CN113042609A

CN113042609A - Punching machine

Info

Publication number: CN113042609A
Application number: CN202110347889.0A
Authority: CN
Inventors: 毛军财; 梁筱; 褚俊杰; 吴忠兴
Original assignee: Hangzhou Chenlong Intelligent Technology Co ltd
Current assignee: Hangzhou Chenlong Intelligent Technology Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-06-29
Anticipated expiration: 2041-03-31
Also published as: CN113042609B

Abstract

The utility model relates to a punch press, including frame (1) and blanking mechanism (2) that are used for cutting off the waste material on the material, blanking mechanism (2) are including cutting off last mould (21) and cutting off lower mould (22) that set up relatively along the upper and lower direction of punch press, it is fixed in frame (1) to cut off lower mould (22), it connects in frame (1) along upper and lower direction is movably to cut off last mould (21), the punch press is still including setting up guide structure (3) and the waste material frame that is located guide structure (3) below cutting off the relative both sides of lower mould (22), guide structure (3) structure is for can guide in the waste material frame by the waste material that blanking mechanism (2) cut off slides. Above-mentioned punch press can accomplish the excision of the waste material on the material to utilize the automatic garbage collection to the waste material frame after will excising of guide structure, the blanking course of working of punch press can not be influenced in the process that the waste material was clear away, thereby has guaranteed the machining efficiency of punch press, material resources and process time of using manpower sparingly.

Description

Punching machine

Technical Field

The present disclosure relates to the field of machining equipment, and in particular, to a punch press capable of cutting off and automatically removing waste materials.

Background

Unnecessary waste material on the in-process of production processing product need excision material, in order to obtain the semi-manufactured goods of follow-up processing of being convenient for or obtain final product, the waste material on the material of punch press that can use the blanking mould to install usually in this process is amputated, but current punch press is after the excision waste material, the waste material that drops can stop on the lower mould of punch press, need pause the course of working and artifical waste material to blanking get clear away, this process of clearing away the waste material wastes time and energy, the machining efficiency of greatly reduced punch press, the processing cost is increased.

Disclosure of Invention

The purpose of this disclosure is to provide a punch press to solve the technical problem that exists in the correlation technique.

In order to achieve the above object, the present disclosure provides a punch press, including frame and the blanking mechanism that is used for cutting off the waste material on the material, blanking mechanism includes along the relative mould and the lower mould of cutting off that cut off that set up of punch press from top to bottom, it is fixed in to cut off the lower mould the frame, cut off the mould along movably connect in the upper and lower direction in the frame, the punch press is still including setting up cut off the guide structure of the relative both sides of lower mould and be located the waste material frame of guide structure below, the guide structure be can guide by the waste material that blanking mechanism cut off slides in the waste material frame.

Optionally, the guide structure includes two guide block groups and two guide plates that the guide block group one-to-one set up, cut off the lower mould centre gripping two between the guide block group, the guide plate is located the below of guide block group, the waste material frame is located the below of guide plate, the upper surface of guide block group sets up to follow cut off lower mould slope downwardly extending, the guide plate slope sets up to accept the follow the landing on the guide block group the waste material makes the waste material slides in the waste material frame.

Optionally, the punch press still including connect in the brace table of frame, the guide block group includes first guide block and second guide block, guide block group detachably installs brace table is last, the second guide block is located first guide block with cut off between the lower mould, first guide block is close to one side of second guide block is formed with first wedge, the second guide block is close to one side of first guide block be formed with first wedge complex second wedge, first wedge with the second wedge structure can the second wedge is in when moving down on the first wedge, the drive the second guide block orientation is close to the direction of cutting off the lower mould removes.

Optionally, a first through hole for a first bolt to pass through is formed in the first material guiding block, a first threaded hole for being in threaded connection with the first bolt is formed in the support table, a second through hole for a second bolt to pass through is formed in the second material guiding block, a second threaded hole for being in threaded connection with the second bolt is formed in the support table, and the diameter of the second through hole is larger than that of the second threaded hole.

Optionally, the blanking mechanism further includes a die holder, a telescopic device and a press, the die holder and the supporting platform are arranged at intervals in the vertical direction, the cutting upper die is arranged on the die holder, the telescopic device is connected between the die holder and the supporting platform and used for driving the die holder to move in the vertical direction, and one side of the die holder departing from the cutting upper die is connected with the press.

Optionally, be formed with pan feeding mouth and discharge gate in the frame, cut off the mould and cut off the lower mould and be located the pan feeding mouth with between the discharge gate, the punch press is still including setting up fixture and the setting of pan feeding mouth department are in the supporting mechanism of discharge gate department, fixture is used for the centre gripping the material, supporting mechanism is used for supporting the material.

Optionally, the fixture includes last grip block, lower grip block, last grip block drive arrangement and lower grip block drive arrangement, go up the grip block with lower grip block is followed the upper and lower direction sets up relatively, go up grip block drive arrangement install in the frame and with go up the grip block and connect, it is used for the drive to go up grip block edge the upper and lower direction removes, lower grip block drive arrangement install in the frame and with lower grip block is connected, lower grip block drive arrangement is used for the drive the grip block is followed down the upper and lower direction removes.

Optionally, the clamping mechanism further comprises a first roller, the first roller is rotatably mounted on the lower clamping block and is used for rolling contact with the material, and the first roller is located right below the upper clamping block.

Optionally, the supporting mechanism includes a supporting block and a supporting block driving device, the supporting block is used for supporting the material, the supporting block driving device is installed on the rack and connected with the supporting block, and the supporting block driving device is used for driving the supporting block to move in the up-and-down direction.

Optionally, the support mechanism further comprises a second roller rotatably mounted on the support block and adapted to contact the material roller.

When the punch is used for cutting off waste materials on materials, the materials can be placed between the upper cutting die and the lower cutting die of the blanking mechanism, the upper cutting die moves downwards to be close to the lower cutting die, and the upper cutting die and the lower cutting die play a role in blanking the materials together, so that the waste materials on the materials are cut off. Because the opposite both sides of cutting off the lower mould all are provided with the guide structure, the back is fallen to the guide structure to the waste material that cuts off on the material, can the landing to the waste material frame under the guide effect of guide structure in, accomplishes the process of automatic collection waste material. Above-mentioned punch press can accomplish the excision of the waste material on the material to utilize the automatic garbage collection to the waste material frame after will excising of guide structure, the blanking course of working of punch press can not be influenced in the process that the waste material was clear away, thereby has guaranteed the machining efficiency of punch press, material resources and process time of using manpower sparingly.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a perspective view of a punch press provided in accordance with an exemplary embodiment of the present disclosure;

FIG. 2 is a front view of a punch press provided in an exemplary embodiment of the present disclosure;

FIG. 3 is a cross-sectional view taken along line "A-A" in FIG. 2;

fig. 4 is a perspective view of a blanking mechanism and a guide structure provided in an exemplary embodiment of the present disclosure, in which a press is not shown;

fig. 5 is a front view of a blanking mechanism and a guide structure provided in an exemplary embodiment of the present disclosure, wherein a press is not shown;

FIG. 6 is a cross-sectional view taken along line "B-B" in FIG. 5;

fig. 7 is an enlarged view of a portion C in fig. 6.

Description of the reference numerals

1-a frame; 2-a blanking mechanism; 21-cutting the upper die; 22-cutting off the lower die; 23-die holder; 24-a telescopic device; 25-a press; 3-a material guiding structure; 31-a material guide block group; 311-a first material guide block; 3111-a first wedge-facet; 3112-a first via; 312-a second material guide block; 3121-a second wedge-face; 3122-a second through hole; 32-a material guide plate; 4-supporting the table; 41-a first threaded hole; 42-a second threaded hole; 51-a material inlet; 52-discharge hole; 6-a clamping mechanism; 61-upper clamping block; 62-a lower clamping block; 63-upper clamping block driving means; 64-lower clamping block drive; 65-a first roller; 7-a support mechanism; 71-a support block; 72-support block drive; 73-second roller.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise stated, the terms of orientation such as "upper and lower" are used to refer to the upper and lower parts of the punch press in the working state, specifically, as shown in fig. 1 and 4, "inner and outer" refer to the inner and outer parts of the profile of the relevant component.

As shown in fig. 1 to 7, the present disclosure provides a punch press, including a frame 1 and a blanking mechanism 2 for cutting off waste materials on a material, where the blanking mechanism 2 includes a cutting upper die 21 and a cutting lower die 22 oppositely disposed along an up-down direction of the punch press, the cutting lower die 22 is fixed to the frame 1, the cutting upper die 21 is movably connected to the frame 1 along the up-down direction, the punch press further includes material guiding structures 3 disposed at opposite sides of the cutting lower die 22 and a waste material frame located below the material guiding structures 3, and the material guiding structures 3 are configured to guide the waste materials cut off by the blanking mechanism 2 to slide into the waste material frame.

When the punch press is used to cut the scraps on the material, the material may be placed between the upper cutting die 21 and the lower cutting die 22 of the punching mechanism 2, and the upper cutting die 21 moves downward to be close to the lower cutting die 22, so that the upper cutting die 21 and the lower cutting die 22 together perform a punching function on the material, thereby cutting the scraps on the material. Because the two opposite sides of the cutting lower die 22 are provided with the material guide structures 3, the waste materials cut off on the materials can slide into the waste material frame under the guiding action of the material guide structures 3 after falling onto the material guide structures 3, and the process of automatically collecting the waste materials is completed. Above-mentioned punch press can accomplish the excision of the waste material on the material to utilize guide structure 3 automatic to collect the garbage after the excision to the scrap frame in, the blanking course of working of punch press can not be influenced in the process that the waste material was clear away, thereby has guaranteed the machining efficiency of punch press, material resources and process time of using manpower sparingly.

The guide structure 3 capable of performing the above-described function may have various configurations, and as an exemplary embodiment, the guide structure 3 may include two guide chutes oppositely disposed at both sides of the cutting lower die 22, the guide chutes being configured to enable the waste material to slide in a chute cavity of the guide chute, and one end of the guide chute being connected to a side wall of the cutting lower die 22 and the other end thereof being connected to the waste material frame.

As another exemplary embodiment, as shown in fig. 4 to 7, the material guiding structure 3 may include two material guiding block sets 31 and material guiding plates 32 disposed corresponding to the two material guiding block sets 31 one by one, the cutting lower die 22 is clamped between the two material guiding block sets 31, the material guiding plates 32 are disposed below the material guiding block sets 31, the scrap frames are disposed below the material guiding plates 32, the upper surfaces of the material guiding block sets 31 are disposed to extend obliquely downward from the cutting lower die 22, and the material guiding plates 32 are disposed obliquely to receive the scrap falling from the material guiding block sets 31 and slide the scrap into the scrap frames. In this embodiment, the two material guiding block sets 31 can clamp and fix the cutting lower die 22, so as to facilitate replacement of the cutting lower die 22. After the blanking mechanism 2 cuts off the waste material on the material, the waste material drops to the upper surface of the material guide block group 31 located on the two sides of the cut-off lower die 22, because the upper surface of the material guide block group 31 is set to extend obliquely downwards from the cut-off lower die 22, the waste material slides from the upper surface of the material guide block group 31 to the material guide plate 32 arranged below the material guide block group 31, and because the material guide plate 32 is obliquely arranged, the waste material slides from the material guide plate 32 to the waste material frame, thereby realizing the automatic collection of the waste material.

In order to facilitate the installation of the material guiding block set 31, as shown in fig. 7, the punching machine may further include a supporting table 4 connected to the frame 1, the material guiding block set 31 includes a first material guiding block 311 and a second material guiding block 312, the material guiding block set 31 is detachably installed on the supporting table 4, that is, the first material guiding block 311 and the second material guiding block 312 are both detachably mounted on the support table 4, the second material guiding block 312 is located between the first material guiding block 311 and the cutting lower mold 22, a first wedge-shaped surface 3111 is formed on a side of the first material guiding block 311 close to the second material guiding block 312, a second wedge-shaped surface 3121 matched with the first wedge-shaped surface 3111 is formed on a side of the second material guiding block 312 close to the first material guiding block 311, and the first wedge-shaped surface 3111 and the second wedge-shaped surface 3121 are configured to drive the second material guiding block 312 to move towards a direction close to the cutting lower mold 22 when the second wedge-shaped surface 3121 moves downwards on the first wedge-shaped surface 3111. When the cutting lower die 22 is clamped by the material guide block set 31, the second material guide blocks 312 may be pressed downward, so that the second wedge surface 3121 moves downward on the first wedge surface 3111, thereby driving the second material guide blocks 312 to move toward a direction close to the cutting lower die 22, the second material guide blocks 312 on both sides of the cutting lower die 22 move toward a direction close to the cutting lower die 22, thereby clamping the cutting lower die 22 between the two second material guide blocks 312, and the material guide block set 31 plays a role in clamping and fixing the cutting.

In the above-mentioned embodiment in which the second material guiding blocks 312 are detachably connected to the supporting table 4, when both the second material guiding blocks 312 are pressed down, the lower cutting die 22 can be clamped, and when both the second material guiding blocks 312 are moved up, the distance between the two second material guiding blocks 312 is increased and the clamping action on the lower cutting die 22 is released, so that the lower cutting die 22 can be unloaded from the supporting table 4. In order to facilitate the detachment of the first material guiding block 311 and the second material guiding block 312 by an operator in the process of attaching and detaching the cutting lower die 22, optionally, a first through hole 3112 for a first bolt to pass through may be formed on the first material guiding block 311, a first threaded hole 41 for threaded connection with the first bolt may be formed on the support table 4, a second through hole 3122 for a second bolt to pass through may be formed on the second material guiding block 312, a second threaded hole 42 for threaded connection with the second bolt may be formed on the support table 4, and a diameter of the second through hole 3122 is greater than a diameter of the second threaded hole 42. The first material guiding block 311 is fixedly connected to the supporting table 4 through bolt connection, the second bolt passes through the second through hole 3122 of the second material guiding block 312 and is screwed into the second threaded hole 42 of the supporting table 4, when the second bolt is screwed into the second threaded hole 42, the second bolt can drive the second material guiding block 312 to move downwards together, and due to the fact that the diameter of the second through hole 3122 is larger than that of the second threaded hole 42, the second material guiding block 312 can move towards the direction close to the cutting lower die 22 relative to the second bolt, and therefore clamping effect on the cutting lower die 22 is achieved. When the operator unloads the cutting lower die 22, the second bolt can be unscrewed from the second threaded hole 42, and the second material guide block 312 moves upwards to release the clamping effect on the cutting lower die 22, so that the operation process is simple and convenient.

In order to connect the cutting upper die 21 to the frame 1 movably in the up-down direction, the blanking mechanism 2 may further include a die holder 23, a telescopic device 24, and a press 25, wherein the die holder 23 and the support 4 are arranged at an interval in the up-down direction, the cutting upper die 21 is arranged on the die holder 23, the telescopic device 24 is connected between the die holder 23 and the support 4 and is configured to drive the die holder 23 to move in the up-down direction, and a side of the die holder 23 away from the cutting upper die 21 is connected to the press 25. In the process of cutting off the scraps by using the above-mentioned blanking mechanism 2, the telescopic device 24 can drive the die holder 23 to move downward, so that the cutting upper die 21 located on the die holder 23 moves toward the cutting lower die 22 located on the support table 4, and the press 25 can provide downward pressure to the cutting lower die 22, so as to ensure that the cutting upper die 21 and the cutting lower die 22 jointly cut off the materials.

In order to move the material between the upper cutting die 21 and the lower cutting die 22 and fix the material during the process of cutting the waste material, so as to facilitate the upper cutting die 21 and the lower cutting die 22 to cut the waste material, as shown in fig. 3, optionally, a feeding port 51 and a discharging port 52 may be further formed on the frame 1, and the upper cutting die 21 and the lower cutting die 22 are located between the feeding port 51 and the discharging port 52. In this way, material can be moved through the inlet 51 between the upper and lower cutting dies 21, 22 and out through the outlet 52. The punch press can further comprise a clamping mechanism 6 arranged at the feeding port 51 and a supporting mechanism 7 arranged at the discharging port 52, wherein the clamping mechanism 6 can be used for clamping materials, and the supporting mechanism 7 is used for supporting the materials. When cutting off the waste material on the material, can place the material earlier and cut off mould 21 and cut off between the lower mould 22, the fixture 6 that sets up in pan feeding mouth 51 department can the centre gripping material and play the fixed action, and the supporting mechanism 7 that sets up in discharge gate 52 department can play the supporting role to the material to guarantee can be in fixed position cutting off the in-process material of waste material, prevent that the material from producing rocking and damaging cutting off the in-process.

The clamping mechanism 6, which is capable of clamping the material, may have a variety of configurations, as an exemplary embodiment, as shown in fig. 1 to 3, the clamping mechanism 6 may include an upper clamping block 61, a lower clamping block 62, an upper clamping block driving device 63, and a lower clamping block driving device 64, the upper clamping block 61 and the lower clamping block 62 being disposed opposite to each other in the up-down direction, the upper clamping block driving device 63 being mounted on the frame 1 and connected to the upper clamping block 61, the upper clamping block driving device 63 being configured to drive the upper clamping block 61 to move in the up-down direction, the lower clamping block driving device 64 being mounted on the frame 1 and connected to the lower clamping block 62, the lower clamping block driving device 64 being configured to drive the lower clamping block 62 to move in the up-down direction, to adjust the height of the lower clamp block 62, so that the lower clamp block 62 is flush with the cutting lower die 22, thereby ensuring that the material on the lower clamp block 62 can be stably placed between the cutting lower die 22 and the cutting upper die 21. The upper clamping block driving device 63 is used for driving the upper clamping block 61 to move up and down, and adjusting the distance between the upper clamping block 61 and the lower clamping block 62 to clamp the material, so that the material is fixed. In other embodiments, the gripping mechanism 6 may also be a gripper, a robot, or the like.

When the waste materials on a plurality of positions of the materials need to be cut off, the relative position between the materials and the blanking mechanism 2 needs to be adjusted, and as the clamping mechanism 6 plays a role in clamping and fixing the materials, in order to facilitate the movement of the materials relative to the clamping mechanism 6, optionally, the clamping mechanism 6 can further comprise a first roller 65, the first roller 65 is rotatably installed on the lower clamping block 62 and used for being in rolling contact with the materials, and the first roller 65 is positioned right below the upper clamping block 61. In the process of continuously cutting off the material, because the first roller 65 is rotatably mounted on the lower clamping block 62, the material on the first roller 65 can rotate along the rotating direction of the first roller 65, so that the relative position between the material and the blanking mechanism 2 is adjusted to cut off the waste material at different positions of the material.

In order to enable the height of the support mechanism 7 to be adjusted according to the height of the cutting lower die 22, as shown in fig. 3, the support mechanism 7 may alternatively include a support block 71 and a support block driving device 72, the support block 71 is used for supporting the material, the support block driving device 72 is mounted on the frame 1 and connected to the support block 71, and the support block driving device 72 is used for driving the support block 71 to move in the up-down direction, so that the height of the support block 71 can be adjusted, and the support block 71 can more stably support the material.

In order to facilitate the movement of the material on the support means 7 when it is desired to adjust the relative position between the material and the blanking mechanism 2, the support means 7 may optionally further comprise a second roller 73, as shown in fig. 3, the second roller 73 being rotatably mounted on the support block 71 and adapted to contact the material roller. The material on the second roller 73 can be rotated in the direction of rotation of the second roller 73 to adjust the relative position between the material and the blanking mechanism 2 to cut waste material at different positions of the material.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. The utility model provides a punch press, its characterized in that includes frame (1) and blanking mechanism (2) that are used for cutting off the waste material on the material, blanking mechanism (2) are including cutting off last mould (21) and cutting off lower mould (22) that set up relatively along the upper and lower direction of punch press, cut off lower mould (22) and be fixed in frame (1), cut off last mould (21) and follow movably connect in upper and lower direction frame (1), the punch press is still including setting up cut off guide structure (3) of lower mould (22) both sides relatively and be located the waste material frame of guide structure (3) below, guide structure (3) structure is for can the guide by the waste material that blanking mechanism (2) cut off slides in the waste material frame.

2. The punching machine according to claim 1, wherein the material guiding structure (3) comprises two material guiding block groups (31) and material guiding plates (32) corresponding to the two material guiding block groups (31), the cutting lower die (22) is clamped between the two material guiding block groups (31), the material guiding plates (32) are located below the material guiding block groups (31), the waste material frame is located below the material guiding plates (32), the upper surfaces of the material guiding block groups (31) are arranged to extend obliquely downward from the cutting lower die (22), and the material guiding plates (32) are arranged obliquely to receive the waste material sliding down from the material guiding block groups (31) and slide the waste material into the waste material frame.

3. A press according to claim 2, further comprising a support table (4) connected to the frame (1), wherein the block set (31) comprises a first block (311) and a second block (312), wherein the block set (31) is detachably mounted on the support table (4), wherein the second block (312) is located between the first block (311) and the lower cutting die (22), wherein a side of the first block (311) adjacent to the second block (312) is formed with a first wedge surface (3111), wherein a side of the second block (312) adjacent to the first block (311) is formed with a second wedge surface (3121) cooperating with the first wedge surface (3111), wherein the first wedge surface (3111) and the second wedge surface (3121) are configured to be able to move downwards on the first wedge surface (3111) at the second wedge surface (3121), the second material guide block (312) is driven to move towards the direction close to the cutting lower die (22).

4. The punching machine according to claim 3, wherein a first through hole (3112) for a first bolt to pass through is formed on the first guide block (311), a first threaded hole (41) for a threaded connection with the first bolt is formed on the support table (4), a second through hole (3122) for a second bolt to pass through is formed on the second guide block (312), a second threaded hole (42) for a threaded connection with the second bolt is formed on the support table (4), and the diameter of the second through hole (3122) is larger than that of the second threaded hole (42).

5. The punching machine according to claim 3, wherein the punching mechanism (2) further comprises a die holder (23), a telescoping device (24) and a press (25), the die holder (23) and the support table (4) are arranged at an interval along the up-down direction, the cutting upper die (21) is arranged on the die holder (23), the telescoping device (24) is connected between the die holder (23) and the support table (4) and used for driving the die holder (23) to move along the up-down direction, and one side of the die holder (23) facing away from the cutting upper die (21) is connected with the press (25).

6. The punching machine according to any one of claims 1-5, wherein a feeding port (51) and a discharging port (52) are formed on the frame (1), the upper cutting die (21) and the lower cutting die (22) are located between the feeding port (51) and the discharging port (52), the punching machine further comprises a clamping mechanism (6) arranged at the feeding port (51) and a supporting mechanism (7) arranged at the discharging port (52), the clamping mechanism (6) is used for clamping the material, and the supporting mechanism (7) is used for supporting the material.

7. The punching machine according to claim 6, wherein the clamping mechanism (6) comprises an upper clamping block (61), a lower clamping block (62), an upper clamping block driving device (63) and a lower clamping block driving device (64), the upper clamping block (61) and the lower clamping block (62) are oppositely arranged along the up-down direction, the upper clamping block driving device (63) is installed on the frame (1) and connected with the upper clamping block (61), the upper clamping block driving device (63) is used for driving the upper clamping block (61) to move along the up-down direction, the lower clamping block driving device (64) is installed on the frame (1) and connected with the lower clamping block (62), and the lower clamping block driving device (64) is used for driving the lower clamping block (62) to move along the up-down direction.

8. The punching machine according to claim 7, wherein the clamping mechanism (6) further comprises a first roller (65), the first roller (65) being rotatably mounted on the lower clamping block (62) and being adapted to be in rolling contact with the material, the first roller (65) being located directly below the upper clamping block (61).

9. The punching machine according to claim 6, wherein the supporting mechanism (7) comprises a supporting block (71) and a supporting block driving device (72), the supporting block (71) is used for supporting the material, the supporting block driving device (72) is installed on the frame (1) and connected with the supporting block (71), and the supporting block driving device (72) is used for driving the supporting block (71) to move along the up-and-down direction.

10. The punching machine according to claim 9, wherein said support mechanism (7) further comprises a second roller (73), said second roller (73) being rotatably mounted on said support block (71) and adapted to contact said material roller.