Temperature control structure for silica gel injection mold

By introducing guide pillars, demolding structures, and temperature control structures into silicone injection molds, the problems of temperature control and demolding in silicone injection molds have been solved, enabling uniform molding and convenient demolding of silicone products and improving production efficiency.

CN223559008UActive Publication Date: 2025-11-18DONGGUAN MINGRUI PRECISION COMPONENTS CO LTD
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Patent Information

Application Number
CN202422937101.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-11-18
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

Existing silicone injection molds are difficult to use for temperature control and quick demolding, resulting in uneven molding of silicone products and low production efficiency.

Method used

A temperature control structure was designed, which includes a lower mold base, guide pillars, an upper mold base, a demolding structure, and a constant temperature structure. Temperature control is achieved through heating tubes and temperature sensors, and demolding is achieved through a demolding spring.

Benefits of technology

It enables uniform molding and easy demolding of silicone products, improving production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223559008U_ABST
    Figure CN223559008U_ABST
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Abstract

The utility model relates to the technical field of injection molds, and provides a temperature control structure for a silica gel injection mold. Guide columns are evenly fixed to the top end of the lower mold base, an upper mold base is arranged above the lower mold base, through holes are evenly formed in the corners of the upper mold base, and a demolding structure is arranged in the lower mold base. The constant temperature structure is arranged, liquid is stored in the water storage tank, the heating pipe installed at the top end of the heating base is used for heating the liquid and transferring the liquid to the interior of the lower die base to evenly heat the liquid, the heating pipe is protected through the protection pipe sleeve, and the heating pipe is prevented from being damaged in the using process; and the temperature sensor is arranged in the lower mold base, so that the temperature in the lower mold base is monitored, and the heating pipe is controlled through the external single chip microcomputer, so that the temperature in the lower mold base is controlled, and the aim of improving the silica gel injection molding effect through temperature control is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field especially relates to a temperature control structure for silica gel injection mold. BACKGROUND

[0002] With the development of the era, people use various silica gel products more and more widely, and in the process of producing in order to protect the consistency of the product and batch production, and then the use of injection mold is essential;

[0003] Therefore, the patent with the publication number CN208035280U discloses a silica gel injection mold, which is composed of an upper mold plate and a lower mold plate. The lower mold plate is connected with the locking hole of the upper mold plate through the embedded buckle. The embedded buckle is located on the four ends of the end plate surface of the lower mold plate. The first fixed through hole is arranged between the embedded buckles of the four ends of the lower mold plate. The locking bracket is arranged on the bottom end of the side wall of the lower mold plate. The locking bracket is rotatably connected with the bottom end of the side wall of the lower mold plate through the rotating shaft. The locking bracket is composed of an embedded piece and a rotating bracket. The embedded piece and the rotating bracket are integrally formed by forging. The fixed hole is arranged on the embedded piece. The mold groove is arranged on the center plate surface of one end of the lower mold plate. The locking hole is located on the four ends of the upper mold plate. The second fixed through hole is arranged between the locking holes of the four ends of the upper mold plate. The locking bracket of the rotating structure can ensure the locking between the upper mold plate and the lower mold plate. It solves the problem of lack of locking measuring device between traditional mold plates, which leads to the overflow of silica gel liquid and the occurrence of burr of processed silica gel.

[0004] The mold is difficult to ensure the uniformity of the temperature inside during use, which makes it difficult to ensure that the molding speed of the silica gel at different positions is the same, thereby failing to meet the actual use requirements, and inconvenient to quickly remove the material during use, thereby limiting the production process. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a temperature control structure for silica gel injection mold, which solves the defects of inconvenient temperature control and quick demolding of the existing silica gel injection mold.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a temperature control structure for silica gel injection mold, which comprises a lower mold base and a guide column.

[0007] The top end of the lower mold base is uniformly fixed with a guide column. An upper mold base is arranged above the lower mold base. A through hole is uniformly arranged at the corner position of the upper mold base. A demolding structure is arranged in the lower mold base.

[0008] The top end of the upper die seat is uniformly provided with a feeding port, and the top end of the upper die seat away from the feeding port is uniformly provided with an exhaust hole.

[0009] The constant temperature structure comprises a water storage tank, a heating seat, a heating pipe, a protective pipe sleeve and a temperature sensor, the water storage tank is arranged in the lower die seat, the heating seat is uniformly arranged in the water storage tank, the heating pipe is arranged at the top end of the heating seat, the protective pipe sleeve is arranged at the outer side of the heating pipe at the top end of the heating seat, and the temperature sensor is arranged at the bottom end in the lower die seat.

[0010] Preferably, the demolding structure comprises a lower die plate, a fixing rod, a limiting groove and a demolding spring, the lower die plate is arranged in the lower die seat, the fixing rod is uniformly arranged on the outer wall of the lower die plate, the limiting groove is uniformly arranged in the lower die seat, and the demolding spring is uniformly arranged at the bottom end of the lower die plate.

[0011] Preferably, the fixing rods are equidistantly distributed on the outer wall of the lower die plate, and the limiting grooves are equidistantly distributed in the lower die seat.

[0012] Preferably, the fixing rods are arranged in the limiting grooves, and the lower die plate and the limiting groove are slidably connected through the fixing rods.

[0013] Preferably, the demolding springs are symmetrically distributed at the bottom end of the lower die plate, and the demolding spring away from the lower die plate is fixedly connected with the bottom end in the lower die seat.

[0014] Preferably, the heating seats are equidistantly distributed in the water storage tank.

[0015] Preferably, the temperature sensor is externally connected with a single-chip microcomputer, and the output end of the single-chip microcomputer is electrically connected with the input end of the heating pipe.

[0016] The temperature control structure for the silica gel injection mold has the advantages that:

[0017] The constant temperature structure is arranged, liquid is stored in the water storage tank, the heating pipe arranged at the top end of the heating seat heats the liquid and transmits the liquid to the inside of the lower die seat for uniform heating, the heating pipe is protected by the protective pipe sleeve to prevent damage during use, the temperature sensor is arranged in the lower die seat to monitor the temperature in the lower die seat, the single-chip microcomputer externally connected with the temperature sensor is used to control the heating pipe, and thus the temperature in the lower die seat is controlled, so that the temperature control increases the silica gel injection molding effect.

[0018] Through setting the demolding structure, the lower mold plate is extruded to the bottom of the lower mold base through the fixing rod in the process of installing and positioning the upper mold base, the demolding spring is fixed at the bottom end of the lower mold plate, the lower mold plate is always moved upward by the elastic force of the demolding spring, and then the demolding spring pushes out the upper mold base after the upper mold base is removed, so that the silicone product shaped at the top end is taken out, so that the purpose of automatic demolding is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is a bottom view three-dimensional structure schematic diagram of the utility model;

[0021] Figure 3 It is a side view cross section three-dimensional structure schematic diagram of the utility model;

[0022] Figure 4 It is a partial cross section three-dimensional structure schematic diagram of the utility model;

[0023] Figure 5 It is a front view three-dimensional structure schematic diagram of the utility model.

[0024] The reference signs in the drawing are explained as follows: 1, lower mold base; 2, guide column; 3, upper mold base; 4, through hole; 5, demolding structure; 501, lower mold plate; 502, fixing rod; 503, limiting groove; 504, demolding spring; 6, feeding port; 7, exhaust hole; 8, fastening nut; 9, constant temperature structure; 901, water storage tank; 902, heating seat; 903, heating pipe; 904, protective pipe sleeve; 905, temperature sensor. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-5 The utility model provides a temperature control structure for silica gel injection mold, including lower mold base 1 and guide column 2.

[0027] Refer to Figures 2-4As shown, the top end of the lower mold base 1 is uniformly fixed with a guide column 2, the upper mold base 3 is arranged above the lower mold base 1, the upper mold base 3 is uniformly provided with a through hole 4 at the corner position, the inside of the lower mold base 1 is provided with a demolding structure 5, the demolding structure 5 comprises a lower mold plate 501, a fixing rod 502, a limiting groove 503 and a demolding spring 504, the lower mold plate 501 is arranged in the inside of the lower mold base 1, the outer wall of the lower mold plate 501 is uniformly fixed with the fixing rod 502, the limiting groove 503 is uniformly arranged in the inside of the lower mold base 1, the bottom end of the lower mold plate 501 is uniformly fixed with the demolding spring 504, the fixing rod 502 is equidistantly distributed on the outer wall of the lower mold plate 501, the limiting groove 503 is equidistantly distributed in the inside of the lower mold base 1, the fixing rod 502 is arranged in the inside of the limiting groove 503, the lower mold plate 501 and the limiting groove 503 are slidably connected through the fixing rod 502, the demolding spring 504 is symmetrically distributed at the bottom end of the lower mold plate 501, and the end of the demolding spring 504 away from the lower mold plate 501 is fixedly connected with the bottom end in the inside of the lower mold base 1.

[0028] After the production of the silica gel product by using the injection mold is completed, it needs to be taken out, and the traditional mold is difficult to conveniently take out after the production is completed, so that the lower mold plate 501 is slidably connected with the limiting groove 503 through the fixing rod 502 in the inside of the lower mold base 1, and the lower mold plate 501 is moved upward in the inside of the lower mold base 1 by the elastic force of the demolding spring 504, and the lower mold plate 501 is moved downward by extruding the fixing rod 502 in the process that the upper mold base 3 is arranged on the outer wall of the guide column 2 through the through hole 4 and is moved downward, and when the upper mold base 3 is lifted and removed after the production is completed, the lower mold plate 501 is pushed out by the demolding spring 504, so that the product at the top end of the lower mold plate 501 is conveniently taken out, thereby greatly increasing the functionality of the device.

[0029] Referring to Figures 3-5 As shown, the top end of the upper mold base 3 is uniformly provided with a feeding port 6, the side of the top end of the upper mold base 3 away from the feeding port 6 is uniformly provided with an exhaust hole 7, the outer wall of the guide column 2 is uniformly provided with a fastening nut 8, the inside of the lower mold base 1 is provided with a constant temperature structure 9, the constant temperature structure 9 comprises a water storage groove 901, a heating seat 902, a heating pipe 903, a protective pipe sleeve 904 and a temperature sensor 905, the water storage groove 901 is arranged in the inside of the lower mold base 1, the inside of the water storage groove 901 is uniformly provided with the heating seat 902, the top end of the heating seat 902 is uniformly provided with the heating pipe 903, the outer side of the heating pipe 903 at the top end of the heating seat 902 is uniformly provided with the protective pipe sleeve 904, and the temperature sensor 905 is arranged at the bottom end in the inside of the lower mold base 1. The heating seats 902 are equidistantly distributed in the inside of the water storage groove 901, the temperature sensor 905 is connected with a single-chip microcomputer, and the output end of the single-chip microcomputer is connected with the input end of the heating pipe 903 through wires.

[0030] In the process of injection molding production of silica gel product, in order to make its product uniform forming, and then need to make the temperature inside the lower die seat 1 uniform and constant, so as to need to control the temperature inside the lower die seat 1, so as to set up constant temperature structure 9, make the inside of lower die seat 1 is provided with water storage tank 901, and the liquid inside the water storage tank 901 is heated by heating pipe 903, so that it transmits heat to the inside of lower die seat 1, and temperature sensor 905 is convenient for monitoring the temperature inside the lower die seat 1, and controlling the start of heating pipe 903, etc., thereby realizing the internal temperature control of lower die seat 1, thereby increasing the efficiency of injection molding, thereby greatly increasing the practicability of the device.

[0031] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A temperature control structure for silicone injection mold, comprising a lower mold base (1) and a guide column (2); Its characterized in that: The top of the lower mold base (1) is uniformly fixed with the guide column (2), the upper mold base (3) is arranged above the lower mold base (1), the through holes (4) are uniformly arranged at the corner positions of the upper mold base (3), and the demolding structure (5) is arranged in the lower mold base (1). The top of the upper mold base (3) is uniformly provided with the feeding port (6), the exhaust hole (7) is uniformly arranged on the side away from the feeding port (6) of the top of the upper mold base (3), the fastening nut (8) is arranged on the outer wall of the guide column (2), and the constant temperature structure (9) is arranged in the lower mold base (1). The constant temperature structure (9) comprises a water storage tank (901), a heating seat (902), a heating pipe (903), a protective pipe sleeve (904) and a temperature sensor (905), the water storage tank (901) is arranged in the lower mold base (1), the heating seat (902) is uniformly arranged in the water storage tank (901), the heating pipe (903) is arranged at the top of the heating seat (902), the protective pipe sleeve (904) is arranged on the outer side of the heating pipe (903) at the top of the heating seat (902), and the temperature sensor (905) is arranged at the bottom of the lower mold base (1).

2. The temperature control structure for a silicone injection mold according to claim 1, characterized by: The demolding structure (5) comprises a lower mold plate (501), a fixing rod (502), a limiting groove (503) and a demolding spring (504), the lower mold plate (501) is arranged in the lower mold base (1), the fixing rod (502) is uniformly arranged on the outer wall of the lower mold plate (501), the limiting groove (503) is uniformly arranged in the lower mold base (1), and the demolding spring (504) is uniformly arranged at the bottom of the lower mold plate (501).

3. The temperature control structure for a silicone injection mold according to claim 2, characterized by: The fixing rods (502) are distributed at equal intervals on the outer wall of the lower mold plate (501), and the limiting grooves (503) are distributed at equal intervals in the lower mold base (1).

4. The temperature control structure for a silicone injection mold according to claim 2, characterized by: The fixing rods (502) are arranged in the limiting grooves (503), and the lower mold plate (501) and the limiting groove (503) are slidably connected through the fixing rod (502).

5. The temperature control structure for a silicone injection mold according to claim 2, characterized by: The demolding springs (504) are symmetrically arranged at the bottom of the lower mold plate (501), and one end of the demolding spring (504) away from the lower mold plate (501) is fixedly connected with the bottom of the lower mold base (1).

6. The temperature control structure for a silicone injection mold according to claim 1, wherein: The heating seats (902) are distributed at equal intervals in the water storage tank (901).

7. The temperature control structure for a silicone injection mold according to claim 1, wherein: The temperature sensor (905) is connected with the single-chip microcomputer, and the output end of the single-chip microcomputer is connected with the input end of the heating pipe (903) through wires.

Citation Information

Patent Citations

  • Silica gel injection mold

    CN208035280U