Water circulation cooling structure of injection mold

Abstract

The utility model discloses a water circulation cooling structure of an injection mold. The water circulation cooling structure comprises an outer mold frame, an inner mold base is fixedly arranged on the inner side of the outer mold frame, a cooling frame is fixedly installed in an inner cavity, and a plurality of supporting pieces are fixedly arranged in the inner cavity. The cooling frame can be matched with the inner cavity in the inner side of the inner mold base, the inner side of the cooling frame is provided with the inner sealing bases and the liquid guide pipes connected with the inner sealing bases, during installation, the outer pressing arms at the two ends of the cooling frame are inserted into the two sides of the inner cavity, meanwhile, the liquid guide pipes are inserted into the cooling grooves in the supporting pieces, and liquid guide cooling is achieved; after the liquid guide pipe is inserted into the cooling groove, the inner sealing seat can also be pressed at one end of the supporting piece, so that sealing protection is performed, liquid leakage during cooling of the inner mold seat is prevented, meanwhile, the outer side of the cooling frame is further provided with an outer pressing arm, protection is further performed on the outer side of the outer pressing arm, liquid leakage is prevented, and in this way, the detachable cooling frame structure is arranged, so that the cooling efficiency is improved. And meanwhile, the use cost is reduced.

Description

Technical Field

[0001] The utility model relates to a water circulation cooling structure for an injection mould, belonging to the technical field of injection moulds. Background Art

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of colors, shapes from simple to complex, sizes from large to small, and precise product size. The product is easy to update and can be made into parts with complex shapes. Injection molding is suitable for mass production and molding processing fields such as products with complex shapes. At a certain temperature, the completely molten plastic material is stirred by a screw, injected into the mold cavity with high pressure, and cooled and solidified to obtain a molded product. This method is suitable for mass production of parts with complex shapes and is one of the important processing methods.

[0003] In the injection mold, the circulating water cooling structure is mainly used to cool the injection molded parts after molding, and is an important component of the injection mold. However, the existing cooling structure directly sets the cooling structure inside the mold and is integrated with the mold. This makes it inconvenient to clean the cooling structure, and an independent cooling structure needs to be set. Utility Model Content

[0004] The utility model aims to provide a water circulation cooling structure for an injection mold to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The water circulation cooling structure of the injection mold comprises an outer mold frame, an inner mold base, a cooling rack, a support, an outer clamping arm and an inner sealing seat, wherein the inner side of the outer mold frame is fixedly provided with an inner mold base, the inner side of the inner mold base is provided with an inner cavity, the inner side of the inner cavity is fixedly provided with a cooling rack, the inner side of the inner cavity is fixedly provided with a plurality of support members, and the plurality of support members are evenly arranged, the inner side of the cooling rack is fixedly provided with a plurality of inner sealing seats, and the inner sealing seats are covered at the outer side ports of the support members, and the inner side of the inner mold base is provided with a molding cavity.

[0007] In the above-mentioned water circulation cooling structure of the injection mold, a cooling groove is provided inside the support member, a liquid guide tube is fixedly connected to the inner side of the inner sealing seat, and the liquid guide tube is inserted into the cooling groove.

[0008] In the above-mentioned water circulation cooling structure of the injection mold, two outer clamping arms are fixedly connected to one side of the cooling rack, and the two outer clamping arms are symmetrically arranged, and the outer clamping arms are placed at the side positions of the inner cavity.

[0009] In the above-mentioned water circulation cooling structure of the injection mold, a rubber pad is fixedly arranged on the inner side of the outer clamping arm, and a sealing gasket is arranged on the inner side of the inner sealing seat.

[0010] In the above-mentioned water circulation cooling structure of the injection mold, one end of the cooling frame is fixedly connected with a water inlet port, and the water inlet port is communicated with the liquid guide tube, and one end of the inner mold base is fixedly provided with a water outlet port, and the water outlet port is communicated with the cooling trough.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model discloses a water circulation cooling structure for an injection mold. The utility model discloses a separate cooling rack structure. The cooling rack can cooperate with the inner cavity inside the inner mold seat. A plurality of inner sealing seats and a liquid guide tube connected to the inner sealing seats are arranged on the inner side of the cooling rack. During installation, the outer clamping arms at both ends of the cooling rack are inserted into the two sides of the inner cavity. At the same time, the liquid guide tube is inserted into the cooling groove inside the support member to realize liquid guide cooling. After the liquid guide tube is inserted into the cooling groove, the inner sealing seat will also be pressed against one end of the support member, thereby performing sealing protection to prevent liquid leakage when the inner mold seat is cooled. At the same time, an outer clamping arm is also arranged on the outer side of the cooling rack. Further protection is performed on the outer side of the outer clamping arm to prevent liquid leakage. Such a structure is provided with a detachable cooling rack structure, which can be easily replaced and reduce the use cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the water circulation cooling structure of the injection mold of the utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of the inner mold base of the water circulation cooling structure of the injection mold of the utility model;

[0015] Figure 3 The utility model is a schematic diagram of the internal structure of the cooling rack of the water circulation cooling structure of the injection mold.

[0016] In the figure: 1. outer mold frame; 2. inner mold base; 3. cooling frame; 4. water inlet port; 5. molding cavity; 6. water outlet port; 7. inner cavity; 8. support member; 9. cooling trough; 10. outer clamping arm; 11. inner sealing seat; 12. liquid guide tube; 13. rubber pad. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-3 The utility model provides a technical solution for the water circulation cooling structure of the injection mold:

[0019] The water circulation cooling structure of the injection mold includes an outer mold frame 1, an inner mold base 2, a cooling frame 3, a support member 8, an outer clamping arm 10 and an inner sealing seat 11. The inner mold base 2 is fixedly arranged on the inner side of the outer mold frame 1, an inner cavity 7 is opened on the inner side of the inner mold base 2, the cooling frame 3 is fixedly installed inside the inner cavity 7, a plurality of support members 8 are fixedly arranged inside the inner cavity 7, and the plurality of support members 8 are evenly arranged, a plurality of inner sealing seats 11 are fixedly arranged on the inner side of the cooling frame 3, and the inner sealing seats 11 cover the outer port of the support member 8, and a molding cavity 5 is opened on the inner side of the inner mold base 2.

[0020] according to Figure 1 , Figure 2 and Figure 3 As shown, the water circulation cooling structure of the injection mold of the present application, specifically, a cooling groove 9 is opened inside the support member 8, and a liquid guide tube 12 is fixedly connected to the inner side of the inner sealing seat 11, and the liquid guide tube 12 is inserted into the cooling groove 9. The liquid guide tube 12 of the present application is a metal tube body. When the liquid guide tube 12 guides the coolant into the cooling groove 9, since the cooling groove 9 is directly arranged on the inner side of the molding cavity 5, the molded part inside the molding cavity 5 can be directly cooled.

[0021] according to Figure 1 , Figure 2 and Figure 3 As shown, the water circulation cooling structure of the injection mold of the present application, specifically, two outer clamping arms 10 are fixedly connected to one side of the cooling rack 3, and the two outer clamping arms 10 are symmetrically arranged, and the outer clamping arms 10 are placed on the side positions of the inner cavity 7. When the cooling rack 3 is installed, the outer clamping arms 10 located on both sides of the cooling rack 3 can cover both sides of the inner cavity 7.

[0022] according to Figure 1 , Figure 2 and Figure 3 As shown, the water circulation cooling structure of the injection mold of the present application, specifically, a rubber pad 13 is fixedly provided on the inner side of the outer clamping arm 10, a sealing gasket is provided on the inner side of the inner sealing seat 11, and the sealing gasket is provided on the inner side of the inner sealing seat 11. When the inner sealing seat 11 is pressed against one end of the support member 8, the sealing performance can be enhanced to prevent leakage of the cooling groove 9.

[0023] according to Figure 1 , Figure 2 and Figure 3As shown, the water circulation cooling structure of the injection mold of the present application, specifically, one end of the cooling rack 3 is fixedly connected to a water inlet port 4, and the water inlet port 4 is connected to the liquid guide tube 12, one end of the inner mold base 2 is fixedly provided with a water outlet port 6, and the water outlet port 6 is connected to the cooling trough 9.

[0024] Working principle: the water circulation cooling structure of the injection mold of the utility model is provided with a separate cooling rack 3 structure. The cooling rack 3 can cooperate with the inner cavity 7 inside the inner mold base 2. A plurality of inner sealing seats 11 and a liquid guide tube 12 connected to the inner sealing seat 11 are provided on the inner side of the cooling rack 3. During installation, the outer clamping arms 10 at both ends of the cooling rack 3 are inserted into the two sides of the inner cavity 7 inside the inner mold base 2, and the liquid guide tube 12 is inserted into the cooling groove 9 inside the support member 8 to realize liquid guide cooling. When the liquid guide tube 12 is inserted into the cooling groove 9, the inner sealing seat 11 will also be pressed on one end of the support member 8, thereby performing sealing protection to prevent leakage of the inner mold base 2 during cooling. At the same time, an outer clamping arm 10 is also provided on the outer side of the cooling rack 3, and further protection is performed on the outer side of the outer clamping arm 10 to prevent leakage during cooling. Such a structural design is provided with a detachable cooling rack 3 structure, which can be easily replaced. At the same time, when the cooling rack 3 is damaged later, the cooling rack 3 can be directly replaced without replacing the entire mold structure as a whole, thereby reducing the use cost.

[0025] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A water circulation cooling structure for an injection mold, comprising an outer mold frame (1), an inner mold base (2), a cooling frame (3), a support member (8), an outer clamping arm (10) and an inner sealing seat (11), characterized in that: An inner mold base (2) is fixedly arranged on the inner side of the outer mold frame (1), an inner cavity (7) is opened on the inner side of the inner mold base (2), a cooling rack (3) is fixedly installed inside the inner cavity (7), a plurality of support members (8) are fixedly arranged inside the inner cavity (7), and the plurality of support members (8) are evenly arranged, a plurality of inner sealing seats (11) are fixedly arranged on the inner side of the cooling rack (3), and the inner sealing seats (11) cover the outer side ports of the support members (8), and a molding cavity (5) is opened on the inner side of the inner mold base (2).

2. The water circulation cooling structure of the injection mold according to claim 1, characterized in that: A cooling groove (9) is provided inside the support member (8), a liquid guide tube (12) is fixedly connected to the inner side of the inner sealing seat (11), and the liquid guide tube (12) is inserted into the interior of the cooling groove (9).

3. The water circulation cooling structure of the injection mold according to claim 1, characterized in that: Two outer clamping arms (10) are fixedly connected to one side of the cooling rack (3), and the two outer clamping arms (10) are symmetrically arranged, and the outer clamping arms (10) are placed at the side positions of the inner cavity (7).

4. The water circulation cooling structure of the injection mold according to claim 1, characterized in that: A rubber pad (13) is fixedly arranged on the inner side of the outer clamping arm (10), and a sealing gasket is arranged on the inner side of the inner sealing seat (11).

5. The water circulation cooling structure of the injection mold according to claim 1, characterized in that: One end of the cooling rack (3) is fixedly connected to a water inlet port (4), and the water inlet port (4) is in communication with a liquid guide tube (12); one end of the inner mold base (2) is fixedly provided with a water outlet port (6), and the water outlet port (6) is in communication with a cooling trough (9).

Images