• 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:
    Device for the treatment of pants by laser, comprising a generator set (7) of a laser beam, a head (1) and a turning means (25) able to rotate the head (1) along a vertical axis ( 21), wherein the head (1) comprises an input (11) defining an input axis and which is capable of receiving the beam, an output (13) defining an output shaft (15) and internal mirrors. The device allows the treatment of trousers arranged in a plurality of trousers (3) without the need to rotate or move the generating equipment (7). (Machine-translation by Google Translate, not legally binding)
    公开号:ES2649745A1
    申请号:ES201630966
    申请日:2016-07-14
    公开日:2018-01-15
    发明作者:Albert SANS PERARNAU；Ivan VILARO VILA
    申请人:Jeanologia SL；
    IPC主号:
    专利说明:

    DEVICE FOR TREATMENT OF LASER PANTS
    DESCRIPTION
    Field of the invention 5

    The invention relates to a device for treating pants by laser, which comprises a laser beam generating equipment and a head.

     10 State of the art

    Devices for treating tissues and, in particular, pants, by laser are known. These devices comprise one or more equipment generating a laser beam (usually two) each of which directs a laser beam to a head that has internal mirrors inside which allow the beam to be directed to the desired area.

    Also known are devices that have two generating sets, each of them sending a laser beam to a head. The two heads are at the same height, horizontally about 400 mm apart. During the treatment of a pant, both heads orient the respective laser beams on the same pants, so that the treatment of the pants is performed by both beams simultaneously.
     25
    However, within the production process, the time of change of a trousers already treated by the next trousers to be treated is relatively high. In order to increase the productivity of the device, it is of interest that the device can treat pants arranged in more than one pant (that is, a specific mannequin for wearing pants). In this way, while the treatment of the trousers arranged in one trouser is performed, an operator has time to change the trousers already treated in another trouser for a trousers to be treated, thus obtaining an increase in productivity of the device.

    However, the internal mirrors have an orientation capacity that is not enough to point from one pantonera to another adjacent, taking into account the usual dimensions of these facilities (distances between the head and the pants between 1 and 2 m, distances between a pant and the adjacent 5 of approximately 1 m, etc.).

    To solve this problem, devices have been developed in which the pants are arranged in a row, approximately 1 m apart, and laser beam generating equipment moves linearly so that, in each case, they face the pants with the pants that must be treated. There are other devices in which the generating equipment has the possibility of rotating on its own vertical axis, so that it can point to a plurality of pants arranged around it.
     fifteen
    However, both solutions present problems, so it is still necessary to find an optimal solution that allows a device to treat pants arranged in a plurality of pants.

      twenty Exhibition of the invention

    The subject of the invention is a device for treating trousers by laser, which comprises a laser beam generating equipment and a head, characterized in that it comprises rotating means suitable for rotating said head along a vertical axis, where The head comprises an input that defines an input shaft and is suitable for receiving said beam, an output that defines an output shaft and internal mirrors. Indeed, in this way the device can process the pants arranged in a plurality of pants arranged around the device only by rotating the head around its vertical axis and not all the laser beam generation equipment. This allows the rotation to be carried out at a much higher speed, with greater precision and at a much lower cost since the mass to be rotated is much smaller. The operator can change the tried pants of
    a trouser while the device treats the pants placed on another trouser and the dead time (the time it takes for the device to redirect the platform from one trouser to another) is minimal. Preferably the pants are arranged following a semicircle whose center is on the vertical axis.
     5
    Preferably the device comprises a first equipment generating a first laser beam and a second equipment generating a second laser beam, each with its corresponding head, and rotating means suitable for rotating each of the heads according to its vertical axis, where each of the heads comprises an input that defines an input axis and that is suitable for receiving the corresponding beam 10, an output that defines an output axis and internal mirrors. In this way you can combine the advantage of having two beams that simultaneously treat the same pants and, in addition, have a device that is capable of processing pants arranged in two different pants in a fast, accurate and economical way. fifteen

    Another advantageous alternative is that the device with a first equipment generating a first laser beam and a second equipment generating a second laser beam comprises a platform with two heads, where the platform comprises turning means suitable for rotating the platform together with the heads according to a vertical axis, where each head comprises an input that defines an input axis and that is suitable for receiving one of the beams, an output that defines an output axis and internal mirrors. In this alternative solution, turning the platform is able to reorient the heads so that they can process pants arranged in a plurality of pants arranged around the device. The fact that both heads rotate together (along with the entire platform) with respect to a common vertical axis allows the distance between each of the heads and each of the pants to be fixed, while in the devices of the previous alternative, in which each head rotates on itself, the distance between each of the heads and each of the pants is variable, which must be taken into account in the case of processing by laser beams, where variations in distance between the head and the surface to be processed they have an important influence on the effectiveness of the incident laser beam on the pants.

    Usually the laser beam of each of the heads is responsible for treating a part of the pants. In this way, when working both beams in parallel they practically divide in half the necessary treatment time in the case of having a single laser beam to process the pants. However, it is advantageous for the work areas to partially overlap, since this allows an optimized distribution of the work cycle between both heads. It is also advantageous that the work area of both heads completely overlaps. In this way, although under normal working conditions each head effectively uses only part of its work area, however, in case of failure of one of the laser generating equipment, the other head can process it. only all the pants, which allows to avoid a total stoppage of the machine until the problem of the damaged laser generating equipment has been solved. In this sense, preferably the two output shafts are parallel to each other. However, another advantageous solution is that the two output shafts are convergent to each other. In the latter case, it is particularly advantageous for the two output shafts to be cut at a distance equal to the focal length.

    Advantageously, the device comprises two input mirrors capable of reflecting each of them an incident laser beam, each of said incident beams 20 of one of said generating equipment, towards a vertical direction coinciding with said vertical axis, where preferably said beam incident is horizontal. Indeed, since the laser generating equipment does not move or rotate and the heads rotate around a common vertical axis, an advantageous way of getting the laser beams to the heads is through the axis of vertical rotation. 25 With two generator sets and two heads, one of the beams can enter from above and the other from below. Generating equipment can be arranged in various ways in space. In an extreme case, they can be arranged directly on the vertical axis, one above and one below the platform, so that their beams already propagate directly along the vertical axis. In this extreme case, it would not be necessary to have the input mirrors, since the beam directly from the generating equipment already propagates along the vertical axis. However, this arrangement of generating equipment is usually impractical, being
    it is preferred that both generating equipment be arranged in such a way that both beams are horizontal (although they could also form a certain non-zero angle with respect to the horizontal). On the other hand, even being both horizontal beams, they can be parallel or form a certain angle to each other. In any of these possible relative positions, a mirror, called a 5-entry mirror, can be placed on the vertical axis of the platform (and another under the vertical axis of the platform) and oriented so that the incident beam, coming from a generating equipment, be reflected so that it is directed towards the platform along the vertical axis. These two entrance mirrors are fixed, that is, they do not rotate in solidarity with the platform. In this way, even if the platform rotates, the incident beam always reaches the same point on the platform, which facilitates its subsequent redirection.

    An advantageous way of carrying out said redirection is by means of a plurality of external mirrors capable of rotating in solidarity with the platform and capable of directing the first beam, which approaches the platform vertically and 15 above the vertical axis, towards the entrance of one of the heads and the second beam approaching the platform vertically and below the vertical axis at the entrance of the other head.

    The usual market heads have an input for the incident laser beam 20, which defines an input axis, and an output for the reflected laser beam, which defines an output axis. Although the laser beam can exit in various directions, depending on the positions taken by the internal mirrors, these directions form a cone whose axis is what has been considered as the output axis. Usually the input axis and the output axis form an angle of 90º, 25 but they do not intersect, but intersect in space, so that between them there is a distance D. As will be seen below, in the description of Preferred embodiments, this fact has various implications and allows various platform designs that affect, for example, the relative position between the output axes of both heads. Preferably the difference in heights between both 30 output axes is as small as possible. Thus, advantageously, the height, measured vertically, between both output shafts is between 0 and 250 mm, and preferably is between 0 and 50 mm, being particularly
    advantageous that both output shafts are at the same height, measured vertically.

    Preferably the device comprises only two external mirrors, each of them capable of receiving a vertical incident beam and reflecting it horizontally towards the entrance of one of said heads, where said mirrors are arranged one above the other in a vertical direction. As will be seen later, this solution allows savings in mirrors and, simultaneously, an optimal positioning of the output shafts.

    Advantageously, the turning means comprise a hollow turning axis that is traversed 10 by one of said beams.

    Preferably the platform is height adjustable along said vertical axis. Indeed, it is important that the platform is centered, in the vertical direction, with respect to the pants to be treated. In this sense, it can be advantageous that it has the possibility of being regulated in height.

    Advantageously, the device comprises means for transporting pants that are suitable for moving a pant from a processing station to a loading and / or unloading station and vice versa. In this way, the operator responsible for removing the treated pants and putting pants to be treated on the pants in a fixed position can be located, so that he does not have to move to a plurality of pants to perform this operation.

     25 Brief description of the drawings

    Other advantages and features of the invention can be seen from the following description, in which, without any limitation, preferred embodiments of the invention are mentioned, mentioning the accompanying drawings. The figures show:

    Fig. 1, a plan view of a device for treating pants by laser according to the invention.

    Figs. 2, 3 and 4, views in front elevation, side elevation and perspective, respectively, of the arrangement of the head and the mirror in the device of Fig. 1. 5

    Fig. 5, a plan view of the heads of another device according to the invention.

    Fig. 6, a plan view of the heads of a third device according to the invention.

    Fig. 7, a plan view of a device for treating pants by laser according to the invention, with a plurality of processing stations.
     fifteen
    Figs. 8, 9 and 10, views in front elevation, side elevation and perspective, respectively, of the arrangement of the heads and mirrors in a first embodiment of a platform according to the invention.

    Fig. 11, a diagram of the areas covered by each of the laser beams in the first embodiment of a platform according to the invention.

    Figs. 12, 13 and 14, views in front elevation, side elevation and perspective, respectively, of the arrangement of the heads and mirrors in a second embodiment of a platform according to the invention. 25

    Fig. 15, a diagram of the areas covered by each of the laser beams in the second, third and fourth embodiments of a platform according to the invention.
     30
    Figs. 16, 17 and 18, views in front elevation, side elevation and perspective, respectively, of the arrangement of the heads and mirrors in a third embodiment of a platform according to the invention.

    Figs. 19, 20 and 21, views in front elevation, side elevation and perspective, respectively, of the arrangement of the heads and mirrors in a fourth embodiment of a platform according to the invention.
     5
    Figs. 22, 23, 24 and 25, views in front elevation, side elevation, plan and perspective, respectively, of the arrangement of the heads and mirrors in a fifth embodiment of a platform according to the invention.

    Fig. 26, a view equivalent to Fig. 25, in which the paths of both laser beams have been indicated.

    Fig. 27, a front perspective view of the platform of Figs. 19 to 21.

    Fig. 28, a plan view of a device with means of transporting 15 pants.

    Detailed description of embodiments of the invention
     twenty
    A device according to the invention is shown in Fig. 1. It comprises a device for generating a laser beam 7 and a head 1. The head 1 can rotate on itself along a vertical axis, such that it can treat pants arranged on a plurality of pants 3 arranged in the corresponding work stations . As previously mentioned, in this way the device can process the pants arranged in a plurality of pants 7 arranged around the device only by rotating the head 1 around its vertical axis and not all the generation equipment 7. In this way Preferred embodiment the pants 3 are arranged following a semicircle whose center is on the vertical axis of rotation of the head 1. 30

    In Figs. 2 to 4 the arrangement of head 1 is shown. Head 1 has an input 11 and an output 13 of the laser beam. It also has mirrors
    internal (not shown in Figs.) orientable that allow to direct the beam to the desired area, within relatively narrow ranges, so that its orientation capacity is not sufficient to treat pants arranged in adjacent pants 3. The head 1 is oriented in such a way that its entry 11 coincides with the vertical axis of rotation of the head 1. In this way, the position of the input 11 remains unchanged when the head 1 rotates along its vertical axis of rotation. Above the head 1 there is an input mirror 9. This input mirror 9 is fixed, that is, it does not rotate in solidarity with the head 1 but maintains a fixed position with respect to the laser beam generation equipment 7. In this way, With proper orientation, the input mirror 9 can reflect the laser beam from the generation equipment 7 in a vertical direction, towards the input 11.

    In Fig. 5 there is shown, schematically and partially, another device for treating pants by laser according to the invention. The device has two laser beam generating equipment (not shown in Fig. 5), each of which sends a laser beam to a head 1. Each of the heads 1 can rotate on itself, of so that it can treat pants arranged on a plurality of pants 3. Each of the heads could be as shown in Figs. 2 to 4. In this way, each pant can be processed simultaneously with two laser beams. twenty

    The device of Fig. 5, even representing an improvement over the state of the art and even having some advantages over the device of Fig. 1, has a drawback. Indeed, when treating a pants arranged in the central pants 3, both laser beams travel the same distance d until reaching the 25 pants 3, but if the heads 1 are rotated to point to a pants 3 of the sides, the distance that travels a beam, d1, is different from the distance traveled by the other beam, d2, as shown, by way of example, in the pants 3 on the right of Fig. 5. Instead, in the pants 3 on the left of Fig. 5 the distance d has been strictly represented. As can be seen in this case, for one of the heads 1 the distance d is less than the distance necessary to reach the pant 3 while for the other of the heads the distance d is greater than that necessary to reach the pants 3. In a usual configuration, the
    heads 1 are about 400 mm apart, and the distance d is about 1,600 mm. The angle of rotation to move from aiming at the central pants 3 to one of the lateral pants 3 is about 30 °. This causes the difference between d1 and d2 to be about 200 mm. This difference between d1 and d2 is significant and causes the desired effect on the pants to be different for each of the beams. 5

    One of the possible solutions to this drawback is shown in the device alternative shown in Fig. 6. In this alternative, both heads 1 are on a platform 5 and it is the platform 5 assembly that rotates with respect to a vertical axis and not each of the heads 1 with respect to its own vertical axis. In this way, in all cases the distance between the heads 1 and the pants 3 is the same, d. This represents an advantage over the device of Fig. 5, together with other advantages, for example, the need to include a single rotation mechanism. On the other hand, the fact of having to move (by means of rotation) only the platform 5 with the heads 1 is also an advantage over other systems 15 of the state of the art in which the entire device moves linearly to position it in front of a plurality of pants, also arranged linearly.

    An example of installation performed with the device of Fig. 6 is shown in Fig. 7. The installation includes two laser beam generation equipment 7, arranged 20 one on top of the other and parallel to each other, which emit two beams of light directed to the vertical axis with respect to which platform 5 rotates. Around platform 5 (specifically around the vertical axis of rotation of platform 5) a plurality of pants 3 can be arranged in a plurality of processing stations. In order for the laser beams to point to one of the 3 pants or another, 25 is enough to rotate the platform 5 the corresponding degrees. In all cases, the distance between the heads and the selected pant 3 will be the same. Installations made with the devices of Fig. 1 or Fig. 5 would have substantially the same appearance, with the differences corresponding to each case: in the case of the device of Fig. 1 there would be only one generation device 7 and no 30 platform (it would be the head itself that would rotate on its vertical axis), while in the case of the device of Fig. 5 yes there would be two generation equipment 7 and
    two heads, but there would be no platform but each of the heads would rotate on its own vertical axis.

    In Figs. 8-10, the arrangement of the heads 1 and the mirrors is shown in a first embodiment of the platform 5. To simplify the views, both the platform and all the anchor points of the The mirrors. In this first embodiment, the laser beam from the generating equipment (which is arranged horizontally and parallel to each other) is reflected in an input mirror 9. The input mirror 9 is fixed, that is, it does not rotate in solidarity with the platform, so that it always reflects the incident laser beam in a vertical direction, 10 coinciding with the vertical axis 21 of rotation, and towards an input 11 of each of the heads 1. In this embodiment the outputs 13 of both Heads 1 are parallel, but are not at the same height (or on the same vertical).

    As previously mentioned, the usual heads 1 in the market 15 have an inlet 11 and an outlet 13 whose axes form an angle of 90 ° to each other but that are not cut, but are separated a distance from, which imposes some design conditions that must be taken into account. In the specific case of this first embodiment, the area covered by each of the beams partially overlaps in the manner indicated in Fig. 11, that is, there is a displacement both horizontally and vertically. While this solution may be good enough for some applications, it is better that both areas are displaced from each other horizontally but not vertically. Indeed, the area to be treated (the pants) is normally inscribed within a rectangle whose height is greater than the base. Therefore, the fact that there are areas on the sides that cannot be covered by both laser beams is not usually important since they are areas that are not used in practice anyway. Instead, the height of the rectangle is a determining dimension that will affect the distance d. To solve this problem, other embodiments described below have been developed. 30

    In Figs. 12 to 14 the arrangement of the heads 1 and the mirrors in a second embodiment of the platform 5 of the invention is schematically shown. To the
    As in the previous case, input mirrors 9 reflect horizontal laser beams so that they propagate vertically. However, in this embodiment the two heads 1 are arranged so that their output shafts 15 are parallel and, in addition, are at the same height. To bring the beams reflected by the input mirrors 9 to the entries 11 of the heads 1, there are 7 external mirrors 5 19. These external mirrors 19 are integral with the platform, that is, they rotate together with the platform and the heads 1 With this configuration, the areas covered by each beam are those shown in Fig. 15.

    In the embodiment of Figs. 16-18 the orientation of the 10 heads 1 has been modified. While in the second embodiment both heads 1 have their entry 11 facing the same side (downwards in Figs. 12-14), in this third way As an embodiment, a head 1 180 ° has been rotated about its output axis, so that one input 11 is facing up while the other input 11 is facing down. The function of the input mirrors 9 and the 15 external mirrors 19 is the same as in the previous case, but only 4 external mirrors are necessary 19. The areas covered by each laser beam in this third embodiment are also shown in Fig. 15.

    In a fourth embodiment of platform 5, shown in Figs. 19-21, an additional optimization has been introduced, so that only two input mirrors 9 and two external mirrors are necessary 19. For this purpose the heads 1 have been reoriented so that their inputs 11 are oriented towards the vertical axis 21 Since the output shafts are parallel and at the same height, the two inputs 11 are separated from each other a distance equal to 2 * des. This distance, although small, is sufficient to accommodate the two external mirrors 19, properly modified. In this way, a device that covers areas such as those in Fig. 15 with a minimum of mirrors can be obtained.

    Finally, in the embodiment of Figs. 22-26, a variant of 30 is shown the fourth previous embodiment, in which the output shafts 15 are not parallel, but converge at one point. In this case, the areas covered by each laser beam fully match.

    Fig. 27 shows a platform 5 corresponding to the fourth embodiment. On the platform 5 the two heads 1 and the two external mirrors 19 are mounted. The platform 5 is connected to a frame (not shown) with the possibility of rotation. Rotation means 25 (partially shown) have a rotation axis 27 which is hollow, so that the laser beams coming from the input mirrors 9 can propagate inside until access to the external mirrors 19.

    In Fig. 28 a device is shown in which the pants 3 are not fixed, but are integrated in means of transport (or carousel) of pants 10 3. The carousel includes processing stations 29 and a station of loading and / or unloading 31. In this way, the operator can be located at the loading and / or unloading station 31, without having to travel from one station to another. Once a pair of pants to be treated is placed on the pants 3, the pants are moved from the loading and / or unloading station 31 to one of the processing stations 29. In the processing station 29 the pants are treated by means of the bundles of laser coming from the platform 5. In the processing station 29 the pants 3 can be turned around, so that the pants can be treated both by its front and its rear (if necessary). The trouser surface treated with a thick line 20 on the pant 3 has been shown schematically.

    权利要求:
    Claims (1)
    [1]

    1 - Device for the treatment of pants by laser, which comprises a generator set (7) of a laser beam and a head (1), characterized in that it comprises rotating means (25) suitable for rotating said head (1). ) along a vertical axis 5 (21), wherein said head (1) comprises an input (11) that defines an input axis and that is suitable for receiving said beam, an output (13) defining an output axis (15 ) and some internal mirrors.
    2 - Device according to claim 1, characterized in that it comprises a first generator set (7) of a first laser beam and a second generator set (7) of a second laser beam, each with its head (1 ) corresponding, and turning means (25) capable of rotating each of said heads (1) along its vertical axis (21), where each of said heads (1) comprises an inlet (11) defining an axis input and is suitable for receiving its corresponding beam 15, an output (13) that defines an output shaft (15) and internal mirrors.
    3 - Device according to claim 1, characterized in that it comprises a first generating set (7) of a first laser beam and a second generating set (7) of a second laser beam, and a platform (5) with two heads (1), wherein said platform (5) comprises turning means (25) capable of rotating said platform (5) together with said heads (1) along a vertical axis (21), where each head (1) comprises a input (11) that defines an input axis and that is suitable for receiving one of said beams, an output (13) that defines an output axis (15) and 25 internal mirrors.
    4 - Device according to one of claims 2 or 3, characterized in that the two output shafts (15) are parallel to each other.
     30
    5 - Device according to one of claims 2 or 3, characterized in that the two output shafts (15) are convergent to each other.
    6 - Device according to claim 5, characterized in that the two output shafts (15) are cut at a distance equal to the focal length.
    7 - Device according to any of claims 2 to 6, characterized in that it comprises two input mirrors (9) capable of each reflecting an incident laser beam, each of said incident beams coming from one of said generating equipment , towards a vertical direction coinciding with said vertical axis (21), where preferably said incident beam is horizontal.
    8 - Device according to any of claims 3 to 7, characterized in that 10 comprises a plurality of external mirrors (19) capable of rotating in solidarity with said platform (5) and capable of directing said first beam, which approaches towards said platform ( 5) vertically and above along said vertical axis (21), towards the entrance (11) of one of said heads (1) and said second beam approaching said platform (5) vertically and below according to said vertical axis ( 21) to the 15 inlet (11) of the other head (1).
    9 - Device according to any of claims 3 to 8, characterized in that the height, measured vertically, between both output shafts (15) is between 0 and 250 mm, and preferably is between 0 and 50 mm. twenty
    10 - Device according to any of claims 3 to 9, characterized in that both output shafts (15) are at the same height, measured vertically.
    11 - Device according to any of claims 8 to 10, characterized in that it comprises only two external mirrors (19), each of them capable of receiving a vertical incident beam and reflecting it horizontally towards the entrance (11) of one of said heads (1), where said mirrors are arranged one above the other vertically.
     30
    12 - Device according to any of claims 3 to 11, characterized in that said turning means (25) comprise a hollow turning axis (27) that is traversed by one of said beams.
    13 - Device according to any of claims 3 to 12, characterized in that said platform (5) is height adjustable according to said vertical axis (21).
    14 - Device according to any of claims 1 or 3 to 13, characterized by 5 comprising a plurality of pants (3) arranged following a semicircle whose center is on said vertical axis (21).
    15 - Device according to any of claims 1 to 14, characterized in that it comprises means for transporting pants (3) suitable for moving a 10 pants (3) from a processing station to a loading and / or unloading station and vice versa .
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    DE4212390A1|1992-04-13|1993-10-14|Baasel Carl Lasertech|Laser engraving machine for print rollers - has beam guide for several laser beams to generate variable beam spot configuration on work surface|
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    US5916461A|1997-02-19|1999-06-29|Technolines, Llc|System and method for processing surfaces by a laser|EP3907317A1|2020-05-08|2021-11-10|Jeanología, S.L.|Device and process for the laser treatment of trousers, comprising two mannequins|US3653384A|1970-10-13|1972-04-04|American Optical Corp|Apparatus for directing a light beam|
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    US6559410B2|2001-06-29|2003-05-06|Ellis Corporation|Apparatus and method for laser etching wear patterns into denim pants|IT201900006958A1|2019-05-17|2020-11-17|Nexia S R L|SEMIAUTOMATIC APPARATUS AND METHOD FOR SURFACE TREATMENT WITH LASER SOURCE OF CLOTHING|
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    ES201630966A|ES2649745B2|2016-07-14|2016-07-14|DEVICE FOR TREATMENT OF LASER PANTS|ES201630966A| ES2649745B2|2016-07-14|2016-07-14|DEVICE FOR TREATMENT OF LASER PANTS|
    PCT/ES2017/070494| WO2018011447A1|2016-07-14|2017-07-10|Device for the laser treatment of trousers|
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