Steam cleaning machine for circuit board

Abstract

The invention belongs to the field of circuit board cleaning, and particularly relates to a circuit board steam cleaning machine which comprises a rack, driving shafts are rotationally connected to the two ends of the rack, a motor is fixedly connected to the side face of the rack, the output end of the motor is fixedly connected with the driving shafts, chain wheels and chains are installed on the driving shafts, chain plates are installed on the chains, and the chain plates are fixedly connected with the chain wheels. A steam cleaning assembly is arranged on the rack; during use, the motor drives the chain wheel and the chain to move so as to drive the chain plate of the chain to move, so that the circuit board on the surface is driven to move, the rotating shaft and the gear on the chain plate move along with the rotating shaft, and after the rotating shaft and the gear move to the position of the rack in the middle of the support, the rack and the gear are meshed, so that the circuit board is driven to move. According to the circuit board turnover device, the gear, the rotating shaft and the plate frame are rotated, the plate frame is turned over, turnover of the circuit board is completed, and by means of the structural arrangement, the workload of workers can be reduced, and time and labor are saved.

Description

Technical Field

[0001] The invention relates to the field of circuit board cleaning, in particular to a circuit board steam cleaning machine. Background Art

[0002] In the current existing technology, saturated steam cleaning is a way to clean circuit boards. It relies on high-temperature saturated steam to flush the surface of the circuit board to soften the oil on the surface of the circuit board and remove stains on the circuit board. The circuit board steam cleaning machine is mainly composed of a conveying mechanism and a steam cleaning mechanism. The conveying mechanism is used to transport the circuit board. The steam cleaning mechanism is mainly composed of a high-temperature steam generator and a steam pipe. The steam pipe is provided with a nozzle to flush the circuit board from top to bottom to clean the circuit board.

[0003] However, during use, the existing circuit board cleaning can only clean one side and cannot clean the back of the circuit board, which is inconvenient to use. Therefore, a circuit board steam cleaning machine is proposed to solve the above problems. Summary of the Invention

[0004] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background art, the present invention provides a circuit board steam cleaning machine.

[0005] The technical solution adopted by the present invention to solve its technical problem is: a circuit board steam cleaning machine described in the present invention comprises a frame, both ends of the frame are rotatably connected to a drive shaft, a side of the frame is fixedly connected to a motor, the output end of the motor is fixedly connected to the drive shaft, a sprocket and a chain are installed on the drive shaft, a chain plate is installed on the chain, and a steam cleaning component is provided on the frame; the chain plate has a through slot, both ends of the through slot are rotatably connected to a rotating shaft, a plate frame is fixedly connected between the two rotating shafts, the end of the rotating shaft is fixedly connected to a gear, the middle part of the frame is fixedly connected to a bracket, and the bracket A rack is fixedly connected to the middle of the frame and the corresponding position of the gear. When in use, the staff fixes the circuit board on the plate frame in the middle of the chain plate, and then the motor drives the sprocket and chain to move, thereby driving the chain plate of the chain to move, thereby driving the circuit board on the surface to move, and the rotating shaft and gear on the chain plate follow to move. When it moves to the rack position in the middle of the bracket, its rack and gear engage, thereby causing the gear, rotating shaft and plate frame to rotate, thereby flipping the plate frame to complete the flipping of the circuit board. Relying on the above structural setting, the workload of the staff can be reduced, saving time and effort.

[0006] Preferably, the steam cleaning assembly includes a steam generator, an air duct and a cleaning pipe. The steam generator is installed on a frame, the air duct is installed at the air outlet of the steam generator, the cleaning pipe is fixed to the air duct, and a plurality of nozzles are installed at the bottom of the cleaning pipe. The cleaning pipe is located above the frame. The steam generator generates saturated steam, which is transported to the cleaning pipe along the air duct and sprayed toward the circuit board from the nozzle on the cleaning pipe, thereby realizing steam cleaning of the circuit board and removing oil stains on the surface of the circuit board.

[0007] Preferably, multiple pulleys are rotatably connected on both sides of the bracket, and a support is fixedly connected to the bottom of the chain plate and the corresponding position of the pulley. A groove is provided at the bottom of the support and the corresponding position of the pulley, and the top of the pulley is inserted into the inside of the groove. When in use, multiple pulleys are rotatably connected on both sides of the bracket, and a support is installed at the bottom of the chain plate and the corresponding position of the pulley. The pulley can be inserted into the groove below the support, thereby supporting the support and the bottom of the chain plate, thereby improving its stability and reducing shaking.

[0008] Preferably, a sleeve is fixedly connected to the side of the groove, the rotating shaft passes through the sleeve and is rotatably connected thereto, a sliding hole is provided on the rotating shaft, a steel ball is provided inside the sliding hole, a spring is fixed between the steel ball and the sliding hole, and a card groove is provided on the inner side wall of the sleeve at a position corresponding to the steel ball. During the cleaning process, the rotating shaft and the plate rack can be fixed by relying on the above-mentioned structural arrangement, thereby reducing the situation where the plate rack and the circuit board are rotated due to steam pressure during the cleaning process.

[0009] Preferably, both ends of the plate frame are provided with through holes, and vertical rods are slidably connected to the inside of the through holes, and a splint is fixedly connected to the top of the vertical rod, and a connecting seat is installed at the bottom end of the vertical rod. An elastic member is provided between the connecting seat and the plate frame, and the elastic member is sleeved on the vertical rod. When in use, both ends of the plate frame are provided with through holes, and vertical rods are slid inside the through holes. An elastic member is installed at the bottom end of the vertical rod through the connecting seat, which can pull the vertical rod and the splint to move, and the splint can clamp the circuit board and fix the circuit board on the plate frame, thereby fixing the circuit board.

[0010] Preferably, the bottom end of the vertical rod is provided with an external thread, the bottom end of the vertical rod passes through the connecting seat, and the inner wall of the connecting seat is provided with an internal thread that cooperates with the external thread; during use, the bottom end of the vertical rod is provided with an external thread, and the connecting seat can be rotated to adjust the position of the connecting seat, thereby adjusting the tightness of the elastic member, and then adjusting the fixing tightness of the splint.

[0011] Preferably, rubber pads are fixed on the splint and the board frame, and the positions of the two rubber pads correspond to each other; when in use, rubber pads are fixed on the splint and the board frame, and the rubber pads are used to play a role of elastic fixation, thereby protecting the two ends of the circuit board, increasing friction, and reducing sliding displacement of the circuit board.

[0012] Preferably, a plurality of cleaning pipes are provided, and the plurality of cleaning pipes are arranged in a linear array along the movement direction of the chain plate.

[0013] The present invention is beneficial in that: 1. The present invention is provided with a chain plate, a chain, a sprocket, a drive shaft, a motor, a rotating shaft, a plate frame, a bracket, a gear and a rack. When in use, the motor drives the sprocket and the chain to move, thereby driving the chain plate of the chain to move, thereby driving the circuit board on the surface to move, and the rotating shaft and the gear on the chain plate follow and move. When it moves to the rack position in the middle of the bracket, the rack and the gear are engaged, thereby causing the gear, the rotating shaft and the plate frame to rotate, thereby turning the plate frame over, thereby completing the turning over of the circuit board. Relying on the above structural arrangement, the workload of the staff can be reduced, saving time and effort; 2. The present invention sets pulleys and supports. When in use, multiple pulleys are rotatably connected on both sides of the bracket. Supports are installed at the bottom of the chain plate and the corresponding positions of the pulleys. The pulleys can be inserted into the grooves under the supports, thereby supporting the bottom of the supports and the chain plate, thereby improving its stability and reducing shaking.

[0014] 3. The present invention is provided with a sleeve, a steel ball and a spring. When in use, the sleeve is fixed to the side of the groove of the chain plate, and the rotating shaft passes through the sleeve. The rotating shaft is provided with a steel ball, which is pushed into the groove by the spring. The steel ball cooperates with the groove to fix the rotating shaft to a certain extent. During the cleaning process, it can fix the rotating shaft and the plate rack, reducing the situation where the plate rack and the circuit board are rotated due to steam pressure during the cleaning process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 Schematic diagram of the support structure of the present invention; Figure 3Schematic diagram of the bottom structure of the chain plate of the present invention; Figure 4 It is a schematic diagram of a partial cross-sectional structure of a chain plate of the present invention; Figure 5 It is a structural schematic diagram of a partial cross-section of the rotating shaft of the present invention.

[0017] In the figure: 11. frame; 12. motor; 13. chain; 14. chain plate; 15. plate frame; 16. rotating shaft; 17. gear; 18. bracket; 19. rack; 21. steam generator; 22. air guide pipe; 23. cleaning pipe; 31. pulley; 32. support; 33. groove; 41. sleeve; 42. steel ball; 43. slot; 44. spring; 51. vertical rod; 52. splint; 53. connecting seat; 54. elastic member; 6. external thread; 7. rubber pad. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] Specific examples are given below.

[0020] See also Figure 1-5 As shown, a circuit board steam cleaning machine includes a frame 11, both ends of the frame 11 are rotatably connected to a drive shaft, a motor 12 is fixed to the side of the frame 11, the output end of the motor 12 is fixed to the drive shaft, a sprocket and a chain 13 are installed on the drive shaft, a chain plate 14 is installed on the chain 13, and a steam cleaning component is provided on the frame 11; the chain plate 14 has a through slot, and both ends of the through slot are rotatably connected to a rotating shaft 16, a plate frame 15 is fixed between the two rotating shafts 16, and a gear 17 is fixed to the end of the rotating shaft 16. The upper portion of the frame 11 is fixedly connected to a bracket 18, and a rack 19 is fixedly connected to the middle portion of the bracket 18 and the corresponding position of the gear 17; the steam cleaning assembly includes a steam generator 21, an air guide pipe 22 and a cleaning pipe 23, the steam generator 21 is installed on the frame 11, the air guide pipe 22 is installed at the air outlet of the steam generator 21, the cleaning pipe 23 is fixed to the air guide pipe 22, and a plurality of nozzles are installed at the bottom of the cleaning pipe 23, and the cleaning pipe 23 is located above the frame 11; a plurality of cleaning pipes 23 are provided, and the plurality of cleaning pipes 23 are arranged in a linear array along the movement direction of the chain plate 14; When in use, the staff fixes the circuit board on the plate frame 15 in the middle of the chain plate 14, and then the motor 12 drives the sprocket and chain 13 to move, thereby driving the chain plate 14 of the chain 13 to move, thereby driving the circuit board on the surface to move, and the rotating shaft 16 and gear 17 on the chain plate 14 follow and move. When it moves to the position of the rack 19 in the middle of the bracket 18, its rack 19 and gear 17 engage, thereby causing the gear 17, the rotating shaft 16 and the plate frame 15 to rotate, thereby turning the plate frame 15 over, thereby completing the turning over of the circuit board. Relying on the above structural arrangement, the workload of the staff can be reduced, saving time and effort; When in use, the steam generator 21 generates saturated steam, which is transported to the cleaning pipe 23 along the air guide pipe 22 and sprayed from the nozzle on the cleaning pipe 23 to the circuit board, thereby steam cleaning the circuit board and removing oil stains on the surface of the circuit board.

[0021] Further, such as Figure 1-5 As shown, a plurality of pulleys 31 are rotatably connected to both sides of the bracket 18. A support 32 is fixedly connected to the bottom of the chain plate 14 at a position corresponding to the pulley 31. A groove 33 is formed at the bottom of the support 32 and at a position corresponding to the pulley 31. The top of the pulley 31 is inserted into the interior of the groove 33. When in use, multiple pulleys 31 are rotatably connected on both sides of the bracket 18, and a support 32 is installed at the bottom of the chain plate 14 and the corresponding position of the pulley 31. The pulley 31 can be inserted into the groove 33 below the support 32, thereby supporting the support 32 and the bottom of the chain plate 14, thereby improving its stability and reducing shaking.

[0022] Further, such as Figure 1-5 As shown, a sleeve 41 is fixedly connected to the side of the groove 33, and the rotating shaft 16 passes through the sleeve 41 and is rotatably connected thereto. A sliding hole is formed on the rotating shaft 16, and a steel ball 42 is provided inside the sliding hole. A spring 44 is fixedly connected between the steel ball 42 and the sliding hole. A clamping groove 43 is formed on the inner side wall of the sleeve 41 at a position corresponding to the steel ball 42. When in use, a sleeve 41 is fixed to the side of the groove 33 of the chain plate 14, and the rotating shaft 16 passes through the sleeve 41. A steel ball 42 is provided on the rotating shaft 16, which pushes the steel ball 42 into the slot 43 through a spring 44. The steel ball 42 cooperates with the slot 43 to fix the rotating shaft 16 to a certain extent. During the cleaning process, it can fix the rotating shaft 16 and the plate frame 15, reducing the situation where the plate frame 15 and the circuit board are rotated due to steam pressure during the cleaning process.

[0023] Further, such as Figure 1-5As shown, both ends of the plate frame 15 are provided with through holes, and the interior of the through holes is slidably connected to a vertical rod 51, the top of the vertical rod 51 is fixedly connected to a clamping plate 52, and the bottom end of the vertical rod 51 is installed with a connecting seat 53, and an elastic member 54 is provided between the connecting seat 53 and the plate frame 15, and the elastic member 54 is sleeved on the vertical rod 51; the bottom end of the vertical rod 51 is provided with an external thread 6, and the bottom end of the vertical rod 51 passes through the connecting seat 53, and the inner wall of the connecting seat 53 is provided with an internal thread that cooperates with the external thread 6; When in use, through holes are formed at both ends of the board frame 15, and vertical rods 51 slide inside the through holes. The bottom ends of the vertical rods 51 are installed with elastic members 54 through connecting seats 53, which can pull the vertical rods 51 and the clamping plates 52 to move. The clamping plates 52 can clamp the circuit board and fix the circuit board on the board frame 15, thereby playing the role of fixing the circuit board; During use, an external thread 6 is provided at the bottom end of the vertical rod 51 , and the connecting seat 53 can be rotated to adjust the position of the connecting seat 53 , thereby adjusting the tightness of the elastic member 54 and further adjusting the fixing tightness of the splint 52 .

[0024] Further, such as Figure 1-5 As shown, rubber pads 7 are fixed to the clamping plate 52 and the plate frame 15, and the positions of the two rubber pads 7 correspond to each other; When in use, rubber pads 7 are fixed to both the clamping plate 52 and the board frame 15. The rubber pads 7 are used to play a role of elastic fixation, thereby protecting both ends of the circuit board, increasing friction, and reducing sliding displacement of the circuit board.

[0025] Working principle: when in use, the staff fixes the circuit board on the plate frame 15 in the middle of the chain plate 14, and then the motor 12 drives the sprocket and chain 13 to move, thereby driving the chain plate 14 of the chain 13 to move, thereby driving the circuit board on the surface to move, and the rotating shaft 16 and gear 17 on the chain plate 14 follow and move. When it moves to the position of the rack 19 in the middle of the bracket 18, its rack 19 and gear 17 engage, thereby causing the gear 17, the rotating shaft 16 and the plate frame 15 to rotate, thereby turning the plate frame 15 over, thereby completing the flipping of the circuit board. Relying on the above structural setting, the workload of the staff can be reduced, saving time and effort; When in use, the steam generator 21 generates saturated steam, which is transported to the cleaning pipe 23 along the air guide pipe 22 and sprayed toward the circuit board from the nozzle on the cleaning pipe 23, thereby achieving steam cleaning of the circuit board and removing oil stains on the surface of the circuit board; when in use, a plurality of pulleys 31 are rotatably connected on both sides of the bracket 18, and a support 32 is installed at the bottom of the chain plate 14 and the corresponding position of the pulley 31. The pulley 31 can be inserted into the groove 33 below the support 32, thereby supporting the support 32 and the bottom of the chain plate 14, thereby improving its stability and reducing shaking; when in use, a sleeve 41 is fixed to the side of the groove 33 of the chain plate 14, and the rotating shaft 16 passes through the sleeve 41, a steel ball 42 is provided on the rotating shaft 16, which is pushed into the card slot 43 by a spring 44. The steel ball 42 cooperates with the card slot 43 to fix the rotating shaft 16 to a certain extent. During the cleaning process, it can fix the rotating shaft 16 and the plate rack 15, reducing the situation where the plate rack 15 and the circuit board are rotated due to steam pressure during the cleaning process; when in use, through holes are opened at both ends of the plate rack 15, and a vertical rod 51 slides inside the through hole. The bottom end of the vertical rod 51 is installed with an elastic member 54 through the connecting seat 53, which can pull the vertical rod 51 and the clamping plate 52 to move, and the clamping plate 52 can clamp the circuit board and fix the circuit board on the plate rack 15, thereby playing the role of fixing the circuit board; During use, the bottom end of the vertical rod 51 is provided with an external thread 6, and the connecting seat 53 can be rotated to adjust the position of the connecting seat 53, thereby adjusting the tightness of the elastic member 54 and further adjusting the fixing tightness of the splint 52; When in use, rubber pads 7 are fixed to both the clamping plate 52 and the board frame 15. The rubber pads 7 are used to play a role of elastic fixation, thereby protecting both ends of the circuit board, increasing friction, and reducing sliding displacement of the circuit board.

[0026] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0027] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and modifications fall within the scope of the invention as claimed.

Claims

1. A circuit board steam cleaning machine, comprising a frame (11), wherein both ends of the frame (11) are rotatably connected to a drive shaft, a motor (12) is fixedly connected to the side of the frame (11), an output end of the motor (12) is fixedly connected to the drive shaft, a sprocket and a chain (13) are mounted on the drive shaft, a chain plate (14) is mounted on the chain (13), and a steam cleaning component is provided on the frame (11); characterized in that: The chain plate (14) is provided with a through slot, and both ends of the through slot are rotatably connected to a rotating shaft (16), a plate frame (15) is fixedly connected between the two rotating shafts (16), an end of the rotating shaft (16) is fixedly connected to a gear (17), a bracket (18) is fixedly connected to the middle of the frame (11), and a rack (19) is fixedly connected to the middle of the bracket (18) and the corresponding position of the gear (17).

2. A circuit board steam cleaning machine according to claim 1, characterized in that: The steam cleaning assembly comprises a steam generator (21), an air guide pipe (22) and a cleaning pipe (23); the steam generator (21) is mounted on a frame (11); the air guide pipe (22) is mounted at the air outlet of the steam generator (21); the cleaning pipe (23) is fixed to the air guide pipe (22); a plurality of nozzles are mounted at the bottom of the cleaning pipe (23); and the cleaning pipe (23) is located above the frame (11).

3. A circuit board steam cleaning machine according to claim 2, characterized in that: A plurality of pulleys (31) are rotatably connected to both sides of the bracket (18), a support (32) is fixedly connected to the bottom of the chain plate (14) and the corresponding position of the pulley (31), a groove (33) is provided at the bottom of the support (32) and the corresponding position of the pulley (31), and the top of the pulley (31) is inserted into the interior of the groove (33).

4. A circuit board steam cleaning machine according to claim 3, characterized in that: A sleeve (41) is fixedly connected to the side of the groove (33), the rotating shaft (16) passes through the sleeve (41) and is rotatably connected thereto, a sliding hole is provided on the rotating shaft (16), a steel ball (42) is provided inside the sliding hole, a spring (44) is fixedly connected between the steel ball (42) and the sliding hole, and a clamping groove (43) is provided on the inner side wall of the sleeve (41) at a position corresponding to the steel ball (42).

5. The circuit board steam cleaning machine according to claim 4, characterized in that: Through holes are provided at both ends of the plate frame (15), and a vertical rod (51) is slidably connected inside the through hole. A clamping plate (52) is fixed to the top end of the vertical rod (51), and a connecting seat (53) is installed at the bottom end of the vertical rod (51). An elastic member (54) is provided between the connecting seat (53) and the plate frame (15), and the elastic member (54) is sleeved on the vertical rod (51).

6. The circuit board steam cleaning machine according to claim 5, characterized in that: The bottom end of the vertical rod (51) is provided with an external thread (6), and the bottom end of the vertical rod (51) passes through the connecting seat (53). The inner wall of the connecting seat (53) is provided with an internal thread that matches the external thread (6).

7. The circuit board steam cleaning machine according to claim 6, characterized in that: The clamping plate (52) and the plate frame (15) are both fixedly connected with rubber pads (7), and the positions of the two rubber pads (7) correspond to each other.

8. The circuit board steam cleaning machine according to claim 7, characterized in that: A plurality of cleaning pipes (23) are provided, and the plurality of cleaning pipes (23) are arranged in a linear array along the movement direction of the chain plate (14).

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