CN114931774A

CN114931774A - Old and useless PCB board detinning apparatus of environment-friendly

Info

Publication number: CN114931774A
Application number: CN202210580452.6A
Authority: CN
Inventors: 郭光辉; 胡国洪
Original assignee: Qingyuan Jinyun Renewable Resources Co ltd
Current assignee: Qingyuan Jinyun Renewable Resources Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-08-23

Abstract

The invention relates to the technical field of tin-stripping waste liquid treatment equipment, in particular to an environment-friendly waste PCB tin removing device, which comprises a box body and a chain conveyor, wherein the chain conveyor comprises a conveying belt and a plurality of conveying rollers, one end of each conveying roller rotatably penetrates through the inner wall of the box body, a plurality of supporting legs are fixedly arranged at the lower end of the box body, an access hole is formed in the side wall of the box body, and a sealing door is arranged on the access hole. Thereby being convenient for the staff to carry out centralized processing to the impurity.

Description

Old and useless PCB board detinning apparatus of environment-friendly

Technical Field

The invention relates to the technical field of tin-stripping waste liquid treatment equipment, in particular to an environment-friendly waste PCB tin removing device.

Background

Along with the wide application of electronic products, electronic wastes are generated more and more, such as waste PCBs (printed circuit boards), the waste PCBs are subjected to tin removal by a nitric acid agent in the treatment process, a large amount of tin-stripping waste liquid is generated in the tin removal process, in order to avoid the pollution of the tin-stripping waste liquid to the environment, workers need to purify the tin-stripping waste liquid, and a filtering device is needed in the purification process of the tin-stripping waste liquid;

the inside filtration of filter equipment is easy to be blockked up, after it is blockked up, the staff need pause the filtration flow and come to dredge the clearance to filtration, the part is provided with the filter equipment of clearance structure, it needs to set up power equipment such as motor in addition and drives the clearance structure and operate, the impact force that can not utilize the waste liquid is as the power of clearance structure, the resource has been wasted, and the clearance structure only can prevent that filtration is not blockked up, can not supply staff's centralized processing in the impurity propelling movement on the filtration to the container.

Therefore, an environment-friendly waste PCB tin removing device is provided.

Disclosure of Invention

The invention aims to provide an environment-friendly waste PCB tin removing device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an environment-friendly waste PCB tin removing device comprises a box body and a chain conveyor, wherein the chain conveyor comprises a conveying belt and a plurality of conveying rollers, one end of each conveying roller is rotatably penetrated through the inner wall of the box body, a plurality of supporting legs are fixedly arranged at the lower end of the box body, an access hole is formed in the side wall of the box body, a sealing door is arranged on the access hole, a liquid inlet pipe and a liquid outlet pipe are respectively and fixedly penetrated through the top and the bottom of the box body, a frame body with an opening at the top is fixedly arranged on the side wall of the box body, the inner cavity of the frame body is communicated with the inner cavity of the box body, a supporting plate extending into the frame body is fixedly arranged in the box body, a rectangular hole is formed in the supporting plate, a filter plate is fixedly arranged in the rectangular hole, a first filter frame is fixedly arranged at one end of the supporting plate extending into the frame body, and a second filter frame is detachably arranged in the first filter frame, the filter plate cleaning device is characterized in that a rotating shaft penetrates through the box body in a rotating mode, an impeller is coaxially and fixedly installed on the part, located in the box body, of the rotating shaft, a plurality of installation blocks are fixedly installed on the conveying belt, cleaning pieces are installed on the installation blocks and used for cleaning impurities on the filter plate to the second filter frame, and the rotating shaft is in transmission connection with one of the conveying rollers through a transmission piece.

Preferably, the cleaning part comprises a trapezoidal inserting plate detachably mounted on the mounting block, and a brush plate is fixedly mounted on the trapezoidal inserting plate.

Preferably, set up the trapezoidal slot with trapezoidal picture peg looks adaptation on the installation piece, trapezoidal picture peg is inserted and is established and install in trapezoidal slot, set up the shifting chute that is linked together rather than on the trapezoidal slot, slidable mounting has the piece of supporting tight in the shifting chute, fixedly connected with spring between piece of supporting tight and the shifting chute, the one end that the spring was kept away from to the piece of supporting tight extends to in the trapezoidal slot, the piece of supporting tight supports tightly each other with the one end that trapezoidal picture peg is relative.

Preferably, the second filter frame is inserted into the inner cavity of the first filter frame.

Preferably, two U-shaped handles are symmetrically and fixedly installed at the upper end of the second filter frame.

Preferably, the opening end above the frame body is covered with a cover plate, and the lower end of the cover plate is fixedly provided with a rubber sealing block tightly inserted in the frame body.

Preferably, an arc-shaped baffle plate covering the impeller is fixedly installed in the box body, and an elastic rubber layer is fixedly connected to the inner wall of the arc-shaped baffle plate.

Preferably, the supporting plate is located at a position higher than an end position of the supporting plate extending into the frame body.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention can effectively utilize the waste liquid as the driving force to drive the impeller to rotate, and then drives the brush plate to dredge and clean the filter plate on the device through the transmission part and the chain conveyor, thereby effectively avoiding the filter plate from being blocked, wherein the brush plate on the device is arranged in a way of being convenient for workers to disassemble the device, thereby being convenient for the workers to replace the device.

2. The chain conveyor drives the brush plate to clean impurities on the filter plate into the second filter frame, so that workers can conveniently perform centralized treatment on the impurities.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic overall perspective view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a sectional view taken along line A-A of FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 4 at C in accordance with the present invention;

FIG. 6 is a sectional view taken along line B-B of FIG. 3 according to the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 6 at D in accordance with the present invention;

fig. 8 is a partial perspective view of the present invention.

In the figure: 1. a box body; 2. a chain conveyor; 201. a conveyor belt; 202. a conveying roller; 3. supporting legs; 4. an access hole; 5. a sealing door; 6. a liquid inlet pipe; 7. a liquid outlet pipe; 8. a frame body; 9. a support plate; 10. a rectangular hole; 11. a filter plate; 12. a first filter frame; 13. a second filter frame; 14. a rotating shaft; 15. an impeller; 16. mounting blocks; 17. cleaning the workpiece; 171. a trapezoidal plugboard; 172. brushing the board; 18. a transmission member; 19. a trapezoidal slot; 20. a moving groove; 21. a propping block; 22. a spring; 23. a U-shaped handle; 24. a cover plate; 25. a rubber sealing block; 26. an arc-shaped baffle plate; 27. an elastic rubber layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, the present invention provides a technical solution:

an environment-friendly waste PCB tin removing device is shown in figures 1 to 8 and comprises a box body 1 and a chain conveyor 2, wherein the chain conveyor 2 comprises a conveying belt 201 and a plurality of conveying rollers 202, one end of each conveying roller 202 rotatably penetrates through the inner wall of the box body 1, a plurality of supporting legs 3 are fixedly installed at the lower end of the box body 1, an access hole 4 is formed in the side wall of the box body 1, a sealing door 5 is installed on the access hole 4, a liquid inlet pipe 6 and a liquid outlet pipe 7 are respectively and fixedly penetrated at the top and the bottom of the box body 1, a frame body 8 with an opening at the top is fixedly installed on the side wall of the box body 1, the inner cavity of the frame body 8 is communicated with the inner cavity of the box body 1, a supporting plate 9 extending into the frame body 8 is fixedly installed in the box body 1, a rectangular hole 10 is formed in the supporting plate 9, a filtering plate 11 is fixedly installed in the rectangular hole 10, and a first filtering frame 12 is fixedly installed at one end of the supporting plate 9 extending into the frame body 8, the detachable installation has the second to filter frame 13 in the first filter frame 12, the rotatory pivot 14 that has run through in the box 1, the coaxial fixed mounting of the part that pivot 14 is located the box 1 has impeller 15, fixed mounting has a plurality of installation pieces 16 on the conveyer belt 201, install cleaning member 17 on the installation piece 16, it is used for cleaning the impurity on the filter 11 to the second filter frame 13 in, be connected through the transmission piece 18 transmission between pivot 14 and one of them conveying roller 202, it should be said that, the transmission piece 18 includes two belt pulleys and a belt, the belt winding is on two belt pulleys, the outer one end of pivot 14 and one of them conveying roller 202 extension to box 1 respectively with two belt pulley fixed connection.

The traditional waste PCB tin removing device cannot utilize tin-stripping waste liquid as driving force to clean impurities on a filtering structure when the tin-stripping waste liquid is filtered, and cannot push the impurities on the filtering structure into a container for centralized treatment by workers.

As shown in fig. 5 and 7, the cleaning member 17 includes a trapezoidal insertion plate 171 detachably mounted on the mounting block 16, and a brush plate 172 is fixedly mounted on the trapezoidal insertion plate 171.

When the tin stripping machine works, a worker can connect a pump body in the prior art with the liquid inlet pipe 6, the liquid outlet pipe 7 is communicated with an existing container, tin stripping waste liquid is continuously pumped into the box body 1 through the pump body, when the tin stripping waste liquid impacts the impeller 15 along the liquid inlet pipe 6, the impeller 15 is driven to rotate, the impeller 15 rotates to drive the rotating shaft 14 to rotate, under the transmission action of the belt pulley and the belt, the rotating shaft 14 drives the conveying rollers 202 to rotate, so that the conveying belt 201 circularly reciprocates along the plurality of conveying rollers 202, the conveying belt 201 circularly reciprocates to drive the mounting blocks 16, the trapezoid inserting plates 171 and the brush plates 172 to circularly reciprocate, the elastic brush hair ends on the brush plates 172 push impurities on the filter plates 11 into the second filter frame 13 in the circulating reciprocating process, the filter plates 11 are effectively prevented from being blocked, when waste water enters the second filter frame 13, it can get into in the box 1 under the filtration of second filter frame 13 and first filter frame 12, finally discharges through drain pipe 7, when the impurity in second filter frame 13 was too much, the staff can dismantle it from first filter frame 12, after impurity in second filter frame 13 pours out, the staff can continue to install it in first filter frame 12, the demountable installation mode of trapezoidal picture peg 171 is convenient for the staff to change brush board 172 above that in addition.

As shown in fig. 5 and 7, a trapezoidal slot 19 adapted to the trapezoidal insertion plate 171 is formed in the mounting block 16, the trapezoidal insertion plate 171 is inserted into the trapezoidal slot 19, a moving slot 20 communicated with the trapezoidal slot 19 is formed in the trapezoidal slot 19, a resisting block 21 is slidably mounted in the moving slot 20, a spring 22 is fixedly connected between the resisting block 21 and the moving slot 20, one end of the resisting block 21, which is far away from the spring 22, extends into the trapezoidal slot 19, and one end of the resisting block 21, which is opposite to the trapezoidal insertion plate 171, is mutually resisted.

When the staff need change brush board 172, sealing door 5 can be opened to it, then in access hole 4 department, remove to support tight piece 21 and make to support tight piece 21 shrink to the shifting chute 20 in, and then make to support tight piece 21 no longer to support trapezoidal picture peg 171, the staff can shift out trapezoidal picture peg 171 from trapezoidal slot 19 after that, thereby make brush board 172 dismantle from installation piece 16, then the staff can insert trapezoidal picture peg 171 on new brush board 172 and establish in trapezoidal slot 19, insert and establish the back that finishes, the staff can loosen and support tight piece 21, support tight piece 21 and extend to in trapezoidal slot 19 and support trapezoidal picture peg 171 to fix in trapezoidal slot 19 under the elasticity restoring effect of spring 22.

As shown in fig. 4 and 8, the second filter frame 13 is inserted into the inner cavity of the first filter frame 12, and when it needs to be described, the top of the first filter frame 12 and the top of the second filter frame 13 are both open, and the bottom of the first filter frame 12 and the bottom of the second filter frame 13 are both uniformly provided with a plurality of communicated filter holes, in addition, the end of the second filter frame 13 opposite to the first filter frame 12 is tightly attached, the end of the first filter frame 12 opposite to the frame 8 is also tightly attached, but a gap is left between the lower end of the first filter frame 12 and the bottom of the frame 8, which is convenient for water flow entering the first filter frame 12 and the second filter frame 13 to rapidly fall into the box 1 after being filtered.

When the impurities in the second filter frame 13 are too much, the worker can move the second filter frame 13 out of the first filter frame 12 from the open end of the frame body 8, and after the impurities in the second filter frame 13 are poured out, the worker can continuously insert the second filter frame 13 into the inner cavity of the first filter frame 12.

As shown in fig. 8, two U-shaped handles 23 are symmetrically and fixedly mounted on the upper end of the second filter frame 13.

In operation, the two U-shaped handles 23 are arranged to facilitate the lifting of the second filter frame 13 by a worker.

As shown in fig. 4, a cover plate 24 covers the opening end above the frame body 8, and a rubber sealing block 25 tightly inserted into the frame body 8 is fixedly mounted at the lower end of the cover plate 24.

Wherein the open end of frame 8 top can be sealed effectively in the setting of apron 24 and the sealed piece 25 of rubber, and then avoid having the waste liquid to splash away from the open end department of frame 8 top, when needs take out the second filter frame 13, the staff can shift out the sealed piece 25 of rubber from the frame 8 earlier, and it can to follow the second filter frame 13 and shift out in the first filter frame 12.

As shown in fig. 4, an arc-shaped baffle 26 covering the impeller 15 is fixedly installed in the box body 1, an elastic rubber layer 27 is fixedly connected to the inner wall of the arc-shaped baffle 26, and it should be noted that the arc-shaped baffle 26 is arranged between the impeller 15 and the chain conveyor 2.

During operation, when the waste liquid continuously got into in the box 1 from feed liquor pipe 6, the blade on impeller 15 can be strikeed earlier to the waste liquid, and then make impeller 15 rotatory, impeller 15 can tentatively weaken the potential energy of waste liquid, and partial waste liquid can splash to cowl 26 on, the potential energy of waste liquid can further be weakened to elastic rubber layer 27 on the cowl 26, and then reduced the impact force of waste liquid to filter 11 to the probability that filter 11 was damaged by the waste liquid impact has been reduced.

As shown in fig. 4, the supporting plate 9 is located at a higher position at one end in the case 1 than at one end extending into the frame 8.

The support plate 9 is obliquely arranged, so that waste liquid flows to the frame body 8, and the filter plate 11 is obliquely arranged, so that the brush plate 172 can clean impurities on the waste liquid into the second filter frame 13 conveniently.

The using method comprises the following steps: according to the invention, the impeller 15 is driven to rotate by the impact force of waste liquid on the impeller 15, then the transmission part 18 is used for driving the impeller 15 to drive the chain conveyor 2 to run, finally the chain conveyor 2 drives the cleaning part 17 to dredge and clean the filter plate 11, and the cleaned impurities enter the second filter frame 13, and the specific operation steps are as follows: the worker connects the pump body in the prior art with the liquid inlet pipe 6, and makes the liquid outlet pipe 7 communicate with the existing container, then starts the pump body, the pump body continuously pumps the tin stripping waste liquid into the box body 1, the waste liquid entering the box body 1 impacts the impeller 15, and further makes the impeller 15 rotate, the impeller 15 drives the rotating shaft 14 to rotate, under the transmission action of the transmission element 18, the chain conveyor 2 is operated, the conveyor belt 201 on the chain conveyor 2 drives the brush plate 172 to move along the filter plate 11, the brush plate 172 cleans and pushes impurities on the filter plate 11 into the second filter frame 13, when the impurities in the second filter frame 13 are excessive, the worker can move the cover plate 24 and the rubber sealing block 25 out of the frame body 8, then move the second filter frame 13 out from the opening end above the frame body 8, when the impurities in the second filter frame 13 are poured, the worker can continuously insert and install the second filter frame 13 into the first filter frame 12, then, the cover plate 24 and the rubber sealing block 25 are used for continuously sealing the opening end above the frame body 8, when the brush plate 172 needs to be replaced, a worker can close the pump body, then open the sealing door 5, then move the abutting block 21 to enable the abutting block 21 to shrink into the moving groove 20, when the abutting block 21 does not abut against the trapezoidal inserting plate 171 any more, the worker can move the trapezoidal inserting plate 171 out of the trapezoidal inserting groove 19, then the worker can insert the trapezoidal inserting plate 171 on a new brush plate 172 into the trapezoidal inserting groove 19, finally the abutting block 21 is loosened, the abutting block 21 extends into the trapezoidal inserting groove 19 under the elastic resetting action of the spring 22 and abuts against and fixes the corresponding trapezoidal inserting plate 171, the invention fully utilizes the impact force of waste liquid to drive the brush plate 172 to dredge and clean the filter plate 11, further, the filter plate 11 is prevented from being completely blocked, and the cleaned impurities enter the second filter frame 13 along the obliquely arranged support plate 9, and then be convenient for the staff to carry out centralized processing to filterable impurity.

The electric elements in the paper are all electrically connected with an external master controller and 220V mains supply through a transformer, the master controller can be a conventional known device controlled by a computer and the like, the product type provided by the invention is only used according to the structural characteristics of the product in the technical scheme, the product can be adjusted and modified after being purchased to be more matched with and accord with the technical scheme of the invention, the product type is a technical scheme of the optimal application of the technical scheme, the product type can be replaced and modified according to the required technical parameters, and the product type is known by the technical personnel in the field, so the technical scheme provided by the invention can clearly obtain the corresponding use effect by the technical scheme provided by the invention in the field.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an old and useless PCB board detinning device of environment-friendly, includes box (1) and chain conveyor (2), chain conveyor (2) are including conveyer belt (201) and a plurality of conveying roller (202), the inner wall that runs through box (1) is rotated to the one end of conveying roller (202), the lower extreme fixed mounting of box (1) has a plurality of supporting legs (3), access hole (4) have been seted up on the lateral wall of box (1), install sealing door (5) on access hole (4), its characterized in that: the top and the bottom of the box body (1) are respectively and fixedly provided with a liquid inlet pipe (6) and a liquid outlet pipe (7), the side wall of the box body (1) is fixedly provided with a frame body (8) with an opening at the top, the inner cavity of the frame body (8) is communicated with the inner cavity of the box body (1), the box body (1) is internally and fixedly provided with a supporting plate (9) extending into the frame body (8), the supporting plate (9) is provided with a rectangular hole (10), the rectangular hole (10) is internally and fixedly provided with a filtering plate (11), one end of the supporting plate (9) extending into the frame body (8) is fixedly provided with a first filtering frame (12), the first filtering frame (12) is internally and detachably provided with a second filtering frame (13), a rotating shaft (14) is penetrated in the box body (1), and the part of the rotating shaft (14) positioned in the box body (1) is coaxially and fixedly provided with an impeller (15), the conveying belt (201) is fixedly provided with a plurality of mounting blocks (16), the mounting blocks (16) are provided with cleaning pieces (17) which are used for cleaning impurities on the filter plates (11) into the second filter frame (13), and the rotating shaft (14) is in transmission connection with one conveying roller (202) through a transmission piece (18).

2. The environment-friendly waste PCB tin removing device as claimed in claim 1, wherein: the cleaning piece (17) comprises a trapezoidal inserting plate (171) which is detachably mounted on the mounting block (16), and a brush plate (172) is fixedly mounted on the trapezoidal inserting plate (171).

3. The environment-friendly waste PCB tin removing device as claimed in claim 2, wherein: offer trapezoidal slot (19) with trapezoidal picture peg (171) looks adaptation on installation piece (16), trapezoidal picture peg (171) are inserted and are established and install in trapezoidal slot (19), set up shifting chute (20) rather than being linked together on trapezoidal slot (19), slidable mounting has the piece of supporting (21) in shifting chute (20), fixedly connected with spring (22) between piece of supporting (21) and shifting chute (20), the one end that spring (22) were kept away from to the piece of supporting (21) extends to in trapezoidal slot (19), the one end that supports that the piece of supporting (21) and trapezoidal picture peg (171) are relative supports tightly each other.

4. The environment-friendly waste PCB tin removing device as claimed in claim 1, wherein: the second filter frame (13) is inserted into the inner cavity of the first filter frame (12).

5. The environment-friendly waste PCB tin removing device as claimed in claim 1, wherein: two U-shaped handles (23) are symmetrically and fixedly arranged at the upper end of the second filter frame (13).

6. The environment-friendly waste PCB tin removing device as claimed in claim 1, wherein: the opening end above the frame body (8) is covered with a cover plate (24), and the lower end of the cover plate (24) is fixedly provided with a rubber sealing block (25) which is tightly inserted into the frame body (8).

7. The environment-friendly waste PCB tin removing device as claimed in claim 1, wherein: an arc-shaped baffle (26) which covers the impeller (15) is fixedly arranged in the box body (1), and an elastic rubber layer (27) is fixedly connected to the inner wall of the arc-shaped baffle (26).

8. The environment-friendly waste PCB tin removing device as claimed in claim 1, wherein: the supporting plate (9) is positioned at one end position in the box body (1) and is higher than one end position of the supporting plate extending into the frame body (8).