Back glue mounting positioning jig

By designing a positioning fixture on the back of the adhesive, the supporting mechanism and negative pressure adsorption technology are used to achieve accurate positioning of the back of the adhesive, the problem of position shift during the back of the circuit board is solved, and the production efficiency and product consistency are improved.

CN223194927UActive Publication Date: 2025-08-05ZHUHAI FUYUAN ELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202521347113.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-30
Publication Date
2025-08-05
Estimated Expiration
2035-06-30

AI Technical Summary

Technical Problem

In the prior art, during the circuit board backing mounting process, manual operation is used to cause position deviation, affecting the bonding effect and increasing fatigue of the operator.

Method used

A glue-back mounting positioning fixture is designed, including a support mechanism, a positioning fixture main body, a positioning groove, a positioning part and a fixing part. The accurate positioning and fixing of the glue-back through mechanical positioning and negative pressure adsorption is achieved, reducing the need for manual operation.

Benefits of technology

It realizes accurate positioning of circuit board backing, reduces worker fatigue, improves production efficiency and product consistency, and is suitable for mass production.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223194927U_ABST
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Abstract

The utility model discloses a back adhesive mounting positioning jig. The back adhesive is arranged at the top of a workbench; the supporting mechanism is located at the top of the workbench, a positioning mechanism is arranged on the supporting mechanism and used for positioning and fixing gum, the supporting mechanism is used for supporting the positioning mechanism, the positioning mechanism comprises a positioning jig body located at the top of the supporting mechanism, and positioning grooves are symmetrically formed in the top of the positioning jig body; the positioning piece is located in the positioning groove. According to the utility model, the supporting mechanism, the positioning jig main body, the square groove, the positioning pin, the positioning column and the fixing piece are matched with each other, the positioning jig main body, the positioning column and the positioning groove position the connection of the gum, and the fixing piece adsorbs and fixes the gum, so that the gum release paper is torn down, and the circuit board jointed board is in butt joint with the positioning pin. Therefore, positioning during back glue mounting is facilitated, and eye fatigue and operation fatigue of an operator are reduced.
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Description

Technical Field

[0001] The utility model relates to the field of adhesive backing mounting, in particular to an adhesive backing mounting positioning jig. Background Art

[0002] The full name of the circuit board is printed circuit board. The circuit board is usually the support body of electronic components and the carrier of electrical connection. The circuit board is usually composed of insulating materials, wires and components. Through specific circuit design requirements, the realization of circuit functions is ensured. When the circuit board is produced, it usually requires adhesive backing mounting operation.

[0003] In the prior art, when adhesive backing is applied to circuit board panels, manual operation is usually adopted to separate the release paper on a single 3M adhesive backing, and then the adhesive surface is pasted into the designated silk-screen frame on the circuit board. In this process, the manual pasting position of the adhesive backing is entirely determined by the operator's naked eye. If the position is found to be offset, the adhesive backing needs to be torn off and then realigned, which affects the bonding effect of the adhesive backing. Therefore, it is necessary to position the adhesive backing before applying adhesive backing to the circuit board. Utility Model Content

[0004] The purpose of the present invention is to provide a positioning fixture for adhesive-backed mounting to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a positioning fixture for adhesive backing placement, comprising a workbench and adhesive backing, wherein the adhesive backing is located on the top of the workbench, a support mechanism is provided on the top of the workbench, a positioning mechanism is provided on the support mechanism, the positioning mechanism is used to position and fix the adhesive backing, the support mechanism is used to support the positioning mechanism, and the positioning mechanism includes:

[0006] The positioning fixture body is located on the top of the support mechanism, and the top of the positioning fixture body is symmetrically provided with positioning grooves;

[0007] A positioning piece is located inside the positioning groove and is used to connect and position the adhesive backing;

[0008] The fixing part is arranged on the main body of the positioning fixture, and is used to adsorb and fix the adhesive.

[0009] Preferably, the positioning mechanism further comprises:

[0010] A square groove is provided on the top of the positioning fixture body;

[0011] An assembly part is located on the positioning fixture body and is used to lock the installation position of the positioning fixture body.

[0012] Preferably, the assembly comprises:

[0013] Positioning feet, the positioning feet are located at the corners of the top of the positioning fixture body;

[0014] A first bolt, wherein the first bolt is threadedly connected to the top of the positioning foot, and one end of the first bolt is threadedly connected to the positioning fixture body;

[0015] A groove is provided on the top of the positioning fixture body;

[0016] The second bolt is threadedly inserted into the interior of the groove and connected to the top of the positioning fixture body.

[0017] Preferably, the support mechanism includes:

[0018] A support plate, the support plate is fixedly connected to the top of the positioning fixture body, and a connecting cavity is provided inside the support plate;

[0019] The assembly groove is opened on the top of the support plate.

[0020] Preferably, the support mechanism further includes a third bolt, the third bolt is threadedly inserted and connected to the top of the support plate, and one end of the third bolt is threadedly inserted and connected to the workbench.

[0021] Preferably, the positioning member includes:

[0022] a circular groove, the circular groove being arranged inside the positioning groove;

[0023] A positioning post, one end of which is fixedly connected to the bottom end of the inner wall of the positioning groove, and a positioning hole adapted to the positioning post is provided on the top of the adhesive.

[0024] Preferably, the fixing member includes:

[0025] An adsorption tank is provided at the bottom end of the inner wall of the square tank;

[0026] a first air hole, the first air hole being opened at the bottom end of the inner wall of the adsorption tank;

[0027] The second air hole is opened at the bottom end of the inner wall of the adsorption tank, and the inner cavities of the second air hole and the first air hole are both communicated with the inner cavity of the connecting cavity.

[0028] Preferably, the fixing member further comprises:

[0029] An air extraction pipe, the air extraction pipe is fixedly inserted into the side of the support plate, and the inner cavity of the air extraction pipe is connected to the inner cavity of the connecting cavity;

[0030] An operating handle is fixedly connected to the interior of the assembly groove.

[0031] Technical effects and advantages of this utility model:

[0032] The utility model utilizes the mutual cooperation of the supporting mechanism, the positioning jig body, the square groove, the positioning groove, the round groove, the positioning feet, the positioning columns and the fixing parts. The positioning jig body is consistent with the size of the circuit board panel. The positioning jig body, the positioning columns and the positioning grooves position the connection of the back glue. The fixing parts adsorb and fix the back glue, thereby tearing off the back glue release paper, making the circuit board panel contact with the positioning feet, and accurately connecting the circuit board with the back glue for the back glue mounting operation, which is beneficial for positioning during the back glue mounting, reduces the eyestrain and working fatigue of the operators, and facilitates the realization of batch operation, greatly improves the production efficiency and achieves the consistency of the products. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the top structure of the utility model.

[0034] Figure 2 This is a schematic diagram of the top structure of the main body of the positioning fixture of the present invention.

[0035] Figure 3 This is a schematic diagram of the top structure of the adsorption tank of the utility model.

[0036] Figure 4 For this utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0037] In the figure: 1. Workbench; 2. Support mechanism; 21. Support plate; 22. Third bolt; 23. Assembly groove; 3. Positioning mechanism; 31. Positioning fixture body; 32. Square groove; 33. Positioning groove; 34. Round groove; 35. Positioning column; 36. Adsorption groove; 37. First air hole; 38. Second air hole; 39. Exhaust pipe; 310. Operating handle; 311. Positioning foot; 312. First bolt; 313. Groove; 314. Second bolt; 4. Adhesive. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0039] The utility model provides Figure 1-4The adhesive backing placement positioning fixture shown in the figure includes a workbench 1 and an adhesive backing 4. The adhesive backing 4 is located on the top of the workbench 1. A support mechanism 2 is provided on the top of the workbench 1. The workbench 1 is conducive to supporting the support mechanism 2. A positioning mechanism 3 is provided on the support mechanism 2. The positioning mechanism 3 is used to position and fix the adhesive backing 4. The support mechanism 2 is used to support the positioning mechanism 3. The positioning mechanism 3 includes a positioning fixture body 31 located on the top of the support mechanism 2. The positioning fixture body 31 is conducive to adapting to the adhesive backing 4 to position the adhesive backing 4. There is no need for the staff to observe the pasting position too much, which reduces the work of the staff. To reduce eyestrain and work fatigue, the positioning jig body 31 is made based on the size of the circuit board panel that needs to be pasted with 3M adhesive 4, and the quantity and spacing of the 3M adhesive 4 are customized according to the size of the positioning jig body 31 to meet the spacing and quantity of the panel in a 1:1 ratio. The top of the positioning jig body 31 is symmetrically provided with positioning grooves 33, which are conducive to aligning with the adhesive 4 to position the adhesive 4; the positioning piece is located inside the positioning groove 33, and the positioning piece is used to connect and position the adhesive 4; the fixing piece is provided on the positioning jig body 31, and the fixing piece is used to adsorb and fix the adhesive 4.

[0040] Furthermore, the positioning mechanism 3 also includes a square groove 32 and an assembly part. The square groove 32 is conducive to placing the first air hole 37 and the second air hole 38 inside it. The square groove 32 is opened at the top of the positioning jig body 31. The assembly part is located on the positioning jig body 31. The assembly part is used to lock the installation position of the positioning jig body 31.

[0041] Furthermore, the assembly includes a positioning foot 311, a first bolt 312, a groove 313 and a second bolt 314. The positioning foot 311 is L-shaped, which is conducive to positioning the installation of the circuit board panel so that the circuit board can be directly bonded and mounted with the adhesive 4. The first bolt 312 is conducive to the installation and disassembly of the positioning foot 311, and the groove 313 is conducive to corresponding to the circuit board panel to position the circuit board panel. The second bolt 314 is conducive to the installation and disassembly of the positioning fixture body 31. The positioning foot 311 is located at the corner of the top of the positioning fixture body 31, the first bolt 312 is threadedly inserted and connected to the top of the positioning foot 311, one end of the first bolt 312 is threadedly inserted and connected to the positioning fixture body 31, the groove 313 is opened at the top of the positioning fixture body 31, and the second bolt 314 is threadedly inserted and connected to the inside of the groove 313 and the top of the positioning fixture body 31.

[0042] Furthermore, the support mechanism 2 includes a support plate 21, an assembly groove 23 and a third bolt 22. The support plate 21 is conducive to supporting the positioning fixture body 31. The assembly groove 23 is conducive to placing the operating handle 310, which is convenient for using the operating handle 310. The third bolt 22 is conducive to connecting and fixing the support plate 21 to the workbench 1. The support plate 21 is fixedly connected to the top of the positioning fixture body 31. A connecting cavity is provided inside the support plate 21. The assembly groove 23 is opened at the top of the support plate 21. The support mechanism 2 also includes a third bolt 22 threadedly inserted into the top of the support plate 21, and one end of the third bolt 22 is threadedly inserted into the workbench 1.

[0043] Specifically, the positioning part includes a circular groove 34 and a positioning column 35. The positioning column 35 is conducive to plugging with the adhesive 4, and thus is conducive to directly positioning the adhesive 4. After positioning, the operating handle 310 is used to control the external exhaust equipment, so that the exhaust pipe 39 exhausts the first air hole 37 and the second air hole 38, so that a negative pressure is formed at the bottom of the adhesive 4 to adsorb and fix the adhesive 4, and then the release paper on the top of the adhesive 4 is torn off, so that the circuit board panel can be docked and mounted with it. The circular groove 34 is arranged inside the positioning groove 33, and one end of the positioning column 35 is fixedly connected to the bottom end of the inner wall of the positioning groove 33. The top of the adhesive 4 is provided with a positioning hole that is compatible with the positioning column 35.

[0044] It should be noted that the fixing member includes an adsorption groove 36, a first air hole 37, a second air hole 38, an exhaust pipe 39 and an operating handle 310. The first air hole 37 and the second air hole 38 are conducive to negative pressure adsorption of the position of the adhesive 4 to fix the adhesive 4. The exhaust pipe 39 is conducive to connecting with an external exhaust device and is controlled by the operating handle 310. The operating handle 310 is conducive to exhaust control of the connecting cavity in the same row, and there are two connecting cavities that are independently set and opposite to the first air hole 37 and the second air hole 38 in the same row. The suction pipe 39 corresponds to the connecting cavity. The number of the suction pipes 39 is not shown in the figure. The adsorption groove 36 is opened at the bottom end of the inner wall of the square groove 32. The first air hole 37 is opened at the bottom end of the inner wall of the adsorption groove 36. The second air hole 38 is opened at the bottom end of the inner wall of the adsorption groove 36. The inner cavities of the second air hole 38 and the first air hole 37 are interconnected with the inner cavity of the connecting cavity. The suction pipe 39 is fixedly inserted into the side of the support plate 21, and the inner cavity of the suction pipe 39 is interconnected with the inner cavity of the connecting cavity. The operating handle 310 is fixedly connected to the inside of the assembly groove 23.

[0045] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A back-adhesive mounting positioning jig, comprising a workbench (1) and a back-adhesive (4), characterized in that: The adhesive backing (4) is located on the top of the workbench (1). A support mechanism (2) is provided on the top of the workbench (1). A positioning mechanism (3) is provided on the support mechanism (2). The positioning mechanism (3) is used to position and fix the adhesive backing (4). The support mechanism (2) is used to support the positioning mechanism (3). The positioning mechanism (3) includes: A positioning fixture body (31) is located on the top of the support mechanism (2), and positioning grooves (33) are symmetrically provided on the top of the positioning fixture body (31); A positioning member located inside the positioning groove (33), the positioning member being used to connect and position the adhesive backing (4); A fixing member is provided on the positioning fixture body (31), the fixing member is used to adsorb and fix the adhesive (4), and the fixing member includes an exhaust pipe (39) and an operating handle (310); A square groove (32) is provided on the top of the positioning fixture body (31); An assembly is located on a positioning jig body (31), and is used to lock the installation position of the positioning jig body (31). The assembly comprises a positioning foot (311), a first bolt (312), a groove (313), and a second bolt (314). The positioning foot (311) is located at a corner of the top of the positioning jig body (31), and the groove (313) is opened at the top of the positioning jig body (31).

2. The adhesive-backed mounting positioning jig according to claim 1, characterized in that: The first bolt (312) is threadedly connected to the top of the positioning foot (311), one end of the first bolt (312) is threadedly connected to the positioning fixture body (31), and the second bolt (314) is threadedly connected to the inside of the groove (313) and the top of the positioning fixture body (31).

3. The adhesive-backed mounting positioning jig according to claim 2, characterized in that: The supporting mechanism (2) comprises: A support plate (21), the support plate (21) being fixedly connected to the top of the positioning fixture body (31), and a connecting cavity being provided inside the support plate (21); An assembly groove (23), wherein the assembly groove (23) is opened on the top of the support plate (21).

4. The adhesive-backed mounting positioning jig according to claim 3, characterized in that: The support mechanism (2) further comprises a third bolt (22), wherein the third bolt (22) is threadedly connected to the top of the support plate (21), and one end of the third bolt (22) is threadedly connected to the workbench (1).

5. The adhesive-backed mounting positioning jig according to claim 4, characterized in that: The positioning member includes: a circular groove (34), wherein the circular groove (34) is arranged inside the positioning groove (33); A positioning post (35), one end of which is fixedly connected to the bottom end of the inner wall of the positioning groove (33), and a positioning hole adapted to the positioning post (35) is provided on the top of the adhesive (4).

6. The adhesive-backed mounting positioning jig according to claim 5, characterized in that: The fixing member further comprises: an adsorption groove (36), wherein the adsorption groove (36) is opened at the bottom end of the inner wall of the square groove (32); a first air hole (37), the first air hole (37) being opened at the bottom end of the inner wall of the adsorption tank (36); The second air hole (38) is opened at the bottom end of the inner wall of the adsorption tank (36), and the inner cavities of the second air hole (38) and the first air hole (37) are both communicated with the inner cavity of the connecting cavity.

7. The adhesive-backed mounting positioning jig according to claim 6, characterized in that: The exhaust pipe (39) is fixedly inserted into the side of the support plate (21), and the inner cavity of the exhaust pipe (39) is communicated with the inner cavity of the connecting cavity. The operating handle (310) is fixedly connected to the inside of the assembly groove (23).