Tool for assisting in cutting insulation barrel felt

Abstract

The utility model discloses a tool for assisting in cutting a heat preservation barrel felt. The tool comprises a height adjusting connecting bottom column and a circular bottom plate arranged at the bottom of the height adjusting connecting bottom column. A height adjusting connecting bottom column is arranged in the middle of the boss, the height adjusting connecting bottom column is rotationally connected with the boss through a bearing, a shifting adjusting knob is arranged in the middle of the height adjusting connecting bottom column, and a built-in threaded connecting rod is arranged in the middle of the shifting adjusting knob; a lifting workbench is arranged at the top of the built-in threaded connecting rod, internal threads are arranged on the inner side face of the stirring adjusting knob, and the stirring adjusting knob can enable the built-in threaded connecting rod to drive the lifting workbench to run vertically under the action of the threads. Through the improvement, the flatness of the cutting surface of the insulation barrel felt can be ensured, the working efficiency of cutting the insulation barrel felt is improved, no gap between the upper, middle and lower insulation barrel felts during furnace closing is ensured, and the heat leakage condition in the crystal pulling process is prevented.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the related technical field of the tool that makes the cutting flat of the heat preservation barrel in the single crystal furnace, and specifically relates to a kind of tooling for cutting heat preservation barrel felt. BACKGROUND

[0002] In the process of manufacturing single crystal by czochralski method, the thermal field provides stable temperature environment for silicon single crystal growth, so keeping the stability of temperature in the process of silicon single crystal growth is crucial for the growth of silicon single crystal. Since the heat preservation barrel is one of the thermal field systems, the heat preservation of the heat preservation barrel becomes a key link. The heat preservation barrel needs to be wrapped with felt and cut by human, and since the force of cutting the heat preservation barrel felt by human is uneven, it is inevitable that the cutting felt surface is uneven. When the furnace personnel stack them together, there will be gaps and holes between the heat preservation barrels, which will cause certain heat leakage risk and adversely affect the growth environment of silicon single crystal, which is not conducive to the growth of silicon single crystal. Therefore, the present application aims to design a tooling for cutting heat preservation barrel felt to eliminate the gaps between the heat preservation barrel felt and improve the heat preservation of the heat preservation barrel, so as to provide a stable temperature environment for silicon single crystal and improve the yield. SUMMARY

[0003] The utility model discloses a kind of tooling for cutting heat preservation barrel felt, to solve the force of cutting the heat preservation barrel felt by human in the background art described above is uneven, so it is inevitable that the cutting felt surface is uneven, when the furnace personnel stack them together, there will be gaps and holes between the heat preservation barrels, which will cause certain heat leakage risk and adversely affect the growth environment of silicon single crystal, which is not conducive to the growth of silicon single crystal.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of tooling for cutting heat preservation barrel felt, for heat preservation barrel felt body, heat preservation barrel felt body bottom position is provided with circular bottom plate;

[0005] The middle position of circular bottom plate is provided with the boss of connection effect;

[0006] The middle position of the boss is provided with height adjustment connecting bottom column, the height adjustment connecting bottom column is rotationally connected with the boss by bearing, the middle position of the height adjustment connecting bottom column is provided with the knob of stirring adjustment, the middle position of the knob of stirring adjustment is provided with built-in threaded connecting rod, the top position of the built-in threaded connecting rod is provided with lifting workbench, the inner side surface position of the knob of stirring adjustment is provided with internal thread, the knob of stirring adjustment is stirred because the built-in threaded connecting rod can drive lifting workbench to run straight up and straight down due to the effect of thread.

[0007] Preferably, the side position of the lifting workbench is provided with a connecting shaft rod body, which is installed and connected with the lifting workbench through screws.

[0008] Preferably, the end position of the connecting shaft rod body is provided with a mounting plug-in outer column, and the connecting shaft rod body and the mounting plug-in outer column are in an integrated structure.

[0009] Preferably, the middle position of the mounting plug-in outer column is provided with a connecting plug-in block, the inner position of the connecting plug-in block is provided with a lifting connecting spring, the top position of the lifting connecting spring is provided with a buckling slope block, and after the connecting plug-in block is plugged into the mounting plug-in outer column, the lifting connecting spring will extrude the buckling slope block for clamping.

[0010] Preferably, the top end position of the buckling slope block is provided with a pressing button, and the outer diameter of the pressing button is equal to the inner diameter of the through slot on the mounting plug-in outer column.

[0011] Preferably, the side position of the pressing button is provided with a limit connecting block, and the limit connecting block and the pressing button are in an integrated structure.

[0012] Preferably, the outer side position of the limit connecting block is provided with a limit moving groove, and the length of the limit moving groove is the moving range of the limit connecting block.

[0013] Preferably, the end position of the connecting plug-in block is provided with a mounting plug-in inner column, and the end position of the mounting plug-in inner column is provided with a stainless steel cutter.

[0014] Compared with the prior art, the utility model provides a kind of tool for assisting cutting insulation bucket felt, with the following beneficial effects:

[0015] 1. In the tool for assisting cutting insulation bucket felt, the middle position of the boss is provided with a height adjustment connecting bottom column, the height adjustment connecting bottom column is rotatably connected with the boss by bearings, the middle position of the height adjustment connecting bottom column is provided with a knob, the middle position of the knob is provided with an internal threaded connecting rod, the top position of the internal threaded connecting rod is provided with a lifting workbench, the inner side position of the knob is provided with an internal thread, and the knob is driven to move up and down by the internal threaded connecting rod due to the thread effect, the cutter is driven to rotate around the origin by the support rod under the action of the bearing, and a cutting surface flat insulation bucket felt can be obtained, the utility model can ensure the flatness of the cutting surface of the insulation bucket felt, improve the work efficiency of cutting the insulation bucket felt, ensure that there is no gap between the upper, middle and lower insulation bucket felts when the furnace is combined, and prevent heat leakage during the crystal pulling process.

[0016] 2. The utility model provides a tool for cutting the felt of the heat preservation bucket, and the middle position of the tool is provided with a connecting plug block, the inside of the connecting plug block is provided with a lifting connecting spring, and the top of the lifting connecting spring is provided with a buckling slope block, the connecting plug block is plugged into the mounting plug outer column, the lifting connecting spring is pressed to clamp the buckling slope block, and the tool can be conveniently connected and mounted with the stainless steel cutter, thereby effectively improving the mounting efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a tool for cutting the felt of the heat preservation bucket.

[0018] Figure 2 It is a tool for cutting the felt of the heat preservation bucket.

[0019] Figure 3 It is a tool for cutting the felt of the heat preservation bucket.

[0020] Figure 4 It is a tool for cutting the felt of the heat preservation bucket.

[0021] In the figure: 1, lifting workbench; 2, height adjusting connecting bottom column; 3, connecting boss; 4, connecting shaft body; 5, mounting plug outer column; 6, mounting plug inner column; 7, stainless steel cutter; 8, heat preservation bucket felt body; 9, circular bottom plate; 10, pressing button; 11, built-in threaded connecting rod; 12, knob; 13, connecting plug block; 14, lifting connecting spring; 15, limiting connecting block; 16, limiting moving groove; 17, buckling slope block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] The utility model provides a kind of tool for cutting the felt of the heat preservation bucket as shown in Figures 1-4 For heat preservation bucket felt body 8, circular bottom plate 9 is arranged at the bottom position of heat preservation bucket felt body 8;

[0024] Connecting boss 3 is arranged at the middle position of circular bottom plate 9;

[0025] The middle position of the boss 3 is provided with a height adjusting connecting column 2, the height adjusting connecting column 2 is rotatably connected with the boss 3 through a bearing, the middle position of the height adjusting connecting column 2 is provided with a dialing adjusting knob 12, the middle position of the dialing adjusting knob 12 is provided with an internal threaded connecting rod 11, the top position of the internal threaded connecting rod 11 is provided with a lifting workbench 1, the inner side position of the dialing adjusting knob 12 is provided with an internal thread, and the dialing of the dialing adjusting knob 12 can drive the internal threaded connecting rod 11 to make the lifting workbench 1 run straight up and straight down due to the thread effect, so that the cutting surface flatness of the heat preservation barrel felt can be ensured, the working efficiency of cutting the heat preservation barrel felt is improved, and the gap between the upper, middle and lower heat preservation barrel felts during furnace combining is avoided, and the heat leakage during crystal pulling is prevented.

[0026] As shown in Figure 1 , the side position of the lifting workbench 1 is provided with a connecting shaft rod body 4, the connecting shaft rod body 4 is installed and connected with the lifting workbench 1 through a screw, and the connecting shaft rod body 4 plays a role of horizontal support.

[0027] As shown in Figure 4 , the end position of the connecting shaft rod body 4 is provided with a mounting plug-in outer column 5, the connecting shaft rod body 4 and the mounting plug-in outer column 5 are an integral structure, the middle position of the mounting plug-in outer column 5 is provided with a connecting plug-in block 13, the inner position of the connecting plug-in block 13 is provided with a lifting connecting spring 14, the top position of the lifting connecting spring 14 is provided with a buckling slope block 17, and after the connecting plug-in block 13 is plugged into the mounting plug-in outer column 5, the lifting connecting spring 14 will extrude the buckling slope block 17 for clamping, so that the connecting and installation of the stainless steel cutter 7 can be facilitated, and the installation efficiency thereof can be effectively improved.

[0028] As shown in Figure 4 , the top end position of the buckling slope block 17 is provided with a pressing button 10, the outer diameter of the pressing button 10 is equal to the inner diameter of the through groove on the mounting plug-in outer column 5, the side position of the pressing button 10 is provided with a limiting connecting block 15, the limiting connecting block 15 and the pressing button 10 are an integral structure, the pressing of the pressing button 10 can facilitate the inward shrinking of the buckling slope block 17, so that the connecting plug-in block 13 can be pulled out, and then the stainless steel cutter 7 can be conveniently disassembled.

[0029] As shown in Figure 4 , the outer side position of the limiting connecting block 15 is provided with a limiting moving groove 16, the length of the limiting moving groove 16 is the moving range of the limiting connecting block 15, and the limiting connecting block 15 and the limiting moving groove 16 can limit the pressing of the pressing button 10 to effectively avoid the disengagement of the pressing button 10.

[0030] As shown in Figure 4As shown, the end position of the connecting plug-in block 13 is provided with a mounting plug-in inner column 6, and the end position of the mounting plug-in inner column 6 is provided with a stainless steel cutter 7, in operation, a person pushes the stainless steel cutter 7, and the stainless steel cutter 7 drives the lifting workbench 1 and the height-adjusting connecting bottom column 2 to rotate around the origin under the action of the bearing for one circle, so that a cutting surface flat heat preservation bucket felt can be obtained.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A tooling for assisting in cutting insulation barrel felt, for insulation barrel felt body (8), with a circular base plate (9) provided at the bottom of the insulation barrel felt body (8); A boss (3) is provided in the middle of the circular base plate (9) to serve as a connector; Its features are: A height-adjustable connecting column (2) is provided at the middle position of the boss (3). The height-adjustable connecting column (2) is rotatably connected to the boss (3) through a bearing. A toggle adjustment knob (12) is provided at the middle position of the height-adjustable connecting column (2). An internal threaded connecting rod (11) is provided at the middle position of the toggle adjustment knob (12). A lifting worktable (1) is provided at the top position of the internal threaded connecting rod (11). An internal thread is provided on the inner side of the toggle adjustment knob (12). By turning the toggle adjustment knob (12), the internal threaded connecting rod (11) can drive the lifting worktable (1) to move straight up and down due to the effect of the thread.

2. The tooling for assisting in cutting thermal insulation barrel felt according to claim 1, characterized in that: A connecting shaft (4) is provided on the side of the lifting worktable (1), and the connecting shaft (4) is installed and connected to the lifting worktable (1) by screws.

3. The tooling for assisting in cutting thermal insulation barrel felt according to claim 2, characterized in that: The connecting shaft body (4) is provided with an installation plug-in outer column (5) at the end position, and the connecting shaft body (4) and the installation plug-in outer column (5) are an integral structure.

4. The tooling for assisting in cutting thermal insulation barrel felt according to claim 3, characterized in that: A connecting plug block (13) is provided at the middle position of the installation plug-in outer column (5). A lifting connecting spring (14) is provided inside the connecting plug block (13). A snap-fit ​​slope block (17) is provided at the top position of the lifting connecting spring (14). After the connecting plug block (13) is inserted into the installation plug-in outer column (5), the lifting connecting spring (14) will squeeze the snap-fit ​​slope block (17) to snap it in place.

5. The tooling for assisting in cutting thermal insulation barrel felt according to claim 4, characterized in that: A snap button (10) is provided at the top of the snap-fit ​​slope block (17), and the outer diameter of the snap button (10) is equal to the inner diameter of the through groove on the mounting plug-in outer column (5).

6. The tooling for assisting in cutting thermal insulation barrel felt according to claim 5, characterized in that: A limiting connecting block (15) is provided on the side of the press button (10), and the limiting connecting block (15) and the press button (10) are an integral structure.

7. The tooling for assisting in cutting thermal insulation barrel felt according to claim 6, characterized in that: A limiting moving groove (16) is provided at the outer position of the limiting connecting block (15), and the length of the limiting moving groove (16) is the moving range of the limiting connecting block (15).

8. The tooling for assisting in cutting thermal insulation barrel felt according to claim 7, characterized in that: The connecting plug block (13) is provided with a mounting plug inner post (6) at its end position, and a stainless steel cutter (7) is provided at the end position of the mounting plug inner post (6).

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