CN219505324U

CN219505324U - Buffer die device for front bumper of automobile

Info

Publication number: CN219505324U
Application number: CN202320221342.0U
Authority: CN
Inventors: 胡学宁
Original assignee: Shen Zhen Hao Yuan Xing Mould Manufacture Co ltd
Current assignee: Shen Zhen Hao Yuan Xing Mould Manufacture Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-08-11
Anticipated expiration: 2033-02-15

Abstract

The utility model discloses an automobile front bumper buffer die device which comprises a bottom die and an upper die, wherein two ends of the bottom die and two ends of the upper die are fixedly connected through hydraulic cylinders, grooves are formed in two ends of the upper portion of the bottom die, buffer mechanisms are arranged in the grooves, the bottom die is in elastic contact with the upper die through the buffer mechanisms, first support plates are fixedly arranged on the front side and the rear side of the upper die, second support plates are fixedly arranged on the front side and the rear side of the bottom die, and elastic protection mechanisms are fixedly arranged between the second support plates and the first support plates. According to the utility model, when the die is transported, the upper die and the bottom die can be always in an open state through the elastic protection mechanism, so that the stability of the bottom die and the upper die in the transportation process is ensured, collision caused by jolt in the transportation process is avoided, and when the die is assembled, the die assembly collision force between the bottom die and the upper die can be buffered through the elastic action of the buffering mechanism, and the damage of the die is reduced.

Description

Buffer die device for front bumper of automobile

Technical Field

The utility model relates to the technical field of injection mold equipment, in particular to an automobile front bumper buffer mold device.

Background

The front and rear bumpers of a vehicle are exposed parts of the vehicle, and are generally manufactured by stamping dies, wherein the stamping is to apply external force to plates, strips, pipes, profiles and the like by using a press machine and a die to make the plates, strips, pipes, profiles and the like plastically deform or separate so as to obtain workpieces with required shapes and sizes, the bumpers of the vehicle are manufactured by using a stamping mode, and the used die is called an automobile bumper stamping die.

The existing automobile bumper stamping die is used for rigidly colliding an upper die with a lower die when the automobile bumper is machined, so that the contact surface of the upper die and the lower die is easy to wear, the accuracy of subsequent stamping is influenced, the quality of a product is influenced, meanwhile, the die bumps in the transportation process, the upper die and the lower die of the die are easy to collide, the die is damaged, and the service life is influenced.

Disclosure of Invention

The utility model aims to provide an automobile front bumper buffer die device.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a bumper buffering mould device before car, includes die block and last mould, die block and last mould both ends are through hydraulic cylinder fixed connection, and die block upper portion both ends position all sets up flutedly, installs buffer gear in the recess, the die block passes through buffer gear and goes up mould elastic contact, go up the equal fixed mounting of side around the mould and have first backup pad, the equal fixed mounting of side around the die block has the second backup pad, fixed mounting has elastic protection mechanism between second backup pad and the first backup pad.

Preferably, the elastic protection mechanism comprises a telescopic rod, a second spring, an internal thread cylinder and an external thread cylinder, wherein the internal thread cylinder is fixedly arranged at the bottom of the second support plate, the external thread cylinder is in threaded fit connection with the internal thread cylinder, a through hole for the second spring to be inserted is formed in the second support plate, the bottom of the second spring is fixedly connected with the bottom in the internal thread cylinder, the upper end of the second spring is in elastic contact with the first support plate, the second spring is sleeved on the surface of the telescopic rod, and the upper end and the lower end of the telescopic rod are respectively fixedly connected with the first support plate and the bottom in the internal thread cylinder.

Preferably, the buffer mechanism comprises a slide bar and a first spring, the bottom of the slide bar is fixedly arranged in the groove, the upper end of the slide bar is movably inserted into the upper die, and the first spring is movably sleeved on the surface of the slide bar.

Preferably, the bottom of the internal thread cylinder is fixedly provided with a handle, and the length of the handle is larger than the diameter of the internal thread cylinder.

Preferably, the distance between the bottom surface of the external thread cylinder and the bottom surface of the bottom die is larger than the length of the internal thread cylinder.

Preferably, the hydraulic cylinder is started and stopped by a control switch.

Compared with the prior art, the utility model has the advantages that:

according to the utility model, when the die is transported, the upper die and the bottom die can be always in an open state through the elastic protection mechanism, so that the stability of the bottom die and the upper die in the transportation process is ensured, collision caused by jolt in the transportation process is avoided, and when the die is assembled, the die assembly collision force between the bottom die and the upper die can be buffered through the elastic action of the buffering mechanism, and the damage of the die is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a block diagram of an automotive front bumper fascia die apparatus in accordance with the present utility model;

FIG. 2 is a block diagram of the spring guard mechanism of the present utility model;

FIG. 3 is a partial cross-sectional view of the spring guard mechanism of the present utility model;

fig. 4 is an enlarged schematic view of the structure at a in fig. 1.

In the figure: the die comprises a die block 1, a groove 11, an upper die 2, a hydraulic cylinder 3, a buffer mechanism 4, a 41 sliding rod, a first spring 42, an elastic protection mechanism 5, a first supporting plate 51, a second supporting plate 52, a telescopic rod 53, a second spring 54, an internal thread cylinder 55, an external thread cylinder 56, a handle 57 and a port 58.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

Referring to fig. 1-4, the utility model provides an automobile front bumper buffer mold device, which comprises a bottom mold 1 and an upper mold 2, wherein two ends of the bottom mold 1 and the upper mold 2 are fixedly connected through a hydraulic cylinder 3, two ends of the upper part of the bottom mold 1 are respectively provided with a groove 11, a buffer mechanism 4 is arranged in each groove 11, the bottom mold 1 is elastically contacted with the upper mold 2 through the buffer mechanism 4, the front side and the rear side of the upper mold 2 are respectively fixedly provided with a first support plate 51, the front side and the rear side of the bottom mold 1 are respectively fixedly provided with a second support plate 52, and an elastic protection mechanism 5 is fixedly arranged between the second support plates 52 and the first support plates 51.

In this embodiment, the elastic protection mechanism 5 includes a telescopic rod 53, a second spring 54, an internal thread cylinder 55 and an external thread cylinder 56, the internal thread cylinder 55 is fixedly installed at the bottom of the second support plate 52, the external thread cylinder 56 is in threaded fit connection with the internal thread cylinder 55, a through hole 58 for inserting the second spring 54 is formed in the second support plate 52, the bottom of the second spring 54 is fixedly connected with the bottom in the internal thread cylinder 55, the upper end of the second spring 54 is in elastic contact with the first support plate 51, the second spring 54 is sleeved on the surface of the telescopic rod 53, and the upper end and the lower end of the telescopic rod 53 are respectively fixedly connected with the first support plate 51 and the bottom in the internal thread cylinder 55.

In this embodiment, the buffer mechanism 4 includes a slide bar 41 and a first spring 42, the bottom of the slide bar 41 is fixedly installed in the groove 11, the upper end of the slide bar 41 is movably inserted into the upper mold 2, and the first spring 42 is movably sleeved on the surface of the slide bar 41.

Further, in this embodiment, for convenience of operation of a worker, the bottom of the internal thread tube 55 is fixedly provided with the handle 57, the handle 57 is of a steel structure, the handle 57 is welded at the bottom of the internal thread tube 55, the length of the handle 57 is greater than the diameter of the internal thread tube 55, and the handle 57 can facilitate the worker to rotate the internal thread tube 55, thereby changing the compression amount of the second spring 54.

Further, in order to avoid that the distance between the bottom of the internal thread cylinder 55 and the ground is too small, the worker cannot rotate the internal thread cylinder 55 conveniently, in this embodiment, the distance between the bottom surface of the external thread cylinder 56 and the bottom surface of the bottom mold 1 is greater than the length of the internal thread cylinder 55.

In this embodiment, the hydraulic cylinder 3 is started and stopped by a control switch.

The method comprises the following specific working steps that when a die is transported, the internal thread cylinder 55 can be rotated through the handle 57, at the moment, the internal thread cylinder 55 moves upwards and can compress the second spring 54, so that the second spring 54 is in a compressed state, the upper die 2 and the bottom die 1 are always in an open state, stability of the transportation process of the bottom die 1 and the upper die 2 can be guaranteed under the elastic force action of the second spring 54, collision caused by bumping in the transportation process is avoided, opening and closing between the bottom die 1 and the upper die 2 can be controlled through the hydraulic cylinder 3, and when the die is closed, the die closing collision force between the bottom die 1 and the upper die 2 can be buffered under the elastic force action of the first spring 42, so that damage to the die is reduced.

Although the embodiments of the present utility model have been described with reference to the accompanying drawings, the patentees may make various modifications or alterations within the scope of the appended claims, and are intended to be within the scope of the utility model as described in the claims.

Claims

1. The utility model provides an automobile front bumper buffering mould device, includes die block and last mould, its characterized in that: the die block is characterized in that the two ends of the die block and the upper die are fixedly connected through hydraulic cylinders, grooves are formed in the two ends of the upper portion of the die block, a buffer mechanism is arranged in the grooves, the die block is in elastic contact with the upper die through the buffer mechanism, a first supporting plate is fixedly arranged on the front side and the rear side of the upper die, a second supporting plate is fixedly arranged on the front side and the rear side of the die block, and an elastic protection mechanism is fixedly arranged between the second supporting plate and the first supporting plate.

2. The automobile front bumper buffer mold device according to claim 1, wherein: the elastic protection mechanism comprises a telescopic rod, a second spring, an internal thread cylinder and an external thread cylinder, wherein the internal thread cylinder is fixedly arranged at the bottom of a second supporting plate, the external thread cylinder is in threaded fit connection with the internal thread cylinder, a through hole for the second spring to be inserted is formed in the second supporting plate, the bottom of the second spring is fixedly connected with the inner bottom of the internal thread cylinder, the upper end of the second spring is in elastic contact with the first supporting plate, the second spring is sleeved on the surface of the telescopic rod, and the upper end and the lower end of the telescopic rod are respectively fixedly connected with the inner bottom of the first supporting plate and the internal thread cylinder.

3. The automobile front bumper buffer mold device according to claim 1, wherein: the buffer mechanism comprises a slide bar and a first spring, the bottom of the slide bar is fixedly arranged in the groove, the upper end of the slide bar is movably inserted into the upper die, and the first spring is movably sleeved on the surface of the slide bar.

4. The automobile front bumper buffer mold device according to claim 2, wherein: the handle is fixedly arranged at the bottom of the internal thread cylinder, and the length of the handle is larger than the diameter of the internal thread cylinder.

5. The automobile front bumper buffer mold device according to claim 2, wherein: the distance between the bottom surface of the external thread cylinder and the bottom surface of the bottom die is greater than the length of the internal thread cylinder.

6. The automobile front bumper buffer mold device according to claim 1, wherein: the hydraulic cylinder is started and stopped by a control switch.