Auxiliary electrode of silicon core furnace

Abstract

The utility model provides an auxiliary electrode of a silicon core furnace, and relates to the technical field of silicon core furnaces. The device comprises an equipment foundation, a rack is arranged on the equipment foundation, a lifting mechanism is arranged on the rack, an auxiliary electrode is arranged on the lifting mechanism, an electric box is arranged on the side portion of the equipment foundation, a supporting mechanism is arranged on the equipment foundation or the rack, and a water-cooled cable is electrically connected to the electric box. The water-cooled cable is electrically connected with an auxiliary electrode on the lifting mechanism after winding through the supporting mechanism; the supporting mechanism comprises a mounting plate which is rotatably arranged, and a winding assembly which is in rolling contact with the water-cooled cable is rotatably arranged on the mounting plate. A certain distance is kept between the cable and other structures, so that the cable is prevented from being damaged by friction.

Description

Technical Field

[0001] The utility model relates to the technical field of silicon core furnaces, in particular to an auxiliary electrode for a silicon core furnace. Background Art

[0002] The silicon core furnace is a special electronic device for pulling silicon cores from silicon polycrystalline rods. At present, the auxiliary electrode of the silicon core furnace is designed to be able to rise and fall, and the cable of the auxiliary electrode rises and falls accordingly. However, due to the high power of the auxiliary electrode, the cable generates a lot of heat, and the cable heat dissipation efficiency is low, resulting in a high temperature of the cable, and the cable insulation layer may be damaged. During the lifting process of the cable, its outer wall is also prone to collision and friction with the surroundings, causing damage, leading to sudden failures. Utility Model Content

[0003] The utility model aims to develop a silicon core furnace auxiliary electrode which enables a cable to keep a certain distance from other structures so as to avoid the cable being damaged by friction.

[0004] The utility model is achieved through the following technical solutions:

[0005] A silicon core furnace auxiliary electrode, comprising:

[0006] Equipment foundation;

[0007] The rack is located on the equipment foundation;

[0008] A lifting mechanism is arranged on the frame;

[0009] Auxiliary electrode, arranged on the lifting mechanism;

[0010] The electrical box is located on the side of the equipment foundation;

[0011] Support mechanism, located on the equipment foundation or frame;

[0012] Wherein, the electrical box is electrically connected with a water-cooling cable, and the water-cooling cable is electrically connected to the auxiliary electrode on the lifting mechanism after winding through the supporting mechanism;

[0013] The supporting mechanism comprises a rotatably arranged mounting plate, on which a winding assembly which is in rolling contact with the water-cooling cable is rotatably arranged.

[0014] Optionally, the winding assembly includes two rollers, and the rollers are U-shaped concave wheels.

[0015] Optionally, the support mechanism further includes two rotatably arranged mounting plates, the two mounting plates are arranged parallel to each other, and the two rollers are rotatably arranged between the two mounting plates.

[0016] Optionally, a plurality of mounting holes are vertically and evenly spaced on the two mounting plates, and the two rollers are rotatably connected to the mounting holes on the two mounting plates.

[0017] Optionally, two pins are provided between the two mounting plates, and the two pins respectively pass through two mounting holes corresponding to the positions of the two rollers and the two mounting plates. The pins are coaxially rotated and contacted with the rollers. One end of the pin is an enlarged end, and the other end of the pin is provided with a pin hole, and a pin is provided in the pin hole.

[0018] Optionally, a mounting seat is connected to the bottom ends of the two mounting plates, and a base is rotatably connected to the bottom of the mounting seat, and the base is arranged on a device foundation or a rack.

[0019] Optionally, an opening is provided at the center of the mounting seat, a connecting rod is provided on the base which is perpendicular to the mounting seat and passes through the opening, a deep groove ball bearing is provided between the opening and the connecting rod, a bearing retaining ring is provided between the bottom of the deep groove ball bearing and the base and is located on the outside of the connecting rod, the top end of the connecting rod extends out of the opening and is provided with an external thread, and a locking nut is threadedly connected to the top end of the connecting rod.

[0020] Optionally, the mounting seat is cylindrical with a cavity inside and an open structure at the bottom, a thrust ball plane bearing coaxial with the top surface of the mounting seat and the base is provided between them, and a dust ring is provided on the base at the bottom edge of the mounting seat.

[0021] Optionally, the lifting mechanism includes a lower support plate arranged on the frame, an upper support plate is arranged above the lower support plate, a support block and a vertically arranged guide column are arranged between the lower support plate and the upper support plate, a support that can be lifted and lowered vertically is slidably provided on the guide column, a linear slide connected to the support is provided on the side wall of the support block close to the guide column, and the auxiliary electrode is arranged on the support.

[0022] Optionally, the water-cooled cable includes an internal conductor and an external sleeve, cable heads are provided at both ends of the conductor and the sleeve, a sleeve is provided on the outside of the cable head, the cable head is electrically connected to the conductor, the outer wall of the sleeve portion is sealed and connected to the inner wall of the sleeve, a circulating water outlet is provided on the outer wall of the sleeve not connected to the sleeve, a pipeline connected to the circulating water outlet and the inside of the sleeve is provided inside the sleeve, and the circulating water outlets at both ends of the water-cooled cable are respectively connected to a return pipe and a water supply pipe.

[0023] The beneficial effects of the utility model are:

[0024] The utility model is a water-cooled cable. Circulating water flows through the outside of the conductor to perform heat exchange and cooling, thereby preventing the temperature from being too high. A supporting mechanism can be arranged on a foundation of equipment, a rack or other structure that collides and rubs with the water-cooled cable, so that the water-cooled cable passes through the supporting mechanism and the two are in rolling contact, thereby preventing the water-cooled cable from being damaged by friction and collision with the equipment foundation, the rack or other structure, thereby preventing sudden failures. The spacing and position of rollers in the supporting mechanism can be adjusted to adapt to water-cooled cables with different outer diameters and to adjust the spacing between the water-cooled cable and other structures. The roller is a U-shaped concave roller, and its contact area with the water-cooled cable is large, thereby ensuring a stable rolling contact between the two, thereby avoiding sliding friction between the two, and also preventing the water-cooled cable from shifting laterally. The mounting plate and the roller can be rotated arbitrarily through the mounting seat, so that the water-cooled cable can swing adaptively when passing through the supporting mechanism during the lifting process, thereby preventing the water-cooled cable from twisting. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 It is a schematic diagram of the structure of the utility model;

[0027] Figure 2 It is a schematic diagram of the structure of the water-cooled cable;

[0028] Figure 3 It is a structural diagram of the supporting mechanism;

[0029] Figure 4 It is a schematic diagram of the three-dimensional structure of the supporting mechanism;

[0030] Figure 5 Schematic diagram of the internal structure of the mounting base.

[0031] Figure numerals: 1. Equipment foundation; 2. Frame; 3. Lifting mechanism; 31. Lower support plate; 32. Upper support plate; 33. Guide column; 34. Support; 35. Support block; 4. Connector; 5. Water-cooled cable; 51. Wire; 52. Bushing; 53. Cable head; 54. Sleeve; 55. Circulating water inlet; 6. Support mechanism; 61. Base; 62. Dust ring; 63. Mounting seat; 64. Locking nut; 65. Connecting rod; 66. Mounting plate; 67. Roller; 68. Pin; 69. Pin; 610. Mounting hole; 611. Deep groove ball bearing; 612. Bearing retaining ring; 613. Thrust ball plane bearing; 7. Electric box. DETAILED DESCRIPTION

[0032] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0033] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0034] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0035] like Figures 1 to 5 As shown, the utility model discloses a silicon core furnace auxiliary electrode, including an equipment foundation 1, a frame 2 is provided on the equipment foundation 1, a lifting mechanism 3 is provided on the frame 2, an auxiliary electrode and a water-cooling cable 5 electrically connected are provided on the lifting mechanism 3, an electrical box 7 electrically connected to the water-cooling cable 5 is provided on the side of the equipment foundation 1, and a supporting mechanism 6 cooperating with the water-cooling cable 5 is provided on the equipment foundation 1.

[0036] The lifting mechanism 3 includes a lower support plate 31 arranged on the frame 2, an upper support plate 32 is arranged above the lower support plate 31, a vertically arranged guide column 33 is arranged between the lower support plate 31 and the upper support plate 32, a vertically raised and lowered support 34 is slidably arranged on the guide column 33, and a support block 35 is arranged between the upper support plate 32 and the lower support plate 31, the cross section of the support block 35 is a right-angle trapezoid and the larger end is connected to the lower support plate 31. The side wall of the support block 35 close to the guide column 33 is a vertical surface, and a linear slide connected to the support 34 is arranged on the side wall, and the linear slide drives the support 34 to vertically rise and fall on the guide column 33.

[0037] The auxiliary electrode is arranged on the support 34, and a connector 4 is arranged on the support 34 at the bottom of the auxiliary electrode, and a water-cooling cable 5 is connected to the connector 4. The water-cooling cable 5 includes an internal conductor 51 and an external sleeve 52, and a cable head 53 is arranged at both ends of the conductor 51 and the sleeve 52, and a sleeve 54 is arranged outside the cable head 53, and the cable head 53 is electrically connected to the conductor 51, and a part of the outer wall of the sleeve 54 is sealed and connected to the inner wall of the sleeve 52. A circulating water inlet 55 is arranged on the outer wall of the sleeve 54 that is not connected to the sleeve 52, and a pipeline communicating with the circulating water inlet 55 and the inside of the sleeve 52 is arranged inside the sleeve 54. The circulating water inlets 55 at both ends of the water-cooling cable 5 are respectively connected to the return pipe and the upper water pipe, so that the circulating water circulates in the sleeve 52 outside the conductor 51 to cool the conductor 51.

[0038] The supporting mechanism 6 includes a base 61, on which is provided a connecting rod 65 perpendicular to the base 61, on which is rotatably provided a mounting seat 63, which is cylindrical in shape and has a cavity inside and an open structure at the bottom, with an opening provided at the center of the mounting seat 63, through which the connecting rod 65 passes and is coaxial with the mounting seat 63, with a deep groove ball bearing 611 provided between the opening and the connecting rod 65, with a bearing retaining ring 612 located on the outside of the connecting rod 65 between the bottom of the deep groove ball bearing 611 and the base 61, the top end of the connecting rod 65 extends out of the opening and is provided with an external thread, and the top end of the connecting rod 65 is threadedly connected with a locking nut 64.

[0039] A thrust ball plane bearing 613 coaxial with the base 61 is provided between the inner top surface of the mounting seat 63 and the base 61, and a dust ring 62 is provided on the base 61 at the bottom edge of the mounting seat 63. The dust ring 62 prevents dust from entering through the gap between the bottom edge of the mounting seat 63 and the base 61.

[0040] Two vertically arranged and mutually parallel mounting plates 66 are provided on the top of the mounting seat 63. A winding assembly is rotatably provided between the two mounting plates 66, and the water-cooling cable 5 is in rolling contact with the winding assembly. The winding assembly includes two rollers 67 rotatably provided between the two mounting plates 66. The rollers 67 are U-shaped concave wheels, and the circumferential side walls of the rollers 67 are U-shaped grooves. The water-cooling cable 5 passes through the two rollers 67 and is in rolling contact with the rollers 67. A plurality of mounting holes 610 are vertically and evenly spaced on the two mounting plates 66, and two pin shafts 68 are provided between the two mounting plates 66. The two pin shafts 68 pass through the two rollers 67 and two mounting holes 610 corresponding to the positions on the two mounting plates 66, respectively. The pin shaft 68 is in coaxial rotational contact with the roller 67, and one end of the pin shaft 68 is an enlarged end that cannot pass through the mounting hole 610, and the other end of the pin shaft 68 is provided with a pin hole, and a plug 69 is provided in the pin hole.

[0041] Since the edges of the equipment foundation 1 are most likely to collide and rub against the water-cooling cable 5, in this embodiment, the support mechanism 6 is arranged at the edges of the equipment foundation 1, and the water-cooling cable 5 is wound between the two rollers 67 to avoid damage caused by friction between the water-cooling cable 5 and the edges of the equipment foundation 1. In addition, the support mechanism 6 can also be arranged on the rack 2 and other parts that may rub against the water-cooling cable 5. The position and spacing of the two rollers 67 on the mounting plate 66 can be adjusted by the pin 68, so that the spacing between the two rollers 67 is adapted to the outer diameter of the water-cooling cable 5 and the winding position of the water-cooling cable 5 is adjusted. The circulating water inlets 55 at both ends of the water-cooling cable 5 are respectively connected to the return pipe and the upper water pipe, so that the circulating water circulates in the sleeve 52 outside the conductor 51 to cool the conductor 51.

[0042] The utility model is a water-cooled cable 5, and circulating water flows through the outside of the conductor 51 to perform heat exchange and cooling to avoid excessive temperature. The support mechanism 6 can be set on the equipment foundation 1, frame 2 or other structure that collides and rubs with the water-cooled cable 5, so that the water-cooled cable 5 passes through the support mechanism 6 and the two are in rolling contact, thereby avoiding damage caused by friction and collision between the water-cooled cable 5 and the equipment foundation 1, frame 2 or other structures, and avoiding sudden failures. The spacing and position of the rollers 67 in the support mechanism 6 can be adjusted to adapt to water-cooled cables 5 with different outer diameters and adjust the spacing between the water-cooled cable 5 and other structures. The roller 67 is a U-shaped concave wheel, and its contact area with the water-cooled cable 5 is large, ensuring stable rolling contact between the two, avoiding sliding friction between the two, and also avoiding lateral movement of the water-cooled cable 5. The mounting plate 66 and the roller 67 can be rotated arbitrarily through the mounting seat 63, so that the water-cooled cable 5 can swing adaptively when passing through the support mechanism 6 during the lifting process, thereby avoiding possible twisting of the water-cooled cable 5.

[0043] The above embodiments are only preferred embodiments of the present utility model and are not limitations on the technical solutions of the present utility model. Any technical solution that can be implemented on the basis of the above embodiments without creative work should be deemed to fall within the scope of protection of the patent of the present utility model.

Claims

1. A silicon core furnace auxiliary electrode, characterized in that: include: Equipment foundation; The rack is located on the equipment foundation; A lifting mechanism is arranged on the frame; Auxiliary electrode, arranged on the lifting mechanism; The electrical box is located on the side of the equipment foundation; Support mechanism, located on the equipment foundation or frame; Wherein, the electrical box is electrically connected with a water-cooling cable, and the water-cooling cable is electrically connected to the auxiliary electrode on the lifting mechanism after winding through the supporting mechanism; The supporting mechanism comprises a rotatably arranged mounting plate, on which a winding assembly which is in rolling contact with the water-cooling cable is rotatably arranged.

2. The silicon core furnace auxiliary electrode according to claim 1, characterized in that: The winding assembly comprises two rollers, and the rollers are U-shaped concave wheels.

3. The silicon core furnace auxiliary electrode according to claim 2, characterized in that: The support mechanism also includes two rotatably arranged mounting plates, the two mounting plates are arranged parallel to each other, and the two rollers are rotatably arranged between the two mounting plates.

4. The silicon core furnace auxiliary electrode according to claim 3, characterized in that: A plurality of mounting holes are respectively arranged vertically and evenly spaced on the two mounting plates, and the two rollers are rotatably connected to the mounting holes on the two mounting plates.

5. The silicon core furnace auxiliary electrode according to claim 4, characterized in that: Two pins are arranged between the two mounting plates, and the two pins respectively pass through two mounting holes corresponding to the positions of the two rollers and the two mounting plates. The pins are coaxially rotated and contacted with the rollers. One end of the pin is an enlarged end, and the other end of the pin is provided with a pin hole, and a pin is arranged in the pin hole.

6. The silicon core furnace auxiliary electrode according to claim 5, characterized in that: The bottom ends of the two mounting plates are connected with mounting seats, the bottom of the mounting seats are rotatably connected with a base, and the base is arranged on the equipment foundation or the frame.

7. The silicon core furnace auxiliary electrode according to claim 6, characterized in that: An opening is provided at the center of the mounting seat, a connecting rod is provided on the base which is perpendicular to the mounting seat and passes through the opening, a deep groove ball bearing is provided between the opening and the connecting rod, a bearing retaining ring is provided between the bottom of the deep groove ball bearing and the base and is located on the outside of the connecting rod, the top end of the connecting rod extends out of the opening and is provided with an external thread, and a locking nut is threadedly connected to the top end of the connecting rod.

8. The silicon core furnace auxiliary electrode according to claim 7, characterized in that: The mounting seat is cylindrical with a cavity inside and an open structure at the bottom. A thrust ball plane bearing coaxial with the base is arranged between the top surface of the mounting seat and the base. A dust ring is arranged on the base at the bottom edge of the mounting seat.

9. The silicon core furnace auxiliary electrode according to any one of claims 1 to 8, characterized in that: The lifting mechanism includes a lower support plate arranged on the frame, an upper support plate is arranged above the lower support plate, a support block and a vertically arranged guide column are arranged between the lower support plate and the upper support plate, a support that can be vertically lifted and lowered is slidably provided on the guide column, a linear slide connected to the support is provided on the side wall of the support block close to the guide column, and the auxiliary electrode is arranged on the support.

10. The silicon core furnace auxiliary electrode according to any one of claims 1 to 8, characterized in that: The water-cooled cable includes an internal conductor and an external sleeve, cable heads are provided at both ends of the conductor and the sleeve, a sleeve is provided outside the cable head, the cable head is electrically connected to the conductor, the outer wall of the sleeve portion is sealed and connected to the inner wall of the sleeve, a circulating water inlet is provided on the outer wall of the sleeve that is not connected to the sleeve, a pipeline connected to the circulating water inlet and the inside of the sleeve is provided inside the sleeve, and the circulating water inlets at both ends of the water-cooled cable are respectively connected to a return pipe and a water supply pipe.

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