Positioning device for graphite rotor machining

Abstract

The utility model discloses a positioning device for graphite rotor processing, which comprises a bottom shell, the top of the bottom shell is provided with a turntable, the outer wall of the top of the turntable is provided with a mounting groove, a double-line screw is connected between the inner walls of the two sides of the mounting groove through a bearing, the outside of the double-line screw is connected with two sliding blocks through threads, and the sliding blocks slide in the mounting groove. Arc columns are fixed to the outer walls of the tops of the sliding blocks, a graphite rotor body is arranged at the top of the rotating disc, a center hole is formed in the center of the graphite rotor body, the two arc columns are located in the center hole, and a supporting plate is fixed to the outer wall of one side of each arc column. Through rotation of the double-line screw, the two arc columns are positioned from the interior of the center hole of the graphite rotor body, so that the outer circle surface of the graphite rotor body is fully exposed, outer circle grinding of the graphite rotor body can be completed at a time, the situation of secondary installation is avoided, and the machining efficiency is improved. And the graphite rotor is more convenient to polish and process.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite rotor processing, in particular to a positioning device for graphite rotor processing. Background Art

[0002] Graphite rotors generally refer to graphite products. One of the main uses of graphite is the production of refractory materials, including refractory bricks, crucibles, continuous casting powder, mold cores, molds, detergents and high temperature resistant materials.

[0003] Chinese Patent No. 201520987251.3 provides a workpiece clamping and positioning device, including a base, an ear plate is provided on the base, and a through hole a is opened on the ear plate. The base is also provided with a clamp, and the clamp includes a left clamp and a right clamp. One end of the right clamp is located between the ear plates, and one end of the right clamp is provided with a through hole b. Through hole a and through hole b form a circular channel, and through hole a and through hole b are provided with internal threads. A fastening screw passes through the circular channel, and the external threads of the fastening screw cooperate with the internal threads in through hole a and through hole b. The other end of the right clamp is provided with a right card slot, and the right card slot is semi-cylindrical. The right card slot is opposite to the left card slot of the left clamp, and one side of the left clamp is against the end of an adjusting screw, and the adjusting screw passes through the screw hole of the adjusting screw seat.

[0004] When processing the disc of the graphite rotor, it is necessary to position it and grind the outer circle to make the outer circle smoother. When the positioning device in the above patent is used to position the graphite rotor, it is necessary to clamp the outer circle of the graphite rotor, and the clamped part cannot be effectively polished, resulting in the need for secondary clamping when the graphite rotor is polished. Therefore, it is urgent to design a positioning device for graphite rotor processing to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a positioning device for graphite rotor processing to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A positioning device for graphite rotor processing, comprising a bottom shell, a turntable is arranged on the top of the bottom shell, a mounting groove is opened on the top outer wall of the turntable, a double-threaded screw is connected between the inner walls on both sides of the mounting groove through bearings, two sliders are connected to the outside of the double-threaded screw through threads, the sliders slide inside the mounting groove, an arc column is fixed to the top outer wall of the slider, a graphite rotor body is arranged on the top of the turntable, a center hole is opened in the center of the graphite rotor body, the two arc columns are both located inside the center hole, a support plate is fixed to the outer wall of one side of the arc column, and the support plate is located at the bottom of the graphite rotor body.

[0008] Furthermore, a protective layer is fixed to the outer walls of the two arc columns on one side away from each other, and the protective layer is adapted to the central hole.

[0009] Furthermore, a rotating block is fixed to one end of the double-thread screw, and a hexagonal hole is opened inside the rotating block.

[0010] Furthermore, a rotating shaft is fixed to the bottom outer wall of the turntable, the rotating shaft is connected to the bottom shell through a bearing, the bottom end of the rotating shaft extends to the inside of the plot and a worm gear is fixed thereto, the inside of the bottom shell is connected to a worm through a bearing, and the worm gear is meshed with the worm gear.

[0011] Furthermore, a motor is fixed to an outer wall of one side of the bottom shell, and one end of the output shaft of the motor is connected to the worm through a key.

[0012] Furthermore, a receiving hole is opened on an outer wall of one side of the turntable, and the rotating block is located inside the receiving hole.

[0013] Furthermore, a mounting plate is welded to the outer wall of the bottom shell, a mounting opening is opened on the top outer wall of the mounting plate, and an oil inlet and an oil drain are respectively welded to the outer walls on both sides of the bottom shell.

[0014] In the above technical scheme, the utility model provides a positioning device for graphite rotor processing, which has the following beneficial effects: through the rotation of the double-groove screw, the two arc columns are positioned from the inside of the center hole of the graphite rotor body, so that the outer cylindrical surface of the graphite rotor body is fully exposed, so that the outer cylindrical grinding of the graphite rotor body can be completed at one time, avoiding the situation of secondary installation, making the graphite rotor more convenient during grinding processing; the graphite rotor body is supported by the provided support plate, so that there is a sufficient gap between the bottom of the graphite rotor body and the turntable, preventing the grinding tool from interfering with the turntable, so that the outer cylindrical side surface of the graphite rotor body can ensure sufficient effect during grinding; the provided protective layer can protect the inner wall of the center hole of the graphite rotor body to prevent its inner wall from being squeezed and damaged due to positioning, which can effectively reduce the defective rate of the graphite rotor body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 The present invention is a top view schematic diagram of the structure of a positioning device for graphite rotor processing according to an embodiment of the present invention.

[0017] Figure 2 The present invention is a schematic cross-sectional structure diagram of an embodiment of a positioning device for machining a graphite rotor according to the present invention.

[0018] Figure 3 The present invention is a schematic diagram of the structure of a graphite rotor body provided in an embodiment of a positioning device for machining a graphite rotor according to the present invention.

[0019] Figure 4 The present invention is a schematic diagram of an arc column structure provided in an embodiment of a positioning device for graphite rotor processing according to the present invention.

[0020] Figure 5 The present invention is a schematic diagram of the structure of a rotating block provided in an embodiment of a positioning device for machining a graphite rotor according to the present invention.

[0021] Description of reference numerals:

[0022] 1 bottom shell, 2 turntable, 3 mounting groove, 4 double-thread screw, 5 slider, 6 arc column, 7 protective layer, 8 support plate, 9 accommodating hole, 10 rotating block, 11 rotating shaft, 12 worm gear, 13 worm, 14 motor, 15 mounting plate, 16 mounting port, 17 graphite rotor body, 18 center hole, 19 hexagonal hole, 20 oil inlet, 21 oil drain port. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] like Figure 1-5 As shown, a positioning device for graphite rotor processing provided by an embodiment of the utility model comprises a bottom shell 1, a turntable 2 is arranged on the top of the bottom shell 1, a mounting groove 3 is opened on the top outer wall of the turntable 2, a double-thread screw 4 is connected between the inner walls on both sides of the mounting groove 3 through bearings, two sliders 5 are connected to the outside of the double-thread screw 4 through threads, the slider 5 slides inside the mounting groove 3, an arc column 6 is fixed to the top outer wall of the slider 5, a graphite rotor body 17 is arranged on the top of the turntable 2, a center hole 18 is opened in the center of the graphite rotor body 17, two arc columns 6 are both located inside the center hole 18, a support plate 8 is fixed to the outer wall on one side of the arc column 6, and the support plate 8 is located at the bottom of the graphite rotor body 17.

[0025] Specifically, in this embodiment, it includes a bottom shell 1, a turntable 2 is arranged on the top of the bottom shell 1, a mounting groove 3 is opened on the top outer wall of the turntable 2, a double-thread screw 4 is connected between the inner walls on both sides of the mounting groove 3 through bearings, the outer wall of the double-thread screw 4 has two threads with opposite spiral directions, and the outside of the double-thread screw 4 is connected to two sliders 5 through threads, the sliders 5 slide inside the mounting groove 3, and the double-thread screw 4 can drive the two sliders 5 to move away from or approach each other when rotating, and an arc column 6 is fixed to the top outer wall of the slider 5, the cross-section of the arc column 6 is an arc, and the central angle corresponding to the cross-section of the arc column 6 is 120-160 degrees, and a graphite rotor body 17 is arranged on the top of the turntable 2, and a center hole 18 is opened in the center of the graphite rotor body 17, and the center hole 18 is a structural feature of the graphite rotor body 17 itself, and the two arc columns 6 are both located inside the center hole 18, and the two arc columns 6 are far away from each other, the graphite rotor body 17 can be squeezed and fixed, a support plate 8 is fixed to the outer wall of one side of the arc column 6, and the support plate 8 is located at the bottom of the graphite rotor body 17. The graphite rotor body 17 is supported by the support plate 8, so that there is a sufficient gap between the bottom of the graphite rotor body 17 and the turntable 2 to prevent the grinding tool from interfering with the turntable 2, so that the outer circular side of the graphite rotor body 17 can ensure a sufficient effect when grinding, a rotating block 10 is fixed to one end of the double-thread screw 4, and a hexagonal hole 19 is opened inside the rotating block 10, and the hexagonal hole 19 can be inserted into the hexagonal wrench, so that the double-thread screw 4 can be conveniently rotated by the wrench, and a receiving hole 9 is opened on the outer wall of one side of the turntable 2, and the rotating block 10 is located inside the receiving hole 9, and the rotating block 10 is hidden inside the receiving hole 9, making the overall appearance more beautiful and coordinated.

[0026] The utility model provides a positioning device for graphite rotor processing. Through the rotation of the double-thread screw 4, two arc columns 6 are positioned from the inside of the central hole 18 of the graphite rotor body 17, so that the outer cylindrical surface of the graphite rotor body 17 is fully exposed, so that the outer cylindrical grinding of the graphite rotor body 17 can be completed at one time, avoiding the situation of secondary installation, making the graphite rotor more convenient during grinding processing.

[0027] In another embodiment provided by the utility model, a protective layer 7 is fixed to the outer wall of one side of the two arc columns 6 that are away from each other, and the protective layer 7 is adapted to the center hole 18. The protective layer 7 is made of rubber material. The protective layer 7 can protect the inner wall of the center hole 18 of the graphite rotor body 17 to prevent the inner wall from being squeezed and damaged due to positioning, thereby effectively reducing the defective rate of the graphite rotor body 17.

[0028] In another embodiment provided by the utility model, a rotating shaft 11 is fixed to the bottom outer wall of the turntable 2, and the rotating shaft 11 is connected to the bottom shell 1 through a bearing. The center of the turntable 2 and the rotation center of the rotating shaft 11 are on a straight line, and the two arc columns 6 are always centrally symmetrical about the center of the turntable 2. The bottom end of the rotating shaft 11 extends to the inside of the plot and a worm wheel 12 is fixed thereto. A worm 13 is connected to the inside of the bottom shell 1 through a bearing. The worm 13 meshes with the worm wheel 12. When the worm 13 rotates, it can drive the worm wheel 12 to rotate, so that the worm wheel 12 drives the rotating shaft 11 and the turntable 2 to rotate; a motor 14 is fixed to the outer wall of one side of the bottom shell 1. One end of the output shaft of the motor 14 is connected to the worm 13 by a key, and the motor 14 is used to drive the worm 13 to rotate, so that the turntable 2 can drive the graphite rotor body 17 to rotate automatically; a mounting plate 15 is welded to the outer wall of the bottom shell 1, and a mounting port 16 is opened on the top outer wall of the mounting plate 15. The mounting port 16 is fixed to the mounting plate 15 with bolts, and an oil inlet 20 and an oil drain port 21 are respectively welded to the outer walls on both sides of the bottom shell 1. The oil inlet 20 is located at a high position of the bottom shell 1, and the oil drain port 21 is located at the bottom of the bottom shell 1, so that lubricating oil can be added to the bottom shell 1, thereby reducing the wear of the worm 13 and the worm wheel 12 during meshing transmission.

[0029] Working principle: when the graphite rotor body 17 needs to be positioned, the center hole 18 of the graphite rotor body 17 is sleeved on the two arc columns 6, and the bottom outer wall of the graphite rotor body 17 is made to contact the support plate 8, and then the rotating block 10 is rotated by a wrench, so that the rotating block 10 drives the double-thread screw 4 to rotate, and then the two sliders 5 move away from each other. When the slider 5 moves, it drives the arc column 6 to move, so that the two arc columns 6 squeeze the center hole 18 of the graphite rotor body 17, and then the graphite rotor body 17 is fixed; when the graphite rotor needs to be rotated, the motor 14 drives the worm 13 to rotate, so that the worm 13 drives the worm wheel 12 and the rotating shaft 11 to rotate, and then the rotating shaft 11 drives the turntable 2 and the graphite rotor body 17 to rotate.

[0030] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A positioning device for graphite rotor processing, characterized in that: The invention comprises a bottom shell (1), a turntable (2) is arranged on the top of the bottom shell (1), a mounting groove (3) is formed on the top outer wall of the turntable (2), a double-threaded screw (4) is connected between the inner walls on both sides of the mounting groove (3) via bearings, two sliders (5) are connected to the outside of the double-threaded screw (4) via threads, the sliders (5) slide inside the mounting groove (3), an arc column (6) is fixed to the top outer wall of the slider (5), a graphite rotor body (17) is arranged on the top of the turntable (2), a center hole (18) is formed in the center of the graphite rotor body (17), the two arc columns (6) are both located inside the center hole (18), a support plate (8) is fixed to the outer wall of one side of the arc column (6), and the support plate (8) is located at the bottom of the graphite rotor body (17).

2. A positioning device for graphite rotor processing according to claim 1, characterized in that: A protective layer (7) is fixed to the outer walls of the two arc columns (6) on one side away from each other, and the protective layer (7) is adapted to the central hole (18).

3. A positioning device for graphite rotor processing according to claim 1, characterized in that: A rotating block (10) is fixed to one end of the double-thread screw (4), and a hexagonal hole (19) is formed inside the rotating block (10).

4. A positioning device for graphite rotor processing according to claim 1, characterized in that: A rotating shaft (11) is fixed to the outer wall of the bottom of the rotating disk (2); the rotating shaft (11) is connected to the bottom shell (1) via a bearing; the bottom end of the rotating shaft (11) extends to the inside of the plot and a worm gear (12) is fixed thereto; a worm (13) is connected to the inside of the bottom shell (1) via a bearing; the worm gear (13) is meshed with the worm gear (12).

5. A positioning device for graphite rotor processing according to claim 4, characterized in that: A motor (14) is fixed to an outer wall of one side of the bottom shell (1), and one end of an output shaft of the motor (14) is connected to the worm (13) via a key.

6. A positioning device for graphite rotor processing according to claim 3, characterized in that: A receiving hole (9) is formed on one side outer wall of the rotating disk (2), and the rotating block (10) is located inside the receiving hole (9).

7. A positioning device for graphite rotor processing according to claim 1, characterized in that: A mounting plate (15) is welded to the outer wall of the bottom shell (1), a mounting opening (16) is formed on the top outer wall of the mounting plate (15), and an oil inlet (20) and an oil drain opening (21) are respectively welded to the outer walls on both sides of the bottom shell (1).

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