CN218015145U - Anti-deviation butterfly spring stamping die - Google Patents

Abstract

The utility model discloses an anti-deviation disc spring stamping die, which comprises a bottom plate, wherein telescopic rods are symmetrically arranged at the top of the bottom plate, a die body is fixed at the top of each telescopic rod, a disc spring body is connected between the bottom of each die body and the bottom of the bottom plate, and the disc spring body is sleeved outside the telescopic rods; the top of the bottom plate is connected with a top plate, the middle of the top plate is provided with a hydraulic driving piece, and the bottom of the hydraulic driving piece is provided with a punch; further comprising: the die cavity has been seted up at the top surface middle part of mould body, and the top bilateral symmetry of mould body is provided with the fixed plate, and is connected with the adjustable toothed plate on the inside wall of fixed plate to the top of fixed plate all is connected with the clamp plate. This prevent belleville spring stamping die of skew can carry out the spacing fixed in level and vertical position to the processing work piece, and then prevents to appear the phenomenon of skew when processing, possesses good shock-absorbing capacity simultaneously.

Description

Anti-deviation butterfly spring stamping die

Technical Field

The utility model relates to a disc spring stamping die technical field specifically is a prevent disc spring stamping die of offset.

Background

In the process of processing a workpiece, various processing modes are provided, corresponding processing parts are selected according to materials and processing requirements, the modes of casting, stamping and the like are common, a stamping die needs to be matched for use during stamping, and a belleville spring stamping die is one of the common stamping dies;

in an automobile stamping die disclosed in publication No. CN210333998U, a workpiece is placed on the upper side of a female die, the workpiece is pressed tightly by using a first hydraulic cylinder and a second hydraulic cylinder, the hydraulic press is started, a male die is driven to press downwards, the workpiece is stamped, and a first spring in a telescopic rod and a butterfly spring outside the telescopic rod jointly realize the buffering and shock absorption of a second fixing plate; meanwhile, the first connecting rod and the second connecting rod are subjected to downward impact force to transmit, part of vertical impact force is converted into transverse force, and the horizontal spring buffers and absorbs the transverse force; move down when the second fixed plate with the montant contact, the second fixed plate is supported by the rigidity for the work piece can also protected first spring and belleville spring by stable punching press, but, when carrying out spacingly to the work piece at the in-process that uses, need compress tightly one by one through the pneumatic cylinder, and then make the whole more part that need cooperate of equipment, and the direction that compresses tightly is comparatively single, and then when the power of vertical direction assaulted, the phenomenon of skew easily appeared in the work piece side, and then influences processingquality.

We have therefore proposed an anti-drift belleville spring stamping die in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent disc spring stamping die of skew to solve the disc spring stamping die that has now on the existing market that above-mentioned background art provided, when the in-process that uses carries on spacingly to the work piece, need compress tightly one by one through the pneumatic cylinder, and then make the whole more part that needs the cooperation of equipment, and the direction that compresses tightly is comparatively single, and then when the power of vertical direction is strikeed, the phenomenon of skew easily appears in the work piece side, and then influences processingquality's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a butterfly spring stamping die capable of preventing deviation comprises a bottom plate, telescopic rods are symmetrically arranged at the top of the bottom plate, a die body is fixed at the top of each telescopic rod, a butterfly spring body is connected between the bottom of each die body and the bottom of the bottom plate, and the butterfly spring body is sleeved outside the telescopic rods;

the top of the bottom plate is connected with a top plate, the middle of the top plate is provided with a hydraulic driving piece, and the bottom of the hydraulic driving piece is provided with a punch;

further comprising:

the die cavity has been seted up at the top surface middle part of mould body, and the top bilateral symmetry of mould body is provided with the fixed plate, and is connected with the movable tooth plate on the inside wall of fixed plate to the top of fixed plate all is connected with the clamp plate, is connected with out the template through reset spring in the die cavity moreover.

Preferably, the telescopic link and the belleville spring body of mould body bottom constitute buffer structure, and the bottom surface middle part symmetry of mould body articulates there is the connecting rod to the bottom of connecting rod articulates there is the slider, and the slider is connected in the cross slot moreover, and the top at the bottom plate is seted up to the cross slot symmetry simultaneously, makes the mould receive when assaulting, and telescopic link and belleville spring can cushion the power, and the connecting rod also can drive the slider and remove in the cross slot simultaneously.

Preferably, the slider slides with the fit of cross slot, and the internally mounted of cross slot has the magnetic path to the slider is the same with the magnetic pole of magnetic path, and the mould body passes through connecting rod, slider, cross slot and magnetic path and constitutes buffering protective structure moreover, makes the slider will be close to with the magnetic path after removing in the cross slot, then resets under the effect of repulsion, thereby carries out secondary buffering and handles.

Preferably, the left side through connection of mould body has reverse screw rod, and reverse screw rod bearing connects in the spout to the spout symmetry is seted up in the top left and right sides of mould body, and threaded connection has the stand on the reverse screw rod moreover, and the top of stand is fixed with the fixed plate simultaneously, makes to rotate reverse screw rod after, reverse screw rod will drive the stand and remove in the spout, and then drives fixed plate synchronous motion.

Preferably, seted up on the side of fixed plate and accomodate the groove, and accomodate and be connected with the adjustable tooth plate in the groove to the adjustable tooth plate with accomodate and install connecting spring between the groove, the adjustable tooth plate constitutes horizontal sliding structure through accomodating groove and connecting spring in addition, makes the fixed plate relative movement back, the adjustable tooth plate will with the work piece butt, and then compression connecting spring withdraws to accomodating in the groove.

Preferably, the middle bearing of the accommodating groove is connected with a gear, the gear is meshed with the movable toothed plate and drives the gear to rotate in a reciprocating mode, the middle of the gear is integrally connected with a threaded rod, the movable toothed plate can drive the gear to rotate after moving, and the threaded rod can be driven to rotate after the gear rotates.

Preferably, the threaded rod bearing is connected in erecting the groove, and erects the groove and set up in the top of fixed plate to the outside threaded connection of threaded rod has the clamp plate, and the clamp plate sets up to "font structure moreover, and the clamp plate passes through the threaded rod simultaneously and erects the groove and constitute and reciprocate the structure, makes the threaded rod rotate the back and will drive the clamp plate and slide in erecting the groove, and then compresses tightly the work piece.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the anti-deviation butterfly spring stamping die rotates the reverse screw rod during stamping to further drive the stand column to move relatively in the sliding groove, the stand column can drive the fixing plate at the top to move synchronously after moving, the fixing plate can be in contact with the side edge of a workpiece, the movable toothed plate can be extruded at the moment, the connecting spring is compressed to be retracted into the accommodating groove, the movable toothed plate can be meshed with the gear when moving to drive the gear to rotate, the threaded rod can be driven to rotate after the gear rotates, the threaded rod can drive the pressing plate to move downwards in the vertical groove, and the pressing plate is abutted against the top of the workpiece, so that the workpiece is limited and fixed in the vertical direction, and further the workpiece can be more stable during stamping;

2. this prevent belleville spring stamping die of skew, telescopic link and the belleville spring body through setting up can cushion the impulsive force, and the mould body still can drive the connecting rod after receiving the impact and rotate, the connecting rod will promote the slider and remove in the cross slot after rotating, the slider will be close to with the magnetic path, then drive the connecting rod under the effect of homopolar repulsion force and revolve, thereby carry out the efficient buffering to the mould body, improve the life of mould, and after the punching press, it can shift up under reset spring's effect and reset to go out the template, and then ejecting with the good model of punching press.

Drawings

FIG. 1 is a schematic view of the overall front-cut structure of the present invention;

FIG. 2 is an enlarged schematic view of the threaded rod of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a top-down structure of the fixing plate of the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the pressing plate of the present invention.

In the figure: 1. a base plate; 2. a telescopic rod; 3. a mold body; 4. a belleville spring body; 5. a mold cavity; 6. a top plate; 7. a hydraulic drive; 8. a punch; 9. discharging the template; 10. a return spring; 11. a reverse screw; 12. a chute; 13. a column; 14. a fixing plate; 15. a movable toothed plate; 16. a storage groove; 17. a connecting spring; 18. a gear; 19. a threaded rod; 20. a vertical slot; 21. pressing a plate; 22. a connecting rod; 23. a slider; 24. a transverse groove; 25. a magnetic block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an anti-deviation belleville spring stamping die comprises a bottom plate 1, telescopic rods 2 are symmetrically arranged on the top of the bottom plate 1, a die body 3 is fixed to the top of each telescopic rod 2, a belleville spring body 4 is connected between the bottom of each die body 3 and the bottom of the bottom plate 1, the belleville spring bodies 4 are sleeved on the outer sides of the telescopic rods 2, the telescopic rods 2 and the belleville spring bodies 4 at the bottom of the die bodies 3 form a buffer structure, a top plate 6 is connected to the top of the bottom plate 1, a hydraulic driving piece 7 is arranged in the middle of the top plate 6, a punch 8 is mounted at the bottom of the hydraulic driving piece 7, a die cavity 5 is formed in the middle of the top surface of each die body 3, a die plate 9 is connected to the die cavity 5 through a return spring 10, a workpiece to be stamped is placed at the top of each die body 3, after the workpiece is fixed through a fixing plate 14 and a pressing plate 21, the hydraulic driving piece 7 on the top plate 6 can drive the punch 8 to move downwards and stamp, the punch 8 can be pushed into the die cavity 5, the die plate 9 can compress the return spring 10 to move downwards, the return spring 10 and then the die 2 at the bottom of the die body 3 can slide vertically, the belleville spring body 4 can also compress the die body, the punch, and then the punch the die body can be pushed out, and the punch 8 can be pushed out, and the die body can be pushed out, and the die 10;

the middle of the bottom surface of the die body 3 is symmetrically hinged with connecting rods 22, the bottom of each connecting rod 22 is hinged with a sliding block 23, each sliding block 23 is connected into a transverse groove 24, each transverse groove 24 is symmetrically formed in the top of the bottom plate 1, each sliding block 23 is attached to and slides along the corresponding transverse groove 24, each magnetic block 25 is installed inside each transverse groove 24, each sliding block 23 and each magnetic block 25 have the same magnetic pole, each die body 3 forms a buffer protection structure through the corresponding connecting rod 22, each sliding block 23, each transverse groove 24 and each magnetic block 25, as shown in fig. 1 and 4, when the die body 3 buffers, the corresponding connecting rod 22 at the bottom of the die body rotates, each connecting rod 22 drives the corresponding sliding block 23 at the bottom of the die body to slide in the corresponding transverse groove 24 at the top of the bottom plate 1, each sliding block 23 approaches to the corresponding magnetic block 25 in the corresponding transverse groove 24 after sliding, each sliding block 23 is pushed to reset under the action of like-pole repulsion force after approaching, and then performs secondary buffer treatment on the die body 3, so that the die body 3 can be protected better;

the left side of the die body 3 is connected with a reverse screw 11 in a penetrating manner, the reverse screw 11 is connected in a sliding chute 12 in a bearing manner, the sliding chutes 12 are symmetrically formed in the left side and the right side of the top of the die body 3, the reverse screw 11 is connected with an upright column 13 in a threaded manner, a fixing plate 14 is fixed at the top of the upright column 13, and the fixing plate 14 is symmetrically arranged on the left side and the right side of the top of the die body 3, as shown in fig. 1-2, when a workpiece is fixed, the reverse screw 11 is rotated, the upright column 13 is driven to move relatively in the sliding chute 12 after the reverse screw 11 is rotated, the fixing plate 14 at the top is driven to move synchronously after the upright column 13 is moved, and then the workpiece is abutted against the outer side of the workpiece, so that the workpiece is limited and fixed in the horizontal direction;

the inner side wall of the fixed plate 14 is connected with a movable toothed plate 15, the side surface of the fixed plate 14 is provided with a containing groove 16, the containing groove 16 is connected with the movable toothed plate 15, a connecting spring 17 is arranged between the movable toothed plate 15 and the containing groove 16, and the movable toothed plate 15 forms a horizontal sliding structure through the containing groove 16 and the connecting spring 17, as shown in fig. 2-3, when the fixed plate 14 fixes a workpiece, the movable toothed plate 15 firstly contacts with the workpiece and then is pressed to move towards the inside of the containing groove 16, at the moment, the connecting spring 17 is compressed, and the movable toothed plate 15 is contained to be in a state of being flush with the side surface of the fixed plate 14;

the top of fixed plate 14 all is connected with clamp plate 21, the middle part bearing of accomodating groove 16 is connected with gear 18, and gear 18 is connected with the meshing of movable toothed plate 15, and movable toothed plate 15 drives gear 18 reciprocating rotation, and the middle part integral type of gear 18 is connected with threaded rod 19, threaded rod 19 bearing connection is in erecting groove 20, and erect groove 20 and set up the top at fixed plate 14, and the outside threaded connection of threaded rod 19 has clamp plate 21, and clamp plate 21 sets up to "7" font structure, clamp plate 21 passes through threaded rod 19 and erects groove 20 and constitute the structure that reciprocates simultaneously, as shown in fig. 2-3 and 5, still can mesh with gear 18 when movable toothed plate 15 removes, and then drive gear 18 and rotate, gear 18 rotates the threaded rod 19 that will drive the top after rotating, threaded rod 19 will drive clamp plate 21 and slide in erecting groove 20 after rotating, and then compress tightly the top of work piece, thereby carry out the spacing in vertical position to the work piece fixed, and then make the work piece fixed more stable, thereby the phenomenon of skew takes place during the prevention punching press.

The working principle is as follows: when the anti-deviation disc spring stamping die is used, as shown in fig. 1 to 5, firstly, a workpiece to be stamped is placed at the top of a die body 3, the reverse screw 11 is rotated, the reverse screw 11 drives the upright post 13 to relatively move in the sliding groove 12, the upright post 13 drives the fixing plate 14 to synchronously move and further abut against the outer side of the workpiece, so that the workpiece is limited and fixed in a horizontal direction, when the fixing plate 14 fixes the workpiece, the movable toothed plate 15 firstly contacts with the workpiece, then is pressed to compress the connecting spring 17 to move towards the inside of the accommodating groove 16, when the movable toothed plate 15 moves, the gear 18 is driven to rotate, after the gear 18 rotates, the threaded rod 19 drives the pressing plate 21 to slide in the vertical groove 20, so that the top of the workpiece is pressed, so that the workpiece is limited and fixed in a vertical direction, so that the workpiece is fixed more stably, and the deviation phenomenon is prevented during stamping;

the hydraulic driving part 7 drives the punch 8 to move downwards for punching, the punch 8 can be punched into the die cavity 5, the die plate 9 compresses the return spring 10 and moves downwards at the moment, the telescopic rod 2 at the bottom of the die body 3 can slide, the belleville spring body 4 can also generate elastic compression, further the impact force received by the die body 3 is buffered, the punch 8 moves upwards after punching is finished, the return spring 10 can push the die plate 9 to move upwards, further the punched die is ejected out, when the die body 3 is buffered, the connecting rod 22 at the bottom of the die body can rotate, the connecting rod 22 can drive the sliding block 23 at the bottom to slide in the transverse groove 24 at the top of the bottom plate 1, the sliding block 23 can be close to the magnetic block 25 in the transverse groove 24 after sliding, the sliding block 23 can be pushed to reset under the action of homopolar repulsion force after being close to the die body 3, further secondary buffering treatment can be carried out on the die body 3, the die body 3 can be better protected, and a series of work can be finished.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. A butterfly spring stamping die capable of preventing deviation comprises a bottom plate (1), telescopic rods (2) are symmetrically arranged at the top of the bottom plate (1), a die body (3) is fixed at the top of each telescopic rod (2), a butterfly spring body (4) is connected between the bottom of each die body (3) and the bottom of the bottom plate (1), and the butterfly spring body (4) is sleeved on the outer side of each telescopic rod (2);

the top of the bottom plate (1) is connected with a top plate (6), a hydraulic driving piece (7) is arranged in the middle of the top plate (6), and a punch (8) is installed at the bottom of the hydraulic driving piece (7);

the method is characterized in that: further comprising:

die cavity (5) have been seted up at the top surface middle part of mould body (3), and the top left and right sides symmetry of mould body (3) is provided with fixed plate (14), and is connected with movable toothed plate (15) on the inside wall of fixed plate (14) to the top of fixed plate (14) all is connected with clamp plate (21), is connected with out template (9) through reset spring (10) in die cavity (5) moreover.

2. The anti-shifting belleville spring stamping die according to claim 1, wherein: the telescopic rod (2) and the belleville spring body (4) at the bottom of the die body (3) form a buffer structure, the middle of the bottom surface of the die body (3) is symmetrically hinged with a connecting rod (22), the bottom of the connecting rod (22) is hinged with a sliding block (23), the sliding block (23) is connected in a transverse groove (24), and meanwhile, the transverse groove (24) is symmetrically arranged at the top of the bottom plate (1).

3. The anti-shifting belleville spring stamping die according to claim 2, wherein: the sliding block (23) is attached to the transverse groove (24) to slide, the magnetic block (25) is installed inside the transverse groove (24), the magnetic poles of the sliding block (23) and the magnetic block (25) are the same, and the die body (3) forms a buffering protection structure through the connecting rod (22), the sliding block (23), the transverse groove (24) and the magnetic block (25).

4. The stamping die for a butterfly spring against deviation as claimed in claim 1, wherein: the left side through connection of mould body (3) has reverse screw rod (11), and reverse screw rod (11) bearing connection in spout (12) to spout (12) symmetry is seted up in the top left and right sides of mould body (3), and threaded connection has stand (13) on reverse screw rod (11) moreover, and the top of stand (13) is fixed with fixed plate (14) simultaneously.

5. The anti-shifting belleville spring stamping die according to claim 1, wherein: seted up on the side of fixed plate (14) and accomodate groove (16), and be connected with activity pinion rack (15) in accomodating groove (16) to install between activity pinion rack (15) and accomodating groove (16) connecting spring (17), activity pinion rack (15) constitute horizontal sliding structure through accomodating groove (16) and connecting spring (17) moreover.

6. The stamping die for a butterfly spring against deviation as claimed in claim 5, wherein: the middle bearing of the accommodating groove (16) is connected with a gear (18), the gear (18) is meshed with the movable toothed plate (15) and the movable toothed plate (15) drives the gear (18) to rotate in a reciprocating mode, and the middle of the gear (18) is integrally connected with a threaded rod (19).

7. The anti-shifting belleville spring stamping die according to claim 6, wherein: threaded rod (19) bearing connection is in erecting groove (20), and erects groove (20) and set up the top in fixed plate (14) to the outside threaded connection of threaded rod (19) has clamp plate (21), and clamp plate (21) sets up to "7" font structure moreover, and clamp plate (21) pass through threaded rod (19) and erect groove (20) and constitute and reciprocate the structure simultaneously.

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