CN223314419U - Plastic injection mold - Google Patents

Abstract

The utility model discloses a plastic injection mold, which relates to the field of injection molding and comprises a movable mold and a fixed mold, wherein an injection molding cavity is formed in one end of the fixed mold, which is close to the movable mold, a layer of heat conducting plate is wrapped on the bottom surface of the injection molding cavity, a water inlet and a water outlet are respectively formed in two sides of the bottom of the fixed mold, one ends of the water inlet and the water outlet extend into the fixed mold and are connected with main water pipes, a water diversion pipe is connected between the two main water pipes, the water diversion pipe is in contact with the heat conducting plate, and a water storage tank is connected to the other ends of the water inlet and the water outlet. The bottom surface of the injection cavity is provided with the heat conducting plate, and the heat generated by the injection cavity is taken away through the plurality of water diversion pipes which are arranged to be in contact with the heat conducting plate, so that the purpose of cooling the products in the injection cavity is realized, the plurality of water diversion pipes are used for simultaneously feeding water and draining water, and the heat conducted by the bottom of the heat conducting plate is taken away together, so that the cooling effect is greatly improved.

Description

Plastic injection mold

Technical Field

The utility model relates to the field of injection molding, in particular to a plastic injection mold.

Background

The injection molding is a tool for producing plastic products, and also a tool for endowing the plastic products with complete structures and accurate dimensions, and is a processing method used when producing parts with complex shapes in batches, specifically, the injection molding is to inject heated and melted plastic into a mold cavity at high pressure by an injection molding machine, and obtain a formed product after cooling and solidifying, and a cooling device is arranged on the mold for cooling the mold.

At present, heat is dissipated through water cooling, the mold is cooled by water, the used water is changed into warm water, and the warm water can be reused after long-time cooling, but the process is longer, so that the injection mold cooling device is provided.

Disclosure of utility model

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a plastic injection mold to solve the above-mentioned problems in the prior art.

The utility model provides a technical scheme that the plastic injection mold comprises a movable mold and a fixed mold, wherein an injection cavity is formed in one end, close to the movable mold, of the fixed mold, a layer of heat conducting plate is wrapped on the bottom surface of the injection cavity, a water inlet and a water outlet are respectively formed in two sides of the bottom of the fixed mold, one ends of the water inlet and the water outlet extend into the fixed mold and are connected with main water pipes, a water diversion pipe is connected between the two main water pipes, the water diversion pipe is in contact with the heat conducting plate, and a water storage tank is connected to the other ends of the water inlet and the water outlet.

Preferably, the refrigerator is arranged in the middle of the front and rear of the water storage tank, the liquid inlet and the liquid outlet are respectively arranged on two sides of the water storage tank, the liquid inlet is connected with the water inlet, the liquid outlet is connected with the water outlet, and a circulating pump is arranged between the water pipes connected with the water outlet and the liquid outlet.

Preferably, a plurality of baffle plates are arranged in the water storage tank in an up-down staggered mode, and a space between the baffle plates and the water storage tank forms an S-shaped channel.

Preferably, the number of the water diversion pipes is multiple, and the water diversion pipes are in parallel contact.

Preferably, the water diversion pipes are made of copper materials, the cross sections of the water diversion pipes are rectangular structures, and two adjacent water diversion pipes are in contact with each other.

Preferably, brackets are arranged at two ends of the main water pipe.

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

1. The bottom surface of the injection cavity is provided with the heat conducting plate, and the heat generated by the injection cavity is taken away through the plurality of water diversion pipes which are arranged to be in contact with the heat conducting plate, so that the purpose of cooling the products in the injection cavity is realized, the plurality of water diversion pipes are used for simultaneously feeding water and draining water, and the heat conducted by the bottom of the heat conducting plate is taken away together, so that the cooling effect is greatly improved.

2. The utility model realizes cold water recycling by using the circulating pump, the water storage tank and the refrigerator, the used water enters the water storage tank through the water outlet and the liquid inlet, and is cooled and refrigerated by using the refrigerator, and then enters the main water pipe and the water diversion pipe through the liquid outlet and the water inlet for reuse, thereby not only rapidly reducing the water utilization, but also reducing the waste of water resources.

Drawings

Fig. 1 is a schematic view of a cooling structure mounting structure of the present utility model.

Fig. 2 is a schematic view of a water circulation connection structure of the present utility model.

The reference sign is 1, the movable mould; 2, a fixed mold, 3, an injection molding cavity, 4, a heat conducting plate, 5, a water inlet, 6, a bracket, 7, a main water pipe, 8, a water diversion pipe, 9, a water outlet, 10, a water storage tank, 11, a refrigerator, 12, a liquid inlet, 13, a liquid outlet, 14, a partition plate, 15 and a circulating pump.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

The utility model provides a plastic injection mold, which is shown in fig. 1-2, and comprises a movable mold 1 and a fixed mold 2, wherein an injection cavity 3 is arranged at one end of the fixed mold 2, which is close to the movable mold 1, a layer of heat conducting plate 4 is wrapped on the bottom surface of the injection cavity 3, a water inlet 5 and a water outlet 9 are respectively arranged at two sides of the bottom of the fixed mold 2, one ends of the water inlet 5 and the water outlet 9 extend into the fixed mold 2 and are connected with a main water pipe 7, a water diversion pipe 8 is connected between the two main water pipes 7, the water diversion pipe 8 is contacted with the heat conducting plate 4, and the other ends of the water inlet 5 and the water outlet 9 are connected with a water storage tank 10.

The bottom surface at the chamber of moulding plastics 3 is provided with heat-conducting plate 4 to contact with heat-conducting plate 4 through a plurality of shunt tubes 8 that set up, thereby take away the heat that the chamber of moulding plastics 3 produced, realize the cooling purpose to the inside product of chamber of moulding plastics 3, and a plurality of shunt tubes 8 intake the drainage simultaneously, take away the heat of heat-conducting plate 4 bottom conduction together, improved refrigerated effect greatly.

Further, the refrigerator 11 is arranged in the middle of the front and rear of the water storage tank 10, the liquid inlet 12 and the liquid outlet 13 are respectively arranged on two sides of the water storage tank 10, the liquid inlet 12 is connected with the water inlet 5, the liquid outlet 13 is connected with the water outlet 9, and the circulating pump 15 is arranged between the water pipes connected with the liquid outlet 13 and the water outlet 9.

The circulation pump 15, the water storage tank 10 and the refrigerator 11 are utilized to realize cold water circulation, water after use enters the water storage tank 10 through the water outlet 9 and the liquid inlet 12, the refrigerator 11 is utilized to cool and refrigerate, and then enters the main water pipe 7 and the water diversion pipe 8 through the liquid outlet 13 and the water inlet 5 for reuse, so that water can be rapidly utilized in a reduced manner, and the waste of water resources is reduced.

Further, a plurality of partitions 14 are arranged in the water storage tank 10 in a staggered manner, and a space between the partitions 14 and the water storage tank 10 forms an S-shaped channel.

The length of the flow track of water in the water storage tank 10 is greatly increased under the action of the S-shaped channel formed by the plurality of partition plates 14 and 10, so that the time of water flow in the water storage tank 10 is increased, and the cooling effect of the refrigerator 11 on water is further improved.

Further, the quantity of the water diversion pipes 8 is a plurality of, and a plurality of water diversion pipes 8 contact side by side, and water diversion pipe 8 adopts copper material, and water diversion pipe 8 cross section is rectangular structure, and adjacent two water diversion pipes 8 contact each other, and rectangular structure's water diversion pipe 8 increase and heat conduction plate 4's area of contact to more effectually carry out the heat conduction, and then improve refrigerated speed.

Further, the two ends of the main water pipe 7 are both provided with brackets 6 for supporting the main water pipe 7 and the water diversion pipe 8 to be in full contact with the heat conducting plate 4 inside the fixed die 2.

It should be noted that, first, in the description of the present application, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, where "up," "down," "left," "right," etc. are merely used to indicate relative positional relationships, and when the absolute position of an object to be described is changed, the relative positional relationships may be changed;

The above description is merely of preferred embodiments of the present utility model, and the scope of the present utility model is not limited to the above embodiments, but all equivalent modifications or variations according to the present disclosure will be within the scope of the claims.

Claims (6)

1. The plastic injection mold comprises a movable mold (1) and a fixed mold (2), wherein an injection molding cavity (3) is formed in one end, close to the movable mold (1), of the fixed mold (2), and is characterized in that a layer of heat conducting plate (4) is wrapped on the bottom surface of the injection molding cavity (3), a water inlet (5) and a water outlet (9) are respectively formed in two sides of the bottom of the fixed mold (2), one ends of the water inlet (5) and the water outlet (9) extend into the fixed mold (2) and are connected with a main water pipe (7), a water diversion pipe (8) is connected between the two main water pipes (7), the water diversion pipe (8) is in contact with the heat conducting plate (4), and a water storage tank (10) is connected with the other ends of the water inlet (5) and the water outlet (9).

2. The plastic injection mold of claim 1, wherein the refrigerator (11) is arranged in the middle of the front and rear of the water storage tank (10), the liquid inlet (12) and the liquid outlet (13) are respectively arranged on two sides of the water storage tank (10), the liquid inlet (12) is connected with the water inlet (5), the liquid outlet (13) is connected with the water outlet (9), and the circulating pump (15) is arranged between the water pipes connecting the liquid outlet (13) and the water outlet (9).

3. A plastic injection mold according to claim 2, wherein a plurality of partitions (14) are disposed in the water storage tank (10) in a staggered manner, and the plurality of partitions (14) and the water storage tank (10) form an S-shaped channel in a gap therebetween.

4. A plastic injection mold according to claim 1, wherein the number of the water diversion pipes (8) is plural, and the water diversion pipes (8) are in contact side by side.

5. The plastic injection mold of claim 4, wherein the water diversion pipes (8) are made of copper, the cross sections of the water diversion pipes (8) are rectangular, and two adjacent water diversion pipes (8) are in contact with each other.

6. The plastic injection mold according to claim 1, wherein the two ends of the main water pipe (7) are provided with brackets (6).