CN216068125U

CN216068125U - Cutting device with dust fall structure for polycrystalline silicon wafer processing

Info

Publication number: CN216068125U
Application number: CN202122022521.5U
Authority: CN
Inventors: 邹文龙; 张力峰
Original assignee: Suzhou Xuying New Energy Technology Co ltd
Current assignee: Suzhou Xuying New Energy Technology Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-03-18
Anticipated expiration: 2031-08-26

Abstract

The utility model belongs to the technical field of cutting devices, and particularly relates to a cutting device with a dust falling structure for processing a polycrystalline silicon wafer, which comprises a bottom plate, wherein a placing plate is fixedly arranged on the upper side wall of the bottom plate, polycrystalline silicon is fixedly arranged at the upper end of the placing plate, a dust cover is transversely arranged at the upper end of the polycrystalline silicon, an exhaust pipe is fixedly arranged on the left side wall of the dust cover, an exhaust fan is fixedly arranged inside the exhaust pipe, and a filter screen is fixedly arranged at the left end of the exhaust fan, so that the dust cover is directly moved outside the polycrystalline silicon when the polycrystalline silicon is cut, dust generated in the cutting process is prevented from being discharged into the air, and the dust is collected through the exhaust fan and the filter screen, so that the dust is prevented from affecting the health of a human body and causing environmental pollution.

Description

Cutting device with dust fall structure for polycrystalline silicon wafer processing

Technical Field

The utility model relates to the technical field of cutting devices, in particular to a cutting device with a dust falling structure for processing a polycrystalline silicon wafer.

Background

With the continuous development of the photovoltaic industry, the demand of solar grade silicon wafers is increasing. Solar grade silicon wafers are divided into monocrystalline and polycrystalline silicon wafers. Compared with monocrystalline silicon wafers, the polycrystalline silicon wafers outside the electroplating layer have low cost and high growth rate, and the polycrystalline silicon cells in the solar cells always occupy the main market. Because of the high hardness of the polysilicon, the diamond sand line is adopted to process the large-size polysilicon at present.

A large amount of dust can be generated in the process of cutting polycrystalline silicon, the existing cutting device cannot effectively treat the dust generated in the cutting process, and therefore the generated dust is harmful to the bodies of operators and pollutes the air environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cutting device with a dust falling structure for processing a polycrystalline silicon wafer, and the cutting device is used for solving the problems that when the existing cutting device provided in the background technology is used for cutting polycrystalline silicon, dust generated in the cutting process cannot be effectively treated, and the generated dust can pollute the air environment and harm the human health.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a polycrystalline silicon chip processing is with cutting device that has dust fall structure, comprises a base plate, the fixed board of placing that is provided with of last lateral wall of bottom plate, the fixed polycrystalline silicon that is provided with in upper end of placing the board, the upper end of polycrystalline silicon transversely is provided with the dust cover, the fixed exhaust column that is provided with of left side wall of dust cover, the fixed air exhauster that is provided with in inside of exhaust column, the left end of air exhauster is fixed and is provided with the filter screen.

Preferably, the both ends longitudinal fixation of lateral wall is provided with the bracing piece on the bottom plate, two the common horizontal fixed diaphragm that is provided with in upper end of bracing piece, the lower extreme of diaphragm rotates and is provided with the lead screw of symmetry, two the upper end of lead screw pole wall all cup joints and is provided with first belt pulley, the fixed quick-witted case that is provided with of last lateral wall of diaphragm, the fixed first motor that is provided with in inside of machine case, the fixed bull stick that is provided with of output of first motor, the lower extreme of bull stick runs through the lateral wall of diaphragm and extends to the lower extreme of diaphragm and cup joints and be provided with the second belt pulley, two first belt pulley pass through the belt with the second belt pulley rotates and connects, two the equal threaded connection of pole wall of lead screw has first slider, two adjacent one side of first slider all with the lateral wall fixed connection of dust cover.

Preferably, symmetrical cavities are formed in the placing plate, clamping mechanisms are fixedly arranged in the two cavities and comprise moving blocks, the moving blocks are slidably connected with the inner wall of the cavities, first electric push rods are fixedly arranged on the side walls of the moving blocks, the other ends of the first electric push rods are fixedly connected with the inner wall of the cavities, connecting rods are fixedly arranged on one sides, away from the first electric push rods, of the two moving blocks, first connecting blocks are fixedly arranged on the upper ends of the two connecting rods, springs are fixedly arranged in the two first connecting blocks, pressing blocks are fixedly arranged on the other ends of the springs, and one sides, away from the springs, of the two pressing blocks are in contact with the side walls of the polycrystalline silicon.

Preferably, the inside of dust cover transversely is provided with cutting device, cutting device includes the mounting panel, the mounting panel transversely sets up the inside at the dust cover, the fixed second connecting block that is provided with the symmetry of lower lateral wall of mounting panel, two transversely rotate between the second connecting block and be provided with reciprocal lead screw, the left end of reciprocal lead screw is fixed and is provided with the second motor, the pole wall threaded connection of reciprocal lead screw has the second slider, the fixed dead lever that is provided with of lower lateral wall of second slider, the fixed cutting dish that is provided with of lower extreme of dead lever, the inside transversely fixed line of cut dish that is provided with evenly arranges.

Preferably, the upper side wall of mounting panel is fixed and is provided with second electric putter, the upper end of second electric putter with the inner wall fixed connection of dust cover.

Compared with the prior art, the utility model has the beneficial effects that:

through the common cooperation of dust cover, exhaust column, air exhauster and filter screen, be convenient for when cutting polycrystalline silicon, directly remove the dust cover in the outside of polycrystalline silicon, prevent that the dust that produces from discharging in the cutting process from the air, and collect the dust through air exhauster and filter screen, not only avoid the dust to influence human health and prevent to cause environmental pollution.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the exhaust stack of FIG. 1;

FIG. 3 is a schematic view of the cutting device shown in FIG. 1;

fig. 4 is a schematic structural view of the cutting disc of fig. 1.

In the figure: the device comprises a base plate 1, a placing plate 2, polycrystalline silicon 3, a dust cover 4, an exhaust pipe 5, an exhaust fan 6, a filter screen 7, a supporting rod 8, a transverse plate 9, a lead screw 10, a first motor 11, a rotating rod 12, a first sliding block 13, a moving block 14, a first electric push rod 15, a connecting rod 16, a first connecting block 17, a spring 18, a pressing block 19, a mounting plate 20, a second connecting block, a reciprocating lead screw 22, a second motor 23, a second sliding block 24, a fixing rod 25, a cutting disc 26, a cutting line 27 and a second electric push rod 28.

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 is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a cutting device that polycrystal silicon chip processing was with having dust fall structure, includes bottom plate 1, and bottom plate 1's the fixed board 2 that is provided with of last lateral wall places, places the fixed polycrystalline silicon 3 that is provided with in upper end of board 2, and the upper end of polycrystalline silicon 3 transversely is provided with dust cover 4, and the fixed exhaust column 5 that is provided with of left side wall of dust cover 4, the fixed air exhauster 6 that is provided with in inside of exhaust column 5, the left end of air exhauster 6 is fixed and is provided with filter screen 7.

The utility model discloses a bottom plate 1 goes up the both ends longitudinal fixation of lateral wall and is provided with bracing piece 8, the common horizontal fixed diaphragm 9 that is provided with in upper end of two bracing pieces 8, the lower extreme of diaphragm 9 rotates the lead screw 10 that is provided with the symmetry, the upper end of two lead screw 10 pole walls all cup joints and is provided with first belt pulley, the fixed quick-witted case that is provided with of lateral wall on diaphragm 9, the fixed first motor 11 that is provided with in inside of machine case, the fixed bull stick 12 that is provided with of output of first motor 11, the lower extreme of bull stick 12 runs through the lateral wall that the diaphragm 9 extends to the lower extreme of diaphragm 9 and cup joints and is provided with the second belt pulley, two first belt pulleys rotate with the second belt pulley through the belt and are connected, the equal threaded connection of pole wall of two lead screws 10 has first slider 13, two adjacent one sides of first slider 13 all with dust cover 4's lateral wall fixed connection.

The inside of placing board 2 is seted up symmetrical cavity, the inside of two cavities is all fixed and is provided with fixture, fixture includes movable block 14, the inner wall sliding connection of movable block 14 and cavity, the lateral wall of movable block 14 is fixed and is provided with first electric putter 15, the other end of first electric putter 15 and the inner wall fixed connection of cavity, one side that first electric putter 15 was kept away from to two movable blocks 14 all is fixed and is provided with connecting rod 16, the upper end of two connecting rods 16 is all fixed and is provided with first connecting block 17, the inside of two first connecting blocks 17 is all fixed and is provided with spring 18, the other end of two springs 18 is all fixed and is provided with according to briquetting 19, two are according to briquetting 19 keep away from one side of spring 18 all with the lateral wall contact of polycrystalline silicon 3.

Dust cover 4's inside transversely is provided with cutting device, cutting device includes mounting panel 20, mounting panel 20 transversely sets up the inside at dust cover 4, the fixed second connecting block 21 that is provided with the symmetry of lower lateral wall of mounting panel 20, transversely rotate between two second connecting blocks 21 and be provided with reciprocal lead screw 22, the left end of reciprocal lead screw 22 is fixed and is provided with second motor 23, the pole wall threaded connection of reciprocal lead screw 22 has second slider 24, the fixed dead lever 25 that is provided with of lower lateral wall of second slider 24, the fixed cutting dish 26 that is provided with of lower extreme of dead lever 25, the inside transversely fixed line of cut 27 that is provided with even arrangement of cutting dish 26.

The upper side wall of the mounting plate 20 is fixedly provided with a second electric push rod 28, and the upper end of the second electric push rod 28 is fixedly connected with the inner wall of the dust cover 4.

The working principle is as follows: when the device is used, polycrystalline silicon 3 is placed at the upper end of a placing plate 2, a first electric push rod 15 pulls a moving block 14 fixedly connected with the side wall to move, the moving block 14 drives a connecting rod 16 fixedly connected with the side wall to move, the connecting rod 16 drives a pressing block 19 at the upper end to press and fix the polycrystalline silicon 3, a first motor 11 is started, the first motor 11 drives a rotating rod 12 fixedly connected with the lower end to rotate, the rotating rod 12 drives a second belt pulley to rotate, the second belt pulley drives a first belt pulley to rotate through a belt, the first belt pulley drives a lead screw 10 to rotate, the lead screw 10 drives a first slide block 13 in threaded connection with the rod wall to move downwards, two first slide blocks 13 drive a dust cover 4 fixedly connected with the side wall to move downwards, the dust cover 4 is covered at the upper end of the polycrystalline silicon 3, a second electric push rod 28 is started, the second electric push rod 28 drives a cutting device at the lower end to move downwards, a second motor 23 is started, the second motor 23 drives a reciprocating lead screw 22 at the output end to rotate, the reciprocating screw rod 22 drives a second slide block 24 in threaded connection with the rod wall to reciprocate left and right, the second slide block 24 drives a cutting disc 26 fixedly connected with the lower side wall and a cutting line 27 to reciprocate to cut the polycrystalline silicon 3, and when dust is generated in the cutting process, the dust is absorbed by the exhaust fan 6 and filtered by the filter screen 7.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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

Claims

1. The utility model provides a polycrystalline silicon chip processing is with cutting device who has dust fall structure, includes bottom plate (1), its characterized in that, the fixed board (2) of placing that is provided with of last lateral wall of bottom plate (1), the fixed polycrystalline silicon (3) that are provided with in upper end of placing board (2), the upper end of polycrystalline silicon (3) transversely is provided with dust cover (4), the fixed exhaust column (5) that is provided with of left side wall of dust cover (4), the fixed air exhauster (6) that is provided with in inside of exhaust column (5), the left end of air exhauster (6) is fixed and is provided with filter screen (7).

2. The cutting device with the dust falling structure for the polycrystalline silicon wafer processing according to claim 1, wherein: the two ends of the upper side wall of the bottom plate (1) are longitudinally and fixedly provided with supporting rods (8), the upper ends of the two supporting rods (8) are jointly and transversely and fixedly provided with a transverse plate (9), the lower end of the transverse plate (9) is rotatably provided with symmetrical lead screws (10), the upper ends of the two lead screws (10) are respectively provided with a first belt pulley in a sleeved mode, the upper side wall of the transverse plate (9) is fixedly provided with a case, the inside of the case is fixedly provided with a first motor (11), the output end of the first motor (11) is fixedly provided with a rotating rod (12), the lower end of the rotating rod (12) penetrates through the side wall of the transverse plate (9) to extend to the lower end of the transverse plate (9) and is provided with a second belt pulley in a sleeved mode, the two first belt pulleys are rotatably connected with the second belt pulley through belts, the rod walls of the two lead screws (10) are respectively in threaded connection with a first sliding block (13), and one side of each of the two first sliding blocks (13) adjacent to each other is fixedly connected with the side wall of the dust cover (4).

3. The cutting device with the dust falling structure for the polycrystalline silicon wafer processing according to claim 1, wherein: symmetrical cavities are arranged inside the placing plate (2), clamping mechanisms are fixedly arranged inside the two cavities, the clamping mechanism comprises a moving block (14), the moving block (14) is connected with the inner wall of the cavity in a sliding way, the side wall of the moving block (14) is fixedly provided with a first electric push rod (15), the other end of the first electric push rod (15) is fixedly connected with the inner wall of the cavity, one side, far away from the first electric push rod (15), of each of the two moving blocks (14) is fixedly provided with a connecting rod (16), the upper ends of the two connecting rods (16) are fixedly provided with first connecting blocks (17), springs (18) are fixedly arranged inside the two first connecting blocks (17), the other ends of the two springs (18) are fixedly provided with pressing blocks (19), and one side, far away from the springs (18), of each of the two pressing blocks (19) is in contact with the side wall of the polycrystalline silicon (3).

4. The cutting device with the dust falling structure for the polycrystalline silicon wafer processing according to claim 1, wherein: the inside of dust cover (4) transversely is provided with cutting device, cutting device includes mounting panel (20), mounting panel (20) transversely sets up the inside at dust cover (4), the fixed second connecting block (21) that are provided with the symmetry of lower lateral wall of mounting panel (20), two transversely rotate between second connecting block (21) and be provided with reciprocal lead screw (22), the left end of reciprocal lead screw (22) is fixed and is provided with second motor (23), the pole wall threaded connection of reciprocal lead screw (22) has second slider (24), the lower lateral wall of second slider (24) is fixed and is provided with dead lever (25), the fixed cutting disc (26) that is provided with of lower extreme of dead lever (25), the inside transverse fixation of cutting disc (26) is provided with line of cut (27) of evenly arranging.

5. The cutting device with the dust falling structure for the polycrystalline silicon wafer processing according to claim 4, wherein: the upper side wall of mounting panel (20) is fixed and is provided with second electric putter (28), the upper end of second electric putter (28) with the inner wall fixed connection of dust cover (4).