CN215237164U

CN215237164U - High-stability stamping die

Info

Publication number: CN215237164U
Application number: CN202120210557.3U
Authority: CN
Inventors: 刘占梅
Original assignee: Tianjin Runfei Technology Co ltd
Current assignee: Tianjin Runfei Technology Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-12-21
Anticipated expiration: 2031-01-25

Abstract

The utility model belongs to the technical field of stamping die and specifically relates to a high stability type stamping die is related to, which comprises a bod, go up mould subassembly and lower bolster, go up the equal rigid coupling of mould subassembly and lower bolster on the organism, the lower bolster is located the below of mould subassembly and has the interval, run through on the lower bolster and seted up first punching groove and second punching groove, the bore in first punching groove is less than the bore in second punching groove, one side that the lower bolster is close to last mould subassembly can be dismantled and be connected with spacing subassembly, spacing subassembly is located the both sides of raw materials board and slides with the raw materials board and is connected, it just has seted up the adaptation groove to spacing subassembly department to go up the mould subassembly. The spacing subassembly of this application is spacing to the raw materials board from the both sides of raw materials board, reduces the raw materials board degree of taking place the skew when removing, makes twice punch a hole and is located same central line, has the effect that improves stamping die and punches a hole preparation machined part precision.

Description

High-stability stamping die

Technical Field

The application relates to stamping die's field especially relates to a high stability type stamping die.

Background

The magnetic ring is an annular magnetizer, and when the magnetic ring is processed, a stamping die is needed to firstly stamp the inner ring of the raw material plate, and then the outer ring is stamped, so that the magnetic ring is finally obtained.

Referring to fig. 1, a conventional stamping die includes a machine body 1, an upper die assembly 2 and a lower die plate 3, a driving cylinder 11 for driving the upper die assembly 2 is fixedly connected to the machine body 1, the upper die assembly 2 is fixedly connected to the driving cylinder 11, the upper die assembly 2 includes a fixing plate 21, an upper die plate 22, a damping spring 23, a first punching column 24 and a second punching column 25, the fixing plate 21 is fixedly connected to the driving cylinder 11, the upper die plate 22 is located below the fixing plate 21 and has a gap, the damping spring 23 is fixedly connected between the upper die plate 22 and the fixing plate 21, the first punching column 24 and the second punching column 25 are both fixedly connected to the fixing plate 21, the first punching column 24 and the second punching column 25 penetrate through the upper die plate 22 and are connected to the upper die plate 22 in a sliding manner, and a cross section of the first punching column 24 is smaller than a cross section of the second punching column 25; the lower template 3 is positioned below the upper die assembly 2 and fixedly connected with the machine body 1, and a first punching groove 31 and a second punching groove 32 which are matched with each other are respectively formed at the positions, right facing the first punching column 24 and the second punching column 25, of the lower template 3. The raw material plate 4 is conveyed to the upper side of the lower die plate 3, the driving cylinder 11 drives the upper die assembly 2 to move downwards, the upper die plate 22 and the lower die plate 3 clamp the raw material plate 4 tightly, the damping spring 23 is compressed, the fixing plate 21 continues to move downwards, the first punching column 24 and the second punching column 25 are respectively inserted into the first punching groove 31 and the second punching groove 32, so that the raw material plate 4 is punched, the raw material plate 4 is punched just opposite to the first punching groove 31 to obtain a first opening 41, then the raw material plate 4 moves, the first opening 41 of the raw material plate 4 is located at the second punching groove 32 to be punched to obtain a second opening 42, the first opening 41 and the second punching groove 32 are located on the same central line, and the diameter of the second opening 42 is larger than that of the first opening 41, so that a circular machined part is obtained.

In view of the above-mentioned related art, the inventor believes that the raw material plate 4 may be displaced when being conveyed on the lower die plate, thereby affecting the manufacture of the workpiece, and that the precision of punching the workpiece by the press die is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the precision that stamping die punched a hole the preparation machined part, this application provides a high stability type stamping die.

The application provides a high stability type stamping die adopts following technical scheme:

the utility model provides a high stability type stamping die, which comprises a bod, go up mould subassembly and lower bolster, go up the equal rigid coupling of mould subassembly and lower bolster on the organism, the lower bolster is located the below of mould subassembly and has the interval, run through on the lower bolster and seted up first punching groove and second punching groove, the bore in first punching groove is less than the bore in second punching groove, one side that the lower bolster is close to last mould subassembly can be dismantled and is connected with spacing post, spacing post is located the both sides of former feed plate and slides with the former feed plate and is connected, it just has seted up the adaptation groove to spacing post department to go up the mould subassembly.

Through adopting above-mentioned technical scheme, when punching a hole to the raw materials board preparation machined part, the raw materials board is carried to the lower bolster on, the raw materials board is after first punching a hole groove punches a hole, it punches a hole to move to the second and punches a hole the groove and carry out the second time, the both sides and the spacing post of raw materials board slide and be connected, spacing post is spacing to the raw materials board from the both sides of raw materials board, reduce the degree that the raw materials board takes place the skew when removing, the stability that the raw materials board removed is improved, and make twice punch a hole and be located same central line, the ring form machined part precision that makes the preparation of punching a hole is higher, improve the precision that stamping die punched a hole and make the machined part.

Optionally, the mounting hole has been seted up to the both sides that the lower bolster is close to the raw materials board, the draw-in groove has been seted up to the lower bolster is close to mounting hole department, the lateral wall of spacing post is provided with the fastener, the fastener includes cardboard and expanding spring, cardboard one end is articulated with spacing post, the cardboard other end is buckled towards the direction of keeping away from spacing post, the expanding spring rigid coupling is between cardboard and spacing post, the one end that mould subassembly was kept away from to spacing post is located the mounting hole and with the inner wall butt of mounting hole, the one end that spacing post was kept away from to the cardboard is located the draw-in groove joint.

Through adopting above-mentioned technical scheme, when spacing post installation, press the cardboard towards the direction that is close to spacing post, the expanding spring compression this moment, the cardboard rotates towards the direction that is close to spacing post, insert the mounting hole with spacing post after that, the one end of last mould subassembly and the inner wall butt of mounting hole are kept away from to spacing post, the cancellation is to the external force of cardboard, expanding spring extends and promotes the cardboard towards the direction of keeping away from spacing post, the cardboard inserts the draw-in groove in-lock joint fixed, be convenient for change after spacing post damages, reduce the wasting of resources.

Optionally, one end of the limiting column, which is close to the upper die assembly, is in threaded connection with a sleeve, a circular groove is formed in the circumferential surface of the sleeve, and the raw material plate is located in the circular groove and connected with the sleeve in a sliding mode.

Through adopting above-mentioned technical scheme, when the former feed plate was carried on the lower bolster, the both sides of former feed plate were located the annular respectively and slided with the sleeve and be connected, the sleeve from the former feed plate both sides to the former feed plate spacing in, the annular is spacing to the former feed plate in vertical direction, when last mould subassembly rebound, reduce the former feed plate and take place relative displacement's degree with the sleeve in vertical direction, stability when further having improved the former feed plate and removing, and then improve stamping die and punch a hole the precision of preparation machined part.

Optionally, a counter bore groove is formed in the lower template at a position close to the sleeve, and one end, far away from the upper die assembly, of the sleeve is located in the counter bore groove and is abutted to the lower template.

Through adopting above-mentioned technical scheme, the sleeve is installed on spacing post, and the one end that the sleeve is close to the lower bolster is located the counter sink inslot, and raw material plate when removing, raw material plate and sleeve take place relative slip, and the counter sink groove is spacing to the sleeve from the horizontal direction, has reduced the sleeve and has taken place relative movement's degree at horizontal direction and lower bolster, has improved the stability of sleeve when spacing to raw material plate.

Optionally, the upper die assembly is provided with a positioning part, the positioning part comprises a first positioning pin and a second positioning pin, the first positioning pin is fixedly connected to the upper die assembly and is close to the first punching groove, the second positioning pin is fixedly connected to the upper die assembly and is close to the second punching groove, the first positioning pin is located on two sides of the raw material plate, the second positioning pin is located on two sides of the raw material plate, the lower die plate is provided with a jack over the first positioning pin and the second positioning pin, and the first positioning pin and the second positioning pin penetrate through the raw material plate and are located in the jack.

Through adopting above-mentioned technical scheme, when the former feed plate is carried to first punching groove, go up the mould subassembly when moving down and punch a hole to the former feed plate, go up the laminating of mould subassembly and lower bolster and press from both sides the tight hole that punches a hole with the former feed plate, first locating pin passes in the former feed plate inserts the jack this moment, the former feed plate just punches a hole to first locating pin department for the locating hole, the former feed plate removes to second punching groove department after that, the locating hole is located the second locating pin below, when last mould subassembly moves down and the lower bolster laminating, the second locating pin is located the locating hole, the position of former feed plate is finely tuned, make twice punch a hole and be located same central line department, the precision of stamping die punching a hole preparation machined part has been improved.

Optionally, one end of the first positioning pin and one end of the second positioning pin, which are close to the lower template, are sharp.

By adopting the technical scheme, when the upper die assembly moves towards the direction close to the lower die plate, the first positioning pin penetrates through the raw material plate and is inserted into the insertion hole, and the sharp first positioning pin can better penetrate through the raw material plate; in addition, after the positioning hole of the raw material plate is conveyed to the lower part of the second positioning pin, when the second positioning pin is inserted into the positioning hole of the raw material plate, the positioning pin in a sharp shape can be better inserted into the positioning hole, meanwhile, the positioning hole of the raw material plate can be finely adjusted along the inclined plane of the positioning pin, the raw material plate is convenient to adjust the position, the two times of punching are located at the same central line, and the punching precision of the punching die for manufacturing the machined part is improved.

Optionally, first locating pin and second locating pin all are provided with a plurality ofly, and a plurality of first locating pins and the even interval setting of second locating pin.

Through adopting above-mentioned technical scheme, a plurality of first locating pins and the even interval distribution of second locating pin make the former feed plate receive the external force homodisperse of first locating pin and second locating pin, and the punching force that receives when the former feed plate punches a hole is more balanced, has reduced the former feed plate atress disequilibrium and towards being close to the degree that receives the skew of great punching force department, has improved the precision that stamping die punched a hole the preparation machined part.

Optionally, a guide post is fixedly connected to the upper die assembly, a guide groove is formed in the position, right opposite to the guide post, of the lower die plate, and the guide post is located in the guide groove and connected with the lower die plate in a sliding mode.

Through adopting above-mentioned technical scheme, when lower mould subassembly removed towards the direction that is close to the lower bolster, the guide post was inserted in the guide way of lower bolster, and the guide way leads last mould subassembly in vertical direction, reduces the degree that takes place the skew and rock when going up mould subassembly and punching a hole to raw materials board, has improved the stability of last mould subassembly, and then has improved the precision that stamping die punched a hole the preparation machined part.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the limiting columns, the limiting columns limit the raw material plate from two sides of the raw material plate, the degree of deviation of the raw material plate during movement is reduced, and the effect of improving the punching precision of the punching die for manufacturing the machined part is achieved;

2. by arranging the sleeve and the annular groove, the annular groove limits the raw material plate from the vertical direction, the degree of relative displacement between the raw material plate and the sleeve in the vertical direction is reduced, and the effect of improving the movement stability of the raw material plate is achieved;

3. through setting up the setting element, the position of raw materials board is finely tuned, makes twice punch a hole and is located same central line department, has produced the effect that improves stamping die and punches a hole preparation machined part precision.

Drawings

FIG. 1 is a background art drawing of the present application;

FIG. 2 is a schematic structural diagram of an embodiment of the present application;

FIG. 3 is a partial schematic view of a jack;

FIG. 4 is a partial cross-sectional view highlighting the stop assembly;

FIG. 5 is a partial schematic view showing the positioning member.

Description of reference numerals: 1. a body; 11. a driving cylinder; 2. an upper die assembly; 21. a fixing plate; 22. mounting a template; 221. an adaptation groove; 23. a damping spring; 24. a first punching column; 25. a second punching column; 26. a guide post; 3. a lower template; 31. a first punching groove; 32. a second punching groove; 33. mounting holes; 34. a card slot; 35. a countersink groove; 36. a guide groove; 37. a jack; 4. a raw material plate; 41. a first opening; 42. a second opening; 5. a limiting component; 51. a limiting column; 52. a fastener; 521. clamping a plate; 522. a tension spring; 53. a sleeve; 531. a ring groove; 6. a positioning member; 61. a first positioning pin; 62. and a second positioning pin.

Detailed Description

The present application is described in further detail below with reference to figures 2-5.

The embodiment of the application discloses high stability type stamping die. Referring to fig. 2, a high stability type stamping die includes organism 1, go up mould assembly 2, lower bolster 3 and spacing subassembly 5, be provided with the driving piece that is used for the drive to go up mould assembly 2 on the organism 1, go up mould assembly 2 and driving piece fixed connection, 3 rigid couplings of lower bolster are on organism 1, lower bolster 3 is located mould assembly 2 below and has the interval, 3 tops of lower bolster are arranged in and are carried to former template 4, spacing subassembly 5 sets up on lower bolster 3, and spacing subassembly 5 is located 4 both sides of former template, spacing subassembly 5 is spacing to former template 4 from 4 both sides of former template, the degree of 4 squints of former template when having reduced to carry, improve stamping die punching die and make the precision of machined part.

Referring to fig. 2 and 3, the upper mold assembly 2 includes a fixing plate 21, an upper mold plate 22, a damping spring 23, a first punching column 24, a second punching column 25 and a guiding column 26, the driving member is fixedly connected to the top of the machine body 1, the driving member is a driving cylinder 11 in this embodiment, the fixing plate 21 is rectangular, the middle portion of the fixing plate 21 is fixedly connected to the telescopic rod of the driving cylinder 11, the upper mold plate 22 is located below the fixing plate 21 with a gap, the damping spring 23 is fixedly connected between the upper mold plate 22 and the fixing plate 21, the first punching column 24 and the second punching column 25 are both fixedly connected to the fixing plate 21, the first punching column 24 and the second punching column 25 penetrate through the upper template 22 and are connected with the upper template 22 in a sliding mode, the cross section of the first punching column 24 is smaller than that of the second punching column 25, the guide columns 26 are fixedly connected to four corners of the fixing plate 21, and the guide columns 26 penetrate through the upper template 22 and are connected with the upper template 22 in a sliding mode; the lower template 3 is positioned below the upper die assembly 2 and fixedly connected with the machine body 1, and a first punching groove 31 and a second punching groove 32 which are matched with each other are respectively formed at the positions, right opposite to the first punching column 24 and the second punching column 25, of the lower template 3; the lower template 3 is provided with a guide groove 36 opposite to the guide post 26, and the guide groove 36 is matched with the guide post 26. The raw material plate 4 is conveyed above the lower die plate 3, the driving cylinder 11 drives the upper die assembly 2 to move downwards, the upper die plate 22 and the lower die plate 3 clamp the raw material plate 4, the fixing plate 21 continues to move downwards, the damping spring 23 is compressed, the guide post 26 is inserted into the guide groove 36 at the moment, the guide groove 36 guides the upper die assembly 2 in the vertical direction, the deviation and shaking degree of the upper die assembly 2 when punching the raw material plate 4 is reduced, and therefore the precision of punching a punching die to manufacture a machined part is improved; the first punching column 24 and the second punching column 25 are respectively inserted into the first punching groove 31 and the second punching groove 32, so that the raw material plate 4 is punched, the raw material plate 4 is just punched towards the first punching groove 31 to obtain a first opening 41, then the raw material plate 4 moves, the first opening 41 of the raw material plate 4 is positioned at the second punching groove 32 to be punched, the first opening 41 and the second punching groove 32 are positioned on the same central line, the diameter of the second opening 42 is larger than that of the first opening 41, and therefore a circular machined part is obtained.

Combine fig. 4 and fig. 5, a plurality of mounting holes 33 have been seted up to the both sides that lower bolster 3 is close to raw materials board 4, spacing subassembly 5 demountable connection is in mounting hole 33, lower bolster 3 is close to mounting hole 33 department and has seted up two draw-in grooves 34, draw-in grooves 34 are located the both sides of mounting hole 33, spacing subassembly 5 includes spacing post 51, fastener 52 and sleeve 53, spacing post 51 is vertical to be set up, fastener 52 is provided with two, two fastener 52 are connected in spacing post 51 both sides, spacing post 51 bottom is located mounting hole 33 and with lower bolster 3 butt, mounting hole 33 and spacing post 51 adaptation, and fastener 52 is located draw-in grooves 34 and with lower bolster 3 joint, spacing post 51 top is higher than lower bolster 3, sleeve 53 threaded connection is on spacing post 51 and with lower bolster 3 butt, 531 has been seted up on the week looks face of sleeve 53, upper die 22 has just seted up adaptation groove 221 to sleeve 53 department. When the raw material plate 4 is conveyed on the lower die plate 3, two sides of the raw material plate 4 are respectively positioned in the annular grooves 531 and connected with the sleeves 53 in a sliding manner, the sleeves 53 limit the raw material plate 4 from two sides of the raw material plate 4, meanwhile, the annular grooves 531 limit the raw material plate 4 in the vertical direction, when the upper die assembly 2 moves downwards for punching, the sleeves 53 are inserted into the adaptive grooves 221, when the upper die assembly 2 moves upwards, the annular grooves 531 reduce the degree of relative displacement between the raw material plate 4 and the sleeves 53 in the vertical direction, the stability of the raw material plate 4 during movement is further improved, and the precision of punching a punching die to manufacture a machined part is further improved; the both sides of raw materials board 4 slide with sleeve 53 and be connected, and sleeve 53 can wear and tear, and sleeve 53 and spacing post 51 threaded connection are convenient for change sleeve 53, save the wasting of resources, have also improved the convenience of sleeve 53 dismouting.

Referring to fig. 4, the clamping member 52 includes a clamping plate 521 and a telescopic spring 522, one end of the clamping plate 521 is hinged to the limiting column 51, the other end of the clamping plate 521 is bent towards the direction far away from the limiting column 51, the telescopic spring 522 is horizontally arranged and fixedly connected between the clamping plate 521 and the limiting column 51, and one end of the clamping plate 521 far away from the limiting column 51 is located in the clamping groove 34 and forms clamping connection with the lower template 3. When the spacing post 51 of installation, cardboard 521 is pressed to the direction that is close to spacing post 51, expanding spring 522 compresses this moment, cardboard 521 rotates towards the direction that is close to spacing post 51, insert spacing post 51 in the mounting hole 33 and with the inner wall butt of mounting hole 33 after that, the cancellation is to cardboard 521's external force, expanding spring 522 extends and promotes cardboard 521 towards the direction of keeping away from spacing post 51, cardboard 521 inserts the bayonet joint fixed in the draw-in groove 34, be convenient for change after spacing post 51 damages, reduce the wasting of resources.

With reference to fig. 2 and 4, a counterbore groove 35 is formed in the lower template 3 near the sleeve 53, and one end of the sleeve 53 near the lower template 3 is located in the counterbore groove 35 and abuts against the lower template 3. The sleeve 53 is installed on the spacing post 51, and when the raw material plate 4 moved, the raw material plate 4 and the sleeve 53 took place the level relative slip, and the counter bore groove 35 was spacing to the sleeve 53 from the horizontal direction, had reduced the sleeve 53 and had taken place the degree of relative movement at horizontal direction and lower bolster 3, had improved the stability of sleeve 53 when spacing to raw material plate 4.

Referring to fig. 3 and 5, a positioning member 6 is disposed on the bottom surface of the upper die plate 22, the positioning member 6 includes a first positioning pin 61 and a second positioning pin 62, the first positioning pin 61 is fixedly connected to the upper die plate 22 near the first punching column 24, the second positioning pin 62 is fixedly connected to the upper die plate 22 near the second punching column 25, the first positioning pin 61 is located on two sides of the raw material plate 4, the second positioning pin 62 is located on two sides of the raw material plate 4, the first positioning pin 61 and the second positioning pin 62 are both provided with a plurality of positioning holes, the first positioning pins 61 and the second positioning pins 62 are uniformly spaced, the distance between the first positioning pins 61 is equal to the distance between the second positioning pins 62, the lower die plate 3 has jacks 37 just corresponding to the first positioning pin 61 and the second positioning pin 62, and the first positioning pin 61 and the second positioning pin 62 pass through the raw material plate 4 and are located in the jacks 37. When the raw material plate 4 is conveyed to the first punching groove 31, the upper die assembly 2 moves downwards to punch a hole in the raw material plate 4, the upper die plate 22 and the lower die plate 3 are attached to clamp and punch the raw material plate 4, at the moment, the first positioning pin 61 penetrates through the raw material plate 4 and is inserted into the insertion hole 37, the raw material plate 4 is punched at the position right opposite to the first positioning pin 61 to form a positioning hole, the first positioning pins 61 are uniformly arranged at intervals, so that the external force of the first positioning pin 61 on the raw material plate 4 is uniformly dispersed, the punching force applied to the raw material plate 4 during punching is more balanced, the degree of deviation of the raw material plate 4 due to unbalanced stress is reduced, and the precision of punching the punching die for manufacturing a workpiece is improved; and then the raw material plate 4 moves to the second punching groove 32, the positioning hole is positioned below the second positioning pin 62, when the upper template 22 moves downwards to be attached to the lower template 3, the second positioning pin 62 is positioned in the positioning hole, and the position of the raw material plate 4 is finely adjusted, so that the two punching holes are positioned at the same central line, and the precision of punching the punching die to manufacture the machined part is improved.

Referring to fig. 3 and 5, the first positioning pin 61 and the second positioning pin 62 are pointed at the end near the lower die plate 3, so that when the first positioning pin 61 passes through the blank plate 4, the pointed first positioning pin 61 can better pass through the blank plate 4, and then the first positioning pin 61 is inserted into the insertion hole 37; in addition, after the positioning hole of the raw material plate 4 is conveyed to the lower part of the second positioning pin 62, when the second positioning pin 62 is inserted into the positioning hole of the raw material plate 4, the positioning pin in a sharp shape can be better inserted into the positioning hole, and meanwhile, the positioning hole of the raw material plate 4 can be finely adjusted along the inclined surface of the positioning pin, so that the position of the raw material plate 4 can be conveniently adjusted, the two-time punching is enabled to be positioned at the same central line, and the precision of punching a punching workpiece by a punching die is improved.

The implementation principle of the high-stability stamping die in the embodiment of the application is as follows: when a workpiece is manufactured by punching a raw material plate 4, the raw material plate 4 is conveyed to the lower die plate 3, two sides of the raw material plate 4 are positioned in the ring grooves 531 of the sleeves 53 and are horizontally connected with the sleeves 53 in a sliding manner, the raw material plate 4 moves to the second punching groove 32 for secondary punching after being punched in the first punching groove 31, the sleeves 53 limit the raw material plate 4 from two sides of the raw material plate 4 in the horizontal direction, the horizontal deviation degree of the raw material plate 4 during moving is reduced, and the moving stability of the raw material plate 4 is improved; the annular groove 531 limits the raw material plate 4 in the vertical direction, the degree of relative displacement of the raw material plate 4 in the vertical direction and the sleeve 53 is reduced, the first positioning pin 61 and the second positioning pin 62 enable the two punching holes to be located on the same central line, the precision of the circular machined part manufactured by punching is higher, and the precision of the machined part manufactured by punching of the punching die is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high stability type stamping die, includes organism (1), go up mould subassembly (2) and lower bolster (3), go up the equal rigid coupling of mould subassembly (2) and lower bolster (3) on organism (1), lower bolster (3) are located the below of last mould subassembly (2) and have the interval, run through on lower bolster (3) and have seted up first punching groove (31) and second punching groove (32), the bore of first punching groove (31) is less than the bore of second punching groove (32), its characterized in that: one side of the lower template (3) close to the upper die assembly (2) is detachably connected with a limiting column (51), the limiting column (51) is located on two sides of the raw material plate (4) and connected with the raw material plate (4) in a sliding mode, and the upper die assembly (2) is just opposite to the limiting column (51) and provided with an adaptive groove (221).

2. A highly stable type press die according to claim 1, wherein: mounting hole (33) have been seted up to both sides that lower bolster (3) are close to raw materials board (4), draw-in groove (34) have been seted up to lower bolster (3) department near mounting hole (33), the lateral wall of spacing post (51) is provided with fastener (52), fastener (52) are including cardboard (521) and expanding spring (522), cardboard (521) one end is articulated with spacing post (51), cardboard (521) other end is towards the direction of keeping away from spacing post (51) buckling, expanding spring (522) rigid coupling is between cardboard (521) and spacing post (51), the one end that upper die component (2) were kept away from in spacing post (51) is located mounting hole (33) and with the inner wall butt of mounting hole (33), the one end that spacing post (51) were kept away from in cardboard (521) is located draw-in groove (34) joint.

3. A highly stable type press die according to claim 1, wherein: spacing post (51) are close to last mould subassembly (2) one end threaded connection has sleeve (53), have seted up annular (531) on the circumferential surface of sleeve (53), and raw materials board (4) are located annular (531) and slide with sleeve (53) and are connected.

4. A highly stable type press die according to claim 3, wherein: the lower template (3) is close to the sleeve (53) and is provided with a counter bore groove (35), and one end, away from the upper die assembly (2), of the sleeve (53) is located in the counter bore groove (35) and is abutted to the lower template (3).

5. A highly stable type press die according to claim 1, wherein: go up to be provided with setting element (6) on mould subassembly (2), setting element (6) include first locating pin (61) and second locating pin (62), first locating pin (61) rigid coupling is close to first towards hole groove (31) department in last mould subassembly (2), second locating pin (62) rigid coupling is close to second towards hole groove (32) department in last mould subassembly (2), first locating pin (61) are located the both sides of raw materials board (4), second locating pin (62) are located the both sides of raw materials board (4), jack (37) have all been seted up just to first locating pin (61) and second locating pin (62) department in lower bolster (3), first locating pin (61) and second locating pin (62) pass raw materials board (4) and are located jack (37).

6. The high stability type stamping die according to claim 5, wherein: the first positioning pin (61) and the second positioning pin (62) are sharp at one ends close to the lower template (3).

7. The high stability type stamping die according to claim 5, wherein: first locating pin (61) and second locating pin (62) all are provided with a plurality ofly, and a plurality of first locating pins (61) and second locating pin (62) evenly spaced set up.

8. A highly stable type press die according to claim 1, wherein: go up the rigid coupling on mould subassembly (2) and have guide post (26), guide way (36) have been seted up just to guide post (26) department in lower bolster (3), and guide post (26) are located guide way (36) and are connected with lower bolster (3) slide.