CN218798605U

CN218798605U - Anti-rebound type precision stamping die

Info

Publication number: CN218798605U
Application number: CN202223096446.8U
Authority: CN
Inventors: 雷先堂; 涂运保; 罗正喜
Original assignee: Shenzhen Tengchuang Precision Hardware Co ltd
Current assignee: Shenzhen Tengchuang Precision Hardware Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-04-07
Anticipated expiration: 2032-11-21

Abstract

The utility model relates to an accurate stamping module technical field, concretely relates to prevent accurate stamping die of resilience formula, its technical scheme is: including the lower mould, go up mould and briquetting, still include electric telescopic handle, controller, the even symmetry setting of frame, fixed mounting on the frame top four groups of positioning groove subassemblies on the lower mould both sides and set up the locking positioning assembly on last mould, the beneficial effects of the utility model are that: the accurate stamping die has the advantages that the accurate stamping die can be clamped by the upper die and the lower die of the accurate stamping die in a threaded connection mode, the upper die and the lower die of the accurate stamping die are fixed together, the phenomenon of springback caused by overlarge stress during clamping of the upper die and the lower die of the accurate stamping die is avoided, the accuracy of stamping of a pressing block on the upper die on a metal material sheet is ensured, the stamping forming quality and the stamping forming precision of parts are ensured, and the phenomenon that the unqualified parts of stamping forming cause the waste of the metal material sheet is avoided.

Description

Anti-rebound type precision stamping die

Technical Field

The utility model relates to an accurate stamping die technical field, concretely relates to prevent accurate stamping die of resilience formula.

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.

Current precision stamping die does not have the structure of preventing kick-backing, can produce the resilience phenomenon because of stress is too big when precision stamping die's last mould and lower mould carry out the compound die, in case the resilience phenomenon appears, will lead to mould and lower mould pressfitting insecure, thereby lead to installing the briquetting on last mould not in place to the punching press of metal material piece, the position accuracy is relatively poor, thereby the stamping forming quality and the stamping forming precision that lead to the part are lower, it is extravagant to probably make the part of stamping forming unqualified lead to the metal material piece, precision die's practicality has been reduced.

Therefore, the invention is necessary to develop the anti-rebound precision stamping die.

SUMMERY OF THE UTILITY MODEL

For this reason, the utility model provides a prevent accurate stamping die of resilience formula, through the positioning groove subassembly, locking positioning component and controller can realize when accurate stamping die's last mould and lower mould carry out the compound die, the mode through threaded connection is together fixed with accurate stamping die's last mould and lower mould, it takes place because of the too big rebound phenomenon that produces of stress when having avoided accurate stamping die's last mould and lower mould compound die, the stamping forming quality and the stamping forming precision of part have been guaranteed, do not have the structure of preventing resilience in order to solve current accurate stamping die, can be because of the too big rebound phenomenon that produces of stress when accurate stamping die's last mould and lower mould carry out the compound die, thereby the lower problem of stamping forming quality and the stamping forming precision that leads to the part.

In order to achieve the above object, the present invention provides the following technical solutions: the anti-rebound type precision stamping die comprises a lower die, an upper die and a pressing block fixedly arranged on the bottom of the upper die, and also comprises a frame, an electric telescopic rod fixedly arranged on the top of the frame, a controller fixedly arranged on the bottom end of the frame, four groups of positioning groove assemblies uniformly and symmetrically arranged on two sides of the lower die and a locking positioning assembly arranged on the upper die;

the lower die and the upper die are respectively installed at the bottom end of the frame and the bottom end of the electric telescopic rod.

Preferably, the frame includes bottom plate and roof, the equal fixed mounting in top four corners of bottom plate has the bracing piece, four groups the top of bracing piece is fixed mounting respectively on the bottom four corners of roof.

Preferably, the controller is fixedly installed on one side of the top of the bottom plate, the top end of the electric telescopic rod is fixedly installed on the center of the bottom of the top plate, the controller is electrically connected with the electric telescopic rod, and a groove is formed in the upper portion of the lower die.

Preferably, the locating groove component comprises a thread groove, the thread groove is formed in one side of the upper portion of the lower die, a locating groove is communicated with the lower portion of the thread groove, and the locating groove is formed in the lower die.

Preferably, the locking positioning assembly comprises four groups of bolt rods, the four groups of bolt rods are uniformly symmetrically and rotatably arranged on two sides of the upper die and are in transmission fit connection, a motor is fixedly connected to the top end of one group of bolt rods, and positioning rods are fixedly arranged at the bottom ends of the four groups of bolt rods.

Preferably, the housing of the motor is fixedly mounted on the top of the upper die, an output shaft of the motor is fixedly connected with the top end of the bolt rod at the corresponding position, and the motor is electrically connected with the controller.

Preferably, four groups the equal fixed mounting in upper portion of shank of bolt has first sprocket, and two sets of first sprockets that the homonymy set up all connect through first chain drive cooperation, go up the equal fixed mounting in two sets of shank of bolt tops that the mould is close to the motor and set up and have the second sprocket, two sets of the second sprocket passes through second chain drive cooperation and connects, and the second chain sets up with two sets of first chains are perpendicular.

The utility model has the advantages that: through the locating slot subassembly, locking locating component and controller can realize when precision stamping die's last mould and lower mould carry out the compound die, mode through threaded connection is together fixed with precision stamping die's last mould and lower mould, thereby make precision stamping die's last mould and lower mould compound die more firm, because of the too big emergence of the phenomenon of kick-backing that produces of stress when having avoided precision stamping die's last mould and lower mould compound die, the accuracy of the briquetting on the last mould to the punching press of metal material piece has been guaranteed, the stamping forming quality and the stamping forming precision of part have been guaranteed promptly, the unqualified phenomenon that leads to the metal material piece waste of stamping forming's part has been avoided to take place, therefore, the clothes hanger is strong in practicability.

Drawings

Fig. 1 is a front view of a precision stamping die provided by the present invention;

FIG. 2 is a structural diagram of a precision stamping die provided by the present invention;

fig. 3 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2 according to the present invention;

figure 4 is a cross-sectional view of the utility model shown in figure 3B-B,

in the figure: 1-bottom plate, 2-controller, 3-top plate, 4-support rod, 5-lower die, 6-groove, 7-pressing block, 8-upper die, 9-electric telescopic rod, 10-positioning rod, 11-bolt rod, 12-first chain wheel, 13-first chain, 14-second chain wheel, 15-second chain, 16-motor, 17-thread groove and 18-positioning groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to the accompanying drawings 1-4, the utility model provides a prevent accurate stamping die of resilience formula, including lower mould 5, go up mould 8 and fixed mounting briquetting 7 on last mould 8 bottom, still include the frame, electric telescopic handle 9 of fixed mounting on the frame top, controller 2 of fixed mounting on the frame bottom, four group's positioning groove subassemblies that even symmetry set up on 5 both sides of lower mould and set up the locking positioning assembly on last mould 8, lower mould 5 and last mould 8 are installed respectively on frame bottom and electric telescopic handle 9 bottom.

The frame includes bottom plate 1 and roof 3, the equal fixed mounting in top four corners of bottom plate 1 has bracing piece 4, the top of four group's bracing pieces 4 is fixed mounting respectively on the bottom four corners of roof 3, be in the same place bottom plate 1 and roof 3 fixed connection through four group's

bracing pieces

4, 2 fixed mounting of controller are on 1 top one side of bottom plate, the top fixed mounting of electric telescopic handle 9 is on 3 bottom centers of roof,

controller

2 and 9 electric connection of electric telescopic handle, through the flexible of 9 outputs of controller 2 control electric telescopic handle, the upper portion of lower mould 5 is provided with recess 6.

The positioning groove assembly comprises a thread groove 17, the thread groove 17 is arranged on one side of the upper portion of the lower die 5, a positioning groove 18 is communicated below the thread groove 17, and the positioning groove 18 is arranged in the lower die 5.

The locking and positioning assembly comprises four groups of bolt rods 11, the four groups of bolt rods 11 are uniformly and symmetrically arranged on two sides of an upper die 8 in a rotating mode, the four groups of bolt rods 11 are in transmission fit connection, the top end of one group of bolt rods 11 is fixedly connected with a motor 16, the four groups of bolt rods 11 are driven to rotate through the motor 16, positioning rods 10 are fixedly arranged at the bottom ends of the four groups of bolt rods 11, the four groups of positioning rods 10 slide into four groups of positioning grooves 18 to position the upper die 8 in the horizontal direction, a shell of the motor 16 is fixedly arranged on the top of the upper die 8, an output shaft of the motor 16 is fixedly connected with the top ends of the bolt rods 11 at corresponding positions, the motor 16 is electrically connected with a controller 2, the controller 2 is used for controlling the opening and closing of the motor 16 and the rotating direction of the output shaft of the motor 16, the upper portions of four groups of bolt bars 11 are all fixedly mounted with first chain wheels 12, and two groups of first chain wheels 12 arranged on the same side are all connected through transmission cooperation of first chains 13, it is close to two groups of bolt bars 11 top portions arranged on the motor 16 to be all fixedly mounted with second chain wheels 14 to go up mould 8, two groups of second chain wheels 14 are connected through transmission cooperation of second chains 15, and second chains 15 and two groups of first chains 13 are perpendicular to be arranged, synchronous rotation of four groups of bolt bars 11 can be realized, and the rotation direction is the same, downward movement can make four groups of bolt bars 11 and four groups of thread grooves 17 threaded connection when four groups of bolt bars 11 rotate, thereby make the mould 8 and lower mould 5 compound die more firm.

The utility model discloses a use as follows: when the device is used, a worker places a metal material sheet in the top of the groove 6, then the controller 2 starts the electric telescopic rod 9, the electric telescopic rod 9 works to drive the upper die 8 and the pressing block 7 to move downwards, the upper die 8 moves downwards to enable the four groups of bolt rods 11 and the four groups of positioning rods 10 to move downwards, so that the four groups of positioning rods 10 respectively slide into the four groups of thread grooves 17 and gradually slide into the four groups of positioning grooves 18, when the four groups of bolt rods 11 are contacted with the top ends of the four groups of thread grooves 17, the controller 2 starts the motor 16, the motor 16 works to drive the bolt rods 11 fixedly connected with the output shaft of the motor 16 to rotate, because the first chain wheels 12 are fixedly arranged on the four groups of bolt rods 11, and the two groups of first chain wheels 12 arranged on the same side are connected in a transmission fit way through the first chains 13, the second chain wheels 14 are fixedly arranged on the two groups of bolt rods 11 arranged on one side of the upper die 8, and the two groups of second chain wheels 14 are connected in a transmission fit way through the second chains 15, that is, the four sets of bolt bars 11 are rotated synchronously in the same direction, the four sets of bolt bars 11 are moved downward while being rotated, that is, the four sets of bolt bars 11 are screwed with the four sets of thread grooves 17, the press block 7 is moved downward to perform press forming on the metal material sheet, when the bottom of the upper die 8 is in contact with the top of the lower die 5, the part is completely formed, the upper die 8 and the lower die 5 are fixed together through threaded connection, so that the upper die and the lower die of the precision stamping die are more firmly assembled, the phenomenon of springback caused by overlarge stress when the upper die and the lower die of the precision stamping die are assembled is avoided, the accuracy of stamping the metal material sheet by the pressing block on the upper die is ensured, the punch forming quality and the punch forming precision of parts are ensured, and the phenomenon that the metal material sheet is wasted due to disqualification of the punch forming parts is avoided.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. Prevent accurate stamping die of resilience formula, including lower mould (5), go up mould (8) and fixed mounting briquetting (7) on last mould (8) bottom, its characterized in that: the device comprises a lower die (5) and an upper die (8), and is characterized by also comprising a frame, an electric telescopic rod (9) fixedly arranged on the top of the frame, a controller (2) fixedly arranged on the bottom end of the frame, four groups of positioning groove assemblies uniformly and symmetrically arranged on two sides of the lower die (5) and a locking positioning assembly arranged on the upper die (8);

and the lower die (5) and the upper die (8) are respectively arranged at the bottom end of the frame and the bottom end of the electric telescopic rod (9).

2. The anti-rebound precision stamping die according to claim 1, wherein: the frame includes bottom plate (1) and roof (3), the equal fixed mounting in top four corners of bottom plate (1) has bracing piece (4), four groups the top of bracing piece (4) is fixed mounting respectively on the bottom four corners of roof (3).

3. The anti-rebound precision stamping die according to claim 1, wherein: the locking and positioning assembly comprises four groups of bolt rods (11), the four groups of bolt rods (11) are uniformly and symmetrically arranged on two sides of the upper die (8) in a rotating mode, the four groups of bolt rods (11) are connected in a transmission matching mode, a motor (16) is fixedly connected to the top end of one group of bolt rods (11), and positioning rods (10) are fixedly mounted at the bottom ends of the four groups of bolt rods (11).

4. The anti-rebound precision stamping die according to claim 1, characterized in that: the locating groove component comprises a thread groove (17), the thread groove (17) is arranged on one side of the upper portion of the lower die (5), a locating groove (18) is communicated with the lower portion of the thread groove (17), and the locating groove (18) is arranged in the lower die (5).

5. The anti-rebound precision stamping die according to claim 2, wherein: controller (2) fixed mounting is on bottom plate (1) top one side, the top fixed mounting of electric telescopic handle (9) is on roof (3) bottom center, controller (2) and electric telescopic handle (9) electric connection, the upper portion of lower mould (5) is provided with recess (6).

6. The anti-rebound precision stamping die according to claim 3, wherein: the shell of the motor (16) is fixedly installed on the top of the upper die (8), an output shaft of the motor (16) is fixedly connected with the top end of the bolt rod (11) in the corresponding position, and the motor (16) is electrically connected with the controller (2).

7. The anti-rebound precision stamping die according to claim 3, characterized in that: four groups the equal fixed mounting in upper portion of shank of bolt (11) has first sprocket (12), and two sets of first sprockets (12) that the homonymy set up all connect through first chain (13) transmission fit, it is two sets of to go up the equal fixed mounting in two sets of shank of bolt (11) tops that mould (8) are close to setting up on motor (16) has second sprocket (14), two sets of second sprocket (14) are connected through second chain (15) transmission fit, and second chain (15) set up with two sets of first chain (13) are perpendicular.