• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to an injection mold (1) comprising at least a first mold part (2), at least a second mold part (3) positioned opposite the first mold part (2), the first part (2) or the second mold part (3) being configured to be axially movable with respect to the second part (3) or the first mold part (2) respectively between at least one opening position of the mold of injection (1) and a position of closure of the injection mold (1), at least a first workstation (101) said injection station, and at least a second workstation (102) said installation station insert and / or an ejection station. The invention also relates to an injection process implemented by the injection mold (1) according to the invention.
    公开号:FR3041895A1
    申请号:FR1559394
    申请日:2015-10-02
    公开日:2017-04-07
    发明作者:Philippe Gaudin
    申请人:JP Grosfiley SAS；
    IPC主号:
    专利说明:

    The present invention relates to the field of plastic injection molds and more particularly injection molds for obtaining bi-material parts and / or parts with an insert.
    In the present invention, "insert" is understood to mean a part that is included in another when said other part is obtained by molding, for example. The insert according to the invention may be in the form of a label, a film or a piece for example.
    To install an insert, several solutions exist. A first solution is to achieve the ejection and the installation of the insert when the injection mold is open. This first solution is the least expensive but has the disadvantage of adding the ejection and laying time to the injection time in a cycle.
    A second known solution consists in injecting the finished part or parts and placing the insert or inserts during the ejection. This second solution is most often performed on a vertical injection molding machine because the insert is secured in the mold cavity by the gravity effect. However, the second solution can be adapted for a horizontal press, the holding of the insert then to be secured by magnetization of the insert for example. In the second known solution, the injection mold comprises at least two movable parts rotatably mounted on a vertical axis, one of the moving parts being dedicated to the injection and the other of the moving parts being dedicated to the ejection of the parts. finished and inserting. The second known solution has the disadvantage of having a long cycle time and unprofitable. The invention aims to remedy all or part of the aforementioned drawbacks by boosting the cycle time and reducing it to the maximum. The invention relates to an injection mold comprising at least a first mold part, at least a second mold part positioned facing the first mold part, the first part or the second mold part being configured to be movable axially with respect to the second part or the first mold part respectively between at least one opening position of the injection mold and a position of closure of the injection mold, at least a first workstation called said station; injection, and at least a second workstation said insert placement station, the first mold part comprising: - at least a first mobile charger configured to move at least in rotation at least between the first station and the second station said first magazine being positioned between the first mold part and the second mold part; at least one first mold cavity intended to be positioned at the first mold part; u first station and at least one second mold cavity intended to be positioned at the second station, the second mold part comprising: - at least one second magazine positioned between the first magazine and the second mold part, the second magazine being arranged at least partially opposite the first loader, - at least a first complementary molding cavity intended to be positioned at the first station and configured to cooperate with the first mold cavity of the first mold part intended to be positioned at the first of the first station, so as to define a molding space when the injection mold is in the closed position and the first complementary mold cavity (7) is positioned opposite the first molding cavity (6) of the first mold part (2) positioned at the first station (101), characterized in that when the injection mold is in the closed position, the second station is configured and arranged to be accessible from outside the injection mold while the first station is inaccessible.
    With this configuration, the second station can be used in ejection operations and / or insertion insert for example, requiring the external accessibility to the injection mold simultaneously parallel injection of a room at the level of the first station in closed injection mold. Thus, the cycle time is considerably reduced and optimized since the injection is not disturbed by the opening of the injection mold for access to the ejection or insertion station, which allows to produce multiple parts simultaneously without delaying the production cycle.
    Preferably, the first mold part is fixed.
    Preferably, the second mold part is axially movable relative to the first mold part along a transverse axis of the injection mold.
    According to a characteristic of the invention, the first charger is configured to move at least in rotation and preferably in rotation and in translation.
    According to one characteristic of the invention, the second charger is configured to move at least in rotation and preferably in rotation and in translation.
    According to a characteristic of the invention, the first loader moves in translation towards the second loader and / or the second loader moves in translation towards the first loader.
    According to a feature of the invention, the injection mold comprises a third station called ejection station.
    According to a characteristic of the invention, the second charger is configured to move at least in rotation at least between the first station and the third station. Thus, the second charger is positioned partially opposite the first charger, in this configuration only the first station is common to the first charger and the second charger.
    According to one characteristic of the invention, the third station is configured and arranged to be accessible from the outside of the injection mold when the injection mold is in the closed position, which makes it possible to eject the formed part without opening. injection mold and simultaneously allow the ejection, the injection of another piece and the installation of an insert on the second station.
    According to one characteristic of the invention, the moldings of the first mold part are matrix imprints or core imprints and respectively the complementary molding cavities of the second mold part are core imprints or matrix imprints.
    Preferably, the molding impressions of the first injection mold part are matrix impressions and respectively the complementary molding impressions of the second part are core impressions.
    According to one characteristic of the invention, the injection mold may comprise at least one fourth overmoulding or assembly or cooling station or injection of another material or heating or latching or mirror welding or solder by overmoulded seal or setting of decor or laser marking.
    According to one characteristic of the invention, the fourth station is configured and arranged to be accessible from outside the injection mold when the injection mold is in the closed position and according to the activity associated with the workstation. .
    According to a characteristic of the invention, the second charger is movable between the first station, the third station and the fourth station.
    According to a feature of the invention, the first charger is movable in translation towards the second charger and / or the second charger is movable in translation towards the first charger.
    According to one characteristic of the invention, the injection mold is suitable for use in a horizontal or vertical press.
    According to one characteristic of the invention, the injection mold is rotatable. The invention relates to an injection method using an injection mold according to the invention, for a single piece, comprising the following steps: a. placing an insert in a mold cavity positioned at the second station accessible from the outside of the injection mold when the injection mold is closed, b. injecting a first material on the insert previously placed, the injection being performed in a molding space delimited by a first molding cavity and a first complementary molding cavity paired at the first station, when the injection mold is closed, c. ejection of the injected part with insert at the second station or a third station accessible from outside the injection mold when the injection mold is closed.
    According to one characteristic of the invention, between the steps of inserting and / or injecting and / or ejecting, a step of translation of the first charger or the second charger relative to the second charger or the first charger respectively. is realized.
    According to one characteristic of the invention, the inserting and / or injecting and / or ejecting steps are performed simultaneously when several parts are produced in the injection mold at the same time.
    According to a characteristic of the invention, at least one additional overmolding and / or cooling and / or injection of a second material and / or second inserting step is performed before the ejection step.
    According to one characteristic of the invention, when at least three pieces are being produced, at a time t, the production cycle is performed with the following steps: a. closing the injection mold, b. at the first station, injection of a material intended to form a first part in a molding space delimited by the first molding cavity and the first molding complementary cavity positioned at the first station on an insert previously placed at the level of the first station; second position, c. simultaneously with the injection step, at the second station, placing an insert in the second mold cavity of the first mold part, the insert being intended to be overmolded to form a second part in position of injection, d. simultaneously with the injection step and the inserting step, at the third station, ejection of a third piece previously formed insert insert station and injection station, e. repetition of the previous steps. The invention will be better understood, thanks to the following description, which refers to embodiments according to the present invention, given by way of non-limiting examples and explained with reference to the appended diagrammatic drawings, in which: FIG. 1 is a view from above of the loaders of the injection mold according to the invention in a first configuration; FIG. 2 is a partial sectional view of the injection mold according to the invention according to the first configuration in the closed position of the mold; FIG. 3 is a partial sectional view of the injection mold according to the invention according to the first configuration in the open position of the injection mold, FIG. 4 is a view from above of the loaders of the injection mold. injection according to the invention in a second configuration, Figure 5 is a top view of the injection mold loaders according to the invention according to a third configuration, Figure 6 is a top view of the According to the invention, FIG. 7 is a top view of the injection mold feeders according to the invention in a fifth configuration, FIG. 8 is a top view of the feeders of the injection mold according to the invention. injection mold according to the invention according to a sixth configuration.
    For the description of the injection mold that follows and according to the invention, the injection mold can be used in a horizontal position or in a vertical position.
    With reference to FIGS. 2 and 3, the injection mold 1 according to the invention comprises a first mold part 2, a second mold part 3. The first mold part 2 is positioned facing the second mold part 3 .
    As illustrated in Figures 2 and 3, the first mold part 2 is fixed while the second mold part 3 is axially movable relative to the first mold part 3 along a transverse axis A-A of the injection mold.
    The axial displacement of the second mold part 3 is made at least between an open position illustrated in FIG. 3 and a closed position illustrated in FIG.
    The first mold part 2 comprises a first mobile charger 4 configured to move at least in rotation and preferably in rotation and in translation. The first loader 4 is positioned between the first mold part 2 and the second mold part 3 as shown in FIGS. 2 and 3.
    The first mold part 2 further comprises a first mold cavity 6, preferably a matrix-type molding cavity as illustrated in FIGS. 2 and 3. The first mold part 2 further comprises a second mold cavity 6, preferentially , a die-type molding impression as shown in FIGS. 2 and 3.
    The second mold part 3 further comprises a second movable magazine 5 configured to move at least in rotation and preferably in rotation and in translation.
    The second mold part 3 further comprises a first complementary molding cavity 7, preferably a first mold type molding cavity as illustrated in FIGS. 2 and 3. The first complementary mold cavity 7 is configured to cooperate with the first cavity molding 6 of the first mold part 2 positioned at the first station 101, so as to define a molding space when the injection mold 1 is in the closed position and the first complementary mold cavity 7 is positioned in position. view of the first mold cavity 6 of the first mold part 2 positioned at the first station 101.
    In the example illustrated in FIGS. 2 and 3, the first magazine 4 moves in translation towards the second magazine 5 and / or the second magazine 5 moves in translation towards the first magazine 4.
    In addition, the injection mold 1 further comprises a plurality of work stations 101, 102, 103, 104, 104 ', 104' ', 105. More particularly, the injection mold 1 comprises a first station 101 said injection station, a second station 102 said insert installation station, a third station 103 said ejection station, a fourth station 104, 104 ', 104 "said overmolding station and / or assembly and / or a second station 105 said injection station of a second material .. Of course other positions can be envisaged without departing from the scope of the invention.
    In the figures representing each configuration of the injection mold 1, at each station, a pair of moldings and a pair of complementary moldings are shown. Of course, the number of molding impressions and complementary molding impressions is not limited.
    Whatever the configuration of the injection mold 1 according to the invention, when the injection mold 1 is in the closed position, the second station 102 is configured and arranged to be accessible from outside the injection mold 1 while the first station 101 is inaccessible. Preferably, and as illustrated, the third station 103 is configured and arranged to be accessible from outside the injection mold 1 when the injection mold 1 is in the closed position.
    Whatever the configuration of the injection mold 1, the first charger 4 and the second charger 5 have a portion at the injection station 101 so that the first pair of moldings 6 of the first charger 4 and the first pair of additional moldings 7 of the second magazine 5 are paired in the closed position of the injection mold 1 and facing each other in the opening position of the injection mold 1 .
    Whatever the configuration of the injection mold 1, the second pair of moldings 6 of the first mold part 2 positioned at the second station 102 is accessible from outside the injection mold 1 in the position of closing of the injection mold 1. The second pair of complementary molding impressions 7 of the second mold part 3 positioned at the third station 103 is accessible from outside the injection mold 1 in the closed position of the mold injection 1.
    The first configuration of the injection mold 1 will now be described with reference to FIGS. 1 to 3.
    According to the first configuration, the first charger 4 is rotatable between the first station 101 and the second station 102. The second charger 5 is rotatable between the first station 101 and the third station 103.
    The first mold part 2 comprises a second pair of molding cavities 6 positioned at the second station 102. The second mold part 3 further comprises a second pair of complementary molding cavities 7 arranged at the third station 103. .
    An injection cycle according to the injection method according to the invention is carried out as described below, the method being implemented in an injection mold according to the invention and according to the first configuration and when at each position. only one mold cavity and one complementary mold cavity are present. The production cycle described below concerns the production of a single part. First, an insert 9 is placed in the second mold cavity 6 of the first mold part 2 at the second station 102, the injection mold being closed. Then, the injection mold 1 is opened and the first magazine 4 disengages axially from the second magazine 5 or vice versa so that the first magazine 4 can rotate to bring the insert 9 to the first station 101 in the first imprint molding 6 of the first mold part 2. The injection mold 1 is closed and a first material is injected onto the insert 9 in the space delimited by the first mold cavity 6 and the first complementary molding cavity 7 Then, the injection mold 1 is opened and the second magazine 5 disengages axially from the first magazine 4 or vice versa so that the second magazine 5 can rotate to bring the injected part 10 with insert 9 to the third station 103. for ejection. The advantage of the injection mold according to the invention is that the different stations 101, 102, 103 may be used simultaneously to manufacture several pieces 10.
    Thus, when at least three pieces are being produced, at a time t, the production cycle is as below. The injection mold 1 is closed. At the first station 101, a material intended to form a first part is injected into a molding space delimited by the first mold cavity and the first complementary mold cavity positioned at the first mold cavity. station 101 on an insert previously placed at the second station 102. Simultaneously with the injection step, at the second station 102, an insert is placed in the second mold cavity 6 of the first mold part 2, 1 insert being intended to be overmolded to form a second part at the injection station 101. Simultaneously with the injection step and the inserting step, at the third station 103 a third part is ejected previously in insert insertion station 102 and injection station 101. The steps described above are repeated to produce several parts simultaneously.
    As a variant not shown, for the formation of the same piece the inserting step is performed after the injection step.
    In another variant not shown, several inserting steps can be performed before or after the injection step.
    The second configuration of the injection mold 1 will now be described with reference to FIG. 4.
    The second configuration of the injection mold 1 according to the invention differs from the first configuration in that the injection mold 1 comprises an additional station: a fourth station 104 said overmoulding station and / or assembly and / or cooling.
    According to the second configuration, the first charger 4 is rotatable between the first station 101 and the second station 102. The second charger 5 is rotatable between the first station 101, the fourth station 104 and the third station 103.
    The first mold part 2 comprises a second pair of moldings 6 positioned at the second station 102.
    The second mold part 3 comprises a second pair of complementary molding impressions 7 formed at the third station 103. The second mold part 3 further comprises a third pair of complementary molding impressions 7 arranged at the fourth station. 104.
    In variant not shown, the first loader 4 is rotatable between the first station 101, the second station 102 and the fourth station 104. The second loader 5 is rotatable between the first station 101 and the third station 103. Thus, the first mold part 2 comprises a second pair of moldings 6 positioned at the second station 102 and a third pair of molding cavities 6 provided at the fourth station 104 and the second mold part 3 comprises a second pair of complementary molding impressions 7 arranged at the third station 103.
    An injection cycle according to the injection method according to the invention is carried out as described below, the method being implemented in an injection mold according to the invention and according to the second configuration and when at each station. only one mold cavity and one complementary mold cavity are present. The production cycle described below concerns the production of a single part. First, an insert 9 is placed in the second mold cavity 6 of the first mold part 2 at the second station 102, the injection mold being closed. Then, the injection mold 1 is opened and the first magazine 4 disengages axially from the second magazine 5 or vice versa so that the first magazine 4 can rotate to bring the insert 9 to the first station 101 in the first imprint molding 6 of the first mold part 2. The injection mold 1 is closed and a first material is injected onto the insert 9 in the space delimited by the first mold cavity 6 and the first complementary molding cavity 7 Then, the injection mold 1 is opened and the second magazine 5 disengages axially from the first magazine 4 or vice versa so that the second magazine 5 can rotate to bring the injected part 10 with insert 9 at the fourth station 104. The injection mold 1 is closed and the injected part 10 with insert 9 is overmolded, for example, the injection mold 1 is opened and the second magazine 5 is disengaged axially from the first magazine 4 or vice versa so that the second ch argeur 5 can be rotated to bring the injected and overmolded part 10 with insert 9 at the third station 103 for ejection. The advantage of the injection mold according to the invention is that the different stations 101, 102, 103 may be used simultaneously to manufacture several pieces 10.
    Thus, when at least four pieces are in production, at a time t, the production cycle is as below. The injection mold 1 is closed. At the first station 101, a material intended to form a first part is injected into a molding space delimited by the first mold cavity and the first complementary mold cavity positioned at the first mold cavity. station 101 on an insert previously placed at the second station 102. Simultaneously with the injection step, at the second station 102, an insert is placed in the second mold cavity 6 of the first mold part 2, 1 insert 9 being intended to be overmolded to form a second part at the injection station 101. Simultaneously with the injection and inserting steps at the fourth station 104, a third part injected with insert 9 is overmolded. Simultaneously with the injection, inserting, and overmoulding steps, at the third station 103, a fourth part 10 is ejected prior to the first, second and fourth positions 101, 102, 104.
    The steps described above are repeated in order to produce several pieces simultaneously as a function of the number of molding impressions and complementary molding impressions.
    The third configuration of the injection mold 1 will now be described with reference to FIG.
    The third configuration differs from the first configuration in that the injection mold 1 comprises five stations: a fourth station 104 such as that described in the second configuration and a fifth injection station 105 of a second material, for example.
    According to the third configuration, the first charger 4 is rotatable between the first station 101, the second station 102 and the fifth station 105. The second charger 5 is rotatable between the first station 101, the fourth station 104 and the third item 103.
    The first mold part 2 comprises a second pair of molding cavities 6 positioned at the second station 102. The first mold part 2 further comprises a third pair of molding cavities 6 positioned at the fifth station 105.
    The second mold part 3 comprises a second pair of complementary molding impressions 7 formed at the third station 103. The second mold part 3 further comprises a third pair of complementary molding impressions 7 arranged at the fourth station. 104.
    The injection method implemented by an injection mold according to the third configuration is substantially identical to the injection method implemented by an injection mold 1 according to the second configuration except for an additional step of injection of a second material produced after the insertion of the insert 9. Thus, the injection method implemented by an injection mold according to the third configuration can be deduced without ambiguity from the injection process implemented. by an injection mold according to the second configuration described above, whether for a single piece or for a plurality of pieces.
    In variant not shown of the third configuration, the fourth 104 and fifth 105 positions are reversed. That is to say that the first magazine 4 is rotatable between the first station 101, the second station 102 and the fourth station 104, the second magazine 5 is rotatable between the first station 101, the fifth station 105 and the third station 103. Thus, the first mold part 2 comprises a second pair of molding cavities 6 positioned at the second station 102 and a third pair of molding cavities 6 positioned at the fourth station 104. second mold part 3 comprises a second pair of complementary molding impressions 7 arranged at the third station 103 and a third pair of additional molding impressions 7 arranged at the fifth station 105.
    The fourth configuration of the injection mold 1 will now be described with reference to FIG.
    The fourth configuration differs from the first configuration in that the injection mold 1 comprises six stations: a fourth station 104 such as that described in the second configuration, a fifth injection station 105 such as that described in the third configuration and a sixth station 104 'corresponding to another overmoulding station and / or cooling and / or assembly such as the fourth station 104.
    According to the fourth configuration, the first charger 4 is rotatable between the first station 101, the second station 102 and the fifth station 105. The second charger 5 is rotatable between the first station 101, the fourth station 104, the sixth 104 and 103.
    The first mold part 2 comprises a second pair of molding cavities 6 positioned at the second station 102. The first mold part 2 further comprises a third pair of molding cavities 6 positioned at the fifth station 105.
    The second mold part 3 comprises a second pair of complementary molding impressions 7 formed at the third station 103. The second mold part 3 further comprises a third pair of complementary molding impressions 7 arranged at the fourth station. 104. The second mold part 3 further comprises a fourth pair of additional molding impressions 7 formed at the sixth station 104 '.
    The injection method implemented by an injection mold according to the fourth configuration is substantially identical to the injection method implemented by an injection mold 1 according to the third configuration except for an additional step of overmoulding and / or cooling and / or assembly performed after the first overmolding and / or cooling and / or assembly step at the fourth station 104. Thus, the injection process implemented by a mold In the fourth embodiment, the injection method according to the third configuration described above can be deduced unambiguously from the injection method according to the third configuration described above, whether for a single piece or for a plurality of pieces.
    In variant not shown of the fourth configuration, the fourth 104 and fifth 105 positions are reversed. That is to say that the first magazine 4 is rotatable between the first station 101, the second station 102 and the fourth station 104, the second magazine 5 is rotatable between the first station 101, the fifth station 105 and the third station 103. Thus, the first mold part 2 comprises a second pair of molding cavities 6 positioned at the second station 102 and a third pair of molding cavities 6 positioned at the fourth station 104. second mold part 3 comprises a second pair of complementary molding impressions 7 formed at the third station 103, a third pair of complementary molding impressions 7 arranged at the fifth station 105 and a fourth pair of complementary impressions of FIG. molding 7 arranged at the sixth station 104 '.
    In another variant not shown, the first loader 4 is rotatable between the first station 101, the second station 102, the fifth station 105 and the sixth station 104 ', the second loader 5 is rotatable between the first station 101 the fourth station 104 and the third station 103, the step provided at the sixth station 104 'being performed before the step provided at the fifth station 105 or before the step provided at the first station 101.
    In another variant not shown, one can combine the two previously described variants.
    The fifth configuration of the injection mold 1 will now be described with reference to FIG. 7.
    The fifth configuration differs from the first configuration in that the injection mold 1 comprises five stations: a fourth station 104 such as that described in the second configuration and a fifth injection station 105 such as that described in the third configuration.
    According to the fifth configuration, the first charger 4 is rotatable between the first station 101, the second station 102, the fourth station 104 and the fifth station 105. The second charger 5 is rotatable between the first station 101 and the third item 103.
    The first mold part 2 comprises a second pair of molding cavities 6 positioned at the second station 102. The first mold part 2 further comprises a third pair of molding cavities 6 positioned at the fourth station 104 and a fourth pair of molding impressions 6 positioned at the fifth station 105.
    The second mold part 3 comprises a second pair of additional molding impressions 7 arranged at the third station 103.
    The injection method implemented by an injection mold according to the fifth configuration is substantially identical to the injection method implemented by an injection mold 1 according to the first configuration with the exception of two additional steps carried out before the injection step at the first station 101. Thus, the injection method implemented by an injection mold according to the fifth configuration can be deduced without ambiguity from the injection process implemented by a mold of injection according to the first configuration described above, whether for a single room or for a plurality of rooms.
    In variant not shown, the first loader 4 is rotatable between the first station 101 and the second station 102 and the second loader 5 is rotatable between the first station 101, the fourth station 104, the fifth station 105 and the third item 103. Thus, the steps provided for in the fourth and fifth items 104, 105 are performed after the step provided at the first item 101.
    The sixth configuration of the injection mold 1 will now be described with reference to FIG. 8.
    The sixth configuration differs from the first configuration in that the injection mold 1 comprises seven stations: a fourth station 104 such as that described in the second configuration, a fifth injection station 105 such as that described in the third configuration, a sixth station 104 'as described in the fourth configuration and a seventh station 104' corresponding to another overmoulding station and / or cooling and / or assembly such as the fourth station 104 and the sixth station 104 '.
    According to the sixth configuration, the first charger 4 is rotatable between the first station 101, the second station 102, the fifth station 105 and the sixth station 104 '. The second magazine 5 is rotatable between the first station 101, the fourth station 104, the seventh station 104 "and the third station 103.
    The first mold part 2 comprises a second pair of molding cavities 6 positioned at the second station 102. The first mold part 2 further comprises a third pair of molding cavities 6 positioned at the fifth station 105 and a fourth pair of moldings 6 positioned at the sixth station 104 '.
    The second mold part 3 comprises a second pair of complementary molding impressions 7 formed at the third station 103. The second mold part 3 further comprises a third pair of complementary molding impressions 7 arranged at the fourth station. 104. The second mold part 3 comprises a fourth pair of additional molding impressions 7 formed at the seventh station 104 ".
    The injection method implemented by an injection mold according to the sixth configuration is substantially identical to the injection method implemented by an injection mold 1 according to the fifth configuration with the exception of two additional steps performed after the injection step at the first station 101. Thus, the injection method implemented by an injection mold according to the sixth configuration can be deduced unambiguously from the injection process implemented by a mold of injection according to the fifth configuration described above, whether for a single room or for a plurality of rooms.
    In variant not shown, the fourth 104 and fifth 105 positions are reversed. Thus, the first charger 4 is rotatable between the first station 101, the second station 102, the fourth station 104 and the sixth station 104 '. The second magazine 5 is rotatable between the first station 101, the fifth station 105, the seventh station 104 "and the third station 103. Other variants can be made by optionally changing the fourth station 104, the fifth station 105 , the sixth post 104 'and seventh station 104 "without departing from the scope of the invention.
    Of course, the invention is not limited to the configurations and embodiments described and shown in the accompanying figures. Modifications are possible, particularly from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.
    权利要求:
    Claims (13)
    [1" id="c-fr-0001]
    1. Injection mold (1) comprising at least a first mold part (2), at least a second mold part (3) positioned facing the first mold part (2), the first part (2) or the second mold part (3) being configured to be axially movable with respect to the second part (3) or the first mold part (2) respectively between at least one opening position of the injection mold (1) and a position of closure of the injection mold (1), at least a first workstation (101) said injection station, and at least a second workstation (102) said insert placement station, the first mold part (2) comprising: - at least a first mobile charger (4) configured to move at least in rotation at least between the first station (101) and the second station (102), said first charger (4) being positioned between the first mold part (2) and the second mold part (3), - at least a first mold molding insert (6) to be positioned at the first station (101) and at least one second mold cavity (6) to be positioned at the second station (102), the second mold part (3) comprising: - at least a second charger (5) positioned between the first charger (4) and the second mold part (3), the second charger (5) being arranged at least partially opposite the first charger (4), - at least a first complementary mold cavity (7) to be positioned at the first station (101) and configured to cooperate with the first mold cavity (6) of the first mold part (2) to be positioned at the level of the first station (101), so as to delimit a molding space when the injection mold (1) is in the closed position and the first complementary molding cavity (7) is positioned opposite the first impression of moulag e (6) of the first mold part (2) positioned at the first station (101), characterized in that when the injection mold (1) is in the closed position, the second station (102) ) is configured and arranged to be accessible from outside the injection mold (1) while the first station (101) is inaccessible.
    [2" id="c-fr-0002]
    2. Injection mold according to claim 1, comprising a third station (103) said ejection station.
    [3" id="c-fr-0003]
    Injection mold according to claim 2, wherein the second magazine (5) is configured to move at least in rotation at least between the first station (101) and the third station (103).
    [4" id="c-fr-0004]
    Injection mold according to any one of claims 2 or 3, wherein the third station (103) is configured and arranged to be accessible from outside the injection mold (1) when said injection mold (1) is in the closed position.
    [5" id="c-fr-0005]
    Injection mold according to any one of claims 1 to 4, in which the mold cavities (6) of the first mold part are die impressions or core cavities and respectively the complementary molding cavities (7). of the second mold part (3) are core imprints or matrix imprints.
    [6" id="c-fr-0006]
    6. Injection mold according to any one of claims 1 to 5, comprising at least a fourth workstation (104) overmoulding or assembly or cooling or injection of another material or heating or snap-fitting or mirror-soldering or over-molded seal welding or setting of decoration or laser marking.
    [7" id="c-fr-0007]
    An injection mold according to claim 6, wherein the fourth station (104) is configured and arranged to be accessible from outside the injection mold (1) when the injection mold (1) is in position closure.
    [8" id="c-fr-0008]
    8. Injection mold according to any one of claims 6 or 7, wherein the second loader (5) is movable between the first station (101), the third station (103) and the fourth station (104).
    [9" id="c-fr-0009]
    9. Injection mold according to any one of claims 1 to 8, wherein the first loader (4) is movable in translation towards the second loader (5) and / or the second loader (5) is movable in translation in the direction of the first loader (4).
    [10" id="c-fr-0010]
    10. Injection method using an injection mold (1) according to any one of claims 1 to 9, for a single piece, comprising the following steps: a. Placing an insert (9) in a second mold cavity (6) positioned at the second station (102) accessible from outside the mold when the injection mold (1) is closed, b. injection of a first material on the previously placed insert (9), the injection being carried out in a molding space delimited by a first mold cavity (6) and a first complementary molding cavity (7) paired at the first station (101), when the injection mold (1) is closed, c. ejection of the injected part (10) with insert (9) at the second station (102) or a third station (103) accessible from outside the injection mold (1) when the injection mold ( 1) is closed.
    [11" id="c-fr-0011]
    11. Injection method according to claim 10, wherein between the inserting steps and / or injection and / or ejection, a step of translation of the first loader (4) or the second loader (5). ) relative to the second loader (5) or the first loader (4) respectively.
    [12" id="c-fr-0012]
    12. Injection method according to any one of claims 10 or 11, wherein the inserting steps and / or injection and / or ejection are performed simultaneously when several pieces (10) are made in the injection mold (1) at the same time.
    [13" id="c-fr-0013]
    13. Injection method according to any one of claims 10 to 12, wherein at least one additional step overmolding and / or cooling and / or injection of a second material and / or second pose of insert (9) is performed before the ejection step.
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    同族专利:
    公开号 | 公开日
    FR3041895B1|2017-10-20|
    US20170095954A1|2017-04-06|
    ES2676521T3|2018-07-20|
    EP3150350B1|2018-04-11|
    PT3150350T|2018-07-16|
    US10300642B2|2019-05-28|
    EP3150350A1|2017-04-05|
    引用文献:
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    EP0742090A1|1995-05-10|1996-11-13|G.B. Boucherie, N.V.|Method and device for manufacturing brush bodies|
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    US20060249876A1|2003-07-28|2006-11-09|Toyoda Boshoku Corporation|Manufacturing device and manufacturing method for synthetic resin hollow molded body|
    DE3620175C2|1986-06-14|1989-05-03|Kloeckner Ferromatik Desma Gmbh, 7831 Malterdingen, De|
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    FR2938788B1|2008-11-27|2010-12-31|Jp Grosfilley|METHOD AND DEVICE FOR MOLDING PARTS BY INJECTION WITH INTEGRATED ASSEMBLY.|
    JP5300513B2|2009-02-04|2013-09-25|株式会社ミツバ|Injection molded body manufacturing method and injection molded body manufacturing apparatus|DE102017125709A1|2017-11-03|2019-05-09|Pi-Design Ag|Injection mold and method for producing a double-walled drinking vessel, wherein the double-walled drinking vessel has an outer container and an inner container|
    FR3075087A1|2017-12-18|2019-06-21|Symbiose|TOOLING FOR MOLD OF OVERMOLDING|
    CN110450360B|2019-08-27|2021-07-09|浙江日成模具有限公司|Injection mold|
    CN111216309A|2019-11-20|2020-06-02|苏州立创精密模具科技有限公司|Double-injection film pasting injection molding process|
    CN111761789A|2020-06-30|2020-10-13|江阴久盛科技有限公司|Novel injection mold and using method thereof|
    法律状态:
    2017-01-19| PLFP| Fee payment|Year of fee payment: 2 |
    2017-04-07| PLSC| Search report ready|Effective date: 20170407 |
    2017-09-07| PLFP| Fee payment|Year of fee payment: 3 |
    2018-09-07| PLFP| Fee payment|Year of fee payment: 4 |
    2020-10-16| ST| Notification of lapse|Effective date: 20200910 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1559394A|FR3041895B1|2015-10-02|2015-10-02|INJECTION MOLD AND INJECTION METHOD THEREOF|FR1559394A| FR3041895B1|2015-10-02|2015-10-02|INJECTION MOLD AND INJECTION METHOD THEREOF|
    PT161916846T| PT3150350T|2015-10-02|2016-09-30|Injection mould and associated injection method|
    ES16191684.6T| ES2676521T3|2015-10-02|2016-09-30|Injection mold and associated injection procedure|
    EP16191684.6A| EP3150350B1|2015-10-02|2016-09-30|Injection mould and associated injection method|
    US15/283,691| US10300642B2|2015-10-02|2016-10-03|Injection mold and associated injection method|
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