Multi-angle cleaning device for tin-sprayed circuit board production

Abstract

The invention discloses a multi-angle cleaning device for tin-sprayed circuit board production, and relates to the technical field of circuit board cleaning equipment. The invention provides a multi-angle cleaning device for tin-sprayed circuit board production, which comprises a rack and the like, the rack is fixedly connected with a protective shell, the rack is provided with paired moving assemblies, the moving assemblies are provided with clamping assemblies, the rack is provided with a cleaning assembly, the rack is fixedly connected with an air cylinder, and the rack is slidably connected with a mounting frame. The mounting frame is fixedly connected with the telescopic end of the air cylinder, the mounting frame is rotationally connected with paired winding shafts, adhesive films are wound between the paired winding shafts, and the mounting frame is fixedly connected with a motor. According to the cleaning device, dust and other impurities on the surface of the circuit board can be continuously and effectively adhered and cleaned through the adhesive film, the winding shaft and other components, and workers do not need to frequently replace and clean part of cleaning components, so that the use experience of a user is improved; and the use convenience and the cleaning effect of the multi-angle cleaning device for tin-sprayed circuit board production are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of circuit board cleaning equipment, and particularly relates to a multi-angle cleaning device for tin spraying circuit board production. BACKGROUND

[0002] Tin spraying circuit board is a printed circuit board (PCB) adopting a tin spraying process in a surface treatment process. A molten tin-lead or lead-free tin alloy is sprayed onto the surface of the PCB to form a uniform tin layer, so as to enhance the soldering performance and weldability, and prevent copper surface oxidation. The tin spraying process includes the steps of oil removal cleaning, micro-etching roughening, activation treatment, solder bath tin immersion, hot air leveling, water washing and drying, and quality detection. The tin spraying circuit board has excellent weldability, outstanding cost effectiveness, and good compatibility.

[0003] During production, the surface of the circuit board is contaminated with dust, fingerprints, and oil stains, etc. These contaminants affect the bonding force between the tin spraying layer and the copper surface, and cause insufficient adhesion of the tin spraying layer, so that the circuit board is prone to have quality problems such as virtual welding and false welding during welding, and the electrical performance of the circuit board is reduced. Therefore, it is necessary to clean the impurities on the surface of the circuit board in the pretreatment process. Although the existing cleaning device for tin spraying circuit board production can adhere and clean the impurities on the surface of the circuit board through the dust sticking roller, in order to avoid secondary pollution of the impurities adhered to the dust sticking roller to the surface of the subsequent circuit board, workers usually need to frequently replace and clean the dust sticking roller. However, the frequent replacement of the dust sticking roller is time-consuming and laborious, and the cleaning of the dust sticking roller alone gradually reduces the adhesion and cleaning capacity of the dust sticking roller to the impurities, thereby reducing the cleaning effect of the device.

[0004] Based on the above situation, the present application provides a multi-angle cleaning device for tin spraying circuit board production which is convenient to use and has good cleaning effect. SUMMARY

[0005] In order to overcome the shortcomings that the existing cleaning device for tin spraying circuit board production can adhere and clean the impurities on the surface of the circuit board through the dust sticking roller, in order to avoid secondary pollution of the impurities adhered to the dust sticking roller to the surface of the subsequent circuit board, workers usually need to frequently replace and clean the dust sticking roller, and the frequent replacement of the dust sticking roller is time-consuming and laborious, and the cleaning of the dust sticking roller alone gradually reduces the adhesion and cleaning capacity of the dust sticking roller to the impurities, thereby reducing the cleaning effect of the device, the present application provides a multi-angle cleaning device for tin spraying circuit board production which is convenient to use and has good cleaning effect.

[0006] A multi-angle cleaning device for tin spraying circuit board production, comprising a rack, a protective shell, a clamping assembly, a moving assembly, a cleaning assembly, a gas cylinder, a mounting frame, an adhesive film, a motor and a winding shaft, the rack is fixedly connected with the protective shell, the rack is provided with a pair of moving assemblies, the moving assembly is provided with the clamping assembly, the rack is provided with the cleaning assembly, the rack is fixedly connected with the gas cylinder, the rack is slidingly connected with the mounting frame, the mounting frame is fixedly connected with the telescopic end of the gas cylinder, the mounting frame is rotatably connected with a pair of winding shafts, the adhesive film is wound between the pair of winding shafts, the adhesive film is slidingly connected with the mounting frame, the mounting frame is fixedly connected with the motor, and the output end of the motor is fixedly connected with one side of the winding shaft.

[0007] Optionally, the mounting frame is fixedly connected with a protective shell.

[0008] Optionally, further comprising an adjusting mechanism, the adjusting mechanism is arranged on the moving assembly, the adjusting mechanism comprises a guide frame, a moving plate, an electric push rod, a limiting block and a connecting plate, the pair of guide frames are fixedly connected with the moving assembly, the moving plate is slidingly connected between the pair of guide frames through a damping belt, the electric push rod is slidingly connected with the moving plate, the connecting plate is fixedly connected with the telescopic end of the electric push rod, the limiting block is rotatably connected with the connecting plate, and the limiting block is slidingly connected with the clamping assembly.

[0009] Optionally, further comprising a fitting mechanism, the fitting mechanism is arranged on the mounting frame, the fitting mechanism comprises a rotating block and a transmission belt, the rotating block is rotatably connected with the mounting frame, the rotating block is in contact with the adhesive film, and the transmission belt is sleeved between the rotating block and one side of the winding shaft.

[0010] Optionally, the rotating block is fixedly connected with uniformly distributed flexible ball rods.

[0011] Optionally, further comprising a collecting mechanism, the collecting mechanism is arranged on the cleaning assembly, the collecting mechanism comprises a fixed block, a connecting block, an air guide pipe and a material pump, the fixed blocks are circumferentially and equidistantly distributed and fixedly connected with the cleaning assembly, the connecting block is fixedly connected between the circumferentially and equidistantly distributed fixed blocks, the connecting block is rotatably connected with the cleaning assembly and communicates with the cleaning assembly, the rack is fixedly connected with the material pump, and the air guide pipe is fixedly and communicatively connected between the material pump and the connecting block.

[0012] Optionally, further comprising an expansion mechanism, the expansion mechanism is arranged on the mounting frame, the expansion mechanism comprises a resisting frame, a guide plate and a elastic rope, the guide plate is fixedly connected with the mounting frame, the resisting frame is slidingly connected with the guide plate, and the pair of elastic ropes are fixedly connected between the resisting frame and the guide plate, and the resisting frame is in contact with the adhesive film.

[0013] Optionally, the resisting frame is provided with an arc surface.

[0014] The beneficial effects of the present application are: 1. The present application can effectively adhere and clean the dust and other impurities on the surface of the circuit board continuously through the mucosa and winding shaft and other components, and workers do not need to replace and clean the part of the cleaning component from time to time, which improves the user experience and the use convenience and cleaning effect of the multi-angle cleaning device for the soldering circuit board production.

[0015] 2. The present application can adjust the inclination angle of the circuit board as needed through the electric push rod and limit block and other components, so that the cleaning assembly can clean the circuit board at multiple angles to ensure that all areas on the circuit board can be thoroughly cleaned, thereby improving the cleaning effect of the multi-angle cleaning device for the soldering circuit board production.

[0016] 3. The present application can make the mucosa adhere to the circuit board as much as possible when adhering and cleaning the dust and other impurities on the surface of the circuit board through the runner block and transmission belt and other components, thereby expanding the cleaning area of the mucosa and reducing the cleaning dead angle of the mucosa, and improving the cleaning effect of the multi-angle cleaning device for the soldering circuit board production.

[0017] 4. The present application can clean and collect the dust and other impurities brushed down by the cleaning assembly through the connecting block and material pump and other components, thereby avoiding the dust and other impurities brushed down from being blown away and causing pollution to other parts of the circuit board surface and the surrounding environment, and improving the cleaning effect and practicality of the multi-angle cleaning device for the soldering circuit board production.

[0018] 5. The present application can clean the edges and sides of the circuit board through the mucosa, thereby expanding the cleaning area of the mucosa and achieving more comprehensive cleaning, and improving the cleaning effect of the multi-angle cleaning device for the soldering circuit board production. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application.

[0020] Figure 2 It is a schematic diagram of the three-dimensional structure of the rack, protective shell and clamping assembly and other components of the present application.

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the clamping assembly, moving assembly and cleaning assembly and other components of the present application.

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the cylinder, mounting bracket and mucosa and other components of the present application.

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the mounting bracket, mucosa and motor and other components of the present application.

[0024] Figure 6It is a stereoscopic structure schematic diagram of the guide frame, moving plate, electric push rod and other components of the application.

[0025] Figure 7 It is a stereoscopic structure schematic diagram of the electric push rod, limiting block, connecting plate and other components of the application.

[0026] Figure 8 It is a stereoscopic structure schematic diagram of the rotating block, transmission belt and mounting frame and other components of the application.

[0027] Figure 9 It is a stereoscopic structure schematic diagram of the rotating block and transmission belt of the application.

[0028] Figure 10 It is a stereoscopic structure schematic diagram of the fixed block, connecting block and air guide pipe and other components of the application.

[0029] Figure 11 It is a stereoscopic structure schematic diagram of the connecting block, air guide pipe and material pump and other components of the application.

[0030] Figure 12 It is a stereoscopic structure schematic diagram of the resisting frame, guide plate and mucous membrane and other components of the application.

[0031] Figure 13 It is a stereoscopic structure schematic diagram of the resisting frame, guide plate and elastic rope of the application.

[0032] Markings in the drawings: 1: rack, 11: protective shell, 12: clamping assembly, 13: moving assembly, 14: cleaning assembly, 15: air cylinder, 16: mounting frame, 17: mucous membrane, 18: motor, 19: winding shaft, 2: guide frame, 21: moving plate, 22: electric push rod, 23: limiting block, 24: connecting plate, 3: rotating block, 31: transmission belt, 4: fixed block, 41: connecting block, 42: air guide pipe, 43: material pump, 5: resisting frame, 51: guide plate, 52: elastic rope. DETAILED DESCRIPTION

[0033] The embodiments of the application are described below with reference to the accompanying drawings.

[0034] Example 1 A multi-angle cleaning device for tin-sprayed circuit board production, like Figures 1-5As shown in the figure, including the frame 1, the protective shell 11, the clamping assembly 12, the moving assembly 13, the cleaning assembly 14, the cylinder 15, the mounting frame 16, the mucosa 17, the motor 18 and the winding shaft 19, the frame 1 upper part is fixedly connected with the protective shell 11, the frame 1 middle part left and right sides are both installed with the moving assembly 13, the moving assembly 13 top is installed with the clamping assembly 12, the frame 1 upper part is installed with the cleaning assembly 14, the frame 1 upper part is fixedly connected with the cylinder 15, the frame 1 upper part is slidably connected with the mounting frame 16, the mounting frame 16 is fixedly connected with the telescopic end of the cylinder 15, the mounting frame 16 middle part front and back sides are both rotatably connected with the winding shaft 19, the front and back winding shaft 19 are wound with the mucosa 17, the mucosa 17 is slidably connected with the mounting frame 16, the mounting frame 16 rear side left part is fixedly connected with the motor 18, and the output end of the motor 18 is fixedly connected with the rear winding shaft 19.

[0035] As shown in the figure, Figure 8 and Figure 9 the mounting frame 16 right side is fixedly connected with the protective shell.

[0036] As shown in the figure, Figure 8 and Figure 9 the mounting frame 16 is further provided with the fitting mechanism, the fitting mechanism includes the rotating block 3 and the transmission belt 31, the rotating block 3 is rotatably connected to the mounting frame 16 lower side middle part, the rotating block 3 is in contact with the mucosa 17, and the transmission belt 31 is sleeved between the rotating block 3 and the rear winding shaft 19.

[0037] As shown in the figure, Figure 8 and Figure 9 the rotating block 3 outer part is fixedly connected with the uniformly distributed flexible ball rod.

[0038] As shown in the figure, Figure 12 and Figure 13 the mounting frame 16 is further provided with the expansion mechanism, the expansion mechanism includes the abutment 5, the guide plate 51 and the elastic rope 52, the guide plate 51 is fixedly connected to the mounting frame 16 lower part front side, the guide plate 51 middle part is slidably connected with the abutment 5, the abutment 5 left and right sides are both fixedly connected with the elastic rope 52 between the abutment 5 and the guide plate 51, and the abutment 5 is in contact with the mucosa 17.

[0039] As shown in the figure, Figure 12 and Figure 13 the abutment 5 left and right sides are both provided with the arc surface.

[0040] When workers need to clean dust and other impurities on the surface of the circuit board, they can first place the circuit board in a suitable position and clamp the circuit board through the clamping assembly 12, and then use the moving assembly 13 to drive the clamping assembly 12 and the circuit board to move backward together, and during the movement, the brush at the bottom of the cleaning assembly 14 rotates and moves back and forth to perform a preliminary cleaning of dust and other impurities on the surface of the circuit board. During this period, workers can also use the cylinder 15 to drive the mounting frame 16 and other components to a suitable height and start the motor 18. The motor 18 will drive the winding shaft 19 on the rear side to rotate and rewind the mucous film 17, and the winding shaft 19 on the front side will also rotate and rewind the rewound mucous film 17 is gradually released. When the circuit board continues to move backward under the action of the moving component 13 and contacts the mucous membrane 17, the rear end of the circuit board will use the mucous membrane 17 to squeeze the bracket 5 and make it move upward along the guide plate 51 until the bottom of the mucous membrane 17 becomes horizontal and separates from the rear end of the circuit board. The elastic rope 52 is then stretched, so that the edge and side of the circuit board can be cleaned with the help of the mucous membrane 17, thereby expanding the cleaning area of ​​the mucous membrane 17 and achieving more comprehensive cleaning. Since the winding speed of the mucous membrane 17 by the winding shaft 19 on the rear side is consistent with the speed of the moving component 13 and the circuit board moving backward, when the circuit board continues to move backward under the action of the moving component 13 and contacts the mucous membrane When the film 17 comes into contact with the circuit board, the mucous film 17 will adhere to the top surface of the circuit board and move backward together until the mucous film 17 is separated from the circuit board due to being rolled up by the winding shaft 19 on the rear side. In this way, the dust and other impurities on the surface of the circuit board can be continuously and effectively adhered and cleaned with the help of the mucous film 17, and workers do not need to frequently replace and clean some cleaning components, which improves the user experience. During this period, the winding shaft 19 on the rear side rotates under the action of the motor 18 and also drives the wheel block 3 to rotate through the transmission belt 31. The rotation of the wheel block 3 will cause the flexible ball rods evenly distributed on its outside to contact and squeeze the mucous film 17, so that the mucous film 17 fits the circuit board as much as possible, thereby expanding the cleaning effect. The cleaning area of ​​the mucosa 17 is increased and the cleaning dead angle of the mucosa 17 is reduced. When the circuit board moves backward to separate from the mucosa 17 and the surface cleaning is completed, the worker can first turn off the motor 18 and the cleaning component 14 and remove the circuit board from the clamping component 12 after cleaning. At this time, the support frame 5 is no longer restricted by the circuit board and will move downward along the guide plate 51 under the action of its own gravity and the elastic force of the elastic rope 52 to reset and squeeze the mucosa 17, thereby pulling a small amount of mucosa 17 from the winding shaft 19 on the front side and restoring the mucosa 17 to its original state. Then, the clamping component 12, the mounting frame 16 and the motor 18 and other components are driven to move in the opposite direction and reset through the moving component 13 and the cylinder 15.

[0041] Example 2 On the basis of Example 1, Figure 6 and Figure 7As shown, it also includes an adjusting mechanism, which is arranged on the moving assembly 13, and the adjusting mechanism includes the guide frames 2, the moving plates 21, the electric push rods 22, the limiting blocks 23 and the connecting plates 24, the four guide frames 2 are respectively fixedly connected to the left and right two parts on the front and back of the moving assembly 13, the moving plates 21 are slidably connected between the left and right pairs of the guide frames 2 through the damping belts, the electric push rods 22 are slidably connected to the middle parts of the moving plates 21, the connecting plates 24 are fixedly connected to the extension ends of the electric push rods 22, the limiting blocks 23 are rotatably connected to the upper parts of the connecting plates 24, and the limiting blocks 23 are slidably connected with the adjacent clamping assemblies 12.

[0042] When the brushes on the bottom of the cleaning assembly 14 move back and forth to clean the surface of the circuit board, the workers can first adjust the angle according to the required angle adjustment precision to make the front and back pairs of the moving plates 21 and the like move towards or away from each other by a suitable distance, and then make the electric push rods 22 on the front and back sides drive the connecting plates 24 and the limiting blocks 23 to move upwards or downwards, so that the clamping assemblies 12 and the circuit board rotate together, and the limiting blocks 23 also rotate with the clamping assemblies 12 when moving upwards or downwards under the action of the electric push rods 22, so as to adjust the inclination angle of the circuit board as needed, so that the cleaning assembly 14 can clean the circuit board at multiple angles to ensure that all areas of the circuit board can be thoroughly cleaned, and when the circuit board moves backward to separate from the cleaning assembly 14, the clamping assemblies 12 and the circuit board can be rotated to the horizontal state again through the electric push rods 22 and the like.

[0043] As shown in Figure 10 and Figure 11 As shown, it also includes a collecting mechanism, which is arranged on the cleaning assembly 14, and the collecting mechanism includes the fixed blocks 4, the connecting blocks 41, the air ducts 42 and the material pumps 43, the circumferentially equidistant fixed blocks 4 are all fixedly connected to the outer sides of the lower parts of the cleaning assembly 14, the circumferentially equidistant fixed blocks 4 are fixedly connected with the connecting blocks 41, the connecting blocks 41 are rotatably connected with the cleaning assembly 14 and are in communication, the material pumps 43 are fixedly connected to the left sides of the middle parts of the racks 1 and are in communication with the connecting blocks 41 through the air ducts 42.

[0044] When the brushes on the bottom of the cleaning assembly 14 move back and forth to clean the surface of the circuit board, the workers can also start the material pumps 43, which can clean the dust and impurities brushed off from the cleaning assembly 14 through the connecting blocks 41 and the air ducts 42 and collect them in the storage box, so as to avoid the dust and impurities brushed off from being blown away and polluting other parts of the circuit board surface and the surrounding environment, and the material pumps 43 can be turned off when the circuit board moves backward to separate from the cleaning assembly 14.

[0045] The above merely describes preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A multi-angle cleaning device for tin-spraying circuit board production, characterized in that: The invention comprises a frame (1), a protective shell (11), a clamping assembly (12), a moving assembly (13), a cleaning assembly (14), a cylinder (15), a mounting frame (16), a mucous membrane (17), a motor (18) and a winding shaft (19), wherein the frame (1) is fixed with the protective shell (11), the frame (1) is equipped with a pair of moving assemblies (13), the moving assemblies (13) are equipped with the clamping assembly (12), the frame (1) is equipped with the cleaning assembly (14), and the machine The frame (1) is fixedly connected to a cylinder (15), the frame (1) is slidably connected to a mounting frame (16), the mounting frame (16) is fixedly connected to the telescopic end of the cylinder (15), the mounting frame (16) is rotatably connected to a pair of winding shafts (19), a mucosa (17) is wound between the pair of winding shafts (19), the mucosa (17) is slidably connected to the mounting frame (16), the mounting frame (16) is fixedly connected to a motor (18), and the output end of the motor (18) is fixedly connected to the winding shaft (19) on one side.

2. The multi-angle cleaning device for tin-spraying circuit board production according to claim 1, characterized in that: The mounting frame (16) is fixedly connected with a protective shell.

3. The multi-angle cleaning device for tin-spraying circuit board production according to claim 2, characterized in that: The invention also includes an adjustment mechanism, which is arranged on the moving assembly (13). The adjustment mechanism includes a guide frame (2), a moving plate (21), an electric push rod (22), a limit block (23) and a connecting plate (24). The paired guide frames (2) are fixed to the moving assembly (13). The paired guide frames (2) are slidably connected to the moving plate (21) through a damping belt. The moving plate (21) is slidably connected to the electric push rod (22). The telescopic end of the electric push rod (22) is fixed to the connecting plate (24). The connecting plate (24) is rotatably connected to the limit block (23). The limit block (23) is slidably connected to the clamping assembly (12).

4. The multi-angle cleaning device for tin-spraying circuit board production according to claim 3, characterized in that: The laminating device further comprises a laminating mechanism, which is arranged on a mounting frame (16). The laminating mechanism comprises a rotating wheel block (3) and a transmission belt (31). The rotating wheel block (3) is rotatably connected to the mounting frame (16). The rotating wheel block (3) is in contact with the mucosa (17). A transmission belt (31) is sleeved between the rotating wheel block (3) and a winding shaft (19) on one side.

5. The multi-angle cleaning device for tin-spraying circuit board production according to claim 4, characterized in that: The runner block (3) is fixedly connected with uniformly distributed flexible ball rods.

6. The multi-angle cleaning device for tin-spraying circuit board production according to claim 5, characterized in that: The machine also includes a collecting mechanism, which is arranged on the cleaning assembly (14). The collecting mechanism includes a fixed block (4), a connecting block (41), an air guide pipe (42) and a material pump (43). The fixed blocks (4) distributed equidistantly around the circumference are all fixedly connected to the cleaning assembly (14). The connecting blocks (41) are fixedly connected between the fixed blocks (4) distributed equidistantly around the circumference. The connecting blocks (41) are rotatably connected and communicated with the cleaning assembly (14). The frame (1) is fixedly connected to the material pump (43). The air guide pipe (42) is fixedly connected and communicated between the material pump (43) and the connecting block (41).

7. The multi-angle cleaning device for tin-spraying circuit board production according to claim 6, characterized in that: The invention also includes an expansion mechanism, which is arranged on the mounting frame (16). The expansion mechanism includes a support frame (5), a guide plate (51) and an elastic rope (52). The guide plate (51) is fixed to the mounting frame (16). The guide plate (51) is slidably connected to the support frame (5). A pair of elastic ropes (52) are fixed between the support frame (5) and the guide plate (51). The support frame (5) is in contact with the mucosa (17).

8. The multi-angle cleaning device for tin-spraying circuit board production according to claim 7, characterized in that: The support frame (5) is provided with a curved surface.

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