WO2022000907A1

WO2022000907A1 - Injection mold capable of quickly cooling

Info

Publication number: WO2022000907A1
Application number: PCT/CN2020/126943
Authority: WO
Inventors: 雷凤
Original assignee: 昆山市新腾胜精密模具有限公司
Priority date: 2020-07-02
Filing date: 2020-11-06
Publication date: 2022-01-06
Also published as: CN213564190U

Abstract

An injection mold capable of quickly cooling, comprising a base plate (1). A water tank (2) is fixedly connected to the top of the base plate (1); a lower mold (3) is fixedly connected to the bottom of an inner cavity of the water tank (2); columns (4) are fixedly connected to both sides of the top of the base plate (1); a horizontal plate (5) is fixedly connected to the top of the column (4); a cylinder (6) is fixedly connected to the bottom of the horizontal plate (5); an upper mold (7) is fixedly connected to the bottom of the cylinder (6); and air ducts (8) are slidingly connected to both sides of a surface of the horizontal plate (5). A coolant in the inner cavity of the water tank (2) cools down the lower mold (3), and a ventilation fan (9) in the inner cavity of the air ducts (8) at the top of the upper mold (7) dissipates heat from the upper mold (7), thus accelerating the cooling of the upper mold (7) and improving the production efficiency. Meanwhile, the air ducts (8) rise with the upper mold (7) when the upper mold (7) is opened and rises and are limited by a movable hole (15), which solves the problem in which raw materials need to be melted at high temperature when the injection mold is used and as such, the cooling time after injection is long, thus prolonging the production cycle and reducing the production efficiency.

Description

A fast cooling injection mold

technical field

The utility model relates to the technical field of injection moulds, in particular to a rapid cooling injection mould.

Background technique

Injection mold is a tool for producing plastic products, and it is also a tool for imparting complete structure and precise dimensions to plastic products. Injection molding is a processing method used in mass production of certain parts with complex shapes. The injection molding machine injects high pressure into the mold cavity, and after cooling and solidifying, a molded product is obtained. The injection mold is divided into two types: thermosetting plastic mold, automobile mold and thermoplastic plastic mold according to the molding characteristics. Plastic molds, thermoforming molds, hot pressing molds, injection molds, etc. Among them, hot pressing molds can be divided into three types: overflow type, semi-overflow type, and non-overflow type by overflow method. Injection mold can be divided into cold type by gating system. There are two types of runner molds and hot runner molds, which can be divided into mobile and fixed types according to the way of loading and unloading. During the use of injection molds, since the raw materials need to be melted at high temperature, the cooling time after injection is longer, so it is prolonged. production cycle, reducing production efficiency.

Utility model content

The purpose of this utility model is to provide a fast-cooling injection mold, which has the advantages of fast cooling, and solves the problem that the injection mold needs to be melted at high temperature during the use process, so the cooling time after injection is longer, so the production is prolonged. cycle, reducing the problem of production efficiency.

In order to achieve the above purpose, the present invention provides the following technical solutions: a fast cooling injection mold, comprising a bottom plate, the top of the bottom plate is fixedly connected with a water tank, the bottom of the inner cavity of the water tank is fixedly connected with a lower mold, the Both sides of the top of the bottom plate are fixedly connected with uprights, the top of the uprights is fixedly connected with a horizontal plate, the bottom of the horizontal plate is fixedly connected with a cylinder, the bottom of the cylinder is fixedly connected with an upper die, and the surface of the horizontal plate is fixedly connected with an upper die. Both sides are slidably connected with air ducts, the inner cavity of the air duct is fixedly connected with a ventilation fan, the bottoms of both sides of the air duct are fixedly connected with fixing rods, and the bottoms of the fixing rods are fixedly connected with the upper die.

Preferably, positioning grooves are provided on both sides of the bottom of the upper mold, and positioning blocks are fixedly connected to both sides of the top of the lower mold. The positioning blocks extend to the inner cavity of the positioning groove and are connected with the inner cavity of the positioning groove Cavity sliding connection.

Preferably, two sides of the upper die are fixedly connected with linkage rods, and the other side of the linkage rod is fixedly connected with a limit sliding sleeve, and the limit sliding sleeve is slidably connected with the column.

Preferably, movable holes are provided on both sides of the top of the horizontal plate, and the air duct is slidably connected to the inner cavity of the movable hole.

Preferably, sliding grooves are provided on both sides of the air duct, a sliding block is slidably connected to the inner cavity of the sliding groove, and one end of the sliding block far from the inner cavity of the sliding groove is fixedly connected to the inner wall of the movable hole.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

1. The utility model cools the lower mold through the cooling liquid in the inner cavity of the water tank, and the ventilation fan in the inner cavity of the air duct at the top of the upper mold dissipates heat to the upper mold, thereby accelerating the cooling of the upper mold and improving the production efficiency. The air duct rises with the upper mold and is limited by the movable hole, which solves the problem that the injection mold needs to be melted at high temperature during the use process, so the cooling time after injection is long, thus prolonging the production cycle and reducing production. question of efficiency.

2. The utility model has the effect of limiting the upper die by setting the linkage rod and the limit sliding sleeve, and has the effect of limiting the position of the air duct by setting the sliding groove and the sliding block. By setting the positioning groove and the positioning block , which has the effect of limiting the lower die and the upper die.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the sectional structure schematic diagram of the air duct of the utility model;

FIG. 3 is a schematic top view structure diagram of the horizontal plate of the present invention.

In the picture: 1. Bottom plate; 2. Water tank; 3. Lower die; 4. Upright column; 5. Horizontal plate; 6. Air cylinder; 7. Upper die; 8. Air duct; 9. Ventilation fan; 10. Fixed rod; 11. Positioning groove; 12, positioning block; 13, linkage rod; 14, limit sliding sleeve; 15, movable hole; 16, chute; 17, slider.

detailed description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The bottom plate 1, the water tank 2, the lower mold 3, the vertical column 4, the horizontal plate 5, the cylinder 6, the upper mold 7, the air duct 8, the ventilation fan 9, the fixing rod 10, the positioning groove 11, the positioning block 12, the linkage rod 13 of the utility model The components of the limit sliding sleeve 14, the movable hole 15, the chute 16 and the sliding block 17 are all common standard parts or components known to those skilled in the art, and their structures and principles are all known by the technical manuals or through the technical manual. Known by conventional experimental methods.

Please refer to Figure 1-3, an injection mold that can be rapidly cooled, including a bottom plate 1, a water tank 2 is fixedly connected to the top of the bottom plate 1, a lower mold 3 is fixedly connected to the bottom of the inner cavity of the water tank 2, and both sides of the top of the bottom plate 1 are fixed A vertical column 4 is fixedly connected, a horizontal plate 5 is fixedly connected to the top of the vertical column 4, a cylinder 6 is fixedly connected to the bottom of the horizontal plate 5, an upper die 7 is fixedly connected to the bottom of the cylinder 6, and both sides of the bottom of the upper die 7 are provided with positioning Slot 11, both sides of the top of the lower die 3 are fixedly connected with a positioning block 12, the positioning block 12 extends to the inner cavity of the positioning slot 11, and is slidably connected with the inner cavity of the positioning slot 11, and both sides of the upper die 7 are fixedly connected There is a linkage rod 13, the other side of the linkage rod 13 is fixedly connected with a limit sliding sleeve 14, the limit sliding sleeve 14 is slidably connected with the column 4, and both sides of the surface of the horizontal plate 5 are slidably connected with an air duct 8, and the top of the horizontal plate 5 is slidably connected. There are movable holes 15 on both sides, the air duct 8 is slidably connected with the inner cavity of the movable hole 15, and both sides of the air duct 8 are provided with sliding grooves 16, and the inner cavity of the sliding groove 16 is slidably connected with a slider 17, and the sliding One end of the block 17 away from the inner cavity of the chute 16 is fixedly connected with the inner wall of the movable hole 15, the inner cavity of the air duct 8 is fixedly connected with the ventilation fan 9, and the bottoms of both sides of the air duct 8 are fixedly connected with a fixed rod 10. The bottom is fixedly connected with the upper mold 7, the lower mold 3 is cooled by the cooling liquid in the inner cavity of the water tank 2, and the ventilation fan 9 in the inner cavity of the air duct 8 at the top of the upper mold 7 dissipates heat to the upper mold 7, thereby accelerating the cooling of the upper mold 7, The production efficiency is improved. At the same time, when the upper mold 7 opens and rises, the air duct 8 rises with the upper mold 7, and is limited by the movable hole 15, which solves the problem that the injection mold needs to be melted at high temperature during the use of the injection mold. The post-cooling time is longer, thus prolonging the production cycle and reducing the problem of production efficiency.

When in use, the above-mentioned electrical components are activated by the peripheral controller, the lower mold 3 is cooled by the cooling liquid in the inner cavity of the water tank 2, and the ventilation fan 9 in the inner cavity of the air duct 8 at the top of the upper mold 7 dissipates heat to the upper mold 7, thereby accelerating the upper mold 7. The cooling of the mold 7 improves the production efficiency. At the same time, when the upper mold 7 opens and rises, the air duct 8 follows the upper mold 7 and rises together, and is limited by the movable hole 15, which solves the problem that the injection mold needs to be melted at high temperature during the use process. , so the cooling time after injection is longer, thus prolonging the production cycle and reducing the problem of production efficiency.

The standard parts used in this application document can be purchased from the market, and can be customized according to the description in the description and the attached drawings. The specific connection method of each part adopts the mature bolts, rivets, welding, etc. in the prior art. Conventional means, machinery, parts and equipment all use conventional models in the prior art, the control method is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming by those skilled in the art, which belongs to the well-known in the art. Common sense, and this application is mainly used to protect mechanical devices, so this application will not explain the control method and circuit connection in detail.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims

A rapid cooling injection mold, comprising a bottom plate (1), characterized in that a water tank (2) is fixedly connected to the top of the bottom plate (1), and a lower mold is fixedly connected to the bottom of the inner cavity of the water tank (2) (3), both sides of the top of the bottom plate (1) are fixedly connected with uprights (4), the top of the uprights (4) is fixedly connected with a horizontal plate (5), and the bottom of the horizontal plate (5) is fixed A cylinder (6) is connected, the bottom of the cylinder (6) is fixedly connected with an upper die (7), and both sides of the surface of the horizontal plate (5) are slidably connected with an air duct (8), and the air duct ( The inner cavity of 8) is fixedly connected with a ventilation fan (9), the bottoms of both sides of the air duct (8) are fixedly connected with a fixing rod (10), and the bottom of the fixing rod (10) is fixed with the upper mold (7) connect.
A fast cooling injection mold according to claim 1, characterized in that: positioning grooves (11) are provided on both sides of the bottom of the upper mold (7), and two sides of the top of the lower mold (3) are provided with positioning grooves (11). Both sides are fixedly connected with a positioning block (12), the positioning block (12) extends to the inner cavity of the positioning groove (11), and is slidably connected with the inner cavity of the positioning groove (11).
A fast cooling injection mold according to claim 1, characterized in that: linkage rods (13) are fixedly connected to both sides of the upper mold (7), and the other side of the linkage rod (13) is fixedly connected. The side is fixedly connected with a limit sliding sleeve (14), and the limit sliding sleeve (14) is slidably connected with the upright column (4).
A rapid cooling injection mold according to claim 1, characterized in that: movable holes (15) are provided on both sides of the top of the horizontal plate (5), and the air duct (8) is connected to the movable hole. The inner cavity of (15) is slidably connected.
A rapid cooling injection mold according to claim 1, characterized in that: sliding grooves (16) are provided on both sides of the air duct (8), and the inner cavity of the sliding groove (16) slides A sliding block (17) is connected, and one end of the sliding block (17) away from the inner cavity of the chute (16) is fixedly connected with the inner wall of the movable hole (15).