A device for cleaning impurities in the production of carbon-carbon insulation cylinders

Abstract

This application belongs to the field of carbon-carbon insulation cylinders, and in particular, a device for cleaning impurities in the production of carbon-carbon insulation cylinders. Addressing the problem that impurities in existing powdered graphite can affect the quality of insulation cylinders, the following solution is proposed: A processing box is included, with a mounting ring slidably connected inside. A discharge hole is provided on the bottom inner wall of the processing box, and a screen is fixedly installed inside the mounting ring. A rotating shaft is rotatably connected to the inner wall of the processing box, with its bottom end penetrating the screen and extending below it. A cover plate is fitted onto the top of the processing box. This application is simple to operate; by starting the drive motor, the scraper can move in a ring and the screen can vibrate, thus effectively filtering the powdered graphite and easily removing impurities, preventing quality problems during the production of the insulation cylinder body.

Description

Technical Field

[0001] This application relates to the field of carbon-carbon insulation cylinder technology, and in particular to an impurity cleaning device for the production of carbon-carbon insulation cylinders. Background Technology

[0002] The thermal field system of a silicon single crystal furnace has a significant impact on the yield, pulling speed, and quality of single crystal rods. For silicon single crystal manufacturers, improving silicon material utilization, reducing unit energy consumption, increasing production efficiency, and lowering production costs have always been key objectives. Therefore, the design of the thermal field system and the selection and use of key components within the thermal field are of great concern. The insulation cylinder is one of the key components of the silicon single crystal furnace thermal field system, its main function being to reduce heat loss and control the temperature gradient within the thermal field.

[0003] The main material currently used in the production of thermal insulation cylinders is graphite. Powdered graphite is pressed to form thermal insulation cylinders. However, existing powdered graphite contains a certain amount of impurities, such as stones, weeds, and waste, which are not easy to clean. Therefore, using such graphite raw materials will inevitably affect the quality of thermal insulation cylinders. So we propose an impurity cleaning device for the production of carbon-carbon thermal insulation cylinders to solve the above-mentioned problems. Summary of the Invention

[0004] The purpose of this application is to address the shortcomings of existing technologies where powdered graphite contains impurities, which affects the quality of insulation cylinders during manufacturing. Therefore, this application proposes an impurity cleaning device for the production of carbon-carbon insulation cylinders.

[0005] To achieve the above objectives, this application adopts the following technical solution:

[0006] A device for cleaning impurities in the production of carbon-carbon insulation cylinders includes a processing box. An installation ring is slidably connected inside the processing box. A discharge hole is provided on the bottom inner wall of the processing box. A screen is fixedly installed inside the installation ring. A rotating shaft is rotatably connected to the inner wall of the processing box. The bottom end of the rotating shaft passes through the screen and extends below it. A cover plate is fitted onto the top of the processing box. A drive motor is fixedly installed on the top of the cover plate. The output shaft of the drive motor passes through the cover plate and extends into the processing box. A clamping plate is fixedly installed on the output shaft of the drive motor. The clamping plate is movably engaged with the top end of the rotating shaft. An installation column is slidably connected to the rotating shaft. Two scrapers are symmetrically fixedly installed at the bottom end of the installation column, and both scrapers are in contact with the top of the screen.

[0007] Preferably, support seats are fixedly installed on both inner walls of the processing box. A connecting groove is opened on the top of the support seat, and a support rod is slidably connected to one inner wall of the connecting groove. The top of the support rod extends to the top of the support seat and is fixedly installed with the bottom of the mounting ring. The same rotating column is rotatably connected to the two support seats. A worm gear is fixedly sleeved on the bottom of the rotating shaft. A worm wheel is fixedly sleeved on the rotating column. The worm wheel meshes with the worm gear. Both ends of the rotating column extend into the two connecting grooves and are fixedly installed with turntables. A pressure rod is fixedly installed on one side of the turntable at a position off-center. A moving plate is fixedly installed on the bottom of the support rod. The moving plate is slidably connected to one inner wall of the connecting groove, and the pressure rod is in movable contact with the top of the moving plate. Rotation of the rotating shaft can drive the screen to move longitudinally.

[0008] Preferably, a tension spring is sleeved on the support rod, and a limiting ring is slidably sleeved on the support rod. One side of the limiting ring is slidably connected to the inner wall of one side of the connecting groove. The tension spring is located below the limiting ring, and the top and bottom ends of the tension spring are fixedly connected to the bottom of the limiting ring and the top of the moving plate, respectively. The elastic force of the tension spring can be used to easily move the mounting ring downward.

[0009] Preferably, the rotating shaft has a movable hole, the mounting post passes through the movable hole and is slidably connected to the inner wall of the movable hole, the top inner wall of the movable hole has a rotating groove, and a ball screw is fixedly installed on the top of the mounting post. The ball screw is located in the movable hole, and the top end of the ball screw extends into the rotating groove and is threadedly connected to the inner wall of the rotating groove. The ball screw can be used to slide and limit the mounting post.

[0010] Preferably, a ball screw nut is rotatably connected inside the rotating groove, the ball screw passes through the ball screw nut and is threadedly connected to the ball screw nut, a fixing ring is fixedly installed on the inner wall of the rotating groove, and the fixing ring is located above the ball screw nut, and the same torsion spring is fixedly connected to the side of the ball screw nut and the fixing ring that are close to each other, so that the scraper can move longitudinally with the screen.

[0011] The aforementioned impurity cleaning device for the production of carbon-carbon heat-insulating cylinders:

[0012] First, start the drive motor to make the rotating shaft rotate. When the rotating shaft rotates, it can make the mounting column rotate. When the mounting column rotates, it will make the two scrapers move in a circle, which can stir the powdered graphite falling on the screen.

[0013] As the shaft rotates, it drives the worm gear to rotate. When the worm gear rotates, it drives the rotating column to rotate through the worm wheel. As a result, the two turntables rotate. When the turntables rotate, the pressure rod and the moving plate can make contact, which can vibrate the screen and allow the powdered graphite to pass through the screen, while preventing impurities from passing through the screen.

[0014] This application is simple to operate. By starting the drive motor, the scraper can move in a ring and the screen can vibrate, thus effectively filtering the powdered graphite and easily removing impurities from the powdered graphite, avoiding quality problems during the production of the insulation cylinder body. Attached Figure Description

[0015] Figure 1 This is a front view of the structure of an impurity cleaning device for the production of carbon-carbon insulation cylinders proposed in this application;

[0016] Figure 2 This is a front view of the support structure of an impurity cleaning device for the production of carbon-carbon insulation cylinders proposed in this application;

[0017] Figure 3 This is a top view of the movable base structure of an impurity cleaning device for the production of carbon-carbon insulation cylinders proposed in this application;

[0018] Figure 4 This is a front view of the moving hole structure of an impurity cleaning device for the production of carbon-carbon insulation cylinders proposed in this application;

[0019] Figure 5 This is a side view of the worm gear structure of an impurity cleaning device for the production of carbon-carbon insulation cylinders proposed in this application;

[0020] Figure 6 This is a cross-sectional view of the processing box structure of an impurity cleaning device for the production of carbon-carbon insulation cylinders proposed in this application.

[0021] In the diagram: 1. Processing box, 2. Mounting ring, 3. Screen, 4. Support base, 5. Rotating shaft, 6. Mounting column, 7. Scraper, 8. Cover plate, 9. Drive motor, 10. Card plate, 11. Worm gear, 12. Rotating column, 13. Turntable, 14. Support rod, 15. Moving plate, 16. Tension spring, 17. Moving hole, 18. Ball screw, 19. Ball screw nut, 20. Torsion spring, 21. Worm gear. Detailed Implementation

[0022] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.

[0023] Example 1

[0024] Reference Figure 1-5 A device for cleaning impurities in the production of carbon-carbon insulation cylinders includes a processing box 1, an installation ring 2 slidably connected inside the processing box 1, a discharge hole on the bottom inner wall of the processing box 1, a screen 3 fixedly installed inside the installation ring 2, a rotating shaft 5 rotatably connected to the inner wall of the processing box 1, the bottom end of the rotating shaft 5 passing through the screen 3 and extending below the screen 3, a cover plate 8 clamped on the top of the processing box 1, a drive motor 9 fixedly installed on the top of the cover plate 8, the output shaft of the drive motor 9 passing through the cover plate 8 and extending into the processing box 1, a clamping plate 10 fixedly installed on the output shaft of the drive motor 9, the clamping plate 10 being movably clamped to the top end of the rotating shaft 5, an installation column 6 slidably connected to the rotating shaft 5, two scrapers 7 symmetrically fixedly installed at the bottom end of the installation column 6, and both scrapers 7 contacting the top of the screen 3.

[0025] In this application, support seats 4 are fixedly installed on both inner walls of the processing box 1. A connecting groove is opened on the top of the support seat 4, and a support rod 14 is slidably connected to one inner wall of the connecting groove. The top of the support rod 14 extends to the top of the support seat 4 and is fixedly installed to the bottom of the mounting ring 2. The same rotating column 12 is rotatably connected to the two support seats 4. A worm gear 11 is fixedly sleeved on the bottom of the rotating shaft 5. A worm wheel 21 is fixedly sleeved on the rotating column 12. The worm wheel 21 meshes with the worm gear 11. The two ends of the rotating column 12 extend into the two connecting grooves respectively and are fixedly installed with turntables 13. A pressure rod is fixedly installed on one side of the turntable 13 at a position off the center. A movable plate 15 is fixedly installed on the bottom of the support rod 14. The movable plate 15 is slidably connected to one inner wall of the connecting groove, and the pressure rod is in movable contact with the top of the movable plate 15.

[0026] In this application, a tension spring 16 is sleeved on the support rod 14, and a limiting ring is slidably sleeved on the support rod 14. One side of the limiting ring is slidably connected to the inner wall of one side of the connecting groove. The tension spring 16 is located below the limiting ring, and the top and bottom ends of the tension spring 16 are fixedly connected to the bottom of the limiting ring and the top of the moving plate 15, respectively.

[0027] In this application, a movable hole 17 is provided on the rotating shaft 5, and the mounting post 6 passes through the movable hole 17 and is slidably connected to the inner wall of the movable hole 17. A rotating groove is provided on the top inner wall of the movable hole 17, and a ball screw 18 is fixedly installed on the top of the mounting post 6. The ball screw 18 is located in the movable hole 17, and the top end of the ball screw 18 extends into the rotating groove and is threadedly connected to the inner wall of the rotating groove.

[0028] In this application, a ball screw nut 19 is rotatably connected inside the rotating groove, and a ball screw 18 passes through the ball screw nut 19 and is threadedly connected to the ball screw nut 19. A fixing ring is fixedly installed on the inner wall of the rotating groove, and the fixing ring is located above the ball screw nut 19. The same torsion spring 20 is fixedly connected to the side of the ball screw nut 19 and the fixing ring that are close to each other.

[0029] Example 2

[0030] Reference Figure 1-5 A device for cleaning impurities in the production of carbon-carbon insulation cylinders includes a processing box 1. A mounting ring 2 is slidably connected inside the processing box 1. A discharge hole is provided on the bottom inner wall of the processing box 1. A screen 3 is fixedly installed inside the mounting ring 2 by bolts. A rotating shaft 5 is rotatably connected to the inner wall of the processing box 1. The bottom end of the rotating shaft 5 passes through the screen 3 and extends below it. A cover plate 8 is clamped to the top of the processing box 1. A drive motor 9 is fixedly installed on the top of the cover plate 8 by bolts. The output shaft of the drive motor 9 passes through the cover plate 8 and extends into the processing box 1. A clamping plate 10 is welded to the output shaft of the drive motor 9. The clamping plate 10 is movably clamped to the top end of the rotating shaft 5. A mounting column 6 is slidably connected to the rotating shaft 5. Two scrapers 7 are symmetrically welded to the bottom end of the mounting column 6, and both scrapers 7 are in contact with the top of the screen 3. First, the drive motor 9 is started, driving the rotating shaft 5 to rotate. When the rotating shaft 5 rotates, it can drive... The rotating column 6 drives the two scrapers 7 to move in a ring, thus stirring the powdered graphite falling on the screen 3. Simultaneously, the rotating shaft 5 drives the worm gear 11 to rotate, which in turn drives the rotating column 12 to rotate via the worm wheel 21. This causes the two turntables 13 to rotate, allowing the pressure rod to make contact with the moving plate 15, thereby vibrating the screen 3. This allows the powdered graphite to pass through the screen 3 while preventing impurities from passing through. This application is simple to operate; by starting the drive motor 9, the scrapers 7 can move in a ring and the screen 3 can vibrate, effectively filtering the powdered graphite and easily removing impurities, thus avoiding quality problems during the production of the insulation cylinder body.

[0031] In this application, support seats 4 are welded to the inner walls of both sides of the processing box 1. A connecting groove is opened on the top of the support seat 4, and a support rod 14 is slidably connected to the inner wall of one side of the connecting groove. The top of the support rod 14 extends to the top of the support seat 4 and is welded to the bottom of the mounting ring 2. The same rotating column 12 is rotatably connected to the two support seats 4. A worm gear 11 is fixedly sleeved on the bottom of the rotating shaft 5. A worm wheel 21 is fixedly sleeved on the rotating column 12. The worm wheel 21 meshes with the worm gear 11. The two ends of the rotating column 12 extend into the two connecting grooves respectively and are welded to the turntables 13. A pressure rod is welded to one side of the turntable 13 at a position off-center. A moving plate 15 is welded to the bottom of the support rod 14. The moving plate 15 is slidably connected to the inner wall of one side of the connecting groove, and the pressure rod is in movable contact with the top of the moving plate 15. The rotating shaft 5 can rotate, which can drive the screen 3 to move longitudinally.

[0032] In this application, a tension spring 16 is sleeved on the support rod 14, and a limiting ring is slidably sleeved on the support rod 14. One side of the limiting ring is slidably connected to the inner wall of one side of the connecting groove. The tension spring 16 is located below the limiting ring, and the top and bottom ends of the tension spring 16 are welded to the bottom of the limiting ring and the top of the moving plate 15, respectively. The elastic force of the tension spring 16 can be used to easily move the mounting ring 2 downward.

[0033] In this application, a movable hole 17 is provided on the rotating shaft 5, and the mounting post 6 passes through the movable hole 17 and is slidably connected to the inner wall of the movable hole 17. A rotating groove is provided on the top inner wall of the movable hole 17, and a ball screw 18 is fixedly installed on the top of the mounting post 6. The ball screw 18 is located in the movable hole 17, and the top end of the ball screw 18 extends into the rotating groove and is threadedly connected to the inner wall of the rotating groove. The mounting post 6 can be slidably limited by the ball screw 18.

[0034] In this application, a ball screw nut 19 is rotatably connected inside the rotating groove, and a ball screw 18 passes through the ball screw nut 19 and is threadedly connected to the ball screw nut 19. A fixing ring is adhered to the inner wall of the rotating groove, and the fixing ring is located above the ball screw nut 19. The same torsion spring 20 is welded to the side of the ball screw nut 19 and the fixing ring that are close to each other. The torsion spring 20 can be used to make the scraper 7 move longitudinally with the screen 3.

[0035] In this application, powdered graphite is first placed into the processing box 1, and then the cover plate 8 is clamped to the processing box 1. At this time, the clamping plate 10 is clamped to the rotating shaft 5. Then, the drive motor 9 is started to drive the rotating shaft 5 to rotate. When the rotating shaft 5 rotates, it drives the mounting column 6 to rotate. When the mounting column 6 rotates, it drives the two scrapers 7 to move in a ring, thereby stirring the powdered graphite falling on the screen 3. At the same time, the rotating shaft 5 drives the worm gear 11 to rotate. When the worm gear 11 rotates, it drives the rotating column 12 to rotate through the worm wheel 21, so the two turntables 13 will rotate. When the turntables 13 rotate, the pressure rod and the moving plate 15 can make contact. When the pressure rod and the moving plate 15 are in contact, the pressure rod will move downward, so the moving plate 15 will move downward. Through the support rod 14, the mounting ring 2 will move downward, and the stretching spring will be stretched. When spring 16 is under tension, screen 3 moves downward. When the pressure rod loses contact with moving plate 15, tension spring 16 resets and drives screen 3 upward, thus vibrating screen 3. When screen 3 moves upward, the elastic force of tension spring 16 is set to be much greater than that of torsion spring 20, which drives scraper 7 upward, thus driving ball screw 18 upward. This allows torsion spring 20 to be under tension via ball screw nut 19. When screen 3 moves downward, torsion spring 20 reverses ball screw nut 19, thus driving scraper 7 downward. Therefore, scraper 7 always moves longitudinally with screen 3, allowing powdered graphite to pass through screen 3 while preventing impurities from passing through. This facilitates the removal of impurities from powdered graphite, avoiding quality problems during the production of the insulation cylinder body.

[0036] like Figure 6 As shown, this application also proposes a novel design for a heat-insulating cylinder under a single crystal furnace. A horseshoe-shaped connector made of carbon carbon material is installed inside the processing box 1. The connection opening can significantly increase the structural strength of the processing box 1.

[0037] The above description is merely a preferred embodiment of this application, but the scope of protection of this application is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and application concept of this application, should be included within the scope of protection of this application.

Claims

1. A device for cleaning impurities in the production of carbon-carbon heat-insulating cylinders, comprising a processing box (1), characterized in that, The processing box (1) is slidably connected to an installation ring (2). A discharge hole is provided on the bottom inner wall of the processing box (1). A screen (3) is fixedly installed inside the installation ring (2). A rotating shaft (5) is rotatably connected to the inner wall of the processing box (1). The bottom end of the rotating shaft (5) passes through the screen (3) and extends to the bottom of the screen (3). A cover plate (8) is clamped on the top of the processing box (1). A drive motor (9) is fixedly installed on the top of the cover plate (8). The output shaft of the drive motor (9) passes through the cover plate (8) and extends into the processing box (1). A clamping plate (10) is fixedly installed on the output shaft of the drive motor (9). The clamping plate (10) is movably clamped to the top end of the rotating shaft (5). An installation column (6) is slidably connected to the rotating shaft (5). Two scrapers (7) are symmetrically fixedly installed on the bottom end of the installation column (6), and both scrapers (7) are in contact with the top of the screen (3). The processing box (1) has two sides. Support seats (4) are fixedly installed on the inner wall. A connecting groove is opened on the top of the support seat (4), and a support rod (14) is slidably connected on one side of the inner wall of the connecting groove. The top of the support rod (14) extends to the top of the support seat (4) and is fixedly installed on the bottom of the mounting ring (2). The same rotating column (12) is rotatably connected on the two support seats (4). A worm gear (11) is fixedly sleeved on the bottom end of the rotating shaft (5). A worm wheel (21) is fixedly sleeved on the rotating column (12). The worm wheel (21) meshes with the worm gear (11). The two ends of the rotating column (12) extend into the two connecting grooves respectively and are fixedly installed on the turntable (13). A pressure rod is fixedly installed on one side of the turntable (13) at a position off the center. A moving plate (15) is fixedly installed on the bottom end of the support rod (14). The moving plate (15) is slidably connected to one side of the inner wall of the connecting groove, and the pressure rod is in active contact with the top of the moving plate (15). The rotating shaft (5) has a movable hole (17), the mounting post (6) passes through the movable hole (17) and is slidably connected to the inner wall of the movable hole (17), the top inner wall of the movable hole (17) has a rotating groove, and a ball screw (18) is fixedly installed on the top of the mounting post (6). The ball screw (18) is located in the movable hole (17), and the top end of the ball screw (18) extends into the rotating groove and is threadedly connected to the inner wall of the rotating groove. A tension spring (16) is sleeved on the support rod (14), and a limiting ring is slidably sleeved on the support rod (14). One side of the limiting ring is slidably connected to the inner wall of one side of the connecting groove. The tension spring (16) is located below the limiting ring. A ball screw nut (19) is rotatably connected in the rotating groove. The ball screw (18) passes through the ball screw nut (19) and is threadedly connected to the ball screw nut (19). A fixing ring is fixedly installed on the inner wall of the rotating groove, and the fixing ring is located above the ball screw nut (19). The same torsion spring (20) is fixedly connected to the side of the ball screw nut (19) and the fixing ring that are close to each other.

2. The impurity cleaning device for carbon-carbon insulation cylinder production according to claim 1, characterized in that, The top and bottom ends of the tension spring (16) are fixedly connected to the bottom of the limiting ring and the top of the moving plate (15), respectively.

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