CN210959011U

CN210959011U - Cleaning device for circuit board after welding

Info

Publication number: CN210959011U
Application number: CN201922375037.3U
Authority: CN
Inventors: 孔庆峰
Original assignee: Shandong Jiaotong University
Current assignee: Shandong Jiaotong University
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-07-07
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a cleaning device of welding back circuit board mainly relates to electronic information technical field. Including the frame, sliding connection has the (holding) chuck in the frame, its characterized in that: the one end sliding connection of (holding) chuck has the clamping head, be equipped with compression spring between the lateral wall of clamping head and (holding) chuck, the bilateral symmetry of frame is equipped with the backup pad, it is connected with the screw rod to rotate between two backup pads, still be equipped with the slide bar parallel with the screw rod in the backup pad, one side of backup pad is fixed with first motor, the output shaft fixed connection of screw rod and first motor, sliding connection has the slider on the slide bar, slider and screw rod threaded connection, the bottom of slider is equipped with the brush head, be equipped with the dust groove in one of them backup pad, be equipped with the air outlet in the backup pad. The beneficial effects of the utility model reside in that: the tin dross collecting device can collect the cleaned tin dross in the dust tank, and prevent the tin dross from diffusing to other positions and environments of the circuit board, so that the cleaning effect is improved.

Description

Cleaning device for circuit board after welding

Technical Field

The utility model relates to an electronic information field specifically is a cleaning device of welding back circuit board.

Background

The circuit board has a lot of remaining dross to stay on the circuit board after using the soldering, for influence such as production short circuit when avoiding using, need clear up the dross thereon after the welding is accomplished, there are multiple devices that clear up the circuit board among the prior art, but these devices do not carry out better processing to the dross after the clearance is accomplished, cause the dross still can remain in other positions of circuit board, and the dross after the cleanness still can fly away in operational environment, cause operational environment's pollution, produce potential threat to staff's health safety.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cleaning device of welding back circuit board, it can collect in concentrating the dust groove with the tin dross after the cleanness, avoids the tin dross to spread in other positions and the environment of circuit board, improves clear effect.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

a cleaning device for a welded circuit board comprises a frame, wherein a chuck is connected to the frame in a sliding manner, a driving device for driving the chuck to move is further arranged on the frame, one end of the chuck is connected with a clamping head in a sliding manner, a compression spring is arranged between the clamping head and the side wall of the chuck, support plates are symmetrically arranged on two sides of the frame, a screw rod is rotatably connected between the two support plates, a sliding rod parallel to the screw rod is further arranged on each support plate, a first motor is fixed on one side of each support plate, the screw rod is fixedly connected with an output shaft of the first motor, a sliding block is connected to each sliding rod in a sliding manner, the sliding block is in threaded connection with the screw rod, a brush head is arranged at the bottom of each sliding block, a dust groove is formed in one support plate, the opening of each dust groove faces to the other support, one end of the air outlet is connected with a blower.

Furthermore, the rack is symmetrically provided with fixing plates, the two sides of the chuck plate are symmetrically provided with sliding grooves, and the edges of the fixing plates are in sliding connection with the sliding grooves.

Further, one of the fixing plates is connected to an opening edge of the dust groove, and one end of the fixing plate is inclined toward the dust groove.

Furthermore, the driving device comprises a plurality of second motors, a plurality of rotating shafts, first gears, second gears, a chain and a rack, the rotating shafts are connected to the rack in a rotating mode, the second motors are fixed to the rack, one end of one rotating shaft is fixedly connected with an output shaft of the second motor, the first gears and the second gears are fixed to the rotating shafts, the chain is meshed with the first gears, the rack is fixed to the bottom of the chuck plate, and the second gears are meshed with the rack.

Furthermore, be equipped with the channel-section steel in the frame, the one end of pivot is rotated and is connected in the channel-section steel, first gear, chain also are located the channel-section steel.

Contrast prior art, the beneficial effects of the utility model reside in that:

the utility model discloses set up the dust groove in the backup pad of one side, set up the hair-dryer in the backup pad of opposite side, utilize the reciprocating motion of brush head to clear up the tin dross that the welding produced on the circuit board between two backup pads, the tin dross that is in the active state after the clearance of brush head will be through utilizing the hair-dryer to blow to the dust groove, avoid the tin dross to spread other positions of circuit board, also prevent that it from spreading to the environment on every side, can carry out centralized processing with the tin dross, the clean effect of circuit board has been improved, the safety of clean environment has been guaranteed, the threat that causes staff's health safety has been reduced, in-service use has obvious effect to the clearance of tin dross.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a cross-sectional view taken along the direction a in fig. 2 according to the present invention.

Fig. 4 is a cross-sectional view taken along the direction B in fig. 2 according to the present invention.

Reference numerals shown in the drawings:

1. a frame; 2. a chuck; 3. a clamping head; 4. a compression spring; 5. a support plate; 6. a screw; 7. a slide bar; 8. a first motor; 9. a slider; 10. a brush head; 11. a dust tank; 12. an air outlet; 13. a blower; 14. a fixing plate; 15. a chute; 16. a second motor; 17. a rotating shaft; 18. a first gear; 19. a second gear; 20. a chain; 21. a rack; 22. channel steel.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

A cleaning device for circuit board after welding, major structure include frame 1, frame 1 is subaerial through welding or bolt fastening, generally uses the preparation of iron subassembly, sliding connection has (holding) chuck 2 in frame 1, two lateral walls around (holding) chuck 2 sets up at least, (holding) chuck 2 is used for the centre gripping circuit board, preferred (holding) chuck 2 passes through slide rail sliding connection in frame 1, still be equipped with the drive arrangement of 2 motion of drive (holding) chuck in frame 1, drive arrangement can be present arbitrary can drive (holding) chuck 2 remove power device all can, its characterized in that: one end of the chuck plate 2 is slidably connected with a clamping head 3, preferably, a through hole is formed in the side wall of the chuck plate 2, a connecting rod is welded or integrally connected to the clamping head 3, a handle is arranged at one end of the connecting rod, the connecting rod is slidably connected in the through hole, a compression spring 4 is arranged between the clamping head 3 and the side wall of the chuck plate 2, when a circuit board needs to be clamped, the handle is pulled to enable the clamping head 3 to move towards the side wall of the chuck plate 2, so that the compression spring 4 is extruded to generate reset elastic force, then the handle is loosened, the clamping head 3 clamps the circuit board under the elastic force action of the compression spring 4, and clamping firmness and use convenience are kept;

the bilateral symmetry of frame 1 welds or the bolt fastening has backup pad 5, two rotate between the backup pad 5 and be connected with screw rod 6, the both ends of screw rod 6 are rotated through the bearing and are connected on backup pad 5, still are equipped with the slide bar 7 parallel with screw rod 6 on backup pad 5, the both ends welding of slide bar 7 or the bolt fastening is on backup pad 5, one of them one side bolt fastening of backup pad 5 has first motor 8, screw rod 6 and the output shaft fixed connection of first motor 8, screw rod 6 is close to behind backup pad 5 the one end of first motor 8 and the output shaft bolt fastening of first motor 8, the rotation through the motor drives the rotation of screw rod 6, sliding connection has slider 9 on slide bar 7, slider 9 and screw rod 6 threaded connection, drive slider 9 through the rotation of screw rod 6 and move on slide bar 7, provide power for the removal of slider 9, the bottom of the sliding block 9 is provided with a brush head 10, the brush head 10 is an assembly with brush hairs, and can clean residual welding slag on the circuit board by using common brush hairs in the prior art, one of the supporting plates 5 is provided with a dust groove 11, the dust groove 11 is arranged along the length direction of the rack 1 and fixed on one of the supporting plates 5 by welding or bolts, the opening of the dust groove 11 faces the other supporting plate 5, preferably, the outlet height of the dust groove 11 is higher than the inside of the dust groove 11, so that dust such as welding slag can be effectively stored in the inside of the dust groove 11 and is not easy to separate from the dust groove 11 after entering from the opening, impurity dust such as tin slag is prevented from escaping everywhere, the cleanness of the circuit board and the surrounding environment is ensured, the supporting plate 5 opposite to the dust groove 11 is provided with an air outlet 12, one end of the air outlet 12 is connected with a blower 13, preferred hair-dryer 13 sets up with brush head 10 relatively, and brush head 10 utilizes hair-dryer 13 to blow the dross into dust groove 11 when cleaning, makes the dross concentrate in dust groove 11 and collect and handle, after a period of time concentrate the clearance to dust groove 11 can, guaranteed the clean and tidy of circuit board and surrounding environment, reduced the security threat that exists to the staff.

Preferably, the rack 1 is symmetrically provided with fixing plates 14, the fixing plates 14 are horizontally arranged, the two sides of the chuck plate 2 are symmetrically provided with sliding grooves 15, the edge of the fixing plate 14 is slidably connected with the sliding grooves 15, and the direction of the fixing plate 14 is preferably perpendicular to the moving direction of the brush head 10, so that the moving stability of the chuck plate 2 is ensured, the moving route of the chuck plate 2 cannot be influenced when the chuck plate is cleaned by the brush head 10, and the moving stability is ensured.

Preferably, one of the fixed plates 14 is connected with the opening edge of the dust slot 11, preferably, the fixed plate 14 is not higher than the height of the circuit board after being clamped, so that the tin dross is accurately dropped onto the fixed plate 14 after being blown by a blower, and then continuously moves into the dust slot 11, the complexity of the device is further simplified, one end of the fixed plate 14 inclines towards the direction of the dust slot 11, the tin dross is more easily introduced into the dust slot 11 and is not easily diffused out of the dust slot 11 after entering, and the stability of the tin dross stored in the dust slot 11 is ensured.

Preferably, the driving device comprises a plurality of second motors 16, rotating shafts 17, first gears 18, second gears 19, chains 20 and racks 21, the rotating shafts 17 are provided, two ends of each rotating shaft 17 are rotatably connected to the rack 1 through bearings, the rotating shafts 17 are distributed on the rack 1 in a linear array manner, the second motors 16 are fixed on the rack 1 through bolts, one end of one rotating shaft 17 is fixedly connected with an output shaft of the second motor 16 through welding or bolts, so that the rotating shaft serves as a power device, preferably, the secondary rotating shaft 17 is located at the first position of the linear array, the same device can be arranged at the tail end to enhance power, the device at least comprises an active power device, the first gears 18 and the second gears 19 are fixedly welded on the rotating shafts 17, the chains 20 are meshed with the first gears 18, and the rotating shafts 17 are driven to rotate simultaneously through the rotation of the active rotating shafts through the transmission of the chains 20, the rack 21 is fixed at the bottom of the chuck 2, the second gear 19 is meshed with the rack 21, and after the chuck 2 is placed when the chuck is used, the second gear 19 is meshed with the rack 21, the second gear 19 is driven to rotate through rotation of the rotating shaft 17, and the rack 21 meshed with the second gear is further moved, so that the chuck 2 horizontally moves along the rack 1, and power is provided for movement of the chuck 2.

Preferably, be equipped with channel-section steel 22 in the frame 1, channel-section steel 22's opening level sets up, the one end of pivot 17 is passed through the bearing and is rotated and connect in channel-section steel 22, first gear 18, chain 20 also are located channel-section steel 22, utilize channel-section steel 22 including with first gear 18 and the parcel of chain 20, influence its operation in avoiding clean in-process tin dross to get into first gear 18 and chain 20, the clean and tidy of protection power device department reduces the incidence of trouble.

The working principle is as follows: when in use, the handle is pulled to enable the clamping head 3 to move towards one side of the chuck 2, the compression spring 4 is compressed, the circuit board is placed in the compression spring, after the handle is loosened, the circuit board is clamped under the action of the compression spring 4, the chuck plate 2 is placed on the sliding device of the frame 1, the driving device is started to drive the chuck plate 2 to move, then the first motor 8 is started, the brush head 10 is driven to reciprocate along the direction vertical to the motion direction of the chuck plate 2 through the positive and negative rotation of the first motor 8, thereby cleaning the tin dross welded on the circuit board on the chuck 2, simultaneously starting the blower 13 to blow the cleaned tin dross into the dust groove 11 on the opposite supporting plate 5, avoiding the tin dross escaping everywhere, can be concentrated with the tin dross handle and collect, guarantee the clean and tidy of circuit board and environment, improve clear effect, reduce the potential security threat to the staff.

Claims

1. The utility model provides a cleaning device of welding back circuit board, includes frame (1), sliding connection has (holding) chuck (2) on frame (1), still be equipped with the drive arrangement of drive (holding) chuck (2) motion on frame (1), its characterized in that: one end of the chuck plate (2) is slidably connected with a clamping head (3), a compression spring (4) is arranged between the clamping head (3) and the side wall of the chuck plate (2), support plates (5) are symmetrically arranged on two sides of the rack (1), a screw rod (6) is rotatably connected between the two support plates (5), a sliding rod (7) parallel to the screw rod (6) is further arranged on each support plate (5), a first motor (8) is fixed on one side of each support plate (5), the screw rod (6) is fixedly connected with an output shaft of the first motor (8), a sliding block (9) is slidably connected on each sliding rod (7), the sliding block (9) is in threaded connection with the screw rod (6), a brush head (10) is arranged at the bottom of each sliding block (9), a dust groove (11) is arranged on one support plate (5), and the opening of the dust groove (11) faces to the other support plate (5), an air outlet (12) is arranged on the supporting plate (5) opposite to the dust groove (11), and one end of the air outlet (12) is connected with a blower (13).

2. The cleaning device for the circuit board after welding as claimed in claim 1, wherein: the clamping device is characterized in that fixing plates (14) are symmetrically arranged on the rack (1), sliding grooves (15) are symmetrically arranged on two sides of the chuck plate (2), and the edges of the fixing plates (14) are in sliding connection with the sliding grooves (15).

3. The cleaning device for the circuit board after welding as claimed in claim 2, wherein: one of the fixing plates (14) is connected with the opening edge of the dust groove (11), and one end of the fixing plate (14) inclines towards the direction of the dust groove (11).

4. The cleaning device for the circuit board after welding as claimed in claim 1, wherein: the driving device comprises a second motor (16), a rotating shaft (17), first gears (18), second gears (19), a chain (20) and a rack (21), wherein the rotating shaft (17) is connected to the rack (1) in a plurality of rotating modes, the second motor (16) is fixed to the rack (1), one end of one rotating shaft (17) is fixedly connected with an output shaft of the second motor (16), the first gears (18) and the second gears (19) are fixed to the rotating shaft (17), the chain (20) is meshed with the first gears (18), the rack (21) is fixed to the bottom of the chuck (2), and the second gears (19) are meshed with the rack (21).

5. The cleaning device for the circuit board after welding as claimed in claim 4, wherein: be equipped with channel-section steel (22) on frame (1), the one end of pivot (17) is rotated and is connected in channel-section steel (22), first gear (18), chain (20) also are located channel-section steel (22).