CN112781987A - Device and method for measuring fibrillation degree of lyocell fibers - Google Patents
Device and method for measuring fibrillation degree of lyocell fibers Download PDFInfo
- Publication number
- CN112781987A CN112781987A CN202110019436.5A CN202110019436A CN112781987A CN 112781987 A CN112781987 A CN 112781987A CN 202110019436 A CN202110019436 A CN 202110019436A CN 112781987 A CN112781987 A CN 112781987A
- Authority
- CN
- China
- Prior art keywords
- compression roller
- fibrillation
- lyocell
- degree
- pivot
- 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.)
- Pending
Links
- 229920000433 Lyocell Polymers 0.000 title claims abstract description 35
- 206010061592 cardiac fibrillation Diseases 0.000 title claims abstract description 29
- 230000002600 fibrillogenic effect Effects 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 22
- 238000007906 compression Methods 0.000 claims abstract description 22
- 239000000835 fiber Substances 0.000 claims abstract description 20
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000007380 fibre production Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- LFTLOKWAGJYHHR-UHFFFAOYSA-N N-methylmorpholine N-oxide Chemical compound CN1(=O)CCOCC1 LFTLOKWAGJYHHR-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/30—Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2873—Cutting or cleaving
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Automation & Control Theory (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
A device and a method for measuring fibrillation degree of lyocell fibers belong to the technical field of mechanical equipment and measurement. The frame is formed by the channel-section steel welding, and the both sides support of frame has an axle support hole, and the pivot of compression roller both sides is connected respectively in the axle support hole, and the compression roller is formed by the shutoff welding in nonrust steel pipe both ends, inlays the pivot, and the speed reducer is connected to the motor, and the output shaft of speed reducer is connected with the pivot of compression roller, and speed adjusting device is connected with the frame, and speed adjusting device is connected with the motor electricity. The method can be used for rapidly determining the fibrillation degree of the fibers in the lyocell fiber production process, and can be used for guiding the production process more conveniently and effectively. The fibrillation degree of the lyocell fiber can be quickly detected by the device, and the device plays a guiding role in controlling the production process of the lyocell fiber. The degree of fibrillation of lyocell fibres is an important indicator of the degree of fibrillation in the production of lyocell fibres.
Description
Technical Field
The invention belongs to the technical field of mechanical equipment and measurement, and relates to equipment and a method for measuring the fibrillation degree of lyocell fibers.
Background
The lyocell fiber is one of regenerated cellulose fibers, which is made from wood pulp of plant origin through a solvent spinning method to form cellulose fiber, and then the cellulose fiber is woven into textile to enter the consumer market, and the product can be completely decomposed in soil. The NMMO solvent used in the production is nontoxic and pollution-free, can be recycled, the whole fiber production process is environment-friendly, and the solvent recovery rate can reach more than 99%, so the lyocell fiber is called as '21 st century green fiber'.
Currently, lyocell fiber production is a new material and technology, and some detection equipment is lacked in the production process.
Disclosure of Invention
The invention solves the technical problems in the prior art, and provides equipment and a method for measuring the fibrillation degree of lyocell fibers. Through the equipment, the fibrillation degree of the fibers in the lyocell fiber production process can be quickly measured, and the production process can be guided simply, conveniently and effectively.
The utility model provides a measuring equipment of lyocell fibre fibrillation degree, the frame is formed by the channel-section steel welding, and the both sides support of frame has axle supporting hole, and the pivot of compression roller both sides is connected respectively to axle supporting hole, and the compression roller is formed by the shutoff welding of stainless steel pipe both ends, inlays the pivot, and the speed reducer is connected to the motor, and the output shaft of speed reducer is connected with the pivot of compression roller, and speed adjusting device is connected with the frame, and speed adjusting device is connected with the motor electricity.
The motor passes through the coupling joint speed reducer, and the output shaft of speed reducer passes through the coupling joint with the pivot of compression roller, and the pivot hole of axle support is respectively through the pivot of bearing connection compression roller both sides.
A method of measuring the degree of fibrillation of lyocell fibres, comprising the steps of: soaking the white poplin cloth in water, flatly paving the white poplin cloth on a compression roller, setting the linear speed of the compression roller to be 6.0m/mim, cutting the test fiber into 30cm long, fixing one end of the test fiber on a rack, applying 9.4g of load to the other end of the test fiber, tightly attaching the test fiber to the white poplin cloth on the surface of the compression roller, starting a motor, and counting the time of friction fracture of the test fiber by using a stopwatch.
The change in Lyocell fibre when subjected to frictional stress in the wet state can be used to characterise the degree of fibrillation with the wet friction value. An apparatus for measuring the degree of fibrillation is designed according to the conditions under which fibrillation is generated. By controlling the influence factors such as wrapping cloth, humidity, smoothness of a grinding roller and the like, during testing, the all-cotton white poplin cloth is soaked in water, is flatly laid on a stainless steel grinding roller of a measuring instrument, cannot have bubbles, and is wrapped on the whole periphery of a roller surface; the tested fiber sample is soaked in water; the linear velocity of the roller of the measuring instrument is set to be 6.0m/mim, and the roller is required to rotate at a constant speed. And obtaining a measuring result with higher repeatability. The influence of the filament bundle fineness obtained based on the experiment on the wet friction value is linear and beautiful, and a reasonable and simple sample preparation scheme is provided.
The method can be used for rapidly determining the fibrillation degree of the fibers in the lyocell fiber production process, and can be used for guiding the production process more conveniently and effectively. The fibrillation degree of the lyocell fiber can be quickly detected by the device, and the device plays a guiding role in controlling the production process of the lyocell fiber. The degree of fibrillation of lyocell fibres is an important indicator of the degree of fibrillation in the production of lyocell fibres.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. As shown in the figure:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the rack structure of the present invention.
Fig. 3 is a schematic view of the motor of the present invention.
Fig. 4 is a schematic structural diagram of the speed reducer of the present invention.
Fig. 5 is a schematic structural diagram of the speed regulating device of the present invention.
The invention is further illustrated with reference to the following figures and examples.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: as shown in fig. 1, 2, 3, 4 and 5, a lyocell fiber fibrillation degree measuring apparatus includes a motor 1, a speed reducer 2, a frame 3, a press roll 4 and a speed adjusting device 5. Frame 3 is formed by the channel-section steel welding, the both sides support of frame 3 has the axle support hole, the pivot of compression roller 4 both sides is connected respectively in the axle support hole, compression roller 4 is formed by nonrust steel pipe (phi 159, length 200mm) both ends shutoff welding, inlay the pivot, the staving is polished smoothly, and guarantee that the cask moves, static balance, motor 1 connects speed reducer 2, the output shaft of speed reducer 2 is connected with the pivot of compression roller 4, speed adjusting device 5 is connected with frame 3, speed adjusting device 5 is connected with motor 1 electricity.
The reducer 2 and the motor 1 are purchased from standard parts, and the motor power is 250W. The speed regulating device 5 is a purchased standard component, the speed regulating device 5 is provided with a knob 6 for speed regulation, and the operation is simple and convenient.
The motor 1 is connected with the speed reducer 2 through a coupler, an output shaft of the speed reducer 2 is connected with a rotating shaft of the compression roller 4 through a coupler, and shaft supporting holes are respectively connected with rotating shafts on two sides of the compression roller 4 through bearings.
A method of measuring the degree of fibrillation of lyocell fibres, comprising the steps of: when the fibrillation degree of the lyocell fiber is measured, the friction value of the fiber in a wet state of the lyocell fiber in a lyocell fiber production system is detected.
The method has the advantages of convenient and quick test and good stability, can quickly detect the fibrillation degree of the fiber, and has important significance for guiding the production process of the lyocell fiber in time.
The equipment for measuring the fibrillation degree of the lyocell fiber is suitable for a lyocell fiber production system; the equipment for measuring the fibrillation degree of the lyocell fibers is equipment for measuring the fibrillation degree of the lyocell fibers by a wet friction method.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. The utility model provides a measuring equipment of lyocell fibre fibrillation degree, its characterized in that frame is formed by the channel-section steel welding, and the both sides support of frame has axle support hole, and the pivot of compression roller both sides is connected respectively in the axle support hole, and the compression roller is formed by the shutoff welding in stainless steel pipe both ends, inlays the pivot, and the speed reducer is connected to the motor, and the output shaft of speed reducer is connected with the pivot of compression roller, and speed adjusting device is connected with the frame, and speed adjusting device is connected with the motor electricity.
2. The lyocell fiber fibrillation degree measuring apparatus according to claim 1, wherein the motor is coupled to the speed reducer through a coupling, an output shaft of the speed reducer is coupled to the rotating shaft of the pressure roller through a coupling, and shaft support holes are respectively coupled to the rotating shafts on both sides of the pressure roller through bearings.
3. A method for measuring the degree of fibrillation of lyocell fibers, characterized by comprising the steps of: comprises the following steps: soaking the white poplin cloth in water, flatly paving the white poplin cloth on a compression roller, setting the linear speed of the compression roller to be 6.0m/mim, cutting the test fiber into 30cm long, fixing one end of the test fiber on a rack, applying 9.4g of load to the other end of the test fiber, tightly attaching the test fiber to the white poplin cloth on the surface of the compression roller, starting a motor, and counting the time of friction fracture of the test fiber by using a stopwatch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110019436.5A CN112781987A (en) | 2021-01-07 | 2021-01-07 | Device and method for measuring fibrillation degree of lyocell fibers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110019436.5A CN112781987A (en) | 2021-01-07 | 2021-01-07 | Device and method for measuring fibrillation degree of lyocell fibers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112781987A true CN112781987A (en) | 2021-05-11 |
Family
ID=75756807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110019436.5A Pending CN112781987A (en) | 2021-01-07 | 2021-01-07 | Device and method for measuring fibrillation degree of lyocell fibers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112781987A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115876587A (en) * | 2022-12-12 | 2023-03-31 | 山东鑫浩冠新材料科技有限公司 | Lyocell fiber fibrillation degree measuring equipment |
-
2021
- 2021-01-07 CN CN202110019436.5A patent/CN112781987A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115876587A (en) * | 2022-12-12 | 2023-03-31 | 山东鑫浩冠新材料科技有限公司 | Lyocell fiber fibrillation degree measuring equipment |
| CN115876587B (en) * | 2022-12-12 | 2023-08-29 | 浙江浩铭机械科技有限公司 | Measuring equipment for fibrillation degree of lyocell fibers |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112781987A (en) | Device and method for measuring fibrillation degree of lyocell fibers | |
| JPH0229772B2 (en) | ||
| CN108195702A (en) | A kind of fibre abrasion system safety testing device and method | |
| CN214373884U (en) | Lyocell fiber fibrillation degree measuring equipment | |
| CN111487396A (en) | Method for testing hair shedding performance of clothing fabric | |
| CN208607135U (en) | A kind of carbon fiber friction coefficient testing device | |
| CN108169052B (en) | Carbon fiber application manufacturability testing device and testing method | |
| CN207036028U (en) | Fiber-optic twist degree measurement apparatus | |
| CN113029840A (en) | Determination method for detecting lyocell fiber wet-grinding loss value | |
| CN206529140U (en) | A kind of carbon fiber gumming device | |
| CN107190377A (en) | The device and method of on-line checking ring throstle spinning tension | |
| CN207923637U (en) | A kind of fibre abrasion system safety testing device | |
| CN217717236U (en) | Stretching device for measuring displacement of steel wire | |
| CN208607078U (en) | Textile fabric normal load deformation testing device | |
| CN207331159U (en) | The device of on-line checking ring throstle spinning tension | |
| CN206848053U (en) | A kind of clamping device for single fiber hygrometric state tensile strength machine | |
| Huang et al. | Predicting end breakage rates in worsted spinning: part I: measuring dynamic yarn strength and tension | |
| Graham et al. | Development of a method to measure cotton spinnability | |
| CN103630462B (en) | A kind of method and device detecting cotton fiber fineness and degree of ripeness | |
| CN209215084U (en) | A kind of finished product cotton quality detection device with detection fibre strength | |
| CN201555813U (en) | Humidity continuous measuring device based on microwave sensor technology | |
| CN212560605U (en) | Composite fiber production compression roller pressure device | |
| CN212771151U (en) | Tension and pressure detection device | |
| Mustata | Mechanical behaviour in the wet and dry stage of romanian yarns made from flax and hemp | |
| Simpson et al. | The Effect of Testing Conditions on Fiber Drag: Part I: Dynamic Method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220309 Address after: 253200 northwest corner of the intersection of West Outer Ring Road and Yincheng Road, Xiajin County Economic Development Zone, De Zhou City, Shandong Province Applicant after: Shandong Hongtai Dingxin Material Technology Co.,Ltd. Address before: 3 / f-045, huannuo building, 1568 South Ring Road, Changhe street, Binjiang District, Hangzhou, Zhejiang 310000 Applicant before: Hangzhou rongkaisheng Technology Co.,Ltd. |