CN211189433U - Dust collector in clean PCB board copper powder cyclic regeneration workshop - Google Patents

Abstract

The utility model discloses a dust collector for cleaning a PCB (printed circuit board) copper powder recycling workshop, which is applied to the field of PCB recycling, and solves the technical problems that the internal structure of a dust removal box can be bonded with a large amount of dust, and the equipment in the dust remover can be damaged by long-time use; the upper end of the dust removal box is provided with a cover plate, a cleaning opening is formed in the cover plate, a cleaning cover is covered on the cleaning opening, one side of the cleaning cover is hinged with the cover plate, and the other side of the cleaning cover is connected with the cover plate through a tower buckle; the lower end of the dust removing box is communicated with a dust collecting hopper, the lower end of the dust collecting hopper is provided with a dust discharging port, and a dust discharging valve is arranged on the dust discharging port; one side of the cleaning opening is provided with a vertical ladder; the technical effect who has is extension internal plant life, and then improves the life of dust removal case.

Description

Dust collector in clean PCB board copper powder cyclic regeneration workshop

Technical Field

The utility model relates to a PCB retrieves the field, in particular to dust collector in clean PCB board copper powder cyclic regeneration workshop.

Background

The waste circuit board (PCB) mainly comprises organic reinforced resin, glass fiber, copper foil and the like, contains a large amount of valuable metals and precious metals, and has high resource recycling value.

At present, a Chinese utility model patent with the publication number of CN209491602U discloses a PCB board cutting edge grinding machine, which comprises a frame, wherein a horizontal conveying roller set, a board feeding pinch roller set, a board grinding roller device and a board discharging pinch roller set are sequentially arranged on the frame, the PCB board cutting edge grinding machine also comprises a sealing cover arranged on the frame, the board feeding pinch roller set, the board grinding roller device and the board discharging pinch roller set are arranged in the sealing cover, and the front side and the rear side of the sealing cover are respectively provided with a board feeding port and a board discharging port; the PCB board batch edge grinding machine further comprises a fan and a dust remover, wherein an air inlet of the fan is connected with the bottom of the sealing cover through an air pipe, and an air outlet of the fan is connected with an air inlet of the dust remover through an air pipe.

This kind of scrubbing machine is at the dust removal in-process, and the dust is adsorbed in the dust remover, and the long-time dust that drives of negative pressure air current of filtering of dust remover, its inner structure can bond a large amount of dusts, and long-time use can damage the inside equipment of dust remover, shortens the life of dust remover.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dust collector in clean PCB board copper powder cyclic regeneration workshop, its advantage is through the setting of clean mouth, clean cover, extension internal plant life, and then improves the life of dust removal case.

The above technical purpose of the present invention can be achieved by the following technical solutions: a dust removal device for cleaning a PCB (printed circuit board) copper powder recycling workshop comprises a rack, an air blower and a dust removal box, wherein the dust removal box is erected on the rack, an air outlet of the air blower is connected with an air inlet of the dust removal box through an air pipe, a pattern plate is arranged inside the dust removal box, a plurality of through holes are formed in the pattern plate, and a filter bag for filtering dust penetrates through the through holes;

the upper end of the dust removal box is provided with a cover plate, a cleaning opening is formed in the cover plate, a cleaning cover is arranged on the upper cover of the cleaning opening, one side of the cleaning cover is hinged with the outer side wall of the cover plate, and the other side of the cleaning cover is connected with the outer side wall of the cover plate through a tower buckle;

the lower end of the dust removal box is communicated with a dust hopper, the lower end of the dust hopper is provided with a dust discharge port, and a dust discharge valve is arranged on the dust discharge port;

one side of the cleaning opening is provided with a vertical ladder for workers to crawl.

Through the technical scheme, the frame is used for supporting the shell, so that the dust removal effect of the dust removal box is ensured to be in a stable state; the air blower is used for sucking powder generated by the board grinding machine in grinding a PCB into the dust removal box, so that dust generated by the whole board grinding machine can be removed, the operation environment of the board grinding machine is protected, and the personal safety of workers operating the board grinding machine is protected; the dust removal case is arranged in utilizing the effect of negative pressure air current with the dust that produces on the whole production facility to drive the dust to the dust removal case in from the air inlet, through the filterable effect of inside filter bag, separates the dust from the negative pressure air current, and the gas that is purified is discharged from the gas outlet, and the dust falls into in the dust hopper to collect the dust.

Workers climb to the cleaning opening from the vertical ladder to observe whether the inner filter bag deposits too much dust or whether the damaged filter bag is damaged; when changing the filter bag, need open clean cover, then change the filter bag of inside or to the dust of deposit on the card sweep the dust hopper in to avoid too much dust deposit to damage interior equipment on interior equipment for a long time, thereby extension interior equipment life, and then improve the life of dust removal case. Frequent cleaning improves the dust removal efficiency.

The utility model discloses further set up to: the dust removal case is provided with an ash removal assembly used for cleaning the filter bag, the ash removal assembly comprises a compressed air pump and a pipeline used for conveying compressed air, the pipeline is provided with a blowing opening, the blowing opening faces towards the inside of the filter bag, and the pipeline is provided with a pulse valve.

Through above-mentioned technical scheme, when clean dust removal case, close the power in the dust removal case, start compressed air pump, compressed air pump's air inlet gets into the air to compress the air in compressed air pump, then spread into the pipeline with the air, through spouting the blowing mouthful with inside the compressed air sprays into the filter bag, the filter bag is sharp inflation in the twinkling of an eye, thereby will amass the dust on the filter bag and blow off to the dust hopper in. The further dust to on the filter bag of this process is cleaned, has further improved the inside cleanliness of dust removal case, can prolong the life of dust removal incasement structure, improves the stability that whole dust removal case removed dust.

The utility model discloses further set up to: the periphery of apron is equipped with the guardrail, the guardrail with erect the ladder intercommunication.

Through above-mentioned technical scheme, the guardrail is used for protecting the personal safety of workman when cleaning operation.

The utility model discloses further set up to: and a vibration motor is arranged on the outer side wall of the dust collecting hopper.

Through the technical scheme, on one hand, the vibration motor quickly unloads dust from the dust hopper; on the other hand, the dust collector is used for vibrating the dust adhered to the inner wall of the dust collecting hopper, so that the dust can be quickly unloaded from the dust collecting hopper, and the phenomenon of blocking a dust unloading port is avoided.

The utility model discloses further set up to: the upper end cover of filter bag is established and is placed the ring, the card is located the standing groove has been seted up at the through-hole edge, the cell wall of standing groove has the joint piece towards the central line extension of through-hole, place ring and joint piece joint cooperation.

Through the technical scheme, when installation filter bag and card, place the ring and connect with the edge ground of standing groove earlier, continue to press down and place the ring, owing to apply decurrent power to placing the ring, make the joint piece crooked towards the tank bottom direction of standing groove, after placing the complete block of ring in the standing groove, the joint piece kick-backs, the joint piece card is gone into in the standing groove, thereby will place the stable installation of ring to the standing groove, above-mentioned process is placed the ring through pressing and is installed the filter bag in the standing groove steadily, this process is simple and convenient, improve workman's work efficiency.

The utility model discloses further set up to: one side of the placing groove is provided with a crescent groove.

Through above-mentioned technical scheme, when the workman changed the filter bag, only need pass from the crescent moon groove and mention and place the ring to take off the filter bag and change the new filter bag, whole change process easy operation improves the work efficiency that the workman changed the filter bag.

The utility model discloses further set up to: the lower end of the filter bag is sleeved with a weight pressing ring, and the weight pressing ring is made of an iron block.

Through the technical scheme, the largest supporting surface of the filter bag is ensured by the arrangement of the pressure and the light, so that the largest area is in contact with dust driven by negative pressure airflow, the dust filtering efficiency is improved, and the dust filtering stability is ensured.

The utility model discloses further set up to: the cleaning cover is provided with an observation port, and the observation port is made of transparent toughened glass.

By adopting the technical scheme, the transparent toughened glass has better strength and very high thermal stability; the adoption has the operation of the inside machine of transparent toughened glass be convenient for observe dust removal incasement portion, simultaneously when later stage is clean and maintain, need not open the clean cover, just can observe the condition of dust removal incasement portion filter bag, learns whether clean the change, improves the effect of whole dust removal.

To sum up, the utility model discloses following beneficial effect has:

1. the service life of internal equipment is prolonged through the arrangement of the cleaning opening and the cleaning cover, so that the service life of the dust removal box is prolonged;

2. through the setting of placing ring, standing groove, joint piece and crescent moon groove, improved the change efficiency of filter bag, the life of extension dust removal case.

Drawings

Fig. 1 is an overall configuration diagram of the present embodiment;

FIG. 2 is a schematic view showing the structure of the connection between the cleaning opening and the cleaning cover of the present embodiment;

FIG. 3 is a schematic structural view of the access opening and the access cover of the present embodiment;

FIG. 4 is a schematic structural view of the connection between the ash removal assembly and the filter bag of the present embodiment;

FIG. 5 is a schematic structural view of the connection between the filter bag and the card of the present embodiment.

Reference numerals: 1. a frame; 2. a blower; 3. a dust removal box; 4. an air tube; 5. an exhaust duct; 6. an explosion vent; 7. a dust collecting hopper; 8. a dust discharge port; 9. a dust discharge valve; 10. a dust cover; 11. a dust collection box; 12. a wheel; 13. a vibration motor; 14. an access hole; 15. an overhaul cover; 16. a tower buckle; 17. a pattern plate; 18. a through hole; 19. a filter bag; 20. placing a ring; 21. a placement groove; 22. a clamping block; 23. a crescent groove; 24. a weight ring is pressed; 25. a soot cleaning assembly; 26. a compressed air pump; 27. a pipeline; 28. a blowing port; 29. a pulse valve; 30. a cover plate; 31. cleaning the mouth; 32. a cleaning hood; 33. a viewing port; 34. erecting a ladder; 35. and (4) a guardrail.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1, the dust removing device for cleaning a PCB copper powder recycling workshop comprises a frame 1, a blower 2 and a dust removing box 3, wherein the dust removing box 3 is erected on the frame 1; the two air blowers 2 are respectively positioned at two sides of the dust removing box 3, the air outlet of one air blower 2 is communicated with the air inlet of the dust removing box 3 through an air pipe 4, and the air inlet of the other air blower 2 is communicated with the air outlet of the dust removing box 3 through the air pipe 4; the air outlet of the air blower 2 communicated with the air outlet of the dust removing box 3 extends upwards to be provided with an exhaust pipe 5, so that the purified air is exhausted from the pipe orifice of the exhaust pipe 5. The power supply is started, the dust removal box 3 generates negative pressure airflow, the negative pressure airflow drives dust to enter from the air inlet, and the negative pressure airflow after purification passes through the exhaust pipe 5 from the air outlet until being exhausted into the air after purification of the dust removal box 3.

Referring to fig. 1, an explosion-proof door 6 is arranged on the side wall of the dust removing box 3 close to the cover plate 30; when the pressure in dust removal case 3 is too big, explosion vent 6 breaks away from dust removal case 3 lateral wall or the clearance appears between explosion vent 6 and the dust removal case 3 lateral wall, and then lets out the pressure in dust removal case 3 inside from explosion vent 6, and then guarantees the inside safety and the stability of dust removal case 3.

Referring to fig. 2, a dust collecting hopper 7 is arranged at the lower end of a dust removing box 3, the lower end of the dust removing box 3 is connected with a cover opening of the dust collecting hopper 7 through welding, a dust discharging opening 8 is formed in the lower end of the dust collecting hopper 7, a dust discharging valve 9 is mounted on the dust discharging opening 8, a dust cover 10 is connected to the lower end of the dust discharging opening 8, the dust cover 10 is arranged in an inverted funnel shape, a dust collecting box 11 is arranged at the lower end of the dust cover 10, wheels 12 are arranged at the lower end of the dust collecting box 11, and the wheels 12 facilitate dust discharging of the dust. A vibration motor 13 is fixedly arranged on one side of the dust collecting hopper 7, and the vibration motor 13 shakes off the dust in the dust collecting hopper 7, so that the dust on the dust collecting hopper 7 is prevented from being accumulated to block the dust discharging port 8.

Referring to fig. 3, a maintenance opening 14 is formed in the outer side wall of the dust collecting hopper 7, a maintenance cover 15 is arranged on the maintenance opening 14, one side of the maintenance cover 15 is hinged to the outer side wall of the dust removing box 3, the other side of the maintenance cover 15 is connected with the outer side wall of the dust removing box 3 through a tower buckle 16, the maintenance opening 14 and the maintenance cover 15 are arranged, workers can observe the operation of an internal dust removing machine conveniently, and meanwhile maintenance of later-stage operation of the dust removing box 3 is facilitated.

Referring to fig. 4 and 5, a flower plate 17 is arranged at the upper end of the dust removing box 3, a plurality of through holes 18 are arranged on the flower plate 17, filter bags 19 penetrate through the through holes 18, and the filter bags 19 are used for filtering dust so as to filter the dust driven by the negative pressure airflow; the upper end of the filter bag 19 is sleeved with a placing ring 20, the edge of the through hole 18 of the flower plate 17 is provided with a placing groove 21, the groove wall of the placing groove 21 extends towards the central line direction of the through hole 18 and is provided with a clamping block 22, the placing ring 20 is in clamping fit with the clamping block 22, one side of the placing groove 21 is provided with a crescent groove 23, the arrangement of the crescent groove 23 is convenient for replacing the filter bag 19, the lower end of the filter bag 19 is sleeved with a weight ring 24, the weight ring 24 is made of iron blocks, and the weight ring 24 increases the contact area of the filter bag 19 and air, so that the dust filtering efficiency is improved; when installation filter bag 19 and card 17, place ring 20 and connect with the edge ground of standing groove 21 earlier, continue to press and place ring 20, owing to exert decurrent power to placing ring 20 for joint piece 22 is crooked towards the tank bottom direction of standing groove 21, and after placing ring 20 complete block in standing groove 21, joint piece 22 kick-backs, and joint piece 22 is gone into to be blocked in standing groove 21, thereby will place ring 20 stable installation in standing groove 21.

Referring to fig. 3 and 4, the dust removing box 3 is provided with an ash removing assembly 25 at the upper end of the pattern plate 17, the ash removing assembly 25 comprises a compressed air pump 26 and a pipeline 27 for conveying compressed air, the compressed air pump 26 is fixedly installed at the upper end of one side of the dust removing box 3, and the compressed air pump 26 is arranged along the length direction of the dust removing box 3; a plurality of pipelines 27 are arranged, and the length direction of the pipelines 27 is arranged along the width direction of the dust removal box 3; the plurality of pipes 27 are uniformly distributed along the length direction of the compressed air pump 26. The side wall of the pipeline 27 close to the through hole 18 is provided with a blowing opening 28, the blowing opening 28 extends towards the inner direction of the filter bag 19, and one end of each pipeline 27 close to the compressed air pump 26 is arranged on the pulse valve 29. When the dust-containing negative pressure airflow enters the dust removing box 3 from the air inlet, the dust-containing negative pressure airflow is uniformly distributed into the filter bag 19, when the dust-containing airflow passes through the filter bag 19, the dust is adsorbed on the filter bag 19, and the purified air is discharged from the air outlet. When the dust adsorbed on the filter bag 19 reaches a certain thickness, the pulse valve 29 is opened to clean the dust adsorbed on the outer surface of the filter bag 19 to the dust hopper 7 below, so that the dust can be collected.

Referring to fig. 1 and 2, a cover plate 30 is fixedly mounted at the top of the dust removal box 3, a cleaning opening 31 is formed in the cover plate 30, a cleaning cover 32 is covered on the cleaning opening 31, one side of the cleaning cover 32 is hinged to the outer side wall of the cover plate 30, the other side of the cleaning cover 32 is connected with the outer side wall of the cover plate 30 through a tower buckle 16, an observation opening 33 is formed in the cleaning cover 32, and the observation opening 33 is made of transparent toughened glass, so that a worker can conveniently observe the inside of the dust removal box 3; one side of the cleaning opening 31 is provided with a vertical ladder 34 for workers to climb, the periphery of the cover plate 30 is provided with a guardrail 35, and the guardrail 35 is communicated with the vertical ladder 34. When a worker cleans and cleans the interior of the dust box 3, the worker climbs to the cleaning port 31 from the vertical ladder 34 to observe whether the inner filter bag 19 deposits too much dust or whether there is a damaged filter bag 19; when changing filter bag 19, need open clean cover 32, then change the filter bag 19 of inside or during the dust to the board 17 upper deposition sweeps dust hopper 7 to avoid too much dust deposit to damage the internal plant on the internal plant for a long time, thereby extension internal plant life, and then improve dust removal case 3's life.

The working process principle is as follows:

firstly, the power supply is started, the dust is conveyed into the dust removing box 34 through the negative pressure airflow generated by the dust removing box 3, and the filtered airflow is conveyed out from the pipe opening of the exhaust pipe 4 through the filtering of the filter bag 19.

If dust needs to be collected, the power supply in the dust removal box 3 is turned off, the compressed air pump 26 is started, air enters from an air inlet of the compressed air pump 26, so that the air is compressed in the compressed air pump 26, then the air is introduced into the pipeline 27, the compressed air is sprayed into the filter bag 19 through the spraying and blowing port 28, and the filter bag rapidly expands at the moment of filtration, so that dust accumulated on the filter bag 19 is blown down to the dust collection hopper 7; and the dust discharge valve 9 will be opened and the dust will be transferred to the dust box 11.

When the filter bag 19 needs to be replaced, the filter bag is climbed to the cleaning port 31 from the vertical ladder 34, and whether the inner filter bag 19 deposits too much dust or whether the damaged filter bag 19 exists is observed; when the filter bag 19 is replaced, the cleaning cover 32 is opened, and then the filter bag 19 inside is replaced or the dust deposited on the pattern plate 17 is swept to the dust hopper 7, so that the internal equipment is prevented from being damaged due to the deposition of excessive dust on the internal equipment for a long time.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. A dust removal device for cleaning a PCB copper powder recycling workshop comprises a rack (1), an air blower (2) and a dust removal box (3), wherein the dust removal box (3) is erected on the rack (1), an air outlet of the air blower (2) is connected with an air inlet of the dust removal box (3) through an air pipe (4), a pattern plate (17) is arranged inside the dust removal box (3), a plurality of through holes (18) are formed in the pattern plate (17), and a filter bag (19) for filtering dust penetrates through the through holes (18);

the dust removing device is characterized in that a cover plate (30) is arranged at the upper end of the dust removing box (3), a cleaning opening (31) is formed in the cover plate (30), a cleaning cover (32) is arranged on the upper cover of the cleaning opening (31), one side of the cleaning cover (32) is hinged with the outer side wall of the cover plate (30), and the other side of the cleaning cover (32) is connected with the outer side wall of the cover plate (30) through a tower buckle (16);

the lower end of the dust removing box (3) is communicated with a dust collecting hopper (7), the lower end of the dust collecting hopper (7) is provided with a dust discharging port (8), and a dust discharging valve (9) is arranged on the dust discharging port (8);

one side of the cleaning opening (31) is provided with a vertical ladder (34) for workers to climb.

2. The dust removal device for cleaning the PCB copper powder recycling workshop according to claim 1, wherein the dust removal box (3) is provided with an ash removal component (25) used for cleaning the filter bag (19), the ash removal component (25) comprises a compressed air pump (26) and a pipeline (27) used for conveying compressed air, the pipeline (27) is provided with a blowing opening (28), the blowing opening (28) faces the inside of the filter bag (19), and the pipeline (27) is provided with a pulse valve (29).

3. The dust removing device for cleaning the PCB copper powder recycling workshop as claimed in claim 1, wherein the periphery of the cover plate (30) is provided with a guardrail (35), and the guardrail (35) is communicated with the vertical ladder (34).

4. The dust removing device for cleaning the PCB copper powder recycling workshop as claimed in claim 1, wherein the outer side wall of the dust collecting hopper (7) is provided with a vibration motor (13).

5. The dust removal device for cleaning the PCB copper powder recycling workshop according to claim 1, wherein a placing ring (20) is sleeved at the upper end of the filter bag (19), a placing groove (21) is formed in the edge of the through hole (18) of the flower plate (17), a clamping block (22) extends from the groove wall of the placing groove (21) towards the center line of the through hole (18), and the placing ring (20) is in clamping fit with the clamping block (22).

6. The dust removing device for cleaning the PCB copper powder recycling workshop according to claim 5, wherein one side of the placing groove (21) is provided with a crescent groove (23).

7. The dust removal device for cleaning the PCB copper powder recycling workshop according to claim 1, wherein a weight pressing ring (24) is sleeved at the lower end of the filter bag (19), and the weight pressing ring (24) is made of an iron block.

8. The dust removal device for cleaning the PCB copper powder recycling workshop according to claim 1, wherein the cleaning cover (32) is provided with an observation port (33), and the observation port (33) is made of transparent tempered glass.

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