CN214021303U - Broken system of old and useless PCB board - Google Patents

Abstract

The application relates to a waste PCB crushing system, which relates to the field of PCB treatment and recovery and comprises a rack and a coarse crusher arranged on the rack, wherein a support is arranged below the coarse crusher, a vibrating box used for bearing materials is arranged on the support in a sliding manner, a plurality of filtering holes are formed in the bottom of the vibrating box, a collecting box is arranged below the vibrating box, a discharging pipe is communicated with the side wall of the vibrating box, and a middle crusher matched with the discharging pipe for use is arranged on the outer side of the vibrating box; the device also comprises a driving mechanism for driving the vibration box to vibrate and a lifting mechanism for jacking the vibration box to enable the vibration box to incline towards the discharge pipe. This application utilizes the vibrating bin to sieve the material after the breakage for smash in the breaker in can entering into only unsatisfied specified big or small specification's piece in the material, effectively improved the utilization ratio of well breaker, also can improve the crushing efficiency of well breaker to a certain extent simultaneously.

Description

Broken system of old and useless PCB board

Technical Field

The application relates to the field of PCB board processing recovery, especially relates to a broken system of old and useless PCB board.

Background

Printed Circuit Boards (PCBs), also known as PCBs, are providers of electrical connections to electronic components. In the production process of the PCB, copper is the most important metal element which is not available in the circuit board, and is also the most important raw material and consumable of the circuit board. With the continuous improvement of the social living standard and the continuous increase of the consumption of electronic products, the replacement rate and the elimination rate of the electronic products are also continuously increased, and the treatment of the PCB in the waste electrical appliances, the reduction of the environmental pollution and the resource reutilization become substantial problems. Particularly, if the copper metal in the PCB is not recycled, the resource is wasted.

The prior application publication No. CN101704012A discloses a method for recovering and separating PCB by a dry method, which comprises the following steps: putting the waste PCB into a coarse crusher to be crushed into small blocks of 20 mm; the materials are subjected to a magnetic separator, and crushed and separated iron blocks in the materials are selected; putting the rest materials after the iron blocks are separated into a medium crusher to be crushed into small blocks of 5 mm; the obtained material is passed through a magnetic separator, and the crushed and separated iron blocks in the material are further selected; feeding the rest materials after the iron blocks are separated into a vortex separator to separate metals mainly comprising aluminum and tin from undissociated materials; feeding the undissociated material into a micro-pulverizer, pulverizing into 20-60 mesh powder, and feeding into an electrostatic separator for separating copper from fiber resin.

In view of the above-mentioned related technologies, the inventor believes that the dry method for recovering and separating PCBs in the above-mentioned related technologies is to directly put all the waste PCBs into a coarse crusher to be crushed, and then put all the materials after separating the iron blocks into a medium crusher to be crushed. And before the materials are put into the middle crusher, part of the materials meet the specification of the size to be crushed, if all the materials are put into the middle crusher to be crushed, the energy of the crusher during working is wasted, and the effective utilization rate of the energy is reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve the crushing efficiency and the utilization ratio of breaker, this application provides a broken system of old and useless PCB board.

The application provides a broken system of old and useless PCB board adopts following technical scheme:

a waste PCB crushing system comprises a rack and a coarse crusher arranged on the rack, wherein a support is arranged below the coarse crusher, a vibrating box used for bearing materials is arranged on the support in a sliding mode, a plurality of filtering holes are formed in the bottom of the vibrating box, a collecting box is arranged below the vibrating box, the side wall of the vibrating box is communicated with a discharging pipe, and a middle crusher matched with the discharging pipe is arranged on the outer side of the vibrating box;

the device also comprises a driving mechanism for driving the vibration box to vibrate and a lifting mechanism for jacking the vibration box to enable the vibration box to incline towards the discharge pipe.

Through adopting above-mentioned technical scheme, old and useless PCB board falls into the vibration box after the coarse crusher is broken in, utilize actuating mechanism drive vibration box to take place the vibration, make the piece that has accorded with broken size specification in the material can enter into the collection box through crossing the filtration pore, the piece gets into behind the collection box, utilize elevating system jack-up vibration box, during the bold piece that makes in the vibration box can enter into well breaker through the discharging pipe, smash once more, thereby smash the bold piece into the size specification of requirement.

Compared with the prior art, this technical scheme utilizes the vibrating bin to sieve the material after the breakage for smash in the breaker in can entering into only unsatisfied specified big or small specification's piece in the material, effectively improved the utilization ratio of well breaker, also can improve the crushing efficiency of well breaker to a certain extent simultaneously.

Optionally, it is equipped with the slide plate that is used for bearing vibrating bin to slide on the support, the slide plate is opened has the hole of stepping down that is used for the blanking, actuating mechanism is including locating the dwang on the support, the dwang is connected with the rotate bracket, is equipped with the cam on the dwang, is equipped with the connecting plate that uses with the cam cooperation on the slide plate, is equipped with on the support to be used for driving dwang pivoted drive assembly and be used for driving the slide plate and be close to the removal subassembly of dwang.

Through adopting above-mentioned technical scheme, utilize drive assembly drive cam to rotate, the cam drives the vibration case through the connecting plate and is reciprocating motion to promote the fritter piece in the vibration case to get into in the collection box through filtering the hole.

Optionally, the driving assembly comprises a driving motor arranged on the support, a driving bevel gear is mounted on an output shaft of the driving motor, and a driven bevel gear meshed with the driving bevel gear is mounted on the rotating rod.

By adopting the technical scheme, the driving bevel gear is driven to rotate by the driving motor, the driven bevel gear is driven to rotate by the driving bevel gear, and the cam is further driven to rotate, so that the aim of driving the vibration box to do reciprocating motion can be fulfilled.

Optionally, the movable assembly is including locating the fixed plate on the support, the fixed plate is located the board that slides and one side of dwang is kept away from to the fixed plate, is equipped with the guide bar on the board that slides, the guide bar run through the board that slides and with slide board sliding connection, the cover is equipped with the compression spring who is located between board and the fixed plate that slides on the guide bar.

Through adopting above-mentioned technical scheme, when the vibration case removed towards the fixed plate, compression spring shrink, and the elasticity that compression spring produced has the trend that the drive vibration case removed towards the dwang to at cam pivoted in-process, the vibration case can remove towards the dwang, and then makes the vibration case can be reciprocating motion.

Optionally, the vibrating bin is close to the side of discharging pipe and is connected more with the board axle that slides, elevating system is including locating the loop bar on the vibrating bin lateral wall, the cover is equipped with the sleeve pipe on the loop bar, is equipped with the lift cylinder on the board that slides, and the output shaft axle of lift cylinder is connected in the sleeve pipe more.

Through adopting above-mentioned technical scheme, utilize lift cylinder drive vibration case to take place the slope for the bold piece in the vibration case can enter into in the breaker through the discharging pipe.

Optionally, the peripheral side wall of the loop bar is provided with a plurality of marble screws along the length direction of the loop bar.

Through adopting above-mentioned technical scheme, utilize the marble screw to reduce the frictional force between loop bar and the sleeve pipe for loop bar can be smooth and easy the sliding in the sleeve pipe.

Optionally, the lateral wall of vibration case is opened has the discharge gate that communicates in the discharging pipe and is equipped with the shutoff board that is used for the shutoff discharge gate, the side that the shutoff board is close to the vibration case mouth is connected with the vibration case axle.

Through adopting above-mentioned technical scheme, utilize shutoff board shutoff discharge gate, reduce the vibrating box and have the possibility that the fritter piece enters into the discharging pipe at the in-process of vibration, be favorable to the fritter piece to get into in the collection box through crossing the filtration pore.

Optionally, the inside wall of discharging pipe is equipped with the torsional spring, the both ends of torsional spring are connected respectively in shutoff board and discharging pipe.

Through adopting above-mentioned technical scheme, utilize the torsional spring further to make shutoff board shutoff discharge gate, reduce at the vibration of vibrating bin vibration in-process, the shutoff board opens the possibility of discharge gate because of the vibration of vibrating bin.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the method, the vibration box is used for discharging small fragments in the material into the collection box, so that only large fragments can enter the middle crusher for crushing, and the utilization rate and the crushing efficiency of the middle crusher are improved;

2. this application utilizes the shutoff board to reduce the possibility that the fritter piece enters into the discharging pipe because of the vibration of vibration case, is favorable to the fritter piece to enter into the collection box through crossing the filtration pore.

Drawings

Fig. 1 is a schematic structural diagram of an overall waste PCB crushing system according to an embodiment of the present application.

Fig. 2 is a sectional view of a vibration box according to an embodiment of the present application.

Fig. 3 is a schematic structural view of a guide bar according to an embodiment of the present application.

Fig. 4 is a schematic structural view of a rotating lever according to an embodiment of the present application.

Description of reference numerals: 1. a frame; 11. a coarse crusher; 111. a first grinding roller; 112. a first power motor; 113. a first drive belt; 12. a support frame; 2. a support; 21. a support platform; 210. a blanking hole; 211. a sliding groove; 212. a fixing plate; 213. a discharging pipe; 22. a slide plate; 220. a hole of abdication; 221. a connecting plate; 222. a guide bar; 223. a compression spring; 23. rotating the rod; 231. a cam; 232. a driven bevel gear; 24. a drive motor; 241. a drive bevel gear; 25. a lifting cylinder; 3. a vibration box; 30. a filtration pore; 31. a discharge pipe; 311. a connecting rod; 312. a torsion spring; 32. a loop bar; 321. a marble screw; 33. a sleeve; 34. a plugging plate; 35. a rotating shaft; 4. a collection box; 5. a middle crusher; 51. a second grinding roller; 52. a second power motor; 53. a second belt; 54. and a material receiving box.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses broken system of old and useless PCB board. Referring to fig. 1, broken system of old and useless PCB board includes frame 1, is equipped with coarse crusher 11 in the frame 1, and coarse crusher 11 below is equipped with support 2, and support 2 includes bearing platform 21, is equipped with vibrating bin 3 on the bearing platform 21, and the below of vibrating bin 3 is equipped with collecting box 4 of collecting the material, and the lateral wall intercommunication of vibrating bin 3 has discharging pipe 31. One side of frame 1 is equipped with support frame 12, is equipped with the well breaker 5 that is located discharging pipe 31 one side on support frame 12, and the material accessible discharging pipe 31 in the vibration box 3 is arranged into well breaker 5, and well breaker 5 below is equipped with the receipts workbin 54 of accepting the material.

Referring to fig. 1, the rough crusher includes a casing, two first grinding rollers 111 are parallelly disposed in the casing, two ends of a first central shaft of the first grinding rollers 111 are respectively rotatably connected to the casing, a first power motor 112 is disposed on an outer side wall of the casing, and an output shaft of the first power motor 112 is connected to the first central shaft of the first grinding rollers 111 through a first transmission belt 113 to drive the first grinding rollers 111 to rotate, so as to crush the waste PCB.

Referring to fig. 2 and 3, the bottom plate of the vibration box 3 is provided with a plurality of filtering holes 30 for small pieces of the material to pass through and fall into the collection box 4. The bearing platform 21 is provided with a sliding plate 22, the vibration box 3 is arranged on the sliding plate 22, the bottom surface of the sliding plate 22 is provided with a sliding strip along the length direction of the sliding plate 22, the bearing platform 21 is provided with a sliding groove 211 for the sliding strip to slide along the length direction of the bearing platform 21, and the sliding plate 22 can move along the length direction of the bearing platform 21 by utilizing the sliding strip and the sliding groove 211. The sliding plate 22 is provided with a yielding hole 220 for the small fragments to pass through, the bearing platform 21 is provided with a blanking hole 210 for the small fragments to pass through, and the bearing platform 21 is connected with a blanking pipe communicated with the blanking hole 210.

Referring to fig. 4, the support base 21 is provided with a rotating lever 23, the rotating lever 23 is provided with a cam 231, one end of the slide plate 22 close to the rotating lever 23 is provided with a connecting plate 221, and the circumferential surface of the cam 231 abuts against the end surface of the slide plate 22, so that the cam 231 can drive the slide plate 22 to move when rotating. The supporting platform 21 is provided with a driving motor 24, the rotating rod 23 is provided with a driven bevel gear 232, and the driving motor 24 is provided with a driving bevel gear 241 which is meshed with the driven bevel gear 232.

Referring to fig. 3, a fixing plate 212 is arranged on the support, the fixing plate 212 is located on one side of the sliding plate 22 departing from the rotating rod 23, a guide rod 222 is arranged on the end face of the sliding plate 22 close to the fixing plate 212, a through hole for the guide rod 222 to pass through is formed in the fixing plate 212, and a compression spring 223 located between the sliding plate 22 and the fixing plate 212 is sleeved on the guide rod 222. The driving motor 24 is started to drive the cam 231 to rotate, so that the sliding plate 22 can be driven to move towards the fixing plate 212, meanwhile, the elastic force generated by the compression spring 223 can drive the sliding plate 22 to move towards the rotating rod 23, and therefore in the rotating process of the cam 231, the sliding plate 22 can drive the vibration box 3 to reciprocate along the length direction of the supporting platform 21, and therefore small fragments in the material can be accelerated to enter the collection box 4.

Referring to fig. 3 and 4, a side plate of the vibration box 3 where the discharge pipe 31 is located is relatively connected with a sliding plate 22 through a rotating shaft, the sliding plate 22 is provided with a lifting cylinder 25, a loop bar 32 is installed on the side wall of the vibration box 3, a sleeve 33 is sleeved on the loop bar 32, and an output shaft of the lifting cylinder 25 is rotatably connected to the sleeve 33 through a central shaft. The lifting cylinder 25 is activated to drive the vibration box 3 to rotate about the rotation axis 35, so that the material in the vibration box 3 can enter the intermediate crusher 5 through the discharge pipe 31. A plurality of ball screws 321 are installed on the outer peripheral side wall of the loop bar 32 to reduce the friction between the loop bar 32 and the sleeve 33, so that the loop bar 32 can move smoothly in the sleeve 33.

Referring to fig. 3, the vibrating box 3 is provided with a discharge hole communicated with the discharge pipe 31, a plugging plate 34 is arranged in the discharge hole, and the plugging plate 34 is rotatably connected with two opposite inner side walls of the discharge hole through a connecting shaft. The inside wall of discharging pipe 31 is equipped with a connecting rod 311 that is close to the discharge gate, and connecting rod 311 overlaps and is equipped with torsional spring 312, and the both ends of torsional spring 312 are connected respectively in the inside wall of discharging pipe 31 and shutoff board 34. Utilize the elasticity of torsional spring 312 to reduce the possibility that shutoff board 34 opened the discharge gate at the in-process of vibration case 3 vibration, reduce the possibility that the fritter piece enters into discharging pipe 31, when vibration case 3 slopes, shutoff board 34 takes place to rotate under the effect of material gravity to open the discharge gate, so that the bold piece gets into discharging pipe 31, and then smashes in entering into well breaker 5.

Referring to fig. 1, the middle crusher 5 includes a housing, two second grinding rollers 51 are disposed in parallel in the housing, and a second central shaft of the second grinding roller 51 is rotatably connected to the housing. The second power motor 52 is installed on the outer side wall of the case, and the output shaft of the second power motor 52 is connected to the second central shaft of the second grinding roller 51 through a second transmission belt 53 so as to drive the second grinding roller 51 to rotate, and then large fragments in the case can be crushed.

The implementation principle of the broken system of old and useless PCB board of this application embodiment does: waste PCB boards are firstly put into the vibration box 3 after being crushed by the coarse crusher 11, and small fragments in the materials can enter the collection box 4 through the filter holes 30 under the vibration of the vibration box 3, so that the separation of the small fragments from the large fragments is realized. The vibration box 3 is tilted by the lifting cylinder 25 so that the large fragments in the vibration box 3 can enter the crusher 5 through the discharge pipe 31 to be crushed.

Compared with the prior art, this application embodiment utilizes vibrating bin 3 to sieve the material after the breakage for smash in crusher 5 in can entering into only unsatisfied specified big or small specification's piece in the material, effectively improved the utilization ratio of well crusher 5, also can improve the crushing efficiency of crusher 5 to a certain extent simultaneously.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a broken system of old and useless PCB board, includes frame (1) and locates rough crusher (11) in frame (1), its characterized in that: a support (2) is arranged below the coarse crusher (11), a vibration box (3) for bearing materials is arranged on the support (2) in a sliding mode, a plurality of filtering holes (30) are formed in the bottom of the vibration box (3), a collecting box (4) is arranged below the vibration box (3), a discharging pipe (31) is communicated with the side wall of the vibration box (3), and a middle crusher (5) matched with the discharging pipe (31) for use is arranged on the outer side of the vibration box (3);

the device also comprises a driving mechanism for driving the vibration box (3) to vibrate and a lifting mechanism for jacking up the vibration box (3) to enable the vibration box (3) to incline towards the discharge pipe (31).

2. The waste PCB crushing system of claim 1, wherein: slide on support (2) and be equipped with slide plate (22) that are used for bearing vibrating bin (3), slide plate (22) are opened and are had hole (220) of stepping down that are used for the blanking, actuating mechanism is including locating dwang (23) on support (2), dwang (23) are rotated with support (2) and are connected, are equipped with cam (231) on dwang (23), are equipped with connecting plate (221) that uses with cam (231) cooperation on slide plate (22), are equipped with on support (2) to be used for driving dwang (23) pivoted drive assembly and are used for driving slide plate (22) and are close to the removal subassembly of dwang (23).

3. The waste PCB crushing system of claim 2, wherein: the driving assembly comprises a driving motor (24) arranged on the support (2), a driving bevel gear (241) is installed on an output shaft of the driving motor (24), and a driven bevel gear (232) meshed with the driving bevel gear (241) is installed on the rotating rod (23).

4. The waste PCB crushing system of claim 2, wherein: remove subassembly is including locating fixed plate (212) on support (2), fixed plate (212) are located one side that slide plate (22) deviates from dwang (23), are equipped with guide bar (222) on slide plate (22), guide bar (222) run through slide plate (22) and with slide plate (22) sliding connection, the cover is equipped with compression spring (223) that are located between slide plate (22) and fixed plate (212) on guide bar (222).

5. The waste PCB crushing system of claim 1, wherein: vibration case (3) are close to the side of discharging pipe (31) and are connected more with slide plate (22) axle, elevating system is including locating loop bar (32) on vibration case (3) lateral wall, the cover is equipped with sleeve pipe (33) on loop bar (32), is equipped with lift cylinder (25) on slide plate (22), and the output shaft axle of lift cylinder (25) is connected in sleeve pipe (33).

6. The waste PCB crushing system of claim 5, wherein: the peripheral side wall of the loop bar (32) is provided with a plurality of marble screws (321) along the length direction of the loop bar (32).

7. The waste PCB crushing system of claim 5, wherein: the lateral wall of vibration case (3) is opened has the discharge gate that communicates in discharging pipe (31) and is equipped with shutoff board (34) that are used for the shutoff discharge gate, side and vibration case (3) axle that shutoff board (34) are close to vibration case (3) case mouth are more connected.

8. The waste PCB crushing system of claim 7, wherein: the inside wall of discharging pipe (31) is equipped with torsional spring (312), the both ends of torsional spring (312) are connected respectively in shutoff board (34) and discharging pipe (31).

Images