CN112246938B

CN112246938B - Device capable of punching at high speed without corner collapse

Info

Publication number: CN112246938B
Application number: CN202011531788.0A
Authority: CN
Inventors: 姚元国; 周新国
Original assignee: Yantai Xinyang Electronics Co ltd
Current assignee: Yantai Xinyang Electronics Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-03-16
Anticipated expiration: 2040-12-23
Also published as: CN112246938A

Abstract

The invention discloses a device capable of stamping at a high speed without corner collapse, and particularly relates to the technical field of plate stamping. According to the invention, through arranging the pressing plate, the sliding block, the first electromagnet and the first clamping column, when the metal plate is stamped, the metal plate needs to be placed on the workbench firstly, then the protective frame is covered, so that the pressing plate in the protective frame is pressed on the surface of the metal plate, the pressing plate can move upwards according to the thickness of the metal plate, the metal plates with different areas and thicknesses can be fixed, and the phenomenon of corner collapse of the metal plate during stamping is avoided.

Description

Device capable of punching at high speed without corner collapse

Technical Field

The invention relates to the technical field of plate stamping, in particular to a device capable of stamping without corner collapse at a high speed.

Background

The stamping die is a device used for pressure processing of materials, the working principle of the stamping die is that the die drives the upper die and the lower die to open and close under the action of stamping, and the raw materials between the upper die and the lower die are shaped by cutting, punching, stretching and the like to form stamping parts, and stamping workpieces are more and more widely applied to various fields of production and life.

The prior art has the following defects: the existing stamping device is not easy to be provided with a blank pressing mechanism because the specification of the stamping material is frequently changed, so that the phenomenon of corner collapse easily occurs to the stamped material in the process of high-speed stamping, and the stamping material is scrapped.

Disclosure of Invention

Therefore, the embodiment of the invention provides a device capable of stamping at high speed without corner collapse, which is characterized in that when a metal plate is stamped, the metal plate needs to be placed on a workbench firstly, then a protective frame cover is covered, the pressure plate in the protective frame is pressed on the surface of the metal plate, the pressure plate can move upwards according to the thickness of the metal plate, the metal plates with different areas and thicknesses can be fixed, the corner collapse phenomenon of the metal plate during stamping is avoided, and the problem that the metal plate is easy to corner collapse during stamping in the prior art is solved.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: a device capable of punching at high speed without corner collapse comprises a base, wherein a main frame is fixedly mounted at the top end of the base, an upper frame is fixedly mounted at the top end of the main frame, a die is arranged at the bottom end of the upper frame, a punching head is fixedly mounted at the bottom end of the die, positioning rods are fixedly mounted at the two sides of the bottom end of the die, a workbench is fixedly mounted at the position under the die at the top end of the base, a protection frame is arranged at the top end of the workbench, a connecting pipe is fixedly mounted at the rear part of the protection frame at the top end of the workbench, a limiting frame is fixedly mounted at the front part of the protection frame at the top end of the workbench, positioning grooves are formed in the two sides of the outer surface of the upper end of the protection frame, the bottom ends of the positioning rods are matched with the positioning grooves, a pressing plate is arranged in the protection frame, a sliding groove is, the slide button is connected with the pressure plate in a sliding way through a sliding chute, the bottom end of the pressure plate is fixedly provided with a bottom pad, side grooves are arranged on two sides of the interior of the protective frame, guide rods are fixedly arranged in the side grooves, sliding blocks are sleeved on the outer surfaces of the guide rods, the slide block is connected with the protective frame in a sliding way through a side groove, a plurality of limiting holes are arranged on the outer surface of the guide rod, the outer surface of the guide rod is sleeved with a first spring below the sliding block, the top end of the first spring is fixedly connected with the sliding block, a first inner groove is arranged on one side of the limiting hole in the slide block, a first electromagnet is fixedly arranged on the inner wall of the first inner groove, a second spring is fixedly arranged in the first inner groove, a first clamping column is arranged at one end of the second spring in the first inner groove, one end of the second spring is fixedly connected with the first clamping column, and one end of the first clamping column is matched with the limiting hole.

Furthermore, a connecting groove is formed in one side, located on the pressing plate, of the inside of the sliding block, and a first baffle is fixedly mounted at one end of the first clamping column.

Furthermore, one end of the second spring is fixedly connected with the first baffle, a first snap ring is fixedly mounted at one end inside the first inner groove, and the outer surface of the first clamping column is sleeved with the first snap ring.

Furthermore, a second inner groove is formed in two ends of the inside of the pressing plate, a connecting plate is arranged inside the second inner groove, and the bottom end of the sliding button is inserted into the connecting plate.

Furthermore, the bottom end of the connecting plate is provided with a bottom groove, and the inner wall of the second inner groove is provided with a clamping groove.

Furthermore, a clamping plate is fixedly installed at the bottom end of the sliding button, the clamping plate is in threaded connection with the clamping groove, and one end of the connecting plate is matched with the connecting groove.

Further, the both ends of connecting pipe are provided with the side bearer, the one end of side bearer and the rear end surface fixed connection who protects the frame, protect the frame through side bearer and connecting pipe swing joint, one side fixed mounting of side bearer has the curb plate, the curb plate matches with the one end of connecting pipe, it has a plurality of ball to embed between curb plate and the connecting pipe.

Furthermore, an inner plate is fixedly installed at the center of the interior of the connecting pipe, inner shafts are fixedly installed on two sides of the inner plate, a torsion spring is sleeved on the outer surface of each inner shaft, one end of each inner shaft is rotatably connected with the corresponding side plate, and one end of each torsion spring is fixedly connected with the corresponding side plate.

Further, there is a third spring fixed on one side of the inside of the limiting frame, a limiting ring is inserted into the inside of the limiting frame, one end of the limiting ring is fixedly connected with the outer surface of the front end of the protective frame, a second clamping column is arranged at one end of the limiting frame, which is located on the third spring, and the second clamping column is matched with the limiting ring.

Furthermore, a second baffle is fixedly mounted at one end of the second clamping column, one end of the third spring is fixedly connected with the second baffle, a second clamping ring is fixedly mounted at one end of the inner wall of the limiting frame, a second electromagnet is fixedly mounted at the other side of the inner portion of the limiting frame, and one end of the second clamping column is in contact connection with the second electromagnet.

The embodiment of the invention has the following advantages:

1. by arranging the pressing plate, the sliding block, the first electromagnet and the first clamping column, when the metal plate is stamped, the metal plate needs to be placed on the workbench firstly, then the protective frame is covered, so that the pressing plate in the protective frame is pressed on the surface of the metal plate, the pressing plate can move upwards according to the thickness of the metal plate, the metal plates with different areas and thicknesses can be fixed, and the phenomenon of corner collapse of the metal plate during stamping is avoided;

2. through setting up the connecting plate, the spread groove, smooth button and fixture block, when the punching press head was changed, need change the clamp plate that corresponds, will rotate smooth button earlier, the cardboard that drives smooth button bottom rotates, cardboard and draw-in groove threaded connection make the cardboard break away from the draw-in groove, get into the kerve of connecting plate bottom, relieve the spacing to the connecting plate, then break away from the first inside groove of retrieving from the spread groove through smooth button with the one end of connecting plate, thereby relieve the spacing to the clamp plate, then dismantle the clamp plate from protecting the frame, and is comparatively convenient.

3. Through setting up the connecting pipe, the side bearer, torsional spring and spacing ring, lay the workstation on the back at the metal sheet, need to protect the frame and press down along the connecting pipe of one end, cover the metal sheet, protect the frame at the in-process that presses down, can drive inside torsional spring through the curb plate, extrude the torsional spring, when the spacing ring that protects frame one end inserts in the spacing frame, the second electro-magnet of spacing frame one side can start, the second card post can receive the attraction of second electro-magnet, pass spacing ring and second electro-magnet contact, thereby fix protecting the frame, the security in the course of working has been increased.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

Fig. 1 is a schematic view of the overall structure provided by the present invention.

Fig. 2 is a top view of a table provided by the present invention.

Fig. 3 is an internal structure view of the cradle according to the present invention.

Fig. 4 is a top view of a slider provided by the present invention.

Fig. 5 is an enlarged view of fig. 4 at a according to the present invention.

Fig. 6 is a connection structure diagram of the pressing plate provided by the present invention.

Fig. 7 is an internal structure view of a connection pipe provided in the present invention.

Fig. 8 is a side view of the side plate and the connecting pipe provided by the present invention.

Fig. 9 is an internal structure view of the limiting frame provided by the invention.

In the figure: 1. a base; 2. a main frame; 3. a top frame; 4. a mold; 5. punching a head; 6. positioning a rod; 7. a work table; 8. protecting the frame; 9. a connecting pipe; 10. a limiting frame; 11. positioning a groove; 12. pressing a plate; 13. a chute; 14. a slide button; 15. a bottom pad; 16. a side groove; 17. a guide bar; 18. a slider; 19. a limiting hole; 20. a first spring; 21. a first inner tank; 22. a first electromagnet; 23. a second spring; 24. connecting grooves; 25. a first clamp post; 26. a first baffle plate; 27. a first snap ring; 28. a second inner tank; 29. a connecting plate; 30. a bottom groove; 31. a card slot; 32. clamping a plate; 33. a side frame; 34. a side plate; 35. an inner plate; 36. an inner shaft; 37. a torsion spring; 38. a ball bearing; 39. a third spring; 40. a limiting ring; 41. a second clamping column; 42. a second baffle; 43. a second snap ring; 44. a second electromagnet.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-5 in the specification, the device capable of punching without corner collapse at high speed of the embodiment comprises a base 1, wherein a main frame 2 is fixedly installed at the top end of the base 1, a top frame 3 is fixedly installed at the top end of the main frame 2, a die 4 is arranged at the bottom end of the top frame 3, a punching head 5 is fixedly installed at the bottom end of the die 4, positioning rods 6 are fixedly installed at the bottom end of the die 4 at two sides of the punching head 5, a workbench 7 is fixedly installed at the top end of the base 1 under the die 4, a protection frame 8 is arranged at the top end of the workbench 7, a connecting pipe 9 is fixedly installed at the top end of the workbench 7 at the rear part of the protection frame 8, a limiting frame 10 is fixedly installed at the top end of the workbench 7 at the front part of the protection frame 8, positioning grooves 11 are arranged at two sides of the outer surface of the upper end of the protection frame 8, the inner part of the protection frame 8 is provided with a pressing plate 12, the outer surface of the pressing plate 12 is provided with a sliding groove 13, the outer surface of the pressing plate 12 is positioned above the sliding groove 13 and is provided with a sliding button 14, the sliding button 14 is in sliding connection with the pressing plate 12 through the sliding groove 13, the bottom end of the pressing plate 12 is fixedly provided with a bottom pad 15, two sides of the inner part of the protection frame 8 are provided with side grooves 16, the inner part of each side groove 16 is fixedly provided with a guide rod 17, the outer surface of each guide rod 17 is sleeved with a slide block 18, the slide block 18 is in sliding connection with the protection frame 8 through the side grooves 16, the outer surface of each guide rod 17 is provided with a plurality of limiting holes 19, the outer surface of each guide rod 17 is positioned below the slide block 18 and is sleeved with a first spring 20, the top end of the first spring 20 is fixedly connected with the slide block 18, one side of the inner part of the, the inside fixed mounting of first inside groove 21 has second spring 23, the inside one end that is located second spring 23 of first inside groove 21 is provided with first card post 25, the one end and the first card post 25 fixed connection of second spring 23, the one end and the spacing hole 19 phase-match of first card post 25.

The implementation scenario is specifically as follows: when the metal plate is punched, the metal plate is required to be firstly placed on the workbench 7, then the protective frame 8 is covered, the pressure plate 12 inside the protective frame 8 is pressed on the surface of the metal plate, the center of the pressure plate 12 is provided with a through groove matched with the size of the punching head 5, the pressure plate 12 can move upwards according to the thickness of the metal plate and simultaneously drives the sliding blocks 18 at two sides to slide along the guide rods 17, according to the thickness of the metal plate, the first inner groove 21 in the slide block 18 corresponds to the corresponding limiting hole 19 on the guide rod 17, then the first electromagnet 22 in the first inner groove 21 is closed, and the first spring 20 in the first inner groove pushes the first clamping column 25 outwards to be inserted into the corresponding limiting hole 19, the sliding block 18 is limited, so that the pressing plate 12 can be fixed, metal plates with different areas and thicknesses can be fixed, and corner collapse of the metal plates during stamping is avoided.

Referring to fig. 6 of the specification, in the device for punching without corner collapse of the embodiment, the inside of the slide block 18 at one side of the press plate 12 is provided with a connecting groove 24, a first baffle 26 is fixedly arranged at one end of the first clamping column 25, one end of the second spring 23 is fixedly connected with the first baffle 26, a first snap ring 27 is fixedly arranged at one end inside the first inner groove 21, the first snap ring 27 is sleeved on the outer surface of the first snap column 25, two ends of the interior of the pressing plate 12 are provided with second inner grooves 28, the interior of the second inner grooves 28 is provided with a connecting plate 29, the bottom end of the slide button 14 is inserted into a connecting plate 29, the bottom end of the connecting plate 29 is provided with a bottom groove 30, a clamping groove 31 is arranged on the inner wall of the second inner groove 28, a clamping plate 32 is fixedly arranged at the bottom end of the slide button 14, the clamping plate 32 is in threaded connection with the clamping groove 31, and one end of the connecting plate 29 is matched with the connecting groove 24.

The implementation scenario is specifically as follows: when the stamping head 5 is replaced, the corresponding pressing plate 12 needs to be replaced, firstly, the sliding button 14 is rotated to drive the clamping plate 32 at the bottom end of the sliding button 14 to rotate, the clamping plate 32 is in threaded connection with the clamping groove 31, the clamping plate 32 is separated from the clamping groove 31 and enters the bottom groove 30 at the bottom end of the connecting plate 29, the limit of the connecting plate 29 is released, then one end of the connecting plate 29 is separated from the connecting groove 24 and is retracted into the second inner groove 28 through the sliding button 14, the limit of the pressing plate 12 is released, then the pressing plate 12 is detached from the protective frame 8, when a new pressing plate 12 is replaced, the pressing plate 12 can be placed into the protective frame 8, the second inner grooves 28 at two sides are made to correspond to the connecting groove 24 of the sliding block 18, then the connecting plate 29 is pushed into the connecting groove 24 through the sliding button 14 to be connected with the sliding block 18, when the connecting plate 29 is completely inserted into the connecting groove 24, the bottom, the clamping plate 32 at the bottom end of the slide button 14 is connected with the clamping groove 31 to fix the pressure plate 12, which is convenient.

Referring to fig. 7-9 of the specification, in the device capable of high-speed stamping without corner collapse according to this embodiment, side frames 33 are disposed at two ends of the connecting pipe 9, one end of each side frame 33 is fixedly connected to the outer surface of the rear end of the protective frame 8, the protective frame 8 is movably connected to the connecting pipe 9 through the side frame 33, a side plate 34 is fixedly mounted at one side of each side frame 33, the side plate 34 is matched with one end of the connecting pipe 9, a plurality of balls 38 are embedded between the side plate 34 and the connecting pipe 9, an inner plate 35 is fixedly mounted at the center inside of the connecting pipe 9, inner shafts 36 are fixedly mounted at two sides of the inner plate 35, torsion springs 37 are sleeved on the outer surfaces of the inner shafts 36, one ends of the inner shafts 36 are rotatably connected to the side plates 34, one ends of the torsion springs 37 are fixedly connected to the side plates 34, limiting ring 40 is inserted to the inside of gag lever post 10, the one end of gag lever post 40 and the front end surface fixed connection who protects frame 8, the inside one end that is located third spring 39 of gag lever post 10 is provided with second card post 41, second card post 41 and gag lever post 40 phase-match, the one end fixed mounting of second card post 41 has second baffle 42, the one end and the second baffle 42 fixed connection of third spring 39, the inner wall one end fixed mounting of gag lever post 10 has second snap ring 43, the inside opposite side fixed mounting of gag lever post 10 has second electro-magnet 44, the one end and the second electro-magnet 44 contact of second card post 41 are connected.

The implementation scenario is specifically as follows: after the metal plate is placed on the workbench 7, the protective frame 8 needs to be pressed downwards along the connecting pipe 9 at one end, the metal plate is covered, the protective frame 8 can drive the internal torsion spring 37 through the side plate 34 in the downward pressing process, the torsion spring 37 is extruded, when the limiting ring 40 at one end of the protective frame 8 is inserted into the limiting frame 10, the second electromagnet 44 at one side of the limiting frame 10 can be started, the second clamping column 41 can be attracted by the second electromagnet 44, and passes through the limiting ring 40 to be contacted with the second electromagnet 44, so that the protective frame 8 is fixed, when the processed metal plate needs to be taken out, only the second electromagnet 44 needs to be closed, the third spring 39 can pull the second clamping column 41 back to the original position, the fixing of the limiting ring 40 is released, meanwhile, the torsion spring 37 can drive the side frame 33 to upwards unfold the protective frame 8, and the processed metal plate is conveniently taken out.

The working principle is as follows: referring to the attached drawings 1-5 of the specification, when a metal plate is stamped, the metal plate needs to be placed on the workbench 7, then the protective frame 8 is covered, the pressing plate 12 inside the protective frame 8 is pressed on the surface of the metal plate, a through groove matched with the size of the stamping head 5 is formed in the center of the pressing plate 12, the pressing plate 12 can move upwards according to the thickness of the metal plate and simultaneously drives the sliding blocks 18 on two sides to slide along the guide rod 17, according to the difference of the thickness of the metal plate, the first inner groove 21 in the sliding block 18 corresponds to the corresponding limiting hole 19 in the guide rod 17, then the first electromagnet 22 inside the first inner groove 21 is closed, and at the moment, the first clamping column 25 is pushed outwards by the first spring 20 inside and is inserted into the corresponding limiting hole 19 to limit the sliding block 18, so that the pressing plate 12 is fixed.

Referring to the description of the attached drawing 6, when the stamping head 5 needs to be replaced, the corresponding pressing plate 12 needs to be replaced, the slide button 14 is rotated to drive the clamping plate 32 at the bottom end of the slide button 14 to rotate, so that the clamping plate 32 is separated from the clamping groove 31 and enters the bottom groove 30 at the bottom end of the connecting plate 29, then, one end of the coupling plate 29 is withdrawn from the coupling groove 24 into the second inner groove 28 by the slide button 14, and then the pressing plate 12 is detached from the protective frame 8, when a new pressing plate 12 is replaced, the pressing plate 12 can be put into the protective frame 8, so that the second inner grooves 28 on both sides correspond to the connecting grooves 24 of the sliding block 18, the link plate 29 is then pushed into the link groove 24 by the slide button 14 to connect with the slide block 18, when the coupling plate 29 is completely inserted into the coupling groove 24, the bottom end of the slide button 14 corresponds to the catching groove 31, then, the slide button 14 is rotated to connect the catch plate 32 at the bottom end of the slide button 14 with the catch groove 31, thereby fixing the pressure plate 12.

Referring to fig. 7-9 of the specification, after the metal plate is placed on the working table 7, the protective frame 8 is pressed downwards along the connecting pipe 9 at one end to cover the metal plate, and during the downward pressing process of the protective frame 8, the internal torsion spring 37 is driven by the side plate 34, the torsion spring 37 is pressed, and when the limit ring 40 at one end of the protective frame 8 is inserted into the limit frame 10, the second electromagnet 44 on one side of the stop frame 10 is activated, and the second clamping column 41 is attracted by the second electromagnet 44, passes through the stop ring 40 and contacts with the second electromagnet 44, thereby fixing the protective frame 8, when the processed metal plate needs to be taken out, the second electromagnet 44 is only needed to be closed, the third spring 39 can pull the second clamping column 41 back to the original position, the fixing of the limiting ring 40 is released, meanwhile, the torsion spring 37 will drive the side frame 33 to unfold the protection frame 8 upwards, so as to facilitate the removal of the processed metal plate.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A device capable of punching without corner collapse at high speed comprises a base (1) and is characterized in that: the top end of the base (1) is fixedly provided with a main frame (2), the top end of the main frame (2) is fixedly provided with an upper frame (3), the bottom end of the upper frame (3) is provided with a die (4), the bottom end of the die (4) is fixedly provided with a stamping head (5), the bottom end of the die (4) is positioned at two sides of the stamping head (5) and is fixedly provided with a positioning rod (6), the top end of the base (1) is positioned under the die (4) and is fixedly provided with a workbench (7), the top end of the workbench (7) is provided with a protective frame (8), the top end of the workbench (7) is positioned at the rear part of the protective frame (8) and is fixedly provided with a connecting pipe (9), the top end of the workbench (7) is positioned at the front part of the protective frame (8) and is fixedly provided with a limiting frame (10), and positioning grooves (11) are formed in, the bottom end of the positioning rod (6) is matched with the positioning groove (11), a pressing plate (12) is arranged inside the protective frame (8), a sliding groove (13) is formed in the outer surface of the pressing plate (12), a sliding button (14) is arranged on the outer surface of the pressing plate (12) and located above the sliding groove (13), the sliding button (14) is connected with the pressing plate (12) in a sliding mode through the sliding groove (13), a bottom pad (15) is fixedly installed at the bottom end of the pressing plate (12), side grooves (16) are formed in two sides of the inner portion of the protective frame (8), a guide rod (17) is fixedly installed inside the side grooves (16), a sliding block (18) is sleeved on the outer surface of the guide rod (17), the sliding block (18) is connected with the protective frame (8) in a sliding mode through the side grooves (16), a plurality of limiting holes (19) are formed in the outer surface of the guide rod (17), a first spring (20) is sleeved on the outer surface, the top end of the first spring (20) is fixedly connected with the sliding block (18), a first inner groove (21) is formed in one side, located in the limiting hole (19), of the sliding block (18), a first electromagnet (22) is fixedly mounted on the inner wall of the first inner groove (21), a second spring (23) is fixedly mounted inside the first inner groove (21), a first clamping column (25) is arranged at one end, located in the second spring (23), of the first inner groove (21), one end of the second spring (23) is fixedly connected with the first clamping column (25), and one end of the first clamping column (25) is matched with the limiting hole (19).

2. The apparatus capable of high speed stamping without corner collapse according to claim 1, wherein: one side that the inside of slider (18) is located clamp plate (12) has seted up spread groove (24), the one end fixed mounting of first card post (25) has first baffle (26).

3. The apparatus capable of high-speed punching without corner collapse according to claim 2, wherein: one end of the second spring (23) is fixedly connected with the first baffle (26), a first clamping ring (27) is fixedly mounted at one end of the inner portion of the first inner groove (21), and the outer surface of the first clamping column (25) is sleeved with the first clamping ring (27).

4. A device capable of high speed stamping without corner collapse according to claim 3, wherein: second inner grooves (28) are formed in two ends of the interior of the pressing plate (12), connecting plates (29) are arranged in the second inner grooves (28), and the bottom ends of the sliding buttons (14) are inserted into the connecting plates (29).

5. The apparatus capable of high-speed punching without corner collapse according to claim 4, wherein: the bottom end of the connecting plate (29) is provided with a bottom groove (30), and the inner wall of the second inner groove (28) is provided with a clamping groove (31).

6. The apparatus capable of high speed stamping without corner collapse according to claim 5, wherein: the bottom end of the sliding button (14) is fixedly provided with a clamping plate (32), the clamping plate (32) is in threaded connection with a clamping groove (31), and one end of the connecting plate (29) is matched with the connecting groove (24).

7. The apparatus capable of high speed stamping without corner collapse according to claim 1, wherein: the both ends of connecting pipe (9) are provided with side bearer (33), the one end of side bearer (33) is connected with the rear end external surface fixed connection who protects frame (8), protect frame (8) through side bearer (33) and connecting pipe (9) swing joint, one side fixed mounting of side bearer (33) has curb plate (34), curb plate (34) and the one end phase-match of connecting pipe (9), it has a plurality of ball (38) to imbed between curb plate (34) and connecting pipe (9).

8. The apparatus capable of high speed stamping without corner collapse according to claim 7, wherein: an inner plate (35) is fixedly installed at the center of the interior of the connecting pipe (9), inner shafts (36) are fixedly installed on two sides of the inner plate (35), torsion springs (37) are sleeved on the outer surfaces of the inner shafts (36), one ends of the inner shafts (36) are rotatably connected with the side plates (34), and one ends of the torsion springs (37) are fixedly connected with the side plates (34).

9. The apparatus capable of high speed stamping without corner collapse according to claim 1, wherein: the utility model discloses a spacing structure, including spacing frame (10), front end outer fixed surface, the inside one side fixed mounting of spacing frame (10) has third spring (39), spacing ring (40) are inserted to the inside of spacing frame (10), the one end of spacing ring (40) and the front end outer fixed surface who protects frame (8) are connected, the one end that the inside of spacing frame (10) is located third spring (39) is provided with second calorie of post (41), second calorie of post (41) and spacing ring (40) phase-match.

10. The apparatus capable of high speed stamping without corner collapse according to claim 9, wherein: one end fixed mounting of second calorie of post (41) has second baffle (42), the one end and second baffle (42) fixed connection of third spring (39), the inner wall one end fixed mounting of spacing (10) has second snap ring (43), the inside opposite side fixed mounting of spacing (10) has second electro-magnet (44), the one end and the contact of second electro-magnet (44) of second calorie of post (41) are connected.