CN208728757U - A kind of high-precision milling cutter device with adjusting blade height - Google Patents
A kind of high-precision milling cutter device with adjusting blade height Download PDFInfo
- Publication number
- CN208728757U CN208728757U CN201820733358.9U CN201820733358U CN208728757U CN 208728757 U CN208728757 U CN 208728757U CN 201820733358 U CN201820733358 U CN 201820733358U CN 208728757 U CN208728757 U CN 208728757U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- milling cutter
- shell
- sliding sleeve
- blade height
- 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.)
- Expired - Fee Related
Links
- 238000003801 milling Methods 0.000 title claims abstract description 28
- 238000003825 pressing Methods 0.000 claims description 46
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Milling Processes (AREA)
Abstract
The utility model discloses a kind of with the high-precision milling cutter device for adjusting blade height, including bottom plate, the upper surface of the bottom plate is fixedly connected with the lower surface of driving device, the driving device is meshed with driven gear, the lower surface of the driven gear is fixedly connected with the second shaft, the outer surface of second shaft is socketed with second bearing, and the second bearing is connected to the upper surface of bottom plate.This has the high-precision milling cutter device for adjusting blade height, pass through setting motor, driving gear, driven gear, threaded post, thread cap, the first sliding sleeve, link block, shell and cutter, so that threaded post drives thread cap to move up, so that thread cap drives link block to move up, so that link block drives the first sliding sleeve to move up, so that the first sliding sleeve drives shell to move up, so that shell band cutter moves up, so that not needing manually to lift milling cutter device to carry out high-rise working, so that having saved time and the physical strength of people.
Description
Technical field
It is specially a kind of with the high precision milling cutter for adjusting blade height the utility model relates to milling cutter device technical field
Device.
Background technique
Blade is consumables, and a large amount of uses are in modern mechanical manufacture field, and CN80 ° of diamond shape negative insert is mechanical
The market utilization rate of blade is higher always.
It adjusts blade height to need to use lifting device, as Chinese patent discloses a kind of " lifting device " (patent No.: CN
202668148 U), the patent effective solution in the prior art often use two of diamond shaped insert it is diagonal, when
After two diagonal uses, blade is i.e. discarded, lower to the utilization rate of blade, the problem of improving cost, waste resource,
But the cutter is not adjustable height, when will object operation to eminence when so that needing manually to lift milling cutter device to carry out
High-rise working, so that automatic lifting operation cannot be completed, so that wasting physical strength and the time of people.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of with the high precision milling cutter dress for adjusting blade height
Set, solve the cutter and be not adjustable height, when will object operation to eminence when so that needing manually to lift milling cutter device
High-rise working is carried out, so that automatic lifting operation cannot be completed, so that the problem of wasting physical strength and the time of people.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of with the high-precision of adjusting blade height
Spend milling cutter device, including bottom plate, the upper surface of the bottom plate be fixedly connected with the lower surface of driving device, the driving device with
Driven gear is meshed, and the lower surface of the driven gear is fixedly connected with the second shaft, the appearance surface cover of second shaft
It is connected to second bearing, the second bearing is connected to the upper surface of bottom plate, the upper surface of the driven gear and the bottom of threaded post
End is fixedly connected.
The top of the threaded post is fixedly connected with first rotating shaft, and the outer surface of the first rotating shaft is socketed with first axle
It holds, the first bearing is connected to the lower surface of support plate, and the lower surface of the support plate passes through the upper surface of baffle and bottom plate
It is fixedly connected, the right side of the baffle is fixedly connected with the left side of power supply, the right side of the power supply and the left side of switch
Face is fixedly connected.
The outer surface thread of the threaded post is connected with thread cap, and the right side of the thread cap is fixedly connected with connection
Block, the right side of the link block are fixedly connected with the left side of the first sliding sleeve, are socketed with the first slide bar in first sliding sleeve,
The top and bottom end of first slide bar are fixedly connected with the upper surface of the lower surface of support plate and bottom plate respectively.
Preferably, the right side of first sliding sleeve is fixedly connected with shell, and there are two the upper surface clampings of the shell
Thread bush, the thread bush internal screw thread are connected with threaded rod, the upper surface overlap joint of the bottom end of the threaded rod and the first pressing plate, institute
The left side for stating the first pressing plate is fixedly connected with the right side of the second sliding sleeve, and the second slide bar, institute are socketed in second sliding sleeve
The top and bottom end for stating the second slide bar are fixedly connected with the upper and lower surfaces of inner walls respectively, under the inner walls
Surface is fixedly connected by two electric pushrods with the lower surface of the second pressing plate, under the upper surface and cutter of second pressing plate
Surface overlap joint, the cutter are located in through-hole, and the through-hole is provided with the right side of shell.
Preferably, the driving device includes motor, the model JGB37-340 of the motor, the motor body
Lower performance is fixedly connected with the upper surface of bottom plate, and the output shaft of the motor is fixedly connected with driving gear, the driving gear
It is meshed with driven gear.
Preferably, the input terminal of the motor is electrically connected with the output end of switch, the input terminal of the switch and power supply
Output end electrical connection.
Preferably, the input terminal of the electric pushrod is electrically connected with the output end of switch, and the switch is located at the right side of power supply
Side.
Preferably, the diameter of the first rotating shaft is equal to the diameter of the second shaft, and the diameter of the cutter is less than through-hole
Diameter.
(3) beneficial effect
The utility model provides a kind of high-precision milling cutter device with adjusting blade height, has following beneficial to effect
Fruit:
1, this have adjust blade height high-precision milling cutter device, by setting motor, driving gear, driven gear,
Threaded post, thread cap, the first sliding sleeve, link block, shell and cutter, when needing to adjust the height of cutter, control motor is rotated forward,
So that the output shaft of motor drives driving gear rotation, so that driving gear drives driven gear rotation, so that driven gear band
Dynamic threaded post rotation, so that threaded post drives thread cap to move up, so that thread cap drives link block to move up, so that even
Connecing block drives the first sliding sleeve to move up, so that the first sliding sleeve drives shell to move up, so that shell band cutter moves upwards
It is dynamic, so that not needing manually to lift milling cutter device to carry out high-rise working, so that having saved time and the physical strength of people.
2, this has the high-precision milling cutter device for adjusting blade height, by the way that shell, threaded rod, thread bush, first is arranged
Cutter is put into the upper surface of the second pressing plate when needing clamp-on tool by pressing plate, the second pressing plate, electric pushrod and cutter, control
Electric pushrod work, so that electric pushrod elongation drives the second pressing plate to move up, so that the second pressing plate band cutter moves upwards
Dynamic, people manually tighten threaded rod, so that threaded rod moves down, so that threaded rod drives the first pressing plate to move down, so that
First pressing plate and the second pressing plate is significantly more efficient clamps cutter, so that cutter will not shake and more steady when moving up and down
It is fixed.
3, this has the high-precision milling cutter device for adjusting blade height, passes through the second slide bar of setting, the second sliding sleeve, the first pressure
Plate and the second pressing plate, when needing replacing cutter, people unscrew bar, when so that threaded rod driving the first pressing plate to move up
It will not shake and more laborsaving, and the utility model which has a compact structure and a reasonable design, it is practical.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure that the utility model is faced;
Fig. 2 is the structural schematic diagram of the utility model left view;
Fig. 3 is the structural schematic diagram amplified at the utility model A.
In figure: 1 bottom plate, 2 baffles, 3 driving devices, 31 motors, 32 driving gears, 4 power supplys, 5 switches, 6 support plates, 7 spiral shells
Line cap, 8 threaded posts, 9 first bearings, 10 first rotating shafts, 11 link blocks, 12 cutters, 13 first sliding sleeves, 14 first slide bars, 15
Two shafts, 16 second bearings, 17 first pressing plates, 18 threaded rods, 19 thread bush, 20 shells, 21 second slide bars, 22 second sliding sleeves,
23 second pressing plates, 24 electric pushrods, 25 through-holes, 26 driven gears.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of with the high-precision milling for adjusting blade height
The upper surface of knife system, including bottom plate 1, bottom plate 1 is fixedly connected with the lower surface of driving device 3, driving device 3 and driven gear
26 are meshed, and driving device 3 includes motor 31, the model JGB37-340 of motor 31, the lower performance of 31 fuselage of motor and bottom plate
1 upper surface is fixedly connected, and the output shaft of motor 31 is fixedly connected with driving gear 32, driving gear 32 and 26 phase of driven gear
Engagement, the input terminal of motor 31 are electrically connected with the output end of switch 5, and the input terminal of switch 5 is electrically connected with the output end of power supply 4,
By the way that power supply 4 is arranged, so that power supply 4 can power to motor 31 and electric pushrod 24, so that motor 31 and electric pushrod
24 can work normally, by the way that switch 5 is arranged, so that 24 work of control motor 31 and electric pushrod that people are more convenient
To make, the lower surface of driven gear 26 is fixedly connected with the second shaft 15, and the outer surface of the second shaft 15 is socketed with second bearing 16,
By be arranged second bearing 16 so that driven gear 26 drive threaded post 8 rotate so that threaded post 8 drive thread cap 7 to
Upper movement so that thread cap 7 drive link block 11 move upwardly without shaking and it is more laborsaving, second bearing 16 is connected to bottom
The upper surface of the upper surface of plate 1, driven gear 26 is fixedly connected with the bottom end of threaded post 8.
The top of threaded post 8 is fixedly connected with first rotating shaft 10, and the diameter of first rotating shaft 10 is equal to the straight of the second shaft 15
Diameter, the diameter of cutter 12 are less than the diameter of through-hole 25, and the outer surface of first rotating shaft 10 is socketed with first bearing 9, and first bearing 9 is blocked
It connects in the lower surface of support plate 6, by the way that first bearing 9 is arranged, so that the rotation of threaded post 8 drives thread cap 7 to move up and down
Shi Buhui shake and it is more laborsaving, the lower surface of support plate 6 is fixedly connected by baffle 2 with the upper surface of bottom plate 1, baffle 2
Right side is fixedly connected with the left side of power supply 4, and the right side of power supply 4 is fixedly connected with the left side of switch 5.
The outer surface thread of threaded post 8 is connected with thread cap 7, and the right side of thread cap 7 is fixedly connected with link block 11, even
The right side for connecing block 11 is fixedly connected with the left side of the first sliding sleeve 13, and the right side of the first sliding sleeve 13 is fixedly connected with shell
20, by the first sliding sleeve 13 of setting and the first slide bar 14, so that link block 11 drives the first sliding sleeve 13 to move up, so that
First sliding sleeve 13 drives shell 20 to move up, so that shell 20 is more laborsaving when moving up with cutter 12, shell 20
There are two thread bush 19,19 internal screw thread of thread bush is connected with threaded rod 18, the bottom end of threaded rod 18 and the first pressure for upper surface clamping
The upper surface of plate 17 overlaps, and the left side of the first pressing plate 17 is fixedly connected with the right side of the second sliding sleeve 22, in the second sliding sleeve 22
It is socketed with the second slide bar 21, the top and bottom end of the second slide bar 21 are fixed with the upper and lower surfaces of 20 inner wall of shell respectively to be connected
It connects, the lower surface of 20 inner wall of shell is fixedly connected by two electric pushrods 24 with the lower surface of the second pressing plate 23, the second pressing plate
23 upper surface and the lower surface of cutter 12 overlap, by the first pressing plate 17 of setting and the second pressing plate 23, so that people's hand
It is dynamic to tighten threaded rod 18, so that threaded rod 18 moves down, so that threaded rod 18 drives the first pressing plate 17 to move down, so that the
One pressing plate 17 and the second pressing plate 23 is significantly more efficient clamps cutter 12, so that cutter 12 will not shake and more when moving up and down
Add stabilization, cutter 12 is located in through-hole 25, and through-hole 25 is provided with the right side of shell 20, the input terminal and switch of electric pushrod 24
5 output end electrical connection, switch 5 are located at the right of power supply 4, the first slide bar 14, the first slide bar 14 are socketed in the first sliding sleeve 13
Top and bottom end be fixedly connected respectively with the upper surface of the lower surface of support plate 6 and bottom plate 1.
In use, control motor 31 rotates forward, so that the output shaft of motor 31 drives when needing to adjust the height of cutter 12
Driving gear 32 rotates, so that driving gear 32 drives driven gear 26 to rotate, so that driven gear 26 drives threaded post 8 to revolve
Turn, so that threaded post 8 drives thread cap 7 to move up, so that thread cap 7 drives link block 11 to move up, so that link block
11 the first sliding sleeves 13 of drive move up, so that the first sliding sleeve 13 drives shell 20 to move up, so that shell 20 is with cutter
12 move up, so that not needing manually to lift milling cutter device to carry out high-rise working, when needing clamp-on tool 12, by cutter
12 are put into the upper surface of the second pressing plate 23, and control electric pushrod 24 works, so that the elongation of electric pushrod 24 drives the second pressing plate 23
Move up so that the second pressing plate 23 is moved up with cutter 12, people manually tighten threaded rod 18 so that threaded rod 18 to
Lower movement, so that threaded rod 18 drives the first pressing plate 17 to move down, so that the first pressing plate 17 and the second pressing plate 23 are more efficient
Clamp cutter 12 so that cutter 12 will not shake and more stable when moving up and down, when needing replacing cutter 12, people
The bar 18 that unscrews so that threaded rod 18 drive the first pressing plate 17 move up.
Can to sum up obtain, 1, this have adjust blade height high-precision milling cutter device, pass through setting motor 31, driving gear
32, driven gear 26, threaded post 8, thread cap 7, the first sliding sleeve 13, link block 11, shell 20 and cutter 12, when needing to adjust knife
When the height of tool 12, control motor 31 is rotated forward, so that the output shaft of motor 31 drives driving gear 32 to rotate, so that driving gear
32 drive driven gear 26 to rotate, so that driven gear 26 drives threaded post 8 to rotate, so that threaded post 8 drives thread cap 7 upward
It is mobile, so that thread cap 7 drives link block 11 to move up, so that link block 11 drives the first sliding sleeve 13 to move up, so that
First sliding sleeve 13 drives shell 20 to move up, so that shell 20 is moved up with cutter 12, so that not needing manually to lift
Milling cutter device carries out high-rise working, so that saved time and the physical strength of people.
2, this has the high-precision milling cutter device for adjusting blade height, by the way that shell 20, threaded rod 18, thread bush is arranged
19, cutter 12 is put into when needing clamp-on tool 12 by the first pressing plate 17, the second pressing plate 23, electric pushrod 24 and cutter 12
The upper surface of two pressing plates 23, control electric pushrod 24 work, so that the elongation of electric pushrod 24 drives the second pressing plate 23 to move up,
So that the second pressing plate 23 is moved up with cutter 12, people manually tighten threaded rod 18, so that threaded rod 18 moves down, make
Threaded rod 18 drives the first pressing plate 17 to move down so that the first pressing plate 17 and the second pressing plate 23 is significantly more efficient clamps knife
Tool 12, so that cutter 12 will not shake and more stable when moving up and down.
3, this has the high-precision milling cutter device for adjusting blade height, passes through the second slide bar 21 of setting, the second sliding sleeve 22, the
One pressing plate 17 and the second pressing plate 23, when needing replacing cutter 12, people unscrew bar 18, so that threaded rod 18 drives first
Pressing plate 17 moves upwardly without shaking and more laborsaving, and the utility model which has a compact structure and a reasonable design, practical.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of with the high-precision milling cutter device for adjusting blade height, including bottom plate (1), it is characterised in that: the bottom plate (1)
Upper surface be fixedly connected with the lower surface of driving device (3), the driving device (3) is meshed with driven gear (26), institute
The lower surface for stating driven gear (26) is fixedly connected with the second shaft (15), and the outer surface of second shaft (15) is socketed with
Two bearings (16), the second bearing (16) are connected to the upper surface of bottom plate (1), the upper surface of the driven gear (26) and spiral shell
The bottom end of line column (8) is fixedly connected;
The top of the threaded post (8) is fixedly connected with first rotating shaft (10), and the outer surface of the first rotating shaft (10) is socketed with
First bearing (9), the first bearing (9) are connected to the lower surface of support plate (6), and the lower surface of the support plate (6) passes through
Baffle (2) is fixedly connected with the upper surface of bottom plate (1), the fixed company in the right side of the baffle (2) and the left side of power supply (4)
It connects, the right side of the power supply (4) is fixedly connected with the left side of switch (5);
The outer surface thread of the threaded post (8) is connected with thread cap (7), and the right side of the thread cap (7) is fixedly connected with
The right side of link block (11), the link block (11) is fixedly connected with the left side of the first sliding sleeve (13), first sliding sleeve
(13) it is socketed with the first slide bar (14) in, the top and bottom end of first slide bar (14) lower surface with support plate (6) respectively
It is fixedly connected with the upper surface of bottom plate (1).
2. according to claim 1 a kind of with the high-precision milling cutter device for adjusting blade height, it is characterised in that: described
The right side of first sliding sleeve (13) is fixedly connected with shell (20), and there are two thread bush for the upper surface clamping of the shell (20)
(19), thread bush (19) internal screw thread is connected with threaded rod (18), the bottom end and the first pressing plate (17) of the threaded rod (18)
Upper surface overlap joint, the left side of first pressing plate (17) is fixedly connected with the right side of the second sliding sleeve (22), described second
Is socketed with the second slide bar (21) in sliding sleeve (22), the top and bottom end of second slide bar (21) respectively with shell (20) inner wall
Upper and lower surfaces are fixedly connected, and the lower surface of shell (20) inner wall passes through two electric pushrods (24) and the second pressing plate
(23) lower surface is fixedly connected, and the upper surface of second pressing plate (23) and the lower surface of cutter (12) overlap, the cutter
(12) it is located in through-hole (25), the through-hole (25) is provided with the right side of shell (20).
3. according to claim 1 a kind of with the high-precision milling cutter device for adjusting blade height, it is characterised in that: described
Driving device (3) includes motor (31), the model JGB37-340 of the motor (31), the following table of motor (31) fuselage
It is now fixedly connected with the upper surface of bottom plate (1), the output shaft of the motor (31) is fixedly connected with driving gear (32), the master
Moving gear (32) is meshed with driven gear (26).
4. according to claim 3 a kind of with the high-precision milling cutter device for adjusting blade height, it is characterised in that: described
The input terminal of motor (31) is electrically connected with the output end of switch (5), the input terminal of the switch (5) and the output end of power supply (4)
Electrical connection.
5. according to claim 2 a kind of with the high-precision milling cutter device for adjusting blade height, it is characterised in that: described
The input terminal of electric pushrod (24) is electrically connected with the output end of switch (5), and the switch (5) is located at the right of power supply (4).
6. according to claim 2 a kind of with the high-precision milling cutter device for adjusting blade height, it is characterised in that: described
The diameter of first rotating shaft (10) is equal to the diameter of the second shaft (15), and the diameter of the cutter (12) is less than the straight of through-hole (25)
Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820733358.9U CN208728757U (en) | 2018-05-17 | 2018-05-17 | A kind of high-precision milling cutter device with adjusting blade height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820733358.9U CN208728757U (en) | 2018-05-17 | 2018-05-17 | A kind of high-precision milling cutter device with adjusting blade height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208728757U true CN208728757U (en) | 2019-04-12 |
Family
ID=66022655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820733358.9U Expired - Fee Related CN208728757U (en) | 2018-05-17 | 2018-05-17 | A kind of high-precision milling cutter device with adjusting blade height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208728757U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108580993A (en) * | 2018-05-17 | 2018-09-28 | 江苏永伟精密工具有限公司 | It is a kind of that there is the high-precision milling cutter device for adjusting blade height |
| CN111251403A (en) * | 2020-02-26 | 2020-06-09 | 湖南银山竹业有限公司 | Bamboo tableware processing and forming method and device |
-
2018
- 2018-05-17 CN CN201820733358.9U patent/CN208728757U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108580993A (en) * | 2018-05-17 | 2018-09-28 | 江苏永伟精密工具有限公司 | It is a kind of that there is the high-precision milling cutter device for adjusting blade height |
| CN111251403A (en) * | 2020-02-26 | 2020-06-09 | 湖南银山竹业有限公司 | Bamboo tableware processing and forming method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209062705U (en) | Grinding device is used in a kind of processing of automobile gear | |
| CN107877377A (en) | Robot polishing workpiece is automatically positioned platform | |
| CN209649081U (en) | A kind of novel turning stripper apparatus | |
| CN209830962U (en) | Part machining device for frequency converter | |
| CN206278884U (en) | A kind of lift electric power overhaul workbench | |
| CN108248657A (en) | A kind of radiator transfer device easy to use | |
| CN208728757U (en) | A kind of high-precision milling cutter device with adjusting blade height | |
| CN210732247U (en) | Clamp convenient to use for machining radio frequency coaxial connector | |
| CN208117667U (en) | A kind of fixed device of upper die of stamping die plate processing | |
| CN108580993A (en) | It is a kind of that there is the high-precision milling cutter device for adjusting blade height | |
| CN208304012U (en) | A kind of high-speed shearing machine | |
| CN108202172A (en) | It is a kind of to be cut convenient for adjusting the automobile metal plate work of angle with Water Cutting device | |
| CN109794656B (en) | Screw rod production and processing tapping machine | |
| CN209190028U (en) | Gear one to one laser marking tooling and using the tooling laser marking machine | |
| CN208262448U (en) | A kind of vertical double-sided grinding machine of high-precision slice work-piece | |
| CN107962466B (en) | A kind of hub surface grinding device for vehicle complete vehicle manufacture | |
| CN108202357A (en) | A kind of building template cutter device | |
| CN212371822U (en) | Trimming device for ceramic vessel repair treatment | |
| CN108582183A (en) | A kind of food processing shear of adjustable length | |
| CN212070630U (en) | Cutting device for mechanical engineering | |
| CN210649633U (en) | Novel positioning device for numerical control machining | |
| CN209684824U (en) | A kind of adjustable full-automatic upper piece platform of glass position | |
| CN207629314U (en) | A kind of auto parts machinery cutting bed being convenient to clean clast | |
| CN208945803U (en) | A kind of timber raw edges processing device | |
| CN208232364U (en) | Pressurizing device is used in Huizhou inkstick production and processing |
Legal Events
| 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: 20190412 Termination date: 20200517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |