CN218743411U

CN218743411U - Surface treatment device for PCB

Info

Publication number: CN218743411U
Application number: CN202223062888.0U
Authority: CN
Inventors: 熊世远; 沈佳洪; 张伟; 秦建奇
Original assignee: Guangde Yongsheng Electronic Technology Co ltd
Current assignee: Guangde Yongsheng Electronic Technology Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-28
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a surface treatment device for PCB circuit board, relate to PCB circuit board processing technology field, be used for solving among the prior art and all need repeatedly to go on unloading operation after accomplishing the processing to every PCB board, efficiency is extremely low, and some adopt the defeated material mode of conveyer belt to carry out the mode of handling to the surface of PCB board and can improve efficiency, but PCB surface treatment's region has the limitation, the not good enough problem of effect of deashing treatment, this a surface treatment device for PCB circuit board includes band conveyer and multiunit fixture, multiunit fixture equidistance sets up on band conveyer, the centre gripping has the PCB circuit board in the fixture, band conveyer's top is provided with the deashing subassembly, the device is effectual to PCB circuit board surface treatment deashing, the deashing in-process can be handled a plurality of faces of PCB circuit board, the region that shelters from is less, higher treatment effeciency has simultaneously.

Description

Surface treatment device for PCB

Technical Field

The utility model relates to a PCB circuit board processing technology field especially relates to a surface treatment device for PCB circuit board.

Background

PCB, also known as printed circuit board, is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. It is called a "printed" circuit board because it is made using electronic printing.

Because contain partial heavy metal among the PCB circuit board, directly throw away old and useless circuit board and can cause the pollution to ecological environment, also produced very big waste to heavy metal in addition, be unfavorable for the saving of resource to use, prior art carries out recycle to the circuit board usually, because the surface of old and useless circuit board adheres to there is a large amount of dusts, can produce a large amount of impurities in the recovery process to old and useless circuit board, makes the extraction technology of heavy metal more complicated in the old and useless circuit board, has reduced the recovery efficiency of old and useless circuit board.

Chinese patent publication (publication) No. CN212660386U provides a surface treatment device for PCB production. Surface treatment device is used in PCB production includes: a base; the treatment liquid tank is fixedly arranged at the top of the base, and the top of the treatment liquid tank is provided with an opening; the bracket is fixedly arranged at the top of the base, and the treatment liquid tank is positioned right below the bracket; the air cylinder is fixedly arranged on the support and is positioned right above the treatment liquid tank; the first transverse plate is fixedly arranged at the bottom end of the cylinder output rod; two montants, two the montant is all installed on first diaphragm, and the montant runs through first diaphragm. The utility model provides a surface treatment device is used in PCB production has convenient to use, easy operation, conveniently once carries out polylith PCB board clamp and gets, press from both sides to get fast and do not need artifical supplementary, can get rid of the processing liquid of remaining on the PCB board fast and take off, save the processing liquid, can effectively improve production efficiency's advantage.

Although the effect to the surface treatment of PCB circuit board is fine to above-mentioned patent, but all need repeated unloading operation of going up after accomplishing the processing to every PCB board, efficiency is extremely low, and some present defeated material modes that adopt the conveyer belt can raise the efficiency to the mode that the surface of PCB board was handled, but PCB surface treatment's region has the limitation, and the effect that the deashing was handled is not good enough on the surface, consequently, designs a surface treatment device for PCB circuit board.

SUMMERY OF THE UTILITY MODEL

The utility model provides a surface treatment device for PCB circuit board has solved and all need repeated unloading operation of going up after accomplishing the processing to every PCB board among the prior art, and efficiency is extremely low, and some adopt the defeated material mode of conveyer belt to carry out the mode of handling to the surface of PCB board though can raise the efficiency, but PCB surface treatment's region has the limitation, the not good enough technical problem of effect that the deashing was handled.

The utility model provides a scheme as follows of above-mentioned technical problem: the utility model provides a surface treatment device for PCB circuit board includes band conveyer and multiunit fixture, multiunit the fixture equidistance sets up on band conveyer, the fixture is interior to be held the PCB circuit board, band conveyer's top is provided with the deashing subassembly, the right side of deashing subassembly is installed and is blown the ash subassembly, every group fixture includes two clamping unit, two clamping unit is mutual symmetrical formula design, every group clamping unit includes the dead lever, the top of dead lever is fixed with the fixed plate, the inboard of fixed plate is rotated through the bearing and is connected with the connecting rod, the both ends of connecting rod all are fixed with even dish, two even the dish is kept away from the end mutually and all is connected with the carousel through the pivot rotation, still be provided with torque spring between carousel and the even dish, and torque spring cover locates the surface of pivot, two all be fixed with the connecting plate through L shape mounting on the carousel, be fixed with splint on the connecting plate, the bottom of connecting rod is fixed with another splint through two L shapes, and two splint are laminated each other, two the splint are close to one side mutually and have all seted up the draw-in one side, and the PCB circuit board inlays to be established in two sets of clamping unit.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the deashing subassembly includes two backup pads, two the backup pad is all fixed in band conveyer's top, is located the front side install the motor in the backup pad, the output of motor runs through the backup pad and is fixed with around the roller, it is provided with the deashing brush to wind the surface of roller, and deashing brush and fixture phase-match.

Furthermore, the soot blowing assembly comprises two inclined struts which are respectively fixed on the right sides of the two support plates, a connecting shaft is rotatably connected between the two inclined struts, a soot blowing gun is mounted on the connecting shaft and connected with an external high-pressure air pipe through a connector, and the end part of the soot blowing gun is provided with an angle inclined downwards.

Furthermore, a locking bolt is connected to the inclined strut on the front side in a threaded mode and matched with the connecting shaft, a screwing cover is fixed to the front end of the locking bolt, and anti-skidding grains are formed in the surface of the screwing cover.

Further, a hollow groove is formed in the belt conveyor and penetrates through the whole belt conveyor, a dust suction box is installed on the inner wall of the hollow groove, a plurality of dust suction holes distributed at equal intervals are formed in the top of the dust suction box, through holes are formed in a conveying belt in the belt conveyor, and the dust suction box is connected with external negative pressure equipment through an interface.

Furthermore, the inner walls of the clamping grooves in the clamping units are provided with anti-skidding sponge layers, and the distance between the inner walls of the clamping grooves is smaller than the thickness of the PCB.

The utility model has the advantages that: the utility model provides a surface treatment device for PCB circuit board has following advantage:

in this scheme, the device is effectual to PCB circuit board surface treatment deashing, and the deashing in-process can be handled a plurality of faces of PCB circuit board, and the region that shelters from is less, has higher treatment effeciency simultaneously, and the cooperation blows the ash and inhales the structure of ash and also can further improve PCB circuit board surface treatment's effect, improves and handles workshop environment.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The following examples and the accompanying drawings illustrate specific embodiments of the present invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a second perspective view of the present invention shown in fig. 2;

fig. 4 is a partial view of a portion a in fig. 3 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a belt conveyor; 2. hollowing out the grooves; 201. a dust collection box; 202. a dust collection hole; 3. a clamping mechanism; 301. fixing the rod; 302. a fixing plate; 303. a bearing; 304. a connecting rod; 305. connecting the disc; 306. a turntable; 307. a torsion spring; 308. a connecting plate; 309. a splint; 310. an L-shaped fixing member; 311. a card slot; 4. a PCB circuit board; 5. a soot cleaning assembly; 501. a support plate; 502. a motor; 503. winding the roller; 504. a dust cleaning brush; 6. a soot blowing assembly; 601. bracing; 602. a connecting shaft; 603. a soot blowing gun; 604. a joint; 605. and (5) screwing the cover.

Detailed Description

The principles and features of the present invention will be described with reference to the accompanying fig. 1-4, which are provided for illustration only and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-4, the utility model provides a surface treatment device for PCB circuit board includes band conveyer 1 and multiunit fixture 3, multiunit fixture 3 equidistance sets up on band conveyer 1, the interior centre gripping of fixture 3 holds PCB circuit board 4, band conveyer 1's top is provided with deashing subassembly 5, deashing subassembly 6 is installed on the right side of deashing subassembly 5, utilize setting up on band conveyer 1 that fixture 3 is holding PCB circuit board 4 of treating the clearance and moving to the direction of treatment structure deashing subassembly 5 and soot blowing subassembly 6, utilize deashing subassembly 5 to brush the surperficial dust of PCB circuit board 4 carefully, and soot blowing subassembly 6 also can utilize high-pressure draught to carry out the deashing operation to the surface of PCB circuit board 4, soot blowing subassembly 6 carries out the in-process of deashing to PCB circuit board 4, can drive whole PCB circuit board 4 and overturn through fixture 3, then cooperate soot blowing subassembly 5 to brush the ash to a plurality of faces of PCB circuit board 4, also can make the efficiency of a plurality of PCB circuit board 4 surface treatment faster when improving the treatment region;

each group of clamping mechanism 3 comprises two clamping units, each group of clamping units is designed in a mutually symmetrical mode, each group of clamping units comprises a fixed rod 301, a fixed plate 302, a bearing 303, a connecting rod 304, a connecting disc 305, a turntable 306, a torsion spring 307, a connecting plate 308, a clamping plate 309, an L-shaped fixing piece 310 and a clamping groove 311, the fixed rod 301 is installed on a conveying belt in the belt conveyor 1, the fixed plate 302 is fixed at the top of the fixed rod 301, the inner side of the fixed plate 302 is rotatably connected with the connecting rod 304 through the bearing 303, the two connecting discs 305 are fixed at two ends of the connecting rod 304, the far ends of the two connecting discs 305 are rotatably connected with the turntable 306 through a rotating shaft, the torsion spring 307 is further arranged between the turntable 306 and the connecting disc 305, the torsion spring 307 is sleeved on the surface of the rotating shaft, the two turntables 306 are both fixed with the connecting plate 308 through the L-shaped fixing pieces 310, and the connecting plate 308 are fixed with the clamping plate 309, the bottom of the connecting rod 304 is fixed with another clamping plate 309 through two L-shaped fixing pieces 310, the two clamping plates 309 are mutually attached, clamping grooves 311 are respectively formed in one side, close to the two clamping plates 309, of each clamping unit, the PCB 4 is embedded in the two clamping grooves 311 in the two groups of clamping units, a linkage rod is fixed between the clamping plates 309 on the lower side in the two clamping units, when the PCB 4 is clamped, the clamping plates 309 on the upper side in the clamping units are manually shifted, the clamping plates 309 rotate on the outer sides of the two connecting discs 305 through the connected connecting plates 308 and the two rotating discs 306 through rotating shafts, a gap is reserved between the two clamping plates 309, the PCB 4 is placed into the clamping grooves 311 on one side, close to the two clamping plates 309, the clamping plates 309 are released, and at the moment, torsion generated by torsion springs 307 between the connecting discs 305 and the rotating discs 306 can enable the two rotating discs 306 to reversely rotate on the outer sides of the two connecting discs 305 through the rotating shafts, the connecting plate 308 and the connected upper clamping plates 309 are driven to reset, the PCB 4 between the two clamping plates 309 is clamped, after the two groups of clamping units clamp the PCB 4, the two groups of clamping units can be led to rotate through the linkage rod between the two clamping plates 309, namely, the connecting rod 304 is turned over on the fixing plate 302 through the bearing 303 and rotates in cooperation with high pressure generated by the soot blowing assembly 6, so that the soot cleaning assembly 5 cleans multiple surfaces of the PCB 4; the distance between the inner walls of the clamping grooves 311 in the two groups of clamping units is smaller than the thickness of the PCB 4, so that the clamping mechanism 3 can clamp the PCB 4 more firmly, the surface of the PCB 4 can be prevented from being clamped by using the characteristics of the sponge layers, and the protection effect on the PCB 4 is improved;

the ash cleaning component 5 comprises a supporting plate 501, a motor 502, a winding roller 503 and an ash cleaning brush 504, wherein the two supporting plates 501 are fixed at the top of the belt conveyor 1, the motor 502 is installed on the supporting plate 501 which is positioned at the front side, the output end of the motor 502 penetrates through the supporting plate 501 and is fixed with the winding roller 503, the ash cleaning brush 504 is arranged on the surface of the winding roller 503, and the ash cleaning brush 504 is matched with the clamping mechanism 3, wherein the winding roller 503 and the ash cleaning brush 504 which are fixed at the output end are driven to rotate by the motor 502, and the ash cleaning brush 504 carries out ash cleaning operation on the surface of the PCB 4 which is conveyed to the lower side;

the soot blowing assembly 6 comprises inclined struts 601, a connecting shaft 602, soot blowing guns 603, a connector 604 and a screw cap 605, the two inclined struts 601 are respectively fixed on the right sides of the two support plates 501, the connecting shaft 602 is rotatably connected between the two inclined struts 601, the soot blowing guns 603 are mounted on the connecting shaft 602, the soot blowing guns 603 are connected with an external high-pressure air pipe through the connector 604, and the end parts of the soot blowing guns 603 are provided with downward inclined angles, wherein the soot blowing guns 603 connected with the external high-pressure air pipe can generate high-pressure air flow in the direction of the PCB 4, soot blowing operation can be performed on the side edge of the PCB 4 by utilizing the inclined angles of the soot blowing guns 603, the whole PCB 4 can be driven to turn over through the clamping mechanism 3 when blowing to the side edge of the PCB 4, better treatment can be performed on the surface of the PCB 4 by matching with the soot cleaning assembly 5, and locking bolts fixed by the screw cap 605 can be screwed on the inclined struts 601 and are in contact with the connecting shaft 602 rotatably connected, so that the connecting shaft 602 can not drive the soot blowing guns to rotate, and the soot blowing guns 603 to perform limiting operation through locking bolts after the adjustment of the blowing angle is completed, and the operation is more convenient and convenient;

belt conveyor 1 has seted up fretwork groove 2, and fretwork groove 2 runs through whole belt conveyor 1, install dust absorption box 201 on the inner wall of fretwork groove 2, the dust absorption hole 202 that a plurality of equidistance distribute is seted up at the top of dust absorption box 201, the thru hole has all been seted up on the conveyer belt in belt conveyor 1, dust absorption box 201 passes through the interface and is connected with outside negative pressure equipment, wherein belt conveyor 1 makes local improvement for current structure, set up fretwork groove 2 with inside, and install dust absorption box 201 in fretwork groove 2, the adsorption affinity that outside negative pressure equipment produced sees through the thru hole on the conveyer belt of belt conveyor 1 through a plurality of dust absorption holes 202 on dust absorption box 201 and carries out the dust absorption, avoid floating dust on PCB circuit board 4 is wafing to PCB circuit board 4 after accomplishing the surface treatment to PCB circuit board 4, also can improve the environment in workshop.

The utility model discloses a concrete theory of operation and application method do: in practical use, the utility model firstly clamps the PCB 4, manually shifts the clamping plate 309 on the upper side in the clamping unit, so that the clamping plate 309 rotates outside the two connecting discs 305 through the connecting plate 308 and the two turntables 306 which are connected, a gap is left between the two clamping plates 309, the PCB 4 is placed in the clamping groove 311 on one side of the two clamping plates 309 which is close to each other, and the clamping plate 309 is released, at the moment, the torsion generated by the torsion spring 307 between the connecting discs 305 and the turntables 306 can make the two turntables 306 reversely rotate outside the two connecting discs 305 through the rotating shaft, so as to drive the connecting plate 308 and the connected upper clamping plate 309 to reset, and clamp the PCB 4 between the two clamping plates 309, after clamping the PCB 4 by the two clamping units, the two clamping units can access to rotate through the linkage rod between the two clamping plates 309, namely, the connecting rod 304 is turned over on the fixing plate 302 through the bearing 303, the rotating is carried out by matching with the high pressure generated by the soot-blowing component 6, the soot-cleaning component 5 is used for cleaning soot on a plurality of surfaces of the PCB 4, the motor 502 is used for driving the winding roller 503 and the soot-cleaning brush 504 which are fixed at the output end to rotate, the soot-cleaning brush 504 is used for cleaning soot on the surface of the PCB 4 conveyed to the lower side, the soot-blowing gun 603 which is connected with the external high-pressure air pipe in the soot-blowing component 6 can generate high-pressure air flow in the direction of the PCB 4, the soot-blowing gun 603 is used for performing soot-cleaning on the side edge of the PCB 4, the whole PCB 4 can be driven to turn over through the clamping mechanism 3 when blowing to the side edge of the PCB 4, the better treatment can be carried out on the surface of the PCB 4 by matching with the soot-cleaning component 5, the locking bolt which is fixed by the screw cover 605 can be screwed on the inclined support 601 and is contacted with the connecting shaft 602 which is rotatably connected, make even axle 602 can not drive soot blower 603 and rotate, equally also can accomplish to carry on spacingly through the locking bolt after soot blower 603 air current blowout angle modulation, the operation is also comparatively convenient, installs dust absorption box 201 in fretwork groove 2, and the adsorption affinity that outside negative pressure equipment produced sees through the thru hole on the band conveyer 1 conveyer belt through a plurality of dust absorption holes 202 on the dust absorption box 201 and carries out the dust absorption.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; all the persons skilled in the art can smoothly implement the present invention as shown in the attached drawings and described above; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a surface treatment device for PCB circuit board, includes band conveyer (1) and multiunit fixture (3), the multiunit fixture (3) equidistance sets up on band conveyer (1), fixture (3) internal clamp holds PCB circuit board (4), a serial communication port, the top of band conveyer (1) is provided with deashing subassembly (5), soot blowing subassembly (6) is installed on the right side of soot blowing subassembly (5), every group fixture (3) include two clamping unit, two clamping unit is the design of symmetry formula each other, every group clamping unit includes dead lever (301), the top of dead lever (301) is fixed with fixed plate (302), the inboard of fixed plate (302) rotates through bearing (303) and is connected with connecting rod (304), the both ends of connecting rod (304) all are fixed with link dish (305), two the end of keeping away from mutually of link dish (305) all is connected with carousel (306) through the pivot rotation, still be provided with torsion spring (307) between carousel (306) and link dish (305), and torsion spring (307) cover are located the mounting surface of pivot, two fixed plate (306) are all fixed through L shape connecting plate (308), two fixed connecting plate (310) bottom (308) are fixed connecting plate (310) are fixed with L shape (310) and (310) are connected with connecting plate (309), another fixing plate (310) bottom (309) the connecting plate (310) 309 And two splint (309) are laminated each other, two the splint (309) are close to one side mutually and have all seted up draw-in groove (311), and PCB circuit board (4) inlay and establish in two draw-in grooves (311) in two sets of centre gripping units.

2. The surface treatment device for the PCB as recited in claim 1, wherein the ash removal assembly (5) comprises two support plates (501), the two support plates (501) are fixed on the top of the belt conveyor (1), a motor (502) is installed on the support plate (501) at the front side, the output end of the motor (502) penetrates through the support plates (501) and is fixed with a winding roller (503), an ash removal brush (504) is arranged on the surface of the winding roller (503), and the ash removal brush (504) is matched with the clamping mechanism (3).

3. The surface treatment device for the PCB as recited in claim 2, wherein the soot blowing assembly (6) comprises two inclined struts (601), the two inclined struts (601) are respectively fixed at the right sides of the two support plates (501), a connecting shaft (602) is rotatably connected between the two inclined struts (601), a soot blowing gun (603) is installed on the connecting shaft (602), the soot blowing gun (603) is connected with an external high-pressure air pipe through a connector (604), and the end part of the soot blowing gun (603) is provided with a downward inclined angle.

4. The surface treatment device for the PCB as recited in claim 3, wherein a locking bolt is connected to the inclined strut (601) at the front side in a threaded manner and is matched with the connecting shaft (602), a screw cap (605) is fixed at the front end of the locking bolt, and anti-skid threads are arranged on the surface of the screw cap (605).

5. The surface treatment device for the PCB circuit board as recited in claim 4, wherein a hollowed-out groove (2) is formed in the belt conveyor (1), the hollowed-out groove (2) penetrates through the whole belt conveyor (1), a dust collection box (201) is installed on the inner wall of the hollowed-out groove (2), a plurality of dust collection holes (202) are formed in the top of the dust collection box (201) and are distributed at equal intervals, through holes are formed in a conveyor belt in the belt conveyor (1), and the dust collection box (201) is connected with external negative pressure equipment through an interface.

6. The surface treatment device for the PCB circuit board as recited in claim 5, wherein the inner walls of the card slots (311) in the two groups of the clamping units are provided with anti-slip sponge layers, and the distance between the inner walls of the two card slots (311) is smaller than the thickness of the PCB circuit board (4).