CN208744501U - A kind of grinding device with elevating function - Google Patents
A kind of grinding device with elevating function Download PDFInfo
- Publication number
- CN208744501U CN208744501U CN201821458065.0U CN201821458065U CN208744501U CN 208744501 U CN208744501 U CN 208744501U CN 201821458065 U CN201821458065 U CN 201821458065U CN 208744501 U CN208744501 U CN 208744501U
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- shell
- bottom end
- connecting rod
- socketed
- rotation axis
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The utility model relates to technical fields of mechanical processing, more particularly to a kind of grinding device with elevating function, including shell, lifting device is provided at the top of shell, lifting device includes lifting motor, the right side power output end of lifting motor is provided with upper conical wheel, rotation axis is symmetrically arranged at left and right sides of the top of shell, the top of rotation axis is socketed with belt pulley, belt is connected between two groups of belt pulleys, the lateral wall of left pivot movement axis is socketed with inferior pyramidal wheel, the bottom end of rotation axis is socketed with screw shell, the side wall that two groups of screw shells are located remotely from each other side is provided with first connecting rod, the bottom end of first connecting rod is hinged with articulation piece, the bottom end of articulation piece is hinged with the second connecting rod, the bottom end of second connecting rod is provided with movable block, the utility model can solve lifting device structure and be not sufficiently stable, using effect is bad, and not Damping device is set, the problem of vibration generated in bruting process may will affect the accuracy for result of polishing.
Description
Technical field
The utility model relates to technical fields of mechanical processing, and in particular to a kind of grinding device with elevating function.
Background technique
Steel plate plays this great function in China's economic development, and in social all trades and professions, the use of steel plate is wider
General, Plate Production industry is also relatively burning hoter, and steel plate provides essential materials for support to the rapid development of social economy, pushes away
The rapid development of the China Dong Liao economy.It in Plate Production process, needs to carry out polishing derusting to surface of steel plate, to improve
The service life of steel plate.Existing steel plate derusting device can only unidirectionally be derusted, when polishing derusting when the side of steel plate
After iron rust removal is clean, steel plate is carried out to turn over around reason, to remove the iron rust of the steel plate other side, greatly reduces steel plate
Rust cleaning efficiency.
For this purpose, those skilled in the technology concerned improve this, if Chinese Patent Application No. is application number
" a kind of derusting grinding device and its application method suitable for building iron material " that CN201710267967.X is proposed, including move
Dynamic seat, universal wheel, telescopic rod, sucker, spring, pedestal, housing, groove, slide plate, hydraulic cylinder, rotating electric machine, bracket, character cut in bas-relief frame,
Gripping block, screw rod, handle, top cover, sliding rail, polishing motor and grinding head；The lower surface of the Mobile base is fixedly connected with several
Universal wheel；The fixing end of the telescopic rod is fixedly connected on the lower surface center of Mobile base；The activity of the telescopic rod
A sucker is fixedly connected on end；The upper surface of the Mobile base is fixedly connected with several springs；The top of the spring is solid
Surely it is connected with a pedestal；The top of the pedestal is fixedly connected with a housing；The left and right chamber of the housing chamber interior
Wall is equipped with groove；Slide plate is slidably connected on the groove；The fixing end of the hydraulic cylinder is fixedly connected on base upper surface
On center；The movable end of the hydraulic cylinder is fixedly connected on the lower surface of slide plate；On the center of the slide plate upper surface
It is fixedly connected with a rotating electric machine；The outer surface of the rotating electric machine is equipped with a bracket；The output shaft of the rotating electric machine
On be fixedly connected with a character cut in bas-relief frame.Lifting device structure is not sufficiently stable in this application file, and using effect is bad, and not set
Damping device, the vibration generated in bruting process may will affect the accuracy of polishing result.
It is not sufficiently stable to solve lifting device structure, using effect is bad, and not set damping device, in bruting process
The vibration of generation may will affect the problem of accuracy of polishing result, for this purpose, we design a kind of beating with elevating function
Mill apparatus.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of grinding device with elevating function, solves
Lifting device structure is not sufficiently stable, and using effect is bad, and not set damping device, and the vibration generated in bruting process may
The problem of influencing the accuracy of polishing result.
The utility model is achieved by the following technical programs:
A kind of grinding device with elevating function, including shell are provided with lifting device at the top of the shell, described
Lifting device includes lifting motor, and the right side power output end of the lifting motor is provided with upper conical wheel, the top of the shell
Rotation axis is symmetrically arranged at left and right sides of portion, and the inner cavity of shell, the top socket of the rotation axis are protruded into the bottom end of rotation axis
There is belt pulley, belt is connected between belt pulley described in two groups, the lateral wall of the left side rotation axis is socketed with inferior pyramidal wheel, and
Inferior pyramidal wheel engages connection with upper conical wheel, and the bottom end of the rotation axis is socketed with screw shell, screw shell phase described in two groups
Mutually the side wall far from side is provided with first connecting rod, and the bottom end of the first connecting rod is hinged with articulation piece, and two groups hinged
Part is slidably connected with the left and right sidewall of shell inner cavity respectively, and the bottom end of the articulation piece is hinged with the second connecting rod, and described second
The bottom end of connecting rod is provided with movable block, slide bar is provided in the inner cavity of the shell, and slide bar is slidably connected with movable block, and
Respectively with the left and right sidewall Joint of shell inner cavity, the bottom of the movable block is hinged with third connection for the left and right ends of slide bar
Bar, and the bottom end of third connecting rod slidably connects polishing motor, the bottom power output end of the polishing motor, which is provided with, to be beaten
Bistrique, the bottom of the shell are provided with damping device, cleaning device are provided at the top of the shell, and cleaning device is located at
The right side of right side rotation axis.
Preferably, the damping device includes support plate, is symmetrically arranged at left and right sides of the bottom of the support plate flexible
Bar, the telescopic end of the telescopic rod are socketed with the first damping spring, and the bottom center of the support plate is provided with support rod, and
The lateral wall of support rod is socketed with the second damping spring, and the bottom end of the support rod is provided with surge tank, and the bottom end of support rod
Protrude into the inner cavity of surge tank, and the second damping spring is between support plate and surge tank, the left and right two of the support rod lower end
Side is symmetrically arranged with push rod, and the bottom end of push rod is rotatably connected to limit plate, and the intracavity bottom of limit plate and surge tank slides
Connection, limit plate described in two groups are connected with third damping spring, the damping between the left and right sidewall of damping box cavity respectively
Position-limiting drum is provided at the intracavity bottom center of case, the bottom end of the support rod is connected with pressing plate, the bottom of the pressing plate and limit
The 4th damping spring is provided between the intracavity bottom of position cylinder, be can reduce by the way that damping device is arranged and is generated in bruting process
Shake the influence to polishing result accuracy.
Preferably, the cleaning device includes water tank, is provided with spray head on the right side of the inner cavity top of the shell, and spray head with
Water tank is connected, and setting cleaning device can not only wash away the scrap generated in bruting process, reduces scrap and is discharged into the external world
Amount in environment, grinding head can generate higher temperature in polishing, and setting cleaning device can also reduce the temperature of grinding head.
Preferably, the bottom of the lifting motor is provided with electric machine support, and heat dissipation is offered at the top of the electric machine support
Slot, lifting motor can generate heat during the work time, and the radiating efficiency of lifting motor can be improved in setting radiating groove.
Preferably, the contact position of the movable block and slide bar is provided with sliding sleeve, can reduce abrasion.
The utility model has the following beneficial effects: the structure design of the utility model is reasonable, first, can by setting lifting device
It to control the distance between grinding head and material to be polished well, can according to need to change polishing intensity, improve and beat
The flexibility of mill apparatus；
The second, vibration can be generated during the grinding process, and support plate moves down, and squeezes telescopic rod, then telescopic rod is flexible
End, which moves down, squeezes the first damping spring, generates first time damping effect, support rod moves down, then support rod moves down
Upper end squeeze the second damping spring, generate second of damping effect, push rod push sliding block sliding, limit plate squeeze third damping
Spring, generates third time damping effect, and the bottom end of support rod squeezes pressing plate in the intracavity sidewall slide downward of position-limiting drum, squeezes the
Four damping springs generate the 4th damping effect, by this four dampings, can be very good to reduce the vibration pair generated when polishing
The influence for result accuracy of polishing；
Third, setting cleaning device can not only wash away the scrap generated in bruting process, and reduction scrap is discharged into outer
Amount in boundary's environment, grinding head can generate higher temperature in polishing, and setting cleaning device can also reduce the temperature of grinding head.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the lifting device structure schematic diagram of the utility model；
Fig. 3 is the damping device structural schematic diagram of the utility model.
In figure: 1- shell, 2- lifting device, 201- lifting motor, the upper conical wheel of 202-, 203- rotation axis, 204- belt
Wheel, 205- belt, 206- inferior pyramidal wheel, 207- screw shell, 208- first connecting rod, 209- articulation piece, the connection of 210- second
Bar, 211- movable block, 212- slide bar, 213- third connecting rod, 214- polishing motor, 215- grinding head, 3- damping device, 301-
Support plate, 302- telescopic rod, the first damping spring of 303-, 304- support rod, the second damping spring of 305-, 306- surge tank,
307- push rod, 308- limit plate, 309- third damping spring, 310- position-limiting drum, 311- pressing plate, the 4th damping spring of 312-, 4-
Cleaning device, 41- water tank, 42- spray head.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Referring to Fig. 1-3: a kind of grinding device with elevating function, including shell 1, the top of shell 1 are provided with lifting
Device 2, lifting device 2 include lifting motor 201, and the bottom of lifting motor 201 is provided with electric machine support, the top of electric machine support
Radiating groove is offered, lifting motor 201 can generate heat during the work time, and lifting motor 201 can be improved in setting radiating groove
Radiating efficiency, the right side power output end of lifting motor 201 is provided with upper conical wheel 202, right at left and right sides of the top of shell 1
Title is provided with rotation axis 203, and the inner cavity of shell 1 is protruded into the bottom end of rotation axis 203, and the top of rotation axis 203 is socketed with belt
204 to be taken turns, is connected with belt 205 between two groups of belt pulleys 204, the lateral wall of left pivot movement axis 203 is socketed with inferior pyramidal wheel 206,
And inferior pyramidal wheel 206 engages connection with upper conical wheel 202, the bottom end of rotation axis 203 is socketed with screw shell 207, two groups of screw threads
The side wall that sleeve 207 is located remotely from each other side is provided with first connecting rod 208, and the bottom end of first connecting rod 208 is hinged with articulation piece
209, and left and right sidewall of two groups of articulation pieces 209 respectively with 1 inner cavity of shell is slidably connected, the bottom end of articulation piece 209 is hinged with
Two connecting rods 210, the bottom end of the second connecting rod 210 are provided with movable block 211, and slide bar 212 is provided in the inner cavity of shell 1, and
Slide bar 212 is slidably connected with movable block 211, and the contact position of movable block 211 and slide bar 212 is provided with sliding sleeve, can reduce abrasion,
And the left and right sidewall Joint with 1 inner cavity of shell, the bottom of movable block 211 are hinged with third respectively for the left and right ends of slide bar 212
Connecting rod 213, and the bottom end of third connecting rod 213 slidably connects polishing motor 214, the bottom power for motor 214 of polishing is defeated
Outlet is provided with grinding head 215, and the bottom of shell 1 is provided with damping device 3, and damping device 3 includes support plate 301, support plate
It is symmetrically arranged with telescopic rod 302 at left and right sides of 301 bottom, the telescopic end of telescopic rod 302 is socketed with the first damping spring 303,
The bottom center of support plate 301 is provided with support rod 304, and the lateral wall of support rod 304 is socketed with the second damping spring
305, the bottom end of support rod 304 is provided with surge tank 306, and the inner cavity of surge tank 306, and are protruded into the bottom end of support rod 304
Two damping springs 305 are symmetrically arranged at left and right sides of 304 lower end of support rod and push away between support plate 301 and surge tank 306
Bar 307, and the bottom end of push rod 307 is rotatably connected to limit plate 308, and the intracavity bottom of limit plate 308 and surge tank 306 slides
Connection, two groups of limit plates 308 are connected with third damping spring 309, damping between the left and right sidewall of 306 inner cavity of surge tank respectively
Position-limiting drum 310 is provided at the intracavity bottom center of case 306, the bottom end of support rod 304 is connected with pressing plate 311, the bottom of pressing plate 311
It is provided with the 4th damping spring 312 between portion and the intracavity bottom of position-limiting drum 310, can reduce polishing by the way that damping device is arranged
Influence of the vibration generated in the process to polishing result accuracy, the top of shell 1 is provided with cleaning device 4, and cleaning device 4
Positioned at the right side of right side rotation axis 203, cleaning device 4 includes water tank 41, is provided with spray head 42 on the right side of the inner cavity top of shell 1,
And spray head 42 is connected with water tank 41, setting cleaning device 4 can not only wash away the scrap generated in bruting process, reduce useless
Consider the amount being discharged into external environment to be worth doing, grinding head 215 can generate higher temperature in polishing, and setting cleaning device 4 can also drop
The temperature of low grinding head 215.
When the utility model is used, starting lifting motor 201 rotate forward, then lifting motor 201 drive it is upper conical wheel 202 into
203 top of rotation axis of row rotation, the left and right sides is socketed with belt pulley 204, and the belt pulley 204 of the left and right sides passes through skin
Band 205 connects, so upper conical wheel 202 drives inferior pyramidal wheel 206 to rotate, and then drives the rotation axis 203 in left side to rotate, left side
Rotation axis 203 by belt pulley 204 and belt 205 drive on the right side of rotation axis 203 rotated, due to two groups of rotation axis
Lower end is threaded with screw shell 207, and screw shell 207 is connect by first connecting rod 208 with articulation piece 209, and is cut with scissors
Fitting 209 is connect with shell inner cavity side walls, so screw shell 207 can be moved down in the lateral wall of rotation axis 203, then
209 slide downward of articulation piece, articulation piece 209 are connect by the second connecting rod 210 with movable block 211, then two groups of 211 meetings of movable block
To movement at center on slide bar 212, the bottom end of movable block 211 is rotatably connected to third connecting rod 213, and third connecting rod
212 bottom end slidably connect polishing motor 214, so polishing motor 214 can move down, and then drive grinding head 215 to
Lower movement, starting lifting motor 201 invert, then motor 214 of polishing can rise, and can generate vibration, support plate during the grinding process
301 move down, and squeeze telescopic rod 302, then the telescopic end of telescopic rod 302, which moves down, squeezes the first damping spring 303, generate
First time damping effect, support rod 304 move down, then the upper end that support rod 304 moves down squeezes the second damping spring, produce
Raw second of damping effect, push rod 307 push sliding block 308 to slide, and limit plate squeezes third damping spring 309, generate third time
Damping effect, the bottom end of support rod 304 squeeze pressing plate 311 in the intracavity sidewall slide downward of position-limiting drum, squeeze the 4th damping bullet
Spring generates the 4th damping effect, by this four dampings, can be very good to reduce the vibration generated when polishing to polishing result
The influence of accuracy, water when polishing in water tank 41 carry out cleaning cooling to grinding device by spray head 42.
The lifting motor and polishing motor being previously mentioned in above-described embodiment are facile electric elements, and lifting in the market
The mature technology that motor and polishing motor are grasped by those skilled in the art, in the present embodiment only carries out using not it
Its structure and function is changed, and lifting motor and polishing motor are equipped with the control switch to match with it, switch position
Specific restriction can be done according to actual use situation by setting.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (5)
1. a kind of grinding device with elevating function, it is characterised in that: including shell (1), the top of the shell (1) is arranged
Have lifting device (2), the lifting device (2) includes lifting motor (201), and the right side power of the lifting motor (201) is defeated
Outlet is provided with upper conical wheel (202), is symmetrically arranged with rotation axis (203) at left and right sides of the top of the shell (1), and rotates
The inner cavity of shell (1) is protruded into the bottom end of axis (203), and the top of the rotation axis (203) is socketed with belt pulley (204), two groups of institutes
It states and is connected between belt pulley (204) belt (205), the lateral wall of the left side rotation axis (203) is socketed with inferior pyramidal wheel
(206), and inferior pyramidal wheel (206) with upper conical wheel (202) engages connection, and the bottom end of the rotation axis (203) is socketed with screw thread
Sleeve (207), the side wall that screw shell described in two groups (207) is located remotely from each other side are provided with first connecting rod (208), and described
The bottom end of one connecting rod (208) is hinged with articulation piece (209), and two groups of articulation pieces (209) left and right with shell (1) inner cavity respectively
Side walls connection, the bottom end of the articulation piece (209) are hinged with the second connecting rod (210), second connecting rod (210)
Bottom end is provided with movable block (211), is provided with slide bar (212) in the inner cavity of the shell (1), and slide bar (212) and movable block
(211) it is slidably connected, and the left and right ends of slide bar (212) the left and right sidewall Joint with shell (1) inner cavity respectively, the activity
The bottom of block (211) is hinged with third connecting rod (213), and the bottom end of third connecting rod (213) slidably connects polishing motor
(214), the bottom power output end of polishing motor (214) is provided with grinding head (215), and the bottom of the shell (1) is set
It is equipped with damping device (3), is provided with cleaning device (4) at the top of the shell (1), and cleaning device (4) is located at right side rotation
The right side of axis (203).
2. a kind of grinding device with elevating function according to claim 1, it is characterised in that: the damping device
(3) include support plate (301), be symmetrically arranged with telescopic rod (302) at left and right sides of the bottom of the support plate (301), it is described to stretch
The telescopic end of contracting bar (302) is socketed with the first damping spring (303), and the bottom center of the support plate (301) is provided with branch
Strut (304), and the lateral wall of support rod (304) is socketed with the second damping spring (305), the bottom end of the support rod (304)
It is provided with surge tank (306), and the inner cavity of surge tank (306), and the second damping spring are protruded into the bottom end of support rod (304)
(305) it between support plate (301) and surge tank (306), is symmetrically arranged at left and right sides of support rod (304) lower end
Push rod (307), and the bottom end of push rod (307) is rotatably connected to limit plate (308), and limit plate (308) and surge tank (306)
Intracavity bottom is slidably connected, and limit plate described in two groups (308) is connected between the left and right sidewall of surge tank (306) inner cavity respectively
Third damping spring (309) is provided with position-limiting drum (310), the support rod at the intracavity bottom center of the surge tank (306)
(304) bottom end is connected with pressing plate (311), is arranged between the bottom of the pressing plate (311) and the intracavity bottom of position-limiting drum (310)
There is the 4th damping spring (312).
3. a kind of grinding device with elevating function according to claim 1, it is characterised in that: the cleaning device
(4) include water tank (41), be provided with spray head (42) on the right side of the inner cavity top of the shell (1), and spray head (42) and water tank (41)
It is connected.
4. a kind of grinding device with elevating function according to claim 1, it is characterised in that: the lifting motor
(201) bottom is provided with electric machine support, offers radiating groove at the top of the electric machine support.
5. a kind of grinding device with elevating function according to claim 1, it is characterised in that: the movable block
(211) contact position of slide bar (212) is provided with sliding sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821458065.0U CN208744501U (en) | 2018-09-06 | 2018-09-06 | A kind of grinding device with elevating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821458065.0U CN208744501U (en) | 2018-09-06 | 2018-09-06 | A kind of grinding device with elevating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208744501U true CN208744501U (en) | 2019-04-16 |
Family
ID=66083101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821458065.0U Expired - Fee Related CN208744501U (en) | 2018-09-06 | 2018-09-06 | A kind of grinding device with elevating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208744501U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434709A (en) * | 2019-08-09 | 2019-11-12 | 三门前庭机械科技有限公司 | A kind of grinding device for boron nitride crucible |
| CN110722315A (en) * | 2019-10-29 | 2020-01-24 | 重庆经纬驰汽车部件有限公司 | Anchor clamps lift brace table |
| CN110900370A (en) * | 2019-12-02 | 2020-03-24 | 南京视莱尔汽车电子有限公司 | Automatic grinding device of automobile-used intelligent (window) curtain electric motor rotor |
| CN110977733A (en) * | 2019-11-11 | 2020-04-10 | 于洪海 | High-precision polishing machine capable of controlling polishing precision |
| CN111014973A (en) * | 2019-11-28 | 2020-04-17 | 杭州科技职业技术学院 | Circulating transportation method for automatic production line for laser cutting of metal plates |
| CN112025446A (en) * | 2020-08-13 | 2020-12-04 | 福建巨邦机械有限公司 | Automatic grinding machine for granite |
| CN112435871A (en) * | 2020-12-16 | 2021-03-02 | 扬州日精电子有限公司 | Novel metallized film capacitor winding machine |
| CN112428146A (en) * | 2020-11-19 | 2021-03-02 | 宁波晟利紧固件有限公司 | Metal product processing operation device with workpiece protection function |
| CN114770323A (en) * | 2022-05-26 | 2022-07-22 | 衢州学院 | Online multifunctional surface repairing and processing device for large-scale mechanical equipment |
-
2018
- 2018-09-06 CN CN201821458065.0U patent/CN208744501U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434709A (en) * | 2019-08-09 | 2019-11-12 | 三门前庭机械科技有限公司 | A kind of grinding device for boron nitride crucible |
| CN110434709B (en) * | 2019-08-09 | 2020-07-28 | 惠安县易尚手新材料有限公司 | A grinding device for boron nitride crucible |
| CN110722315A (en) * | 2019-10-29 | 2020-01-24 | 重庆经纬驰汽车部件有限公司 | Anchor clamps lift brace table |
| CN110722315B (en) * | 2019-10-29 | 2022-03-04 | 重庆经纬驰汽车部件有限公司 | Anchor clamps lift brace table |
| CN110977733A (en) * | 2019-11-11 | 2020-04-10 | 于洪海 | High-precision polishing machine capable of controlling polishing precision |
| CN111014973A (en) * | 2019-11-28 | 2020-04-17 | 杭州科技职业技术学院 | Circulating transportation method for automatic production line for laser cutting of metal plates |
| CN111014973B (en) * | 2019-11-28 | 2021-08-24 | 杭州科技职业技术学院 | Circulating transportation method for automatic production line for laser cutting of metal plates |
| CN110900370B (en) * | 2019-12-02 | 2021-04-23 | 南京视莱尔汽车电子有限公司 | Automatic grinding device of intelligence (window) curtain electric motor rotor |
| CN110900370A (en) * | 2019-12-02 | 2020-03-24 | 南京视莱尔汽车电子有限公司 | Automatic grinding device of automobile-used intelligent (window) curtain electric motor rotor |
| CN112025446A (en) * | 2020-08-13 | 2020-12-04 | 福建巨邦机械有限公司 | Automatic grinding machine for granite |
| CN112428146A (en) * | 2020-11-19 | 2021-03-02 | 宁波晟利紧固件有限公司 | Metal product processing operation device with workpiece protection function |
| CN112435871A (en) * | 2020-12-16 | 2021-03-02 | 扬州日精电子有限公司 | Novel metallized film capacitor winding machine |
| CN114770323A (en) * | 2022-05-26 | 2022-07-22 | 衢州学院 | Online multifunctional surface repairing and processing device for large-scale mechanical equipment |
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