Quartz crucible forming device

Abstract

The utility model discloses a quartz crucible forming device which comprises a base, a guide rod is fixedly connected to the upper surface of the base, a top plate is fixedly connected to the upper surface of the guide rod, an air cylinder is fixedly connected to the upper surface of the top plate, and a telescopic rod is arranged at the output end of the air cylinder. By arranging a motor, a lead screw and a sliding block, the lower mold can be driven to move outwards, so that a worker is prevented from stretching hands into equipment to perform feeding and demolding operation, potential safety hazards are reduced, and by arranging a first threaded hole, a bolt, a sliding strip and a second threaded hole, the mold plate and the upper mold can be integrally replaced; and by arranging a pressing rod, a triangular block, a sliding column, a limiting plate, a spring and a disc, the crucible can be ejected out after being formed, so that the demolding efficiency is improved, the ejection structure is in a disc shape, the contact area between the ejection structure and the crucible is large, and therefore the situation that the crucible is damaged can be reduced.

Description

Technical Field

[0001] This utility model relates to the field of quartz crucible production technology, and in particular to a quartz crucible forming device. Background Technology

[0002] Quartz crucibles are high-temperature resistant containers made primarily of high-purity silicon dioxide. They are widely used in semiconductors, photovoltaics, solar cells, metallurgy, chemicals, and laboratory research. Particularly in the semiconductor and photovoltaic industries, quartz crucibles are used to pull monocrystalline and polycrystalline silicon, making them a crucial basic material for manufacturing integrated circuit chips and solar cells. Quartz crucibles are primarily manufactured through molding.

[0003] However, existing quartz crucible forming devices still have certain defects. For example, both feeding and demolding require workers to put their hands inside the equipment, which poses certain safety hazards. Secondly, the formed quartz crucible is difficult to demold, and the whole still needs to be fired and hardened, so it is easy to be damaged during demolding. Utility Model Content

[0004] The purpose of this invention is to provide a quartz crucible forming device that can move the lower mold outward, thereby preventing workers from putting their hands into the equipment to perform feeding and demolding operations, thus reducing safety hazards and improving demolding efficiency. In addition, the lifting structure is disc-shaped, with a large contact area with the crucible, which can reduce the possibility of crucible damage.

[0005] To achieve the above objectives, a quartz crucible forming apparatus is provided, comprising:

[0006] A base has a guide rod fixedly connected to its upper surface, a top plate fixedly connected to the guide rod, a cylinder fixedly connected to the upper surface of the top plate, a telescopic rod at the output end of the cylinder, a connecting plate fixedly connected to the lower end of the telescopic rod, a first threaded hole on the upper surface of the connecting plate, a bolt threadedly connected to the inner surface of the first threaded hole, a slide bar threadedly connected to the outer surface of the bolt, a mold plate fixedly connected to the lower surface of the slide bar, an upper mold fixedly connected to the lower surface of the mold plate, a motor fixedly connected to the front surface of the base, a lead screw fixedly connected to the output end of the motor, a slider threadedly connected to the outer surface of the lead screw, a lower mold fixedly connected to the upper surface of the slider, and a mold groove on the upper surface of the lower mold.

[0007] A pressure rod is slidably connected to the inner surface of the lower mold, a pressure plate is fixedly connected to the outer surface of the pressure rod, a triangular block is fixedly connected to the end of the pressure rod away from the pressure plate, a sliding column is slidably connected to the inner surface of the lower mold, a limit plate is fixedly connected to the lower end of the sliding column, a spring is provided on the outer surface of the sliding column, a disc is fixedly connected to the upper end of the sliding column, and an inclined block is fixedly connected to the lower surface of the disc.

[0008] According to the quartz crucible forming device, the upper surface of the slide bar is provided with a second threaded hole, the inner surface of the second threaded hole is adapted to the bolt, which facilitates the replacement of the entire upper mold.

[0009] According to the quartz crucible forming device, the outer surface of the connecting plate is provided with a sliding groove, and the inner surface of the sliding groove is adapted to the sliding strip, which facilitates the overall installation of the upper mold.

[0010] According to the quartz crucible forming device, the upper surface of the base is provided with a limiting groove, and the inner surface of the limiting groove is adapted to the slider to limit the movement of the slider.

[0011] According to the quartz crucible forming device, the outer surface of the guide rod is slidably connected to the connecting plate, and the outer surface of the lead screw is rotatably connected to the base.

[0012] According to the quartz crucible forming device, the outer surface of the triangular block is slidably connected to the inclined block, and the outer surface of the disc is in contact with the lower mold.

[0013] According to the quartz crucible forming device, the upper end of the spring is fixedly connected to the lower mold, and the lower end of the spring is fixedly connected to the limiting plate.

[0014] According to the quartz crucible forming device, the motor is electrically connected to an external power source.

[0015] The above-mentioned solution has the following beneficial effects:

[0016] 1. By setting up the motor, lead screw and slider, the lower mold can be moved outward, thereby avoiding the need for workers to put their hands into the equipment to perform feeding and demolding operations, thus reducing safety hazards. In addition, by setting up the first threaded hole, bolt, slide bar and second threaded hole, the mold plate and the upper mold can be replaced as a whole, thereby improving practicality.

[0017] 2. By setting up pressure rods, triangular blocks, sliding pillars, limiting plates, springs, and discs, the crucible can be ejected after molding, thereby improving demolding efficiency. Moreover, the ejector structure is disc-shaped, with a large contact area with the crucible, which can reduce the possibility of crucible damage.

[0018] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0020] Figure 1 This is a schematic diagram of the overall structure of a quartz crucible forming device according to the present invention;

[0021] Figure 2 This is a partially exploded schematic diagram of a quartz crucible forming device according to the present invention.

[0022] Figure 3 This is a partial structural cross-sectional view of a quartz crucible forming device according to the present invention;

[0023] Figure 4 This is a cross-sectional view of the lower mold structure of a quartz crucible forming device according to this utility model;

[0024] Figure 5 for Figure 4 A magnified schematic diagram of the structure at point A in the middle.

[0025] Legend:

[0026] 1. Base; 2. Guide rod; 3. Top plate; 4. Cylinder; 5. Telescopic rod; 6. Connecting plate; 7. First threaded hole; 8. Bolt; 9. Sliding bar; 10. Mold plate; 11. Upper mold; 12. Motor; 13. Lead screw; 14. Sliding block; 15. Lower mold; 16. Mold groove; 17. Pressure rod; 18. Triangular block; 19. Sliding column; 20. Limiting plate; 21. Spring; 22. Disc; 23. Inclined block; 24. Pressure plate; 25. Second threaded hole; 26. Sliding groove; 27. Limiting groove. Detailed Implementation

[0027] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0028] Reference Figure 1-5This utility model discloses a quartz crucible forming device, comprising: a base 1, a guide rod 2 fixedly connected to the upper surface of the base 1, a top plate 3 fixedly connected to the guide rod 2, a cylinder 4 fixedly connected to the upper surface of the top plate 3, a telescopic rod 5 provided at the output end of the cylinder 4, a connecting plate 6 fixedly connected to the lower end of the telescopic rod 5, a first threaded hole 7 provided on the upper surface of the connecting plate 6, a bolt 8 threadedly connected to the inner surface of the first threaded hole 7, a slide bar 9 threadedly connected to the outer surface of the bolt 8, a mold plate 10 fixedly connected to the lower surface of the slide bar 9, an upper mold 11 fixedly connected to the lower surface of the mold plate 10, and a motor 12 fixedly connected to the front surface of the base 1. The output end of 2 is fixedly connected to a lead screw 13. The outer surface of the lead screw 13 is threadedly connected to a slider 14. The upper surface of the slider 14 is fixedly connected to a lower mold 15. The upper surface of the lower mold 15 is provided with a mold groove 16. The upper surface of the slide bar 9 is provided with a second threaded hole 25. The inner surface of the second threaded hole 25 is adapted to the bolt 8. The outer surface of the connecting plate 6 is provided with a sliding groove 26. The inner surface of the sliding groove 26 is adapted to the slide bar 9. The upper surface of the base 1 is provided with a limit groove 27. The inner surface of the limit groove 27 is adapted to the slider 14. The outer surface of the guide rod 2 is slidably connected to the connecting plate 6. The outer surface of the lead screw 13 is rotatably connected to the base 1. The motor 12 is electrically connected to an external power source.

[0029] A pressure rod 17 is slidably connected to the inner surface of the lower mold 15. A pressure plate 24 is fixedly connected to the outer surface of the pressure rod 17. A triangular block 18 is fixedly connected to the end of the pressure rod 17 away from the pressure plate 24. A sliding column 19 is slidably connected to the inner surface of the lower mold 15. A limit plate 20 is fixedly connected to the lower end of the sliding column 19. A spring 21 is provided on the outer surface of the sliding column 19. A disc 22 is fixedly connected to the upper end of the sliding column 19. A inclined block 23 is fixedly connected to the lower surface of the disc 22. The outer surface of the triangular block 18 is slidably connected to the inclined block 23. The outer surface of the disc 22 is in contact with the lower mold 15. The upper end of the spring 21 is fixedly connected to the lower mold 15. The lower end of the spring 21 is fixedly connected to the limit plate 20.

[0030] Working principle: During use, the motor 12 is started, driving the lead screw 13 to move the lower mold 15 outward under the action of the slider 14, thus removing the lower mold 15 from the equipment. Then, crucible material is added into the mold groove 16 from outside the equipment, preventing workers from putting their hands inside the equipment for material addition, thereby reducing safety hazards. After material addition is completed, the motor 12 is started in reverse, driving the lower mold 15 to reset. Then, the cylinder 4 is started, driving the telescopic rod 5 to move the upper mold 11 downward into the mold groove 16 under the action of the connecting plate 6, thus forming the crucible material inside the mold groove 16. After the crucible is formed, the cylinder 4 is retracted, driving the upper mold 11 to detach from the mold groove 16. Inside the mold, the motor 12 is restarted to drive the lower mold 15 to move out of the equipment. Then, the pressure plate 24 is pressed to drive the pressure rod 17 to slide the triangular block 18 along the outer surface of the inclined block 23 and compress the spring 21, so that the disc 22 pushes the formed crucible upward so that the crucible can be demolded. When the upper mold 11 needs to be replaced, simply loosen and remove the bolt 8, and then pull out the entire upper mold 11 along the inside of the slide groove 26 to complete the disassembly. Then, insert the slide bar 9 on the new upper mold 11 into the slide groove 26. When the second threaded hole 25 corresponds to the first threaded hole 7, screw in the bolt 8 to complete the replacement and installation of the new upper mold 11. It is simple and convenient.

[0031] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A quartz crucible forming apparatus comprising: The base (1), the upper surface of the base (1) is fixedly connected with the guide rod (2), the guide rod (2) is fixedly connected with the top plate (3), the upper surface of the top plate (3) is fixedly connected with the air cylinder (4), the output end of the air cylinder (4) is provided with the telescopic rod (5), the lower end of the telescopic rod (5) is fixedly connected with the connecting plate (6), characterized in that the upper surface of the connecting plate (6) is provided with the first threaded hole (7), the inner surface of the first threaded hole (7) is threadedly connected with the bolt (8), the outer surface of the bolt (8) is threadedly connected with the slide bar (9), the lower surface of the slide bar (9) is fixedly connected with the mold plate (10), the lower surface of the mold plate (10) is fixedly connected with the upper mold (11), the front surface of the base (1) is fixedly connected with the motor (12), the output end of the motor (12) is fixedly connected with the lead screw (13), the outer surface of the lead screw (13) is threadedly connected with the sliding block (14), the upper surface of the sliding block (14) is fixedly connected with the lower mold (15), the upper surface of the lower mold (15) is provided with the mold groove (16); The inner surface of the lower mold (15) is slidably connected with the pressure rod (17), the outer surface of the pressure rod (17) is fixedly connected with the pressure plate (24), one end of the pressure rod (17) away from the pressure plate (24) is fixedly connected with the triangular block (18), the inner surface of the lower mold (15) is slidably connected with the slide column (19), the lower end of the slide column (19) is fixedly connected with the limiting plate (20), the outer surface of the slide column (19) is provided with the spring (21), the upper end of the slide column (19) is fixedly connected with the disc (22), the lower surface of the disc (22) is fixedly connected with the inclined block (23).

2. A quartz crucible forming apparatus according to claim 1, wherein The upper surface of the slide bar (9) is provided with the second threaded hole (25), the inner surface of the second threaded hole (25) is matched with the bolt (8).

3. A quartz crucible forming apparatus according to claim 1, wherein The outer surface of the connecting plate (6) is provided with the sliding groove (26), the inner surface of the sliding groove (26) is matched with the slide bar (9).

4. A quartz crucible forming apparatus according to claim 1, wherein The upper surface of the base (1) is provided with the limiting groove (27), the inner surface of the limiting groove (27) is matched with the sliding block (14).

5. A quartz crucible forming apparatus according to claim 1, wherein The outer surface of the guide rod (2) is slidably connected with the connecting plate (6), and the outer surface of the lead screw (13) is rotatably connected with the base (1).

6. A quartz crucible forming apparatus according to claim 1, wherein The outer surface of the triangular block (18) is slidably connected with the inclined block (23), and the outer surface of the disc (22) is in contact with the lower mold (15).

7. A quartz crucible forming apparatus according to claim 1, wherein The upper end of the spring (21) is fixedly connected with the lower mold (15), and the lower end of the spring (21) is fixedly connected with the limiting plate (20).

8. A quartz crucible forming apparatus according to claim 1, wherein The motor (12) is electrically connected with an external power supply.

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