Plastic mold with cooling structure

By installing a cooling device inside the plastic mold, using circulation pipes and brass inner blocks to transfer heat, and combining it with a water pump to circulate cold water, the problem of low cooling efficiency from the outside to the inside in the existing technology is solved, achieving efficient cooling inside the mold and preventing product cracking.

CN223573671UActive Publication Date: 2025-11-21DONGGUAN GUANGLIAN PLASTIC MOLD PROD
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Patent Information

Application Number
CN202422836779.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-11-21
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

Existing plastic molds have low efficiency in cooling from the outside in, resulting in poor cooling effect and making the products prone to cracking after processing.

Method used

Design a plastic mold with a cooling structure. By setting a cooling device inside the mold, heat is transferred through circulation pipes and brass inner blocks, and cold water is circulated by a water pump to cool the interior and prevent excessive shrinkage of the product.

Benefits of technology

This achieved efficient cooling inside the mold, preventing product cracking and improving cooling effect and product quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223573671U_ABST
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Abstract

The utility model belongs to the field of plastic molds, and particularly relates to a plastic mold with a cooling structure, which comprises a device main body, a cooling device is arranged on the surface of the device main body, the cooling device comprises a pressing plate, the bottom surface of the pressing plate is fixedly connected with an upper mold, the pressing plate is arranged on the surface of the device main body, and the upper mold is fixedly connected with the pressing plate. The bottom face of the upper die is fixedly connected with a sealing edge, and the bottom face of the upper die is fixedly connected with a connecting ring. According to the plastic mold with the cooling structure, when the mold needs to be cooled, an external water pump is connected, and water in the circulator is circulated through a water inlet pipe and a water outlet pipe, so that cold water in a circulating pipe is replaced in time, high temperature in the mold uniformly heats an inner supporting mold, heat is transmitted into the circulating water through a brass inner block, and the cooling effect is improved. Therefore, the temperature of the mold is reduced in time, the temperature is reduced in the mold, and excessive shrinkage of a product caused by external cooling can be effectively avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to plastic mould technical field, concretely is a plastic mould with cooling structure. BACKGROUND

[0002] Plastic mould is a kind of for the combination mould of pressure plastic, extrusion, injection, blow molding and low foaming and is the abbreviation of forming.The coordinated change of mould male die, female die and auxiliary forming system can process a series of plastic parts of different shapes and different sizes, and the plastic mould mainly includes the female die with variable cavity composed of female die combination base plate, female die assembly and female die combination clamping plate, and the male die with variable core composed of male die combination base plate, male die assembly, male die combination clamping plate, cavity truncation assembly and side section combination plate.

[0003] At present, in the prior art, most of the plastic moulds are cooled by water pipes on the outer surface of the mould, and the cooling efficiency from the outside to the inside is low, the product is separated from the cold source by the mould, so that the cooling effect is poor, and after processing, the high-temperature product is in contact with cold air, which can easily cause the product to crack.In view of this, we propose a plastic mould with cooling structure. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a plastic mould with cooling structure, which can solve the problems in the above technical background.

[0005] To achieve the above purpose, the utility model provides a plastic mould with cooling structure, which comprises a device main body, and a cooling device is arranged on the surface of the device main body.

[0006] The bottom surface of the pressing plate is fixedly connected with an upper mould, the pressing plate is arranged on the surface of the device main body, the bottom surface of the upper mould is fixedly connected with a sealing beam, the bottom surface of the upper mould is fixedly connected with a connecting ring, the surface of the connecting ring is sleeved with the inner wall of an inner support mould, the inner wall of the inner support mould is fixedly connected with a brass inner block, the inner wall of the inner support mould is rotatably connected with a fixed ring, the inner wall of the fixed ring is fixedly connected with a triangular clamping block, the surface of the fixed ring is fixedly connected with one end of a reed, and the other end of the reed is fixedly connected with the inner wall of the inner support mould.

[0007] Preferably, the inner wall of the brass inner block is sleeved with a circulating pipe, the two ends of the circulating pipe are fixedly connected with the bottom surface of a circulating device, the upper surface of the circulating device is fixedly connected with a water inlet pipe, and the upper surface of the circulating device is fixedly connected with a water outlet pipe.

[0008] Preferably, the device body comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a guide rod, the surface of the guide rod is slidably connected with a pressing plate, the upper surface of the bottom plate is fixedly connected with a lower mold, and the bottom surface of the bottom plate is fixedly connected with an injection port.

[0009] Preferably, the circulating pipe is provided with multiple groups, and the number of the circulating pipes is the same as the number of the inner grooves in the brass inner block.

[0010] Preferably, the surface of the connecting ring is provided with a triangular clamping block matched with the connecting ring, and the surface of the triangular clamping block is clamped with the inner wall of the connecting ring.

[0011] Preferably, the upper surface of the lower mold is provided with a sealing groove matched with the sealing beam.

[0012] Beneficial effects

[0013] The utility model provides a plastic mould with cooling structure. Have the following beneficial effects:

[0014] The plastic mould with cooling structure, when needing to replace different inner support moulds, the cooling device is set, pulls out the inner support mould outward, makes the extrusion of triangular clamping block and connecting ring, the rotation of fixed ring releases locking, when installing new inner support mould, pushes the inner support mould upward, makes the extrusion of triangular clamping block and the surface of connecting ring, the rotation of fixed ring compresses spring leaf, when installing is completed, spring leaf pushes the reset of fixed ring, makes triangular clamping block enter the fixing of connecting ring, and when needing to cool the mould, through the connection of external water pump, the circulation of water in the circulating device through the water inlet pipe and the water outlet pipe, the cold water of circulating pipe is replaced in time, the high temperature in the mould heats the inner support mould evenly, the heat is transmitted to the circulating water through the brass inner block, and is taken away by the water circulation, thereby the mould temperature is reduced in time, and the product is effectively prevented from excessive shrinkage due to external cooling. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in these drawings without creating labor.

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the part structure section structure schematic diagram of the utility model;

[0018] Figure 3The lower mold structure schematic diagram of the utility model shows;

[0019] Figure 4 The cooling device part structure section structure schematic diagram of the utility model shows;

[0020] Figure 5 The inner support mold section structure schematic diagram of the utility model shows;

[0021] Figure 6 The circulator structure schematic diagram of the utility model shows.

[0022] Explanation of reference numerals: 1, device main body;2, cooling device;101, bottom plate;102, guide rod;103, lower mold;104, injection port;201, pressing plate;202, upper mold;203, sealing ridge;204, connecting ring;205, inner support mold;206, brass inner block;207, fixing ring;208, triangular clamping block;209, reed;210, circulating pipe;211, circulator;212, water inlet pipe;213, water outlet pipe.

[0023] The utility model discloses the realization, functional characteristics and advantages will be further described with reference to the embodiment, the attached drawing. Specific implementation

[0024] The technical scheme in the utility model embodiment will be described clearly and completely in the utility model embodiment, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of the utility model protection.

[0025] Please refer to Figures 1-6 The utility model provides a kind of plastic mold with cooling structure, including device main body 1, device main body 1 includes bottom plate 101, the upper surface of bottom plate 101 is fixedly connected with guide rod 102, the surface of guide rod 102 is slidably connected with pressing plate 201, the upper surface of bottom plate 101 is fixedly connected with lower mold 103, the upper surface of lower mold 103 is equipped with sealing groove matched with sealing ridge 203, the bottom of bottom plate 101 is fixedly connected with injection port 104, the surface of device main body 1 is provided with cooling device 2, cooling device 2 includes:

[0026] The bottom surface of the pressing plate 201 is fixedly connected with an upper mold 202, the pressing plate 201 is arranged on the surface of the device main body 1, the bottom surface of the upper mold 202 is fixedly connected with a sealing ridge 203, the bottom surface of the upper mold 202 is fixedly connected with a connecting ring 204, the surface of the connecting ring 204 is sleeved with the inner wall of an inner supporting mold 205, the inner wall of the inner supporting mold 205 is fixedly connected with a brass inner block 206, the inner wall of the inner supporting mold 205 is rotatably connected with a fixing ring 207, the inner wall of the fixing ring 207 is fixedly connected with a triangular clamping block 208, the surface of the connecting ring 204 is provided with a triangular clamping block 208 matched with the triangular clamping block 208, and the surface of the triangular clamping block 208 is clamped with the inner wall of the connecting ring 204, the surface of the fixing ring 207 is fixedly connected with one end of a reed 209, the other end of the reed 209 is fixedly connected with the inner wall of the inner supporting mold 205, the inner wall of the brass inner block 206 is sleeved with a circulating pipe 210, the two ends of the circulating pipe 210 are fixedly connected with the bottom surface of a circulating device 211, the upper surface of the circulating device 211 is fixedly connected with a water inlet pipe 212, the upper surface of the circulating device 211 is fixedly connected with a water outlet pipe 213, the circulating pipe 210 is provided with multiple groups, and the number of the circulating pipe 210 is the same as the number of the inner groove of the brass inner block 206, through the cooling device 2, when different inner supporting molds 205 need to be replaced, the inner supporting mold 205 is pulled out, so that the triangular clamping block 208 is extruded with the connecting ring 204, the fixing ring 207 is rotated to be unlocked, when the new inner supporting mold 205 is installed, the inner supporting mold 205 is pushed upwards, so that the triangular clamping block 208 is extruded with the surface of the connecting ring 204, the fixing ring 207 is rotated to compress the reed 209, when the installation is completed, the reed 209 pushes the fixing ring 207 to reset, so that the triangular clamping block 208 is clamped into the connecting ring 204 to be fixed, and when the mold needs to be cooled, the external water pump is connected, the water in the circulating device 211 is circulated through the water inlet pipe 212 and the water outlet pipe 213, so that the cold water of the circulating pipe 210 is replaced in time, and the high temperature in the mold uniformly heats the inner supporting mold 205, the heat is transmitted to the circulating water through the brass inner block 206, and is taken away by the water flow, so that the mold temperature is reduced in time, and the internal cooling of the mold can effectively avoid the excessive shrinkage of the product caused by external cooling.

[0027] In the utility model, when needing to replace different inner support mould 205, the inner support mould 205 is pulled out outward, the triangular clamping block 208 is extruded with the connecting ring 204, the fixed ring 207 is rotated to release locking, when installing new inner support mould 205, the inner support mould 205 is pushed upward, the triangular clamping block 208 is extruded with the surface of the connecting ring 204, the fixed ring 207 is rotated to compress the spring piece 209, when installation is completed, the spring piece 209 pushes the fixed ring 207 to reset, the triangular clamping block 208 is clamped into the connecting ring 204 to complete fixing, when needing to cool the mould, through connecting the external water pump, the water in the circulator 211 is circulated through the water inlet pipe 212 and the water outlet pipe 213, so that cold water of the circulating pipe 210 is replaced in time, and the high temperature in the mould uniformly heats the inner support mould 205, and the heat is transmitted to the circulating water through the brass inner block 206 and is taken away by water circulation.

[0028] The above only is the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and the equivalent structural transformation of the utility model specification and the attached drawing contents, or direct / indirect application in other related technical fields under the inventive concept of the utility model are included in the patent protection range of the utility model.

Claims

1. A plastic mold with a cooling structure, comprising a device body (1), characterized in that: The surface of the device body (1) is provided with a cooling device (2), the cooling device (2) comprises: The bottom surface of the pressing plate (201) is fixedly connected with an upper mold (202), the pressing plate (201) is arranged on the surface of the device body (1), the bottom surface of the upper mold (202) is fixedly connected with a sealing ridge (203), the bottom surface of the upper mold (202) is fixedly connected with a connecting ring (204), the surface of the connecting ring (204) is sleeved with the inner wall of an inner supporting mold (205), the inner wall of the inner supporting mold (205) is fixedly connected with a brass inner block (206), the inner wall of the inner supporting mold (205) is rotatably connected with a fixed ring (207), the inner wall of the fixed ring (207) is fixedly connected with a triangular clamping block (208), the surface of the fixed ring (207) is fixedly connected with one end of a reed (209), the other end of the reed (209) is fixedly connected with the inner wall of the inner supporting mold (205).

2. The plastic mold with cooling structure according to claim 1, characterized in that: The inner wall of the brass inner block (206) is sleeved with a circulating pipe (210), the two ends of the circulating pipe (210) are fixedly connected with the bottom surface of a circulating device (211), the upper surface of the circulating device (211) is fixedly connected with a water inlet pipe (212), and the upper surface of the circulating device (211) is fixedly connected with a water outlet pipe (213).

3. The plastic mold with cooling structure according to claim 2, wherein: The device body (1) comprises a bottom plate (101), the upper surface of the bottom plate (101) is fixedly connected with a guide rod (102), the surface of the guide rod (102) is slidably connected with a pressing plate (201), the upper surface of the bottom plate (101) is fixedly connected with a lower mold (103), and the bottom surface of the bottom plate (101) is fixedly connected with an injection port (104).

4. The plastic mold with cooling structure according to claim 3, wherein: The circulating pipe (210) is provided in multiple groups, and the number of the circulating pipe (210) is the same as the number of the inner groove of the brass inner block (206).

5. The plastic mold with cooling structure according to claim 4, wherein: The surface of the connecting ring (204) is provided with a triangular clamping block (208) matched with the triangular clamping block (208), and the surface of the triangular clamping block (208) is clamped with the inner wall of the connecting ring (204).

6. The plastic mold with cooling structure according to claim 5, wherein: The upper surface of the lower mold (103) is provided with a sealing groove matched with the sealing ridge (203).