PCB edge protection processing device

By using a guide structure and laser positioning spotlight in the PCB board edge protection treatment device, the problems of high labor intensity, low efficiency and uneven spraying during manual spraying are solved, achieving efficient and precise spraying results.

CN224057777UActive Publication Date: 2026-03-31SHIYU (SHENZHEN) PRECISION MANUFACTURING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Manually spraying the edges of PCB boards is labor-intensive, inefficient, and lacks precision. Holding the spray nozzle by hand leads to uneven and inconsistent spraying.

Method used

Design a PCB board edge protection treatment device. The device uses a guide structure to set the spray head body on the guide rail and slide. The operator completes the spraying by pushing and pulling the spray head body. Combined with a laser positioning spotlight, the stability and consistency of the spraying path are ensured.

Benefits of technology

It reduces the intensity of hand labor, improves work efficiency, ensures the uniformity and accuracy of spraying, and reduces spraying errors caused by hand tremors.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a PCB edge protection processing device, and relates to the technical field of PCB edge protection processing, the PCB edge protection processing device comprises a guide structure, the guide structure comprises a guide rail, the outer surface of the guide rail is slidably connected with a sliding seat, the top of the sliding seat is provided with a first connecting plate, and a second connecting plate is arranged above the first connecting plate; the second connecting plate is rotatably connected with the first connecting plate, a connecting sleeve is connected to the end, away from the first connecting plate, of the second connecting plate, and a nozzle body is inserted into the inner wall of the connecting sleeve. According to the spraying device, the guide structure is arranged, the spray head body is arranged on the guide structure, an operator only needs to push and pull the spray head body so that the spray head body can move under limiting of the sliding base and the guide rail, the spraying process can be completed, the spray head body does not need to be held by hands for a long time, the hand labor intensity is greatly relieved, and the working efficiency is improved; and the guide structure can precisely guide the spray head, so that the stability and the consistency of a spraying path are ensured, and the spraying uniformity and the spraying precision are effectively improved.
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Description

Technical Field

[0001] This utility model relates to the field of PCB board edge protection treatment technology, and more specifically, to a PCB board edge protection treatment device. Background Technology

[0002] In the electronics manufacturing industry, edge protection of PCBs (printed circuit boards) is a crucial step in ensuring product reliability and extending lifespan. Conformal coating, a common protective material, is widely used for edge spraying of PCBs to provide protection against moisture, mold, and salt spray. However, in traditional manual spraying, operators need to hold the spray nozzle and apply the coating to the PCB edges; this method has the following main problems:

[0003] Operators need to hold the spray nozzle for extended periods to perform repetitive spraying actions, which can easily lead to hand fatigue and muscle strain, affecting work efficiency and the operator's health. Furthermore, manual spraying with a handheld nozzle is prone to uneven and inconsistent spraying due to hand tremors and unstable operation. Therefore, we have made improvements and proposed a PCB board edge protection device. Utility Model Content

[0004] The purpose of this invention is to address the problems of high labor intensity, low efficiency, and poor precision in manual spraying.

[0005] To achieve the above-mentioned objectives, this utility model provides a PCB board edge protection device to improve the aforementioned problems.

[0006] The application is as follows:

[0007] A PCB edge protection device includes a guide structure, which includes a guide rail. A slide block is slidably connected to the outer surface of the guide rail. A first connecting plate is mounted on the top of the slide block. A second connecting plate is disposed above the first connecting plate. The second connecting plate is rotatably connected to the first connecting plate. A connecting sleeve is connected to the end of the second connecting plate away from the first connecting plate. A nozzle body is inserted into the inner wall of the connecting sleeve. A second hand-tightening bolt is threaded to the side of the connecting sleeve. One end of the second hand-tightening bolt passes through the connecting sleeve and contacts the nozzle body.

[0008] As a preferred technical solution of this application, the second connecting plate has a connecting groove at one end near the first connecting plate, and the connecting groove is inserted into the top of the first connecting plate.

[0009] As a preferred technical scheme of the present application, the first hand screw bolt is arranged between the second connecting plate and the first connecting plate, the outer surface of the first hand screw bolt is threadedly connected with a nut, and the nut is fixedly installed on the side surface of the second connecting plate.

[0010] As a preferred technical scheme of the present application, the two ends of the guide rail are both provided with a limiting block, and the sliding seat is located between the two limiting blocks.

[0011] As a preferred technical scheme of the present application, the bottom of the sliding seat is provided with a supporting plate, and the supporting plate is provided with an adjusting member between the supporting plate and the guide rail.

[0012] As a preferred technical scheme of the present application, the adjusting member comprises a sliding groove formed in the top of the supporting plate, a threaded rod is connected with the sliding groove through a bearing, one end of the threaded rod penetrates through the supporting plate and is fixedly connected with a hand wheel.

[0013] As a preferred technical scheme of the present application, the outer surface of the threaded rod is threadedly connected with a sliding block, and the top of the sliding block is fixedly connected with the bottom of the guide rail.

[0014] As a preferred technical scheme of the present application, one end of the supporting plate is fixedly connected with a bottom plate, the top of the bottom plate is rotatably connected with a connecting shaft through a bearing, and the outer surface of the connecting shaft is fixedly connected with a rotating table.

[0015] As a preferred technical scheme of the present application, the top of the rotating table is provided with a protective pad.

[0016] As a preferred technical scheme of the present application, a laser positioning spotlight is arranged above the protective pad.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] In the scheme of the present application:

[0019] In order to solve the problems of high labor intensity, low efficiency and poor precision in manual spraying in the prior art, the guide structure is arranged, the spray head body is arranged on the guide structure, the operator only needs to push and pull the spray head body to move the spray head body under the limitation of the sliding seat and the guide rail, and the spraying process can be completed, without the need for long-time hand holding of the spray head body, so that the hand labor intensity is greatly reduced, the work efficiency is improved, the guide structure can precisely guide the spray head, the stability and consistency of the spraying path are ensured, the uniformity and precision of the spraying are effectively improved, and the spraying error caused by hand shaking and other factors is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structure schematic view of the PCB edge protection processing device provided by the present application is shown in the figure.

[0021] Figure 2 The structural schematic diagram of the connecting groove of the PCB edge protection processing device provided in the present application is shown in the figure.

[0022] Figure 3 The structural schematic diagram of the connecting shaft of the PCB edge protection processing device provided in the present application is shown in the figure.

[0023] Figure 4 The top view structural schematic diagram of the support plate of the PCB edge protection processing device provided in the present application is shown in the figure.

[0024] The figure shows:

[0025] 1, guide rail; 101, sliding seat; 102, first connecting plate; 103, second connecting plate; 104, connecting groove; 105, first hand screw bolt; 106, nut; 107, connecting sleeve; 108, second hand screw bolt; 110, limiting block; 2, support plate; 201, bottom plate; 202, sliding groove; 203, threaded rod; 204, sliding block; 205, hand wheel; 206, connecting shaft; 207, rotating table; 208, protective pad; 3, laser positioning spotlight; 4, spray head body. DETAILED DESCRIPTION

[0026] In order to enable personnel in the technical field to better understand the present application scheme, the technical scheme in the present application embodiment will be described clearly and completely in the following with reference to the drawings in the present application embodiment. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0027] As described in the background, in the traditional manual spraying process, the operator needs to hold the spray head to spray the edge of the PCB. This method has the following main problems: the operator needs to hold the spray head for a long time to perform repetitive spraying actions, which can easily cause hand fatigue and muscle strain, affecting work efficiency and the health of the operator; when manually holding the spray head to spray, due to hand shaking, unstable operation and other factors, it is difficult to ensure the uniformity and consistency of the spraying.

[0028] In order to solve this technical problem, the present application provides a PCB edge protection processing device, which is applied to a through-type solid phase extraction.

[0029] Specifically, please refer to Figures 1-2 , the PCB edge protection processing device specifically comprises:

[0030] The guide structure comprises a guide rail 1, the outer surface of the guide rail 1 is slidably connected with a sliding seat 101, the top of the sliding seat 101 is provided with a first connecting plate 102, the upper side of the first connecting plate 102 is provided with a second connecting plate 103, the second connecting plate 103 is rotatably connected with the first connecting plate 102, one end of the second connecting plate 103, which is away from the first connecting plate 102, is connected with a connecting sleeve 107, the inner wall of the connecting sleeve 107 is inserted with a spray head body 4, the side of the connecting sleeve 107 is threadedly connected with a second hand bolt 108, one end of the second hand bolt 108 penetrates into the connecting sleeve 107 and is in contact with the spray head body 4.

[0031] The PCB edge protection processing device provided by the utility model, through the guide structure, the spray head body 4 is arranged on the guide structure, the operator only needs to push and pull the spray head body 4 to move the spray head body 4 under the limitation of the sliding seat 101 and the guide rail 1, and the spraying process can be completed, the hand holding of the spray head body 4 is not needed for a long time, the hand labor intensity is greatly reduced, the work efficiency is improved, the guide structure can precisely guide the spray head, the stability and consistency of the spraying path are ensured, the spraying uniformity and precision are effectively improved, and the spraying error caused by hand shaking and other factors is reduced.

[0032] In order for those skilled in the art to better understand the utility model scheme, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings.

[0033] It should be noted that, in the case of no conflict, the embodiments and the features and technical solutions in the embodiments in the utility model can be combined with each other.

[0034] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the following drawings.

[0035] Embodiment 1, please refer to Figures 1-3The utility model provides a PCB board edge protection processing device, including guide structure, guide structure includes guide rail 1, the outer surface sliding connection of guide rail 1 has slide 101, the top of slide 101 is installed with first connecting plate 102, and the second connecting plate 103 is arranged above first connecting plate 102, and the rotation is connected between second connecting plate 103 and first connecting plate 102, and the one end of second connecting plate 103 away from first connecting plate 102 is connected with connecting sleeve 107, and the inner wall of connecting sleeve 107 is inserted with spray head body 4, and the side of connecting sleeve 107 is screwed with second hand screw bolt 108, and one end of second hand screw bolt 108 penetrates into connecting sleeve 107 and is in contact with spray head body 4, the utility model discloses a guide structure is set up, and the spray head body 4 is set up on guide structure, and the operator only needs to push and pull spray head body 4 to make spray head body 4 move under the limit of slide 101 and guide rail 1, and the spraying process can be completed, need not long time hand-held spray head body 4, greatly alleviateed hand labor intensity, improved work efficiency, and guide structure can be precisely guided to the spray head, ensures the stability and consistency of spraying path, to effectively improve the uniformity and precision of spraying, reduces the spraying error caused by hand tremor and other factors,

[0036] Spray head body 4 is a known structure, and its connection mode with the paint supply system and use method are common knowledge.

[0037] Further, as shown in Figure 2 The end of second connecting plate 103 close to first connecting plate 102 is provided with a connecting groove 104, and the top end of first connecting plate 102 is inserted into the connecting groove 104.

[0038] Further, as shown in Figures 1-2 The first hand screw bolt 105 is arranged between the second connecting plate 103 and the first connecting plate 102, the outer surface of the first hand screw bolt 105 is screwed with the nut 106, and the nut 106 is fixedly installed on the side surface of the second connecting plate 103. The second connecting plate 103 and the first connecting plate 102 are connected together through the cooperation of the nut 106 and the first hand screw bolt 105. After loosening the first hand screw bolt 105, the second connecting plate 103 can be rotated to adjust the angle of the second connecting plate 103, and then the angle of the spray head body 4 is adjusted.

[0039] In embodiment 2, the PCB board edge protection processing device provided in embodiment 1 is further optimized, and specifically, as shown in Figure 2 The limiting block 110 is installed at both ends of the guide rail 1, and the slide 101 is located between the two limiting blocks 110. The limiting block 110 can limit the slide 101 and reduce the situation that the slide 101 is separated from the guide rail 1 during movement.

[0040] Furthermore, a support plate 2 is provided at the bottom of the slide 101, and an adjusting component is provided between the support plate 2 and the guide rail 1. The adjusting component is used to adjust the position of the guide rail 1 on the support plate 2.

[0041] Furthermore, such as Figure 1 , Figure 3 and Figure 4 As shown, the adjusting component includes a slide groove 202 formed on the top of the support plate 2. A threaded rod 203 is connected to the slide groove 202 through a bearing. One end of the threaded rod 203 extends out of the support plate 2 and is fixedly connected to a handwheel 205. The handwheel 205 facilitates the rotation of the threaded rod 203.

[0042] Furthermore, such as Figure 1 As shown, a slider 204 is threadedly connected to the outer surface of the threaded rod 203. The top of the slider 204 is fixedly connected to the bottom of the guide rail 1. During the rotation of the threaded rod 203, the slider 204 can be driven to move horizontally. The slider 204 can drive the guide rail 1 to move horizontally, so as to adjust the position of the guide rail 1.

[0043] Example 3 further optimizes the PCB board edge protection treatment device provided in Example 1 or 2, specifically, as follows: Figure 1 and Figure 3 As shown, a base plate 201 is fixedly connected to one end of the support plate 2. A connecting shaft 206 is rotatably connected to the top of the base plate 201 via a bearing. A rotating table 207 is fixedly connected to the outer surface of the connecting shaft 206. The rotating table 207 can rotate to rotate the PCB board during the spraying process.

[0044] Furthermore, such as Figure 1 and Figure 3 As shown, a protective pad 208 is installed on the top of the rotary table 207. The protective pad 208 can be made of rubber, which can reduce the wear caused by the contact between the PCB board and the rotary table 207, and improve the stability of the PCB board after placement.

[0045] Furthermore, such as Figure 1 Figure 1 As shown, a laser positioning spotlight 3 is installed above the protective pad 208. The model of the laser positioning spotlight 3 is ZLM20X635-22BD. It can be installed using an existing support frame and suspended above the protective pad 208 to project a positioning laser line onto the protective pad 208 for positioning when the PCB board is placed and rotated, so that the edge of the PCB board is parallel to 1. The laser positioning spotlight 3 is existing technology, and its installation method, angle adjustment method, usage method and principle are all common knowledge.

[0046] The PCB board edge protection device provided by this utility model is used as follows:

[0047] Turn the handwheel 205, which drives the threaded rod 203 to rotate. When the threaded rod 203 rotates, it drives the slider 204 and the guide rail 1 to move. Adjust the distance between the guide rail 1 and the protective pad 208 according to the size of the PCB board so that the PCB board will not interfere with other parts when rotating. After loosening the first hand-tightening bolt 105, turn the nut 106 to adjust the spray angle of the nozzle body 4. Then tighten the first hand-tightening bolt 105. The laser positioning spotlight 3 projects a positioning laser line onto the protective pad 208. After positioning the laser line, place the PCB board on the protective pad 208. Push and pull the nozzle body 4 so that the nozzle body 4 moves along the edge of the PCB board to spray the edge of the PCB board through the nozzle body 4. During the spraying process, rotate the PCB board to spray multiple edges of the PCB board.

[0048] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0049] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. A PCB edge protection processing device, characterized by, The utility model provides a guiding structure, the guiding structure includes guide rail (1), the outer surface sliding connection of guide rail (1) has sliding seat (101), the top of sliding seat (101) is installed with first connecting plate (102), the top of first connecting plate (102) is provided with second connecting plate (103), and the rotation connection between second connecting plate (103) and first connecting plate (102), the one end of second connecting plate (103) away from first connecting plate (102) is connected with connecting sleeve (107), and the inner wall insertion of connecting sleeve (107) has shower head body (4), the side thread connection of connecting sleeve (107) has second hand screw bolt (108), and one end of second hand screw bolt (108) penetrates into connecting sleeve (107) and is in contact with shower head body (4).

2. The PCB edge protection processing device according to claim 1, wherein, The one end of second connecting plate (103) close to first connecting plate (102) is provided with connecting groove (104), and the top insertion of connecting groove (104) and first connecting plate (102).

3. The PCB edge protection processing device of claim 2, wherein, First hand screw bolt (105) is arranged between second connecting plate (103) and first connecting plate (102), the outer surface of first hand screw bolt (105) is threadedly connected with nut (106), and nut (106) is fixedly installed on the side of second connecting plate (103).

4. The PCB edge protection processing device according to claim 3, wherein, Both ends of guide rail (1) are provided with limiting block (110), and sliding seat (101) is located between the two limiting blocks (110).

5. The PCB edge protection processing device according to claim 4, wherein, The bottom of sliding seat (101) is provided with supporting plate (2), and adjusting part is arranged between supporting plate (2) and guide rail (1).

6. The PCB edge protection processing device according to claim 5, wherein, The adjusting part includes the sliding slot (202) of the top of supporting plate (2), the threaded rod (203) is connected with the sliding slot (202) through bearing, one end of threaded rod (203) penetrates supporting plate (2) and is fixedly connected with hand wheel (205).

7. The PCB edge protection processing device of claim 6, wherein, The outer surface of threaded rod (203) is threadedly connected with sliding block (204), and the top of sliding block (204) is fixedly connected with the bottom of guide rail (1).

8. The PCB edge protection processing device according to claim 7, wherein, One end of supporting plate (2) is fixedly connected with bottom plate (201), the top of bottom plate (201) is rotatably connected with connecting shaft (206) through bearing, and the outer surface of connecting shaft (206) is fixedly connected with rotary table (207).

9. The PCB edge protection processing device of claim 8, wherein, The top of rotary table (207) is provided with protective pad (208).

10. The PCB edge protection processing device of claim 9, wherein, The top of protective pad (208) is provided with laser positioning spotlight (3).