CN212791275U - Negative pressure type light material separation equipment - Google Patents

Abstract

The utility model provides a negative pressure type light material separation device, which comprises a working box body, a moving wheel, a conveying frame, a driven roller, a driving roller, a conveying belt, a crushable conveying barrel structure, a rotatable sorting pipe structure, a detachable vibration filter cover structure, a conveying motor, a fixed frame, a separation unit, an exhaust pipe, a storage box, an L-shaped supporting plate, a diesel generator set and a power unit, wherein the moving wheel is respectively connected with the four corners of the lower end of the working box body in a shaft connection manner; the conveying frame is connected to the middle position of the left side of the inner wall of the working box body through bolts. The utility model discloses z type aspiration channel, the coiled pipe, trapezoidal cover, the connecting pipe, the draught fan, conveyer belt and separator unit mutually support's setting is favorable to making trapezoidal cover produce suction through draught fan and separator unit during operation, then separates shredded paper piece, shredded plastics, has certain purification effect to the organic substance after sorting.

Description

Negative pressure type light material separation equipment

Technical Field

The utility model belongs to the technical field of splitter, especially, relate to a light material splitter of negative pressure formula.

Background

The integrated garbage crushing and sorting device is movable crushing and sorting equipment developed for the characteristic that domestic garbage in villages is not easy to collect, and the power of the equipment mainly is a diesel generator, so that after the domestic garbage is crushed, combustible and incombustible are separated through screening.

However, the existing light material separation equipment has the problems that the garbage is not convenient to crush in the using process, the work is affected due to easy blockage in the garbage crushing process, and the light material separation is not convenient.

Therefore, it is necessary to develop a light material separation apparatus of negative pressure type.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a light material splitter of negative pressure formula to solve current light material splitter and have inconvenient in-process that uses and carry out shredding to rubbish, block up the problem that influences work and inconvenient carry out light material separation easily at shredding rubbish in-process. A negative pressure type light material separation device comprises a working box body, moving wheels, a conveying frame, a driven roller, a driving roller, a conveying belt, a crushable conveying barrel structure, a rotatable sorting pipe structure, a detachable vibration filter cover structure, a conveying motor, a fixing frame, a separation unit, an exhaust pipeline, a storage box, an L-shaped supporting plate, a diesel generator unit and a power unit, wherein the moving wheels are respectively connected to the four corners of the lower end of the working box body in a shaft mode; the conveying frame is connected to the middle position of the left side of the inner wall of the working box body through a bolt; the driven roller is coupled to the middle position of the left side in the conveying frame in a shaft mode; the driving roller is arranged in the middle of the right side in the conveying frame; the driving roller is in transmission connection with the driven roller through a conveying belt; the crushable conveying barrel structure is arranged in the middle of the upper end of the working box body; the rotatable sorting pipe structure is arranged on the left side inside the working box body; the detachable vibration filter cover structure is arranged on the left side of the middle position of the upper end of the working box body; the conveying motor is connected to the middle position of the left side of the front surface of the working box body through a bolt; the fixing frames are respectively bolted on the left side and the right side of the middle position of the top end in the working box body; the separating unit is connected to the middle position of the inner bottom end of the working box body through a bolt; the left flange of the exhaust pipeline is connected to the upper part of the right side of the separation unit; the storage box is connected to the middle position of the lower end of the working box body through a bolt; the L-shaped supporting plate is connected to the lower part of the inner wall of the right side of the working box body through bolts; the diesel generator set is connected to the middle position of the upper end of the L-shaped supporting plate through a bolt; the power unit is connected to the middle position of the right side of the bottom end in the working box body through a bolt; the smashing conveying barrel structure comprises a smashing barrel, a funnel, a transmission pipe, a smashing blade, a smashing motor and a cleaning block, wherein the lower end of the funnel is welded on the right side of the upper end of the smashing barrel; the transmission pipe is connected to the outer wall of the output shaft of the crushing motor through a key; the crushing blades are sequentially bolted at the upper end and the lower end of the transmission pipe from left to right; the crushing motor is connected to the middle position of the right side of the crushing barrel through a bolt; the cleaning blocks are respectively connected to the left side of the upper end and the left side of the lower end of the transmission pipe through bolts.

Preferably, the rotatable sorting pipe structure comprises a z-shaped air suction pipe, a coiled pipe, a trapezoidal cover, a connecting pipe and an induced draft fan, wherein the coiled pipe is sequentially bolted on the left side of the lower end of the z-shaped air suction pipe from left to right; the lower ends of the coiled pipes are respectively connected to the upper ends of the trapezoidal covers through bolts; the lower end of the connecting pipe is in bolted connection with the middle position of the upper end of the induced draft fan; the upper end of the connecting pipe is in threaded connection with the right side of the lower end of the z-shaped air suction pipe.

Preferably, the detachable vibration filter cover structure comprises a connecting cover, a vibration motor, a fixing cover and a filter screen, wherein the upper end of the vibration motor is in bolted connection with the middle position inside the lower side of the connecting cover; the upper end of the fixed cover is connected to the outer wall of the output shaft of the vibration motor through a bolt; the filter screen screw is connected to the left side of the inner wall of the fixed cover.

Preferably, the output shaft of the conveying motor penetrates through the working box body and the conveying frame respectively; the driving roller is connected to the outer wall of the output shaft of the conveying motor in a key manner; the left side of the conveying frame penetrates through the middle position of the left side of the working box body; the lower end of the exhaust pipeline penetrates through the inner bottom end of the working box body and the middle position of the upper end of the storage box body, and the power unit and the movable wheel transmission shaft are connected.

Preferably, the output shaft of the crushing motor penetrates through the middle position of the right side of the crushing barrel; the transmission pipe and the crushing blade are arranged in the middle of the inside of the crushing barrel; the left side of the transmission pipe is coupled to the middle position inside the left side of the crushing barrel; the crushing barrel is made of a stainless steel pipe with a leakage hole on the left side; the funnel adopts trapezoidal stainless steel funnel.

Preferably, the crushing barrels respectively penetrate through the middle positions inside the fixing frame; the funnel is arranged at the upper part between the fixing frames; the crushing barrel is connected with the fixing frame through bolts; the cleaning block is a PVC block with a right side glued with a threaded pipe.

Preferably, the connecting pipe is a stainless steel pipe with a stainless steel net connected with the upper part of the inner wall through a screw; the z-shaped air suction pipe is communicated with the coiled pipe.

Preferably, the right side of the z-shaped air suction pipe is connected to the upper part of the left side of the separation unit; the induced draft fan is connected to the left side position in the middle of the bottom end in the working box body through a bolt; the induced draft fan is arranged on the left side of the separator unit; the distance between the lower end of the trapezoidal cover and the upper end of the conveying belt is set to be 200 MM.

Preferably, the connecting cover adopts a stainless steel seat with a groove arranged in the middle of the lower end; the filter screen adopts a stainless steel net.

Preferably, the connecting cover is connected to the left side of the middle position of the upper end of the working box body through a bolt; the vibration motor penetrates through the left side of the middle position of the upper end of the working box body; the fixed cover is sleeved on the outer wall of the left side of the crushing barrel.

Preferably, the conveying motor is a speed reducing motor with the model of TCH/V-200; the vibration motor is specifically a vibration motor with the model number of YZS/YZU-30-6B; the crushing motor specifically adopts an alternating current motor with the model number of YE 3.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, z type aspiration channel, the coiled pipe, trapezoidal cover, the connecting pipe, the draught fan, conveyer belt and separator unit mutually support's setting is favorable to making trapezoidal cover produce suction through draught fan and separator unit during operation, then separates shredded paper piece, shredded plastics, has certain purification effect to the organic substance after sorting.

2. The utility model discloses in, crushing bucket, the funnel, the driving pipe smashes the blade, smashes the setting of motor and clearance piece, is favorable to carrying out the separation work to domestic waste at the in-process of work, prevents the too big separation work that influences of shredded paper piece, shredded plastic volume in the rubbish.

3. The utility model discloses in, connection lid, shock dynamo, fixed lid and filter screen and crushing bucket's setting be favorable to driving fixed lid and filter screen through shock dynamo and shake at work, the convenience is to carrying out the separation work to the rubbish after smashing.

4. The utility model discloses in, z type aspiration channel, the coiled pipe, trapezoidal cover, the setting of connecting pipe and draught fan is favorable to rotating the angle of coiled pipe in work, drives trapezoidal cover and rotates, conveniently carries out the separation work in work.

5. The utility model discloses in, connection lid, shock dynamo, the setting of fixed lid and filter screen and work box is favorable to dismantling fixed lid and filter screen at work, conveniently shakes the separation work at work.

6. The utility model discloses in, the work box, the carriage, the driven voller, the drive roll, the setting of mutually supporting of conveyer belt and crushing bucket is favorable to carrying the work through the conveyer belt to the rubbish after smashing in work.

7. The utility model discloses in, the work box, remove the wheel, L type backup pad, diesel generating set and power unit's setting is favorable to providing power for power unit through diesel generating set in work, then makes power unit move work for equipment provides power.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the crushable transfer drum structure of the present invention.

Fig. 3 is a schematic structural view of the rotatable sorting pipe structure of the present invention.

Fig. 4 is a schematic structural view of the detachable vibration filtering cover structure of the present invention.

In the figure:

1. a working box body; 2. a moving wheel; 3. a carriage; 4. a driven roller; 5. a drive roll; 6. a conveyor belt; 7. a crushable conveyor barrel structure; 71. a crushing barrel; 72. a funnel; 73. a drive tube; 74. a crushing blade; 75. a grinding motor; 76. cleaning the block; 8. a rotatable sorting tube structure; 81. a z-shaped air suction pipe; 82. a serpentine tube; 83. a trapezoidal cover; 84. a connecting pipe; 85. an induced draft fan; 9. the vibration filter cover structure can be disassembled; 91. a connecting cover; 92. vibrating a motor; 93. a fixed cover; 94. a filter screen; 10. a conveying motor; 11. a fixed mount; 12. separating the machine set; 13. an exhaust duct; 14. a storage box; 15. an L-shaped support plate; 16. a diesel generator set; 17. a power unit.

Detailed Description

The present invention is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, a negative pressure type light material separating device comprises a work box body 1, a moving wheel 2, a conveying frame 3, a driven roller 4, a driving roller 5, a conveying belt 6, a crushable conveying barrel structure 7, a rotatable sorting pipe structure 8, a detachable vibration filter cover structure 9, a conveying motor 10, a fixing frame 11, a separating unit 12, an exhaust duct 13, a storage box 14, an L-shaped supporting plate 15, a diesel generator set 16 and a power unit 17, wherein the moving wheel 2 is respectively connected to the four corners of the lower end of the work box body 1 in a shaft manner; the conveying frame 3 is connected to the middle position of the left side of the inner wall of the working box body 1 through a bolt; the driven roller 4 is coupled at the middle position of the left side in the conveying frame 3; the driving roller 5 is arranged in the middle position of the right side inside the conveying frame 3; the driving roller 5 is in transmission connection with the driven roller 4 through a conveying belt 6; the crushable conveying barrel structure 7 is arranged in the middle of the upper end of the working box body 1; the rotatable sorting pipe structure 8 is arranged on the left side inside the working box body 1; the detachable vibration filter cover structure 9 is arranged on the left side of the middle position of the upper end of the working box body 1; the conveying motor 10 is connected to the middle position of the left side of the front surface of the working box body 1 through a bolt; the fixed frames 11 are respectively bolted on the left side and the right side of the middle position of the top end in the working box body 1; the separating unit 12 is connected to the middle position of the inner bottom end of the working box body 1 through a bolt; the left flange of the exhaust duct 13 is connected to the upper part of the right side of the separating unit 12; the storage box 14 is connected to the middle position of the lower end of the working box body 1 through a bolt; the L-shaped supporting plate 15 is connected to the lower part of the inner wall of the right side of the working box body 1 through bolts; the diesel generating set 16 is connected to the middle position of the upper end of the L-shaped supporting plate 15 through a bolt; the power unit 17 is connected to the middle position of the right side of the bottom end in the working box body 1 through a bolt; the crushable conveying barrel structure 7 comprises a crushing barrel 71, a hopper 72, a transmission pipe 73, a crushing blade 74, a crushing motor 75 and a cleaning block 76, wherein the lower end of the hopper 72 is welded at the right side of the upper end of the crushing barrel 71; the transmission pipe 73 is in key connection with the outer wall of the output shaft of the crushing motor 75; the crushing blades 74 are sequentially connected to the upper end and the lower end of the transmission pipe 73 from left to right through bolts; the crushing motor 75 is connected to the middle position of the right side of the crushing barrel 71 through a bolt; the cleaning block 76 is respectively connected to the left side of the upper end and the left side of the lower end of the transmission pipe 73 through bolts; when the garbage crusher is used, the garbage crusher starts to work through the diesel generator set 16, power is supplied to the power unit 17, then the power unit 17 starts to work to drive the movable wheel 2 to rotate, the work box body 1 is moved to a position where work is needed, then the garbage crusher starts to work, household garbage is poured into the hopper 72 through equipment, then the household garbage enters the crushing barrel 71, the crushing motor 75 drives the transmission pipe 73 and the crushing blade 74 to rotate, the garbage is crushed, and then the crushed garbage falls on the upper end of the conveying belt 6 through a through hole formed in the left side of the crushing barrel 71 to be conveyed.

In this embodiment, referring to fig. 3, the rotatable sorting pipe structure 8 includes a z-shaped air suction pipe 81, a serpentine pipe 82, a trapezoidal cover 83, a connecting pipe 84 and an induced draft fan 85, wherein the serpentine pipe 82 is sequentially bolted to the left side of the lower end of the z-shaped air suction pipe 81 from left to right; the lower ends of the coiled pipes 82 are respectively bolted to the upper ends of the trapezoidal covers 83; the lower end of the connecting pipe 84 is connected with the middle position of the upper end of the induced draft fan 85 through a bolt; the upper end of the connecting pipe 84 is in threaded connection with the right side of the lower end of the z-shaped air suction pipe 81; when the smashed garbage is conveyed, suction force is generated inside the z-shaped air suction pipe 81 when the induced draft fan 85 works, then the garbage at the upper end of the conveying belt 6 is adsorbed by the trapezoidal cover 83, light materials in the garbage enter the separating unit 12 through the z-shaped air suction pipe 81, then the light materials are pushed by power generated when the separating unit 12 works, the light materials are made to be spiral running tracks and enter the storage box 14 through the exhaust pipeline 13, and then the light materials are conveyed to a proper position by the conveying equipment arranged inside the storage box 14, so that the work is completed.

In this embodiment, as shown in fig. 4, the detachable vibration filter cover structure 9 includes a connection cover 91, a vibration motor 92, a fixing cover 93 and a filter screen 94, wherein an upper end of the vibration motor 92 is bolted to a middle position inside a lower side of the connection cover 91; the upper end of the fixed cover 93 is bolted to the outer wall of the output shaft of the vibration motor 92; the filter screen 94 is in screw connection with the left side of the inner wall of the fixed cover 93; cup joint on the outer wall left side of smashing bucket 71 through fixed lid 93 at the in-process of work, then drive fixed lid 93 and filter screen 94 through shock dynamo 92 and shake, make the rubbish after smashing fall on the upper end of conveyer belt 6 behind the filter screen 94, prevent that the too big light material separation work of influence of rubbish volume.

In this embodiment, specifically, the output shaft of the conveying motor 10 penetrates through the work box 1 and the conveying frame 3 respectively; the driving roller 5 is connected with the outer wall of the output shaft of the conveying motor 10 in a key mode; the left side of the conveying frame 3 penetrates through the middle position of the left side of the working box body 1; the lower end of the exhaust duct 13 is respectively connected with the power unit 17 and the transmission shaft of the movable wheel 2 at the middle position of the upper end of the storage box 14 and the inner bottom end of the work box body 1.

In this embodiment, specifically, the output shaft of the pulverizing motor 75 penetrates through the middle position of the right side of the pulverizing barrel 71; the transmission pipe 73 and the crushing blade 74 are arranged in the middle of the inner part of the crushing barrel 71; the left side of the transmission pipe 73 is coupled to the middle position inside the left side of the crushing barrel 71; the crushing barrel 71 adopts a stainless steel pipe with a leak hole on the left side; the funnel 72 is a trapezoidal stainless steel funnel.

In this embodiment, specifically, the crushing barrels 71 respectively penetrate through the middle positions inside the fixing frame 11; the funnel 72 is arranged at the upper part between the fixed frames 11; the crushing barrel 71 is connected with the fixing frame 11 through bolts; the cleaning block 76 is made of a PVC block with a right side glued with a threaded pipe.

In this embodiment, specifically, the connecting pipe 84 is a stainless steel pipe with a stainless steel net screwed on the upper portion of the inner wall; the z-shaped air suction pipe 81 is communicated with the coiled pipe 82.

In this embodiment, specifically, the right side of the z-shaped air suction pipe 81 is connected to the upper part of the left side of the separator set 12; the induced draft fan 85 is connected to the left side position of the middle of the inner bottom end of the working box body 1 through a bolt; the induced draft fan 85 is arranged on the left side of the separator unit 12; the distance from the lower end of the trapezoidal cover 83 to the upper end of the conveying belt 6 is set to be 200 MM.

In this embodiment, specifically, the connecting cover 91 is a stainless steel seat with a groove formed in the middle of the lower end; the filter screen 94 is made of stainless steel mesh.

In this embodiment, specifically, the connecting cover 91 is bolted to the left side of the middle position of the upper end of the work box body 1; the vibration motor 92 penetrates through the left side of the middle position of the upper end of the working box body 1; the fixed cover 93 is sleeved on the outer wall of the left side of the crushing barrel 71.

In this embodiment, specifically, the conveying motor 10 specifically adopts a speed reducing motor with the model of TCH/V-200; the vibration motor 92 is a vibration motor with the model number YZS/YZU-30-6B; the grinding motor 75 specifically adopts an alternating current motor with the model number of YE 3.

Principle of operation

In the utility model, when in use, the diesel generator set 16 starts to work to supply power to the power unit 17, then the power unit 17 starts to work to drive the movable wheel 2 to rotate, the work box body 1 is moved to a position where work is needed, then the work is started, the domestic garbage is poured into the funnel 72 through the equipment and then enters the crushing barrel 71, the crushing motor 75 drives the transmission pipe 73 and the crushing blade 74 to rotate, the garbage is crushed, the crushed garbage falls on the upper end of the conveying belt 6 through the through hole arranged on the left side of the crushing barrel 71 to carry out conveying work, when the crushed garbage is conveyed, the suction force is generated inside the z-shaped air suction pipe 81 through the draught fan 85, then the garbage on the upper end of the conveying belt 6 is adsorbed through the trapezoid cover 83, light substances in the garbage enter the separating unit 12 through the z-shaped air suction pipe 81, then promote the light material through the power that separation unit 12 during operation produced, make the light material become spiral helicine orbit and get into the inside of depositing case 14 through exhaust duct 13, then make the transmission equipment who deposits the inside setting of case 14 carry the light material to suitable position, accomplish work, cup joint on the outer wall left side of smashing bucket 71 through fixed lid 93 at the in-process of work, then drive fixed lid 93 and filter screen 94 through shock dynamo 92 and shake, make the rubbish after smashing fall on the upper end of conveyer belt 6 behind filter screen 94, prevent that the rubbish volume from too big influence light material separation work.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (10)

1. The negative pressure type light material separation equipment is characterized by comprising a working box body (1), moving wheels (2), a conveying frame (3), a driven roller (4), a driving roller (5), a conveying belt (6), a crushable conveying barrel structure (7), a rotatable sorting pipe structure (8), a detachable vibration filter cover structure (9), a conveying motor (10), a fixing frame (11), a separation unit (12), an exhaust pipeline (13), a storage box (14), an L-shaped supporting plate (15), a diesel generator set (16) and a power unit (17), wherein the moving wheels (2) are respectively coupled at four corners of the lower end of the working box body (1); the conveying frame (3) is connected to the middle position of the left side of the inner wall of the working box body (1) through a bolt; the driven roller (4) is coupled to the middle position of the left side inside the conveying frame (3) in a shaft mode; the driving roller (5) is arranged in the middle position of the right side in the conveying frame (3); the driving roller (5) is in transmission connection with the driven roller (4) through a conveying belt (6); the crushable conveying barrel structure (7) is arranged in the middle of the upper end of the working box body (1); the rotatable sorting pipe structure (8) is arranged on the left side inside the working box body (1); the detachable vibration filter cover structure (9) is arranged on the left side of the middle position of the upper end of the working box body (1); the conveying motor (10) is connected to the middle position of the left side of the front surface of the working box body (1) through a bolt; the fixing frames (11) are respectively connected to the left side and the right side of the middle position of the top end in the working box body (1) through bolts; the separating unit (12) is connected to the middle position of the inner bottom end of the working box body (1) through bolts; the left flange of the exhaust duct (13) is connected to the upper part of the right side of the separating unit (12); the storage box (14) is connected to the middle position of the lower end of the working box body (1) through bolts; the L-shaped supporting plate (15) is connected to the lower part of the inner wall of the right side of the working box body (1) through bolts; the diesel generator set (16) is connected to the middle position of the upper end of the L-shaped support plate (15) through a bolt; the power unit (17) is connected to the middle position of the right side of the bottom end in the work box body (1) through a bolt; the conveying barrel structure (7) capable of being smashed comprises a smashing barrel (71), a funnel (72), a transmission pipe (73), a smashing blade (74), a smashing motor (75) and a cleaning block (76), wherein the lower end of the funnel (72) is welded on the right side of the upper end of the smashing barrel (71); the transmission pipe (73) is connected with the outer wall of the output shaft of the crushing motor (75) in a key way; the crushing blades (74) are sequentially connected to the upper end and the lower end of the transmission pipe (73) through bolts from left to right; the crushing motor (75) is connected to the middle position of the right side of the crushing barrel (71) through a bolt; the cleaning blocks (76) are respectively connected to the left side of the upper end and the left side of the lower end of the transmission pipe (73) through bolts.

2. The negative pressure type light material separating device of claim 1, wherein the rotatable sorting pipe structure (8) comprises a z-shaped air suction pipe (81), a serpentine pipe (82), a trapezoidal cover (83), a connecting pipe (84) and an induced draft fan (85), and the serpentine pipe (82) is sequentially bolted on the left side of the lower end of the z-shaped air suction pipe (81) from left to right; the lower ends of the coiled pipes (82) are respectively connected to the upper ends of the trapezoidal covers (83) through bolts; the lower end of the connecting pipe (84) is in bolted connection with the middle position of the upper end of the induced draft fan (85); the upper end of the connecting pipe (84) is in threaded connection with the right side of the lower end of the z-shaped air suction pipe (81).

3. The negative pressure type light material separating device of claim 1, wherein the detachable vibration filter cover structure (9) comprises a connecting cover (91), a vibration motor (92), a fixed cover (93) and a filter screen (94), the upper end of the vibration motor (92) is bolted at the middle position inside the lower side of the connecting cover (91); the upper end of the fixed cover (93) is connected to the outer wall of an output shaft of the vibration motor (92) through a bolt; the filter screen (94) is connected to the left side of the inner wall of the fixed cover (93) through screws.

4. The negative pressure type light material separating apparatus as claimed in claim 1, wherein the output shaft of the conveying motor (10) penetrates the work box (1) and the conveying frame (3), respectively; the driving roller (5) is connected with the outer wall of the output shaft of the conveying motor (10) in a key mode; the left side of the conveying frame (3) penetrates through the middle position of the left side of the working box body (1); the lower end of the exhaust pipeline (13) respectively penetrates through the inner bottom end of the working box body (1) and the upper end middle position power unit (17) of the storage box (14) and is connected with the transmission shaft of the moving wheel (2).

5. The negative pressure type light material separating apparatus as claimed in claim 1, wherein the output shaft of the pulverizing motor (75) penetrates through the right middle position of the pulverizing barrel (71); the transmission pipe (73) and the crushing blade (74) are arranged in the middle of the inner part of the crushing barrel (71); the left side of the transmission pipe (73) is coupled to the middle position inside the left side of the crushing barrel (71); the crushing barrel (71) adopts a stainless steel pipe with a leak hole on the left side; the funnel (72) adopts a trapezoidal stainless steel funnel.

6. The negative pressure type light material separating apparatus as claimed in claim 1, wherein the pulverizing barrels (71) respectively penetrate through the inner middle positions of the fixing frames (11); the funnel (72) is arranged at the upper part between the fixed frames (11); the crushing barrel (71) is connected with the fixing frame (11) through bolts; the cleaning block (76) is a PVC block with a right side glued with a threaded pipe.

7. The negative pressure type light material separating apparatus as claimed in claim 2, wherein the connecting pipe (84) is a stainless steel pipe having a stainless steel net screwed to an upper portion of an inner wall thereof; the z-shaped air suction pipe (81) is communicated with the coiled pipe (82).

8. The negative pressure type light material separating apparatus as claimed in claim 2, wherein the right side of the z-shaped suction pipe (81) is connected to the upper left side of the separator set (12); the induced draft fan (85) is connected to the left side position in the middle of the inner bottom end of the working box body (1) through a bolt; the induced draft fan (85) is arranged on the left side of the separator unit (12); the distance between the lower end of the trapezoidal cover (83) and the upper end of the conveying belt (6) is set to be 200 MM.

9. The negative pressure type light material separation device according to claim 3, wherein the connecting cover (91) adopts a stainless steel seat with a groove arranged in the middle of the lower end; the filter screen (94) adopts a stainless steel net.

10. The negative pressure type light material separating apparatus as claimed in claim 3, wherein the connecting cover (91) is bolted to the left side of the middle position of the upper end of the work box body (1); the vibration motor (92) penetrates through the left side of the middle position of the upper end of the working box body (1); the fixed cover (93) is sleeved on the outer wall of the left side of the crushing barrel (71).

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