CN212266403U

CN212266403U - Guide post structure for mold

Info

Publication number: CN212266403U
Application number: CN202020260149.4U
Authority: CN
Inventors: 黄良海; 余建明; 欧阳玖
Original assignee: Yiwu Liyang Mould Co Ltd
Current assignee: Yiwu Liyang Mould Co Ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2021-01-01
Anticipated expiration: 2030-03-05

Abstract

The utility model discloses a guide post structure for mould, including the mould, the mounting hole has been seted up on the mould, the inside of mounting hole is inlayed and is equipped with and rolls the round pin, and rolls the round pin endotheca and be equipped with the roller cover, roll the round pin and go up the outer wall from a left side to the right side and seted up first step and second step, and roll the inside column hollow structure that is of round pin, embedded step has been seted up to the roller cover inner wall. In the utility model, the position of the rolling pin can be fixed through the threaded connection between the inner hexagon bolt and the threaded hole in the die, the area attached to the surface of the die is increased due to the existence of the first step, and the possibility of shaking of the rolling pin in the axial direction due to the difference between the installation hole and the rolling pin is reduced; the roller sleeve sleeved outside the roller pin is in transition fit with the roller pin and rotates relative to the roller pin, so that when the roller sleeve slides relative to an external mechanism, the friction force applied to the roller sleeve is small, and the roller sleeve is convenient to roll.

Description

Guide post structure for mold

Technical Field

The utility model relates to the technical field of mold, especially, relate to a guide post structure for mould.

Background

Dies, various moulds and tools for obtaining the desired products by injection, blow, extrusion, die-casting or forging, smelting, stamping, etc. in industrial production, in short, a die is a tool for making shaped articles, which tool is composed of various parts, and different dies are composed of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material.

When the existing die is used for split displacement in the production and application process, the existing die is mostly limited by a guide post structure, the existing guide post is mostly of a pin shaft structure, and large friction force exists when the existing guide post is displaced in the X/Y/Z axis direction in the motion process, so that the accuracy of the die is reduced due to the abrasion of the pin shaft in the past, and adverse effects are caused on products.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the guide post structure for the die is provided for solving the problems that most guide posts of the existing die are fixed and easy to wear, and the guide post structure has adverse effects on products after long-term use.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a guide post structure for mould, includes the mould, has seted up the mounting hole on the mould, the inside of mounting hole is inlayed and is equipped with and rolls the round pin, and rolls the round pin endotheca and overlap and be equipped with the roller, first step and second step have been seted up from left to right to the outer wall on the round pin, and roll the inside column hollow structure that is of round pin, embedded step has been seted up to the roller inner wall.

As a further description of the above technical solution:

the die is characterized in that a threaded hole is formed in the die and fixedly connected with the rolling pin through an inner hexagon bolt.

As a further description of the above technical solution:

the diameter of the mounting hole is equal to the inner diameter of the first step, and the mounting hole is in transition fit with the rolling pin.

As a further description of the above technical solution:

the distance between one end of the embedded step in the roller sleeve, which is close to the die, and the die is smaller than the distance between the first step and the second step on the roller pin.

As a further description of the above technical solution:

the inner diameter of the embedded step of the roller is larger than the outer diameter of the first step, the embedded step of the roller is in clearance fit with the first step, the outer diameter of the embedded step of the roller is larger than the outer diameter of the second step, and the embedded step of the roller is in clearance fit with the second step.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, establish the roller sleeve cover on rolling the round pin, will roll the round pin afterwards and peg graft in the die holding hole near the one end of first step, carry out preliminary fixed, hexagonal socket head cap screw pegs graft in rolling the round pin afterwards, threaded connection through hexagonal socket head cap screw and the inside screw hole of mould, make the position of rolling the round pin to fix, because the existence of first step, increase the area with the laminating of mould surface, reduced because the mounting hole with roll to have the worker difference between the round pin, the round pin that leads to takes place the possibility of rocking in the axial.

2. The utility model discloses in, the cover is established and is rolled outside the round pin and roll transition fit between the round pin, rotates relatively each other to make roll the cover when carrying out relative slip between the mechanism with outside, the frictional force that receives is less, be convenient for rolling go on, through roll the inboard embedded step of cover and roll interact between the second step on the round pin, prevented that the roll from rolling dropping on the round pin, it is spacing to carry out the axial to the position of roll, promote structural stability.

Drawings

Figure 1 shows a longitudinal section provided according to an embodiment of the invention;

figure 2 shows a longitudinal cross-sectional view of a roll pin provided in accordance with an embodiment of the present invention;

figure 3 shows a longitudinal section through a roller provided according to an embodiment of the invention;

illustration of the drawings:

1. a mold; 101. mounting holes; 2. rolling a pin; 201. a first step; 202. a second step; 3. rolling; 301. embedding a step; 4. a hexagon socket head cap screw; 5. a threaded bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a guide post structure for mould, which comprises a die 1, mounting hole 101 has been seted up on the mould 1, the inside of mounting hole 101 is inlayed and is equipped with and rolls round pin 2, and roll and be equipped with on the round pin 2 and roll cover 3, roll round pin 2 and roll and rotate relatively between the cover 3, roll and go up the outer wall from a left side to the right side on the round pin 2 and seted up first step 201 and second step 202, the internal diameter of first step 201 is less than the internal diameter of second step 202, and roll 2 inside cylindrical hollow structure that are of round pin, hollow structure is stepped structure, be convenient for and interior hex bolts 4 between spacing, roll 3 inner walls of cover and seted up embedded step 301.

Specifically, as shown in fig. 1, a threaded hole 5 is formed in the die 1, the threaded hole 5 is fixedly connected with the roll pin 2 through a hexagon socket head cap screw 4, the diameter of the mounting hole 101 is equal to the inner diameter of the first step 201, the mounting hole 101 is in transition fit with the roll pin 2, and the end surface of the first step 201 is convenient for keeping the axial stability of the roll pin 2.

Specifically, as shown in fig. 1-3, the distance between the end of the embedded step 301 of the roller 3 close to the mold 1 and the mold 1 is smaller than the distance between the first step 201 and the second step 202 of the roller pin 2, so that the axial spacing of the roller 3 is ensured, and the axial displacement of the roller pin 2 can be achieved to a certain extent, the inner diameter of the embedded step 301 of the roller 3 is larger than the outer diameter of the first step 201, the inner diameter of the embedded step 301 of the roller 3 is in clearance fit with the outer diameter of the second step 202, and the outer diameter of the embedded step 301 of the roller 3 is larger than the outer diameter of the second step 202, and the.

The working principle is as follows: when the device is used, the rolling sleeve 3 is sleeved on the rolling pin 2, one end of the rolling pin 2 close to the first step 201 is inserted into the mounting hole 101 of the die 1 for preliminary fixing, the inner hexagonal bolt 4 is inserted into the rolling pin 2, and the position of the rolling pin 2 is fixed through the threaded connection between the inner hexagonal bolt 4 and the threaded hole 5 in the die 1; the cover is established and is rolled 2 outside roller 3 and roll transition fit between the round pin 2, relative rotation each other, thereby make roller 3 carry out the relative slip between the mechanism with outside, the frictional force that receives is less, be convenient for rolling going on, through the roller 3 inboard embedded step 301 and roll the second step 202 on the round pin 2 between interact, prevented that roller 3 from rolling and selling 2 on dropping, carry out the axial spacing to roller 3's position, promote structural stability.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a guide post structure for mould, includes mould (1), has seted up mounting hole (101) on mould (1), its characterized in that, the inside of mounting hole (101) is inlayed and is equipped with and rolls round pin (2), and rolls and overlap and be equipped with and roll cover (3) on round pin (2), roll round pin (2) and go up the outer wall from left to right and seted up first step (201) and second step (202), and roll round pin (2) inside and be column hollow structure, roll set (3) inner wall and seted up embedded step (301).

2. The guide post structure for the die is characterized in that a threaded hole (5) is formed in the die (1), and the threaded hole (5) is fixedly connected with the rolling pin (2) through a hexagon socket head cap screw (4).

3. A guide post structure for a mold according to claim 1, wherein the diameter of the mounting hole (101) is equal to the inner diameter of the first step (201), and the mounting hole (101) is in transition fit with the roll pin (2).

4. The guide post structure for the die as claimed in claim 1, wherein the distance between the end of the embedded step (301) of the roller (3) close to the die (1) and the die (1) is smaller than the distance between the first step (201) and the second step (202) of the roller pin (2).

5. The guide post structure for the mold as claimed in claim 4, wherein the inner diameter of the inner step (301) of the roller (3) is larger than the outer diameter of the first step (201) with a clearance fit therebetween, and the outer diameter of the inner step (301) of the roller (3) is larger than the outer diameter of the second step (202) with a clearance fit therebetween.