CN215657510U

CN215657510U - Precision stamping die with buffer structure

Info

Publication number: CN215657510U
Application number: CN202121543419.3U
Authority: CN
Inventors: 袁峰; 刘伟; 朱晶晶
Original assignee: Liuzhou Weiyan Tianlong Technology Co ltd
Current assignee: Liuzhou Weiyan Tianlong Technology Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-01-28
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses a precise stamping die with a buffering structure, and particularly relates to the technical field of stamping dies. The first spring, the buffer column, the second spring, the shock absorption column, the third spring and the buffer rod are matched, so that an effective buffer effect is achieved, the damage of the die is effectively prevented, and the die is positioned through the positioning hole and the positioning rod.

Description

Precision stamping die with buffer structure

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a precise stamping die with a buffer structure.

Background

The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part.

The buffer structure on the existing precision stamping die is poor in buffering effect on the die, and when the die is stamped, the die is easily damaged due to the fact that the pressure of stamping of the die is large, so that the precision stamping die with the buffer structure is designed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a precision stamping die with a buffer structure to solve the above-mentioned problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an accurate stamping die with buffer structure, includes mould and bed die, the below of bed die is equipped with the mould base, a plurality of dashpots have been seted up to the upper surface of mould base, and is a plurality of the equal fixedly connected with spring in bottom of dashpot inner wall, the top fixedly connected with buffer board of a spring, the last fixed surface of buffer board is connected with the cushion post, the top of cushion post all with bed die fixed connection, four cushion sleeves of the last fixed surface of bed die, four shock attenuation posts and the terrace die of the lower fixed surface of going up the mould, four the equal sliding connection of shock attenuation post is in the inside of cushion sleeve, the die cavity has been seted up to the upper surface of bed die, the below of die cavity is provided with the jack-up piece that is used for the jack-up work piece.

In order to play the effect of buffering when last mould pushes down, four the bottom fixedly connected with spring No. two of cushion collar inner wall, the equal fixedly connected with slide in top of spring No. two, four the bottom of shock attenuation post all contacts with the upper surface of slide.

In order to eject the stamping part after stamping forming, the jacking piece comprises a movable groove below a female die groove, the left side of the inner wall of the movable groove is rotatably connected with a rotating rod through a bearing, a cam is fixedly sleeved on the surface of the rotating rod, sliding grooves are fixedly connected to the left side and the right side of the inner wall of the movable groove, sliding rods are slidably connected inside the sliding grooves, ejector rods are fixedly connected to the opposite ends of the sliding rods, a top plate is fixedly connected to the top ends of the ejector rods, the top plate and the bottom of the inner wall of the female die groove are parallel and level, and a lower die and a rotating ring are arranged at the right end of the rotating rod in a penetrating mode.

In order to play a role in buffering when stamping the stamping part and prevent the male die from being damaged, the inside of the bottom end of the male die is slidably connected with a buffer rod, the bottom end of the buffer rod is fixedly connected with a buffer pressing plate, and a third spring is sleeved on the surface of the buffer rod between the buffer pressing plate and the male die.

In order to fix the stamping part, the upper surface of the upper die is fixedly connected with two fixing plates, the tops of the opposite side surfaces of the two fixing plates are fixedly connected with mounting plates, the inner threads of the mounting plates are connected with screw rods, the bottom ends of the screw rods are rotatably connected with abutting plates through bearings, and the top ends of the screw rods are fixedly connected with adjusting rings.

In order to realize the positioning of the upper die and the lower die, the upper surface of the lower die is provided with a positioning hole, the lower surface of the upper die is fixedly connected with two positioning rods, and the two positioning rods slide in the positioning hole.

For the support to last mould, the equal fixedly connected with connecting plate in the left and right sides surface of mould base and last mould, two sets of the equal fixedly connected with hydraulic stem in the relative side surface of connecting plate.

The utility model has the technical effects and advantages that:

1. compared with the prior art, through the cooperation of a spring, buffering post, No. two springs, shock attenuation post, No. three springs and the buffer lever that sets up to play effectual buffering effect, effectively prevent the damage of mould, through locating hole and the locating lever that sets up, play the effect of location to the mould.

2. Compared with the prior art, after the punching press is finished, through rotating the swivel, the swivel has driven the dwang to rotate, and the rotation of dwang has driven the rotation of cam, when the bottom contact of the bulge position of cam and ejector pin, then promote and slide on the ejector pin, the slip of ejector pin has driven the slip of slide bar, and the slip drives the top through the ejector pin and slides, makes the roof promote surperficial stamping workpiece to slide to the realization is carried out the jack-up to fashioned stamping workpiece, realizes breaking away from of counterpunching workpiece.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a front structural sectional view of the present invention.

FIG. 3 is an enlarged view of the structure at A of the present invention.

Fig. 4 is a schematic view of the cam structure of the present invention.

The reference signs are: 1. an upper die; 2. a lower die; 3. a mold base; 4. a buffer tank; 5. a first spring; 6. a buffer plate; 7. a buffer column; 8. a buffer sleeve; 9. a shock-absorbing post; 10. a male die; 11. a die cavity; 12. a jack-up member; 120. a movable groove; 121. rotating the rod; 122. a cam; 123. a chute; 124. a slide bar; 125. a top rod; 126. a top plate; 13. a second spring; 14. a slide plate; 15. a buffer rod; 16. a buffer pressing plate; 17. a third spring; 18. a fixing plate; 19. mounting a plate; 20. a screw; 21. a butt joint plate; 22. positioning holes; 23. positioning a rod; 24. a connecting plate; 25. a hydraulic rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The precise stamping die with the buffering structure comprises an upper die 1 and a lower die 2, a die base 3 is arranged below the lower die 2, a plurality of buffer slots 4 are formed in the upper surface of the die base 3, a spring 5 is fixedly connected to the bottoms of the inner walls of the buffer slots 4, a buffer plate 6 is fixedly connected to the top end of the spring 5, buffer columns 7 are fixedly connected to the upper surface of the buffer plate 6, the top ends of the buffer columns 7 are fixedly connected with the lower die 2, four buffer sleeves 8 are fixedly connected to the upper surface of the lower die 2, four shock columns 9 and a male die 10 are fixedly connected to the lower surface of the upper die 1, the four shock columns 9 are slidably connected to the inside of the buffer sleeves 8, a concave die slot 11 is formed in the upper surface of the lower die 2, and a jacking piece 12 for jacking a workpiece is arranged below the concave die slot 11.

Wherein, as shown in fig. 2, the bottom of the inner wall of each of the four buffer sleeves 8 is fixedly connected with a second spring 13, the top end of each of the second springs 13 is fixedly connected with a sliding plate 14, and the bottom ends of the four shock-absorbing columns 9 are all in contact with the upper surface of the sliding plate 14, so that the shock-absorbing columns 9 can absorb shock through the elastic force of the second springs 13.

Wherein, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the jacking member 12 includes a movable groove 120 below the cavity 11, the left side of the inner wall of the movable groove 120 is rotatably connected with a rotating rod 121 through a bearing, a cam 122 is fixedly sleeved on the surface of the rotating rod 121, sliding grooves 123 are fixedly connected to the left and right sides of the inner wall of the movable groove 120, sliding rods 124 are slidably connected inside the sliding grooves 123, two opposite ends of the two sliding rods 124 are fixedly connected with ejector rods 125, the top end of the ejector rod 125 is fixedly connected with a top plate 126, the top plate 126 is flush with the bottom of the inner wall of the cavity 11, the right end of the rotating rod 121 penetrates through the lower mold 2 and is fixedly connected with a rotating ring, so that the rotating rod 121 is driven to rotate by rotating the rotating ring, the rotating rod 121 drives the cam 122 to rotate, when the protruding position of the cam 122 is contacted with the bottom of the ejector rod 125, the ejector rod 125 is pushed to slide up, the sliding of the ejector rod 125 drives the sliding rod 124 to slide, and the sliding of the ejector rod 125 drives the top plate 126 to slide, so that the top plate 126 pushes the stamped part on the surface to slide, and the formed stamped part is jacked up to be separated from the stamped part.

As shown in fig. 1 and fig. 2, a buffer rod 15 is slidably connected inside the bottom end of the male die 10, a buffer pressure plate 16 is fixedly connected to the bottom end of the buffer rod 15, and a third spring 17 is sleeved on the surface of the buffer rod 15 between the buffer pressure plate 16 and the male die 10, so that the buffer pressure plate 16 is driven by the elastic force of the third spring 17 to play a buffering role.

Wherein, as shown in fig. 1 and fig. 2, the upper surface of the upper die 1 is fixedly connected with two fixed plates 18, the top fixedly connected with mounting plate 19 of the relative side surface of two fixed plates 18, the internal thread of the mounting plate 19 is connected with a screw rod 20, the bottom end of the screw rod 20 is connected with a butt plate 21 through the rotation of a bearing, the top end fixedly connected with adjusting ring of the screw rod 20, so that through rotating the adjusting ring, the rotation of the adjusting ring drives the rotation of the screw rod 20, the rotation of the screw rod 20 drives the sliding of the butt plate 21, thereby realizing the fixation of the counterpressure piece.

Wherein, as shown in fig. 1 and fig. 2, a positioning hole 22 has been seted up to the upper surface of lower mould 2, and the lower surface fixedly connected with of last mould 1 has two locating levers 23, and two locating levers 23 slide in the inside of positioning hole 22 to slide in the inside of positioning hole 22 through locating lever 23, thereby be convenient for to the location of going up mould 1.

Wherein, as shown in fig. 1 and fig. 2, the die base 3 and the left and right sides of the upper die 1 are fixedly connected with connecting plates 24, and the opposite side surfaces of the two sets of connecting plates 24 are fixedly connected with hydraulic rods 25, so as to drive the upper die 1 to slide through the hydraulic rods 25.

The working principle of the utility model is as follows: when the device is used, the upper die 1 and the male die 10 are driven to press down through the hydraulic rod 25, the distance of the abutting plate 21 is adjusted according to the degree of tightness of the press part, the adjusting ring is rotated to drive the screw rod 20 to rotate, the screw rod 20 rotates to drive the abutting plate 21 to slide, so that the press part is fixed, when the upper die 1 presses down, the upper die slides down into the buffer sleeve 8 through the shock absorption column 9 and contacts with the sliding plate 14, the shock absorption effect is achieved on the shock absorption column 9 through the elasticity of the second spring 13, meanwhile, when the buffer pressure plate 16 contacts with the stamping part, the buffer pressure plate 16 plays a buffer role through the elasticity of the third spring 17, and when the upper die 1 presses down to the surface of the lower die 2, a large force is generated on the lower die 2, and through the matching of the buffer column 7 and the first spring 5, so that the lower die 2 has a buffer effect, prevent the damage of mould, after the punching press, through rotating the swivel, the swivel has driven dwang 121 to rotate, the rotation of dwang 121 has driven the rotation of cam 122, when the bottom contact of convex position and ejector pin 125 of cam 122, then slide on promoting ejector pin 125, the slip of ejector pin 125 has driven the slip of slide bar 124, it slides to drive roof 126 through the slip of ejector pin 125, make roof 126 promote surperficial stamping workpiece to slide, thereby the realization is carried out the jack-up to fashioned stamping workpiece, realize breaking away from to the stamping workpiece.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a precision stamping die with buffer structure, includes mould (1) and bed die (2), its characterized in that: a mould base (3) is arranged below the lower mould (2), a plurality of buffer grooves (4) are arranged on the upper surface of the mould base (3), the bottoms of the inner walls of the buffer grooves (4) are fixedly connected with a first spring (5), the top end of the first spring (5) is fixedly connected with a buffer plate (6), the upper surface of the buffer plate (6) is fixedly connected with a buffer column (7), the top ends of the buffer columns (7) are fixedly connected with the lower die (2), the upper surface of the lower die (2) is fixedly connected with four buffer sleeves (8), the lower surface of the upper die (1) is fixedly connected with four shock absorption columns (9) and a male die (10), the four shock absorption columns (9) are all connected inside the buffer sleeve (8) in a sliding manner, the upper surface of the lower die (2) is provided with a die cavity (11), and a jacking piece (12) for jacking a workpiece is arranged below the die cavity (11).

2. The precision press-die with a cushion structure according to claim 1, wherein: four bottom fixedly connected with No. two spring (13) of cushion collar (8) inner wall, the equal fixedly connected with slide (14) in top of No. two spring (13), four the bottom of shock attenuation post (9) all contacts with the upper surface of slide (14).

3. The precision press-die with a cushion structure according to claim 1, wherein: jack-up spare (12) are including movable groove (120) of die cavity (11) below, the left side of movable groove (120) inner wall is rotated through the bearing and is connected with dwang (121), the fixed surface of dwang (121) has cup jointed cam (122), the equal fixedly connected with spout (123) of the left and right sides of movable groove (120) inner wall, the inside sliding connection of spout (123) has slide bar (124), two the equal fixedly connected with ejector pin (125) of the relative one end of slide bar (124), the top fixedly connected with roof (126) of ejector pin (125), roof (126) are the parallel and level form with the bottom of die cavity (11) inner wall, bed die (2) and fixedly connected with change the ring are worn to locate by the right-hand member of dwang (121).

4. The precision press-die with a cushion structure according to claim 1, wherein: the inner portion of the bottom end of the male die (10) is connected with a buffer rod (15) in a sliding mode, the bottom end of the buffer rod (15) is fixedly connected with a buffer pressing plate (16), and a third spring (17) is sleeved on the surface of the buffer rod (15) between the buffer pressing plate (16) and the male die (10).

5. The precision press-die with a cushion structure according to claim 1, wherein: go up two fixed plates (18) of fixed surface of mould (1), two the top fixedly connected with mounting panel (19) of the relative side surface of fixed plate (18), the internal thread of mounting panel (19) is connected with screw rod (20), the bottom of screw rod (20) is rotated through the bearing and is connected with butt plate (21), the top fixedly connected with adjustable ring of screw rod (20).

6. The precision press-die with a cushion structure according to claim 1, wherein: the upper surface of the lower die (2) is provided with a positioning hole (22), the lower surface of the upper die (1) is fixedly connected with two positioning rods (23), and the two positioning rods (23) slide in the positioning hole (22).

7. The precision press-die with a cushion structure according to claim 1, wherein: the die base (3) and the upper die (1) are fixedly connected with connecting plates (24) on the left side surface and the right side surface, and the two groups of connecting plates (24) on the opposite side surfaces are fixedly connected with hydraulic rods (25).