Paint brushing device for circuit board
By designing a paint brushing device for circuit boards, combining a paint brushing mechanism of air pump and spring, as well as a spring-driven clamping assembly and a motor-driven gear system, the problem of easy deviation of circuit boards during paint brushing is solved, and the integrity and quality of paint brushing is achieved.
Patent Information
- Application Number
- CN202421479476.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-06-26
AI Technical Summary
The existing paint brushing device for circuit boards can easily lead to deviation of circuit boards during movement, resulting in incomplete paint brushing.
A device is designed including a paint brushing mechanism and a moving clamping mechanism. The paint brushing mechanism ensures that the paint brushing roller is in close contact with the circuit board through the cooperation of the air pump and the spring; the moving clamping mechanism is fixed and moved through the spring-driven clamping assembly and the motor-driven gear system to prevent deviation.
It effectively prevents the circuit board from being offset during the painting process, ensuring the integrity and quality of the painting.
Smart Images
Figure CN222872544U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of circuit boards, in particular to a paint brushing device for circuit boards. Background Art
[0002] In the field of electronic technology, a conductive pattern made of printed circuits, printed components or a combination of the two on an insulating material according to a predetermined design is usually called a printed circuit. The conductive pattern that provides electrical connections between components on an insulating substrate is called a printed circuit. In this way, the finished board of a printed circuit or printed circuit is called a printed circuit board, also known as a printed board or printed circuit board.
[0003] According to patent CN 218450764 U, a paint brushing device for circuit boards includes a paint storage box and a paint brushing mechanism; the paint storage box: the upper ends of the front and rear sides are provided with evenly distributed strip openings, the interior of the strip openings is provided with vertical poles, the outer arc surfaces of the vertical poles are movably sleeved with lifting blocks, and the two longitudinally corresponding lifting blocks are rotatably connected with pressure rollers through pin shafts; the paint brushing mechanism: includes a rotating rod and a brush roller, the rotating rod is evenly rotatably connected to the inner upper end of the paint storage box through a bearing, and the outer arc surface of the rotating rod vertically corresponding to the pressure roller is fixedly sleeved with a brush roller.
[0004] The lifting block of the patent is affected by its own gravity and the elastic potential energy of the spring, which will drive the pressure roller to move down and press the circuit board tightly, ensuring that the circuit board is in close contact with the brush roller to ensure that the three-proof paint can be normally applied to the circuit board. The brush roller in the patent moves downward by the elastic force of the spring, but the circuit board is directly placed on the upper surface of the brush roller. The circuit board is moved by the motor without being fixed, which will cause the circuit board to deviate during the movement, resulting in incomplete painting of the circuit board. Utility Model Content
[0005] The purpose of the utility model is to provide a paint brushing device for a circuit board to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a painting device for a circuit board, comprising a bottom plate, a through slot is provided on the top of the bottom plate, a box is fixedly connected to the back of the bottom plate, a feed pipe is fixedly connected to the back of the box near the bottom, an air pump is fixedly connected to the other end of the feed pipe, a discharge pipe is fixedly connected to the back of the air pump, a nozzle is fixedly connected to the other end of the discharge pipe, a painting mechanism is fixedly connected to the top of the bottom plate, and a movable clamping mechanism is provided in the through slot;
[0007] The movable clamping mechanism comprises a movable component and a clamping component. The movable component is arranged in the through slot, and the clamping component is arranged on the top of the movable component.
[0008] Preferably, the front side of the air pump is fixedly connected to the back side of the box.
[0009] Preferably, the paint brushing mechanism includes a connecting frame, which is fixedly connected to the top of the base plate in a left-right symmetrical manner, and a first slide groove is opened on the front and rear sides of the connecting frame. A first connecting rod is fixedly connected to the bottom and top of the first slide groove in a left-right symmetrical manner, and a first connecting block is slidably connected to the surface of the first connecting rod, and a paint roller is rotatably connected to the back of the first connecting block in front of the connecting frame, and a first spring is sleeved on the surface of the first connecting rod between the top of the first slide groove and the first connecting block.
[0010] Preferably, the top of the first spring is fixedly connected to the top of the first slide groove, the bottom of the first spring is fixedly connected to the top of the first connecting block, and the rear end of the paint roller is rotatably connected to the front side of the first connecting block behind the connecting frame.
[0011] Preferably, the moving component includes a second slide groove, the second slide groove is opened on both sides of the through groove, a slider is slidably connected in the second slide groove, a placement block is fixedly connected to the side of the slider close to the through groove, a rack is symmetrically fixedly connected to the bottom of the placement block, an L-plate is fixedly connected to the front of the base plate, a motor is fixedly connected to the back of the L-plate, a rotating shaft is fixedly connected to the output end of the motor, a gear is symmetrically fixedly connected to the surface of the rotating shaft, and a bearing seat is fixedly connected to the bottom of the base plate near the back.
[0012] Preferably, the gear is meshed with the rack, the bearing race is fixedly connected to the surface of the rotating shaft near the rear end, and the rotating shaft seat supports the rotating shaft to make the rotating shaft rotate more stably.
[0013] Preferably, the clamping assembly includes a third slide groove, which is symmetrically opened at the top of the placement block near the back, and a second connecting rod is fixedly connected to the front and rear sides of the third slide groove, and a second connecting block is slidably connected to the surface of the second connecting rod, and a clamping plate is fixedly connected to the top of the second connecting block, and a second spring is sleeved on the surface of the second connecting rod between the back of the third slide groove and the second connecting block.
[0014] Preferably, one end of the second spring is fixedly connected to the back side of the second connecting block, and the other end of the second spring is fixedly connected to the back side of the third slide groove. There are two groups of clamping assemblies, which are symmetrically arranged on the top of the placement block.
[0015] Compared with the prior art, the utility model provides a paint brushing device for circuit boards, which has the following beneficial effects:
[0016] 1. The paint brushing device for circuit boards uses an air pump to pump paint from a box to a nozzle through a paint brushing mechanism. The paint is sprayed onto the surface of a paint brush roller through the nozzle. The paint brush roller moves downward by the elastic force of a first spring, thereby better painting the circuit board. Two paint brush rollers are provided, so that the circuit board can be painted more thoroughly.
[0017] 2. The painting device for the circuit board places the circuit on the placement block by moving the clamping mechanism. The two clamping blocks will move toward each other through the elastic force of the second spring, thereby clamping and fixing the circuit board to prevent the circuit board from shifting when painting, thereby causing incomplete painting of the circuit board. After the circuit board is clamped and fixed, the motor is started, and the rotating shaft is rotated through the operation of the motor, thereby rotating the two gears. Since the gear is meshed with the rack, the rotation of the gear will cause the rack to move left and right, and the left and right movement of the rack causes the placement block to move left and right, further causing the slider to slide in the second slide groove. The slider slides in the second slide groove, which can make the placement block move more stably. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:
[0019] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the back side of the structural bottom plate of the utility model;
[0021] Figure 3 This is a schematic diagram of the paint brushing mechanism of the utility model structure;
[0022] Figure 4 It is a schematic diagram of the mobile component of the structure of the utility model;
[0023] Figure 5 This is a schematic diagram of the bottom of the structural bottom plate of the utility model;
[0024] Figure 6 It is a schematic diagram of the structural clamping assembly of the utility model.
[0025] In the figure: 1. bottom plate; 2. through groove; 3. box body; 31. feed pipe; 32. air pump; 33. discharge pipe; 34. nozzle; 4. paint brushing mechanism; 41. connecting frame; 42. first slide groove; 43. first connecting rod; 44. first connecting block; 45. first spring; 46. paint brushing roller; 5. mobile clamping mechanism; 51. moving assembly; 511. second slide groove; 512. slider; 513. placement block; 514. L plate; 515. rack; 516. motor; 517. rotating shaft; 518. gear; 519. bearing seat; 52. clamping assembly; 521. third slide groove; 522. second connecting rod; 523. second connecting block; 524. clamping plate; 525. second spring. DETAILED DESCRIPTION
[0026] 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.
[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0028] The utility model provides the following technical solutions:
[0029] Embodiment 1
[0030] See also Figure 1-3 A painting device for a circuit board comprises a base plate 1, a through slot 2 is provided on the top of the base plate 1, a box body 3 is fixedly connected to the back of the base plate 1, a feed pipe 31 is fixedly connected to the back of the box body 3 near the bottom, an air pump 32 is fixedly connected to the other end of the feed pipe 31, a discharge pipe 33 is fixedly connected to the back of the air pump 32, a nozzle 34 is fixedly connected to the other end of the discharge pipe 33, a painting mechanism 4 is fixedly connected to the top of the base plate 1, and a movable clamping mechanism 5 is arranged in the through slot 2.
[0031] The front side of the air pump 32 is fixedly connected to the back side of the box body 3 .
[0032] The paint brushing mechanism 4 includes a connecting frame 41, which is fixedly connected to the top of the base plate 1 in a left-right symmetrical manner. A first slide groove 42 is opened on the front and back sides of the connecting frame 41. A first connecting rod 43 is fixedly connected to the bottom and top of the first slide groove 42 in a left-right symmetrical manner. A first connecting block 44 is slidably connected to the surface of the first connecting rod 43. A paint roller 46 is rotatably connected to the back of the first connecting block 44 in front of the connecting frame 41. A first spring 45 is sleeved on the surface of the first connecting rod 43 between the top of the first slide groove 42 and the first connecting block 44.
[0033] The top of the first spring 45 is fixedly connected to the top of the first slide slot 42 , the bottom of the first spring 45 is fixedly connected to the top of the first connecting block 44 , and the rear end of the paint roller 46 is rotatably connected to the front of the first connecting block 44 behind the connecting frame 41 .
[0034] Embodiment 2
[0035] See also Figure 4-6 On the basis of the first embodiment, the mobile clamping mechanism 5 further comprises a mobile component 51 and a clamping component 52 , the mobile component 51 is arranged in the through groove 2 , and the clamping component 52 is arranged on the top of the mobile component 51 .
[0036] The moving component 51 includes a second slide groove 511, which is opened on the front and rear sides of the through groove 2. A slider 512 is slidably connected in the second slide groove 511, and a placement block 513 is fixedly connected to the side of the slider 512 close to the through groove 2. A rack 515 is fixedly connected to the bottom of the placement block 513 symmetrically front and back. An L-plate 514 is fixedly connected to the front of the base plate 1, and a motor 516 is fixedly connected to the back of the L-plate 514. A rotating shaft 517 is fixedly connected to the output end of the motor 516, and a gear 518 is fixedly connected to the surface of the rotating shaft 517 symmetrically front and back. A bearing seat 519 is fixedly connected to the bottom of the base plate 1 near the back.
[0037] The gear 518 is meshed with the rack 515, and the bearing seat 519 is fixedly connected to the surface of the rotating shaft 517 near the rear end. The rotating shaft 517 seat supports the rotating shaft 517, so that the rotating shaft 517 rotates more stably.
[0038] The clamping assembly 52 includes a third slide groove 521, which is symmetrically opened at the top of the placement block 513 near the back. The third slide groove 521 is fixedly connected with a second connecting rod 522 on both sides of the front and rear. The second connecting block 523 is slidably connected to the surface of the second connecting rod 522. A clamping plate 524 is fixedly connected to the top of the second connecting block 523. A second spring 525 is sleeved on the surface of the second connecting rod 522 between the back of the third slide groove 521 and the second connecting block 523.
[0039] One end of the second spring 525 is fixedly connected to the back of the second connecting block 523 , and the other end of the second spring 525 is fixedly connected to the inner back of the third sliding groove 521 . There are two groups of clamping components 52 , which are symmetrically arranged on the top of the placement block 513 .
[0040] In actual operation, when the device is used, the air pump 32 is used to pump the paint from the box 3 to the nozzle 34, and the paint is sprayed on the surface of the paint roller 46 through the nozzle 34. The paint roller 46 moves downward due to the elastic force of the first spring 45, so as to better paint the circuit board. Two paint rollers 46 are provided, so that the circuit board can be painted more thoroughly.
[0041] When the circuit is placed on the placement block 513, the two clamping blocks will move toward each other due to the elastic force of the second spring 525, thereby clamping and fixing the circuit board to prevent the circuit board from shifting when painting, thereby causing incomplete painting of the circuit board. After the circuit board is clamped and fixed, start the motor 516, and the motor 516 rotates the rotating shaft 517, thereby rotating the two gears 518. Since the gear 518 is meshed with the rack 515, the rotation of the gear 518 will cause the rack 515 to move left and right, and the left and right movement of the rack 515 causes the placement block 513 to move left and right, further causing the slider 512 to slide in the second slide groove 511. The slider 512 slides in the second slide groove 511, which can make the movement of the placement block 513 more stable.
[0042] 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 statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.
Claims
1. A painting device for a circuit board, comprising a base plate (1), characterized in that: A through groove (2) is provided on the top of the bottom plate (1); a box body (3) is fixedly connected to the back of the bottom plate (1); a feed pipe (31) is fixedly connected to the back of the box body (3) near the bottom; an air pump (32) is fixedly connected to the other end of the feed pipe (31); a discharge pipe (33) is fixedly connected to the back of the air pump (32); a nozzle (34) is fixedly connected to the other end of the discharge pipe (33); a paint brushing mechanism (4) is fixedly connected to the top of the bottom plate (1); and a movable clamping mechanism (5) is provided in the through groove (2); The movable clamping mechanism (5) comprises a movable component (51) and a clamping component (52); the movable component (51) is arranged in the through slot (2); and the clamping component (52) is arranged on the top of the movable component (51).
2. A painting device for a circuit board according to claim 1, characterized in that: The front side of the air pump (32) is fixedly connected to the back side of the box body (3).
3. A painting device for a circuit board according to claim 1, characterized in that: The paint brushing mechanism (4) comprises a connecting frame (41), the connecting frame (41) is fixedly connected to the top of the base plate (1) in a symmetrical manner, the connecting frame (41) is provided with a first slide groove (42) on both the front and rear sides, the first slide groove (42) is symmetrically fixedly connected to the bottom and top of the first slide groove (42), the surface of the first connecting rod (43) is slidably connected to the first connecting block (44), the back of the first connecting block (44) in front of the connecting frame (41) is rotatably connected to the paint brushing roller (46), and the surface of the first connecting rod (43) is sleeved with a first spring (45) between the top of the first slide groove (42) and the first connecting block (44).
4. A painting device for a circuit board according to claim 3, characterized in that: The top of the first spring (45) is fixedly connected to the top of the first slide groove (42), the bottom of the first spring (45) is fixedly connected to the top of the first connecting block (44), and the rear end of the paint roller (46) is rotatably connected to the front of the first connecting block (44) behind the connecting frame (41).
5. A painting device for a circuit board according to claim 1, characterized in that: The moving component (51) comprises a second slide groove (511), the second slide groove (511) is opened at the front and rear sides of the through groove (2), a slider (512) is slidably connected in the second slide groove (511), a placement block (513) is fixedly connected to the side of the slider (512) close to the through groove (2), a rack (515) is fixedly connected to the bottom of the placement block (513) symmetrically in the front and rear, an L-plate (514) is fixedly connected to the front of the base plate (1), a motor (516) is fixedly connected to the back of the L-plate (514), a rotating shaft (517) is fixedly connected to the output end of the motor (516), a gear (518) is fixedly connected to the surface of the rotating shaft (517) symmetrically in the front and rear, and a bearing seat (519) is fixedly connected to the bottom of the base plate (1) near the back.
6. A painting device for a circuit board according to claim 5, characterized in that: The gear (518) is meshed with the rack (515), and the bearing seat (519) is fixedly connected to the surface of the rotating shaft (517) near the rear end.
7. A painting device for a circuit board according to claim 1, characterized in that: The clamping assembly (52) includes a third slide groove (521), which is symmetrically opened at the top of the placement block (513) near the back, and the second connecting rod (522) is fixedly connected to the front and rear sides of the third slide groove (521), and the second connecting block (523) is slidably connected to the surface of the second connecting rod (522), and the top of the second connecting block (523) is fixedly connected to a clamping plate (524), and the surface of the second connecting rod (522) is sleeved with a second spring (525) between the back of the third slide groove (521) and the second connecting block (523).
8. A painting device for a circuit board according to claim 7, characterized in that: One end of the second spring (525) is fixedly connected to the back side of the second connecting block (523), and the other end of the second spring (525) is fixedly connected to the inner back side of the third sliding groove (521). The clamping assembly (52) has two groups, and is symmetrically arranged on the top of the placement block (513) in a front-to-back manner.