CN116251940A

CN116251940A - Mould frame

Info

Publication number: CN116251940A
Application number: CN202310136637.2A
Authority: CN
Inventors: 曾庆华
Original assignee: Chongqing Qilong Technology Co ltd
Current assignee: Chongqing Qilong Technology Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-06-13

Abstract

The utility model relates to a die carrier, which comprises an upper die plate and a lower die plate, wherein a guide mechanism is arranged between the upper die plate and the lower die plate, and a die stamping mechanism is arranged between the upper die plate and the lower die plate and positioned at the center; an upper die pull plate connected with the upper die plate is arranged on the upper end surface of the upper die plate, a movable plate is arranged in the center of the upper die pull plate, and a gap is reserved between the upper die pull plate and the movable plate; the movable plate corresponds to the upper half part of the die mechanism. The utility model can avoid the problem of poor coaxiality, improve the coaxiality of the product during die casting and ensure the quality of the product; in addition, be provided with the copper sheathing outside the guide pillar, can reduce the wearing and tearing to the guide pillar, it is also more convenient to dismantle when changing the part.

Description

Mould frame

Technical Field

The utility model relates to the technical field of die manufacturing, in particular to a die carrier.

Background

In the mould design and manufacturing industry, a mould frame is needed to support the mould, for example, all parts of the mould are combined and fixed on a die casting machine according to a certain rule and position, and the part of the mould, which can be installed on the die casting machine to work, is called a mould frame and consists of a push-out mechanism, a guide mechanism, a pre-reset mechanism, a mould foot cushion block and a seat plate. Because most of the parts are connected in a rigid way, abrasion can be caused during die casting, and the situation of poor coaxiality occurs.

The utility model patent with the name of 'die carrier' is disclosed in CN203496225U, which comprises an upper die carrier and a lower die carrier, wherein the upper die carrier and the lower die carrier are respectively and correspondingly provided with a die core upper accommodating cavity and a die core lower accommodating cavity, the side surfaces around the die core lower accommodating cavity are provided with supporting convex blocks for hanging and supporting the die core, the lower die carrier is provided with a plurality of upward extending guide convex columns, the upper die carrier is correspondingly provided with guide through holes sleeved with the guide convex columns, two linear sliding grooves are symmetrically formed in two sides of the horizontal plane of the die core lower accommodating cavity, each linear sliding groove is internally and correspondingly provided with a sliding block which is in linear sliding fit with the linear sliding groove on the horizontal plane, the sliding block is provided with an inclined sliding groove which is arranged in an up-down inclined manner, and the upper die carrier is provided with an extending convex block which extends downwards and is in sliding fit with the inclined sliding groove on the sliding block up-down.

The utility model patent named as a die carrier is disclosed in CN211542253U, and comprises an upper die plate, a lower die plate and a connecting sheet for positioning the upper die plate and the lower die plate, wherein the two ends of the side surface of the connecting sheet are respectively provided with a first thread and a second thread, the upper die plate is provided with a first positioning hole corresponding to the first thread, the lower die plate is provided with a second positioning hole corresponding to the second thread, the first thread hole and the first positioning hole are simultaneously connected with a first bolt in a threaded manner, and the second thread door and the second positioning hole are simultaneously connected with a second bolt in a threaded manner; the lower die plate is provided with a limiting hole, the connecting piece is in threaded connection with a limiting piece, and one end of the limiting piece is in threaded fit with the limiting hole.

In the above patent, the die frames comprise a movable die plate and a static die plate, and all parts of the movable die plate are hard connected, so that the problem of poor coaxiality easily occurs during die casting of parts; in addition, during die casting, the guide mechanism moves up and down to cause abrasion to the guide post, and if the guide post is directly replaced, the cost is high and the disassembly is inconvenient.

Disclosure of Invention

The utility model aims to provide a die carrier capable of improving coaxiality during die casting.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the die carrier comprises an upper die plate and a lower die plate, wherein a guide mechanism is arranged between the upper die plate and the lower die plate, and a die stamping mechanism is arranged between the upper die plate and the lower die plate and positioned at the center; an upper die pull plate connected with the upper die plate is arranged on the upper end surface of the upper die plate, a movable plate is arranged in the center of the upper die pull plate, and a gap is reserved between the upper die pull plate and the movable plate; the movable plate corresponds to the upper half part of the die mechanism.

In the utility model, the die stamping mechanism comprises a lower die barrel vertically arranged on a lower die plate, and a cover plate A is arranged on the lower die barrel; an upper die barrel is vertically arranged on the lower end face of the upper die plate, and a cover plate B is arranged on the lower end face of the upper die barrel; the cover plate A is matched with the cover plate B, and the centers of the lower die barrel, the cover plate A, the cover plate B and the upper die barrel are on the same straight line. The centers of the lower die barrel, the cover plate A, the cover plate B and the upper die barrel are positioned on the same straight line so as to ensure that the coaxiality of the die obtained by die casting meets the requirement.

The lower die barrel is arranged in the groove A, and the lower end of the lower die barrel is positioned in the groove A; a groove B is formed in the center of the lower end face of the upper die plate, and the upper end of the upper die barrel is located in the groove B.

Further described, the movable plate is provided with a T shape, and the outer circumference of the upper half part of the movable plate extends outwards to form the T shape.

The movable plate is arranged in the through hole, and a gap is reserved between the inner wall of the through hole and the outer circle of the movable plate.

Wherein, in order to reduce the abrasion, the guiding mechanism is provided with four groups and is arranged in a matrix; the guide mechanism comprises a guide post, a post sleeve is sleeved outside the guide post, a copper sleeve is arranged between the guide post and the post sleeve, a step is arranged on the inner wall of the post sleeve, and the copper sleeve is clamped on the step; and a gap is formed between the copper sleeve and the guide post.

The upper end of the guide post is provided with a bump, a round hole A is formed in the position, corresponding to the guide post, on the upper die plate, and the bump is fixedly arranged in the round hole A.

In order to ensure reliability, a round hole B is formed in the position, corresponding to the guide post, of the lower die plate, and the lower ends of the guide post and the column sleeve are located in the round hole B.

Due to the adoption of the technical scheme, the die-casting die has the advantages of being reliable in use, convenient to install and low in cost, and the problem of poor coaxiality can be avoided, so that the coaxiality of a product in die-casting is improved, and the quality of the product is ensured; in addition, be provided with the copper sheathing outside the guide pillar, can reduce the wearing and tearing to the guide pillar, it is also more convenient to dismantle when changing the part.

Drawings

The drawings of the present utility model are described as follows:

FIG. 1 is a schematic diagram of the structure of the utility model;

FIG. 2 is a cross-sectional view of the utility model;

FIG. 3 is a cross-sectional view of the guide mechanism;

FIG. 4 is a block diagram of a lower template;

FIG. 5 is a block diagram of the upper die plate;

fig. 6 is a structural view of the upper die plate.

Description of the embodiments

The following detailed description of the utility model is provided in connection with the accompanying drawings, but the utility model is not limited to these embodiments, but is intended to cover any modifications or alternatives within the basic spirit of the utility model as defined by the appended claims.

Example 1: as shown in fig. 1, 2, 3, 4 or 5, a die frame comprises an upper die plate 1 and a lower die plate 2, a guide mechanism 3 is arranged between the upper die plate 1 and the lower die plate 2, and a die mechanism 4 is arranged between the upper die plate 1 and the lower die plate 2 and is positioned at the center; an upper die pull plate 5 connected with the upper die plate is arranged on the upper end surface of the upper die plate 1, a movable plate 6 is arranged on the upper die pull plate 5, and a gap is reserved between the upper die pull plate 5 and the movable plate 6; the movable plate 6 corresponds to the upper half of the die mechanism 4.

Further describing, in the present utility model, the die mechanism 4 includes a lower die barrel 401 vertically provided on the lower die plate 2, and a cover plate a403 is provided on the lower die barrel 401; an upper die barrel 404 is vertically arranged on the lower end surface of the upper die plate 1, and a cover plate B406 is arranged on the lower end surface of the upper die barrel 404; the cover plate A403 is matched with the cover plate B406, and the centers of the lower die barrel 401, the cover plate A403, the cover plate B406 and the upper die barrel 404 are on the same straight line.

Further describing, a groove A402 is arranged at the center of the upper end surface of the lower die plate 2, and the lower end of the lower die barrel 401 is positioned in the groove A402; a groove B405 is provided at the center of the lower end surface of the upper die plate 1, and the upper end of the upper die barrel 404 is located in the groove B405.

Further describing, the movable plate 6 is provided with a T shape, and the outer circumference of the upper half of the movable plate 6 extends outwards to form the T shape.

Further described, a stepped through hole 501 is provided at the center of the upper die drawing plate 5, a movable plate 6 is provided in the through hole 501, and a gap is provided between the inner wall of the through hole 501 and the outer circumference of the movable plate 6.

Further described, the guide means 3 are provided with four groups and are arranged in a matrix; the guide mechanism 3 comprises a guide post 301, a post sleeve 303 is sleeved outside the guide post 301, a copper sleeve 302 is arranged between the guide post 301 and the post sleeve 303, a step is arranged on the inner wall of the post sleeve 302, and the copper sleeve 302 is clamped on the step; and a gap is formed between the copper bush 302 and the guide post 301.

Further described, the upper end of the guide post 301 is provided with a bump 3011, a round hole a 101 is provided on the upper template 1 at a position corresponding to the guide post 301, and the bump 1 is fixedly provided in the round hole a 101.

Further describing, a circular hole B201 is provided on the lower die plate 2 at a position corresponding to the guide post 301, and lower ends of the guide post 301 and the post sleeve 303 are located in the circular hole B201.

In the utility model, a die carrier is firstly arranged on a hydraulic punch press, and then a stamping die is arranged on a die stamping mechanism 4 on the die carrier; when the die-casting machine works, a part to be processed is placed in a stamping die, then a hydraulic punch is started, the hydraulic punch drives an upper die plate 1 to move downwards, the upper die plate 1 drives an upper die barrel 404 to move downwards, the upper die barrel 404 drives the stamping die to press downwards to die-cast a product, and the product can be taken out after die-casting is completed; when deviation occurs between the upper die barrel 404 and the lower die barrel 401 or when deviation occurs under the influence of vibration of a hydraulic punch, because a gap is formed between the inner wall of the upper die pull plate 5 and the outer circle of the movable plate 6, the gap can automatically adjust the upper die plate 1, the upper die barrel 404 and the cover plate B406 during die casting, so that the center of the upper die barrel, the lower die barrel 401 and the cover plate A403 are in the same straight line, and the coaxiality of a product obtained through die casting is ensured to meet the requirement.

The guide post 301 moves up and down along with the upper die plate 1 under the action of the hydraulic punch, and the copper sleeve 302 arranged between the guide post 301 and the column sleeve 303 can reduce abrasion of the guide post 301 in the process of moving up and down. When the copper bush 302 is seriously worn, the copper bush 302 can be directly replaced, so that the copper bush 302 can be conveniently replaced, and the cost is saved.

Claims

1. The die carrier comprises an upper die plate (1) and a lower die plate (2), and is characterized in that: a guide mechanism (3) is arranged between the upper die plate (1) and the lower die plate (2), and a die stamping mechanism (4) is arranged between the upper die plate (1) and the lower die plate (2) and positioned at the center; an upper die pulling plate (5) connected with the upper die plate is arranged on the upper end surface of the upper die plate (1), a movable plate (6) is arranged in the center of the upper die pulling plate (5), and a gap is reserved between the upper die pulling plate (5) and the movable plate (6); the movable plate (6) corresponds to the upper half part of the die mechanism (4).

2. The scaffold of claim 1, wherein: the die mechanism (4) comprises a lower die barrel (401) vertically arranged on the lower die plate (2), and a cover plate A (403) is arranged on the lower die barrel (401); an upper die barrel (404) is vertically arranged on the lower end surface of the upper die plate (1), and a cover plate B (406) is arranged on the lower end surface of the upper die barrel (404); the cover plate A (403) is matched with the cover plate B (406), and the centers of the lower die barrel (401), the cover plate A (403), the cover plate B (406) and the upper die barrel (404) are on the same straight line.

3. The scaffold of claim 2, wherein: a groove A (402) is formed in the center of the upper end face of the lower die plate (2), and the lower end of the lower die barrel (401) is positioned in the groove A (402); a groove B (405) is arranged in the center of the lower end face of the upper die plate (1), and the upper end of the upper die barrel (404) is positioned in the groove B (405).

4. A scaffold according to claim 3, wherein: the movable plate (6) is arranged in a T shape, and the outer circumference of the upper half part of the movable plate (6) extends outwards to form the T shape.

5. The scaffold of claim 4, wherein: a step-shaped through hole (501) is formed in the center of the upper die pulling plate (5), a movable plate (6) is arranged in the through hole (501), and a gap is formed between the inner wall of the through hole (501) and the outer circle of the movable plate (6).

6. The scaffold of claim 5, wherein: the guide mechanisms (3) are provided with four groups and are arranged in a matrix; the guide mechanism (3) comprises a guide post (301), a post sleeve (303) is sleeved outside the guide post (301), a copper sleeve (302) is arranged between the guide post (301) and the post sleeve (303), a step is arranged on the inner wall of the post sleeve (302), and the copper sleeve (302) is clamped on the step; and a gap is reserved between the copper sleeve (302) and the guide post (301).

7. The scaffold of claim 6, wherein: the upper end of the guide post (301) is provided with a bump (3011), a round hole A (101) is formed in the upper die plate (1) at a position corresponding to the guide post (301), and the bump (1) is fixedly arranged in the round hole A (101).

8. The scaffold of claim 7, wherein: a round hole B (201) is formed in the lower die plate (2) at a position corresponding to the guide post (301), and the lower ends of the guide post (301) and the post sleeve (303) are located in the round hole B (201).