Fixing mechanism and injection molding device thereof

By designing a fixing mechanism in the injection mold, combining the refrigerator and air-conditioning pipe joints, the synchronous water cooling and air-conditioning cooling are achieved, which solves the problems of low cooling efficiency and mold release damage in the traditional injection mold, and improves the efficiency of injection molding.

CN222987510UActive Publication Date: 2025-06-17苏州德信隆塑胶有限公司
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Patent Information

Application Number
CN202422198763.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-06-17
Estimated Expiration
2034-09-09

AI Technical Summary

Technical Problem

Traditional injection molds are cooled by water cooling, which has low cooling efficiency and is prone to damage to product demolding, affecting molding efficiency.

Method used

A fixing mechanism is designed, including a lower fixing plate, an upper fixing plate, a support frame, a lower mold, an upper mold, a mold core and a heat dissipation fin, and the water cooling and air cooling are synchronized through the refrigerator and the air-conditioning pipe joint.

Benefits of technology

The cooling efficiency of injection molded products is improved, the mold clamping stability between the upper mold and the lower mold is enhanced, thereby improving the processing efficiency of the product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fixed mechanism and injection molding device thereof, including lower fixed plate and upper fixed plate, the both sides of lower fixed plate top end are both fixedly equipped with support frame, the top end of two support frame is fixedly equipped with lower mould, the bottom end of upper fixed plate is fixedly equipped with the upper mould that matches the lower mould, the upper fixed plate is equipped with the upper mould that matches the lower mould, and the lower fixed plate is equipped with the lower mould. And a mold core is fixedly installed in the lower mold, heat dissipation fins which are evenly distributed are fixedly arranged on the surface of the mold core at equal intervals, and an annular cooling flow channel is formed in the mold core. According to the utility model, through the matching of the movable buckling block and the buckling groove, when the upper mold and the lower mold are closed, the mold closing stability of the upper mold and the lower mold can be effectively improved, and through the matching of the heat dissipation fins and the cooling flow channel, water cooling and cold air cooling can be synchronously carried out, so that the cooling efficiency of product injection molding is effectively improved; therefore, the processing efficiency of products is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molding, and particularly relates to a fixing mechanism and an injection molding device thereof. Background Technique

[0002] At present, during the processing of plastic products, the products are mainly processed through injection molds during the processing process. The traditional injection molds are mainly cooled and formed by water cooling. When water cooling is used for cooling, the cooling efficiency is low, and it is easy to cause damage to the demolding of the injection products, affecting the efficiency of product injection molding. Therefore, we designed a fixing mechanism and an injection molding device to solve the above technical problems. Content of the Utility Model

[0003] The purpose of the utility model is to provide a fixing mechanism and an injection molding device thereof to solve the problems put forward in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: A fixing mechanism includes a lower fixing plate and an upper fixing plate. On both sides of the top end of the lower fixing plate, support frames are fixedly installed. At the top ends of the two support frames, a lower mold is fixedly installed. At the bottom end of the upper fixing plate, an upper mold adapted to the lower mold is fixedly installed. Inside the lower mold, a mold core is fixedly installed. On the surface of the mold core, evenly distributed heat dissipation fins are fixedly arranged at equal intervals. Inside the mold core, an annular cooling flow channel is opened.

[0005] Preferably, a refrigerating machine is fixedly installed at the center of the top end of the lower fixing plate. The liquid outlet end of the refrigerating machine is fixedly connected to one end of the annular cooling flow channel through a connecting pipe, and the other end of the annular cooling flow channel is fixedly connected to the water inlet end of the refrigerating machine through a conduit.

[0006] Preferably, cold air pipe joints and air outlet pipe joints are respectively fixedly installed at the two corners of the lower mold.

[0007] Preferably, buckling grooves are opened at the bottoms of the four sides of the lower mold, and buckling blocks are arranged at the four sides of the top end of the mold core. The buckling blocks are buckled and connected with the buckling grooves.

[0008] Preferably, grooves are opened at the four sides of the top end of the mold core. The buckling blocks are slidably connected with the grooves. At the center of the bottom of the groove, a T-shaped sliding groove is opened. Inside the four T-shaped sliding grooves, T-shaped sliding blocks are slidably connected. The top end of the T-shaped sliding block is fixedly connected to the bottom end of the buckling block. On one side of the T-shaped sliding groove, an electric push rod is fixedly installed. The telescopic end of the electric push rod is fixedly connected to one side of the T-shaped sliding block.

[0009] Preferably, a pouring nozzle is fixedly arranged at the center of the upper fixing plate.

[0010] Another object of the present utility model is to provide a fixing mechanism, and the injection molding device includes a fixing mechanism as described above.

[0011] Technical effects and advantages of the present utility model:

[0012] 1. Through the cooperation of the moving buckle and the buckle groove, when the upper mold and the lower mold are closed, the stability of the closing of the upper mold and the lower mold can be effectively improved.

[0013] 2. Through the cooperation of the heat dissipation fins and the annular cooling channel, the synchronous implementation of water cooling and cold air cooling can be achieved, effectively improving the cooling efficiency of product injection molding, thereby improving the processing efficiency of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic structural diagram of a fixing mechanism and its injection molding device of the present utility model.

[0015] Figure 2 It is a schematic cross-sectional structure diagram of the lower mold of a fixing mechanism and its injection molding device of the present utility model.

[0016] Figure 3 It is a schematic structural diagram of the buckle of a fixing mechanism and its injection molding device of the present utility model.

[0017] In the figure: 1. Lower fixing plate; 2. Upper fixing plate; 3. Support frame; 4. Lower mold; 5. Mold core; 6. Upper mold; 7. Buckle groove; 8. Buckle; 9. Connecting pipe; 10. Cold air pipe joint; 11. Refrigerator; 12. Annular cooling channel; 13. Heat dissipation fins; 14. Groove; 15. T-shaped sliding groove; 16. Electric push rod; 17. T-shaped sliding block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with 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 of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] The present utility model provides a fixing mechanism as Figures 1-3 shown, including a lower fixing plate 1 and an upper fixing plate 2. On both sides of the top of the lower fixing plate 1, support frames 3 are fixedly installed. At the top of the two support frames 3, a lower mold 4 is fixedly installed. At the bottom of the upper fixing plate 2, an upper mold 6 adapted to the lower mold 4 is fixedly installed. Inside the lower mold 4, a mold core 5 is fixedly installed. On the surface of the mold core 5, heat dissipation fins 13 are evenly and equidistantly fixedly arranged. Inside the mold core 5, an annular cooling channel 12 is opened.

[0020] Specifically, through the cooperation of the heat dissipation fins 13 and the annular cooling channel 12, the simultaneous implementation of water cooling and air cooling can be achieved, effectively improving the cooling efficiency of product injection molding, thereby enhancing the processing efficiency of the product.

[0021] According to Figure 1 、 Figure 2 and Figure 3 As shown, a refrigerator 11 is fixedly installed at the center of the top end of the lower fixing plate 1. The liquid outlet end of the refrigerator 11 is fixedly connected to one end of the annular cooling channel 12 through a connecting pipe 9, and the other end of the annular cooling channel 12 is fixedly connected to the water inlet end of the refrigerator 11 through a conduit.

[0022] Specifically, through the cooperation of the annular cooling channel 12, the flow and cooling of cold water inside the annular cooling channel 12 can be achieved.

[0023] Cold air pipe connectors 10 and air outlet connectors are respectively and fixedly installed at the two corners of the lower mold 4.

[0024] Specifically, through the cooperation of the cold air pipe connector 10 and the air outlet connector, the internal circulation and heat dissipation of cold air in the lower mold 4 can be achieved.

[0025] Buckling grooves 7 are formed at the bottoms of the four side edges of the lower mold 4, and buckling blocks 8 are arranged at the four side edges of the top end of the mold core 5. The buckling blocks 8 are buckled and connected with the buckling grooves 7.

[0026] Grooves 14 are formed at the four side edges of the top end of the mold core 5. The buckling blocks 8 are slidably connected with the grooves 14. A T-shaped sliding groove 15 is formed at the center of the bottom of the groove 14. A T-shaped sliding block 17 is slidably connected inside the four T-shaped sliding grooves 15. The top end of the T-shaped sliding block 17 is fixedly connected to the bottom end of the buckling block 8. An electric push rod 16 is fixedly installed on one side of the T-shaped sliding groove 15. The telescopic end of the electric push rod 16 is fixedly connected to one side of the T-shaped sliding block 17.

[0027] Specifically, by pushing the T-shaped sliding block 17 through the electric push rod 16, and driving the movement of the buckling block 8 through the movement of the T-shaped sliding block 17, the buckling block 8 is buckled with the buckling groove 7, so that the mold closing between the upper mold 6 and the lower mold 4 is stable.

[0028] A pouring nozzle is fixedly provided at the center of the upper fixing plate 2.

[0029] Another object of the present utility model is to provide a fixing mechanism. The injection molding device includes a fixing mechanism as described above

[0030] Working principle of the utility model: When using the fixing mechanism and its injection molding device, first fix and connect the cold air pipe joint 10 to the air outlet end of the external air conditioner through a conduit. During the injection molding process, turn on the refrigerator 11 and the external air conditioner. The refrigerator 11 allows the cooled liquid to flow into the annular cooling channel 12 for circulation. The cold air generated by the air conditioner is blown into the cavity between the lower mold 4 and the mold core 5. With multiple heat dissipation fins 13 provided on the surface of the mold core 5, simultaneous water cooling and cold air cooling can be achieved, effectively improving the cooling efficiency of product injection molding, thereby enhancing the processing efficiency of the product.

[0031] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the technical field to which the utility model pertains can make various modifications or supplements to the described specific embodiments or use similar means for substitution, but will not deviate from the spirit of the utility model or exceed the scope defined by the appended claims.

Claims

1. A fixing mechanism, comprising a lower fixing plate (1) and an upper fixing plate (2), characterized in that: Support frames (3) are fixedly mounted on both sides of the top of the lower fixed plate (1), lower molds (4) are fixedly mounted on the tops of the two support frames (3), an upper mold (6) matched with the lower mold (4) is fixedly mounted on the bottom of the upper fixed plate (2), a mold core (5) is fixedly mounted inside the lower mold (4), and evenly distributed heat dissipation fins (13) are fixedly mounted on the surface of the mold core (5) at equal distances, and an annular cooling channel (12) is opened inside the mold core (5).

2. A fixing mechanism according to claim 1, characterized in that: A refrigerator (11) is fixedly mounted at the center of the top end of the lower fixed plate (1); the liquid outlet end of the refrigerator (11) is fixedly connected to one end of the annular cooling channel (12) via a connecting pipe (9); and the other end of the annular cooling channel (12) is fixedly connected to the water inlet end of the refrigerator (11) via a conduit.

3. A fixing mechanism according to claim 1, characterized in that: A cold air pipe joint (10) and an air outlet pipe joint are respectively fixedly mounted at the two side corners of the lower mold (4).

4. A fixing mechanism according to claim 1, characterized in that: The bottoms of the four sides of the lower mold (4) are provided with buckle grooves (7), and the four sides of the top of the mold core (5) are provided with buckle blocks (8), and the buckle blocks (8) are buckled and connected with the buckle grooves (7).

5. A fixing mechanism according to claim 4, characterized in that: The four sides of the top of the mold core (5) are all provided with grooves (14), the buckle block (8) is slidably connected to the groove (14), a T-shaped slide groove (15) is provided at the center of the bottom of the groove (14), the four T-shaped slide grooves (15) are slidably connected with T-shaped sliders (17) inside, the top of the T-shaped slider (17) is fixedly connected to the bottom of the buckle block (8), an electric push rod (16) is fixedly installed on one side of the T-shaped slide groove (15), and the telescopic end of the electric push rod (16) is fixedly connected to one side of the T-shaped slider (17).

6. A fixing mechanism according to claim 1, characterized in that: A pouring nozzle is fixedly provided at the center of the upper fixed plate (2).

7. An injection molding device, characterized in that: The injection molding device comprises a fixing mechanism as described in any one of claims 1-6.