Vacuum dehydroxylation device for quartz glass tube production

Abstract

The utility model relates to the technical field of quartz glass tubes, in particular to a vacuum dehydroxylation device for quartz glass tube production, and adopts the technical scheme that the vacuum dehydroxylation device comprises a fixed plate and a threaded sleeve, a heating box is mounted at the top of the fixed plate, a fixed frame is welded at the top of the fixed plate on one side of the heating box, and a bearing I is mounted at the top of the fixed frame in an embedded manner; a screw rod is fixedly installed on an inner ring of the first bearing, a servo motor is installed on the top of the fixing frame above the screw rod, the screw sleeve is in meshed connection with the screw rod, a box cover is installed on the side, away from the fixing frame, of the screw sleeve, a vacuum pump is installed on the top of the box cover, and an air suction pipe is installed on one side of the vacuum pump. An air outlet pipe is installed on the other side of the vacuum pump, a holder is installed at the bottom of the box cover, and a controller is installed at the rear end of the heating box. The quartz glass tube heating box has the advantages that a worker can conveniently place and take out the quartz glass tubes from the heating box, and the quartz glass tubes are prevented from being collided.

Description

Technical Field

[0001] The utility model relates to the technical field of quartz glass tubes, in particular to a vacuum dehydroxylation device for producing quartz glass tubes. Background Art

[0002] The vacuum dehydroxylation device is an industrial equipment used in the production of quartz glass tubes. Its main function is to remove moisture from the material by establishing a vacuum environment and controlling the temperature, which helps to ensure the quality and performance of the glass tube. The equipment uses vacuum technology, usually through evaporation or chemical adsorption, to remove moisture from the inner and outer surfaces of the glass tube to ensure the purity of the final product.

[0003] When workers place and take quartz glass into the vacuum dehydrogenation device, the quartz glass tube is prone to collide with the internal structure of the vacuum dehydrogenation device. The collision of the tube may cause breakage or damage, which will affect the normal operation of the equipment. Utility Model Content

[0004] The utility model aims to provide a vacuum dehydroxylation device for quartz glass tube production, which has the advantages of being convenient for workers to put the quartz glass tube into and take it out from the heating box, avoiding collision of the quartz glass tube, and solving the problem that the quartz glass tube is easy to collide with the internal structure of the vacuum dehydroxylation device when placing and taking it out.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a vacuum dehydroxylation device for quartz glass tube production, comprising a fixed plate and a screw sleeve, a heating box is installed on the top of the fixed plate, a fixed frame is welded on the top of the fixed plate on one side of the heating box, a bearing 1 is embedded and installed on the top of the fixed frame, a screw rod is fixedly installed on the inner ring of the bearing 1, a servo motor is installed on the top of the fixed frame above the screw rod, the screw sleeve is meshed with the screw rod, a box cover is installed on the side of the screw sleeve away from the fixed frame, a vacuum pump is installed on the top of the box cover, an air intake pipe is installed on one side of the vacuum pump, an air outlet pipe is installed on the other side of the vacuum pump, a retaining frame is installed on the bottom of the box cover, a connecting plate 1 is installed on the side of the box cover away from the fixed frame, a connecting plate 2 is installed on the side of the heating box below the connecting plate 1, and a controller is installed at the rear end of the heating box.

[0006] When using the vacuum dehydroxylation device for quartz glass tube production in the technical solution, the fixing seat provides supporting force to the fixing plate, the quartz glass tube to be vacuum dehydroxylated is placed in the holder below the box cover, the two clamping plates inside the holder apply clamping force to the quartz glass tube through the elastic force of two sets of springs, the servo motor drives the screw to rotate through the transmission structure, the screw sleeve moves on the rotating screw sleeve, the screw sleeve drives the box cover to descend, so that the holder under the box cover enters the inside of the heating box, the box cover closes the top of the heating box, the vacuum pump draws air inside the heating box through the suction pipe, the air outlet pipe is connected to the air delivery pipe through the flange, the vacuum pump discharges the air through the air outlet pipe, the temperature inside the heating box is set by the controller, the heating box heats the quartz glass tube, after the vacuum dehydroxylation of the quartz glass tube inside the heating box is completed, the screw sleeve drives the box cover to rise, the box cover drives the holder to rise and leave the inside of the heating box, and the staff can take out the quartz glass tube inside the holder.

[0007] Preferably, the servo motor transmission structure is fixedly connected to the top of the screw rod. The servo motor drives the screw rod to rotate through the transmission structure.

[0008] Preferably, a second bearing is installed on the top of the fixing plate below the screw rod, and the bottom of the screw rod is fixedly connected to the inner ring of the second bearing. The second bearing fixes the screw rod to prevent the screw rod from shaking when rotating.

[0009] Preferably, a slider is installed on the side of the screw sleeve opposite to the fixing frame, a slide groove is provided inside the fixing frame, and the slider is slidably connected to the slide groove. The slider limits the screw sleeve, and when the screw sleeve moves on the screw rod, the slider slides in the slide groove to prevent the screw sleeve from rotating.

[0010] Preferably, the end of the suction pipe away from the vacuum pump passes through the box cover, and the end of the outlet pipe away from the vacuum pump is equipped with a flange. The vacuum pump absorbs air inside the heating box through the suction pipe, and the outlet pipe is connected to the air delivery pipe through the flange, and the vacuum pump discharges air through the outlet pipe.

[0011] Preferably, springs are installed in a rectangular array on both sides of the retainer, and clamps are installed at opposite ends of the two groups of springs. The two clamps apply clamping force to the quartz glass tube inside the retainer through the two groups of springs.

[0012] Preferably, fixing seats are respectively installed at the four corners of the bottom of the fixing plate, and the fixing seats are perpendicular to the bottom of the fixing plate. The fixing seats provide support force for the fixing plate.

[0013] Preferably, a movable rod is installed at the bottom of the connecting plate 1, and a movable hole is opened at the connecting plate 2, and the bottom of the movable rod passes through the movable hole. The movable rod limits the box cover, and when the box cover is raised or lowered, the movable rod moves in the movable hole to prevent the box cover from shaking.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model arranges a screw sleeve, a box cover and a retaining frame, and a quartz glass tube that needs vacuum dehydroxylation is placed inside the retaining frame below the box cover, and two clamping plates inside the retaining frame apply a clamping force to the quartz glass tube through the elastic force of two groups of springs, and a servo motor drives the screw rod to rotate through a transmission structure, and the screw sleeve moves on the rotating screw rod, and the screw sleeve drives the box cover to descend, so that the retaining frame below the box cover enters the interior of the heating box, and after the vacuum dehydroxylation of the quartz glass tube inside the heating box is completed, the screw sleeve drives the box cover to rise, and the box cover drives the retaining frame to rise and leave the interior of the heating box, and a staff member can take out the quartz glass tube inside the retaining frame, thereby achieving the effect of making it convenient for the staff member to put the quartz glass tube into the interior of the heating box and take it out from the interior thereof, and avoiding collision of the quartz glass tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a first angle;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a second angle;

[0018] Figure 3 This is a schematic cross-sectional view of the heating box and the box cover of the utility model;

[0019] Figure 4 This is a schematic diagram of the fixing frame structure of the utility model;

[0020] Figure 5 It is a schematic diagram of the structure of the connecting plate 1 and the connecting plate 2 of the utility model.

[0021] In the figure: 1. fixing plate; 2. heating box; 3. box cover; 4. fixing frame; 5. servo motor; 6. bearing 1; 7. screw rod; 8. screw sleeve; 9. vacuum pump; 10. exhaust pipe; 11. flange; 12. controller; 13. connecting plate 1; 14. connecting plate 2; 15. fixing seat; 16. suction pipe; 17. bearing 2; 18. splint; 19. spring; 20. retaining frame; 21. slider; 22. slide groove; 23. movable hole; 24. movable rod. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0024] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0025] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0026] Embodiment 1

[0027] like Figure 1-Figure 5 As shown, the vacuum dehydroxylation device for producing quartz glass tubes proposed by the utility model comprises a fixed plate 1 and a screw sleeve 8, a heating box 2 is installed on the top of the fixed plate 1, a fixed frame 4 is welded on the top of the fixed plate 1 on one side of the heating box 2, a bearing 6 is embedded and installed on the top of the fixed frame 4, a screw 7 is fixedly installed on the inner ring of the bearing 6, a servo motor 5 is installed on the top of the fixed frame 4 above the screw 7, a transmission structure of the servo motor 5 is fixedly connected to the top of the screw 7, a bearing 2 17 is installed on the top of the fixed plate 1 below the screw 7, the bottom of the screw 7 is fixedly connected to the inner ring of the bearing 2 17, the screw sleeve 8 is meshed with the screw 7, and the screw sleeve 8 is away from the fixed frame 4. A box cover 3 is installed on one side, a vacuum pump 9 is installed on the top of the box cover 3, an air intake pipe 16 is installed on one side of the vacuum pump 9, an air outlet pipe 10 is installed on the other side of the vacuum pump 9, the end of the air intake pipe 16 away from the vacuum pump 9 passes through the box cover 3, and a flange 11 is installed on the end of the air outlet pipe 10 away from the vacuum pump 9. A retaining frame 20 is installed at the bottom of the box cover 3, and springs 19 are installed in a rectangular array on both sides of the retaining frame 20, and clamps 18 are respectively installed on the opposite ends of the two groups of springs 19. A controller 12 is installed at the rear end of the heating box 2, and fixing seats 15 are respectively installed at the four corners of the bottom of the fixing plate 1, and the fixing seats 15 are perpendicular to the bottom of the fixing plate 1.

[0028] In this embodiment, the fixing seat 15 provides support force for the fixing plate 1, and the quartz glass tube that needs vacuum dehydroxylation is placed inside the holder 20 below the box cover 3. The two clamping plates 18 inside the holder 20 apply clamping force to the quartz glass tube through the elastic force of two sets of springs 19. The servo motor 5 drives the screw rod 7 to rotate through the transmission structure, and the screw sleeve 8 moves on the rotating screw rod 7. The screw sleeve 8 drives the box cover 3 to descend, so that the holder 20 below the box cover 3 enters the interior of the heating box 2, and the box cover 3 closes the top of the heating box 2. The air pump 9 absorbs the air inside the heating box 2 through the suction pipe 16, and the air outlet pipe 10 is connected to the air conveying pipe through the flange 11. The vacuum pump 9 discharges the air through the air outlet pipe 10, and the temperature inside the heating box 2 is set using the controller 12. The heating box 2 heats the quartz glass tube. After the vacuum dehydroxylation of the quartz glass tube inside the heating box 2 is completed, the screw sleeve 8 drives the box cover 3 to rise, and the box cover 3 drives the retaining frame 20 to rise and leave the inside of the heating box 2. The staff can take out the quartz glass tube inside the retaining frame 20.

[0029] Embodiment 2

[0030] like Figure 1-Figure 5 As shown, the vacuum dehydroxylation device for quartz glass tube production proposed by the utility model, compared with the first embodiment, this embodiment also includes: a slider 21 and a movable rod 24, the slider 21 is installed on the side of the screw sleeve 8 opposite to the fixed frame 4, a slide groove 22 is opened on the inner side of the fixed frame 4, the slider 21 and the slide groove 22 are slidably connected, a connecting plate 13 is installed on the side of the box cover 3 away from the fixed frame 4, a connecting plate 2 14 is installed on the side of the heating box 2 below the connecting plate 13, a movable rod 24 is installed at the bottom of the connecting plate 13, the connecting plate 2 14 is opened with a movable hole 23, and the bottom of the movable rod 24 passes through the movable hole 23.

[0031] In this embodiment, the screw sleeve 8 is limited by the slider 21. When the screw sleeve 8 moves on the screw rod 7, the slider 21 slides in the slide groove 22 to prevent the screw sleeve 8 from rotating. The movable rod 24 limits the box cover 3. When the box cover 3 is raised or lowered, the movable rod 24 moves in the movable hole 23 to prevent the box cover 3 from shaking.

[0032] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A vacuum dehydroxylation device for producing quartz glass tubes, comprising a fixing plate (1) and a screw sleeve (8), characterized in that: A heating box (2) is installed on the top of the fixing plate (1), a fixing frame (4) is welded on the top of the fixing plate (1) on one side of the heating box (2), a bearing (6) is embedded and installed on the top of the fixing frame (4), a screw rod (7) is fixedly installed on the inner ring of the bearing (6), a servo motor (5) is installed on the top of the fixing frame (4) above the screw rod (7), the screw sleeve (8) is meshedly connected with the screw rod (7), and a box cover (3) is installed on the side of the screw sleeve (8) away from the fixing frame (4), A vacuum pump (9) is installed on the top of the box cover (3), an air intake pipe (16) is installed on one side of the vacuum pump (9), and an air outlet pipe (10) is installed on the other side of the vacuum pump (9). A retaining frame (20) is installed on the bottom of the box cover (3), a connecting plate 1 (13) is installed on the side of the box cover (3) away from the fixing frame (4), a connecting plate 2 (14) is installed on the side of the heating box (2) below the connecting plate 1 (13), and a controller (12) is installed at the rear end of the heating box (2).

2. The vacuum dehydroxylation device for producing quartz glass tubes according to claim 1, characterized in that: The servo motor (5) transmission structure is fixedly connected to the top of the screw rod (7).

3. The vacuum dehydroxylation device for producing quartz glass tubes according to claim 1, characterized in that: A second bearing (17) is installed on the top of the fixing plate (1) below the screw rod (7), and the bottom of the screw rod (7) is fixedly connected to the inner ring of the second bearing (17).

4. The vacuum dehydroxylation device for producing quartz glass tubes according to claim 1, characterized in that: A sliding block (21) is installed on the side of the screw sleeve (8) opposite to the fixing frame (4), a sliding groove (22) is provided inside the fixing frame (4), and the sliding block (21) and the sliding groove (22) are slidably connected.

5. The vacuum dehydroxylation device for producing quartz glass tubes according to claim 1, characterized in that: The end of the air intake pipe (16) facing away from the vacuum pump (9) passes through the box cover (3), and the end of the air outlet pipe (10) facing away from the vacuum pump (9) is installed with a flange (11).

6. The vacuum dehydroxylation device for producing quartz glass tubes according to claim 1, characterized in that: Springs (19) are installed in a rectangular array on both sides of the retaining frame (20), and clamping plates (18) are installed on opposite ends of the two groups of springs (19).

7. The vacuum dehydroxylation device for producing quartz glass tubes according to claim 1, characterized in that: The four corners of the bottom of the fixing plate (1) are respectively provided with fixing seats (15), and the fixing seats (15) are perpendicular to the bottom of the fixing plate (1).

8. The vacuum dehydroxylation device for producing quartz glass tubes according to claim 1, characterized in that: A movable rod (24) is installed at the bottom of the first connecting plate (13), and a movable hole (23) is opened on the second connecting plate (14), and the bottom of the movable rod (24) passes through the movable hole (23).

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