Supporting rod for single crystal furnace

Abstract

The utility model discloses a support rod for a single crystal furnace, which comprises a support rod and a support disc, a plurality of support rods are arranged at the lower end of the support disc, upper clamping blocks and lower clamping blocks are arranged among the plurality of support rods, the upper clamping blocks are arranged at the upper ends of the support rods, the lower clamping blocks are arranged at the lower ends of the support rods, and slots are arranged at the front ends of the upper clamping blocks and the lower clamping blocks. The upper clamping blocks and the lower clamping blocks are spliced and then inserted into the inserting grooves through the inserting pins to be fixed, screw holes are formed in the upper ends of the multiple supporting rods, the upper clamping blocks and the lower clamping blocks are screwed into the screw holes through the bolts to be connected and fixed, and the upper clamping blocks and the lower clamping blocks are spliced in a staggered and inserted mode. The pin is inserted into the slots formed in the upper clamping block and the lower clamping block to fix the upper clamping block and the lower clamping block, the supporting rod is improved into a multi-end structure, so that the supporting rod can be lengthened and shortened according to single crystal furnaces of different models, and when the supporting rod is subjected to material fatigue, fracture or failure, the supporting rod at the fracture part can be disassembled and replaced, so that the maintenance cost is reduced, and the production efficiency is improved. The production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to single crystal furnace related technical field, concretely relates to a single crystal furnace is with the pole of supporting. BACKGROUND

[0002] Single crystal furnace is a kind of in inert gas environment, with graphite heater to melt polycrystalline block etc. Polycrystalline material is grown by straight drawing method without dislocation single crystal equipment. In the single crystal silicon rod drawing process, transmission shaft is located at the bottom of furnace body, and it plays the role of bearing crucible and its filled raw materials and power transmission, but the pole of supporting usually adopts integral design to be made, cannot adapt to the lengthening and shortening of various different equipment, and after long time use, the pole of supporting can appear material fatigue, lead to fracture or failure, the cost of replacing whole pole of supporting is too high to increase production cost. UTILITY MODEL CONTENT

[0003] The utility model discloses a kind of poles of supporting for single crystal furnace, to solve the problem that pole of supporting usually adopts integral design to be made in the above background technology, cannot adapt to the lengthening and shortening of various different equipment, and after long time use, the pole of supporting can appear material fatigue, lead to fracture or failure, the cost of replacing whole pole of supporting is too high to increase production cost.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of pole of supporting for single crystal furnace, including pole of supporting and support disc;

[0005] The lower end of the support disc is provided with a plurality of pole of supporting;

[0006] A plurality of the pole of supporting is provided with upper clamping block and lower clamping block;

[0007] The upper end of the pole of supporting is provided with upper clamping block, the lower end of the pole of supporting is provided with lower clamping block, the upper clamping block and lower clamping block are all provided with insertion slot in front end, and the upper clamping block and lower clamping block are fixed by inserting pin insertion in insertion slot after splicing.

[0008] Preferably, the upper end of a plurality of the pole of supporting is provided with screw hole, and the upper clamping block and lower clamping block are connected and fixed by being screwed in screw hole.

[0009] Preferably, the upper end of the upper clamping block and lower clamping block is provided with aperture, and the aperture is used to increase the heat flow of the inner wall of the pole of supporting.

[0010] Preferably, the upper clamping block, lower clamping block and inserting pin are all made of graphite material, and the bolt is made of high-temperature-resistant steel material.

[0011] Preferably, the lower end of the support disc is provided with fixing rod, and the support disc is fixed by inserting pin in the inner wall of the pole of supporting.

[0012] Preferably, the supporting disc lower end is provided with a limiting ring for preventing the shift of the supporting disc, and the supporting disc upper end is provided with a fixing groove for fixing the crucible.

[0013] Compared with the prior art, the utility model provides a single crystal furnace with the following beneficial effects:

[0014] The supporting rod is improved into a multi-section structure, different lengths of supporting rods can be spliced according to the model of the single crystal furnace when the supporting rod is installed, the upper clamping block and the lower clamping block are fixed in the screw holes of the connecting end of the supporting rod by bolt screwing when the supporting rod is spliced, then the upper clamping block and the lower clamping block are spliced by staggered insertion, the bolt is inserted into the insertion slot of the upper clamping block and the lower clamping block to fix them, and the holes in the upper ends of the upper clamping block and the lower clamping block are used for increasing the temperature connectivity, so that the multiple supporting rods are heated more uniformly, the supporting rod can be lengthened or shortened according to different models of the single crystal furnace by improving the supporting rod into a multi-section structure, when the supporting rod is broken or fails due to material fatigue, the broken supporting rod can be disassembled and replaced, thereby reducing the maintenance cost and the production cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a single crystal furnace supporting rod structure schematic view of the utility model.

[0016] Figure 2 It is a single crystal furnace supporting rod front end planing structure schematic view of the utility model.

[0017] Figure 3 It is an upper clamping block and lower clamping block explosion structure schematic view of the utility model.

[0018] In the drawing: 1, bolt; 2, supporting rod; 3, fixed groove; 4, supporting disc; 5, upper clamping block; 6, lower clamping block; 7, fixed rod; 8, limiting ring; 9, hole; 10, bolt; 11, insertion slot; 12, screw hole. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range protected by the utility model.

[0020] The utility model provides a single crystal furnace supporting rod as Figures 1-3 The utility model discloses a single crystal furnace supporting rod, which comprises a supporting rod 2 and a supporting disc 4.

[0021] The supporting disc 4 is provided with a plurality of supporting rods 2 at the lower end.

[0022] The upper clamping block 5 and the lower clamping block 6 are arranged between the plurality of supporting rods 2.

[0023] The upper clamping block 5 is arranged at the upper end of the supporting rod 2, and the lower clamping block 6 is arranged at the lower end of the supporting rod 2.

[0024] When the supporting rod 2 is installed, different lengths of the supporting rod 2 can be spliced according to the model of the single crystal furnace.

[0025] As shown in Figure 1 and Figure 3 , the plurality of supporting rods 2 are provided with screw holes 12 at the upper ends thereof. The upper clamping block 5 and the lower clamping block 6 are connected and fixed by being screwed into the screw holes 12 through bolts 10. The upper clamping block 5 and the lower clamping block 6 are provided with openings 9 at the upper ends thereof. The upper clamping block 5, the lower clamping block 6 and the pin 1 are made of graphite material. The bolt 10 is made of high-temperature-resistant steel material.

[0026] The upper clamping block 5 and the lower clamping block 6 are fixed by being screwed into the screw holes 12 at the connecting end of the supporting rod 2 through the bolts 10. The openings 9 provided at the upper ends of the upper clamping block 5 and the lower clamping block 6 are used to increase the temperature connectivity, so that the plurality of supporting rods 2 are heated more uniformly. The upper clamping block 5, the lower clamping block 6 and the pin 1 made of graphite material have better heat resistance.

[0027] As shown in Figure 1 and Figure 2 , the supporting disc 4 is provided with a fixing rod 7 at the lower end thereof. The supporting disc 4 is fixed by being inserted into the inner wall of the supporting rod 2 through the fixing rod 7. The supporting disc 4 is provided with a limiting ring 8 at the lower end thereof. The limiting ring 8 is used to limit the position of the supporting rod 2 to prevent deviation. The supporting disc 4 is provided with a fixing groove 3 at the upper end thereof. The fixing groove 3 is used to fix the crucible.

[0028] The supporting disc 4 is fixed by being inserted into the inner wall of the supporting rod 2 through the fixing rod 7. After the fixing rod 7 is inserted into the supporting rod 2, the limiting ring 8 is used to limit the position of the supporting rod 2 to prevent deviation of the supporting rod 2. The supporting disc 4 is connected and fixed to the crucible through the fixing groove 3 and supports the crucible.

[0029] The utility model discloses a working principle: support disc 4 is inserted in the inner wall of the support rod 2 through the fixed link 7 and is fixed, and the limiting ring 8 is used to limit the position of the support rod 2 after the fixed link 7 is inserted in the support rod 2, preventing the support rod 2 from deviating, and the support disc 4 is connected and fixed to the crucible through the fixed groove 3 and supports, when installing the support rod 2, the support rod 2 of different lengths can be spliced according to the model of the single crystal furnace, when splicing the support rod 2, the upper clamping block 5 and the lower clamping block 6 are respectively screwed and fixed in the screw hole 12 of the connecting end of the support rod 2 through the bolt 10 and fixed, then the upper clamping block 5 and the lower clamping block 6 are spliced by staggered insertion, the bolt 1 is inserted into the slot 11 of the upper clamping block 5 and the lower clamping block 6 and is fixed, and the hole 9 of the upper clamping block 5 and the lower clamping block 6 is used to increase the temperature connectivity, so that the multiple support rods 2 are heated more evenly, and the support rod 2 can be lengthened and shortened according to different models of single crystal furnaces by improving the support rod 2 into a multi-end structure, when the support rod 2 appears material fatigue, leading to fracture or failure, the support rod 2 at the fracture can be disassembled and replaced.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and do not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A single crystal furnace with a supporting rod, comprising a supporting rod (2) and a supporting disc (4); The lower end of the supporting disc (4) is provided with a plurality of supporting rods (2); A plurality of the supporting rods (2) are provided with an upper clamping block (5) and a lower clamping block (6); characterized in that The upper end of the supporting rod (2) is provided with an upper clamping block (5), the lower end of the supporting rod (2) is provided with a lower clamping block (6), the front end of the upper clamping block (5) and the lower clamping block (6) is provided with a slot (11), and the upper clamping block (5) and the lower clamping block (6) are fixed by being inserted into the slot (11) through a bolt (1) after being spliced.

2. A support rod for a single crystal furnace according to claim 1, characterized in that: The upper end of a plurality of the supporting rods (2) is provided with a threaded hole (12), and the upper clamping block (5) and the lower clamping block (6) are connected and fixed by being screwed into the threaded hole (12) through a bolt (10).

3. The support rod for a single crystal furnace according to claim 1, wherein: The upper end of the upper clamping block (5) and the lower clamping block (6) is provided with an opening (9), and the opening (9) is used to increase the heat circulation of the inner wall of the supporting rod (2).

4. The support rod for a single crystal furnace according to claim 2, wherein: The upper clamping block (5), the lower clamping block (6) and the bolt (1) are all made of graphite material, and the bolt (10) is made of high-temperature-resistant steel material.

5. The support rod for a single crystal furnace according to claim 1, wherein: The lower end of the supporting disc (4) is provided with a fixing rod (7), and the supporting disc (4) is fixed by being inserted into the inner wall of the supporting rod (2) through the fixing rod (7).

6. The support rod for a single crystal furnace according to claim 1, wherein: The lower end of the supporting disc (4) is provided with a limiting ring (8), the limiting ring (8) is used to prevent the supporting rod (2) from deviating, and the upper end of the supporting disc (4) is provided with a fixing groove (3), and the fixing groove (3) is used to fix a crucible.

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