Punch assembly

Abstract

The utility model belongs to the technical field of punching machine equipment, and particularly relates to a punch assembly which comprises a punch box, a plurality of punches and a rotation driving assembly, the punches are sequentially installed on the punch box at intervals, all the punches are installed on the punch box in a lifting mode, at least part of the punches are rotatable punches installed on the punch box in a rotating mode, and the rotation driving assembly is arranged on the punch box. The rotatable punches are fixedly sleeved with rotating wheels, the rotating driving assembly is connected with driving wheels, idle wheels are further arranged between the rotating wheels and the driving wheels, one idle wheel is correspondingly arranged between every two adjacent punches, and a synchronous belt or a synchronous chain is connected with the driving wheels and the rotating wheels. And the synchronous belt or the synchronous chain between two adjacent rotating wheels is wound on the idle wheel. All the rotatable punches are connected in a winding mode through a synchronous belt or a synchronous chain, the synchronous belt or the synchronous chain is connected with a rotation driving assembly for driving, an idle wheel is arranged between every two adjacent punches, the punches needing to rotate can be selected according to needs, and use is flexible.

Description

TECHNICAL FIELD

[0001] The utility model belongs to puncher equipment technical field, and specifically relates to a punch assembly. BACKGROUND

[0002] The leather puncher is a kind of equipment specially used for punching on leather material, and the leather puncher drives punch by mechanical or hydraulic mode, to form the required hole on leather material at high speed and accurately, to meet different design requirements.

[0003] When punching, the punch of puncher needs to move up and down to punch leather sometimes, and needs to rotate and punch while moving up and down sometimes, in the prior art, the rotating punch needs to be connected with rotating driving device separately, and each rotating punch needs to be connected with corresponding rotating driving device, which leads to that the punch needs more power and is large in size, the puncher is large in size and more complex to operate, and the rotating punch is relatively fixed and cannot be adjusted flexibly. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the insufficient of prior art, and provides a punch box with simple structure, compact structure and small space occupation, and the rotatable punch can be selected flexibly.

[0005] To realize the above-mentioned purpose, the utility model adopts the technical scheme of a punch assembly, which comprises a punch box, a plurality of punches and a rotating driving assembly, the plurality of punches are installed on the punch box in sequence and at intervals, the punches are all installed on the punch box and can be lifted, at least part of the punches are rotatable punches that are partially or all installed on the punch box and can rotate, a rotating wheel is fixedly arranged on the rotatable punch, the rotating driving assembly is connected with a driving wheel, an idler wheel is arranged between the rotating wheel and the driving wheel, one idler wheel is arranged between adjacent two punches, and a synchronous belt or a synchronous chain is connected with the driving wheel and the rotating wheel, and the synchronous belt or the synchronous chain between adjacent two rotating wheels is wound around the idler wheel.

[0006] Preferably, the punch box is provided with a bearing seat, a plurality of bearing holes are formed in the bearing seat, the punches are arranged through the bearing holes, and the rotating wheel is arranged on the upper side of the bearing seat.

[0007] Preferably, the other part of the punches are lifting punches, the rotatable punches and the lifting punches are arranged alternately, the outer side of the lifting punch is provided with a guide seat, the guide seat is fixed on the upper side of the punch box, and the synchronous belt or the synchronous chain between adjacent two rotating wheels is wound around two idler wheels.

[0008] Preferably, the lower side of the guide seat is provided with an annular boss that is clamped into the bearing hole.

[0009] Preferably, the punches are rotatable punches, and a synchronous belt or a synchronous chain between two adjacent rotating wheels is arranged around an idler wheel.

[0010] Preferably, the rotating drive assembly comprises a motor, and the driving wheel is connected to an output shaft of the motor.

[0011] Preferably, the lower part of the punch box is provided with a collecting part, the punch penetrates through the collecting part, the collecting part is sealingly arranged, the lower end of the punch is hollow, a chip outlet is arranged on one side of the hollow position of the lower end of the punch, the chip outlet is arranged in the collecting part, and a negative pressure device is connected to one side of the collecting part.

[0012] Preferably, a horizontal plate is arranged in the middle part of the punch box, and the lower side of the horizontal plate is a collecting part, and a sealing plate is fixedly arranged on the front side of the collecting part.

[0013] Preferably, a guide sleeve is arranged between the punch and the punch box.

[0014] Preferably, a copper sleeve is arranged between the rotatable punch and the rotating wheel.

[0015] Compared with the prior art, the technical scheme has the following beneficial effects:

[0016] 1. At least part of the punches is rotatable punch, each rotatable punch is connected by a synchronous belt or a synchronous chain, the synchronous belt or the synchronous chain is driven by a rotating drive assembly, and an idler wheel is arranged between two adjacent punches. If two rotatable punches are adjacent, the synchronous belt or the synchronous chain is arranged around the rotatable punch, the idler wheel and the adjacent rotatable punch in sequence. If a rotatable punch and a non-rotating punch are adjacent, the synchronous belt or the synchronous chain is arranged around the rotatable punch and the corresponding idler wheel of the non-rotating punch in sequence. The punch can be selected according to the need, and the use is flexible.

[0017] 2. One rotating drive assembly rotates, and all the rotatable punches rotate. When in use, a suitable punch can be selected and used. Only one rotating drive assembly can drive all the rotatable punches, thereby reducing the number of power components and the size of the punch box, and the use is more flexible.

[0018] 3. The lower part of the punch box is provided with a collecting part, the lower end of the punch is hollow, a chip outlet is arranged on one side of the hollow position of the lower end of the punch, and a negative pressure device is connected to one side of the collecting part. The chips generated by punching are directly sucked into the collecting part, and the chips are prevented from flying around. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the first embodiment.

[0020] Figure 2is a top view of embodiment one.

[0021] Figure 3 is a structural schematic diagram of embodiment one without the sealing plate.

[0022] Figure 4 is Figure 3 is an enlarged view of A in the middle.

[0023] Figure 5 is a structural schematic diagram of the bearing seat.

[0024] Figure 6 is a structural schematic diagram of the punch.

[0025] Figure 7 is a top view of embodiment two.

[0026] Wherein: 1, motor 2, drive wheel 3, synchronous belt 4, lifting punch 5, rotating wheel 6, guide seat 7, bearing seat 8, punch box 9, sealing plate 10, interface 11, idler 12, chip outlet 13, tool bit 14, pressure cap 15, collection part 16, rotatable punch 17, cross plate 18, guide sleeve 19, copper sleeve 20, clamping spring 21, spring 22, fixed disc 23, annular boss. DETAILED DESCRIPTION

[0027] Figures 1-7 is the best embodiment of the present application, and the following will be combined with the accompanying drawings to make further description. Figures 1-7 The present application is further described.

[0028] Embodiment one

[0029] As Figure 1As shown in the utility model discloses a punch assembly, including punch box 8, several punches and rotation drive assembly, several punches are installed on punch box 8 in turn interval, punch vertical and through setting on punch box 8, each punch can be installed on punch box 8 and lift, wherein at least part punch is rotatable punch (16) of rotation installation on punch box 8, rotatable punch 16 outside fixedly sleeved with rotating wheel 5, synchronous belt 3 or synchronous chain is sequentially wound over the rotating wheel 5 of each rotatable punch 16, and the idler 11 is also arranged between rotating wheel 5 and drive wheel 2, and one idler 11 is correspondingly arranged between the adjacent two punches, and the synchronous belt 3 and synchronous chain are wound over drive wheel 2 and rotating wheel 5, to ensure that each rotatable punch 16 can be driven to rotate, and the synchronous belt 3 or synchronous chain between the adjacent two rotating wheels 5 is wound over idler 11, and drive wheel 2 and each rotating wheel 5 are arranged on the same horizontal plane, and drive wheel 2 is connected with rotation drive assembly, when the rotation drive assembly works, all rotatable punches 16 can be driven to rotate, if two rotatable punches 16 are adjacent, then the synchronous belt 3 or synchronous chain is sequentially wound over rotatable punch 16, idler 11 and adjacent rotatable punch 16, if rotatable punch 16 and non-rotating punch are adjacent, then the synchronous belt 3 or synchronous chain is sequentially wound over rotatable punch 16 and simultaneously wound over the idler 11 corresponding to non-rotating punch from the same side, and the punch that can be rotated according to the needs of selection.

[0030] As Figure 2 As shown in the utility model discloses a punch assembly, including punch box 8, several punches and rotation drive assembly, several punches are installed on punch box 8 in turn interval, punch vertical and through setting on punch box 8, each punch can be installed on punch box 8 and lift, wherein at least part punch is rotatable punch (16) of rotation installation on punch box 8, rotatable punch 16 outside fixedly sleeved with rotating wheel 5, synchronous belt 3 or synchronous chain is sequentially wound over the rotating wheel 5 of each rotatable punch 16, and the idler 11 is also arranged between rotating wheel 5 and drive wheel 2, and one idler 11 is correspondingly arranged between the adjacent two punches, and the synchronous belt 3 and synchronous chain are wound over drive wheel 2 and rotating wheel 5, to ensure that each rotatable punch 16 can be driven to rotate, and the synchronous belt 3 or synchronous chain between the adjacent two rotating wheels 5 is wound over idler 11, and drive wheel 2 and each rotating wheel 5 are arranged on the same horizontal plane, and drive wheel 2 is connected with rotation drive assembly, when the rotation drive assembly works, all rotatable punches 16 can be driven to rotate, if two rotatable punches 16 are adjacent, then the synchronous belt 3 or synchronous chain is sequentially wound over rotatable punch 16, idler 11 and adjacent rotatable punch 16, if rotatable punch 16 and non-rotating punch are adjacent, then the synchronous belt 3 or synchronous chain is sequentially wound over rotatable punch 16 and simultaneously wound over the idler 11 corresponding to non-rotating punch from the same side, and the punch that can be rotated according to the needs of selection.

[0031] The rotation drive assembly in the embodiment includes motor 1, and drive wheel 2 is connected to the output shaft of motor 1. The rotation drive assembly further includes a motor fixing seat and a tensioning seat. The motor 1 is fixed to the lower side of the motor fixing seat, and the tensioning seat is located on one side of the motor fixing seat. The tensioning seat is fixedly arranged, and a top wire hole for pushing the motor fixing seat to move away from the punch box 8 is formed in the tensioning seat. The tension of the synchronous belt 3 is adjusted by adjusting the motor 1 to move closer to or away from the punch box 8.

[0032] As Figures 3-5As shown, the punch is vertically arranged through the punch box 8, a bearing seat 7 is arranged on the upper side of the punch box 8, the bearing seat 7 is fixedly installed on the punch box 8, a plurality of bearing holes are formed on the bearing seat 7, the punch passes through the bearing hole, the rotating wheel 5 is arranged on the upper side of the bearing seat 7, the rotatable punch 16 is rotatably and liftably installed on the bearing seat 7, the rotating wheel 5 can not only drive the rotatable punch 16 to rotate, but also guide the lifting of the rotatable punch 16, the lifting punch 4 is installed on the bearing seat 7 through the guide seat 6, the guide seat 6 guides the lifting of the lifting punch 4, the lower side of the guide seat 6 is provided with an annular boss 23 clamped in the bearing hole, a copper sleeve 19 is arranged between the rotatable punch 16 and the rotating wheel 5, and a copper sleeve 19 is also arranged between the lifting punch 4 and the guide seat 6; a clamping groove is formed in the copper sleeve 19, a clamping spring 20 is arranged in the clamping groove, and the clamping spring 20 is clamped on the upper side of the rotating wheel 5 and the guide seat 6; the lower part of each punch and the punch box 8 are further provided with a guide sleeve 18, and the guide sleeve 18 ensures that the punch vertically lifts.

[0033] As shown in the figure, Figure 6 The upper end of each punch is a pressing cap 14, and the lower end is various tool bits 13. The lower part of the punch box 8 is provided with a collecting part 15. A horizontal plate 17 is arranged in the middle part of the punch box 8. The lower side of the horizontal plate 17 is the collecting part 15. The collecting part 15 is sealingly arranged. The front side of the collecting part 15 is fixedly provided with a sealing plate 9. The punch passes through the collecting part 15. The punch and the horizontal plate 17 are also provided with a guide sleeve 18. The lower end of the punch is hollow. A chip outlet 12 is formed on one side of the hollow position of the lower end of the punch. The chip outlet 12 is arranged in the collecting part 15. A connector 10 is arranged on one side of the collecting part 15. The connector 10 is connected with a negative pressure device. The negative pressure device provides negative pressure. The leather scraps cut by the tool bits 13 are sucked into the collecting part 15. The leather scraps enter the collecting part 15 from the chip outlet 12. Finally, the scraps in the collecting part 15 are sucked away from the interface and collected for processing. A spring 21 is further arranged outside each punch. In the embodiment, the spring 21 is arranged above the collecting part 15. A fixed disc 22 is fixedly arranged outside the punch. The upper end of the spring 21 is supported on the lower side of the fixed disc 22. The lower end of the spring 21 is supported on the upper side of the horizontal plate 17. The spring 21 can buffer when the punch lifts.

[0034] In use, the motor 1 rotates. Since the synchronous belt 3 simultaneously passes through the driving wheel 2, the rotating wheels 5 and the idler wheels 11, the rotating wheels 5 all rotate when the motor 1 rotates. Therefore, the rotatable punches 16 all rotate at the same time. Only one motor 1 is needed to drive all the rotatable punches 16. The number of power components is reduced. The volume of the punch box is reduced. The use is more flexible. The leather scraps cut by the tool bits 13 are sucked into the collecting part 15. The leather scraps enter the collecting part 15 from the chip outlet 12. Finally, the scraps in the collecting part 15 are sucked away from the interface and collected for processing. The scraps are prevented from flying around.

[0035] Example 2

[0036] like Figure 7 As shown, the structure in this embodiment is completely the same as that in embodiment one, except that the punches in this embodiment can be rotatably mounted on the punch box 8, the synchronous belt 3 is sequentially and crosswise wound around each rotatable punch 16, the synchronous belt 3 between two adjacent rotating wheels 5 is wound around an idler wheel 11, the synchronous belt 3 is wound around the previous rotating wheel 5, then around the idler wheel 11, and then around the next rotating wheel 5.

[0037] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from its technical solution shall still fall within the protection scope of this utility model.

Claims

1. A punch assembly characterized by: The punch box (8), a plurality of punches and a rotating drive assembly are included, the plurality of punches are sequentially and spacedly installed on the punch box (8), the punches are all installed on the punch box (8) in a lifting manner, wherein at least part of the punches are rotatable punches (16) rotatably installed on the punch box (8), a rotating wheel (5) is fixedly sleeved on the rotatable punch (16), the rotating drive assembly is connected with a driving wheel (2), an idler wheel (11) is further arranged between the rotating wheel (5) and the driving wheel (2), and one idler wheel (11) is correspondingly arranged between adjacent two punches, and a synchronous belt (3) or a synchronous chain is connected with the driving wheel (2) and the rotating wheel (5), and the synchronous belt (3) or the synchronous chain between adjacent two rotating wheels (5) is wound around the idler wheel (11).

2. A punch assembly according to claim 1, wherein: The punch box (8) is provided with a bearing seat (7), a plurality of bearing holes are formed in the bearing seat (7), and the punches are arranged through the bearing holes, and the rotating wheel (5) is arranged on the upper side of the bearing seat (7).

3. A punch assembly according to claim 2, wherein: The other part of the punches are lifting punches (4), the rotatable punches (16) and the lifting punches (4) are alternately arranged, the outer side of the lifting punch (4) is provided with a guide seat (6), the guide seat (6) is fixed on the upper side of the punch box (8), and the synchronous belt (3) or the synchronous chain between adjacent two rotating wheels (5) is wound around two idler wheels (11).

4. A punch assembly according to claim 3, wherein: The lower side of the guide seat (6) is provided with an annular boss (23) which is clamped into the bearing hole.

5. The punch assembly of claim 1, wherein: The punches are all rotatable punches (16), and the synchronous belt (3) or the synchronous chain between adjacent two rotating wheels (5) is wound around one idler wheel (11).

6. A punch assembly according to claim 1, wherein: The rotating drive assembly comprises a motor (1), and the driving wheel (2) is connected with the output shaft of the motor (1). Further comprising a motor fixing seat and a tensioning seat, the motor (1) is fixed on the lower side of the motor fixing seat, the tensioning seat is located on one side of the motor fixing seat, the tensioning seat is fixedly arranged, and a top wire hole is formed in the tensioning seat and used for pushing the motor fixing seat to move away from the punch box (8).

7. The punch assembly of claim 1, wherein: The lower part of the punch box (8) is provided with a collecting part (15), the punch penetrates through the collecting part, the collecting part (15) is sealingly arranged, the lower end of the punch is hollowly arranged, a chip outlet (12) is formed in one side of the hollow position of the lower end of the punch, the chip outlet (12) is arranged in the collecting part (15), and a negative pressure device is connected with one side of the collecting part (15).

8. A punch assembly according to claim 7, wherein: A horizontal plate (17) is arranged in the middle part of the punch box (8), the lower side of the horizontal plate (17) is the collecting part (15), and a sealing plate (9) is fixedly arranged on the front side of the collecting part (15).

9. The punch assembly of claim 1, wherein: A guide sleeve (18) is arranged between the punch and the punch box (8).

10. The punch assembly of claim 1, wherein: A copper sleeve is arranged between the rotatable punch (16) and the rotating wheel (5).

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