Thermal insulation cylinder felt cutting device for single crystal furnace

Abstract

The utility model discloses a felt cutting device of a thermal insulation cylinder for a single crystal furnace. The felt cutting device comprises a rack, a sliding block, a cutter and the thermal insulation cylinder, the cutter is fixed on the sliding block, and the sliding block is arranged on the rack in a sliding manner; a graphite heat preservation felt to be cut is placed in the heat preservation barrel and is higher than an upper opening of the graphite heat preservation felt, and the graphite heat preservation felt higher than the top of the heat preservation barrel is cut through a cutter every time. According to the device, the whole device is stably supported by the triangular rack, the cutter is firmly fixed in the transverse direction and the longitudinal direction in cooperation with the special sliding block design, it is guaranteed that the cutter is in the horizontal state all the time when moving annularly, and the levelness of the cut graphite felt meets the requirement.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the polycrystal production field, concretely relates to a kind of heat-insulating cylinder cutting felt device for single crystal furnace. BACKGROUND

[0002] The existing single crystal furnace heat field heat-insulating cylinder mainly adopts the graphite felt wound around the heat-insulating cylinder to realize its heat-insulating performance, and the height of the graphite felt of the heat-insulating cylinder wound with the felt is usually 20-30mm higher than that of the heat-insulating cylinder. The part of the size is reserved to prevent the deformation of the soft felt after local tensioning during winding or the insufficient overall height caused by the insufficient parallelism of the soft felt and the heat-insulating cylinder, and actually, the 20-30mm high graphite felt needs to be cut. This part of work is mainly manually cut by tool by artificial, and since the thickness of the graphite felt is usually 100-220mm, the artificial cutting is difficult and time-consuming. The cutting precision cannot be guaranteed, and cutting skew is prone to occur, which leads to the scrap of the whole roll of heat-insulating felt. The skills of operating personnel are different, and the difference after cutting is large, so standardization cannot be achieved. The tool cutting is used in artificial cutting, and there is a safety hazard. SUMMARY

[0003] The utility model aims at the deficiencies of the prior art, and provides a kind of heat-insulating cylinder cutting felt device for single crystal furnace, solves the problem that there is no corresponding tool in existing production, improves production efficiency, improves standardization, avoids the scrap of the whole roll of graphite felt caused by cutting error, and avoids the occurrence of safety accidents in manual cutting.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0005] A kind of heat-insulating cylinder cutting felt device for single crystal furnace, including rack, sliding block, tool and heat-insulating cylinder;The tool is fixed on the sliding block, and the sliding block is slidably arranged on the rack;The graphite heat-insulating felt to be cut is placed in the heat-insulating cylinder and protrudes from the upper opening of the graphite heat-insulating felt, and the graphite heat-insulating felt protruding from the top of the heat-insulating cylinder is cut by the tool each time.

[0006] Further, the rack includes an isosceles right triangle base frame at the bottom, and a straight rod vertically welded at the connection of two right angle sides.

[0007] Further, the sliding block is installed on the straight rod and can slide up and down along the direction of the straight rod to adjust the cutting height.

[0008] Further, the sliding block is sleeved on the straight rod, and the sliding block is fixed by sliding block fixing nut rotated on the side of the sliding block.

[0009] Further, the other side of the sliding block is provided with a tool mounting bracket, the tool is horizontally inserted into the tool mounting bracket, and the extension length in the tool mounting bracket can be adjusted.

[0010] Further, a set of cutter fixing nuts are screwed on the cutter mounting frame, and the cutter is fixed on the cutter mounting frame by screwing the cutter fixing nuts.

[0011] Further, a set of universal wheels are installed below the isosceles right triangle base frame at the bottom of the rack.

[0012] Further, the heat preservation cylinder is an annular cylinder with an upper opening and a lower opening, and the graphite heat preservation felt is placed in the annular cylinder.

[0013] Further, the relative height of the heat preservation cylinder and the graphite heat preservation felt inside the heat preservation cylinder can be adjusted, and the graphite heat preservation felt can be lifted to a certain height after each cutting.

[0014] Further, the graphite heat preservation felt is lifted to 20-30mm above the top of the heat preservation cylinder.

[0015] Compared with the prior art, the device has the following advantages:

[0016] (1) The cutting device for felt is designed by using simple and basic stainless steel materials, and has the advantages of strong operability, practicality, high safety and low cost, and solves the problem of no corresponding tooling in the existing production.

[0017] (2) The cutting device for felt is designed by using simple and basic stainless steel materials, and has the advantages of strong operability, practicality, high safety and low cost, and solves the problem of no corresponding tooling in the existing production.

[0018] (3) The cutting device for felt is designed by using simple and basic stainless steel materials, and has the advantages of strong operability, practicality, high safety and low cost, and solves the problem of no corresponding tooling in the existing production.

[0019] (4) The cutting device for felt is designed by using simple and basic stainless steel materials, and has the advantages of strong operability, practicality, high safety and low cost, and solves the problem of no corresponding tooling in the existing production. BRIEF DESCRIPTION OF DRAWINGS

[0020] The above and / or other aspects of the present application will become more apparent by describing in detail the present application with reference to the attached drawings, as follows.

[0021] Figure 1 is a structural schematic view of the cutting device for felt,

[0022] Figure 2 is a structural schematic view of the cutting device for felt.

[0023] Figure 3 This is a diagram showing the operational status of the felt-cutting device.

[0024] Figure 4 This is a schematic diagram of the slider structure of the felt cutting device.

[0025] Figure 5 This is a schematic diagram of the installation structure of the cutting tool and the slider in the felt cutting device.

[0026] In the diagram, the various reference numerals represent:

[0027] 1-Frame; 2-Slider; 3-Slider fixing nut; 4-Cut tool fixing nut; 5-Cut tool; 6-Universal wheel; 7-Insulation cylinder; 8-Graphite insulation felt. Detailed Implementation

[0028] The present invention can be better understood from the following embodiments.

[0029] The structures, proportions, and sizes shown in the accompanying drawings are merely for illustrative purposes and to aid those skilled in the art. They are not intended to limit the scope of this invention and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, provided they do not affect the effectiveness or purpose of this invention, should still fall within the scope of the technical content disclosed in this invention. Furthermore, terms such as "upper," "lower," "front," "rear," and "middle" used in this specification are merely for clarity and not intended to limit the scope of this invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this invention.

[0030] Combination Figures 1 to 3 As shown, the single crystal furnace insulation cylinder felt cutting device of this utility model includes a frame 1, a slider 2, a cutter 5 and an insulation cylinder 7; the cutter 5 is fixed on the slider 2, and the slider 2 is slidably arranged on the frame 1; the graphite insulation felt 8 to be cut is placed in the insulation cylinder 7 and extends above the upper opening of the graphite insulation felt 8, and the cutter 5 cuts the graphite insulation felt 8 that extends above the top of the insulation cylinder 7 each time.

[0031] The frame 1 includes an isosceles right-angled triangular base and a straight rod welded vertically to the connection of the two right-angled sides.

[0032] The slider 2 is mounted on the straight rod and can slide up and down along the straight rod to adjust the cutting height.

[0033] like Figure 4As shown, the slider 2 is sleeved on the straight rod, and the slider 2 is fixed by the slider fixing nut 3 screwed to the side of the slider 2.

[0034] like Figure 5 As shown, a tool mounting bracket is provided on the other side of the slider 2, and the tool 5 is horizontally inserted into the tool mounting bracket and its extension length can be adjusted within the tool mounting bracket.

[0035] A set of tool fixing nuts 4 are screwed onto the tool mounting bracket. By tightening the tool fixing nuts 4, the tool 5 is fixed on the tool mounting bracket.

[0036] A set of casters 6 are installed under the isosceles right-angled triangular base frame at the bottom of the frame 1.

[0037] The heat-insulating cylinder 7 is an annular cylinder with openings at the top and bottom; the graphite heat-insulating felt 8 is placed inside the annular cylinder.

[0038] The relative height between the heat-insulating cylinder 7 and the graphite heat-insulating felt 8 inside is adjustable. After each cutting, the graphite heat-insulating felt 8 can be raised to a certain height.

[0039] The graphite insulation felt 8 is raised to 20-30mm above the top of the insulation cylinder 7 each time.

[0040] The features of the insulation cylinder felt cutting device for this single crystal furnace are as follows:

[0041] The frame 1 of this device adopts an isosceles right-angled triangle structure at the bottom, which ensures the base is firm and stable. A straight rod is welded vertically at the junction of the two right-angled sides of the frame. This rod ensures the entire mechanism is as close as possible to the graphite insulation felt 8. A slider 2 is mounted on the straight rod of the frame 1. This component can move up and down the vertical rod. The slider fixing nut 3 passes vertically through the threaded hole on the side wall of the slider 2. Tightening the slider fixing nut 3 fixes the slider 2 in place. A rectangular through slot (e.g., ...) is provided in the horizontal direction of the slider 2. Figure 4 As shown), after inserting one end of the cutter 5, tighten the cutter fixing nut 4. The cutter fixing nut 4 uses two nuts to prevent the cutter 5 from shifting in the lateral and longitudinal directions (e.g., Figure 5 (As shown).

[0042] After the insulation cylinder is rolled up with felt, as follows: Figure 2 , Figure 3As shown, the graphite heat preservation felt 8 is higher than the heat preservation cylinder 7 by 20-30mm, at this time, the device is placed outside the heat preservation cylinder, the cutter is adjusted to be flush with the upper end surface of the heat preservation cylinder by adjusting the position of the sliding block on the vertical rod, the sliding block is fixed by using the sliding block fixing nut, the cutter is horizontally inserted into the graphite felt, the outer end of the cutter completely penetrates the inner wall of the graphite felt, the rack vertical rod abuts against the outer wall of the graphite heat preservation felt 8, at this time, the device can be dragged to rotate along the outer wall of the graphite heat preservation felt 8 for one turn, the cutter can completely cut off the 20-30mm-high graphite felt in a ring shape. Since the cutter is always flush with the upper edge of the heat preservation cylinder, it can be guaranteed that the upper end surface of the graphite felt on the periphery of the heat preservation cylinder is horizontal, abnormality during manual cutting is avoided, labor efficiency is improved, abnormal operation by human is reduced, on-site standardization is improved, and safety accidents during manual operation are avoided.

[0043] The utility model provides a kind of heat preservation cylinder cutting felt device for single crystal furnace idea and method, the method and approach of specifically realizing this technical scheme are many, above-mentioned only is the preferred implementation mode of the utility model, it should be pointed out, for the ordinary skilled person in the art, without departing from the principle of the utility model, still can make several improvements and refinements under the premise, these improvements and refinements also should be regarded as the protection scope of the utility model.The components not specified in the embodiment can be realized by prior art.

Claims

1. A felt-cutting device for a single crystal furnace insulation cylinder, characterized in that, Including rack (1), slider (2), cutter (5) and heat preservation cylinder (7), the cutter (5) is fixed on the slider (2), the slider (2) is slidably arranged on the rack (1), the graphite heat preservation felt (8) to be cut is placed in the heat preservation cylinder (7) and is higher than the upper opening of the graphite heat preservation felt (8), the graphite heat preservation felt (8) higher than the top of the heat preservation cylinder (7) is cut by the cutter (5) each time; The rack (1) comprises an isosceles right triangle base frame at the bottom, and a straight rod vertically welded at the connection of two right angle sides.

2. The heat retaining cylinder cutting device for a single crystal furnace according to claim 1, wherein The slider (2) is installed on the straight rod and can slide up and down along the direction of the straight rod to adjust the cutting height.

3. The heat retaining cylinder cutting device for a single crystal furnace according to claim 2, wherein The slider (2) is sleeved on the straight rod, and the slider (2) is fixed by a slider fixing nut (3) screwed on the side of the slider (2).

4. The heat retaining cylinder cutting felt device for a single crystal furnace according to claim 2, wherein The other side of the slider (2) is provided with a cutter mounting frame, the cutter (5) is horizontally inserted into the cutter mounting frame, and the length of the cutter (5) can be adjusted in the cutter mounting frame.

5. The heat retaining cylinder cutting felt device for a single crystal furnace according to claim 4, wherein A set of cutter fixing nuts (4) are screwed on the cutter mounting frame, and the cutter (5) is fixed on the cutter mounting frame by screwing the cutter fixing nuts (4).

6. The heat retaining cylinder cutting felt device for a single crystal furnace according to claim 1, wherein A set of universal wheels (6) are installed below the isosceles right triangle base frame at the bottom of the rack (1).

7. The heat retaining cylinder cutting felt device for a single crystal furnace according to claim 1, wherein The heat preservation cylinder (7) is an annular cylinder with an upper opening and a lower opening, and the graphite heat preservation felt (8) is placed in the annular cylinder.

8. The heat retaining cylinder cutting felt device for a single crystal furnace according to claim 7, wherein The relative height of the heat preservation cylinder (7) and the graphite heat preservation felt (8) inside the heat preservation cylinder (7) can be adjusted, and after each cutting is completed, the graphite heat preservation felt (8) can be lifted up by a certain height.

9. The heat retaining cylinder cutting felt device for a single crystal furnace according to claim 8, wherein The graphite heat preservation felt (8) is lifted up by 20-30mm each time.

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