CN216780070U

CN216780070U - Mould that cooperation precision is high

Info

Publication number: CN216780070U
Application number: CN202123423335.9U
Authority: CN
Inventors: 龚发友; 周桥如; 王雨波; 王凯; 刘鹏程
Original assignee: Dongguan Dingwei Precision Technology Co ltd
Current assignee: Dongguan Dingwei Precision Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-21
Anticipated expiration: 2031-12-31

Abstract

The utility model belongs to the technical field of dies, and particularly relates to a die with high matching precision, which comprises a lower die and an upper die, wherein limiting holes are symmetrically formed in the lower die, elastic balls are fixedly arranged on the inner walls of the limiting holes at equal intervals, connecting plates are fixedly arranged on the surfaces of the elastic balls, and sliding strips are fixedly arranged on the surfaces of the connecting plates at equal intervals. According to the utility model, through the matching use between the limiting hole and the limiting rod, the high-precision matching between the upper die and the lower die can be ensured, in the process, through the matching use between the sliding strip and the limiting sliding groove, the sliding friction resistance of the limiting rod is reduced, so that the sliding stability of the limiting rod is ensured, through the contact action between the elastic salient points and the lower die, the buffer ring slides along the surface of the limiting rod, and under the action of the spring seat, the spring is stressed and compressed, so that the impact force can be buffered, and the good buffering effect of the upper die is ensured.

Description

Mould that cooperation precision is high

Technical Field

The utility model relates to the technical field of dies, in particular to a die with high matching precision.

Background

The mould is used for obtaining various moulds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool for making a molded article, which is composed of various parts, and different molds are composed of different parts, and the processing of the shape of the article is mainly realized by the change of the physical state of the molded material. However, the existing die for processing the metal shell also has certain defects, does not have a good limiting function, is difficult to match and use the upper die and the lower die with high precision, does not have a buffering performance, and is easy to cause impact damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a die with high matching precision, which solves the problems that the existing die does not have a good limiting function, and is difficult to match and use an upper die and a lower die with high precision, and solves the problems that the upper die does not have buffering performance and is easy to cause impact damage.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a mould that cooperation precision is high, includes bed die and last mould, spacing hole has been seted up to the inside symmetry of bed die, the inner wall equidistance fixed mounting in spacing hole has the elastic ball, the fixed surface of elastic ball installs the connecting plate, the fixed surface of connecting plate equidistance fixed mounting has the draw runner, the fixed surface of going up the mould installs the gag lever post, spacing spout has been seted up to the inside of gag lever post, the fixed surface of going up the mould installs the spring holder, contact between spring holder and the gag lever post.

Preferably, the elastic ball is made of high-elasticity silicone grease, and the elastic ball is fixedly bonded with the limiting hole through an adhesive.

Preferably, the sliding strip is made of cold-rolled steel, and the whole sliding strip is in an arc-column shape.

Preferably, the surface slidable mounting of gag lever post has the cushion ring, the surperficial equidistance fixed mounting of cushion ring has the elasticity bump.

Preferably, the elastic salient points are made of high-elasticity rubber materials, and friction grains are arranged on the surfaces of the elastic salient points.

Preferably, a spring is arranged on the outer side of the limiting rod, and two ends of the spring are respectively fixed with the spring seat and the buffer ring.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the high-precision matching between the upper die and the lower die can be ensured by the matching use between the limiting hole and the limiting rod, so that in the process, the sliding friction resistance of the limiting rod is reduced by the matching use between the sliding strip and the limiting sliding chute, and the sliding stability of the limiting rod is ensured.

2. According to the utility model, the buffer ring slides along the surface of the limiting rod under the contact action between the elastic salient points and the lower die, and the impact force can be buffered by the stress compression of the spring under the action of the spring seat, so that the good buffer effect of the upper die is ensured.

Drawings

FIG. 1 is a perspective view of the overall construction of the present invention;

FIG. 2 is an elevational, cross-sectional view of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

fig. 4 is an enlarged view of fig. 2 at B of the present invention.

In the figure: 1. a lower die; 2. an upper die; 3. a limiting hole; 4. an elastic ball; 5. a connecting plate; 6. a slide bar; 7. a limiting rod; 8. a limiting chute; 9. a buffer ring; 10. elastic salient points; 11. a spring seat; 12. A spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a mold with high matching precision includes a lower mold 1 and an upper mold 2, the lower mold 1 is symmetrically provided with a limiting hole 3 inside, elastic balls 4 are fixedly mounted on the inner wall of the limiting hole 3 at equal intervals, a connecting plate 5 is fixedly mounted on the surface of the elastic balls 4, a slide bar 6 is fixedly mounted on the surface of the connecting plate 5 at equal intervals, a limiting rod 7 is fixedly mounted on the surface of the upper mold 2 at equal intervals, a limiting sliding groove 8 is formed inside the limiting rod 7, a spring seat 11 is fixedly mounted on the surface of the upper mold 2, and the spring seat 11 is in contact with the limiting rod 7.

Referring to fig. 1-3, the elastic ball 4 is made of high-elasticity silicone grease, and the elastic ball 4 is bonded and fixed with the limiting hole 3 by an adhesive, so that the connecting plate 5 has a good deformation effect by the arrangement of the elastic ball 4, thereby ensuring that the slide bar 6 is stably contacted with the limiting chute 8.

Referring to fig. 1-3, the slide bar 6 is made of cold rolled steel, and the slide bar 6 is in a circular arc column shape as a whole, so as to ensure good durability of the slide bar 6.

Referring to fig. 1, 2 and 4, the surface of the limiting rod 7 is slidably provided with a buffer ring 9, the surface of the buffer ring 9 is fixedly provided with elastic bumps 10 at equal intervals, and the arrangement of the elastic bumps 10 can improve the friction effect on the surface of the buffer ring 9 and ensure the stable contact of the buffer ring 9.

Referring to fig. 1, 2 and 4, the elastic bump 10 is made of a high-elasticity rubber material, and the surface of the elastic bump 10 is provided with friction lines, so as to ensure a good deformation effect of the elastic bump 10 through the arrangement of the high-elasticity rubber material, and the arrangement of the friction lines on the surface of the elastic bump 10 can ensure a good contact friction effect of the elastic bump 10.

Referring to fig. 1, 2 and 4, a spring 12 is disposed outside the limiting rod 7, two ends of the spring 12 are respectively fixed to the spring seat 11 and the cushion ring 9, and the cushion ring 9 can be stably mounted by the arrangement of the spring 12.

The specific implementation process of the utility model is as follows: when needs use the mould that cooperation precision is high, closely laminate between 2 and the bed die 1 through promoting, make gag lever post 7 get into within the spacing hole 3, in this process, elastic ball 4 atress deformation, carry out steady movement along 8 inner walls of spacing spout in order to promote connecting plate 5 to drive draw runner 6, can guarantee not only gag lever post 7's mobility stability, still can reduce gag lever post 7's sliding friction resistance, guarantee the high accuracy cooperation between 2 and the bed die 1 of going up and use, elasticity bump 10 and bed die 1 surface contact, in order to promote buffer ring 9 and carry out steady slip along 7 surfaces of gag lever post, under the effect of spring holder 11, spring 12 atress deformation, can release impact, to going up mould 2, bed die 1 effectively protects, avoid the problem of impact damage, be convenient for people's use.

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 mould that cooperation precision is high, includes bed die (1) and goes up mould (2), its characterized in that: spacing hole (3) have been seted up to the inside symmetry of bed die (1), the inner wall equidistance fixed mounting of spacing hole (3) has elastic ball (4), the fixed surface of elastic ball (4) installs connecting plate (5), the fixed surface equidistance fixed mounting of connecting plate (5) has draw runner (6), the fixed surface of going up mould (2) is fixed to be installed and is had gag lever post (7), spacing spout (8) have been seted up to the inside of gag lever post (7), the fixed surface of going up mould (2) installs spring holder (11), contact between spring holder (11) and gag lever post (7).

2. The mold with high matching precision according to claim 1, wherein: the elastic ball (4) is made of high-elasticity silicone grease, and the elastic ball (4) is fixedly bonded with the limiting hole (3) through an adhesive.

3. The mold with high matching precision according to claim 1, wherein: the sliding strip (6) is made of cold-rolled steel, and the sliding strip (6) is in a circular arc column shape as a whole.

4. The mold with high matching precision according to claim 1, wherein: the surface sliding of gag lever post (7) installs buffering ring (9), the surperficial equidistance fixed mounting of buffering ring (9) has elasticity bump (10).

5. The mold with high matching precision according to claim 4, wherein: the elastic salient points (10) are made of high-elasticity rubber materials, and friction grains are arranged on the surfaces of the elastic salient points (10).

6. The mold with high matching precision according to claim 1, wherein: and a spring (12) is arranged on the outer side of the limiting rod (7), and two ends of the spring (12) are respectively fixed with the spring seat (11) and the buffer ring (9).