Circuit board solder resist coating device
By designing a circuit board solder resist coating device, the uniform coating of the circuit board by the drive motor and rotary structure is used to achieve the uniform coating of the circuit board, the problem of uneven solder resist coating is solved, the quality of the circuit board is improved, and the filter and brush structure is passed, material waste and environmental pollution are reduced.
Patent Information
- Application Number
- CN202421410246.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-20
AI Technical Summary
During the production process of electronic product circuit boards, the solder resist coating is uneven, resulting in the problem of degradation of circuit board quality and the easy drop of solder resist.
A circuit board solder resist coating device is designed. By setting up a driving motor, rotary column, rotary plate, slide chute, slider and transverse plate, the coating board reciprocates the circuit board on the circuit board frame to ensure uniform coating.
The uniformity of circuit board coating is achieved, the solder resist is not easy to fall off, the quality of circuit board finished products is improved, and the filter and brush structure is used to solve the problems of liquid leakage and material evaporation, reducing material waste and environmental pollution.
Smart Images

Figure CN222753604U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electronic manufacturing, in particular to a circuit board solder resist coating device. Background Art
[0002] At present, electronic products are developing rapidly, and a variety of electronic products are emerging in an endless stream, playing an important role in people's lives. Circuit boards are indispensable in the production of electronic products. Circuit boards are important components of electronic products. During the production process of circuit boards, solder resist needs to be coated to protect the circuit boards.
[0003] However, when the solder resist is applied, uneven coating often occurs, which affects the quality of the circuit board. Uneven solder resist is prone to falling off and damage. Utility Model Content
[0004] The utility model aims to provide a circuit board solder resist coating device to solve the problems raised in the above background technology.
[0005] In order to solve the above technical problems, the utility model provides a circuit board solder resist coating device, comprising a box body, the inner wall of the box body is fixed with a fixed plate three, a fixed plate two and a fixed plate one which are arranged parallel to each other from top to bottom, the bottom of the fixed plate two is rotatably connected with a rotating column one, the bottom of the rotating column one is rotatably connected with the top of the fixed plate one, a driving motor one is installed on the fixed plate one for driving the rotating column one to rotate, the top of the fixed plate one is slidably connected with a horizontally arranged transverse plate one, the top of the transverse plate one is provided with a slide groove one, and the top cross-sections of the transverse plate one and the slide groove one are both D-shaped structures, the outer wall of the rotating column one is fixed with a rotating plate one located between the fixed plate one and the fixed plate two, the bottom of the other end of the rotating plate one is fixed with a slider one, the slider one is slidably connected in the slide groove one, a horizontally arranged coating plate is fixed on the vertically arranged outer wall of the transverse plate one, a circuit board rack is provided below the coating plate, and cross bars are fixed on both side walls of the circuit board rack, and the other end of the cross bar is fixed on the inner wall of the box body.
[0006] Furthermore, the bottom of the fixed plate three is rotatably connected with a rotating column two, the bottom of the rotating column two is rotatably connected to the top of the fixed plate two, and a driving motor two for driving the rotating column two to rotate is installed on the fixed plate three. The top of the fixed plate two is slidably connected with a transverse plate two, and the transverse plate two has the same structure as the transverse plate one. The outer wall of the rotating column two is fixed with a rotating plate two located between the fixed plate two and the fixed plate three, and a slider two is fixed at the other end of the rotating plate two at the bottom, and the slider two is slidably connected to the slide groove two at the top of the transverse plate two, and a horizontally arranged rack is fixed on the vertically arranged outer wall of the transverse plate two, and a vertically arranged elastic telescopic rod is meshed with the top of the rack, and a rotating rod is passed through and fixed to the middle of the elastic telescopic rod, and both ends of the rotating rod are rotatably connected to the inner wall of the box body, and a brush plate is installed on the rotating rod, and the brush plate abuts against the inner wall of the top of the box body.
[0007] Furthermore, an elastic telescopic rod is fixed to the outer wall of the rotating rod, and the elastic telescopic rod includes a fixed ball 1, a telescopic part fixed to the fixed ball 1, a fixed part plugged into the telescopic part, and a rotating plate fixed to the other end of the fixed part. The rotating rod passes through the fixed ball 1 and is fixedly connected thereto. A storage groove is provided at the end of the fixed part, a spring is fixed in the storage groove, one end of the telescopic part is plugged into the storage groove and is fixedly connected to the spring, the top of the rotating plate is rotatably connected to a horizontally arranged collection box, the brush plate is fixed to the top of the collection box, and the brush plate is slidably connected to the inner wall of the top of the box body.
[0008] Furthermore, the number of the elastic telescopic rods is two, and the two elastic telescopic rods are symmetrically arranged on both sides of the gear.
[0009] Furthermore, a liquid collecting box is provided at the bottom of the inner wall of the box, a leak plate filter plate is clamped on the top of the liquid collecting box, and an observation window is provided on the front end surface of the box.
[0010] Furthermore, a surrounding frame is fixed to the front end surface of the fixing plate 1, and the surrounding frame is sleeved on the rear end surface of the coating plate and slidably connected thereto.
[0011] Furthermore, the top of the circuit board rack is provided with three to ten placement slots arranged at equal distances, and a feed pipe located above the placement slot is fixed to the front end surface of the coating plate, and the other end of the feed pipe is connected to a feed box fixed on the box body.
[0012] Furthermore, a lifting column is fixed to the bottom of the circuit board rack, and the top of the lifting column extends into the placement groove.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: first, by arranging a driving motor, a rotating column, a rotating plate, a slide groove, a slider and a transverse plate, the coating plate can reciprocately coat the circuit board on the circuit board rack, the circuit board is coated evenly, the solder resist is not easy to fall off, and the quality of the finished circuit board is improved; secondly, by arranging a filter under the circuit board, the leakage problem is effectively solved, and the inhibitor that may drip during the coating process can be captured and recovered in real time, which not only prevents the waste of materials, but also maintains the cleanliness of the working environment and reduces the potential risk of equipment damage; the plate brush structure arranged above the device cleverly collects the evaporated inhibitor, significantly reduces the material loss caused by evaporation, improves the resource utilization efficiency, and also reduces environmental pollution; finally, these improvement measures not only reflect the friendliness to the environment, but also save costs for the enterprise by reducing material waste, and achieve the dual benefits of economy and environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of a circuit board solder resist coating device;
[0015] Figure 2 It is a schematic diagram of the internal structure of a circuit board solder resist coating device;
[0016] Figure 3 It is a schematic structural diagram of the connection between the second rotating plate and the second lateral moving plate in a circuit board solder resist coating device;
[0017] Figure 4 The present invention is a schematic diagram of the structure of the connection between a rotating plate 1 and a lateral moving plate 1 in a circuit board solder resist coating device.
[0018] In the figure: 10, box body; 11, observation window; 20, rotating plate; 21, brush plate; 22, collecting box; 23, elastic telescopic rod; 24, fixed plate three; 25, rotating column two; 26, driving motor two; 27, rotating plate two; 28, transverse plate two; 30, fixed ball one; 31, rotating rod; 32, gear; 33, rack; 40, frame; 41, fixed plate two; 42, rotating column one; 43, driving motor one; 44, rotating plate one; 45, transverse plate one; 46, fixed plate one; 47, cross bar; 48, coating plate; 49, circuit board rack; 50, filter plate; 51, liquid collecting box. DETAILED DESCRIPTION
[0019] 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.
[0020] See also Figure 1-4 , the utility model provides a technical solution:
[0021] See also Figure 1-4 As shown, a circuit board solder resist coating device includes a box body 10, the inner wall of the box body 10 is fixed with a fixed plate 3 24, a fixed plate 2 41 and a fixed plate 1 46 arranged in parallel from top to bottom, the bottom of the fixed plate 2 41 is rotatably connected with a rotating column 1 42, the bottom of the rotating column 1 42 is rotatably connected to the top of the fixed plate 1 46, a driving motor 1 43 for driving the rotating column 1 42 to rotate is installed on the fixed plate 1 46, the top of the fixed plate 1 46 is slidably connected with a horizontally arranged transverse plate 1 45, the top of the transverse plate 1 45 is provided with a slide groove 1, and the top of the transverse plate 1 45 and the slide groove 1 are cut The surfaces are all D-shaped structures. A rotating plate 44 located between a fixed plate 46 and a fixed plate 41 is fixed to the outer wall of a rotating column 42. A slider 1 is fixed to the bottom of the other end of the rotating plate 44. The slider 1 is slidably connected to a slide groove 1. A horizontally arranged coating plate 48 is fixed to the vertically arranged outer wall of a transverse plate 45. A circuit board rack 49 is provided below the coating plate 48. Cross bars 47 are fixed to the two side walls of the circuit board rack 49. The other end of the cross bar 47 is fixed to the inner wall of the box body 10. A lifting column is fixed to the bottom of the circuit board rack 49, and the top of the lifting column extends into the placement groove.
[0022] See also Figure 1-4As shown, a circuit board solder resist coating device, the bottom of the fixed plate 3 24 is rotatably connected to the rotating column 25, the bottom of the rotating column 25 is rotatably connected to the top of the fixed plate 2 41, the fixed plate 3 24 is equipped with a driving motor 26 for driving the rotating column 25 to rotate, the top of the fixed plate 2 41 is slidably connected to the transverse plate 28, the transverse plate 28 has the same structure as the transverse plate 1 45, and the outer wall of the rotating column 25 is fixed with a rotating plate 27 located between the fixed plate 2 41 and the fixed plate 3 24. A slider 2 is fixed to the bottom of the other end of the rotating plate 27, and the slider 2 is slidably connected to the slide groove 2 at the top of the transverse plate 28. A horizontally arranged rack 33 is fixed on the vertically arranged outer wall of the transverse plate 28, and a vertically arranged elastic telescopic rod 23 is meshed on the top of the rack 33. A rotating rod 31 passes through and is fixed to the middle of the elastic telescopic rod 23. Both ends of the rotating rod 31 are rotatably connected to the inner wall of the box body 10, and a brush plate 21 is installed on the rotating rod 31, and the brush plate 21 abuts against the inner wall of the top of the box body 10. An elastic telescopic rod 23 is fixed to the outer wall of the rotating rod 31. The elastic telescopic rod 23 includes a fixed ball 30, a telescopic part fixed to the fixed ball 30, a fixed part plugged into the telescopic part, and a rotating plate 20 fixed to the other end of the fixed part. The rotating rod 31 passes through the fixed ball 30 and is fixedly connected thereto. A storage groove is provided at the end of the fixed part, a spring is fixed in the storage groove, one end of the telescopic part is plugged into the storage groove and is fixedly connected to the spring. The top of the rotating plate 20 is rotatably connected to a horizontally arranged collection box 22, and the brush plate 21 is fixed to the top of the collection box 22. The brush plate 21 is slidably connected to the top inner wall of the box body 10.
[0023] See also Figure 1-4 As shown, a circuit board solder resist coating device has two elastic telescopic rods 23, which are symmetrically arranged on both sides of the gear 32. A liquid collecting box 51 is provided at the bottom of the inner wall of the box 10, and a leak plate filter plate 50 is clamped on the top of the liquid collecting box 51. An observation window 11 is provided on the front end face of the box 10. A surrounding frame 40 is fixed on the front end face of the above-mentioned fixed plate 46, and the surrounding frame 40 is sleeved on the rear end face of the coating plate 48 and slidably connected thereto; three to ten placement slots are arranged at equal distances on the top of the circuit board rack 49, and a feed pipe located above the placement slot is fixed on the front end face of the coating plate 48, and the other end of the feed pipe is connected to a feed box fixed on the box 10.
[0024] Working principle:
[0025] Step 1: When the device is not in use, the filter plate 50 is placed on top of the liquid collecting box 51. The staff can observe through the observation window 11 whether the liquid collecting box 51 is full. Similarly, the staff can also observe whether the upper collecting box 22 is full and needs to be cleaned.
[0026] Step 2: When it is necessary to clean the evaporating inhibitor above, start the driving motor 26. The driving motor 26 drives the rotating column 25 to rotate through the internal rotating device, drives the rotating plate 27 to rotate around the semicircular track of the transverse plate 28, and drives the other end of the transverse plate 28 to reciprocate linearly, drives the rack 33 to reciprocate linearly and makes the gear 32 to move semicircularly, drives the rotating rod 31 to move semicircularly, makes the fixed ball 1 30 to move semicircularly, drives the elastic telescopic rod 23 to make the same semicircular motion around the axis of the gear 32, and drives the brush plate 21 to reciprocate linearly on the top of the box body 10;
[0027] Step 3: When the inhibitor needs to be coated, start the driving motor 43, which drives the rotating column 42 to rotate through the internal rotating device, drives the rotating plate 44 to rotate around the semicircular track of the transverse plate 45, and drives the coating plate 48 fixed at the straight end of the transverse plate 45 to reciprocate linearly;
[0028] Step 4: When the circuit board has been coated, the drive motor 1 43 and the drive motor 2 26 can be turned off, and then the front of the box 10 is opened, the circuit board is taken out, and a new circuit board to be coated is placed.
[0029] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.
Claims
1. A circuit board solder resist coating device, comprising a box (10), characterized in that: The inner wall of the box body (10) is fixed with a fixed plate 3 (24), a fixed plate 2 (41) and a fixed plate 1 (46) arranged in parallel from top to bottom. The bottom of the fixed plate 2 (41) is rotatably connected to a rotating column 1 (42). The bottom of the rotating column 1 (42) is rotatably connected to the top of the fixed plate 1 (46). A driving motor 1 (43) for driving the rotating column 1 (42) to rotate is installed on the fixed plate 1 (46). The top of the fixed plate 1 (46) is slidably connected to a horizontally arranged transverse plate 1 (45). The top of the transverse plate 1 (45) is provided with a slide groove 1. The transverse plate 1 (45) and the slide groove 1 are connected to each other. The top cross-section of the groove one is a D-shaped structure. A rotating plate one (44) located between a fixed plate one (46) and a fixed plate two (41) is fixed to the outer wall of the rotating column one (42). A slider one is fixed to the bottom of the other end of the rotating plate one (44). The slider one is slidably connected to the slide groove one. A coating plate (48) arranged horizontally is fixed to the outer wall of the transverse plate one (45) arranged vertically. A circuit board frame (49) is arranged below the coating plate (48). Cross bars (47) are fixed to the two side walls of the circuit board frame (49). The other end of the cross bar (47) is fixed to the inner wall of the box body (10).
2. A circuit board solder resist coating device as claimed in claim 1, characterized in that: The bottom of the fixed plate 3 (24) is rotatably connected to the rotating column 2 (25), and the bottom of the rotating column 2 (25) is rotatably connected to the top of the fixed plate 2 (41). The fixed plate 3 (24) is equipped with a driving motor 2 (26) for driving the rotating column 2 (25) to rotate. The top of the fixed plate 2 (41) is slidably connected to the transverse plate 2 (28). The transverse plate 2 (28) has the same structure as the transverse plate 1 (45). The outer wall of the rotating column 2 (25) is fixed with a rotating plate 2 (27) located between the fixed plate 2 (41) and the fixed plate 3 (24). The rotating plate 2 ( A slider 2 is fixed at the bottom of the other end, and the slider 2 is slidably connected to the slide groove 2 at the top of the transverse plate 2 (28). A horizontally arranged rack (33) is fixed on the vertically arranged outer wall of the transverse plate 2 (28). The top of the rack (33) is engaged with a vertically arranged elastic telescopic rod (23). A rotating rod (31) is passed through and fixed to the middle of the elastic telescopic rod (23). Both ends of the rotating rod (31) are rotatably connected to the inner wall of the box body (10). A brush plate (21) is installed on the rotating rod (31), and the brush plate (21) abuts against the inner wall of the top of the box body (10).
3. A circuit board solder resist coating device as claimed in claim 2, characterized in that: An elastic telescopic rod (23) is fixed to the outer wall of the rotating rod (31), the elastic telescopic rod (23) comprising a fixing ball (30), a telescopic portion fixed to the fixing ball (30), a fixing portion plugged into the telescopic portion, and a rotating plate (20) fixed to the other end of the fixing portion. The rotating rod (31) passes through the fixing ball (30) and is fixedly connected thereto. A storage groove is provided at the end of the fixing portion, a spring is fixed in the storage groove, one end of the telescopic portion is plugged into the storage groove and is fixedly connected to the spring. The top of the rotating plate (20) is rotatably connected to a horizontally arranged collection box (22), the brush plate (21) is fixed to the top of the collection box (22), and the brush plate (21) is slidably connected to the inner wall of the top of the box body (10).
4. A circuit board solder resist coating device as claimed in claim 2, characterized in that: The number of the elastic telescopic rods (23) is two, and the two elastic telescopic rods (23) are symmetrically arranged on both sides of the gear (32).
5. A circuit board solder resist coating device as claimed in claim 1, characterized in that: A liquid collecting box (51) is provided at the bottom of the inner wall of the box body (10), a drain plate filter plate (50) is clamped on the top of the liquid collecting box (51), and an observation window (11) is provided on the front end surface of the box body (10).
6. A circuit board solder resist coating device as claimed in claim 1, characterized in that: A surrounding frame (40) is fixed to the front end surface of the fixing plate 1 (46), and the surrounding frame (40) is sleeved on the rear end surface of the coating plate (48) and is slidably connected thereto.
7. A circuit board solder resist coating device as claimed in claim 1, characterized in that: The top of the circuit board rack (49) is provided with three to ten placement slots arranged at equal distances, and a feed pipe located above the placement slot is fixed to the front end surface of the coating plate (48), and the other end of the feed pipe is connected to a feed box fixed on the box body (10).
8. A circuit board solder resist coating device as claimed in claim 1, characterized in that: A lifting column is fixed to the bottom of the circuit board rack (49), and the top of the lifting column extends into the placement groove.