CN214918356U

CN214918356U - Golden finger cleaning device

Info

Publication number: CN214918356U
Application number: CN202120011591.8U
Authority: CN
Inventors: 唐龙; 胡勇; 陈勇
Original assignee: Rotch Robot Shenzhen Co ltd
Current assignee: Rotch Robot Shenzhen Co ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-11-30
Anticipated expiration: 2031-01-04

Abstract

The utility model discloses a golden finger cleaning device, include: the device comprises a rack, a driving shaft and a driving shaft, wherein the rack is provided with a workbench; the driving mechanism is arranged on the driving shaft upright post; the dust-free cloth mechanism is connected with the driving mechanism; the wiping mechanism is connected with the driving mechanism and arranged below the dust-free cloth mechanism, and is used for wiping the golden fingers; the detection positioning mechanism is arranged on one side of the wiping mechanism; a support frame assembly connected with the width adjusting mechanism. The utility model discloses technical scheme uses manpower sparingly cleans and detects, and can improve the productivity.

Description

Golden finger cleaning device

Technical Field

The utility model relates to a PCB board cleaning device technical field, in particular to golden finger cleaning device.

Background

Gold fingers refer to the golden strip of metal that is inserted into the slot for various cards. After the wire harness is processed and injection-molded at low pressure, the golden fingers of the PCB board are possibly dirty and need to be cleaned, so that the signal transmission performance of the PCB board is ensured.

At present, in the process of cleaning the golden fingers, the existing cleaning equipment has low efficiency, and the golden fingers are not easy to clean when a PCB is produced on a large scale.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a golden finger cleaning device aims at solving the technical problem of present golden finger cleaning inefficiency.

In order to achieve the above object, the utility model provides a golden finger cleaning device, include:

the device comprises a rack, a driving shaft and a driving shaft, wherein the rack is provided with a workbench;

the driving mechanism is arranged on the driving shaft upright post;

the dust-free cloth mechanism is connected with the driving mechanism;

the wiping mechanism is connected with the driving mechanism and arranged below the dust-free cloth mechanism, and is used for wiping the golden fingers;

the detection positioning mechanism is arranged on one side of the wiping mechanism;

the support frame assembly comprises a plurality of groups of support frames, the support frame assembly is arranged between the driving shaft stand columns and located below the wiping mechanism, the support frame assembly is connected with a width adjusting mechanism, and the width adjusting mechanism is used for adjusting the distance between the support frames of each group.

Optionally, the drive mechanism comprises: the Y-axis driving module, the Y-axis driven module, the Z-axis module and the X-axis module;

the driving shaft stand top sets up the crossbeam, set up on the crossbeam Y axle initiative module and the driven module of Y axle, X axle module sliding connection be in Y axle initiative module and the driven module of Y axle, Z axle module sliding connection be in on the X axle module.

Optionally, the wiping mechanism and the dust-free cloth mechanism are both connected to the Z-axis module.

Optionally, the dust-free cloth mechanism comprises a receiving wheel and a discharging wheel, and dust-free cloth is unwound by the discharging wheel and then wound on the receiving wheel;

the material receiving wheel is arranged on the material receiving shaft, the material discharging wheel is arranged on the material discharging shaft, the material receiving shaft and the material discharging shaft are arranged on the material receiving and discharging support, and the material receiving shaft is further connected with a material receiving motor.

Optionally, the wiping mechanism comprises a wiping frame, a plurality of rotating shafts are arranged on the wiping frame, tensioning wheels and transition wheels are arranged on the rotating shafts, and the dust-free cloth is connected with the wiping head through the tensioning wheels and the transition wheels;

the wiping frame is connected with the scale frame, a plurality of wiping heads are arranged at the bottom of the scale frame, each wiping head comprises a cleaning pressure head, and the cleaning pressure head presses the dust-free cloth to wipe the golden finger;

the cleaning pressure head is further connected with a pressure sensor and a buffer spring, and the buffer spring is connected between the cleaning pressure head and the scale frame.

Optionally, the detecting and positioning mechanism comprises a CCD camera, the CCD camera is connected with an adjusting plate, and the adjusting plate is connected with the wiping mechanism;

the adjusting plate is further provided with a light source, and the light source is arranged at the bottom of the CCD camera.

Optionally, the width adjusting mechanism includes a linear slide rail and an adjusting screw, the support frame is slidably connected to the linear slide rail, and the support frame is perpendicular to the linear slide rail;

the adjusting screw rod is parallel to the linear slide rail, an adjusting knob is further arranged at one end of the screw rod, and the distance between the support frames is adjusted by rotating the screw rod through the adjusting knob.

Optionally, the support frame is further connected with a clamping and positioning mechanism, and when a carrier plate for holding the PCB reaches the workbench, the clamping and positioning mechanism clamps and lifts the carrier plate and places the carrier plate on the support frame.

Optionally, the clamping and positioning mechanism comprises a plurality of lifting cylinders, and the lifting cylinders are slidably connected to the side surfaces of the supporting frame;

the lifting cylinder is further connected with a clamping plate, and when the lifting cylinder is clamped, the clamping plate is abutted to the carrier plate.

Optionally, the cleaning device further comprises a control mechanism, and the control mechanism controls the driving mechanism, the dust-free cloth mechanism, the wiping mechanism and the detection positioning mechanism to act.

The utility model discloses technical scheme detects the location through adopting detection positioning mechanism, wiping mechanism and actuating mechanism to realize detecting before the cleanness cleans and whether correctly putting, and after cleaning, also can detect through detection positioning mechanism and clean whether qualified, uses manpower sparingly and detects, and can improve the productivity. The width between the support frame assembly and the width between the support frames are adjusted through the width joint mechanism, so that the support frame assembly can adapt to working environments with different conditions, and the applicability of the cleaning device is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of the golden finger cleaning device of the present invention;

FIG. 2 is a schematic structural view of an embodiment of the golden finger cleaning device of the present invention;

FIG. 3 is a schematic structural view of an embodiment of a driving mechanism of the golden finger cleaning device of the present invention;

FIG. 4 is a schematic structural view of the dust-free cloth mechanism and the wiping mechanism of the golden finger cleaning device according to the embodiment of the present invention;

FIG. 5 is a schematic structural view of an embodiment of a cleaning head of the golden finger cleaning device of the present invention;

FIG. 6 is a schematic structural view of an embodiment of a support frame assembly of the golden finger cleaning device of the present invention;

the reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)	Reference numerals	Name (R)
						100	Rack	304	Discharging shaft	501	CCD camera
101	Working table	305	Material receiving and discharging support	502	Adjusting plate
						102	Driving shaft upright post	306	Material receiving motor	503	Light source
103	Cross beam	400	Wiping mechanism	600	Support frame assembly
						200	Driving mechanism	401	Wiping rack	601	Supporting frame
201	X-axis module	402	Rotating shaft	700	Width adjusting mechanism
						202	Y-axis active module	403	Tension wheel	701	Linear sliding rail
203	Y-axis driven module	404	Transition wheel	702	Adjusting screw rod
						204	Z-axis module	405	Cleaning pressure head	703	Adjusting knob
300	Dust-free cloth mechanism	406	Scale rack	800	Clamping and positioning mechanism
						301	Material receiving wheel	407	Pressure sensor	801	Lifting cylinder
302	Discharging wheel	408	Buffer spring	802	Clamping plate
						303	Material collecting shaft	500	Detection positioning mechanism	900	Support plate

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a golden finger cleaning device.

In an embodiment of the present invention, as shown in fig. 1 to 6, the golden finger cleaning device includes:

the device comprises a frame, a driving shaft upright post 102, a driving shaft and a driving shaft, wherein the frame is provided with a workbench 101, and the workbench 101 is provided with the driving shaft upright post 102;

a drive mechanism 200, said drive mechanism 200 being disposed on said drive shaft column 102;

the dust-free cloth mechanism 300, the dust-free cloth mechanism 300 is connected with the driving mechanism 200;

the wiping mechanism 400 is connected with the driving mechanism 200 and arranged below the dust-free cloth mechanism 300, and the wiping mechanism 400 is used for wiping golden fingers;

a detection positioning mechanism 500, wherein the detection positioning mechanism 500 is arranged on one side of the wiping mechanism 400;

the supporting frame assembly 600 comprises a plurality of groups of supporting frames 601, the supporting frame assembly 600 is arranged between the driving shaft upright posts 102 and is positioned below the wiping mechanism 400, the supporting frame assembly 600 is connected with a width adjusting mechanism 700, and the width adjusting mechanism 700 is used for adjusting the distance between each group of the supporting frames 601.

In this embodiment, a hood is further disposed on the rack, and an inlet and an outlet for transporting the carrier plate 900 and a viewing port convenient for viewing are disposed on the hood. Four driving shaft columns 102 are arranged, and the driving mechanism 200 drives the dust-free cloth mechanism 300 and the wiping mechanism 400 to move so as to finish cleaning. Each set of support frames 601 comprises two support frames 601 arranged in parallel, and the support frames 601 are arranged in parallel to the moving direction of the carrier plate 900.

The utility model discloses technical scheme realizes detecting before the cleanness wiping whether correctly to fix a position putting through adopting detection positioning mechanism 500, wiping mechanism 400 and actuating mechanism 200, and is cleaning the back, also can detect through detection positioning mechanism 500 and clean whether qualified, uses manpower sparingly and detects, and can improve the productivity. The width between the support frame assembly 600 passes through width adjustment mechanism adjustment support frame can adapt to the operational environment of different situations, improves cleaning device's suitability.

Optionally, the driving mechanism 200 comprises: a Y-axis driving module 202, a Y-axis driven module 203, a Z-axis module 204 and an X-axis module 201;

the top of the driving shaft upright post 102 is provided with a cross beam 103, the cross beam 103 is provided with the Y-axis driving module 202 and the Y-axis driven module 203, the X-axis module 201 is slidably connected to the Y-axis driving module 202 and the Y-axis driven module 203, and the Z-axis module 204 is slidably connected to the X-axis module 201.

In this embodiment, the cross beam 103 spans over two drive shaft columns 102, and the cross beam 103 is disposed perpendicular to the support frame 601. Wherein, a beam 103 is provided with a Y-axis driving module 202, the other beam 103 is provided with a Y-axis driven module 203, and the X-axis module 201 crosses and slides between the Y-axis driving module 202 and the Y-axis driven module 203, so that the X-axis module 201 can slide along the Y-axis. The Z-axis module 204 is slidably connected to the X-axis module 201 and slides in the X-axis direction.

Further, the wiping mechanism 400 and the dust-free cloth mechanism 300 are both connected to the Z-axis module 204.

Thus, the wiping mechanism 400 and the dust-free cloth mechanism 300 can slide in the Z-axis direction, and the heights thereof can be adjusted. Therefore, the driving mechanism 200 drives the wiping mechanism 400 and the dust-free cloth mechanism 300 to move in the direction X, Y, Z, the position between the wiping mechanism and the golden finger is adjusted, wiping is facilitated, and the accuracy and the wiping efficiency are improved.

Optionally, the dust-free cloth mechanism 300 includes a material receiving wheel 301 and a material discharging wheel 302, and the dust-free cloth is unwound by the material discharging wheel 302 and then wound on the material receiving wheel 301;

the material receiving wheel 301 is arranged on the material receiving shaft 303, the material discharging wheel 302 is arranged on the material discharging shaft 304, the material receiving shaft 303 and the material discharging shaft 304 are both arranged on the material receiving and discharging support 305, and the material receiving shaft 303 is further connected with a material receiving motor 306.

In this embodiment, the material receiving and discharging support 305 is connected to the Z-axis module 204 through the fixing block, the material receiving wheel 301 and the material discharging wheel 302 are provided with a plurality of corresponding cleaning heads 405 of the cleaning mechanism 400, and one material receiving wheel 301 and one material discharging wheel 302 correspond to one cleaning head 405 of the cleaning mechanism 400, so that a plurality of golden fingers can be cleaned at one time, and the cleaning efficiency is improved. In the implementation process, one discharging shaft 304 is provided with one discharging wheel 302, and one receiving shaft 303 is provided with a plurality of receiving wheels 301. The plurality of discharging wheels 302 are arranged in a staggered mode and matched with the corresponding receiving wheels 301. The receiving motor 306 drives the receiving shaft 303 to rotate, so that the dust-free cloth passes through the cleaning pressure head 405 from the discharging wheel 302 and is collected by the receiving wheel 301.

Further, the wiping mechanism 400 includes a wiping frame 401, a plurality of rotating shafts 402 are arranged on the wiping frame 401, a tension wheel 403 and a transition wheel 404 are arranged on the rotating shafts 402, and the dust-free cloth is connected to the wiping head through the tension wheel 403 and the transition wheel 404;

the wiping frame 401 is connected with a scale frame 406, a plurality of wiping heads are arranged at the bottom of the scale frame 406, each wiping head comprises a cleaning pressure head 405, and the cleaning pressure heads 405 press dust-free cloth to wipe golden fingers;

the cleaning ram 405 is also connected to a pressure sensor 407 and a buffer spring 408, the buffer spring 408 being connected between the cleaning ram 405 and the scale frame 406.

In the specific implementation process, the wiping frame 401 and the material receiving and discharging bracket 305 of the dust-free cloth mechanism 300 can be integrated into a whole, so that the space and the installation procedure are saved. Two sides of the wiping frame 401 are respectively provided with a plurality of corresponding rotating shafts 402, the rotating shafts 402 are provided with a plurality of tension wheels 403 and transition wheels 404, and each piece of dust-free cloth corresponds to one tension wheel 403 and one transition wheel 404.

One end of the scale frame 406 is fixed on the wiping frame 401, and the scale is additionally provided with a scale, so that the distance between the wiping heads can be conveniently adjusted, and the wiping accuracy is improved. Furthermore, a cleaning agent spray head is arranged beside the wiping head, so that the cleaning agent is continuously sprayed in the wiping process, and the wiping effect is improved. The driving mechanism 200 drives the wiping mechanism 400 to move in different directions, so that the wiping head can wipe golden fingers at different positions, and the accuracy is improved.

In practice, when the cleaning head 405 presses the golden finger to wipe, the pressing force may be too large or too small, and thus the pressure sensor 407 is provided in the cleaning head 405, and the pressure sensor 407 can transmit a pressure value to the control mechanism in time to control the pressure of the cleaning head 405. And when the pressure is too big, buffer spring 408 can buffer a certain pressure, protecting the PCB from being crushed.

The specific wiping process comprises the following steps:

x, Y, Z shaft drives the wiping component to move to the upper part of the jig to wipe 1 group of 4 products (8 positions needing wiping) (the dust-free cloth moves along with the wiping head during wiping), the wiping component wipes 2 times, after wiping, the dust-free cloth mechanism 300 sends new dust-free cloth, the Y-shaft module of the wiping mechanism 400 moves forwards for 60mm (the dust-free cloth moves along with the wiping head during wiping), the wiping mechanism 400 continues to wipe 2 group of 4 products (8 positions needing wiping), the wiping head presses down the dust-free cloth and moves to finish wiping, wiping is performed 2 times, after wiping, the dust-free cloth mechanism 300 sends new dust-free cloth, the Y-shaft module of the wiping module continues to move forwards for 60mm, and wipes 3 group of products (4 products) (the dust-free cloth moves along with the wiping head during wiping), and wiping is performed 2 times;

after completion, then returning to the safe position;

and the operation is circulated in sequence.

Optionally, the detecting and positioning mechanism 500 includes a CCD camera 501, the CCD camera 501 is connected to an adjusting plate 502, and the adjusting plate 502 is connected to the wiping mechanism 400;

the adjusting plate 502 is further provided with a light source 503, and the light source 503 is arranged at the bottom of the CCD camera 501.

The CCD camera 501 adjusts the observation accuracy by adjusting the position on the adjustment plate 502. The detection fine positioning mechanism and the wiping mechanism 400 move synchronously to realize detection before wiping. In addition, a lens of the CCD camera 501 is opposed to the light source 503.

Specifically, the procedure for detecting the positioning and the wiping effect is as follows:

the CCD mechanism is driven by an X, Y, Z shaft to move to the position above the carrier plate 900, then the Z shaft moves downwards, and under the drive of a X, Y shaft, CCD photographing is carried out on each product in sequence, and whether positioning OK is placed or not is detected;

or:

detecting whether dirt, water stain, dust and the like exist or not, and if not, cleaning OK is carried out;

if any one of the objects is positioning NG, the equipment gives an alarm and an operator handles the alarm;

if all the positions are OK, wiping is started.

Or:

if any one of the articles is clean NG, the equipment gives an alarm and an operator handles the alarm;

if all cleaning is OK, wiping is finished.

Optionally, the width adjustment mechanism 700 includes a linear slide rail 701 and an adjustment screw 702, the support frame 601 is slidably connected to the linear slide rail 701, and the support frame 601 is perpendicular to the linear slide rail 701;

the adjusting screw 702 is arranged in parallel with the linear sliding rail 701, an adjusting knob 703 is further arranged at one end of the screw, and the distance between the supporting frames 601 is adjusted by rotating the screw through the adjusting knob 703.

In this embodiment, support plates are provided between the drive shaft columns 102, the support plates are arranged in parallel with the support frame 601, and the width adjustment mechanism 700 is mounted on the support plates. Specifically, the two sides of the supporting frame assembly 600 are provided with supporting plates, and the adjusting screw 702 and the linear slide rail 701 cross and penetrate through the two supporting plates. The support frame 601 is further connected to the linear sliding rail 701 in a sliding mode through a sliding block, and the support frame 601 is connected with the lead screw in a threaded mode. Thus, the distance between the supporting frames 601 can be adjusted by rotating the lead screw.

Optionally, the supporting frame 601 is further connected to a clamping and positioning mechanism 800, and when the carrier board 900 for holding the PCB reaches the workbench 101, the clamping and positioning mechanism 800 clamps and lifts the carrier board 900 and places the carrier board 900 on the supporting frame 601.

In a specific implementation, the work table 101 is connected to a conveyor line, and the carrier board 900 is transported by the conveyor line. In addition, a plurality of uniformly distributed placing grooves are formed in the carrier plate 900, and the PCB is placed in the placing grooves in order. When the carrier plate 900 reaches the clamping and positioning mechanism 800 of the worktable 101, the clamping and positioning mechanism 800 operates. As an alternative, a photoelectric monitoring component is disposed on the clamping and positioning mechanism 800, and when the photoelectric monitoring component monitors the carrier plate 900, the clamping and positioning mechanism 800 is triggered to start to operate.

Further, the clamping and positioning mechanism 800 comprises a plurality of lifting cylinders 801, and the lifting cylinders 801 are slidably connected to the side surfaces of the supporting frame 601;

the lifting cylinder 801 is further connected with a clamping plate 802, and when clamping is performed, the clamping plate 802 abuts against the carrier plate 900.

In a specific implementation process, the supporting frame 601 is further provided with a pressing plate, and after the clamping plate 802 clamps and lifts the carrier plate 900, the top of the carrier plate 900 is still abutted against the pressing plate, so that the stability of the carrier plate 900 can be improved, the carrier plate 900 cannot move during wiping, and the effectiveness of wiping is ensured. In particular, two lifting cylinders 801 are respectively on both sides of the carrier plate 900, jointly gripping and lifting one carrier plate 900.

Optionally, the cleaning device further comprises a control mechanism, and the control mechanism controls the actions of the driving mechanism 200, the dust-free cloth mechanism 300, the wiping mechanism 400 and the detection positioning mechanism 500.

In this embodiment, the control mechanism is the interconnected control system, controls each step action of cleaning device jointly, realizes unloading and multiunit wiping automatically, improves and cleans efficiency.

Thus, the wiping flow of the golden finger wiping device provided by the embodiment is as follows:

1. an operator puts a carrier plate (containing a product) into a conveying line, conveys the carrier plate into a clamping and positioning mechanism and stops the carrier plate;

2. automatically positioning and clamping the support plate, and jacking the support plate by using the cylinder to separate from the conveying line;

3. sequentially photographing the PCB on the whole carrier plate by using a CCD (charge coupled device), detecting whether all the PCB are placed with OK, if so, giving an alarm by using equipment, processing by an operator, and if so, wiping;

4. then the wiping mechanism and the dust-free cloth mechanism (containing an alcohol spraying valve) move together to wipe the golden fingers on the first group of 4 PCBs (the dust-free cloth and the cleaning pressure head move together during wiping), after the golden fingers at the 1 st position are wiped, the Z axis is lifted, the dust-free cloth moves by 40mm, and then the golden fingers at the second position are wiped;

5. after the cleaning, the dust-free cloth mechanism sends new dust-free cloth, a Y-axis driving module and a Y-axis driven module of the cleaning mechanism move forwards by 60mm (the dust-free cloth moves along with the cleaning head during cleaning), the cleaning pressure head moves downwards to contact the dust-free cloth, the cleaning pressure head continues to move downwards to contact the golden fingers, a second group of 4 products (8 positions needing to be cleaned) are cleaned, after the golden fingers at the 1 st position are cleaned, the Z axis is lifted, the dust-free cloth moves by 40mm, and then the golden fingers at the second position are cleaned;

6. after the cleaning is finished, the dust-free cloth mechanism sends new dust-free cloth, the Y-axis module of the dust-free cleaning component moves forwards by 60mm (the dust-free cloth moves along with the cleaning head during cleaning), the cleaning head moves downwards to contact the dust-free cloth, the Y-axis module continues to move downwards to contact the golden fingers, the third group of 4 products (8 positions needing cleaning) is cleaned, after the 1 st position is cleaned, the Z axis is lifted, the dust-free cloth moves by 40mm, and then the second golden fingers are cleaned;

7. the wiping component returns to the safe position to wait;

8. after the operation is finished, the air cylinder automatically retracts, the positioning mechanism loosens, the product returns to the conveying line, and meanwhile, the dust-free cloth mechanism sends new dust-free cloth to wait;

9. then the carrier plate (containing 12 products) is completely conveyed out by the conveying line;

10. reflowing the empty carrier plate by the reflow line;

11. and the operation is circulated in sequence.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A golden finger cleaning device, comprising:

the driving mechanism is arranged on the driving shaft upright post;

the dust-free cloth mechanism is connected with the driving mechanism;

2. The golden finger cleaning device of claim 1, wherein the drive mechanism comprises: the Y-axis driving module, the Y-axis driven module, the Z-axis module and the X-axis module;

3. The golden finger cleaning device of claim 2, wherein the wiping mechanism and the dust-free cloth mechanism are both connected to the Z-axis module.

4. The golden finger cleaning device as claimed in claim 1, wherein the dust-free cloth mechanism comprises a receiving wheel and a discharging wheel, and dust-free cloth is unwound by the discharging wheel and then wound on the receiving wheel;

5. The golden finger cleaning device according to claim 4, wherein the wiping mechanism comprises a wiping frame, a plurality of rotating shafts are arranged on the wiping frame, a tension wheel and a transition wheel are arranged on the rotating shafts, and a dust-free cloth is connected with the wiping head through the tension wheel and the transition wheel;

6. The golden finger cleaning device according to claim 1, wherein the detecting and positioning mechanism comprises a CCD camera, the CCD camera is connected with an adjusting plate, and the adjusting plate is connected with the wiping mechanism;

7. The golden finger cleaning device of claim 1, wherein the width adjusting mechanism comprises a linear slide rail and an adjusting screw, the supporting frame is slidably connected to the linear slide rail, and the supporting frame is arranged perpendicular to the linear slide rail;

8. The golden finger cleaning device of claim 1, wherein the supporting frame is further connected with a clamping and positioning mechanism, and when a carrier plate containing a PCB reaches the workbench, the clamping and positioning mechanism clamps and lifts the carrier plate and places the carrier plate on the supporting frame.

9. The golden finger cleaning device of claim 8, wherein the clamping and positioning mechanism comprises a plurality of lifting cylinders, and the lifting cylinders are slidably connected to the side surfaces of the supporting frame;

10. The golden finger cleaning device according to any one of claims 1 to 9, further comprising a control mechanism for controlling the actions of the driving mechanism, the dust-free cloth mechanism, the wiping mechanism and the detection positioning mechanism.