CN113414442A

CN113414442A - Cutting and cutting device for polycrystalline silicon ingot casting

Info

Publication number: CN113414442A
Application number: CN202110813633.4A
Authority: CN
Inventors: 张帅; 朱常任; 魏国
Original assignee: Jiangsu Tuozheng Maoyuan New Energy Co ltd
Current assignee: Jiangsu Tuozheng Maoyuan New Energy Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-09-21
Anticipated expiration: 2041-07-19
Also published as: CN113414442B

Abstract

The invention discloses a cutting and intercepting device for a polycrystalline silicon ingot, which comprises a lifting assembly, a displacement assembly and a cutting assembly, wherein the displacement assembly is arranged on the lifting assembly; the invention belongs to the field of mechanical cutting, and particularly provides a cutting and cutting device for a polycrystalline silicon ingot, which is capable of automatically progressively cutting with high stability.

Description

Cutting and cutting device for polycrystalline silicon ingot casting

Technical Field

The invention belongs to the field of mechanical cutting, and particularly relates to a cutting and intercepting device for a polycrystalline silicon ingot.

Background

In the electronic information device of the semiconductor device of the present generation such as automatic control, information processing, photoelectric conversion, monocrystalline silicon is a basic material for manufacturing the semiconductor device, polycrystalline silicon is a direct raw material for producing the monocrystalline silicon, a polycrystalline silicon cast ingot is formed by condensing molten simple substance silicon in a special die, in order to conveniently process the polycrystalline silicon into the monocrystalline silicon, technicians usually use a professional cutting machine to cut the polycrystalline silicon cast ingot into pieces, but the polycrystalline silicon is hard in texture, a single-chip cutting blade type cutting machine is used for cutting, when the polycrystalline silicon cast ingot is unstably clamped, a cutting blade rotating at a high speed may deflect, if the polycrystalline silicon cast ingot is too fast in progressive speed, the cutting blade is greatly abraded, the normal operation of the cutting machine is seriously influenced, and even the health safety of equipment and human bodies is endangered.

Disclosure of Invention

Aiming at the situation, in order to make up for the existing defects, the invention provides a cutting and intercepting device for automatically cutting a polycrystalline silicon ingot in a progressive and highly stable manner.

The invention provides the following technical scheme: the invention relates to a cutting and intercepting device for a polycrystalline silicon ingot, which comprises a lifting component, a displacement component and a cutting component, wherein the displacement component is arranged on the lifting component; the lifting assembly comprises a supporting shell, lifting screw rods, lifting driving motors and lifting plates, wherein the lifting driving motors are arranged in the supporting shell, one end of each lifting screw rod is rotated to be arranged on the bottom wall of the supporting shell, the lifting screw rods are symmetrically arranged in four groups along the supporting shell, the lifting screw rods are connected through belts and are connected with output shafts of the lifting driving motors, and the four corners of each lifting plate are connected with the four groups of lifting screw rods through threads.

Further, the displacement subassembly includes drive gear, displacement rack, workstation and displacement driving motor, be equipped with the drive chamber in the lifter plate, displacement driving motor locates the drive intracavity of lifter plate, the lifter plate upper surface is located in the workstation slip, the workstation is equipped with the cutting gap along the axis, the workstation lower surface is located to the displacement rack, drive gear locates drive motor power take off axle head, drive gear and displacement rack toothing, drive gear is sector gear.

Further, workstation upper surface is equipped with fixture along the cutting gap, fixture includes fly leaf, fixed plate and hob, the workstation upper surface is located to the fixed plate, the workstation upper surface is equipped with spacing spout, the fly leaf slides and locates in the spacing spout, set up threaded hole on the fly leaf, the hob runs through the fly leaf through the screw hole and rotates and locate on the fixed plate, just fixture is the symmetry setting about the cutting gap.

Further, the cutting assembly comprises a protective shell, a cutting blade, a blade driving motor, a driving gear, driven gears, a lifting slide block and lifting slide grooves, one end of the protective shell is arranged on the supporting shell, two groups of lifting slide grooves are arranged on two opposite inner side walls of the protective shell correspondingly, rollers are arranged at two ends of the lifting slide block, the lifting slide block is arranged in the two groups of lifting slide grooves in a sliding mode through the rollers, sliding grooves are formed in the lifting slide block, the driving gear is rotatably arranged on the inner wall of the protective shell and is connected with a driving gear belt, the driven gears are rotatably arranged on the inner wall of the protective shell and are provided with two groups, the two groups of driven gears are both meshed with the driving gear, protrusions are arranged on the two groups of driven gears, the protrusions are clamped and slidably arranged in the sliding grooves, the blade driving motor is arranged on the lifting slide block, the cutting blade is rotatably arranged on the blade driving motor.

Furthermore, the cutting assemblies are provided with two groups, the two groups of cutting assemblies are an upper cutting assembly and a lower cutting assembly respectively, the two groups of cutting assemblies are symmetrically arranged on the upper surface of the workbench, the lower cutting assembly is provided with a positioning rod, a lifting sliding block of the upper cutting assembly is provided with a sleeve, and the sleeve is arranged on the positioning rod in a sliding mode.

Further, the lower surface of the lower lifting slide block is provided with a supporting spring, the other end of the supporting spring is connected with the bottom wall of the protective shell, and when the lifting slide block moves to the middle position of the driving gear and the driven gear, the supporting spring is in a balanced state.

Furthermore, a supporting plate is arranged on the side wall of the protective shell, a lifting groove is formed in the supporting plate, a lifting spring is arranged in the lifting groove, a tensioning roller is arranged on the upper portion of the lifting groove in a sliding mode, a wheel shaft of the tensioning roller is connected with the lifting spring, and the tensioning roller is matched with the surface of the belt between the driving gear and the driving gear.

The invention with the structure has the following beneficial effects: according to the cutting and chopping device for the polycrystalline silicon ingot, the polycrystalline silicon ingot can be cut while being advanced, the cutter equipment is not easy to damage in the cutting operation process, two groups of blades are matched to cut a single polycrystalline silicon ingot together, the cutting efficiency is improved, the cutting stability is improved, the advancing and cutting actions after the device is started are automatic, and the labor cost is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic overall structure diagram of a cutting and intercepting device for a polycrystalline silicon ingot casting according to the present invention;

FIG. 2 is a front sectional view of a cutting and intercepting device for a polycrystalline silicon ingot of the present invention;

FIG. 3 is a schematic structural diagram of a displacement assembly of the cutting and chopping device for polycrystalline silicon ingots according to the present invention;

FIG. 4 is a schematic structural diagram of a lifting assembly of the cutting and intercepting device for polycrystalline silicon ingots according to the invention;

FIG. 5 is a top view of the lifting assembly of the cutting and intercepting device for polysilicon ingots according to the present invention;

FIG. 6 is a partial enlarged view of portion A of FIG. 5;

fig. 7 is a schematic structural diagram of a state that a cutting blade of a cutting assembly of the cutting and chopping device for polycrystalline silicon ingots is far away.

The cutting device comprises a lifting assembly 1, a lifting assembly 2, a displacement assembly 3, a cutting assembly 4, a supporting shell 5, a lifting screw rod 6, a lifting driving motor 7, a

lifting plate

7, 8, a driving gear 9, a displacement rack 10, a workbench 11, a cutting gap 12, a clamping mechanism 13, a movable plate 14, a fixed plate 15, a screw rod 16, a protective shell 17, a cutting blade 18, a blade driving motor 19, a driving gear 20, a driven gear 21, a lifting slider 22, a lifting sliding groove 23, a roller 24, a sliding groove 25, a positioning rod 26, a sleeve 27, a supporting spring 28, a supporting plate 29, a lifting spring 30, a tensioning roller 31 and a protrusion.

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.

It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1 to 7, the technical scheme adopted by the invention is as follows: the invention relates to a cutting and intercepting device for automatically progressively cutting a polycrystalline silicon ingot with high stability, which comprises a lifting component 1, a displacement component 2 and a cutting component 3, wherein the displacement component 2 is arranged on the lifting component 1, the cutting component 3 is arranged on the lifting component 1, and the upper end of the cutting component 3 is positioned above the lifting component 1; lifting unit 1 includes support housing 4, lifting screw 5, lift driving motor 6 and lifter plate 7, and lift driving motor 6 is located in

support housing

4, and 5 one end rotations of lifting screw locate on the 4 diapalls of support housing, and lifting screw 5 is two bisymmetry along supporting the drain pan and is equipped with four groups, and four groups of lifting screw 5 pass through the belt and connect, and wherein a set of lifting screw 5 links to each other with 6 output shafts of lift driving motor, and lifter plate 7 four corners passes through threaded connection and locates on four groups of lifting screw 5.

The displacement assembly 2 comprises a driving gear 8, a displacement rack 9, a workbench 10 and a displacement driving motor, a driving cavity is arranged in the lifting plate 7, the displacement driving motor is arranged in the driving cavity of the lifting plate 7, a transverse sliding chute is arranged on the upper surface of the workbench 10, the workbench 10 is slidably arranged in the transverse sliding chute, a cutting gap 11 is arranged on the workbench 10 along the central axis, the displacement rack 9 is arranged on the lower surface of the workbench 10, the driving gear 8 is arranged at the power output shaft end of the driving motor, the driving gear 8 is meshed with the displacement rack 9, and the driving gear 8 is a sector gear; a clamping mechanism 12 is arranged on the upper surface of the workbench 10 along the cutting gap 11, the clamping mechanism 12 comprises a movable plate 13, a fixed plate 14 and a screw rod 15, the fixed plate 14 is arranged on the upper surface of the workbench 10, a limiting sliding chute is arranged on the upper surface of the workbench 10, the movable plate 13 is slidably arranged in the limiting sliding chute, a threaded hole is formed in the movable plate 13, one end of the screw rod 15 penetrates through the movable plate 13 through the threaded hole and is rotatably arranged on the fixed plate 14, and the clamping mechanism 12 is symmetrically arranged about the cutting gap 11; the cutting assembly 3 comprises a protective shell 16, a cutting blade 17, a blade driving motor 18, a driving gear 19, driven gears 20, a lifting slide block 21 and lifting slide grooves 22, one end of the protective shell 16 is arranged on the supporting shell 4, two groups of lifting slide grooves 22 are arranged, the two groups of lifting slide grooves 22 are correspondingly arranged on two opposite inner side walls of the protective shell 16, rollers 23 are arranged at two ends of the lifting slide block 21, the lifting slide block 21 is arranged in the two groups of lifting slide grooves 22 in a sliding mode through the rollers 23, a slide groove 24 is arranged on the lifting slide block 21, the driving gear 19 is rotatably arranged on the inner wall of the protective shell 16, the driving gear 19 is connected with a driving gear 8 belt, the driven gears 20 are rotatably arranged on the inner wall of the protective shell 16, the two groups of driven gears 20 are respectively meshed with the driving gear 19, protrusions 31 are arranged on the two groups of driven gears 20, the protrusions 31 are clamped and slidably arranged in the slide grooves 24, the blade driving motor 18 is arranged on the lifting slide block 21, the cutting blade 17 is rotatably arranged on a blade driving motor 18; the cutting assemblies 3 are provided with two groups, the two groups of cutting assemblies 3 are respectively an upper cutting assembly 3 and a lower cutting assembly 3, the two groups of cutting assemblies 3 are symmetrically arranged on the upper surface of the workbench 10, the lower cutting assembly 3 is provided with a positioning rod 25, a lifting slide block 21 of the upper cutting assembly 3 is provided with a sleeve 26, and the sleeve 26 is slidably arranged on the positioning rod 25; the lower surface of the lower lifting slide block 21 is provided with a supporting spring 27, the other end of the supporting spring 27 is connected with the bottom wall of the protective shell 16, and when the lifting slide block 21 moves to the middle position of the driving gear 19 and the driven gear 20, the supporting spring 27 is in a balanced state; the lateral wall of the protective shell 16 is provided with a supporting plate 28, the supporting plate 28 is provided with a lifting groove, a lifting spring 29 is arranged in the lifting groove, the upper part of the lifting groove is provided with a tensioning roller 30 in a sliding manner, a wheel shaft of the tensioning roller 30 is connected with the lifting spring 29, and the upper surface of the tensioning roller 30 is matched with the surface of the belt between the driving gear 19 and the driving gear 8.

When the cutting device is used, a professional places a polycrystalline silicon ingot to be cut between the movable plate 13 and the fixed plate 14, rotates the screw rod 15, the screw rod 15 drives the movable plate 13 to slide along the limiting sliding groove and approach the fixed plate 14, the fixed plate 14 and the movable plate 13 act together to clamp the polycrystalline silicon ingot, the polycrystalline silicon ingot is firmly clamped on the clamping mechanism 12, the lifting driving motor 6 is started, the lifting driving motor 6 drives one group of lifting screw rods 5 to rotate, one group of lifting screw rods 5 drives the other three groups of lifting screw rods 5 to rotate through a belt, the four groups of lifting screw rods 5 rotate together to further drive the lifting plate 7 to ascend or descend, the transverse central line of the polycrystalline silicon ingot is adjusted to be approximately positioned at the tangential positions of the two groups of cutting blades 17, the blade driving motor 18 is started, the cutting blades 17 rotate at a high speed, then the displacement driving motor is started, and the driving gear 8 driven by the displacement driving motor rotates, when the driving gear 8 is meshed with the displacement rack 9, the driving motor drives the workbench 10 to slide along the transverse sliding chute of the lifting plate 7, so that the polycrystalline silicon cast ingot is advanced; when the driving gear 8 rotates, the driving gear 8 drives the driving gear 19 to rotate through the belt, the driving gear 19 is meshed with the driven gear 20, the driving gear 19 drives the driven gear 20 to rotate, the driven gear 20 drives the protrusion 31 on the driven gear to rotate, the protrusion 31 slides along the sliding groove 24, meanwhile, the protrusion 31 drives the lifting slide block 21 to ascend or descend along the lifting sliding groove 22, and then the lifting slide block 21 drives the blade driving motor 18 to ascend or descend, so that the two groups of cutting blades 17 are close to or far away from each other; in the rotating process of the driving gear 8, when teeth of the driving gear 8 are meshed with the displacement rack 9, namely the workbench 10 is moved forwards and transversely, the two groups of cutting blades 17 start to move away, the polycrystalline silicon ingot is not deeply cut, when the teeth of the driving gear 8 are not meshed with the displacement rack 9, namely the workbench 10 stops moving forwards, the two groups of cutting blades 17 start to move close to each other, and the polycrystalline silicon ingot is cut.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cutting of polycrystalline silicon ingot casting cuts device which characterized in that: the cutting device comprises a lifting assembly, a displacement assembly and a cutting assembly, wherein the displacement assembly is arranged on the lifting assembly, the cutting assembly is arranged on the lifting assembly, and the upper end of the cutting assembly is positioned above the lifting assembly; the lifting assembly comprises a supporting shell, lifting screw rods, lifting driving motors and lifting plates, wherein the lifting driving motors are arranged in the supporting shell, one end of each lifting screw rod is rotated to be arranged on the bottom wall of the supporting shell, the lifting screw rods are symmetrically arranged in four groups along the supporting shell, the lifting screw rods are connected through belts and are connected with output shafts of the lifting driving motors, and the four corners of each lifting plate are connected with the four groups of lifting screw rods through threads.

2. The cutting and chopping device for the polycrystalline silicon ingot according to claim 1, wherein: the displacement subassembly includes drive gear, displacement rack, workstation and displacement driving motor, be equipped with the drive chamber in the lifter plate, displacement driving motor locates the drive intracavity of lifter plate, the lifter plate upper surface is located in the workstation slides, the workstation is equipped with the cutting gap along the axis, the workstation lower surface is located to the displacement rack, drive gear locates driving motor power take off axle head, drive gear and displacement rack toothing, drive gear is sector gear.

3. The cutting and chopping device for the polycrystalline silicon ingot according to claim 2, wherein: the utility model discloses a cutting gap, including workstation upper surface, clamping mechanism, fly leaf, fixed plate and hob, the workstation upper surface is located to the fixed plate, the workstation upper surface is equipped with spacing spout, the fly leaf slides and locates in the spacing spout, set up threaded hole on the fly leaf, the hob runs through the fly leaf through the screw hole and rotates to locate on the fixed plate, just clamping mechanism is the symmetry setting about the cutting gap.

4. The cutting and chopping device for the polycrystalline silicon ingot according to claim 1, wherein: the cutting assembly comprises a protective shell, a cutting blade, a blade driving motor, a driving gear, driven gears, two lifting slide blocks and two lifting slide grooves, wherein one end of the protective shell is arranged on the supporting shell, the two lifting slide grooves are provided with two groups, the two groups of lifting slide grooves are correspondingly arranged on two opposite inner side walls of the protective shell, rollers are arranged at two ends of each lifting slide block, the lifting slide blocks are arranged in the two groups of lifting slide grooves in a sliding manner through the rollers, sliding grooves are formed in the lifting slide blocks, the driving gear is rotatably arranged on the inner wall of the protective shell, the driving gear is connected with a driving gear belt, the driven gears are rotatably arranged on the inner wall of the protective shell, the two groups of driven gears are respectively meshed with the driving gear, protrusions are arranged on the two groups of driven gears, the protrusions are clamped and slidably arranged in the sliding grooves, and the blade driving motor is arranged on the lifting slide blocks, the cutting blade is rotatably arranged on the blade driving motor.

5. The cutting and chopping device for the polycrystalline silicon ingot according to claim 4, wherein: the cutting assemblies are two groups, the two groups of cutting assemblies are an upper cutting assembly and a lower cutting assembly respectively, the two groups of cutting assemblies are symmetrically arranged on the upper surface of the workbench, the lower cutting assembly is provided with a positioning rod, a lifting slide block of the upper cutting assembly is provided with a sleeve, and the sleeve is slidably arranged on the positioning rod.

6. The cutting and chopping device for the polycrystalline silicon ingot according to claim 4, wherein: the lower surface of the lower lifting slide block is provided with a supporting spring, and the other end of the supporting spring is connected with the bottom wall of the protective shell.

7. The cutting and chopping device for the polycrystalline silicon ingot according to claim 4, wherein: the belt conveyor is characterized in that a supporting plate is arranged on the side wall of the protective shell, a lifting groove is formed in the supporting plate, a lifting spring is arranged in the lifting groove, a tensioning roller is arranged on the upper portion of the lifting groove in a sliding mode, a wheel shaft of the tensioning roller is connected with the lifting spring, and the tensioning roller is matched with the surface of a belt between the driving gear and the driving gear.