CN210358846U

CN210358846U - Automatic precision stamping die

Info

Publication number: CN210358846U
Application number: CN201920640021.8U
Authority: CN
Inventors: 陈钱粮
Original assignee: Huizhou Shenma Die Co ltd
Current assignee: Huizhou Shenma Die Co ltd
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-04-21
Anticipated expiration: 2029-05-06

Abstract

The utility model relates to the technical field of auxiliary devices of stamping dies, in particular to an automatic precision stamping die, which leads the material stamping and the material fixing to be carried out simultaneously by adding an auxiliary die, thereby greatly shortening the stamping interval of the stamping die, namely reducing the waste of time, and improving the stamping efficiency of the automatic precision stamping die; the upper die comprises an upper backing plate, a lower backing plate, four groups of supporting columns, a power mechanism, an upper die and a lower die, wherein the top ends of the four groups of supporting columns are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the upper backing plate; the device is characterized by further comprising an adjusting plate, an auxiliary die, a motor, a reciprocating lead screw, two sets of limiting rods, two sets of limiting plates, a supporting bearing, a driving rod, a power plate, two sets of control springs and a control plate, wherein a control cavity is arranged in the middle of the top end of the control plate, and a buffer cavity is arranged in the power plate.

Description

Automatic precision stamping die

Technical Field

The utility model relates to a stamping die auxiliary device's technical field especially relates to an automatic accurate stamping die.

Background

As is well known, a stamping die is a special process equipment for processing materials into parts or semi-finished products in cold stamping, and along with the technological progress and the continuous improvement of the level of mechanical manufacturing, the automation level and the processing precision of the stamping die are higher and higher, wherein the automatic precision stamping die is a device for more precisely cold stamping workpieces into parts or semi-finished products by adopting an automatic detection technology, and is widely used in the field of stamping dies; the existing automatic precision stamping die comprises an upper backing plate, a lower backing plate, four groups of supporting columns, a power mechanism, an upper die and a lower die, wherein the top ends of the four groups of supporting columns are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the upper backing plate; when the existing automatic precise stamping die is used, firstly, a material to be punched is fixed at the top of a lower die through a fixing assembly, then the output end of a power mechanism is controlled through a control panel of a stamping machine to drive an upper die to act, and simultaneously, the stamping process of the material is completed with high precision under the help of the induction positioning of an induction mechanism of the upper die; the existing automatic precise stamping die is found in use, after a group of materials are stamped through the stamping die, a worker needs to detach the group of materials on a lower die to fix the new group of materials, the stamping interval time of the stamping die is long, more time is wasted, the stamping efficiency of the existing automatic precise stamping die is reduced, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a make material punching press and material fixed go on simultaneously through addding auxiliary die, consequently very big stamping die's that has shortened stamping die's punching press interval has reduced the waste of time promptly, therefore can improve automatic accurate stamping die's punching press efficiency to strengthen the automatic accurate stamping die of practicality.

The utility model discloses an automatic accurate stamping die, including the upper padding plate, the lower bolster, four group's support columns, power unit, upper die and lower mould, the top of four group's support columns is connected with the bottom left front side of upper padding plate respectively, left rear side, right front side and right rear side, the bottom of four group's support columns is connected with the top left front side of lower bolster respectively, left rear side, right front side and right rear side, the top of upper padding plate runs through and is provided with the concertina hole, power unit's output slides from the upside of upper padding plate and passes the concertina hole and stretch out to the downside of upper padding plate, power unit's output is connected with the top of upper die, power unit's inside is provided with automatic control mechanism, the inside of upper die is provided with induction mechanism, induction mechanism links with the automatic control mechanism electricity, the top; the device is characterized by further comprising an adjusting plate, an auxiliary die, a motor, a reciprocating screw rod, two groups of limiting rods, two groups of limiting plates, a supporting bearing, a driving rod, a power plate, two groups of control springs and a control plate, wherein the bottom end of the control plate is connected with the top end of the lower backing plate, four groups of control slide holes are respectively arranged on the left front side, the left rear side, the right front side and the right rear side of the top end of the control plate in a penetrating mode, the four groups of control slide holes are respectively sleeved with four groups of supporting columns, a control cavity is arranged in the middle of the top end of the control plate, an insertion hole is formed in the bottom of the right end of the control cavity in a communicating mode, a speed reducer is arranged at the left end of the motor, a rotating shaft is arranged at the left end of the speed reducer in a rotating mode, the left end of the, reciprocating slide block and reciprocating screw rod spiral dress, the right-hand member of reciprocating screw rod is rotated with the left end of pivot and is connected, the left end bottom region in control chamber is provided with supports the groove, support bearing and the fixed clamping in support groove, support bearing and reciprocating screw rod's left end interference are connected, the bottom of regulating plate slides with the top of control panel and hugs closely, the top intercommunication in control chamber is provided with the connector, the regional slip of well upper portion in power board and control chamber clamps, the top of power board is connected with the bottom middle part of regulating plate, the inside of power board is provided with the cushion chamber, the bottom and the control chamber intercommunication in cushion chamber are provided with the buffering slide opening, the top of drive rod slides from the control intracavity and passes the buffering slide opening and stretch into to the cushion chamber, the bottom of drive rod is connected with reciprocating slide block's top, the inner and the outer end of two sets of control springs respectively with the left end and the right-hand member of drive rod and the left end and the right-hand member Paste, the inner of two sets of gag lever posts is connected with the left end and the right-hand member top region of control panel respectively, the top outside of two sets of gag lever posts is connected with the bottom of two sets of limiting plates respectively, the bottom of supplementary mould and lower mould is connected with the top left side and the right side of regulating plate respectively, the top of supplementary mould is provided with supplementary fixed subassembly.

The utility model discloses an automatic accurate stamping die still includes the slide bar, the left end of regulating plate runs through to be provided with adjusts the slide opening, adjust the slide opening and slide the clamping with the slide bar, the left end and the right-hand member of slide bar are connected with the inner of two sets of limiting plates respectively.

The utility model discloses an automatic accurate stamping die still includes firm bearing, the right-hand member intercommunication in control chamber is provided with firm groove, the right-hand member in firm groove and the left end intercommunication of patchhole, firm bearing clamps with firm groove is fixed, firm bearing is connected with the pivot interference.

The utility model discloses an automatic accurate stamping die still includes the fender rod, the left end and the right-hand member of fender rod are connected with the left end and the right-hand member of the cushion chamber of power plate respectively, the left end of drive rod runs through and is provided with the protection slide opening, protection slide opening and fender rod slip suit, two sets of control springs respectively with the regional activity suit in left part and the right part of fender rod.

The utility model discloses an automatic accurate stamping die, the bottom middle part of lower bolster is provided with the clearance hole with the control chamber intercommunication of control panel.

The utility model discloses an automatic accurate stamping die still includes the protection casing, the top of protection casing is run through and is provided with the protection hole, the top of the inside wall in protection hole is provided with solid fixed ring, gu fixed ring's inside wall is connected with the top of the lateral wall of last mould.

The utility model discloses an automatic accurate stamping die still includes the grounding piece, the top of grounding piece and the bottom welding of motor.

The utility model discloses an automatic accurate stamping die still includes two sets of packing rings, two sets of packing rings respectively with the regional slip suit in left part and the right part of slide bar, the inner of two sets of packing rings is connected with the outer end of regulating plate respectively.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, materials to be punched are well fixed on a lower die and an auxiliary die, the auxiliary die and the lower die are identical dies, a power mechanism and a motor are started, the motor drives a speed reducer to work, a rotating shaft of the speed reducer drives a reciprocating screw rod to rotate, a reciprocating slide block drives a power plate to transversely move through a driving rod, a power block drives an adjusting plate to transversely move on the upper side of a control plate, the left end of the adjusting plate is already supported on a limiting plate on the left side when the adjusting plate drives the lower die to move right below an upper die, an induction mechanism of the upper die senses that the lower die is positioned, the induction mechanism sends an action model to an automatic control mechanism of the power mechanism, then the power mechanism drives the upper die to punch materials on the lower die under action signals of the automatic control mechanism, and when the upper die punches the materials on the lower die, the reciprocating screw rod is always in a rotating state, so that the reciprocating slide block continuously drives the driving rod to extrude the left control spring to move on the reciprocating screw rod, when the upper die finishes stamping the material on the lower die, the reciprocating slide block reversely moves, when the driving rod moves to the middle part of the power plate, the reciprocating slide block drives the adjusting plate to reversely slide through the power plate, the lower die gradually separates from the lower side of the upper die, the auxiliary die gradually moves to the lower side of the upper die with unprocessed material, when the right end of the adjusting plate abuts against the right side limiting plate, the auxiliary die finishes positioning at the bottom of the upper die, the power mechanism drives the upper die to move downwards to stamp the material on the auxiliary die, meanwhile, a worker takes down the stamped material on the lower die and fixes the new material to be stamped on the top of the lower die, and simultaneously the reciprocating slide block also drives the driving rod to extrude the right control spring, move then can reverse movement when reciprocating lead screw right-hand member, then just repeated material's on lower mould and the supplementary mould stamping process, make material punching press and material fixed go on simultaneously through addding supplementary mould this moment, very big shortening stamping die's punching press interval, reduced the waste of time promptly, therefore improved automatic accurate stamping die's punching press efficiency to the practicality has been strengthened.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the connection structure of the auxiliary mold and the adjusting plate according to the present invention;

FIG. 3 is a schematic view of the connection structure of the power plate and the driving rod of the present invention;

FIG. 4 is a schematic view of the connection structure of the control plate and the power plate of the present invention;

in the drawings, the reference numbers: 1. an upper base plate; 2. a lower base plate; 3. four groups of support columns; 4. a power mechanism; 5. an upper die; 6. a lower die; 7. an adjusting plate; 8. an auxiliary die; 9. a motor; 10. two sets of limiting rods; 11. two groups of limiting plates; 12. a support bearing; 13. driving the rod; 14. a power plate; 15. two sets of control springs; 16. a control panel; 17. a control chamber; 18. a speed reducer; 19. a reciprocating screw rod; 20. a reciprocating slide block; 21. a slide bar; 22. stabilizing the bearing; 23. a guard bar; 24. cleaning the holes; 25. a protective cover; 26. a fixing ring; 27. a ground plate; 28. two sets of washers; 29. a buffer chamber; 30. buffer slide holes.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the automatic precision stamping die of the present invention comprises an upper backing plate 1, a lower backing plate 2, four groups of supporting columns 3, a power mechanism 4, an upper die 5 and a lower die 6, wherein the top ends of the four groups of supporting columns 3 are respectively connected with the left front side of the bottom end of the upper backing plate 1, the left rear side, the right front side and the right rear side are connected, the bottom ends of four groups of supporting columns 3 are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the top end of a lower base plate 2, a telescopic hole is formed in the top end of an upper base plate 1 in a penetrating mode, the output end of a power mechanism 4 penetrates through the telescopic hole from the upper side of the upper base plate 1 in a sliding mode and extends out of the lower side of the upper base plate 1, the output end of the power mechanism 4 is connected with the top end of an upper die 5, an automatic control mechanism is arranged inside the power mechanism 4, an induction mechanism is arranged inside the upper die 5 and electrically connected with the automatic; the device also comprises an adjusting plate 7, an auxiliary die 8, a motor 9, a reciprocating screw rod, two sets of limiting rods 10, two sets of limiting plates 11, a support bearing 12, a driving rod 13, a power plate 14, two sets of control springs 15 and a control plate 16, wherein the bottom end of the control plate 16 is connected with the top end of the lower backing plate 2, four sets of control slide holes are respectively arranged on the left front side, the left rear side, the right front side and the right rear side of the top end of the control plate 16 in a penetrating way, the four sets of control slide holes are respectively sleeved with the four sets of support columns 3, a control cavity 17 is arranged in the middle of the top end of the control plate 16, an insertion hole is arranged at the bottom of the right end of the control cavity 17 in a communicating way, a speed reducer 18 is arranged at the left end of the motor 9, a rotating shaft is arranged at the left end of the speed reducer 18 in a rotating way, the left end of the, the reciprocating slide block 20 is screwed with the reciprocating screw rod, the right end of the reciprocating screw rod 19 is rotatably connected with the left end of the rotating shaft, a supporting groove is arranged at the bottom area of the left end of the control cavity 17, the supporting bearing 12 is fixedly clamped with the supporting groove, the supporting bearing 12 is in interference connection with the left end of the reciprocating screw rod 19, the bottom end of the adjusting plate 7 is in sliding and clinging contact with the top end of the control plate 16, a connector is arranged at the top end of the control cavity 17 in a communicating manner, the power plate 14 is in sliding and clamping contact with the middle upper area of the control cavity 17, the top end of the power plate 14 is connected with the middle part of the bottom end of the adjusting plate 7, a buffer cavity 29 is arranged inside the power plate 14, a buffer slide hole 30 is arranged at the bottom end of the buffer cavity 29 in a communicating manner with the control cavity 17, the top end of the driving rod 13 slides through the buffer slide hole 30 from the control cavity 17 and extends into the buffer cavity 29, the bottom end of the driving rod 13 is connected with The inner ends of the two groups of limiting rods 10 are respectively connected with the top areas of the left end and the right end of the control plate 16, the outer sides of the top ends of the two groups of limiting rods 10 are respectively connected with the bottom ends of the two groups of limiting plates 11, the bottom ends of the auxiliary die 8 and the lower die 6 are respectively connected with the left side and the right side of the top end of the adjusting plate 7, and the top end of the auxiliary die 8 is provided with an auxiliary fixing component; firstly, materials to be punched are well fixed on a lower die and an auxiliary die, the auxiliary die and the lower die are identical dies, a power mechanism and a motor are started, the motor drives a speed reducer to work, a rotating shaft of the speed reducer drives a reciprocating screw rod to rotate, a reciprocating slide block drives a power plate to transversely move through a driving rod, a power block drives an adjusting plate to transversely move on the upper side of a control plate, the left end of the adjusting plate is already supported on a limiting plate on the left side when the adjusting plate drives the lower die to move right below an upper die, an induction mechanism of the upper die senses that the lower die is positioned, the induction mechanism sends an action model to an automatic control mechanism of the power mechanism, then the power mechanism drives the upper die to punch materials on the lower die under action signals of the automatic control mechanism, and when the upper die punches the materials on the lower die, the reciprocating screw rod is always in a rotating state, so that the reciprocating slide block continuously drives the driving rod to extrude the left control spring to move on the reciprocating screw rod, when the upper die finishes stamping the material on the lower die, the reciprocating slide block reversely moves, when the driving rod moves to the middle part of the power plate, the reciprocating slide block drives the adjusting plate to reversely slide through the power plate, the lower die gradually separates from the lower side of the upper die, the auxiliary die gradually moves to the lower side of the upper die with unprocessed material, when the right end of the adjusting plate abuts against the right side limiting plate, the auxiliary die finishes positioning at the bottom of the upper die, the power mechanism drives the upper die to move downwards to stamp the material on the auxiliary die, meanwhile, a worker takes down the stamped material on the lower die and fixes the new material to be stamped on the top of the lower die, and simultaneously the reciprocating slide block also drives the driving rod to extrude the right control spring, move then can reverse movement when reciprocating lead screw right-hand member, then just repeated material's on lower mould and the supplementary mould stamping process, make material punching press and material fixed go on simultaneously through addding supplementary mould this moment, very big shortening stamping die's punching press interval, reduced the waste of time promptly, therefore improved automatic accurate stamping die's punching press efficiency to the practicality has been strengthened.

The utility model discloses an automatic precision stamping die, still include slide bar 21, the left end of regulating plate 7 runs through and is provided with the regulation slide opening, and the regulation slide opening slides with slide bar 21 and clamps, and the left end and the right-hand member of slide bar 21 are connected with the inner of two sets of limiting plates 11 respectively; in the process that the adjusting plate moves, the probability that the adjusting plate is lifted or deflected at the top end of the control plate is effectively reduced through the limit of the sliding rod, and therefore the stability is enhanced.

The utility model discloses an automatic precision stamping die, still include firm bearing 22, the right-hand member of control chamber 17 communicates and is provided with the firm groove, the right-hand member of firm groove communicates with the left end of patchhole, firm bearing 22 fixes and clamps with the firm groove, firm bearing 22 is connected with the pivot interference; make the pivot drive reciprocal lead screw pivoted more stable through firm bearing, reduced the degree of wear of pivot to the patchhole of control panel simultaneously to the practicality has been strengthened.

The utility model discloses an automatic precision stamping die, still include guard bar 23, the left end and the right-hand member of guard bar 23 are connected with the left end and the right-hand member of the cushion chamber 29 of power plate 14 respectively, the left end of drive rod 13 runs through and is provided with the protection slide opening, the protection slide opening is in sliding fit with guard bar 23, two sets of control springs 15 are in movable fit with the left region and the right region of guard bar 23 respectively; the probability that two groups of control springs are twisted in the buffer cavity is effectively reduced through the guard rod, and therefore reliability is enhanced.

In the automatic precision stamping die of the utility model, the middle part of the bottom end of the lower backing plate 2 is communicated with the control cavity 17 of the control plate 16 and is provided with a cleaning hole 24; the sundries in the control cavity of the control panel can be cleaned more conveniently through the cleaning holes, so that the practicability is enhanced.

The utility model discloses an automatic precision stamping die, still include the protection casing 25, the top of protection casing 25 runs through and is provided with the protection hole, and the top of the inside wall in protection hole is provided with solid fixed ring 26, and the inside wall of solid fixed ring 26 is connected with the top of the outside wall of upper die 5; when the upper die moves down to be matched with the lower die or the auxiliary die to punch materials, once a worker does not notice the action of the upper die, the hand of the worker does not leave from the top of the lower die or the auxiliary die, the protective cover contacts the hand of the worker at the first time, and therefore sufficient time is provided for the worker to withdraw the hand from the lower side of the upper die in time, and the safety is enhanced.

The utility model discloses an automatic precision stamping die, which also comprises a grounding sheet 27, wherein the top end of the grounding sheet 27 is welded with the bottom end of the motor 9; the motor is grounded through the grounding piece, damage caused by electric leakage due to motor faults is effectively reduced, and therefore practicability is enhanced.

The utility model discloses an automatic precision stamping die, still include two sets of packing rings 28, two sets of packing rings 28 slide-fit with left region and right region of slide bar 21 respectively, the inner of two sets of packing rings 28 is connected with the outer end of regulating plate 7 respectively; the regulating plate can bump with two sets of limiting plates when switching from left to right, and protect the regulating plate through two sets of washers, then the effectual striking damage degree that has reduced the regulating plate to the practicality has been strengthened.

The utility model discloses an automatic precision stamping die, it is at work, at first fix the material of wiping of waiting to punch on lower mould and the auxiliary die, the auxiliary die and the lower mould at this place are identical mould, then start power unit and motor through the control panel of punching machine, at this moment the motor drives the reduction gear work, then the pivot of reduction gear drives reciprocal lead screw rotation, then reciprocal slider drives the power board lateral shifting through the drive rod, the power board drives the regulating plate lateral shifting on the upside of control panel simultaneously, until the regulating plate drives the lower mould and moves to the time under the upper mould, the left end of regulating plate has already pushed up on the left limiting plate, at this moment induction mechanism of upper mould senses the lower mould has already been fixed a position, then induction mechanism sends the actuating signal to the automatic control mechanism of power unit, then power unit drives the upper mould under the actuating signal of automatic control mechanism and accomplishes the punching press to the material on the lower mould, when the upper die punches the material on the lower die, the reciprocating screw rod always keeps a rotating state, so the reciprocating slide block continuously drives the driving rod on the reciprocating screw rod to extrude the left control spring to move, after the upper die punches the material on the lower die, the reciprocating slide block moves reversely, when the driving rod moves to the middle part of the power plate, the reciprocating slide block drives the adjusting plate to slide reversely through the power plate, the lower die gradually breaks away from the lower side of the upper die, the auxiliary die carries the unprocessed material to gradually move to the lower side of the upper die, when the right end of the adjusting plate abuts against the right side limiting plate, the auxiliary die finishes positioning at the bottom of the upper die, the power mechanism drives the upper die to move downwards to punch the material on the auxiliary die, meanwhile, a worker takes down the punched material on the lower die and fixes the new material to be punched on the top of the lower die, meanwhile, the reciprocating slide block also drives the driving rod to extrude the control spring on the right side, the control spring can move reversely when moving to the right end of the reciprocating screw rod, and then the stamping process of the materials on the lower die and the auxiliary die is repeated.

The terms "front", "rear", "left", "right" and the like as used herein are for illustrative purposes only.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. An automatic precision stamping die comprises an upper backing plate (1), a lower backing plate (2), four groups of supporting columns (3), a power mechanism (4), an upper die (5) and a lower die (6), wherein the top ends of the four groups of supporting columns (3) are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the upper backing plate (1), the bottom ends of the four groups of supporting columns (3) are respectively connected with the left front side, the left rear side, the right front side and the right rear side of the top end of the lower backing plate (2), a telescopic hole is arranged at the top end of the upper backing plate (1) in a penetrating manner, the output end of the power mechanism (4) slides through the telescopic hole from the upper side of the upper backing plate (1) and extends out of the lower side of the upper backing plate (1), the output end of the power mechanism (4) is connected with the top end of the upper die (5), the induction mechanism is electrically connected with the automatic control mechanism, and a fixing component is arranged at the top end of the lower die (6); the device is characterized by further comprising an adjusting plate (7), an auxiliary die (8), a motor (9), a reciprocating lead screw, two groups of limiting rods (10), two groups of limiting plates (11), a supporting bearing (12), a driving rod (13), a power plate (14), two groups of control springs (15) and a control plate (16), wherein the bottom end of the control plate (16) is connected with the top end of the lower backing plate (2), four groups of control slide holes are respectively arranged on the left front side, the left rear side, the right front side and the right rear side of the top end of the control plate (16) in a penetrating manner, the four groups of control slide holes are respectively sleeved with four groups of supporting columns (3), a control cavity (17) is arranged in the middle of the top end of the control plate (16), an insertion hole is arranged at the bottom of the right end of the control cavity (17) in a communicating manner, a speed reducer (18) is arranged at the, the left end of the rotating shaft passes through the inserting hole from the right side of the control panel (16) in a rotating mode and extends into the control cavity (17), the left end of the speed reducer (18) is connected with the right end of the control panel (16), the reciprocating lead screw is provided with a reciprocating lead screw (19) and a reciprocating sliding block (20), the reciprocating sliding block (20) is in threaded connection with the reciprocating lead screw, the right end of the reciprocating lead screw (19) is rotatably connected with the left end of the rotating shaft, a supporting groove is formed in the bottom area of the left end of the control cavity (17), the supporting bearing (12) is fixedly clamped with the supporting groove, the supporting bearing (12) is in interference connection with the left end of the reciprocating lead screw (19), the bottom end of the adjusting plate (7) is in sliding fit with the top end of the control panel (16), a connecting port is communicated with the top end of the control cavity (17), and the power plate (14) is in sliding clamp with the middle-upper, the top of power plate (14) is connected with the bottom middle part of regulating plate (7), the inside of power plate (14) is provided with cushion chamber (29), the bottom and the control chamber (17) intercommunication of cushion chamber (29) are provided with buffering slide opening (30), the top of drive rod (13) slides from control chamber (17) and passes buffering slide opening (30) and stretch into to cushion chamber (29) in, the bottom of drive rod (13) is connected with the top of reciprocal slider (20), the inner and the outer end of two sets of control spring (15) are hugged closely with the left end and the right-hand member of drive rod (13) and the left end and the right-hand member top region of cushion chamber (29) respectively, the inner of two sets of gag lever post (10) is connected with the left end and the right-hand member top region of control panel (16) respectively, the top outside of two sets of gag lever post (10) is connected with the bottom of two sets of limiting plate (11) respectively, the bottom of supplementary mould (8) and lower mould (6) is connected with the top left side and the right side of regulating plate (7) respectively, the top of supplementary mould (8) is provided with supplementary fixed subassembly.

2. The automatic precision stamping die of claim 1, further comprising a sliding rod (21), wherein the left end of the adjusting plate (7) is provided with an adjusting sliding hole, the adjusting sliding hole is slidably clamped with the sliding rod (21), and the left end and the right end of the sliding rod (21) are respectively connected with the inner ends of the two sets of limiting plates (11).

3. The automatic precision stamping die of claim 2, further comprising a stabilizing bearing (22), wherein a stabilizing groove is arranged at the right end of the control cavity (17) in a communicating manner, the right end of the stabilizing groove is communicated with the left end of the insertion hole, the stabilizing bearing (22) is fixedly clamped with the stabilizing groove, and the stabilizing bearing (22) is in interference connection with the rotating shaft.

4. The automatic precision stamping die of claim 3, further comprising a guard bar (23), wherein the left end and the right end of the guard bar (23) are respectively connected with the left end and the right end of the buffer cavity (29) of the power plate (14), the left end of the driving bar (13) is provided with a guard sliding hole in a penetrating manner, the guard sliding hole is slidably sleeved with the guard bar (23), and the two sets of control springs (15) are respectively movably sleeved with the left area and the right area of the guard bar (23).

5. An automatic precision stamping die as claimed in claim 4, characterised in that the bottom middle of the lower backing plate (2) is provided with a cleaning hole (24) communicating with the control cavity (17) of the control plate (16).

6. The automatic precision stamping die of claim 5, further comprising a protective cover (25), wherein a protective hole is formed through the top end of the protective cover (25), a fixing ring (26) is arranged on the top of the inner side wall of the protective hole, and the inner side wall of the fixing ring (26) is connected with the top of the outer side wall of the upper die (5).

7. An automatic precision press-stamping die as claimed in claim 6, further comprising a grounding plate (27), wherein the top end of the grounding plate (27) is welded to the bottom end of the motor (9).

8. An automatic precision stamping die according to claim 7, further comprising two sets of washers (28), wherein the two sets of washers (28) are slidably fitted with the left and right regions of the slide bar (21), respectively, and the inner ends of the two sets of washers (28) are connected with the outer ends of the adjusting plate (7), respectively.