CN215784811U

CN215784811U - Quick net structure and multistage screening combination formula conveying equipment of photovoltaic material of pressing

Info

Publication number: CN215784811U
Application number: CN202122068992.XU
Authority: CN
Inventors: 郭晟
Original assignee: Henan Ruiming Nick Screening Machinery Co ltd
Current assignee: Henan Ruiming Nick Screening Machinery Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-02-11
Anticipated expiration: 2031-08-31

Abstract

The utility model provides a rapid net pressing structure and photovoltaic material multi-stage screening combined conveying equipment, wherein the rapid net pressing structure comprises a groove body, a discharge hole is formed in the bottom surface of the groove body, a screen mesh with a flat plate structure is placed on the bottom surface of the groove body and corresponds to the discharge hole, the edge of the screen mesh is lapped on the bottom surface of the groove body, a side plate is attached to the side wall of the groove body and corresponds to the screen mesh, the lower end of the side plate abuts against the edge of the screen mesh, a gap is reserved between the side edge of the screen mesh and the side wall of the groove body, a bump is arranged on the lower end face of the side plate and corresponds to the gap, the bump is located in the gap and is blocked on the side edge of the screen mesh, and the upper portion of the side plate is fixedly arranged. The side plates are quickly abutted against the screen and limit the screen, so that the aims of quickly assembling and replacing the screen are fulfilled; the plastic plate is arranged in the polyurethane plate, so that the side plate can generate stable acting force on the screen mesh.

Description

Quick net structure and multistage screening combination formula conveying equipment of photovoltaic material of pressing

Technical Field

The utility model relates to screening equipment, in particular to a rapid net pressing structure and photovoltaic material multi-stage screening combined conveying equipment.

Background

With the rapid development of solar batteries and solar power generation industries, the prospect of solar grade polysilicon and the share demand of the market are increasingly strong, and the batch separation of polysilicon particles in the polysilicon processing process is a long-standing problem for most polysilicon enterprises.

The existing sorting mode mainly includes that crushed polycrystalline silicon particles are screened through a first screening line to obtain silicon materials with a first medium specification, then the residual silicon materials on the screening line are collected and transferred to a second screening line to be screened to obtain silicon materials with a second specification, and the silicon materials with different specifications are obtained through sequential circulation.

The screening mode has the advantages of high labor intensity, low efficiency and long processing time, not only increases the human resource cost of enterprises, but also is not matched with the current automatic modern operation and operation mode. Meanwhile, as a plurality of times of transferring processes are required in the screening process, the possibility of polycrystalline silicon particle pollution is greatly increased in the transferring process, and the quality of products is reduced.

CN201820632508.7 multi-specification polycrystalline silicon granule's automatic screening equipment discloses including the shale shaker branch line, the last clearance of shale shaker branch line is provided with first screen cloth, second screen cloth and the third screen cloth that the mesh aperture increases in proper order from the head end to the end, the below of the end of second screen cloth, fourth screen cloth and shale shaker branch line is provided with the transfer chain respectively. This public scheme is through setting up multistage screen cloth and combining the vibratory feed structure, can effectually realize the automatic screening of the polycrystalline silicon granule of different specifications, has avoided the pollution of polycrystalline silicon granule in the transportation, and effectual realization screening efficiency improves, polycrystalline silicon quality improves and the organic combination of enterprise's manpower resources cost reduction. However, the screen is worn and needs to be replaced in the application process, a structure which is convenient for replacing the screen needs to be designed, and in addition, certain defects exist in the details of the scheme, for example, the screen body and the material receiving equipment collide with each other due to rebounding caused by inertia when the equipment is shut down; for another example, a dead angle is formed at an angle between the cone-shaped material guiding hopper and the screen slot, so that the material is retained at the dead angle.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a rapid net pressing structure and a photovoltaic material multi-stage screening combined conveying device.

The utility model provides a press net structure fast, includes the cell body be provided with the discharge gate on the bottom surface of cell body correspond the screen cloth of dull and stereotyped structure has been placed to the position of discharge gate on the bottom surface of cell body, the edge overlap joint of screen cloth is in on the bottom surface of cell body the position laminating that corresponds the screen cloth is provided with the curb plate on the lateral wall of cell body, the lower extreme butt of curb plate is in on the edge of screen cloth, the side of screen cloth with leave the clearance between the lateral wall of cell body the position that corresponds on the lower terminal surface of curb plate the clearance is provided with the lug, the lug is located in the clearance and the stop is in the side of screen cloth, the upper portion of curb plate is fixed to be set up.

The working principle of the utility model is as follows: the screen is placed on the bottom surface of the groove body and covers the discharge hole, the side plate is scratched into the groove body along the side wall surface of the groove body and abuts against the screen, the protruding block is blocked on the side edge of the screen, and the upper portion of the side plate is fixedly arranged, so that the purpose of quickly fixing the screen is achieved.

Further: be equipped with the polyurethane layer on the inner wall of cell body, the screen cloth is the tungsten carbide material, the curb plate is the polyurethane board be provided with the shaping board in the polyurethane board, the lower extreme that moulds the board is located the lower part of polyurethane board, the upper end that moulds the board is located the upper portion of polyurethane board. The shaping plate ensures that the polyurethane plate keeps a plate-shaped structure and is not easy to deform, and the stability of the acting force of the side plate on the screen mesh is ensured; wherein, the polyurethane layer and tungsten carbide can not generate chemical reaction after contacting with the polysilicon particles, thereby ensuring that the polysilicon particles are not damaged.

Further: the upper part of the polyurethane plate is bent to form a bent part, the side wall at the notch of the groove body is outwards turned to form a fixed part, the bent part is attached to and fixedly connected with the fixed part, and the shaping plate extends into the bent part; this kind of stable in structure just facilitates the fixed of polyurethane board.

Further: at least two side plates are arranged on the side wall of each side of the groove body corresponding to the position of the screen, and the side edges of every two adjacent side plates are mutually attached.

The utility model provides a multistage screening combination formula conveying equipment of photovoltaic material, includes the shale shaker branch line, the clearance is provided with the screen cloth that the aperture increases in proper order between the end to the end on the shale shaker branch line, the one-to-one correspondence is provided with respectively under the screen cloth and connects the hopper, the screen cloth is the tungsten carbide material and sets up in the cell body, be provided with the discharge gate on the bottom surface of cell body, connect the hopper to be located under the discharge gate and be close to the discharge gate, the screen cloth of dull and stereotyped structure is placed to the position that corresponds the discharge gate on the bottom surface of cell body, the edge overlap joint of screen cloth is on the bottom surface of cell body, the position laminating that corresponds the screen cloth on the lateral wall of cell body is provided with the curb plate, the lower extreme butt of curb plate is on the edge of screen cloth, leave the clearance between the side of screen cloth and the lateral wall of cell body, be provided with the lug on the lower terminal surface of curb plate corresponding the position in clearance, the lug is positioned in the gap and blocked on the side edge of the screen, and the upper part of the side plate is fixedly arranged; be equipped with the polyurethane layer on the inner wall of cell body, the screen cloth is the tungsten carbide material, the curb plate is the polyurethane board be provided with the shaping board in the polyurethane board, the lower extreme that moulds the board is located the lower part of polyurethane board, the upper end that moulds the board is located the upper portion of polyurethane board.

Further: two discharge ports are arranged on the bottom surface of the groove body.

Further: the cell body divide into first cell body and second cell body, first cell body level sets up, second cell body head end sets up to the tail end slope downwards, first cell body and second cell body end to end and intercommunication each other.

Further: the material guide device is characterized in that a material guide hopper is fixedly and hermetically arranged on the outer wall of the tank body corresponding to the discharge port, the material guide hopper is of a conical structure, the lower end of the conical structure is a small end and is provided with an opening, and the upper end of the conical structure is in transition connection with the bottom surface of the tank body through a vertical connecting plate, so that dead angles between the material guide hopper and the tank body are eliminated.

Further: and a rubber elastic vibration supporting piece is arranged at the joint of the groove body and the frame, so that the shutdown inertia of the vibration motor is eliminated.

The utility model has the beneficial effects that: the side plates are quickly abutted against the screen and limit the screen, so that the aims of quickly assembling and replacing the screen are fulfilled; the plastic plate is arranged in the polyurethane plate, so that the side plate can generate stable acting force on the screen mesh.

Drawings

FIG. 1 is a schematic top view of a rapid mesh pressing structure;

FIG. 2 is a schematic cross-sectional view of AA in FIG. 1;

FIG. 3 is a schematic structural diagram of the area A in FIG. 2;

FIG. 4 is a side panel of the present invention;

FIG. 5 is a schematic view of the structure of the conveying apparatus of the present invention;

fig. 6 is a schematic structural view of the region a in fig. 5.

In the figure, 1, a trough body; 11. a discharge port; 12. a fixed part; 13. a first tank body; 14. a second tank body; 15. a connecting plate; 16. a material guide hopper; 2. a side plate; 21. a plastic plate; 23. a second bent portion; 24. a bending section; 25. a bump; 3. screening a screen; 4. a top cover; 5. a polyurethane layer; 6. a rubber elastic vibration support; 7. a vibration motor; 8. a frame; 9. the receiving hopper.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the utility model. The terms of orientation such as left, center, right, up, down, etc. in the examples of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.

A quick net pressing structure is combined with a figure 1, a figure 2, a figure 3 and a figure 4 and comprises a groove body 1, wherein a discharge hole 11 is formed in the bottom surface of the groove body 1, a screen 3 of a flat plate structure is placed on the bottom surface of the groove body 1 corresponding to the discharge hole 11, the edge of the screen 3 is lapped on the bottom surface of the groove body 1, a side plate 2 is arranged on the side wall of the groove body 1 corresponding to the screen 3 in a laminating mode, the lower end of the side plate 2 abuts against the edge of the screen 3, a gap is reserved between the side edge of the screen 3 and the side wall of the groove body 1, a convex block 25 is arranged on the lower end face of the side plate 2 corresponding to the gap, the convex block 25 is located in the gap and is blocked on the side edge of the screen 3, and the upper portion of the side plate 2 is fixedly arranged.

Wherein, be equipped with polyurethane layer 5 on the inner wall of cell body 1, screen cloth 3 is the tungsten carbide material, curb plate 2 is the polyurethane board be provided with shaping plate 21 in the polyurethane board, shaping plate 21's hardness and toughness are bigger and are difficult for buckling, shaping plate 21's lower extreme is located the lower part of polyurethane board, shaping plate 21's upper end is located the upper portion of polyurethane board. The upper portion bending of polyurethane board sets up and forms kink 24, the lateral wall of 1 slot department of cell body is being turned up and is forming fixed part 12, kink 24 with fixed part 12 laminating setting and fixed connection, it extends to mould the shaped plate 21 in the kink 24, the lower extreme tip of moulding the shaped plate 21 is bent and is set up and form second kink 23, the free end tip of second kink 23 with lug 25 corresponds the setting. At least two side plates 2 are arranged on the side wall of each side of the tank body 1 corresponding to the screen 3, and the side edges of the two adjacent side plates 2 are mutually attached.

The working principle of the rapid net pressing structure is as follows: the screen is placed on the bottom surface of the groove body and covers the discharge hole, the side plate is scratched into the groove body along the side wall surface of the groove body and abuts against the screen, the protruding block is blocked on the side edge of the screen, and the upper portion of the side plate is fixedly arranged, so that the purpose of quickly fixing the screen is achieved.

A photovoltaic material multistage screening combined conveying device is shown by combining figures 1 to 6 and comprises a vibrating screening line, wherein a screen with sequentially increased apertures is arranged on the vibrating screening line from the head end to the tail end, material receiving hoppers 9 are respectively arranged under the screen in a one-to-one correspondence manner, the screen 3 is made of tungsten carbide and is arranged in a tank body 1, a discharge port 11 is arranged on the bottom surface of the tank body 1, the material receiving hoppers 9 are positioned under the discharge port 11 and are close to the discharge port 11, a screen 3 with a flat plate structure is arranged on the bottom surface of the tank body 1 in a position corresponding to the discharge port 11, the edge of the screen 3 is lapped on the bottom surface of the tank body 1, a side plate 2 is arranged on the side wall of the tank body 1 in a position corresponding to the screen 3 in an attaching manner, the lower end of the side plate 2 is butted on the edge of the screen 3, a gap is reserved between the side edge of the screen cloth 3 and the side wall of the tank body 1, a bump 25 is arranged on the lower end face of the side plate 2 corresponding to the gap, the bump 25 is positioned in the gap and blocked on the side edge of the screen cloth 3, and the upper part of the side plate 2 is fixedly arranged; be equipped with polyurethane layer 5 on the inner wall of cell body 1, screen cloth 3 is the tungsten carbide material, curb plate 2 is the polyurethane board be provided with shaping plate 21 in the polyurethane board, the lower extreme of shaping plate 21 is located the lower part of polyurethane board, the upper end of shaping plate 21 is located the upper portion of polyurethane board.

Wherein, be provided with two discharge gates 11 on the bottom surface of cell body 1, cell body 1 divide into first cell body 13 and second cell body 14, first cell body 13 level sets up, second cell body 14 head end to tail end slope set up downwards, first cell body 13 and second cell body 14 end to end and intercommunication each other. A material guide hopper 16 is fixedly and hermetically arranged on the outer wall of the tank body 1 corresponding to the discharge port 11, the material guide hopper 16 is of a conical structure, the lower end of the conical structure is a small-end and is provided with an opening, and the upper end of the conical structure is in transition connection with the bottom surface of the tank body 1 through a vertical connecting plate 15; and a rubber elastic vibration support piece 6 is arranged at the joint of the tank body 1 and the frame 8.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a press mesh structure fast, includes the cell body be provided with the discharge gate on the bottom surface of cell body, its characterized in that: the screen cloth with the flat plate structure is placed on the bottom surface of the groove body corresponding to the discharge port, the edge of the screen cloth is overlapped on the bottom surface of the groove body, a side plate is attached to the side wall of the groove body corresponding to the position of the screen cloth, the lower end of the side plate is abutted to the edge of the screen cloth, a gap is reserved between the side edge of the screen cloth and the side wall of the groove body, a convex block is arranged on the lower end face of the side plate corresponding to the gap, the convex block is located in the gap and is blocked on the side edge of the screen cloth, and the upper portion of the side plate is fixedly arranged.

2. A rapid screening structure according to claim 1, wherein: be equipped with the polyurethane layer on the inner wall of cell body, the screen cloth is the tungsten carbide material, the curb plate is the polyurethane board be provided with the shaping board in the polyurethane board, the lower extreme that moulds the board is located the lower part of polyurethane board, the upper end that moulds the board is located the upper portion of polyurethane board.

3. A rapid screening structure according to claim 2, wherein: the upper portion of polyurethane board is buckled and is set up and form the kink, the lateral wall of cell body notch department is turning up and is forming the fixed part, the kink with fixed part laminating sets up and fixed connection, moulding board extends to in the kink.

4. A rapid screening structure according to claim 2, wherein: at least two side plates are arranged on the side wall of each side of the groove body corresponding to the position of the screen, and the side edges of every two adjacent side plates are mutually attached.

5. The utility model provides a multistage screening combination formula conveying equipment of photovoltaic material, includes the shale shaker line, the clearance is provided with the screen cloth that the aperture increases in proper order between the head end to the end on the shale shaker line the screen cloth is provided with respectively the one-to-one under and connects material hopper, its characterized in that: the screen is made of tungsten carbide and is arranged in the tank body, a discharge port is formed in the bottom surface of the tank body, the material receiving hopper is located under the discharge port and close to the discharge port, a screen with a flat plate structure is placed on the bottom surface of the tank body corresponding to the discharge port, the edge of the screen is lapped on the bottom surface of the tank body, a side plate is attached to the side wall of the tank body corresponding to the position of the screen, the lower end of the side plate is butted against the edge of the screen, a gap is reserved between the side edge of the screen and the side wall of the tank body, a convex block is arranged on the lower end face of the side plate corresponding to the gap, the convex block is located in the gap and blocked on the side edge of the screen, and the upper part of the side plate is fixedly arranged; be equipped with the polyurethane layer on the inner wall of cell body, the screen cloth is the tungsten carbide material, the curb plate is the polyurethane board be provided with the shaping board in the polyurethane board, the lower extreme that moulds the board is located the lower part of polyurethane board, the upper end that moulds the board is located the upper portion of polyurethane board.

6. The combined conveyor equipment for multistage screening of photovoltaic materials as claimed in claim 5, wherein: two discharge ports are arranged on the bottom surface of the groove body.

7. The combined conveyor equipment for multistage screening of photovoltaic materials according to claim 5 or 6, characterized in that: the cell body divide into first cell body and second cell body, first cell body level sets up, second cell body head end sets up to the tail end slope downwards, first cell body and second cell body end to end and intercommunication each other.

8. The combined conveyor equipment for multistage screening of photovoltaic materials as claimed in claim 5, wherein: the outer wall of the tank body is fixedly provided with a material guide hopper corresponding to the discharge port in a sealing mode, the material guide hopper is of a conical structure, the lower end of the conical structure is a small end and is provided with an opening, and the upper end of the conical structure is in transition connection with the bottom surface of the tank body through a vertical connecting plate.

9. The combined conveyor equipment for multistage screening of photovoltaic materials as claimed in claim 5, wherein: and a rubber elastic vibration supporting piece is arranged at the joint of the groove body and the frame.