CN112642515A

CN112642515A - Polycrystalline silicon crushing, sorting and packaging system

Info

Publication number: CN112642515A
Application number: CN202011226081.9A
Authority: CN
Inventors: 石何武; 严大洲; 张升学; 杨永亮; 郑红梅; 汤传斌; 肖荣晖
Original assignee: China ENFI Engineering Corp
Current assignee: China ENFI Engineering Corp
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-04-13

Abstract

The invention relates to and discloses a polycrystalline silicon crushing, sorting and packaging system which comprises a crushing unit, a screening unit, an automatic bagging unit, an automatic box opening, sealing and packaging unit and an automatic boxing and stacking unit, so that polycrystalline silicon is crushed, screened, bagged, boxed, stacked and packaged and the like, the automation degree of the polycrystalline silicon crushing, sorting and packaging system is improved, the production efficiency of the polycrystalline silicon crushing, sorting and packaging system is improved, the labor intensity of operators is reduced, the labor cost is reduced, and the problem that too many operators are required to be configured in labor-intensive production activities is solved fundamentally.

Description

Polycrystalline silicon crushing, sorting and packaging system

Technical Field

The invention belongs to the field of polycrystalline silicon production, and particularly relates to a polycrystalline silicon crushing, sorting and packaging system.

Background

The polycrystalline silicon is a basic raw material of a solar cell and an integrated circuit, the polycrystalline silicon is manufactured, an improved Siemens process production method is mainly applied, the final product of the production method is rod-shaped polycrystalline silicon deposited from a reduction furnace in a vapor phase mode, and the rod-shaped polycrystalline silicon is generally required to be crushed into lump polycrystalline silicon according to actual requirements. In the related technology, most of the rod-shaped polycrystalline silicon is manually crushed, and along with the sharp increase of the polycrystalline silicon production capacity, the rod-shaped polycrystalline silicon is excessively configured by crushing packing personnel, the crushing cost is increased, the product quality of the polycrystalline silicon is difficult to ensure, and often unknown impurities are introduced into a high-purity polycrystalline silicon product, so that the quality of the polycrystalline silicon product is reduced.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.

Therefore, the embodiment of the invention provides a polycrystalline silicon crushing, sorting and packaging system. This broken package system that selects separately of polycrystalline silicon can carry out operations such as breakage, screening, bagging-off, vanning and pile up neatly packing to polycrystalline silicon, has improved the broken degree of automation, the production efficiency who selects separately the package system of polycrystalline silicon.

The polycrystalline silicon crushing, sorting and packaging system comprises a crushing unit, wherein the crushing unit comprises a first conveying device and a crusher, the first conveying device is used for conveying silicon rods, a feeding hole of the crusher is matched with a discharging end of the first conveying device, the crusher is a jaw crusher, one end of a bearing channel of the jaw crusher is connected with the feeding hole, and the other end of the bearing channel is matched with a jaw plate; the screening unit comprises an automatic screening machine tool and a second conveying device, the automatic screening machine tool is matched with a discharge port of the crusher, and the second conveying device is matched with a discharge port of the automatic screening machine tool; the automatic bagging unit is arranged at the downstream of the screening unit and comprises an automatic bag opening machine, an automatic discharging weighing machine, an automatic steering bag pouring machine, an automatic sealing machine and a bar code printer, the inlet end of the automatic discharging weighing machine is matched with the automatic bag opening machine, the automatic discharging weighing machine is positioned below the outlet end of the second conveying device, the automatic sealing machine is positioned at the downstream of the automatic discharging weighing machine, the automatic steering bag pouring machine is arranged between the automatic sealing machine and the outlet end of the automatic discharging weighing machine, and the bar code printer is positioned at the downstream of the automatic sealing machine; the automatic unpacking, sealing and packaging unit is arranged at the downstream of the automatic bagging unit and comprises an automatic unpacking machine, a third conveying device, an automatic cover folding and sealing machine, an automatic jacking steering machine, an automatic carton labeling machine and a fourth conveying device, wherein the feeding end of the third conveying device is matched with the automatic unpacking machine, the discharging end of the third conveying device is matched with the feeding end of the fourth conveying device, the automatic cover folding and sealing machine, the automatic jacking steering machine and the automatic carton labeling machine are sequentially arranged, and each of the automatic cover folding and sealing machine, the automatic jacking steering machine and the automatic carton labeling machine is matched with the fourth conveying device; and the automatic boxing and stacking unit is arranged at the downstream of the automatic unpacking, sealing and packaging unit and comprises a stacking robot, a stack supplying machine, an automatic arrow penetrating and packaging machine, an automatic peritoneum winding machine, a fifth conveying device and a sixth conveying device, the feeding end of the fifth conveying device is matched with the stack supplying machine, the discharging end of the fifth conveying device is matched with each of the feeding end of the sixth conveying device and the discharging end of the fourth conveying device, the stacking robot is positioned between the discharging end of the fifth conveying device, the feeding end of the sixth conveying device and the discharging end of the fourth conveying device, the automatic arrow penetrating and packaging machine and the automatic peritoneum winding machine are sequentially arranged, and each of the automatic arrow penetrating and packaging machine and the automatic peritoneum winding machine is matched with the sixth conveying device.

Therefore, the polysilicon crushing, sorting and packaging system 100 according to the embodiment of the invention has the advantages of high automation degree, high working efficiency and the like.

The jaw plate of the jaw crusher, the feed inlet and the receiving channel of the jaw crusher are all made of tungsten carbide hard alloy.

The material channel of the automatic screening machine tool is provided with a polytetrafluoroethylene layer, and the feed inlet of the automatic screening machine tool is provided with the polytetrafluoroethylene layer.

The automatic screening machine tool is provided with a first screening discharge port, a second screening discharge port, a third screening discharge port and a fourth screening discharge port, the number of the second conveying devices is four, each position of the first screening discharge port, the second screening discharge port, the third screening discharge port and the fourth screening discharge port is matched with the corresponding feed end of the second conveying device, and the outlet end of each second conveying device is matched with the automatic blanking weighing machine.

An inner sieve plate and an outer sieve plate are mounted at the first screening discharge port, the second screening discharge port and the third screening discharge port of the automatic screening machine tool, the size of a sieve pore of the inner sieve plate at the first screening discharge port is 150mm, and the size of a sieve pore of the outer sieve plate at the first screening discharge port is 30 mm; the size of the sieve pores of the inner sieve plate of the second screening discharge hole is 30mm, and the size of the sieve pores of the outer sieve plate of the second screening discharge hole is 10 mm; the size of the sieve pore of the inner sieve plate of the third screening discharge port is 10mm, and the size of the sieve pore of the outer sieve plate of the third screening discharge port is 2 mm; and a sieve plate with the size of 2mm is installed at the discharge port of the fourth sieve.

The automatic bagging unit further comprises a quality detector, and the quality detector is arranged between the automatic sealing machine and the bar code printer.

And a dust removal device is arranged above the feed inlet of the jaw crusher.

The automatic unpacking, sealing and packaging unit further comprises an automatic partition placing machine, the automatic partition placing machine is arranged between the automatic unpacking machine and a feed inlet of the fourth conveying device, and the automatic partition placing machine is matched with the third conveying device.

The first conveying device is a bucket elevator, the second conveying device is a conveyor belt, the third conveying device and the fourth conveying device are roller conveyors, and the sixth conveying device and the fifth conveying device are chain conveyors.

Drawings

Fig. 1 is a schematic structural diagram of a polysilicon crushing, sorting and packaging system.

Fig. 2 is a schematic diagram of the construction of an automatic crushing system.

FIG. 3 is a schematic view of the structure of the automatic bagging unit and the sieving unit

Fig. 4 is a schematic structural diagram of the automatic box opening, sealing and packaging unit.

Fig. 5 is a schematic structural diagram of the automatic box packing and stacking device.

Reference numerals:

a polysilicon crushing, sorting and packaging system 100;

a crushing unit 1; a first conveying device 101; a crusher 102;

an automatic bagging unit 2; a sieving unit 21; an automatic screening machine 201; a second conveyor 202; an automatic capper 203; a barcode printer 204; an automatic bag opener 205; an automatic discharge weighing machine 206; a quality detector 207;

an automatic unpacking, sealing and packing unit 3; an automatic packing and unpacking machine 301; an automatic cover folding and box sealing machine 302; the automatic jacking steering gear 303; an automatic carton labeling machine 304; the fourth conveying device 305; an automatic separator placer 306; a third conveying device 307;

an automatic boxing and stacking unit 4; a stacking robot 401; a stack feeder 402; an automatic arrow-threading packer 403; an automated peritoneal wrapping machine 404; a fifth conveyance device 405; a sixth conveyor 406.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

As shown in fig. 1 to 5, a polysilicon crushing, sorting and packaging system 100 according to an embodiment of the present invention includes a crushing unit 1, a sieving unit 21, an automatic bagging unit 2, an automatic box opening, sealing and packaging unit 3, and an automatic box packing and palletizing unit 4.

The crushing unit 1 comprises a first conveyor 101 for transporting polycrystalline silicon and a crusher 102, the feed inlet of the crusher 102 cooperating with the discharge end of the first conveyor 101. Wherein, the crusher 102 is a jaw crusher, one end of a receiving channel of the jaw crusher is connected with the feed inlet, and the other end of the receiving channel is matched with a jaw plate.

The screening unit 21 comprises an automatic screening machine 201 and a second conveyor 202, the automatic screening machine 201 cooperating with the discharge of the crusher 102, the second conveyor 202 cooperating with the discharge of the automatic screening machine 201.

The automatic bagging unit 2 is arranged at the downstream of the sieving unit 21, and the automatic bagging unit 2 comprises an automatic bag opening machine 205, an automatic blanking weighing machine 206, an automatic steering bag pouring machine, an automatic sealing machine 203 and a bar code printer 204. The inlet end of the automatic blanking weighing machine 206 is matched with the automatic bag opening machine 205, the automatic blanking weighing machine 206 is positioned below the outlet end of the second conveying device 202, the automatic sealing machine 203 is positioned at the downstream of the automatic blanking weighing machine 206, the automatic turning bag-pouring machine is arranged between the automatic sealing machine 203 and the outlet end of the automatic blanking weighing machine 206, and the bar code printer 204 is positioned at the downstream of the automatic sealing machine 203.

The automatic unpacking, sealing and packaging unit 3 is disposed downstream of the automatic bagging unit 2, and the automatic unpacking, sealing and packaging unit 3 includes an automatic packing and unpacking machine 301, a third conveying device 307, an automatic flap and sealing machine 302, an automatic jacking and steering machine 303, an automatic carton labeling machine 304, and a fourth conveying device 305. The feed end of the third conveying device 307 is matched with the automatic packing and unpacking machine 301, the discharge end of the third conveying device 307 is matched with the feed end of the fourth conveying device 305, the automatic cover folding and sealing machine 302, the automatic jacking steering machine 303 and the automatic carton labeling machine 304 are sequentially arranged, and each device of the automatic cover folding and sealing machine 302, the automatic jacking steering machine 303 and the automatic carton labeling machine 304 is matched with the fourth conveying device 305.

The automatic boxing and stacking unit 4 is arranged at the downstream of the automatic unpacking, sealing and packaging unit 3, and the automatic boxing and stacking unit 4 comprises a stacking robot 401, a stack supplying machine 402, an automatic arrow penetrating and packaging machine 403, an automatic peritoneum winding machine 404, a fifth conveying device 405 and a sixth conveying device 406. An infeed end of the fifth conveyor 405 cooperates with the palletizer feed 402 and an outfeed end of the fifth conveyor 405 cooperates with each of an infeed end of the sixth conveyor 406 and an outfeed end of the fourth conveyor. The stacking robot 401 is located between the discharge end of the fifth conveyor 405, the feed end of the sixth conveyor 406 and the discharge end of the fourth conveyor 305. The automated arrow wrapping machine 403 and the automated peritoneal wrapping machine 404 are arranged in sequence, and each of the automated arrow wrapping machine 403 and the automated peritoneal wrapping machine 404 is engaged with a sixth conveyor 406.

According to the polycrystalline silicon crushing, sorting and packaging system 100 provided by the embodiment of the invention, the crushing unit 1, the screening unit 21, the automatic bagging unit 2, the automatic unpacking, sealing and packaging unit 3 and the automatic boxing and stacking unit 4 are arranged, so that the polycrystalline silicon can be automatically crushed, screened, bagged, boxed, stacked and packaged, and the like, the automation degree of the polycrystalline silicon crushing, sorting and packaging system 100 is improved, the production efficiency of the polycrystalline silicon crushing, sorting and packaging system 100 is further improved, the labor intensity of operators is reduced, the labor cost is reduced, and the problem that too many operators are required to be configured in labor-intensive production activities is fundamentally solved.

Therefore, the polysilicon crushing, sorting and packaging system 100 according to the embodiment of the invention has the advantages of high automation degree, high production efficiency, low labor intensity of workers and the like.

As shown in fig. 2, the crushing unit 1 comprises a first conveyor 101 for transporting polycrystalline silicon (e.g. a polycrystalline silicon rod) and a crusher 102, the feed inlet of the crusher 102 being fitted with the discharge end of the first conveyor 101, wherein the crusher 102 is a jaw crusher. One end of a receiving channel of the jaw crusher is connected with the feed inlet, and the other end of the receiving channel is matched with the jaw plate. Polycrystalline silicon can be transported to the feed inlet of the jaw crusher by the first conveying device 101, and then the polycrystalline silicon is transported to the jaw plate of the jaw crusher through the receiving channel, and the jaw plate crushes the polycrystalline silicon so as to obtain polycrystalline silicon blocks, thereby realizing the automatic crushing function of the polycrystalline silicon.

Different target silicon briquette particle sizes can be obtained by adjusting the crushing angle and the crushing strength of a jaw plate of the jaw crusher. Therefore, the jaw crusher can be used for crushing the polycrystalline silicon efficiently, the controllable automatic crushing is realized, and the crushing efficiency of the polycrystalline silicon is improved.

Specifically, the discharge end of the first conveying device 101 may be disposed above the feed inlet of the crusher 102, so that the polysilicon may automatically fall into the feed inlet of the jaw crusher by using its own gravity, thereby reducing the repeated labor of manpower.

The jaw plate, the feed inlet and the receiving channel of the jaw crusher are all made of tungsten carbide hard alloy. The hardness of the jaw plate is increased by adopting the tungsten carbide hard alloy, so that the service life of the jaw crusher can be prolonged, and impurities cannot be generated in the polycrystalline silicon crushing process due to the high cleanliness and low abrasion of the tungsten carbide hard alloy, so that the product purity of the polycrystalline silicon cannot be obviously changed in the crushing process, and the quality of the polycrystalline silicon is ensured.

And a dust removal device is arranged above the feed inlet of the jaw crusher. Therefore, the dust generated by the jaw crusher can be absorbed by the dust removing device in the crushing process, so that the cleanness degree of the jaw crusher is ensured, and the operation environment of workers can be improved.

As shown in fig. 3, the screening unit 21 comprises an automatic screening machine 201 and a second conveyor 202, the automatic screening machine 201 cooperating with the discharge of the crusher 102, the second conveyor 202 cooperating with the discharge of the automatic screening machine 201. The broken polycrystalline silicon blocks are conveyed to the automatic screening machine tool 201 through the second conveying device 202, then the automatic screening machine tool 201 screens the silicon blocks, the problems that the traditional screening efficiency is low by workers, the number of workers is large and the like are effectively solved, the screening efficiency is improved, and the number of workshop operators is further reduced.

The material channel of the automatic screening machine 201 is provided with a polytetrafluoroethylene layer, and the feed inlet of the automatic screening machine 201 is provided with the polytetrafluoroethylene layer. Because the polytetrafluoroethylene layer has the advantages of high strength, high purity, good wear resistance and the like, the polycrystalline silicon block can be prevented from introducing new impurities in the screening process, so that the secondary pollution of the polycrystalline silicon block can be avoided, and the quality of the polycrystalline silicon block is further improved.

The automatic screening machine 201 is provided with a first screening discharge port, a second screening discharge port, a third screening discharge port and a fourth screening discharge port, the number of the second conveying devices 202 is four, each of the first screening discharge port, the second screening discharge port, the third screening discharge port and the fourth screening discharge port is matched with the feeding end of the corresponding second conveying device 202, and the outlet end of each second conveying device 202 is matched with the automatic blanking weighing machine 206. That is, each screening and discharging port is connected with a second conveying device 202, so that after the polycrystalline silicon blocks with different grain sizes are screened by the automatic screening machine 201, the polycrystalline silicon blocks can be conveyed to the automatic blanking weighing machine 206 through the second conveying device 202, and the screened polycrystalline silicon blocks are bagged, weighed and conveyed.

An inner sieve plate and an outer sieve plate are arranged at a first screening discharge port, a second screening discharge port and a third screening discharge port of the automatic screening machine tool. The size of the sieve hole of the inner sieve plate of the first sieving discharge hole is 150mm, and the size of the sieve hole of the outer sieve plate of the first sieving discharge hole is 30 mm; the target grain size of the polycrystalline silicon block after screening at the first screening discharge port is 30 mm-150 mm.

The size of the sieve pores of the inner sieve plate of the second sieving discharge port is 30mm, and the size of the sieve pores of the outer sieve plate of the second sieving discharge port is 10 mm; the target granularity of the polycrystalline silicon blocks after being screened by the second screening discharge port is 10 mm-30 mm.

The size of the sieve pore of the inner sieve plate of the third sieving discharge port is 10mm, and the size of the sieve pore of the outer sieve plate of the third sieving discharge port is 2 mm; the target granularity of the polycrystalline silicon blocks after being screened by the third screening discharge port is 2 mm-10 mm.

And a sieve plate with the size of 2mm is arranged at the discharge hole of the fourth sieve. And the target granularity of the polycrystalline silicon block after being screened by the fourth screening discharge port is 2mm or below. Therefore, the requirements of various enterprises on the polycrystalline silicon blocks with different granularity sizes can be met.

As shown in fig. 3, an automatic bagging unit 2 is provided downstream of the sieving unit 21, and the automatic bagging unit 2 includes an automatic bag opener 205, an automatic blanking weigher 206, an automatic bag diverter (not shown), an automatic capper 203, and a barcode printer 204. The inlet end of the automatic blanking weigher 206 is fitted with the automatic bag opener 205, and the automatic sealer 203 is located downstream of the automatic blanking weigher 206. The automatic bag turning and pouring machine is arranged between the outlet ends of the automatic sealing machine 203 and the automatic blanking weighing machine 206, and the bar code printer 204 is positioned at the downstream of the automatic sealing machine 203.

The automatic bag opening machine 205 can automatically open the packaging bag, thereby further reducing the labor intensity of operators and reducing the labor cost. The polysilicon blocks sieved by the automatic blanking weigher 206 below the outlet end of the second conveying device 202 are conveyed by the second conveying device 202, and then the polysilicon blocks can fall into the packaging bags on the second conveying device 206. The automatic discharging and weighing machine 206 has the functions of discharging, weighing, transporting and the like, so that the opened packaging bags can be discharged, weighed and transported on the automatic discharging and weighing machine 206. After the polycrystalline silicon piece that adorns in the wrapping bag reaches the requirement of appointed weight, automatic unloading weighing machine 206 transports the wrapping bag to the discharge gate department of automatic unloading weighing machine 206, conveniently drops the wrapping bag on the automatic bag machine that turns to make the automatic tape rewinder wrapping bag that turns to push away, and then make automatic capper 203 seal the wrapping bag, bar printer 204 beats operations such as sign indicating number to the wrapping bag. The barcode printer 204 can print information such as the weight, the breaking date, the particle size distribution range, the source of the polysilicon chunks, the internal quality of the product, and the like of the polysilicon chunks on the packaging bag, so as to perform primary packaging on the polysilicon chunks.

The automatic bagging unit 2 further includes a quality detector 207, and the quality detector 207 is provided between the automatic sealing machine 203 and the barcode printer 204. The quality detector 207 can detect whether new metal impurities are possibly introduced into the polycrystalline silicon in the packaging bag in the packaging process or not, can detect whether the polycrystalline silicon in the packaging bag reaches the target weight or not, directly conveys qualified products to the bar code printer 204 for labeling, directly rejects the assembly line and returns to the crushing unit 1 if abnormal alarm occurs, and therefore the quality of polycrystalline silicon blocks in the packaging bag is guaranteed to meet the requirements.

As shown in fig. 4, the automatic box opening and sealing and packaging unit 3 is disposed downstream of the automatic bagging unit 2, and the automatic box opening and sealing and packaging unit 3 includes an automatic box packaging and opening machine 301, a third conveying device 307, an automatic flap and sealing machine 302, an automatic lift-up diverter 303, an automatic carton labeling machine 304, and a fourth conveying device 305. The automatic packing and unpacking machine 301 can automatically open the packing box for subsequent packing operation. The feed end of third conveyor 307 cooperates with automatic packing case unpacking machine 301, and the discharge end of third conveyor 307 cooperates with the feed end of fourth conveyor 305 to transport the packing box after will strutting on fourth conveyor 305, thereby make packing box after strutting and the silicon briquette after the preliminary packing join on fourth conveyor 305, make things convenient for the workman to place the wrapping bag that is equipped with the polycrystalline silicon briquette in the packing box. The automatic cover folding and box sealing machine 302 can automatically seal and package the packaging box. The automatic lifting steering machine 303 rotates the side surface of the packing box, which needs to be labeled, to the position corresponding to the automatic carton labeling machine 304, so that the automatic carton labeling machine 304 can label the packing box conveniently. Wherein, the label is printed with the information of the bag number, the weight, the crushing date, the grain diameter and the like of the polysilicon block.

As shown in fig. 5, an automatic box-packing and palletizing unit 4 is disposed downstream of the automatic box-opening and box-sealing and packing unit 3, and the automatic box-packing and palletizing unit 4 includes a stacking robot 401, a stacker supplying machine 402, an automatic arrow-passing packer 403, an automatic peritoneum-wrapping machine 404, a fifth conveyor 405, and a sixth conveyor 406. The infeed end of the fifth conveyor 405 cooperates with the palletizer 402 and the outfeed end of the fifth conveyor 405 cooperates with each of the infeed end of the sixth conveyor 406 and the outfeed end of the fourth conveyor so that pallets within the palletizer 402 may be transported by the fifth conveyor 405 onto the sixth conveyor 406. The automated arrow wrapping machine 403 and the automated peritoneal wrapping machine 404 are arranged in sequence, and each of the automated arrow wrapping machine 403 and the automated peritoneal wrapping machine 404 is engaged with a sixth conveyor 406.

The pallet on the pallet feeder 402 can be transported to the sixth conveyor 406 by the fifth conveyor 405, and the packing box can be placed on the pallet by the stacking robot 401 according to the delivery requirement when the packing box is transported to the discharge end of the fourth conveyor 305. For example: when three boxes need to be shipped, the stacking robot 401 places the three packaged boxes with the polycrystalline silicon blocks on the pallet. The automatic arrow-penetrating packer 403 can bundle the packaging boxes and pallets, thereby ensuring that the packaging boxes are not scattered due to loose bundling in transportation and storage. The automatic peritoneum winding machine 404 can wind the packaging film on the pallet and the packaging box, thereby not only ensuring the aesthetic property of the pallet and the packaging box, but also ensuring the sealing property of the packaging box and further ensuring the quality of the polycrystalline silicon blocks in the packaging box.

The automatic unpacking, sealing and packing unit 3 further comprises an automatic partition placing machine 306, the automatic partition placing machine 306 is arranged between the feed inlets of the automatic unpacking machine 301 and the fourth conveying device 305, and the automatic partition placing machine 306 is matched with the third conveying device 307. Automatic place baffle machine 306 and can place the baffle in the packing box according to actual need to the packing box falls into a plurality of isolation grooves, and every isolation inslot corresponds places a bag silicon briquette, can control the quantity of packing box inner packing bag high-efficiently, prevents that the packing bag after packing in the packing box from putting the hourglass more.

Since the first conveyor 101 is a bucket elevator, and the polycrystalline silicon before being crushed is mostly in the form of a rod, the bucket elevator can prevent the polycrystalline silicon from rolling during transportation, so that the polycrystalline silicon can be efficiently transported.

The second conveying device 202 is a conveyor belt, and the conveyor belt has the advantages of simple structure, stable transportation, low noise, convenience in maintenance and low maintenance cost, so that the crushed polycrystalline silicon is transported.

The third conveyor 307 and the fourth conveyor 305 are both roller conveyors, and in the packing stage, because the packing boxes are heavy after being loaded with silicon blocks, the packing boxes are easy to slip on the conveyor belt, and the roller conveyors can stably and reliably transport the packing boxes loaded with the polysilicon blocks, so that the conveying efficiency of the polysilicon can be further improved by selecting the roller conveyors.

The sixth conveyor 406 and the fifth conveyor 405 are both chain conveyors. Because during pile up neatly packing, place a plurality of packing boxes on same pallet as required, and chain conveyor has that the drive ratio is accurate, the overload capacity is strong, transmission power is great, therefore chain conveyor uses at automatic vanning pile up neatly unit 4 to guarantee that automatic vanning pile up neatly unit 4 can normal operating.

The operation of the polysilicon crushing, sorting and packaging system 100 according to the embodiment of the present invention will be described with reference to fig. 1 to 5.

A crushing stage: finished product polycrystalline silicon rod from carrying in the reduction workshop, after crossbeam and graphite carbon head were got rid of to the manual work, the simple segmentation of rethread, the workman directly put into first conveyor 101 with the silicon rod of segmentation on, transport jaw breaker's entry through first conveyor 101, jaw breaker carries out the breakage to the silicon rod, and screening unit 21 is transported through the conveyer belt to rethread jaw breaker's discharge gate.

A screening stage: the silicon briquette after the breakage sieves on automatic screening lathe 201, sieves the following 4 types with the target granularity size of silicon briquette through the first screening discharge gate, second screening discharge gate, third screening discharge gate and the fourth screening discharge gate of automatic screening lathe 201 after the screening respectively: 30mm to 150mm, 10mm to 30mm, 2mm to 10mm, 2mm and less, before being conveyed to the automatic bagging unit 2 by the second conveyor 202.

And (3) automatic bagging stage: firstly, the automatic bag opening machine 205 is used for opening the packaging bag, the packaging bag is sent to the automatic blanking weighing machine 206, the automatic blanking weighing machine 206 is used for sending the opened packaging bag to the position below the second conveying device 202, the automatic blanking weighing machine 206 is convenient for the screened packaging bag on the automatic blanking weighing machine 206 of the silicon block to carry out blanking and weighing treatment on the silicon block, when the silicon block reaches the target weight, the automatic blanking weighing machine 206 is used for conveying the packaging bag to the discharging end of the packaging bag and then automatically falls onto the automatic turning bag pouring machine, the opening of the packaging bag faces upwards at the moment, the automatic turning bag pouring machine pushes the packaging bag to facilitate the automatic sealing machine 203 to carry out sealing, the sealed packaging bag is conveyed to the quality detector 207, the quality detector 207 is used for judging whether the polycrystalline silicon in the packaging bag reaches the target weight or not, the qualified product is directly conveyed to the bar code printer 204, the manual rejection line is returned to the crushing unit 1 by a worker. The silicon blocks primarily packaged by the packaging bags are conveyed to an automatic unpacking, sealing and packaging unit 3 by a conveying belt.

And (3) automatic unpacking, sealing and packaging stage: firstly, a packing box is placed on an automatic packing and unpacking machine 301 by a worker, the automatic packing and unpacking machine 301 struts the packing box, the packing box is conveyed to an automatic clapboard placing machine 306 through a third conveying device 307, after a clapboard is placed in the packing box by the automatic clapboard placing machine 306, the packing box is conveyed to a feeding end of a fourth conveying device 305 through the third conveying device 307, the worker places the preliminarily packaged silicon blocks in an isolation groove to efficiently control the number of bags of the silicon blocks in the packing box and prevent the silicon blocks in the packing box from being discharged more and more, then the packing box is sealed and packed through an automatic cover folding and packing machine 302, the fourth conveying device 305 is conveyed to an automatic jacking steering machine 303 to rotate the side surface of the packing box needing to be labeled to the position corresponding to the automatic carton labeling machine 304, so that the automatic carton labeling machine 304 labels the packing box, and specific information of the silicon blocks in the packing box is marked on the label, for example: weight, number of pockets, nominal grain size of the silicon block, and the like. And then transported to the automated case palletizing unit 4 by the fourth conveyor 305.

Automatic packing and stacking stage: the package is transported to the discharge end of the fourth conveyor 305 and the pallet on the pallet feeder 402 is transported to the discharge end of the sixth conveyor 406 by the fifth conveyor 405 so that the pallet meets the package, and then the palletizer robot 401 can place the package on the pallet according to the requirements of shipment, for example: three boxes need to be delivered, the stacking robot 401 places the three boxes of packed silicon blocks on the pallet, and the silicon blocks are transported to the automatic arrow-passing packing machine 403 to be bound through the sixth conveying device 406, so that the silicon blocks are guaranteed not to fall off due to loose binding in transportation and storage, and finally the pallet and the packing box are wound with a packing film through the automatic peritoneum winding machine 404, so that the attractiveness of the pallet and the packing box is guaranteed, the sealing performance of the packing box is guaranteed, and the quality of the silicon blocks in the packing box is prevented.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A polysilicon crushing, sorting and packaging system is characterized by comprising:

the silicon rod crushing device comprises a crushing unit (1), wherein the crushing unit (1) comprises a first conveying device (101) and a crusher (102) which are used for conveying silicon rods, a feeding hole of the crusher (102) is matched with a discharging end of the first conveying device (101), the crusher (102) is a jaw crusher, one end of a receiving channel of the jaw crusher is connected with the feeding hole, and the other end of the receiving channel is matched with a jaw plate;

the screening unit (21) comprises an automatic screening machine tool (201) and a second conveying device (202), the automatic screening machine tool (201) is matched with a discharge port of the crusher (102), and the second conveying device (202) is matched with the discharge port of the automatic screening machine tool (201);

the automatic bagging unit (2), establish in the low reaches of screening unit (21) automatic bagging unit (2), automatic bagging unit (2) is including automatic bag machine (205) of opening, automatic unloading weighing machine (206), automatic turn to bag machine, automatic capper (203) and bar code printer (204) down, the entrance point of automatic unloading weighing machine (206) with automatic bag machine (205) cooperation of opening, automatic unloading weighing machine (206) are located the below of the exit end of second conveyor (202), automatic capper (203) are located the low reaches of automatic unloading weighing machine (206), the automatic turn to bag machine of falling is established between the exit end of automatic capper (203) and automatic unloading weighing machine (206), bar code printer (204) are located the low reaches of automatic capper (203);

the automatic unpacking, sealing and packaging unit (3) is arranged at the downstream of the automatic bagging unit (2), the automatic unpacking, sealing and packaging unit (3) comprises an automatic packing and unpacking machine (301), a third conveying device (307), an automatic cover folding and sealing machine (302), an automatic jacking steering machine (303), an automatic carton (304) and a fourth conveying device (305), the feeding end of the third conveying device (307) is matched with the automatic packing and unpacking machine (301), the discharging end of the third conveying device (307) is matched with the feeding end of the fourth conveying device (305), the automatic cover folding and sealing machine (302), the automatic jacking steering machine (303) and the automatic carton labeling machine (304) are sequentially arranged, each piece of equipment in the automatic cover folding and box sealing machine (302), the automatic jacking steering machine (303) and the automatic carton labeling machine (304) is matched with a fourth conveying device (305); and

the automatic boxing and stacking unit (4) is arranged at the downstream of the automatic unpacking, sealing and packaging unit (3), the automatic boxing and stacking unit (4) comprises a stacking robot (401), a stack supplying machine (402), an automatic arrow penetrating and packaging machine (403), an automatic peritoneum wrapping machine (404), a fifth conveying device (405) and a sixth conveying device (406), the feeding end of the fifth conveying device (405) is matched with the stack supplying machine (402), the discharging end of the fifth conveying device (405) is matched with each of the feeding end of the sixth conveying device (406) and the discharging end of the fourth conveying device (305), the stacking robot (401) is positioned between the discharging end of the fifth conveying device (405), the feeding end of the sixth conveying device (406) and the discharging end of the fourth conveying device (305), the automatic arrow penetrating and packaging machine (403) and the automatic peritoneum wrapping machine (404) are sequentially arranged, each of the automated arrow baler (403) and automated peritoneal wrapping machine (404) is engaged with a sixth conveyor (406).

2. The polysilicon crushing, sorting and packaging system according to claim 1, wherein the jaw plate of the jaw crusher, the feed port and the receiving channel of the jaw crusher are all made of tungsten carbide cemented carbide.

3. The polysilicon crushing, sorting and packaging system according to claim 1, wherein the material channel of the automatic sieving machine (201) is provided with a polytetrafluoroethylene layer, and the feed inlet of the automatic sieving machine (201) is provided with a polytetrafluoroethylene layer.

4. The polysilicon crushing, sorting and packaging system according to claim 1, wherein the automatic screening machine (201) has a first screening discharge port, a second screening discharge port, a third screening discharge port and a fourth screening discharge port, the number of the second conveying devices (202) is four, each of the first screening discharge port, the second screening discharge port, the third screening discharge port and the fourth screening discharge port is matched with the feed end of the corresponding second conveying device (202), and the outlet end of each second conveying device (202) is matched with the automatic blanking weighing machine (206).

5. The polysilicon crushing, sorting and packaging system according to claim 4, wherein the first screening discharge port, the second screening discharge port and the third screening discharge port of the automatic screening machine (201) are all provided with an inner screen plate and an outer screen plate, the size of the screen hole of the inner screen plate of the first screening discharge port is 150mm, and the size of the screen hole of the outer screen plate of the first screening discharge port is 30 mm; the size of the sieve pores of the inner sieve plate of the second screening discharge hole is 30mm, and the size of the sieve pores of the outer sieve plate of the second screening discharge hole is 10 mm; the size of the sieve pore of the inner sieve plate of the third screening discharge port is 10mm, and the size of the sieve pore of the outer sieve plate of the third screening discharge port is 2 mm; and a sieve plate with the size of 2mm is installed at the discharge port of the fourth sieve.

6. The polysilicon crushing, sorting and packaging system according to claim 1, wherein the automatic bagging unit (2) further comprises a quality detector (207), and the quality detector (207) is disposed between the automatic sealing machine (203) and the barcode printer (204).

7. The polysilicon crushing, sorting and packaging system according to claim 1, wherein a dust removing device is provided above the feed inlet of the jaw crusher (102).

8. The polysilicon crushing, sorting and packaging system according to claim 1, wherein the automatic unpacking, sealing and packaging unit (3) further comprises an automatic separator placer (306), the automatic separator placer (306) is disposed between the automatic unpacking machine (301) and the feed inlet of the fourth conveyor (305), and the automatic separator placer (306) cooperates with the third conveyor (307).

9. The polysilicon crushing, sorting and packaging system according to claim 1, wherein the first conveying device (101) is a bucket elevator, the second conveying device (202) is a conveyor belt, the third conveying device (305) and the fourth conveying device (305) are both roller conveyors, and the sixth conveying device (406) and the fifth conveying device (405) are both chain conveyors.