CN107866727A - High rotating speed loading device for planer-type polishing machine - Google Patents
High rotating speed loading device for planer-type polishing machine Download PDFInfo
- Publication number
- CN107866727A CN107866727A CN201711058259.1A CN201711058259A CN107866727A CN 107866727 A CN107866727 A CN 107866727A CN 201711058259 A CN201711058259 A CN 201711058259A CN 107866727 A CN107866727 A CN 107866727A
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- CN
- China
- Prior art keywords
- support plate
- bearing
- plate
- screw rod
- rotating speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005498 polishing Methods 0.000 title claims abstract description 24
- 230000001360 synchronised effect Effects 0.000 claims abstract description 31
- 210000004907 gland Anatomy 0.000 claims abstract description 26
- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 230000035939 shock Effects 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 241000251468 Actinopterygii Species 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 238000013016 damping Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Classifications
-
- 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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure only
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
For the high rotating speed loading device of planer-type polishing machine, including portal frame, linear slide rail, oil cylinder, sliding seat, swivel joint, motor, synchronous belt, upper disk gland, upper polishing disk, small synchronous pulley, motor mounting assembly, guide sleeve, guide rod, upper main shaft, lower main axis, oscillating bearing, gland, lower supporting plate, beam, cooling tube, upper backup pad, shock-absorption air bag, big synchronous pulley, shaft coupling, Weight plate and bearing block.The present invention is higher with upper disk stability, and upper disk rotating speed faster, pressurizes the features such as bigger, can meet the high rotating speed of market development, and height pressurization requires.
Description
Technical field
The present invention relates to a kind of high rotating speed loading device for planer-type polishing machine.
Background technology
At present, the upper coil motor of existing polishing machine is placed in casing, by decelerator and gear drive drive thumb wheel so as to
Disc spins in drive, upper disk rotational stability is poor, low precision, noise is big, velocity of rotation is slow, in addition, disk passes through gas on polishing machine
Cylinder lifts, no guider, and pressurization is small and pressurization is unstable, it is difficult to meets high-precision, the high rotating speed of market development, big pressure
Requirement.
The content of the invention
The technical problem to be solved by the invention is to provide one kind without using decelerator, without using gear-driven rotating speed
Faster, moulding pressure is bigger, the higher high rotating speed loading device for planer-type polishing machine of stability.
The technical solution adopted for the present invention to solve the technical problems is：Disk fills on the high rotating speed of planer-type polishing machine
Put, including portal frame, linear slide rail, oil cylinder, sliding seat, swivel joint, motor, synchronous belt, upper disk gland, upper polishing disk,
Small synchronous pulley, motor mounting assembly, guide sleeve, guide rod, upper main shaft, lower main axis, oscillating bearing, gland, lower supporting plate, damping
Pad, cooling tube, upper backup pad, shock-absorption air bag, big synchronous pulley, shaft coupling, Weight plate and bearing block；
The sliding seat is connected by left and right both threads slide rail with portal frame, the cylinder upper end portion by free bearing I with
Sliding seat is connected, positioning bearing seat on the sliding seat, and upper main shaft, the upper main shaft is located by bearing in the bearing block
Upper that shaft coupling be housed, the shaft coupling outside is equipped with big synchronous pulley, the big synchronous pulley by synchronous belt with it is small synchronous
Belt wheel is connected, and is connected with lower main axis on the downside of the upper main shaft, the lower main axis pass through built with oscillating bearing, the oscillating bearing
Connector is connected on disk gland, and described self-aligning bearing or so has gland positioning, and upthrow is fixed with the downside of the upper disk gland
CD, the upper disk gland are provided with the flexible pipe for being used to walk cooling water, and the water route of recirculated cooling water is provided with away in the upper main shaft,
On be terminated with swivel joint, the cooling tube is installed in main shaft, and upper end is connected with swivel joint；Set on the upside of the sliding seat
There is shock-absorption air bag, upper backup pad is housed on the upside of the shock-absorption air bag, the upper backup pad is fixed on bearing block, the upper support
Motor mounting assembly is housed on rear side of plate, front side is provided with Weight plate, and the motor mounting assembly top is equipped with motor, the small synchronization
Belt wheel is arranged on motor lower end；Beam is evenly distributed between the sliding seat and lower supporting plate, the lower supporting plate is fixed
In on bearing block；The guide rod upper end is fixed on upper backup pad, and the lower end of the guide rod is fixed on lower supporting plate by connecting plate
On, guide sleeve is housed, guide rod can slide up and down in two guide sleeves on the sliding seat.
Further, the sliding seat passes through upper shock ring and lower shock ring positioning bearing seat.
Further, the upper main shaft is equipped with shaft coupling by expansion sleeve, self-aligning bearing.
Further, the oscillating bearing is connected on upper disk gland by bearing pin I.
Further, the motor mounting assembly includes support plate one, support plate two, support plate three, motor mounting plate, rubber blanket, hinge
Seat II, pin shaft II, screw rod, flake joint, free bearing III, support plate four and adjusting screw rod；By support plate one, support plate two, support plate three, support plate
The mounting bracket of four compositions is connected with supporting plate, and the motor mounting plate is arranged on support plate one, support plate two, support plate three, four groups of support plate
Into mounting bracket on, motor installation version is connected by adjusting screw rod with support plate four；The support plate four passes through free bearing III, flake
Joint is connected with screw rod, and the screw rod is connected by pin shaft II with free bearing II, and the free bearing II passes through rubber blanket and sliding seat phase
Even.
Compared with prior art, the invention has the characteristics that：
1. upper coil motor is placed in into upside, upper disk is directly driven by timing belt, upper disk stability is higher, and upper disk rotating speed is more
It is high.
2. loading device is oriented to using double guide rails, double oil cylinder pressurizations, entirely upper disk is more stable, and pressurization is bigger.
3. being directed to the high rotating speed of loading device, the requirement of height pressurization designs a whole set of damping device, can be very good to avoid leading
The vibrations of axle rotation are to sliding seat and guide rail framework transmission, so as to preferably ensure the stability and security of upper disk.
Brief description of the drawings
Fig. 1 is the front view of the embodiment of the present invention；
Fig. 2 is the sectional view of embodiment illustrated in fig. 1；
Fig. 3 is the upper disk main shaft shock-damping structure schematic diagram of embodiment illustrated in fig. 1.
Fig. 4 is the motor mounting assembly stereogram of embodiment illustrated in fig. 1；
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
Reference picture 1, Fig. 2 and Fig. 3, the present embodiment include portal frame 1, linear slide rail 2, oil cylinder 3, free bearing I 4, sliding seat 5,
Swivel joint 6, motor 7, synchronous belt 8, flexible pipe 10, upper disk gland 11, upper polishing disk 12, small synchronous pulley 13, motor installation
Component 14, guide sleeve 15, guide rod 16, upper main shaft 17, connecting plate 18, lower main axis 19, bearing pin I 20, oscillating bearing 21, gland 22,
Lower supporting plate 23, lower shock ring 24, Rubber shock-absorbing pad 25, cooling tube 26, bearing 27, upper shock ring 28, upper backup pad 29, damping
Air bag 30, expansion sleeve 31, big synchronous pulley 32, shaft coupling 33, Weight plate 34, self-aligning bearing 35 and bearing block 36；
The sliding seat 5 is connected by left and right both threads slide rail 2 with portal frame 1, and the upper end of oil cylinder 3 passes through free bearing
I 4 are connected with sliding seat 5, and the sliding seat 5 passes through upper shock ring 28 and the positioning bearing seat 36 of lower shock ring 24, the bearing block
Upper main shaft 17 is located by bearing 27 in 36, the upper main shaft 17 is equipped with shaft coupling 33 by expansion sleeve 31, self-aligning bearing 35,
The outside of shaft coupling 33 is equipped with big synchronous pulley 32, and the big synchronous pulley 32 passes through synchronous belt 8 and small synchronous pulley 13
It is connected, the upper downside of main shaft 17 has been connected by screw lower main axis 19, and the lower main axis 19 are described built with oscillating bearing 21
Oscillating bearing 21 is connected on upper disk gland 11 by bearing pin I 20, and the self-aligning bearing 21 or so has gland 22 to position, it is described on
The downside of disk gland 11 is fixed with polishing disk 12, and the upper disk gland 11 is provided with the more flexible pipes 10 for being used to walk cooling water, institute
The water route that recirculated cooling water is provided with away in main shaft 17 is stated, is above terminated with swivel joint 6, the cooling tube 26 is installed on main shaft
In 17, upper end is connected with swivel joint 6；The upside of sliding seat 5 is provided with four shock-absorption air bags 30, the upside of shock-absorption air bag 30
Equipped with upper backup pad 29, the upper backup pad 29 is fixed on bearing block 36, and the rear side of upper backup pad 29 is installed equipped with motor
Component 14, front side are provided with Weight plate 34, and the top of motor mounting assembly 14 is equipped with motor 7, and the small synchronous pulley 13 is installed
In the lower end of motor 7；Multiple Rubber shock-absorbing pads 25, the lower support are evenly distributed between the sliding seat 5 and lower supporting plate 23
Plate 23 is fixed on bearing block 36；In order to ensure that skewed relative is not present with sliding seat 5 with lower supporting plate 23 in upper backup pad 29, if
The guidance set that guide rod 16, guide sleeve 15, connecting plate 18 form is counted, the upper end of guide rod 16 is fixed on upper backup pad 29, institute
State the lower end of guide rod 16 to be fixed on lower supporting plate 23 by connecting plate 18, two guide sleeves 15 are filled on sliding seat, guide rod is two
It can be slided up and down in guide sleeve 15, so as to ensure that bearing block 36 sliding seat 5 can move up and down relatively and prevent its deflection, so as to reach
To the effect of damping.
Sliding seat 5 can be promoted to be moved up and down along linear slide rail 2 so as to drive on polishing disk 12 in the presence of oil cylinder 3
The pressurization to workpiece is realized in lower motion.Pass through small synchronous pulley 13, synchronous belt 8, big synchronous pulley 32 under the driving of motor 7
Main shaft 17 rotates in drive, and then drives upper disk gland 11, upper polishing disk 12 to rotate.Cooling water passes through rotation
Intake tunnel in the binary channels of joint 6 enters in cooling tube 26 and then entered in upper main shaft 17, from the intake tunnel of upper main shaft 17
Out enter and be used for flexible pipe 10 into cooling water, then flow into the cooling water path of upper disk gland 11, then along upper disk gland 11
Backwater channel flow out through and enter for the flexible pipe 10 of backwater in the backwater channel of upper main shaft 17, and then pass through swivel joint 6
Return flow line backflow, so as to form cooling circuit.
Reference picture 3, the motor mounting assembly include support plate 1, support plate 2 14.2, support plate 3 14.3, motor installation
Plate 14.4, rubber blanket 14.5, free bearing II 14.6, pin shaft II 14.7, screw rod 14.8, flake joint 14.9, free bearing III 14.10, branch
Plate 4 14.11 and adjusting screw rod 14.12；It is made up of support plate 1, support plate 2 14.2, support plate 3 14.3, support plate 4 14.11
Mounting bracket is connected with supporting plate 29, and the motor mounting plate 14.4 is arranged on support plate 1, support plate 2 14.2, support plate three
14.3rd, on the mounting bracket that support plate 4 14.11 forms, the motor installation version 14.4 passes through adjusting screw rod 14.12 and support plate four
14.11 are connected；The support plate 4 14.11 is connected by free bearing III 14.10, flake joint 14.9 with screw rod 14.8, the screw rod
14.8 are connected by pin shaft II 14.7 with free bearing II 14.6, and the free bearing II 14.6 is connected by rubber blanket 14.5 with sliding seat 5.
The motor 7 is fixed on motor mounting plate 14.4, and the motor mounting plate 14.4 is arranged on support plate 1, branch
On the mounting bracket that plate 2 14.2, support plate 3 14.3, support plate 4 14.11 form, the motor installation version 14.4 passes through adjusting screw rod
14.12 are connected with support plate 4 14.11, realize the regulation to machine 7 by adjusting screw rod 14.12, the motor 7 passes through synchronous belt
8 are connected with big synchronous pulley 32 so as to realize the tensioning to motor belt.
Reference picture 4, upper disk Aseismatic Design is illustrated, set respectively between bearing block 36 and sliding seat 5 as shown in the figure
Shock ring 28 and lower shock ring 24, are evenly distributed with multiple Rubber shock-absorbing pads 25 on meter between sliding seat 5 and lower supporting plate 23, under
Supporting plate 23 is fixed on bearing block 36, and four shock-absorption air bags 30, upper backup pad are distributed between sliding seat 5 and upper backup pad 29
29 are fixed on bearing block 36.In order to ensure that skewed relative is not present with sliding seat 5 with lower supporting plate 23 in upper backup pad 29, design
The guidance set being made up of guide rod 16, guide sleeve 15, connecting plate 18, the upper end of guide rod 16 are fixed on upper backup pad 29, guide rod
16 lower ends are fixed on lower supporting plate 23 by connecting plate 18, and two guide sleeves 15 are filled on sliding seat 5, and guide rod 16 is oriented to two
It can slide up and down in set 15, so as to ensure that bearing block 36 sliding seat 5 can move up and down relatively and prevent its deflection, subtract so as to reach
The effect of shake.
Claims (8)
1. the high rotating speed loading device for planer-type polishing machine, it is characterised in that：Including portal frame, linear slide rail, oil cylinder, cunning
Dynamic seat, swivel joint, motor, synchronous belt, upper disk gland, upper polishing disk, small synchronous pulley, motor mounting assembly, guide sleeve,
It is guide rod, upper main shaft, lower main axis, oscillating bearing, gland, lower supporting plate, beam, cooling tube, upper backup pad, shock-absorption air bag, big
Synchronous pulley, shaft coupling, Weight plate and bearing block；
The sliding seat is connected by left and right both threads slide rail with portal frame, and the cylinder upper end portion is by free bearing I with sliding
Seat is connected, positioning bearing seat on the sliding seat, and upper main shaft is located by bearing in the bearing block, is filled on the upper main shaft
There is shaft coupling, big synchronous pulley is housed on the outside of the shaft coupling, the big synchronous pulley passes through synchronous belt and small synchronous pulley
It is connected, is connected with lower main axis on the downside of the upper main shaft, the lower main axis pass through connection built with oscillating bearing, the oscillating bearing
Part is connected on disk gland, and described self-aligning bearing or so has gland positioning, and polishing disk is fixed with the downside of the upper disk gland,
The upper disk gland is provided with the flexible pipe for being used to walk cooling water, and the water route of recirculated cooling water, upper end are provided with away in the upper main shaft
Swivel joint is connected to, the cooling tube is installed in main shaft, and upper end is connected with swivel joint；It is provided with and subtracts on the upside of the sliding seat
Air bag is shaken, upper backup pad is housed on the upside of the shock-absorption air bag, the upper backup pad is fixed on bearing block, after the upper backup pad
Side is equipped with motor mounting assembly, and front side is provided with Weight plate, and the motor mounting assembly top is equipped with motor, the small synchronous pulley
Installed in motor lower end；Beam is evenly distributed between the sliding seat and lower supporting plate, the lower supporting plate is fixed on axle
In bearing；The guide rod upper end is fixed on upper backup pad, and the lower end of the guide rod is fixed on lower supporting plate by connecting plate, institute
State and guide sleeve is housed on sliding seat, guide rod can slide up and down in two guide sleeves.
2. the high rotating speed loading device according to claim 1 for planer-type polishing machine, it is characterised in that：The slip
Seat passes through upper shock ring and lower shock ring positioning bearing seat.
3. the high rotating speed loading device according to claim 1 or 2 for planer-type polishing machine, it is characterised in that：It is described
Upper main shaft is equipped with shaft coupling by expansion sleeve, self-aligning bearing.
4. the high rotating speed loading device according to claim 1 or 2 for planer-type polishing machine, it is characterised in that：It is described
Oscillating bearing is connected on upper disk gland by bearing pin I.
5. the high rotating speed loading device according to claim 3 for planer-type polishing machine, it is characterised in that：The joint
Bearing is connected on upper disk gland by bearing pin I.
6. the high rotating speed loading device according to claim 1 or 2 for planer-type polishing machine, it is characterised in that：It is described
Motor mounting assembly includes support plate one, support plate two, support plate three, motor mounting plate, rubber blanket, free bearing II, pin shaft II, screw rod, fish
Eye connector, free bearing III, support plate four and adjusting screw rod；The mounting bracket and branch being made up of support plate one, support plate two, support plate three, support plate four
Fagging is connected, and the motor mounting plate is arranged on the mounting bracket that support plate one, support plate two, support plate three, support plate four form, the electricity
Machine installation version is connected by adjusting screw rod with support plate four；The support plate four is connected by free bearing III, flake joint with screw rod, described
Screw rod is connected by pin shaft II with free bearing II, and the free bearing is connected by rubber blanket with sliding seat.
7. the high rotating speed loading device according to claim 3 for planer-type polishing machine, it is characterised in that：The motor
Mounting assembly includes support plate one, support plate two, support plate three, motor mounting plate, rubber blanket, free bearing II, pin shaft II, screw rod, flake and connect
Head, free bearing III, support plate four and adjusting screw rod；The mounting bracket and supporting plate being made up of support plate one, support plate two, support plate three, support plate four
Connection, the motor mounting plate are arranged on the mounting bracket that support plate one, support plate two, support plate three, support plate four form, the motor peace
Lock up and be connected by adjusting screw rod with support plate four；The support plate four is connected by free bearing III, flake joint with screw rod, the screw rod
It is connected by pin shaft II with free bearing II, the free bearing is connected by rubber blanket with sliding seat.
8. the high rotating speed loading device according to claim 4 for planer-type polishing machine, it is characterised in that：The motor
Mounting assembly includes support plate one, support plate two, support plate three, motor mounting plate, rubber blanket, free bearing II, pin shaft II, screw rod, flake and connect
Head, free bearing III, support plate four and adjusting screw rod；The mounting bracket and supporting plate being made up of support plate one, support plate two, support plate three, support plate four
Connection, the motor mounting plate are arranged on the mounting bracket that support plate one, support plate two, support plate three, support plate four form, the motor peace
Lock up and be connected by adjusting screw rod with support plate four；The support plate four is connected by free bearing III, flake joint with screw rod, the screw rod
It is connected by pin shaft II with free bearing II, the free bearing II is connected by rubber blanket with sliding seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711058259.1A CN107866727B (en) | 2017-11-01 | 2017-11-01 | High-rotating-speed disc feeding device for gantry type polishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711058259.1A CN107866727B (en) | 2017-11-01 | 2017-11-01 | High-rotating-speed disc feeding device for gantry type polishing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107866727A true CN107866727A (en) | 2018-04-03 |
| CN107866727B CN107866727B (en) | 2020-01-24 |
Family
ID=61753517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711058259.1A Active CN107866727B (en) | 2017-11-01 | 2017-11-01 | High-rotating-speed disc feeding device for gantry type polishing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107866727B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116460739A (en) * | 2023-03-22 | 2023-07-21 | 广东工科机电有限公司 | Grinding head |
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| 刘全兴编著: "《高炉热风炉操作与煤气知识问答 第2版》", 30 April 2013 * |
| 胡兴志，罗建国主编: "《机电安全工程》", 31 January 2016 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116460739A (en) * | 2023-03-22 | 2023-07-21 | 广东工科机电有限公司 | Grinding head |
| CN116460739B (en) * | 2023-03-22 | 2023-12-08 | 广东工科机电有限公司 | Grinding head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107866727B (en) | 2020-01-24 |
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Application publication date: 20180403 Assignee: Hunan Yiyuan New Material Technology Co.,Ltd. Assignor: HUNAN YUJING MACHINE INDUSTRIAL Co.,Ltd. Contract record no.: X2023980050763 Denomination of invention: High speed upper disc device for gantry polishing machine Granted publication date: 20200124 License type: Common License Record date: 20231213 |