Quartz tube drawing forming device

Abstract

The invention discloses a quartz tube drawing forming device, and belongs to the technical field of quartz tube drawing forming. The quartz tube drawing forming device comprises a forming tube communicated with a liquid outlet tube of a liquid outlet box; the forming pipe is communicated with the liquid outlet pipe through a liquid conveying pipe; the outer side of the forming pipe is sleeved with a cooling pipe, and the cooling pipe and the outer side of the forming pipe are rotationally installed. The cooling pipe is communicated with a cold air pump through a cold water pipe; a dust falling prevention structure is arranged outside the liquid conveying pipe; a uniform structure is arranged outside the forming pipe; and the dust falling prevention structure and the uniform structure are synchronously driven by driving equipment. The anti-dust-falling structure is arranged outside the liquid conveying pipe, the liquid conveying pipe is driven to rotate through the anti-dust-falling structure in the liquid conveying process, local dust falling is avoided when a glass solution is conveyed in the liquid conveying pipe, and the solution uniformity during conveying is improved; the uniform structure is arranged outside the forming pipe, the forming pipe is driven to rotate through the uniform structure in the forming process, local dust falling in the forming pipe is avoided, the uniformity of a glass solution is improved, and the quality of a quartz tube finished product is improved.

Description

Technical Field

[0001] The invention relates to the technical field of quartz tube drawing and forming, and in particular to a quartz tube drawing and forming device. Background Art

[0002] The quartz tube is a special industrial glass product made of silicon dioxide as raw material; when the quartz tube is formed, the molten and homogenized glass solution is drained into the forming tube under a stable condition; the glass solution in the forming tube becomes a formed quartz tube after cooling. The existing quartz tube drawing and forming equipment has already possessed quite mature technology. However, there are still some shortcomings: during the existing quartz tube drawing and forming process, the glass solution in the conveying pipeline is prone to local dusting due to the action of gravity, resulting in uneven solution, which in turn affects the forming quality of the quartz tube; at the same time, during the cooling process in the forming tube, the quartz tube pre-finished product is also prone to local dusting due to the action of gravity, resulting in poor forming quality of the quartz tube. In order to solve the above problems, the present invention provides a quartz tube drawing and forming device. Summary of the invention

[0003] In view of the above-mentioned technical deficiencies, the purpose of the present invention is to provide a quartz tube drawing and forming device, with an anti-dust reduction structure outside the infusion tube and a uniform structure outside the forming tube; to avoid local dust reduction inside the forming tube during the transportation and forming of the glass solution, and to improve the uniformity of the glass solution; to solve the technical problems raised in the background technology.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions: The present invention provides a quartz tube drawing and forming device, including: a forming tube connected to the liquid outlet pipe of the liquid outlet box; the forming tube is connected to the liquid outlet pipe through an infusion tube; a cooling tube is sleeved on the outside of the forming tube and the cooling tube is rotatably installed on the outside of the forming tube; the cooling tube is connected to the cold air pump through a cold water pipe; the infusion tube is provided with an anti-dust structure outside; the forming tube is provided with a uniform structure outside; the anti-dust structure and the uniform structure are synchronously driven by a driving device; the anti-dust structure and the uniform structure are driven simultaneously by the driving device, saving resources, improving efficiency, and being convenient and efficient. By providing an anti-dust structure outside the infusion tube, the infusion tube is driven to rotate by the anti-dust structure during the infusion process, thereby avoiding local dusting of the glass solution when it is transported in the infusion tube, and improving the uniformity of the solution during transportation; providing a uniform structure outside the forming tube, the forming tube is driven to rotate by the uniform structure during the forming process, thereby avoiding local dusting inside the forming tube, improving the uniformity of the glass solution, and improving the quality of the quartz tube finished product.

[0005] Preferably, the liquid outlet tube is connected to the infusion tube via a step joint tube; the forming tube is connected to the infusion tube via a step joint tube; connecting tube heads are provided on both sides of the step joint tube; the connecting tube head is rotatably connected to the forming tube and the infusion tube; the step joint tube has a good buffering effect on the glass solution, and the connecting tube head has a good connection effect between the forming tube and the infusion tube; in addition, the forming tube and the infusion tube are connected to the connecting tube head by a bearing rotation connection with good sealing, so that the forming tube and the infusion tube can rotate independently.

[0006] Preferably, the dust prevention structure includes a driving gear A and a driven gear A; the driven gear A is coaxially fixedly installed on the outside of the infusion tube; the driving gear A is meshed and connected with the driven gear A; the driving gear A drives the driven gear A and the infusion tube to rotate, thereby avoiding local dust when the glass solution is transported in the infusion tube, improving the uniformity of the solution during transportation, and improving the quality of the finished quartz tube. Uniform structure of the outer periphery of the molding tube.

[0007] Preferably, the uniform structure includes a driving gear B and a driven gear B; the driven gear B is coaxially fixedly installed on the outside of the forming tube; the driving gear B is meshingly connected with the driven gear B; the driven gear B and the forming tube are driven to rotate by the driving gear B to avoid local dust inside the forming tube, improve the uniformity of the glass solution, and improve the quality of the finished quartz tube.

[0008] Preferably, the driving device includes a servo motor and a differential; two ends of the differential are respectively connected to the gear B axle and the gear A axle; and the output shaft of the servo motor is connected to the gear A axle.

[0009] Preferably, a core rod is coaxially installed in the molding tube and the infusion tube; the core rod is used to completely realize the solution molding tube.

[0010] Preferably, a support ring is coaxially installed inside the step joint tube; the support ring is fixedly connected to the inner wall of the step joint tube through a plurality of support rods; the tube core rod is installed on the inner side of the support ring; and the tube core rod is ensured to be stably installed inside the step joint tube to achieve complete molding of the quartz tube.

[0011] Preferably, the forming tube and the infusion tube are supported by a support column; an arc support block is provided on the top of the support column; the arc support block is rotatably mounted on the outer side surface of the forming tube and the outer side surface of the infusion tube; a support foot is provided at the bottom of the support column; it is used to provide stable support for the forming tube and the infusion tube; if necessary, the arc support block can be rotatably mounted on the outer side of the step joint tube.

[0012] The beneficial effects of the present invention are:

[0013] 1. The present invention arranges an anti-dust structure outside the infusion tube, and drives the infusion tube to rotate during the infusion process, thereby avoiding local dusting of the glass solution when it is transported in the infusion tube, and improving the uniformity of the solution during transportation; arranges a uniform structure outside the molding tube, and drives the molding tube to rotate during the molding process, thereby avoiding local dusting inside the molding tube, improving the uniformity of the glass solution, and improving the quality of the finished quartz tube.

[0014] 2. The present invention uses a servo motor to synchronously drive the driving gear A and the driving gear B to rotate, thereby simultaneously driving the forming tube and the infusion tube to rotate, saving resources, improving efficiency, and being convenient and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 A schematic structural diagram of a quartz tube drawing and forming device provided in an embodiment of the present invention.

[0017] Figure 2 for Figure 1 Schematic diagram of the structure without the liquid outlet tank installed.

[0018] Figure 3 for Figure 2 Right view of .

[0019] Figure 4 for Figure 3 Sectional view of AA.

[0020] Figure 5 It is a schematic diagram of the structure of the stepped joint pipe in the present invention.

[0021] Figure 6 It is a schematic diagram of the structure in which the forming tube, the cooling tube and the driven gear B are installed with each other in the present invention.

[0022] Explanation of the accompanying drawings: 1-liquid outlet box, 11-liquid outlet pipe, 2-forming pipe, 3-infusion pipe, 4-cooling pipe, 41-cold water pipe, 5-step joint pipe, 51-connecting pipe head, 52-support ring, 521-support rod, 61-driving gear A, 611-gear A axle, 62-driven gear A, 71-driving gear B, 711-gear B axle, 72-driven gear B, 81-servo motor, 82-differential, 9-tube core rod, 10-support column, 101-arc support block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Embodiment 1:

[0025] like Figures 1 to 6 As shown, the present invention provides a quartz tube drawing and forming device, comprising: a forming tube 2 connected to a liquid outlet pipe 11 of a liquid outlet box 1; the forming tube 2 is connected to the liquid outlet pipe 11 through a liquid infusion pipe 3; specifically, the liquid outlet pipe 11 is connected to the liquid infusion pipe 3 through a step joint pipe 5; at the same time, the forming tube 2 is connected to the liquid infusion pipe 3 through the step joint pipe 5; connecting tube heads 51 are provided on both sides of the step joint pipe 5; the connecting tube head 51 is rotatably connected to the forming tube 2 and the liquid infusion pipe 3; the step joint pipe 5 has a good buffering effect on the glass solution, and at the same time, the connecting tube head 51 has a good connection effect between the forming tube 2 and the liquid infusion pipe 3; in addition, the forming tube 2 and the liquid infusion pipe 3 are connected to the connecting tube head 51 by a bearing rotation connection with good sealing, so that the forming tube 2 and the liquid infusion pipe 3 can be rotated independently. More specifically, the forming tube 2 and the infusion tube 3 are supported by a support column 10; an arc support block 101 is provided on the top of the support column 10; the arc support block 101 is rotatably installed with the outer side surface of the forming tube 2 and the outer side surface of the infusion tube 3, and if necessary, the arc support block 101 can be rotatably installed with the outer side of the stepped joint tube 5; a support foot is provided at the bottom of the support column 10; it is used to provide stable support for the forming tube 2 and the infusion tube 3.

[0026] See also Figures 2 to 4 As shown, a core rod 9 is coaxially installed in the molding tube 2 and the infusion tube 3, and the core rod 9 is used to completely realize the solution molding tube; in addition, a support ring 52 is coaxially installed in the step joint tube 5; the support ring 52 is fixedly connected to the inner wall of the step joint tube 5 through a plurality of support rods 521; the core rod 9 is installed on the inner side of the support ring 52; it is ensured that the core rod 9 is stably installed inside the step joint tube 5 to realize the complete molding of the quartz tube.

[0027] See also Figures 2 to 6As shown, the cooling pipe 4 is sleeved on the outside of the forming tube 2 and the cooling pipe 4 is rotatably mounted on the outside of the forming tube 2; specifically, the inner sides of both ends of the cooling pipe 4 are rotatably mounted on the outside of the forming tube 2 through bearings, and good sealing is ensured to form a well-sealed cooling cavity, and the cooling cavity is introduced with cold water through the cold water pipe 41 to achieve a cooling effect. The cooling pipe 4 is connected to the cold air pump through the cold water pipe 41; in fact, the cooling pipe 4 is connected to a water outlet pipe and the water outlet pipe is connected to the inside of the cooling cavity; at the same time, the cooling cavity is connected to a cold water reservoir, and the cold water reservoir is equipped with an external cooling device to cool the water in the reservoir. The cold air pump draws water from the cold water reservoir and inputs it into the cooling cavity through the cold water pipe 41 to achieve circulating cooling, which is convenient for actual production. The infusion tube 3 is provided with an external dust prevention structure; specifically, the dust prevention structure includes a driving gear A61 and a driven gear A62; the driven gear A62 is coaxially fixedly installed on the outside of the infusion tube 3; the driving gear A61 is meshed with the driven gear A62, and the driven gear A62 and the infusion tube 3 are driven to rotate by the driving gear A61, so as to avoid local dust when the glass solution is transported in the infusion tube 3, improve the uniformity of the solution during transportation, and improve the quality of the finished quartz tube. The forming tube 2 is provided with an external uniform structure; specifically, the uniform structure includes a driving gear B71 and a driven gear B72; the driven gear B72 is coaxially fixedly installed on the outside of the forming tube 2; the driving gear B71 is meshed with the driven gear B72; the driven gear B72 and the forming tube 2 are driven to rotate by the driving gear B71, so as to avoid local dust inside the forming tube 2, improve the uniformity of the glass solution, and improve the quality of the finished quartz tube. The anti-dust-fall structure and the uniform structure are synchronously driven by a driving device; the anti-dust-fall structure and the uniform structure are simultaneously driven by the driving device, which saves resources, improves efficiency, and is convenient and efficient.

[0028] When this embodiment is actually used, an anti-dust reduction structure is provided on the outside of the infusion tube 3. During the infusion process, the anti-dust reduction structure drives the infusion tube 3 to rotate, thereby avoiding local dust reduction when the glass solution is transported in the infusion tube 3, and improving the uniformity of the solution during transportation; a uniform structure is provided on the outside of the molding tube 2. During the molding process, the uniform structure drives the molding tube 2 to rotate, thereby avoiding local dust reduction inside the molding tube 2, improving the uniformity of the glass solution, and improving the quality of the finished quartz tube.

[0029] Embodiment 2:

[0030] See also Figures 2 to 3As shown, on the basis of retaining all the technical features in the specific embodiment 1, the driving device includes a servo motor 81 and a differential 82; the two ends of the differential 82 are respectively connected to the gear B axle 711 and the gear A axle 611; the speeds of the gear B axle 711 and the gear A axle 611 are adjusted by the differential 82 to achieve a better uniform effect and improve the quality of the finished quartz tube; the output shaft of the servo motor 81 is connected to the gear A axle 611. When this embodiment is actually used, the servo motor 81 synchronously drives the driving gear A61 and the driving gear B71 to rotate, and then drives the forming tube 2 and the infusion tube 3 to rotate at the same time, saving resources, improving efficiency, and being convenient and efficient.

[0031] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A quartz tube drawing and forming device, characterized in that: include: A shaped tube (2) connected to a liquid outlet pipe (11) of a liquid outlet box (1); the shaped tube (2) is connected to the liquid outlet pipe (11) via a liquid infusion pipe (3); a cooling tube (4) is sleeved on the outside of the shaped tube (2) and the cooling tube (4) is rotatably mounted on the outside of the shaped tube (2); the cooling tube (4) is connected to a cold air pump via a cold water pipe (41); an anti-dust structure is externally provided on the liquid infusion pipe (3); a uniform structure is externally provided on the shaped tube (2); the anti-dust structure and the uniform structure are synchronously driven by a driving device.

2. A quartz tube drawing and forming device as claimed in claim 1, characterized in that: The liquid outlet pipe (11) is connected to the liquid infusion pipe (3) via a stepped joint pipe (5); the shaped pipe (2) is connected to the liquid infusion pipe (3) via a stepped joint pipe (5); connecting pipe heads (51) are provided on both sides of the stepped joint pipe (5); the connecting pipe heads (51) are rotatably connected to the shaped pipe (2) and the liquid infusion pipe (3).

3. A quartz tube drawing and forming device as claimed in claim 2, characterized in that: The dust-reduction prevention structure comprises a driving gear A (61) and a driven gear A (62); the driven gear A (62) is coaxially fixedly mounted on the outside of the infusion tube (3); the driving gear A (61) is meshingly connected with the driven gear A (62).

4. A quartz tube drawing and forming device as claimed in claim 3, characterized in that: The uniform structure comprises a driving gear B (71) and a driven gear B (72); the driven gear B (72) is coaxially fixedly mounted on the outside of the forming tube (2); the driving gear B (71) is meshingly connected with the driven gear B (72).

5. A quartz tube drawing and forming device as claimed in claim 4, characterized in that: The driving device comprises a servo motor (81) and a differential (82); two ends of the differential (82) are respectively connected to a gear B axle (711) and a gear A axle (611); and an output shaft of the servo motor (81) is connected to the gear A axle (611).

6. A quartz tube drawing and forming device as claimed in claim 2 or 5, characterized in that: A core rod (9) is coaxially installed inside the molding tube (2) and the infusion tube (3).

7. A quartz tube drawing and forming device as claimed in claim 6, characterized in that: A support ring (52) is coaxially installed inside the step joint pipe (5); the support ring (52) is fixedly connected to the inner wall of the step joint pipe (5) via a plurality of support rods (521); and the tube core rod (9) is installed inside the support ring (52).

8. A quartz tube drawing and forming device as claimed in claim 7, characterized in that: The forming tube (2) and the infusion tube (3) are supported by a support column (10); a circular arc support block (101) is provided at the top of the support column (10); the circular arc support block (101) is rotatably mounted on the outer side surface of the forming tube (2) and the outer side surface of the infusion tube (3); and a supporting foot is provided at the bottom of the support column (10).

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