Efficient heat dissipation injection mold

By setting spaced cooling pipes inside the injection mold and using slide rods to control the cooling water flow, the problems of low cooling water circulation efficiency and easy pipe detachment in traditional injection molds are solved, achieving efficient heat dissipation and low energy consumption cooling water circulation.

CN223812273UActive Publication Date: 2026-01-20SUZHOU GET PLASTIC TECH CO LTD
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Patent Information

Application Number
CN202520152258.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2026-01-20
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

Existing injection molds improve heat dissipation efficiency by adding water channels or increasing cooling water flow rate, which leads to increased workload on chillers and problems such as pipe detachment.

Method used

Design an efficient heat dissipation injection mold by setting spaced cooling pipes inside the mold, and connecting the two cooling pipes with a slide rod when the mold is closed to increase the cooling water flow. When the mold is opened, the cooling pipes are sealed by the slide rod to reduce the water flow, thereby optimizing the cooling water circulation.

Benefits of technology

It improves cooling efficiency during mold closing, reduces cooling water consumption during mold opening, lowers the load on the chiller, and avoids the risk of pipe detachment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an efficient heat dissipation injection mold which comprises a lower mold plate, a water inlet valve and a water outlet valve are installed on the two sides of the lower mold plate respectively, and the specification of the water inlet valve is the same as that of the water outlet valve; a first cooling pipe and a second cooling pipe are transversely arranged in the lower die plate. During die assembly, the upper die plate moves downwards and drives the pressing rods on the two sides of the upper die plate to move downwards, so that the bottom ends of the pressing rods press the pressing plates on the two sides downwards, the pressing plates drive the sliding rods to move downwards at the moment, and through holes in the bottom ends of the sliding rods are communicated with the two ends of the second cooling pipe; compared with an existing injection mold, the injection mold has the advantages that the cooling water flow can be increased and the cooling water effect can be improved when the mold is closed, and the cooling water flow can be reduced when the mold is opened, so that the cooling water consumption is reduced, and the service life of the injection mold is prolonged. The load of the cooling-water machine is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely relates to a kind of high-efficiency heat dissipation injection mold. BACKGROUND

[0002] Injection mold is a tool for producing plastic products, and is also a tool for giving plastic products complete structure and accurate size. Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of injection molding method are high production speed, high efficiency, automatic operation, various colors and shapes, and accurate product size. The product can be easily updated, and the injection molding is suitable for mass production and complex product molding.

[0003] The injection mold in the prior art cools the molding of the injection molded part by circulating cooling water. However, only when the mold is closed for injection molding, the heat is most concentrated, and more cooling water is needed for cooling. The traditional way is to increase the waterway or increase the cooling water flow rate to improve the heat dissipation efficiency. However, increasing the waterway increases the working burden of the water chiller, increases the water consumption, and increasing the flow rate causes excessive pressure, which makes the pipeline prone to fall off.

[0004] Therefore, it is of great significance to provide a high-efficiency heat dissipation injection mold to solve the problems existing in the prior art. UTILITY MODEL CONTENTS

[0005] Therefore, the purpose of the present application is to provide a high-efficiency heat dissipation injection mold to solve the problem that the traditional way is to increase the waterway or increase the cooling water flow rate to improve the heat dissipation efficiency, but increasing the waterway increases the working burden of the water chiller, increases the water consumption, and increasing the flow rate causes excessive pressure, which makes the pipeline prone to fall off.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A high-efficiency heat dissipation injection mold, comprising a lower mold plate, the lower mold plate is provided with a water inlet valve and a water outlet valve on both sides, the water inlet valve and the water outlet valve are of the same specification;

[0008] The inside of the lower mold plate is transversely provided with a cooling pipe one and a cooling pipe two, the cooling pipe one and the cooling pipe two are spaced apart, the water inlet end of the cooling pipe one and the cooling pipe two is connected with the water inlet valve, and the water outlet end of the cooling pipe one and the cooling pipe two is communicated with the water outlet valve;

[0009] The top end of the water inlet valve and the water outlet valve is slidably connected with a slide rod, the bottom end of the slide rod is provided with a through hole, the slide rods on both sides are located at both ends of the cooling pipe two, and the through hole is matched with the inlet and outlet ends of the cooling pipe two.

[0010] Preferably, the outer side of the water inlet valve and the water outlet valve is connected with a water inlet pipe and a water outlet pipe respectively, the top end of the slide rod is fixedly connected with a pressing plate, and the surface of each slide rod is sleeved with a spring.

[0011] Preferably, the middle part of the top end of the lower mold plate is provided with an injection cavity, and the cooling pipe one and the cooling pipe two are located below the injection cavity.

[0012] Preferably, the injection mold further comprises an upper mold mounting plate, the bottom end of the upper mold mounting plate is provided with an upper mold plate, the bottom end of the upper mold plate is provided with a mold core, the two sides of the mold core are fixedly connected with pressing rods, and the pressing rods are located directly above the pressing plates.

[0013] Preferably, the bottom end of the lower mold plate is fixedly connected with a lower mold mounting plate, and the mold core is matched with the injection cavity.

[0014] Compared with the prior art, the injection mold has the beneficial effects that:

[0015] When the mold is closed, the upper mold plate descends, the upper mold plate drives the pressing rods on the two sides to descend, the bottom end of the pressing rod presses the pressing plates on the two sides downward, the pressing plates drive the slide rods to move downward, the through holes in the bottom end of the slide rods are communicated with the two ends of the cooling pipe two, the cooling water can flow through the cooling pipe one and the cooling pipe two at the same time, the cooling water flow is improved, and the cooling effect is improved.

[0016] The above description is only a summary of the technical scheme of the application, in order to more clearly understand the technical means of the application, so as to be implemented according to the content of the specification, and in order to make the above and other purposes, characteristics and advantages of the application more obvious and easy to understand, the following will be described in detail with the preferred embodiments of the application and the accompanying drawings.

[0017] According to the detailed description of the specific embodiments of the application in the following text combined with the drawings, those skilled in the art will be more clear about the above and other purposes, advantages and characteristics of the application. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative effort. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual proportion.

[0019] Figure 1 It is a structural schematic diagram of the present application;

[0020] Figure 2 It is a structural sectional view of the lower mold plate in the present application Figure One ;

[0021] Figure 3 It is an enlarged view of A in Figure 2 ;

[0022] Figure 4 It is a structural sectional view of the lower mold plate in the present application Figure Two .

[0023] In the drawings: 1, upper mold mounting plate; 2, mold core; 3, upper mold plate; 4, injection cavity; 5, lower mold plate; 6, water outlet valve; 7, lower mold mounting plate; 8, cooling pipe one; 9, water inlet valve; 10, pressing plate; 11, pressing rod; 12, water outlet pipe; 13, cooling pipe two; 14, sliding rod; 15, through hole; 16, water inlet pipe; 17, spring. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. In the following description, the specific details such as specific configurations and components are provided only to help the comprehensive understanding of the embodiments of the present application. Therefore, those skilled in the art should understand that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, in order to be clear and concise, the description of known functions and structures is omitted in the embodiments.

[0025] In addition, the reference numerals and / or letters can be repeated in different examples of the present application. Such repetition is for the purpose of simplification and clarity, and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed.

[0026] The term "and / or", merely describes an associated relationship between associated objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases of A alone, B alone, and A and B together, and the term " / " in this paper is used to describe another relationship between associated objects, which means that there can be two relationships, for example, A / and B, which means that there are two cases of A alone and A and B together, in addition, the character " / " in this paper generally represents an "or" relationship between the associated objects before and after.

[0027] It should also be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion.

[0028] Please refer to Figures 1-4 The utility model provides a kind of efficient heat dissipation injection mold technical scheme: including lower die plate 5, the two sides of lower die plate 5 are respectively equipped with water inlet valve 9 and water outlet valve 6, and the specification of water inlet valve 9 and water outlet valve 6 is identical;

[0029] Cooling pipe one 8 and cooling pipe two 13 are horizontally arranged in the inside of lower die plate 5, and cooling pipe one 8 and cooling pipe two 13 are spaced apart, the water inlet end of cooling pipe one 8 and cooling pipe two 13 is connected with water inlet valve 9, and the water outlet end of cooling pipe one 8 and cooling pipe two 13 is communicated with water outlet valve 6;

[0030] The top end of water inlet valve 9 and water outlet valve 6 is slidably connected with slide rod 14, the bottom end of slide rod 14 is provided with through hole 15, and the slide rod 14 on both sides is located at the two ends of cooling pipe two 13, and through hole 15 is matched with the inlet and outlet ends of cooling pipe two 13.

[0031] The outside of water inlet valve 9 and water outlet valve 6 is respectively connected with water inlet pipe 16 and water outlet pipe 12, the top end of slide rod 14 is fixedly connected with pressing plate 10, the surface of each slide rod 14 is sleeved with spring 17, and when the mold is opened, spring 17 drives pressing plate 10 to rise, at this time, slide rod 14 rises, so that slide rod 14 seals the two ends of cooling pipe two 13, cooling water only circulates through cooling pipe one 8, reduces the flow of cooling water, thereby reducing the consumption of cooling water and reducing the load of water chiller.

[0032] The middle part of the top end of lower die plate 5 is provided with injection cavity 4, and cooling pipe one 8 and cooling pipe two 13 are located below injection cavity 4.

[0033] The injection mold further comprises an upper mold mounting plate 1, a bottom end of the upper mold mounting plate 1 is mounted with an upper mold plate 3, a bottom end of the upper mold plate 3 is mounted with a mold core 2, both sides of the mold core 2 are fixedly connected with a pressing rod 11, and the pressing rod 11 is located directly above a pressing plate 10.

[0034] A bottom end of the lower mold plate 5 is fixedly connected with a lower mold mounting plate 7, and the mold core 2 is matched with the injection cavity 4.

[0035] In specific use, the upper mold plate 3 descends, the upper mold plate 3 drives the pressing rods 11 on both sides thereof to descend, the bottom end of the pressing rod 11 presses the pressing plates 10 on both sides downward, at this time, the pressing plates 10 drive the slide rods 14 to move downward, the through hole 15 at the bottom end of the slide rod 14 is communicated with both ends of the cooling pipe two 13, the cooling water can flow through the cooling pipe one 8 and the cooling pipe two 13 simultaneously, the cooling water flow is improved, and thus the cooling effect is improved, compared with the prior injection mold, the cooling water flow can be increased when the mold is closed, and the cooling effect is improved, when the mold is opened, the spring 17 drives the pressing plates 10 to ascend, at this time, the slide rods 14 ascend, the slide rods 14 seal both ends of the cooling pipe two 13, the cooling water only circulates through the cooling pipe one 8, the cooling water flow is reduced, and thus the cooling water consumption is reduced, and the load of the cooling water machine is reduced.

[0036] The above only describes preferred embodiments of the utility model, and does not limit the protection scope of the utility model, for those skilled in the art, the utility model can have various changes and variations, any change, modification, replacement, integration and parameter change of the embodiments within the spirit and principle of the utility model, which can realize the same function without departing from the principle and spirit of the utility model, falls within the protection scope of the utility model.

Claims

1. A high efficiency heat dissipating injection mold characterized by: Including lower die plate (5), both sides of lower die plate (5) are respectively equipped with water inlet valve (9) and water outlet valve (6), and water inlet valve (9) and water outlet valve (6) are same in size; The inside of the lower die plate (5) is transversely provided with a cooling pipe one (8) and a cooling pipe two (13), the cooling pipe one (8) and the cooling pipe two (13) are spaced apart, the water inlet end of the cooling pipe one (8) and the cooling pipe two (13) are connected with the water inlet valve (9), the water outlet end of the cooling pipe one (8) and the cooling pipe two (13) are communicated with the water outlet valve (6); The top end of the water inlet valve (9) and the water outlet valve (6) is slidably connected with a slide rod (14), the bottom end of the slide rod (14) is provided with a through hole (15), the slide rod (14) on both sides is located at both ends of the cooling pipe two (13), and the through hole (15) is matched with the inlet and outlet ends of the cooling pipe two (13).

2. A high efficiency heat dissipating injection mold as claimed in claim 1, wherein: The outer side of the water inlet valve (9) and the water outlet valve (6) is respectively connected with a water inlet pipe (16) and a water outlet pipe (12), the top end of the slide rod (14) is fixedly connected with a pressing plate (10), and the surface of each slide rod (14) is sleeved with a spring (17).

3. A high efficiency heat dissipating injection mold as claimed in claim 2, wherein: The middle part of the top end of the lower die plate (5) is provided with an injection cavity (4), and the cooling pipe one (8) and the cooling pipe two (13) are located below the injection cavity (4).

4. A high efficiency heat dissipating injection mold as claimed in claim 3, wherein: The injection mold further comprises an upper mold mounting plate (1), the bottom end of the upper mold mounting plate (1) is provided with an upper mold plate (3), the bottom end of the upper mold plate (3) is provided with a mold core (2), the both sides of the mold core (2) are fixedly connected with a pressing rod (11), and the pressing rod (11) is located above the pressing plate (10).

5. A high efficiency heat dissipating injection mold as claimed in claim 4, wherein: The bottom end of the lower die plate (5) is fixedly connected with a lower mold mounting plate (7), and the mold core (2) is matched with the injection cavity (4).