CN220746137U

CN220746137U - Single crystal furnace

Info

Publication number: CN220746137U
Application number: CN202322424566.4U
Authority: CN
Inventors: 徐焘; 谢海涛; 张创; 王小伟
Original assignee: Jinko Solar Co Ltd
Current assignee: Jinko Solar Co Ltd
Priority date: 2023-09-07
Filing date: 2023-09-07
Publication date: 2024-04-09
Anticipated expiration: 2033-09-07

Abstract

The application relates to a single crystal furnace. The single crystal furnace comprises a heavy hammer, a chuck in threaded connection with the heavy hammer and a disassembly and assembly component, wherein the disassembly and assembly component is arranged between the heavy hammer and the chuck, and comprises a first transmission piece, a second transmission piece and a driving piece, the first transmission piece surrounds the outside of the chuck, the second transmission piece is in transmission connection with the first transmission piece, the driving piece is connected with the second transmission piece, and the driving piece is configured to drive the first transmission piece to rotate by means of the second transmission piece so as to enable the heavy hammer and the chuck to be screwed or unscrewed. The single crystal furnace can automatically detach the clamping head without manually detaching the clamping head, so that the risk that an operator is scalded when detaching the clamping head is reduced.

Description

Single crystal furnace

Technical Field

The application relates to the technical field of single crystal furnaces, in particular to a single crystal furnace.

Background

A single crystal furnace is an apparatus for preparing a crystal ingot, in which a weight and a chuck provided on the weight for fixing a seed crystal are provided, and the crystal ingot is formed by crystallizing on the seed crystal, and after the crystal ingot is formed, the chuck and the crystal ingot need to be detached from the single crystal furnace and replaced with a new chuck.

The chuck in the related art is usually assembled and disassembled by manual screwing, and the chuck is inconvenient to assemble and disassemble due to the factors of heavy weight, high temperature and the like of the chuck.

Disclosure of Invention

Accordingly, it is necessary to provide a single crystal furnace against the problem of inconvenient mounting and dismounting of the chuck in the related art.

A single crystal furnace, the single crystal furnace comprising:

a heavy hammer;

the clamping head is in threaded connection with the heavy hammer;

the dismounting assembly is arranged between the heavy hammer and the chuck and comprises a first transmission part, a second transmission part and a driving part, wherein the first transmission part surrounds the outside of the chuck, the second transmission part is in transmission connection with the first transmission part, the driving part is connected with the second transmission part, and the driving part is configured to drive the first transmission part to rotate by means of the second transmission part so that the heavy hammer and the chuck are screwed or unscrewed.

The weight of this application single crystal growing furnace and screw connection between the chuck are through locating the dismantlement subassembly between weight and the chuck and are dismantled and assembled the chuck. The first transmission piece surrounds outside the chuck, the second transmission piece is connected with the driving piece, and the first transmission piece is connected with the second transmission piece in a transmission way, so that the driving piece can drive the first transmission piece to rotate by means of the second transmission piece, and the heavy hammer and the chuck are screwed or unscrewed, so that the chuck is disassembled and assembled. The single crystal furnace can automatically detach the clamping head without manually detaching the clamping head, so that the risk that an operator is scalded when detaching the clamping head is reduced.

In one embodiment, the first transmission member comprises an annular toothed plate, the annular toothed plate is annularly arranged on the chuck, and the axial direction of the annular toothed plate is parallel to the axial direction of the chuck;

the second transmission piece comprises a gear which is meshed with the annular toothed plate;

the driving piece comprises a motor, and a driving shaft of the motor is connected with the gear.

In one embodiment, the dismounting assembly further comprises a plurality of toothed plate fixing rods, the toothed plate fixing rods are arranged at intervals, one end of each toothed plate fixing rod is connected to the chuck, and the annular toothed plate is connected to the other end of each toothed plate fixing rod.

In one embodiment, the dismounting assembly further comprises a connecting piece, one end of the connecting piece is connected to the driving piece, and the other end of the connecting piece is detachably connected to the heavy hammer.

In one embodiment, the dismounting assembly further comprises a plug rod, a first through hole is formed in one end, close to the heavy hammer, of the connecting piece, a second through hole is formed in the heavy hammer, and the plug rod sequentially penetrates through the first through hole and the second through hole to connect the heavy hammer with the connecting piece.

In one embodiment, the dismounting assembly further comprises a locking ring and an adjusting rod, the locking ring comprises a first adjusting end and a second adjusting end which are opposite, the locking ring surrounds the heavy hammer and the connecting piece, and the first adjusting end and the second adjusting end are respectively connected to the adjusting rod.

In one embodiment, the locking ring comprises a first locking segment comprising a first free end and the first adjustment end and a second locking segment comprising a second free end and the second adjustment end, the first free end being rotatably connected to the second free end.

In one embodiment, the locking ring is further provided with a tension spring elastically connected between the first adjustment end and the second adjustment end.

In one embodiment, the dismounting assembly further comprises a receiving piece arranged at one end of the chuck, which is away from the heavy hammer, and the receiving piece is detachably connected with the heavy hammer.

In one embodiment, the socket is provided with a through hole facing the chuck, and the radial dimension of the through hole is not greater than the maximum radial dimension of the chuck.

Drawings

FIG. 1 is a schematic view of the assembly and disassembly assembly of the present application, which is disposed between a weight and a chuck;

FIG. 2 is another schematic view of the disassembly assembly of the present application;

fig. 3 is a schematic structural view of the locking ring shown in fig. 1.

Reference numerals illustrate:

a heavy hammer 1; a chuck 2; disassembling the assembly 3; a first transmission member 31; a second transmission member 32; a driving member 33; a locking ring 4; a first locking section 41; a second locking section 41; a tension spring 43; an adjustment lever 44; a toothed plate fixing rod 5; a connecting member 6; a plunger 7; and a receiving member 8.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

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

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of the dismounting assembly of the present application between the weight 1 and the chuck 2. Fig. 2 is a schematic view of another structure of the dismounting assembly 3 of the present application. The single crystal furnace provided by the application comprises a heavy hammer 1, a chuck 2 and a disassembly and assembly component arranged between the heavy hammer 1 and the chuck 2. In some embodiments, the clamping head 2 is sleeved outside the weight 1 and is in threaded connection with the weight 1, and the two parts can be screwed or unscrewed by rotating around the axis of the weight 1 relative to each other. The dismounting assembly comprises a first transmission member 31, a second transmission member 32 and a driving member 33, wherein the first transmission member 31 surrounds the outside of the chuck 2, in some embodiments, the first transmission member 31 comprises an annular toothed plate surrounding the outside of the chuck 2, the annular toothed plate is annularly arranged around the radial direction of the chuck 2, and the axial direction of the annular toothed plate is parallel to the axial direction of the chuck 2. The second transmission member 32 comprises a gear wheel adapted to the annular toothed plate, and the driving member 33 comprises a motor connected to one end of the gear wheel, which motor is arranged in some embodiments to be rotatable in a forward direction and in a reverse direction, to be adapted to screw or unscrew the chuck 2 from the weight 1.

The second transmission member 32 is in transmission connection with the first transmission member 31, the driving member 33 is connected with the second transmission member 32, that is, the gear is meshed with the annular toothed plate, and the driving shaft of the motor is connected with one end of the gear, so that the gear can be driven to rotate around the axis of the gear, and the chuck 2 is driven to rotate around the axis of the chuck 2 through the annular toothed plate. In other words, the driving member 33 is configured to rotate the first driving member 31 by means of the second driving member 32 to screw or unscrew the chuck 2 relative to the weight 1, thereby separating and connecting the chuck 2 and the weight 1. Thereby the single crystal growing furnace of this application can dismantle chuck 2 voluntarily, and need not artifical manual dismantlement chuck 2, has reduced the risk that operating personnel was scalded when dismantling chuck 2.

In some embodiments, as shown in fig. 1 and 2, the dismounting assembly further includes a plurality of toothed plate fixing rods 5, the side wall of the chuck 2 is provided with a plurality of fixing holes corresponding to the toothed plate fixing rods 5, the annular toothed plate is mounted on the chuck 2 through the toothed plate fixing rods 5 and the corresponding fixing holes, one end of the toothed plate fixing rods 5 is connected to the chuck 2, and the annular toothed plate is connected to the other end of the toothed plate fixing rods 5. In some embodiments, the annular toothed plate and the clamping head 2 are detachably connected, so that the dismounting assembly can be mounted on different clamping heads 2 to automatically dismount the same. In some embodiments, the toothed plate fixing rods 5 are provided in plurality, and the plurality of toothed plate fixing rods 5 are disposed at intervals from each other, so as to improve the connection stability between the toothed plate and the chuck 2, or to improve the connection strength between the toothed plate and the chuck 2. It can be understood that the hollow parts exist among the plurality of toothed plate fixing rods 5, so that the weight of the hollow parts is reduced, that is, the annular toothed plate and the clamping head 2 are connected through the plurality of toothed plate fixing rods 5, the effect of reducing the weight of the single crystal furnace is achieved, in other words, the weight of the heavy hammer 1 hung in the single crystal furnace is reduced, the service life of the hanging structure of the heavy hammer 1 is prolonged, and the connecting strength between the annular toothed plate and the clamping head 2 can be correspondingly ensured by arranging the plurality of toothed plate fixing rods 5.

In some embodiments, as shown in FIG. 1, the detachable component further comprises a connecting piece 6, wherein one end of the connecting piece 6 is connected to the driving piece 33, the other end of the connecting piece 6 is detachably connected to the weight 1, and the connecting piece 6 is detachably connected to the weight 1. It can be understood that the connecting piece 6 connects the driving piece 33 and the weight 1, so that the chuck 2 and the weight 1 can rotate relatively under the driving of the driving piece 33, the first driving piece 31 and the second driving piece 32, and no other structure of the single crystal furnace is needed, in other words, the disassembling and assembling assembly of the present application can be not limited to the use of a single crystal furnace, and can be disassembled and connected with the chuck 2 and the weight 1, so that the disassembling and assembling assembly can be suitable for the chucks 2 and the weights 1 of other single crystal furnaces, so that a small number of disassembling and assembling assemblies can be suitable for most single crystal furnaces, and the cost saving effect can be achieved.

In some embodiments, with continued reference to FIG. 1, the assembly further includes a plug 7 for detachably connecting the connecting piece 6 to the weight 1. The connecting piece 6 is provided with a first through hole near one end of the heavy hammer 1, a second through hole is arranged on the heavy hammer 1, and the inserted link 7 sequentially penetrates through the first through hole and the second through hole to connect the heavy hammer 1 with the connecting piece 6. The connecting piece 6 is detachably connected to the weight 1 through the inserting rod 7, so that the detachable connection between the connecting piece 6 and the weight 1 is realized.

In some embodiments, as shown in fig. 1, the dismounting assembly further includes a receiving member 8 disposed at an end of the chuck 2 facing away from the weight 1, for receiving the chuck 2 unscrewed relative to the weight 1 and the crystal ingot clamped on the chuck 2, so as to prevent the chuck 2 from falling to the bottom of the furnace body of the single crystal furnace after unscrewing the chuck 2 and the weight 1, and damage to the crystal ingot. In some embodiments, the support member 8 is detachably connected to the weight 1, and in other words, the support member 8 is connected to an end of the connecting member 6 away from the weight 1, in other words, the connecting member 6 may be provided with a plurality of connecting members 6 correspondingly connected to the periphery of the support member 8, so as to connect the support member 8 to the weight 1. In some embodiments, the connecting member 6 is connected to the receiving member 8 by a steel wire or steel rope, etc., and it is understood that there are gaps between the plurality of steel wire or steel rope structures, thereby reducing the weight at the gaps and realizing the lightweight design of the single crystal furnace. In some embodiments, the socket 8 is further provided with a through hole facing the collet 2, and the radial dimension of the through hole is not greater than the maximum radial dimension of the collet 2. It can be understood that the through hole can pass through the crystal bar clamped on the chuck 2, and is not larger than the radial dimension of the chuck 2, and after the chuck 2 and the heavy hammer 1 are unscrewed, the chuck 2 can be clamped, so that the chuck 2 does not fall to the bottom of the furnace body of the single crystal furnace, thereby realizing the bearing of the chuck 2.

Referring to fig. 3 in combination, fig. 3 is a schematic structural view of the locking ring 4 shown in fig. 1. In some embodiments, the assembly and disassembly device further comprises a locking ring 4 and an adjusting rod 44, wherein the locking ring 4 surrounds the weight 1 and the connecting piece 6, in other words, the locking ring 4 is sleeved on the weight 1, and the connecting piece 6 is arranged between the locking ring 4 and the weight 1 to lock the connecting piece 6 on the weight 1. The connecting piece 6 is locked on the heavy hammer 1 through the locking ring 4, so that the dismounting component can be suitable for heavy hammers without second through holes on the side walls.

The locking ring 4 comprises a first adjusting end and a second adjusting end which are opposite, the first adjusting end and the second adjusting end are respectively connected to the adjusting rod 44, and the adjusting rod 44 can adjust the size of a closed loop formed by the locking ring 4 and the adjusting rod 44 so as to be suitable for locking between heavy weights 1 and connecting pieces 6 with different sizes. The joint of the first adjusting end or the second adjusting end and the adjusting rod 44 can be opened, so that the closed loop connection of the locking ring 4 and the adjusting rod 44 is opened, the locking ring 4 is conveniently sleeved on the heavy hammer 1, and the use convenience of the locking ring 4 is improved.

In some embodiments, the locking ring 4 further comprises a first locking section 41 and a second locking section 41, said first locking section 41 comprising a first free end and said first adjustment end, said second locking section 41 comprising a second free end and said second adjustment end, said first free end being rotatably connected with said second free end. It will be appreciated that the first locking section 41 and the second locking section 41 are rotatably connected, that is, the locking ring 4 can be in a state that two opposite sides are opened, so that after the connecting piece 6 and the weight 1 are aligned, the locking ring 4 is conveniently sleeved on the weight 1 and the connecting piece 6, and does not need to pass through the crystal bar and the bottom of the chuck 2, that is, the convenience in use of the locking ring 4 is improved.

In some embodiments, the locking ring 4 is further provided with a tension spring 43, the tension spring 43 being elastically connected between the first adjustment end and the second adjustment end. In some embodiments, the tension spring 43 is in an extended state, so as to provide a tension force of the first adjusting end and the second adjusting end close to each other, that is, to increase the locking force of the locking ring 4 between the connecting piece 6 and the weight 1, and to increase the locking effect.

In some embodiments, the single crystal furnace further includes a controller electrically connected to the driving piece 33 to control whether the driving piece 33 is turned on, and to control the rotation direction of the motor of the driving piece 33, so as to be suitable for the working condition of mounting the chuck 2 on the weight 1 or dismounting the chuck 2 from the weight 1.

The single crystal furnace provided by the application is driven by the driving piece 33, the first driving piece 31 and the second driving piece 32, so that the clamping head 2 can automatically rotate relative to the heavy hammer 1, when the clamping head 2 needs to be dismounted or mounted on the heavy hammer 1, the driving piece 33 is controlled to be opened by the controller, the rotation direction of the driving piece 33 is controlled, the heavy hammer 1 and the clamping head 2 are screwed or unscrewed, and the dismounting of the clamping head 2 is realized. Without manually disassembling the collet 2, the risk of scalding the operator when disassembling the collet 2 is reduced.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims

1. A single crystal furnace, the single crystal furnace comprising:

a heavy hammer;

the clamping head is sleeved outside the heavy hammer and is in threaded connection with the heavy hammer; and

the dismounting assembly is arranged between the heavy hammer and the clamping head and comprises a first transmission part, a second transmission part and a driving part, wherein the first transmission part surrounds the clamping head, the second transmission part is in transmission connection with the first transmission part, the driving part is connected with the second transmission part, and the driving part is configured to drive the first transmission part to rotate by means of the second transmission part so that the clamping head is screwed or unscrewed relative to the heavy hammer.

2. The single crystal growing furnace of claim 1, wherein the first transmission member comprises an annular toothed plate, the annular toothed plate is annularly arranged on the chuck, and an axial direction of the annular toothed plate is parallel to an axial direction of the chuck;

3. The single crystal growing furnace of claim 2, wherein the dismounting assembly further comprises a plurality of toothed plate fixing rods, the plurality of toothed plate fixing rods are arranged at intervals, one end of each toothed plate fixing rod is connected to the clamping head, and the annular toothed plate is connected to the other end of each toothed plate fixing rod.

4. The single crystal growing furnace of claim 1, wherein the dismounting assembly further comprises a connecting piece, one end of the connecting piece is connected to the driving piece, and the other end of the connecting piece is detachably connected to the weight.

5. The single crystal growing furnace of claim 4, wherein the assembly and disassembly components further comprise a plug rod, a first through hole is formed in one end of the connecting piece, which is close to the heavy hammer, a second through hole is formed in the heavy hammer, and the plug rod sequentially penetrates through the first through hole and the second through hole to connect the heavy hammer and the connecting piece.

6. The single crystal growing furnace of claim 4, wherein the assembly and disassembly components further comprise a locking ring and an adjusting rod, the locking ring comprises a first adjusting end and a second adjusting end which are opposite, the locking ring surrounds the heavy hammer and the connecting piece, and the first adjusting end and the second adjusting end are respectively connected to the adjusting rod.

7. The single crystal growing furnace of claim 6, wherein the locking ring includes a first locking segment and a second locking segment, the first locking segment including a first free end and the first adjustment end, the second locking segment including a second free end and the second adjustment end, the first free end rotatably coupled to the second free end.

8. The single crystal growing furnace of claim 6, wherein the locking ring is further provided with a tension spring, the tension spring being elastically connected between the first and second adjustment ends.

9. The single crystal growing furnace of claim 1, wherein the assembly and disassembly assembly further comprises a receiving member disposed at an end of the collet facing away from the weight, the receiving member being detachably connected to the weight.

10. The single crystal growing furnace of claim 9 wherein the susceptor has a through hole facing the collet and the through hole has a radial dimension not greater than the maximum radial dimension of the collet.