CN115430609A

CN115430609A - Intelligent self-control two-stage combined stepping raw coal sorting device

Info

Publication number: CN115430609A
Application number: CN202210965893.8A
Authority: CN
Inventors: 曹夙; 陈广军; 李让; 陈万奎
Original assignee: Cangzhou Gold Instrument Automatic Control Co ltd
Current assignee: Cangzhou Gold Instrument Automatic Control Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-12-06

Abstract

The invention provides an intelligent self-control two-stage combined stepping type raw coal sorting device, belongs to the technical field of coal washing and sorting processing mechanical equipment, and aims to solve the problems that the structural design of the conventional mechanical and wind-force raw coal sorting equipment is to be improved, coarse coal and pulverized coal are easy to accumulate, and the sorting efficiency is low. The rear part of a primary sorting mechanism is connected with a lifting conveying mechanism, the upper part of the lifting conveying mechanism is connected with a manipulator mechanism capable of magnetically attracting metal objects, the rear part of the lifting conveying mechanism is connected with a stirring and feeding mechanism, and the lower part of the stirring and feeding mechanism is connected with a secondary sorting mechanism; the programmable industrial personal computer is respectively connected with and controls the primary sorting mechanism, the lifting and conveying mechanism, the manipulator mechanism capable of magnetically attracting metal objects, the stirring and feeding mechanism and the secondary sorting mechanism by electric leads and is jointly installed on a base of the raw coal sorting device. The structure is novel and practical, and the device is suitable for dry coal dressing operations of coal mines, raw coal separation sites, coal dressing plants and the like according to the requirements of raw coal feeding and clean coal discharging.

Description

Intelligent self-control two-stage combined stepping raw coal sorting device

Technical Field

The invention belongs to a raw coal sorting device, and belongs to the technical field of coal washing, sorting and processing mechanical equipment.

Background

Coal is grain in modern industry and is one of main energy sources. The method is characterized in that the crude coal mined from a coal mine contains more impurities, has low direct combustion efficiency and large pollution, so the coal needs to be sorted to obtain clean coal, in the known technology, the existing raw coal sorting device comprises wet sorting and dry sorting, and is mainly limited by water resources, dry sorting technical equipment is developed, the existing raw coal sorting device comprises a mechanical raw coal classifying and filtering screen, the raw coal is freely rolled backwards at the inlet end of a classifying and filtering screen during sorting operation, but large-particle objects in the raw coal easily collide with small-particle objects and the large-particle objects and the small-particle objects are simultaneously discharged through a discharge port, so the sorting quality is poor, the large-particle objects are easily accumulated and stagnated in the filtering screen, and the sorting efficiency is low; the raw coal is blown by continuously or discontinuously ascending airflow on the surface of an inclined movable or fixed porous sieve to be in a boiling state, and the particles with different densities are layered due to different sedimentation speeds and are respectively discharged to obtain a light product and a heavy product; however, due to the structure, the structure is complicated, the distance between particles suspended on the surface is large in the process of wind coal separation operation, so that light and heavy coal layers are easy to mix, the separation quality is poor, the air separation efficiency is low, and the raise dust is easy to generate during coal separation, so that the pollution is caused, especially, the application of the wind coal separation device to raw coal separation at a coal mine port is limited, and the structural design is to be improved and innovated.

In view of this, in order to adapt to the increasing development and technological progress of coal washing, sorting and processing mechanical equipment, there is a need to further improve and develop a new raw coal sorting device.

Disclosure of Invention

In order to overcome the defects of the prior art, the problems that the structural design of the conventional mechanical and wind separation raw coal equipment is to be improved, coarse coal and pulverized coal are easy to accumulate and the separation efficiency is low are solved. The invention aims to provide a novel raw coal sorting device which is practical in structure, can effectively separate large-particle objects from small-particle objects in raw coal, avoids raw coal and coal dust from being accumulated and blocked in a cavity of sorting equipment, greatly reduces pollution caused by operation dust, further improves sorting quality and efficiency, and is convenient to use.

The technical scheme adopted by the invention for solving the problems is as follows:

an intelligence automatic control type two-stage combined stepping raw coal sorting device, comprising: the device comprises a raw coal sorting device base, a programmable industrial personal computer, a primary sorting mechanism, a lifting and conveying mechanism, a stirring and feeding mechanism, a secondary sorting mechanism and a manipulator mechanism capable of magnetically attracting metal objects; the rear part of the primary sorting mechanism is connected with a lifting conveying mechanism, the upper part of the lifting conveying mechanism is connected with a manipulator mechanism capable of magnetically attracting metal objects, the rear part of the lifting conveying mechanism is connected with a stirring and feeding mechanism, and the lower part of the stirring and feeding mechanism is connected with a secondary sorting mechanism; the programmable industrial personal computer is respectively connected with and controls the primary sorting mechanism, the lifting and conveying mechanism, the manipulator mechanism capable of magnetically attracting metal objects, the stirring and feeding mechanism and the secondary sorting mechanism through electric leads and is jointly installed on a base of the raw coal sorting device;

(1) the primary sorting mechanism includes: the screen body of the rotary screen is obliquely arranged with a high front material inlet part and a low rear material outlet part, a primary material conveying belt is arranged in the longitudinal length direction of the screen body of the rotary screen, the rear part of the primary material conveying belt is connected with a lifting conveying mechanism, a rear tail material outlet end of the rotary screen is transversely provided with a sundries outlet conveying belt, and power motors of the rotary screen, the primary material conveying belt and the sundries outlet conveying belt are respectively connected with a programmable industrial personal computer through electric conductors;

(2) the lift delivery mechanism comprises: the lifting conveyor belt machine is connected to the adjustable positioning type support frame, the input end of the lifting conveyor belt machine is connected with a primary material selecting conveyor belt of the primary sorting mechanism, the tail part of the conveyor belt body is connected with a discharging flow guide hopper after inclining to the upper output end and is connected with a stirring and feeding mechanism, the lifting conveyor belt machine is connected with a lifting conveyor belt motor, and the lifting conveyor belt motor is connected with a programmable industrial personal computer through an electric lead;

(3) the stirring feeding mechanism includes: the device comprises a feeding box main body, feeding box supporting legs, a feeding connecting pipe, a feeding control valve, a feeding flow guide slide carriage and a stirrer, wherein the feeding box main body is a feeding box main body of which the upper box body is a rectangular box body connected lower box body and is a trapezoidal bucket-shaped box body;

(4) the secondary sorting mechanism comprises: the coal dust separator comprises a secondary separation box body, a first partition plate, a second partition plate, a coal dust separating plate, a conical two-layer flow dividing plate, a first flow dividing plate, a second flow dividing plate, a coal dust separating plate, a coal dust output pipe, a coal dust output belt, a high-pressure air pipe joint and a high-pressure air control valve, wherein the secondary separation box body is an arch box type secondary separation box main body, the upper part of the arch box body is a semicircular arc-shaped box body, the lower parts of two sides of the arch box body are respectively connected with two vertical square box bodies, a material conveying connecting pipe with a central interface connected with a stirring and feeding mechanism is arranged at the top of the secondary separation box body, a first partition plate and a second partition plate which are arranged in parallel to the inner side arch groove plates and the outer side arch groove plates of the box body are sequentially arranged in an inner cavity of the secondary separation box body from inside to outside at intervals from inside, the bottom of the inner side arch groove plates of the box body and the outer side arch groove plates are respectively connected with the high-pressure air pipe joint, the high-pressure air pipe joint is arranged on the high-pressure air pipe joint, the inner side air pipe joint, the high-pressure air pipe joint is connected with the high-pressure air pipe joint, the high-pressure air pipe joint is arranged at the bottom of the inner side air pipe joint, the inner side air pipe joint is connected with the high-pressure air pipe joint; the top of a separation area in the inner cavity of the secondary separation box body is provided with a flow distribution section, and two sides of the inner cavity of the secondary separation box body are respectively provided with a plurality of coal powder distribution sections and coal block distribution sections;

(5) the manipulator mechanism capable of magnetically attracting metal objects comprises a manipulator main body, a manipulator main body seat frame, manipulator displacement sensor contacts, a manipulator transverse displacement power motor and a cross arm longitudinal displacement power motor, wherein the manipulator main body seat frame is a six-upright rectangular main body seat frame, a sliding cross arm capable of sliding back and forth along longitudinal seat frame beams on two sides and the longitudinal seat frame beams on two sides are transversely connected with the manipulator main body seat frame, the manipulator longitudinal displacement power motor is respectively connected with the sliding cross arm, the manipulator main body is hung on the sliding cross arm, the manipulator displacement sensor contacts are respectively arranged on the cross arms on two sides of the manipulator main body seat frame, the manipulator transverse displacement power motor capable of sliding transversely along the cross arm body is arranged at two end parts of the sliding cross arm, the manipulator main body is a manipulator main body consisting of a manipulator main body suspender, a magnet body is connected with the bottom of the manipulator main body suspender, a manipulator main body is connected with the manipulator main body, and a manipulator seat disc is connected with a manipulator main body consisting of a manipulator base disc and a manipulator longitudinal displacement power motor capable of driving the magnet to rotate along the main body suspender.

In the intelligent self-control two-stage combined stepping raw coal sorting device, the primary sorting mechanism and the lifting and conveying mechanism are respectively arranged in parallel with each other by 2 to 4 sets of rotary screens and 2 to 4 sets of lifting and conveying belt machines which are correspondingly connected; the base of the raw coal sorting device is a skid-mounted base, a shed cover covering the raw coal sorting device is mounted on the skid-mounted base, a raw coal adding port for connecting a drum screen to enter raw coal is formed in the front of the shed cover, an impurity removing port is formed in the side portion of a discharge port of the drum screen, a pulverized coal output pipe, a coal briquette output belt and a high-pressure air pipe joint port are formed in the rear tail of the shed cover, an industrial personal computer electric lead inserting port is further mounted in a side body portion of the shed cover, and the closed skid-mounted raw coal sorting device is formed.

The intelligent self-control two-stage combined stepping raw coal sorting device is characterized in that the sundries discharging conveyer belt of the primary sorting mechanism is a conveyer belt body which is connected with a sundries conveyer belt motor through a conveyer belt shaft, the sundries conveyer belt motor and the sundries discharging conveyer belt are respectively connected to a base of the raw coal sorting device, and the output end of the sundries discharging conveyer belt is connected with a sundries discharging dustpan.

The intelligent self-control two-stage combined stepping raw coal sorting device is characterized in that the output end of the lifting conveying belt machine is connected with a discharging flow guide hopper which is connected with a feeding box feeding interface of the stirring and feeding mechanism, and the feeding flow guide slide carriage is a trapezoidal feeding flow guide slide carriage.

Foretell an intelligence automatic control type two-stage combination marching type raw coal sorting unit, agitator among the stirring feeding mechanism includes agitator motor, (mixing) shaft, broken stirring rake, the (mixing) shaft both ends are connected on the box of pay-off case main part both sides by the bearing frame respectively, are connected with agitator motor at (mixing) shaft one end head to the broken stirring rake of arc curvator formula that even has the several equipartition is adorned even on the (mixing) shaft axis body, the broken stirring rake that lies in defeated material union coupling center both sides dress on the (mixing) shaft axis body sets up for the mutual spiral opposite direction of relative structure, and agitator motor is by the industrial computer able to programme of electric lead connection.

According to the intelligent self-control two-stage combined stepping raw coal sorting device, the flow distribution section, positioned at the top of the sorting area, in the inner cavity of the second-stage sorting box body is provided with two layers of conical flow distribution plates connected with the vault part of the first partition plate, two side edges of the bottom layer of each conical flow distribution plate are fixedly connected with the vault surface of the first partition plate in a tangent mode, and the two layers of conical flow distribution plates are arranged with the second partition plate at intervals; the coal powder separating section is characterized in that a plurality of inclined coal powder separating plates with the inner height higher than the outer height and the upward inclination angle of 8-18 degrees are symmetrically arranged on plate bodies on two sides of a second partition plate in a separating area in an inner cavity of a box body of a second-stage separating box respectively, the inclined coal powder separating plates comprise two adjacent coal powder separating plates on the upper portion and the lower portion of the uppermost coal powder separating plate, the coal powder separating plates are coal powder separating sections between every two adjacent coal powder separating plates, one ends of the arm-plate-type coal powder separating plates are fixedly connected to the second partition plate, the head of the free end of the other cantilever is arranged at intervals with the first partition plate, a horn-shaped channel with the inner small inside and the outer large outside is formed between the second partition plate and the coal powder separating plates, a channel opening sealing plate of the second partition plate is a horizontal plate surface, the rear tail end of the uppermost coal powder separating plate is respectively provided with a first flow distributing plate, the first flow distributing plate is an arc-shaped plate body parallel to the second partition plate, two coal powder channels are formed between the inner side body of the first flow plate and the second partition plate, the outer side body and the arch-shaped trough plate of the second partition plate, and the two coal powder separating box body are respectively communicated to two coal powder outlet pipes arranged at the bottom of the inner cavity of the second-stage separating box body in parallel; the coal separating block section is formed by connecting two coal separating block plates with a second flow separating plate which is vertically arranged on two sides of the bottom of the inner cavity of the secondary separating box body and is positioned at the lower part of the lowest coal separating powder plate, the second flow separating plate is arranged in parallel with the first partition plate, the coal separating block plates are inclined coal separating block plates with telescopic structures at the longitudinal two ends which are arranged at the same inclination angle with the coal separating powder plates, the two ends of each coal separating block plate are respectively arranged at intervals with the first partition plate and the second partition plate, two coal block flow passages at the inner side and the outer side are formed between the inner side body of the second flow separating plate and the first partition plate as well as between the outer side body of the second flow separating plate and the second partition plate, and the two coal block flow passages are respectively communicated to two parallel coal block output belts arranged at the discharge port at the bottom of the secondary separating box body.

The intelligent self-control two-stage combined stepping raw coal sorting device is characterized in that the coal powder separating plate is a coal powder separating plate body with a telescopic structure, and the direct distance between the top end of the coal powder separating plate body above the separation area in the inner cavity of the second-stage separation box body and the first partition plate body is smaller than the direct distance between the top end of the coal powder separating plate body below the first partition plate body.

The intelligent self-control two-stage combined stepping raw coal sorting device is characterized in that the sieve plate-shaped plate body of the first partition plate is a sieve plate body with a pore diameter smaller than that of a coal block section located below the coal dividing plate.

The intelligent self-control two-stage combined stepping raw coal sorting device is characterized in that the bottoms of two side bodies of a second-stage sorting box body in the second-stage sorting mechanism are further connected with a vibrating table, and a vibrating motor of the vibrating table is connected with a programmable industrial personal computer through an electric lead.

When the device is used, according to design requirements and actual needs, the device is arranged at a coal storage field and a set position, a power supply is switched on, coal conveying equipment such as a raw coal conveying belt machine is connected outside a raw coal input port of a rotary screen, sundries discharged from a sundries discharging conveying belt are externally connected with sundries recovery equipment outside a dustpan, a high-pressure air pipe joint is connected with a high-pressure air pipeline or a high-pressure air pump, a coal powder output pipe is connected with air coal conveying pipeline equipment, a coal block output belt is externally connected with coal conveying equipment such as a fine separation coal conveying belt machine, and during operation, a programmable industrial personal computer is controlled and set, raw coal enters a primary separation mechanism to remove sundries such as large coal gangue blocks, sleepers, fiber anchor rods, cables, waste belts, waste oil pipes, waste and old cloth and plastics, and is discharged from the sundries discharging conveying belt, and the blockage and damage of subsequent equipment are effectively avoided; the primary sorted raw coal is conveyed to a feeding box of a stirring and feeding mechanism by a lifting and conveying belt machine of a connected lifting and conveying mechanism, and is uniformly conveyed to a stirrer arranged at the lower part of an inner cavity of a box body by a feeding flow guide slide carriage in the box body, after crushing and stirring, the raw coal is conveyed into a secondary sorting box of the secondary sorting mechanism by a conveying connecting pipe at the bottom and a conveying control valve for controlling flow conveying, firstly, the raw coal is divided towards two sides by a conical two-layer flow dividing plate at the top of the inner cavity of the sorting box and enters a plurality of multi-stage coal powder dividing plates, a first flow dividing plate and a second flow dividing plate of coal powder sections through the conical two-layer flow dividing plate at the top of the inner cavity of the sorting box, finally, the coal powder and the coal blocks are separated and classified in multiple stages through the coal dividing plate, the separated and sorted coal powder flows to two coal powder output pipes of a bottom discharge port, and the separated and sorted coal blocks flow to two coal block output belts of the bottom discharge port and convey the raw coal sorting device, and the raw coal sorting device is also can be controlled by a vibration table at the bottom of the sorting box to prevent blockage according to the running condition in the actual running; the raw coal sorting device is characterized in that a manipulator mechanism capable of magnetically attracting metal objects is further arranged on the upper portion of a lifting conveying belt machine of the lifting conveying mechanism, the manipulator can move back and forth, left and right and rotate through a programmable industrial personal computer according to actual operation requirements, and magnetically attractable metal objects such as iron nails, reinforcing steel bars, iron wires and the like can be sucked out on the raw coal conveyed by the lifting conveying belt machine through a magnet body connected with the lifting conveying belt machine.

The invention adopts the technical scheme, the intelligent self-control two-stage combined stepping type raw coal sorting structure of the programmable industrial personal computer is adopted, the stirrer is arranged in the feeding box of the stirring and feeding mechanism, the raw coal is crushed and stirred and then is conveyed to the second-stage sorting mechanism in a constant flow control mode, the second-stage sorting box is a sealed arched sorting box body, the top of the inner cavity of the sorting box body is provided with a conical two-layer splitter plate, the raw coal to be sorted slides to two sides along an arc-shaped first partition plate after being split, and the vibrating table is controlled according to the operation condition, so that the phenomena of accumulation and blockage of coarse coal and pulverized coal can be effectively avoided, and the sorting efficiency is improved; meanwhile, the separated coal powder is in a closed separation and material conveying flow area, so that dust is reduced, and environmental pollution is avoided. The device effectively solves the problems that the structural design of the existing mechanical and wind-powered raw coal separation equipment is to be improved, coarse coal and pulverized coal are easy to accumulate, and the separation efficiency is low. Also through the practical test result of trying out, it has the novel practicality of structure, enables large granule object and tiny particle object and debris effectively separation in the raw coal, can avoid raw coal and buggy to pile up and block up in the sorting facilities cavity, reduces the operation raise dust greatly and causes the pollution, can further improve separation quality and efficiency, advantages such as convenient to use are suitable for and are used for dry process coal dressing operations such as colliery and raw coal sorting field, coal preparation factory according to the raw coal and advance, the clean coal goes out the requirement.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is an enlarged structural schematic diagram of a manipulator mechanism which is connected with a lifting conveying mechanism and can magnetically attract metal objects at the rear part of the primary sorting mechanism in the embodiment of fig. 1.

FIG. 3 is an enlarged schematic view of the stirring and feeding mechanism and the secondary sorting mechanism in the embodiment of FIG. 1.

FIG. 4 is a schematic sectional view of the agitating and feeding mechanism and the secondary sorting mechanism in the embodiment of FIG. 3.

FIG. 5 is a schematic view showing the structure of the feed box main body, the agitator and the conveyance pipe in the agitation and feeding mechanism of FIG. 4 in the direction B-B.

Fig. 6 is an enlarged schematic structural view of the secondary sorting mechanism in the embodiment of fig. 4.

Fig. 7 is an enlarged top view structural schematic diagram of a coal briquette plate body with a telescopic structure in the embodiment of fig. 6.

Fig. 8 is an enlarged structural schematic view of the robot mechanism capable of magnetically attracting metal objects in the embodiment of fig. 1.

Fig. 9 is an enlarged structural schematic diagram of a vibrating table connected to the bottom of two side bodies of a box body of a secondary sorting box in the secondary sorting mechanism in the embodiment of fig. 6.

The reference numbers in the drawings are as follows: 1-a primary sorting mechanism; 101-a drum screen; 102-sundry discharge conveyer belt; 103-sundry conveying belt motor; 104-a dustpan for removing impurities; 2-lifting the conveying mechanism; 201-lifting conveyor belt machine; 202-an adjustable positioning pedestal frame; 203-lifting a conveyor belt motor; 204-a discharge diversion hopper; 3-a stirring and feeding mechanism; 301-a feeder box body; 302-a hopper leg; 303-a material conveying connecting pipe; 304-a delivery control valve; 305-feeding and guiding slide carriage; 306-a stirring motor; 307-stirring shaft; 308-crushing and stirring paddle; 4-a secondary sorting mechanism; 401-a secondary sorting box body; 402-a first separator; 403-a second separator; 4031-channel port closure plate; 404-pulverized coal separating plate; 405-a tapered two-layer diverter plate; 406-a first splitter plate; 408-a second splitter plate; 407-coal separating plate; 409-a pulverized coal output pipe; 410-a coal block output belt; 411-high pressure air pipe joint; 412-high pressure gas electric control valve; 5-a mechanical arm mechanism capable of magnetically attracting metal objects; 501-a manipulator body; 5011-rotating electrical machines; 5012-a magnet body; 502-a body mount; 503-manipulator displacement sensor contact; 504-a manipulator lateral displacement power motor; 505-cross arm longitudinal displacement power motor; 506-sliding type cross arm; 6-programmable industrial personal computer; 7-skid-mounted base; 8-shed cover; 9-a vibration table; a-a wind guiding zone; b-sorting area.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "front", "rear", "head", "tail", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 8, the present embodiment includes: the device comprises a raw coal sorting device base, a primary sorting mechanism 1, a lifting conveying mechanism 2, a stirring and feeding mechanism 3, a secondary sorting mechanism 4, a manipulator mechanism 5 capable of magnetically attracting metal objects and a programmable industrial personal computer 6; the rear part of the primary sorting mechanism 1 is connected with a lifting conveying mechanism 2, the upper part of the lifting conveying mechanism 2 is connected with a manipulator mechanism 5 capable of magnetically attracting metal objects, the rear part of the lifting conveying mechanism 2 is connected with a stirring and feeding mechanism 3, and the lower part of the stirring and feeding mechanism 3 is connected with a secondary sorting mechanism 4; the programmable industrial personal computer 6 is respectively connected with and controls the primary sorting mechanism 1, the lifting and conveying mechanism 2, the manipulator mechanism 5 capable of magnetically attracting metal objects, the stirring and feeding mechanism 3 and the secondary sorting mechanism 4 by electric leads and is jointly connected to the base of the raw coal sorting device;

(1) the primary sorting mechanism 1 includes: the device comprises a rotary screen 101 and a sundries discharging conveying belt 102, wherein the screen body of the rotary screen is obliquely arranged with a high front material inlet part and a low rear material outlet part, a primary material conveying belt is arranged in the longitudinal length direction of the screen body of the rotary screen, the rear part of the primary material conveying belt is connected with a lifting conveying mechanism 2, the sundries discharging conveying belt 102 is transversely arranged at the rear tail material outlet end of the rotary screen, and power motors of the rotary screen 101, the primary material conveying belt and the sundries discharging conveying belt 102 are respectively connected with a programmable industrial personal computer 6 through electric conductors;

(2) the lift conveyor mechanism 2 comprises: the automatic sorting machine comprises a lifting conveying belt machine 201, an adjustable positioning type support frame 202, a lifting conveying belt motor 203 and a discharging diversion bucket 204, wherein the lifting conveying belt machine 201 is connected to the adjustable positioning type support frame 202, the input end of the lifting conveying belt machine is connected with a primary sorting material conveying belt of a primary sorting mechanism 1, the tail part of a conveying belt body is connected with the discharging diversion bucket 204 after inclining to the upper output end and is connected with a stirring and feeding mechanism 3, the lifting conveying belt machine 201 is connected with the lifting conveying belt motor 203, and the lifting conveying belt motor 203 is connected with a programmable industrial personal computer 6 through an electric lead;

(3) the stirring and feeding mechanism 3 includes: the automatic sorting device comprises a feeding box main body 301, feeding box supporting legs 302, a feeding connecting pipe 303, a feeding control valve 304, a feeding flow guide slide carriage 305 and a stirrer, wherein the feeding box main body 301 is a feeding box main body of which the upper box body is a rectangular box body connected lower box body and is a trapezoidal bucket-shaped box body, the feeding flow guide slide carriage 305 is arranged at the interface part of the feeding box main body and is matched with a lifting conveying belt machine 201 of a butt joint lifting conveying mechanism 2, the feeding box supporting legs 302 are arranged at the bottoms of four corners of the box main body, the stirrer is transversely arranged and connected in the inner cavity of the trapezoidal bucket-shaped lower box body, the feeding connecting pipe 303 is arranged and connected in the middle of the bottom plate of the trapezoidal bucket-shaped lower box body, the feeding connecting pipe 303 is connected with the feeding control valve 304, and the bottom of the feeding connecting pipe is connected with a secondary sorting mechanism 4;

(4) the secondary sorting mechanism 4 includes: a second-stage separation box body 401, a first partition plate 402, a second partition plate 403, a coal powder distribution plate 404, a conical second-layer flow distribution plate 405, a first flow distribution plate 406, a second flow distribution plate 408, a coal distribution plate 407, a coal powder output pipe 409, a coal briquette output belt 410, a high-pressure air pipe joint 411 and a high-pressure air control valve 412, wherein the second-stage separation box body 401 is an arch box type second-stage separation box main body with a semicircular arc-shaped upper part and two vertical square box bodies respectively connected to the lower parts of two sides of the second-stage separation box body, the top of the second-stage separation box body 401 is provided with a material conveying connecting pipe 303 with a central interface connected with a stirring and feeding mechanism 3, the inner cavity of the second-stage separation box body 401 is sequentially connected with the first partition plate 402 and the second partition plate 403 which are arranged in parallel to the inner side arch groove plate and the outer side arch groove plate of the box body at intervals from inside to outside, the first partition plate 402 is a sieve plate-shaped plate body with a plurality of micropores formed on the plate body, the first partition plate 402 and the inner-inner side arched groove plate of the sorting box body are connected into an air guide area a in a combined mode, the bottoms of the inner-inner side arched groove plates of the sorting box body on the two sides of the air guide area a are respectively connected with a high-pressure air pipe connector 411, a high-pressure gas control valve 412 is connected to the high-pressure air pipe connector 411, the first partition plate 402, the second partition plate 403 and the outer-side arched groove plate of the sorting box body are connected into a sorting area b in a combined mode, discharge ports are arranged on the two sides of the sorting area b, namely the bottoms of the two vertical box bodies, a pulverized coal output pipe 409 and a coal block output belt 410 are arranged in the discharge ports, and a flow dividing section is arranged on the top of the sorting area b in the inner cavity of the secondary sorting box body 401 in the embodiment, and 2 pulverized coal sections and 1 coal block sections are respectively arranged on the two sides;

(5) said magnetically attractable metal object robot mechanism 5 comprises: the manipulator comprises a manipulator main body 501, a manipulator main body seat frame 502, a manipulator displacement sensor contact 503, a manipulator transverse displacement power motor 504 and a cross arm longitudinal displacement power motor 505, wherein the manipulator main body seat frame 502 is a six-column rectangular main body seat frame, a sliding cross arm 506 capable of sliding back and forth along longitudinal seat frame beams on two sides and the longitudinal seat frame beams on two sides are transversely connected with the cross arm longitudinal displacement power motor 505 connected with the sliding cross arm respectively, a manipulator main body 501 is hung on the sliding cross arm 506, the cross arm bodies on two sides of the manipulator main body are respectively provided with the manipulator displacement sensor contact 503, the two ends of the sliding cross arm 506 are provided with the manipulator transverse displacement power motor 504 of the manipulator main body sliding along the cross arm body, the manipulator main body 501 is a movable manipulator main body composed of a manipulator seat frame disc arranged at the bottom of a manipulator main body suspender, a magnet body 2 is connected at the bottom of the manipulator seat frame disc, a rotary motor 5011 driving a magnet to rotate along the main body suspender is connected on the seat frame disc, and the rotary motor 5011, the manipulator displacement sensor contact 503, the manipulator transverse displacement motor 504 and the cross arm longitudinal displacement power motor 505 are respectively connected with an industrial personal computer power motor 6 through electrical conductors. In this embodiment, the programmable industrial personal computer 6 is a PCL programmable industrial personal computer, and certainly, other applicable programmable industrial personal computers can be used.

Preferably, referring to fig. 1-2, the primary sorting mechanism 1 and the lifting and conveying mechanism 2 of this embodiment are respectively 2 sets of roller screens 101 and 2 sets of lifting and conveying belt machines connected correspondingly and parallelly arranged; certainly, the primary sorting mechanism and the lifting and conveying mechanism can be respectively 3 or 4 sets of rotary screens and 3 or 4 sets of lifting and conveying belt machines which are correspondingly connected in parallel according to actual needs; in the embodiment, the base of the raw coal sorting device is a skid-mounted base 7, a shed cover 8 for covering the raw coal sorting device is mounted on the skid-mounted base 7, the front part of the shed cover 8 is provided with a raw coal adding interface for connecting a drum screen to enter raw coal, the side part of a discharge port of the drum screen is provided with a sundry removing interface, the rear tail part of the shed cover is provided with a pulverized coal output pipe, a coal briquette output belt and a high-pressure air pipe joint interface, and the side body part is also provided with an electric lead interface of an industrial personal computer, so that the closed skid-mounted raw coal sorting device is formed.

Specifically, referring to fig. 1-2, the sundries discharging conveyer belt 102 of the primary sorting mechanism 1 of the present embodiment is a conveyer belt body connected with a sundries conveyer belt motor 103 by a conveyer belt shaft, the sundries conveyer belt motor 103 and the sundries discharging conveyer belt 102 are respectively installed on the base of the raw coal sorting device, and the sundries discharging dustpan 104 is connected to the output end of the sundries discharging conveyer belt 102, and the sundries conveyer belt motor 103 is connected with the programmable industrial personal computer 6 by an electric lead.

For example, referring to fig. 1-fig. 3, the output end of the lifting conveyor belt machine is connected with a discharge guide hopper 204 connected to a feed guide slide carriage 305 installed in the feed inlet of the feed box of the stirring and feeding mechanism 3, and the feed guide slide carriage 305 is a trapezoidal feed guide slide carriage.

Preferably, referring to fig. 4-5, the stirrer in the stirring and feeding mechanism 3 of this embodiment includes a stirring motor 306, a stirring shaft 307, and crushing stirring paddles 308, two end portions of the stirring shaft 307 are respectively connected to the box bodies on two sides of the feeding box main body 301 through bearing seats, the head portion of one end of the stirring shaft 307 is connected to the stirring motor 306, and the shaft body of the stirring shaft is connected to a plurality of uniformly distributed arc-shaped curved-rotating-blade type crushing stirring paddles 308, the crushing stirring paddles 308 mounted on the shaft body of the stirring shaft 307 and located on two sides of the center of the feeding connecting pipe 303 are arranged in opposite spiral directions of a relative structure, and the stirring motor 306 is connected to the programmable industrial personal computer 6 through an electrical conductor.

Specifically, referring to fig. 3-4 and 6-7, in the present embodiment, the flow dividing section at the top of the sorting area b in the inner cavity of the secondary sorting box 401 is a two-layer conical flow dividing plate 405 connected to the arch top of the first partition plate 402, two side edges of the bottom layer of the conical flow dividing plate are fixedly connected to the arch top of the first partition plate 402 in a tangential manner, and the two-layer conical flow dividing plate 405 is arranged at intervals with the second partition plate 403; the coal dust separating segment is formed by symmetrically and respectively connecting 2 inclined coal dust separating plates 404 with an inner high outer low upward inclination angle alpha of 10 degrees on plate bodies on two sides of a second partition plate 403 in a separating area b in an inner cavity of a secondary separation box body 401, and comprises two coal dust separating segments between every two adjacent coal dust separating plates on the upper part and the lower part of the uppermost coal dust separating plate on two sides, wherein the coal dust separating plates 404 are arm plate type coal dust separating plates, one ends of the arm plate type coal dust separating plates are fixedly connected to the plate body of the second partition plate 403, the free end heads of the other arms are arranged at intervals with the plate body of the first partition plate 402, a trumpet-shaped channel with a small inner part and a large outer part is formed between the second partition plate 403 and the coal dust separating plates 404, a channel closing plate 4031 of the second partition plate 403 is a horizontal plate surface, the rear tail ends of the uppermost coal dust separating plate 404 are respectively connected with the first flow dividing plate 406, the first flow dividing plate 406 is a curved arc-shaped plate body parallel to the second partition plate 403, the inner side body of the first flow dividing plate 406 and the outer side separation box body 401 form two inner side channels, and two discharge ports of the secondary separation box body 401; the coal separating block section is formed by connecting two coal separating plates 407 with second flow separating plates 408 vertically arranged on two sides of the bottom of the inner cavity of the secondary separating box body 401 positioned at the lower part of the lowest coal powder separating plate, the second flow separating plates 408 are arranged in parallel with the first partition plate 402, the coal separating plates 407 are inclined coal separating block plates with telescopic structures at two longitudinal ends which are arranged at the same inclination angle as the coal powder separating plates 404, two ends of each coal separating plate 407 are respectively arranged at intervals with the first partition plate 402 and the second partition plate 403, two coal block flow passages at the inner side and the outer side are formed between the inner side body of the second flow separating plate 408 and the first partition plate 402, between the outer side body and the second partition plate 403, and the two coal block flow passages are respectively communicated to two parallel coal block output belts 410 arranged at a discharge port at the bottom of the secondary separating box body 401.

Further specifically, referring to fig. 4 and fig. 6, in this embodiment, a direct distance L1 between a top end of a plate body of the pulverized coal separating plate 404 above the separation region b in the inner cavity of the secondary separation box 401 and the first partition plate 402 is smaller than a direct distance L2 between a top end of a plate body of the pulverized coal separating plate below and the first partition plate, and so on, for example, 3 pulverized coal separating plates are installed, that is, a direct distance between a top end of a plate body of the pulverized coal separating plate above and the first partition plate is sequentially smaller than a direct distance between a top end of a plate body of the pulverized coal separating plate below and the first partition plate, and the pulverized coal separating plate 404 is a pulverized coal separating plate body with a telescopic structure.

Preferably, referring to fig. 4 and fig. 6 of the drawings, in the sieve-plate-shaped plate body of the first partition 401 of this embodiment, the diameter of the pore of the sieve-plate-shaped plate body located at the pulverized coal section of the upper portion of the coal-separating plate 407 is smaller than the diameter of the pore of the sieve-plate-shaped plate body located at the coal block section of the lower portion of the coal-separating plate 407.

For another example, referring to fig. 9, in the second-stage sorting mechanism 4 of this embodiment, vibration tables 9 are further installed and connected to bottoms of two side bodies of a second-stage sorting box body 401, and vibration motors of the vibration tables 9 are connected to the programmable industrial personal computer 6 through electric leads; the top opening part of the second-stage separation box body 401 is connected with a material conveying connecting pipe 303 of the stirring and feeding mechanism 3 and is a telescopic corrugated pipe.

The above is only one example, and on the basis of the above, other technical features and solutions derived from the addition of parts, equivalent substitutions and partial improvements, which are not inventive by the person skilled in the art, are all within the scope of protection of the present patent.

Claims

1. An intelligent self-control two-stage combined stepping type raw coal sorting device is characterized by comprising a raw coal sorting device base, a primary sorting mechanism (1), a lifting conveying mechanism (2), a stirring and feeding mechanism (3), a secondary sorting mechanism (4), a manipulator mechanism (5) capable of magnetically attracting metal objects and a programmable industrial personal computer (6); the rear part of the primary sorting mechanism (1) is connected with a lifting conveying mechanism (2), the upper part of the lifting conveying mechanism (2) is provided with a manipulator mechanism (5) which can magnetically attract metal objects, the rear part of the lifting conveying mechanism is connected with a stirring and feeding mechanism (3), and the lower part of the stirring and feeding mechanism (3) is connected with a secondary sorting mechanism (4); the programmable industrial personal computer (6) is respectively connected with and controls the primary sorting mechanism (1), the lifting and conveying mechanism (2), the manipulator mechanism (5) capable of magnetically attracting metal objects, the stirring and feeding mechanism (3) and the secondary sorting mechanism (4) through electric leads and is jointly connected to a base of the raw coal sorting device;

(1) the primary sorting mechanism (1) comprises a rotary screen (101) and a sundries discharging conveying belt (102), wherein a screen body of the rotary screen is obliquely arranged with a high front material inlet part and a low rear material outlet part, a primary sorting material conveying belt is arranged in the longitudinal length direction of the screen body of the rotary screen, the rear part of the primary sorting material conveying belt is connected with a lifting conveying mechanism (2), the sundries discharging conveying belt (102) is transversely arranged at the rear tail material outlet end of the rotary screen, and power motors of the rotary screen (101), the primary sorting material conveying belt and the sundries discharging conveying belt (102) are respectively connected with a programmable industrial personal computer (6) through electric conductors;

(2) the lifting conveying mechanism (2) comprises a lifting conveying belt machine (201), an adjustable positioning type support frame (202), a lifting conveying belt motor (203) and a discharging guide hopper (204), wherein the lifting conveying belt machine (201) is connected to the adjustable positioning type support frame (202), the input end of the lifting conveying belt machine is connected with a primary material conveying belt of the primary sorting mechanism (1), the tail part of the conveying belt body is connected with the discharging guide hopper (204) after inclining to the upper output end and is connected with the stirring and feeding mechanism (3), the lifting conveying belt machine (201) is connected with the lifting conveying belt motor (203), and the lifting conveying belt motor (203) is connected with the programmable industrial personal computer (6) through an electric lead;

(3) the stirring and feeding mechanism (3) comprises a feeding box main body (301), feeding box supporting legs (302), a conveying connecting pipe (303), a conveying control valve (304), a feeding flow guide slide carriage (305) and a stirrer, wherein the feeding box main body (301) is a feeding box main body of which the upper box body is a rectangular box body combined lower box body is a trapezoidal bucket-shaped box body, a lifting conveying belt machine (201) of the lifting conveying mechanism (2) is matched and butted with the feeding flow guide slide carriage (305) is arranged at an interface part of the feeding box main body, the feeding box supporting legs (302) are arranged at the bottoms of four corners of the box main body, the stirrer is transversely arranged and connected in an inner cavity of the trapezoidal bucket-shaped lower box body, a conveying connecting pipe (303) is arranged and connected at the middle part of a bottom plate of the trapezoidal bucket-shaped lower box body, the conveying connecting pipe (303) is connected with the conveying control valve (304) and the bottom of the conveying connecting pipe (303) is connected with a secondary sorting mechanism (4);

(4) the secondary sorting mechanism (4) comprises a secondary sorting box body (401), a first partition plate (402), a second partition plate (403), a pulverized coal separating plate (404), a conical two-layer flow dividing plate (405), a first flow dividing plate (406), a second flow dividing plate (408), a pulverized coal separating plate (407), a pulverized coal output pipe (409), a coal briquette output belt (410), a high-pressure air pipe joint (411) and a high-pressure gas control valve (412), wherein the secondary sorting box body (401) is an arch box type secondary sorting box main body of which the upper part is a semicircular arc-shaped box body and the lower parts of the two sides are respectively connected with two vertical square box bodies, the top of the secondary sorting box body (401) is provided with a material conveying connecting pipe (303) of which a central interface is connected with a stirring and feeding mechanism (3), the inner cavity of the secondary sorting box body (401) is sequentially connected with the first partition plate (402) and the second partition plate (403) which are arranged in parallel to the inner side arch groove plate and the outer side arch groove plate at intervals from inside to outside, the first partition plate (402) is provided with a sieve plates of a plurality of micropores on the plate body, the plate body is connected with the air guiding plate joint (411 a high-pressure air pipe joint (411 a) at the inner side of the air guiding area of the air pipe joint (411) respectively, a separation area (b) is formed by the first partition plate (402), the second partition plate (403) and the outer arched groove plates of the separation box body in a combined mode, discharge openings are formed in the two sides of the separation area (b), namely the bottoms of the two vertical box bodies, a pulverized coal output pipe (409) and a coal briquette output belt (410) are installed in the discharge openings, a flow distribution section is arranged at the top of the separation area (b) in the inner cavity of the box body (401) of the secondary separation box, and a plurality of pulverized coal separation sections and coal briquette separation sections are arranged on the two sides of the separation area (b);

(5) the manipulator mechanism (5) capable of magnetically attracting metal objects comprises a manipulator main body (501), a manipulator main body seat frame (502), a manipulator displacement sensor contact (503), a manipulator transverse displacement power motor (504) and a cross arm longitudinal displacement power motor (505), the manipulator main body seat frame (502) is a six-upright rectangular main body seat frame, the upper part of the manipulator main body seat frame (502) is transversely provided with a sliding type cross arm (506) which can slide back and forth along longitudinal seat frame beams at two sides, and cross arm longitudinal displacement power motors (505) which are connected with the sliding type cross arm (506) are respectively arranged on the longitudinal seat frame beams at two sides, a manipulator main body (501) is hung on the sliding type cross arm (506), manipulator displacement sensor contacts (503) are respectively arranged on the cross supports at two sides of the manipulator main body, a manipulator transverse displacement power motor (504) for enabling the manipulator main body to transversely slide along the cross supports is arranged at two ends of the sliding type cross arm (506), the manipulator main body (501) is formed by installing a manipulator seat disc at the bottom of a suspender of the manipulator main body, a magnet body (5012) is arranged at the bottom of the manipulator seat disc, a movable manipulator main body consisting of a rotating motor (5011) which is connected with the manipulator seat disc and drives the magnet to rotate along a main body suspender is arranged on the seat disc, the rotary motor (5011), the manipulator displacement sensor contact (503), the manipulator transverse displacement power motor (504) and the cross arm longitudinal displacement power motor (505) are respectively connected with the programmable industrial personal computer (6) through electric leads.

2. An intelligent self-control two-stage combined stepping raw coal sorting device according to claim 1, wherein the primary sorting mechanism (1) and the lifting conveying mechanism (2) are respectively arranged in parallel with each other by 2-4 sets of rotary screens (101) and 2-4 sets of lifting conveying belt machines which are correspondingly connected; the base of the raw coal sorting device is a skid-mounted base (7), a shed cover (8) for covering the raw coal sorting device is arranged on the skid-mounted base (7), a raw coal adding interface for connecting a drum screen to enter raw coal is arranged at the front part of the shed cover (8), an impurity removing interface is arranged at the side part of a discharge port of the drum screen, a pulverized coal output pipe, a coal briquette output belt and a high-pressure air pipe joint interface are arranged at the rear tail part of the shed cover, and an industrial personal computer electric lead inserting interface is also arranged at the side body part of the shed cover, so that the closed skid-mounted raw coal sorting device is formed.

3. An intelligent self-controlled two-stage combined stepping raw coal sorting device according to claim 1, wherein a sundries discharging conveyer belt (102) of the primary sorting mechanism (1) is a conveyer belt body, a sundries conveyer belt motor (103) is connected with the conveyer belt body through a conveyer belt shaft, the sundries conveyer belt motor (103) and the sundries discharging conveyer belt (102) are respectively connected to a base of the raw coal sorting device, and an sundries discharging dustpan (104) is connected to an output end of the sundries discharging conveyer belt (102).

4. An intelligent self-controlled two-stage combined stepping raw coal sorting device according to claim 1, wherein the output end of the lifting conveyor belt machine is connected with a discharge guide hopper (204) and a feed guide slide carriage (305) arranged in a feed box feed interface of the stirring and feeding mechanism (3), and the feed guide slide carriage (305) is a trapezoidal feed guide slide carriage.

5. An intelligent self-control two-stage combined stepping raw coal sorting device according to claim 1, wherein an agitator in the agitating and feeding mechanism (3) comprises an agitating motor (306), an agitating shaft (307) and crushing agitating paddles (308), two ends of the agitating shaft (307) are respectively connected to the box bodies on two sides of the feeding box main body (301) through bearing seats, one end of the agitating shaft (307) is connected with the agitating motor (306), a plurality of uniformly distributed arc-shaped rotary knife type crushing agitating paddles (308) are arranged on the shaft body of the agitating shaft, the crushing agitating paddles (308) arranged on two sides of the center of the conveying connecting pipe (303) on the shaft body of the agitating shaft (307) are arranged in opposite spiral directions of a relative structure, and the agitating motor (306) is connected with the programmable industrial personal computer (6) through an electric lead.

6. An intelligent self-control two-stage combined stepping raw coal sorting device according to claim 1, wherein a flow dividing section in an inner cavity of the secondary sorting box body (401) and positioned at the top of the sorting area (b) is a two-layer conical flow dividing plate (405) connected with the arch top of the first partition plate (402), two side edges of the bottom layer of the conical flow dividing plate are fixedly connected with the arch top of the first partition plate (402) in a tangent mode, and the two-layer conical flow dividing plate (405) is arranged at intervals with the second partition plate (403); the coal dust separating section is characterized in that a plurality of inclined coal dust separating plates (404) with inner high and outer low upward inclination angles (alpha) of 8-18 degrees are symmetrically arranged and connected on plate bodies on two sides of a second partition plate (403) in a separating area (b) in an inner cavity of a secondary separation box body (401), each inclined coal dust separating plate comprises an uppermost coal dust separating plate on two sides and a lowermost two adjacent coal dust separating plate between which a coal dust separating section is arranged, the coal dust separating plates (404) are arm plate type coal dust separating plate bodies, one end of each arm free end is fixedly connected to the plate body of the second partition plate (403), the other arm free end is arranged at intervals with the plate body of the first partition plate (402), and horn-shaped channels with small inner parts and large outer parts are arranged between the second partition plate (403) and the coal dust separating plates (404), the channel opening sealing plate (4031) of the second partition plate (403) is a horizontal plate surface, the rear tail end of the uppermost coal powder distribution plate (404) is respectively connected with a first flow distribution plate (406), the first flow distribution plate (406) is a curved plate body parallel to the second partition plate (403), two coal powder flow channels on the inner side and the outer side are formed between the inner side body of the first flow distribution plate (406) and the second partition plate (403), between the outer side body and an outer side arched groove plate of the second-stage separation box body (401), and the two coal powder flow channels are respectively communicated with two parallel coal powder output pipes (409) arranged at a discharge port at the bottom of the inner cavity of the second-stage separation box body (401); the coal briquette separating section is formed by connecting coal briquette separating plates (407) with second flow dividing plates (408) which are vertically arranged on two sides of the bottom of an inner cavity of a secondary separation box body (401) positioned at the lower part of the lowermost coal briquette separating plate, the second flow dividing plates (408) are arranged in parallel with a first partition plate (402), the coal briquette separating plates (407) are inclined coal briquette separating plates which are arranged at the same inclination angle as the coal briquette separating plates (404) and have telescopic longitudinal ends, two ends of each coal briquette separating plate (407) are respectively arranged at intervals with the first partition plate (402) and a second partition plate (403), two coal briquette flow passages on the inner side and the outer side are formed between the inner side of the second flow dividing plates (408) and the first partition plate (402) and between the outer side and the second partition plate (403), and the two coal briquette flow passages are respectively communicated to two parallel coal briquette output belts (410) arranged at a discharge port at the bottom of the secondary separation box body (401).

7. An intelligent self-control two-stage combined stepping raw coal sorting device according to claim 6, wherein the coal powder separating plate (404) is a telescopic coal powder separating plate body, and the direct distance (L1) between the top end of the coal powder separating plate body (404) above the sorting region (b) in the inner cavity of the second-stage sorting box body (401) and the plate body of the first partition plate (402) is sequentially smaller than the direct distance (L2) between the top end of the coal powder separating plate body below and the plate body of the first partition plate.

8. An intelligent self-control two-stage combined stepping raw coal sorting device according to claim 1, wherein the diameter of the sieve plate body of the first partition plate (401) is smaller than that of the sieve plate body at the coal dust section of the upper part of the coal separating plate (407) than that of the sieve plate body at the coal block section of the lower part of the coal separating plate (407).

9. An intelligent self-control two-stage combined stepping raw coal sorting device according to claim 1, wherein the bottoms of two side bodies of a second-stage sorting box body (401) in the second-stage sorting mechanism (4) are further connected with a vibrating table (9), and a vibrating motor of the vibrating table (9) is connected with a programmable industrial personal computer (6) through an electric lead.