Punch press plate feeding device

Abstract

The utility model relates to a plate feeding device of a punching machine, and belongs to the field of plate processing. The plate bearing mechanism, the plate conveying mechanism, the plate pushing mechanism, the plate clamping mechanism and the plate bearing plate are arranged on the bearing table; a plate discharging mechanism; a punch assembly; the plate bearing mechanism is used for bearing plates; and the plate conveying mechanism is arranged on one side of the plate bearing mechanism and used for conveying the plates on the plate bearing mechanism to the plate bearing plate. A plurality of plates are orderly placed on the plate bearing mechanism, then the plates on the plate bearing mechanism are conveyed to the plate bearing plate through the plate conveying mechanism, the plates on the plate bearing plate are clamped and positioned through the plate clamping mechanism, and then the plates are pushed to move towards the punching machine assembly through the plate pushing mechanism. When the punching machine assembly machines a moving plate, the plate discharging mechanism can drag the plate located on the punching machine assembly, and discharging is completed after the plate is machined.

Description

Technical Field

[0001] The utility model relates to the technical field of plate processing, in particular to a punch plate feeding device. Background Art

[0002] A punch press is a stamping press. In mechanical processing production, the stamping process is a relatively traditional mechanical processing method. The punch processing technology has the characteristics of saving materials and energy and high efficiency, and the stamping process does not require high technical skills from the operator. The punch press can process products that other mechanical equipment cannot process by applying various molds. Therefore, its use is becoming more and more extensive. At present, most of the feeding to the punch press is done manually.

[0003] Chinese Patent Publication No.: (CN210756882U) The sheet punch feeding device mainly includes a conveying roller, which is fixedly connected to a lower support frame, a power input end of the conveying roller is electrically connected to a power output end of a motor through gears, belts and a transmission shaft, the top of the lower support frame is connected to an upper support frame through a plurality of electric telescopic rods, the upper support frame is located at the top of the conveying roller, the top of the conveying roller is connected to a metal sheet, the metal sheet is connected to a sand plate, a sand plate is fixedly connected to the bottom of the upper support frame, and blow pipes are fixedly installed on both sides of the upper support frame. The utility model has a high degree of automation and does not require manual feeding. The sand plate can grind off the barbs and edges on the top of the metal sheet during transportation, the blow pipe accelerates heat dissipation, and can also automatically clean up grinding waste, which is very convenient.

[0004] The applicant has found through searching that the above patent still has certain deficiencies. For example, the above patent cannot clamp and position the plate when loading the plate, which makes it easy for the plate to be displaced during the loading process, resulting in errors in the plate processing. After the plate is processed, the processed plate cannot be unloaded, and the processing efficiency is low. Therefore, a punch plate feeding device is proposed to solve the above problems. Utility Model Content

[0005] In view of one or more of the above defects or improvement requirements of the prior art, the utility model provides a punch plate feeding device, which has the advantage of improving efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a punch plate feeding device comprises: a bearing platform; a plate bearing mechanism, a plate transport mechanism, a plate pushing mechanism, a plate clamping mechanism and a plate bearing plate arranged on the bearing platform; a plate unloading mechanism; a punch assembly;

[0007] The plate bearing mechanism is used to bear the plate; the plate transport mechanism is arranged on one side of the plate bearing mechanism and is used to transport the plate on the plate bearing mechanism to the plate bearing plate;

[0008] The plate pushing mechanism is connected to the plate carrying plate and is used to push the plate on the plate carrying plate onto the punch assembly; the plate clamping mechanism is connected to the plate carrying plate and is used to position the plate on the plate carrying plate; the plate carrying plate is used to carry the plate;

[0009] The punch assembly is arranged at one end of the supporting platform and is used for processing the plate; the plate unloading mechanism is arranged on the punch assembly and is used for driving the plate being processed on the punch assembly to move so that the processed plate can be unloaded.

[0010] As a further improvement of the utility model, the plate bearing mechanism comprises: a plate feeding plate, a gear, a first pushing cylinder, a slide plate and a gear block;

[0011] A plate loading plate is rotatably disposed on the upper end surface of the carrying platform, and the rotating shaft extends to the lower end of the carrying platform, and is used to carry the plate;

[0012] A gear, which is arranged on the rotating shaft of the sheet material feeding plate;

[0013] The first push cylinder is arranged on the lower end surface of the bearing platform; the slide plate is slidably arranged on the lower end surface of the bearing platform and is connected to the output end of the first push cylinder, and the slide plate can be driven to move by the first push cylinder;

[0014] The tooth block is arranged on the slide plate and is connected with the gear between the gears.

[0015] As a further improvement of the present invention, the upper end surface of the sheet material loading plate is provided with: a partition; the number of the partitions is several, and they are arranged in the middle section of the upper end surface of the sheet material loading plate, so that the sheet material loading plate can be divided into two sections, and the sheets are placed on both sides of the partition, respectively, and are symmetrically distributed on the left and right.

[0016] As a further improvement of the utility model, the plate transport mechanism comprises: a support frame, a lateral drive device, a drive cylinder and a vacuum adsorption device;

[0017] The support frame is arranged on the bearing platform and is located between the plate feeding plate and the plate bearing plate; the transverse driving device is arranged on the upper end of the support frame and is used to drive the plate to move transversely;

[0018] A driving cylinder is provided on the transverse driving device and is used to drive the plate to move up and down;

[0019] The vacuum adsorption device is arranged on the lower end surface of the driving cylinder and is used for vacuum adsorption of the plate so that the vacuum adsorption device and the plate are fixed.

[0020] As a further improvement of the utility model, the plate pushing mechanism comprises: a second pushing cylinder, a slide rail and a pushing block;

[0021] The second push cylinder and the slide rail are both arranged on the bearing platform. The second push cylinder is located at one end of the slide rail. The slide rail is located at the lower end surface of the sheet material bearing plate. The length of the slide rail is consistent with the length of the sheet material bearing plate.

[0022] The pushing block is arranged at the output end of the second pushing cylinder and is slidably connected to the slide rail. The upper end of the pushing block extends to the upper end surface of the plate bearing plate and is used to push the plate to move.

[0023] As a further improvement of the utility model, the plate clamping mechanism comprises: a third pushing cylinder, a pushing member and a clamping block;

[0024] The third push cylinder is arranged on the bearing platform and is located on a side of the plate bearing plate away from the plate loading plate;

[0025] A pushing member is slidably disposed on the bearing platform and connected to the output end of the third pushing cylinder;

[0026] The clamping block is arranged on the pushing member, and the upper end of which is slidably arranged on the upper end surface of the plate bearing plate, and is used for clamping and positioning the plate.

[0027] As a further improvement of the utility model, the plate bearing plate is provided with a first sliding groove for the pushing block to slide and a second sliding groove for the clamping block to slide.

[0028] As a further improvement of the utility model, the plate unloading mechanism comprises: a driving motor, a fixed block, a first rotating drum, two sliding blocks, a second rotating drum and two fourth pushing cylinders;

[0029] The driving motor is arranged on the punch assembly; the number of the fixing blocks is set to two, both of which are arranged on the punch assembly;

[0030] The first rotating drum is rotatably disposed between the two fixed blocks, and one end of the first rotating drum is connected to the output end of the driving motor;

[0031] Two sliding blocks are respectively arranged inside the two fixed blocks and can slide up and down;

[0032] The second rotating drum has two ends which are rotatably connected to the two sliders;

[0033] The two fourth push cylinders are respectively arranged at the upper ends of the two fixed blocks, and the output ends are connected to the sliders, so as to drive the sliders to slide up and down inside the fixed blocks.

[0034] In general, compared with the prior art, the above technical solutions conceived by the utility model have the following beneficial effects:

[0035] The utility model places most of the plates neatly on the plate carrying mechanism, then transports the plates on the plate carrying mechanism to the plate carrying plate by the plate transport mechanism, clamps and positions the plates on the plate carrying plate by the plate clamping mechanism, and then pushes the plates to move toward the punch assembly by the plate pushing mechanism. When the punch assembly processes the moving plates, the plate unloading mechanism can drag the plates on the punch assembly to complete the unloading after the plates are processed. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a schematic diagram of the structure of the utility model;

[0037] Figure 2 This is a schematic diagram of the structure of the plate bearing mechanism of the utility model;

[0038] Figure 3 This is a schematic diagram of the structure of the plate transport mechanism of the utility model;

[0039] Figure 4 It is a structural schematic diagram of the plate blanking mechanism of the utility model.

[0040] In all the drawings, the same figure numbers represent the same technical features, specifically: 1. supporting platform; 2. plate supporting mechanism; 21. plate loading plate; 211. partition; 22. gear; 23. first push cylinder; 24. slide plate; 25. gear block; 3. plate transport mechanism; 31. support frame; 32. transverse drive device; 33. drive cylinder; 34. vacuum adsorption device; 4. plate pushing mechanism; 41. second push cylinder; 42. slide rail; 43. push block; 5. plate clamping mechanism; 51. third push cylinder; 52. push member; 53. clamping block; 6. plate supporting plate; 61. first slide groove; 62. second slide groove; 7. plate unloading mechanism; 71. drive motor; 72. fixed block; 73. first rotating drum; 74. slider; 75. second rotating drum; 76. fourth push cylinder; 8. punch assembly. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0042] In the embodiment, Figure 1A punching machine sheet feeding device is provided, which may optionally include but is not limited to: a carrying platform 1; a sheet carrying mechanism 2, a sheet transporting mechanism 3, a sheet pushing mechanism 4, a sheet clamping mechanism 5 and a sheet carrying plate 6 arranged on the carrying platform 1; a sheet unloading mechanism 7; and a punching machine assembly 8;

[0043] The sheet material carrying mechanism 2 is used to carry the sheet material; the sheet material transporting mechanism 3 is arranged on one side of the sheet material carrying mechanism 2 and is used to transport the sheet material on the sheet material carrying mechanism 2 to the sheet material carrying plate 6;

[0044] The sheet pushing mechanism 4 is connected to the sheet carrying plate 6 and is used to push the sheet on the sheet carrying plate 6 onto the punch assembly 8; the sheet clamping mechanism 5 is connected to the sheet carrying plate 6 and is used to position the sheet on the sheet carrying plate 6; the sheet carrying plate 6 is used to carry the sheet;

[0045] The punch assembly 8 is disposed at one end of the support platform 1 and is used for processing the plate; the plate unloading mechanism 7 is disposed on the punch assembly 8 and is used for driving the plate being processed on the punch assembly 8 to move so that the processed plate can be unloaded.

[0046] In this embodiment, a punch plate feeding device of the utility model is provided, which places most plates neatly on the plate carrying mechanism 2, then transports the plates on the plate carrying mechanism 2 to the plate carrying plate 6 by the plate transport mechanism 3, clamps and positions the plates on the plate carrying plate 6 by the plate clamping mechanism 5, and then pushes the plates to move toward the punch assembly 8 by the plate pushing mechanism 4. When the punch assembly 8 processes the moving plates, the plate unloading mechanism 7 can drag the plates on the punch assembly 8 to complete the unloading after the plates are processed.

[0047] Specifically, when the plate transport mechanism 3 transports a plate to the plate carrier plate 6, after the plate is processed by the punch assembly 8, the plate transport mechanism 3 will continue to transport the next plate to the plate carrier plate 6, so that it can work in a cycle. Through mechanized loading and unloading, it replaces the manual movement of the plates to the workbench, greatly improving work efficiency, reducing the cost of manual operation, and avoiding some dangers of manual operation to a large extent.

[0048] 1. Plate bearing mechanism 2

[0049] Preferably, Figure 2 As shown, the plate carrying mechanism 2 may optionally include but is not limited to: a plate feeding plate 21, a gear 22, a first push cylinder 23, a slide plate 24 and a gear block 25;

[0050] The plate loading plate 21 is rotatably disposed on the upper end surface of the carrying platform 1, and the rotating shaft extends to the lower end of the carrying platform 1, and is used to carry the plate;

[0051] The gear 22 is arranged on the rotating shaft of the sheet material feeding plate 21;

[0052] The first push cylinder 23 is disposed on the lower end surface of the carrier platform 1; the slide plate 24 is slidably disposed on the lower end surface of the carrier platform 1 and is connected to the output end of the first push cylinder 23, and the slide plate 24 can be driven to move by the first push cylinder 23;

[0053] The gear block 25 is disposed on the slide plate 24 and is gear-connected to the gear 22 .

[0054] More preferably, Figure 3 As shown, the upper end surface of the sheet material loading plate 21 may optionally be provided with, but not limited to, a partition 211; the number, placement shape, size, etc. of the partition 211 may be arbitrarily set by a person skilled in the art. For example, the number of the partitions 211 is several and they are provided in the middle section of the upper end surface of the sheet material loading plate 21, so that the sheet material loading plate 21 can be divided into two sections, and the sheets are placed on both sides of the partition 211, respectively, in a left-right symmetrical distribution.

[0055] In this embodiment, multiple specific embodiments of the plate carrying mechanism 2 are given. Multiple plates can be placed through the plate loading plate 21, and the plates are placed symmetrically on the left and right through the partition 211, and the plates are placed in a stacked manner on the plate loading plate 21. After the plate transportation mechanism 3 transports the plates on the plate loading plate 21, when the plates on one side of the partition 211 on the plate loading plate 21 are transported, the first pushing cylinder 23 can be driven to push the slide plate 24 and the gear block 25 to move. Through the gear connection between the gear block 25 and the gear 22, it drives the gear 22 and the plate loading plate 21 to rotate, thereby rotating the plate on the other side of the partition 211 one hundred and eighty degrees, so that the plates continue to be transported, and the other side can be loaded and placed on the plate loading plate 21.

[0056] 2. Plate transport mechanism 3

[0057] Preferably, Figure 3 As shown, the plate transport mechanism 3 may optionally include but is not limited to: a support frame 31, a lateral drive device 32, a drive cylinder 33 and a vacuum adsorption device 34;

[0058] The support frame 31 is disposed on the support platform 1 and is located between the plate loading plate 21 and the plate loading plate 6; the transverse driving device 32 is disposed on the upper end of the support frame 31 and is used to drive the plate to move transversely;

[0059] The driving cylinder 33 is provided on the transverse driving device 32 and is used to drive the plate to move up and down;

[0060] The vacuum adsorption device 34 is arranged on the lower end surface of the driving cylinder 33 and is used for vacuum adsorption of the plate so that the vacuum adsorption device 34 and the plate are fixed.

[0061] In this embodiment, a specific embodiment of the plate transport mechanism 3 is given, in which the plate on the plate loading plate 21 is adsorbed by the vacuum adsorption device 34 so that the plate and the vacuum adsorption device 34 are fixed, and then the vacuum adsorption device 34 and the adsorbed plate are driven upward by the driving cylinder 33, and the plate is driven to move horizontally by the transverse driving device 32, so as to be transported to the top of the plate supporting plate 6, and then the driving cylinder 33 is driven to move the vacuum adsorption device 34 and the plate downward. When the plate is placed on the surface of the plate supporting plate 6, the adsorption of the plate by the vacuum adsorption device 34 is cancelled, so that the plate is placed on the plate supporting plate 6.

[0062] 3. Plate pushing mechanism 4

[0063] Preferably, Figure 3 As shown, the plate pushing mechanism 4 may optionally include but is not limited to: a second pushing cylinder 41, a slide rail 42 and a pushing block 43;

[0064] The second push cylinder 41 and the slide rail 42 are both arranged on the bearing platform 1. The second push cylinder 41 is located at one end of the slide rail 42. The slide rail 42 is located at the lower end surface of the sheet material bearing plate 6. The length of the slide rail 42 is consistent with the length of the sheet material bearing plate 6.

[0065] The pushing block 43 is disposed at the output end of the second pushing cylinder 41 and is slidably connected to the slide rail 42. The upper end of the pushing block 43 extends to the upper end surface of the plate bearing plate 6 to push the plate to move.

[0066] 4. Plate clamping mechanism 5

[0067] Preferably, Figure 3 As shown, the plate clamping mechanism 5 may optionally include but is not limited to: a third pushing cylinder 51, a pushing member 52 and a clamping block 53;

[0068] The third push cylinder 51 is disposed on the carrying platform 1 and is located on a side of the sheet material carrying plate 6 away from the sheet material loading plate 21;

[0069] The pushing member 52 is slidably disposed on the supporting platform 1 and connected to the output end of the third pushing cylinder 51;

[0070] The clamping block 53 is disposed on the pushing member 52 , and the upper end of the clamping block 53 is slidably disposed on the upper end surface of the plate-carrying plate 6 , so as to clamp and position the plate.

[0071] 5. Plate bearing plate 6

[0072] Preferably, Figure 3 As shown, the sheet material support plate 6 may optionally but not limited to be provided with a first sliding groove 61 for the push block 43 to slide and a second sliding groove 62 for the clamping block 53 to slide.

[0073] 6. Plate unloading mechanism 7

[0074] Preferably, Figure 4 As shown, the plate unloading mechanism 7 may optionally include but is not limited to: a driving motor 71, a fixing block 72, a first rotating drum 73, two sliding blocks 74, a second rotating drum 75 and two fourth pushing cylinders 76;

[0075] The driving motor 71 is arranged on the punch assembly 8; the fixing blocks 72 are provided in two numbers and are both arranged on the punch assembly 8;

[0076] The first rotating drum 73 is rotatably disposed between the two fixed blocks 72, and one end of the first rotating drum is connected to the output end of the driving motor 71;

[0077] Two sliding blocks 74 are respectively disposed inside the two fixed blocks 72 and can slide up and down;

[0078] The second rotating drum 75 has two ends rotatably connected to the two sliders 74;

[0079] The two fourth push cylinders 76 are respectively disposed at the upper ends of the two fixed blocks 72 , and the output ends are connected to the slider 74 , so as to drive the slider 74 to slide up and down inside the fixed block 72 .

[0080] In this embodiment, a specific embodiment of a punch plate feeding device of the present invention is given, and multiple plates can be placed through the plate loading plate 21, and the plates are placed symmetrically on the left and right through the partition 211, and the plates are placed on the plate loading plate 21 in a stacked manner. After the plate transportation mechanism 3 transports the plates on the plate loading plate 21, when the plates on one side of the partition 211 on the plate loading plate 21 are transported, the first pushing cylinder 23 can be driven to push the slide plate 24 and the tooth block 25 to move, and the gear block 25 is connected to the gear 22 through the gear block 25, so that the gear 22 and the plate loading plate 21 are driven to rotate, thereby rotating the plate on the other side of the partition 211 by 180 degrees. , so that the plate continues to be transported, while the other side can be loaded, the plate is placed on the plate loading plate 21, and then the plate on the plate loading plate 21 is adsorbed by the vacuum adsorption device 34, so that the plate and the vacuum adsorption device 34 are fixed, and then the vacuum adsorption device 34 and the adsorbed plate are driven to move upward by the driving cylinder 33, and the plate is driven to move horizontally by the horizontal driving device 32, so as to be transported to the top of the plate carrying plate 6, and then the driving cylinder 33 is driven to move the vacuum adsorption device 34 and the plate downward. When the plate is placed on the surface of the plate carrying plate 6, the adsorption of the plate by the vacuum adsorption device 34 is cancelled, so that the plate is placed on the plate carrying plate 6;

[0081] When the plate is placed on the plate carrier plate 6, the third pushing cylinder 51 drives the pushing member 52 and the clamping block 53 to move, and the plate on the plate carrier plate 6 is clamped and positioned by the clamping block 53, and then the second pushing cylinder 41 drives the pushing block 43 to slide on the slide rail 42, and the positioned plate is pushed by the pushing block 43, so that it is pushed onto the punch assembly 8, and the plate is processed by the punch assembly 8. During the processing, the other end of the plate will move between the second rotating drum 75 and the first rotating drum 73. When the fourth pushing cylinder 76 is driven, the sliding block 74 and the second rotating drum 75 can be pushed downward to clamp one end of the plate, and at the same time, the driving motor 71 is driven to drive the first rotating drum 73 to rotate, so that the plate can be driven to transmit between the first rotating drum 73 and the second rotating drum 75, so that it drags the plate at the other end of the plate, so that after the plate processing is completed, the plate is unloaded through the first rotating drum 73 and the second rotating drum 75.

[0082] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0083] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A punch plate feeding device, characterized in that: include: A carrying platform (1); a plate carrying mechanism (2), a plate transporting mechanism (3), a plate pushing mechanism (4), a plate clamping mechanism (5) and a plate carrying plate (6) arranged on the carrying platform (1); a plate unloading mechanism (7); and a punch assembly (8); A plate bearing mechanism (2) is used to bear the plate; a plate transport mechanism (3) is arranged on one side of the plate bearing mechanism (2) and is used to transport the plate on the plate bearing mechanism (2) to the plate bearing plate (6); The plate pushing mechanism (4) is connected to the plate carrying plate (6) and is used to push the plate on the plate carrying plate (6) onto the punch assembly (8); the plate clamping mechanism (5) is connected to the plate carrying plate (6) and is used to position the plate on the plate carrying plate (6); the plate carrying plate (6) is used to carry the plate; The punch assembly (8) is arranged at one end of the support platform (1) and is used for processing the plate; the plate unloading mechanism (7) is arranged on the punch assembly (8) and is used for driving the plate being processed on the punch assembly (8) to move so that the processed plate can be unloaded.

2. The punch plate feeding device according to claim 1, characterized in that: The plate bearing mechanism (2) comprises: a plate feeding plate (21), a gear (22), a first pushing cylinder (23), a slide plate (24) and a gear block (25); A plate material loading plate (21) is rotatably arranged on the upper end surface of the carrying platform (1), and the rotating shaft extends to the lower end of the carrying platform (1), and is used to carry the plate material; A gear (22) is arranged on the rotating shaft of the sheet material feeding plate (21); A first push cylinder (23) is disposed on the lower end surface of the carrier platform (1); a slide plate (24) is slidably disposed on the lower end surface of the carrier platform (1) and is connected to the output end of the first push cylinder (23), and the slide plate (24) can be driven to move by the first push cylinder (23); The tooth block (25) is arranged on the slide plate (24) and is gear-connected with the gear (22).

3. The punch plate feeding device according to claim 2, characterized in that: The upper end surface of the plate material loading plate (21) is provided with a separator (211); the separators (211) are in a plurality and are arranged in the middle section of the upper end surface of the plate material loading plate (21), so that the plate material loading plate (21) can be divided into two sections, and the plates are placed on both sides of the separators (211) respectively, in a left-right symmetrical distribution.

4. The punch plate feeding device according to claim 1, characterized in that: The plate transport mechanism (3) comprises: a support frame (31), a transverse drive device (32), a drive cylinder (33) and a vacuum adsorption device (34); A support frame (31) is arranged on the support platform (1) and is located between the plate material loading plate (21) and the plate supporting plate (6); a transverse driving device (32) is arranged on the upper end of the support frame (31) and is used to drive the plate to move transversely; A driving cylinder (33) is provided on the transverse driving device (32) and is used to drive the plate to move up and down; The vacuum adsorption device (34) is arranged on the lower end surface of the driving cylinder (33) and is used for vacuum adsorption of the plate so that the vacuum adsorption device (34) and the plate are fixed.

5. The punch plate feeding device according to claim 1, characterized in that: The plate pushing mechanism (4) comprises: a second pushing cylinder (41), a slide rail (42) and a pushing block (43); The second pushing cylinder (41) and the slide rail (42) are both arranged on the bearing platform (1), the second pushing cylinder (41) is located at one end of the slide rail (42), the slide rail (42) is located at the lower end surface of the sheet material bearing plate (6), and the length of the slide rail (42) is consistent with the length of the sheet material bearing plate (6); The pushing block (43) is arranged at the output end of the second pushing cylinder (41) and is slidably connected to the slide rail (42). The upper end of the pushing block (43) extends to the upper end surface of the plate bearing plate (6) and is used to push the plate to move.

6. The punch plate feeding device according to claim 1, characterized in that: The plate clamping mechanism (5) comprises: a third pushing cylinder (51), a pushing member (52) and a clamping block (53); A third pushing cylinder (51) is disposed on the supporting platform (1) and is located on a side of the sheet material supporting plate (6) away from the sheet material loading plate (21); A pushing member (52) is slidably disposed on the supporting platform (1) and is connected to the output end of the third pushing cylinder (51); The clamping block (53) is arranged on the pushing member (52), and the upper end of the clamping block (53) is slidably arranged on the upper end surface of the plate bearing plate (6), and is used for clamping and positioning the plate.

7. The punch plate feeding device according to claim 6, characterized in that: The plate bearing plate (6) is provided with a first sliding groove (61) for the pushing block (43) to slide and a second sliding groove (62) for the clamping block (53) to slide.

8. The punch plate feeding device according to claim 1, characterized in that: The plate material unloading mechanism (7) comprises: a driving motor (71), a fixing block (72), a first rotating drum (73), two sliding blocks (74), a second rotating drum (75) and two fourth pushing cylinders (76); A driving motor (71) is arranged on the punch assembly (8); two fixing blocks (72) are arranged on the punch assembly (8); A first rotating drum (73) is rotatably disposed between the two fixed blocks (72), and one end of the first rotating drum is connected to the output end of the driving motor (71); Two sliding blocks (74) are respectively arranged inside the two fixed blocks (72) and can slide up and down; The second rotating drum (75) has two ends which are rotatably connected to the two sliders (74); Two fourth push cylinders (76) are respectively arranged at the upper ends of the two fixed blocks (72), and the output ends are connected to the slider (74) for driving the slider (74) to slide up and down inside the fixed block (72).

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