CN115876587A - Lyocell fiber fibrillation degree measuring equipment - Google Patents
Lyocell fiber fibrillation degree measuring equipment Download PDFInfo
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- CN115876587A CN115876587A CN202211600602.1A CN202211600602A CN115876587A CN 115876587 A CN115876587 A CN 115876587A CN 202211600602 A CN202211600602 A CN 202211600602A CN 115876587 A CN115876587 A CN 115876587A
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Abstract
The invention relates to the technical field of fiber detection, in particular to equipment for measuring the fibrillation degree of lyocell fibers, which comprises a base, a rotary drum box, a rotary drum, a power unit, a swinging unit, an electromagnetic unit and a control unit, wherein the base is provided with a base frame; the top of the left side of the base is fixedly provided with a rotary drum box; a power unit is fixedly arranged at the top of the right side of the base; swing units are fixedly arranged on two sides of the base below the rotary drum box; the electromagnetic unit is fixedly arranged on the swinging unit; a rotary drum is rotatably arranged in the rotary drum box; a plurality of air holes are formed in the outer surface of the rotary drum; the air holes are arranged in an array on the rotary drum; the power unit, the swinging unit and the electromagnetic unit are electrically connected with the control unit, the fibrillation degree of the lyocell fiber can be accurately measured by single-direction and two-direction friction, the fibrillation degrees of a plurality of different lyocell fibers can be simultaneously measured, and the influence of the reactive dye on the fibrillation of the lyocell fiber can be detected by the two-direction friction.
Description
Technical Field
The invention relates to the technical field of fiber detection, in particular to equipment for measuring the fibrillation degree of lyocell fibers.
Background
Along with the development of society, the emergence of lyocell fiber greatly alleviates the problem of resource shortage, and lyocell fiber takes natural plant fiber as raw material, and has multiple excellent performances of natural fiber and synthetic fiber, lyocell is green fiber, the raw material is inexhaustible cellulose in nature, the production process has no chemical reaction, the used solvent is nontoxic, lyocell fiber is widely applied, and can be widely applied to high-end application fields such as beauty health care, light textile, aerospace, nursing protection, luxury brand clothing base materials and the like at present, lyocell fiber can increase the softness, comfort, drapability and elegance of products, and is widely applied to conventional textiles, such as high-end shirts, high-end women suits, high-end jeans, high-count thin fashion clothes and underwear, sportswear, casual clothing, wool-like fabrics, coarse twill work clothes, plush clothes, casual clothing and the like, and lyocell needs to be dyed in the production process to be made into various products.
The lyocell fiber is used for detecting whether the produced lyocell fiber is qualified or not in the production process, and the lyocell fiber with each different standard can be manufactured into different products, so that the application of the lyocell fiber in various fields is greatly improved, the measurement of the fibrillation of the lyocell fiber is also an important detection index, and products with different styles and types can be manufactured by fibrillation with different degrees, therefore, the prior art also discloses some solutions, such as: the Yuanwei of Donghua university, under the guidance of the teacher Wanghua, published a paper on the study of fibrillation of Lyoce11 fiber and fibrillation of antigen at 1 st 6 of 2020, and the detailed description of the method for detecting lyocell fibrillation is described in this paper.
In the process of fibrillation detection of the lyocell fiber, the lyocell fiber needs to be accurately detected by various devices, and because the fibrillation of the lyocell fiber has a plurality of different detection methods, different detection methods and corresponding detection devices are different, for example, the invention of Chinese patent: CN214373884U (published: 2021-10-08) discloses a lyocell fiber fibrillation degree measuring device, which comprises a frame, wherein the frame is formed by welding channel steel, shaft support holes are formed in supports on two sides of the frame and are respectively connected with rotating shafts on two sides of a press roller, the press roller is formed by plugging and welding two ends of a stainless steel pipe, a rotating shaft is embedded, a motor is connected with a speed reducer, an output shaft of the speed reducer is connected with the rotating shaft of the press roller, a speed regulating device is connected with the frame, and the speed regulating device is electrically connected with the motor.
In view of the above, the present invention provides an improved and optimized lyocell fiber fibrillation degree measuring device based on the existing lyocell fiber fibrillation degree measurement.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention provides equipment for measuring the fibrillation degree of lyocell fibers, which not only can accurately measure, but also can detect the fibrillation degree of the lyocell fibers by single-direction and two-direction friction, can simultaneously measure the fibrillation degrees of a plurality of different lyocell fibers, can detect the influence of reactive dyes on the fibrillation of the lyocell fibers by the two-direction friction, improves the detection efficiency, and simultaneously reduces the influence caused by human errors.
The invention provides the following technical scheme: a measuring device for fibrillation degree of lyocell fibers comprises a base, a rotary drum box, a rotary drum, a power unit, a swinging unit, an electromagnetic unit and a control unit; the inner part of the left side of the base is of a hollow cuboid structure; a rotary drum box is fixedly arranged at the top of the left side of the base; a power unit is fixedly mounted at the top of the right side of the base; the power unit is used for driving the rotary drum; swing units are fixedly arranged on two sides of the base below the rotary drum box; the swinging unit is used for pulling a measured object; the electromagnetic unit is fixedly arranged on the swinging unit; the electromagnetic unit is used for fixing a measured object; a rotary drum is rotatably arranged in the rotary drum box; the rotary drum is of a hollow structure, and a plurality of air holes are formed in the outer surface of the rotary drum; the air holes are arranged in an array on the rotary drum; the outer surface of the rotary drum is provided with a plurality of air holes so as to prevent the white silk cloth from generating air bubbles when the white silk cloth wets and wraps the rotary drum; the power unit, the swinging unit and the electromagnetic unit are electrically connected with the control unit; the control unit respectively controls the motion of the power unit, the swing unit and the electromagnetic unit.
The inner part of the rotary drum box is of a hollow semi-cylindrical structure; a round hole is formed in the right side of the rotary drum box and penetrates through the inner wall of the left side of the rotary drum box; round holes are formed in the left side and the right side of the rotary drum box and used for rotatably mounting the rotary drum; a plurality of pulleys are respectively arranged on the bottom edges of the front side and the rear side of the rotary drum box; the bottom edges of the front side and the rear side of the rotary drum box are respectively provided with a plurality of pulleys so as to prevent the conditions that the lyocell fibers generate friction on the two sides of the bottom of the rotary drum box, the lyocell fibers are broken, the measuring result is wrong and the like, and the bottom of the rotary drum box is provided with a through hole; the bottom of the rotary drum box is provided with a through hole for fixedly connecting a water pipe in a sealing way.
The swing unit comprises a rectangular block, a servo motor, a second rotating shaft and a rectangular frame; the rectangular block is fixedly arranged at the top of the right side of the base; the servo motor is fixedly arranged on the rectangular block; a second rotating shaft is fixedly arranged on the servo motor; the servo motor is used for controlling the swinging of the rectangular frame; cylinders are arranged inside the left end and the right end of the rectangular frame; the cylinders at the left end and the right end of the rectangular frame are rotatably arranged on the left end and the right end of the base; the second rotating shaft is fixedly arranged at the central position of the outer side of the right end of the rectangular frame; a plurality of circular grooves are formed in the top of the front end of the rectangular frame; the top of the front end of the rectangular frame is provided with a plurality of circular grooves for mounting a first electromagnet and a first permanent magnet; the rear end of the rectangular frame is provided with a plurality of rectangular grooves, and rectangular grooves are transversely formed in the bottoms of the rectangular grooves; the rear end of the rectangular frame is provided with a plurality of rectangular grooves for mounting clamping blocks; rectangular recess is transversely seted up in rectangular recess bottom and is used for installing No. two electro-magnets and No. two permanent magnets.
The power unit comprises a bracket, a speed reducing motor and a first rotating shaft; the bottom of the bracket is fixedly arranged on a rectangular block at the right end of the base; a speed reducing motor is fixedly arranged on the top of the bracket; a first rotating shaft is fixedly arranged on the speed reducing motor; the first rotating shaft is fixedly installed with the rotating drum; the speed reducing motor is used for driving the rotary drum to rotate.
The electromagnetic unit comprises a clamping block, a first permanent magnet, a second permanent magnet, a first electromagnet and a second electromagnet; the first electromagnet is of a round block type structure; the first electromagnet is fixedly arranged in a circular groove in the top of the front end of the rectangular frame; the first permanent magnet is slidably arranged in the circular groove on the top of the front end of the rectangular frame; the two second electromagnets are respectively and fixedly arranged in the rectangular grooves at the rear ends of the rectangular frames; the clamping block is slidably arranged in the rectangular groove; a second permanent magnet is fixedly arranged on two sides of the bottom of the clamping block; the first electromagnet is used for controlling the movement of the first permanent magnet; and the second electromagnet and the second permanent magnet are used for controlling the clamping and the releasing of the clamping block.
A plurality of pressure sensors are fixedly arranged on the pulley shafts at the bottom edges of the front side and the rear side of the rotary drum box; a plurality of pressure sensors are fixedly mounted on the pulley shafts at the bottom edges of the front side and the rear side of the rotary drum box and used for detecting the pressure on the pulley shafts in real time.
The top of the first permanent magnet is fixedly provided with a plurality of tension sensors; and a plurality of tension sensors are fixedly arranged on the top of the first permanent magnet and are used for controlling the load at the other end of the lyocell fiber.
A water level detector is fixedly arranged on the inner wall of the rotary drum box; a water pump is fixedly arranged inside the left side of the base; the water pump is hermetically connected with a through hole at the bottom of the revolving drum through a water pipe; a water level detector is fixedly arranged on the inner wall of the rotary drum box and used for detecting the height of the water level in the rotary drum box; the inside fixed mounting in base the left side has the water pump to be used for providing rivers for the rotary drum incasement.
Both sides of the top of the rotary drum box are made of rubber materials; the two sides of the top of the rotary drum box are made of rubber materials, so that the white silk cloth on the rotary drum is prevented from being worn in the rotating process of the rotary drum, and the white silk cloth can be prevented from being stuck on the rotary drum box in the rotating process of the rotary drum.
The axial sliding range of the first permanent magnet in the circular groove at the top of the front end of the rectangular frame is 5-20cm; when the axial sliding range of the first permanent magnet in the circular groove on the top of the front end of the rectangular frame is 5-20cm, the load capacity of the lyocell fiber can be adjusted within a certain range.
The invention has the following beneficial effects:
1. according to the invention, the water pump is fixedly arranged in the base, water is supplied to the interior of the rotary drum box through the water pump, the white silk fabric on the surface of the rotary drum is quickly soaked, and meanwhile, the surface of the rotary drum is provided with a plurality of air holes, so that bubbles can be prevented from being generated; the rotation of the rotary drum can realize the measurement of the one-way friction of the lyocell fibers; the rectangular frame is fixedly installed on the base below the rotary drum box, the bidirectional friction of the lyocell fibers can be measured through the swinging of the rectangular frame, a plurality of different lyocell fibers can be measured simultaneously, and the measuring efficiency is greatly improved.
2. According to the invention, the pressure sensors are fixedly arranged on the pulleys at the bottom edges of the front side and the rear side of the rotary drum box, the stress condition of the lyocell fiber is detected in real time through the pressure sensors, and whether the lyocell fiber is broken or not is judged through the stress condition, so that the timing of the timer is controlled, the timing precision is improved, and the measurement result is more accurate and reliable.
3. According to the invention, the first electromagnet and the first permanent magnet are slidably arranged in the circular groove on the top of the front end of the rectangular frame, and the load on the lyocell fiber can be adjusted by changing the energizing current of the first electromagnet, so that the measurement precision is further improved; the clamping blocks are slidably mounted in the rectangular grooves in the top of the rear end of the rectangular frame, so that the lyocell fibers are fixed, and the operation is convenient and rapid.
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 embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a rear view of the present invention.
Fig. 4 is a right side view of the present invention.
Fig. 5 is a top view of the present invention.
Fig. 6 is a schematic perspective view of the turret case of the present invention.
Fig. 7 is a perspective view of the drum of the present invention.
Fig. 8 is a schematic perspective view of a rectangular frame according to the present invention.
Fig. 9 is an enlarged sectional view at a of fig. 2 of the present invention.
Fig. 10 is an enlarged sectional view at B of fig. 3 according to the present invention.
In the figure: the rotary drum comprises a base 1, a rotary drum box 2, a circular hole 21, a pulley 22, a rotary drum 3, an air hole 31, a power unit 4, a support 41, a speed reduction motor 42, a first rotating shaft 43, a swing unit 5, a rectangular block 51, a servo motor 52, a second rotating shaft 53, a rectangular frame 54, a cylinder 541, a circular groove 542, a rectangular groove 543, a rectangular groove 544, an electromagnetic unit 6, a clamping block 61, a first permanent magnet 62, a second permanent magnet 63, a first electromagnet 64 and a second electromagnet 65.
Detailed Description
In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.
The first embodiment is as follows: the embodiment is used for measuring the fibrillation degree of the lyocell fibers by one-way friction, the lyocell fibers are fixed by the rectangular frame 54 on the swinging unit 5, the rotary drum 3 rotates in the rotary drum box 2, the plain silk cloth on the rotary drum 3 and the lyocell fibers rub against each other, in the process, the rectangular frame 54 on the swinging unit 5 is fixed, the first electromagnet 64 on the rectangular frame 54 adjusts the current amount through the control unit, and the load amount on one end of the lyocell fibers is controlled, so that the fibrillation degree of the lyocell fibers is measured.
As shown in fig. 1, 2, 3, 4, 5, 6 and 7, a lyocell fiber fibrillation degree measuring apparatus includes a base 1, a drum box 2, a drum 3, a power unit 4, a swing unit 5, an electromagnetic unit 6, and a control unit; the inner part of the left side of the base 1 is of a hollow cuboid structure; the top of the left side of the base 1 is fixedly provided with a rotary drum box 2; a power unit 4 is fixedly arranged at the top of the right side of the base 1; the power unit 4 is used for driving the rotary drum 3; swing units 5 are fixedly arranged on two sides of the base 1 below the rotary drum box 2; the swinging unit 5 is used for pulling a measured object; the electromagnetic unit 6 is fixedly arranged on the swinging unit 5; the electromagnetic unit 6 is used for fixing a measured object; a rotary drum 3 is rotatably arranged in the rotary drum box 2; the rotating drum 3 is of a hollow structure, and a plurality of air holes 31 are formed in the outer surface of the rotating drum 3; the air holes 31 are arranged in an array on the rotary drum 3; the outer surface of the rotary drum 3 is provided with a plurality of air holes 31 for preventing the white silk cloth from generating air bubbles when the rotary drum 3 is wrapped in a wet manner; when the outer surface of the rotary drum 3 is coated with a layer of white silk cloth, the white silk cloth is soaked by water entering the interior of the rotary drum box 2, the rotary drum 3 rotates, so that the whole white silk cloth on the outer surface of the rotary drum 3 is completely wet, air can be discharged between the white silk cloth and the rotary drum 3 through the air holes 31 in the soaking process, bubbles are prevented from being formed, and therefore the friction result is influenced, and the power unit 4, the swing unit 5 and the electromagnetic unit 6 are electrically connected with the control unit; the control unit respectively controls the motion of the power unit 4, the swing unit 5 and the electromagnetic unit 6; the lyocell fiber fibrillation degree measuring device has the advantages that the lyocell fiber fibrillation degree measuring device is not interfered with each other and is coordinated to operate together, so that the stability of the whole system is guaranteed, and the lyocell fiber fibrillation degree is measured.
As shown in fig. 1, 2, 3, 5 and 6, the interior of the rotary drum box 2 is a hollow semi-cylindrical structure; a round hole 21 is formed in the right side of the rotary drum box 2, and the round hole 21 penetrates through the inner wall of the left side of the rotary drum box 2; round holes 21 are formed in the left side and the right side of the rotary drum box 2 and used for rotatably mounting the rotary drum 3; a plurality of pulleys 22 are respectively arranged on the bottom edges of the front side and the rear side of the rotary drum box 2; the plurality of pulleys 22 are respectively arranged on the bottom edges of the front side and the rear side of the rotary drum box 2, so as to prevent the conditions that the lyocell fibers are broken and the measurement result is wrong and the like due to friction generated on the two sides of the bottom of the rotary drum box 2, and a through hole is formed in the bottom of the rotary drum box 2; the bottom of the rotary drum box 2 is provided with a through hole for fixedly connecting a water pipe in a sealing manner, water is sent into the rotary drum box 2 through a water pump, and then the rotary drum 3 rotates to soak white silk cloth wrapped on the outer surface of the rotary drum 3.
As shown in fig. 1, 2, 3, 4, 5 and 8, the swing unit 5 includes a rectangular block 51, a servo motor 52, a second rotating shaft 53 and a rectangular frame 54; the rectangular block 51 is fixedly arranged at the top of the right side of the base 1; the servo motor 52 is fixedly arranged on the rectangular block 51; a second rotating shaft 53 is fixedly arranged on the servo motor 52; the servo motor 52 is used for controlling the swing of the rectangular frame 54; the front end and the rear end of the rectangular frame 54 are controlled to swing up and down through the rotation of the servo motor 52, so that the lyocell fibers are pulled to rub on the rotary drum 3; cylinders 541 are arranged inside the left end and the right end of the rectangular frame 54; the cylinders 541 at the left and right ends of the rectangular frame 54 are rotatably installed on the left and right ends of the base 1; the second rotating shaft 53 is fixedly arranged at the central position of the outer side of the right end of the rectangular frame 54; a plurality of circular grooves 542 are formed in the top of the front end of the rectangular frame 54; the top of the front end of the rectangular frame 54 is provided with a plurality of circular grooves 542 for mounting the first electromagnet 64 and the first permanent magnet 62; the load of the lyocell fiber can be adjusted through the first electromagnet 64 and the first permanent magnet 62, and the friction values of the lyocell fiber under different loads are measured; the rear end of the rectangular frame 54 is provided with a plurality of rectangular grooves 543, and the bottom of each rectangular groove 543 is transversely provided with a rectangular groove 544; the rear end of the rectangular frame 54 is provided with a plurality of rectangular grooves 543 for mounting the clamping block 61; the bottom of the rectangular groove 543 is transversely provided with a rectangular groove 544 for mounting a second electromagnet 65 and a second permanent magnet 63; through the second electromagnet 65, the second permanent magnet 63 and the clamping block 61, one end of the lyocell fiber can be clamped, so that the lyocell fiber cannot fall off during measurement.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, the power unit 4 includes a bracket 41, a reduction motor 42, and a first rotating shaft 43; the bottom of the bracket 41 is fixedly arranged on a rectangular block 51 at the right end of the base 1; a speed reducing motor 42 is fixedly arranged on the top of the bracket 41; a first rotating shaft 43 is fixedly arranged on the speed reducing motor 42; the first rotating shaft 43 is fixedly installed with the rotating drum 3; the speed reducing motor 42 is used for driving the rotating drum 3 to rotate, controlling the rotating speed of the rotating drum 3, and keeping the rotating drum 3 to rotate at a constant speed all the time in the measuring process, so that the measuring result is accurate.
As shown in fig. 2, 3, 4, 5, 8, 9 and 10, the electromagnetic unit 6 includes a clamping block 61, a first permanent magnet 62, a second permanent magnet 63, a first electromagnet 64 and a second electromagnet 65; the first electromagnet 64 is of a round block structure; the first electromagnet 64 is fixedly arranged in a circular groove 542 at the top of the front end of the rectangular frame 54; the first permanent magnet 62 is slidably mounted in a circular groove 542 on the top of the front end of the rectangular frame 54; the two second electromagnets 65 are respectively and fixedly installed in the rectangular grooves 544 at the rear end of the rectangular frame 54; the clamping block 61 is slidably arranged in the rectangular groove 543; a second permanent magnet 63 is fixedly arranged on two sides of the bottom of the clamping block 61; the first electromagnet 64 is used for controlling the movement of the first permanent magnet 62; the second electromagnet 65 and the second permanent magnet 63 are used for controlling the clamping and releasing of the clamping block 61; when the lyocell fiber is detected, one end of the lyocell fiber is placed in the clamping block 61, the second electromagnet 65 is electrified, the second electromagnet 65 and the second permanent magnet 63 have the same magnetism, and therefore the two electromagnets are mutually exclusive, the clamping block 61 can rapidly clamp the lyocell fiber, the other end of the lyocell fiber is fixedly connected to the tension sensor on the first permanent magnet 62, the first electromagnet 64 is electrified, the first electromagnet 64 and the first permanent magnet 62 have different magnetism and are mutually attracted, and therefore the lyocell fiber is prevented from sliding left and right in the measuring process, and the accuracy of the measuring result is kept.
A plurality of pressure sensors are fixedly arranged on the shafts of the pulleys 22 at the bottom edges of the front side and the rear side of the rotary drum box 2; the pulley 22 shafts on the bottom edges of the front side and the rear side of the rotary drum box 2 are fixedly provided with a plurality of pressure sensors for detecting the pressure on the pulley 22 shafts in real time, the pulley 22 shafts are fixed in the process of rotating on the shafts, when the lyocell fibers are in the measuring process, because the two ends of the lyocell fibers are fixedly connected to the rectangular frame 54, the pulley 22 shafts can be subjected to certain pressure under the action of friction force and tensile force, when the pressure sensors on the pulley 22 shafts detect the pressure, signals can be sent to the control unit, the control unit can control the timer to start timing, when the lyocell fibers are broken in friction, the pulley 22 shafts are not subjected to the pressure, the pressure sensors cannot detect the pressure, at the moment, the pressure sensors do not send the signals to the control unit any more, the control unit does not receive the signals sent by the pressure sensors, and the timer is controlled to stop timing.
A plurality of tension sensors are fixedly arranged at the top of the first permanent magnet 62; the top of the first permanent magnet 62 is fixedly provided with a plurality of tension sensors for controlling the load at the other end of the lyocell fiber; the control unit controls the current amount of the first electromagnet 64 so as to control the magnetic strength of the first electromagnet 64, when the current amount of the first electromagnet 64 is increased, the magnetic strength is also increased, the adsorption force on the first permanent magnet 62 is enhanced, the load at the other end of the lyocell fiber is increased, the load can be detected in real time through the tension sensor, when the load does not reach a standard specified value, the tension sensor sends a signal to the control unit in real time, and the control unit controls the current amount of the first electromagnet 64 so as to indirectly control the load of the lyocell fiber.
A water level detector is fixedly arranged on the inner wall of the rotary drum box 2; a water pump is fixedly arranged inside the left side of the base 1; the water pump is hermetically connected with a through hole at the bottom of the rotary drum box 2 through a water pipe; the water level detection meter is fixedly mounted on the inner wall of the rotary drum box 2 and used for detecting the water level in the rotary drum box 2, when the water level reaches one half of the position inside the rotary drum box 2, the water level detection meter can send a signal to the control unit, the control unit controls the water pump to stop working, the water pump is fixedly mounted inside the left side of the base 1 and used for providing water flow for the rotary drum box 2, so that white silk on the rotary drum 3 is soaked, and after the white silk on the rotary drum 3 is completely soaked, the control unit controls the water pump to start working and pump out water inside the rotary drum box 2, so that the white silk can be soaked in water in the process of rotating the rotary drum 3 and the measurement result can be influenced.
Two sides of the top of the rotary drum box 2 are made of rubber materials; the two sides of the top of the rotary drum box 2 are made of rubber materials, so that the white silk on the rotary drum 3 can be prevented from being worn in the rotating process of the rotary drum 3, the white silk on the rotary drum 3 can be prevented from being stuck on the rotary drum box 2 in the rotating process of the rotary drum 3, and the distance between the two sides of the rotary drum box 2 and the white silk on the rotary drum 3 can be reduced.
As shown in FIG. 9, the axial sliding range of the first permanent magnet 62 in the circular groove 542 on the top of the front end of the rectangular frame 54 is 5-20cm; when the axial sliding range of the first permanent magnet 62 in the circular groove 542 at the top of the front end of the rectangular frame 54 is 5-20cm, in order to adjust the load capacity of the lyocell fiber within a certain range, the control unit controls the current amount so as to control the magnetic force, so that the first permanent magnet 62 can move in the circular groove 542 when being attracted by the first electromagnet 64 and the tensile force of the lyocell fiber.
When the spinning machine works, the control unit controls the water pump in the base 1 to start, the water pump works to convey water into the rotary drum box 2, when the water reaches a certain water level detection timing, the water level detection meter sends a signal to the control unit, the control unit controls the water pump to stop working, at the moment, the control unit controls the rotary drum 3 to rotate, the white silk on the rotary drum 3 is driven by the rotary drum 3 to be immersed in the water, the white silk on the rotary drum 3 is completely immersed in the water, the rotary drum 3 stops rotating, the control unit controls the water pump to start, the water in the rotary drum box 2 is pumped back, after the water in the rotary drum box 2 is pumped back, the control unit controls the water pump to stop, the control unit controls the servo motor 52 to rotate, the rectangular frame 54 on the swinging unit 5 to be adjusted to be in a horizontal position and be kept still, then one end of the completely immersed lyocell fiber is placed into the clamping block 61 on the rectangular frame 54, the control unit controls the second electromagnet 65 to be powered on, the second electromagnet 65 generates magnetism which is mutually repelled with the second electromagnet 63, the second electromagnet pushes the clamping block 61 to clamp the lyocell, then one end of the lyocell fiber is connected with the first permanent magnet, the second electromagnet 62, the permanent magnet, the control unit detects the tension of the first permanent magnet, the first electromagnet 64, and controls the electromagnet 64, the electromagnet to generate a tension signal, and controls the electromagnet 64, and controls the electromagnet to be mutually attracted by the electromagnet, and controls the electromagnet, and the electromagnet, the electromagnet 64, and controls the electromagnet 63 to be connected with the electromagnet, and controls the electromagnet, and the electromagnet unit.
When a signal sent by the tension sensor is smaller than a preset value set in the control unit, the control unit increases the current amount of the first electromagnet 64, so that the magnetism of the first electromagnet 64 is increased, the attractive force between the first electromagnet 64 and the first permanent magnet 62 is strong, when the tension detected by the tension sensor is equal to the preset value set in the control unit, the control unit controls the current amount in the first electromagnet 64 to be kept unchanged, at this time, the pressure sensor on the pulley 22 detects pressure, the timer and the deceleration motor 42 are started at the same time, the deceleration motor 42 rotates to drive the rotary drum 3 to rotate at a constant speed, the rotary drum 3 drives the white silk on the rotary drum 3 to rotate at a constant speed, friction is generated between the white silk and the lyocell, until the lyocell fiber is broken by friction and the pressure sensor on the pulley 22 cannot detect pressure, the control unit does not send a signal to the control unit, the control unit immediately controls the timer to stop timing, the deceleration motor 42 to stop rotating when the control unit does not receive a signal, when a plurality of lyocell are measured simultaneously, and until the last pressure sensor does not detect pressure, the control unit controls the deceleration motor 42 to stop rotating.
The second embodiment is as follows: the lyocell fiber fibrillation degree measuring device is used for measuring the fibrillation degree of lyocell fibers through bidirectional friction, the lyocell fibers are fixed on the rectangular frame 54 through the swinging unit 5, the rotary drum 3 on the rotary drum box 2 does not rotate, the rectangular frame 54 on the swinging unit 5 is driven by the servo motor 52 to swing the front end and the rear end up and down, and therefore the lyocell fibers are pulled to rub back and forth on the white silk fabric on the rotary drum 3, and the measurement of the fibrillation degree of the lyocell fibers is achieved.
When in work, the control unit controls the water pump in the base 1 to start, the water pump works to convey water to the interior of the rotary drum box 2, when the water reaches a certain water level detection timing, the water level detector sends a signal to the control unit, the control unit controls the water pump to stop working, at the moment, the control unit controls the rotary drum 3 to rotate, the white silk fabric on the rotary drum 3 is driven by the rotary drum 3 to be immersed in the water, so that the white silk fabric on the rotary drum 3 is completely immersed in the water, the rotary drum 3 stops rotating, then one end of the completely soaked lyocell fiber is placed in the clamping block 61 on the rectangular frame 54, the control unit controls the second electromagnet 65 to be electrified, the second electromagnet 65 generates magnetism which is mutually repelled with the second permanent magnet 63, the second permanent magnet 63 pushes the clamping block 61 to clamp the lyocell fiber, then the other end of the lyocell fiber is fixedly connected with a tension sensor on the first permanent magnet 62, the control unit controls the first electromagnet 64 to be electrified, the first electromagnet 64 generates magnetism which is mutually attracted with the first permanent magnet 62, so that the lyocell fibers are straightened, at which time the pressure sensor on the pulley 22 detects the pressure, at the same time, the timer and the servo motor 52 are started to control the rectangular frame 54 to start regular swinging at a constant speed, the lyocell fiber rubs back and forth on the white silk fabric on the surface of the rotary drum 3 until the lyocell fiber breaks due to friction and the pressure sensor on the pulley 22 can not detect the pressure, no signal is sent to the control unit, the control unit immediately controls the timer to stop timing without receiving the signal, and at the same time, the control unit controls the servo motor 52 to stop rotating, and when a plurality of lyocell fibers are measured simultaneously, the control unit will not control the servomotor 52 to stop rotating until the last pressure sensor detects no pressure.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A measuring device for fibrillation degree of lyocell fibers comprises a base (1), a drum box (2), a drum (3), a power unit (4), a swinging unit (5), an electromagnetic unit (6) and a control unit; the method is characterized in that: the inner part of the left side of the base (1) is of a hollow cuboid structure; the top of the left side of the base (1) is fixedly provided with a rotary drum box (2); a power unit (4) is fixedly arranged at the top of the right side of the base (1); the power unit (4) is used for driving the rotary drum (3); swing units (5) are fixedly arranged on two sides of the base (1) below the rotary drum box (2); the swing unit (5) is used for pulling a measured object; the electromagnetic unit (6) is fixedly arranged on the swinging unit (5); the electromagnetic unit (6) is used for fixing a measured object; a rotary drum (3) is rotatably arranged in the rotary drum box (2); the rotary drum (3) is of a hollow structure, and a plurality of air holes (31) are formed in the outer surface of the rotary drum (3); the air holes (31) are arranged in an array on the rotary drum (3); the power unit (4), the swinging unit (5) and the electromagnetic unit (6) are electrically connected with the control unit.
2. A lyocell fiber fibrillation degree measuring apparatus according to claim 1, wherein: the interior of the rotary drum box (2) is of a hollow semi-cylindrical structure; a round hole (21) is formed in the right side of the rotary drum box (2), and the round hole (21) penetrates through the inner wall of the left side of the rotary drum box (2); a plurality of pulleys (22) are respectively arranged on the bottom edges of the front side and the rear side of the rotary drum box (2); the bottom of the rotary drum box (2) is provided with a through hole.
3. A lyocell fiber fibrillation degree measuring apparatus according to claim 2, wherein: the swing unit (5) comprises a rectangular block (51), a servo motor (52), a second rotating shaft (53) and a rectangular frame (54); the rectangular block (51) is fixedly arranged at the top of the right side of the base (1); the servo motor (52) is fixedly arranged on the rectangular block (51); a second rotating shaft (53) is fixedly arranged on the servo motor (52); cylinders (541) are arranged inside the left end and the right end of the rectangular frame (54); the cylinders (541) at the left end and the right end of the rectangular frame (54) are rotatably arranged on the left end and the right end of the base (1); the second rotating shaft (53) is fixedly arranged at the central position of the outer side of the right end of the rectangular frame (54); a plurality of circular grooves (542) are formed in the top of the front end of the rectangular frame (54); a plurality of rectangular grooves (543) are formed in the rear end of the rectangular frame (54), and rectangular grooves (544) are transversely formed in the bottoms of the rectangular grooves (543).
4. A lyocell fiber fibrillation degree measuring apparatus according to claim 3, wherein: the power unit (4) comprises a bracket (41), a speed reducing motor (42) and a first rotating shaft (43); the bottom of the support (41) is fixedly arranged on a rectangular block (51) at the right end of the base (1); a speed reducing motor (42) is fixedly arranged on the top of the bracket (41); a first rotating shaft (43) is fixedly arranged on the speed reducing motor (42); the first rotating shaft (43) is fixedly installed with the rotating drum (3).
5. The apparatus for measuring the fibrillation degree of lyocell fibers according to claim 4, wherein: the electromagnetic unit (6) comprises a clamping block (61), a first permanent magnet (62), a second permanent magnet (63), a first electromagnet (64) and a second electromagnet (65); the first electromagnet (64) is of a round block type structure; the first electromagnet (64) is fixedly arranged in a circular groove (542) on the top of the front end of the rectangular frame (54); the first permanent magnet (62) is slidably mounted in a circular groove (542) in the top of the front end of the rectangular frame (54); the two second electromagnets (65) are respectively and fixedly arranged in a rectangular groove (544) at the rear end of the rectangular frame (54); the clamping block (61) is slidably arranged in the rectangular groove (543); and a second permanent magnet (63) is fixedly arranged on two sides of the bottom of the clamping block (61).
6. An apparatus for measuring the degree of fibrillation of lyocell fibers according to claim 5, further comprising: a plurality of pressure sensors are fixedly arranged on the shafts of the pulleys (22) at the bottom edges of the front side and the rear side of the rotary drum box (2).
7. The apparatus for measuring the fibrillation degree of lyocell fibers according to claim 6, wherein: and a plurality of tension sensors are fixedly arranged at the top of the first permanent magnet (62).
8. The apparatus for measuring the fibrillation degree of lyocell fibers according to claim 7, wherein: a water level detector is fixedly arranged on the inner wall of the rotary drum box (2); a water pump is fixedly arranged inside the left side of the base (1); the water pump is hermetically connected with the through hole at the bottom of the rotary drum box (2) through a water pipe.
9. The apparatus for measuring the fibrillation degree of lyocell fibers according to claim 8, wherein: the two sides of the top of the rotary drum box (2) are made of rubber materials.
10. A lyocell fiber fibrillation degree measuring apparatus according to claim 9, wherein: the axial sliding range of the first permanent magnet (62) in a circular groove (542) on the top of the front end of the rectangular frame (54) is 5-20cm.
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| CN115876587B (en) | 2023-08-29 |
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