Efficient attaching jig

Abstract

The utility model relates to an efficient attaching jig, which belongs to the technical field of MYLAR sheet attaching and comprises an attaching positioning base, a positioning stop block, a positioning column and four positioning retaining walls, and the positioning stop block, the positioning column and the four positioning retaining walls are fixed on the top of the attaching positioning base. And heat dissipation module combinations which are in sliding connection with the positioning columns are placed in the four positioning retaining walls. According to the efficient attaching jig, the side, containing fixing glue, of the MYLAR sheet is upwards placed on the attaching positioning base, at the moment, a heat dissipation module combination can be positioned through the positioning check block, the positioning column and the positioning retaining wall, the heat dissipation module combination can be accurately attached to the MYLAR sheet, and therefore when the heat dissipation module combination is pressed forcibly, the heat dissipation module combination can be accurately attached to the MYLAR sheet; according to the MYLAR sheet bonding device, the bonding accuracy of the MYLAR sheet can be guaranteed, the spring device assembly can prevent the heat dissipation module combination from being bonded with the MYLAR sheet when the position is not well adjusted, and the yield is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of MYLAR sheet attachment, in particular to a highly efficient attachment fixture. Background Art

[0002] MYLAR sheet is a PET polyester film, which is made by heating dimethyl terephthalate and ethylene glycol with the assistance of relevant catalysts, undergoing ester exchange and vacuum polycondensation, and biaxial stretching. It can be used as an insulating material for motors, capacitors, coils and cables, and can also be made into a composite insulating material with highland barley paper.

[0003] MYLAR sheets are usually required to be attached to heat dissipation products. The current market demand for MYLAR sheets is getting thinner and thinner, and the required thickness is mostly less than 10 threads. The traditional attachment method is to make positioning lines on the attached area, and the staff visually aligns and attaches it. The error is large and the defective rate is high. If it cannot be attached in one time, the product will be scrapped. Therefore, an efficient attachment fixture is proposed to solve the above problem. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an efficient attachment jig with the advantages of high yield rate, etc., which solves the problem of large errors and high defect rates caused by visual alignment for attachment.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an efficient attachment fixture, comprising an attachment positioning base, three positioning blocks are fixed on the top of the attachment positioning base, three positioning columns are fixed on the top of the attachment positioning base, the three positioning columns are respectively located inside the three positioning blocks, four positioning retaining walls are fixed on the top of the attachment positioning base, and a heat dissipation module assembly slidably connected to the positioning columns is placed inside the four positioning retaining walls;

[0006] A positioning cover is fixed at the bottom of the attachment positioning base, and two fixing rods are slidably connected to the interior of the positioning cover and are threadedly connected to the attachment positioning base. A spring device assembly is arranged inside the attachment positioning base, and a MYLAR sheet is placed on the top of the attachment positioning base. The spring device assembly is used to prevent the heat dissipation module assembly from directly contacting the MYLAR sheet.

[0007] The spring device assembly includes a sliding support block, two extension rods, two extension blocks and two return springs. The sliding support block is slidably connected to the attached positioning base, the interior of the sliding support block is fixed to the extension rod, the outer surface of the extension rod is slidably connected to the extension block, the top of the extension block is fixed to the return spring, and the top of the return spring is fixed to the sliding support block.

[0008] Furthermore, a threaded strip is fixed on the outer surface of the fixing rod, and a threaded hole matching the threaded strip is opened inside the attachment positioning base.

[0009] Furthermore, sliding blocks are fixed on both the left and right sides of the sliding support block, and a sliding groove slidably connected to the sliding block is provided inside the attachment positioning base.

[0010] Furthermore, a fixing glue is sprayed on the top of the MYLAR sheet, a sponge pad is fixed on the bottom of the extension block, and the sponge pad is fitted with the positioning cover plate.

[0011] Furthermore, a placement groove adapted to the MYLAR sheet is provided on the top of the attachment and positioning base, and the depth of the placement groove is greater than the thickness of the MYLAR sheet.

[0012] Furthermore, the heat dissipation module combination includes a heat sink, a heat pipe and a mounting frame, the heat sink is located inside four positioning retaining walls, the top of the heat sink is fixed to the heat pipe, the heat pipe is fixed to the mounting frame, and the mounting frame is slidably connected to the positioning column.

[0013] Furthermore, a push groove is provided on the right side of the attachment and positioning base, and the push groove is located at the bottom of the heat sink.

[0014] Furthermore, a negative pressure hole is provided at the bottom of the positioning cover plate, and an adsorption hole is provided inside the sliding support block.

[0015] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0016] This efficient attachment fixture places the MYLAR sheet with the side containing the fixing glue facing upward on the attachment positioning base. At this time, the heat dissipation module assembly can be positioned by the positioning block, the positioning column and the positioning retaining wall, so that the heat dissipation module assembly can be accurately attached to the MYLAR sheet, so that when the heat dissipation module assembly is pressed hard, the accuracy of the MYLAR sheet attachment can be guaranteed, and the set spring device assembly can prevent the heat dissipation module assembly from attaching to the MYLAR sheet when the position is not adjusted properly. The overall structure is simple, which effectively improves the yield rate and the production efficiency, making the overall structure more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0018] Figure 2 This is a three-dimensional diagram of the back side of the structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the spring device assembly of the utility model.

[0020] In the figure: 1 attachment positioning base, 2 positioning stopper, 3 positioning column, 4 positioning stopper wall, 5 heat dissipation module assembly, 6 positioning cover plate, 7 fixing rod, 8 spring device assembly, 801 sliding support block, 802 extension rod, 803 extension block, 804 reset spring, 9 MYLAR sheet. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in 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 in 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.

[0022] See also Figure 1-2 In this embodiment, an efficient attaching fixture includes an attaching and positioning base 1, three positioning blocks 2 are fixed on the top of the attaching and positioning base 1, three positioning columns 3 are fixed on the top of the attaching and positioning base 1, and the three positioning columns 3 are respectively located inside the three positioning blocks 2, and four positioning retaining walls 4 are fixed on the top of the attaching and positioning base 1. The positioning retaining walls 4, the positioning blocks 2 and the positioning columns 3 are used to position the heat dissipation module combination 5.

[0023] In addition, a heat dissipation module assembly 5 slidably connected to the positioning column 3 is placed inside the four positioning retaining walls 4. The heat dissipation module assembly 5 includes a heat sink, a heat pipe and a mounting frame. The heat sink is located inside the four positioning retaining walls 4, the top of the heat sink is fixed to the heat pipe, the heat pipe is fixed to the mounting frame, the mounting frame is slidably connected to the positioning column 3, and a push groove is opened on the right side of the attached positioning base 1, and the push groove is located at the bottom of the heat sink. Through the set push groove, the heat sink can be pushed downward, so that the heat dissipation module assembly 5 can be easily taken out.

[0024] Furthermore, a positioning cover plate 6 is fixed to the bottom of the attachment positioning base 1, and the positioning cover plate 6 is used to position the spring device assembly 8. The interior of the positioning cover plate 6 is slidably connected with two fixing rods 7 which are threadedly connected to the attachment positioning base 1. A threaded strip is fixed to the outer surface of the fixing rod 7. The fixing rod 7 is used to fix the positioning cover plate 6. A threaded hole matching the threaded strip is provided inside the attachment positioning base 1. A spring device assembly 8 is provided inside the attachment positioning base 1. A MYLAR sheet 9 is placed on the top of the attachment positioning base 1. A placement groove matching the MYLAR sheet 9 is provided on the top of the attachment positioning base 1, and the depth of the placement groove is greater than the thickness of the MYLAR sheet 9. The spring device assembly 8 is used to prevent the heat dissipation module combination 5 from directly contacting the MYLAR sheet 9. A fixing glue is sprayed on the top of the MYLAR sheet 9, and the fixing glue is provided so that the MYLAR sheet 9 can be attached to the heat dissipation module combination 5.

[0025] In general, the heat dissipation module assembly 5 can be positioned by the positioning block 2, the positioning column 3 and the positioning retaining wall 4, thereby effectively ensuring the accuracy of the position of the heat dissipation module assembly 5 and effectively improving the overall yield rate.

[0026] See also Figure 3 The spring device assembly 8 in this embodiment includes a sliding support block 801, two extension rods 802, two extension blocks 803 and two return springs 804. The sliding support block 801 is slidably connected to the attached positioning base 1. Sliding blocks are fixed on both sides of the sliding support block 801. A sliding groove slidably connected to the sliding block is provided inside the attached positioning base 1. The sliding block and the sliding groove can effectively improve the sliding stability of the sliding support block 801.

[0027] In addition, the interior of the sliding support block 801 is fixed to the extension rod 802, the outer surface of the extension rod 802 is slidably connected to the extension block 803, a sponge pad is fixed to the bottom of the extension block 803, the sponge pad is in contact with the positioning cover plate 6, and the top of the extension block 803 is fixed to the reset spring 804. The reset spring 804 can accumulate elastic potential energy after the sliding support block 801 moves, so that the sliding support block 801 can be reset, and the top of the reset spring 804 is fixed to the sliding support block 801.

[0028] It should be noted that a negative pressure hole is provided at the bottom of the positioning cover plate 6, and an adsorption hole is provided inside the sliding support block 801. The negative pressure hole can be fixed to an external negative pressure machine. By starting the negative pressure machine, the adsorption hole can generate a certain negative pressure, so that the MYLAR sheet 9 can be adsorbed on the sliding support block 801, making the MYLAR sheet 9 less likely to wrinkle, thereby effectively improving the overall stability.

[0029] In general, the rigidity of the reset spring 804 can provide a certain support to the sliding support block 801 , so that the sliding support block 801 can prevent the heat dissipation module assembly 5 from directly contacting the MYLAR sheet 9 .

[0030] The working principle of the above embodiment is:

[0031] Place the MYLAR sheet 9 with the side of the fixing glue facing upward inside the placement groove on the attached positioning base 1, and then the mounting frame on the heat dissipation module assembly 5 can be positioned by the positioning block 2 and the positioning column 3, and the provided positioning retaining wall 4 can position the heat dissipation sheet, effectively ensuring the accuracy of the overall position of the heat dissipation module assembly 5, and the support of the sliding support block 801 by the reset spring 804 can effectively prevent the heat dissipation module assembly 5 from fitting with the MYLAR sheet 9 when the position is not adjusted properly, and when the heat dissipation module assembly 5 is pressed, the sliding support block 801, the extension rod 802 and the extension block 803 will be pushed downward, and the provided positioning cover plate 6 limits the extension block 803 Move, so that the extension block 803 and the return spring 804 cannot move, and then when the sliding support block 801 moves downward, the return spring 804 will accumulate elastic potential energy, so that the heat dissipation module assembly 5 and the MYLAR sheet 9 are fitted together, and when the heat dissipation module assembly 5 is released, the return spring 804 will push the sliding support block 801 to reset, so that it is easy to take out the heat dissipation module assembly 5, and by connecting the external negative pressure machine with the negative pressure hole on the positioning cover plate 6, the adsorption hole on the sliding support block 801 can generate negative pressure, so that the MYLAR sheet 9 can be placed more stably, the overall structure is simple, and the yield rate is effectively improved.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. An efficient attachment fixture, comprising an attachment positioning base (1), characterized in that: Three positioning blocks (2) are fixed on the top of the attachment positioning base (1), three positioning columns (3) are fixed on the top of the attachment positioning base (1), the three positioning columns (3) are respectively located inside the three positioning blocks (2), four positioning retaining walls (4) are fixed on the top of the attachment positioning base (1), and a heat dissipation module assembly (5) slidably connected to the positioning columns (3) is placed inside the four positioning retaining walls (4); A positioning cover plate (6) is fixed to the bottom of the attachment positioning base (1), two fixing rods (7) are slidably connected to the interior of the positioning cover plate (6) and are threadedly connected to the attachment positioning base (1), a spring device assembly (8) is arranged inside the attachment positioning base (1), a MYLAR sheet (9) is placed on the top of the attachment positioning base (1), and the spring device assembly (8) is used to prevent the heat dissipation module assembly (5) from directly contacting the MYLAR sheet (9); The spring device assembly (8) comprises a sliding support block (801), two extension rods (802), two extension blocks (803) and two return springs (804); the sliding support block (801) is slidably connected to the attached positioning base (1); the interior of the sliding support block (801) is fixed to the extension rod (802); the outer surface of the extension rod (802) is slidably connected to the extension block (803); the top of the extension block (803) is fixed to the return spring (804); and the top of the return spring (804) is fixed to the sliding support block (801).

2. An efficient attachment jig according to claim 1, characterized in that: A threaded strip is fixed on the outer surface of the fixing rod (7), and a threaded hole matching the threaded strip is provided inside the attachment positioning base (1).

3. An efficient attachment jig according to claim 1, characterized in that: Sliding blocks are fixed on both the left and right sides of the sliding support block (801), and a sliding groove slidably connected to the sliding block is provided inside the attachment positioning base (1).

4. The efficient attachment jig according to claim 1, characterized in that: The top of the MYLAR sheet (9) is sprayed with fixing glue, and the bottom of the extension block (803) is fixed with a sponge pad, and the sponge pad is fitted with the positioning cover plate (6).

5. The efficient attachment jig according to claim 1, characterized in that: A placement groove adapted to the MYLAR sheet (9) is provided on the top of the attachment positioning base (1), and the depth of the placement groove is greater than the thickness of the MYLAR sheet (9).

6. The efficient attachment jig according to claim 1, characterized in that: The heat dissipation module assembly (5) comprises a heat sink, a heat pipe and a mounting frame, wherein the heat sink is located inside four positioning retaining walls (4), the top of the heat sink is fixed to the heat pipe, the heat pipe is fixed to the mounting frame, and the mounting frame is slidably connected to the positioning column (3).

7. An efficient attachment jig according to claim 6, characterized in that: A pushing groove is provided on the right side of the attachment and positioning base (1), and the pushing groove is located at the bottom of the heat sink.

8. The efficient attachment jig according to claim 1, characterized in that: A negative pressure hole is provided at the bottom of the positioning cover plate (6), and a suction hole is provided inside the sliding support block (801).

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