CN112452718A

CN112452718A - Non ferrous metal sorting unit

Info

Publication number: CN112452718A
Application number: CN202011195431.XA
Authority: CN
Inventors: 叶宗欢
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-03-09

Abstract

The invention discloses a non-ferrous metal sorting device which comprises a base plate, wherein the upper surfaces of two sides of the base plate are respectively provided with an ash storage box and a sorting box, the upper surface of the ash storage box is provided with an ash screening box communicated with the ash storage box, a cleaning mechanism is arranged between the ash screening box and the sorting box, and the upper surface of the ash screening box is provided with a feeding mechanism communicated with the ash screening box. The invention relates to the technical field of metal separation, and in the non-ferrous metal separation device, two baffles are arranged in a feed inlet, so that dust can be blocked, and under the elasticity of a spring, when metal is poured into the feed inlet, the baffles can extrude a support rod on a sliding block, so that the sliding block can slide downwards, the two baffles are opened, the metal feeding work is facilitated, after the feeding is finished, the spring can enable the two baffles to close the feed inlet, the dust is prevented from escaping, the health of personnel is protected, and the personnel are prevented from sucking a large amount of dust.

Description

Non ferrous metal sorting unit

Technical Field

The invention relates to the technical field of metal separation, in particular to a non-ferrous metal separation device.

Background

Non-ferrous metals generally refer to all metals except iron (and sometimes manganese and chromium) and iron-based alloys, and can be classified into heavy metals (e.g., copper, lead, and zinc), light metals (e.g., aluminum and magnesium), noble metals (e.g., gold, silver, and platinum), and rare metals (e.g., tungsten, molybdenum, germanium, lithium, lanthanum, and uranium).

The invention with the Chinese patent number of CN111282712A discloses a non-ferrous metal sorting device, which comprises a box body, wherein three driving wheels are arranged in the box body, the three driving wheels are sleeved with the same conveying belt, permanent magnetic sheets parallel to the moving direction of the conveying belt are uniformly distributed on the side wall of the conveying belt, and the conveying belt positioned on the lower side is divided into a horizontal part and an inclined part. According to the invention, the non-ferrous metal and the ferrous metal can be separated by sucking the ferrous metal from the raw material to be separated in the material shaking box through the permanent magnet pieces, and the raw material to be separated can be fully contacted with the permanent magnet pieces when the permanent magnet pieces adsorb the ferrous metal from the material shaking box, so that the separation efficiency and the separation quality are improved.

The invention with Chinese patent number CN110813534A discloses a sorting device for nonferrous metal research, which comprises: the device comprises a support frame, a protective cover and a collection bin; and the inside of the support frame is respectively provided with a driving roller and a magnetic roller. According to the non-ferrous metal sorting device, three discharging bins with independent structures are adopted, and the circulating material returning mode of the material returning conveying belt and the spiral elevator is adopted, so that the materials after primary sorting can be guided into the sorting device again for circulating sorting operation, the mode that non-ferrous metals with small particle size cannot be sorted completely due to the traditional single sorting treatment is replaced, and the sorting and recycling rate of the non-ferrous metals is improved to the maximum extent.

In summary, the existing nonferrous metals have the following defects in screening:

1. when the metal is poured into the sorting box, because the metal contains a large amount of dust, a large amount of flying dust can be generated at the position of the feeding hole, and the metal is easy to be sucked into the lung by people;

2. when sorting nonferrous metals, dust in the metals can influence subsequent sorting effect, a cleaning device is not arranged for the metals, and although a part of the metals is also provided with the cleaning device, the cleaning effect is not ideal.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a non-ferrous metal sorting device, which solves the problems that metal contains a large amount of dust, a large amount of dust can be generated at a feed inlet and is easily sucked into the lung by personnel, the subsequent sorting effect can be influenced by the dust in the metal when the non-ferrous metal is sorted, a cleaning device is not arranged, and the cleaning effect is not ideal although a cleaning device is partially arranged.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a non ferrous metal sorting unit, includes the base plate, the both sides upper surface of base plate is provided with ash storage box and sorting box respectively, ash storage box's upper surface is provided with the sieve ash case that is linked together rather than, be provided with wiper mechanism between sieve ash case and the sorting box, the upper surface of sieve ash case is provided with the feed mechanism who is linked together rather than.

The cleaning mechanism comprises a water storage tank and a concave shell, the water storage tank is arranged on the upper surface of the substrate, the concave shell is obliquely arranged between the ash screening box and the sorting box, the front surface below the water storage box is embedded with a conveying pipe, the upper end of the conveying pipe is fixedly connected with a fixed pipe, the upper surface of the concave shell is uniformly connected with a water conveying cavity, two convex blocks are symmetrically arranged on the upper surfaces of the two sides of the concave shell, a double-shaft motor is fixedly arranged at the position between the two convex blocks on the upper surfaces of the two sides of the concave shell, two output shafts of the double-shaft motor are respectively embedded and rotatably arranged on one surface of the two lugs opposite to each other and fixedly connected with eccentric discs, one surfaces of one sides of the two eccentric discs back to each other are vertically and rotatably connected with eccentric rods, the interior slope slidable mounting of below of concave shell has trembles the flitch, tremble the flitch and evenly seted up the hole that leaks on the upper surface.

Feed mechanism is including the feed inlet, the equal slope of the inside both sides face in top of feed inlet is rotated and is connected with the baffle, and the equal symmetry in below position department that the inside both sides face of feed inlet is close to the baffle has seted up two recesses, the inside of recess is connected with the slide-spindle perpendicularly, slidable mounting is cup jointed to the surface of slide-spindle, and the lower extreme surface of slide-spindle cup joints slidable mounting has the spring, the both ends of spring are connected with the lower surface of slider and the inside fixed surface of recess respectively, one side of slider is rotated and is connected with the bracing piece.

Preferably, the front and rear surfaces of two sides below the concave shell are provided with sliding grooves corresponding to the eccentric rods, the lower ends of the eccentric rods are rotatably connected with adjusting shafts, and one end of each adjusting shaft respectively penetrates through the insides of the four sliding grooves in a sliding mode and is fixedly connected with four corners of the material shaking plate.

Preferably, a connecting pipe is embedded into one end of the water delivery cavity, one end of the connecting pipe is fixedly connected with the rear surface of the fixed pipe, spray heads are uniformly arranged on the lower surface of the water delivery cavity, and the spray heads are embedded into the upper surface of the concave shell.

Preferably, the inside horizontally connected with filter screen in the top of storage water tank, and the inside of storage water tank is provided with the water pump, the play water end of water pump and the one end fixed connection of conveyer pipe.

Preferably, two corners of the lower surface of one side of the baffle are both connected with a concave block, and the other end of the supporting rod is rotatably connected inside the concave block.

Preferably, when the spring is normal, the space between the two baffles is closed.

Preferably, the inside slope of sieve ash case is installed and is sieved grey otter board, sieve grey otter board's lower surface intermediate position department fixed mounting has a vibrating motor, and sieves the upper surface position department that a side of ash case is located sieve grey otter board and offer the blown down tank that matches with the spill shell, tremble the below that the flitch is located the blown down tank.

Preferably, a feeding groove matched with the concave shell is formed in one side face above the sorting box, and the material shaking plate is located above the feeding groove.

Preferably, the inside of separation box is located the upper and lower position department of feed chute and inclines respectively to be connected with electromagnetic plate and slide, the lower surface intermediate position department fixed mounting of slide has the second vibrating motor, the discharge gate corresponding with the slide has been seted up to another side of separation box.

Preferably, the position department that is located between electromagnetic plate and the slide of the rear surface of separation box is provided with the casing that is linked together with the separation box is inside, fixed surface installs the fan in the inside front of casing, and the place department of the inside place ahead that is located the fan of casing is connected with the heating pipe perpendicularly, the inside front surface of separation box is provided with the fender net corresponding with the casing.

Advantageous effects

The invention provides a non-ferrous metal sorting device, which has the following beneficial effects compared with the prior art:

(1) this non ferrous metal sorting unit, through set up two baffles in the feed inlet, can give the dust and block, and under the elasticity of spring, when pouring the metal into the feed inlet, the baffle can extrude the bracing piece on the slider, the slider will slide downwards like this, make two baffles open, the feeding work of the metal of being convenient for, after the feeding finishes, the spring can make two baffles give the feed inlet and seal, prevent that the dust from overflowing, the guard action has been played to personnel's health, avoid personnel to inhale a large amount of dust.

(2) This non ferrous metal sorting unit through setting up sieve ash case and wiper mechanism, before separating non ferrous metal, can give the screening with a large amount of dusts in the metal earlier, carries out cleaning operations to the metal afterwards again, simultaneously under double-shaft motor's rotation, can make and shake the continuous upper and lower shake of material board, improves the cleaning performance who shakes the metal on the flitch to be convenient for follow-up sorting operations to non ferrous metal.

(3) This non ferrous metal sorting unit through set up the filter screen in the water storage tank, when wasing the metal, the filter screen can carry out filtration treatment to the water after wasing, makes in clean rivers go into the water storage tank, can carry out cyclic utilization to water like this, has practiced thrift the water resource.

(4) This non ferrous metal sorting unit, through setting up fan and heating pipe, when sorting out non ferrous metal, under the heating of heating pipe, the fan can be with hot-blast to the metal, has played the stoving effect to the metal, makes the non ferrous metal sort out the back that finishes, and the staff of being convenient for clears up.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a schematic view of the cleaning mechanism of the present invention;

FIG. 3 is a schematic view of the water delivery chamber structure of the present invention;

FIG. 4 is a schematic view of the feed mechanism of the present invention with the structural parts broken away;

FIG. 5 is a schematic view of the interior of the ash box structure of the present invention;

fig. 6 is a schematic exploded view of the structure of the sorting box of the present invention.

In the figure: 1. a substrate; 2. a dust storage box; 3. screening an ash box; 31. screening the ash screen plate; 32. a first vibration motor; 33. a discharge chute; 4. a sorting box; 41. a feed chute; 42. an electromagnetic plate; 43. a slide plate; 44. a second vibration motor; 45. a housing; 46. a fan; 47. heating a tube; 48. blocking the net; 5. a cleaning mechanism; 51. a water storage tank; 5101. a filter screen; 52. a concave shell; 521. a chute; 522. an adjustment shaft; 53. a delivery pipe; 54. a fixed tube; 55. a water delivery cavity; 551. a connecting pipe; 552. a spray head; 56. a bump; 57. a double-shaft motor; 58. an eccentric disc; 59. an eccentric rod; 510. shaking the material plate; 511. a water leakage hole; 6. a feeding mechanism; 61. a feed inlet; 62. a baffle plate; 621. a concave block; 63. a groove; 64. a slide shaft; 65. a slider; 66. a spring; 67. a support rod.

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.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a non ferrous metal sorting unit, includes base plate 1, and base plate 1's both sides upper surface is provided with ash storage box 2 and sorting box 4 respectively, and ash storage box 2's upper surface is provided with sieve ash box 3 rather than being linked together, is provided with wiper mechanism 5 between sieve ash box 3 and the sorting box 4, and the upper surface of sieve ash box 3 is provided with the feed mechanism 6 rather than being linked together.

Referring to fig. 2-3, the cleaning mechanism 5 includes a water storage tank 51 and a concave shell 52, the water storage tank 51 is disposed on the upper surface of the base plate 1, the concave shell 52 is obliquely disposed between the ash screening box 3 and the sorting box 4, a conveying pipe 53 is embedded in the lower front surface of the water storage tank 51, a fixing pipe 54 is fixedly connected to the upper end of the conveying pipe 53, a water conveying cavity 55 is uniformly connected to the upper surface of the concave shell 52, two convex blocks 56 are symmetrically disposed on the upper surfaces of both sides of the concave shell 52, a double-shaft motor 57 is fixedly mounted on the upper surfaces of both sides of the concave shell 52 between the two convex blocks 56, two output shafts of the double-shaft motor 57 are respectively embedded and rotatably mounted on the opposite surfaces of the two convex blocks 56 and fixedly connected with eccentric discs 58, an eccentric rod 59 is vertically rotatably connected to the back surface of one side of the two eccentric discs 58, a material shaking, the upper surface of the material shaking plate 510 is uniformly provided with water leakage holes 511, the front and back surfaces of two sides below the concave shell 52 are respectively provided with sliding grooves 521 corresponding to the eccentric rods 59, the lower end of the eccentric rod 59 is rotatably connected with an adjusting shaft 522, one end of each adjusting shaft 522 respectively slides through the insides of the four sliding grooves 521 and is fixedly connected with four corners of the material shaking plate 510, the model of the double-shaft motor 57 is SC100-25, one end of the water conveying cavity 55 is embedded and installed with a connecting pipe 551, one end of the connecting pipe 551 is fixedly connected with the back surface of the fixed pipe 54, the lower surface of the water conveying cavity 55 is uniformly provided with spray heads 552, the spray heads 552 are embedded and installed on the upper surface of the concave shell 52, in order to spray water to metal and play a cleaning role to the metal, the upper inside of the water storage tank 51 is horizontally connected with a filter screen 5101, the inside of the water storage, in order to recycle water and save water resource.

Referring to fig. 4, the feeding mechanism 6 includes a feeding port 61, two side surfaces of the upper inside of the feeding port 61 are both obliquely and rotatably connected with a baffle 62, two grooves 63 are symmetrically formed in positions of the two side surfaces of the inside of the feeding port 61, which are close to the lower portion of the baffle 62, the inside of each groove 63 is vertically connected with a sliding shaft 64, a sliding block 65 is slidably mounted on the outer surface of each sliding shaft 64 in a sleeved mode, a spring 66 is slidably mounted on the outer surface of the lower end of each sliding shaft 64 in a sleeved mode, two ends of each spring 66 are respectively fixedly connected with the lower surface of each sliding block 65 and the lower surface of the corresponding groove 63 in the inner portion, a supporting rod 67 is rotatably connected to one side of each sliding block 65, two corners of the lower surface of one side of each baffle 62 are both connected with a concave block 621, the.

Referring to fig. 5, an ash screen plate 31 is obliquely installed inside the ash screen box 3, a first vibration motor 32 is fixedly installed at the middle position of the lower surface of the ash screen plate 31, a discharge chute 33 matched with the concave shell 52 is formed at the position, located on the upper surface of the ash screen plate 31, of one side surface of the ash screen box 3, the type of the first vibration motor 32 is CH/V, and the material shaking plate 510 is located below the discharge chute 33 and can smoothly enter the concave shell 52 for metal to enter the material shaking plate 510 inside the concave shell 52.

Referring to fig. 6, a feeding chute 41 matched with the concave shell 52 is formed on one side surface above the sorting box 4, a material shaking plate 510 is located above the feeding chute 41, in order to enable metal to smoothly enter the sorting box 4, an electromagnetic plate 42 and a sliding plate 43 are respectively connected to the upper and lower positions of the feeding chute 41 in the sorting box 4 in an inclined manner, a second vibrating motor 44 is fixedly installed at the middle position of the lower surface of the sliding plate 43, a discharge port corresponding to the sliding plate 43 is formed on the other side surface of the sorting box 4, the electromagnetic plate 42 can adsorb non-ferrous metals, the model of the second vibrating motor 44 is CH/V, a shell 45 communicated with the interior of the sorting box 4 is arranged at a position between the electromagnetic plate 42 and the sliding plate 43 on the rear surface of the sorting box 4, a fan 46 is fixedly installed on the front surface of the interior of the shell 45, and a heating pipe 47 is vertically connected to the position of the interior, the inner front surface of the sorting box 4 is provided with a blocking net 48 corresponding to the housing 45 in order to dry the metal.

And those not described in detail in this specification are well within the skill of those in the art.

Feeding work: the metal is poured into the feeding hole 61, when the metal is in contact with the upper surface of the baffle plate 62, the metal can extrude the upper surface of the baffle plate 62 under the elasticity of the spring 66, the baffle plate 62 can enable the sliding block 65 at one end of the supporting rod 67 to slide downwards on the sliding shaft 64, the two baffle plates 62 open the feeding hole 61, at the moment, the metal can fall into the ash screening box 3 from the feeding hole 61, when the metal on the baffle plate 62 completely falls down, the spring 66 can enable the sliding block 65 to slide upwards, the supporting rod 67 on the sliding block 65 can enable the baffle plate 62 to recover, and therefore the two baffle plates 62 can seal the original feeding hole 61 to prevent a large amount of dust from escaping.

Cleaning: when metal falls into the ash screening box 3, the first vibration motor 32 vibrates the ash screening net plate 31, the ash screening net plate 31 filters a large amount of dust in the metal, the dust falls into the ash storage box 2, the metal on the ash screening net plate 31 enters the material shaking plate 510 inside the water storage box 51 from the discharge chute 33, at this time, the power supplies of the double-shaft motor 57 and the water pump inside the water storage box 51 are respectively connected, the eccentric discs 58 of two output shafts of the double-shaft motor 57 rotate when the double-shaft motor 57 rotates, the eccentric discs 58 drive the eccentric rods 59 to do eccentric motion, so that the eccentric rods 59 drive the adjusting shafts 522 to slide up and down in the sliding chutes 521, the adjusting shafts 522 drive the material shaking plates 510 to shake up and down in the concave shell 52, the material shaking plates 510 drive the metal to shake, and the water pump pumps the water inside the water storage box 51 into the fixed pipe 54 from the conveying pipe 53, and then the water enters each water conveying cavity 55 through each connecting pipe, finally, the metal on the material shaking plate 510 is sprayed from the spray head 552 to be washed, the washing effect of the metal can be improved under the shaking of the metal, the washed water leaks from the water leakage holes 511 on the material shaking plate 510 and falls into the water storage tank 51, and the filter screen 5101 inside the water storage tank 51 can filter the washed water, so that the water can be recycled, and the water resource can be saved.

Sorting: the cleaned metal enters the sliding plate 43 inside the sorting box 4 from the feeding groove 41 on the sorting box 4, the second vibrating motor 44 enables the metal on the sliding plate 43 to shake, meanwhile, the power supply of the electromagnetic plate 42 is switched on, the electromagnetic plate 42 adsorbs non-ferrous metals, in the sorting process, the power supplies of the fan 46 and the heating pipe 47 are switched on, the heating pipe 47 can heat, the fan 46 blows hot air through the heating pipe 47, the hot air is enabled to blow to the metal through the blocking net 48, the metal can be dried, and finally the non-ferrous metals on the sliding plate 43 are discharged from the discharging hole on the sorting box 4.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. A non-ferrous metal sorting device comprises a base plate (1), and is characterized in that: the upper surfaces of two sides of the base plate (1) are respectively provided with an ash storage box (2) and a sorting box (4), the upper surface of the ash storage box (2) is provided with an ash screening box (3) communicated with the ash storage box, a cleaning mechanism (5) is arranged between the ash screening box (3) and the sorting box (4), and the upper surface of the ash screening box (3) is provided with a feeding mechanism (6) communicated with the ash screening box;

the cleaning mechanism (5) comprises a water storage tank (51) and a concave shell (52), the water storage tank (51) is arranged on the upper surface of the base plate (1), the concave shell (52) is obliquely arranged between the ash screening box (3) and the sorting box (4), a conveying pipe (53) is embedded in the front surface of the lower portion of the water storage tank (51), a fixing pipe (54) is fixedly connected to the upper end of the conveying pipe (53), a water conveying cavity (55) is uniformly connected to the upper surface of the concave shell (52), two convex blocks (56) are symmetrically arranged on the upper surfaces of the two sides of the concave shell (52), a double-shaft motor (57) is fixedly arranged on the upper surface of the two sides of the concave shell (52) at a position between the two convex blocks (56), two output shafts of the double-shaft motor (57) are respectively embedded and rotatably arranged on one surface of the two convex blocks (56) which are opposite to each other and are fixedly connected, one back-facing surface of one side of each of the two eccentric discs (58) is vertically and rotatably connected with an eccentric rod (59), a material shaking plate (510) is obliquely and slidably mounted in the lower part of the concave shell (52), and water leakage holes (511) are uniformly formed in the upper surface of the material shaking plate (510);

feed mechanism (6) are including feed inlet (61), the inside both sides face in top of feed inlet (61) all inclines to rotate and is connected with baffle (62), and the inside both sides face of feed inlet (61) is close to the equal symmetry in below position department of baffle (62) and has seted up two recess (63), the inside of recess (63) is connected with slide-shaft (64) perpendicularly, the surface of slide-shaft (64) is cup jointed slidable mounting and is had slider (65), and the lower extreme surface of slide-shaft (64) cup joints slidable mounting and has spring (66), the both ends of spring (66) respectively with the lower surface of slider (65) and the inside fixed surface of recess (63) be connected with bracing piece (67), one side of slider (65) is rotated and is connected with bracing piece (67).

2. A non-ferrous metal sorting apparatus as claimed in claim 1, wherein: the front surface and the rear surface of the two sides below the concave shell (52) are provided with sliding grooves (521) corresponding to the eccentric rods (59), the lower ends of the eccentric rods (59) are rotatably connected with adjusting shafts (522), and one end of each adjusting shaft (522) respectively penetrates through the interiors of the four sliding grooves (521) in a sliding mode and is fixedly connected with the four corners of the material shaking plates (510).

3. A non-ferrous metal sorting apparatus as claimed in claim 1, wherein: one end of the water delivery cavity (55) is embedded with a connecting pipe (551), one end of the connecting pipe (551) is fixedly connected with the rear surface of the fixed pipe (54), spray heads (552) are uniformly arranged on the lower surface of the water delivery cavity (55), and the spray heads (552) are embedded in the upper surface of the concave shell (52).

4. A non-ferrous metal sorting apparatus as claimed in claim 1, wherein: the inside level of the top of storage water tank (51) is connected with filter screen (5101), and the inside of storage water tank (51) is provided with the water pump, and the play water end of water pump and the one end fixed connection of conveyer pipe (53).

5. A non-ferrous metal sorting apparatus as claimed in claim 1, wherein: two corners of one side lower surface of baffle (62) all are connected with concave piece (621), the other end of bracing piece (67) is the inside of rotating and connecting in concave piece (621).

6. A non-ferrous metal sorting apparatus as claimed in claim 5, wherein: when the spring (66) is in a normal state, the space between the two baffles (62) is in a closed state.

7. A non-ferrous metal sorting apparatus as claimed in claim 1, wherein: sieve ash net board (31) are installed to the inside slope of sieve ash case (3), the lower surface intermediate position department fixed mounting of sieve ash net board (31) has first vibrating motor (32), and the upper surface position department that a side of sieve ash case (3) is located sieve ash net board (31) offer with concave shell (52) assorted blown down tank (33), tremble flitch (510) and be located the below of blown down tank (33).

8. A non-ferrous metal sorting apparatus as claimed in claim 1, wherein: a feeding groove (41) matched with the concave shell (52) is formed in one side face above the sorting box (4), and the material shaking plate (510) is located above the feeding groove (41).

9. A non-ferrous metal sorting apparatus as claimed in claim 8, wherein: the inside upper and lower position department that is located feed chute (41) of separation box (4) inclines respectively to be connected with electromagnetic plate (42) and slide (43), the lower surface intermediate position department fixed mounting of slide (43) has second vibrating motor (44), the discharge gate corresponding with slide (43) has been seted up to the another side of separation box (4).

10. A non-ferrous metal sorting apparatus as claimed in claim 8, wherein: the utility model discloses a sorting box, including sorting box (4), electromagnetic plate (42), slide (43), casing (45) that position department is provided with and is linked together with sorting box (4) inside between the rear surface of sorting box (4) is located electromagnetic plate (42) and slide (43), the inside front surface fixed mounting of casing (45) has fan (46), and the inside of casing (45) is located the place ahead position department of fan (46) and is connected with heating pipe (47) perpendicularly, the inside front surface of sorting box (4) is provided with and keeps off net (48) corresponding with casing (45).