CN109571164B - Centerless cylindrical grinding device for rod-shaped materials - Google Patents
Centerless cylindrical grinding device for rod-shaped materials Download PDFInfo
- Publication number
- CN109571164B CN109571164B CN201811585870.4A CN201811585870A CN109571164B CN 109571164 B CN109571164 B CN 109571164B CN 201811585870 A CN201811585870 A CN 201811585870A CN 109571164 B CN109571164 B CN 109571164B
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- Prior art keywords
- motor
- mounting plate
- guide wheel
- grinding
- wheel frame
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- 239000000463 material Substances 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 50
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000005012 migration Effects 0.000 claims description 6
- 238000013508 migration Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000005498 polishing Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/18—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
- B24B5/22—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work for grinding cylindrical surfaces, e.g. on bolts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/18—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
- B24B5/307—Means for supporting work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/12—Dressing tools; Holders therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to a centerless cylindrical grinding device for a rod-shaped material, which comprises a machine table, wherein a mounting plate A and a mounting plate B which can move left and right are arranged on the machine table, a rear bracket is arranged on the upper end surface of the mounting plate A, a guide wheel frame is hinged on the rear bracket, a guide wheel for providing advancing power for a workpiece is arranged in the guide wheel frame, a grinding wheel frame is arranged on the upper end surface of the mounting plate B, a grinding wheel for grinding the workpiece is arranged in the grinding wheel frame, a motor C for driving the grinding wheel to rotate is arranged at the rear end of the mounting plate B, the motor C is fixed on the mounting plate B, and a bracket for supporting the workpiece and moving up and down is arranged between. The invention can polish the core rods with different diameters.
Description
Technical Field
The invention relates to a centerless cylindrical grinding device for a rod-shaped material.
Background
The automatic centerless cylindrical grinding mechanism is a machine applying the centerless cylindrical grinding principle, mainly comprises a grinding wheel, a guide wheel, a workpiece, a supporting plate, a front guide plate and a rear guide plate, and the like, and has the working principle that the guide wheel has a certain inclination angle in a vertical plane, when rotating, the guide wheel frictionally drives the workpiece to do circular motion, and simultaneously has a certain component speed in the axial direction to drive the workpiece to be pushed forwards; the rotating speed of the grinding wheel is higher than that of the guide wheel or the workpiece, namely, a great rotating speed difference exists, and the grinding wheel further plays a role in grinding the workpiece; the supporting plate, the grinding wheel and the guide wheel support the periphery of the workpiece at three different positions, and the periphery of the workpiece is jumped very little and can be ignored due to the guide of the front guide plate and the rear guide plate. When the centerless cylindrical grinding mechanism grinds a workpiece, axial propelling and certain circumferential clamping can be realized without additionally adding a clamping mechanism or a propelling device. Therefore, the automatic grinding machine is integrated with other automatic mechanisms, and high-speed automatic grinding is easy to realize.
The existing centerless cylindrical grinding mechanism mainly comprises the following types:
(1) the machine tool adopts an electromechanical-hydraulic integrated design, has various functions and higher grinding precision, and can realize the functions of transverse automatic feeding and compensation, automatic balance of a grinding wheel or a guide wheel main shaft, automatic detection and feedback and the like. Due to the fact that the functions of the multifunctional medical device are various and the incorporated subject knowledge is wide, the structure is complex, the manufacturing cost is too high, and the multifunctional medical device is not suitable for early investment of some small and medium-sized enterprises;
(2) the old centerless cylindrical grinding machine is rarely used by most enterprises or factories at present. The working efficiency and the processing quality of the machine can not meet the processing requirements of products in more than middle batch, so that the machine is gradually eliminated.
Disclosure of Invention
In view of this, the invention aims to provide a centerless cylindrical grinding device for rod-shaped materials, which can grind and process core rods with different diameters.
The technical scheme of the invention is as follows: a centerless cylindrical polishing device for rod-shaped materials comprises a machine table, wherein a mounting plate A and a mounting plate B which can move left and right are arranged on the machine table, a rear support is arranged on the upper end face of the mounting plate A, a guide wheel frame is hinged on the rear support, a guide wheel for providing forward power for a workpiece is arranged in the guide wheel frame, a supporting plate is arranged below the guide wheel frame, a motor A for driving the guide wheel to rotate is arranged on the supporting plate, a motor B capable of adjusting the inclination angle of the supporting plate is also arranged on the upper end face of the mounting plate A, a ball screw connected with an output shaft of the motor B is arranged along the front end of the motor B, a screw nut is sleeved on the ball screw, a guide rod penetrates through the other side of the screw nut, a rocker is hinged on the screw nut, one end of the rocker is hinged on the screw nut, a, the angle sensor capable of detecting the inclination angle of the supporting plate is arranged on the supporting plate, the grinding wheel frame is arranged on the upper end face of the mounting plate B, a grinding wheel used for grinding a workpiece is arranged in the grinding wheel frame, the motor C used for driving the grinding wheel to rotate is arranged at the rear end of the mounting plate B, the motor C is fixed on the mounting plate B, and a bracket used for supporting the workpiece and capable of moving up and down is arranged between the guide wheel frame and the grinding wheel frame.
Further, be provided with the motor D that can promote mounting panel A horizontal migration at mounting panel A lower extreme, be provided with the motor E that can promote mounting panel B horizontal migration at mounting panel B lower extreme, be provided with the motor F that can promote the bracket and reciprocate below the bracket, be provided with drive mechanism B between mounting panel A and the motor D, drive mechanism B is the combination of band pulley drive mechanism and screw nut drive mechanism, is provided with drive mechanism C between mounting panel B and the motor E, drive mechanism C is the combination of band pulley drive mechanism and screw nut drive mechanism, is provided with drive mechanism D between bracket and motor F, and drive mechanism D is crank rocker drive mechanism.
Further, an arc support which is supported on the mounting plate A and can roll relative to the mounting plate A is arranged below the supporting plate, and a supporting plate used for containing lubricating oil is arranged between the arc support and the mounting plate A.
Furthermore, the guide wheel frame and the grinding wheel frame are both provided with a dresser for dressing the grinding wheel and the guide wheel.
Furthermore, magnetic grid rulers for detecting the displacement conditions of the mounting plate A and the mounting plate B are arranged between the machine table and the mounting plate A and between the machine table and the mounting plate B.
Further, transmission mechanisms A are arranged between the guide wheel and the motor A and between the grinding wheel and the motor C, and the transmission mechanisms A are belt wheel transmission mechanisms.
Further, the motor a and the motor C are both three-phase asynchronous motors, and the motor B, the motor D, the motor E and the motor F are all servo motors.
And the controller is electrically connected with the motor A, the motor B, the motor C, the motor D, the motor E and the motor F respectively, and is also electrically connected with the angle sensor and the magnetic grid ruler.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention can polish the core rods with different diameters;
(2) the polishing mechanism can adjust the inclination angle of the guide wheel according to the process requirements, so as to adjust the advancing speed of the workpiece during polishing;
(3) the grinding mechanism can adapt to core rod workpieces with different diameters by adjusting the distance between the guide wheel frame and the grinding wheel frame;
(4) the grinding mechanism can finish the grinding wheel and the guide wheel through the trimmer.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Drawings
FIG. 1 is a schematic structural diagram of a grinding mechanism according to an embodiment of the present invention;
FIG. 2 is a front view of a grinding mechanism according to an embodiment of the present invention;
FIG. 3 is a structural schematic of a pallet according to an embodiment of the present invention;
in the figure: 100-a machine platform; 102-a support disk; 110-mounting plate A; 111-rear support; 112-a wheel carrier; 113-a guide wheel; 114-motor D; 115-transmission mechanism B; 120-mounting plate B; 121-grinding wheel frame; 122-a grinding wheel; 123-motor C; 124-motor E; 125-transmission C; 130-a pallet; 131-motor a; 132-an arc support; 133-angle sensor; 140-motor B; 141-ball screw; 142-a feed screw nut; 143-guide bar; 144-a rocker; 145-pedestal bearing; 150-a carrier; 151-motor F; 152-transmission mechanism D; 160-a finisher; 170-magnetic grid ruler; 180-transmission mechanism A; 200-workpiece.
Detailed Description
As shown in figures 1-3, a centerless cylindrical grinding device for rod-shaped materials comprises a machine table, a mounting plate A and a mounting plate B which can move left and right are arranged on the machine table, a rear bracket is arranged on the upper end surface of the mounting plate A, a guide wheel bracket is hinged on the rear bracket, a guide wheel for providing forward power for a workpiece is arranged in the guide wheel bracket, a support plate is arranged below the guide wheel bracket, a motor A for driving the guide wheel to rotate is arranged on the support plate, a motor B capable of adjusting the inclination angle of the support plate is also arranged on the upper end surface of the mounting plate A, a ball screw connected with an output shaft of the motor B is arranged along the front end of the motor B, a screw nut is sleeved on the ball screw, a guide rod is arranged on the other side of the screw nut in a penetrating manner, a rocker is hinged on the screw nut, one, the rocker is hinged with the bearing with the seat, an angle sensor capable of detecting the inclination angle of the supporting plate is arranged on the supporting plate, a grinding wheel frame is arranged on the upper end face of the mounting plate B, a grinding wheel used for grinding a workpiece is arranged in the grinding wheel frame, a motor C used for driving the grinding wheel to rotate is arranged at the rear end of the mounting plate B, the motor C is fixed on the mounting plate B, and a bracket used for supporting the workpiece and capable of moving up and down is arranged between the guide wheel frame and the grinding wheel frame.
In this embodiment, be provided with the motor D that can promote mounting panel a horizontal migration at mounting panel a lower extreme, be provided with the motor E that can promote mounting panel B horizontal migration at mounting panel B lower extreme, be provided with the motor F that can promote the bracket and reciprocate below the bracket, be provided with drive mechanism B between mounting panel a and the motor D, drive mechanism B is the combination of band pulley drive mechanism and screw nut drive mechanism, is provided with drive mechanism C between mounting panel B and the motor E, drive mechanism C is the combination of band pulley drive mechanism and screw nut drive mechanism, is provided with drive mechanism D between bracket and motor F, and drive mechanism D is crank rocker drive mechanism.
In this embodiment, be provided with the arc support that supports on mounting panel a and can roll relative mounting panel a below the layer board, be provided with the supporting disk that is used for holding the wheel lubricant between arc support and mounting panel a.
In this embodiment, the guide wheel frame and the grinding wheel frame are both provided with a dresser for dressing the grinding wheel and the guide wheel.
In this embodiment, magnetic grid rulers for detecting the displacement conditions of the mounting plate a and the mounting plate B are arranged between the machine table and the mounting plate a and between the machine table and the mounting plate B.
In this embodiment, transmission mechanisms a are respectively disposed between the guide wheel and the motor a and between the grinding wheel and the motor C, and the transmission mechanisms a are belt wheel transmission mechanisms.
In this embodiment, the motor a and the motor C are both three-phase asynchronous motors, and the motor B, the motor D, the motor E, and the motor F are all servo motors.
In this embodiment, still include the controller, the controller respectively with motor A, motor B, motor C, motor D, electric E, electric F between electric connection, the controller still with angle sensor, magnetic grid chi between electric connection.
The specific implementation process comprises the following steps:
(1) inputting the diameter parameter of the workpiece into a controller, and enabling the controller to calculate the displacement of the guide wheel frame, the grinding wheel frame and the supporting plate when the guide wheel frame, the grinding wheel frame and the supporting plate move from the current position to the position of polishing the workpiece according to the diameter parameter of the workpiece;
(2) when a workpiece is polished, the controller controls the motor A and the motor C to continuously rotate, and simultaneously controls the motor D, the motor E and the motor F to respectively rotate a certain angle, the motor D rotates to drive the mounting plate A to move, the motor E rotates to drive the mounting plate B to move, the magnetic grid ruler can detect the positions of the mounting plate A and the mounting plate B in the moving process of the mounting plate A and the mounting plate B, when the positions of the mounting plate A and the mounting plate B reach the position corresponding to the diameter parameter of the workpiece, the motor D and the motor E stop rotating, the distance between the grinding wheel and the guide wheel meets the process requirement of grinding the workpiece, the motor F rotates to drive the bracket to ascend, so that the workpiece is supported by the bracket when entering the polishing mechanism, the rotating angle of the motor F corresponds to the diameter parameter item of the workpiece, and the motor A and the motor C continuously rotate to drive the grinding wheel and the, the grinding wheel can grind a workpiece on the supporting plate through rotation, the guide wheel can drive the workpiece to move forwards, in the grinding process, when the advancing speed of the workpiece needs to be adjusted, the motor B is controlled by the controller to rotate forwards or backwards for a certain angle, the supporting plate is driven to rotate through the transmission of the ball screw, the screw nut, the guide rod and the rocker, the supporting plate is pulled to rotate, the supporting plate rotates to drive the guide wheel frame to rotate for a certain angle around a hinged shaft between the guide wheel frame and the rear support, the guide wheel frame rotates to enable the inclination angle of the guide wheel to be adjusted, the advancing speed of the ground workpiece is adjusted, the inclination angle of the supporting plate is detected by the angle sensor in real time, data is transmitted to the controller, in the rotating process of the supporting plate, the arc-shaped support rolls in the supporting plate.
The above-mentioned operation flow and software and hardware configuration are only used as the preferred embodiment of the present invention, and not to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or directly or indirectly applied to the related art, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a rod-shaped material centerless excircle grinding device which characterized in that: the device comprises a machine table, wherein a mounting plate A and a mounting plate B which can move left and right are arranged on the machine table, a rear support is arranged on the upper end surface of the mounting plate A, a guide wheel frame is hinged on the rear support, a guide wheel for providing forward power for a workpiece is arranged in the guide wheel frame, a supporting plate is arranged below the guide wheel frame, a motor A for driving the guide wheel to rotate is arranged on the supporting plate, a motor B capable of adjusting the inclination angle of the supporting plate is also arranged on the upper end surface of the mounting plate A, a ball screw connected with an output shaft of the motor B is arranged along the front end of the motor B, a screw nut is sleeved on the ball screw, a guide rod is arranged on the other side of the screw nut in a penetrating manner, a rocker is hinged on the screw nut, one end of the rocker is hinged on the screw nut, a mounting seat fixedly arranged, an arc-shaped support which is supported on the mounting plate A and can roll relative to the mounting plate A is arranged below the supporting plate, a supporting plate used for containing lubricating oil is arranged between the arc-shaped support and the mounting plate A, a grinding carriage is arranged on the upper end face of the mounting plate B, a grinding wheel used for grinding a workpiece is arranged in the grinding carriage, a motor C used for driving the grinding wheel to rotate is arranged at the rear end of the mounting plate B, the motor C is fixed on the mounting plate B, and a bracket which is used for supporting the workpiece and can move up and down is arranged between the guide wheel frame and the grinding wheel frame.
2. The centerless cylindrical grinding device for rod-shaped materials according to claim 1, wherein: be provided with the motor D that can promote mounting panel A horizontal migration at mounting panel A lower extreme, be provided with the motor E that can promote mounting panel B horizontal migration at mounting panel B lower extreme, be provided with the motor F that can promote the bracket and reciprocate below the bracket, be provided with drive mechanism B between mounting panel A and the motor D, drive mechanism B is pulley drive and screw nut drive's combination, is provided with drive mechanism C between mounting panel B and the motor E, drive mechanism C is pulley drive and screw nut drive's combination, is provided with drive mechanism D between bracket and motor F, and drive mechanism D is crank rocker drive.
3. The centerless cylindrical grinding device of any one of claim 1, wherein: the guide wheel frame and the grinding wheel frame are both provided with a dresser for dressing the grinding wheel and the guide wheel.
4. The centerless cylindrical grinding device for rod-shaped materials according to claim 2, wherein: and magnetic grid rulers for detecting the displacement conditions of the mounting plate A and the mounting plate B are arranged between the machine platform and the mounting plate A and between the machine platform and the mounting plate B.
5. The centerless cylindrical grinding device of any one of claim 1, wherein: and transmission mechanisms A are arranged between the guide wheel and the motor A and between the grinding wheel and the motor C, and are belt wheel transmission mechanisms.
6. The centerless cylindrical grinding device for rod-shaped materials according to claim 2, wherein: the motor A and the motor C are both three-phase asynchronous motors, and the motor B, the motor D, the motor E and the motor F are all servo motors.
7. The centerless cylindrical grinding device for rod-shaped materials according to claim 4, wherein: the controller is electrically connected with the motor A, the motor B, the motor C, the motor D, the motor E and the motor F respectively, and is also electrically connected with the angle sensor and the magnetic grid ruler.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811585870.4A CN109571164B (en) | 2018-12-25 | 2018-12-25 | Centerless cylindrical grinding device for rod-shaped materials |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811585870.4A CN109571164B (en) | 2018-12-25 | 2018-12-25 | Centerless cylindrical grinding device for rod-shaped materials |
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CN109571164A CN109571164A (en) | 2019-04-05 |
CN109571164B true CN109571164B (en) | 2021-05-18 |
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CN201811585870.4A Expired - Fee Related CN109571164B (en) | 2018-12-25 | 2018-12-25 | Centerless cylindrical grinding device for rod-shaped materials |
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CN111716165A (en) * | 2020-06-19 | 2020-09-29 | 绍兴上虞弘鑫精密制造有限公司 | Centerless grinding system for machining piston rod of automobile damper |
CN111823075A (en) * | 2020-08-02 | 2020-10-27 | 沈樑 | Centerless grinding machine for processing diameter of tungsten steel bar |
CN112059752B (en) * | 2020-09-09 | 2021-11-30 | 马鞍山中金超硬材料科技发展有限公司 | Centerless grinding taper workpiece tool clamp and clamping process thereof |
CN112589553B (en) * | 2021-01-07 | 2022-01-04 | 杭州冀新机械制造有限公司 | Centerless grinding machine capable of automatically correcting abrasion of grinding wheel |
CN114131449B (en) * | 2021-12-02 | 2023-01-06 | 杭州迈恩科技有限公司 | Processing device of pipette |
CN115338767B (en) * | 2022-10-18 | 2023-03-21 | 江苏佳晟精密设备科技有限公司 | Feeding device and method of polishing machine |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08155800A (en) * | 1994-12-07 | 1996-06-18 | Micron Seimitsu Kk | Method and equipment for conducting simultaneous centerless grinding of inner & outer circumference of cylindrical member |
CN1525899A (en) * | 2001-08-14 | 2004-09-01 | ����� | Centreless grinding process of cylindrical surfaces and apparatus for making the same |
CN203650149U (en) * | 2013-11-27 | 2014-06-18 | 浙江胜坚轴承机械有限公司 | Centerless grinding machine |
CN107405752A (en) * | 2014-10-13 | 2017-11-28 | 汉斯-威廉·莫拉 | For not being in the mood for the device of circle grinding and for the method using the device for being used to not be in the mood for circle grinding |
CN107520694A (en) * | 2017-10-11 | 2017-12-29 | 江苏新合益机械有限公司 | One kind grinding production line |
CN207387258U (en) * | 2017-09-05 | 2018-05-22 | 无锡中伦科技有限公司 | Numerical control centerless grinder |
-
2018
- 2018-12-25 CN CN201811585870.4A patent/CN109571164B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08155800A (en) * | 1994-12-07 | 1996-06-18 | Micron Seimitsu Kk | Method and equipment for conducting simultaneous centerless grinding of inner & outer circumference of cylindrical member |
CN1525899A (en) * | 2001-08-14 | 2004-09-01 | ����� | Centreless grinding process of cylindrical surfaces and apparatus for making the same |
CN203650149U (en) * | 2013-11-27 | 2014-06-18 | 浙江胜坚轴承机械有限公司 | Centerless grinding machine |
CN107405752A (en) * | 2014-10-13 | 2017-11-28 | 汉斯-威廉·莫拉 | For not being in the mood for the device of circle grinding and for the method using the device for being used to not be in the mood for circle grinding |
CN207387258U (en) * | 2017-09-05 | 2018-05-22 | 无锡中伦科技有限公司 | Numerical control centerless grinder |
CN107520694A (en) * | 2017-10-11 | 2017-12-29 | 江苏新合益机械有限公司 | One kind grinding production line |
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