CN219112374U

CN219112374U - Dust removing device for PCB

Info

Publication number: CN219112374U
Application number: CN202223428965.XU
Authority: CN
Inventors: 王鹏
Original assignee: Chunfan Electronic Technology Suzhou Co ltd
Current assignee: Chunfan Electronic Technology Suzhou Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-06-02
Anticipated expiration: 2032-12-21

Abstract

The utility model provides a dust removing device for a PCB. The dust removing device for a PCB board includes: four upright posts are fixedly arranged at the tops of side frames on two sides of a conveyor on a production line, and the four upright posts are symmetrical in pairs; the top plate is fixedly arranged at the top ends of the four vertical rods; the rodless cylinder is fixedly arranged at the bottom of the top plate; the mounting plate is fixedly arranged at the bottom of the sliding block of the rodless cylinder; the two push rod motors are fixedly arranged at the bottom of the mounting plate. The dust removing device for the PCB provided by the utility model has the advantages that the air flow can be blown out of the PCB in the sealed space, so that dust on the PCB is lifted, and the dust is filtered and collected, so that the dust removing effect of the PCB is improved, and the dust removing efficiency of the PCB is improved.

Description

Dust removing device for PCB

Technical Field

The utility model belongs to the technical field of PCB production, and particularly relates to a dust removing device for a PCB.

Background

The PCB, i.e. the printed wiring board, is an important electronic component, is a support for electronic components, and is a carrier for electrical interconnection of electronic components. Electronic parts are arranged in different electronic devices, and almost all electronic parts are embedded on PCB boards with different sizes.

In the production process of the PCB on the production line, dust removal is required to be carried out on the surface of the PCB. In the prior art, patent document with publication number of CN206838734U discloses a dust removing device suitable for a PCB, which comprises a sealed shell, a fan and an air pipe and a dust collecting box, wherein a bearing panel is horizontally arranged at the middle position in the sealed shell, a plurality of vent holes are formed in the bearing panel, the upper surface of the bearing panel is used for placing the PCB to be cleaned, a dust hood with an opening opposite to the bearing panel is arranged below the bearing panel, an air outlet of the dust hood is communicated with the dust collecting pipe, and the dust collecting pipe is communicated with the air pipe through the bottom of the sealed shell; the air pipe comprises a joint part communicated with the dust collection pipe, a tail part used for being communicated with the dust collection box, and a transition section with two ends respectively communicated with the joint part and the tail part, wherein the air suction inlet of the fan is communicated with the joint part, the joint part is a conical cavity with the radius gradually reduced along the axial direction from the joint part, guide vanes are axially arranged in the conical cavity, the tail part of the air pipe is spirally arranged, and the air outlet of the tail part is connected with the dust collection box. The utility model has simple structure, can effectively remove dust on the circuit board, and can not cause dust to fly.

However, when the device removes dust to the PCB, the PCB needs to be placed on the bearing panel 2 in the sealed shell 1, so that a worker is required to manually pick up the PCB flowing along with the conveyor on the bearing panel in the sealed shell, the dust removal efficiency of the PCB is reduced, and the whole production efficiency of the PCB is also reduced; in addition, the device is used for exhausting air through the fan 7, dust attached to the PCB is directly sucked through the dust hood 4, and the dust on the PCB is not lifted in the sealed shell 1, so that the dust removal effect is poor.

Therefore, it is necessary to provide a new dust removing device for PCB boards to solve the above technical problems.

Disclosure of Invention

The utility model solves the technical problem of providing the dust removing device for the PCB, which can blow out air flow to the PCB in a sealed space, so that dust on the PCB is lifted up, and the dust is filtered and collected, thereby improving the dust removing effect of the PCB and the dust removing efficiency of the PCB.

In order to solve the technical problems, the dust removing device for a PCB provided by the utility model comprises: four upright posts are fixedly arranged at the tops of side frames on two sides of a conveyor on a production line, and the four upright posts are symmetrical in pairs; the top plate is fixedly arranged at the top ends of the four vertical rods; the rodless cylinder is fixedly arranged at the bottom of the top plate; the mounting plate is fixedly arranged at the bottom of the sliding block of the rodless cylinder; the two push rod motors are fixedly arranged at the bottom of the mounting plate; the protective covers are fixedly arranged at the bottom ends of the output rods of the two push rod motors; the dust blowing mechanism is arranged on the protective cover and below the conveyor; the rotating mechanism is arranged on the inner wall of the top of the protective cover; the dust collection mechanism is arranged on the protective cover and below the conveyor.

As a further scheme of the utility model, the dust blowing mechanism comprises a transverse pipe, a plurality of air nozzles, a mounting pipe, a first connecting pipe and a fan, wherein the transverse pipe is arranged in the protective cover, both ends of the transverse pipe are closed, the air nozzles are fixedly mounted on the transverse pipe, the air blowing directions of the air nozzles are different, the mounting pipe is fixedly connected to the top of the transverse pipe, the first connecting pipe is connected to the top of the mounting pipe, the first connecting pipe is fixedly connected with the top of the protective cover, the fan is arranged below the conveyor, and an air outlet of the fan is communicated with one end of the first connecting pipe through a hose.

As a further scheme of the utility model, the rotating mechanism comprises a mounting frame, a gear motor and two gears, wherein the mounting frame is fixedly arranged on the inner wall of the top of the protective cover, the gear motor is fixedly arranged on the mounting frame, the mounting pipe is rotationally connected with the mounting frame, the top end of the mounting pipe extends into the first connecting pipe, the mounting pipe is in sealing and rotational connection with the first connecting pipe, the two gears are respectively fixedly sleeved on the mounting pipe and the output shaft of the gear motor, and the two gears are meshed.

As a further scheme of the utility model, the dust collection mechanism comprises a circular pipe, a plurality of dust suction hoods, a second connecting pipe, a dust collection box and a multi-stage filter screen, wherein the circular pipe is fixedly arranged on the inner wall of the protective cover, the dust suction hoods are fixedly arranged at the bottom of the circular pipe, the second connecting pipe is fixedly arranged at the top of the circular pipe, the second connecting pipe extends out of the protective cover, the dust collection box is arranged on the ground below the conveyor, the fan is fixedly arranged at one side of the dust collection box, the air inlet of the fan extends into the dust collection box, a pipe connector is arranged at one side, far away from the fan, of the dust collection box, the pipe connector is communicated with the dust collection box, the second connecting pipe is communicated with the pipe connector on the dust collection box through a hose, and the multi-stage filter screen is arranged in the dust collection box.

As a further scheme of the utility model, the bottom of the top plate is fixedly provided with an infrared sensor.

As a further scheme of the utility model, a controller is fixedly arranged on the top of the top plate.

Compared with the related art, the dust removing device for the PCB provided by the utility model has the following beneficial effects:

the utility model provides a dust removal device for a PCB board, which comprises a dust removal device, a dust removal device and a dust collection device, wherein the dust removal device is used for the PCB board:

1. the conveyer, the vertical rod, the top plate, the rodless cylinder, the mounting plate, the push rod motor, the protective cover, the infrared sensor and the controller are matched, so that the protective cover covers the PCB on a conveying belt of the conveyer while the conveyer continuously operates, and air flow can be blown out of the PCB through the dust blowing mechanism and the rotating mechanism, so that dust on the PCB is raised, and the dust cleaning effect on the PCB is better;

2. the dust collection mechanism can convey the raised dust into the dust collection box, and the dust overflow is avoided through the protective cover to pollute the workshop environment, so that the dust collection efficiency of the whole PCB is improved.

Drawings

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

Fig. 1 is a schematic front sectional view of a dust removing device for a PCB according to a preferred embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of the portion A in FIG. 1;

FIG. 3 is an enlarged schematic view of the portion B of FIG. 1;

FIG. 4 is an enlarged schematic view of the portion C of FIG. 1;

FIG. 5 is a schematic diagram illustrating a side view of an infrared sensor and a top plate according to the present utility model;

FIG. 6 is a schematic top view of the grommet according to the present utility model.

In the figure: 1. a conveyor; 2. a vertical rod; 3. a top plate; 4. a rodless cylinder; 5. a mounting plate; 6. a push rod motor; 7. a protective cover; 8. a transverse tube; 9. an air nozzle; 10. installing a pipe; 11. a first connection pipe; 12. a blower; 13. a mounting frame; 14. a speed reducing motor; 15. a gear; 16. a grommet; 17. a dust hood; 18. a second connection pipe; 19. a dust collection box; 20. a multi-stage filter screen; 21. an infrared sensor.

Detailed Description

Referring to fig. 1-6 in combination, fig. 1 is a schematic front sectional view of a dust removing device for a PCB according to a preferred embodiment of the present utility model; FIG. 2 is an enlarged schematic view of the portion A in FIG. 1; FIG. 3 is an enlarged schematic view of the portion B of FIG. 1; FIG. 4 is an enlarged schematic view of the portion C of FIG. 1; FIG. 5 is a schematic diagram illustrating a side view of an infrared sensor and a top plate according to the present utility model; FIG. 6 is a schematic top view of the grommet according to the present utility model. A dust collector for PCB board includes: four pole setting 2, roof 3, rodless cylinder 4, mounting panel 5, two push rod motors 6, protection casing 7, dust blowing mechanism, rotary mechanism and dust absorption mechanism of the both sides frame top of conveyer 1 on the production line, four pole setting 2 two liang symmetries, roof 3 fixed mounting is on the top of four pole setting 2, rodless cylinder 4 fixed mounting is in the bottom of roof 3, mounting panel 5 fixed mounting is in the bottom of the slider of rodless cylinder 4, two push rod motors 6 are all fixed mounting in the bottom of mounting panel 5, protection casing 7 fixed mounting is in the output pole bottom of two push rod motors 6, can carry out horizontal migration to protection casing 7 through rodless cylinder 4, make its cover when conveyer 1's conveyer belt, can go up and down to protection casing 7 through two push rod motors 6, dust blowing mechanism locates on protection casing 7 and conveyer 1's below, rotary mechanism locates on the top inner wall of protection casing 7, dust absorption mechanism locates on protection casing 7 and conveyer 1's below.

The dust blowing mechanism comprises a transverse tube 8, a plurality of air nozzles 9, a mounting tube 10, a first connecting tube 11 and a fan 12, wherein the transverse tube 8 is arranged in the protective cover 7, both ends of the transverse tube 8 are all closed, the air nozzles 9 are fixedly arranged on the transverse tube 8, the air blowing directions of the air nozzles 9 are different, the mounting tube 10 is fixedly connected to the top of the transverse tube 8, the first connecting tube 11 is connected to the top of the mounting tube 10, the first connecting tube 11 is fixedly connected to the top of the protective cover 7, the fan 12 is arranged below the conveyor 1, an air outlet of the fan 12 is communicated with one end of the first connecting tube 11 through a hose, and air flow can be blown out of the PCB through the dust blowing mechanism, so that dust on the PCB is lifted in the protective cover 7.

The rotating mechanism comprises a mounting frame 13, a gear motor 14 and two gears 15, wherein the mounting frame 13 is fixedly arranged on the inner wall of the top of the protective cover 7, the gear motor 14 is fixedly arranged on the mounting frame 13, the mounting pipe 10 is rotationally connected with the mounting frame 13, the top end of the mounting pipe 10 extends into the first connecting pipe 11, the mounting pipe 10 is sealed and rotationally connected with the first connecting pipe 11, the two gears 15 are respectively and fixedly sleeved on the mounting pipe 10 and the output shaft of the gear motor 14, the two gears 15 are meshed, and the transverse pipe 8 and a plurality of air nozzles 9 on the transverse pipe can rotate through the rotating mechanism, so that the air flow blown out of the PCB is more comprehensive.

The dust collection mechanism comprises a circular pipe 16, a plurality of dust hoods 17, a second connecting pipe 18, a dust collection box 19 and a multi-stage filter screen 20, wherein the circular pipe 16 is fixedly arranged on the inner wall of the protective cover 7, the dust hoods 17 are fixedly arranged at the bottom of the circular pipe 16, the second connecting pipe 18 is fixedly arranged at the top of the circular pipe 16, the second connecting pipe 18 extends out of the protective cover 7, the dust collection box 19 is arranged on the ground below the conveyor 1, the fan 12 is fixedly arranged on one side of the dust collection box 19, an air inlet of the fan 12 extends into the dust collection box 19, a pipe interface is arranged on one side, far away from the fan 12, of the dust collection box 19, the pipe interface is communicated with the dust collection box 19, the second connecting pipe 18 is communicated with a pipe interface on the dust collection box 19 through a hose, and the multi-stage filter screen 20 is arranged in the dust collection box and can convey raised dust into the dust collection box 19 through the dust collection mechanism.

An infrared sensor 21 is fixedly arranged at the bottom of the top plate 3, and the movement of the PCB is monitored through the infrared sensor 21.

A controller is fixedly arranged on the top of the top plate 3, and the operation of the equipment is automatically controlled by the controller.

The dust removing device for the PCB provided by the utility model has the following working principle: the hose used in the device is long enough;

when the PCB automatic protection device is used, the PCBs produced on the production line are placed on the conveyor belt on the conveyor 1 one by one at intervals, along with the flow of the conveyor belt, when the PCBs move to the position right below the infrared sensor 21, the infrared sensor 21 monitors the PCBs, two push rod motors 6 are automatically started through the controller, so that the output rods are extended, the protection cover 7 is driven to descend to a set position, namely, when the protection cover 7 just contacts the conveyor belt of the conveyor 1, the rodless cylinder 4 is started to drive the protection cover 7 to move along with the conveyor belt of the conveyor 1 at the same speed, and the protection cover 7 covers the PCBs in the protection cover 7;

simultaneously, the controller starts the rodless cylinder 4, synchronously starts the fan 12, drives the mounting tube 10 to rotate through the two gears 15 by starting the speed reducing motor 14 on the PCB board in the protective cover 7 through the plurality of air nozzles 9 on the transverse tube 8, so that the transverse tube 8 drives the plurality of air nozzles 9 to rotate, dust on the PCB board is blown up by air flows sprayed by the plurality of air nozzles 9 with different air spraying directions, dust is caused in the protective cover 7, meanwhile, the air in the dust collection box 19 is pumped by the operation of the fan 12, so that the dust collection box 19 is in a negative pressure state, a plurality of dust suction hoods 17 on the ring tube 16 suck the air in the protective cover 7, the lifted dust is sucked into the dust collection box 19, and the dust can be filtered by the multi-stage filter screen 20 in the dust collection box 19, so that the dust is accumulated in the dust collection box 19;

after the sliding block of the rodless cylinder 4 moves to the other end, automatically starting two push rod motors 6 through the controller to shorten the output rod, so that the protective cover 7 is lifted to the initial height, and starting the rodless cylinder 4 to move back to enable the protective cover 7 to move to the initial position;

when the infrared sensor 21 monitors the next PCB, the next PCB is continuously dedusted as in the above steps, and the conveyor 1 is not required to be shut down in the whole dedusting process of the PCB, so that the conveyor 1 continuously operates, the dedusting efficiency of the PCB is improved, and the production efficiency of the PCB is also improved.

the utility model provides a dust removing device for a PCB, which is matched with a conveyer 1, a vertical rod 2, a top plate 3, a rodless cylinder 4, a mounting plate 5, a push rod motor 6, a protective cover 7, an infrared sensor 21 and a controller, wherein the PCB is covered on a conveyor belt of the conveyer 1 by the protective cover 7 while the conveyer 1 continuously operates, and air flow can be blown out of the PCB through a dust blowing mechanism and a rotating mechanism, so that dust on the PCB is lifted, the dust removing effect on the PCB is better, the lifted dust can be conveyed into a dust collecting box 19 through a dust collecting mechanism, and the dust is prevented from overflowing through the protective cover 7 to pollute the workshop environment.

It should be noted that, the device structure and the drawings of the present utility model mainly describe the principle of the present utility model, in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, and on the premise that the person skilled in the art understands the principle of the present utility model, the specific details of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the drawings, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment are conventional models in the prior art, and the structures and the principles of the parts are all known by the skilled person through technical manuals or through conventional experimental methods.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents, and in other related technical fields, which are equally encompassed by the scope of the present utility model.

Claims

1. A dust collector for PCB board, characterized by comprising:

four upright posts are fixedly arranged at the tops of side frames on two sides of a conveyor on a production line, and the four upright posts are symmetrical in pairs;

the top plate is fixedly arranged at the top ends of the four vertical rods;

the rodless cylinder is fixedly arranged at the bottom of the top plate;

the mounting plate is fixedly arranged at the bottom of the sliding block of the rodless cylinder;

the two push rod motors are fixedly arranged at the bottom of the mounting plate;

the protective covers are fixedly arranged at the bottom ends of the output rods of the two push rod motors;

the dust blowing mechanism is arranged on the protective cover and below the conveyor;

the rotating mechanism is arranged on the inner wall of the top of the protective cover;

the dust collection mechanism is arranged on the protective cover and below the conveyor.

2. The dust removing device for the PCB according to claim 1, wherein the dust blowing mechanism comprises a transverse tube, a plurality of air nozzles, a mounting tube, a first connecting tube and a fan, wherein the transverse tube is arranged in the protective cover, two ends of the transverse tube are all closed, the air nozzles are fixedly arranged on the transverse tube, the air jetting directions of the air nozzles are different, the mounting tube is fixedly connected to the top of the transverse tube, the first connecting tube is connected to the top of the mounting tube, the first connecting tube is fixedly connected to the top of the protective cover, the fan is arranged below the conveyor, and an air outlet of the fan is communicated with one end of the first connecting tube through a hose.

3. The dust removing device for the PCB according to claim 2, wherein the rotating mechanism comprises a mounting frame, a gear motor and two gears, the mounting frame is fixedly mounted on the inner wall of the top of the protective cover, the gear motor is fixedly mounted on the mounting frame, the mounting pipe is rotationally connected with the mounting frame, the top end of the mounting pipe extends into the first connecting pipe, the mounting pipe is in sealing and rotational connection with the first connecting pipe, the two gears are fixedly sleeved on the mounting pipe and the output shaft of the gear motor respectively, and the two gears are meshed.

4. The dust removal device for the PCB according to claim 2, wherein the dust collection mechanism comprises a circular pipe, a plurality of dust hoods, a second connecting pipe, a dust collection box and a multi-stage filter screen, the circular pipe is fixedly installed on the inner wall of the protective cover, the dust hoods are fixedly installed at the bottom of the circular pipe, the second connecting pipe is fixedly installed at the top of the circular pipe, the second connecting pipe extends out of the protective cover, the dust collection box is arranged on the ground below the conveyor, the fan is fixedly installed on one side of the dust collection box, an air inlet of the fan extends into the dust collection box, a pipe interface is arranged on one side, far away from the fan, of the dust collection box, the pipe interface is communicated with the inside of the dust collection box, the second connecting pipe is communicated with a pipe interface on the dust collection box through a hose, and the multi-stage filter screen is installed in the dust collection box.

5. The dust removing device for a PCB board of claim 1, wherein the bottom of the top plate is fixedly installed with an infrared sensor.

6. The dust removing apparatus for a PCB board of claim 1, wherein a controller is fixedly installed at a top of the top plate.