• 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:
    separable shaving head for an appliance that feeds sets of filter segments. it is a separable cutting head for an apparatus that feeds filter segments with a conveyor drum having grooves for a transverse movement of the filter rods, equipped with circular knives located in the knife units mounted in the head housing, comprising a head housing (8) provided with a reference surface (23) for positioning in the apparatus for feeding filter segments; settlements (20, 21) to position the knife units (10) and the conduit channels (25), the knife units (10) with circular knives (6), while the positioning settlements (20, 21) are located so that the circular knives (6) do not overlap.
    公开号:BR112013028194B1
    申请号:R112013028194-4
    申请日:2012-05-22
    公开日:2021-04-13
    发明作者:Bartosz Cieslikowski；Ryszard Dominiak；Andrzej Boleslawski；Leszek Sikora
    申请人:Philip Morris Products S.A.；
    IPC主号:
    专利说明:

    [001] The purpose of the order consists of a separable shaving head for an appliance that feeds sets of filter segments from the tobacco industry.
    [002] In machines that manufacture filters with multiple segments, there is a need to feed multiple different filter segments from multiple feeding devices. Among the known segment feeding devices are devices for feeding sets of filter segments, where a set of segments is formed by cutting a filter rod transported in a drum using a cutting head equipped with circular knives. From the patent GB 1043706, a separable cutting head with several circular knives mounted on knife axes is known, while the transmission of force and the coupling of the knife axes are carried out by means of a toothed gear arranged in the insert. shaving head casing. The replacement of the circular knife requires the disassembly of the knife axis on which the knife is mounted, while during the act of pushing the axis out of the casing, the knives slide successively along the axis and remain inside the casing. In order to install a new circular knife, the knife axis is pressed into the casing, and then the knives are successively placed on the axis which is partially inserted into the casing.
    [003] The purpose of the invention consists of a separable cutting head for an apparatus that feeds filter segments provided with a conveyor drum having grooves for a transverse movement of the filter rods, equipped with circular knives located in knife units fixed in the housing of the head, characterized by the fact that it comprises a head housing provided with a reference surface for positioning in the apparatus for feeding filter segments, settlements for positioning the knife units and conduit channels, as well as knife units with circular knives. The positioning positions are located so that the circular knives do not overlap.
    [004] A head, according to the invention, is also characterized by the fact that it comprises a second reference surface for positioning the knife units.
    [005] Additionally, a head, according to the invention, is characterized by the fact that the knife axes have different lengths.
    [006] Alternatively, a head, according to the invention, is characterized by the fact that the knife axes are of equal length.
    [007] The purpose of the invention is shown in a preferred modality in a drawing, in which:
    [008] Figure 1 shows a view of an apparatus for feeding sets of filter segments,
    [009] Figure 2 is a perspective view of a cutting head with two knife axes,
    [0010] Figure 3 shows a cutting head with three knife axes,
    [0011] Figure 4 shows a shaving head actuator equipped with a manual control rod to change the position, in an uncoupled position,
    [0012] Figure 5 shows the device of Figure 4 in a coupled position,
    [0013] Figure 6 shows a shaving head actuator equipped with an actuator to change the position, in an uncoupled position,
    [0014] Figure 7 shows the device of Figure 6 in a coupled position.
    [0015] Figure 1 shows an apparatus for feeding sets of filter segments provided with a feeder tank 1 for the filter rods 2 mounted on a main plate 3. Below the feeder tank 1, there is a cutting drum 4 provided in the circumference a plurality of grooves 5 on which the filter rods 2 of the feed hopper 1 are placed and on which said rods are transported. The filter rods 2 are transported transversely to their geometric axes, in the direction of rotation of the drum which is marked with an arrow and are cut into segments by circular knives 6 which are mounted on the knife axes 7 which are mounted in a housing 8 of a cutting head 9, while during the cutting operation the edges of the circular knives 6 are inserted in circumferential grooves formed on the drum 4. Depending on the number of filter segments in which the filter rods are cut, the cutting head 9 is equipped with one or more sets of circular knives 6 mounted on knife axes 7. In the following parts, knife axis 7 with knives 6, spacer sleeves, spacers, bearings and other elements mentioned below will be referred to as a unit of a knife shaft 10 or a knife unit 10. A set of filter segments 11 formed by cutting a filter rod 2 is generally arranged in the lowest position of the groove 5. An opening 12 formed in housing 8, it is used to position the head 9. After sliding the housing 8 in a mandrel 13 attached to the main plate 3, the housing 8 is supported against the main plate 3 or another resistance element. In the operational position, the housing is also supported against a resistance element 14 attached to the main plate 3. For reasons of simplicity, the screws that secure the cutting head 9 have not been shown in the drawing. Figure 2 shows a cutting head 9 provided with two axes 7 belonging to the knife units 10, while the knife unit 10 also comprises knives 6, spacer sleeves and spacers between the knives, a sleeve 16, bearings, an coupling and an end piece 19 for manual rotation of the shaft. The unit 10 is arranged in the housing 8 in the positioning positions 20 and 21, where the sleeve 16 provided with a bearing is pressed into a hole 21, and a flange 17 of said sleeve is located on a surface 22, while the bearing 18 is pressed into a hole 20. For the sake of simplicity, the connection elements that secure the sleeve 16 to the housing 8 have been omitted from the drawing. An end piece 19 is mounted on the knife axis 7, by means of said end piece the axis 7 with the knives 6 can be rotated manually.
    [0016] In the holes 21, conduction channels 25 are formed which facilitate the removal of the knife units 10. Figure 3 shows a view of a cutting head 9 with three units 10, while the central unit 10 is axially removed from its functional position and can be removed from the casing 8 independently of the other units 10 in a direction mainly perpendicular to the geometric axis of rotation of the axis 7 through the conduction channel 25, the width of which is greater than the diameter of the axis 7. An axial displacement of each of the central units 10 independently of other units is possible since the outer edges of the knives 6, in the view perpendicular to the plane of the knives 6, do not overlap.
    [0017] The shaving head housing 8 is provided with two surfaces 22 and 23 which are parallel to each other. A reference surface 23 is arranged to rest against the main plate 3, making it possible to position the housing 8 in relation to the main plate 3. A surface 22 opposite the surface 23 is a reference surface for positioning the knife units 10. Additionally, the knives 7 are arranged precisely by means of distance gloves in relation to the flange 18 which is located on the surface 22. As can be seen from the description, the construction of the cutting head makes it possible to easily replace damaged or worn knives and ensuring that the exact position of the knives 7 is maintained in relation to the plate 3 to which the cutting drum is positioned. In the case where one of the knives is damaged, the cutting head 9 is unscrewed from the support plate 3 or other support elements. The head 9 must be deflected from the cutting drum, and then pressed along the mandrel 13. After pushing the knife unit 10 out, the damaged or worn knives 6 are replaced while the position of the spacers and spacers and maintained, and its position relative to the flange 17 of sleeve 16 is checked. A unit 10 with replaced knives is pressed across the geometric axis of the unit into the cutting head housing, and then along the geometric axis and is secured using connecting elements. The cutting head prepared in this way is placed on the guide mandrel, supported against the support plate, rotated in the direction of the cutting drum 4 and screwed to the main plate. Below is a method for coupling the knife axes of the cutting drum to the drive device.
    [0018] Figure 4 shows a cutting drum drive device 30 provided with a support plate 31 on which a motor 32 is mounted. The apparatus 30 is provided with transmission shafts; each of the driveshafts 35A, 35B, 35C of the drive device 30 driven by a track 33 is mounted on the support plate 31 and has a drive wheel 34 at one end, and a coupling element 40 at the other end, while the drive shafts 35A, 35B and 35C have different lengths. In an embodiment shown in the drawing, axis 35A is the longest, and axis 35C is the shortest. The drive shafts can also be driven by a toothed gear or any other gear of any kind. The drive device 30 is mounted on typical linear guides (not shown) allowing the device to move horizontally in the direction corresponding to the geometric axes of the drive shafts 35, while the device 30 in Figure 4 is in an uncoupled position when the elements coupling elements 40 do not come into contact with coupling elements 41 and the drive is not transmitted to the knife axes 7 of the cutting head 9. In the drawing, only a boundary shape of the housing 8 of the cutting head 9 is shown in lines dotted, while the enclosure is supported against the reference surface 28. A change of position of the drive device 30 is effected by means of positioning the device in the form of a manually operated control rod 38. In order to couple the axes with knife 7 from head 9, the operator moves the drive device 30, in the direction shown by the arrow, with the use of the control rod 38 until the moment when the control element coupling 40 mounted on the shaft 35A make contact with the respective coupling element 41 mounted on the knife shaft 7. At this point, the shaft 7 and the element 41 must be manually rotated by means of the end piece 19 in order to adjust the angular position of the coupling element 41 to the element 40 in order to allow the elements 40 and 41, therefore, the axis 35A and the axis 7, to engage. The elements 40 and 41 can be elements of any known release coupling. After the axis 35A has been engaged with the axis 7, the operator moves the drive device by means of the control rod 38 until the moment when the coupling element 40 mounted on the axis 35B comes into contact with the respective coupling element 41 mounted on the respective knife axis 7. Similar to the axis 35A, the axis 7 corresponding to the axis 35B must be rotated in order to allow them to engage. In the case of the 35C axis, the procedure is similar to that for the 35A and 35B axes. Figure 5 shows the position of the apparatus 30 after all the knife axes 7 have been coupled to the transmission axes 35A, 35B and 35C.
    [0019] The modality shown in Figure 6 shows a drive device 30 'consisting of elements similar to drive device 30, however, plate 31' is arranged to cooperate with a pneumatic actuator 43 that replaces the manual displacement of the device by the operator. In this embodiment, the transmission shafts 35 have an equal length, while the knife shafts 7A, 7B and 7C have different lengths, the axis 7A is the longest, and the axis 7C is the shortest. Similar to the previous embodiment, the drive shafts 35 are provided with coupling elements 40, and the knife shafts 7A, 7B and 7C are provided with coupling elements 41. A change in the position of the drive device 30 'is carried out by means of positioning the device in the form of pneumatic actuator 43. In order to couple the knife axes 7A, 7B and 7C of the head 9, the pneumatic actuator 43 moves the drive device 30 'in the direction shown by the arrow to the moment when the coupling element 40 mounted on the shaft 35 comes into contact with the corresponding coupling element 41 mounted on the knife shaft 7A. At this time, the axis 7 must be manually rotated by means of the end piece 19 in order to adjust the angular position of the coupling element 41 to the element 40 in order to allow the elements 40 and 41, and, therefore, the axis 35 and the axis 7A, engage. After the axis 35 has been engaged with the axis 7A, the pneumatic actuator 43 moves the drive unit until the moment when the coupling element 40 mounted on the axis 35 contacts the corresponding coupling element 41 mounted on the knife axis 7B. Similar to axis 7A, axis 7B must be rotated to allow axis 35 and axis 7B to engage. In the case of axis 7C, the procedure is similar to that of axes 7A and 7B. Figure 7 shows the position of the apparatus 30 'after the knife axes 7A, 7B and 7C have been coupled to the drive axes 35. Both of the modalities described above refer to a sequential coupling of individual knife axes to the drive axes. Sequential shaft coupling is also required if the driveshafts are of equal length, and the knife shafts of equal length are displaced axially with respect to each other. If all driveshafts of equal length and all knife shafts of equal length not axially displaced are used, simultaneous angular positioning of all coupling elements is necessary in order to carry out a simultaneous coupling of all pairs of shafts during displacement of the drive device possible. To change the position of the drive device, other known activation elements can be used with pneumatic, electric or electromagnetic drive.
    权利要求:
    Claims (4)
    [0001]
    1. Separable cutting head for a device that feeds filter segments with a conveyor drum having grooves for a transverse movement of filter rods, equipped with circular knives located in knife units fixed in a head housing, characterized by the fact that comprising a head housing (8) provided with a reference surface (23) for positioning in the apparatus that feeds filter segments; settlements (20, 21) for positioning knife units (10) and conduit channels (25); knife units (10) with circular knives (6), while the positioning seats (20, 21) are located so that the circular knives (6) do not overlap.
    [0002]
    2. Head, according to claim 1, characterized by the fact that it comprises a second reference surface (22) for positioning the knife units (10).
    [0003]
    3. Head, according to claim 1 or 2, characterized by the fact that the knife axes (7A, 7B, 7C) have different lengths.
    [0004]
    4. Head, according to claim 1 or 2, characterized by the fact that the knife axes (7) are of equal length.
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    法律状态:
    2017-09-26| B25A| Requested transfer of rights approved|Owner name: PHILIP MORRIS PRODUCTS S.A. (CH) |
    2018-04-03| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-07-23| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2021-02-09| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-04-13| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 22/05/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    PL394994A|PL219048B1|2011-05-23|2011-05-23|Detachable cutting head for a device for feeding the sets of filter segments, drive unit for the detachable cutting head and method for replacing the detachable cutting head|
    PLP.394994|2011-05-23|
    PCT/PL2012/050013|WO2012161605A2|2011-05-23|2012-05-22|Detachable cutting head for the apparatus for feeding sets of filter segments, drive apparatus for detachable cutting head and method of replacement of detachable cutting head|BR122014024565-3A| BR122014024565B1|2011-05-23|2012-05-22|DRIVING DEVICE FOR A SEPARATE CUTTING HEAD AND METHOD OF CONNECTING A SEPARABLE CUTTING HEAD TO A DRIVING DEVICE|
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