CN203994456U - A kind of injection mould mould pin - Google Patents

Abstract

The utility model relates to an injection mold foot, the mold foot is a cuboid structure with six sides, a rectangular groove is opened on one side of the mold foot and close to the bottom surface of the mold foot; There is a shoulder; the shoulder is on the opposite side of the side where the rectangular groove is located and is connected to the bottom surface of the mold foot. The utility model can realize the installation and fixation of the movable mold of the straight body mold and the injection machine by improving the structure of the mold foot, and at the same time reduce the overall structural size of the mold frame under the premise of ensuring the realization of the ejection movement, and can significantly reduce the mold cost and overcome the Difficulty in selecting injection machines, especially suitable for injection molding of large-scale products, has a good application prospect and practical significance.

Description

An injection mold foot

technical field

The utility model relates to an injection mold foot, which belongs to the technical field of injection mold manufacturing.

Background technique

With the rapid development of the plastic industry, the demand for plastic molds has increased dramatically. In order to meet the needs of plastic products with increasingly diverse sizes, increasingly complex shapes and beautiful surface decoration, plastic molds are developing in the direction of diversification, complexity, precision and multi-cavity.

Injection molding is a main molding process and method of plastic parts. It is to inject plastic melt into a closed mold cavity at high speed under high pressure, and obtain a shape that is exactly the same as the mold cavity after pressure maintaining, cooling and shaping. plastic products. Injection mold is an important process equipment in plastic injection production. Its structure is generally composed of six major systems, which form the fixed mold and moving mold parts of the mold respectively. When forming larger products, due to the large span between the two mold feet, the male template may be bent and deformed under high injection pressure, resulting in molding defects. To solve this problem, generally add Support parts such as mold feet and support columns. The mold foot is generally installed under the movable template (or support plate), the movable mold base plate is installed under the mold foot, and the upper and lower ejection plates are respectively installed on the movable mold base plate, the mold foot, the movable template (or support plate) and the movable mold The seat plate forms the ejection movement space of the ejection plate. After the mold is assembled, the movable mold part is installed and fixed on the moving part of the injection machine to realize the mold opening and closing movement. For the I-shaped mold, the movable mold seat plate is generally fixed on the injection machine by pressing iron to realize the installation and fixation of the movable mold and the injection machine, but this virtually increases the size of the mold base, resulting in increased manufacturing costs, especially for large-scale Mold, due to the increase in the size of the mold base, it even makes the selection of the injection machine difficult. At the same time, the traditional mold foot and the movable mold seat plate are in a split form, which are fixed by screws after assembly to form a space for ejection movement, which also increases the cost of mold manufacturing and causes production waste.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art and to provide a solution to the conflict between the installation requirements of the above-mentioned mold on the injection machine and the space requirements for ejection and the requirement to reduce the mold size as much as possible in order to reduce the cost. The mold foot structure is improved, so that it can meet the installation of the mold on the injection machine, and can ensure the realization of the ejection movement, and greatly reduce the overall structural size of the mold base. An injection mold is proposed.

In order to achieve the above purpose, the technical solution adopted by the utility model is: an injection mold foot, the mold foot is a cuboid structure with six sides, and a rectangular shape is opened on one side of the mold foot and near the bottom surface of the mold foot. A groove; a shoulder is also provided on the mold foot; the shoulder is on the opposite side of the side where the rectangular groove is located and is connected to the bottom surface of the mold foot.

As a further improvement of the utility model, the thickness of the shoulder is 25-40mm.

Due to the application of the above-mentioned technical solution, the utility model has the following advantages compared with the prior art:

An injection mold foot according to the utility model scheme, through the structure improvement of the mold foot, can realize the installation and fixation of the movable mold of the straight body mold and the injection machine, and at the same time reduce the overall structural size of the mold frame under the premise of ensuring the realization of the ejection movement , At the same time, it can significantly reduce the cost of the mold, overcome the difficulty of selecting the injection machine, especially suitable for the injection molding of large-scale products, and has a good application prospect and practical significance.

Description of drawings

Below in conjunction with accompanying drawing, technical scheme of the utility model is further described:

Accompanying drawing 1 is the structural diagram of the injection mold foot of the utility model;

Accompanying drawing 2 is the installation structural diagram of the injection mold foot of the present utility model;

Among them: 1. Moving formwork; 2. Die foot; 3. Rectangular groove; 4. Shoulder; 5. Bottom surface; 6. Screw; 7. Support column; , Reset pin.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

As shown in accompanying drawing 1, it is a kind of injection molding mold foot described in the utility model, and the mold foot 2 is a cuboid structure with six sides, and a rectangular groove 3 is opened on one side of the mold foot 2 and near the bottom surface of the mold foot; A shoulder 4 is also provided on the mold foot 2; the shoulder 4 is connected to the bottom surface 5 of the mold foot on the opposite side of the side where the rectangular groove 3 is located.

As shown in accompanying drawing 2, the die foot 2 is connected and fixed with the movable template 1 by screws 6; a number of support columns 7 are arranged under the movable template 1 to increase the supporting area of the movable template 1, and the upper and lower ejection plates 8 and 9 are connected by screws. Carry out connection and fixation, and reset pin 10 is installed on the upper ejector plate 8 to eject and reset.

The mold foot of this structure is designed as an integral structure with a shoulder 4 inside the movable mold seat plate and mold foot in the prior art, and the mold foot 2 is fixed in the movement of the injection machine by clamping the pressing block into the rectangular groove 3. Side, to realize the mold opening and closing movement of the movable mold part, so as to realize the installation and fixation of the straight body mold and the injection machine, and at the same time, it can ensure the ejection movement space and the ejection movement stability, and can reduce the overall structural size of the mold base ; The thickness of the shoulder 4 should ensure the strength requirement, generally around 30mm.

The above are only specific application examples of the utility model, and do not constitute any limitation to the protection scope of the utility model. All technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the utility model.

Claims (2)

1. An injection molding mold foot, the mold foot is a cuboid structure with six sides, characterized in that: a rectangular groove is opened on one side of the mold foot and near the bottom surface of the mold foot; on the mold foot A shoulder is also provided; the shoulder is on the opposite side of the side where the rectangular groove is located and is connected to the bottom surface of the mold foot. 2. An injection mold foot according to claim 1, characterized in that: the thickness of the shoulder is 25-40mm.