CN218397300U

CN218397300U - Rotating device for polishing inner surface of quartz crucible

Info

Publication number: CN218397300U
Application number: CN202221412280.3U
Authority: CN
Inventors: 靳立辉; 姚长娟; 杨骅; 任志高; 王国瑞; 杨恒; 青格勒图
Original assignee: Tianjin Huanbo Science and Technology Co Ltd
Current assignee: Tianjin Huanbo Science and Technology Co Ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2023-01-31
Anticipated expiration: 2032-06-01

Abstract

The utility model provides a polishing quartz crucible internal surface is with rotating device, including the equipment support, compress tightly subassembly, two parallel arrangement's brace rod, the backing roll is connected with the equipment support rotation, and one of them brace rod correspondence is equipped with drive brace rod pivoted runner assembly, it includes mounting panel, lifter plate, two parallel arrangement's direction rod to compress tightly the subassembly, the direction rod rotates with the lifter plate to be connected, the direction rod is corresponding with the position of waiting to polish the crucible, mounting panel and equipment support fixed connection, be equipped with the lifting unit that the drive lifter plate goes up and down on the mounting panel. The utility model discloses beneficial effect: the labor intensity of workers is reduced, the polishing efficiency is improved, and the production cost is reduced.

Description

Rotating device for polishing inner surface of quartz crucible

Technical Field

The utility model belongs to the technical field of quartz crucible polishes, especially, relate to a rotating device for polishing quartz crucible internal surface.

Background

The quartz crucible is an important tool for pulling single crystal silicon, and has an important influence on the crystal pulling rate, the crystal pulling frequency and the quality of a crystal bar. The quartz sand of quartz crucible can take place to gasify in the monocrystalline silicon founding in-process, can solidify into white solid particle and attach to the crucible internal surface after waiting that the temperature reduces, and this part granule can improve the roughness of crucible internal surface, consequently quartz crucible uses and will polish to its internal surface after a period of time, and the operation mode of polishing quartz crucible internal surface at present is that artifical handheld angle mill polishes, and such operation mode has following problem: firstly, the labor intensity of workers is high, the polishing efficiency is low, and the production cost is improved; secondly, the thickness that the process of artifical polishing ground is not unanimous, leads to polishing the quality and can't guarantee.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a rotating device for polishing quartz crucible internal surface to solve the current crucible and polish that workman intensity of labour is big in the operation, and it is inefficient to polish, problem that manufacturing cost is high.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a rotating device for polishing the inner surface of a quartz crucible comprises an equipment bracket, a pressing component and two supporting rollers arranged in parallel, wherein the supporting rollers are rotationally connected with the equipment bracket, and one of the supporting rollers is correspondingly provided with a rotating component for driving the supporting rollers to rotate;

compress tightly the subassembly and include mounting panel, lifter plate, two parallel arrangement's direction rod, the direction rod rotates with the lifter plate to be connected, the direction rod is corresponding with the position of waiting to polish the crucible, mounting panel and equipment support fixed connection, be equipped with the lifting unit that the drive lifter plate goes up and down on the mounting panel.

Further, the lifting component is a cylinder, a shell of the cylinder is fixedly connected with the mounting plate, an output shaft of the cylinder is fixedly connected with the lifting plate, a guide post is fixedly arranged on the lifting plate, a linear bearing matched with the guide post is arranged on the mounting plate, and the guide post is mounted on the inner side of the linear bearing.

Furthermore, the number of the guide columns is multiple, one ends of the guide columns, far away from the lifting plate, are fixedly connected through a connecting plate, a first threaded hole is formed in the connecting plate, a limiting bolt is arranged in the first threaded hole and is in threaded connection with the connecting plate, and a limiting column corresponding to the limiting bolt is arranged on the end face, close to the connecting plate, of the mounting plate;

the limiting column is detachably connected with the mounting plate.

Furthermore, a buffer is arranged on the lower end face of the connecting plate, a shell of the buffer is fixedly connected with the connecting plate, the lower end face of a stress shaft of the buffer is lower than the lower end face of the limiting bolt, and a limiting column corresponding to the buffer is arranged on the end face, close to the connecting plate, of the mounting plate;

the limiting column is detachably connected with the mounting plate.

Furthermore, the type of spacing post is multiple, and the height of the spacing post of different models is different, is applicable to the spacing to the different strokes of cylinder.

Furthermore, the rotating assembly is a motor, a shell of the motor is fixedly connected with the equipment support, a first chain wheel is fixedly arranged on an output shaft of the motor, a second chain wheel corresponding to the first chain wheel is fixedly arranged on one of the supporting rollers, and the first chain wheel and the second chain wheel are connected in a matched mode through a chain.

Further, the spacing subassembly of treating the spacing crucible bottom of polishing has set firmly on the equipment support, spacing subassembly includes riser, regulating plate, carousel, regulating plate and riser cooperation installation, riser and equipment support fixed connection, the carousel rotates with the regulating plate to be connected, the axis of carousel and the axis coincidence of treating the crucible of polishing.

Furthermore, a threaded hole II is formed in the vertical plate, a strip-shaped through hole corresponding to the threaded hole II is formed in the adjusting plate, and an adjusting bolt is arranged on the inner side of the strip-shaped through hole and is in threaded connection with the vertical plate.

Furthermore, a gasket is fixedly arranged on the end face, close to the crucible to be polished, of the rotary table, and the gasket is a structural member made of polyurethane.

Furthermore, the outside of backing roll, guide bar all sets firmly the antiskid cover, the antiskid cover is the structure of polyurethane material.

Compared with the prior art, a quartz crucible internal surface of polishing use rotating device have following beneficial effect:

(1) A quartz crucible for internal surface rotating device polishes, start the runner assembly and drive the area crucible rotation of polishing, then use the angle mill to treat the internal surface of the crucible of polishing and polish, the different frequent change position of polishing of in-process of polishing has reduced workman's intensity of labour, has improved the efficiency of polishing, has reduced manufacturing cost.

(2) A polish quartz crucible internal surface and use rotating device, the antiskid cover of polyurethane material has good wearability, has prolonged backing roll and guide rod life, and has certain elasticity and guarantee and treat the crucible surface area of contact who polishes, and then increased the antiskid cover and treat the frictional force between the crucible of polishing.

Drawings

The accompanying drawings, which form a part of the present disclosure, are included to provide a further understanding of the present disclosure, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and together with the description serve to explain the present disclosure. In the drawings:

fig. 1 is a schematic perspective view of an apparatus according to an embodiment of the present invention;

fig. 2 is a schematic view of a mounting structure of a supporting roller according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a pressing assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a point a in fig. 3 according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a spacing assembly according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a location B in fig. 5 according to an embodiment of the present invention.

Description of reference numerals:

1-an equipment rack; 2-a limiting component; 3-a pressing component; 4-supporting the roller; 5-polishing the crucible; 6-a limit bolt; 7-a buffer; 8-a limiting column; 301-a cylinder; 302-mounting plate; 303-a guide post; 304-a guide stick; 305-linear bearings; 306-a connection plate; 307-lifting plate; 201-connecting the bracket; 202-a riser; 203-an adjusting plate; 204-a turntable; 205-a shim; 206-installing a tube; 207-adjusting bolts; 20201-strip-shaped through hole.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 4, a rotating device for polishing the inner surface of a quartz crucible comprises an equipment bracket 1, a pressing component 3 and two supporting rollers 4 arranged in parallel, wherein the supporting rollers 4 are rotatably connected with the equipment bracket 1, and one of the supporting rollers 4 is correspondingly provided with a rotating component for driving the supporting roller 4 to rotate; the pressing assembly 3 comprises a mounting plate 302, a lifting plate 307 and two guide rods 304 which are arranged in parallel, the guide rods 304 are rotatably connected with the lifting plate 307, the positions of the guide rods 304 and the crucible 5 to be polished correspond, the mounting plate 302 is fixedly connected with the equipment support 1, and the lifting assembly for driving the lifting plate 307 to lift is arranged on the mounting plate 302. The rotating component is a motor, a shell of the motor is fixedly connected with the equipment support 1, a first chain wheel is fixedly arranged on an output shaft of the motor, a second chain wheel corresponding to the first chain wheel is fixedly arranged on one supporting roller 4, and the first chain wheel is connected with the second chain wheel in a matched mode through a chain.

The lifting assembly is an air cylinder 301, a shell of the air cylinder 301 is fixedly connected with the mounting plate 302, an output shaft of the air cylinder 301 is fixedly connected with a lifting plate 307, a guide column 303 is fixedly arranged on the lifting plate 307, a linear bearing 305 matched with the guide column 303 is arranged on the mounting plate 302, and the guide column 303 is mounted on the inner side of the linear bearing 305. The cylinder 301 adopts but is not limited to the existing double-acting cylinder 301, the linear cylinder 301 plays a guiding role in the process that the guide post 303 moves up and down, and in addition, the guide post 303 is not on the same axis with the output shaft of the cylinder 301, so that the effect of preventing the output shaft of the cylinder 301 from rotating can be achieved.

The number of the guide columns 303 is four, the guide columns are respectively installed at four corners of the lifting plate 307, one ends, far away from the lifting plate 307, of the four guide columns 303 are fixedly connected through a connecting plate 306, a first threaded hole is formed in the connecting plate 306, a limiting bolt 6 is arranged in the first threaded hole, the limiting bolt 6 is in threaded connection with the connecting plate 306, the number of the preferred limiting bolts 6 is two, the two limiting bolts are respectively installed at two ends of the connecting plate 306, and a limiting column 8 corresponding to the limiting bolt 6 is arranged on the end face, close to the connecting plate 306, of the installing plate 302; the lower end face of the connecting plate 306 is provided with a buffer 7, the shell of the buffer 7 is fixedly connected with the connecting plate 306, the lower end face of the stress shaft of the buffer 7 is lower than the lower end face of the limiting bolt 6, preferably, the number of the buffers 7 is two, the two buffers are respectively arranged at two ends of the connecting plate 306, and the end face of the mounting plate 302 close to the connecting plate 306 is provided with a limiting column 8 corresponding to the buffer 7; one end of the limit column 8 is fixedly provided with a stud, the mounting plate 302 is provided with a threaded hole matched with the bolt, and the limit column 8 is detachably connected with the mounting plate 302 through the stud. The types of the limiting columns 8 are various, and the heights of the limiting columns 8 of different types are different, so that the limiting columns are suitable for limiting different strokes of the air cylinder 301. Different limiting columns 8 can be installed according to the diameter of the crucible 5 to be polished, the limiting columns 8 limit the stroke of the air cylinder 301, and the guide roller 304 is prevented from excessively extruding the side face of the crucible 5 to be polished to damage the crucible 5 to be polished; when lifter plate 307 moves down, buffer 7 contacts earlier and falls spacing post 8, has played the effect of buffering, prevents that the quick contact of guide rod 304 from waiting to polish the side of crucible 5, and then prevents that guide rod 304 from pressing the loss and waiting to polish crucible 5. The outer sides of the supporting roller and the guide roller 304 are respectively and fixedly provided with an anti-skidding sleeve, and the anti-skidding sleeves are structural members made of polyurethane. The anti-skidding sleeve made of the polyurethane material has good wear resistance, the service lives of the supporting roller and the guide roller 304 are prolonged, and the anti-skidding sleeve has certain elasticity to ensure the contact area with the outer surface of the crucible 5 to be polished, so that the friction force between the anti-skidding sleeve and the crucible 5 to be polished is increased.

As shown in fig. 5 and 6, a spacing component 2 for limiting the bottom end of a crucible 5 to be polished is fixedly arranged on an equipment support 1, the spacing component 2 comprises a vertical plate 202, an adjusting plate 203 and a rotary disc 204, the adjusting plate 203 and the vertical plate 202 are installed in a matched mode, the vertical plate 202 is fixedly connected with the equipment support 1 through a connecting support 201, a rotary shaft is fixedly arranged on the rotary disc 204, an installation pipe 206 is arranged on the adjusting plate 203, the rotary shaft is installed on the inner side of the installation pipe 206, a bearing is arranged between the rotary shaft and the installation pipe 206, the rotary disc 204 is rotatably connected with the adjusting plate 203 through the bearing, and the axis of the rotary disc 204 coincides with the axis of the crucible. A second threaded hole is formed in the vertical plate 202, a strip-shaped through hole 20201 corresponding to the second threaded hole is formed in the adjusting plate 203, the strip-shaped through hole 20201 is vertically arranged, an adjusting bolt 207 is arranged on the inner side of the strip-shaped through hole 20201, and the adjusting bolt 207 is in threaded connection with the vertical plate 202. The adjusting bolt 207 is loosened, and the position of the adjusting plate 203 is adjusted, so that the axis of the turntable 204 can be aligned with the axis of the crucibles 5 to be ground with different diameters. A gasket 205 is fixedly arranged on the end surface of the rotary disc 204 close to the crucible, and the gasket 205 is a structural member made of polyurethane. The pad 205 made of polyurethane has good wear resistance, and the service life of the turntable 204 is prolonged. The bottom of crucible 5 of treating to polish is spacing for carousel 204, prevents that it from rotating the in-process from two supporting roller 4 support landing, and when treating 5 bottoms of crucible of polishing contact the gasket 205 of carousel 204, carousel 204 can follow and treat crucible 5 of polishing and do synchronous rotation, prevents that the bottom of crucible 5 of polishing is treated to the fish tail.

The working process comprises the following steps:

when this scheme is implemented, will treat that crucible 5 of polishing prevents the top between two backing rolls 4, at this moment, two backing rolls 4 have played the supporting role to the crucible, according to the size of crucible, change corresponding spacing post 8, and adjust the position of carousel 204, then cylinder 301 output shaft extension, crucible 5 of polishing is treated in the antiskid cover contact of two guide rollers 304, at this moment, treat that crucible 5 of polishing is located between two guide rollers 304, guide roller 304 has played the guide effect, prevent to treat that crucible 5 of polishing from rocking at the rotation process axis, can evenly polish the crucible 5 internal surface of treating of certain thickness, the starter motor drives the backing roll rotation of being connected with the motor, treat to produce frictional force between crucible 5 and another backing roll 4 and two guide rollers 304, another backing roll 4 and two guide rollers 304 rotate under frictional force's drive, then polish through the handheld angle grinder of manual work, or the internal surface of equipment centre gripping angle grinder treatment crucible 5 is polished, the position of polishing that the difference frequently changed in the polishing process, workman's intensity of labour has been reduced, efficiency of polishing has been improved, manufacturing cost is reduced.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a polishing quartz crucible is rotary device for internal surface which characterized in that: the device comprises an equipment support (1), a pressing component (3) and two supporting rolls (4) which are arranged in parallel, wherein the supporting rolls (4) are rotatably connected with the equipment support (1), and one of the supporting rolls (4) is correspondingly provided with a rotating component for driving the supporting roll (4) to rotate;

compress tightly subassembly (3) including mounting panel (302), lifter plate (307), two parallel arrangement's direction rod (304), direction rod (304) rotate with lifter plate (307) and are connected, direction rod (304) correspond with the position of waiting to polish crucible (5), mounting panel (302) and equipment support (1) fixed connection, be equipped with the lifting unit that drive lifter plate (307) go up and down on mounting panel (302).

2. The rotating device for grinding the inner surface of a quartz crucible as set forth in claim 1, wherein: the lifting component is a cylinder (301), the shell of the cylinder (301) is fixedly connected with the mounting plate (302), the output shaft of the cylinder (301) is fixedly connected with the lifting plate (307), the lifting plate (307) is fixedly provided with a guide column (303), the mounting plate (302) is provided with a linear bearing (305) matched with the guide column (303), and the guide column (303) is mounted on the inner side of the linear bearing (305).

3. The rotating device for grinding the inner surface of a quartz crucible as set forth in claim 2, wherein: the number of the guide columns (303) is multiple, one ends, far away from the lifting plate (307), of the guide columns (303) are fixedly connected through a connecting plate (306), a first threaded hole is formed in the connecting plate (306), a limiting bolt (6) is arranged in the first threaded hole, the limiting bolt (6) is in threaded connection with the connecting plate (306), and a limiting column (8) corresponding to the limiting bolt (6) is arranged on the end face, close to the connecting plate (306), of the mounting plate (302);

the limiting column (8) is detachably connected with the mounting plate (302).

4. The rotating device for grinding the inner surface of a quartz crucible as set forth in claim 3, wherein: a buffer (7) is arranged on the lower end face of the connecting plate (306), a shell of the buffer (7) is fixedly connected with the connecting plate (306), the lower end face of a stress shaft of the buffer (7) is lower than the lower end face of the limiting bolt (6), and a limiting column (8) corresponding to the buffer (7) is arranged on the end face, close to the connecting plate (306), of the mounting plate (302);

the limiting column (8) is detachably connected with the mounting plate (302).

5. The rotating device for grinding the inner surface of a quartz crucible as set forth in claim 4, wherein: the type of spacing post (8) is multiple, and the height difference of spacing post (8) of different models is applicable to the spacing to different strokes of cylinder (301).

6. The rotating device for grinding the inner surface of a quartz crucible as set forth in claim 1, wherein: the rotating assembly is a motor, a shell of the motor is fixedly connected with the equipment support (1), a first chain wheel is fixedly arranged on an output shaft of the motor, a second chain wheel corresponding to the first chain wheel is fixedly arranged on one of the supporting rollers (4), and the first chain wheel and the second chain wheel are connected in a matched mode through a chain.

7. The rotating apparatus for grinding the inner surface of a quartz crucible as set forth in claim 1, wherein: set firmly spacing subassembly (2) of treating to polish crucible (5) bottom spacing on equipment support (1), spacing subassembly (2) include riser (202), regulating plate (203), carousel (204), regulating plate (203) and riser (202) cooperation installation, riser (202) and equipment support (1) fixed connection, carousel (204) rotate with regulating plate (203) and are connected, the axis of carousel (204) and the axis coincidence of treating to polish crucible (5).

8. The rotating apparatus for grinding the inner surface of a quartz crucible as set forth in claim 7, wherein: a second threaded hole is formed in the vertical plate (202), a strip-shaped through hole (20201) corresponding to the second threaded hole is formed in the adjusting plate (203), an adjusting bolt (207) is arranged on the inner side of the strip-shaped through hole (20201), and the adjusting bolt (207) is in threaded connection with the vertical plate (202).

9. The rotating apparatus for grinding the inner surface of a quartz crucible as set forth in claim 7, wherein: a gasket (205) is fixedly arranged on the end face, close to the crucible (5) to be polished, of the rotary disc (204), and the gasket (205) is a structural member made of polyurethane.

10. The rotating device for grinding the inner surface of a quartz crucible as set forth in claim 1, wherein: the outer sides of the supporting roller and the guide roller (304) are respectively and fixedly provided with an anti-skidding sleeve, and the anti-skidding sleeves are structural members made of polyurethane.