CN111356297A

CN111356297A - PCB board cleaning device

Info

Publication number: CN111356297A
Application number: CN201811574605.6A
Authority: CN
Inventors: 沈志翔
Original assignee: Shanghai Beiquan Electronic Technology Co ltd
Current assignee: Shanghai Beiquan Electronic Technology Co ltd
Priority date: 2018-12-21
Filing date: 2018-12-21
Publication date: 2020-06-30
Anticipated expiration: 2038-12-21
Also published as: CN111356297B

Abstract

The invention discloses a PCB cleaning device which comprises a bottom plate and a top plate arranged above the bottom plate, wherein the bottom plate is connected with the top plate through a support column, a perforating mechanism and a cleaning mechanism are arranged below the top plate, the perforating mechanism and the cleaning mechanism are both in threaded connection with the top plate, a PCB fixing frame is arranged above the bottom plate, two sides of the PCB fixing frame are rotatably connected with two rotating supports through rotating shafts, a locking nut is sleeved on the rotating shaft on one side of the PCB fixing frame, the rotating shaft on the other side of the PCB fixing frame is in transmission connection with an output shaft of a rotating motor through a belt, and a waste water tank is arranged below the PCB fixing frame. The PCB cleaning machine is simple in structure, can effectively remove impurities in holes of the PCB, can clean the PCB in all directions, is good in cleaning effect, and is suitable for popularization and use.

Description

PCB board cleaning device

Technical Field

The invention relates to the technical field of PCB (printed circuit board) matching equipment, in particular to a PCB cleaning device.

Background

The PCB is also called a printed circuit board, and is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. In the SMT production process, the PCB is directly transmitted to a printing machine for printing operation, and the PCB needs to be cleaned due to the fact that dust and foreign matters are attached to the surface of the PCB to influence the printing quality.

Traditional PCB board cleaning device generally adopts the mode of soaking, puts the PCB board promptly and carries out manual work or mechanical cleaning in the washing tank, though this kind of mode is simple swift, nevertheless hardly gets rid of the sweeps in the PCB board hole, and the PCB board can not overturn in the cleaning process moreover, hardly accomplishes to the omnidirectional washing of PCB board.

Disclosure of Invention

In view of the above disadvantages of the prior art, an object of the present invention is to provide a PCB cleaning apparatus, which is used to solve the problems that it is difficult to remove the waste chips in the holes of the PCB and to clean the PCB in all directions.

In order to achieve the above and other related objects, the present invention provides a PCB cleaning apparatus, including a bottom plate and a top plate disposed above the bottom plate, wherein the bottom plate is connected to the top plate through a support column, a perforation mechanism and a cleaning mechanism are disposed below the top plate, both the perforation mechanism and the cleaning mechanism are in threaded connection with the top plate, a PCB fixing frame is disposed above the bottom plate, both sides of the PCB fixing frame are rotatably connected to two rotating brackets through rotating shafts, a locking nut is sleeved on the rotating shaft on one side of the PCB fixing frame, the rotating shaft on the other side is in transmission connection with an output shaft of a rotating motor through a belt, and a waste water tank is disposed below the PCB fixing frame.

Preferably, the piercing mechanism includes first servo motor, first lead screw, first slide, installs electronic telescopic cylinder and perforated plate on first slide, the below of roof is fixed in to first servo motor spiro union, first lead screw links to each other with first servo motor and rotates continuously with the roof, first slide cover is located on the first lead screw and is slided along first lead screw, electronic telescopic cylinder's output is connected the perforated plate.

Preferably, the cleaning mechanism comprises a second servo motor, a second lead screw, a second sliding seat, a rotary motor and a water spraying plate, wherein the rotary motor and the water spraying plate are installed on the second sliding seat, the second servo motor is fixedly connected below the top plate in a threaded manner, the second lead screw is connected with the second servo motor and is rotatably connected with the top plate, the second sliding seat is sleeved on the second lead screw and slides along the second lead screw, and the output end of the rotary motor is connected with the water spraying plate.

Preferably, the lower end face of the perforated plate is provided with a projection which is in one-to-one correspondence with the circuit hole on the PCB.

Preferably, a nozzle is installed below the water spray plate.

Preferably, a mounting groove is formed in the frame body of the PCB fixing frame, a clamping plate is arranged at the notch of the mounting groove, and an adjusting bolt penetrates through the clamping plate and is connected to the outer side of the frame body.

Preferably, the rotating motor is fixedly installed on the base plate through a motor base.

Compared with the prior art, the invention has the beneficial effects that: through set up piercing depth and wiper mechanism in the below of roof, the fixed frame of PCB board is erect on two runing rest simultaneously, can utilize piercing depth to get rid of the impurity in the PCB board hole effectively before wasing, then the fixed frame of PCB board begins rotatoryly under rotating electrical machines's drive, and wiper mechanism carries out the omnidirectional and washes the PCB board of pairing rotation simultaneously. The device simple structure when effectively getting rid of impurity in the PCB board hole, can also carry out the omnidirectional to the PCB board and wash, the cleaning performance is good, suitable using widely.

Drawings

The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.

FIG. 1 is a schematic structural view of a PCB cleaning device provided by the present invention;

FIG. 2 is a schematic view of the piercing mechanism of the present invention;

FIG. 3 is a schematic view of the cleaning mechanism of the present invention;

FIG. 4 is a schematic view of a perforated plate according to the present invention;

FIG. 5 is a schematic view of the working state (through hole) of the PCB cleaning device provided by the present invention;

FIG. 6 is a schematic view of the working state (cleaning) of the PCB cleaning device according to the present invention;

wherein the reference numerals are specified as follows: the PCB board fixing frame comprises a bottom plate 1, a top plate 2, a support column 3, a punching mechanism 4, a cleaning mechanism 5, a PCB board fixing frame 6, a rotating support 7, a locking nut 8, a belt 9, a rotating motor 10, a waste water tank 11, a mounting groove 12, a clamping plate 13, an adjusting bolt 14, a first servo motor 41, a first lead screw 42, a first sliding seat 43, an electric telescopic cylinder 44, a punching plate 45, a convex block 46, a second servo motor 51, a second lead screw 52, a second sliding seat 53, a rotating motor 54, a water spraying plate 55 and a nozzle 56.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure herein.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used to limit the conditions and conditions of the present disclosure, so that the present disclosure is not technically significant, and any structural modifications, ratio changes or size adjustments should still fall within the scope of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

As shown in fig. 1, the invention provides a PCB cleaning device, which comprises a bottom plate 1 and a top plate 2 arranged above the bottom plate 1, wherein the bottom plate 1 is connected with the top plate 2 through a support column 3, a perforating mechanism 4 and a cleaning mechanism 5 are arranged below the top plate 2, the perforating mechanism 4 and the cleaning mechanism 5 are both in threaded connection with the top plate 2, a PCB fixing frame 6 is arranged above the bottom plate 1, two sides of the PCB fixing frame 6 are both rotatably connected with two rotating brackets 7 through rotating shafts, a locking nut 8 is sleeved on the rotating shaft on one side of the PCB fixing frame 6, the rotating shaft on the other side of the PCB fixing frame is in transmission connection with an output shaft of a rotating motor 10 through a belt 9, and a waste water tank 11 is arranged below the PCB.

As shown in fig. 2, the punching mechanism 4 includes a first servo motor 41, a first lead screw 42, a first sliding seat 43, an electric telescopic cylinder 44 and a punching plate 45 which are installed on the first sliding seat 43, the first servo motor 41 is screwed and fixed below the top plate 2, the first lead screw 42 is connected with the first servo motor 41 and rotatably connected with the top plate 2, the first sliding seat 43 is sleeved on the first lead screw 42 and slides along the first lead screw 42, and the output end of the electric telescopic cylinder 44 is connected with the punching plate 45; the lower end surface of the perforated plate 45 is provided with a projection 46 corresponding to the circuit holes on the PCB one to one, as shown in fig. 4.

As shown in fig. 3, the cleaning mechanism 5 includes a second servo motor 51, a second lead screw 52, a second slide 53, a rotary motor 54 mounted on the second slide 53, and a water spraying plate 55, the second servo motor 51 is screwed and fixed below the top plate 2, the second lead screw 52 is connected with the second servo motor 51 and rotatably connected with the top plate 2, the second slide 53 is sleeved on the second lead screw 52 and slides along the second lead screw 5, and an output end of the rotary motor 54 is connected with the water spraying plate 55; a nozzle 56 is installed below the water spray plate 55.

A mounting groove 12 is formed in the frame body of the PCB fixing frame 6, a clamping plate 13 is arranged at the notch of the mounting groove 12, and an adjusting bolt 14 is connected to the clamping plate 13 in a penetrating mode on the outer side of the frame body.

The rotating motor 10 is fixedly installed on the bottom plate 1 through a motor base.

In specific implementation, a PCB is placed in the mounting groove 12 in the PCB fixing frame 6, the adjusting bolt 14 is rotated to clamp and fix the PCB by the clamping plate 13, then the PCB fixing frame 6 is adjusted to be horizontal, the PCB fixing frame 6 is locked and kept horizontal by rotating the locking nut 8, then the first servo motor 41 is operated, the first sliding seat 43 drives the electric telescopic cylinder 44 to move right above the PCB, the electric telescopic cylinder 44 drives the perforated plate 45 to descend, as shown in fig. 5, the bump 46 on the lower end face of the perforated plate 45 is just embedded into the hole on the PCB to remove impurities, after cleaning, the first sliding seat 43 returns, then the locking nut 8 is rotated reversely to not lock the PCB fixing frame 6, the rotary motor 10 drives the PCB 6 to rotate on the rotary support 7, and the second servo motor 51 drives the second sliding seat 53 to enable the rotary motor 54 to be located right above the PCB, high pressure water is pumped into the nozzle 56 to wash the PCB board throughout, and the waste water is collected through the waste water tank 11.

In conclusion, the PCB cleaning machine is simple in structure, can effectively remove impurities in holes of the PCB, can clean the PCB in all directions, is good in cleaning effect, and is suitable for popularization and use. Therefore, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A PCB cleaning device is characterized by comprising a bottom plate (1) and a top plate (2) arranged above the bottom plate (1), the bottom plate (1) is connected with the top plate (2) through a support column (3), a perforating mechanism (4) and a cleaning mechanism (5) are arranged below the top plate (2), the perforating mechanism (4) and the cleaning mechanism (5) are both in threaded connection with the top plate (2), a PCB fixing frame (6) is arranged above the bottom plate (1), two sides of the PCB fixing frame (6) are rotatably connected with two rotating brackets (7) through rotating shafts, a locking nut (8) is sleeved on the rotating shaft at one side of the PCB fixing frame (6), the rotating shaft at the other side is in transmission connection with an output shaft of a rotating motor (10) through a belt (9), and a waste water tank (11) is arranged below the PCB fixing frame (6).

2. The PCB cleaning device of claim 1, wherein: piercing depth (4) include first servo motor (41), first lead screw (42), first slide (43), install electronic flexible cylinder (44) and perforated plate (45) on first slide (43), first servo motor (41) spiro union is fixed in the below of roof (2), first lead screw (42) link to each other and rotate with roof (2) with first servo motor (41) and link to each other, first slide (43) cover is located on first lead screw (42) and is slided along first lead screw (42), the output of electronic flexible cylinder (44) is connected perforated plate (45).

3. The PCB cleaning device of claim 1, wherein: the cleaning mechanism (5) comprises a second servo motor (51), a second lead screw (52), a second sliding seat (53), a rotary motor (54) and a water spraying plate (55), wherein the rotary motor (54) and the water spraying plate (55) are installed on the second sliding seat (53), the second servo motor (51) is fixedly connected below the top plate (2) in a threaded mode, the second lead screw (52) is connected with the second servo motor (51) and is rotatably connected with the top plate (2), the second sliding seat (53) is sleeved on the second lead screw (52) and slides along the second lead screw (5), and the output end of the rotary motor (54) is connected with the water spraying plate (55).

4. A PCB board cleaning apparatus as defined in claim 2, wherein: and the lower end surface of the perforated plate (45) is provided with lugs (46) which are in one-to-one correspondence with circuit holes on the PCB.

5. A PCB board cleaning apparatus as defined in claim 3, wherein: and a nozzle (56) is arranged below the water spraying plate (55).

6. The PCB cleaning device of claim 1, wherein: be equipped with mounting groove (12) in the framework of the fixed frame of PCB board (6) the notch department of mounting groove (12) is equipped with grip block (13), grip block (13) have adjusting bolt (14) in the framework outside through connection.

7. The PCB cleaning device of claim 1, wherein: the rotating motor (10) is fixedly arranged on the bottom plate (1) through a motor base.