Hanging and lifting device for guide cylinder of single crystal furnace

Abstract

The utility model discloses a hanging and lifting device of a single crystal furnace guide cylinder, which comprises a guide cylinder, a furnace cover and a positioning component, the positioning component is used for placing and positioning the guide cylinder, the positioning component is mounted on a rack, a red dot laser and a plurality of rollers are mounted on the positioning component, and the red dot laser and the rollers are arranged on the rack. The roller is used for rotating the flow guide cylinder, a plurality of lap joint plates are evenly distributed at the top end of the flow guide cylinder in the circumferential direction, an annular plate is installed on the inner wall of the flow guide cylinder, and a plurality of notch grooves matched with the lap joint plates are formed in the annular plate. The guide cylinder centering device has the advantages that the positioning assembly, the red dot laser and other parts are designed, the guide cylinder can be accurately positioned, manual carrying of the guide cylinder is not needed when the guide cylinder is disassembled, centering can be achieved only by rotating and finely adjusting the position of the guide cylinder according to indication of the red dot laser, operation is fast and convenient, time and labor are saved, and production efficiency is improved. The device is worthy of wide-range popularization and application.

Description

Technical field:

[0001] The utility model relates to the technical field of single crystal furnace dismantling and cleaning equipment, in particular to a suspension and lifting device for a single crystal furnace guide tube. Background technology:

[0002] The single crystal furnace is the core equipment for single crystal silicon pulling. Each single crystal furnace pulls a single crystal silicon rod every 48 hours or so. After pulling is completed, it needs to be thoroughly and carefully dismantled and cleaned before the next batch of single crystal silicon rods can be pulled. The main task of the dismantling and cleaning work is to remove and clean various thermal field components (including the main heater, various levels of insulation tubes, guide tubes, etc.). The guide tube is made of graphite and is used for the hot field airflow in the single crystal furnace. During operation, the guide tube needs to be suspended on a heavy hammer, which is installed on the furnace cover. After the single crystal is pulled, the furnace cover is rotated open. At this time, the guide tube needs to be manually removed from the furnace cover and carefully cleaned. After cleaning, it is put back in. Because the guide tube has a residual temperature of about 200°C and weighs more than 30 kg, it needs to be manually carried when manually dismantling and installing the guide tube, and the position of the guide tube needs to be adjusted multiple times before it can be successfully hung on or removed from the heavy hammer. This is time-consuming and labor-intensive, and poses a safety hazard. Utility model content:

[0003] The purpose of the utility model is to provide a suspension and lifting device for a single crystal furnace guide tube, so as to solve the technical problems in the prior art of low work efficiency and high labor intensity caused by the need for manual handling and frequent position adjustment during the disassembly and assembly of the single crystal furnace guide tube.

[0004] The content of the utility model: A suspension and lifting device for a single crystal furnace guide tube, which includes a guide tube, a furnace cover and a positioning assembly, wherein the positioning assembly is used to place and position the guide tube, the positioning assembly is installed on a frame, a red dot laser and a plurality of rollers are installed on the positioning assembly, the rollers are used to rotate the guide tube, a plurality of lap plates are evenly distributed along the circumferential direction on the top end of the guide tube, a ring plate is installed on the inner wall of the guide tube, a plurality of notch grooves matching the lap plates are opened on the ring plate, and the red dot laser is used to mark the circumferential position of the lap plates.

[0005] Furthermore, the width of the notch groove is 2 cm to 8 cm wider than the width of the lap plate.

[0006] Furthermore, the positioning assembly includes a base plate and a positioning circular table. The base plate is fixedly mounted on the frame. A positioning column is connected to the positioning circular table. A positioning circular groove is opened on the base plate. The positioning column is slidably inserted into the positioning circular groove.

[0007] Furthermore, a plurality of rollers are rotatably connected to the base plate in a uniformly distributed manner along the circumferential direction.

[0008] Furthermore, the positioning column and the positioning circular groove are in a filtering fit.

[0009] Furthermore, a threaded through hole is provided at the bottom of the positioning circular groove.

[0010] Furthermore, a magnet ring is installed at the bottom of the positioning circular groove, and the magnet ring is used to magnetically adsorb the positioning column.

[0011] Beneficial effects of the present invention: The present invention is designed with positioning components, red dot laser and other components, which can perform relatively precise positioning of the guide tube. When disassembling and assembling the guide tube, there is no need to manually carry the guide tube. The centering can be achieved by simply rotating and fine-tuning the position of the guide tube according to the instructions of the red dot laser. The design of the roller makes the guide tube easy to rotate, and the operation is quick and convenient, saving time and effort, and is worthy of large-scale promotion and use. Description of the drawings:

[0012] Figure 1 It is a three-dimensional diagram of the utility model;

[0013] Figure 2 It is a cross-sectional view of the utility model;

[0014] Figure 3 This is a three-dimensional diagram of the furnace cover;

[0015] In the figure, the guide tube 1, the furnace cover 2, the overlapping plate 3, the frame 4, the base plate 5, the roller 6, the positioning round table 7, the positioning column 8, the magnet ring 9, the threaded through hole 10, the red dot laser 11, the ring plate 12, and the notch groove 13. Specific implementation:

[0016] like Figure 1 and Figure 3 As shown, a suspension and lifting device for a single crystal furnace guide tube includes a guide tube 1, a furnace cover 2 and a positioning assembly, wherein the positioning assembly is used to place and position the guide tube 1, and the positioning assembly is installed on a frame 4, and a red dot laser 11 and a plurality of rollers 6 are installed on the positioning assembly, and the rollers 6 are used to rotate the guide tube 1, and a plurality of lap plates 3 are evenly distributed along the circumferential direction on the top of the guide tube 1, and a ring plate 12 is installed on the inner wall of the guide tube 1, and a plurality of notch grooves 13 matching the lap plates 3 are opened on the ring plate 12, and the red dot laser 11 is used to mark the circumferential position of the lap plates 3, and the width of the notch groove 13 is 5 cm wider than the width of the lap plates 3.

[0017] like Figure 2As shown, the positioning assembly includes a base plate 5 and a positioning circular table 7, the base plate 5 is fixedly mounted on the frame 4, a positioning column 8 is connected to the positioning circular table 7, a positioning circular groove is provided on the base plate 5, the positioning column 8 is slidably inserted in the positioning circular groove; a number of the rollers 6 are rotatably connected to the base plate 5 in a uniform distribution along the circumferential direction; the positioning column 8 and the positioning circular groove are in a filtering fit; a threaded through hole 10 is provided at the bottom of the positioning circular groove, the threaded through hole 10 is used to disassemble the positioning column 8 (the positioning column 8 can be pushed out by screwing a bolt into the threaded through hole 10); in order to ensure that the positioning column 8 is installed more firmly, a magnet ring 9 is installed at the bottom of the positioning circular groove, the magnet ring 9 is used to magnetically adsorb the positioning column 8.

[0018] When disassembling the guide tube 1, rotate the furnace cover 2 of the single crystal furnace to the extreme position. Even if the furnace cover 2 is directly above the positioning component, lower the furnace cover 2 at this time so that the guide tube 1 can be mounted on the positioning stage 7, and the bottom of the guide tube 1 is in contact with the roller 6. Continue to lower the furnace cover 2 to separate the lap plate 3 from the ring plate 12 without force. Rotate the guide tube 1 so that the laser red dot emitted by the red dot laser 11 is located at the lap plate 3 position. At this time, the lap plate 3 is directly below the notch groove 13. Lift the furnace cover 2 at this time to completely separate the guide tube 1 from the furnace cover 2, thereby completing the disassembly.

[0019] When installing the guide tube 1, the furnace cover 2 of the single crystal furnace is also rotated to the extreme position. Even if the furnace cover 2 is located directly above the positioning component, the guide tube 1 is first mounted on the positioning cone 7 and the bottom of the guide tube 1 is in contact with the roller 6. The guide tube 1 is rotated and fine-tuned so that the laser red dot emitted by the red dot laser 11 is located at the position of the lap plate 3. At this time, the lap plate 3 is located directly below the position of the notch groove 13. The furnace cover 2 is lowered to allow the lap plate 3 to pass through the notch groove 13. Then, the guide tube 1 is rotated to dislocate the lap plate 3 from the notch groove 13. Finally, the furnace cover 2 is lifted, and the lap plate 3 is overlapped on the ring plate 12, thus completing the installation of the guide tube 1.

[0020] The above are only preferred examples of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A suspension and lifting device for a single crystal furnace guide tube, characterized in that: The invention comprises a guide tube (1), a furnace cover (2) and a positioning assembly, wherein the positioning assembly is used to place and position the guide tube (1), the positioning assembly is mounted on a frame (4), a red dot laser (11) and a plurality of rollers (6) are mounted on the positioning assembly, the rollers (6) are used to rotate the guide tube (1), a plurality of lap plates (3) are evenly distributed along the circumferential direction at the top end of the guide tube (1), a ring plate (12) is mounted on the inner wall of the guide tube (1), a plurality of notched grooves (13) matching the lap plates (3) are opened on the ring plate (12), and the red dot laser (11) is used to mark the circumferential position of the lap plates (3).

2. The suspension and lifting device for a single crystal furnace guide tube according to claim 1, characterized in that: The width of the notch groove (13) is 2 cm to 8 cm wider than the width of the lap plate (3).

3. The suspension and lifting device for a single crystal furnace guide tube according to claim 1, characterized in that: The positioning assembly comprises a base plate (5) and a positioning circular table (7); the base plate (5) is fixedly mounted on the frame (4); a positioning column (8) is connected to the positioning circular table (7); a positioning circular groove is provided on the base plate (5); and the positioning column (8) is slidably inserted into the positioning circular groove.

4. The suspension and lifting device for a single crystal furnace guide tube according to claim 3, characterized in that: A plurality of rollers (6) are rotatably connected to the base plate (5) in a uniformly distributed manner along the circumferential direction.

5. The suspension and lifting device for a single crystal furnace guide tube according to claim 3, characterized in that: The positioning column (8) and the positioning circular groove are in filtering cooperation.

6. The suspension and lifting device for a single crystal furnace guide tube according to claim 3, characterized in that: A threaded through hole (10) is provided at the bottom of the positioning circular groove.

7. The suspension and lifting device for a single crystal furnace guide tube according to claim 3, characterized in that: A magnet ring (9) is installed at the bottom of the positioning circular groove, and the magnet ring (9) is used to magnetically adsorb the positioning column (8).

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