CN112893648A

CN112893648A - Stamping die

Info

Publication number: CN112893648A
Application number: CN202110237733.7A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-06-04

Abstract

The invention discloses a stamping die, which relates to the technical field of die stamping, and particularly relates to a stamping die, which comprises a collecting cabin and a lower die holder, wherein the collecting box is movably connected inside the collecting cabin, sliding blocks are fixedly connected to the left side and the right side of the collecting box, the lower die holder is positioned above the collecting cabin, a material stop mechanism is arranged inside the lower die holder, a die table is vertically arranged above the lower die holder, and a linkage mechanism is arranged inside the die table. This stamping die, through stock stop, the link gear, protection machanism and die stamping mechanism, mutually support between the four, make the sweeps that this stamping die produced when the punching press can not splash everywhere and injure the staff, the security when improving the device and using, the sweeps that the punching press produced is convenient for concentrate the clearance more simultaneously, need not make the user bow again or shut down and carry out the sweeps clearance, the safety in production coefficient has been improved, the intensity of labour has been reduced simultaneously, the work efficiency of indirect improvement device, and is worth using widely.

Description

Stamping die

Technical Field

The invention relates to the technical field of die stamping, in particular to a stamping die.

Background

A stamping die is a special processing equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping, called as a cold stamping die (commonly called as a cold stamping die), and stamping is a pressure processing method for applying pressure to the materials by using a die arranged on a press machine at room temperature to generate separation or plastic deformation so as to obtain required parts.

But current stamping die does not have protective structure and waste material and concentrates collection mechanism for the sweeps that stamping die produced when the punching press splashes easily everywhere, and the sweeps that one splashes hurt the staff easily, and the sweeps that its two splashes is not convenient for concentrate the collection clearance, has increased the danger coefficient of staff in the course of the work, has also improved the collection degree of difficulty of sweeps simultaneously, can not satisfy market demand and people's use very well.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a stamping die, which solves the problems that the scraps proposed in the background art are inconvenient to collect in a centralized manner and no protective measures are taken when stamping.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a stamping die, includes collection cabin and die holder, the inside swing joint of collection cabin has the collection box, and collects the equal fixedly connected with slider in the left and right sides of box, the die holder is located the top of collection cabin, and the internally mounted of die holder has stock stop, the die table has been installed perpendicularly to the top of die holder, and the internally mounted of die table has a link gear, protection machanism is installed on the right side of link gear, and protection machanism's right side has installed the surge tank perpendicularly, buffer spring has been installed perpendicularly to the inside of surge tank, and buffer spring's top has installed the ejector pin perpendicularly, the pole setting has been installed perpendicularly to the right side of surge tank, and the top fixedly connected with die stamping mechanism of pole setting.

Optionally, the collecting box and the collecting cabin form a sliding structure through a sliding block, and the sliding block is symmetrically arranged on the left side and the right side of the collecting box.

Optionally, the stock stop includes mount, striker plate, bull stick and extension spring, the rear end swing joint of mount has the striker plate, and the inside swing joint of striker plate has the bull stick, the top fixedly connected with extension spring of striker plate.

Optionally, the fixed frame and the fixed frame form a rotating structure through the rotating rod, and the rotating rod penetrates through the fixed frame and the material baffle plate.

Optionally, the linkage mechanism comprises an extrusion spring, a slot, an extrusion block, a blocking pad and a pressing plate, the slot is formed in the extrusion spring, the extrusion block is fixedly connected to the upper portion of the extrusion spring, the blocking pad is bonded to the upper portion of the extrusion block, and the pressing plate is fixedly connected to the left side and the right side of the extrusion block.

Optionally, the extrusion spring is vertically disposed on the upper surface of the extrusion groove, the extrusion block and the extrusion groove form a sliding structure through a pressing plate, the pressing plates are symmetrically disposed on the left and right sides of the extrusion block, and the extrusion block and the extrusion groove form an elastic structure through the pressing plate and the extrusion spring.

Optionally, protection machanism includes riser, pivot, guard plate, gives sound insulation and fills up, moves piece and reset spring, the inside fixedly connected with pivot of riser, and the outer wall swing joint of pivot has the guard plate, the top bonding of guard plate has the pad that gives sound insulation, and the inside swing joint of guard plate has the piece that moves, the right side level of moving the piece has installed the reset spring.

Optionally, the upper surface of guard plate and give sound insulation and fill up the lower surface between closely laminating, and the guard plate constitutes revolution mechanic through pivot and riser.

Optionally, the die stamping mechanism comprises an upper template, a fixed cabin, a traction rod, a hydraulic cylinder, a push rod, a push plate, a die stamping, a push cylinder, an inserted rod, a die cutter, a tungsten steel grinding head and a grinding wheel, wherein the fixed cabin is fixedly connected to the lower portion of the inside of the upper template, the traction rod is movably connected to the inside of the fixed cabin, the hydraulic cylinder is vertically arranged on the left side of the fixed cabin, the push rod is movably connected to the lower portion of the hydraulic cylinder, the push plate is movably connected to the lower portion of the push rod, the die stamping is horizontally arranged below the push plate, the push cylinder is fixedly connected to the lower portion of the die stamping, the inserted rod is movably connected to the lower portion of the push cylinder, the die cutter is vertically arranged on the right side of the push cylinder, the tungsten steel grinding head is fixedly connected to the inside of the.

Optionally, the fixed cabin is symmetrically arranged on the left side and the right side of the hydraulic cylinder, the traction rod penetrates through the fixed cabin, the hydraulic cylinder and the stamping die form a telescopic structure through the push rod and the push plate, the central axis of the push plate coincides with the central axis of the stamping die, the push cylinder is symmetrically arranged on the lower surface of the stamping die, the push cylinder and the insertion rod are in threaded connection, the horizontal line of the tungsten steel grinding head is perpendicular to the central axis of the grinding wheel, and the tungsten steel grinding head, the grinding wheel and the stamping knife are of an integrated structure.

The invention provides a stamping die, which has the following beneficial effects:

1. the stamping die is arranged by matching the related components in the stock stop mechanism, when the stamping die mechanism is pressed downwards, an inserting rod arranged below the die stamping mechanism penetrates through an inserting groove arranged in the extrusion spring and is inserted above the material blocking plates, so that the material blocking plates rotate in the fixed frame through the rotating rod to close the two material blocking plates, the design enables the waste materials and scraps produced by the punching die to be collected in a blocking way through the material baffle plate, when the punching die mechanism ascends, the striker plate is opened and closed through the dead weight and the elastic potential energy of the tension spring, the collected waste materials are sent into the collection box for centralized treatment, when the die stamping mechanism does lifting motion, the stop mechanism is driven to do up-and-down circular motion so as to repeatedly collect the waste materials, the automatic waste collecting mechanism solves the problem that waste generated in the punching process of the existing device cannot be collected in a centralized manner, and simultaneously reduces the labor intensity of a user for cleaning waste scraps.

2. The stamping die is arranged by matching related components in the linkage mechanism, when a workpiece is stamped, a hydraulic cylinder on the stamping die mechanism pushes a stamping die on a push plate to press downwards through a push rod, a push cylinder under the stamping die is contacted with an extrusion block, the extrusion block drives a pressing plate to move downwards by extruding an extrusion spring under the extrusion block, the pressing plate drives a protection plate to move in the moving process, the protection plate rotates on a vertical plate through a rotating shaft, a reset spring resets while rotating, the pressing plate is propped by the moving block to prevent the protection plate from resetting, the design can change the horizontal shape of the protection plate into the vertical shape, the protection plate is provided with four blocks, each block is designed symmetrically, the linkage mechanism is extruded by the stamping die mechanism, the four protection plates can protect a die table during processing, waste scraps and flying stampings generated during stamping are prevented from bursting out and smashing personnel, and the design improves the safety of the device during processing, the risk factor is minimized.

3. This stamping die, cooperation setting through the inside relevant subassembly of die mechanism, during the die, the user starts the pneumatic cylinder, the pneumatic cylinder promotes push rod and push pedal and pushes down the die, the push-out barrel at first can the overhead on the stripper during pushing down, through extrusion stripper and extrusion spring, the afterbody that makes the clamp plate on the stripper drive the guard plate pushes down, with this head make the guard plate rotatory upwards, protect the die table, extrusion mechanism rises after the punching press is accomplished, tungsten steel bistrique on the die cutter can polish to the punch hole department when ascending, can get rid of the burr around the hole, the emery wheel can polish to the aperture twice simultaneously, make it more smooth, further improve the quality of mould.

Drawings

FIG. 1 is a schematic view of the overall cutaway structure of the present invention;

FIG. 2 is a schematic structural view of the present invention in a stamping operation state;

fig. 3 is a schematic structural view of the stock stop of the invention;

FIG. 4 is a schematic view of the linkage and guard mechanism of the present invention;

FIG. 5 is a schematic diagram of the die mechanism of the present invention.

In the figure: 1. a collection chamber; 2. a collection box; 3. a slider; 4. a lower die holder; 5. a stock stop mechanism; 501. a fixed mount; 502. a striker plate; 503. a rotating rod; 504. a tension spring; 6. a mould table; 7. a linkage mechanism; 701. extruding a groove; 702. a compression spring; 703. a slot; 704. extruding the block; 705. a blocking pad; 706. pressing a plate; 8. a protection mechanism; 801. a vertical plate; 802. a rotating shaft; 803. a protection plate; 804. a sound insulating pad; 805. moving the block; 806. a reset spring; 9. a buffer cabin; 10. a buffer spring; 11. a top rod; 12. erecting a rod; 13. a die mechanism; 1301. mounting a template; 1302. a fixed cabin; 1303. a draw bar; 1304. a hydraulic cylinder; 1305. a push rod; 1306. pushing the plate; 1307. punching a die; 1308. a push cylinder; 1309. inserting a rod; 1310. punching a cutter; 1311. a tungsten steel grinding head; 1312. and (5) grinding wheels.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a stamping die, including collecting cabin 1 and die holder 4, the inside swing joint of collecting cabin 1 has collection box 2, and collect the equal fixedly connected with slider 3 of the left and right sides of box 2, die holder 4 is located the top of collecting cabin 1, and the internally mounted of die holder 4 has stock stop 5, die platform 6 has been installed perpendicularly to the top of die holder 4, and the internally mounted of die platform 6 has link gear 7, protection machanism 8 is installed on the right side of link gear 7, and buffer cabin 9 has been installed perpendicularly to the right side of protection machanism 8, buffer spring 10 has been installed perpendicularly to the inside of buffer cabin 9, and ejector pin 11 has been installed perpendicularly to the top of buffer spring 10, pole setting 12 has been installed perpendicularly to the right side of buffer cabin 9, and the top fixedly connected with die stamping mechanism 13 of pole setting 12.

The collecting box 2 and the collecting cabin 1 form a sliding structure through a sliding block 3, and the sliding blocks 3 are symmetrically arranged on the left side and the right side of the collecting box 2; after die 1307 accomplished, waste material and the flying chip that die 1307 produced will fall into the collection box 2 that sets up in collection cabin 1 through opening and shutting of stock stop 5 in, the handle on the box 2 is collected in the user's accessible pulling, makes collection box 2 pass through outside the 3 roll-off cabins of slider, and this design makes the waste material that die 1307 produced can concentrate and fall into and clear up in collecting box 2, and convenient and fast has reduced user's clearance intensity.

The material blocking mechanism 5 comprises a fixing frame 501, a material blocking plate 502, a rotating rod 503 and a tension spring 504, the material blocking plate 502 is movably connected to the rear end of the fixing frame 501, the rotating rod 503 is movably connected to the inside of the material blocking plate 502, and the tension spring 504 is fixedly connected to the upper portion of the material blocking plate 502.

The flitch 502 forms a rotating structure with the fixed frame 501 through the rotating rod 503, and the rotating rod 503 penetrates through the fixed frame 501 and the striker plate 502; when the die mechanism 13 is pressed down, the inserting rod 1309 arranged below the die mechanism 13 passes through the slot 703 arranged in the pressing spring 702 and is inserted above the striker plate 502, so that the striker plate 502 rotates in the fixed frame 501 through the rotating rod 503 to close the two striker plates 502, this design allows both the scrap and scraps produced by the die 1307 to be collected by the dam 502, when the die mechanism 13 rises, the striker plate 502 is opened and closed by the self weight and the elastic potential energy of the tension spring 504, the collected waste materials are sent into the collection box 2 for centralized treatment, when the die stamping mechanism 13 does lifting motion, the material blocking mechanism 5 is driven to do up-and-down circular motion, so as to repeatedly collect waste materials, this automatic garbage collection mechanism has solved the unable problem of concentrating the collection of the waste material that produces when current die 1307 device die, has reduced the intensity of labour of user's clearance sweeps simultaneously.

The linkage mechanism 7 comprises a pressing spring 702, a slot 703, a pressing block 704, a blocking pad 705 and a pressing plate 706, wherein the slot 703 is formed in the pressing spring 702, the pressing block 704 is fixedly connected above the pressing spring 702, the blocking pad 705 is bonded above the pressing block 704, and the pressing plate 706 is fixedly connected to the left side and the right side of the pressing block 704.

The extrusion spring 702 is vertically arranged on the upper surface of the extrusion groove 701, the extrusion block 704 and the extrusion groove 701 form a sliding structure through the pressing plate 706, the pressing plate 706 is symmetrically arranged on the left side and the right side of the extrusion block 704, and the extrusion block 704 and the extrusion groove 701 form an elastic structure through the pressing plate 706 and the extrusion spring 702; when a workpiece is stamped, a hydraulic cylinder 1304 on a stamping die mechanism 13 pushes a stamping die 1307 on a push plate 1306 to press downwards through a push rod 1305, a push cylinder 1308 below the stamping die 1307 is in contact with an extrusion block 704, the extrusion block 704 drives a pressing plate 706 to move downwards through extrusion of an extrusion spring 702 below the extrusion block 704, the pressing plate 706 drives a protection plate 803 to move in the moving process, the protection plate 803 rotates on a vertical plate 801 through a rotating shaft 802, a return spring 806 resets while rotating, the pressing plate 706 is pressed by a moving block 805 to prevent the protection plate 803 from resetting, the design can enable the protection plate 803 to be changed from a horizontal shape to a vertical shape, the protection plate 803 is provided with four blocks, each block is symmetrically designed, the linkage mechanism 7 is extruded through the stamping die mechanism 13, the four blocks 803 can protect a die table 6 during processing, scrap and stamping parts generated during stamping are prevented from flying out and smashing personnel, and the design improves the safety of the device, the risk factor is minimized.

The protection mechanism 8 comprises a vertical plate 801, a rotating shaft 802, a protection plate 803, a sound insulation pad 804, a moving block 805 and a return spring 806, wherein the rotating shaft 802 is fixedly connected inside the vertical plate 801, the protection plate 803 is movably connected to the outer wall of the rotating shaft 802, the sound insulation pad 804 is bonded above the protection plate 803, the moving block 805 is movably connected inside the protection plate 803, and the return spring 806 is horizontally arranged on the right side of the moving block 805; meanwhile, the sound insulation pad 804 is further bonded on the protection plate 803, one of the design can be used for sound insulation, and the other design can protect the protection plate 803, so that a workpiece is prevented from smashing the protection plate 803, and the service life of the protection plate 803 is prolonged.

The upper surface of the protection plate 803 is tightly attached to the lower surface of the sound insulation pad 804, and the protection plate 803 and the vertical plate 801 form a rotating structure through the rotating shaft 802.

The die mechanism 13 comprises an upper template 1301, a fixed cabin 1302, a traction rod 1303, a hydraulic cylinder 1304, a push rod 1305, a push plate 1306, a die 1307, a push cylinder 1308, an inserted rod 1309, a punching knife 1310, a tungsten steel grinding head 1311 and a grinding wheel 1312, wherein the fixed cabin 1302 is fixedly connected to the lower portion of the inner portion of the upper template 1301, the traction rod 1303 is movably connected to the inner portion of the fixed cabin 1302, the hydraulic cylinder 1304 is vertically arranged on the left side of the fixed cabin 1302, the push rod 1305 is movably connected to the lower portion of the hydraulic cylinder 1304, the push plate 1306 is movably connected to the lower portion of the push rod 1305, the punching die 1307 is horizontally arranged below the push plate 1306, the push cylinder 1308 is fixedly connected to the lower portion of the punching die 1307, the inserted rod 1309 is movably connected to the lower portion of the push cylinder 1308, the punching knife is vertically arranged on the right side of the push cylinder 1308, the tungsten steel grinding head 1311 is fixedly connected to the inner portion of.

The fixed cabin 1302 is symmetrically arranged on the left side and the right side of the hydraulic cylinder 1304, the traction rods 1303 penetrate through the inside of the fixed cabin 1302, the hydraulic cylinder 1304 and the die 1307 form a telescopic structure through the push rod 1305 and the push plate 1306, the central axis of the push plate 1306 is coincident with the central axis of the die 1307, the push cylinders 1308 are symmetrically arranged on the lower surface of the die 1307, the connection mode between the push cylinders 1308 and the insert rods 1309 is threaded connection, the horizontal line of the tungsten steel grinding head 1311 is perpendicular to the central axis of the grinding wheel 1312, and the tungsten steel grinding head 1311, the grinding wheel 1312 and the die cutter 1310 are of an integrated structure; when a punching die is needed, a user starts the hydraulic cylinder 1304, the hydraulic cylinder 1304 pushes the push rod 1305 and the push plate 1306 to press down the punching die 1307, the push cylinder 1308 is firstly arranged above the extrusion block 704 when the push cylinder is pressed down, the press plate 706 on the extrusion block 704 drives the tail of the protection plate 803 to press down through extrusion of the extrusion block 704 and the extrusion spring 702, so that the head of the protection plate 803 rotates upwards to protect the die table 6, the extrusion mechanism ascends after punching is completed, the tungsten steel grinding head 1311 on the punching knife 1310 can grind the punching hole when the extrusion mechanism ascends, burrs around the hole can be removed, meanwhile, the grinding wheel 1312 can grind the hole diameter for the second time, the hole is smoother, and the quality of the die is further improved.

The working principle of the stamping die is as follows: firstly, a user places a die to be processed in an inner groove of a die table 6, then the user starts a hydraulic cylinder 1304 (model: MOB), the hydraulic cylinder 1304 presses related components below a punching die 1307 downwards through a push rod 1305 and a push plate 1306, firstly, a push cylinder 1308 firstly contacts with an extrusion block 704 arranged in a linkage mechanism 7, the extrusion drives the press plate 706 to press a protection plate 803, the tail end part of the protection plate 803 rotates through a rotating shaft 802 from a parallel shape to a vertical shape to enclose the periphery of the die table 6, so that the scraps and workpieces are prevented from flying and bursting to cause personal injury during punching processing, then, an insertion rod 1309 on the push cylinder 1308 is inserted onto a material baffle plate 502 on a material baffle mechanism 5 through a slot 703 arranged in an extrusion spring 702, the material baffle plate 502 rotates in a fixed frame 501 through the rotating rod 503, so as to close the two material baffle plates 502, and waste materials generated by the punching die 1307 are collected, the device passes through the motion of die mechanism 13, can make the relevant subassembly in the die mechanism 13 can drive protective mechanism 8 and carry out the closure protection to die table 6, can make stock stop 5 carry out the closure check to the waste material again and keep off the collection, form the linkage between the three, improve mobility and the intellectuality of die 1307 device, through stock stop 5, link gear 7, protective mechanism 8 and die mechanism 13, mutually support between the four, make the sweeps that this stamping die produced when the punching press can not splash everywhere and injure the staff, the security when the improvement device uses, the sweeps that the punching press produced is convenient for concentrate the clearance simultaneously, need not make the user bow again or shut down and carry out the sweeps clearance, the safety in production coefficient has been improved, and the intensity of labour has been reduced simultaneously, indirectly improve the work efficiency of device.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a stamping die, includes collecting compartment (1) and die holder (4), its characterized in that: the interior of the collecting cabin (1) is movably connected with a collecting box (2), the left side and the right side of the collecting box (2) are both fixedly connected with a sliding block (3), the lower die holder (4) is positioned above the collecting cabin (1), a material stop mechanism (5) is arranged in the lower die seat (4), a die table (6) is vertically arranged above the lower die seat (4), and a linkage mechanism (7) is arranged in the die table (6), a protection mechanism (8) is arranged on the right side of the linkage mechanism (7), a buffer cabin (9) is vertically arranged at the right side of the protection mechanism (8), a buffer spring (10) is vertically arranged in the buffer cabin (9), and a mandril (11) is vertically arranged above the buffer spring (10), a vertical rod (12) is vertically arranged on the right side of the buffer cabin (9), and a die stamping mechanism (13) is fixedly connected above the vertical rod (12).

2. A stamping die as claimed in claim 1, wherein: the collecting box (2) and the collecting cabin (1) form a sliding structure through the sliding blocks (3), and the sliding blocks (3) are symmetrically arranged on the left side and the right side of the collecting box (2).

3. A stamping die as claimed in claim 1, wherein: the material blocking mechanism (5) comprises a fixing frame (501), a material blocking plate (502), a rotating rod (503) and a tension spring (504), the rear end of the fixing frame (501) is movably connected with the material blocking plate (502), the inside of the material blocking plate (502) is movably connected with the rotating rod (503), and the tension spring (504) is fixedly connected with the upper portion of the material blocking plate (502).

4. A stamping die as claimed in claim 3, wherein: the fixed frame (501) and the fixed frame (501) form a rotating structure through the rotating rod (503), and the rotating rod (503) penetrates through the fixed frame (501) and the material baffle plate (502).

5. A stamping die as claimed in claim 1, wherein: the linkage mechanism (7) comprises an extrusion spring (702), a slot (703), an extrusion block (704), a blocking pad (705) and a pressing plate (706), the slot (703) is formed in the extrusion spring (702), the extrusion block (704) is fixedly connected to the upper portion of the extrusion spring (702), the blocking pad (705) is bonded to the upper portion of the extrusion block (704), and the pressing plate (706) is fixedly connected to the left side and the right side of the extrusion block (704).

6. A stamping die as claimed in claim 5, wherein: the extrusion spring (702) is vertically arranged on the upper surface of the extrusion groove (701), the extrusion block (704) and the extrusion groove (701) form a sliding structure through the pressing plate (706), the pressing plate (706) is symmetrically arranged on the left side and the right side of the extrusion block (704), and the extrusion block (704) and the extrusion groove (701) form an elastic structure through the pressing plate (706), the extrusion spring (702) and the extrusion groove (701).

7. A stamping die as claimed in claim 1, wherein: protection machanism (8) include riser (801), pivot (802), guard plate (803), give sound insulation and fill up (804), move piece (805) and reset spring (806), the inside fixedly connected with pivot (802) of riser (801), and the outer wall swing joint of pivot (802) has guard plate (803), the top of guard plate (803) is glued and is had the pad (804) that gives sound insulation, and the inside swing joint of guard plate (803) has the piece (805) that moves, the right side level of moving piece (805) has installed reset spring (806).

8. A stamping die as claimed in claim 7, wherein: the upper surface of the protection plate (803) is tightly attached to the lower surface of the sound insulation pad (804), and the protection plate (803) and the vertical plate (801) form a rotating structure through the rotating shaft (802).

9. A stamping die as claimed in claim 1, wherein: the die stamping mechanism (13) comprises an upper die plate (1301), a fixed cabin (1302), a traction rod (1303), a hydraulic cylinder (1304), a push rod (1305), a push plate (1306), a die stamping (1307), a push cylinder (1308), an inserted rod (1309), a die stamping knife (1310), a tungsten steel grinding head (1311) and a grinding wheel (1312), wherein the fixed cabin (1302) is fixedly connected to the lower portion of the interior of the upper die plate (1301), the traction rod (1303) is movably connected to the interior of the fixed cabin (1302), the hydraulic cylinder (1304) is vertically arranged on the left side of the fixed cabin (1302), the push rod (1305) is movably connected to the lower portion of the interior of the hydraulic cylinder (1304), the push plate (1306) is movably connected to the lower portion of the push plate (1305), the die stamping (1307) is horizontally arranged below the push plate (1306), the push cylinder (1308) is fixedly connected to the lower portion of the die stamping die (1307), and the inserted rod (1309), a stamping knife (1310) is vertically arranged on the right side of the push cylinder (1308), a tungsten steel grinding head (1311) is fixedly connected inside the stamping knife (1310), and a grinding wheel (1312) is horizontally arranged below the tungsten steel grinding head (1311).

10. A stamping die as claimed in claim 9, wherein: the grinding device comprises a fixed cabin (1302), traction rods (1303) and push cylinders (1305), wherein the fixed cabin (1302) is symmetrically arranged on the left side and the right side of a hydraulic cylinder (1304), the traction rods (1303) penetrate through the fixed cabin (1302), the hydraulic cylinder (1304) and a punch die (1307) form a telescopic structure through push rods (1305) and push plates (1306), the central axis of the push plates (1306) is coincided with the central axis of the punch die (1307), push cylinders (1308) are symmetrically arranged on the lower surface of the punch die (1307), the push cylinders (1308) are in threaded connection with an inserted rod (1309), the horizontal line of a tungsten steel grinding head (1311) is perpendicular to the central axis of a grinding wheel (1312), and the tungsten steel grinding head (1311), the grinding wheel (1312) and a punch knife (1310) are of an integrated structure.