CN111282649A

CN111282649A - Solid garbage classification treatment device for cities and towns

Info

Publication number: CN111282649A
Application number: CN202010238468.XA
Authority: CN
Inventors: 马佳萍
Original assignee: Quzhou Linyu Environmental Protection Technology Co ltd
Current assignee: Quzhou Linyu Environmental Protection Technology Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-06-16

Abstract

The invention discloses a town solid waste classification treatment device, which comprises a machine body, wherein a feeding cavity with an upward opening is arranged in the machine body, a crushing cavity communicated with the feeding cavity is arranged below the feeding cavity, a crushing mechanism is arranged in the crushing cavity, a reciprocating cavity is arranged on the right side of the crushing cavity, a first rectangular groove is arranged on the right side of the reciprocating cavity, a first pulley cavity is arranged on the rear side of the first rectangular groove, moving cavities penetrating through the crushing cavity are arranged on two sides of the crushing cavity, a material blocking mechanism is arranged in the moving cavities, a second pulley cavity is arranged on the right side of the moving cavities, a classification cavity communicated with the crushing cavity is arranged below the crushing cavity, a classification mechanism is arranged in the classification cavity, a rotating cavity is arranged on the rear side of the classification cavity, a second rectangular groove is arranged on the rear side of the rotating cavity, a switching cavity is arranged on the right side of the second rectangular groove, a friction cavity is arranged on the right side of the switching cavity, and, and a switching mechanism is arranged between the second rectangular groove and the fourth rectangular groove.

Description

Solid garbage classification treatment device for cities and towns

Technical Field

The invention relates to the technical field of garbage classification, in particular to a town solid garbage classification treatment device.

Background

Due to the development of society, cities are larger and larger, the number of people born by the cities is larger and larger, urban roads are more and more, various garbage on the urban roads is often required to be cleaned due to the difference of the population, and at present, when cleaning the garbage on the roads, sanitation workers or road sweeper uniformly mix the garbage on the roads together for collection and then transport the garbage to garbage stations for treatment. However, since a large amount of garbage on roads can be recycled, for example, iron pieces such as iron-containing cans, screws, metal blocks, plastic bottles, paper scraps, etc., if road garbage is subjected to landfill or incineration in a unified manner, resources are wasted and disposal is troublesome. In addition, the existing treatment device can not screen out iron pieces in the garbage and can not recycle the iron pieces.

Disclosure of Invention

Aiming at the technical defects, the invention provides a classification treatment device for town solid garbage, which can overcome the defects.

The invention relates to a classification treatment device for urban solid garbage, which comprises a machine body, wherein a feeding cavity with an upward opening is arranged in the machine body, a crushing cavity communicated with the feeding cavity is arranged below the feeding cavity, a crushing mechanism is arranged in the crushing cavity, a reciprocating cavity is arranged on the right side of the crushing cavity, a first rectangular groove is arranged on the right side of the reciprocating cavity, a first pulley cavity is arranged on the rear side of the first rectangular groove, moving cavities penetrating through the crushing cavity are arranged on two sides of the crushing cavity, a material blocking mechanism is arranged in the moving cavities, a second pulley cavity is arranged on the right side of the moving cavities, a classification cavity communicated with the crushing cavity is arranged below the crushing cavity, a classification mechanism is arranged in the classification cavity, a rotating cavity is arranged on the rear side of the classification cavity, a second rectangular groove is arranged on the rear side of the rotating cavity, a third rectangular groove is arranged on the rear side of the second rectangular groove, a switching cavity is arranged on the right side of the second rectangular groove, the friction chamber right side is equipped with the fourth rectangular channel, the second rectangular channel with be equipped with switching mechanism between the fourth rectangular channel, it is equipped with the power shaft that runs through first rectangular channel to rotate in the organism, power shaft upper end stretches into in the organism and power is equipped with the motor, be equipped with in the first rectangular channel with power shaft fixed connection's first bevel gear, power shaft lower extreme stretches into in the fourth rectangular channel and fixed second bevel gear that is equipped with.

Preferably, the crushing mechanism comprises a crushing plate fixedly installed in the crushing cavity, a through hole is formed in the crushing plate, a sliding plate is slidably arranged between the crushing cavity and the reciprocating cavity, the left end of the sliding plate extends into the crushing cavity and is fixedly provided with a fixed shaft, a crushing wheel which is rotatably connected with the fixed shaft and is abutted against the upper end of the crushing plate is arranged in the crushing cavity, the right end of the sliding plate extends into the reciprocating cavity and is fixedly provided with a reciprocating plate, a reciprocating groove is formed in the reciprocating plate, a first driving shaft is rotatably arranged between the first pulley cavity and the reciprocating cavity, the rear end of the first driving shaft extends into the first pulley cavity and is fixedly provided with a first pulley, the front end of the first driving shaft extends into the reciprocating cavity and is fixedly provided with a rotating plate, and a driving rod which extends forwards is fixedly arranged at the front end of the rotating plate, the front end of the driving rod is rotatably provided with a driving sleeve matched with the reciprocating groove, a second driving shaft is rotatably arranged between the first rectangular groove and the first belt wheel cavity, the rear end of the second driving shaft extends into the first belt wheel cavity and is fixedly provided with a second belt wheel, the second belt wheel is in power connection with the first belt wheel through a first belt, and the front end of the second driving shaft extends into the first rectangular groove and is fixedly provided with a third bevel gear.

Preferably, the material blocking mechanism comprises a screw rod which is rotationally arranged in the machine body in a front-back symmetrical mode and penetrates through the moving cavity, the scrap iron collecting box is provided with threads in opposite directions in a bilateral symmetry manner, the moving cavity is provided with thread blocks in a bilateral symmetry manner, the thread blocks are in threaded connection with the screw rod, a baffle plate is fixedly arranged between the thread blocks, a limiting block which is positioned between the thread blocks and is rotationally connected with the screw rod is arranged in the moving cavity, the right end of the screw rod extends into the second belt wheel cavity and is fixedly provided with a third belt wheel, a third driving shaft is rotatably arranged between the third rectangular groove and the second belt wheel cavity, the left end of the third driving shaft extends into the third rectangular groove and is fixedly provided with a fourth bevel gear, the right end of the third driving shaft extends into the second belt pulley cavity and is fixedly provided with a fourth belt pulley, and the fourth belt pulley is in power connection with the third belt pulley through a second belt.

Preferably, the sorting mechanism is installed including rotating rotate the chamber with pivot between the categorised chamber, the pivot rear end stretches into rotate in the chamber and the fixed first gear that is equipped with, the pivot front end stretches into in the categorised chamber and the fixed upset cover that is equipped with, the upset cover with fixedly connected with centers on between the categorised chamber end wall the torsional spring of pivot, the fixed swash plate that is equipped with is sheathe in to the upset, the fixed iron core that is equipped with in the swash plate, the fixed pressure sensor that is equipped with of swash plate lower extreme, the fixed garbage collection box and the iron fillings collecting box that are equipped with of categorised chamber lower extreme, rotate in the chamber slide be equipped with first gear engagement's rack plate.

Preferably, the switching mechanism includes a fourth driving shaft rotatably installed between the third rectangular groove and the rotating cavity and penetrating through the second rectangular groove, the front end of the fourth driving shaft extends into the rotating cavity and is fixedly provided with a second gear engaged with the rack plate, the second rectangular groove is internally provided with a fifth bevel gear fixedly connected with the fourth driving shaft, the rear end of the fourth driving shaft extends into the third rectangular groove and is fixedly provided with a sixth bevel gear engaged with the fourth bevel gear, a spline housing is movably arranged between the switching cavity and the friction cavity, the right end of the spline housing extends into the friction cavity and is fixedly provided with a first friction disc, a spline shaft is arranged in the spline housing, the left end of the spline shaft extends into the second rectangular groove and is fixedly provided with a seventh bevel gear engaged with the fifth bevel gear, and a sliding block rotatably connected with the spline housing is slidably arranged in the switching cavity, an electromagnet movably connected with the spline housing is fixedly arranged in the sliding block, an iron block movably connected with the spline housing is fixedly arranged at the right end of the switching cavity, return springs are fixedly connected between the sliding block and the end wall of the switching cavity in a front-back symmetrical mode, a fifth driving shaft is rotatably arranged between the friction cavity and the fourth rectangular groove, the left end of the fifth driving shaft extends into the friction cavity and is fixedly provided with a second friction disc, and the right end of the fifth driving shaft extends into the fourth rectangular groove and is fixedly provided with an eighth bevel gear meshed with the second bevel gear.

The beneficial effects are that: the device is provided with the classification mechanism, when the weight of the inclined plate reaches a preset range, the gravity sensor can trigger the power-off of the iron core and the electromagnet, the inclined plate rotates to incline downwards, the magnetism of the inclined plate is slowly weakened, so that scrap iron adsorbed on the inclined plate falls into the scrap iron collection box to be collected, intelligent control is adopted, manual excessive operation is not needed, and time and labor are saved.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a schematic view taken at A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic view of the embodiment of the present invention at B-B in FIG. 1;

FIG. 4 is a schematic view at C-C in FIG. 1 according to an embodiment of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a town solid waste classification treatment device, which comprises a machine body 10, wherein a feeding cavity 14 with an upward opening is arranged in the machine body 10, a crushing cavity 13 communicated with the feeding cavity 14 is arranged below the feeding cavity 14, a crushing mechanism is arranged in the crushing cavity 13, a reciprocating cavity 22 is arranged on the right side of the crushing cavity 13, a first rectangular groove 25 is arranged on the right side of the reciprocating cavity 22, a first pulley cavity 75 is arranged on the rear side of the first rectangular groove 25, moving cavities 47 penetrating through the crushing cavity 13 are arranged on two sides of the crushing cavity 13, a material blocking mechanism is arranged in the moving cavity 47, a second pulley cavity 29 is arranged on the right side of the moving cavity 47, a classification cavity 46 communicated with the crushing cavity 13 is arranged below the crushing cavity 13, a classification mechanism is arranged in the classification cavity 46, a rotating cavity 57 is arranged on the rear side of the classification cavity 46, a second rectangular groove 78 is arranged on the rear side of the rotating cavity 57, a third rectangular groove 65 is arranged on the rear side of the second rectangular, the right side of the second rectangular groove 78 is provided with a switching cavity 67, the right side of the switching cavity 67 is provided with a friction cavity 37, the right side of the friction cavity 37 is provided with a fourth rectangular groove 33, a switching mechanism is arranged between the second rectangular groove 78 and the fourth rectangular groove 33, a power shaft 24 penetrating through the first rectangular groove 25 is rotatably arranged in the machine body 10, the upper end of the power shaft 24 extends into the machine body 10 and is provided with a motor 23 in a power mode, a first bevel gear 27 fixedly connected with the power shaft 24 is arranged in the first rectangular groove 25, and the lower end of the power shaft 24 extends into the fourth rectangular groove 33 and is fixedly provided with a second bevel gear 32.

Advantageously, the crushing mechanism comprises a crushing plate 49 fixedly installed in the crushing cavity 13, a through hole 50 is formed in the crushing plate 49, a sliding plate 15 is slidably arranged between the crushing cavity 13 and the reciprocating cavity 22, the left end of the sliding plate 15 extends into the crushing cavity 13 and is fixedly provided with a fixed shaft 12, a crushing wheel 11 which is rotatably connected with the fixed shaft 12 and is abutted against the upper end of the crushing plate 49 is arranged in the crushing cavity 13, the right end of the sliding plate 15 extends into the reciprocating cavity 22 and is fixedly provided with a reciprocating plate 16, a reciprocating groove 17 is formed in the reciprocating plate 16, a first driving shaft 21 is rotatably arranged between the first pulley cavity 75 and the reciprocating cavity 22, the rear end of the first driving shaft 21 extends into the first pulley cavity 75 and is fixedly provided with a first pulley 73, the front end of the first driving shaft 21 extends into the reciprocating cavity 22 and is fixedly provided with a rotating plate 20, the front end of the rotating plate 20 is fixedly provided with a driving rod 19 extending forwards, the front end of the driving rod 19 is rotatably provided with a driving sleeve 18 matched with the reciprocating groove 17, a second driving shaft 77 is rotatably arranged between the first rectangular groove 25 and the first belt pulley cavity 75, the rear end of the second driving shaft 77 extends into the first belt pulley cavity 75 and is fixedly provided with a second belt pulley 76, the second belt pulley 76 is in power connection with the first belt pulley 73 through a first belt 74, and the front end of the second driving shaft 77 extends into the first rectangular groove 25 and is fixedly provided with a third bevel gear 26.

Advantageously, the material blocking mechanism comprises screw rods 69 which are rotationally mounted in the machine body 10 in a front-back symmetrical manner and penetrate through the moving cavity 47, threads in opposite directions are symmetrically arranged on the scrap iron collecting box 39 in a left-right symmetrical manner, thread blocks 71 which are in threaded connection with the screw rods 69 are symmetrically arranged in the moving cavity 47 in a left-right symmetrical manner, a material blocking plate 48 is fixedly arranged between the thread blocks 71, limiting blocks 72 which are positioned between the thread blocks 71 and are rotationally connected with the screw rods 69 are arranged in the moving cavity 47, the right end of the screw rod 69 extends into the second pulley cavity 29 and is fixedly provided with a third pulley 30, a third driving shaft 68 is rotationally arranged between the third rectangular groove 65 and the second pulley cavity 29, the left end of the third driving shaft 68 extends into the third rectangular groove 65 and is fixedly provided with a fourth bevel gear 66, the right end of the third driving shaft 68 extends into the second pulley cavity 29 and is fixedly provided with a fourth pulley 70, the fourth pulley 70 is in power connection with the third pulley 30 via a second belt 31.

Beneficially, the sorting mechanism includes a rotating shaft 42 rotatably installed between the rotating cavity 57 and the sorting cavity 46, the rear end of the rotating shaft 42 extends into the rotating cavity 57 and is fixedly provided with a first gear 56, the front end of the rotating shaft 42 extends into the sorting cavity 46 and is fixedly provided with a turnover sleeve 44, a torsion spring 43 surrounding the rotating shaft 42 is fixedly connected between the turnover sleeve 44 and the end wall of the sorting cavity 46, an inclined plate 40 is fixedly arranged on the turnover sleeve 44, an iron core 41 is fixedly arranged in the inclined plate 40, a pressure sensor 28 is fixedly arranged at the lower end of the inclined plate 40, a scrap collecting box 45 and an iron scrap collecting box 39 are fixedly arranged at the lower end of the sorting cavity 46, and a rack plate 58 engaged with the first gear 56 is slidably arranged in the rotating cavity 57.

Advantageously, the switching mechanism comprises a fourth driving shaft 52 rotatably mounted between the third rectangular groove 65 and the rotating chamber 57 and penetrating through the second rectangular groove 78, the front end of the fourth driving shaft extends into the rotating chamber 57 and is fixedly provided with a second gear 55 engaged with the rack plate 58, the second rectangular groove 78 is provided with a fifth bevel gear 54 fixedly connected with the fourth driving shaft 52, the rear end of the fourth driving shaft 52 extends into the third rectangular groove 65 and is fixedly provided with a sixth bevel gear 51 engaged with the fourth bevel gear 66, a spline housing 64 is movably arranged between the switching chamber 67 and the friction chamber 37, the right end of the spline housing 64 extends into the friction chamber 37 and is fixedly provided with a first friction disc 38, the spline housing 64 is splined with a spline shaft 59, the left end of the spline shaft 59 extends into the second rectangular groove 78 and is fixedly provided with a seventh bevel gear 53 engaged with the fifth bevel gear 54, a sliding block 60 rotationally connected with the spline housing 64 is slidably arranged in the switching cavity 67, an electromagnet 61 movably connected with the spline housing 64 is fixedly arranged in the sliding block 60, an iron block 63 movably connected with the spline housing 64 is fixedly arranged at the right end of the switching cavity 67, return springs 62 are fixedly connected between the sliding block 60 and the end wall of the switching cavity 67 in a front-back symmetrical manner, a fifth driving shaft 35 is rotationally arranged between the friction cavity 37 and the fourth rectangular groove 33, the left end of the fifth driving shaft 35 extends into the friction cavity 37 and is fixedly provided with a second friction disc 36, and the right end of the fifth driving shaft 35 extends into the fourth rectangular groove 33 and is fixedly provided with an eighth bevel gear 34 meshed with the second bevel gear 32.

In an initial state, the reciprocating plate 16 is located at the left end position in the reciprocating cavity 22, the striker plates 48 which are symmetrical left and right are located at positions which are in contact with each other, the torsion spring 43 and the return spring 62 are both in a natural state, the electromagnet 61 and the iron core 41 are both in an unpowered state, and the first friction disc 38 and the second friction disc 36 are located at a non-contact state;

when the electric motor 23 is started, the electromagnet 61 and the iron core 41 are firstly controlled to be powered on by an operator, then the electric motor 23 is controlled to be started in the forward direction, due to the attraction force generated between the electromagnet 61 and the iron block 63, the electromagnet 61 can drive the spline sleeve 64 to move rightwards, the spline sleeve 64 can drive the first friction disc 38 to move rightwards to be in contact with the second friction disc 36, the electric motor 23 can drive the second bevel gear 32 to rotate through the power shaft 24, the second bevel gear 32 can drive the fifth driving shaft 35 to rotate through the eighth bevel gear 34, the fifth driving shaft 35 can drive the first friction disc 38 to rotate through the second friction disc 36, the first friction disc 38 can drive the spline shaft 59 to rotate through the spline sleeve 64, the spline shaft 59 can drive the fifth bevel gear 54 to rotate through the seventh bevel gear 53, the fifth bevel gear 54 can drive the second gear 55 to rotate through the fourth, the rack plate 58 can drive the rotating shaft 42 to rotate through the first gear 56, the rotating shaft 42 can drive the inclined plate 40 to rotate around the rotating shaft 42 through the overturning sleeve 44, when the rack plate 58 moves to the left end of the rotating cavity 57 to the left, the rack plate 58 and the second gear 55 are in a state of being disengaged, at the moment, the inclined plate 40 rotates 30 degrees anticlockwise around the rotating shaft 42 and then stops, and the torsion spring 43 is in a tightening state; then the garbage to be classified and processed is poured into the feeding cavity 14, the garbage falls above the crushing plate 49, the power shaft 24 can drive the third bevel gear 26 to rotate through the first bevel gear 27, the third bevel gear 26 can drive the second belt pulley 76 to rotate through the second driving shaft 77, the second belt pulley 76 can drive the first belt pulley 73 to rotate through the first belt 74, the first belt pulley 73 can drive the rotating plate 20 to rotate through the first driving shaft 21, the rotating plate 20 can drive the driving sleeve 18 to rotate around the first driving shaft 21 through the driving rod 19, the driving sleeve 18 can drive the reciprocating plate 16 to reciprocate left and right through the reciprocating groove 17, the reciprocating plate 16 can drive the fixed shaft 12 to reciprocate left and right through the sliding plate 15, the fixed shaft 12 can drive the crushing wheel 11 to reciprocate left and right, and the garbage above the crushing plate 49 can be crushed during the left and right reciprocating movement of the crushing wheel 11, and therefore the effect; the completely crushed garbage can fall down through the leakage hole 50, the fourth driving shaft 52 can drive the fourth bevel gear 66 to rotate through the sixth bevel gear 51, the fourth bevel gear 66 can drive the fourth pulley 70 to rotate through the third driving shaft 68, the fourth pulley 70 can drive the third pulley 30 to rotate through the second belt 31, the third pulley 30 can drive the left-right symmetrical thread blocks 71 to move outwards through the screw rod 69, and the left-right symmetrical material blocking plates 48 can be driven by the thread blocks 71 to move outwards, so that the completely crushed garbage can fall down to the upper end of the inclined plate 40 under the action of gravity, scrap iron in the garbage can be adsorbed at the upper end of the inclined plate 40 by the iron core 41, and other garbage can slide into the waste collection box 45 through the inclined plate 40 to be collected; when the weight of swash plate 40 reaches predetermined scope, pressure sensor 28 can trigger reset spring 62 and iron core 41 outage, first friction disk 38 can reset left and break away from the contact with second friction disk 36, upset cover 44 accessible torsional spring 43 drive swash plate 40 resets after clockwise rotation 30, rack plate 58 accessible torsional spring 43's reset effect moves right to initial position, rack plate 58 accessible second gear 55 drive bilateral symmetry's striker plate 48 resets to the inboard, the iron fillings that adsorb on the swash plate 40 can slide into in iron fillings collecting box 39 and collect.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a town solid-state waste classification processing apparatus, includes the organism, its characterized in that: the machine body is internally provided with a feeding cavity with an upward opening, a crushing cavity communicated with the feeding cavity is arranged below the feeding cavity, the crushing cavity is internally provided with a crushing mechanism, the right side of the crushing cavity is provided with a reciprocating cavity, the right side of the reciprocating cavity is provided with a first rectangular groove, the rear side of the first rectangular groove is provided with a first pulley cavity, the two sides of the crushing cavity are provided with moving cavities penetrating through the crushing cavity, the moving cavities are internally provided with a material blocking mechanism, the right side of the moving cavity is provided with a second pulley cavity, the lower side of the crushing cavity is provided with a classification cavity communicated with the crushing cavity, the classification cavity is internally provided with a classification mechanism, the rear side of the classification cavity is provided with a rotating cavity, the rear side of the rotating cavity is provided with a second rectangular groove, the rear side of the second rectangular groove is provided with a third rectangular groove, the right side of the second rectangular groove is provided with a switching cavity, the right side of the, a switching mechanism is arranged between the second rectangular groove and the fourth rectangular groove, a power shaft penetrating through the first rectangular groove is arranged in the machine body in a rotating mode, the upper end of the power shaft extends into the machine body and is provided with a motor in a power mode, a first bevel gear fixedly connected with the power shaft is arranged in the first rectangular groove, and the lower end of the power shaft extends into the fourth rectangular groove and is fixedly provided with a second bevel gear.

2. The apparatus according to claim 1, characterized in that: the crushing mechanism comprises a crushing plate fixedly arranged in the crushing cavity, a through hole which is communicated up and down is arranged in the crushing plate, a sliding plate is arranged between the crushing cavity and the reciprocating cavity in a sliding manner, the left end of the sliding plate extends into the crushing cavity and is fixedly provided with a fixed shaft, a crushing wheel which is rotatably connected with the fixed shaft and is abutted against the upper end of the crushing plate is arranged in the crushing cavity, the right end of the sliding plate extends into the reciprocating cavity and is fixedly provided with a reciprocating plate, a reciprocating groove is arranged in the reciprocating plate, a first driving shaft is rotatably arranged between the first belt wheel cavity and the reciprocating cavity, the rear end of the first driving shaft extends into the first belt wheel cavity and is fixedly provided with a first belt wheel, the front end of the first driving shaft extends into the reciprocating cavity and is fixedly provided with a rotating plate, and a driving rod which extends forwards is fixedly arranged at the front end of the rotating plate, the front end of the driving rod is rotatably provided with a driving sleeve matched with the reciprocating groove, a second driving shaft is rotatably arranged between the first rectangular groove and the first belt wheel cavity, the rear end of the second driving shaft extends into the first belt wheel cavity and is fixedly provided with a second belt wheel, the second belt wheel is in power connection with the first belt wheel through a first belt, and the front end of the second driving shaft extends into the first rectangular groove and is fixedly provided with a third bevel gear.

3. The apparatus according to claim 1, characterized in that: the stock stop comprises a screw rod which is rotationally arranged in the machine body in a front-back symmetrical manner and penetrates through the moving cavity, the scrap iron collecting box is provided with threads in opposite directions in a bilateral symmetry manner, the moving cavity is provided with thread blocks in a bilateral symmetry manner, the thread blocks are in threaded connection with the screw rod, a baffle plate is fixedly arranged between the thread blocks, a limiting block which is positioned between the thread blocks and is rotationally connected with the screw rod is arranged in the moving cavity, the right end of the screw rod extends into the second belt wheel cavity and is fixedly provided with a third belt wheel, a third driving shaft is rotatably arranged between the third rectangular groove and the second belt wheel cavity, the left end of the third driving shaft extends into the third rectangular groove and is fixedly provided with a fourth bevel gear, the right end of the third driving shaft extends into the second belt pulley cavity and is fixedly provided with a fourth belt pulley, and the fourth belt pulley is in power connection with the third belt pulley through a second belt.

4. The apparatus according to claim 1, characterized in that: categorised mechanism is installed including rotating rotate the chamber with pivot between the categorised chamber, the pivot rear end is stretched into rotate in the chamber and the fixed first gear that is equipped with, the pivot front end is stretched into categorised chamber and the fixed cover that overturns that is equipped with, overturn the cover with fixedly connected with centers on between the categorised chamber end wall the torsional spring of pivot, the fixed swash plate that is equipped with is sheathe in to the upset, the fixed iron core that is equipped with in the swash plate, the fixed pressure sensor that is equipped with of swash plate lower extreme, categorised chamber lower extreme is fixed and is equipped with scrap collecting box and iron fillings collecting box, rotate in the chamber slide be equipped with first gear engagement's rack plate.

5. The apparatus according to claim 1, characterized in that: the switching mechanism comprises a fourth driving shaft which is rotatably installed between the third rectangular groove and the rotating cavity and penetrates through the second rectangular groove, the front end of the fourth driving shaft extends into the rotating cavity and is fixedly provided with a second gear meshed with the rack plate, a fifth bevel gear fixedly connected with the fourth driving shaft is arranged in the second rectangular groove, the rear end of the fourth driving shaft extends into the third rectangular groove and is fixedly provided with a sixth bevel gear meshed with the fourth bevel gear, a spline housing is movably arranged between the switching cavity and the friction cavity, the right end of the spline housing extends into the friction cavity and is fixedly provided with a first friction disc, a spline shaft is arranged in the spline housing, the left spline shaft end extends into the second rectangular groove and is fixedly provided with a seventh bevel gear meshed with the fifth bevel gear, and a sliding block rotatably connected with the spline housing is arranged in the switching cavity in a sliding manner, an electromagnet movably connected with the spline housing is fixedly arranged in the sliding block, an iron block movably connected with the spline housing is fixedly arranged at the right end of the switching cavity, return springs are fixedly connected between the sliding block and the end wall of the switching cavity in a front-back symmetrical mode, a fifth driving shaft is rotatably arranged between the friction cavity and the fourth rectangular groove, the left end of the fifth driving shaft extends into the friction cavity and is fixedly provided with a second friction disc, and the right end of the fifth driving shaft extends into the fourth rectangular groove and is fixedly provided with an eighth bevel gear meshed with the second bevel gear.