CN207525395U - Carding machine - Google Patents
Carding machine Download PDFInfo
- Publication number
- CN207525395U CN207525395U CN201721383697.0U CN201721383697U CN207525395U CN 207525395 U CN207525395 U CN 207525395U CN 201721383697 U CN201721383697 U CN 201721383697U CN 207525395 U CN207525395 U CN 207525395U
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- China
- Prior art keywords
- miscellaneous
- fiber
- carding
- miscellaneous fiber
- discharging window
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- 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.)
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Abstract
The utility model is related to carding machine, including the rack and feeding roller being set gradually from left to right in rack, carding cylinder and doffer；The left part of carding cylinder is provided with feed inlet, the right part of carding cylinder is provided with material guide port；More than one miscellaneous fiber discharging window is distributed between feed inlet and material guide port；By being provided with miscellaneous fiber discharging window so that miscellaneous fiber is discharged by the window, so that thin cashmere continuation of the absorption on carding roller is rotated with roller, so as to fulfill separation, improves impurity-eliminating effect.Miscellaneous fiber discharging window is the arcuate structure concentric with carding cylinder axle center, and the axial width of miscellaneous fiber discharging window is not less than the axle center span of the carding roller of carding cylinder；The arc length width of miscellaneous fiber discharging window is more than the length of miscellaneous fiber combed out from the miscellaneous fiber discharging window；By the design of above-mentioned window structure, miscellaneous fiber is preferably discharged.It is the utility model is designed reasonably, compact-sized and easy to use.
Description
Technical field
The utility model is related to carding machines, are particularly suitable for animal origin, especially pneumatic cashmere card.
Background technology
At present, in textile industry, cotton roll (lap) is for the general term of the loose cotton fiber of wide sheet shape.Using this
Sample cotton roll production spun yarn during, combing is pretreatment process, in this process by cotton roll fiber separation, dispersion,
Equilibrium simultaneously forms cotton net.Carding step can also remove some impurity and a certain amount of staple fiber or fracture fiber.Carding machine is
It is a kind of to clean cotton, the fiber arranged equipment for making it almost parallel and cotton roll is become to sliver.Sliver is loose untwisted
Cotton fiber item, can be drafted and spin to form yarn.
Typical carding machine generally includes the cylinder (cylindricaldrum) and a comb rotated of a rotation
Manage flat component.Usually comb the form that the rotation band with multiple plates is presented in flat component.Comb flat component and rotation
Cylinder is adjacent and a part along its circumference moves in the direction opposite with the direction of rotation of cylinder.The tin of rotation
Woods roller and tablet are equipped with carding clothing (cardclothing).Carding clothing is the special cloth or rubber for being covered with metal-toothed,
For to cotton fiber shredding, clean and make its arranged in parallel.Carding machine further includes one to cotton component, has to cotton platform, gives
Cotton roller, mote knife, carding element, collecting plate, licker-in bottom drain (licker-inundercasing) and licker-in.Carding machine further includes
For the dust cleaning case for removing waste cotton and for removing the doffing mechanism of finished product (doffer) from carding machine.
Cotton roll to cotton component by being sent to licker-in.Cotton roll is transformed into fibre bundle by licker-in, and is fed the tin of rotation
In the opening formed between woods and tablet.Cotton roll is sent into licker-in to cotton platform and cotton-supplying roller.Mote knife, carding element, collecting plate
It is installed with licker-in bottom drain close to licker-in.Mote knife will be with or without the larger impurity particle of velveteen and miscellaneous dirt part as barrier
It excludes.Carding element by with fibre bundle physical contact by its further shredding, so as to remove bulk loose wool and miscellaneous dirt.Collecting plate
The impurity level removed is determined with the relative position of licker-in.Licker-in bottom drain guides material to cylinder from licker-in.
The metal-toothed direction of carding clothing is identical with the direction of rotation of cylinder on the cylinder of rotation, while golden on tablet
The direction for belonging to tooth is identical with the moving direction of tablet.Therefore, on tablet metal-toothed place to the metal-toothed of cylinder with rotation
Direction is opposite.Metal-toothed to cotton roll fiber opening, clean and make its parallel, and these fibers is made to become cotton net shape, then will
It, which is compressed, becomes to comb sliver.
However, above-mentioned carding machine one of at least has the disadvantage that.The combing sliver obtained from carding machine should be included very
A small amount of staple fiber.Normal length is considered as staple fiber less than 12mm fibers.Give cotton component, especially mote knife, point comb member
Part, collecting plate and licker-in bottom drain can damage fiber surface, and lead to fibrous fracture to the physical treatment of fiber.Existing machine does not have
Have and provide processing so that its is not broken to low strength cotton fiber.As a result, existing carding machine could not control or fully reduce institute
The staple fiber amount of the combing sliver of production.
In addition, carding machine is possibly used for a variety of materials such as jute, flax, ramie, hemp, sticky-cotton, low strength cotton
Flower, long-staple cotton and cotton of short staple.But in order to process different materials, existing carding machine needs to be carried out according to the material of feeding
Adjustment.For example, in order to produce long-staple cotton and cotton of short staple, the component of different types of combing metal-toothed and different structure is needed.This
The machine operation time for causing loss valuable.Existing carding machine another disadvantage is that not to excellent when staple fiber is discharged
The quantity of good fiber is controlled.In addition, with the accumulation of waste fiber, the region below carding machine is easily on fire.
Existing carding machine -200710199995.9；Carding machine -201410604966.6；Carding machine-
201410382753.3;Carding machine -201080011321.1；Although all having done a little improvement to existing carding machine, it is combed
The efficiency of fiber or low is managed, needs more than 15 times that suitable fiber could have been arrived after combing repeatedly, efficiency is extremely inefficient.
Utility model content
Technical problem to be solved in the utility model is generally speaking to provide a kind of carding machine；The technology solved in detail is asked
Content specifically describes in aftermentioned content and in combining specific embodiment for topic and acquirement advantageous effect.
To solve the above problems, technical solution adopted in the utility model is：
A kind of carding machine, including rack and the feeding roller being set gradually from left to right in rack, carding cylinder and
Doffer；The left part of carding cylinder is provided with feed inlet, the right part of carding cylinder is provided with material guide port；
More than one miscellaneous fiber discharging window is distributed between feed inlet and material guide port；
By being provided with miscellaneous fiber discharging window so that miscellaneous fiber is discharged by the window, so that absorption is in carding roller
On the continuation of thin cashmere rotated with roller, so as to fulfill separation, improve impurity-eliminating effect.
Miscellaneous fiber discharging window is the arcuate structure concentric with carding cylinder axle center, and the axial width of miscellaneous fiber discharging window is not small
In the axle center span of the carding roller of carding cylinder；The arc length width of miscellaneous fiber discharging window, which is more than from the miscellaneous fiber discharging window, to be combed out
Miscellaneous fiber length；
By the design of above-mentioned window structure, miscellaneous fiber is preferably discharged.
Removal of impurities fiber knife is installed between material guide port and miscellaneous fiber discharging window and/or between adjacent miscellaneous fiber discharging window
Frame；It is provided between the carding roller lateral wall of carding cylinder and the intrados for the fiber knife rest that cleans for by the excessively fine of fiber
Tie up channel.It is detached so as to fulfill guide.
The removal of impurities fiber knife rest can be mote knife.
It when applicant is in prototype test, is found surprisingly that, miscellaneous fiber discharging window is not The more the better, is expected not
The discovery arrived is when miscellaneous fiber discharging window is three, best results, fiber particularly animal origin, especially cashmere, only
It needed three times, and greatly improved efficiency, and reduced energy consumption, tool has an unexpected effect.If in carding cylinder
The heart establishes coordinate, and it is best which, which is located in upper right quarter, that is, first quartile of the coordinate,.
Corresponding miscellaneous fiber knife rest：Miscellaneous fiber discharging window be sequentially distributed carding cylinder carding roller periphery three
It is a：Thick miscellaneous fiber discharging window, in miscellaneous fiber discharging window and thin miscellaneous fiber discharging window；In thick miscellaneous fiber discharging window miscellaneous fibre in
Be provided between dimension discharging window along the carding roller of carding cylinder it is axially mounted except thick miscellaneous fiber knife rest；In thin miscellaneous fiber discharging window
Be provided between miscellaneous fiber discharging window in along the carding roller of carding cylinder it is axially mounted remove in miscellaneous fiber knife rest；In thin miscellaneous fibre
Be provided between dimension discharging window and material guide port along the carding roller of carding cylinder it is axially mounted except thin miscellaneous fiber knife rest.
Miscellaneous fiber discharging window is distributed in carding cylinder upper right side.
Corresponding miscellaneous fiber discharging window arc length size, enterprise according to miscellaneous fibre length size and can plan as a whole normal distribution,
By the removal of impurities fiber combed be divided into thick miscellaneous fiber, in miscellaneous fiber and thin miscellaneous three groups of fiber be obvious；Thick miscellaneous fiber
Discharge window arc length width be thick miscellaneous fibre length the high limit of size, in miscellaneous fiber discharging window arc length width be in miscellaneous fiber it is long
The high limit of size of degree, the arc length width of thin miscellaneous fiber discharging window is the high limit of size of thin miscellaneous fibre length.So that window arc
Long reasonable wide is customized, and preferably clean fiber.
Except thick miscellaneous fiber knife rest, remove in miscellaneous fiber knife rest and except the thin miscellaneous fiber knife rest removal of impurities fiber identical for structure
Knife rest；
Except the Roound edge of thick miscellaneous fiber knife rest, remove in miscellaneous fiber knife rest Roound edge and except thin miscellaneous fiber knife rest
Roound edge each along carding cylinder carding roller tangential direction set；
Positioned at Roound edge rear portion export fiber knife face carding cylinder axis direction projection be parabolic structure.
By arc structure, avoid point of a knife too sharp and chopped fibers, while be preferably oriented to fiber, pass through throwing
Object line designs so that fiber is not easy to stockpile on knife face, preferably discharges, and improves discharging efficiency.
It discharges in miscellaneous fiber and cover board impurity removed system is installed between window and feed inlet.
Air draught hopper there are one being respectively provided on the right side of each miscellaneous fiber discharging window；The tail end of air draught hopper is connected by pipeline
There is mutual ventilated box, mutual ventilated box is communicated with the import of conveying fan, and the outlet of conveying fan has wind pipe.Pass through wind turbine
With hopper so as to absorb the fiber of discharge, hopper inner cavity is preferably pyramidal structure, so as to preferably distribute wind-force.
Air draught hopper is non-conductive material, such as sub- Gree etc..Air draught hopper is connected with static eliminator.It is quiet so as to discharge
Electricity prevents fiber from securely and reliably, preventing fibril aggregation with electrostatic.
Wind pipe is communicated with miscellaneous fiber collecting box, realizes automatic collection, is provided on mutual ventilated box for observation pair
Answer the suction pipeline observation window of the feed pipe suction effect of air draught hopper.Consequently facilitating concentrate the suction feelings for observing each pipeline
Condition prevents line clogging.
The utility model is designed reasonably, of low cost, durable, safe and reliable, easy to operate, time saving and energy saving, saving
It is fund, compact-sized and easy to use.
The beneficial effects of the utility model description without being limited thereto, in order to preferably be easy to understand, in specific embodiment portion
Divide and carried out more detailed description.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the structure diagram of the utility model air draught hopper.
Fig. 3 is the deployed configuration schematic diagram of the utility model carefully miscellaneous fiber discharging window.
Fig. 4 is the structure diagram that the utility model removes thick miscellaneous fiber knife rest.
Wherein：1st, rack；2nd, feeding roller；3rd, carding cylinder；4th, doffer；5th, cover board impurity removed system；6th, thick miscellaneous fiber discharging
Window；7th, miscellaneous fiber discharging window in；8th, thin miscellaneous fiber discharging window；9th, material guide port；10th, except thick miscellaneous fiber knife rest；11st, miscellaneous fiber in removing
Knife rest；12nd, except thin miscellaneous fiber knife rest；13rd, intrados；14th, fiber channel is crossed；15th, fiber knife face is exported；16th, Roound edge；
17th, air draught hopper；18th, mutual ventilated box；19th, conveying fan；20th, wind pipe；21st, suction pipeline observation window；22nd, miscellaneous fiber is received
Header.
Specific embodiment
As shown in Figs 1-4, the carding machine of the present embodiment including rack 1 and is set gradually from left to right in rack 1
Feeding roller 2, carding cylinder 3 and doffer 4；The left part of carding cylinder 3 is provided with feed inlet, is set in the right part of carding cylinder 3
It is equipped with material guide port 9；
More than one miscellaneous fiber discharging window is distributed between feed inlet and material guide port 9；
By being provided with miscellaneous fiber discharging window so that miscellaneous fiber is discharged by the window, so that absorption is in carding roller
On the continuation of thin cashmere rotated with roller, so as to fulfill separation, improve impurity-eliminating effect.
Miscellaneous fiber discharging window is the arcuate structure concentric with 3 axle center of carding cylinder, and the axial width of miscellaneous fiber discharging window is not
Less than the axle center span of the carding roller of carding cylinder 3；The arc length width of miscellaneous fiber discharging window is more than from the miscellaneous fiber discharging window comb
The length of miscellaneous fiber managed out；
By the design of above-mentioned window structure, miscellaneous fiber is preferably discharged.
Removal of impurities fiber is installed between material guide port 9 and miscellaneous fiber discharging window and/or between adjacent miscellaneous fiber discharging window
Knife rest；It is provided with to pass through fiber between the carding roller lateral wall of carding cylinder 3 and the intrados 13 for the fiber knife rest that cleans
Cross fiber channel 14.It is detached so as to fulfill guide.
The removal of impurities fiber knife rest can be mote knife.
It when applicant is in prototype test, is found surprisingly that, miscellaneous fiber discharging window is not The more the better, is expected not
The discovery arrived is when miscellaneous fiber discharging window is three, best results, fiber particularly animal origin, especially cashmere, only
It needed three times to five times, and greatly improved efficiency, and reduced energy consumption, tool has an unexpected effect.If with carding
Coordinate is established at 3 center of cylinder, and it is best which, which is located in upper right quarter, that is, first quartile of the coordinate,.
Corresponding miscellaneous fiber knife rest：Miscellaneous fiber discharging window is the carding roller periphery being sequentially distributed in carding cylinder 3
Three：Thick miscellaneous fiber discharging window 6, in miscellaneous fiber discharging window 7 and thin miscellaneous fiber discharging window 8；Thick miscellaneous fiber discharging window 6 with
In be provided between miscellaneous fiber discharging window 7 along the carding roller of carding cylinder 3 it is axially mounted except thick miscellaneous fiber knife rest 10；Thin miscellaneous
Fiber discharge window 8 and in be provided between miscellaneous fiber discharging window 7 along the carding roller of carding cylinder 3 it is axially mounted remove in miscellaneous fiber
Knife rest 11；It is provided between thin miscellaneous fiber discharging window 8 and material guide port 9 along the carding roller of carding cylinder 3 is axially mounted and removed carefully
Miscellaneous fiber knife rest 12.
Miscellaneous fiber discharging window is distributed in 3 upper right side of carding cylinder.
Corresponding miscellaneous fiber discharging window arc length size, enterprise according to miscellaneous fibre length size and can plan as a whole normal distribution,
By the removal of impurities fiber combed be divided into thick miscellaneous fiber, in miscellaneous fiber and thin miscellaneous three groups of fiber be obvious；Thick miscellaneous fiber
Discharge window 6 arc length width be thick miscellaneous fibre length the high limit of size, in miscellaneous fiber discharging window 7 arc length width be in miscellaneous fiber
The high limit of size of length, the arc length width of thin miscellaneous fiber discharging window 8 is the high limit of size of thin miscellaneous fibre length.So that window
Arc length reasonable wide is customized, and preferably clean fiber
Except thick miscellaneous fiber knife rest 10, remove in miscellaneous fiber knife rest 11 and except thin miscellaneous fiber knife rest 12 is removed for structure is identical
Miscellaneous fiber knife rest；
Except the Roound edge 16 of thick miscellaneous fiber knife rest 10, remove in miscellaneous fiber knife rest 11 Roound edge 16 and except thin miscellaneous
The Roound edge 16 of fiber knife rest 12 is set each along the carding roller tangential direction of carding cylinder 3；
Export fiber knife face 15 positioned at 16 rear portion of Roound edge is projected as parabolic knot in 3 axis direction of carding cylinder
Structure.
By arc structure, avoid point of a knife too sharp and chopped fibers, while be preferably oriented to fiber, pass through throwing
Object line designs so that fiber is not easy to stockpile on knife face, preferably discharges, and improves discharging efficiency.
It discharges in miscellaneous fiber and cover board impurity removed system 5 is installed between window and feed inlet.
Air draught hopper 17 there are one being respectively provided on the right side of each miscellaneous fiber discharging window；The tail end of air draught hopper 17 passes through pipeline
Mutual ventilated box 18 is connected with, mutual ventilated box 18 is communicated with the import of conveying fan 19, and the outlet of conveying fan 19 has outlet air
Pipeline 20.By wind turbine and hopper so as to absorb the fiber of discharge, hopper inner cavity is preferably pyramidal structure, so as to preferably distribute
Wind-force.
Air draught hopper 17 is non-conductive material, such as sub- Gree etc..Air draught hopper 17 is connected with static eliminator.So as to release
Electrostatic discharge prevents fiber from securely and reliably, preventing fibril aggregation with electrostatic.
Wind pipe 20 is communicated with miscellaneous fiber collecting box 22, realizes automatic collection, is provided with and is used on mutual ventilated box 18
The suction pipeline observation window 21 of the feed pipe suction effect of the corresponding air draught hopper 17 of observation.Each pipeline is observed consequently facilitating concentrating
Suction situation, prevent line clogging.
The utility model is designed reasonably, of low cost, durable, safe and reliable, easy to operate, time saving and energy saving, saving
It is fund, compact-sized and easy to use.
The utility model, which fully describes, to be disclosed in order to more clear, and the prior art is just no longer enumerated.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can modify to the technical solution recorded in previous embodiment or which part technical characteristic is equal
It replaces；It is obvious that multiple technical solutions of the utility model, which are combined, as those skilled in the art.And these
Modification is replaced, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (10)
1. a kind of carding machine, including rack (1) and the feeding roller (2) being set gradually from left to right in rack (1), carding
Cylinder (3) and doffer (4)；The left part of carding cylinder (3) is provided with feed inlet, is provided with and leads in the right part of carding cylinder (3)
Material mouth (9)；
It is characterized in that：More than one miscellaneous fiber discharging window is distributed between feed inlet and material guide port (9)；
Miscellaneous fiber discharging window is the arcuate structure concentric with carding cylinder (3) axle center, and the axial width of miscellaneous fiber discharging window is not small
In the axle center span of the carding roller of carding cylinder (3)；The arc length width of miscellaneous fiber discharging window is more than from the miscellaneous fiber discharging window comb
The length of miscellaneous fiber managed out；
Removal of impurities fiber knife is installed between material guide port (9) and miscellaneous fiber discharging window and/or between adjacent miscellaneous fiber discharging window
Frame；It is provided with to pass through fibre between the carding roller lateral wall of carding cylinder (3) and the intrados (13) for the fiber knife rest that cleans
Dimension crosses fiber channel (14).
2. carding machine according to claim 1, it is characterised in that:The miscellaneous fiber discharging window is is sequentially distributed in carding tin
Three of the carding roller periphery of woods (3)：Thick miscellaneous fiber discharging window (6), in miscellaneous fiber discharging window (7) and thin miscellaneous fiber
Discharge window (8)；The carding along carding cylinder (3) is provided between thick miscellaneous fiber discharging window (6) miscellaneous fiber in discharges window (7)
Roller it is axially mounted except thick miscellaneous fiber knife rest (10)；It is set between thin miscellaneous fiber discharging window (8) miscellaneous fiber in discharges window (7)
Have along the carding roller of carding cylinder (3) it is axially mounted remove in miscellaneous fiber knife rest (11)；In thin miscellaneous fiber discharging window (8) and guide
Be provided between mouthful (9) along the carding roller of carding cylinder (3) it is axially mounted except thin miscellaneous fiber knife rest (12).
3. carding machine according to claim 2, it is characterised in that:Miscellaneous fiber discharging window is distributed in carding cylinder (3) upper right
Side.
4. carding machine according to claim 2, it is characterised in that:The removal of impurities fiber that enterprise is combed be divided into thick miscellaneous fiber,
In miscellaneous fiber and thin miscellaneous three groups of fiber；The arc length width of thick miscellaneous fiber discharging window (6) is the upper limit ruler of thick miscellaneous fibre length
It is very little, in miscellaneous fiber discharging window (7) arc length width be in miscellaneous fibre length the high limit of size, the arc of thin miscellaneous fiber discharging window (8)
Long width is the high limit of size of thin miscellaneous fibre length.
5. carding machine according to claim 2, it is characterised in that:Except thick miscellaneous fiber knife rest (10), remove in miscellaneous fiber knife rest
(11) and except thin miscellaneous fiber knife rest (12) the removal of impurities fiber knife rest identical for structure；
Except the Roound edge (16) of thick miscellaneous fiber knife rest (10), remove in miscellaneous fiber knife rest (11) Roound edge (16) and remove
The Roound edge (16) of thin miscellaneous fiber knife rest (12) is set each along the carding roller tangential direction of carding cylinder (3)；
Export fiber knife face (15) positioned at Roound edge (16) rear portion is projected as parabolic knot in carding cylinder (3) axis direction
Structure.
6. carding machine according to claim 1, it is characterised in that:It discharges in miscellaneous fiber and lid is installed between window and feed inlet
Plate impurity removed system (5).
7. carding machine according to claim 1 or 2, it is characterised in that:It is both provided on the right side of each miscellaneous fiber discharging window
One air draught hopper (17)；The tail end of the air draught hopper (17) is connected with mutual ventilated box (18), mutual ventilated box by pipeline
(18) import of conveying fan (19) is communicated with, the outlet of conveying fan (19) has wind pipe (20).
8. carding machine according to claim 7, it is characterised in that:Air draught hopper (17) is non-conductive material.
9. carding machine according to claim 7, it is characterised in that:Air draught hopper (17) is connected with static eliminator.
10. carding machine according to claim 7, it is characterised in that:Wind pipe (20) is communicated with miscellaneous fiber collecting box
(22) and/or on mutual ventilated box (18) be provided with for observe corresponding air draught hopper (17) feed pipe suction effect suction
Pipeline observation window (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721383697.0U CN207525395U (en) | 2017-10-25 | 2017-10-25 | Carding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721383697.0U CN207525395U (en) | 2017-10-25 | 2017-10-25 | Carding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207525395U true CN207525395U (en) | 2018-06-22 |
Family
ID=62570895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721383697.0U Expired - Fee Related CN207525395U (en) | 2017-10-25 | 2017-10-25 | Carding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207525395U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764050A (en) * | 2020-06-19 | 2020-10-13 | 北京卫星制造厂有限公司 | Insulation board production line |
| CN112251851A (en) * | 2020-10-23 | 2021-01-22 | 安徽省农业科学院棉花研究所 | High-performance cotton fiber dust removal equipment |
-
2017
- 2017-10-25 CN CN201721383697.0U patent/CN207525395U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764050A (en) * | 2020-06-19 | 2020-10-13 | 北京卫星制造厂有限公司 | Insulation board production line |
| CN111764050B (en) * | 2020-06-19 | 2021-08-10 | 北京卫星制造厂有限公司 | Insulation board production line |
| CN112251851A (en) * | 2020-10-23 | 2021-01-22 | 安徽省农业科学院棉花研究所 | High-performance cotton fiber dust removal equipment |
| CN112251851B (en) * | 2020-10-23 | 2022-04-05 | 安徽省农业科学院棉花研究所 | High-performance cotton fiber dust removal equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20201025 |