CN115069909B

CN115069909B - Covering part stamping die with rotation function

Info

Publication number: CN115069909B
Application number: CN202211009349.2A
Authority: CN
Inventors: 闫博; 戴伟川; 董晓林; 葛玉晓; 高世成; 李子良
Original assignee: Hebei Jinhuan Tool&die Co ltd
Current assignee: Hebei Jinhuan Tool&die Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2022-11-15
Anticipated expiration: 2042-08-23
Also published as: CN115069909A

Abstract

The invention discloses a covering part stamping die with a rotating function, which comprises an upper die base and a lower die base which are correspondingly arranged, wherein an upper template and a stripper plate are sequentially arranged on the lower side of the upper die base, a lower template and a stripper plate are sequentially arranged on the upper side of the lower die base, and a nitrogen spring is arranged between the lower template and the stripper plate; the nitrogen spring is used for separating the lower template from the stripper plate; a guide sleeve is arranged at the end part of the upper die holder, and a guide pillar matched with the guide sleeve is arranged on the lower die holder; the lower side of the upper template is fixedly connected with a vertical rod, the middle part of the stripper plate is provided with a guide groove, a sliding rod is arranged in the guide groove, the vertical rod is in transmission connection with the sliding rod, one end of the guide groove is provided with a reversing mechanism, and the reversing mechanism is in transmission connection with the sliding rod. According to the invention, through the U-shaped guide piece on the sliding rod and the guide wheel in the reversing mechanism, the reversing precision of the reversing mechanism is ensured, and the consistency of each rotation angle of the reversing head is ensured; through the scheme, the problems that in the production process of the covering part, the rotation of the processed workpiece is time-consuming and poor in precision are solved.

Description

Covering part stamping die with rotation function

Technical Field

The invention belongs to the field of stamping dies, and particularly relates to a stamping die for a covering part with a rotating function.

Background

Stamping is one of four major processes in automobile manufacturing, and the manufacturing accuracy of a vehicle body depends to a large extent on the die accuracy of stamping and assembly thereof. The production mode of the automobile covering parts is mainly determined by batch production, automatic or semi-automatic production is generally adopted, and the automobile covering parts are usually designed symmetrically and can be arranged in a stamping die to improve the production takt.

CN210435191U discloses a car door after-poppet stamping die, stamping die includes upper die base and die holder, and the upper die base below can dismantle and be connected with the die holder, and the upper die base lower surface can dismantle and be connected with the guide pillar, and guide pillar one end fixedly connected with connecting block, guide pillar outer wall have seted up the through-hole, and the through-hole is inside to be rotated and is connected with cylindrical roller, and the connecting rod has all been welded at the cylindrical roller both ends, and the bearing is installed to connecting rod one end, and die holder upper surface fixedly connected with guide pin bushing. For those skilled in the art, in the use process of the stamping die for the rear support of the vehicle door, materials need to be rotated by 180 degrees and then stamped again, at present, a manipulator or manual assistance is usually used for overturning, and accurate positioning of the materials needs to be guaranteed after overturning.

CN104259306A discloses a stamping method of a hood outer plate, which comprises the following steps of processing by adopting a continuous stamping die, and S1, drawing a plate to be processed by adopting a drawing stamping die to form a groove on the plate to be processed; s2, trimming the drawn plate by adopting a trimming stamping die to eliminate burrs at the edge of the plate; s3, performing primary flanging and shaping on the trimmed plate by adopting a first flanging, shaping and stamping die to form a flanging; and S4, performing secondary flanging and shaping on the trimmed and processed plate by adopting a second flanging, shaping and stamping die. A stamping device for a hood outer plate comprises an upper die, a lower die, a drawing stamping die, a trimming stamping die, a first flanging reshaping stamping die and a second flanging reshaping stamping die, wherein the drawing stamping die, the trimming stamping die, the first flanging reshaping stamping die and the second flanging reshaping stamping die are arranged between the upper die and the lower die in sequence from left to right; the drawing stamping die is used for drawing a plate to be machined, the trimming stamping die is used for trimming the drawn plate, the first flanging, shaping and stamping die is used for performing first flanging and shaping on the trimmed plate, and the second flanging, shaping and stamping die is used for performing second flanging and shaping on the first flanging and shaped plate. According to the invention, multi-step forming of the plate is realized by adopting a plurality of stamping dies, each stamping die realizes the function in one stamping step, and the plate realizes directional movement of the plate through a mechanical arm or a conveying device.

At present, symmetry automobile panel is mostly symmetry product, in the covering production, can produce two the same covering in same mould usually, through two consecutive punching presses, can become the shape of design with the covering punching press, can guarantee product uniformity and production efficiency simultaneously, consequently, every completion one connects the bat to need artifical or machinery to overturn the part or rotate, consider the safety factor, often need the press to arrive and just can overturn or rotate the operation after spacing, waste time and energy, and the precision is not high.

Disclosure of Invention

The invention aims to provide a covering part stamping die capable of automatically rotating a workpiece.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a covering part stamping die with a rotating function comprises an upper die base and a lower die base which are correspondingly arranged, wherein an upper template and a stripper plate are sequentially arranged on the lower side of the upper die base, a lower template and a stripper plate are sequentially arranged on the upper side of the lower die base, and a nitrogen spring is arranged between the lower template and the stripper plate; the nitrogen spring is used for separating the lower template from the stripper plate; the end part of the upper die base is provided with a guide sleeve, and the lower die base is provided with a guide pillar matched with the guide sleeve; the stripper plate comprises an upper template and is characterized in that a vertical rod is fixedly connected to the lower side of the upper template, a guide groove is formed in the middle of the stripper plate, a sliding rod is arranged in the guide groove, the vertical rod is in transmission connection with the sliding rod through a transmission mechanism, a reversing mechanism is arranged at one end of the guide groove, and the reversing mechanism is in transmission connection with the sliding rod.

Furthermore, the transmission mechanism comprises a guide piece arranged on the vertical rod and a sliding seat arranged on the sliding rod; the guide piece is connected with the sliding seat in a sliding mode.

Furthermore, the transmission mechanism further comprises an angle adjusting device, wherein the angle adjusting device comprises a side sliding rod arranged at the upper part of the upright rod, a side sliding block connected with the side sliding rod in a sliding manner, and a direction adjusting connecting rod with one end rotatably connected to the side sliding block; the guide piece comprises a cylindrical guide main body, a first guide rod arranged on one side of the guide main body and a second guide rod arranged on the other side of the guide main body; the first guide rod and the second guide rod are arranged in parallel; the guide main body is rotatably connected to the upright rod; the direction-adjusting connecting rod comprises a direction-adjusting rod and a direction-adjusting sliding groove arranged at the lower part of the direction-adjusting rod; the first guide rod is connected with the direction adjusting rod in a sliding mode through the direction adjusting sliding groove; the sliding rod is provided with a rotating ring, and the guide piece is rotationally connected to the rotating ring; the sliding seat comprises a seat body, a rotating table arranged on one side of the seat body and a clamping groove arranged at one end of the rotating table; the second guide rod is connected with the clamping groove in a sliding manner; and one end of the side sliding rod is provided with an adjusting nut, and the adjusting nut drives the side sliding block to axially slide along the side sliding rod.

Furthermore, the reversing mechanism comprises a steering shaft which is rotatably connected to the stripper plate, a steering spring which is arranged at the lower end of the steering shaft, a ratchet wheel which is fixedly connected to the lower part of the steering shaft and a steering head which is fixedly connected to the upper end of the steering shaft; the middle part of the sliding rod is provided with a rack meshed with the ratchet wheel, and the rack drives the steering head to rotate through the ratchet wheel.

Further, the reversing mechanism further comprises a guide device; the guide device comprises a steering seat fixedly connected to the stripper plate and guide wheels rotatably connected to two sides of the steering seat, and a U-shaped guide piece is arranged in the middle of the sliding rod; the U-shaped guide piece is arranged between the rack and the sliding seat; and a sliding groove for accommodating the guide wheel to slide is arranged in the U-shaped guide piece.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the workpiece is separated from the lower template by arranging the stripper plate, and the workpiece is rotated by a certain angle through the reversing mechanism, so that the workpiece is rotated; the vertical rod drives the sliding rod to transversely slide in the guide groove, so that the reversing mechanism is driven to move, the workpiece is prevented from being manually rotated or the manipulator or other tools are used for assisting, the working efficiency is improved, and the waiting time of the die is avoided; the transmission mechanism is provided with an angle adjusting device, and the angle of the guide piece is adjusted by adjusting the position of the sliding block, so that the transmission ratio of the vertical rod and the sliding rod is changed, the rotation angle of the reversing mechanism is further changed, and the workpiece can rotate by any angle according to actual requirements; the transmission device uses a ratchet wheel to ensure that the rotation direction of the reversing mechanism is fixed, so that production accidents caused by the rotation of workpieces are prevented; the reversing precision of the reversing mechanism is ensured through the U-shaped guide piece on the sliding rod and the guide wheel in the reversing mechanism, and the consistency of each rotation angle of the reversing head is ensured; through the scheme, the problems that in the production process of the covering part, the rotation of the processed workpiece is time-consuming and poor in precision are solved.

Drawings

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

FIG. 2 is a schematic structural view of a lower die holder according to the present invention;

FIG. 3 is a schematic structural view of an upper die base of the present invention;

FIG. 4 is a schematic view of the structure of the transmission mechanism of the present invention;

FIG. 5 is a schematic structural view of a guide mechanism according to the present invention;

FIG. 6 is a schematic view of a sliding seat structure according to the present invention;

FIG. 7 is a schematic view of a guide member according to the present invention;

FIG. 8 is a schematic view of a direction-adjusting connecting rod according to the present invention;

FIG. 9 is a top view of the first and second stampings in accordance with the present invention.

In the drawings: 11 upper die seats, 12 upper die plates, 13 stripper plates, 14 vertical rods, 141 side sliding rods, 21 lower die seats, 22 lower die plates, 23 stripper plates, 231 guide grooves, 31 side sliding blocks, 32 adjusting nuts, 33 guide pieces, 331 guide main bodies, 332 first guide rods, 333 second guide rods, 34 direction adjusting connecting rods, 341 direction adjusting rods, 342 direction adjusting sliding grooves, 41 sliding rods, 411 rotating rings, 42 sliding seats, 421 seat bodies, 422 rotating tables, 423 clamping grooves, 43 racks, 44U-shaped guide pieces, 51 steering seats, 52 steering shafts, 53 ratchets, 54 guide wheels, 55 steering heads, 56 steering springs, 6 nitrogen springs, 7 first stamping parts, 8 second stamping parts, 91 guide sleeves and 92 guide posts.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-6, a cover stamping die with a rotation function comprises an upper die holder 11 mounted on an upper slide block of a press and a lower die holder 21 mounted on a lower slide block, wherein an upper die plate 12 and a discharging plate 13 are sequentially arranged on the lower side of the upper die holder 11, a lower die plate 22 and a stripper plate 23 are sequentially arranged on the upper side of the lower die holder 21, and a nitrogen spring 6 is arranged between the lower die plate 22 and the stripper plate 23; the nitrogen spring 6 is used for separating the lower template 22 and the stripper plate 23; a guide sleeve 91 is arranged at the end part of the upper die holder 11, and a guide post 92 matched with the guide sleeve 91 is arranged on the lower die holder 21; a vertical rod 14 is fixedly connected to the lower side of the upper template 12, and the vertical rod 14 penetrates through the stripper plate 23 and the lower template 22; the middle part of the stripper plate 23 is provided with a guide groove 231, a sliding rod 41 is arranged in the guide groove 231, the upright rod 14 is in transmission connection with the sliding rod 41 through a transmission mechanism, and the transmission mechanism comprises a guide piece 33 arranged on the upright rod 14 and a sliding seat 42 arranged on the sliding rod 41; the guide member 33 is slidably connected with the sliding seat 42; one end of the guide groove 231 is provided with a reversing mechanism, and the reversing mechanism is in transmission connection with the sliding rod 41; the reversing mechanism comprises a steering shaft 52 rotationally connected to the stripper plate 23, a steering spring 56 arranged at the lower end of the steering shaft 52, a ratchet wheel 53 fixedly connected to the lower part of the steering shaft 52 and a steering head 55 fixedly connected to the upper end of the steering shaft 52; the middle part of the sliding rod 41 is provided with a rack 43 meshed with the ratchet wheel 53, and the number of teeth on the rack 43 is 1/2 of that of the ratchet wheel 53.

As shown in fig. 1-6, after the die is installed and debugged, the stripper plate 23 is separated from the lower die plate 22 by 5cm under the action of the nitrogen spring 6, the plate is sent to a punching area, and the positioning hole in the plate is clamped and positioned with the steering head 55; under the action of the press, the upper die base 11 is pressed down into a pressing stroke: the guide sleeve 91 slides along the guide post 92 to ensure the positioning and levelness of the die, the stripper plate 13 presses the plate on the stripper plate 23, the upper die base 11 continues to move downwards, the stripper plate 23 is attached to the lower die plate 22, the stripper plate 13 is attached to the upper die plate 12, meanwhile, the plate is pressed and formed, the semi-finished products of the first stamping part 7 and the second stamping part 8 travel, in the descending process of the upper die base 11, the upright 14 moves downwards along with the upper die plate 12, the guide part 33 on the upright 14 drives the sliding rod 41 to slide towards the outer side of the die, the rack 43 drives the ratchet 53 to idle, and the steering mechanism is static; the plate enters an upward stroke after being formed: the upper die holder 11 moves upwards, the stripper plate 13 separates the plate from the upper die and presses the plate against the stripper plate 23, the stripper plate 23 is separated from the lower die plate 22 under the action of the nitrogen spring 6, the upper die holder 11 continues to move upwards, the stripper plate 13 is separated from the plate, at this time, under the action of the steering spring 56, the steering head 55 upwards jacks up the plate, the first stamping part 7 and the second stamping part 8 are separated from the stripper plate 23, the rising upright 14 drives the sliding rod 41 to move towards the inner side of the die, the rack 43 is immediately meshed with the ratchet 53, the upper die holder 11 continues to move upwards, the rack 43 further slides towards the die under the drive of the upright 14 and drives the steering head 55 to rotate 180 degrees through the ratchet 53, and at this time, the first stamping part 7 and the second stamping part 8 rotate 180 degrees under the action of the steering head 55; and then repeating the downward stroke and the upward stroke, finishing the product forming, and taking the finished products of the first stamping part 7 and the second stamping part 8 out of the die by manpower or equipment.

Example 2

As shown in fig. 1-8

A covering part stamping die with a rotating function comprises an upper die base 11 and a lower die base 21, wherein an upper template 12 and a stripper plate 13 are sequentially arranged on the lower side of the upper die base 11, a lower template 22 and a stripper plate 23 are sequentially arranged on the upper side of the lower die base 21, and a nitrogen spring 6 is arranged between the lower template 22 and the stripper plate 23; the nitrogen spring 6 is used for separating the lower template 22 and the stripper plate 23; a guide sleeve 91 is arranged at the end part of the upper die holder 11, and a guide post 92 matched with the guide sleeve 91 is arranged on the lower die holder 21; the lower side of the upper template 12 is fixedly connected with a vertical rod 14, and the vertical rod 14 penetrates through the stripper plate 23 and the lower template 22; the middle part of the stripper plate 23 is provided with a guide groove 231, a sliding rod 41 is arranged in the guide groove 231, the upright rod 14 is in transmission connection with the sliding rod 41 through a transmission mechanism, and the transmission mechanism comprises a guide member 33 arranged on the upright rod 14, an angle adjusting device and a sliding seat 42 arranged on the sliding rod 41; the guide member 33 is slidably connected with the sliding seat 42; the angle adjusting device comprises a side sliding rod 141 arranged at the upper part of the upright rod 14, a side sliding block 31 connected with the side sliding rod 141 in a sliding way, and a direction adjusting connecting rod 34 with one end rotatably connected with the side sliding block 31; the guide 33 includes a guide main body 331 having a cylindrical shape, a first guide rod 332 provided at one side of the guide main body 331, and a second guide rod 333 provided at the other side of the guide main body 331; the first guide rod 332 is arranged in parallel with the second guide rod 333; the guide main body 331 is rotatably connected to the upright rod 14; the direction-adjusting connecting rod 34 comprises a direction-adjusting rod 341 and a direction-adjusting chute 342 arranged at the lower part of the direction-adjusting rod 341; the first guiding rod 332 is slidably connected with the direction adjusting rod 341 through the direction adjusting chute 342; the sliding rod 41 is provided with a rotating ring 411, and the guide piece 33 is rotatably connected to the rotating ring 411; the sliding seat 42 comprises a seat body 421, a rotating table 422 arranged on one side of the seat body 421, and a clamping groove 423 arranged at one end of the rotating table 422; the second guide rod 333 is slidably connected with the locking groove 423; an adjusting nut 32 is arranged at one end of the side sliding rod 141, and the adjusting nut 32 drives the side sliding block 31 to slide along the axial direction of the side sliding rod 141; one end of the guide groove 231 is provided with a reversing mechanism, and the reversing mechanism is in transmission connection with the sliding rod 41; the reversing mechanism comprises a steering shaft 52 rotationally connected to the stripper plate 23, a steering spring 56 arranged at the lower end of the steering shaft 52, a ratchet wheel 53 fixedly connected to the lower part of the steering shaft 52 and a steering head 55 fixedly connected to the upper end of the steering shaft 52; the middle part of the sliding rod 41 is provided with a rack 43 engaged with the ratchet wheel 53, and the rack 43 drives the steering head 55 to rotate through the ratchet wheel 53.

Mode of use

As shown in fig. 1 to 8, similar to embodiment 1, the rack 43 is replaced, the number of teeth of the rack 43 is 1/4 of the number of teeth of the ratchet wheel 53, a debugging mold is installed, in order to increase the rotation speed of the steering head 55, the angle between the second guide rod 333 and the sliding rod 41 is reduced, the adjusting nut 32 is rotated, the side slider 31 slides towards the adjusting nut 32 and drives the steering connecting rod 34 to slide outwards, the guide member 33 simultaneously rotates clockwise, the horizontal included angle of the first guide rod 332 is reduced, and simultaneously drives the second guide rod 333 to rotate clockwise, and the second guide rod 333 drives the rotating table 422 to rotate; after the angle is adjusted, the adjusting nut 32 is locked; different from the use effect of the embodiment, in the embodiment, the stroke of the upper die holder 11 is shorter, the rotation angle of the steering head 55 is 90 degrees each time, and the speed of each rotation is also faster. If it is desired to reduce the rotational speed, the adjusting nut 32 needs to be rotated in the reverse direction.

Example 3

As shown in fig. 1-9

A covering part stamping die with a rotating function comprises an upper die base 11 and a lower die base 21, wherein an upper template 12 and a stripper plate 13 are sequentially arranged on the lower side of the upper die base 11, a lower template 22 and a stripper plate 23 are sequentially arranged on the upper side of the lower die base 21, and a nitrogen spring 6 is arranged between the lower template 22 and the stripper plate 23; the nitrogen spring 6 is used for separating the lower template 22 and the stripper plate 23; a guide sleeve 91 is arranged at the end part of the upper die holder 11, and a guide post 92 matched with the guide sleeve 91 is arranged on the lower die holder 21; the lower side of the upper template 12 is fixedly connected with a vertical rod 14, and the vertical rod 14 penetrates through the stripper plate 23 and the lower template 22; the middle part of the stripper plate 23 is provided with a guide groove 231, a sliding rod 41 is arranged in the guide groove 231, the upright rod 14 is in transmission connection with the sliding rod 41 through a transmission mechanism, and the transmission mechanism comprises a guide member 33 arranged on the upright rod 14, an angle adjusting device and a sliding seat 42 arranged on the sliding rod 41; the guide member 33 is slidably connected with the sliding seat 42; the angle adjusting device comprises a side sliding rod 141 arranged at the upper part of the upright rod 14, a side sliding block 31 connected with the side sliding rod 141 in a sliding way, and a direction adjusting connecting rod 34 with one end rotatably connected with the side sliding block 31; the guide 33 includes a cylindrical guide body 331, a first guide rod 332 disposed at one side of the guide body 331, and a second guide rod 333 disposed at the other side of the guide body 331; the first guide rod 332 is arranged in parallel with the second guide rod 333; the guide main body 331 is rotatably connected to the upright rod 14; the direction-adjusting connecting rod 34 comprises a direction-adjusting rod 341 and a direction-adjusting chute 342 arranged at the lower part of the direction-adjusting rod 341; the first guiding rod 332 is slidably connected with the direction adjusting rod 341 through the direction adjusting chute 342; the sliding rod 41 is provided with a rotating ring 411, and the guide piece 33 is rotatably connected to the rotating ring 411; the sliding seat 42 comprises a seat body 421, a rotating table 422 arranged on one side of the seat body 421, and a clamping groove 423 arranged at one end of the rotating table 422; the second guide rod 333 is slidably connected with the locking groove 423; an adjusting nut 32 is arranged at one end of the side sliding rod 141, the adjusting nut 32 drives the side sliding block 31 to slide along the axial direction of the side sliding rod 141, and a reversing mechanism is arranged at one end of the guide groove 231 and is in transmission connection with the sliding rod 41; the reversing mechanism comprises a steering shaft 52 rotationally connected to the stripper plate 23, a steering spring 56 arranged at the lower end of the steering shaft 52, a ratchet wheel 53 fixedly connected to the lower part of the steering shaft 52, a guiding device and a steering head 55 fixedly connected to the upper end of the steering shaft 52; a rack 43 meshed with the ratchet wheel is arranged in the middle of the sliding rod 41; the middle part of the sliding rod 41 is provided with a rack 43 meshed with the ratchet wheel 53; the guiding device comprises a steering seat 51 fixedly connected to the stripper plate 23 and guiding wheels 54 rotatably connected to two sides of the steering seat 51; the guide wheel 54 is arranged perpendicular to the steering head 55; a U-shaped guide piece 44 is fixedly connected to the middle part of the sliding rod 41; the U-shaped guide piece 44 is arranged between the rack 43 and the sliding seat 42, a sliding groove for accommodating the guide wheel 54 to slide is arranged inside the U-shaped guide piece 44, and the number of teeth on the rack 43 is 1/2 of the number of teeth on the ratchet wheel 53.

Mode of use

As shown in fig. 1 to 9, similar to embodiment 2, in order to ensure the steering accuracy of the steering head 55, during the upward stroke, the rack 43 drives the steering head 55 to rotate 180 degrees through the ratchet 53, and simultaneously the steering base 51 is driven to rotate 180 degrees through the steering shaft 52, at this time, the guide wheels 54 on both sides of the steering base 51 are arranged along the direction of the sliding rod 41, the sliding rod 41 continues to slide towards the inside of the mold, the sliding rod 41 drives the U-shaped guide 44 to move towards the guide wheels 54, and finally, the guide wheels 54 slide into the U-shaped guide 44 along the guide groove 231, so as to ensure that the guide wheels 54 are parallel to the sliding rod 41.

The embodiments described above are only preferred embodiments of the invention and are not exhaustive of the possible implementations of the invention. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, but would not bring the invention so modified beyond the spirit and scope of the present invention.

Claims

1. The utility model provides a covering piece stamping die with rotation function which characterized in that: the die comprises an upper die holder (11) and a lower die holder (21) which are correspondingly arranged, wherein an upper template (12) and a stripper plate (13) are sequentially arranged on the lower side of the upper die holder (11), a lower template (22) and a stripper plate (23) are sequentially arranged on the upper side of the lower die holder (21), and a nitrogen spring (6) is arranged between the lower template (22) and the stripper plate (23); the nitrogen spring (6) is used for separating the lower template (22) and the stripper plate (23); a guide sleeve (91) is arranged at the end part of the upper die holder (11), and a guide pillar (92) matched with the guide sleeve (91) is arranged on the lower die holder (21); the die comprises an upper die plate (12), a vertical rod (14) is fixedly connected to the lower side of the upper die plate (12), a guide groove (231) is formed in the middle of a stripper plate (23), a sliding rod (41) is arranged in the guide groove (231), the vertical rod (14) is in transmission connection with the sliding rod (41) through a transmission mechanism, a reversing mechanism is arranged at one end of the guide groove (231), and the reversing mechanism is in transmission connection with the sliding rod (41).

2. The cover member stamping die with a rotation function as claimed in claim 1, wherein: the transmission mechanism comprises a guide piece (33) arranged on the vertical rod (14) and a sliding seat (42) arranged on the sliding rod (41); the guide piece (33) is connected with the sliding seat (42) in a sliding mode.

3. The cover member stamping die with a rotation function as claimed in claim 2, wherein: the transmission mechanism further comprises an angle adjusting device, and the angle adjusting device comprises a side sliding rod (141) arranged at the upper part of the upright rod (14), a side sliding block (31) connected with the side sliding rod (141) in a sliding manner, and a direction adjusting connecting rod (34) with one end rotatably connected to the side sliding block (31); the guide (33) includes a cylindrical guide body (331), a first guide rod (332) disposed at one side of the guide body (331), and a second guide rod (333) disposed at the other side of the guide body (331); the first guide rod (332) and the second guide rod (333) are arranged in parallel; the guide main body (331) is rotatably connected to the upright rod (14); the direction adjusting connecting rod (34) comprises a direction adjusting rod (341) and a direction adjusting sliding groove (342) arranged at the lower part of the direction adjusting rod (341); the first guide rod (332) is connected with the direction adjusting rod (341) in a sliding way through the direction adjusting chute (342); the sliding rod (41) is provided with a rotating ring (411), and the guide piece (33) is rotatably connected to the rotating ring (411); the sliding seat (42) comprises a seat body (421), a rotating table (422) arranged on one side of the seat body (421) and a clamping groove (423) arranged at one end of the rotating table (422); the second guide rod (333) is in sliding connection with the clamping groove (423); side slide bar (141) one end is provided with adjusting nut (32), adjusting nut (32) drive side slider (31) are along sideslip pole (141) endwise slip.

4. The cover member stamping die with a rotation function as claimed in claim 2, wherein: the reversing mechanism comprises a steering shaft (52) rotatably connected to the stripper plate (23), a steering spring (56) arranged at the lower end of the steering shaft (52), a ratchet wheel (53) fixedly connected to the lower part of the steering shaft (52) and a steering head (55) fixedly connected to the upper end of the steering shaft (52); the middle part of the sliding rod (41) is provided with a rack (43) meshed with the ratchet wheel (53).

5. The cover member stamping die with a rotation function as claimed in claim 4, wherein: the reversing mechanism further comprises a guide device; the guide device comprises a steering seat (51) fixedly connected to the stripper plate (23) and guide wheels (54) rotatably connected to two sides of the steering seat (51); a U-shaped guide piece (44) is arranged in the middle of the sliding rod (41); the U-shaped guide (44) is arranged between the rack (43) and the sliding seat (42); the U-shaped guide piece (44) is internally provided with a sliding groove for accommodating the guide wheel (54) to slide.