阅读说明：本技术 一种具备安全防护功能的电机外壳修整打磨装置 (Motor housing trimming and grinding device with safety protection function ) 是由 刘伟 刘诗传 余有龙 彭本耀 赵怀强 徐宏伟 于 2021-09-13 设计创作，主要内容包括：本发明属于电机外壳加工技术领域,尤其是一种具备安全防护功能的电机外壳修整打磨装置,现提出如下方案,包括储液箱,所述储液箱内部设置有喷洒组件,所述储液箱顶端固定有外壳,所述外壳内部设置有固定组件和打磨组件；所述喷洒组件包括开设在储液箱内部底端的储液槽,所述储液槽底部内侧壁固定有复位弹簧。本发明通过设置的喷洒组件使得圆盘带动环形板转动的过程中,带动导流管内冷却液流动,从而便于对第一驱动电机和打磨处同时进行散热,通过设置的第二驱动电机带动第一螺杆和第二螺杆同时转动,便于同时对固定板和打磨机构的位置进行调节,满足不同直径工件的加工需求,实现自动打磨,提高打磨安全性。(The invention belongs to the technical field of motor shell processing, and particularly relates to a motor shell trimming and polishing device with a safety protection function, which comprises a liquid storage tank, wherein a spraying assembly is arranged in the liquid storage tank, a shell is fixed at the top end of the liquid storage tank, and a fixing assembly and a polishing assembly are arranged in the shell; the spraying assembly comprises a liquid storage tank arranged at the bottom end inside the liquid storage tank, and a return spring is fixed on the inner side wall of the bottom of the liquid storage tank. According to the invention, in the process that the disc drives the annular plate to rotate through the arranged spraying assembly, the cooling liquid in the flow guide pipe is driven to flow, so that the first driving motor and the polishing part can be conveniently and simultaneously cooled, the first screw rod and the second screw rod are driven to simultaneously rotate through the arranged second driving motor, the positions of the fixing plate and the polishing mechanism can be conveniently and simultaneously adjusted, the processing requirements of workpieces with different diameters are met, automatic polishing is realized, and the polishing safety is improved.)

1. A motor shell trimming and polishing device with a safety protection function comprises a liquid storage tank (1) and is characterized in that a spraying assembly (2) is arranged inside the liquid storage tank (1), a shell (3) is fixed at the top end of the liquid storage tank (1), and a fixing assembly (4) and a polishing assembly (5) are arranged inside the shell (3);

the spraying component (2) comprises a liquid storage tank (21) arranged at the bottom end in the liquid storage tank (1), a return spring (22) is fixed on the inner side wall of the bottom of the liquid storage tank (21), a piston (23) is fixed at the top end of the return spring (22), an inclined block (24) is fixed at the top end of the piston (23), a ring-shaped plate (25) which is movably sleeved with the bottom of the shell (1) is abutted against the upper part of the inclined block (24), a disc (26) is fixed at the top end of the ring-shaped plate (25), the disc (26) is rotatably sleeved with the shell (1), a toothed ring is fixed on the outer ring of the disc (26), a gear is meshed with the toothed ring, and the gear is rotationally sleeved in the inner wall of the bottom of the shell (1), the gear is fixed with a first driving motor (27) which is coaxially arranged, and a mounting seat (28) is fixed on the outer side of the first driving motor (27), and the mounting seat (28) is fixedly connected with the inner wall of the liquid storage box (1).

2. The motor housing trimming and grinding device with the safety protection function according to claim 1, wherein the fixing component (4) comprises two first mounting plates (41) symmetrically fixed at the top end of the disc (26), a fourth guide post is fixedly connected at the top end of the two first mounting plates (41), two groups of fourth guide posts are slidably sleeved with the same first clamping plate (42) arranged along the vertical direction, the inner ring of the first clamping plate (42) is symmetrically hinged with a first driving rod (43), one ends of the two groups of first driving rods (43) far away from the adjacent first clamping plate (42) are hinged with a second mounting plate (44), a guiding telescopic rod is fixed between the second mounting plate (44) and the adjacent first mounting plate (41), and a first electric push rod (45) is fixed at one end of the second mounting plate (44) far away from the first driving rod (43), one end of the first electric push rod (45) far away from the second mounting plate (44) is fixed with a fixing plate (46) with a circular arc-shaped structure, one end of the first clamping plate (42) far away from the first driving rod (43) is provided with a clamping groove, the clamping groove is clamped with a second clamping plate (47), the inner thread of the second clamping plate (47) is sleeved with a first screw rod (48), and the first screw rod (48) is rotatably sleeved with the shell (3).

3. The motor housing trimming and grinding device with safety protection function as claimed in claim 1, characterized in that the grinding component (5) comprises a second screw rod (51) which is rotationally sleeved with the top wall of the shell (3), a third mounting plate (52) is sleeved on the outer ring of the second screw (51) in a threaded manner, two ends of the third mounting plate (52) are respectively hinged with a second driving rod (53), one end of the second driving rod (53) far away from the third mounting plate (52) is hinged with a sliding block (54), the two groups of sliding blocks (54) are sleeved with the same first guide rod (55) in a sliding way, and both ends of the first guide rod (55) are fixedly connected with the inner wall of the shell (3), the bottom end of the sliding block (54) is fixed with a second electric push rod (56), and a fourth mounting plate is fixed at the bottom end of the second electric push rod (56), and a polishing mechanism (57) and a spray head (58) are fixed at the bottom end of the fourth mounting plate.

4. The motor housing trimming and grinding device with the safety protection function as claimed in claim 2, wherein a second guide rod is fixed at the bottom end inside the housing (3), and a second through hole matched with the second guide rod for sliding use is formed inside the second clamping plate (47).

5. The motor housing trimming and polishing device with the safety protection function as claimed in claim 3, wherein a third guide rod is fixed at the top end of the inner wall of the housing (3), and a third through hole matched with the third guide rod for sliding use is formed in the third mounting plate (52).

6. The motor housing trimming and polishing device with the safety protection function according to claim 1, wherein a flow guide channel is formed inside the liquid storage tank (21), an output end of the flow guide channel is connected with a flow guide pipe, the flow guide pipe is wound around an outer ring of the first driving motor (27), an output end of the flow guide pipe is connected with the spray head (58), a fourth guide rod is fixed at a bottom end inside the liquid storage tank (21), a fourth through hole matched with the fourth guide rod for sliding use is formed inside the piston (23), and a one-way valve is installed inside the piston (23).

7. The motor housing trimming and grinding device with the safety protection function as claimed in claim 1, wherein a groove is formed at the bottom end of the annular plate (24), and an inclined surface for extruding the inclined block (25) is arranged on one side inside the groove.

8. The motor housing trimming and grinding device with the safety protection function according to claim 3, wherein a second driving motor is connected to the bottom end of the second screw (51) and is fixedly connected with the top end of the housing (3), a first chain wheel is fixed to the outer ring of the second screw (51), a chain is connected to the outer ring of the first chain wheel in a meshed manner, a second chain wheel is connected to the inner ring of the chain in a meshed manner, and the second chain wheel is fixedly connected with the first screw (48).

9. The motor housing trimming and grinding device with the safety protection function as claimed in claim 3, wherein the grinding mechanism (57) comprises a third driving motor fixedly connected with a fourth mounting plate, and a grinding head is connected to an output end of the third driving motor.

Technical Field

The invention relates to the technical field of motor shell processing, in particular to a motor shell trimming and polishing device with a safety protection function.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law, the motor is represented by a letter M in a circuit, the motor mainly has the function of generating driving torque and is used as a power source of an electric appliance or various machines, a motor shell is particularly important in motor composition, the motor shell needs to be trimmed and polished in order to improve the quality of the motor shell in production and processing, but the conventional shell polishing is usually realized manually, the manual polishing safety is low, time and labor are wasted, and meanwhile, water needs to be sprayed to a polishing part in the polishing process to achieve the purposes of cooling and restraining dust flying, so that the motor shell trimming and polishing device with a safety protection function is needed.

Disclosure of Invention

The invention provides a motor shell trimming and polishing device with a safety protection function, which solves the problems in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a motor shell trimming and polishing device with a safety protection function comprises a liquid storage tank, wherein a spraying assembly is arranged in the liquid storage tank, a shell is fixed at the top end of the liquid storage tank, and a fixing assembly and a polishing assembly are arranged in the shell;

the spraying assembly comprises a liquid storage tank arranged at the bottom end inside the liquid storage tank, a reset spring is fixed to the inner side wall at the bottom of the liquid storage tank, a piston is fixed to the top end of the reset spring, an inclined block is fixed to the top end of the piston, the inclined block is abutted to an annular plate movably sleeved with the bottom of the shell, a disc is fixed to the top end of the annular plate, the disc is rotatably sleeved with the shell, a toothed ring is fixed to the outer ring of the disc, the toothed ring is meshed with a gear, the gear is rotatably sleeved in the inner wall of the bottom of the shell, the gear is fixed with a first driving motor coaxially arranged, a mounting seat is fixed to the outer side of the first driving motor, and the mounting seat is fixedly connected with the inner wall of the liquid storage tank.

Preferably, the fixing component comprises two first mounting plates symmetrically fixed at the top end of the disc, the top ends of the two first mounting plates are fixedly connected with fourth guide posts, two groups of fourth guide posts are slidably sleeved with the same first clamping plate arranged along the vertical direction, the inner circle of the first clamping plate is symmetrically hinged with first driving rods, one ends of the two groups of first driving rods far away from the adjacent first clamping plate are hinged with second mounting plates, a guiding telescopic rod is fixed between the second mounting plate and the adjacent first mounting plate, one end of the second mounting plate far away from the first driving rod is fixed with a first electric push rod, one end of the first electric push rod far away from the second mounting plate is fixed with a fixing plate with a circular arc structure, one end of the first clamping plate far away from the first driving rod is provided with a clamping groove, the clamping groove is clamped with a second clamping plate, and the inner thread of the second clamping plate is sleeved with a first screw rod, and the first screw rod is rotatably sleeved with the shell.

Preferably, the polishing assembly comprises a second screw rod which is rotatably sleeved with the top wall of the shell, a third mounting plate is sleeved on the outer ring of the second screw rod in a threaded manner, second driving rods are hinged to two ends of the third mounting plate, one end, far away from the second driving rods, of the third mounting plate is hinged to a sliding block, the sliding block is slidably sleeved with a first guide rod, two ends of the first guide rod are fixedly connected with the inner wall of the shell, a second electric push rod is fixed to the bottom end of the sliding block, a fourth mounting plate is fixed to the bottom end of the second electric push rod, and a polishing mechanism and a sprayer are fixed to the bottom end of the fourth mounting plate.

Preferably, a second guide rod is fixed at the bottom end inside the shell, and a second through hole matched with the second guide rod for sliding use is formed inside the second clamping plate.

Preferably, a third guide rod is fixed to the top end of the inner wall of the shell, and a third through hole matched with the third guide rod for sliding use is formed in the third mounting plate.

Preferably, a diversion channel is formed inside the liquid storage tank, the output end of the diversion channel is connected with a diversion pipe, the diversion pipe is wound on the outer ring of the first driving motor, the output end of the diversion pipe is connected with the spray head, a fourth guide rod is fixed at the bottom end inside the liquid storage tank, a fourth through hole matched with the fourth guide rod for sliding use is formed inside the piston, and a one-way valve is arranged inside the piston.

Preferably, a groove is formed in the bottom end of the annular plate, and an inclined plane used for extruding the inclined block is arranged on one side inside the groove.

Preferably, the bottom end of the second screw is connected with a second driving motor, the second driving motor is fixedly connected with the top end of the shell, a first chain wheel is fixed on the outer ring of the second screw, the outer ring of the first chain wheel is meshed with a chain, the chain is far away from the inner ring and is meshed with a second chain wheel, and the second chain wheel is fixedly connected with the first screw.

Preferably, the polishing mechanism comprises a third driving motor fixedly connected with a fourth mounting plate, and the output end of the third driving motor is connected with a polishing head.

According to the invention, in the process that the disc drives the annular plate to rotate through the arranged spraying assembly, the cooling liquid in the flow guide pipe is driven to flow, so that the first driving motor and the polishing part can be conveniently and simultaneously cooled, the first screw rod and the second screw rod are driven to simultaneously rotate through the arranged second driving motor, the positions of the fixing plate and the polishing mechanism can be conveniently and simultaneously adjusted, the processing requirements of workpieces with different diameters are met, automatic polishing is realized, and the polishing safety is improved.

Drawings

Fig. 1 is a front sectional view of the overall structure of a motor housing trimming and polishing device with a safety protection function according to the present invention;

fig. 2 is a schematic view of a fixing assembly mounting structure of a motor housing trimming and polishing device with a safety protection function according to the present invention;

fig. 3 is a schematic view of a spraying assembly mounting structure of a motor housing trimming and polishing device with a safety protection function according to the present invention;

fig. 4 is an enlarged schematic view of a structure at a point a in fig. 3 of the motor housing trimming and polishing device with a safety protection function according to the present invention;

fig. 5 is a top view of an internal structure of a liquid storage tank of the motor housing trimming and polishing device with a safety protection function according to the present invention.

In the figure: 1. a liquid storage tank; 2. a spray assembly; 21. a liquid storage tank; 22. a return spring; 23. a piston; 24. a sloping block; 25. an annular plate; 26. a disc; 27. a first drive motor; 28. a mounting seat; 3. a housing; 4. a fixing assembly; 41. a first mounting plate; 42. a first clamping plate; 43. a first drive lever; 44. a second mounting plate; 45. a first electric push rod; 46. a fixing plate; 47. a second clamping plate; 48. a first screw; 5. polishing the assembly; 51. a second screw; 52. a third mounting plate; 53. a second drive lever; 54. a slider; 55. a first guide bar; 56. a second electric push rod; 57. a polishing mechanism; 58. and (4) a spray head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a motor housing trimming and polishing device with a safety protection function comprises a liquid storage tank 1, a spraying assembly 2 is arranged in the liquid storage tank 1, a housing 3 is fixed at the top end of the liquid storage tank 1, and a fixing assembly 4 and a polishing assembly 5 are arranged in the housing 3;

the spraying component 2 comprises a liquid storage tank 21 arranged at the bottom end in the liquid storage tank 1, a return spring 22 is fixed on the inner side wall of the bottom of the liquid storage tank 21, a piston 23 is fixed at the top end of the return spring 22, an inclined block 24 is fixed at the top end of the piston 23, a same annular plate 25 movably sleeved with the bottom of the shell 1 is abutted above the inclined block 24, a disc 26 is fixed at the top end of the annular plate 25, and the disc 26 is rotatably sleeved with the shell 1, a toothed ring is fixed on the outer ring of the disc 26, a gear is meshed with the toothed ring, and the gear rotates and is cup jointed in the inner wall of the bottom of the outer casing 1, the gear is fixed with a first driving motor 27 which is coaxially arranged, the outer side of the first driving motor 27 is fixed with a mounting seat 28, the mounting seat 28 is fixedly connected with the inner wall of the liquid storage tank 1, the circular disc 26 drives the annular plate 25 to rotate together when rotating, the inclined plane of the groove at the bottom end of the annular plate 25 downwards extrudes the inclined block 24, the inclined block 24 drives the piston 23 to downwards move, and the piston 23 extrudes cooling liquid in the liquid storage tank 21.

Further, the fixing component 4 comprises two first mounting plates 41 symmetrically fixed on the top end of the disc 26, the top ends of the two first mounting plates 41 are fixedly connected with fourth guide posts, the outer rings of two groups of fourth guide posts are slidably sleeved with the same first clamping plate 42 arranged along the vertical direction, the inner rings of the first clamping plates 42 are symmetrically hinged with first driving rods 43, one ends of the two first driving rods 43 far away from the adjacent first clamping plate 42 are hinged with second mounting plates 44, a guiding telescopic rod is fixed between the second mounting plates 44 and the adjacent first mounting plates 41, one end of the second mounting plates 44 far away from the first driving rods 43 is fixed with a first electric push rod 45, one end of the first electric push rod 45 far away from the second mounting plates 44 is fixed with a fixing plate 46 with a circular arc structure, one end of the first clamping plate 42 far away from the first driving rods 43 is provided with a clamping groove, the clamping groove is clamped with a second clamping plate 47, the internal thread of the second clamping plate 47 is sleeved with a first screw 48, and first screw 48 and shell 3 rotate to cup joint, and when first screw 48 rotated, drive second cardboard 47 up-and-down motion, when second cardboard 47 up-and-down motion, second cardboard 47 drove second mounting panel 44 horizontal motion through first actuating lever 43 to be convenient for adjust the position of fixed plate 46.

Further, the polishing assembly 5 comprises a second screw 51 rotatably sleeved with the top wall of the housing 3, a third mounting plate 52 is sleeved on the outer ring of the second screw 51 in a threaded manner, two ends of the third mounting plate 52 are respectively hinged with a second driving rod 53, one end of the second driving rod 53 far away from the third mounting plate 52 is hinged with a sliding block 54, two groups of sliding blocks 54 are slidably sleeved with the same first guide rod 55, and both ends of the first guide rod 55 are fixedly connected with the inner wall of the shell 3, the bottom end of the slide block 54 is fixedly provided with a second electric push rod 56, the bottom end of the second electric push rod 56 is fixedly provided with a fourth mounting plate, the bottom end of the fourth mounting plate is fixedly provided with a polishing mechanism 57 and a spray head 58, the second screw 51 drives the third mounting plate 52 to move up and down when rotating, the third mounting plate 52 drives the slide block 54 to move horizontally along the first guide rod 55 through the second driving rod 53, thereby adjusting the position of the grinding mechanism 57 and meeting the processing requirements of workpieces with different diameters.

Further, the inside bottom mounting of shell 3 has the second guide bar, and the inside second through-hole that has seted up the cooperation second guide bar and slide and use of second cardboard 47, and when first screw rod 48 rotated, because second cardboard 47 closes with first screw rod 48 soon through the screw thread and is connected, and second cardboard 47 receives the restriction of second guide bar can not rotate, so when first screw rod 48 rotated, drives second cardboard 47 up-and-down motion.

Furthermore, a third guide rod is fixed at the top end of the inner wall of the shell 3, a third through hole matched with the third guide rod for sliding use is formed in the third mounting plate 52, when the second screw 51 rotates, the third mounting plate 52 is limited by the second guide rod and cannot rotate, and the second screw 51 is screwed with the third mounting plate 52 through threads, so that the third mounting plate 52 moves up and down when the second screw 51 rotates.

Further, the inside water conservancy diversion passageway of having seted up of reservoir 21, water conservancy diversion passageway output is connected with the honeycomb duct, the honeycomb duct winding is in first driving motor 27 outer lane, the honeycomb duct output is connected with shower nozzle 58, the inside bottom mounting of reservoir 21 has the fourth guide bar, piston 23 is inside to be seted up the fourth through-hole of cooperation fourth guide bar slip use, piston 23 internally mounted has the check valve, coolant liquid in the reservoir 21 receives piston 23's extrusion to pass through the water conservancy diversion passageway, honeycomb duct and shower nozzle 58 blowout, be convenient for wash the department of polishing, the heat that first driving motor 27 during operation produced is taken away to the coolant liquid of flow in the honeycomb duct simultaneously.

Furthermore, the bottom end of the annular plate 24 is provided with a groove, and one side inside the groove is provided with an inclined surface for extruding the inclined block 25.

Furthermore, the bottom end of the second screw rod 51 is connected with a second driving motor, the second driving motor is fixedly connected with the top end of the shell 3, a first chain wheel is fixed on the outer ring of the second screw rod 51, the outer ring of the first chain wheel is meshed with a chain, the chain is far away from the inner ring and is meshed with a second chain wheel, the second chain wheel is fixedly connected with the first screw rod 48, and the second driving motor drives the first screw rod 48 and the second screw rod 51 to rotate together.

Further, the polishing mechanism 57 includes a third driving motor fixedly connected to the fourth mounting plate, and the output end of the third driving motor is connected to a polishing head, so that polishing can be conveniently performed.

The working principle is as follows: when the device is used, a workpiece is placed on the disc 26, the first electric push rod 45 is started, the first electric push rod 45 drives the fixing plates 46 to move, the disc 26 is fixed between the two fixing plates 46, the first driving motor 27 drives the disc 26 to rotate through the gear and the toothed ring, so that the fixing plates 46 drive the workpiece to rotate, the polishing mechanism 57 finishes and polishes the top end of the workpiece, the disc 26 drives the annular plate 25 to rotate together when rotating, the inclined block 24 is downwards extruded by the groove inclined plane at the bottom end of the annular plate 25, the inclined block 24 drives the piston 23 to downwards move, the piston 23 extrudes cooling liquid in the liquid storage tank 21 to a flow guide pipeline and a connecting pipe, so that the cooling liquid in the connecting pipe flows, when the cooling liquid passes through the connecting pipe, the first driving motor 27 in the mounting seat 28 is cooled, then the polished part is washed and cooled through the spray head 58, when workpieces with different diameters need to be polished, the second driving motor is started, the second driving motor drives the first screw 48 and the second screw 51 to rotate simultaneously through the first chain wheel, the second chain wheel and the chain, when the first screw 48 rotates, since the second catch plate 47 is screwed with the first screw 48, and the second catch plate 47 is restricted by the second guide rod from rotating, therefore, when the first screw rod 48 rotates, the second locking plate 47 is driven to move up and down along the fourth guiding post, when the second locking plate 47 moves up and down, the second mounting plate 44 is driven to move horizontally by the first driving rod 43, thereby facilitating the adjustment of the position of the fixed plate 46. similarly, when the second screw 51 rotates, the third mounting plate 52 moves up and down, the third mounting plate 52 drives the slider 54 to move horizontally along the first guide rod 55 via the second driving rod 53, therefore, the position of the polishing mechanism 57 is adjusted, and the processing requirements of workpieces with different diameters are met; the device drives the cooling liquid in the guide pipe to flow in the process that the disc 26 drives the annular plate 25 to rotate through the arranged spraying assembly 2, so that the first driving motor 27 and a polishing part can be conveniently and simultaneously cooled, the first screw 48 and the second screw 51 are driven to simultaneously rotate through the arranged second driving motor, so that the positions of the fixing plate 46 and the polishing mechanism 57 can be conveniently and simultaneously adjusted, the processing requirements of workpieces with different diameters are met, the workpieces are placed on the disc 26, the first electric push rod 45 is started, the first electric push rod 45 drives the fixing plate 46 to move, the disc 26 is fixed between the two fixing plates 46, the first driving motor 27 drives the disc 26 to rotate through gears and toothed rings, so that the workpieces are driven to rotate through the fixing plate 46, the polishing mechanism 57 finishes and polishes the top ends of the workpieces, the annular plate 25 is driven to rotate together when the disc 26 rotates, the inclined plane of the groove at the bottom end of the annular plate 25 downwards extrudes the inclined block 24, the sloping block 24 drives the piston 23 to move downwards, the piston 23 extrudes the cooling liquid in the liquid storage tank 21 into the flow guide pipeline and the connecting pipe, thereby driving the cooling liquid in the connecting pipe to flow, when the cooling liquid passes through the connecting pipe, the first driving motor 27 in the mounting seat 28 is cooled, then the nozzle 58 is used for washing and cooling the grinding part, when workpieces with different diameters are required to be ground, the second driving motor is started, the second driving motor drives the first screw 48 and the second screw 51 to rotate simultaneously through the first chain wheel, the second chain wheel and the chain, when the first screw 48 rotates, because the second clamping plate 47 is connected with the first screw 48 in a screwing way through threads, and the second clamping plate 47 is limited by the second guide rod to be incapable of rotating, when the first screw 48 rotates, the second clamping plate 47 is driven to move up and down, when the second clamping plate 47 moves up and down, the second mounting plate 44 is driven by the first driving rod 43 to move horizontally, therefore, the position of the fixing plate 46 can be conveniently adjusted, similarly, the second screw 51 drives the third mounting plate 52 to move up and down when rotating, the third mounting plate 52 drives the slider 54 to horizontally move along the first guide rod 55 through the second driving rod 53, so that the position of the polishing mechanism 57 can be adjusted, and the processing requirements of workpieces with different diameters can be met; the device makes disc 26 drive annular plate 25 pivoted in-process through the subassembly 2 that sprays that sets up, drives the honeycomb duct internal cooling liquid and flows to be convenient for dispel the heat simultaneously to first driving motor 27 and department of polishing, drive first screw rod 48 and second screw rod 51 and rotate simultaneously through the second driving motor who sets up, be convenient for adjust the position of fixed plate 46 and grinding machanism 57 simultaneously, satisfy the processing demand of different diameter work pieces.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.