CN222846888U - A single crystal furnace graphite chuck disassembly and assembly device - Google Patents

Abstract

The utility model relates to the technical field of single crystal furnaces, in particular to a single crystal furnace graphite chuck dismounting device which comprises a fixing frame, wherein the fixing frame is composed of a bottom plate, a first supporting plate and a second supporting plate positioned between the bottom plate and the first supporting plate, the top of the first supporting plate is fixedly connected with two fixing plates, a locking part for clamping and fixing a heavy hammer is arranged between the two fixing plates, a through hole is formed in the top of the first supporting plate, an inner thread sleeve is embedded and connected in the through hole, a screw rod is connected with the inner thread of the inner thread sleeve, a placing sleeve is fixedly connected to the top end of the screw rod, and a clamping part for clamping and fixing the graphite chuck is arranged in the placing sleeve. According to the utility model, through the cooperation of related structures, automatic disassembly and assembly can be realized, manual operation is reduced, production cost is reduced, and safety problems such as scalding caused by contact with the graphite chuck in a high temperature state in the manual disassembly and assembly process are avoided.

Description

Graphite chuck dismounting device of single crystal furnace

Technical Field

The utility model relates to the technical field of single crystal furnaces, in particular to a device for disassembling and assembling a graphite chuck of a single crystal furnace.

Background

With the rapid development of the photovoltaic industry, the demand for monocrystalline silicon is increasing, and a monocrystalline furnace is one of core equipment for producing monocrystalline silicon. Therefore, improving the productivity and product quality of the single crystal furnace becomes an important requirement for the development of the photovoltaic industry, the single crystal furnace adopts the Czochralski method to prepare the crystal bar, and according to different purposes, such as pulling or feeding, the types of chucks connected to the heavy hammer need to be replaced, such as fixing the crystal bar through a seed chuck, screwing the seed chuck on the heavy hammer, and pulling the heavy hammer upwards by using a pulling rope to finish the pulling operation.

In the traditional single crystal furnace production process, the disassembly and assembly of the graphite chuck are required to be manually carried out. Because the disassembly and assembly process is tedious and time-consuming, and factors such as personnel scalding are easy to occur, the efficiency of manual disassembly and assembly is low, and the requirement of mass production cannot be met.

With the continuous development of the automation technology, the automatic disassembly and assembly technology becomes an important development trend of the photovoltaic industry nowadays. The automatic disassembly and assembly technology can greatly improve production efficiency and reduce time and cost of manual operation. Meanwhile, the quality and the precision of disassembly and assembly are ensured. Therefore, the development of the automatic dismounting technology of the graphite chuck of the single crystal furnace becomes an important direction of development of the photovoltaic industry.

Disclosure of utility model

Therefore, the utility model aims to provide a device for disassembling and assembling a graphite chuck of a single crystal furnace, which aims to solve the problems that the existing device is used for manually disassembling and assembling the graphite chuck in a manual screwing mode, the manual and manual disassembling efficiency is low, and scalding exists.

Based on the above purpose, the utility model provides a graphite chuck dismounting device of a single crystal furnace, which comprises a fixing frame, wherein the fixing frame is composed of a bottom plate, a first supporting plate and a second supporting plate positioned between the bottom plate and the first supporting plate, the top of the first supporting plate is fixedly connected with two fixing plates, and a locking part for clamping and fixing a heavy hammer is arranged between the two fixing plates;

The top of backup pad one is opened there is the through-hole to the embedding is connected with the internal thread cover in the through-hole, internal thread cover internal thread is connected with the screw rod, the top fixedly connected with of screw rod is placed the cover, and is provided with the clamping part that is used for carrying out the centre gripping fixed to graphite chuck in placing the cover, be provided with the rotatory expansion portion that is used for driving the screw rod rotation and removes on the bottom plate.

Preferably, the locking part comprises a limiting plate, the limiting plate is fixedly connected between two fixed plates, an arc-shaped block matched with the heavy hammer is fixedly connected on the limiting plate, a clamping rod is further arranged between the two fixed plates, the end part of the clamping rod is fixedly connected with a bolt, an arc-shaped through groove for the sliding of the clamping rod is formed in the fixed plate, and a nut is connected to the bolt in a threaded mode.

Preferably, the clamping part comprises two internal threaded holes symmetrically arranged in the placing sleeve, the internal threaded holes are internally connected with threaded columns in a threaded manner, and the end parts of the threaded columns are rotationally connected with arc plates for clamping and fixing the graphite chuck.

Preferably, the inner side of the arc-shaped plate is fixedly connected with a tetrafluoro plate for protecting the graphite chuck.

Preferably, the rotary telescopic part comprises a driving machine fixedly arranged on the bottom plate, a hole penetrating through the bottom end of the screw rod is formed in the second supporting plate, and a telescopic part is arranged between the bottom end of the screw rod and the output end of the driving machine.

Preferably, the driving machine is an integrated structure of a forward and reverse rotation motor and a speed reducer.

Preferably, the telescopic part comprises two mutually hinged connection plates, wherein the end part of one connection plate is hinged with the bottom end of the screw rod, and the end part of the other connection plate is hinged with the output end of the driving machine.

The dismounting device for the graphite chuck of the single crystal furnace has the beneficial effects that the locking part is used for clamping and fixing the heavy hammer, the clamping part is used for clamping and fixing the graphite chuck, namely, the heavy hammer and the graphite chuck can be respectively fixed, the rotating telescopic part drives the screw to rotate, and the screw can rotate and move in the internal thread sleeve under the cooperation of the internal thread sleeve, so that the graphite chuck in the placing sleeve can be driven to rotate and move, further, the graphite chuck can be screwed off or screwed on the heavy hammer, the condition of avoiding scalding caused by manual screwing is avoided, and the operating efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a left view structure according to an embodiment of the present utility model;

FIG. 4 is a schematic view of an exploded view of a screw, a placement sleeve and a clamping portion according to an embodiment of the present utility model;

FIG. 5 is a schematic view showing the structure of a fixing plate and a locking portion according to an embodiment of the present utility model;

fig. 6 is a schematic structural view of a placement sleeve and a clamping portion according to an embodiment of the present utility model.

The drawing shows that 1, a fixing frame, 101, a bottom plate, 102, a first supporting plate, 103, a second supporting plate, 2, a clamping part, 201, a threaded column, 202, an arc-shaped plate, 203, a tetrafluoro plate, 3, a rotary telescopic part, 301, a driving machine, 302, a telescopic part, 303, a connecting plate, 4, a fixing plate, 5, a heavy hammer, 6, a locking part, 601, a limiting plate, 602, a clamping rod, 603, a bolt, 604, a nut, 7, an internal threaded sleeve, 8, a screw, 9, a graphite chuck, 10 and a placing sleeve.

Detailed Description

The present utility model will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

It should be noted that unless otherwise defined, technical or scientific terms used in the embodiments of the present utility model should be given the ordinary meaning as understood by one of ordinary skill in the art to which the present utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

As shown in fig. 1, 2, 3, 4, 5 and 6, the graphite chuck dismounting device of the single crystal furnace comprises a fixing frame 1, wherein the fixing frame 1 is composed of a bottom plate 101, a first supporting plate 102 and a second supporting plate 103 positioned between the bottom plate 101 and the first supporting plate 102, the top of the first supporting plate 102 is fixedly connected with two fixing plates 4, and a locking part 6 for clamping and fixing a heavy hammer 5 is arranged between the two fixing plates 4;

The top of backup pad one 102 is opened there is the through-hole to the embedding is connected with internal thread cover 7 in the through-hole, and internal thread cover 7 internal thread is connected with screw rod 8, and the top fixedly connected with of screw rod 8 places cover 10, and is provided with the clamping part 2 that is used for carrying out centre gripping fixed to graphite chuck 9 in placing the cover 10, and graphite chuck 9 screw thread closes on weight 5, is provided with the rotatory telescopic part 3 that is used for driving screw rod 8 rotation and removes on the bottom plate 101.

The rotary telescopic part 3 drives the screw rod 8 to rotate, under the cooperation of the internal thread sleeve 7, the telescopic rotary motion of the screw rod 8 can be realized, so that the disassembly and assembly of the thread structure between the graphite chuck 9 and the heavy hammer 5 are met, the heavy hammer 5 drives the graphite chuck 9 to descend, when the graphite chuck 9 descends into the placing sleeve 10, the clamping part 2 can clamp and fix the graphite chuck 9, meanwhile, the locking part 6 can also fix the heavy hammer 5, the rotary telescopic part 3 provides power for the rotary telescopic of the screw rod 8, the placing sleeve 10 rotates and moves, and the disassembly and assembly of the graphite chuck 9 and the heavy hammer 5 are completed.

In a preferred embodiment of the present utility model, the locking portion 6 includes a limiting plate 601, the limiting plate 601 is fixedly connected between two fixing plates 4, an arc block adapted to the weight 5 is fixedly connected to the limiting plate 601, a clamping rod 602 is further disposed between the two fixing plates 4, an arc groove can be formed on one side of the clamping rod 602, a contact area between the clamping rod 602 and the weight is increased, the locking fixing effect of the counterweight 5 is better under the cooperation of the clamping rod 602 and the arc block, a bolt 603 is fixedly connected to an end portion of the clamping rod 602, an arc through groove for the sliding of the clamping rod 602 is formed on the fixing plate 4, and a nut 604 is screwed on the bolt 603.

When the graphite chuck 9 is dismounted, the heavy hammer 5 is required to be fixed, the heavy hammer 5 drives the graphite chuck 9 to descend, when the graphite chuck 9 descends to place the sleeve 10, the heavy hammer 5 is positioned between the two fixing plates 4, the heavy hammer 5 is limited and fixed through the locking part 6, the operation mode is that the nut 604 is unscrewed firstly, the locking of the bolt 603 is released, the bolt 603 can slide in the arc groove, then the clamping rod 602 is pushed, the clamping rod 602 is abutted with the heavy hammer 5, at the moment, the heavy hammer 5 is positioned between the arc block and the clamping rod 602, and then the nut 604 is screwed, so that the nut 604 is abutted with the fixing plates 4, the bolt 603 is locked, namely the clamping rod 602 is locked, and the heavy hammer 5 can be clamped and fixed.

In another preferred embodiment of the present utility model, the clamping part 2 comprises two internal threaded holes symmetrically arranged in the placing sleeve 10, the internal threaded holes are internally connected with a threaded column 201 in a threaded manner, and the end part of the threaded column 201 is rotatably connected with an arc-shaped plate 202 for clamping and fixing the graphite chuck 9 through a bearing sleeve.

When the graphite chuck 9 is dismounted, the graphite chuck 9 needs to be fixed, the heavy hammer 5 drives the graphite chuck 9 to descend, when the graphite chuck 9 descends to place the sleeve 10, the graphite chuck 9 is clamped and fixed by the clamping part 2, the operation mode is that the threaded column 201 is rotated, the end part of the threaded column 201 is fixedly connected with a lug, the threaded column 201 is conveniently rotated by the lug, the threaded column 201 is rotationally moved in an internal threaded hole, and the threaded column 201 is rotationally connected with the arc plate 202, so that the arc plate 202 can be driven to move by the rotational movement of the threaded column 201, the graphite chuck 9 can be clamped and fixed under the cooperation of the two arc plates 202, the subsequent telescopic rotation of the screw rod 8 is convenient to drive the placing sleeve 10 to telescopic rotate, and the graphite chuck 9 is dismounted from the heavy hammer 5.

In a further preferred embodiment of the present utility model, a tetrafluoro plate 203 for protecting the graphite chuck 9 is fixedly connected to the inner side of the arc plate 202, and the tetrafluoro plate 203 can protect the graphite chuck 9, so that metal friction of the arc plate 202 to the graphite chuck 9 is avoided.

The rotary telescopic portion 3 includes a driving machine 301 fixedly mounted on the bottom plate 101, a hole penetrating the bottom end of the screw 8 is formed in the second support plate 103, and a telescopic portion 302 is provided between the bottom end of the screw 8 and the output end of the driving machine 301.

It should be noted that, the driver 301 is an integrated structure of a forward and reverse motor and a decelerator, and by the arrangement of the decelerator, the excessive speed of the forward and reverse motor when starting to rotate is avoided.

Based on the above embodiment, the expansion part 302 includes two connection plates 303 hinged to each other, where the end of one connection plate 303 is hinged to the bottom end of the screw rod 8, and the end of the other connection plate 303 is hinged to the output end of the driver 301, when the output end of the driver 301 rotates, due to the fact that the two connection plates 303 are hinged to each other, when the output end of the driver 301 rotates, the two connection plates 303 are also driven to rotate, and due to the fact that one connection plate 303 is hinged to the screw rod 8, the screw rod 8 is also driven to rotate, due to the fact that the screw rod 8 is in threaded connection with the internal thread sleeve 7, the screw rod 8 rotates to perform rotation in the internal thread sleeve 7, and the two connection plates 303 are hinged to each other, so that rotation of the screw rod 8 is not hindered, that is, when the screw rod 8 rotates, the two connection plates 303 can approach each other or expand around the hinge point, so that the screw rod 8 can move, and rotation and expansion power can be provided for the dismounting graphite chuck 9.

When the graphite chuck 9 needs to be disassembled, the heavy hammer 5 drives the graphite chuck 9 to descend, the graphite chuck 9 descends into the placing sleeve 10, the threaded column 201 rotates to drive the arc plates 202 to move, the arc plates 202 are matched with each other to clamp and fix the graphite chuck 9, when the heavy hammer 5 is fixed, the nut 604 is unscrewed firstly, the locking of the bolt 603 is released, the bolt 603 can slide in the arc groove, the clamping rod 602 is pushed later, the clamping rod 602 is abutted with the heavy hammer 5, at the moment, the heavy hammer 5 is positioned between the arc block and the clamping rod 602, the nut 604 is screwed tightly, the nut 604 is abutted with the fixing plate 4, the driver 301 is started later, the screw 8 is driven to reversely rotate under the matching of the two connecting plates 303, the screw 8 is in threaded connection with the internal thread sleeve 7, the screw 8 rotates to rotate in the internal thread sleeve 7, the two connecting plates 303 are hinged, the screw 8 is not blocked from rotating, namely, when the screw 8 rotates, the two connecting plates 303 can mutually or unwind around the hinged joint, the joint positions, the two connecting plates are mutually or the screw 8 rotates, the graphite chuck 8 can rotate, and the graphite chuck 9 can be clamped and moved down, and the graphite chuck 9 can be placed down, and the graphite chuck can be moved down.

When the graphite chuck 9 needs to be mounted on the heavy hammer 5, the heavy hammer 5 is firstly lowered to a proper position, the nut 604 is unscrewed, the clamping rod 602 is moved to clamp and fix the heavy hammer 5, then the graphite chuck 9 is placed in the placing sleeve 10, the threaded column 201 is rotated to drive the arc plate 202 to move, the arc plate 202 clamps and fixes the graphite chuck 9, when the graphite chuck 9 is positioned below the heavy hammer 5, the driving machine 301 is started, the driving machine 301 drives the screw rod 8 to rotate positively, and under the cooperation of the two mutually hinged connecting plates 303 and the internal thread sleeve 7, the screw rod 8 can drive the placing sleeve 10 to rotate and move upwards, so that the graphite chuck 9 can be screwed on the heavy hammer.

In summary, the assembly and disassembly of the graphite chuck by the assembly and disassembly device has the following advantages:

1. the automatic degree is high, the automatic disassembly and assembly can be realized, the manual operation is reduced, and the production cost is reduced;

2. The safety is high, the disassembly and the assembly can be accurately controlled, and the safety problems of scalding and the like caused by contact with the graphite chuck in a high temperature state in the manual disassembly and assembly process are avoided;

3. The device has the characteristics of quick response and high-efficiency action by combining a mechanical structure and a transmission system, greatly shortens the cooling and dismounting time and improves the production efficiency;

4. The guide shelving device ensures the stability and the precision of the graphite joint in the disassembly and assembly process, and avoids equipment damage and production accidents caused by unstable operation of personnel.

5. The device can adapt to various types of graphite chucks and has stronger adaptability;

it will be appreciated by persons skilled in the art that the above discussion of any embodiment is merely exemplary and is not intended to imply that the scope of the utility model is limited to these examples, that combinations of technical features in the above embodiments or in different embodiments may also be implemented in any order, and that many other variations of the different aspects of the utility model as described above exist, which are not provided in detail for the sake of brevity.

The embodiments of the utility model are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.

Claims (7)

1. The utility model provides a single crystal furnace graphite chuck dismouting device, includes mount (1), mount (1) comprises bottom plate (101), backup pad one (102) and be located backup pad two (103) between bottom plate (101) and backup pad one (102), its characterized in that, the top fixedly connected with of backup pad one (102) two fixed plates (4), and be provided with between two fixed plates (4) and be used for carrying out chucking fixed locking part (6) to weight (5);

the top of backup pad one (102) is opened there is the through-hole to embedding is connected with internal thread cover (7) in the through-hole, internal thread cover (7) internal thread is connected with screw rod (8), the top fixedly connected with of screw rod (8) is placed cover (10), and is provided with in placing cover (10) and be used for carrying out centre gripping fixed clamping part (2) to graphite chuck (9), be provided with on bottom plate (101) and be used for driving screw rod (8) rotatory and rotatory telescopic part (3) that remove.

2. The graphite chuck dismounting device of the single crystal furnace according to claim 1, wherein the locking part (6) comprises a limiting plate (601), the limiting plate (601) is fixedly connected between two fixing plates (4), an arc-shaped block matched with a heavy hammer (5) is fixedly connected to the limiting plate (601), a clamping rod (602) is further arranged between the two fixing plates (4), a bolt (603) is fixedly connected to the end part of the clamping rod (602), an arc-shaped through groove for the clamping rod (602) to slide is formed in the fixing plates (4), and a nut (604) is connected to the bolt (603) in a threaded mode.

3. The graphite chuck dismounting device of the single crystal furnace according to claim 1, wherein the clamping portion (2) comprises two internal threaded holes symmetrically formed in the placing sleeve (10), threaded columns (201) are connected in the internal threaded holes in a threaded mode, and arc plates (202) used for clamping and fixing the graphite chucks (9) are connected to the end portions of the threaded columns (201) in a rotating mode.

4. A single crystal furnace graphite chuck dismounting device as claimed in claim 3, wherein a tetrafluoro plate (203) for protecting the graphite chuck (9) is fixedly connected to the inner side of the arc plate (202).

5. The graphite chuck dismounting device of the single crystal furnace according to claim 1, wherein the rotary telescopic part (3) comprises a driving machine (301) fixedly mounted on a bottom plate (101), a hole penetrating through the bottom end of a screw rod (8) is formed in a second supporting plate (103), and a telescopic part (302) is arranged between the bottom end of the screw rod (8) and the output end of the driving machine (301).

6. The graphite chuck dismounting device for single crystal furnaces according to claim 5, characterized in that the driving machine (301) is an integrated structure of a forward and reverse rotation motor and a decelerator.

7. The graphite chuck dismounting device of a single crystal furnace according to claim 5, wherein the telescopic part (302) comprises two mutually hinged connection plates (303), wherein the end part of one connection plate (303) is hinged with the bottom end of the screw (8), and the end part of the other connection plate (303) is hinged with the output end of the driving machine (301).