CN218925941U - Stamping die for automobile frame - Google Patents

Abstract

The utility model relates to the technical field of stamping dies, in particular to an automobile frame stamping die which comprises a stamping machine and a fixed block, wherein a cavity is formed in the stamping machine, and a buffer assembly used for buffering the die is arranged in the cavity. According to the utility model, the fixing block can shrink to buffer during stamping, so that the service life of the lower die can be prolonged, and the stamping quality can be ensured.

Description

Stamping die for automobile frame

Technical Field

The utility model relates to the technical field of stamping dies, in particular to an automobile frame stamping die.

Background

The stamping is a forming processing method for obtaining a workpiece with a required shape and size by applying external force to plates, strips, pipes, sectional materials and the like by using a press machine and a die to make the plates, the strips, the pipes, the sectional materials and the like generate plastic deformation or separation.

According to the automobile frame stamping die provided by the patent document with the application number of CN202022824568.9, the automobile frame stamping die comprises a base, wherein two supporting beams which are symmetrically arranged, two sliding rails which are symmetrically arranged and a driving mechanism are respectively and fixedly connected with a base surface of the base, the two supporting beams are provided with stamping dies, the two sliding rails are connected with two movable plates which are symmetrically arranged in a sliding manner, and the two opposite side walls of the two movable plates are fixedly connected with two guide bars. The utility model solves the problems that in the stamping process of the automobile frame stamping die, the upper die and the lower die are deviated after long-time stamping, and the stamping is unstable and even the die is crashed after the deviation.

The automobile frame stamping die in the above patent solves the problems that after long-time stamping, the upper die and the lower die are deviated, stamping is unstable and even the die is collided after deviation, but when the frame is stamped, the stamping die is simpler in structure, the upper die instantaneously impacts the lower die, pressure is formed on the lower die for a long time, the lower die is easy to damage, and therefore the product forming quality can be influenced.

Disclosure of Invention

The utility model aims to provide a stamping die for an automobile frame, which is used for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an automobile frame stamping die, includes punching machine and fixed block, the inside cavity that is provided with of punching machine, the inside buffer unit that is used for buffering the mould that is provided with of cavity.

As a preferable scheme of the utility model, the buffer component comprises a fixed block arranged in a cavity, hydraulic rods are arranged around the inner wall of the cavity, sliding blocks are arranged at one ends, far away from the inner wall of the cavity, of the hydraulic rods, rotating shafts are arranged on the sliding blocks and the inner wall of the fixed block, a limit rod is arranged on the outer wall of the rotating shaft, a supporting plate is arranged at the bottom of the fixed block, and a plurality of high-strength springs are arranged at the bottom of the supporting plate.

As the preferable scheme of the utility model, the fixed block is in sliding connection with the inner wall of the cavity, a plurality of hydraulic rods are connected with the inner wall of the cavity through bolts, the conveying ends of the hydraulic rods are connected with the sliding block through bolts, the sliding block is in sliding connection with the inner wall of the cavity, and two ends of the limiting rod are in rotating connection with the sliding block and the fixed block through rotating shafts.

As a preferable scheme of the utility model, two ends of the high-strength springs are connected with the bottom of the supporting plate and the inner wall of the cavity in a welding mode, and the top of the supporting plate is contacted with the bottom of the fixed block.

As a preferable scheme of the utility model, sliding grooves are formed in two sides of the inner wall of the cavity, and clamping blocks are arranged on two sides of the fixed block.

As a preferable scheme of the utility model, the fixing block and the clamping blocks on two sides are uniformly formed, and the clamping blocks are in sliding connection with the inner wall of the chute.

As a preferable scheme of the utility model, an upper die is arranged on the inner wall of the punching machine, a lower die is arranged on the top of the fixed block, and the lower die is connected with the top of the fixed block through bolts.

Compared with the prior art, the utility model has the beneficial effects that: aiming at the problems in the background technology, the buffer assembly is adopted, the fixing block can slide up and down in the cavity through the clamping block, the fixing block slides and simultaneously pushes the sliding block to slide through the rotating shaft and the limiting rod, the sliding block and the fixing block are buffered through the hydraulic rod, the supporting plate and the high-strength spring are used for auxiliary buffering, and the fixing block is pushed to the original position through the hydraulic rod and the high-strength spring after stamping is finished.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is an enlarged view of the portion A of the present utility model;

FIG. 3 is a front cross-sectional view of the present utility model;

FIG. 4 is an enlarged view of the portion B of the present utility model;

fig. 5 is an enlarged view of the C portion of the present utility model.

In the figure: 1. a punching machine; 101. a cavity; 102. a chute; 2. a fixed block; 201. a clamping block; 3. a hydraulic rod; 4. a slide block; 5. a limit rod; 501. a rotating shaft; 6. a support plate; 601. a high strength spring; 7. a lower die; 8. and (5) feeding a die.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides an automobile frame stamping die, includes punching machine 1 and fixed block 2, punching machine 1 is inside to be provided with cavity 101, cavity 101 is inside to be provided with the buffer unit that is used for carrying out the buffering to the mould.

All electrical components in this embodiment are controlled by a conventional controller.

Referring to fig. 1-5, the buffer assembly includes a fixed block 2 disposed in a cavity 101, hydraulic rods 3 are disposed around the inner wall of the cavity 101 and can drive a sliding block 4 to slide on the inner wall of the cavity 101, the fixed block 2 drives the sliding block 4 to slide toward the hydraulic rods 3 through a limiting rod 5 when sliding block 4 pressure reaches a specified value, the hydraulic rods 3 can be pushed to shrink when the pressure of the sliding block 4 reaches a specified value, the hydraulic rods 3 can push the sliding block 4 to a specified position after stamping is finished, one ends of a plurality of the hydraulic rods 3 far away from the inner wall of the cavity 101 are provided with sliding blocks 4 and can slide on the inner wall of the cavity 101, the sliding blocks 4 and the inner wall of the fixed block 2 are provided with rotating shafts 501, so that the limiting rod 5 can rotate between the fixed block 2 and the sliding block 4, the outer wall of the rotating shafts 501 is provided with the limiting rods 5 for connecting the fixed block 2 and the sliding block 4, the bottom of the fixed block 2 is provided with a supporting plate 6, the device is used for supporting the fixed block 2, a plurality of high-strength springs 601 are arranged at the bottom of the supporting plate 6 and used for buffering the supporting plate 6, the fixed block 2 is slidably connected with the inner wall of the cavity 101, a plurality of hydraulic rods 3 are connected with the inner wall of the cavity 101 through bolts, the conveying ends of the hydraulic rods 3 are connected with the sliding blocks 4 through bolts, the sliding blocks 4 are slidably connected with the inner wall of the cavity 101, two ends of the limiting rods 5 are rotatably connected with the sliding blocks 4 and the fixed block 2 through rotating shafts 501, two ends of the high-strength springs 601 are connected with the bottom of the supporting plate 6 and the inner wall of the cavity 101 through welding, the top of the supporting plate 6 is contacted with the bottom of the fixed block 2, when an upper die 8 reaches a specified pressure on a lower die 7 during punching, the fixed block 2 slides downwards on the inner wall of the cavity 101, and meanwhile, the sliding blocks 4 are pushed to slide towards the hydraulic rods 3 through the rotating shafts 501 and the limiting rods 5, simultaneously reach the inside shrink of appointed pressure back hydraulic rod 3, fixed block 2 contact backup pad 6 is through high strength spring 601 shrink simultaneously to cushion fixed block 2, hydraulic rod 3 promotes slider 4 to fixed block 2 slip after the punching press is finished, and promotes fixed block 2 through gag lever post 5 and rise upwards, utilizes high strength spring 601 to promote backup pad 6 and drive fixed block 2 simultaneously and rise, thereby makes fixed block 2 rise to the appointed position.

Referring to fig. 1-3, sliding grooves 102 are formed on two sides of an inner wall of the cavity 101, clamping blocks 201 are formed on two sides of the fixed block 2 and used for limiting the sliding position of the fixed block 2, the fixed block 2 and the clamping blocks 201 on two sides are integrally formed, the clamping blocks 201 are slidably connected with the inner wall of the sliding grooves 102, an upper die 8 is arranged on the inner wall of the punching machine 1, a lower die 7 is arranged at the top of the fixed block 2, and the lower die 7 is connected with the top of the fixed block 2 through bolts.

The working flow of the utility model is as follows: when the upper die 8 reaches the specified pressure to the lower die 7 during punching, the fixed block 2 slides downwards on the inner wall of the cavity 101, meanwhile, the sliding block 4 is pushed to slide towards the hydraulic rod 3 through the rotating shaft 501 and the limiting rod 5, the hydraulic rod 3 contracts inwards after the specified pressure is reached, meanwhile, the fixed block 2 contacts the supporting plate 6 to contract through the high-strength spring 601, so that the fixed block 2 is buffered, after punching, the hydraulic rod 3 pushes the sliding block 4 to slide towards the fixed block 2, and the limiting rod 5 pushes the fixed block 2 to lift upwards, meanwhile, the supporting plate 6 is pushed by the high-strength spring 601 and the fixed block 2 is driven to lift, so that the fixed block 2 is lifted to the specified position.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (4)

1. The utility model provides an automobile frame stamping die, includes punching machine (1) and fixed block (2), its characterized in that: the inside cavity (101) that is provided with of punching machine (1), cavity (101) inside is provided with the buffer module that is used for carrying out the buffering to the mould, buffer module is including setting up fixed block (2) inside cavity (101), all be provided with hydraulic stem (3) around cavity (101) inner wall, a plurality of hydraulic stem (3) keep away from the one end of cavity (101) inner wall all be provided with slider (4), slider (4) and fixed block (2) inner wall all are provided with pivot (501), pivot (501) outer wall is provided with gag lever post (5), fixed block (2) bottom is provided with backup pad (6), backup pad (6) bottom is provided with a plurality of high strength springs (601), fixed block (2) and cavity (101) inner wall sliding connection, a plurality of hydraulic stem (3) all are connected through the bolt with cavity (101) inner wall, a plurality of hydraulic stem (3) delivery end all are connected through bolt and slider (4), slider (4) and cavity (101) inner wall sliding connection, gag lever post (5) and both ends (501) are connected through pivot (6) and both ends (6) and high strength all through rotation mode (601), the top of the supporting plate (6) is contacted with the bottom of the fixed block (2).

2. The automotive frame stamping die of claim 1, wherein: both sides of the inner wall of the cavity (101) are provided with sliding grooves (102), and both sides of the fixed block (2) are provided with clamping blocks (201).

3. The automotive frame stamping die of claim 1, wherein: the fixing block (2) and clamping blocks (201) on two sides are integrally formed, and the clamping blocks (201) are slidably connected with the inner wall of the sliding groove (102).

4. The automotive frame stamping die of claim 1, wherein: an upper die (8) is arranged on the inner wall of the punching machine (1), a lower die (7) is arranged on the top of the fixed block (2),

the lower die (7) is connected with the top of the fixed block (2) through bolts.

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