CN112844569A

CN112844569A - Waste circuit board classification and recovery equipment

Info

Publication number: CN112844569A
Application number: CN202011461190.9A
Authority: CN
Inventors: 陈再
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-05-28

Abstract

The invention discloses waste circuit board classification recovery equipment, and particularly relates to the field of recovery equipment. According to the invention, the receiving assembly and the matching rack are arranged, and the chain wheel is matched with the chain to drive the fixing block to move, so that the functions of automatically collecting and secondarily crushing materials which do not penetrate through the screen are realized, and the function of improving the screening efficiency by vibrating the screen is realized by matching the rack and the matching gear to mesh.

Description

Waste circuit board classification and recovery equipment

Technical Field

The invention relates to the technical field of recovery equipment, in particular to waste circuit board classification recovery equipment.

Background

With the development of industry, the discharge of dangerous waste in industrial production process is increasing. It is estimated that the worldwide annual production of hazardous waste is 3.3 million tons. Because of the serious pollution and potentially serious effects of hazardous waste, which has been called "political waste" in industrially developed countries, the public is very sensitive to the problem of hazardous waste, and against setting up hazardous waste disposal sites in their own residential areas, and the high cost of disposing of hazardous waste, some companies are trying to move the hazardous waste to industrially undeveloped countries and regions. The hazardous waste refers to waste having hazardous waste characteristics listed in national hazardous waste lists or identified according to national hazardous waste identification standards and methods. The development of foreign environmental protection business has been in the past hundred years, but the development of domestic environmental protection is just started, and the investment scale of the current industry is low on the whole.

In recent years, with the development of economy in China, the generation amount of dangerous waste is also promoted continuously and rapidly, for example, a large amount of circuit board garbage can be generated in the electronic industry, various metals, resins and capacitors are arranged on circuit boards, the metals and the resins can be recycled and screened after being crushed, but in the current classification recycling, a plurality of devices cannot simultaneously classify and collect the crushed mixed powder of the metals and the resins.

Disclosure of Invention

In order to overcome the above defects in the prior art, an embodiment of the present invention provides a waste circuit board sorting and recycling apparatus, and the problems to be solved by the present invention are: the existing circuit board classification recycling equipment cannot classify and collect mixed powder of metal and resin.

In order to achieve the purpose, the invention provides the following technical scheme: the waste circuit board classification recycling equipment comprises a box body, wherein a crushing box is installed at the top of the box body in a penetrating mode, two mutually-meshed crushing rollers are movably installed between two inner walls of the crushing box, four mutually-meshed crushing rollers are arranged below the crushing rollers, a discharge hole is formed in the bottom of the crushing box in a penetrating mode, a screen is hinged to the inner wall of one side of the box body, a separation roller below the screen is movably installed between the inner walls of the box body, first material gathering plates located between the screen and the separation roller are fixedly installed on the inner walls of two sides of the box body, a corona electrode is fixedly installed at the bottom of each first material gathering plate, an electrostatic electrode located below the corona electrode is arranged inside the box body, and a mounting plate is fixedly installed on the outer side of the box body;

the chain wheel is movably mounted at the top and the bottom of the front side of the mounting plate, a chain is arranged between the two chain wheels, two groups of symmetrically arranged fixing blocks are movably mounted on the chain, side plates are fixedly connected to the two ends of the fixing blocks, a rotating shaft is movably mounted at one side, close to the chain, of the fixing blocks, the rotating shaft penetrates through the chain and is fixedly mounted with a cross, a sliding block is fixedly connected to the four end portions of the cross, an inner sliding groove which is in the vertical direction and located on the inner side of the chain is formed in the front side of the mounting plate, an outer annular sliding groove which is located outside the chain is formed in the front side of the mounting plate, the end portions of the inner sliding groove and the outer annular sliding groove are communicated with each other, the sliding block, the;

the material receiving assembly comprises a bottom plate, the bottom plate is fixedly connected with a side plate, a groove is formed in the top of the bottom plate, a material receiving plate of an L-shaped structure is hinged to one side edge, away from the side plate, of the bottom plate, an electric telescopic rod is hinged to one side of the bottom of the groove, the top end of the electric telescopic rod is hinged to the bottom of the material receiving plate, a first through hole is formed in one side, close to a mounting plate, of the box body in a penetrating mode, an L-shaped plate is arranged inside the first through hole, a damping rotating shaft is arranged on the right-angle side of the L-shaped plate, the L-shaped plate is hinged to the first through hole through the damping rotating shaft, an elastic rubber sheet is fixedly mounted on one side of the L-shaped plate, the elastic rubber sheet is far away from one side of the L-shaped plate and is fixedly connected with the screen, the screen and the L-, the sharp edge is matched with the first through hole.

In a preferred embodiment, the inner walls of two sides of the crushing box are fixedly provided with second material collecting plates which are obliquely arranged, the second material collecting plates are positioned between the crushing roller and the crushing roller, one side of the crushing box, which is close to the mounting plate, is provided with a material returning hole in a penetrating manner, the second material collecting plates penetrate through the material returning hole and extend to the outside of the crushing box, and one side of the second material collecting plates, which extends to the outside of the material returning hole, is flush with the sharp edge side.

In a preferred embodiment, one side inner wall movable mounting that the box is close to the mounting panel has the cooperation gear, it is connected with the rolling disc to rotate between the inner wall of box, be connected through belt pulley transmission between rolling disc and the cooperation gear, the arc hole has been seted up in the top of first flitch of gathering runs through, the wedge that the periphery side fixedly connected with annular array of rolling disc distributes, the arc is downthehole is located in the wedge activity.

In a preferred embodiment, the box is close to fixed cover of fixedly connected with on the inner wall of mounting panel, the inside activity through mounting of fixed cover has movable wedge-bar, activity wedge-bar and wedge looks adaptation, one side bottom fixedly connected with cooperation piece of screen cloth, the top fixed connection of cooperation piece and activity wedge-bar, the cover is equipped with the second spring on the pole wall of activity wedge-bar, the both ends of second spring respectively with cooperation piece and fixed cover fixed connection.

In a preferred embodiment, one end of the connecting rod is fixedly connected with the side plate, a mounting block is fixedly mounted at the end, far away from the side plate, of the connecting rod, a matching rack is fixedly connected to one side, far away from the connecting rod, of the mounting block, and the matching rack and the matching gear are arranged in a matching mode.

In a preferred embodiment, a fixing sleeve is fixedly sleeved at the middle position of the screen cloth, a first spring is arranged inside the fixing sleeve, and two ends of the first spring are fixedly connected with the side edges of the two screen cloths respectively.

In a preferred embodiment, a scraper is integrally formed at the bottom end of the first material gathering plate located at the left side in the box body, and the bottom end of the scraper is in rolling contact with the outer periphery of the separation roller.

In a preferred embodiment, two collecting frames are placed at the bottom of the inner cavity of the box body, the two collecting frames are respectively positioned under the separating roller and the electrostatic electrode, second through holes are formed in the bottoms of the two sides of the box body in a penetrating mode, and the second through holes are matched with the collecting frames.

The invention has the technical effects and advantages that:

1. the waste circuit boards are poured into the crushing box from an opening at the top of the crushing box, the crushing roller rotates to crush the circuit boards into small pieces, the crushing roller rotates to further crush the small pieces of materials into powdery metal particles and resin particles, the mixed powder particles are screened by the screen, larger particles fall on the upper surface of the screen, the small particles fall on the separation roller under the material gathering action of the first material gathering plate through the screen, and the function of classifying and collecting the powder particles by the device is realized under the action of the corona electrode and the electrostatic electrode;

2. according to the invention, the receiving assembly and the matching rack are arranged, and the chain wheel is matched with the chain to drive the fixing block to move, so that the functions of automatically collecting and secondarily crushing materials which do not penetrate through the screen are realized, and the function of improving the screening efficiency by vibrating the screen is realized by matching the rack and the matching gear to mesh.

Drawings

FIG. 1 is a schematic front sectional view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the mounting plate of the present invention;

FIG. 3 is an enlarged schematic view of the receiving assembly of the present invention;

FIG. 4 is a schematic view of the structural cooperation of the fixing block and the cross of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

The reference signs are: 1 box body, 11 first material gathering plate, 111 arc-shaped hole, 12 scraping plates, 13 separating roller, 14 corona electrode, 15 static electrode, 16 first through hole, 17 second through hole, 18 collecting frame, 2 crushing box, 21 crushing roller, 22 second material gathering plate, 23 crushing roller, 24 material returning hole, 3 mounting plate, 31 chain wheel, 32 chain, 321 fixed block, 322 side plate, 33 inner chute, 34 outer annular chute, 35 rotating shaft, 36 cross frame, 361 sliding block, 4 screen mesh, 41 fixed sleeve, 42 first spring, 43 matching block, 5 matching gear, 51 rotating disc, 52 wedge block, 53 fixed sleeve, 54 movable wedge rod, 55 second spring, 6L-shaped plate, 61 lug, 62 damping rotating shaft, 63 elastic rubber skin, 7 material receiving component, 71 bottom plate, 72 groove, 73 material receiving plate, 74 electric telescopic rod, 75 sharp edge, 8 connecting rod, 81 mounting block and 82 matching rack.

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.

The waste circuit board classification and recovery equipment of the embodiment of the invention can comprise a box body 1, a crushing box 2 is arranged at the top of the box body 1 in a penetrating way, two mutually meshed crushing rollers 21 are movably arranged between the two inner walls of the crushing box 2, four mutually meshed crushing rollers 23 are arranged below the crushing rollers 21, a discharge hole is arranged at the bottom of the crushing box 2 in a penetrating way, a screen 4 is hinged on the inner wall of one side of the box body 1, a separation roller 13 positioned below the screen 4 is movably arranged between the inner walls of the box body 1, a first material gathering plate 11 positioned between the screen 4 and the separation roller 13 is fixedly arranged on the inner walls at the two sides of the box body 1, the bottom fixed mounting of first flitch 11 that gathers has corona electrode 14, the inside of box 1 is provided with the electrostatic electrode 15 that is located corona electrode 14 below, the outside fixed mounting of box 1 has mounting panel 3.

Referring to the attached drawings 1 to 5 in the specification, chain wheels 31 are movably mounted at the top and the bottom of the front side of a mounting plate 3 of the waste circuit board classification recycling equipment of the embodiment, a chain 32 is arranged between the two chain wheels 31, two groups of symmetrically arranged fixing blocks 321 are movably mounted on the chain 32, side plates 322 are fixedly connected to both ends of each fixing block 321, a rotating shaft 35 is movably mounted at one side of each fixing block 321 close to the chain 32, the rotating shaft 35 movably penetrates through the chain 32 and is fixedly mounted with a cross 36, four ends of the cross 36 are fixedly connected with sliding blocks 361, an inner chute 33 which is in the vertical direction and is positioned at the inner side of the chain 32 is arranged at the front side of the mounting plate 3, an outer annular chute 34 which is positioned outside the chain 32 is arranged at the front side of the mounting plate 3, the ends of the inner chute 33 are communicated with the outer annular chute 34, and the sliding, the outer sides of the two fixing blocks 321 are respectively provided with a material receiving component 7 and a connecting rod 8;

the material receiving assembly 7 comprises a bottom plate 71, the bottom plate 71 is fixedly connected with a side plate 322, a groove 72 is formed in the top of the bottom plate 71, a material receiving plate 73 with an L-shaped structure is hinged to one side edge of the bottom plate 71 away from the side plate 322, an electric telescopic rod 74 is hinged to one side of the bottom of the groove 72, the top end of the electric telescopic rod 74 is hinged to the bottom of the material receiving plate 73, a first through hole 16 is formed in one side, close to the mounting plate 3, of the box body 1 in a penetrating mode, an L-shaped plate 6 is arranged inside the first through hole 16, a damping rotating shaft 62 is arranged on the right-angle side of the L-shaped plate 6, the L-shaped plate 6 is hinged to the first through hole 16 through the damping rotating shaft 62, an elastic rubber sheet 63 is fixedly installed on one side of the L-shaped plate 6, one side, away from the L-, a sharp edge 75 is integrally formed on one side of the material receiving plate 73 away from the side plate 322, a protrusion 61 extending out of the first through hole 16 is integrally formed on one side of the L-shaped plate 6, and the sharp edge 75 is matched with the first through hole 16.

As shown in fig. 1 to 5, the implementation scenario specifically includes: in actual use, (the crushing roller 21, the crushing roller 23, the separating drum 13 and the chain wheel 31 are all driven by a motor, not shown in the figure, and the matching gear 5 and the rotating disc 51 are in transmission connection through a belt pulley, also not shown in the figure) to pour the waste circuit board from the opening at the top of the crushing box 2, the crushing roller 21 rotates to crush the circuit board into small blocks, the crushing roller 23 rotates to further crush the small blocks into powdery metal particles and resin particles, the mixed powder particles are sieved by the screen 4, larger particles fall on the upper surface of the screen 4, the small particles fall on the separating drum 13 through the aggregating action of the screen 4 on the first aggregating plate 11 and fall along with the rotation of the separating drum 13, the powdery mixed particles are bombarded by negative ions generated by the corona electrode 14 to enable the metal particles and the nonmetal particles to be negatively charged, and the metal particles (the circular particles in figure 1 are metal particles, triangular particles are non-metallic particles) rapidly lose negative charges through the grounded separation roller 13, and are uncharged (namely, the metal is bombarded by the corona electrode 14 to enable the negative charges carried by the metal to be conducted to the ground by the grounded separation roller 13 and not to carry the negative charges), the electrostatic electrode 15 generates electrostatic attraction on the metal particles to enable the metal particles to be separated from the grounded separation roller 13 and fall into the right collection frame, the non-metallic particles 6 with the negative charges are adhered to the surface of the separation roller 13 under the repulsive action of the electrostatic electrode 15 and rotate along with the separation roller 13 until the particles fall into the left collection frame 18 under the action of gravity or the scraping action of the scraper 12, so that the classified collection function of the device on the metal particles and the resin particles after the circuit board is crushed is realized, and the large particles falling on the upper surface of the screen 4 are poured into the material return hole 24 again for secondary crushing under the; by arranging the chain wheel 31, the chain 32, the fixed block 321, the inner chute 33, the outer annular chute 34, the rotating shaft 35, the cross 36 and the sliding blocks 361, the chain 32 rotates anticlockwise to drive the fixed block 321 to move, when the fixed block 321 is on the left side, the sliding blocks 361 on the left end and the right end of the cross 36 are respectively arranged in a left side slideway of the outer annular chute 34 and a left side slideway of the inner chute 33 in a sliding mode, when the fixed block 321 moves to the right side along with the chain 32, the sliding blocks 361 on the left end and the right end of the cross 36 are respectively arranged in a right side slideway of the inner chute 33 and a right side slideway of the outer annular chute 34 in a sliding mode, namely, the cross 36 does not rotate, the direction is not changed all the time; by arranging the material receiving assembly 7, the L-shaped plate 6, the convex block 61 and the damping rotating shaft 62, because the screen 4 and the L-shaped plate 6 are obliquely arranged, particles which do not penetrate through the screen 4 fall onto the L-shaped plate 6 under the action of gravity, when the material receiving plate 73 moves downwards on the left side, the sharp edge 75 slides downwards along the outer side of the box body 1, the sharp edge 75 is firstly matched with the convex block 61, the material receiving plate 73 moves downwards to give lateral pressure to the L-shaped plate 6, so that the L-shaped plate 6 rotates along the damping rotating shaft 62 in an instant manner, large particles falling on the L-shaped plate 6 are overturned and poured above the material receiving plate 73, after the L-shaped plate 6 is separated from the sharp edge 75, the L-shaped plate 6 is restored to the original shape under the action of the damping rotating shaft 62, the first through hole 16 can be sealed, the leakage of the materials from the box body 1 is avoided, the large particles rotate anticlockwise to the upper part of, thereby on pouring the large granule on the receipts flitch 73 into second dimer flitch 22, pour into broken case 2 promptly, realized that the device will not see through the material of screen cloth 4 automatically and collect and regrinding's function, be favorable to improving the device to the crushing effect of circuit board, the circuit board recovery unit that exists among the prior art has specifically been solved to this embodiment is not convenient for carry out the regrinding problem with the material that does not see through the screen cloth.

The equal fixed mounting in both sides inner wall of broken case 2 has the second material aggregation plate 22 that the slope set up, second material aggregation plate 22 is located between crushing roller 21 and the crushing roller 23, broken case 2 runs through the one side that is close to mounting panel 3 and has seted up feed back hole 24, second material aggregation plate 22 runs through feed back hole 24 and extends to outside broken case 2, just second material aggregation plate 22 extends to one side and the 75 side parallel and level setting in sharp limit outside feed back hole 24.

One side inner wall movable mounting that box 1 is close to mounting panel 3 has cooperation gear 5, it is connected with rolling disc 51 to rotate between the inner wall of box 1, be connected through belt pulley transmission between rolling disc 51 and the cooperation gear 5, the arc hole 111 has been seted up in the top of first flitch 11 of gathering runs through, the wedge 52 that the periphery side fixedly connected with annular array of rolling disc 51 distributes, the wedge 52 activity is located in arc hole 111.

Fixed cover 53 of fixedly connected with on the inner wall that box 1 is close to mounting panel 3, the inside activity of fixed cover 53 runs through and installs activity wedge 54, activity wedge 54 and wedge 52 looks adaptation, one side bottom fixedly connected with cooperation piece 43 of screen cloth 4, cooperation piece 43 and the top fixed connection of activity wedge 54, the cover is equipped with second spring 55 on the pole wall of activity wedge 54, the both ends of second spring 55 respectively with cooperation piece 43 and fixed cover 53 fixed connection, realized the vibration of screen cloth 4 through the up-and-down motion of activity wedge 54 and second spring 55, be favorable to improving the screening effect of screen cloth 4, prevent that the screen cloth 4 mesh from blockking up.

One end and curb plate 322 fixed connection of connecting rod 8, the one end fixed mounting that curb plate 322 was kept away from to connecting rod 8 has installation piece 81, one side fixedly connected with cooperation rack 82 that connecting rod 8 was kept away from to installation piece 81, cooperation rack 82 and the cooperation of cooperation gear 5 set up, are convenient for provide power support for the vibration of screen cloth 4.

The fixed cover of being equipped with of intermediate position department of screen cloth 4 is equipped with fixed cover 41, the inside of fixed cover 41 is provided with first spring 42, the both ends of first spring 42 respectively with two screen cloth 4's side fixed connection, avoid screen cloth 4 to interfere the card when the vibration and die.

A scraping plate 12 is integrally formed at the bottom end of the first material gathering plate 11 positioned at the left side in the box body 1, and the bottom end of the scraping plate 12 is in rolling contact with the outer periphery side of the separation roller 13, so that powder adhered on the separation roller 13 can be scraped off conveniently.

Two collection frames 18 have been placed to the inner chamber bottom of box 1, and two collection frame 18 is located separation drum 13 under and electrostatic electrode 15 respectively, the second through-hole 17 has all been run through to the both sides bottom of box 1, second through-hole 17 and collection frame 18 looks adaptation are convenient for the staff will collect frame 18 and take out from box 1.

As shown in fig. 1 to 5, the implementation scenario specifically includes: when the collecting assembly 7 moves to the right side, the matching rack 82 moves to the left side, the matching rack 82 moves downwards to be meshed with the matching gear 5 to drive the matching gear 5 to rotate, the rotating disc 51 is driven to rotate under the transmission of the belt pulley assembly, the wedge block 52 rotates along with the rotation of the rotating disc and does not stop rotating to extrude the movable wedge rod 54, the movable wedge rod 54 is extruded to move upwards and combines the elasticity of the second spring 55, the screen 4 vibrates along the hinged side, the screening efficiency of the screen 4 is improved, the screen 4 vibrates, large particles which do not penetrate through can be conveniently shaken onto the L-shaped plate 6, and the function of collecting the large particles in a concentrated manner is realized; this embodiment has specifically solved the problem that screen cloth screening efficiency is low that exists among the prior art.

In summary, the following steps: according to the invention, waste circuit boards are poured into the crushing box 2 from an opening at the top, the crushing roller 21 rotates to crush the circuit boards into small pieces, the crushing roller 23 rotates to further crush the small pieces of materials into powdery metal particles and resin particles, the mixed powder particles are sieved by the screen 4, larger particles fall on the upper surface of the screen 4, the small particles fall on the separation roller 13 under the material gathering action of the first material gathering plate 11 through the screen 4, and the function of classifying and collecting the powder particles by the device is realized under the action of the corona electrode 14 and the electrostatic electrode 15; the material receiving assembly 7 and the matching rack 8 are arranged, and the chain wheel 31 is matched with the chain 32 to drive the fixing block 321 to move, so that the functions of automatically collecting and secondarily crushing materials which do not penetrate through the screen 4 are realized, and the function of improving the screening efficiency by vibrating the screen 4 is realized by matching the rack 8 and the matching gear 5 to be meshed.

And finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a categorised recovery plant of old and useless circuit board, includes box (1), its characterized in that: the top of box (1) runs through and installs broken case (2), movable mounting has two intermeshing's crushing roller (21) between two inner walls of broken case (2), the below of crushing roller (21) is provided with four intermeshing's crushing roller (23), the bottom of broken case (2) runs through and has seted up the discharge gate, it has screen cloth (4) to articulate on one side inner wall of box (1), movable mounting has separation drum (13) that is located screen cloth (4) below between the inner wall of box (1), equal fixed mounting has first gathering flitch (11) that is located between screen cloth (4) and separation drum (13) on the both sides inner wall of box (1), the bottom fixed mounting of first gathering flitch (11) has corona electrode (14), the inside of box (1) is provided with static electrode (15) that are located corona electrode (14) below, the outer side of the box body (1) is fixedly provided with an installation plate (3);

the equal movable mounting in positive side top and bottom of mounting panel (3) has sprocket (31), two be provided with chain (32) between sprocket (31), movable mounting has fixed block (321) that two sets of symmetries set up on chain (32), the equal fixedly connected with curb plate (322) in both ends of fixed block (321), one side movable mounting that fixed block (321) are close to chain (32) has pivot (35), pivot (35) activity runs through chain (32) and fixed mounting has cross (36), the equal fixedly connected with slider (361) of four tip of cross (36), vertical direction and interior spout (33) that are located chain (32) inboard are seted up to the positive side of mounting panel (3), outer annular spout (34) that are located chain (32) are seted up to the positive side of mounting panel (3), the tip and outer annular spout (34) of interior spout (33) communicate each other, the sliding block (361) is in sliding fit with the inner sliding groove (33) and the outer annular sliding groove (34), and the outer sides of the two fixed blocks (321) are respectively provided with a material receiving assembly (7) and a connecting rod (8);

the receiving assembly (7) comprises a bottom plate (71), the bottom plate (71) is fixedly connected with a side plate (322), a groove (72) is formed in the top of the bottom plate (71), a receiving plate (73) of an L-shaped structure is hinged to one side edge, far away from the side plate (322), of the bottom plate (71), an electric telescopic rod (74) is hinged to one side of the bottom of the groove (72), the top end of the electric telescopic rod (74) is hinged to the bottom of the receiving plate (73), a first through hole (16) is formed in one side, close to a mounting plate (3), of the box body (1) in a penetrating mode, an L-shaped plate (6) is arranged inside the first through hole (16), a damping rotating shaft (62) is arranged on the right-angle side of the L-shaped plate (6), the L-shaped plate (6) is hinged to the first through hole (16) through the damping rotating shaft (62), and an, one side and screen cloth (4) fixed connection of L shaped plate (6) are kept away from in elasticity rubber skin (63), screen cloth (4) and L shaped plate (6) all set up with box (1) inner wall slope, one side integrated into one piece that curb plate (322) were kept away from in receipts flitch (73) has sharp limit (75), one side integrated into one piece of L shaped plate (6) has lug (61) that extend to outside first through-hole (16), sharp limit (75) and first through-hole (16) cooperation set up.

2. The waste circuit board classification and recovery equipment according to claim 1, characterized in that: the equal fixed mounting in both sides inner wall of broken case (2) has second dimer board (22) that the slope set up, second dimer board (22) are located between crushing roller (21) and crushing roller (23), one side that broken case (2) are close to mounting panel (3) is run through and has been seted up material return hole (24), second dimer board (22) run through material return hole (24) and extend to outside broken case (2), just second dimer board (22) extend to one side and sharp limit (75) side parallel and level setting outside material return hole (24).

3. The waste circuit board classification and recovery equipment according to claim 1, characterized in that: box (1) is close to one side inner wall movable mounting of mounting panel (3) has cooperation gear (5), it is connected with rolling disc (51) to rotate between the inner wall of box (1), connect through belt pulley transmission between rolling disc (51) and cooperation gear (5), the top of first flitch (11) of gathering runs through and has seted up arc hole (111), wedge (52) that the periphery side fixedly connected with annular array of rolling disc (51) distributes, wedge (52) activity is located in arc hole (111).

4. The waste circuit board classification and recovery equipment according to claim 3, characterized in that: fixed cover (53) of fixedly connected with on box (1) is close to the inner wall of mounting panel (3), the inside activity of fixed cover (53) runs through and installs activity wedge (54), activity wedge (54) and wedge (52) looks adaptation, one side bottom fixedly connected with cooperation piece (43) of screen cloth (4), cooperation piece (43) and the top fixed connection of activity wedge (54), the cover is equipped with second spring (55) on the pole wall of activity wedge (54), the both ends of second spring (55) respectively with cooperation piece (43) and fixed cover (53) fixed connection.

5. The waste circuit board classification and recovery equipment according to claim 3, characterized in that: one end and curb plate (322) fixed connection of connecting rod (8), the one end fixed mounting that curb plate (322) were kept away from in connecting rod (8) has installation piece (81), one side fixedly connected with cooperation rack (82) of connecting rod (8) are kept away from in installation piece (81), cooperation rack (82) and cooperation gear (5) cooperation setting.

6. The waste circuit board classification and recovery equipment according to claim 1, characterized in that: the fixed cover (41) of fixed cover is equipped with in the intermediate position department of screen cloth (4), the inside of fixed cover (41) is provided with first spring (42), the both ends of first spring (42) respectively with the side fixed connection of two screen cloths (4).

7. The waste circuit board classification and recovery equipment according to claim 1, characterized in that: the bottom end of the first material gathering plate (11) positioned on the left side in the box body (1) is integrally formed with a scraping plate (12), and the bottom end of the scraping plate (12) is in rolling contact with the outer periphery side of the separating roller (13).

8. The waste circuit board classification and recovery equipment according to claim 1, characterized in that: two collection frames (18) have been placed to the inner chamber bottom of box (1), and two collection frame (18) are located separation cylinder (13) under and electrostatic electrode (15) respectively, second through-hole (17) have all been seted up in the both sides bottom of box (1) through, second through-hole (17) and collection frame (18) looks adaptation.