CN117415887A - Hydraulic punching machine and punching process - Google Patents

Abstract

The invention discloses a hydraulic punching machine and a punching process, which belong to the technical field of hydraulic punching equipment, and comprise a machine body and a punching panel arranged on the top of the machine body; the support frame is arranged on the surface of the machine body; the positioning components are arranged on two sides of the top of the punching panel and used for fixing products; the machine frame is arranged above the punching panel and is movably arranged with the supporting frame through a moving component; the telescopic ends of the hydraulic cylinders penetrate through the stand and extend to the inner cavity of the stand; the hydraulic punching machine disclosed by the invention has the advantages that the cutter is a combination of the fixed cutter and the bendable cutter, the linear punching can be realized, the chamfering punching can be also realized on a product, the punching mode is flexible, the maximum bending angle of the bendable cutter is ninety degrees, the using angle of the bendable cutter can be randomly adjusted within the ninety degrees, and the use is flexible.

Description

Hydraulic punching machine and punching process

Technical Field

The invention belongs to the technical field of hydraulic punching equipment, and particularly relates to a hydraulic punching machine and a punching process.

Background

In the process of punching transfer films, silk-screen films or plastic panels by the hydraulic punching machine, because the template is fixed, punching patterns in the punching process are fixed, products with different specifications cannot be changed to be in punching states, and when the corners of the products are required to be subjected to arc angle punching, the conventional hydraulic punching machine is obviously inapplicable.

For example, chinese patent publication No. CN213617108U discloses a film punching apparatus, which includes a die frame, a punching mechanism, a visual positioning mechanism, and a driving assembly. Through setting up foretell die-cut equipment of membrane material, die-cut mechanism sets up in the die carrier for carry out die-cut processing to the material area, and the position accessible drive assembly carries out the adjustment of position in first direction and second direction of die carrier, thereby realizes adjusting the position of die-cut mechanism on the die carrier, and drive assembly acts according to the positional information of the material area that visual positioning mechanism detected. Therefore, after the visual positioning mechanism detects the position of the material belt, the punching mechanism is moved to the position corresponding to the material belt through the driving assembly, and then punching treatment is carried out on the material belt, so that punching precision is ensured.

Recall film punching equipment in the above-mentioned patent, its cutter is straight cutter setting, can not realize the demand that product corner carries out arc angle die-cut, and for this reason, we propose a hydraulic pressure die-cutting machine and die-cutting technology to solve the problem that exists among the prior art, makes it change cutter both ends angle according to the product production demand to promote die-cut equipment suitability.

Disclosure of Invention

The invention aims to provide a hydraulic punching machine and a punching process, which are used for solving the problem that in the prior art, the hydraulic punching machine is fixed in a punching mode in the punching process due to the fact that a template is fixed in the process of punching a transfer film, a silk screen film or a plastic panel, so that the punching state of products with different specifications cannot be changed, and the existing hydraulic punching machine is obviously inapplicable when the corners of the products are required to be subjected to arc angle punching.

In order to achieve the above purpose, the invention adopts the following technical scheme:

a hydraulic punching machine comprises a machine body and a punching panel arranged on the top of the machine body; the support frame is arranged on the surface of the machine body; the positioning components are arranged on two sides of the top of the punching panel and used for fixing products; the machine frame is arranged above the punching panel and is movably arranged with the supporting frame through a moving component; the telescopic ends of the hydraulic cylinders penetrate through the stand and extend to the inner cavity of the stand; the sliding components used for improving the moving stability of the punching seat are arranged between the two sides of the punching seat and the inner wall of the frame; and the cutter components are arranged at the bottom of the punching seat, and the use angles of the two ends of the cutter components are adjustable.

Preferably, the cutter assembly comprises a fixed cutter disposed below the punching seat; bendable cutters arranged on two sides of the fixed cutter; the mounting assembly is used for mounting the fixed cutter and the bendable cutter at the bottom of the punching seat; and an angle adjusting assembly for adjusting the angle of use of the bendable tool.

Preferably, the mounting assembly comprises two groups of mounting clamping plates fixedly mounted at the bottom of the punching seat, and the two groups of mounting clamping plates are respectively positioned at two sides of the fixed cutter and the bendable cutter; the mounting rod is arranged at one side of one group of the mounting clamping plates; the mounting nuts are arranged on one side of the other group of mounting clamping plates and are in threaded connection with one end of the mounting rod; still including set up in installation cardboard, fixed cutter and the through-hole on cutter surface of can bending, the one end and the inner wall sliding connection of through-hole of installation pole.

Preferably, the sliding assembly comprises sliding blocks fixedly arranged on two sides of the punching seat; and the sliding grooves are formed in the two sides of the inner cavity of the frame, and the surfaces of the sliding blocks are in sliding connection with the inner walls of the sliding grooves.

Preferably, the angle adjusting assembly comprises a clamping seat clamped on the surface of the bendable cutter, and the clamping seat is locked and fixed with the bendable cutter through a locking assembly; the adjusting rod is fixedly arranged at the top of the clamping seat, and the top end of the adjusting rod penetrates through the punching seat and extends to the outside of the punching seat; and the fastening nut is connected with the top end of the adjusting rod in a threaded manner, and the bottom of the fastening nut is attached to the top of the punching seat.

Preferably, the locking component comprises a locking rod which is connected to one side of the clamping seat in a threaded manner, and one end of the locking rod sequentially penetrates through the clamping seat and the bendable cutter and extends to the outside of the clamping seat; and the locking nut is in threaded connection with one end of the locking rod, and one side of the locking nut is attached to the surface of the clamping seat.

Preferably, the die-cutting die further comprises an arc-shaped groove formed in the surface of the die-cutting seat, and the surface of the adjusting rod is in sliding connection with the inner wall of the arc-shaped groove; and the scale marks are carved along the track of the arc-shaped groove and used for determining the adjusting angle of the bendable cutter.

Preferably, the positioning assembly comprises positioning plates arranged on two sides of the top of the punching panel, and a rubber plate is arranged at the bottom of the positioning plate; the bottom ends of the connecting rods sequentially penetrate through the punching panel and the supporting frame and extend to the lower part of the supporting frame; the fixed pipe is fixedly arranged at the bottom of the support frame, the bottom end of the connecting rod penetrates through the fixed pipe and extends to the inner cavity of the fixed pipe to be fixedly connected with a sliding plate, and the surface of the sliding plate is in sliding connection with the inner wall of the fixed pipe; and the compression spring is fixedly arranged at the top of the sliding plate, sleeved on the surface of the connecting rod, and the top end of the compression spring is fixedly connected with the inner wall of the fixed pipe.

Preferably, the moving assembly comprises moving guide rails fixedly arranged on two sides of the supporting frame; and the connecting seats are fixedly arranged on the moving ends of the movable guide rails, and two ends of the frame are fixedly connected with the surfaces of the two groups of connecting seats respectively.

Based on the hydraulic punching machine, the invention also discloses a punching process of the hydraulic punching machine, which comprises the following steps:

s1, spreading a product to be punched on the punching panel, and positioning and fixing the product by a positioning assembly;

s2, adjusting the using position of the frame through a moving assembly according to the punching process of the product;

s3, adjusting and fixing the bending angle of the bendable cutter through an angle adjusting assembly according to the appearance specification of the product;

s4, the punching seat is pressed downwards through the hydraulic cylinder so as to drive the fixed cutter and the bendable cutter to punch the product downwards.

The invention has the technical effects and advantages that: compared with the prior art, the hydraulic punching machine and the punching process provided by the invention have the following advantages:

1. according to the hydraulic punching machine disclosed by the invention, the cutter is a combination of the fixed cutter and the bendable cutter, so that the hydraulic punching machine can be used for punching straight lines and chamfering and punching products, the punching mode is flexible, the maximum bending angle of the bendable cutter is ninety degrees, the using angle of the bendable cutter can be randomly adjusted within the ninety degrees, and the hydraulic punching machine is flexible to use;

2. according to the invention, the product can be fixed on the punching panel through the arrangement of the positioning component, so that the stability of the product in the punching process is improved, the product is prevented from being displaced during punching, and the use positions of the frame and the punching structure on the frame can be adjusted through the arrangement of the moving component;

3. according to the device, the sliding component is arranged, so that the moving stability of the punching seat can be improved, the use angle of the bendable tool can be randomly adjusted within a ninety-degree range through the arrangement of the angle adjusting component, and scale marks are engraved on the punching seat in the device and used for determining the bending angle of the bendable tool.

Drawings

FIG. 1 is a schematic view of a hydraulic die-cutting machine according to an embodiment of the present invention;

FIG. 2 is a schematic view of a positioning assembly according to an embodiment of the present invention;

FIG. 3 is a schematic view showing the structure of the inside of a fixing tube according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a moving assembly according to an embodiment of the present invention;

FIG. 5 is a schematic view of a sliding assembly according to an embodiment of the present invention;

FIG. 6 is a schematic view of a cutter assembly according to an embodiment of the present invention;

fig. 7 is a schematic view of the structure of the bottom of the die-cut base according to an embodiment of the present invention.

In the figure: 1. a body; 2. punching the panel; 3. a support frame; 4. a frame; 5. a hydraulic cylinder; 6. punching a seat; 7. fixing the cutter; 8. a bendable cutter; 9. installing a clamping plate; 10. a mounting rod; 11. installing a nut; 12. a through hole; 13. a slide block; 14. a chute; 15. a clamping seat; 16. an adjusting rod; 17. a fastening nut; 18. a locking lever; 19. a lock nut; 20. an arc-shaped groove; 21. scale marks; 22. a positioning plate; 23. a rubber plate; 24. a connecting rod; 25. a fixed tube; 26. a slide plate; 27. a compression spring; 28. a moving guide rail; 29. and a connecting seat.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-7, the present invention discloses a hydraulic punching machine, which comprises a machine body 1 and a punching panel 2 mounted on the top of the machine body 1; a supporting frame 3 arranged on the surface of the machine body 1; the positioning components are arranged on two sides of the top of the punching panel 2 and used for fixing products, and each positioning component comprises a positioning plate 22 arranged on two sides of the top of the punching panel 2, and a rubber plate 23 is arranged at the bottom of each positioning plate 22; the connecting rods 24 are arranged on two sides of the bottom of the positioning plate 22, and the bottom ends of the connecting rods 24 sequentially penetrate through the punching panel 2 and the supporting frame 3 and extend to the lower part of the supporting frame 3; the fixed pipe 25 is fixedly arranged at the bottom of the support frame 3, the bottom end of the connecting rod 24 penetrates through the fixed pipe 25 and extends to the inner cavity of the fixed pipe 25 to be fixedly connected with the sliding plate 26, and the surface of the sliding plate 26 is in sliding connection with the inner wall of the fixed pipe 25; and a compression spring 27 fixedly arranged at the top of the sliding plate 26, wherein the compression spring 27 is sleeved on the surface of the connecting rod 24, and the top end of the compression spring 27 is fixedly connected with the inner wall of the fixed pipe 25.

Through setting up of locating component, can fix the product location that waits to die-cut at the surface of die-cut panel 2 to prevent that the product from appearing moving in die-cut in-process. Specifically, the user can upwards pull locating plate 22 and with the product tiling that waits to die-cut in the surface of die-cut panel 2, and the removal of locating plate 22 can drive slide 26 through connecting rod 24 and remove to extrude compression spring 27, after the product tiling on die-cut panel 2, the user can loosen the handle on locating plate 22 surface, and the reaction force that compression spring 27 shrink produced can drive locating plate 22 and reset this moment, compresses tightly the both sides of product and fixes on die-cut panel 2 to fix a position the product. It should be noted that, in this embodiment, the contact portion between the bottom of the positioning plate 22 and the product is provided with the rubber plate 23, which can protect the product, and at the same time, can prevent the side edge of the product from slipping from the bottom of the positioning plate 22 during punching.

In this embodiment, the supporting frame 3 is installed on the surface of the machine body 1, the top of the supporting frame is contacted with the bottom of the punching panel 2, the supporting frame 3 is used for installing a moving assembly, the moving guide rail 28 is installed on the surface of the supporting frame 3, and the supporting frame 3 plays a supporting role on the moving assembly, the frame 4 and the punching structure on the frame 4.

Preferably, the die-cutting machine also comprises a frame 4 arranged above the die-cutting panel 2, wherein the frame 4 is movably arranged with the support frame 3 through a moving assembly, and the moving assembly comprises moving guide rails 28 fixedly arranged at two sides of the support frame 3; and the connecting seats 29 are fixedly arranged on the moving ends of the moving guide rails 28, and two ends of the frame 4 are fixedly connected with the surfaces of the two groups of connecting seats 29 respectively.

Through the setting of moving the subassembly, can adjust the use position of die-cut structure in frame 4 and the frame 4 to satisfy the die-cut demand of different size length of product. Specifically, during adjustment, a user can open the movable guide rail 28 through the external controller, and the movable end of the movable guide rail 28 drives the frame 4 to move through the connecting seat 29, so that the use position of the punching structure is adjusted in a moving manner.

It is worth to say that the hydraulic system further comprises two groups of hydraulic cylinders 5 arranged at the top of the frame 4, and the telescopic ends of the hydraulic cylinders 5 penetrate through the frame 4 and extend to the inner cavity of the frame 4; the die cutting seat 6 is arranged on the telescopic end of the hydraulic cylinder 5, and a sliding component for improving the movement stability of the die cutting seat 6 is arranged between the two sides of the die cutting seat 6 and the inner wall of the frame 4; the sliding component comprises sliding blocks 13 fixedly arranged on two sides of the punching seat 6; and sliding grooves 14 arranged on two sides of the inner cavity of the frame 4, and the surface of the sliding block 13 is in sliding connection with the inner wall of the sliding groove 14.

Through the setting of pneumatic cylinder 5, when carrying out die-cut to the product, the pneumatic cylinder 5 is opened to the accessible external controller of user, and the flexible end of pneumatic cylinder 5 can drive die-cut seat 6 and remove, and then drives the cutter assembly of die-cut seat 6 bottom and push down and die-cut the product. Through the setting of slip subassembly, can promote the stability that die-cut seat 6 moved, the slider 13 of die-cut seat 6 both sides can drive when moving and slide in the inner chamber of spout 14.

Further, the die-cutting device also comprises a cutter assembly arranged at the bottom of the die-cutting seat 6, wherein the use angles of the two ends of the cutter assembly are adjustable, and the cutter assembly comprises a fixed cutter 7 arranged below the die-cutting seat 6; bendable cutters 8 arranged on both sides of the fixed cutter 7; a mounting assembly for mounting the fixed cutter 7 and the bendable cutter 8 to the bottom of the die-cutting base 6; the angle adjusting component is used for adjusting the use angle of the bendable cutter 8 and comprises a clamping seat 15 clamped on the surface of the bendable cutter 8, and the clamping seat 15 is locked and fixed with the bendable cutter 8 through the locking component; the adjusting rod 16 is fixedly arranged at the top of the clamping seat 15, and the top end of the adjusting rod 16 penetrates through the punching seat 6 and extends to the outside of the punching seat 6; and a fastening nut 17 which is connected with the top end of the adjusting rod 16 in a threaded manner, wherein the bottom of the fastening nut 17 is attached to the top of the punching seat 6.

The tool assembly in this embodiment consists of a fixed tool 7 and a bendable tool 8. The bendable cutters 8 are provided with two groups, and the two groups of bendable cutters 8 are respectively arranged at two ends of the fixed cutter 7, so that a user can adjust the use angle of the bendable cutters 8 when the product is required to be subjected to chamfering punching. It should be noted that, in this embodiment, the bendable tool 8 may be a soft blade.

It should be noted that, in this embodiment, one end of the top of the bendable tool 8 is installed below the die-cut seat 6 through the installation component, and the other end is connected with the die-cut seat 6 through the angle adjusting component. Through the setting of angle adjustment subassembly, can be according to the user demand to the angle of use of cutter 8 of bending. During adjustment, a user can unscrew the fastening nut 17, then move the adjusting rod 16 along the direction of the arc-shaped groove 20, and the adjusting rod 16 bends the bendable cutter 8 through the clamping seat 15 in the moving process, so that the bendable cutter has an angle.

Further, the locking assembly comprises a locking rod 18 in threaded connection with one side of the clamping seat 15, and one end of the locking rod 18 sequentially penetrates through the clamping seat 15 and the bendable cutter 8 and extends to the outside of the clamping seat 15; and a locking nut 19 screwed to one end of the locking rod 18, wherein one side of the locking nut 19 is attached to the surface of the clamping seat 15.

Through the setting of locking component, can be with the other end and the cassette 15 at the cutter that can bend 8 top, when the installation, the user can be with the top card of cutter that can bend 8 go into the inner chamber of cassette 15, then pass cassette 15 and cutter that can bend 8 with the one end of locking lever 18 to screw up lock nut 19 on the one end of locking lever 18, in order to with the cutter that can bend 8 and cassette 15 locking fixed together, thereby realize the purpose that cutter 8 and cassette 15 can be connected can bend.

Still further, the die-cutting die also comprises an arc-shaped groove 20 arranged on the surface of the die-cutting seat 6, and the surface of the adjusting rod 16 is in sliding connection with the inner wall of the arc-shaped groove 20; and graduation marks 21 which are carved along the track of the arc-shaped groove 20 and are used for determining the adjusting angle of the bendable cutter 8.

By the arrangement of the arc-shaped groove 20, a moving space can be provided for the adjusting rod 16, and the surface of the adjusting rod 16 can slide in the inner cavity of the arc-shaped groove 20 when moving. It should be noted that, in this embodiment, the maximum bending angle of the bendable tool 8 is ninety degrees, which can be adjusted within ninety degrees, the angle of the adjustment can be determined by the scale mark 21, and after the adjustment is completed, the user can tighten the fastening nut 17 to fix the use angle of the bendable tool 8.

Preferably, the mounting assembly comprises two groups of mounting clamping plates 9 fixedly mounted at the bottom of the punching seat 6, and the two groups of mounting clamping plates 9 are respectively positioned at two sides of the fixed cutter 7 and the bendable cutter 8; the mounting rod 10 is arranged at one side of one group of mounting clamping plates 9; the mounting nuts 11 are arranged on one side of the other group of mounting clamping plates 9, and the mounting nuts 11 are connected to one end of the mounting rod 10 in a threaded manner; the tool also comprises a through hole 12 which is arranged on the surfaces of the mounting clamping plate 9, the fixed tool 7 and the bendable tool 8, and one end of the mounting rod 10 is in sliding connection with the inner wall of the through hole 12.

Through the setting of installation component, can fix fixed cutter 7 and tool 8 that can bend in the bottom of die-cut seat 6, when the installation, the user can insert fixed cutter 7 and tool 8 that can bend between two sets of installation cardboard 9, then runs through-hole 12 with the one end of installation pole 10 and screw up installation nut 11 at the one end of installation pole 10 to with fixed cutter 7 and tool 8 that can bend in the bottom of die-cut seat 6.

Based on the hydraulic punching machine, the embodiment also discloses a punching process of the hydraulic punching machine, which comprises the following steps:

s1, spreading a product to be punched on a punching panel 2, and positioning and fixing the product by a positioning assembly;

s2, adjusting the using position of the frame 4 through a moving assembly according to the punching process of the product;

s3, adjusting and fixing the bending angle of the bendable cutter 8 through an angle adjusting assembly according to the appearance specification of the product;

s4, the punching seat 6 is pressed downwards through the hydraulic cylinder 5 so as to drive the fixed cutter 7 and the bendable cutter 8 to punch the product downwards.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.

Claims (10)

1. A hydraulic die cutting machine, comprising:

a machine body (1) and a punching panel (2) arranged at the top of the machine body (1);

a supporting frame (3) arranged on the surface of the machine body (1);

the positioning components are arranged on two sides of the top of the punching panel (2) and used for fixing products;

the machine frame (4) is arranged above the punching panel (2), and the machine frame (4) and the supporting frame (3) are movably installed together through a moving assembly;

two groups of hydraulic cylinders (5) are arranged at the top of the frame (4), and the telescopic ends of the hydraulic cylinders (5) penetrate through the frame (4) and extend to the inner cavity of the frame (4);

the punching seat (6) is arranged at the telescopic end of the hydraulic cylinder (5), and a sliding component for improving the movement stability of the punching seat (6) is arranged between the two sides of the punching seat (6) and the inner wall of the frame (4); and

the cutter component is arranged at the bottom of the punching seat (6), and the use angles of the two ends of the cutter component are adjustable.

2. A hydraulic die cutting machine according to claim 1, wherein: the cutter assembly includes:

a fixed cutter (7) arranged below the punching seat (6);

bendable cutters (8) arranged at two sides of the fixed cutter (7);

the mounting assembly is used for mounting the fixed cutter (7) and the bendable cutter (8) at the bottom of the punching seat (6); and

and the angle adjusting component is used for adjusting the use angle of the bendable cutter (8).

3. A hydraulic die cutting machine according to claim 2, wherein: the mounting assembly includes:

two groups of installation clamping plates (9) fixedly arranged at the bottom of the punching seat (6), wherein the two groups of installation clamping plates (9) are respectively positioned at two sides of the fixed cutter (7) and the bendable cutter (8);

the mounting rods (10) are arranged at one side of one group of the mounting clamping plates (9); and

the mounting nuts (11) are arranged on one side of the other group of mounting clamping plates (9), and the mounting nuts (11) are connected to one end of the mounting rod (10) in a threaded manner;

still including set up in through-hole (12) on installation cardboard (9), fixed cutter (7) and bendable cutter (8) surface, the one end and the inner wall sliding connection of through-hole (12) of installation pole (10).

4. A hydraulic die cutting machine according to claim 1, wherein: the sliding assembly includes:

the sliding blocks (13) are fixedly arranged on two sides of the punching seat (6); and

the sliding grooves (14) are formed in the two sides of the inner cavity of the frame (4), and the surfaces of the sliding blocks (13) are connected with the inner walls of the sliding grooves (14) in a sliding mode.

5. A hydraulic die cutting machine according to claim 2, wherein: the angle adjustment assembly includes:

the clamping seat (15) is clamped on the surface of the bendable cutter (8), and the clamping seat (15) is locked and fixed with the bendable cutter (8) through a locking assembly;

the adjusting rod (16) is fixedly arranged at the top of the clamping seat (15), and the top end of the adjusting rod (16) penetrates through the punching seat (6) and extends to the outside of the punching seat (6); and

the fastening nut (17) is in threaded connection with the top end of the adjusting rod (16), and the bottom of the fastening nut (17) is attached to the top of the punching seat (6).

6. A hydraulic die cutting machine according to claim 5, wherein: the locking assembly includes:

the locking rod (18) is in threaded connection with one side of the clamping seat (15), and one end of the locking rod (18) sequentially penetrates through the clamping seat (15) and the bendable cutter (8) and extends to the outside of the clamping seat (15); and

the locking nut (19) is in threaded connection with one end of the locking rod (18), and one side of the locking nut (19) is attached to the surface of the clamping seat (15).

7. A hydraulic die cutting machine according to claim 5, wherein: the die-cutting device further comprises an arc groove (20) formed in the surface of the die-cutting seat (6), and the surface of the adjusting rod (16) is connected with the inner wall of the arc groove (20) in a sliding mode;

the device also comprises scale marks (21) which are carved along the track of the arc-shaped groove (20) and are used for determining the adjusting angle of the bendable cutter (8).

8. A hydraulic die cutting machine according to claim 1, wherein: the positioning assembly includes:

the positioning plates (22) are arranged on two sides of the top of the punching panel (2), and rubber plates (23) are arranged at the bottoms of the positioning plates (22);

the connecting rods (24) are arranged at two sides of the bottom of the positioning plate (22), and the bottom ends of the connecting rods (24) sequentially penetrate through the punching panel (2) and the supporting frame (3) and extend to the lower part of the supporting frame (3);

the fixed pipe (25) is fixedly arranged at the bottom of the supporting frame (3), the bottom end of the connecting rod (24) penetrates through the fixed pipe (25) and extends to the inner cavity of the fixed pipe (25) to be fixedly connected with the sliding plate (26), and the surface of the sliding plate (26) is in sliding connection with the inner wall of the fixed pipe (25); and

the compression spring (27) is fixedly arranged at the top of the sliding plate (26), the compression spring (27) is sleeved on the surface of the connecting rod (24), and the top end of the compression spring (27) is fixedly connected with the inner wall of the fixed pipe (25).

9. A hydraulic die cutting machine according to claim 1, wherein: the moving assembly includes:

the movable guide rails (28) are fixedly arranged on two sides of the support frame (3); and

the connecting seats (29) are fixedly arranged at the moving ends of the moving guide rails (28), and two ends of the frame (4) are fixedly connected with the surfaces of the two groups of connecting seats (29) respectively.

10. A hydraulic die cutting process according to any one of claims 1 to 9, comprising the steps of:

s1, spreading a product to be punched on the punching panel, and positioning and fixing the product by a positioning assembly;

s2, adjusting the using position of the frame through a moving assembly according to the punching process of the product;

s3, adjusting and fixing the bending angle of the bendable cutter through an angle adjusting assembly according to the appearance specification of the product;

s4, the punching seat is pressed downwards through the hydraulic cylinder so as to drive the fixed cutter and the bendable cutter to punch the product downwards.