Debubbling equipment for heat-conducting silica gel sheet

By using the spiked rollers and servo motor drive structure of the thermal conductive silicone sheet de-bubble equipment, automated bubble removal is achieved, solving the bubble problem in the production of thermal conductive silicone sheets, improving production efficiency and quality, and reducing labor costs.

CN223686035UActive Publication Date: 2025-12-19DONGGUAN SHUNZHAO ELECTRONIC PLASTIC TECH CO LTD
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Patent Information

Application Number
CN202520263959.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2025-12-19
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

Air bubbles are difficult to remove effectively during the production of thermal conductive silicone pads, resulting in uneven surfaces, uneven thickness in some areas, and poor strength, which affects the performance. Traditional manual methods for removing air bubbles are inefficient and complicated.

Method used

Design a device for removing air bubbles from thermally conductive silicone sheets. It adopts a threaded screw structure driven by a spiked roller and a servo motor. The spikes puncture and expel air bubbles. Combined with hydraulic support legs for height adjustment and a rotary motor drive, it achieves automated air bubble removal.

Benefits of technology

It improves the production efficiency of thermally conductive silicone sheets, reduces labor costs, enhances processing quality and expands the equipment's applicability, and is suitable for silicone sheets of different thicknesses.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a heat conduction silica gel sheet bubble removing device which comprises a device cabinet, a working table is arranged on the upper surface of the device cabinet, hydraulic supporting legs are fixedly installed at the four corners of the upper surface of the working table through fixing bolts, and an upper machine frame is fixedly installed between the top ends of output rods of the four hydraulic supporting legs. A threaded lead screw is fixedly installed in the upper rack through a bearing, the threaded lead screw is sleeved with a threaded female base, a lower connecting column is fixedly installed in the center of the lower surface of the threaded female base, a roller body support is fixedly installed at the bottom end of the lower connecting column, and a spike roller is rotationally installed in the roller body support through a rotating shaft. According to the bubble removing device, bubbles in a heat-conducting silica gel sheet base material can be effectively punctured through the rotating sharp licker-in roller and the sharp licker-in pieces, so that puncturing exhaust treatment of the bubbles of the silica gel sheet base material is achieved, and the efficient bubble removing effect of heat-conducting silica gel sheet production is effectively improved; and the debubbling product processing and using performance is good.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heat conducting silica gel sheet, concretely to a heat conducting silica gel sheet bubble removing equipment. BACKGROUND

[0002] Silica gel is a transparent or milky white granular solid with an open porous structure, which gives it strong adsorption capacity. Silica gel has very high adsorption performance and can adsorb a variety of substances. It is chemically stable and insoluble in water and any solvent except hydrogen fluoride acid and strong alkali. In addition, silica gel has high mechanical strength and thermal stability, and can remain stable at high and low temperatures;

[0003] Heat conducting silica gel is a silica-based material formed by adding specific conductive fillers to silicone rubber. It has high thermal conductivity and is widely used in electronic devices and industrial applications that require efficient heat dissipation. Heat conducting silica gel is mainly used to fill the gap between electronic devices and heat sinks, increase the contact area, and reduce thermal resistance to improve heat dissipation efficiency;

[0004] Heat conducting silica gel can be divided into different products according to different use conditions, such as heat conducting silica gel sheet and heat conducting silica gel ring. During the production process of heat conducting silica gel sheet, many bubbles may be generated inside the silica gel matrix. If these bubbles are not removed, the surface of the heat conducting silica gel sheet may be uneven and the local thickness may be uneven during the later processing and use, which may cause local strength difference of the silica gel sheet or local collapse deformation during later use, affecting normal use. The traditional bubble removing process is manual bubble picking and air exhausting, which is time-consuming and complex, seriously affecting production efficiency. Therefore, the utility model provides a heat conducting silica gel sheet bubble removing equipment. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a heat conducting silica gel sheet bubble removing equipment to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a heat conducting silica gel sheet bubble removing equipment, comprising an equipment cabinet, the upper surface of the equipment cabinet is provided with a workbench, the workbench is designed as a horizontal plane structure, hydraulic legs are fixedly installed at the upper surface of the workbench through fixing bolts at four corners, an upper rack is fixedly installed between the top ends of the output rods of the four hydraulic legs, a threaded lead screw is fixedly installed in the interior of the upper rack through a bearing, a threaded female seat is sleeved on the threaded lead screw, the threaded lead screw and the threaded female seat are threadedly connected, a lower connecting column is fixedly installed at the center of the lower surface of the threaded female seat, a roller body support is fixedly installed at the bottom end of the lower connecting column, a thorn roller is rotatably installed in the roller body support through a rotating shaft, a plurality of thorn pieces are uniformly distributed on the outer surface of the thorn roller.

[0007] Preferably, one end of the threaded screw rod is fixedly connected with an output shaft of a servo motor, and the servo motor is fixedly installed on one side outer wall of the upper rack through bolts.

[0008] Preferably, a rotating motor is fixedly installed on one side outer wall of the roller body support through bolts, and an output shaft of the rotating motor is fixedly connected with a shaft body of the thorn roller.

[0009] Preferably, guide grooves are formed in the inner walls of the two sides of the upper rack, and the guide grooves are linear transverse groove structures.

[0010] Preferably, guide sliding plates are fixedly installed on the outer walls of the two ends of the threaded female seat, and the top ends of the two guide sliding plates are slidably connected with the guide grooves on the two sides.

[0011] Preferably, a cabinet door is hingedly connected to the front outer surface of the equipment cabinet through a hinge, and support legs are fixedly installed at the bottom corners of the equipment cabinet through bolts.

[0012] Compared with the prior art, the device has the following beneficial effects:

[0013] In actual use, the bubbles inside the bubble heat-conducting silica gel sheet base material can be effectively punctured by the rotating thorn roller and thorn piece, so as to achieve the puncture and exhaust treatment of the silica gel base material bubbles, effectively improve the high-efficiency bubble removal effect of the heat-conducting silica gel sheet production, have good bubble removal product processing performance, and greatly improve the work processing efficiency, reduce the labor resource cost investment, and improve the economic benefit of enterprises.

[0014] Meanwhile, the bubble removal roller body structure can be linearly displaced left and right under the action of the threaded driving structure, so as to effectively improve the actual processing coverage range of the bubble removal processing roller body, have the roller body full-coverage bubble removal processing use effect, and effectively improve the overall processing quality of the equipment.

[0015] The working height of the thorn roller and the thorn piece can be dynamically adjusted through the telescopic action of the hydraulic support leg, and in actual use, the dynamic adjustment of the working height can have the actual use effect that the puncture depth of the thorn piece can be dynamically adjusted, so as to be suitable for bubble removal processing of heat-conducting silica gel sheet base materials of different thicknesses, have good application range, effectively reduce the use limitation, and improve the use effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front perspective structure schematic view of the bubble removal equipment of the utility model embodiment.

[0017] Figure 2The utility model discloses a workbench upper surface assembly structure schematic diagram of embodiment of the utility model;

[0018] Figure 3 The utility model discloses a top rack bottom view structure schematic diagram of embodiment of the utility model;

[0019] Figure 4 The utility model discloses a roller body support assembly structure schematic diagram of embodiment of the utility model;

[0020] Figure 5 The utility model discloses a A area enlarged structure schematic diagram of embodiment of the utility model Figure 2 .

[0021] In the drawing: 1, equipment cabinet;2, workbench;3, hydraulic support leg;4, top rack;5, threaded screw;6, servo motor;7, threaded female seat;8, lower connecting column;9, roller body support;10, thorn roller;11, thorn piece;12, rotary motor;13, guide groove;14, guide slide plate. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Please refer toFigures 1-5 The utility model provides a kind of embodiment of the utility model discloses a heat-conducting silica gel sheet bubble removing equipment, including equipment cabinet 1, the upper surface of equipment cabinet 1 is provided with workbench 2, workbench 2 is horizontal plane structure design, the upper surface of workbench 2 four corners is all fixedly installed with hydraulic outrigger 3 by fixed bolt, and the top end between the output rod of four hydraulic outriggers 3 is fixedly installed with upper rack 4, this kind of structure design, by the hydraulic outrigger 3 of being set simultaneously can be driven to lift, so by the telescoping of hydraulic outrigger 3 can drive the upper rack 4 of top end to lift up and down work, to provide certain working height variation for subsequent bubble removing work;

[0026] The inside of upper rack 4 is fixedly installed with threaded lead screw 5 by bearing, threaded female seat 7 is sleeved on threaded lead screw 5, and threaded lead screw 5 is threadedly connected between threaded female seat 7;

[0027] And in order to drive threaded lead screw 5 to carry out automatic positive and reverse rotation, one end of threaded lead screw 5 is fixedly connected with the output shaft of servo motor 6, and servo motor 6 is fixedly installed on the one side outer wall of upper rack 4 by bolt;

[0028] This kind of structure design, threaded lead screw 5 can be driven to carry out positive and reverse rotation work by the servo motor 6 of being set, when threaded lead screw 5 is in positive and reverse rotation, threaded female seat 7 threadedly connected on its outer surface can carry out left and right linear displacement along threaded lead screw 5;

[0029] The lower surface center of threaded female seat 7 is fixedly installed with lower connecting column 8, and the bottom of lower connecting column 8 is fixedly installed with roller body support 9, and sharp roller 10 is rotatably installed in roller body support 9 by pivot, and a plurality of evenly distributed sharp members 11 are arranged on the outer surface of sharp roller 10, this kind of structure design, sharp members 11 can be contacted with the heat-conducting silica gel sheet base material by being set, so that bubble inside heat-conducting silica gel base material can be punctured by sharp members 11, so that bubble puncture exhaust treatment (after bubble puncture, the gas in it is discharged) is achieved, and the high-efficiency bubble removing effect of heat-conducting silica gel sheet production is achieved;

[0030] Further, in order to drive sharp roller 10 to carry out rotating work, rotating motor 12 is fixedly installed on the one side outer wall of roller body support 9 by bolt, the shaft body of sharp roller 10 is fixedly connected with the output shaft of rotating motor 12, and rotating motor 12 can drive sharp roller 10 to carry out rotating work at a specified speed by being set, so that the bubble removing quality of heat-conducting silica gel sheet can be improved.

[0031] In the embodiment, referring to the drawings Figure 2 And Figure 5As shown, in order to move left and right of the threaded female seat 7, a certain displacement guide is provided to ensure the linear effect of displacement, and the inner walls of the two sides of the upper rack 4 are provided with guide grooves 13;

[0032] Further, the outer walls of the two ends of the threaded female seat 7 are fixedly provided with guide sliding plates 14, and the top ends of the two guide sliding plates 14 are respectively connected with the guide grooves 13 on the two sides in a sliding manner.

[0033] Through the cooperation between the guide grooves 13 and the guide sliding plates 14, a certain displacement guide can be provided when the threaded female seat 7 moves left and right, so that the displacement accuracy can be effectively improved, and the displacement linearity can be ensured.

[0034] In the embodiment, in order to facilitate the convenient maintenance and repair work of the electrical structure inside the equipment cabinet 1, the front outer surface of the equipment cabinet 1 is hingedly connected with a cabinet door through a hinge, and the bottom corners of the equipment cabinet 1 are fixedly provided with supporting legs through bolts.

[0035] Working principle: when the heat-conducting silica gel sheet substrate that needs to be degassed is placed on the workbench 2 (below the sharp tube 10), the hydraulic supporting leg 3 is driven to retract inward, and when the output rod of the hydraulic supporting leg 3 is retracted, the upper rack 4 at the top end of the hydraulic supporting leg 3 is lowered, and the sharp roller 10 is driven to descend synchronously through the descent of the upper rack 4, so that the sharp roller 10 can be lowered to the working height, and the sharp piece 11 can pierce the bubbles of the heat-conducting silica gel sheet substrate.

[0036] After the sharp roller 10 is lowered to the working height, the servo motor 6 and the rotating motor 12 are synchronously rotated, and the servo motor 6 drives the threaded screw 5 to rotate in the forward and reverse directions, and when the threaded screw 5 rotates in the forward and reverse directions, the threaded female seat 7 connected with the outer surface of the threaded screw 5 can move left and right along the threaded screw 5, so that the movement of the threaded female seat 7 can drive the sharp roller 10 at the bottom to move synchronously.

[0037] The sharp roller 10 moves from one end to the other end under the action of the threaded driving structure, and in this process, the sharp roller 10 rotates under the drive of the rotating motor 12, so that the rotating sharp roller 10 and the sharp piece 11 can pierce the bubbles inside the heat-conducting silica gel sheet substrate, thereby achieving the bubble piercing and exhaust treatment, achieving the high-efficiency bubble removal effect of the heat-conducting silica gel sheet production, and having good bubble removal product processing use effect.

[0038] The sharp roller 10 moves from one end to the other end under the action of the threaded driving structure, and in this process, the sharp roller 10 rotates under the drive of the rotating motor 12, so that the rotating sharp roller 10 and the sharp piece 11 can pierce the bubbles inside the heat-conducting silica gel sheet substrate, thereby achieving the bubble piercing and exhaust treatment, achieving the high-efficiency bubble removal effect of the heat-conducting silica gel sheet production, and having good bubble removal product processing use effect.

[0039] In actual use, the bubbles inside the bubble-conducting silica gel sheet substrate can be effectively pricked by the rotating thorn roller and thorn piece, so that the silica gel substrate bubble is pricked and exhausts, effectively improving the high-efficiency bubble-removing effect of the production of the conductive silica gel sheet, having good bubble-removing product processing performance, and greatly improving the working processing efficiency, reducing the labor resource cost investment, and improving the economic benefit of enterprises.

[0040] Meanwhile, the de-bubble roller body structure can be linearly displaced left and right under the action of the threaded driving structure, so as to effectively improve the actual processing coverage of the de-bubble processing roller body, having the full-coverage de-bubble processing effect of the roller body, and effectively improving the overall processing quality of the equipment.

[0041] The working height of the thorn roller and the thorn piece can be dynamically adjusted by the telescopic action of the hydraulic legs, and in actual use, the dynamic adjustment of the working height can dynamically adjust the penetration depth of the thorn piece, so as to be suitable for de-bubble processing of silica gel sheet substrates of different thicknesses, have good application range, effectively reduce the use limitation, and improve the use effect.

[0042] For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A device for removing air bubbles from thermally conductive silicone pads, comprising a cabinet (1), characterized in that, The upper surface of the equipment cabinet (1) is provided with a workbench (2). The workbench (2) is designed with a horizontal structure. Hydraulic support legs (3) are fixedly installed at the four corners of the upper surface of the workbench (2) by fixing bolts. An upper frame (4) is fixedly installed between the top ends of the output rods of the four hydraulic support legs (3). A threaded screw (5) is fixedly installed inside the upper frame (4) by bearings. A threaded female seat (7) is sleeved on the threaded screw (5). The threaded screw (5) and the threaded female seat (7) are threadedly connected. A lower connecting column (8) is fixedly installed at the center of the lower surface of the threaded female seat (7). A roller bracket (9) is fixedly installed at the bottom end of the lower connecting column (8). A spiked roller (10) is rotatably installed inside the roller bracket (9) by a rotating shaft. Several evenly distributed spikes (11) are provided on the outer surface of the spiked roller (10).

2. The air bubble removal device for a thermally conductive silicone sheet according to claim 1, characterized in that: One end of the threaded screw (5) is fixedly connected to the output shaft of the servo motor (6), and the servo motor (6) is fixedly installed on the outer wall of one side of the upper frame (4) by bolts.

3. The air bubble removal device for a thermally conductive silicone sheet according to claim 1, characterized in that: A rotary motor (12) is fixedly installed on one side of the outer wall of the roller support (9) by bolts, and the output shaft of the rotary motor (12) is fixedly connected to the shaft of the spiked roller (10).

4. The air bubble removal device for a thermally conductive silicone sheet according to claim 1, characterized in that: Guide grooves (13) are provided on both inner walls of the upper frame (4), and the guide grooves (13) are designed as straight horizontal grooves.

5. The air bubble removal device for a thermally conductive silicone sheet according to claim 1, characterized in that: Guide slide plates (14) are fixedly installed on the outer walls of both ends of the threaded female seat (7), and the top ends of the two guide slide plates (14) are slidably connected to the guide grooves (13) on both sides respectively.

6. The air bubble removal device for a thermally conductive silicone sheet according to claim 1, characterized in that: The front outer surface of the equipment cabinet (1) is hinged with a cabinet door, and the bottom four corners of the equipment cabinet (1) are fixed with support legs by bolts.