CN114195366A - Production device and method for expanding quartz tube - Google Patents
Production device and method for expanding quartz tube Download PDFInfo
- Publication number
- CN114195366A CN114195366A CN202111484269.8A CN202111484269A CN114195366A CN 114195366 A CN114195366 A CN 114195366A CN 202111484269 A CN202111484269 A CN 202111484269A CN 114195366 A CN114195366 A CN 114195366A
- Authority
- CN
- China
- Prior art keywords
- tube
- quartz tube
- glass
- fixing
- guide rail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B20/00—Processes specially adapted for the production of quartz or fused silica articles, not otherwise provided for
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The invention provides a production device and a method for expanding a quartz tube, wherein the production device comprises: an outer melting unit, an inner melting unit and a connecting rod; the outer melting unit is used for melting the outer side of the quartz tube to expand the tube diameter; the inner melting unit is used for melting the inner side of the quartz tube and assisting the outer melting unit in expanding the tube diameter; the connecting rod is used for connecting the inner and outer melting units to ensure that the inner and outer melting units move synchronously, and the production method adopts inner and outer heating expanding treatment. By the device and the method, the defects of scratching and inner repairing marks of the inner wall of the existing product can be overcome, the quality of the expanded pipe is improved, and the subsequent repair processing cost is saved.
Description
Technical Field
The invention relates to the field of quartz glass production, in particular to a quartz tube expanding production device and a quartz tube expanding production method.
Background
The large-diameter quartz glass tube (150-800mm outer diameter) has important application in the fields of semiconductors, photovoltaics, chemical engineering and the like. At present, two production modes of large-diameter quartz tubes (150-; the other method is fusion expansion, different quartz tubes are placed on a glass lathe to rotate at high speed, an oxyhydrogen flame blowtorch is arranged on the outer side of each quartz tube, the quartz tubes are heated to a semi-molten state, and the diameters of the quartz tubes are gradually enlarged under the action of centrifugal force.
The production method of the melt-blown process can produce the pipe with any specification according to the requirement, the process heats the outer side of the quartz tube, and for the large-diameter quartz tube with larger wall thickness (the pipe with the wall thickness larger than 10mm), the heating efficiency is low, the melt state of the quartz tube is not uniform, the production can not be met temporarily, even if the large-diameter quartz tube is blown repeatedly for many times, the wall thickness can reach a certain thickness, but the outer side of the processed quartz tube has the defects of corrugation, twist and the like, the inner wall of the pipe also has the defects of scratch, inner repair mark and the like, and the blowing cost is very high due to the fact that a large amount of hydrogen and oxygen energy sources are consumed in the blowing process for many times; therefore, how to solve the problem of expanding the large-diameter quartz tube with the wall thickness larger than 10mm, and simultaneously eliminate the defects inside and outside the tube and improve the expanding efficiency becomes the problem to be solved urgently at present.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a production device and a production method for expanding a quartz tube, which can flexibly cope with the defects of large-caliber thick-wall quartz tubes with various specifications, the defects of inner wall scratches, inner repair marks and the like of the existing products, improve the quality of the expanded tube and save the subsequent repair processing cost.
In a first aspect of the present invention, there is provided a production apparatus for expanding a quartz tube, comprising: an outer melting unit, an inner melting unit and a connecting rod; wherein the content of the first and second substances,
the outer melting unit is used for melting the outer side of the quartz tube to expand the tube diameter;
the inner melting unit is used for melting the inner side of the quartz tube and assisting the outer melting unit in expanding the tube diameter; the inner melting unit includes: a built-in blast lamp, a glass lamp tube, a glass tube and a movable bracket; wherein the content of the first and second substances,
the built-in blowtorch is a glass blowtorch and is used for melting the inner side of the quartz tube;
one end of the glass lamp tube is connected with the built-in blast lamp through a universal hose; the other end of the glass lamp tube penetrates through the glass tube to be connected with an air source;
the movable support comprises a fixed part and a movable part: the fixed part is connected with the movable part in a sliding way and is used for supporting and fixing the glass tube; the moving part is in sliding contact with the ground through a caster and is used for moving the internal melting unit and sending the internal blast lamp into the quartz tube;
the connecting rod is used for connecting the inner melting unit and the outer melting unit and ensuring that the inner melting unit and the outer melting unit move synchronously.
Further, the outer melting unit includes: the device comprises a lathe, a lathe head, a lathe tail, a middle support and an external blast burner; wherein the content of the first and second substances,
the two ends of the lathe are provided with a bed head and a bed tail which are used for fixing the quartz tube;
the middle support is arranged in a sliding track arranged on the lathe and used for driving the inner melting unit to move;
the external blowtorch is arranged on the middle support and used for melting the outer side of the quartz tube.
Furthermore, the glass lamp tube consists of two glass round tubes, wherein one glass round tube is connected with a hydrogen source, and the other glass round tube is connected with an oxygen source.
Furthermore, the fixing part comprises a lifting column, a fixing support and a fixing bracket; wherein the content of the first and second substances,
the upper end of the lifting column is fixedly connected with the bottom of the fixed support; the lower end of the lifting column is connected with the moving part in a sliding way; the fixing support is used for supporting the glass tube; one or more fixing supports are arranged and are dispersedly fixed on the fixing support and used for fixing the glass tube.
Further, the moving part includes: the device comprises an upper guide rail, a lower guide rail, a guide rail bracket and a frame; wherein the content of the first and second substances,
the upper guide rail is connected with the lower end of the lifting column in a sliding manner; the upper end of the guide rail bracket is fixedly provided with an upper guide rail, and the lower end of the guide rail bracket is connected with a lower guide rail in a sliding manner; the upper part of the frame is fixedly provided with a lower guide rail, and the lower part of the frame is provided with a caster which is in sliding contact with the ground.
Furthermore, one end of the connecting rod is fixedly connected with the external blast burner, and the other end of the connecting rod penetrates through the bed tail and is fixed on the upper guide rail.
Furthermore, the production device also comprises a level bar; the level is arranged on the lower guide rail.
Furthermore, the production device is suitable for producing the quartz tube with the diameter of 150-800mm and the wall thickness of more than 10 mm.
In a second aspect of the present invention, a method for producing a quartz tube is provided. The method comprises the following steps: the internal and external heating expanding treatment is that the internal and external side walls of the quartz tube are synchronously heated by using an internal blowtorch and an external blowtorch, the glass tube is driven to rotate at a constant speed by the bed head and the bed tail, and the internal and external blowtorches and the central axis of the quartz tube move at a constant speed in parallel and synchronously by the middle support, so that the integral expanding production of the quartz tube is carried out.
Further, before the internal and external heating and expanding treatment, fixing a quartz tube; the position of the external blowtorch is fixed by adjusting the middle support; placing a glass lamp tube with an internal blowtorch in the quartz tube through a movable support, ensuring that an internal sprayer and an external sprayer are positioned on the same cross section of the quartz tube, and fixing the glass tube by using a fixed support; the vertical distance from the internal blowtorch to the inner wall of the quartz tube is equal to the vertical distance from the external blowtorch to the outer wall of the quartz tube by adjusting the lifting column; fixing one end of a connecting rod to the middle support, and fixing the other end of the connecting rod to the movable support; the glass lamp tube, the quartz tube and the connecting rod are ensured to be parallel to the ground horizontal direction through the level ruler on the lower guide rail.
According to the quartz tube expanding production device and the method provided by the embodiment of the invention, before expanding production, two ends of a quartz tube to be expanded are spliced with a tail tube, wherein a first tail tube is fixed on a bed head, and a second tail tube is fixed on a bed tail; determining the vertical distance from an external blast burner contained in the middle support to the outer side of the quartz tube according to the expanded diameter of the quartz tube; adjusting the position of the middle support to enable the external blast burner to be arranged at one end of the quartz tube close to the bed head; moving the movable support to the bed tail, inserting the glass tube with the built-in blast burner into the quartz tube through the tail tube II, and fixing the glass tube by using the fixed support when the built-in blast burner and the external blast burner are positioned on the same cross section of the quartz tube; adjusting the vertical distance from the internal blowtorch to the inner side of the quartz tube to be equal to the vertical distance from the external blowtorch to the outer side of the quartz tube through the lifting column; at the moment, one end of the connecting rod is fixed on the middle support, and the other end of the connecting rod penetrates through the bed tail and is fixed on an upper guide rail of the movable support; the glass lamp tube with the built-in blowtorch, the quartz tube, the connecting rod and the ground are ensured to be horizontally parallel through the level ruler on the lower guide rail; when expanding production, the head of a bed and the tailstock can rotate the tail pipe, drive the quartz capsule to rotate and generate centrifugal force, simultaneously open the inner blowtorch and the outer blowtorch, evenly heat the inner wall and the outer wall of the quartz capsule, the middle support moves horizontally towards the tailstock at a constant speed, the connecting rod drives the movable support to synchronously move, keep away from the horizontal movement of the tailstock, horizontally and synchronously move the built-in blowtorch to the other end from one end of the quartz capsule, the quartz capsule is heated and melted integrally on the inner wall and the outer wall, and the expansion of the quartz capsule is completed under the action of the centrifugal force.
By adopting the technical scheme of the invention, the size of the large-caliber thick-wall (the diameter is 150-; the quartz tube inner wall and the quartz tube outer wall can be heated simultaneously, the quartz tube can quickly reach a softening and melting state, a thick-wall (the wall thickness is more than 10mm) tube can be fully melted, the expansion of the thick-wall quartz tube can be met, the centrifugal effect of a lathe is increased, the advancing speed of the lathe is greatly increased, the expansion efficiency of the quartz tube is finally improved, the production efficiency is improved by 150%, energy is saved, and the processing cost is reduced; and the defects of scratches, repair marks and the like on the inner wall of the quartz tube are eliminated after being heated and melted at high temperature due to the heating and melting of the inner wall of the quartz tube, so that the processing quality of the quartz tube expansion is improved, and the subsequent repair cost is saved.
It should be understood that the statements herein reciting aspects are not intended to limit the critical or essential features of any embodiment of the invention, nor are they intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
The above and other features, advantages and aspects of various embodiments of the present invention will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. In the drawings, like or similar reference characters designate like or similar elements, and wherein:
FIG. 1 is a schematic structural view of a quartz tube expansion production apparatus of the present invention;
FIG. 2 is a schematic top view of the apparatus for manufacturing a quartz tube according to the present invention;
FIG. 3 is a schematic side view of a movable support in the apparatus for manufacturing a quartz tube according to the present invention;
wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:
the device comprises a built-in blast burner 1, an external blast burner 2, a glass lamp tube 3, a glass tube 4, a movable support 5, a lifting column 51, a fixed support 52, a fixed support 53, an upper guide rail 54, a lower guide rail 55, a guide rail support 56, a frame 57, casters 58, a quartz tube 6, a first tail tube 71, a second tail tube 72, a bed head 81, a bed tail 82, a middle support 9 and a connecting rod 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The invention provides a production device and a production method for expanding a quartz tube, which can flexibly cope with expanding large-caliber thick-wall (the diameter is 150-800mm, the wall thickness is more than 10mm) quartz tubes of various specifications, improve the defects of inner wall scratch, inner repair mark and the like of the existing product, improve the quality of the expanded tube and save the subsequent repair processing cost.
In the following, referring to fig. 1 to 3, a first aspect of the present invention is described, and a production apparatus for expanding a quartz tube is provided. The device comprises: an outer melting unit, an inner melting unit, and a connecting rod 10; wherein the content of the first and second substances,
an outer melting unit for melting the outer side of the quartz tube 6 to perform tube diameter expansion;
the inner melting unit is used for melting the inner side of the quartz tube 6 and assisting the outer melting unit to expand the tube diameter; the inner melting unit includes: the built-in blast lamp 1, the glass lamp tube 3, the glass tube 4 and the movable bracket 5; wherein the content of the first and second substances,
the built-in blast burner 1 is a glass blast burner and is used for melting the inner side of the quartz tube 6;
one end of the glass lamp tube 3 is connected with the built-in blast lamp 1 through a universal hose; the other end of the glass lamp tube 3 passes through the glass tube 4 and is connected with an air source;
the movable bracket 5 includes a fixed portion and a movable portion: the fixed part is connected with the movable part in a sliding way and is used for supporting and fixing the glass tube 4; the moving part is in sliding contact with the floor through casters 58, and moves the internal melting unit to feed the built-in torch 1 into the quartz tube 6.
The connecting rod 10 is used for connecting the inner melting unit and the outer melting unit, and ensures that the inner melting unit and the outer melting unit move synchronously.
In the device, the inner melting unit mainly melts the inner side wall of the quartz tube and is matched with the melting of the outer side wall, so that the whole quartz tube wall can more uniformly and quickly meet the expanding requirement; the built-in blast lamp is connected with the glass lamp tube through the universal hose, so that the position of the built-in blast lamp can be conveniently adjusted; the gas source connected with the glass lamp tube can be a hydrogen and oxygen gas source, and other gas sources can be connected according to actual needs.
In the above embodiment, the outer melting unit includes: the device comprises a lathe, a head 81, a tail 82, a middle support 9 and an external blast burner 2; wherein the content of the first and second substances,
a bed head 81 and a bed tail 82 are arranged at the two ends of the lathe and used for fixing the quartz tube 6;
the middle support 9 is arranged in a sliding track arranged on the lathe and used for driving the inner melting unit to move;
the external torch 2 is mounted on the middle holder 9 for melting the outside of the quartz tube 6.
Before the device works, a first tail pipe and a second tail pipe are spliced at two ends of a quartz pipe and are respectively fixed at the head of a bed and the tail of the bed; determining the vertical distance from the external blowtorch to the outer wall of the quartz tube according to the expanded diameter of the quartz tube, so as to adjust the position of the external blowtorch in the middle support; during operation, centrifugal force is generated by the rotation of the head and the tail of the bed; and starting an external blowtorch to melt the outer wall of the quartz tube, and realizing tube expansion operation under the action of centrifugal force.
In the above embodiment, the glass lamp tube 3 is composed of two glass round tubes, one glass round tube is connected to the hydrogen source, and the other glass round tube is connected to the oxygen source. In operation, the combustion is combined at the built-in torch. And only one glass round tube can be adopted according to the technical requirement. The thickness of each glass circular tube wall is less than 2mm, and the requirement of the wall thickness is to reduce the self weight of the glass lamp tube and reduce the deviation of the position of the built-in blast lamp caused by the sagging of the glass lamp tube under the action of gravity.
In the above embodiment, the fixing portion includes the lifting column 51, the fixing bracket 52, the fixing bracket 53; wherein the content of the first and second substances,
the upper end of the lifting column 51 is fixedly connected with the bottom of the fixed support 52; the lower end of the lifting column 51 is connected with the moving part in a sliding way; the fixing holder 52 for supporting the glass tube 4; one or more fixing brackets 53 are provided, and are dispersedly fixed on the fixing bracket 52, for fixing the glass tube 4.
In the device, a plurality of lifting columns can be arranged on the upper guide rail at intervals horizontally and used for adjusting the vertical position of the built-in blast lamp and stably supporting the fixing support; the length of the fixing support can be selected according to the actual situation; the glass tube fixing device is provided with a plurality of fixing supports, so that the glass tube can be fixed conveniently, the fixing supports can be opened and closed automatically, and the glass tube can be taken out and installed timely.
In the above embodiment, the moving portion includes: an upper rail 54, a lower rail 55, a rail bracket 56, a frame 57; wherein the content of the first and second substances,
the upper guide rail 54 is connected with the lower end of the lifting column 51 in a sliding way; the upper end of the guide rail bracket 56 is fixedly provided with an upper guide rail 54, and the lower end is connected with a lower guide rail 55 in a sliding way; the upper part of the frame 57 is fixedly provided with a lower guide rail 55, and the lower part of the frame 57 is provided with a caster 58 which is in sliding contact with the ground.
In this arrangement, the frame can be ground moved by casters 58, such as Fowler wheels; each group of guide rail bracket and the frame form an isosceles triangle or other centrosymmetric shape on a vertical plane, and play a role in stable support. When the longitudinal section is an isosceles triangle, the upper guide rails are positioned at the center of the upper part, such as the top point, and the two groups of lower guide rails are positioned at the two sides of the frame, such as the two base angles.
In the above embodiment, one end of the connecting rod 10 is fixedly connected to the external blowtorch 2, and the other end thereof passes through the bed tail 82 and is fixed on the upper rail 54. The connecting rod is connected with an external blast lamp through a universal hose; the setting of connecting rod has guaranteed that the removal of inside and outside blowtorch is synchronous, makes the heating and melting of quartz tube wall even, and the centrifugal force effect through the lathe makes the quartz tube expand system even, eliminates inside and outside defect simultaneously.
In the above embodiment, the production apparatus further comprises a level; the level is mounted on the lower rail 55. So as to ensure that the glass tube, the quartz tube, the connecting rod and the ground are parallel in the horizontal direction.
In the above embodiment, when a built-in torch is provided, as shown in fig. 1, the glass lamp tube and the quartz tube may be concentrically arranged, and the vertical distance from the built-in torch to the inside of the quartz tube is adjusted by the universal hose; the glass lamp tube can also be adjusted by moving the lifting column of the bracket, so that the vertical distance from the built-in blast lamp to the inside of the quartz tube is adjusted; when a plurality of built-in blowlamps are arranged, the glass lamp tube is used as the center of a circle, namely the central axis of the quartz tube is used as the center, the built-in blowlamps are uniformly distributed on the same cross section of the quartz tube in a radiation manner, and the vertical distance from the built-in blowlamps to the inside of the quartz tube is adjusted in the direction through the universal hose. In addition, the number of the external blowlamps can be increased or decreased according to the actual situation by matching with the number of the internal blowlamps. The number of internal and external blowtorch is increased, thereby improving the melting speed and increasing the production efficiency.
In the above embodiment, the material of the built-in torch may be a glass torch, or may be other materials; the internal and external blowtorch can be one of a plasma blowtorch, a oxyhydrogen flame blowtorch or a laser.
In the above embodiment, the production device is suitable for producing the quartz tube with the diameter of 150 and 800mm and the wall thickness of more than 10 mm.
In a second aspect of the present invention, described with reference to fig. 1 to 3, a method for producing a quartz tube is provided. The method comprises the following steps:
before the internal and external heating and expanding treatment, the quartz tube 6 is fixed on the head 81 and the tail 82 of the bed; the position of the external blowtorch 2 is fixed by adjusting the middle support 9; the glass lamp tube 3 with the built-in blowtorch 1 is arranged inside the quartz tube 6 through the movable bracket 5, the built-in sprayer 1 and the external sprayer 2 are ensured to be positioned on the same cross section of the quartz tube 6, and the glass tube 4 is fixed by the fixed bracket 53; the vertical distance from the internal blast burner 1 to the inner wall of the quartz tube 6 is equal to the vertical distance from the external blast burner 2 to the outer wall of the quartz tube 6 by adjusting the lifting column 51; fixing one end of a connecting rod 10 on the middle support 9 and one end of the connecting rod on the movable bracket 5; the glass lamp tube 3, the quartz tube 6 and the connecting rod 10 are ensured to be parallel to the horizontal direction of the ground through the level ruler on the lower guide rail 55.
When heating and expanding treatment is carried out, the internal and external walls of the quartz tube 6 are synchronously heated by the internal blowtorch 1 and the external blowtorch 2, the glass tube 6 is driven to rotate at a constant speed through the bed head 81 and the bed tail 82, the internal and external blowtorches and the central axis of the quartz tube 6 move at a constant speed in parallel and synchronously through the middle support 9, and integral expanding production of the glass tube 6 is carried out.
According to the quartz tube expanding production device and the method provided by the embodiment of the invention, before expanding production, tail pipes are spliced at two ends of a quartz tube 6 to be expanded, a first tail pipe 71 is fixed on a bed head 81, and a second tail pipe 72 is fixed on a bed tail 82; according to the expanded diameter of the quartz tube 6, determining the vertical distance from the external blast burner 2 contained in the middle support 9 to the outer side of the quartz tube 6; adjusting the position of the middle support 9 to enable the external blast burner 2 to be arranged at one end of the quartz tube 6 close to the bed head 81; moving the movable support 5 to the bed tail 82, inserting the glass tube 4 with the built-in torch 1 into the quartz tube 6 through the tail tube II 72, and fixing the glass tube 4 by using the fixed support 53 when the built-in torch 1 and the external torch 2 are positioned on the same cross section of the quartz tube 6; the vertical distance from the internal blowtorch 1 to the inner side of the quartz tube 6 is adjusted to be equal to the vertical distance from the external blowtorch 2 to the outer side of the quartz tube 6 through the lifting column 51; at the moment, one end of the connecting rod 10 is fixed on the middle support 9, and the other end of the connecting rod passes through the bed tail 82 and is fixed on the upper guide rail 54 of the movable bracket 5; the glass lamp tube 3 with the built-in blast burner 1, the quartz tube 6, the connecting rod 10 and the ground are ensured to be parallel horizontally through a horizontal ruler on the lower guide rail 55; when expanding production, the head 81 and the tail 82 can rotate the tail pipe to drive the quartz tube 6 to rotate to generate centrifugal force, the inner blowtorch and the outer blowtorch are simultaneously turned on to uniformly heat the inner wall and the outer wall of the quartz tube 6, the middle support 9 horizontally moves towards the tail of the bed at a constant speed, the connecting rod 10 drives the movable support 5 to synchronously move to keep away from the horizontal movement of the tail 82, the built-in blowtorch is horizontally and synchronously moved to the other end from one end of the quartz tube 6 at a constant speed, the quartz tube 6 is heated and melted integrally on the inner wall and the outer wall, and the expansion of the quartz tube is completed under the action of the centrifugal force.
According to the embodiment of the invention, the following technical effects can be achieved: the size of the quartz tube with large caliber and thick wall (the diameter is 150-; the quartz tube inner wall and the quartz tube outer wall can be heated simultaneously, the quartz tube can quickly reach a softening and melting state, a thick-wall (the wall thickness is more than 10mm) tube can be fully melted, the expansion of the thick-wall quartz tube can be met, the centrifugal effect of a lathe is increased, the advancing speed of the lathe is greatly increased, the expansion efficiency of the quartz tube is finally improved, the production efficiency is improved by 150%, energy is saved, and the processing cost is reduced; and the defects of scratches, repair marks and the like on the inner wall of the quartz tube are eliminated after being heated and melted at high temperature due to the heating and melting of the inner wall of the quartz tube, so that the processing quality of the quartz tube expansion is improved, and the subsequent repair cost is saved.
In the description of the present invention, the terms "connect", "mount", "fix", and the like are used in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is merely a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A production device for expanding a quartz tube is characterized by comprising: an outer melting unit, an inner melting unit and a connecting rod; wherein the content of the first and second substances,
the outer melting unit is used for melting the outer side of the quartz tube to expand the tube diameter;
the inner melting unit is used for melting the inner side of the quartz tube and assisting the outer melting unit in tube diameter expansion; the inner melting unit includes: a built-in blast lamp, a glass lamp tube, a glass tube and a movable bracket; wherein the content of the first and second substances,
the built-in blast burner is a glass blast burner and is used for melting the inner side of the quartz tube;
one end of the glass lamp tube is connected with the built-in blast lamp through a universal hose; the other end of the glass lamp tube penetrates through the glass tube and is connected with an air source;
the movable support comprises a fixed part and a movable part: the fixed part is connected with the movable part in a sliding way and is used for supporting and fixing the glass tube; the moving part is in sliding contact with the ground through a caster and is used for moving the inner melting unit and sending the built-in blast lamp into the quartz tube;
the connecting rod is used for connecting the inner melting unit and the outer melting unit and ensuring that the inner melting unit and the outer melting unit synchronously move.
2. The quartz tube expanded production apparatus according to claim 1, wherein the outer fusion unit includes: the device comprises a lathe, a lathe head, a lathe tail, a middle support and an external blast burner; wherein the content of the first and second substances,
the bed head and the bed tail are arranged at two ends of the lathe and used for fixing the quartz tube;
the middle support is arranged in a sliding rail arranged on the lathe and used for driving the inner melting unit to move;
the external blast burner is arranged on the middle support and used for melting the outer side of the quartz tube.
3. The quartz tube expansion production device according to claim 1, wherein the glass lamp tube is composed of two glass round tubes, one glass round tube is connected to a hydrogen source, and the other glass round tube is connected to an oxygen source.
4. The quartz tube expansion production device according to claim 2, wherein the fixing portion comprises a lifting column, a fixing bracket, and a fixing support; wherein the content of the first and second substances,
the upper end of the lifting column is fixedly connected with the bottom of the fixing support; the lower end of the lifting column is connected with the moving part in a sliding manner; the fixing bracket is used for supporting the glass tube; the fixing supports are arranged one or more, are dispersedly fixed on the fixing supports and are used for fixing the glass tubes.
5. The quartz tube expanded production apparatus according to claim 4, wherein the moving portion includes: the device comprises an upper guide rail, a lower guide rail, a guide rail bracket and a frame; wherein the content of the first and second substances,
the upper guide rail is connected with the lower end of the lifting column in a sliding manner; the upper end of the guide rail bracket is fixedly provided with the upper guide rail, and the lower end of the guide rail bracket is connected with the lower guide rail in a sliding manner; the upper portion of the frame is fixedly provided with the lower guide rail, and the lower portion of the frame is provided with the caster which is in sliding contact with the ground.
6. The quartz tube expanding production device as claimed in claim 5, wherein one end of the connecting rod is fixedly connected with the external blowtorch, and the other end of the connecting rod passes through the tailstock and is fixed on the upper guide rail.
7. The quartz tube expanding production device according to claim 5, further comprising a level; the level is installed on the lower guide rail.
8. The quartz expanding production device as claimed in claim 1, wherein the production device is suitable for producing quartz tubes with a diameter of 150 and 800mm and a wall thickness of more than 10 mm.
9. A production method using the production apparatus expanded from the quartz tube according to claim 6 or 7, comprising: the internal and external heating expanding treatment is that the internal blowtorch and the external blowtorch synchronously heat the inner and outer side walls of the quartz tube, the glass tube is driven by the bed head and the bed tail to rotate at a uniform speed, and the internal and external blowtorches and the central axis of the quartz tube parallelly and synchronously move at a uniform speed through the middle support, so that the integral expanding production of the quartz tube is carried out.
10. The method for manufacturing an expanded quartz tube manufacturing apparatus according to claim 9, wherein the quartz tube is fixed before the inside-outside heating expansion process; the position of the external blowtorch is fixed by adjusting the middle support; placing the glass lamp tube with the built-in blowtorch in the quartz tube through the movable support, ensuring that the built-in sprayer and the external sprayer are positioned on the same cross section of the quartz tube, and fixing the glass tube by the fixed support; adjusting a lifting column to enable the vertical distance from the built-in blast burner to the inner wall of the quartz tube to be equal to the vertical distance from the external blast burner to the outer wall of the quartz tube; fixing one end of the connecting rod to the middle support, and fixing one end of the connecting rod to the movable bracket; and the glass lamp tube, the quartz tube and the connecting rod are ensured to be parallel to the horizontal direction of the ground through the level ruler on the lower guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111484269.8A CN114195366A (en) | 2021-12-07 | 2021-12-07 | Production device and method for expanding quartz tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111484269.8A CN114195366A (en) | 2021-12-07 | 2021-12-07 | Production device and method for expanding quartz tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114195366A true CN114195366A (en) | 2022-03-18 |
Family
ID=80650983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111484269.8A Pending CN114195366A (en) | 2021-12-07 | 2021-12-07 | Production device and method for expanding quartz tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114195366A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001151523A (en) * | 1999-11-26 | 2001-06-05 | Tokuyama Toshiba Ceramics Co Ltd | Forming method for quartz glass pipe |
| CN102219362A (en) * | 2011-05-11 | 2011-10-19 | 苏州凯西石英电子有限公司 | Manufacturing method for major-diameter quartz tube |
| CN206438039U (en) * | 2017-02-10 | 2017-08-25 | 锦州新世纪石英玻璃有限公司 | Heavy caliber quartz ampoule expander process units for lamp work lathe |
| CN207552165U (en) * | 2017-12-07 | 2018-06-29 | 苏州安融石英有限公司 | A kind of quartz ampoule pipe expander |
| CN212315927U (en) * | 2020-09-16 | 2021-01-08 | 久智光电子材料科技有限公司 | Blast burner and polishing device in quartz tube |
-
2021
- 2021-12-07 CN CN202111484269.8A patent/CN114195366A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001151523A (en) * | 1999-11-26 | 2001-06-05 | Tokuyama Toshiba Ceramics Co Ltd | Forming method for quartz glass pipe |
| CN102219362A (en) * | 2011-05-11 | 2011-10-19 | 苏州凯西石英电子有限公司 | Manufacturing method for major-diameter quartz tube |
| CN206438039U (en) * | 2017-02-10 | 2017-08-25 | 锦州新世纪石英玻璃有限公司 | Heavy caliber quartz ampoule expander process units for lamp work lathe |
| CN207552165U (en) * | 2017-12-07 | 2018-06-29 | 苏州安融石英有限公司 | A kind of quartz ampoule pipe expander |
| CN212315927U (en) * | 2020-09-16 | 2021-01-08 | 久智光电子材料科技有限公司 | Blast burner and polishing device in quartz tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2251310B1 (en) | Methods and systems for forming continuous glass sheets | |
| RU99122756A (en) | DEVICE AND METHOD FOR APPLYING THE OUTER SHELL ON THE OPTICAL FIBER BAR AND METHOD OF OPTICAL FIBER DRAWING | |
| KR100608980B1 (en) | Glass rod manufacturing method and glass rod manufacturing apparatus | |
| CN109516686B (en) | VAD sintered optical fiber preform mother rod stretching device and method | |
| CN107354285A (en) | A kind of axletree class tubing member weld seam destressing device and method for removing stress | |
| JP2837540B2 (en) | Glass sheet transfer bending machine | |
| CN216946732U (en) | Production device for expanding quartz tube | |
| CN114195366A (en) | Production device and method for expanding quartz tube | |
| CN211111720U (en) | Loose body deposition device and OVD process equipment | |
| CN212655690U (en) | Glass tube shaping machine tool | |
| CN212315927U (en) | Blast burner and polishing device in quartz tube | |
| CN105057888A (en) | Laser welding system for finned tube | |
| CN208136074U (en) | A kind of quartz ampoule flange welding device | |
| CN115533437B (en) | Circular seam welding device for pipe fitting | |
| CN111439922A (en) | Glass tube shaping machine tool | |
| CN216191888U (en) | Precision glass tube forming equipment | |
| CN206438039U (en) | Heavy caliber quartz ampoule expander process units for lamp work lathe | |
| CN116412774A (en) | VAD core rod bow curvature calibration equipment | |
| CN206970461U (en) | Multifunction quartz glass continuous induction melting furnace | |
| CN110606652A (en) | Glass substrate tube production system and production method | |
| CN206970454U (en) | It is capable of the continuous induction melting furnace of the inclined wall of high-precision control tubing | |
| JP2002053333A (en) | Method and device for manufacturing optical fiber preform | |
| CN204934869U (en) | The laser welding system of finned tube | |
| CN220172061U (en) | Horn mouth and anode glass tube burning equipment of photomultiplier | |
| KR100497732B1 (en) | Optical fiber preform manufacturing device and preparation of optical fiber preform thereby |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |