AU2020430752B2

AU2020430752B2 - Rotary punching die device

Info

Publication number: AU2020430752B2
Application number: AU2020430752A
Authority: AU
Inventors: Duwen LIN
Original assignee: Taroko Door and Window Technologies Inc
Current assignee: Taroko Door and Window Technologies Inc
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2024-04-11
Anticipated expiration: 2040-02-18
Also published as: AU2020430752A1; WO2021163886A1

Abstract

Disclosed is a rotary punching die device. The rotary punching die device comprises a punching die unit (2) and a linkage device (23), wherein the punching die unit (2) is at least provided with an upper die (22) and a lower die (21) vertically opposite the upper die, the upper die (22) is provided with a plurality of punches (24) of different shapes in the direction facing the lower die (21), matching die cavities (212) are provided on the lower die (21) at positions opposite the punches (24), the linkage device (23) is arranged between the upper die (22) and the lower die (21), and when the upper die (22) is rotated, the lower die (21) can be linked to rotate together with the upper die. By means of the rotary punching die device, when holes of different forms need to be punched, it is only necessary to rotate the punching die unit, a combination of another punch of a different form and a corresponding die cavity can be used for replacement; and the apparatus cost can be effectively reduced, and the machining time can be effectively shortened.

Description

ROTARY PUNCHING DIE DEVICE FIELD OF INVENTION

[0001] The present disclosure relates to a punching device, in particular to a rotary punching die device for quick change of punches.

BACKGROUND OF INVENTION

[0002] A punching machine is a device that processes and shapes a workpiece. When the punching machine punches holes in the workpiece, it first places the workpiece under the punch of the die, and then starts a power device to drive the punch to pressurize the workpiece. The punch with higher hardness punches out holes in the workpiece with the same shape as the punch. With the different application fields of workpieces or the development of combination methods, the required hole shapes are becoming more and more diverse. Therefore, before punching, the die used with the punching machine will be selected according to the required shape.

[0003] However, the existing punching machine can only install a die for punching one shape. If it is necessary to punch other holes of different shapes, the existing punching machine is necessary to prepare multiple punching machines with different shapes of dies at the same time or remove and replace the punching dies to meet the needs of punching holes of different shapes. Therefore, the equipment cost, or processing time will be increased and needs to be improved.

SUMMARY OF INVENTION

[0004] An object of the present disclosure is to provide a rotary punching die device that may quickly change punches in a rotary manner.

[0005] To achieve the above object, the present disclosure provides a rotary punching die device, the rotary punching die device comprises a punching die unit and a linkage device, wherein the punching die unit includes an upper die and a lower die being opposite to the upper die, the upper die is provided with a plurality of punches, the punches are different types towards the lower die, the lower die is provided with a plurality of matching cavities relative to the punches, and the linkage device is arranged between the upper die and the lower die, so that the upper die is rotated to move the lower die synchronously.

[0006] The present disclosure has the beneficial effects: the upper die and the lower die are matched and assembled by the linkage device. When the rotary punching die device is necessary to punch out holes of different shapes, it is only necessary to rotate the punching die unit, and then the punching may be replaced with another punch and another cavity of different shapes at the same time. It can simply and quickly select from these punches to punch holes of different shapes and effectively reduce the cost of purchasing equipment and the processing time of the workpiece.

DESCRIPTION OF DRAWINGS

[0007] The features and effects of the present disclosure are clearly presented in the embodiments with reference to the drawings:

[0008] FIG. 1 is a partially exploded perspective diagram illustrating an embodiment of a rotary punching die device of the present disclosure.

[0009] FIG. 2 is a schematic diagram illustrating one of the punches in a punching position of the embodiment.

[0010] FIG. 3 and FIG. 4 are partial cross-sectional diagrams illustrating that the embodiment is suitable for cooperating with a continuous action of a power device.

[0011] FIG. 5 is a schematic diagram illustrating the rotation of another punch of the embodiment from a preparation position to the punching position.

DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS

[0012] Refer to FIG. 1 and FIG. 2, a rotary punching die device according to an embodiment of the present disclosure is illustrated. The rotary punching die device is configured to punch a material sheet 5 to make holes and includes a base 1, a punching die unit 2, a positioning device 3, and a feeding base 4, wherein the base 1 is configured to carry the material sheet 5, the punching die unit 2 is pivoted on the base 1, the positioning device 3 is configured to position the punching die unit 2 on the base 1, and the feeding base 4 is connected to one end of the base 1 and configured to carry the material sheet 5 with the base 1.

[0013] The base 1 includes a shaft 11, a chamber 12, a limit slot 13, and a plurality of limit pieces 14, wherein the shaft 11 protrudes upward, the chamber 12 is recessed downward around the shaft 11 and is formed a in a ring shape, the limit slot 13 is recessed downward and configured to accommodate the material sheet 5, the limit pieces 14 are arranged at intervals along a extending direction of the limit slot 13, and the limit pieces 14 may be reciprocally extended into the limit slot 13 and are configured to position the material sheet 5. The limit slot 13 has two notches 131 facing the punching die unit 2 and the feeding base 4 respectively.

[0014] The punching die unit 2 includes 1 lower die 21, an upper die 22, a linkage device 23, a plurality of punches 24, and an elastic member 25, wherein the lower die 21 is sleeved on the shaft 11 of the base 1 and accommodated in the chamber 12, the upper die 22 is sleeved on the shaft 11 and spaced from the lower die 21 along a vertical direction, the linkage device 23 is connected to the upper die 22 and the lower die 21, the punches 24 protrude from the upper die 22 toward the lower die 21 and are arranged around the shaft 11, and the elastic member 25 is sleeved on the shaft 11 and located between the upper die 22 and the lower die 21. In the embodiment, four punches 24 arranged around the shaft 11 are used for illustration, and the punches 24 may produce holes of different shapes after punching. Due to the view, only two adjacent punches 24 are shown in FIG. 1 and FIG. 2.

[0015] The lower die 21 is configured to carry the material sheet 5 with the base 1 and form a plurality of material channels 211, a plurality of cavities 212, and a through hole 213, wherein the material channels 211 is recessed downward and configured to accommodate the material sheet 5, the cavities 212 are respectively communicated with the material channels 211 and configured to provide the punches 24 for insertion, and the through hole 213 penetrates in the vertical direction and is configured to provide the shaft 11 to pass through. Furthermore, the lower die 21 includes a connecting piece 214, and the connecting piece 214 is closed around the through hole 213 and extends toward the upper die 22. In the embodiment, the lower die 21 forms four material channels 211 and four cavities 212, the cavities 212 are respectively located on the same straight line with the punches 24, and the shapes of the cavities 212 correspond to the shapes of the punches 24 respectively. It should be noted that the shapes and numbers of the punches 24, the material channels 211, and the cavities 212 are for illustration, they are not limited to the shapes shown in the embodiment.

[0016] The upper die 22 includes a resisting member 221 and a body 222, wherein the resisting member 221 is annular and sleeved on the shaft 11, and the body 222 is annular and sleeved on the resisting member 221. In the embodiment, one end of the elastic member 25 resists the resisting member 221 and another end of the elastic member 25 resists the lower die 21 and is accommodated in the connecting piece 214 of the lower die 21.

[0017] Refer to FIG. 1 and FIG. 3, the upper die 22 and the lower die are assembled by the linkage device 23. The linkage device 23 includes two linkage rods 231, two holes 232, two perforations 233, and two sliding rods 234, wherein the linkage rods 231 surrounds the shaft 11 and protrudes from the upper die 22 toward the connecting piece 214 of the lower die 21, the holes 232 are respectively recessed from the connecting piece 214 corresponding to the linkage rods 231 and are respectively provided to the linkage rods 231 to slidably pass through, the perforations 233 penetrates the upper die 22, and the sliding rods 234 are connected to the connecting piece 214 and may be slidably passed through the perforations 233 (due to the angle of view, only one linkage rod 231, one hole 232, one perforation 233, and one sliding rod 234 are shown in the figure). Each of the perforations 233 has a small aperture portion 235 facing the lower die 21 and a large aperture portion 236 opposite to the small aperture portion 235, and the aperture of the large aperture portion 236 is larger than the aperture of the small aperture portion 235. Each of the sliding rods 234 has a rod portion 237 and a head portion 238, wherein the rod portion 237 extends from the connecting piece 214 toward the upper die 22 and passes through the perforations 233, and the head portion 238 is connected to the rod portion 237 and accommodated in the large aperture portion 236.

[0018] It should be noted that the number of the linkage rods 231, the holes 232, the perforations 233, and the sliding rods 234 are not limited thereto. The linkage device 23 may only have a linkage rod 231 and a hole 232 to assemble the upper die 22 and the lower die 21.

[0019] Refer to FIG. 1 and FIG. 2, the positioning device 3 includes a plurality of positioning grooves 31 and a positioning slider 32, the positioning grooves 31 are recessed radially inward from an outer peripheral surface of the lower die 21, and the positioning slider 32 extends from the base 1 to the lower die 21 and is configured to be reciprocally passed through one of the positioning grooves 31. In the embodiment, the positioning device 3 includes four positioning grooves 31 and the positioning grooves 31 are respectively provided corresponding to the material channels 211.

[0020] The feeding base 4 is provided with a feeding slot 41, wherein the feeding slot 41 is recessed downward and configured to accommodate the material sheet 5 and communicates with one of the notches 131 of the limit slot 13 of the base 1. The feeding base 4 includes a ruler 42 and a plurality of fixing elements 43, wherein the ruler 42 extends in the same direction as the limiting slot 13 and the feeding slot 41, the fixing elements 43 are arranged at intervals along the extending direction of the feeding slot 41 and may be reciprocally extended to the feeding slot 41 and are configured to cooperate with the limit pieces 14 of the base 1 to position the material sheet 5.

[0021] Refer to FIG. 1 to FIG. 3, for the convenience of description, the punches 24 in the figure are sequentially marked as 24a, 24b, 24c from left to right (due to the angle of view, the punch 24c is not shown in FIG. 2, and the punch 24b is not shown in FIG. 3). The material channel 211, the cavity 212, and the positioning groove 31 disposed corresponding to the punch 24a are marked as 211a, 212a and 31a, respectively.

[0022] The embodiment is used with a power device 6 that reciprocates along the vertical direction. Before the punching operation, the rotary punching die device of the present disclosure is placed under the power device 6 as shown in FIG. 3 according to the embodiment, so that the punching die unit 2 is located directly below the power device 6 and is spaced from the power device 6 by a distance. Then one of the punches 24 is selected according to the shape of the hole to be punched, and the punching die unit 2 is rotated. The upper die 22 and the lower die 21 are driven by the linkage rods 231 and the sliding rods 234 to rotate synchronously, so that the punch 24a remains corresponding to the material channel 211a, the cavity 212a and the positioning groove 31a. The punching die unit 2 drives the punches 24 to rotate relative to the base 1 between a punching position contacting the material sheet 5 and a preparatory position not contacting the material sheet 5.

[0023] For example, when a rectangular hole as shown by the punch 24a is to be punched, the punch unit 2 is rotated clockwise or counterclockwise as shown in FIG. 2, so that the punch 24a is located at the punching position and the punches 24b, 24c are located in the preparatory position. The material channel 211a corresponding to the punch 24a is communicated with one of the notches 131 of the limit slot 13, the material channel 211a and the limit slot 13 extend in the same direction, and the other notch 131 of the limiting slot 13 is communicated with the feeding slot 41 of the feeding base 4, so that the material channel 211a, the limit slot 13 and the feeding slot 41 form a linear connection. Next, the positioning slider 32 is pushed into the positioning groove 31a in the direction shown by the arrow at the bottom of FIG. 2, so that the lower die 21 is positioned by the positioning slider 32.

[0024] Finally, the material sheet 5 is placed in the feeding slot 41, and the material sheet 5 is pushed from the feeding slot 41 to the punching die unit 2, so that the material sheet 5 is accommodated in the feeding slot 41, the limiting slot 13 and the material channel 211a at the same time. At this time, the material sheet 5 may be measured with the ruler 42, so that the position where the material sheet 5 is to be punched is indeed located between the punch 24a and the cavity 212a. Then, the limit pieces 14 and the fixing elements 43 are pushed to the material sheet 5 for positioning according to requirements, so as to carry out the punching operation.

[0025] The method of inserting the material sheet 5 is not limited to the above mentioned method, and the material sheet 5 may also be pushed into the material channel 211a from the side of the base 1 opposite to the feeding base 4. For the punching application of the material sheet 5, if only one end of the material sheet 5 needs to be punched, it is convenient to enter the material sheet 5 into the material channel 211a for punching in this way.

[0026] Refer to FIG. 2 to FIG. 4, after the power device 6 is activated, the power device 6 is displaced downward as shown by the arrow in FIG. 3 to drive the upper die 22. The upper die 22 drives the linkage rods 231 of the linkage device 23 and the punches 24 to move toward the lower die 21 relative to the sliding rods 234 and elastically compress the elastic member 25. In the embodiment, the linkage rods 231 and the holes 232 of the linkage device 23 are not tightly fitted. When the power device 6 drives the upper die 22, the linkage rods 231 slide toward the lower die 21, the punch 24a located at the punching position may contact the material sheet 5 as shown in FIG. 4 and extend into the cavity 212a after punching. The punches 24b and 24c located in the preparatory position will directly extend into the corresponding cavities 212 to prevent the punches 24b and 24c from being damaged by contacting the lower die 21.

[0027] After the punch 24a punches a hole on the material sheet 5, the elastic member 25 is elastically reset to drive the upper die 22 to move the punches 24 away from the lower die 21 and the material sheet 5 automatically. During the process, the diameter of the head portions 238 of the sliding rods 234 is larger than that of the small apertures 235 of the perforations 233 and cannot pass through the small apertures 235, and the upper die 22 is limited by the head portions 238 and stops moving. Finally, as shown in Figure 3, return to the position before punching, namely, complete the punching operation. The lower die 21 and the upper die 22 are limited by the linkage device 23, so that the lower die 21 and the upper die 22 may be rotated synchronously, so as to be easily replaced with another punch 24 of a different shape. It is further ensured that the punches 24 may be kept aligned with the cavities 212 of the lower die 21 during the punching process, and that the upper die 22 may automatically return to the position before punching during the reset process.

[0028] Refer to FIG. 2 and FIG. 5, after the punching operation is completed, the limit pieces 14 and the fixing elements 43 may be pushed away from the material sheet 5 if other holes need to be punched, the material sheet 5 may be replaced or moved as required, and the positioning slider 32 is pulled out in the direction away from the punching die unit 2 as shown in FIG. 5. As shown in FIG. 5, by rotating the punching die unit 2 clockwise or counterclockwise along the direction of the arrow, the punch 24 of another shape may be used to continue punching.

[0029] Refer to FIG. 1 and FIG. 3, the punching die unit 2 is directly sleeved on the shaft 11 of the base 1 and the punching die unit 2 is not connected to the power device 6. The positioning slider 32 of the positioning device 3 is pushed away from the positioning grooves 31, and the punching die unit 2 is lifted away from the base 1, so that the base 1 and the punching die unit 2 maty be separated. When more holes of different shapes need to be punched out, a plurality ofpunching die units 2 with punches 24 of different shapes may be produced, which is convenient for users to replace the punching die units 2 according to the needs of punching. In this way, users do not need to purchase machines with different punch shapes, which can effectively reduce the cost of purchasing equipment and storage space. Since the punching die unit 2 is easily removed, punches 24 of different shapes may be quickly replaced.

[0030] The punching die unit 2 is not connected to the power unit 6, the rotary punching die device of the present disclosure may be easily moved, and it can be used with different types of punching equipment without being limited by the type of machine.

[0031] Furthermore, in the embodiment, the power device 6 drives the punches 24 and cooperates with the linkage device 23 to limit the lower die 21 and the upper die 22, so that the force applied by the power device 6 to the punching die unit 2 is more even. That is to say, the power device 6 drives the upper die 22 to make the punches 24 provided on the upper die 22 move linearly in the direction of the lower die 21 simultaneously and uniformly. Thus, the eccentric load generated during punching may be reduced, the machining accuracy may be improved, and the service life of the punching die unit 2 may be prolonged.

[0032] As described above, the rotary punching die device of the present disclosure uses the linkage device 23 to cooperate and assemble the upper die 21 and the lower die 22. When the rotary punching die device is necessary to punch out holes of different shapes, the punching die unit 2 pivoted on the base 1 may be rotated and replaced with another punch 24 of a different shape combined with the corresponding die cavity 212. Therefore, the punches 24 may be easily and quickly selected according to the punching requirements, and the corresponding cavities 212 may also be rotated synchronously. The cost of purchasing equipment and the processing time of workpieces may be effectively reduced, so the purpose of the present disclosure can indeed be achieved.

[0033] The above descriptions are merely examples of the present disclosure and should not limit the scope of implementation of the present disclosure. All simple equivalent changes and modifications made according to the scope of the application of the present disclosure and the contents of the patent specification are still within the scope of the patent of the present disclosure.

Claims

Claims

What is claimed is: 1. A rotary punching die device, characterized in that: the rotary punching die device comprises a punching die unit and a linkage device; wherein the punching die unit includes an upper die and a lower die being opposite to the upper die, and an elastic member is disposed between the upper die and the lower die, the elastic member is configured to support the upper die through an elastic force, a distance is maintained between the upper die and the lower die by the elastic force of the elastic member; the upper die is provided with a plurality of punches, the punches are different types towards the lower die, the lower die is provided with a plurality of matching cavities relative to the punches, and the linkage device is arranged between the upper die and the lower die, so that the upper die is rotated to move the lower die synchronously.
2. The rotary punching die device according to claim 1, characterized in that: the rotary punching die device further comprises a base, and the lower die is disposed on the base.
3. The rotary punching die device according to claim 2, characterized in that: the base is provided with a chamber configured to accommodate the lower die.
4. The rotary punching die device according to claim 3, characterized in that: a shaft is disposed on the chamber of the base, a through hole is formed on the lower die opposite to the shaft, and the upper die is sleeved on the shaft.
5. The rotary punching die device according to claim 2, characterized in that: the lower die is provided with a plurality of material channels respectively corresponding to the cavities.
6. The rotary punching die device according to claim 2, characterized in that: the rotary punching die device further comprises a positioning device for positioning the punching die unit on the base.
7. The rotary punching die device according to claim 6, characterized in that: the positioning device includes a plurality of positioning grooves and a positioning slider, the positioning grooves are arranged on the lower die and recessed by the periphery of the lower die, and the positioning slider is disposed on the base and configured to penetrate into one of the positioning grooves.
8. The rotary punching die device according to claim 5, characterized in that: one end of the base is connected to a feeding base, the feeding base is provided with a feeding slot, and the base is provided with a limit slot relative to the feed slot.
9. The rotary punching die device according to claim 8, characterized in that: two notches of the limiting slot of the base are respectively communicated with the feeding slot of the feeding base and the material channels of the lower die.
10. The rotary punching die device according to claim 8, characterized in that: the base is provided with a plurality of limit pieces relative to the limit slot.
11. The rotary punching die device according to claim 8, characterized in that: the feeding base further includes a ruler in the same direction as the limiting slot.
12. The rotary punching die device according to claim 1, characterized in that: the linkage device includes at least one linkage rod disposed on the upper die and at least one hole formed on the lower die.