CN207771493U - A kind of circular grinding device - Google Patents
A kind of circular grinding device Download PDFInfo
- Publication number
- CN207771493U CN207771493U CN201721740778.1U CN201721740778U CN207771493U CN 207771493 U CN207771493 U CN 207771493U CN 201721740778 U CN201721740778 U CN 201721740778U CN 207771493 U CN207771493 U CN 207771493U
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- grinding
- fixed plate
- groove
- motor
- controller
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- 238000000227 grinding Methods 0.000 title claims abstract description 90
- 239000007921 spray Substances 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 239000010410 layer Substances 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000003754 machining Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model discloses a kind of circular grinding devices, belong to machining eyeglass field, and circular grinding device includes grinding mechanism, feed rods, receiver, rotating mechanism, fixing device and controller.Circular grinding device disclosed by the utility model can realize that high-efficiency automatic produces, and improve production efficiency and reduce production cost, and can also improve the contraposition rate of precision of eyeglass, reduce the position deviation of eyeglass, improve grinding quality.
Description
Technical field
The utility model is related to machining eyeglass fields, and in particular to a kind of circular grinding device.
Background technology
Eyeglass, eyeglass are also known as the mirror heart, are the picture hearts after support mounting, suitable for folding up in frame, therefore claim the mirror heart, form
It is horizontal, vertical all can, be a kind of simple, easily fill formula, eyeglass is a kind of curved surface transparent material gone out by glass or resin ground,
It can be used for observe things, make things occur it is clear, greater or lesser, commonly used in camera gun, glasses, telescope or
Person's camera lens etc., previous lapping mode are that use is thrown at disk pitch low speed, are increased with the demand in market, this grinding
Equipment needs a large amount of manual operation, and serious waste human resources, grinding efficiency is low and production cost is high, and holds in manual operation
Easily there is deviation, influences the grinding quality of eyeglass.
Utility model content
In order to overcome the deficiencies of existing technologies, the technical problem to be solved by the utility model is to propose that a kind of cycle is ground
Mill apparatus can realize that high-efficiency automatic produces, and improve production efficiency and reduce production cost, and can also improve eyeglass
Contraposition rate of precision, reduce the position deviation of eyeglass, improve grinding quality.
For this purpose, the utility model uses following technical scheme：
The utility model provides a kind of circular grinding device, including grinding mechanism, feed rods, receiver, rotating mechanism,
Fixing device and controller, the fixing device are arranged below rotating mechanism, and the feed rods are cylinder structure, institute
It is spherical structure corresponding with lens shape to state at the top of feed rods, and the receiver is cuboid hatch frame；
The grinding mechanism includes first motor, grinding shaft and grinding head, and the grinding head is hemispherical configuration, described
Grinding head spherical shape is corresponding with eyeglass to be processed, and the spherical surface of the grinding head is set up, and the first motor setting exists
Below grinding head, the grinding shaft is arranged in grinding head bottom, and the grinding head passes through grinding shaft and the first motor shaft
Connect；
The rotating mechanism includes the second motor, rotating bracket and rotation axis composition, and the rotating bracket is by three cross
Bar forms, and the cross bar is located in same level, and one end of three cross bars is fixed together, between the cross bar
Angle be 120 degree, the rotation axis is vertically set on the fixed connection place of three cross bars, is fixed with the rotating bracket
Connection, second motor are arranged at the top of rotation axis, and the rotating bracket passes through rotation axis and the second machine shaft phase
It connects；
The fixing device includes cylinder, fixed plate, suction nozzle, groove, infrared transmitter and infrared remote receiver, the gas
Cylinder is fixed at the cross bar bottom, and the cylinder is connected by push rod with the fixed plate, and the fixed plate bottom surface is water
Average face, the groove are arranged on fixed plate bottom surface, and the groove is completely embedded into the setting of fixed plate bottom inside, the groove
It is correspondingly arranged with grinding head spherical shape, the groove center and is surrounded by through-hole；
The suction nozzle is arranged in fixed plate, and the suction nozzle fitting setting is in groove top, the suction nozzle and the through-hole
Setting is communicated, infrared transmitter is arranged in fixed plate bottom surface left end, and the infrared remote receiver is correspondingly arranged with infrared transmitter
In fixed plate bottom surface right end；
The feed rods, receiver and grinding mechanism are separately positioned below fixed plate, and the controller setting is turning
Outside motivation structure, the first motor, the second motor, cylinder, suction nozzle, infrared transmitter and infrared remote receiver with the control
Device circuit connection processed.
In the utility model preferably technical solution, temperature sensor is set, the temperature passes inside the grinding head
Sensor is connect with controller circuitry, can detect grinding head temperature in real time, prevents the excessively high damage eyeglass of temperature.
In the utility model preferably technical solution, temperature warning lamp, the temperature are set on the controller surface
Warning lamp is connect with controller circuitry, and when the temperature is excessively high, controller start-up temperature warning lamp reminds staff.
In the utility model preferably technical solution, cooling device, the cooling dress is arranged in the grinding mechanism side
It sets including pedestal, support of pipelines and spray head, the pedestal is arranged in the side of first motor, and the support of pipelines is fixed
It is arranged in base top, the spray head is fixed at the top of support of pipelines, and the spray head communicates setting with support of pipelines,
To grinding head spraying cooling liquid, while grinding dust is cleared up, purifies working environment.
In the utility model preferably technical solution, solenoid valve, the solenoid valve and control are set on the support of pipelines
Device circuit connection processed can control the size of the spray liquid scale of construction by controller, and optimization production will not be unrestrained because of a large amount of sprays
Expense liquid or spray flux are very few and cause cooling capacity insufficient.
In the utility model preferably technical solution, rubber layer, the rubber are correspondingly arranged on the groove outer surface
Glue-line is bonded setting with groove, provides the eyeglass in groove certain protection, prevents eyeglass from being damaged in process of lapping.
In the utility model preferably technical solution, in the receiver interior surface be arranged sponge protective layer, into
Enter the eyeglass in collector and improves certain protective effect.
In the utility model preferably technical solution, fixed seat is arranged in the feed rods bottom, is set in the fixed seat
Threaded passage is set, fixed seat is fixed across threaded passage by bolt, improves its stability, is more convenient groove and suction nozzle
Feeding.
In the utility model preferably technical solution, setting contraposition warning lamp on the controller surface, when eyeglass position
It is equipped with mistake, eyeglass protrudes from when influencing infrared remote receiver reception signal outside groove, and controller opens contraposition warning lamp, reminds work
Personnel.
In the utility model preferably technical solution, mobile pulley is arranged in the receiver bottom, is moved easily reception
Device.
The beneficial effects of the utility model are：
The process of lapping is divided into feeding, added by circular grinding device provided by the utility model by the way that rotating mechanism is arranged
Work, discharging three parts, are provided with rotating bracket, and 120 degree of the rotation every time of the second motor makes feeding, processing, discharging three parts process
It is carried out at the same time, constitutes a kind of cyclic process structure, substantially increase the degree of automation of machining eyeglass, improve production efficiency
And production cost is reduced, by being provided with fixing device, groove and suction nozzle realize the fixation to eyeglass, red by being arranged
External transmitter and infrared remote receiver, infrared transmitter emits in optical signals to infrared remote receiver, if lens position is wrong, mirror
Piece protrudes from outside groove, then is reflected to the optical signal of infrared transmitter transmitting, and the signal for influencing infrared remote receiver receives, then
Controller, which judges that lens position is incorrect and controls first motor, to be started, and the contraposition accuracy rate of eyeglass is improved, and reduce
The position deviation of eyeglass improves grinding quality；
Mechanism is ground by setting, drives grinding head to the mirror in the fixing device above grinding head by first motor
Piece is ground；By the way that feed rods, eyeglass placement to be processed and the groove and suction nozzle that in feed rods, enable fixing device is arranged
Feeding is carried out from feed rods；By the way that receiver is arranged, for collecting eyeglass after processing is completed；By the way that controller is arranged to whole
A production process is controlled, and efficient automated production is realized.
Description of the drawings
Fig. 1 is the overlooking structure diagram for the circular grinding device that the utility model specific embodiment provides；
Fig. 2 is the faces the A structural schematic diagram for the circular grinding device that the utility model specific embodiment provides；
Fig. 3 is the faces the B structural schematic diagram for the circular grinding device that the utility model specific embodiment provides；
Fig. 4 is the groove structure schematic diagram for the circular grinding device that the utility model specific embodiment provides；
Fig. 5 is the controller architecture schematic diagram for the circular grinding device that the utility model specific embodiment provides.
In figure：
1, mechanism is ground；11, first motor；12, grinding shaft；13, grinding head, 14, temperature sensor；2, feed rods；21、
Fixed seat；22, threaded passage；3, receiver；31, sponge protective layer；32, mobile pulley；4, rotating mechanism；41, the second motor；
42, rotating bracket；421, cross bar；43, rotation axis；5, fixing device；51, cylinder；52, fixed plate；53, suction nozzle；54, groove；
541, through-hole；55, infrared transmitter；56, infrared remote receiver；57, rubber layer；6, controller；61, temperature warning lamp；62, it aligns
Warning lamp；7, cooling device；71, pedestal；72, support of pipelines；73, spray head；74, solenoid valve.
Specific implementation mode
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Figures 1 to 5, a kind of circular grinding device is provided in embodiment,
Including grinding mechanism 1, feed rods 2, receiver 3, rotating mechanism 4, fixing device 5 and controller 6, fixing device
5 are arranged below rotating mechanism 4, and feed rods 2 are cylinder structure, and 2 top of feed rods is ball corresponding with lens shape
Face structure, receiver 3 are cuboid hatch frame；
It includes first motor 11, grinding shaft 12 and grinding head 13 to grind mechanism 1, and grinding head 13 is hemispherical configuration, is ground
13 spherical shape of bistrique is corresponding with eyeglass to be processed, and the spherical surface of grinding head 13 is set up, and the setting of first motor 11 is being ground
First 13 lower section, grinding shaft 12 are arranged in 13 bottom of grinding head, and grinding head 13 is connected by grinding shaft 12 with 11 shaft of first motor；
Rotating mechanism 4 includes that the second motor 41, rotating bracket 42 and rotation axis 43 form, and rotating bracket 42 is by three cross
Bar 421 forms, and cross bar 421 is located in same level, and one end of three cross bars 421 is fixed together, between cross bar 421
Angle be 120 degree, rotation axis 43 is vertically set on the fixed connection place of three cross bars 421, is fixedly connected with rotating bracket 42,
The setting of second motor 41 is connected by rotation axis 43 with 41 shaft of the second motor in 43 top of rotation axis, rotating bracket 42；
Fixing device 5 includes cylinder 51, fixed plate 52, suction nozzle 53, groove 54, infrared transmitter 55 and infrared remote receiver
563, cylinder 51 is fixed at 421 bottom of cross bar, and cylinder 51 is connected by push rod with fixed plate 52, and 52 bottom surface of fixed plate is water
Average face, groove 54 be arranged on 52 bottom surface of fixed plate, groove 54 be completely embedded into 52 bottom inside of fixed plate setting, groove 54 with
13 spherical shape of grinding head is correspondingly arranged, and 54 center of groove and is surrounded by through-hole 541；
Suction nozzle 53 is arranged in fixed plate 52, and the fitting of suction nozzle 53 setting is communicated in 54 top of groove, suction nozzle 53 with through-hole 541
Infrared transmitter 55 is arranged in setting, 52 bottom surface left end of fixed plate, and infrared remote receiver 563 is correspondingly arranged at solid with infrared transmitter 55
52 bottom surface right end of fixed board；
Feed rods 2, receiver 3 and grinding mechanism 1 are separately positioned on 52 lower section of fixed plate, and the setting of controller 6 is rotating
Outside mechanism 4, first motor 11, the second motor 41, cylinder 51, suction nozzle 53, infrared transmitter 55 and infrared remote receiver 563 are equal
It is connect with 6 circuit of controller；
Temperature sensor 14 is arranged in 13 inside of grinding head, and temperature sensor 14 connect with 6 circuit of controller, can examine in real time
13 temperature of grinding head is surveyed, the excessively high damage eyeglass of temperature is prevented；
Temperature warning lamp 61 is set on 6 surface of controller, and temperature warning lamp 61 is connect with 6 circuit of controller, when temperature mistake
Gao Shi, 6 start-up temperature warning lamp 61 of controller remind staff；
It grinds 1 side of mechanism and cooling device 7 is set, cooling device 7 includes pedestal 71, support of pipelines 72 and spray head
73, pedestal 71 is arranged in the side of first motor 11, and support of pipelines 72 is fixed at 71 top of pedestal, and the fixation of spray head 73 is set
It sets at 72 top of support of pipelines, spray head 73 communicates setting with support of pipelines 72, to 13 spraying cooling liquid of grinding head, and meanwhile it is clear
Grinding dust is managed, working environment is purified；
Solenoid valve 74 is set on support of pipelines 72, and solenoid valve 74 connect with 6 circuit of controller, can be controlled by controller 6
The size of the spray liquid scale of construction processed, optimization production, will not waste liquid because of a large amount of sprays or spray flux is very few and cause to drop
Warm scarce capacity；
Rubber layer 57 is correspondingly arranged on 54 outer surface of groove, rubber layer 57 is bonded setting with groove 54, in groove 54
Eyeglass certain protection is provided, prevent eyeglass from being damaged in process of lapping；
Sponge protective layer 31 is set in 3 interior surface of receiver, certain guarantor is improved to entering the eyeglass in collector
Shield acts on；
Fixed seat 21 is arranged in 2 bottom of feed rods, and duct 22 is threaded in fixed seat 21, and threaded passage is passed through by bolt
22 fix fixed seat 21, improve its stability, are more convenient the feeding of groove 54 and suction nozzle 53；
Setting contraposition warning lamp 62 on 6 surface of controller, when lens position is wrong, eyeglass protrude from influenced outside groove 54 it is red
When outer receiver 563 receives signal, controller 6 opens contraposition warning lamp 62, reminds staff；
Mobile pulley 32 is arranged in 3 bottom of receiver, is moved easily receiver 3；
By the way that rotating mechanism 4 is arranged, which is divided into feeding, processing, discharging three parts, is provided with rotating bracket
42, the second 120 degree of rotation every time of motor 41 makes feeding, processing, discharging three parts process be carried out at the same time, constitutes a kind of cycle
Structure is processed, the degree of automation of machining eyeglass is substantially increased, improves production efficiency and reduce production cost, by setting
Fixing device 5 is set, groove 54 and suction nozzle 53 realize the fixation to eyeglass, by the way that infrared transmitter 55 and infrared is arranged
Receiver 563, infrared transmitter 55 emit in optical signals to infrared remote receiver 563, if lens position is wrong, eyeglass protrudes from
Outside groove 54, then the optical signal emitted infrared transmitter 55 reflects, and the signal for influencing infrared remote receiver 563 receives, then
Controller 6, which judges that lens position is incorrect and controls first motor 11, to be started, and improve the contraposition accuracy rate of eyeglass, subtract
The position deviation of few eyeglass, improves grinding quality；
Mechanism 1 is ground by setting, driving grinding head 13 by first motor 11,13 top of grinding head is fixed to be filled to being located at
The eyeglass set in 5 is ground；By the way that feed rods 2 are arranged, eyeglass to be processed is placed in feed rods 2, and the recessed of fixing device 5 is made
Slot 54 can carry out feeding with suction nozzle 53 from feed rods 2；By the way that receiver 3 is arranged, for collecting eyeglass after processing is completed；
Entire production process is controlled by the way that controller 6 is arranged, realizes efficient automated production.
Second motor of the control of controller 6,41 120 degree of rotation every time, the fixing device 5 of 2 top of feed rods is from feed rods 2
Fixed plate 52 is pushed to move down by the push rod of cylinder 51,53 feeding rear fixed plate 52 of suction nozzle moves up；Grind the fixation of 1 top of mechanism
Device 5 pushes fixed plate 52 to move down by the push rod of cylinder 51, while controller 6 starts first motor 11, keeps grinding head 13 right
Processing is ground by 53 fixed eyeglass of suction nozzle in groove 54, after processing is completed, fixed plate 52 moves up；3 top of receiver
Fixing device 5 push fixed plate 52 to move down by the push rod of cylinder 51, suction nozzle 53 stops fixing len, and eyeglass is made to drop to receipts
On storage；After fixing device 5 is respectively completed respective process, controller 6 controls the second motor 41 and is rotated further 120 degree, receiver 3
The fixing device 5 of top is moved to 2 top feeding of feed rods, and the fixing device 5 of 2 top of feed rods is moved in grinding mechanism 1
Fang Jinhang lens grindings are processed, and 5 mobile receiver of fixing device, 3 top of 1 top of grinding mechanism carries out discharging, and then is followed with this
Ring forms the automatic process of an eyeglass.
The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality
In the case of with novel spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality
It is not limited to the particular embodiment disclosed with novel, other embodiments fallen into claims hereof all belong to
In the range of the utility model protection.
Claims (10)
1. a kind of circular grinding device, it is characterised in that：
Including grinding mechanism, feed rods, receiver, rotating mechanism, fixing device and controller, the fixing device setting exists
Below rotating mechanism, the feed rods are cylinder structure, are spherical structure at the top of the feed rods, and the receiver is length
Cube hatch frame；
The grinding mechanism includes first motor, grinding shaft and grinding head, and the grinding head is hemispherical configuration, the grinding
The spherical surface of head is set up, and the first motor is arranged below grinding head, and the grinding shaft setting is described in grinding head bottom
Grinding head is connected by grinding shaft with the first motor shaft；
The rotating mechanism includes the second motor, rotating bracket and rotation axis composition, and the rotating bracket is by three cross bar groups
At the cross bar is located in same level, and one end of three cross bars is fixed together, the folder between the cross bar
Angle is 120 degree, and the rotation axis is vertically set on the fixed connection place of three cross bars, fixes and connects with the rotating bracket
It connects, second motor is arranged at the top of rotation axis, and the rotating bracket is connected by rotation axis with second machine shaft；
The fixing device includes cylinder, fixed plate, suction nozzle, groove, infrared transmitter and infrared remote receiver, and the cylinder is solid
Fixed to be arranged in the cross bar bottom, the cylinder is connected by push rod with the fixed plate, and the fixed plate bottom surface is horizontal flat
Face, the groove are arranged on fixed plate bottom surface, and the groove is completely embedded into the setting of fixed plate bottom inside, the groove with grind
Bistrique spherical shape is correspondingly arranged, and the groove center and is surrounded by through-hole；
The suction nozzle is arranged in fixed plate, and the suction nozzle fitting is arranged in groove top, and the suction nozzle is communicated with the through-hole
Infrared transmitter is arranged in setting, fixed plate bottom surface left end, and the infrared remote receiver is correspondingly arranged at institute with infrared transmitter
State fixed plate bottom surface right end；
The feed rods, receiver and grinding mechanism are separately positioned below fixed plate, and the controller is arranged in rotating machine
Outside structure, the first motor, the second motor, cylinder, suction nozzle, infrared transmitter and infrared remote receiver with the controller
Circuit connects.
2. circular grinding device according to claim 1, it is characterised in that：
Temperature sensor is set inside the grinding head, and the temperature sensor is connect with controller circuitry.
3. circular grinding device according to claim 1, it is characterised in that：
Temperature warning lamp is set on the controller surface, and the temperature warning lamp is connect with controller circuitry.
4. circular grinding device according to claim 1, it is characterised in that：
Cooling device is arranged in the grinding mechanism side, and the cooling device includes pedestal, support of pipelines and spray head, institute
It states pedestal to be arranged in the side of first motor, the support of pipelines is fixed at base top, the spray head fixed setting
At the top of support of pipelines, the spray head communicates setting with support of pipelines.
5. circular grinding device according to claim 4, it is characterised in that：
Solenoid valve is set on the support of pipelines, and the solenoid valve is connect with controller circuitry.
6. circular grinding device according to claim 1, it is characterised in that：
Rubber layer is correspondingly arranged on the groove outer surface, the rubber layer is bonded setting with groove.
7. circular grinding device according to claim 1, it is characterised in that：
Sponge protective layer is set in the receiver interior surface.
8. circular grinding device according to claim 1, it is characterised in that：
Fixed seat is arranged in the feed rods bottom, and duct is threaded in the fixed seat.
9. circular grinding device according to claim 1, it is characterised in that：
Setting contraposition warning lamp, the contraposition warning lamp are connect with controller circuitry on the controller surface.
10. circular grinding device according to claim 1, it is characterised in that：
Mobile pulley is arranged in the receiver bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721740778.1U CN207771493U (en) | 2017-12-13 | 2017-12-13 | A kind of circular grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721740778.1U CN207771493U (en) | 2017-12-13 | 2017-12-13 | A kind of circular grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207771493U true CN207771493U (en) | 2018-08-28 |
Family
ID=63231287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721740778.1U Expired - Fee Related CN207771493U (en) | 2017-12-13 | 2017-12-13 | A kind of circular grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207771493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107891334A (en) * | 2017-12-13 | 2018-04-10 | 江西佳鼎光电科技有限公司 | A kind of circular grinding device |
| CN110722413A (en) * | 2019-09-10 | 2020-01-24 | 陈广飞 | Bearing surface equipment of polishing for bearing processing |
-
2017
- 2017-12-13 CN CN201721740778.1U patent/CN207771493U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107891334A (en) * | 2017-12-13 | 2018-04-10 | 江西佳鼎光电科技有限公司 | A kind of circular grinding device |
| CN110722413A (en) * | 2019-09-10 | 2020-01-24 | 陈广飞 | Bearing surface equipment of polishing for bearing processing |
| CN110722413B (en) * | 2019-09-10 | 2021-04-06 | 广州佳优华信息科技有限公司 | Bearing surface equipment of polishing for bearing processing |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 |