CN214271110U

CN214271110U - Tile heat preservation cylinder for single crystal furnace

Info

Publication number: CN214271110U
Application number: CN202023285659.6U
Authority: CN
Inventors: 雷君启; 苗仕红; 陈文杰; 徐建斌; ***
Original assignee: Zhejiang Xiangri Technology Carbon Co ltd
Current assignee: Zhejiang Xiangri Technology Carbon Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-24
Anticipated expiration: 2030-12-29

Abstract

The tile heat preservation cylinder for the single crystal furnace comprises a plurality of arc splicing blocks which are equally divided into a circle, one side surface of each arc splicing block is respectively provided with an inner extension shoulder which is distributed along the axial direction of the arc splicing block, the inner surface of the inner extension shoulder is flush with the inner wall of the arc splicing block, the outer surface of the inner extension shoulder and one side surface of the arc splicing block, which is provided with the inner extension shoulder, form an outer step, the opposite side of each arc-shaped splicing block is provided with an extending long shoulder arranged along the axial direction of the arc-shaped splicing block, the outer surface of the extending long shoulder and the outer surface of the arc-shaped splicing block are flushed, the inner surface of the extending long shoulder and the arc-shaped splicing block are provided with an inner step formed by extending the side surface of the extending long shoulder, two adjacent arc-shaped splicing blocks are spliced by the extending long shoulder and the extending long shoulder, the outer surface of the extending long shoulder and the inner surface of the extending long shoulder are matched, and the extending long shoulder are fixed through a radial locking mechanism.

Description

Tile heat preservation cylinder for single crystal furnace

Technical Field

The utility model belongs to the technical field of the single crystal growing furnace accessory, especially, relate to a tile heat preservation section of thick bamboo for single crystal growing furnace.

Background

The single crystal furnace comprises a heat preservation cylinder.

The material of a heat preservation section of thick bamboo generally is the integral type structure, and it leads to a heat preservation section of thick bamboo's the processing degree of difficulty also to strengthen thereupon because the condition that the diameter constantly enlarges, for this, has the inventor to design a split type heat preservation section of thick bamboo, utilizes polylith splice to splice, utilizes the staple bolt to tighten up after the concatenation, finally forms a circular heat preservation section of thick bamboo.

Although the structure can meet the use requirement, the mode has some defects, such as poor sealing performance between blocks, high cost of the hoop and easy falling-off phenomenon.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problems and provides a tile heat preservation cylinder for single crystal furnace, which can solve the technical problems.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

In the tile heat-insulating cylinder for the single crystal furnace, the outer surface of the inner extension shoulder is an arc-shaped convex surface, the inner surface of the outer extension shoulder is an arc-shaped concave surface, and the arc-shaped convex surface is matched with the arc-shaped concave surface.

In the tile heat-insulating cylinder for the single crystal furnace, the thickness of the inner extension shoulder and the thickness of the outer extension shoulder are equal to the thickness of the arc-shaped splicing block.

In the tile heat-insulating cylinder for the single crystal furnace, the radial locking mechanism comprises a plurality of threaded holes which are arranged on the inner extension shoulder and are uniformly distributed at intervals, a plurality of through-nail holes which are in one-to-one correspondence with the threaded holes are arranged on the outer extension shoulder, a screw is respectively arranged in each through-nail hole in a penetrating way, and the thread section of each screw extends into the threaded hole and is in threaded connection with the threaded hole.

In the tile heat-preserving cylinder for the single crystal furnace, the screw is a slotted screw.

Compared with the prior art, the tile heat-preserving cylinder for the single crystal furnace has the advantages that:

when two adjacent arc splice pieces splice, interior step is put into and is leaned on and target in place to interior extension shoulder, and outer step is put into and is leaned on and target in place to the extension shoulder, realizes sealing connection, simultaneously, can also improve the structural strength of junction.

The radial locking mechanism can avoid the falling-off phenomenon.

Drawings

Fig. 1 is a schematic structural diagram provided by the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic diagram of a transverse cross-section structure provided by the present invention.

Fig. 4 is a schematic view of the screw structure provided by the present invention.

In the figure, the arc-shaped splicing block 1, an inner extension shoulder 10, an outer surface 100, an outer extension shoulder 11, an inner surface 110, a threaded hole 12, a through nail hole 13, a screw 14 and an outer positioning step 15.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figures 1 and 2, the tile heat preservation cylinder for the single crystal furnace comprises a plurality of arc-shaped splicing blocks 1 which are equally divided in the circumference, and preferably, the arc-shaped splicing blocks 1 of the embodiment have six blocks.

The centers of the six arc-shaped splicing blocks 1 are overlapped.

As shown in FIG. 2, an inner extension shoulder 10 is respectively arranged on one side surface of each arc-shaped splicing block 1 along the axial direction of the arc-shaped splicing block 1, the arc-shaped splicing block 1 and the inner extension shoulder 10 are integrally formed, for example, the inner surface of the inner extension shoulder 10 is flush with the inner wall of the arc-shaped splicing block 1 in a pressing and integrating manner, so as to ensure the smoothness of the inner surface, the outer surface of the inner extension shoulder 10 and one side surface of the arc-shaped splicing block 1 provided with the inner extension shoulder 10 form an outer step, an outer extension shoulder 11 arranged along the axial direction of the arc-shaped splicing block 1 is arranged on the other side of each arc-shaped splicing block 1, the arc-shaped splicing block 1 and the extension shoulder 11 are integrally formed, the outer surface of the extension shoulder 11 is flush with the outer surface of the arc-shaped splicing block 1, the inner surface of the extension shoulder 11 and the side surface of the arc-shaped splicing block 1 provided with the extension shoulder 11 form an inner step, two adjacent arc-shaped splicing blocks 1 are spliced by the inner extension shoulder 10 and the extension shoulder 11, when two adjacent arc splice pieces 1 splice, interior extension shoulder strap 10 puts into interior step and supports and lean on to target in place, and outer step and support and lean on to target in place are put into to outer long shoulder strap 11 outward, realize sealing connection, simultaneously, can also improve the structural strength of junction.

The outer surface 100 of the inner elongate shoulder 10 and the inner surface 110 of the outer elongate shoulder 11 mate to further ensure a seal therebetween.

Preferably, the outer surface 100 of the inner extension shoulder 10 is an arc-shaped convex surface, and the inner surface 110 of the outer extension shoulder 11 is an arc-shaped concave surface, and the arc-shaped convex surface and the arc-shaped concave surface are matched. This structure can further ensure the sealing property.

And secondly, the thickness of the inner extension shoulder 10 and the thickness of the outer extension shoulder 11 are equal to the thickness of the arc-shaped splicing block 1. Avoiding collision and damage caused by protrusion.

As shown in fig. 2-3, the inner extension shoulder 10 and the outer extension shoulder 11 are fixed by a radial locking mechanism. Specifically, the radial locking mechanism of this embodiment includes a plurality of threaded holes 12 that are provided on the extension shoulder 10 and are evenly distributed at intervals, a plurality of through-nail holes 13 that correspond one-to-one with the threaded holes 12 are provided on the extension shoulder 11, a screw 14 is respectively inserted in each through-nail hole 13, and a thread section of the screw 14 extends into the threaded hole 12 and is in threaded connection with the threaded hole 12.

Further, the screw 14 is a slotted screw. Such as a straight slot screw, a cross slot screw, and the like. The screw 14 is connected with the threaded hole, and the screw falling phenomenon is avoided.

During the equipment, with six arc splice 1 vertical and utilize interior extension to take shoulder 10 and extension to take shoulder 11 to splice in advance, need correspond relative through-nail hole and screw hole this moment, finally insert through-nail hole and screw hole threaded connection with the screw, realize the equipment.

Also, the thickness of the inner extension shoulder 10 is equal to the thickness of the outer extension shoulder 11.

Furthermore, an avoidance hole is arranged at the outer hole opening of the through-bolt hole, and the cap end of the bolt 14 sinks into the avoidance hole, so that the interference phenomenon is avoided.

Arc chamfers are respectively arranged on the inner sides of two ends of each arc splicing block 1 to prevent sharp corners from colliding to cause larger damage gaps.

For the convenience of installation, as shown in fig. 4, an outer positioning step 15 is provided at the lower end of the outer surface of each arc-shaped splicing block 1 along the width direction of the arc-shaped splicing block 1.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A tile heat-insulating cylinder for a single crystal furnace is characterized by comprising a plurality of arc-shaped splicing blocks (1) which are equally divided into a circle, wherein one side surface of each arc-shaped splicing block (1) is respectively provided with an inner extension shoulder (10) which is distributed along the axial direction of the arc-shaped splicing block (1), the inner surface of the inner extension shoulder (10) is flush with the inner wall of the arc-shaped splicing block (1), the outer surface of the inner extension shoulder (10) and one side surface of the arc-shaped splicing block (1) provided with the inner extension shoulder (10) form an outer step, the other side of each arc-shaped splicing block (1) is provided with an outer extension shoulder (11) which is arranged along the axial direction of the arc-shaped splicing block (1), the outer surface of the outer extension shoulder (11) is flush with the outer surface of the arc-shaped splicing block (1), the inner surface of the outer extension shoulder (11) and the side surface of the arc-shaped splicing block (1) provided with the outer extension shoulder (11) form an inner step, two adjacent arc splicing blocks (1) are spliced through an inner extension shoulder (10) and an outer extension shoulder (11), the outer surface (100) of the inner extension shoulder (10) is matched with the inner surface (110) of the outer extension shoulder (11), and the inner extension shoulder (10) and the outer extension shoulder (11) are fixed through a radial locking mechanism.

2. The tile heat preservation cylinder for the single crystal furnace according to claim 1, characterized in that the outer surface (100) of the inner extension shoulder (10) is an arc-shaped convex surface, the inner surface (110) of the outer extension shoulder (11) is an arc-shaped concave surface, and the arc-shaped convex surface and the arc-shaped concave surface are matched.

3. The tile heat preservation cylinder for the single crystal furnace according to claim 1, characterized in that the thickness of the inner extension shoulder (10) and the thickness of the outer extension shoulder (11) are equal to the thickness of the arc-shaped splicing block (1).

4. The tile heat preservation cylinder for the single crystal furnace as claimed in claim 1, wherein the radial locking mechanism comprises a plurality of threaded holes (12) which are arranged on the inner extension shoulder (10) and are evenly distributed at intervals, a plurality of nail penetrating holes (13) which correspond to the threaded holes (12) in a one-to-one mode are arranged on the outer extension shoulder (11), a screw (14) is respectively arranged in each nail penetrating hole (13), and the thread section of each screw (14) extends into the threaded hole (12) and is in threaded connection with the threaded hole (12).

5. The tile heat preservation cylinder for the single crystal furnace according to claim 4, characterized in that the screws (14) are slotted screws.