Membrane bonding tool for radiating plate with special-shaped structure

Abstract

The utility model belongs to the technical field of printing heat dissipation plates, and particularly relates to a special-shaped structure heat dissipation plate film bonding tool which comprises a tool plate and a heat dissipation plate installed on the inner side of the tool plate, a limiting block is fixedly connected to the surface of the tool plate, a positioning protruding plate is fixedly connected to the surface of the tool plate, and the positioning protruding plate and the limiting block form a square. The limiting blocks and the inner sides of the positioning protruding plates form mounting grooves in the surface of the tool plate, positioning grooves are formed in the mounting grooves, the inner side of the heat dissipation plate is fixedly connected with a heat dissipation vertical plate, the surface of the heat dissipation vertical plate is fixedly connected with two sets of positioning blocks, the positioning blocks correspond to each other, and the positioning blocks are located in the positioning grooves. One side of the heat dissipation plate is fixedly connected with a first protruding block and a second protruding block, the first protruding block and the second protruding block are located between the two sides of the positioning protruding plate and the limiting block respectively, and the heat dissipation plate is located on the inner side of the installation groove. According to the film bonding tool for the heat dissipation plate of the special-shaped structure, the heat dissipation plate can be embedded into the inner side of the tool plate, and the film bonding operation can be more uniform.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing heat dissipation plate technical field especially, relate to a special-shaped structure heat dissipation plate film sticking tool. BACKGROUND

[0002] At present, the integration degree of aerospace electronic equipment is higher and higher, and the energy density is larger and larger, and the miniaturization, integration and modularization bring a problem that a large number of surface mounted components and modules are integrated on the surface of the printed board, thereby leading to the large heat flux of the printed board, when the product is subjected to environmental stress screening, under high temperature conditions, the components may fail due to heat dissipation problems, and therefore it is very urgent to pursue a simple and effective heat dissipation method, and installing a heat dissipation fin in the printed board is one of the commonly used methods, the circuit board assembled with the heat dissipation fin has great improvement in thermal conductivity, dimensional stability, vibration resistance and appearance protection, at the same time, the thermal expansion and contraction of the components on the printed board is relieved, and the reliability and service life of the electronic equipment are improved.

[0003] In order to guide the heat dissipation plate to better absorb and transfer heat, improve the heat dissipation efficiency, and increase the heat dissipation area, various special-shaped structures are designed on the surface of the heat dissipation plate, these structures are obtained by special processing methods or special-shaped materials, such as protrusions, depressions, micro lines, spiral curls and the like, these design structures make the contact area of the heat dissipation plate larger, can increase the heat dissipation area and disperse heat under the same size of the heat dissipation plate, and achieve better heat dissipation effect.

[0004] At present, since the surface of the special-shaped structure heat dissipation plate is usually designed with various irregular protrusions and depressions, when the heat dissipation plate is bonded to the electronic components, the heat dissipation plate needs to be bonded to the tool by using a film adhesive to achieve stable bonding effect, in this process, due to the irregular protrusions on the special-shaped heat dissipation plate, it cannot be directly hot-pressed, thereby affecting the uniformity of the film bonding, therefore, a special-shaped structure heat dissipation plate film sticking tool is urgently needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to overcome the defects of the prior art as pointed out above, the present inventors have made in-depth research, and after a lot of creative labor, the utility model is completed.

[0006] Specifically, the technical problem to be solved by the utility model is to provide a special-shaped structure heat dissipation plate film sticking tool to solve the technical problem that the current special-shaped heat dissipation plate cannot be directly hot-pressed with the tool due to the difference in shape, thereby affecting the uniformity of the film bonding.

[0007] To solve the above technical problems, the utility model provides the following technical scheme:

[0008] The utility model provides a special-shaped structure heat dissipation plate film sticking tool, including tool plate, the heat dissipation plate of installing in the inside of tool plate, the surface of tool plate is fixedly connected with the limiting block, the limiting block equidistance distribution is in the surface of tool plate, the surface of tool plate is fixedly connected with the positioning convex plate, the positioning convex plate forms square with the limiting block, the inside of limiting block and positioning convex plate forms the installation groove in the surface of tool plate, the inside of installation groove is equipped with the positioning groove, the positioning groove is equipped with two groups, and correspond mutually, the inside of heat dissipation plate is fixedly connected with the heat dissipation vertical board, the surface of heat dissipation vertical board is fixedly connected with the limiting block, the limiting block is equipped with two groups, and correspond mutually, the limiting block is located in the inside of positioning groove, one side of heat dissipation plate is fixedly connected with first lug and second lug, first lug and second lug correspond mutually away, first lug and second lug are located between the two sides of positioning convex plate and limiting block respectively, and heat dissipation plate is located in the inside of installation groove.

[0009] As an improved technical solution, the positioning convex plate is concave, and an adjusting groove is formed in the top of the positioning convex plate.

[0010] As an improved technical solution, the heat dissipation plate is inclined at the four corners.

[0011] As an improved technical solution, the heat dissipation plate is rounded at the inner corners.

[0012] As an improved technical solution, the heat dissipation plate is provided with connecting holes on the surface, and the connecting holes are equidistantly arranged.

[0013] As an improved technical solution, the tool plate is made of aluminum alloy.

[0014] After the above technical scheme is adopted, the utility model has the beneficial effects that:

[0015] 1. The heat dissipation plate can be embedded in the inside of the tool plate, so that the two can be better bonded, and the film sticking operation can be more uniform, so that the hot pressing operation can be normally carried out.

[0016] 2. The heat dissipation plate is provided with a special shape, and the inside is rounded, so that the heat distribution is more uniform, thereby helping to improve the heat diffusion effect and improve the heat dissipation performance.

[0017] 3. The tool plate is made of aluminum alloy, so that the performance is stable, and the density is low, the weight is low, and the heat dissipation is fast. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the premise that the technical scheme of the present application is not deviated.

[0019] Fig. 1 It is a schematic diagram of the heat dissipation plate structure of the heat dissipation plate film bonding tool with special-shaped structure of the present application.

[0020] Fig. 2 It is a schematic diagram of the tool plate structure of the heat dissipation plate film bonding tool with special-shaped structure of the present application.

[0021] Fig. 3 It is a schematic diagram of the overall structure of the heat dissipation plate film bonding tool with special-shaped structure of the present application.

[0022] Explanation of reference signs:

[0023] 1, tool plate; 101, limiting block; 102, positioning convex plate; 103, mounting groove; 104, positioning groove; 105, adjusting groove;

[0024] 2, heat dissipation plate; 201, heat dissipation vertical plate; 202, positioning block; 203, first protrusion; 204, second protrusion; 205, inclined surface; 206, round corner; 207, connecting hole. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0026] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0027] Meanwhile, the meaning of "and / or" or "and / or" appearing throughout the text is that it includes three schemes. Taking "A and / or B" as an example, it includes A scheme, or B scheme, or A and B schemes are satisfied at the same time.

[0028] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0029] As Figs. 1 to 3 As shown, the embodiment provides a special-shaped structure heat dissipation plate film sticking tool, the special-shaped structure heat dissipation plate film sticking tool includes tool plate 1, heat dissipation plate 2 installed in the inner side of tool plate 1, the surface of tool plate 1 is fixedly connected with limiting block 101, limiting block 101 is equidistantly distributed on the surface of tool plate 1, the surface of tool plate 1 is fixedly connected with positioning convex plate 102, positioning convex plate 102 and limiting block 101 form a square, the inner side of limiting block 101 and positioning convex plate 102 forms mounting groove 103 on the surface of tool plate 1, positioning groove 104 is arranged in the inside of mounting groove 103, the two groups of positioning grooves 104 are correspondingly arranged, the height of limiting block 101 and positioning convex plate 102 is consistent, the heat dissipation plate 2 can be conveniently positioned on the inner side of mounting groove 103, and the outer side of the heat dissipation plate 2 is limited through limiting block 101, and the two sides of positioning convex plate 102 can conveniently position the first convex block 203 and the second convex block 204 of the heat dissipation plate 2, so that the installation and hot pressing of the heat dissipation plate 2 are facilitated.

[0030] The inner side of heat dissipation plate 2 is fixedly connected with heat dissipation vertical plate 201, the surface of heat dissipation vertical plate 201 is fixedly connected with positioning block 202, the two groups of positioning blocks 202 are correspondingly arranged, the positioning block 202 is located in the inside of positioning groove 104, one side of heat dissipation plate 2 is fixedly connected with first convex block 203 and second convex block 204, first convex block 203 and second convex block 204 are away from each other, first convex block 203 and second convex block 204 are respectively located between the two sides of positioning convex plate 102 and limiting block 101, heat dissipation plate 2 is located in the inside of mounting groove 103, heat dissipation plate 2 is reversely installed in the inside of tool plate 1, and is installed in the inside of mounting groove 103 through limiting block 101 and positioning convex plate 102, and positioning block 202 is located in the inside of positioning groove 104, so that heat dissipation plate 2 can be completely attached to the inside of tool plate 1, and the installation between tool plate 1 and heat dissipation plate 2 is more firm through the installation of first convex block 203 and second convex block 204 between the two sides of positioning convex plate 102 and limiting block 101, and the film sticking of the two is more uniform, the two groups of positioning grooves 104 are located between limiting block 101 and positioning convex plate 102.

[0031] The positioning lug 102 is concave, the top of the positioning lug 102 is provided with an adjusting groove 105, and the two corners of the top of the positioning lug 102 are rounded. The adjusting groove 105 can be directly contacted with one side of the heat dissipation plate 2, which is helpful for adjusting the position of the heat dissipation plate 2 to be attached to the inner side of the tool plate 1, so that the hot pressing operation can be normally performed. The four corners of the tool plate 1 are all right angles.

[0032] The four corners of the heat dissipation plate 2 are all inclined surfaces 205, which can reduce the friction with the inner side of the limiting block 101 and the positioning lug 102.

[0033] The inner corners of the heat dissipation plate 2 are all rounded 206. The inner corners of the heat dissipation plate 2 usually have thermal stress or physical stress concentration phenomenon. By designing the inner side as a rounded 206, the above phenomenon can be avoided, the heat distribution is more uniform, the heat diffusion effect is improved, the heat dissipation performance is improved, and the inner side surface of the heat dissipation plate 2 is smoother and more continuous, the contact area of heat transfer is increased, and the heat dissipation effect is improved.

[0034] The surface of the heat dissipation plate 2 is provided with connecting holes 207, which are arranged at equal intervals. The connecting holes 207 can be conveniently connected with the circuit board, the installation operation of the circuit board is facilitated, the circuit board can be stably installed on the surface of the heat dissipation plate 2, the contact area between the two is increased, and the heat dissipation efficiency is improved.

[0035] The tool plate 1 is made of aluminum alloy material, which has stable performance, low density, low weight, and fast heat dissipation.

[0036] The heat dissipation plate 2 is reversely installed on the surface of the tool plate 1, so that the first lug 203 and the second lug 204 are respectively located at the two ends of the positioning lug 102 and the inner side of the limiting block 101, and the positioning block 202 on the surface of the heat dissipation plate 2 is clamped in the positioning groove 104. At the same time, the position of the heat dissipation plate 2 can be finely adjusted through the adjusting groove 105, until the heat dissipation plate 2 is completely located in the installation groove 103, so that the heat dissipation plate 2 and the tool plate 1 can be attached;

[0037] Then the circuit board is assembled through the connecting holes 207 on the surface of the heat dissipation plate 2, and finally the assembled tool plate 1, heat dissipation plate 2 and circuit board are put into a vulcanizing machine for hot pressing treatment. After hot pressing, cooling and disassembly are performed, and the film sticking operation is completed.

[0038] In summary, this way can make the heat dissipation plate 2 and the tool plate 1 more uniform in stress and heat during sticking. By limiting the heat dissipation plate 2 and connecting it with the tool plate 1 through the positioning block 202, the heat dissipation plate 2 can be embedded in the inner side of the tool plate 1, so that the two can be better attached, and the film sticking operation can be more uniform, so that the hot pressing operation can be normally performed.

[0039] It should be understood that the uses of the embodiments are merely for illustrating the present application and are not intended to limit the protection scope of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or variations to the present application, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. A special-shaped heat dissipation plate film bonding tooling, comprising a tooling plate (1) and a heat dissipation plate (2) mounted on the inner side of the tooling plate (1), characterized in that: The surface of the tool plate (1) is fixedly connected with a limiting block (101), the limiting block (101) is equidistantly distributed on the surface of the tool plate (1), the surface of the tool plate (1) is fixedly connected with a positioning convex plate (102), the positioning convex plate (102) forms a square with the limiting block (101), the inner side of the limiting block (101) and the positioning convex plate (102) forms a mounting groove (103) on the surface of the tool plate (1), the mounting groove (103) is internally provided with a positioning groove (104), the positioning groove (104) is provided with two groups and corresponds to each other; The inner side of the heat dissipation plate (2) is fixedly connected with a heat dissipation vertical plate (201), the surface of the heat dissipation vertical plate (201) is fixedly connected with a positioning block (202), the positioning block (202) is provided with two groups and corresponds to each other, the positioning block (202) is located in the inner side of the positioning groove (104), one side of the heat dissipation plate (2) is fixedly connected with a first convex block (203) and a second convex block (204), the first convex block (203) and the second convex block (204) are away from each other, the first convex block (203) and the second convex block (204) are located between the two sides of the positioning convex plate (102) and the limiting block (101) respectively, and the heat dissipation plate (2) is located in the inner side of the mounting groove (103).

2. The profiled heat plate film sticking tooling of claim 1, wherein: The positioning convex plate (102) is concave, and the top of the positioning convex plate (102) is provided with an adjusting groove (105).

3. The profiled heat plate film sticking tooling of claim 2, wherein: The four corners of the heat dissipation plate (2) are all inclined surfaces (205).

4. The profiled heat plate film sticking tooling of claim 3, wherein: The inner corners of the heat dissipation plate (2) are all round corners (206).

5. The profiled heat plate film sticking tooling of claim 4, wherein: The surface of the heat dissipation plate (2) is provided with a connecting hole (207), and the connecting holes (207) are equidistantly arranged.

6. The profiled heat plate film sticking tooling of claim 5, wherein: The tool plate (1) is made of aluminum alloy material.

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