Crucible shape holding device

Abstract

The utility model provides a crucible shape keeping device and relates to the technical field of production of synthetic quartz glass. The groove sinking furnace comprises the device, and the device comprises a supporting piece, one side of the supporting piece is a supporting side, and the supporting side can face the thin-wall crucible; the multiple supporting pieces are arranged in the circumferential direction of the thin-wall crucible and then jointly define a supporting structure used for keeping the shape of the thin-wall crucible. Any two adjacent supporting pieces are connected through the connecting pieces, and the connecting pieces can adjust the size of the supporting structure; and the material of the connecting piece and / or the supporting piece is consistent with that of the thin-wall crucible. When the supporting structure is fastened on the thin-wall crucible, the thin-wall crucible is supported, the non-deformability of the thin-wall crucible is enhanced, the thin-wall crucible is prevented from being deformed after being extruded by quartz glass, and therefore the purpose that the edge of a product sink is regular is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the production technical field of synthetic quartz glass, especially to a crucible shape keeping device. BACKGROUND

[0002] In the production and manufacturing process of synthetic quartz glass, cold processing and hot processing are used to change the size and shape of the blank to meet the specification requirements of the finished product. The hot processing process of changing the size and shape of the synthetic quartz glass blank after processing is called slot sinking process.

[0003] The main equipment of the slot sinking process is the slot sinking furnace. The slot sinking furnace is a commonly used quartz glass firing equipment, widely used in electronic, photoelectric, chemical and other industries, mainly used for reaction, sintering and melting under high temperature and high pressure. The working principle of the slot sinking furnace is to put the quartz glass blank into a molybdenum crucible, then add the required gas and chemical substances, and then heat it to the predetermined temperature and pressure, so that the reaction occurs and the synthetic quartz glass is formed.

[0004] The molybdenum crucible has the characteristic of thin wall, and the opening shape of the molybdenum crucible is circular, square and the like. The current slot sinking furnace has the following problems in the production process:

[0005] The thin-walled molybdenum crucible is easily deformed after being extruded by the quartz glass, the edge of the product is irregular after slot sinking, and subsequent processing is needed, resulting in large loss of raw materials. INVENTION CONTENTS

[0006] In view of the above problems, the utility model provides a kind of crucible shape keeping device, to solve the technical problems that the thin-walled molybdenum crucible is easily deformed after being extruded by the quartz glass, the edge of the product is irregular after slot sinking, and subsequent processing is needed, resulting in large loss of raw materials.

[0007] To achieve the above purpose, the utility model provides the following technical scheme:

[0008] The utility model provides a kind of crucible shape keeping device, comprising:

[0009] Supporting piece, one side is support side, support side can be towards thin-walled crucible;Multiple supporting pieces are set along the circumference of thin-walled crucible and jointly enclose the supporting structure for keeping the shape of thin-walled crucible;

[0010] Connecting piece, any two adjacent supporting pieces are connected by connecting piece, and connecting piece can adjust the size of supporting structure;

[0011] Among them, the material of connecting piece and / or supporting piece is consistent with the material of thin-walled crucible.

[0012] In some embodiments of the utility model, the material of the connecting piece and / or the supporting piece is molybdenum.

[0013] In some embodiments of the utility model, the supporting piece is arc-shaped.

[0014] In some embodiments of the utility model, the cross section of the supporting piece is U-shaped.

[0015] In some embodiments of the utility model, the crucible shape maintaining device further comprises a first reinforcing piece for enhancing the structural strength of the supporting piece.

[0016] In some embodiments of the utility model, a first connecting hole matching the cross section shape of the supporting piece is formed on the first reinforcing piece, and the first connecting hole penetrates the first reinforcing piece.

[0017] One side of the supporting piece is a side away from the supporting side, and the side away from the supporting side and the supporting side are oppositely arranged.

[0018] The first reinforcing piece is in contact with both the side away from the supporting side and the supporting side.

[0019] In some embodiments of the utility model, the material of the first reinforcing piece is molybdenum.

[0020] In some embodiments of the utility model, both ends of the supporting piece are provided with a plurality of first through holes for connecting with the connecting piece.

[0021] In some embodiments of the utility model, a second reinforcing piece is further provided, and a second connecting hole matching the cross section shape of the supporting piece is formed on the second reinforcing piece.

[0022] A second through hole is formed on the second reinforcing piece, and the second through hole penetrates the side away from the supporting side and the supporting side; the second through hole can be aligned with the first through hole.

[0023] In some embodiments of the utility model, the first reinforcing piece is connected only to the side away from the supporting side.

[0024] The utility model has at least the following advantages or beneficial effects:

[0025] In use, the supporting sides of the four supporting pieces are first attached to the outer wall of the thin-walled crucible to form a supporting structure, and then the connecting piece is used to reduce the distance between any two adjacent supporting pieces, thereby fastening the supporting structure on the thin-walled crucible and supporting the thin-walled crucible, enhancing the anti-deformation ability of the thin-walled crucible, so as to prevent the thin-walled crucible from deforming after being pressed by the quartz glass, thereby achieving the purpose of making the product groove edge regular.

[0026] Other features and advantages of the utility model will be described in the subsequent specification, and some of them will become apparent from the specification, or will be understood through the implementation of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the description of the embodiments will be briefly introduced. Obviously, the accompanying drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor.

[0028] Figure 1 Structure schematic view of the crucible shape maintaining device provided for Embodiment 1;

[0029] Figure 2 Structure schematic view of the crucible shape maintaining device provided for Embodiment 1; Figure 1 Structure schematic view of the crucible shape maintaining device provided for Embodiment 1;

[0030] Figure 3 Structure schematic view of the first reinforcing member provided for Embodiment 1;

[0031] Figure 4 Structure schematic view of the second reinforcing member provided for Embodiment 1;

[0032] Figure 5 Structure schematic view of the crucible shape maintaining device provided for Embodiment 3;

[0033] Figure 6 Structure schematic view of the crucible shape maintaining device provided for Embodiment 3; Figure 5 Structure schematic view of the crucible shape maintaining device provided for Embodiment 3;

[0034] Figure 7 Structure schematic view of the first reinforcing member provided for Embodiment 3;

[0035] Figure 8 Structure schematic view of the second reinforcing member provided for Embodiment 3.

[0036] Figure:

[0037] 1 - support, 11 - support side, 12 - facing away side, 13 - first through hole,

[0038] 2 - first reinforcing member, 21 - first connecting hole,

[0039] 3 - second reinforcing member, 31 - second connecting hole, 32 - second through hole. DETAILED DESCRIPTION

[0040] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present application.

[0041] In the description of the embodiments of the utility model, it is understood that the orientation or positional relationship indicated by the terms such as 'circumferential direction' is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as a limitation on the embodiments of the utility model.

[0042] In addition, the terms 'first' and'second' are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0043] The meaning of'several' is one or more than one, unless otherwise explicitly specified and limited.

[0044] In the embodiments of the utility model, unless otherwise explicitly specified and limited, the terms'mounting', 'connection', 'connection', 'fixing' and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements.

[0045] The embodiments of the utility model will be described in detail below. Embodiment 1

[0046] Referring to Figures 1-4 , the embodiment provides a slot furnace, which comprises a thin-walled crucible (not shown in the figure) and a crucible shape maintaining device, etc.

[0047] The crucible shape maintaining device comprises a supporting member and a connecting member.

[0048] One side of the supporting member is a supporting side, which can face the thin-walled crucible; the supporting member has a plurality of (such as four, Figure 1 only one is shown), the plurality of supporting members are arranged along the circumferential direction of the thin-walled crucible and jointly form a supporting structure for maintaining the shape of the thin-walled crucible.

[0049] Any two adjacent supporting members are connected through a connecting member (not shown in the figure, such as a rope), and the connecting member can adjust the distance between any two adjacent supporting members, so as to adjust the size of the supporting structure.

[0050] In use, the support sides of the four support members are first attached to the outer wall of the thin-walled crucible to form a support structure, and then the connecting member is used to reduce the distance between any two adjacent support members, thereby fastening the support structure to the thin-walled crucible and supporting the thin-walled crucible, so as to enhance the deformation resistance of the thin-walled crucible and prevent the thin-walled crucible from being deformed after being pressed by the quartz glass, thereby achieving the purpose of making the edges of the product tank regular.

[0051] In order to facilitate the connection between the connecting member and the support member, the two ends of the support member are provided with a plurality of first through holes for connecting with the connecting member. The connecting member can pass through the first through holes on any two adjacent support members, thereby connecting the two support members; by changing the length of the connecting member between the two first through holes, the distance between the two support members can be adjusted, thereby adjusting the size of the support structure.

[0052] In the embodiment, preferably, the thin-walled crucible is a molybdenum crucible (made of molybdenum); the support member is arc-shaped to adapt to the circular thin-walled crucible; the cross section of the support member is U-shaped to enhance the deformation resistance of the support member; the material of the connecting member and / or the support member is consistent with that of the thin-walled crucible to prevent the introduction of impurities.

[0053] Further, the crucible shape maintaining device further comprises a first reinforcing member, the first reinforcing member is provided with a first connecting hole matched with the cross-sectional shape of the support member, and the first connecting hole penetrates the first reinforcing member; the first reinforcing member is sleeved on the support member through the first connecting hole, and is welded and fixed after the position of the first reinforcing member is adjusted.

[0054] One side of the support member is a side away from the support side, and the side away from the support side and the support side are oppositely arranged; in the foregoing scheme, the first reinforcing member is in contact with both the side away from the support side and the support side, and can provide good support to the support member.

[0055] Further, the crucible shape maintaining device further comprises a second reinforcing member, the second reinforcing member is provided with a second connecting hole matched with the cross-sectional shape of the support member, and the second connecting hole does not penetrate the second reinforcing member; the second reinforcing member is sleeved on the end of the support member through the second connecting hole, and is welded and fixed after the position of the second reinforcing member is adjusted. The second reinforcing member is provided with a second through hole, the second through hole penetrates the side away from the support side and the support side, and the second through hole is aligned with the first through hole.

[0056] After the second reinforcing member is sleeved on the end of the support member and the position of the second reinforcing member is adjusted to align the second through hole with the first through hole, the second reinforcing member is welded and fixed, and the connecting member is passed through the second through hole and the first through hole, so that the connecting member and the support member are connected, and the structural strength of the end of the support member is enhanced by the second reinforcing member at the same time, thereby preventing cracks from occurring at the first through hole.

[0057] The material of the first and second reinforcing members is molybdenum. Embodiment 2

[0058] Referring to Figure 1 Different from Embodiment 1, in this embodiment, the support member is in the shape of a straight strip to adapt to the square thin-walled crucible. Embodiment 3

[0059] Referring to Figures 1-8 Different from Embodiment 1, in this embodiment, the cross section of the first and / or second reinforcing member is in the shape of U, and the first reinforcing member is connected only at the side facing away, so that the support side can be directly in contact with the thin-walled crucible and the two have a larger contact area.

[0060] In combination with the foregoing, in this embodiment, the contact area of the support member with the thin-walled crucible is increased, and the structural strength of the support member itself is enhanced to ensure the supportability of the crucible shape maintaining device; in Embodiment 1, the supportability of the crucible shape maintaining device is ensured by more focusing on enhancing the structural strength of the support member itself.

[0061] Finally, it should be noted that: the above is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various changes and variations, and in the case of no conflict, the embodiments of the present application and the features in the embodiments can be arbitrarily combined with each other. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A crucible shape retaining device characterized by comprising: The application relates to a thin-wall crucible shape-keeping device. The support member has a support side which can face the thin-wall crucible. A plurality of the support members are arranged along the circumference of the thin-wall crucible to jointly form a support structure for keeping the shape of the thin-wall crucible. A connecting member is arranged between any two adjacent support members to adjust the size of the support structure. The material of the connecting member and / or the support member is consistent with that of the thin-wall crucible.

2. The crucible shape maintaining device according to claim 1, characterized by The material of the connecting member and / or the support member is molybdenum.

3. The crucible shape maintaining apparatus according to claim 1, characterized by The support member is in an arc shape.

4. The crucible shape maintaining apparatus according to claim 1, characterized by The cross section of the support member is in a U shape.

5. The crucible shape maintaining apparatus according to claim 1, characterized by The crucible shape-keeping device further comprises a first reinforcing member for enhancing the structural strength of the support member.

6. The crucible shape maintaining apparatus according to claim 5, characterized by The first reinforcing member is provided with a first connecting hole which matches the cross section shape of the support member and penetrates the first reinforcing member. The support member has a side which faces away from the thin-wall crucible. The first reinforcing member is in contact with the side which faces away from the thin-wall crucible and the support side.

7. The crucible shape maintaining apparatus according to claim 6, characterized by The material of the first reinforcing member is molybdenum.

8. The crucible shape maintaining apparatus according to claim 6, characterized by The two ends of the support member are provided with a plurality of first through holes for connecting with the connecting member.

9. The crucible shape maintaining device according to claim 8, characterized by The first reinforcing member is connected to the side which faces away from the thin-wall crucible. The second reinforcing member is provided with a second connecting hole which matches the cross section shape of the support member.

10. The crucible shape maintaining apparatus according to claim 5, characterized by The second reinforcing member is provided with a second through hole which penetrates the side which faces away from the thin-wall crucible and the support side. The second through hole can be aligned with the first through hole. The side of the support member which faces away from the thin-wall crucible is provided with the first reinforcing member.

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