Clamping device for large-diameter quartz tube production

Abstract

The utility model relates to the technical field of quartz tube production equipment, in particular to a clamping device for large-diameter quartz tube production, which comprises a top plate, an electric push rod mounted on the upper end face of the top plate, a door-shaped frame fixedly connected to the output end of the electric push rod, a lead screw rotatably connected to the inside of the door-shaped frame, and sliding plates in threaded connection to two ends of the outer wall of the lead screw. Sleeves are rotatably connected to the interiors of the two sliding plates correspondingly, a spline shaft is rotatably connected between the left end face and the right end face in the door-shaped frame, the two sleeves are slidably connected with the spline shaft correspondingly, first synchronous belt wheels are fixedly connected to the outer walls, opposite to each other, of the two sleeves correspondingly, and rotating discs are rotatably connected to the interiors of the two sliding plates correspondingly. Through cooperation of a first servo motor, a lead screw and a sliding plate, a clamping plate can be inserted into a quartz tube, through cooperation of a second servo motor, a spline shaft, a sleeve, a first synchronous belt wheel, a second synchronous belt wheel, a synchronous belt, a connecting shaft, a rotating disc, a short column and a sliding block, the quartz tube can be automatically clamped and fed, and the manual labor force is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of quartz tube production equipment, and specifically discloses a clamping device for producing large-caliber quartz tubes. Background Art

[0002] Quartz tube is a tube made of special glass made of silicon dioxide. Large-diameter quartz tube refers to a quartz tube with a larger diameter. Large-diameter quartz tube is an indispensable equipment component in the oxidation and diffusion process of wafers and photovoltaic panels. With the development of the industry, the size of quartz tubes has continued to expand and can no longer be loaded manually.

[0003] The existing large-diameter quartz tube clamping device still requires manual assistance when clamping the quartz tube, and the clamping device cannot effectively solve the clamping and loading process of the large-diameter quartz tube during the production process. Most of the existing loading is done by manual handling, which is time-consuming and labor-intensive. Therefore, a clamping device for large-diameter quartz tube production is needed to solve this problem. Utility Model Content

[0004] The utility model provides a clamping device for producing large-diameter quartz tubes, which has the characteristics of automatically clamping and feeding the quartz tubes, reduces labor and has good use effect.

[0005] The utility model is implemented as follows: a clamping device for producing large-diameter quartz tubes comprises a top plate, legs are fixedly connected at the four corners of the lower end surface of the top plate, universal wheels are arranged at the lower ends of the four legs, an electric push rod is installed on the upper end surface of the top plate, the output end of the electric push rod extends to the bottom of the top plate and is fixedly connected to a portal frame, a screw rod is rotatably connected between the left and right end surfaces inside the portal frame, slide plates are threadedly connected at both ends of the outer wall of the screw rod, sleeves are rotatably connected inside the two slide plates, a spline shaft is rotatably connected between the left and right end surfaces inside the portal frame, the two sleeves are slidably connected to the spline shaft, and the outer walls of the two sleeves opposite to each other are fixedly connected to the first A synchronous pulley, the interiors of the two slides are rotatably connected with a rotating disk, the outer walls of the two slides opposite to each other are fixedly connected with a connecting shaft, the ends of the two connecting shafts opposite to each other extend to the outside of the two slides respectively and are fixedly connected with a second synchronous pulley, the first synchronous pulley and the second synchronous pulley located on the same side are connected by a synchronous belt transmission, the outer walls of the two rotated disks are penetrated with a plurality of circumferentially distributed spiral grooves, the outer walls of the two slides opposite to each other are provided with sliding grooves, the inner walls of the plurality of sliding grooves are slidably connected with sliders, the outer walls of the plurality of sliders are fixedly connected with a clamping plate, the outer walls of the other sides of the plurality of sliders are fixedly connected with short columns, and the plurality of short columns are slidably connected with the plurality of spiral grooves respectively;

[0006] A first servo motor and a second servo motor are installed on the right end face of the gantry. The output end of the first servo motor is fixedly connected to a lead screw, and the output end of the second servo motor is fixedly connected to a spline shaft.

[0007] To facilitate the stable up and down movement of the gantry, as an optimization of the clamping device for the production of large-diameter quartz tubes in the present utility model, four symmetrically distributed limit rods are fixedly connected to the upper end face of the gantry, and all four limit rods are slidably connected to the top plate.

[0008] To facilitate the relative or opposite movement of the two sliding plates driven by the rotation of the lead screw, as an optimization of the clamping device for the production of large-diameter quartz tubes in the present utility model, the thread directions at both ends of the lead screw are opposite.

[0009] To prevent the slider from disengaging from the sliding plate, as an optimization of the clamping device for the production of large-diameter quartz tubes in the present utility model, the slider is T-shaped.

[0010] To facilitate increasing the contact area between the clamping plate and the quartz tube, as an optimization of the clamping device for the production of large-diameter quartz tubes in the present utility model, the clamping plate is arc-shaped.

[0011] To facilitate controlling the equipment, as an optimization of the clamping device for the production of large-diameter quartz tubes in the present utility model, a controller is provided on the outer wall of one of the legs, and the first servo motor and the second servo motor are both electrically connected to the controller.

[0012] Compared with the prior art, the beneficial effects of the present utility model are:

[0013] For the clamping device for the production of large-diameter quartz tubes, through the cooperation of the first servo motor, the lead screw and the sliding plate, the two sliding plates can be driven to move relatively or oppositely, so as to insert the clamping plate into the interior of the quartz tube. Through the cooperation of the second servo motor, the spline shaft, the sleeve, the first synchronous pulley, the second synchronous pulley, the synchronous belt, the coupling shaft, the turntable, the short column and the slider, multiple clamping plates can be driven to slide inwards or outwards, so as to clamp the quartz tube from the inside, and the quartz tube can be automatically clamped and loaded, reducing the manual labor and having good use effect. Description of the Drawings

[0014] Figure 1 It is the overall structure diagram of a clamping device for the production of large-diameter quartz tubes in the present utility model;

[0015] Figure 2 It is the main view sectional view of a clamping device for the production of large-diameter quartz tubes in the present utility model;

[0016] Figure 3 For the present utility model Figure 2 The enlarged view at A;

[0017] Figure 4 This is the structural diagram of the turntable of the present utility model;

[0018] Figure 5 This is the structural diagram of the slider of the present utility model.

[0019] In the figure, 1. top plate; 2. support leg; 3. universal wheel; 4. electric push rod; 5. gantry; 6. lead screw; 7. spline shaft; 8. slide plate; 9. first servo motor; 10. second servo motor; 11. sleeve; 12. first synchronous pulley; 13. turntable; 14. coupling shaft; 15. second synchronous pulley; 16. spiral groove; 17. chute; 18. slider; 19. short column; 20. clamp plate; 21. limit rod; 22. controller. Specific embodiments

[0020] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0021] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, in the description of the present utility model, the meaning of "a plurality" is two or more unless otherwise specifically defined.

[0022] Please refer to Figures 1-5, A clamping device for the production of large-diameter quartz tubes, including a top plate 1. At the four corners of the lower end face of the top plate 1, there are fixedly connected support legs 2. At the lower ends of the four support legs 2, there are universal wheels 3. An electric push rod 4 is installed on the upper end face of the top plate 1. The output end of the electric push rod 4 extends below the top plate 1 and is fixedly connected to a gantry 5. A lead screw 6 is rotatably connected between the left and right end faces inside the gantry 5. At both ends of the outer wall of the lead screw 6, there are threadedly connected slide plates 8. Inside both slide plates 8, there is a rotatably connected sleeve 11. A spline shaft 7 is rotatably connected between the left and right end faces inside the gantry 5. Both sleeves 11 are slidably connected to the spline shaft 7. On the outer walls of both sleeves 11 facing away from each other, there is fixedly connected a first synchronous belt pulley 12. Inside both slide plates 8, there is a rotatably connected turntable 13. On the outer walls of both turntables 13 facing away from each other, there is fixedly connected a connecting shaft 14. One end of each of the two connecting shafts 14 facing away from each other extends outside the two slide plates 8 and is fixedly connected to a second synchronous belt pulley 15. The first synchronous belt pulley 12 and the second synchronous belt pulley 15 on the same side are both connected by a synchronous belt. On the outer walls of both turntables 13, there are a plurality of helical grooves 16 distributed circumferentially. On the outer walls of the two slide plates 8 facing each other, there are sliding grooves 17. Inside the inner walls of the plurality of sliding grooves 17, there is a slidably connected slider 18. On the outer walls of the plurality of sliders 18, there is fixedly connected a clamping plate 20. On the outer walls of the other sides of the plurality of sliders 18, there is fixedly connected a short column 19. The plurality of short columns 19 are respectively slidably connected to the plurality of helical grooves 16;

[0023] A first servo motor 9 and a second servo motor 10 are installed on the right end face of the gantry 5. The output end of the first servo motor 9 is fixedly connected to the lead screw 6. The output end of the second servo motor 10 is fixedly connected to the spline shaft 7.

[0024] In this embodiment: When in use, move the top plate 1 above the quartz tube, start the electric push rod 4, the electric push rod 4 drives the gantry 5 to move downward, and then drives the clamping plates 20 on both sides to move to the same horizontal line as the quartz tube. Start the first servo motor 9, the first servo motor 9 drives the lead screw 6 to rotate, and then drives the two slide plates 8 to slide relative to each other, so that the plurality of clamping plates 20 on both sides are inserted into the inside of the quartz tube. Start the second servo motor 10, the second servo motor 10 drives the spline shaft 7 to rotate, and then drives the two sleeves 11 to rotate synchronously. The two sleeves 11 further drive the two first synchronous belt pulleys 12 to rotate, and then drive the two second synchronous belt pulleys 15 to rotate through the synchronous belt. The two second synchronous belt pulleys 15 further drive the two connecting shafts 14 to rotate synchronously, and then drive the two turntables 13 to rotate synchronously. The turntables 13 further drive the plurality of sliders 18 to slide outward synchronously along the sliding grooves 17 through the helical grooves 16 and the short columns 19, so as to clamp the quartz tube from the inside. Lift the quartz tube by driving the gantry 5 to move upward by the electric push rod 4. The utility model can automatically clamp and load the quartz tube, reducing the manual labor force and having a good use effect.

[0025] As a technical optimization solution of the present utility model, four symmetrically distributed limiting rods 21 are fixedly connected to the upper end surface of the gantry 5, and the four limiting rods 21 are all slidably connected to the top plate 1.

[0026] In this embodiment: The gantry 5 is limited by the four limiting rods 21, which facilitates the stable up and down movement of the gantry 5.

[0027] As a technical optimization solution of the present utility model, the thread directions at both ends of the lead screw 6 are opposite.

[0028] In this embodiment: By setting the thread directions at both ends of the lead screw 6 to be opposite, it is convenient for the lead screw 6 to drive the two sliding plates 8 to move relatively or away from each other when rotating.

[0029] As a technical optimization solution of the present utility model, the slider 18 is T-shaped.

[0030] In this embodiment: By setting the slider 18 to be T-shaped, the slider 18 is prevented from coming out of the sliding plate 8.

[0031] As a technical optimization solution of the present utility model, the clamping plate 20 is arc-shaped.

[0032] In this embodiment: By setting the clamping plate 20 to be arc-shaped, it is convenient to increase the contact area between the clamping plate 20 and the inner wall of the quartz tube, and the clamping is more firm.

[0033] As a technical optimization solution of the present utility model, a controller 22 is provided on the outer wall of one of the legs 2, and the first servo motor 9 and the second servo motor 10 are both electrically connected to the controller 22.

[0034] In this embodiment: By controlling the equipment through the controller 22, it saves time and effort and improves the degree of automation.

[0035] Working principle and usage process of the utility model: When in use, first move the top plate 1 above the quartz tube, then start the electric push rod 4. The electric push rod 4 drives the gantry 5 to move downward, and then drives the clamping plates 20 on both sides to move to the same horizontal line as the quartz tube. Then start the first servo motor 9. The first servo motor 9 drives the lead screw 6 to rotate, and then drives the two sliding plates 8 to slide relatively, so that the multiple clamping plates 20 on both sides are inserted into the interior of the quartz tube. Then start the second servo motor 10. The second servo motor 10 drives the spline shaft 7 to rotate, and then drives the two sleeves 11 to rotate synchronously. The two sleeves 11 further drive the two first synchronous belt wheels 12 to rotate, and then drive the two second synchronous belt wheels 15 to rotate through the synchronous belt. The two second synchronous belt wheels 15 further drive the two coupling shafts 14 to rotate synchronously, and then drive the two turntables 13 to rotate synchronously. The turntable 13 further drives the multiple sliders 18 to slide outward synchronously along the chute 17 through the spiral groove 16 and the short column 19, so as to clamp the quartz tube from the inside. Finally, drive the gantry 5 to move upward by the electric push rod 4 to lift the quartz tube. The utility model can automatically clamp and load the quartz tube, reducing the manual labor and having a good use effect.

[0036] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A clamping device for producing large-diameter quartz tubes, comprising a top plate (1), characterized in that: The four corners of the lower end surface of the top plate (1) are fixedly connected with supporting legs (2), and the lower ends of the four supporting legs (2) are provided with universal wheels (3). The upper end surface of the top plate (1) is installed with an electric push rod (4), and the output end of the electric push rod (4) extends to the bottom of the top plate (1) and is fixedly connected with a portal frame (5). A screw rod (6) is rotatably connected between the left and right end surfaces inside the portal frame (5), and both ends of the outer wall of the screw rod (6) are threadedly connected with a slide plate (8), and the insides of the two slide plates (8) are rotatably connected with a sleeve (11), and the left and right end surfaces inside the portal frame (5) are rotatably connected with a spline shaft (7), and the two sleeves (11) are slidably connected to the spline shaft (7), and the outer walls of the two sleeves (11) opposite to each other are fixedly connected with a first synchronous pulley (12), and the insides of the two slide plates (8) are rotatably connected with a A turntable (13), the outer walls of the two turntables (13) facing away from each other are fixedly connected with a connecting shaft (14), the ends of the two connecting shafts (14) facing away from each other extend to the outside of the two slides (8) and are fixedly connected with a second synchronous pulley (15), the first synchronous pulley (12) and the second synchronous pulley (15) located on the same side are connected by a synchronous belt transmission, the outer walls of the two turntables (13) are penetrated with a plurality of circumferentially distributed spiral grooves (16), the outer walls of the two slides (8) facing each other are provided with a sliding groove (17), the inner walls of the plurality of sliding grooves (17) are slidably connected with a slider (18), the outer walls of the plurality of sliders (18) are fixedly connected with a clamping plate (20), the outer walls of the other sides of the plurality of sliders (18) are fixedly connected with a short column (19), and the plurality of short columns (19) are respectively slidably connected with the plurality of spiral grooves (16); A first servo motor (9) and a second servo motor (10) are installed on the right end surface of the portal frame (5); the output end of the first servo motor (9) is fixedly connected to the screw rod (6), and the output end of the second servo motor (10) is fixedly connected to the spline shaft (7).

2. A clamping device for producing large-diameter quartz tubes according to claim 1, characterized in that: Four symmetrically distributed limiting rods (21) are fixedly connected to the upper end surface of the portal frame (5), and the four limiting rods (21) are all slidably connected to the top plate (1).

3. The clamping device for producing large-diameter quartz tubes according to claim 1, characterized in that: The threads at both ends of the screw rod (6) are in opposite directions.

4. The clamping device for producing large-diameter quartz tubes according to claim 1, characterized in that: The sliding block (18) is T-shaped.

5. The clamping device for producing large-diameter quartz tubes according to claim 1, characterized in that: The clamping plate (20) is arc-shaped.

6. The clamping device for producing large-diameter quartz tubes according to claim 1, characterized in that: A controller (22) is provided on the outer wall of one of the legs (2), and the first servo motor (9) and the second servo motor (10) are both electrically connected to the controller (22).

Images