Pressing machine for extrusion molding of heat-conducting silica gel

By introducing hydraulic cylinders and cleaning mechanisms into the thermally conductive silicone extrusion molding press, the problem of dust adhesion on the surface of the press plate is solved, the pressing effect is improved, and high-quality thermally conductive silicone molding is achieved.

CN222571524UActive Publication Date: 2025-03-07CHONGQING HAENEL RUBBER & PLASTIC PROD CO LTD
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Patent Information

Application Number
CN202420606485.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-27
Publication Date
2025-03-07
Estimated Expiration
2034-03-27

AI Technical Summary

Technical Problem

During the extrusion and molding of thermally conductive silicone using a press machine, dust is prone to adhesion on the surface of the press plate, affecting the pressing effect.

Method used

A thermal silicone extrusion molding press is designed including a hydraulic cylinder, a moving mechanism and a cleaning mechanism. The hydraulic cylinder drives the press plate downward and sets up a cleaning mechanism. The driving gear and driven gear drive the cleaning brush plate to rotate by using the motor to clean the surface of the press plate when the brush plate is cleaned.

Benefits of technology

It effectively avoids dust adhesion on the surface of the pressing plate, improves the pressing effect, and ensures high-quality molding of thermally conductive silicone.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a material pressing machine for extrusion molding of heat-conducting silica gel, which relates to the technical field of material pressing machines and comprises a support, a material pressing barrel is fixedly mounted at the bottom of the inner side of the support, a hydraulic cylinder is fixedly mounted at the top of the support, and a material pressing plate is fixedly mounted at the output end of the hydraulic cylinder. A moving mechanism is arranged on the left side of the top of the support. A hydraulic air cylinder is arranged for driving a material pressing plate to move downwards, then the material pressing plate presses raw materials in a material pressing barrel, a moving mechanism is arranged for conveniently moving a cleaning mechanism, the situation that the cleaning mechanism disturbs the material pressing operation of the material pressing plate is avoided, and a motor is arranged for driving a driving gear to rotate; the driving gear drives the driven gear to rotate, the driven gear drives the cleaning brush disc to rotate, when the cleaning brush disc is located at the bottom of the material pressing plate, the cleaning brush disc cleans the surface of the material pressing plate, and the situation that dust is attached to the surface of the material pressing plate, and the material pressing effect of the material pressing plate on raw materials is affected is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of pressing machines, and in particular to a pressing machine for heat-conducting silicone rubber extrusion molding. Background Art

[0002] Thermally conductive silicone is a material used to fill the gaps between electronic components and improve the efficiency of heat conduction. "Silicone" usually refers to silica gel, which is a highly elastic polymer material. Thermally conductive silicone generally has good thermal conductivity and can effectively transfer the heat generated by electronic equipment to the radiator or other heat dissipation device, thereby reducing the temperature of the equipment and improving its reliability and stability. It is usually soft and has a certain viscosity, and can be easily filled in the tiny gaps between electronic components to reduce the air gap from hindering heat conduction. When processing thermally conductive silicone, it is necessary to press the material.

[0003] During the use of the pressing machine, the pressing plate is completely exposed to the air before pressing, which causes dust to adhere to the surface of the pressing plate and easily affects the pressing effect. Utility Model Content

[0004] The main purpose of the utility model is to provide a press for thermally conductive silicone extrusion molding, which can effectively solve the problems raised in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A press for extrusion molding of thermally conductive silicone, comprising a bracket, a press cylinder is fixedly installed at the bottom of the inner side of the bracket, a hydraulic cylinder is fixedly installed at the top of the bracket, a press plate is fixedly installed at the output end of the hydraulic cylinder, a moving mechanism is arranged on the left side of the top of the bracket, and a cleaning mechanism is arranged on the side of the moving mechanism close to the bracket;

[0007] The cleaning mechanism includes a movable plate, a motor is fixedly installed at the bottom of the movable plate, an output end of the motor extends to the top of the movable plate and is fixedly installed with a driving gear, a fixed bearing is fixedly installed inside the movable plate and on the right side of the motor, a rotating shaft is arranged on the inner side of the fixed bearing, a cleaning brush disk is fixedly installed on the top of the rotating shaft, a driven gear is fixedly installed on the surface of the rotating shaft, and the driving gear is meshed with the driven gear.

[0008] Preferably, the moving mechanism includes two sleeves, the sleeves are fixedly installed on the left side of the bracket, the sleeves are slidably connected to a moving plate inside, a vertical plate is fixedly installed on the left side of the moving plate, a convex plate is fixedly installed on the side of the vertical plate close to the movable plate, two limiting sliding grooves are provided on the side of the convex plate close to the movable plate, two limiting sliding blocks are fixedly installed on the side of the movable plate close to the convex plate, the two limiting sliding blocks are respectively located inside the limiting sliding grooves, and a handle is fixedly installed on the top of the vertical plate.

[0009] Preferably, evenly distributed positioning rods are fixedly installed on the top of the movable plate, a positioning plate is fixedly installed on one side of the convex plate, evenly distributed positioning holes are opened inside the positioning plate, the top of the positioning rods passes through the positioning holes, and a tension spring is fixedly installed on the bottom of the positioning plate, and the bottom of the tension spring is fixedly connected to the top of the movable plate.

[0010] Preferably, pressure plates are fixedly installed on the front and back sides of the movable plate, and two extrusion plates are fixedly installed on the top of the inner side of the bracket. The two extrusion plates are respectively located on the same vertical line with the pressure plates, and a slot is provided at the bottom of the extrusion plate, and the top of the pressure plate is adapted to the size of the slot.

[0011] Preferably, an inner plate is fixedly installed on the inner side of the fixed bearing, a fitting groove is opened inside the inner plate, a fitting block is fixedly installed on the surface of the rotating shaft, the fitting block is clamped in the inside of the fitting groove, and a fixing nut is threadedly connected to the surface of the fitting block and at the bottom of the fitting groove.

[0012] Preferably, a circular baffle is fixedly mounted on the surface of the rotating shaft and located on the top of the fitting block, and the circular baffle is clamped on the top of the inner plate.

[0013] Preferably, two reinforcement rods are fixedly installed on the left side of the top of the bracket, and reinforcement plates are fixedly installed on both sides of the reinforcement rods, and the bottoms of the reinforcement plates are fixedly connected to the sleeve and the bracket respectively.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] A hydraulic cylinder is provided to drive the pressing plate to move downward, so that the pressing plate presses the raw materials inside the pressing barrel; a moving mechanism is provided to facilitate the movement of the cleaning mechanism to prevent the cleaning mechanism from interfering with the pressing operation of the pressing plate; a motor is provided to drive the driving gear to rotate, so that the driving gear drives the driven gear to rotate, and the driven gear drives the cleaning brush disk to rotate; when the cleaning brush disk is located at the bottom of the pressing plate, the cleaning brush disk cleans the surface of the pressing plate to prevent dust from adhering to the surface of the pressing plate and affecting the pressing effect of the pressing plate on the raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a three-dimensional schematic diagram of the structure of the moving mechanism in the utility model;

[0018] Figure 3 It is a three-dimensional schematic diagram of the cleaning mechanism structure in the utility model;

[0019] Figure 4 It is a three-dimensional schematic diagram of the positioning rod and positioning plate structure in the utility model;

[0020] Figure 5 It is a three-dimensional schematic diagram of the pressure plate and the extrusion plate structure in the utility model;

[0021] Figure 6 It is a three-dimensional schematic diagram of the reinforcing rod structure in the utility model.

[0022] In the figure: 1. bracket; 2. pressing barrel; 3. hydraulic cylinder; 4. pressing plate; 5. moving mechanism; 501. sleeve; 502. moving plate; 503. vertical plate; 504. convex plate; 505. limiting slide groove; 506. limiting slide block; 507. handle; 6. cleaning mechanism; 601. movable plate; 602. motor; 603. driving gear; 604. fixed bearing; 605. rotating shaft; 606. driven gear; 607. cleaning brush plate; 7. pressure plate; 8. extrusion plate; 9. slot; 10. positioning rod; 11. positioning plate; 12. tension spring; 13. inner plate; 14. fitting groove; 15. fitting block; 16. fixing nut; 17. reinforcement rod; 18. reinforcement plate. DETAILED DESCRIPTION

[0023] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1 As shown in FIG. 3 , a press machine for extrusion molding of thermally conductive silicone comprises a bracket 1, a press cylinder 2 is fixedly installed at the bottom of the inner side of the bracket 1, a hydraulic cylinder 3 is fixedly installed at the top of the bracket 1, a press plate 4 is fixedly installed at the output end of the hydraulic cylinder 3, a moving mechanism 5 is arranged on the left side of the top of the bracket 1, and a cleaning mechanism 6 is arranged on the side of the moving mechanism 5 close to the bracket 1;

[0025] The cleaning mechanism 6 includes a movable plate 601, a motor 602 is fixedly installed at the bottom of the movable plate 601, the output end of the motor 602 extends to the top of the movable plate 601 and is fixedly installed with a driving gear 603, a fixed bearing 604 is fixedly installed inside the movable plate 601 and on the right side of the motor 602, a rotating shaft 605 is arranged on the inner side of the fixed bearing 604, a cleaning brush disc 607 is fixedly installed on the top of the rotating shaft 605, a driven gear 606 is fixedly installed on the surface of the rotating shaft 605, and the driving gear 603 is meshed with the driven gear 606.

[0026] The effects achieved by the above components are as follows: by setting a hydraulic cylinder 3 to drive the pressing plate 4 to move downward, the pressing plate 4 performs a pressing operation on the raw materials inside the pressing barrel 2; by setting a moving mechanism 5, it is convenient to move the cleaning mechanism 6 to avoid the cleaning mechanism 6 interfering with the pressing operation of the pressing plate 4; by setting a motor 602 to drive the active gear 603 to rotate, the active gear 603 drives the driven gear 606 to rotate, and the driven gear 606 drives the cleaning brush plate 607 to rotate; when the cleaning brush plate 607 is located at the bottom of the pressing plate 4, the cleaning brush plate 607 cleans the surface of the pressing plate 4 to avoid dust adhering to the surface of the pressing plate 4 and affecting the pressing effect of the pressing plate 4 on the raw materials.

[0027] like Figure 2 As shown in FIG. 3 , the moving mechanism 5 includes two sleeves 501, which are fixedly installed on the left side of the bracket 1. The sleeve 501 is slidably connected to a moving plate 502 inside. A vertical plate 503 is fixedly installed on the left side of the moving plate 502. A convex plate 504 is fixedly installed on the side of the vertical plate 503 close to the movable plate 601. Two limiting grooves 505 are provided on the side of the convex plate 504 close to the movable plate 601. Two limiting sliders 506 are fixedly installed on the side of the movable plate 601 close to the convex plate 504. The two limiting sliders 506 are respectively located inside the limiting grooves 505. A handle 507 is fixedly installed on the top of the vertical plate 503.

[0028] The effect achieved by the above-mentioned components is: by setting the handle 507, it is convenient to move the vertical plate 503, and then the vertical plate 503 drives the cleaning mechanism 6 to move, so that the cleaning brush plate 607 moves to the bottom of the pressing plate 4 to clean the pressing plate 4, and with the cooperation of the limiting slide groove 505 and the limiting slider 506, the movable plate 601 is limited to prevent the movable plate 601 from shifting, thereby further improving the cleaning effect of the cleaning brush plate 607 on the pressing plate 4.

[0029] like Figure 4As shown, evenly distributed positioning rods 10 are fixedly installed on the top of the movable plate 601, and a positioning plate 11 is fixedly installed on one side of the convex plate 504. Evenly distributed positioning holes are opened inside the positioning plate 11, and the top of the positioning rods 10 passes through the positioning holes. A tension spring 12 is fixedly installed on the bottom of the positioning plate 11, and the bottom of the tension spring 12 is fixedly connected to the top of the movable plate 601.

[0030] The effect achieved by the above-mentioned components is: by setting the positioning rod 10 and the positioning plate 11 to cooperate with each other to position the movable plate 601, the movable plate 601 is prevented from being offset and shaking, which affects the cleaning effect of the pressing plate 4. Under the action of the tension spring 12, the movable plate 601 is pulled upward, thereby driving the cleaning brush plate 607 to fit closely with the pressing plate 4, thereby improving the cleaning effect of the cleaning brush plate 607 on the pressing plate 4.

[0031] like Figure 5 As shown, pressure plates 7 are fixedly installed on the front and back of the movable plate 601, and two extrusion plates 8 are fixedly installed on the top of the inner side of the bracket 1. The two extrusion plates 8 are located on the same vertical line with the pressure plate 7, and a slot 9 is provided at the bottom of the extrusion plate 8. The top of the pressure plate 7 is adapted to the size of the slot 9.

[0032] The effect achieved by the above components is: by setting the pressure plate 7, the extrusion plate 8 and the card slot 9 to cooperate with each other to position the movable plate 601, and then to position the cleaning brush plate 607, so that the cleaning brush plate 607 is located just below the pressing plate 4, thereby improving the cleaning effect of the cleaning brush plate 607 on the pressing plate 4.

[0033] like Figure 3 As shown, an inner plate 13 is fixedly installed on the inner side of the fixed bearing 604, a fitting groove 14 is opened inside the inner plate 13, a fitting block 15 is fixedly installed on the surface of the rotating shaft 605, the fitting block 15 is clamped in the inside of the fitting groove 14, and a fixing nut 16 is threadedly connected on the surface of the fitting block 15 and at the bottom of the fitting groove 14.

[0034] The effects achieved by the above components are: by setting the inner plate 13, the fitting groove 14 and the fitting block 15 to cooperate with each other, it is convenient to install and disassemble the rotating shaft 605, and to replace the cleaning brush disk 607, so as to effectively clean the pressure plates 4 of different sizes, remove the fixing nut 16 from the surface of the rotating shaft 605, and then move the rotating shaft 605 upward, so that the fitting block 15 is completely separated from the inside of the fitting groove 14, remove the cleaning brush disk 607, and then replace it with a different cleaning brush disk 607.

[0035] like Figure 3 As shown, a circular baffle is fixedly installed on the surface of the rotating shaft 605 and located on the top of the fitting block 15, and the circular baffle is clamped on the top of the inner plate 13.

[0036] The effect achieved by the above components is: by setting a circular baffle to limit the rotating shaft 605, the fitting block 15 is completely engaged with the inside of the fitting groove 14, thereby improving the stability of the rotating shaft 605 during rotation, further improving the rotation stability of the cleaning brush disk 607, and improving the cleaning effect of the cleaning brush disk 607 on the pressing plate 4.

[0037] like Figure 6 As shown, two reinforcing rods 17 are fixedly installed on the left side of the top of the bracket 1, and reinforcing plates 18 are fixedly installed on both sides of the reinforcing rods 17. The bottoms of the reinforcing plates 18 are fixedly connected to the sleeve 501 and the bracket 1 respectively.

[0038] The effects achieved by the above components are: by arranging the reinforcing rod 17 and the reinforcing plate 18 to cooperate with each other to reinforce the sleeve 501, the stability of the sleeve 501 is improved, and then the stability of the entire moving mechanism 5 during operation is improved.

[0039] The working principle of a thermal conductive silicone extrusion press:

[0040] The handle 507 facilitates the movement of the vertical plate 503, and the vertical plate 503 drives the cleaning mechanism 6 to move, so that the cleaning brush plate 607 moves to the bottom of the pressing plate 4, and the motor 602 drives the active gear 603 to rotate, and the active gear 603 drives the driven gear 606 to rotate, and the driven gear 606 drives the cleaning brush plate 607 to rotate, and the cleaning brush plate 607 cleans the surface of the pressing plate 4 to prevent dust from adhering to the surface of the pressing plate 4 and affecting the pressing effect of the pressing plate 4 on the raw materials.

[0041] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the protection scope of the present invention.

Claims

1. A press for extruding thermally conductive silicone, comprising a bracket (1), characterized in that: A material pressing cylinder (2) is fixedly mounted on the bottom of the inner side of the support (1), a hydraulic cylinder (3) is fixedly mounted on the top of the support (1), a material pressing plate (4) is fixedly mounted on the output end of the hydraulic cylinder (3), a moving mechanism (5) is arranged on the left side of the top of the support (1), and a cleaning mechanism (6) is arranged on the side of the moving mechanism (5) close to the support (1); The cleaning mechanism (6) comprises a movable plate (601), a motor (602) is fixedly mounted at the bottom of the movable plate (601), an output end of the motor (602) extends to the top of the movable plate (601) and is fixedly mounted with a driving gear (603), a fixed bearing (604) is fixedly mounted inside the movable plate (601) and on the right side of the motor (602), a rotating shaft (605) is arranged on the inner side of the fixed bearing (604), a cleaning brush disc (607) is fixedly mounted on the top of the rotating shaft (605), a driven gear (606) is fixedly mounted on the surface of the rotating shaft (605), and the driving gear (603) is meshed with the driven gear (606).

2. A thermally conductive silicone extrusion molding press according to claim 1, characterized in that: The moving mechanism (5) comprises two sleeves (501), the sleeves (501) are fixedly mounted on the left side of the bracket (1), a moving plate (502) is slidably connected inside the sleeve (501), a vertical plate (503) is fixedly mounted on the left side of the moving plate (502), a convex plate (504) is fixedly mounted on the side of the vertical plate (503) close to the movable plate (601), two limiting sliding grooves (505) are provided on the side of the convex plate (504) close to the movable plate (601), two limiting sliding blocks (506) are fixedly mounted on the side of the movable plate (601) close to the convex plate (504), the two limiting sliding blocks (506) are respectively located inside the limiting sliding grooves (505), and a handle (507) is fixedly mounted on the top of the vertical plate (503).

3. A thermally conductive silicone extrusion molding press according to claim 2, characterized in that: The top of the movable plate (601) is fixedly mounted with uniformly distributed positioning rods (10), one side of the convex plate (504) is fixedly mounted with a positioning plate (11), the interior of the positioning plate (11) is provided with uniformly distributed positioning holes, the top of the positioning rods (10) passes through the positioning holes, the bottom of the positioning plate (11) is fixedly mounted with a tension spring (12), and the bottom of the tension spring (12) is fixedly connected to the top of the movable plate (601).

4. A thermally conductive silicone extrusion molding press according to claim 1, characterized in that: The front and back sides of the movable plate (601) are fixedly mounted with pressure plates (7), and the top of the inner side of the bracket (1) is fixedly mounted with two extrusion plates (8), the two extrusion plates (8) are respectively located on the same vertical line as the pressure plate (7), and a slot (9) is provided at the bottom of the extrusion plate (8), and the top of the pressure plate (7) is adapted to the size of the slot (9).

5. The press for thermally conductive silicone extrusion molding according to claim 1, characterized in that: An inner plate (13) is fixedly installed on the inner side of the fixed bearing (604), a fitting groove (14) is provided inside the inner plate (13), a fitting block (15) is fixedly installed on the surface of the rotating shaft (605), the fitting block (15) is snap-fitted into the inside of the fitting groove (14), and a fixing nut (16) is threadedly connected on the surface of the fitting block (15) and located at the bottom of the fitting groove (14).

6. A thermally conductive silicone extrusion molding press according to claim 1, characterized in that: A circular baffle is fixedly mounted on the surface of the rotating shaft (605) and located on the top of the fitting block (15), and the circular baffle is clamped on the top of the inner plate (13).

7. A thermally conductive silicone extrusion molding press according to claim 1, characterized in that: Two reinforcement rods (17) are fixedly installed on the left side of the top of the bracket (1), and reinforcement plates (18) are fixedly installed on both sides of the reinforcement rods (17), and the bottoms of the reinforcement plates (18) are respectively fixedly connected to the sleeve (501) and the bracket (1).