Injection mold convenient to cool and demold

By designing an injection mold that is easy to cool and mold release, the combination of electric push rods, sealing blocks and heat dissipation gas tanks solves the problem of mold release and mold quality, and achieves efficient and damage-free product release and rapid mold cooling.

CN222844683UActive Publication Date: 2025-05-09ZHENJIANG YAHENG MACHINERY MANUFACTURING CO LTD
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Patent Information

Application Number
CN202421352589.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-05-09
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

Injection molds often encounter difficulties in molding after injection molding. The push rod is prone to damage the product during the pushing process, resulting in pulling and forming quality problems.

Method used

An injection mold is designed to facilitate cooling and mold release, including a base, electric push rod, a boss, a support column, a concave mold, a sealing disk, a sealing block, a push spring and a heat dissipation gas tank. The male mold is driven to close with the concave mold through an electric push rod, and the sealing block closes the mold release hole, blow-off mold is used to release the mold with high-pressure gas, and cool and cool through the heat dissipation gas tank.

Benefits of technology

It effectively avoids product damage caused by push rod demolding, ensures complete demolding of the product, improves injection molding quality and production efficiency, and improves the service life of the mold through rapid cooling.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222844683U_ABST
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Abstract

The utility model relates to the technical field of injection molds, and discloses an injection mold convenient to cool and demold. The injection mold facilitating cooling and demolding comprises a base, the base is arranged in a U shape, an electric push rod is arranged on the left side wall of the base, a male mold is arranged at the telescopic end of the electric push rod, a supporting column is arranged on the right side wall of an inner cavity of the base, and a female mold is arranged on the outer wall of the supporting column; according to the scheme, the base, the electric push rod, the convex mold and other devices are arranged to be matched, so that the device can conveniently blow and demold a formed product, product damage caused by push rod demolding is avoided, and the product can be completely demolded from the concave mold; and through cooperation of the female mold, the heat dissipation air grooves, the male mold and other devices, the device can conveniently conduct cooling treatment on the female mold, injection molding products can be rapidly formed conveniently, and the production efficiency of the device can be improved easily.
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Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds, in particular to an injection mold which is convenient for cooling and demoulding. Background Art

[0002] Plastic products are an indispensable product in daily production and life. Plastics can be made into a variety of products with different hardness or structures through blow molding, injection molding and other means. The products made have many advantages and are widely welcomed by people. When demolding, demolding tools are mostly used for demolding, and methods such as warping are used. This method is easy to cause damage to the edges or other places of the injection molded parts, affecting the molding quality of the injection molded parts. For this reason, we propose an injection mold that is easy to cool and demold. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an injection mold which is easy to cool and demold, which effectively solves the problem that the injection mold is often difficult to demold after injection molding. The product is demolded by a push rod, and the push rod is easy to damage the product during the pushing process, and it is easy to cause pulling on the plastic part, thereby affecting the molding quality of the injection molded part.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection mold that is convenient for cooling and demolding, comprising a base, the base is U-shaped, the left side wall of the inner cavity of the base is provided with an electric push rod, the telescopic end of the electric push rod is provided with a convex mold, the right side wall of the inner cavity of the base is provided with a support column, the outer wall of the support column is provided with a concave mold, an air cavity is opened on the concave mold, the right side wall of the inner cavity of the concave mold is evenly provided with demolding air holes, the left end of the support column is provided with a sealing disk, the left side wall of the sealing disk is evenly provided with sealing blocks, the front side wall of the concave mold is provided with an air inlet, the top wall of the concave mold is provided with an injection port, the right side wall of the inner cavity of the base is evenly provided with a pushing spring, and the left end of the pushing spring is arranged on the right side wall of the concave mold.

[0005] Preferably, heat dissipation grooves are evenly formed on the outer wall of the concave mold, and the heat dissipation grooves are communicated with the air cavity.

[0006] Preferably, a sealing ring is provided on the outer wall of the sealing disk, and the sealing ring is located on the inner wall of the heat dissipation groove.

[0007] Preferably, the right side wall of the inner cavity of the base is evenly provided with guide rods, and the concave mold is located on the outer wall of the guide rods.

[0008] Preferably, the sealing block is convex, and a sealing ring is provided on the left side wall of the sealing block.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The injection mold that is easy to cool and demould can be easily blown and demoulded by setting a base, an electric push rod, a male mold and other devices, so as to avoid damage to the product caused by push rod demoulding, and is conducive to completely demoulding the product from the female mold;

[0011] 2. The injection mold that is easy to cool and demould can be used to cool the concave mold by arranging the concave mold, the heat dissipation groove and the convex mold, so that the device can be used to cool the concave mold, which is convenient for rapid molding of the injection molded product and is beneficial to improving the production efficiency of the device;

[0012] 3. The injection mold which is easy to cool and demould can seal the heat dissipation groove by arranging a sealing plate, a sealing ring and a concave mold, so as to avoid gas leakage from the heat dissipation groove during demoulding and avoid difficulty in demoulding the product due to insufficient air pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0014] In the attached picture:

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional structural schematic diagram of the bottom plate of the utility model;

[0017] Figure 3 It is a cross-sectional structural schematic diagram of the collection box of the utility model;

[0018] In the figure: 100, base; 101, electric push rod; 102, male mold; 103, support column; 104, female mold; 105, sealing disk; 106, sealing block; 107, pushing spring; 108, sealing ring; 109, guide rod; 110, sealing ring. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] Depend on Figure 1 , Figure 2 and Figure 3The utility model provides an injection mold that is convenient for cooling and demoulding. The base 100 is U-shaped. The left side wall of the inner cavity of the base 100 is fixedly connected with an electric push rod 101, which is convenient for pushing the male mold 102 to move through the electric push rod 101. The telescopic end of the electric push rod 101 is fixedly connected with the male mold 102. The male mold 102 cooperates with the female mold 104 to facilitate shaping of the injection molding raw material. The right side wall of the inner cavity of the base 100 is fixedly connected with a support column 103, which is convenient for supporting the female mold 104. The outer wall of the support column 103 is slidably connected with the female mold 104, and the female mold 104 is convenient for production. Injection molding of the product, an air cavity is opened on the concave mold 104, and demoulding holes are evenly opened on the right side wall of the inner cavity of the concave mold 104. Exhaust through the demoulding holes facilitates the movement of the product for demoulding. The left end of the support column 103 is fixedly connected with a sealing disk 105, which is convenient for supporting the sealing block 106. The left side wall of the sealing disk 105 is evenly fixedly connected with a sealing block 106, which is convenient for sealing the demoulding holes through the sealing block 106 to avoid gas leakage during injection molding and affecting molding. The front side wall of the concave mold 104 is opened with an air inlet, and the top wall of the concave mold 104 is opened with an injection port, which is convenient for adding injection molding materials. The base 10 The right side wall of the inner cavity is evenly fixedly connected with a pushing spring 107, which facilitates the pushing of the female mold 104 to move. The left end of the pushing spring 107 is fixedly connected to the right side wall of the female mold 104; the male mold 102 is pushed to move by the electric push rod 101, so that the male mold 102 and the female mold 104 are closed, and the female mold 104 is pushed to move by the male mold 102, so that the sealing plate 105 is pressed against the female mold 104, and the demoulding pores are closed by the sealing block 106, and the injection molding raw material is poured into the inner cavity of the female mold 104 through the injection port for injection molding. After the injection molding is completed, it is cooled and driven by the electric push rod 101. The male mold 102 moves to the left, so that the male mold 102 is separated from the female mold 104. The female mold 104 is pushed to the left by the elastic force of the pushing spring 107, so that the sealing block 106 is separated from the demoulding hole, and the air inlet is connected to the air pump. The air pump is used to inject air into the air cavity, and the molded product is pushed to be demoulded by high-pressure gas. The device can be convenient for blowing and demoulding the molded product, avoiding product damage caused by demoulding of the push rod, which is conducive to completely demoulding the product from the female mold 104. The outer wall of the female mold 104 is evenly provided with heat dissipation grooves, which are arranged in a Z shape to facilitate gas flow to blow away heat, and the heat dissipation grooves are connected to the air cavity;During the cooling of injection molding, air is injected into the air cavity through the air pump, and the gas dissipates heat to the concave mold 104 through the heat dissipation groove. The heat is blown away from the concave mold 104 by blowing air, which is convenient for quickly cooling the concave mold 104. The device can be convenient for cooling the concave mold 104, which is convenient for rapid molding of injection molded products and is beneficial to improving the production efficiency of the device. The outer wall of the sealing disk 105 is fixedly connected with a sealing ring 108, and the sealing ring 108 is made of heat-resistant rubber, which is convenient for closing the heat dissipation groove. The sealing ring 108 is located at the through hole of the heat dissipation groove; by setting the sealing ring 108, it is convenient to seal the heat dissipation groove to avoid gas leakage from the heat dissipation groove during demoulding, and avoid Insufficient air pressure makes it difficult to demould the product, which is conducive to improving demoulding efficiency. The right side wall of the inner cavity of the base 100 is evenly fixedly connected with a guide rod 109, which is convenient for supporting and limiting the concave mold 104. The concave mold 104 is located on the outer wall of the guide rod 109; by setting multiple groups of guide rods 109, it is convenient to support and limit the movement of the concave mold 104, avoid the deflection of the concave mold 104, and facilitate the lateral translation of the concave mold 104. The sealing block 106 is convexly set, and the left side wall of the sealing block 106 is fixedly connected with a sealing ring 110; by setting the sealing ring 110, it is convenient to seal the demoulding pores, avoid leakage of raw materials during injection molding, and facilitate injection molding operations. ;

[0021] Working principle: The male mold 102 is pushed to move by the electric push rod 101, so that the male mold 102 and the female mold 104 are closed, and the female mold 104 is pushed to move by the male mold 102, so that the sealing disk 105 is pressed against the female mold 104, and the demoulding pores are sealed by the sealing block 106, and the injection molding material is poured into the inner cavity of the female mold 104 through the injection port for injection molding. After the injection molding is completed, it is cooled, and the male mold 102 is driven by the electric push rod 101 to move to the left, so that the male mold 102 and the female mold 104 are separated, and the female mold 104 is pushed to move to the left by the elastic force of the pushing spring 107, so that the sealing block 106 is separated from the demoulding pores. The air inlet is connected to the air pump, and air is injected into the air cavity through the air pump. The molded product is demoulded by pushing the high-pressure gas, so that the device can be convenient for blowing and demoulding the molded product, avoiding damage to the product caused by demoulding of the push rod, which is beneficial to completely demoulding the product from the female mold 104. During the injection cooling, air is injected into the air cavity through the air pump, and the gas dissipates the heat of the female mold 104 through the heat dissipation groove. The heat is blown away from the female mold 104 by blowing, which is convenient for quickly cooling the female mold 104. The device can be convenient for cooling the female mold 104, which is convenient for rapid molding of injection molded products and is beneficial to improving the production efficiency of the device.

[0022] It should be noted that, in this article, relational terms such as first and second, etc. 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 these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0023] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection mold for easy cooling and demoulding, comprising a base (100), characterized in that: The base (100) is arranged in a U-shape, the left side wall of the inner cavity of the base (100) is provided with an electric push rod (101), the telescopic end of the electric push rod (101) is provided with a male mold (102), the right side wall of the inner cavity of the base (100) is provided with a support column (103), the outer wall of the support column (103) is provided with a female mold (104), an air cavity is provided on the female mold (104), and the right side wall of the inner cavity of the female mold (104) is evenly provided with A demoulding pore is provided, a sealing disk (105) is provided at the left end of the support column (103), a sealing block (106) is evenly provided on the left side wall of the sealing disk (105), an air inlet is provided on the front side wall of the concave mold (104), an injection port is provided on the top wall of the concave mold (104), a pushing spring (107) is evenly provided on the right side wall of the inner cavity of the base (100), and the left end of the pushing spring (107) is provided on the right side wall of the concave mold (104).

2. The injection mold for easy cooling and demoulding according to claim 1, characterized in that: The outer wall of the concave mold (104) is evenly provided with heat dissipation grooves, and the heat dissipation grooves are connected to the air cavity.

3. The injection mold for easy cooling and demoulding according to claim 2, characterized in that: The outer wall of the sealing disk (105) is provided with a sealing ring (108), and the sealing ring (108) is located on the inner wall of the heat dissipation groove.

4. The injection mold for easy cooling and demoulding according to claim 1, characterized in that: The right side wall of the inner cavity of the base (100) is evenly provided with guide rods (109), and the concave mold (104) is located on the outer wall of the guide rods (109).

5. The injection mold for easy cooling and demoulding according to claim 1, characterized in that: The sealing block (106) is arranged in a convex shape, and a sealing ring (110) is arranged on the left side wall of the sealing block (106).