A reinforcing and uniform fixing tool for the outer layer felt of a single crystal furnace insulation cylinder

Abstract

The utility model discloses a kind of for the reinforcing uniform fixing tool of single crystal furnace heat preservation cylinder outer layer felt, including the outer side of soft felt is provided with multiple parallel transverse steel belts and the fixed end and movable end of connecting transverse steel belt two ends, the side surface of transverse steel belt away from soft felt is vertically spaced apart and is welded vertical steel belt, form grid structure, and transverse steel belt and the welding point of vertical steel belt are equipped with the reinforcing rib piece of triangle, the both ends of vertical steel belt are equipped with the protrusion in contact with soft felt. Uniform arrangement is formed in the outside of soft felt to form uniform fixing, realize that the heat preservation performance of each part of soft felt is consistent, improve the reinforcing effect of overall to soft felt.

Description

Technical Field

[0001] This utility model relates to the field of monocrystalline silicon manufacturing technology, specifically to a reinforcing and uniform fixing fixture for the outer layer felt of a monocrystalline furnace insulation cylinder. Background Technology

[0002] In the Czochralski process for producing single-crystal silicon, the thermal insulation performance is particularly important; uniform insulation provides a stable temperature environment for crystal growth. The insulation cylinder is a crucial component in the thermal field, used to maintain the temperature around the perimeter.

[0003] Currently, the insulation cylinder is mainly composed of three parts: upper, middle and lower. The outer layer is wrapped with several layers of soft felt, and it is mainly fixed by 4 to 5 hose clamps and steel straps. The outer curvature is not consistent. The steel straps are locked inward and loose outward at the unfixed parts, resulting in inconsistent insulation performance. The steel straps are separated from each other, and the steel straps at the upper and lower ends of the insulation cylinder are prone to slipping and falling off during use.

[0004] Therefore, this application is submitted. Utility Model Content

[0005] The purpose of this invention is to provide a reinforced and uniform fixing fixture for the outer layer felt of a single crystal furnace insulation cylinder, so as to achieve uniformity and consistency of the outer layer felt after fixing, improve the fixing effect, and solve the problems existing in the prior art.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following solution:

[0007] A reinforcing and uniform fixing fixture for the outer layer felt of a single crystal furnace insulation cylinder includes multiple parallel transverse steel strips on the outside of the soft felt, as well as fixed and movable ends connecting the two ends of the transverse steel strips. Vertical steel strips are welded vertically at intervals on the side of the transverse steel strips away from the soft felt to form a grid structure. Triangular reinforcing ribs are provided at the welding points of the transverse and vertical steel strips. The two ends of the vertical steel strips are provided with protrusions that contact the soft felt.

[0008] Furthermore, the vertical steel strips are evenly distributed among multiple horizontal steel strips, forming multiple grid units that cause the soft felt to bulge outwards.

[0009] Furthermore, the two right-angled sides of the reinforcing rib are welded and fixed to the horizontal steel strip and the vertical steel strip, respectively.

[0010] Furthermore, the depth of the protrusion is 1.2~1.8mm, and the width of the vertical steel strip is 8~12mm.

[0011] Furthermore, it also includes an auxiliary steel strip parallel to the transverse steel strip, which is welded to the end of the vertical steel strip.

[0012] Furthermore, the welding position of the auxiliary steel strip corresponds to the protrusion.

[0013] Furthermore, the vertical welding spacing of the vertical steel strip is 150~200mm.

[0014] Furthermore, the transverse steel strip, vertical steel strip, and auxiliary steel strip are all made of stainless steel.

[0015] The beneficial effects of this utility model are:

[0016] This invention utilizes parallel horizontal steel strips and multiple vertical steel strips welded evenly to the horizontal and vertical steel strips, ensuring uniform distribution and even fixation on the exterior of the soft felt, thus achieving consistent insulation performance across all parts of the soft felt. Right-angled triangular reinforcing ribs are placed at the welding points of the horizontal and vertical steel strips for secondary reinforcement, preventing detachment and enhancing the overall reinforcement effect on the soft felt. Auxiliary steel strips connecting the two ends of the vertical steel strips, along with protrusions at both ends that contact the outer surface of the soft felt, provide secondary reinforcement to the top and sides of the soft felt. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the unfolded structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the outermost soft felt forming an outwardly convex grid unit in this utility model;

[0020] Figure 4 This is a side view of the vertical steel strip structure of this utility model.

[0021] Reference numerals: 1-Horizontal steel strip, 10-Fixed end, 11-Modible end, 2-Vertical steel strip, 20-Protrusion, 3-Auxiliary steel strip, 4-Reinforcing rib, 5-Insulation cylinder, 6-Soft felt. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to the embodiments and accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0023] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set up," "have," "install," "connect," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] Example 1

[0026] Embodiment 1 of this utility model is a reinforcing and uniform fixing fixture for the outer layer felt of a single crystal furnace insulation cylinder 5. It includes multiple parallel transverse steel strips 1 on the outside of the soft felt 6 and fixed ends 10 and movable ends 11 connecting the two ends of the transverse steel strips 1. Vertical steel strips 2 are welded vertically at intervals on the side of the transverse steel strips 1 away from the soft felt 6 to form a grid structure. Triangular reinforcing ribs 4 are provided at the welding points of the transverse steel strips 1 and the vertical steel strips 2. The two ends of the vertical steel strips 2 are provided with protrusions 20 that contact the soft felt 6.

[0027] Reference Figure 1 and Figure 2This utility model mainly includes multiple parallel horizontal steel strips 1, vertical steel strips 2 arranged vertically at uniform intervals and welded to the horizontal steel strips 1, and reinforcing ribs 4 used to strengthen the connection performance at the welding points of the horizontal steel strips 1 and the vertical steel strips 2. On the one hand, it ensures that the horizontal steel strips 1 and the vertical steel strips 2 are evenly distributed and welded to form a grid structure with several uniform grid units, forming a uniform arrangement on the outside of the soft felt 6, thus achieving uniform fixation. On the other hand, it connects the parallel horizontal steel strips 1, preventing the top and bottom horizontal steel strips 1 from falling off during use, which would lead to inconsistent insulation performance in different parts. The reinforcing ribs 4 are mainly used for secondary reinforcement between the horizontal steel strips 1 and the vertical steel strips 2, improving the overall reinforcement effect of the soft felt 6. Furthermore, both ends of the vertical steel strip 2 are provided with protrusions 20 that contact the soft felt 6. These protrusions 20 are arc-shaped, and during the fixing process, they can be made to contact the end of the soft felt 6 inward. Thus, the vertical steel strip 2 exerts a squeezing and fixing effect on the soft felt 6 through the protrusions 20, thereby strengthening and reinforcing it.

[0028] It should be noted that the transverse steel strip 1 is a hose clamp type steel strip, with fixed end 10 and movable end 11 at both ends. This is existing technology and will not be described in detail here. After the movable end 11 is fixed inside the fixed end 10, a length of 250~300mm can be reserved so that the upper, middle and lower insulation cylinders 5 can all be fixed and used.

[0029] In some preferred embodiments, the vertical steel strips 2 are evenly distributed among multiple horizontal steel strips 1, forming multiple grid units that cause the soft felt 6 to bulge outwards. The horizontal steel strips 1 are arranged horizontally and evenly, and the vertical steel strips 2 are also arranged vertically and evenly. When the fixed end 10 of the horizontal steel strip 1 is fixed to the movable end 11, the two form a circular grid structure with several uniform grid units, which is tightly fixed to the outer circumference of the soft felt 6, causing the soft felt 6 to bulge outwards at the grid. That is, the outermost soft felt 6 has several outwardly bulging structures, ensuring a stable connection of the soft felt 6 within the fixing fixture and preventing it from falling off during use, thus reducing its insulation performance. (Refer to...) Figure 3 .

[0030] In some preferred embodiments, the two right-angled sides of the reinforcing rib 4 are welded and fixed to the horizontal steel strip 1 and the vertical steel strip 2, respectively. This reinforcing rib 4 is a right-angled triangle, and by welding its two right-angled sides to the horizontal steel strip 1 and the vertical steel strip 2, the welding points between the horizontal steel strip 1 and the vertical steel strip 2 are reinforced, thereby improving the fixing effect.

[0031] In some preferred embodiments, the depth of the protrusion 20 is 1.2~1.8mm, and the width of the vertical steel strip 2 is 8~12mm. The depth of the protrusion 20 should not be too large, as this would damage the soft felt 6 and shorten its service life. At the same time, the depth of the protrusion 20 can be selected within this range in combination with the width of the steel strip to ensure the fixation of the soft felt 6.

[0032] Example 2

[0033] This embodiment 2 is implemented based on embodiment 1, and further includes an auxiliary steel strip 3 parallel to the transverse steel strip 1, wherein the auxiliary steel strip 3 is welded to the end of the vertical steel strip 2. The welding position of the auxiliary steel strip 3 corresponds to the protrusion 20. (Refer to...) Figure 4 The position corresponding to the protrusion 20 is parallel to the other side of the vertical steel strip 2. The auxiliary steel strip 3 is set here. Under the connection of the transverse steel strip 1, the transverse steel strip 1 at the top and bottom generates radial pressure, which is transmitted to the auxiliary steel strip 3 through the vertical steel strip 2. The auxiliary steel strip 3 focuses the pressure on the protrusion 20 and generates a squeezing force, so that the protrusion 20 generates a squeezing fixing force on the soft felt 6. In addition, it can play a secondary connection role at both ends of the vertical steel strip 2.

[0034] Meanwhile, the welding spacing of the vertical steel strip 2 is described here, which is 150~200mm. The specific welding spacing can be set according to actual needs, and will not be elaborated here.

[0035] In some preferred embodiments, the transverse steel strip 1, the vertical steel strip 2, and the auxiliary steel strip 3 are all made of stainless steel. Stainless steel can extend the overall service life of the fixture and improve its reusability.

[0036] The working principle of this utility model is as follows: Multiple horizontal steel strips 1 and multiple vertical steel strips 2 are uniformly welded vertically through parallel horizontal steel strips 1, resulting in a uniformly distributed weld of the horizontal steel strips 1 and vertical steel strips 2. This uniform arrangement on the outside of the soft felt 6 creates a uniform fixation, ensuring consistent thermal insulation performance across all parts of the soft felt 6. Right-angled triangular reinforcing ribs 4 are set at the welding points of the horizontal steel strips 1 and vertical steel strips 2 for secondary reinforcement between the horizontal steel strips 1 and vertical steel strips 2, enhancing the overall reinforcement effect on the soft felt 6. Auxiliary steel strips 3 connecting the two ends of the vertical steel strips 2 and protrusions 20 at both ends that contact the outer periphery of the soft felt 6 provide secondary reinforcement to the top and top of the soft felt 6.

[0037] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications, equivalent substitutions, and improvements made to the above embodiments based on the technical essence of the present utility model and within the spirit and principles of the present utility model shall still fall within the protection scope of the present utility model.

Claims

1. A reinforcing and uniform fixing tool for the outer layer felt of a single crystal furnace holding cylinder, characterized in that, The system includes multiple parallel transverse steel strips (1) on the outside of the soft felt (6) and fixed ends (10) and movable ends (11) connecting the two ends of the transverse steel strips (1). The transverse steel strips (1) are vertically welded at intervals to the side away from the soft felt (6) to form a grid structure. Triangular reinforcing ribs (4) are provided at the welding points of the transverse steel strips (1) and the vertical steel strips (2). The two ends of the vertical steel strips (2) are provided with protrusions (20) that contact the soft felt (6).

2. The reinforcing and uniform fixing fixture for the outer layer felt of a single crystal furnace insulation cylinder according to claim 1, characterized in that, The vertical steel strip (2) is evenly distributed between multiple horizontal steel strips (1) to form multiple grid units that cause the soft felt (6) to bulge outward.

3. The reinforcing and uniform fixing fixture for the outer layer felt of a single crystal furnace insulation cylinder according to claim 1, characterized in that, The two right-angled sides of the reinforcing rib (4) are welded and fixed to the horizontal steel strip (1) and the vertical steel strip (2) respectively.

4. The reinforcing and uniform fixing fixture for the outer layer felt of a single crystal furnace insulation cylinder according to claim 1, characterized in that, The depth of the protrusion (20) is 1.2~1.8mm, and the width of the vertical steel strip (2) is 8~12mm.

5. The reinforcing and uniform fixing fixture for the outer layer felt of a single crystal furnace insulation cylinder according to claim 1, characterized in that, It also includes an auxiliary steel strip (3) parallel to the transverse steel strip (1), which is welded to the end of the vertical steel strip (2).

6. The reinforcing and uniform fixing fixture for the outer layer felt of a single crystal furnace insulation cylinder according to claim 5, characterized in that, The welding position of the auxiliary steel strip (3) corresponds to the protrusion (20).

7. A reinforcing and uniform fixing fixture for the outer layer felt of a single crystal furnace insulation cylinder according to claim 5, characterized in that, The vertical welding spacing of the vertical steel strip (2) is 150~200mm.

8. The reinforcing and uniform fixing fixture for the outer layer felt of a single crystal furnace insulation cylinder according to claim 5, characterized in that, The transverse steel strip (1), vertical steel strip (2) and auxiliary steel strip (3) are all made of stainless steel.

Images