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WO2024016931A1 - 一种经编变速匀张力送纱装置及织造方法 - Google Patents

一种经编变速匀张力送纱装置及织造方法 Download PDF

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Publication number
WO2024016931A1
WO2024016931A1 PCT/CN2023/101317 CN2023101317W WO2024016931A1 WO 2024016931 A1 WO2024016931 A1 WO 2024016931A1 CN 2023101317 W CN2023101317 W CN 2023101317W WO 2024016931 A1 WO2024016931 A1 WO 2024016931A1
Authority
WO
WIPO (PCT)
Prior art keywords
yarn
tension
needle
knitting
winding wheel
Prior art date
Application number
PCT/CN2023/101317
Other languages
English (en)
French (fr)
Inventor
丛洪莲
蒋高明
夏风林
马丕波
李露红
Original Assignee
江南大学
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 江南大学 filed Critical 江南大学
Priority to US18/422,133 priority Critical patent/US20240158964A1/en
Publication of WO2024016931A1 publication Critical patent/WO2024016931A1/zh

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/10—Devices for supplying, feeding, or guiding threads to needles
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/04—Sinkers
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/06—Needle bars; Sinker bars
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/10—Devices for supplying, feeding, or guiding threads to needles
    • D04B27/12—Tensioning devices for individual threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/10—Devices for supplying, feeding, or guiding threads to needles
    • D04B27/14—Thread tensioning rod arrangements
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/10—Devices for supplying, feeding, or guiding threads to needles
    • D04B27/16—Warp beams; Bearings therefor
    • D04B27/20—Warp beam driving devices
    • D04B27/22—Warp beam driving devices electrically controlled
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/10—Devices for supplying, feeding, or guiding threads to needles
    • D04B27/24—Thread guide bar assemblies
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/34—Take-up or draw-off devices for knitted products
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/10—Indicating, warning, or safety devices, e.g. stop motions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

Definitions

  • the invention relates to a warp knitting variable speed and uniform tension yarn feeding device and a weaving method, and belongs to the field of textile technology.
  • Warp knitting is a textile technology in the field of knitting. One or several groups of parallel-arranged yarns are used to form loops on all the working needles of the machine in the warp direction at the same time to form a knitted fabric. This method is called warp knitting, and the knitted fabric formed is called a warp-knitted fabric. Warp knitting technology occupies an important position in the knitting industry. Its products have high technical content and great market potential.
  • Warp knitting machines usually have high machine speeds, and the warp yarns need to maintain a certain tension to form loops normally. If the tension is too small, the yarn cannot straighten normally, and the yarn guide needle cannot accurately place yarn on the knitting needles, interrupting the loop forming process; If the tension is too high, the yarn will be too tight, and it will be difficult to unloop or break the yarn after the loop is formed, which will affect the fabric quality and production efficiency.
  • the purpose of the present invention is to overcome the shortcomings of the prior art and provide a warp knitting variable speed uniform tension yarn feeding device and a weaving method.
  • the device realizes uniform tension during the yarn feeding process, is not easy to break the yarn, improves machine knitting efficiency, and fabrics Smooth surface and high quality.
  • the first object of the present invention is to provide a warp knitting variable-speed uniform tension yarn feeding device, which includes a warp beam, a connecting rod frame, a bar, a loop forming mechanism and a pulling and winding mechanism.
  • the connecting rod frame is connected to a winding yarn wheel and yarn guide plate, the warp beam is wound with yarn, the yarn winding wheel is located between the warp beam and the bar, the yarn winding wheel includes a yarn inlet, a yarn winding shaft and a yarn outlet, the
  • the yarn take-up shaft is equipped with a tension sensor, and the yarn guide plate has a yarn guide hole; the warp beam rotates to send out the yarn, and after the yarn is fed into the yarn inlet of the yarn take-up wheel, it is wound on the yarn take-up shaft for a number of turns. It is led out from the yarn outlet and passes through the yarn guide holes on the yarn guide plate.
  • the yarn guide holes are used to separate each yarn so that the yarns are not entangled with each other.
  • the yarn winding wheel can rotate, and the rotation speed of the yarn winding wheel can be changed to adjust the tension of the yarn, and the yarn winding wheel is located above the yarn guiding plate.
  • yarn guide needles are distributed on the bar, and the yarn is fed into the knitting mechanism through the yarn guide needles.
  • the knitting mechanism includes knitting needles, needle beds, sinkers, and sinker beds. and a needle core bed.
  • the knitting needles are installed in the needle bed, and the sinkers are installed in the sinker bed.
  • a needle core is installed in the needle core bed.
  • the comb bars move left and right, so that the yarn guide needles move back and forth between the knitting needles. Lateral movement completes the looping motion of the knitting needle, and the gray fabric is formed after the loops are unlooped.
  • the pulling and winding mechanism includes a pulling roller and a pressing roller.
  • the gray fabric produced by the loop forming mechanism is rolled into the pulling roller and pulled flat, and then pressed by the pressing roller.
  • the cloth surface is raised to make the cloth surface even.
  • a tension rod is provided between the yarn guide plate and the comb bar, and the yarn is drawn from the guide plate on the yarn guide plate.
  • the yarn hole passes through and around the tension rod, and then feeds the yarn guide needle at the lower end of the bar.
  • the yarn winding wheel further includes a dust cover and a central processing chip, the dust cover is located outside the yarn winding shaft, and the tension sensor is installed at the lower end of the shaft wall of the yarn winding shaft,
  • the yarn winding shaft and the tension sensor are both connected to the central processing chip; the tension sensor is used to detect the tension fluctuation during the yarn feeding process, and transmits the detected data to the central processing chip.
  • the central processing chip detects The acquired data controls the yarn winding shaft to rotate clockwise or counterclockwise to adjust the yarn tension during yarn feeding.
  • the second object of the present invention is to provide a tension adjustment method of a warp knitting variable speed uniform tension yarn feeding device, which includes the following steps:
  • the tension sensor is installed in the area a at the lower end of the shaft wall of the winding shaft. ; Before feeding yarn and knitting, press the tension clear button b located at the side of the connecting rod frame.
  • the tension detection value of the tension sensor is calibrated to 0; when the yarn tension appears uneven during the knitting process of the machine, the winding The yarn of the yarn reel will cause axial compression or relaxation of the axis wall of the yarn reel, causing the tension value measured by the tension sensor inside the bottom area of the yarn reel to increase to a positive value or decrease to a negative value;
  • the yarn When it is detected that the yarn tension is too high, the yarn produces axial pressure on the winding shaft.
  • the tension sensor detects the tension and the measured value is a positive value. Then the tension sensor releases the yarn to the central processing chip inside the winding wheel. command, the central processing chip processes the command and outputs a signal to the winding wheel.
  • the winding wheel rotates counterclockwise to release the yarn to make up for the tension gap.
  • the yarn pre-wound on the winding wheel is drawn out.
  • the warp beam is synchronized. Rotate and input yarn into the yarn winding wheel.
  • the output tension value is 0, and the yarn winding shaft resumes normal operation of winding yarn at a constant speed;
  • the tension sensor detects the tension and the measured value is a negative value. Then the tension sensor moves to the center of the winding wheel.
  • the processing chip releases the yarn winding command, and the central processing chip processes the command and outputs the signal to the yarn winding wheel.
  • the yarn winding wheel rotates clockwise to release the yarn and alleviate the tension fluctuation, so that the number of yarn winding turns on the yarn winding shaft increases. At this time After the tension sensor detects that the yarn tension is normal, the output tension value is 0, and the yarn winding shaft resumes normal operation of winding yarn at a constant speed.
  • the third object of the present invention is to provide a warp knitting variable speed uniform tension weaving method, which includes the following steps:
  • the fabric is composed of several rows and wales, and the fabric is knitted from bottom to top; when initially knitting row A, the bar bar is located in the back direction of the needle. It needs to be moved to the direction in front of the needle first, and then moved to the right to select the knitting needle. The right end completes the yarn laying in front of the needle.
  • the knitting needle hooks into the yarn and then descends.
  • the sinker moves radially and the needle core also descends.
  • the needle core blocks the needle mouth and the yarn is completely locked in the closed knitting needle.
  • the old coil slides upward from the needle bar along the needle core; the yarn guide needle swings toward the back of the needle, the knitting needle and the needle core drop to the lowest position together, the new coil falls off the knitting needle and becomes the old coil, and the sinker holds the rigid Take the old coil that has fallen off and pull it in the opposite direction to the needle bed;
  • the loops in row B are pulled by the guide needle, and the yarn moves two stitches to the left from the back of the knitting needle that has completed the looping in row A to the right end of the selected knitting needle.
  • the guide bar guides the guide needle to swing. to the position in front of the needle, and then move to the left to complete the yarn lining of the designated knitting needle in front of the needle. Then the bar bar guides the yarn guide needle to move toward the needle back direction to complete the knitting needle yarn lining movement of row B;
  • the loops in the C row are moved by the yarn guide needle from the back of the knitting needle that has completed the yarn padding and looping in the B row to the right by two stitches to the left end of the knitting needle that needs to complete the yarn padding and looping, and then guided by the bar.
  • the yarn guide needle moves to the position in front of the needle, and then moves to the right to complete the yarn lining of the designated knitting needle in front of the needle.
  • the bar guide guides the yarn guide needle to move toward the back of the needle, and stays at the right end of the knitting needle that has completed yarn lining and looping. Complete the looping movement of the knitting needle yarn in the C row;
  • the yarn guide needle moves three stitches to the left from the back of the knitting needle in the C-th row that has completed yarn padding to reach the D-th row that requires yarn padding.
  • the right end of the looped knitting needle; while knitting from row B to row C, the back of the needle moves by two stitches, which is less than three.
  • the tension on the yarn is relatively large.
  • the tension sensor at the lower end of the winding wheel measures a positive value, and then the sensor releases a yarn release instruction to the central processing chip inside the winding wheel, and the central processing chip sends the instruction
  • the output signal is sent to the yarn winding wheel, and the yarn winding wheel rotates counterclockwise to release the yarn.
  • the tension sensor detects the real-time tension. When the measured tension value is 0, the sensor releases a stop yarn unwinding command to the central processing chip, and passes through the central processing chip. After processing, the processing chip outputs a signal to the yarn winding wheel. The yarn winding wheel then stops rotating counterclockwise and the yarn tension becomes uniform.
  • the back of the knitting needle in the F-th course that has completed yarn padding and looping is moved four stitches to the right to reach the G-th course and requires yarn padding.
  • the tension on the yarn is greater than that of the H-th course.
  • the tension sensor at the lower end of the winding wheel measures a negative value, and then the sensor releases the winding instruction to the central processing chip inside the winding wheel, and the central processing chip passes the instruction through
  • the output signal is processed to the winding wheel, and the winding wheel rotates clockwise to release the yarn.
  • the tension sensor detects the real-time tension. When the measured tension value is 0, the sensor releases a stop winding command to the central processing chip, which is processed by the central processing unit. After processing, the chip outputs a signal to the yarn winding wheel. The yarn winding wheel then stops rotating counterclockwise and the yarn tension becomes uniform.
  • the present invention actively adjusts the tension during the yarn feeding process through the variable speed tension winding wheel to compensate for the tension error caused by loop formation. Moreover, the compensation is timely and the yarn is not easily broken, which can improve the operating efficiency of the machine.
  • the present invention detects the yarn tension through the tension sensor of the yarn winding wheel, and releases instructions to the central processing chip. After processing, the output signal is fed back to the yarn winding wheel, so that it can give instructions for winding or unwinding the yarn. , regulate the yarn tension, compensate for tension fluctuations, and improve fabric quality.
  • the yarn introduction holes on the yarn introduction plate of the present invention are used to separate each yarn so that the yarns are not entangled with each other and improve the quality of the fabric.
  • Figure 1 is a schematic structural diagram of the warp knitting variable speed and uniform tension yarn feeding device of the present invention.
  • Figure 2 is a schematic structural diagram of the variable-speed tension-adjusted yarn of the present invention.
  • Figure 3 is a schematic top view of the yarn winding wheel and the connecting rod frame of the present invention.
  • Figure 4 is a schematic side view of the yarn winding wheel and the connecting rod frame of the present invention.
  • Figure 5 is a front view of the connecting rod bracket of the present invention.
  • Figure 6 shows the positional arrangement of the yarn guiding plate and the yarn guiding holes on the plate.
  • Figure 7 is a working principle diagram of the variable speed tension adjustment winding yarn of the present invention.
  • Figure 8 is a diagram showing the motion trajectory of a yarn guide needle pulling the yarn during the weaving method of the present invention.
  • a warp knitting variable speed uniform tension yarn feeding device as shown in Figure 1-6, includes a warp beam 1, a connecting rod frame 2, a bar 6, a loop forming mechanism and a pulling and winding mechanism.
  • the connecting rod frame 2 is connected to There is a winding wheel 3 and a yarn guide plate 4, and the warp beam 1 is located in the upper area of the machine. Domain, warp beam 1 is wound with yarn 14, and the same kind of yarn 14 is wound on a warp beam 1 or a group of warp beams 1.
  • the warp beam 1 rotates parallel to send out the yarn 14 at a uniform speed, and feeds Enter the winding wheel 3 connected with the connecting rod frame 2.
  • the winding wheel 3 is located between the warp beam 1 and the bar 6. The winding wheel 3 is used to adjust the tension of the yarn 14 during the yarn feeding process, so that it becomes The circle process proceeds normally.
  • the yarn winding wheel 3 is located above the yarn introduction plate 4. There are several yarn introduction holes 41 distributed on the yarn introduction plate 4. The yarn introduction holes 41 are used to guide the yarn 14 drawn out from the lower end of the yarn winding wheel 3. . Two rows of yarn winding wheels 3 and yarn guide plates 4 can be placed on each connecting rod frame 2.
  • every two or two groups of warp beams 1 are equipped with a connecting rod frame 2.
  • the group of warp beams 1 equipped on the machine matches the type of yarn 14, and the same type of yarn is fed into the same bar 6.
  • the number of warp beams 1 and connecting rod frames 2 equipped on the machine is not limited to the number shown in the drawings, and the number can be an odd number or an even number.
  • the yarn winding wheel 3 includes a yarn inlet 301, a dust cover 302, a yarn winding shaft 303, a yarn outlet 304 and a tension sensor.
  • the dust cover 302 is located outside the yarn winding shaft 303.
  • a tension sensor is installed at the lower end of the shaft wall of 303, and a central processing chip is also provided in the winding wheel 3. The tension sensor is used to detect tension fluctuations during the yarn feeding process, and transmits the detected data to the central processing chip.
  • the central processing chip is also connected to the yarn reel 303 in data connection, and the central processing chip controls the yarn reel 303 to rotate clockwise or counterclockwise according to the detected data to adjust the tension of the yarn 14 during the yarn feeding process.
  • the yarn 14 After the yarn 14 is fed into the yarn inlet 301 of the yarn winding wheel 3, it is pre-wound on the yarn winding shaft 303 for a certain number of turns, and then is led out from the yarn outlet 304 and passes through the yarn guide plate 4 connected to the connecting rod frame 2.
  • the yarn introduction hole 41 on the fabric is used to separate each yarn so that the yarns are not entangled with each other and improve the quality of the fabric.
  • the winding wheel 3 is a variable speed tension adjusting winding wheel, the winding wheel 3 can rotate, and the rotation speed of the winding wheel 3 can be changed to adjust the tension of the yarn 14.
  • the winding wheel 3 is a wheel capable of winding the yarn 14 .
  • the connecting rod frame 2 has an H-shaped structure and is made of a rigid structure.
  • the connecting rod frame 2 is a frame used to fixedly connect the yarn winding wheel 3 and the yarn guide plate 4.
  • the tension sensor may be a miniature tension sensor.
  • the knitting mechanism includes knitting needles 11, needle beds 10, sinkers 7, sinker beds 8 and needle core beds 9.
  • the knitting needles 11 are located inside the needle beds 10, and the sinkers 7 are located on the sinker bed 8.
  • the needle core bed 9 is equipped with a needle core 15, and the needle core 15 is in a matching relationship with the needle core bed 9.
  • the needle core bed 9 is a device for installing the needle core 15, and the needle bed 10 is used to install the knitting needle 11.
  • the device, the sinker bed 8 is a grooved disc for installing the sinker 7.
  • the yarn 14 is looped through the looping mechanism, and a number of old loops form a gray fabric. Specifically, when knitting fabrics, the bar 6 moves left and right, causing the yarn guide needles to move back and forth between the knitting needles 11 to complete the looping motion of the knitting needles, and form a gray fabric after the loops are unlooped.
  • the pulling and winding mechanism includes a pulling roller 12 and a pressing roller 13.
  • the gray cloth produced by the loop forming mechanism is rolled into the pulling roller 12 and pulled flat, and then the cloth surface is pressed by the pressing roller 13 to make the cloth surface convex. More even.
  • Both the pulling roller 12 and the pressing roller 13 have a cylindrical structure and can rotate.
  • a tension rod 5 is provided between the yarn guide plate 4 and the comb 6.
  • the yarn 14 passes through the yarn guide hole 41 on the yarn guide plate 4 and bypasses the tension rod 5, and then is fed into the card 6
  • the tension rod 5 is a rod structure used to adjust the tension of the yarn 14.
  • this embodiment provides a tension adjustment method of a warp knitting variable speed uniform tension yarn feeding device.
  • the method applies the warp knitting variable speed uniform tension yarn feeding device provided in Embodiment 1 and includes the following steps :
  • the micro tension sensor The tension detection value is calibrated to 0; when the yarn tension is uneven during the machine weaving process, the yarn 14 wound on the yarn shaft 303 will cause axial compression or relaxation of the shaft wall of the yarn shaft 303, causing the winding
  • the micro tension sensor inside the bottom area of the yarn shaft 303 measures that the tension value increases to a positive value or decreases to a negative value;
  • the yarn 14 When it is detected that the yarn tension is too high, the yarn 14 generates axial pressure on the winding shaft 303.
  • the micro tension sensor detects the tension, and the measured value is a positive value. Then the micro tension sensor moves to the center of the inside of the winding wheel 3.
  • the processing chip releases the "yarn release" command, and the central processing chip processes the command and outputs a signal to the yarn winding wheel 3.
  • the yarn winding wheel 3 rotates counterclockwise to release the yarn 14 to make up for the tension gap, and the yarn pre-wound on the yarn winding wheel 3
  • the thread 14 is drawn out from this, and at the same time, the warp beam 1 rotates synchronously, and the yarn 14 is input into the winding wheel 3.
  • the output tension value is 0, and the winding shaft 303 recovers. Uniform speed yarn winding works normally;
  • the micro tension sensor detects the tension, and the measured value is a negative value, and then the micro tension sensor moves to the winding shaft 303.
  • the central processing chip inside the wheel releases the "winding" command.
  • the central processing chip processes the command and outputs a signal to the winding wheel.
  • the winding wheel rotates clockwise to release the yarn and alleviate the tension fluctuation, so that the yarn on the winding shaft is wound. The number of turns increases.
  • the output tension value is 0, and the yarn winding shaft 303 resumes normal operation of winding yarn at a constant speed. After the yarn tension is even, the machine can weave smoothly, reducing the probability of yarn breakage and improving fabric quality and machine production efficiency.
  • This embodiment provides a warp knitting variable speed uniform tension weaving method.
  • the method applies a warp knitting variable speed uniform tension yarn feeding device provided in Embodiment 1 or a warp knitting variable speed uniform tension yarn feeding device provided in Embodiment 2.
  • Device tension adjustment method is provided.
  • the method is performed on a warp knitting machine, and the components involved in the weaving process mainly include the bar 6 and the loop forming mechanism.
  • the number of yarn guide needles is equal to the number of knitting needles.
  • the bar 6 can move forward, backward, left, and right;
  • the loop forming mechanism includes knitting needles 11, needle beds 10, sinkers 7, and needles.
  • the core 15, the sinker bed 8 and the needle core bed 9, the yarn guide needles and the knitting needles 11 present a relative positional relationship.
  • the knitting needle 11 is located inside the needle bed 10
  • the sinker 7 is located inside the sinker bed 8
  • the needle core 15 is in a matching relationship with the needle core bed 9, and the bar 6 is located on the back of the knitting needle 11.
  • Figure 8 shows a certain guide needle in the process of knitting products.
  • the warp knitting variable speed uniform tension weaving method includes the following steps:
  • the fabric is composed of several rows and wales.
  • the rows refer to the coils arranged in the same row horizontally in Figure 8, and the wales refer to the coils arranged in the same row longitudinally in Figure 8.
  • the fabric is knitted from bottom to top; 1.
  • the bar bar When starting to knit the Ath row, the bar bar is located in the direction of the back of the needle. It needs to be moved to the direction in front of the needle first, and then moved to the right to select the right end of the knitting needle to complete the yarn placement in front of the needle.
  • the knitting needle hooks into the yarn and then lowers, and the sinker makes the diameter.
  • the needle core 15 also moves downward, and the needle core 15 blocks the needle mouth, and the yarn is completely locked in the closed knitting needle.
  • the old coil slides upward from the needle bar along the needle core 15; the yarn guide needle moves upward The needle back swings in the direction, and the knitting needle and needle core 15 drop to the lowest position together.
  • the new coil falls off the knitting needle and becomes the old coil.
  • the sinker holds the old coil that has just fallen off and pulls it in the opposite direction to the needle bed. ;
  • the loops in row B are pulled by the guide needle, and the yarn moves two stitches to the left from the back of the knitting needle that has completed the looping in row A to the right end of the selected knitting needle.
  • the guide bar guides the guide needle to swing. to the position in front of the needle, and then move to the left to complete the yarn lining of the designated knitting needle in front of the needle. Then the bar bar guides the yarn guide needle to move toward the needle back direction to complete the knitting needle yarn lining movement of row B;
  • the loops in the C row are moved by the yarn guide needle from the back of the knitting needle that has completed the yarn padding and looping in the B row to the right by two stitches to the left end of the knitting needle that needs to complete the yarn padding and looping, and then guided by the bar.
  • the yarn guide needle moves to the position in front of the needle, and then moves to the right to complete the yarn laying of the designated knitting needle in front of the needle.
  • the bar guide guides the yarn guide needle to move toward the back of the needle, and stays until the knitting needle has completed the yarn filling and looping.
  • the right end of the needle completes the looping movement of the knitting needle in row C;
  • the tension sensor at the lower end of the winding wheel measures a positive value, and then the sensor releases the "yarn release” command to the central processing chip inside the winding wheel, and the central processing chip
  • the command is processed and the output signal is sent to the yarn winding wheel.
  • the yarn winding wheel rotates counterclockwise to release the yarn.
  • the tension sensor detects the real-time tension. When the measured tension value is 0, the sensor releases "stop yarn unwinding" to the central processing chip.
  • the command is processed by the central processing chip and then outputs a signal to the yarn winding wheel.
  • the yarn winding wheel stops rotating counterclockwise and the yarn tension becomes uniform.
  • the tension sensor at the lower end of the winding wheel measures a negative value, and then the sensor releases the "winding" command to the central processing chip inside the winding wheel, and the central processing chip will The command is processed and the output signal is sent to the yarn winding wheel.
  • the yarn winding wheel rotates clockwise to release the yarn.
  • the tension sensor detects the real-time tension. When the measured tension value is 0, the sensor releases the "stop winding" command to the central processing chip. , after being processed by the central processing chip, the signal is output to the yarn winding wheel.
  • the yarn winding wheel stops rotating counterclockwise and the yarn tension becomes uniform. After the yarn tension is even, the machine can weave smoothly, reducing the probability of yarn breakage and improving fabric quality and machine production efficiency.

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  • Textile Engineering (AREA)
  • Knitting Machines (AREA)

Abstract

一种经编变速匀张力送纱装置及织造方法，属于纺织技术领域；该装置包括经轴（1）、连杆架（2）、梳栉（6）、成圈机构和牵拉卷取机构，连杆架（2）连接有卷纱轮（3）和引纱板（4），经轴（1）卷绕有纱线（14），卷纱轮（3）位于经轴（1）和梳栉（6）之间，卷纱轮（3）包括进纱口（301）、卷纱轴（303）和出纱口（304），卷纱轴（303）安装有张力传感器，引纱板（4）上具有引纱孔；经轴（1）转动送出纱线，纱线喂入卷纱轮（3）的进纱口（301）后，在卷纱轴（303）上卷绕若干圈数，从出纱口（304）引出，并穿过引纱板（4）上的引纱孔；该装置通过变速张力卷纱轮主动调节送纱过程中的张力，弥补成圈带来的张力误差，且补偿及时，不易断纱，编织效率高，织物表面平整，质量高。

Description

一种经编变速匀张力送纱装置及织造方法 技术领域
本发明涉及一种经编变速匀张力送纱装置及织造方法，属于纺织技术领域。
背景技术
经编是属于针织领域的一种纺织工艺。用一组或几组平行排列的纱线，于经向喂入机器的所有工作针上，同时成圈而形成针织物，这种方法称为经编，形成的针织物称为经编织物。经编技术在针织产业中占领着重要的地位，其产品技术含量高，市场潜力大。
经编机通常都具有较高的机速，经纱需要维持一定的张力才能正常成圈，张力过小纱线无法正常伸直，导纱针不能准确垫纱给织针，使成圈过程中断；张力过大纱线过于绷紧，成圈后难以脱圈或者产生断纱，进而影响布面质量和生产效率。
发明内容
本发明的目的是克服现有技术的不足，提供一种经编变速匀张力送纱装置及织造方法，该装置实现了送纱过程中的张力均匀，不易断纱，提高机器编织效率，且织物表面平整，质量高。
本发明的第一个目的在于提供一种经编变速匀张力送纱装置，包括经轴、连杆架、梳栉、成圈机构和牵拉卷取机构，所述连杆架连接有卷纱轮和引纱板，所述经轴卷绕有纱线，所述卷纱轮位于经轴和梳栉之间，所述卷纱轮包括进纱口、卷纱轴和出纱口，所述卷纱轴安装有张力传感器，所述引纱板上具有引纱孔；经轴转动送出纱线，纱线喂入卷纱轮的进纱口后，在卷纱轴上卷绕若干圈数，从出纱口引出，并穿过引纱板上的引纱孔，所述引纱孔用于分开每根纱线，使纱线之间不相互缠结。
本发明的一种实施方式中，所述卷纱轮能够旋转，且卷纱轮的旋转速度能够改变以对纱线的张力进行调节，所述卷纱轮位于引纱板的上方。
本发明的一种实施方式中，所述梳栉上分布有导纱针，纱线经导纱针喂入成圈机构，所述成圈机构包括织针、针床、沉降片、沉降片床和针芯床，织针安装于针床内，沉降片安装于沉降片床内，针芯床内安装有针芯，所述梳栉进行左右横移运动，使得导纱针在织针间来回横移，完成织针的垫纱成圈运动，线圈脱圈后形成坯布。
本发明的一种实施方式中，所述牵拉卷取机构包括牵拉辊和压布辊，将所述成圈机构产生的坯布卷入牵拉辊并拉扯平整，再经由压布辊压住布面凸起，以使得布面匀整。
本发明的一种实施方式中，所述引纱板与梳栉之间设置有张力杆，纱线从引纱板上的引 纱孔穿过并绕过张力杆，再喂入梳栉下端的导纱针。
本发明的一种实施方式中，所述卷纱轮还包括防尘罩和中央处理芯片，所述防尘罩位于卷纱轴的外侧，所述张力传感器安装于卷纱轴的轴壁下端，所述卷纱轴和张力传感器均与中央处理芯片数据连接；所述张力传感器用于检测送纱过程中的张力波动，并将检测到的数据传至中央处理芯片，所述中央处理芯片根据检测到的数据控制卷纱轴顺时针或逆时针转动，以调节送纱过程中纱线的张力。
本发明的第二个目的在于提供一种经编变速匀张力送纱装置的张力调节方法，包括如下步骤：
纱线的张力均匀未出现异常时，卷纱轮中预先卷入一定圈数的纱线，经轴送纱卷纱轮匀速同步引出纱线，张力传感器安装在卷纱轴轴壁下端区域a内；在未喂纱编织前，按下位于连杆架侧端的张力清零按钮b，此时张力传感器的张力检测值校准为0；当机器编织过程中纱线张力出现不匀时，卷绕在卷纱轴的纱线会对卷纱轴的轴壁造成轴向挤压或者放松，使得卷纱轴底端区域内部的张力传感器测得张力值增加为正值或者减小为负值；
当检测出纱线张力过大时，纱线对卷纱轴产生轴向压力，张力传感器对张力进行检测，测得值为正值，随后张力传感器向卷纱轮内部的中央处理芯片释放放纱指令，中央处理芯片将指令经过处理输出信号给卷纱轮，卷纱轮逆时针转动释放纱线弥补张力差距，预先卷绕在卷纱轮上的纱线以此引出，与此同时经轴同步转动，向卷纱轮中输入纱线，此时张力传感器检测到纱线张力正常后，输出张力值为0，卷纱轴恢复匀速卷纱正常工作；
当检测出纱线张力过小时，纱线对卷纱轴的轴向压力消失或呈负向增长，张力传感器对张力进行检测，测得值为负值，随后张力传感器向卷纱轮内部的中央处理芯片释放卷纱指令，中央处理芯片将指令经过处理输出信号给卷纱轮，卷纱轮顺时针转动释放纱线缓解张力波动，使得卷纱轴上的纱线卷绕圈数增加，此时张力传感器检测到纱线张力正常后，输出张力值为0，卷纱轴恢复匀速卷纱正常工作。
本发明的第三个目的在于提供一种经编变速匀张力织造方法，包括如下步骤：
S1.织物由若干横列和纵行组成，织物由下而上进行编织；一开始编织第A横列时，梳栉位于针背方向，需先摆至针前方向，并向右移动至选中织针右端完成针前垫纱，织针勾入纱线后下降，沉降片做径向运动，针芯也随之下降，由针芯将针口堵住，纱线被完全锁在封闭的织针内，旧线圈从针杆沿着针芯向上滑动；导纱针向针背方向摆动，织针和针芯一起下降至最低位置，新线圈从织针上脱落变成旧线圈，沉降片握持刚脱落的旧线圈并将其向与针床相反的方向牵拉；
S2.每个横列的线圈编织过程与S1相似，不同之处在于导纱针的运动方向及针背横移针距数；第A横列线圈编织完成后，导纱针位于织针背部，这时梳栉引导导纱针向左横移二针距编织第B横列；
S3.第B横列的线圈由导纱针牵引纱线从第A横列已完成垫纱成圈的织针背部向左横移二针距到达选中织针右端，此时梳栉引导导纱针摆动至针前位置，再向左移动完成指定织针的针前垫纱，随后梳栉引导导纱针向针背方向移动，完成第B横列的织针垫纱成圈运动；
S4.第C横列的线圈是由导纱针从第B横列已完成垫纱成圈的织针背部向右横移两个针距到达需要完成垫纱成圈的织针左端，接着梳栉引导导纱针移动至针前位置，再向右移动完成指定织针的针前垫纱，随后梳栉引导导纱针向针背方向移动，停留至已完成垫纱成圈的织针的右端，完成第C横列的织针垫纱成圈运动；
S5.第D、E、F、G、H、I、J、K、L横列的线圈编织过程与S3、S4相似，针背横移针距数分别为3、3、4、4、2、2、3、3、4。
本发明的一种实施方式中，其中，第D横列线圈形成过程中，导纱针从第C横列已完成垫纱成圈的织针背部向左横移三针距到达第D横列需要垫纱成圈的织针右端；而从第B横列向第C横列编织的过程中，针背横移针距数为二，小于三，在编织第D横列的过程中，纱线所受到的张力较编织第C横列时增加，产生张力不匀；此时卷纱轮下端的张力传感器测得张力值为正值，随后传感器向卷纱轮内部的中央处理芯片释放放纱指令，中央处理芯片将指令经过处理输出信号给卷纱轮，卷纱轮逆时针转动释放纱线，与此同时张力传感器检测实时张力，当测得张力值为0时，传感器向中央处理芯片释放停止放纱指令，经中央处理芯片处理后输出信号给卷纱轮，卷纱轮随后停止逆时针转动，纱线张力变得均匀。
本发明的一种实施方式中，其中，第F横列向第G横列编织的过程中，第F横列已完成垫纱成圈的织针背部向右横移四针距到达第G横列需要垫纱成圈的织针左端；而第G横列向第H横列编织的过程中，针背横移针距为二，小于四，在编织第H横列的过程中，纱线所受到的张力较编织第G横列时减小，产生张力不匀；此时卷纱轮下端的张力传感器测得张力值为负值，随后传感器向卷纱轮内部的中央处理芯片释放卷纱指令，中央处理芯片将指令经过处理输出信号给卷纱轮，卷纱轮顺时针转动释放纱线，与此同时张力传感器检测实时张力，当测得张力值为0时，传感器向中央处理芯片释放停止卷纱指令，经中央处理芯片处理后输出信号给卷纱轮，卷纱轮随后停止逆时针转动，纱线张力变得均匀。
有益效果
(1)本发明通过变速张力卷纱轮主动调节送纱过程中的张力，弥补成圈带来的张力误差， 且补偿及时，不易断纱，可提高机器的运转效率。
(2)本发明送纱过程中的张力差异变小，织物结构中的每个线圈大小均匀，使织物布面质量提高。
(3)本发明通过卷纱轮的张力传感器，检测出纱线张力大小，并对中央处理芯片释放指令，经其处理后输出信号反馈给卷纱轮，使之作出卷纱或者放纱的指令，对纱线张力进行调控，弥补张力波动，提高织物质量。
(4)本发明引纱板上的引纱孔用于分开每根纱线，使纱线之间不相互缠结，提高织物质量。
附图说明
图1为本发明经编变速匀张力送纱装置的结构示意图。
图2为本发明变速张力调节卷纱的结构示意图。
图3为本发明卷纱轮与连杆架的俯视示意图。
图4为本发明卷纱轮与连杆架的侧视示意图。
图5为本发明连杆架的主视图。
图6为引纱板及板上引纱孔的位置排布图。
图7为本发明变速张力调节卷纱的工作原理图。
图8为本发明织造方法过程中某一根导纱针牵引纱线运动轨迹图。
图中：1、经轴，2、连杆架，3、卷纱轮，4、引纱板，41、引纱孔，5、张力杆，6、梳栉，7、沉降片，8、沉降片床，9、针芯床，10、针床，11、织针，12、压布辊，13、牵拉辊，14、纱线，15、针芯，301、进纱口，302、防尘罩，303、卷纱轴，304、出纱口，图2中的阴影a为张力传感器的安装区域，图5中的b为张力清零按钮，图8中的区域①和区域②为局部纱线运动轨迹。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚明白，以下结合具体实施例，并参照附图，对本发明进一步详细说明。其中相同的零部件用相同的附图标记表示。需要说明的是，下面描述中使用的词语“前”、“后”、“左”、“右”、“上”和“下”指的是附图中的方向。使用的词语“内”和“外”分别指的是朝向或远离特定部件几何中心的方向。
实施例1
一种经编变速匀张力送纱装置，如图1-6所示，包括经轴1、连杆架2、梳栉6、成圈机构和牵拉卷取机构，所述连杆架2连接有卷纱轮3和引纱板4，所述经轴1位于机器上方区 域，经轴1卷绕有纱线14，同种纱线14卷绕在一个经轴1或者一组经轴1上，待机器运转时，经轴1转动平行匀速送出纱线14，并喂入与连杆架2连接的卷纱轮3，所述卷纱轮3位于经轴1和梳栉6之间，卷纱轮3用于调节送纱过程中的纱线14的张力，使成圈过程正常进行。
进一步地，所述卷纱轮3位于引纱板4的上方，引纱板4上分布有若干个引纱孔41，所述引纱孔41用于引导卷纱轮3下端引出的纱线14。每个连杆架2上可以放置两排卷纱轮3及引纱板4。
进一步地，每两个或者两组经轴1配备一个连杆架2，机器上配有的经轴1组别与纱线14的种类相匹配，同种纱线喂入同一把梳栉6。
进一步地，机器上配有的经轴1及连杆架2数量不局限于附图中所展示的个数，数目可以为奇数或者偶数。
进一步地，所述卷纱轮3包括进纱口301、防尘罩302、卷纱轴303、出纱口304和张力传感器，所述防尘罩302位于卷纱轴303的外侧，卷纱轴303的轴壁下端安装有张力传感器，所述卷纱轮3内还设置有中央处理芯片，所述张力传感器用于检测送纱过程中的张力波动，并将检测到的数据传至中央处理芯片，所述中央处理芯片还与卷纱轴303数据连接，中央处理芯片根据检测到的数据控制卷纱轴303顺时针或逆时针转动，以调节送纱过程中纱线14的张力。纱线14喂入卷纱轮3的进纱口301后，预先在卷纱轴303上卷绕一定圈数，再从出纱口304引出，穿过与连杆架2连接的引纱板4上的引纱孔41，所述引纱孔41用于分开每根纱线，使纱线之间不相互缠结，提高织物质量。
所述卷纱轮3为变速张力调节卷纱轮，卷纱轮3能够旋转，且卷纱轮3的旋转速度能够改变以对纱线14的张力进行调节。卷纱轮3是一种能够卷绕纱线14的轮子。
如图1和5所示，连杆架2的形状为H形结构，其材质为刚性结构，连杆架2为用于固定连接卷纱轮3和引纱板4的架子。
可选地，所述张力传感器可以是微型张力传感器。
进一步地，所述梳栉6上分布有导纱针，从经轴1引出的纱线14经卷纱轮3的张力调节后，经导纱针将纱线14喂入成圈机构；所述成圈机构包括织针11、针床10、沉降片7、沉降片床8和针芯床9，机器不工作时，织针11位于针床10的内部，沉降片7位于沉降片床8的内部，所述针芯床9安装有针芯15，针芯15与针芯床9成配套关系，针芯床9为用于安装针芯15的装置，针床10为用于安装织针11的装置，沉降片床8为用于安装沉降片7的带槽圆盘。
纱线14经成圈机构垫纱成圈，若干旧线圈组成坯布。具体地，编织织物时，梳栉6进行左右横移运动，使得导纱针在织针11间来回横移，完成织针的垫纱成圈运动，线圈脱圈后形成坯布。
所述牵拉卷取机构包括牵拉辊12和压布辊13，将成圈机构产生的坯布卷入牵拉辊12并拉扯平整，再经由压布辊13压住布面凸起，使布面更为匀整。牵拉辊12和压布辊13均为圆柱结构且能够旋转。
进一步地，所述引纱板4与梳栉6之间设置有张力杆5，纱线14从引纱板4上的引纱孔41穿过并绕过张力杆5，再喂入梳栉6下端的导纱针。张力杆5为用于调节纱线14张力的杆件结构。
实施例2
如图7所示，本实施例提供了一种经编变速匀张力送纱装置的张力调节方法，所述方法应用了实施例1提供的一种经编变速匀张力送纱装置，包括以下步骤：
机器中纱线14的张力均匀未出现异常时，卷纱轮3中预先卷入一定圈数的纱线14，经轴1送纱卷纱轮3匀速同步引出纱线，微型张力传感器安装在卷纱轴303轴壁下端区域a内，可由图2所见；在未喂纱编织前，按下位于连杆架2侧端的张力清零按钮b，可由图5所见，此时微型张力传感器的张力检测值校准为0；当机器编织过程中纱线张力出现不匀时，卷绕在卷纱轴303的纱线14会对卷纱轴303的轴壁造成轴向挤压或者放松，使得卷纱轴303底端区域内部的微型张力传感器测得张力值增加为正值或者减小为负值；
当检测出纱线张力过大时，纱线14对卷纱轴303产生轴向压力，微型张力传感器对张力进行检测，测得值为正值，随后微型张力传感器向卷纱轮3内部的中央处理芯片释放“放纱”指令，中央处理芯片将指令经过处理输出信号给卷纱轮3，卷纱轮3逆时针转动释放纱线14弥补张力差距，预先卷绕在卷纱轮3上的纱线14以此引出，与此同时经轴1同步转动，向卷纱轮3中输入纱线14，此时微型张力传感器检测到纱线张力正常后，输出张力值为0，卷纱轴303恢复匀速卷纱正常工作；
当检测出纱线张力过小时，纱线14对卷纱轴303的轴向压力消失或呈负向增长，微型张力传感器对张力进行检测，测得值为负值，随后微型张力传感器向卷纱轮内部的中央处理芯片释放“卷纱”指令，中央处理芯片将指令经过处理输出信号给卷纱轮，卷纱轮顺时针转动释放纱线缓解张力波动，使得卷纱轴上的纱线卷绕圈数增加，此时微型张力传感器检测到纱线张力正常后，输出张力值为0，卷纱轴303恢复匀速卷纱正常工作。纱线张力均匀后，机器顺利编织，减少了断纱出现的概率，提高了织物质量和机器的生产效率。
实施例3
本实施例提供了一种经编变速匀张力织造方法，所述方法应用了实施例1提供的一种经编变速匀张力送纱装置或实施例2提供的一种经编变速匀张力送纱装置的张力调节方法。
所述方法在经编机上进行编织，织造过程涉及的机件主要有梳栉6和成圈机构。梳栉下端分布着一排水平安装的导纱针，导纱针数与织针数相等，梳栉6可进行前后左右移动；成圈机构包含织针11、针床10、沉降片7、针芯15、沉降片床8和针芯床9，导纱针与织针11呈现相对位置关系。机器不工作时，织针11位于针床10内部，沉降片7位于沉降片床8内部，针芯15与针芯床9成配套关系，梳栉6位于织针11背部。
由于在经编产品中，一个横列的线圈是由若干导纱针牵引纱线同时形成的，一个导纱针匹配一根纱线，导纱针牵引纱线在织针之间前后左右来回移动形成不同的运动轨迹，从而使得线圈之间相互串套横纵向连接起来形成织物，因此这里主要以某一根导纱针牵引纱线编织的步骤做详细说明，图8展示编织产品过程中某根导纱针牵引纱线的局部运动轨迹图，织针上端为针前方向，织针下端为针背方向。
所述经编变速匀张力织造方法包括如下步骤：
S1.织物由若干横列和纵行组成，横列指的是图8中的横向同一排排列的线圈，纵行指的是图8中纵向同一列排列的线圈，织物由下而上进行编织；一开始编织第A横列时，梳栉位于针背方向，需先摆至针前方向，并向右移动至选中织针右端完成针前垫纱，织针勾入纱线后下降，沉降片做径向运动，针芯15也随之下降，由针芯15将针口堵住，纱线被完全锁在封闭的织针内，旧线圈从针杆沿着针芯15向上滑动；导纱针向针背方向摆动，织针和针芯15一起下降至最低位置，新线圈从织针上脱落变成旧线圈，沉降片握持刚脱落的旧线圈并将其向与针床相反的方向牵拉；
S2.每个横列的线圈编织过程与S1相似，不同之处在于导纱针的运动方向及针背横移针距数；第A横列线圈编织完成后，导纱针位于织针背部，这时梳栉引导导纱针向左横移二针距编织第B横列；
S3.第B横列的线圈由导纱针牵引纱线从第A横列已完成垫纱成圈的织针背部向左横移二针距到达选中织针右端，此时梳栉引导导纱针摆动至针前位置，再向左移动完成指定织针的针前垫纱，随后梳栉引导导纱针向针背方向移动，完成第B横列的织针垫纱成圈运动；
S4.第C横列的线圈是由导纱针从第B横列已完成垫纱成圈的织针背部向右横移两个针距到达需要完成垫纱成圈的织针左端，接着梳栉引导导纱针移动至针前位置，再向右移动完成指定织针的针前垫纱，随后梳栉引导导纱针向针背方向移动，停留至已完成垫纱成圈的织 针的右端，完成第C横列的织针垫纱成圈运动；
S5.第D、E、F、G、H、I、J、K、L横列的线圈编织过程与S3、S4相似，针背横移针距数分别为3、3、4、4、2、2、3、3、4。
见图8中的区域①，其中，第D横列线圈形成过程中，导纱针从第C横列已完成垫纱成圈的织针背部向左横移三针距到达第D横列需要垫纱成圈的织针右端；而从第B横列向第C横列编织的过程中，针背横移针距数为二，小于三，可见在编织第D横列的过程中，纱线所受到的张力较编织第C横列时增加，产生张力不匀；此时卷纱轮下端的张力传感器测得张力值为正值，随后传感器向卷纱轮内部的中央处理芯片释放“放纱”指令，中央处理芯片将指令经过处理输出信号给卷纱轮，卷纱轮逆时针转动释放纱线，与此同时张力传感器检测实时张力，当测得张力值为0时，传感器向中央处理芯片释放“停止放纱”指令，经中央处理芯片处理后输出信号给卷纱轮，卷纱轮随后停止逆时针转动，纱线张力变得均匀。
见图8中的区域②，其中，第F横列向第G横列编织的过程中，第F横列已完成垫纱成圈的织针背部向右横移四针距到达第G横列需要垫纱成圈的织针左端；而第G横列向第H横列编织的过程中，针背横移针距为二，小于四，可见在编织第H横列的过程中，纱线所受到的张力较编织第G横列时减小，产生张力不匀；此时卷纱轮下端的张力传感器测得张力值为负值，随后传感器向卷纱轮内部的中央处理芯片释放“卷纱”指令，中央处理芯片将指令经过处理输出信号给卷纱轮，卷纱轮顺时针转动释放纱线，与此同时张力传感器检测实时张力，当测得张力值为0时，传感器向中央处理芯片释放“停止卷纱”指令，经中央处理芯片处理后输出信号给卷纱轮，卷纱轮随后停止逆时针转动，纱线张力变得均匀。纱线张力均匀后，机器顺利编织，减少了断纱出现的概率，提高了织物质量和机器的生产效率。
尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同更换，凡在本发明的精神和原则之内，所做的任何修改，等同替换，改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种经编变速匀张力送纱装置，其特征在于，包括经轴(1)、连杆架(2)、梳栉(6)、成圈机构和牵拉卷取机构，所述连杆架(2)连接有卷纱轮(3)和引纱板(4)，所述经轴(1)卷绕有纱线(14)，所述卷纱轮(3)位于经轴(1)和梳栉(6)之间，所述卷纱轮(3)包括进纱口(301)、卷纱轴(303)和出纱口(304)，所述卷纱轴(303)安装有张力传感器，所述引纱板(4)上具有引纱孔(41)；经轴(1)转动送出纱线(14)，纱线(14)喂入卷纱轮(3)的进纱口(301)后，在卷纱轴(303)上卷绕若干圈数，从出纱口(304)引出，并穿过引纱板(4)上的引纱孔(41)，所述引纱孔(41)用于分开每根纱线(14)，使纱线(14)之间不相互缠结。
  2. 根据权利要求1所述的经编变速匀张力送纱装置，其特征在于，所述卷纱轮(3)能够旋转，且卷纱轮(3)的旋转速度能够改变以对纱线(14)的张力进行调节，所述卷纱轮(3)位于引纱板(4)的上方。
  3. 根据权利要求2所述的经编变速匀张力送纱装置，其特征在于，所述梳栉(6)上分布有导纱针，纱线(14)经导纱针喂入成圈机构，所述成圈机构包括织针(11)、针床(10)、沉降片(7)、沉降片床(8)和针芯床(9)，织针(11)安装于针床(10)内，沉降片(7)安装于沉降片床(8)内，针芯床(9)内安装有针芯(15)，所述梳栉(6)进行左右横移运动，使得导纱针在织针(11)间来回横移，完成织针(11)的垫纱成圈运动，线圈脱圈后形成坯布。
  4. 根据权利要求3所述的经编变速匀张力送纱装置，其特征在于，所述牵拉卷取机构包括牵拉辊(13)和压布辊(12)，将所述成圈机构产生的坯布卷入牵拉辊(13)并拉扯平整，再经由压布辊(12)压住布面凸起，以使得布面匀整。
  5. 根据权利要求4所述的经编变速匀张力送纱装置，其特征在于，所述引纱板(4)与梳栉(6)之间设置有张力杆(5)，纱线(14)从引纱板(4)上的引纱孔(41)穿过并绕过张力杆(5)，再喂入梳栉(6)下端的导纱针。
  6. 根据权利要求5所述的经编变速匀张力送纱装置，其特征在于，所述卷纱轮(3)还包括防尘罩(302)和中央处理芯片，所述防尘罩(302)位于卷纱轴(303)的外侧，所述张力传感器安装于卷纱轴(303)的轴壁下端，所述卷纱轴(303)和张力传感器均与中央处理芯片数据连接；所述张力传感器用于检测送纱过程中的张力波动，并将检测到的数据传至中央处理芯片，所述中央处理芯片根据检测到的数据控制卷纱轴(303)顺时针或逆时针转动，以调节送纱过程中纱线(14)的张力。
  7. 一种经编变速匀张力送纱装置的张力调节方法，其特征在于，应用了权利要求1-6任一所述的经编变速匀张力送纱装置，包括如下步骤：
    纱线(14)的张力均匀未出现异常时，卷纱轮(3)中预先卷入一定圈数的纱线(14)，经轴(1)送纱卷纱轮(3)匀速同步引出纱线(14)，张力传感器安装在卷纱轴(303)轴壁下端区域a内；在未喂纱编织前，按下位于连杆架(2)侧端的张力清零按钮b，此时张力传感器的张力检测值校准为0；当机器编织过程中纱线(14)张力出现不匀时，卷绕在卷纱轴(303)的纱线(14)会对卷纱轴(303)的轴壁造成轴向挤压或者放松，使得卷纱轴(303)底端区域内部的张力传感器测得张力值增加为正值或者减小为负值；
    当检测出纱线(14)张力过大时，纱线(14)对卷纱轴(303)产生轴向压力，张力传感器对张力进行检测，测得值为正值，随后张力传感器向卷纱轮(3)内部的中央处理芯片释放放纱指令，中央处理芯片将指令经过处理输出信号给卷纱轮(3)，卷纱轮(3)逆时针转动释放纱线(14)弥补张力差距，预先卷绕在卷纱轮(3)上的纱线(14)以此引出，与此同时经轴(1)同步转动，向卷纱轮(3)中输入纱线(14)，此时张力传感器检测到纱线(14)张力正常后，输出张力值为0，卷纱轴(303)恢复匀速卷纱正常工作；
    当检测出纱线(14)张力过小时，纱线(14)对卷纱轴(303)的轴向压力消失或呈负向增长，张力传感器对张力进行检测，测得值为负值，随后张力传感器向卷纱轮(3)内部的中央处理芯片释放卷纱指令，中央处理芯片将指令经过处理输出信号给卷纱轮(3)，卷纱轮(3)顺时针转动释放纱线(14)缓解张力波动，使得卷纱轴(303)上的纱线(14)卷绕圈数增加，此时张力传感器检测到纱线(14)张力正常后，输出张力值为0，卷纱轴(303)恢复匀速卷纱正常工作。
  8. 一种经编变速匀张力织造方法，其特征在于，应用了权利要求1-6任一所述的经编变速匀张力送纱装置或权利要求7所述的经编变速匀张力送纱装置的张力调节方法，包括如下步骤：
    S1.织物由若干横列和纵行组成，织物由下而上进行编织；一开始编织第A横列时，梳栉(6)位于针背方向，需先摆至针前方向，并向右移动至选中织针(11)右端完成针前垫纱，织针(11)勾入纱线(14)后下降，沉降片(7)做径向运动，针芯(15)也随之下降，由针芯(15)将针口堵住，纱线(14)被完全锁在封闭的织针(11)内，旧线圈从针杆沿着针芯(15)向上滑动；导纱针向针背方向摆动，织针(11)和针芯(15)一起下降至最低位置，新线圈从织针(11)上脱落变成旧线圈，沉降片(7)握持刚脱落的旧线圈并将其向与针床(10)相反的方向牵拉；
    S2.每个横列的线圈编织过程与S1相似，不同之处在于导纱针的运动方向及针背横移针距数；第A横列线圈编织完成后，导纱针位于织针(11)背部，这时梳栉(6)引导导纱针向 左横移二针距编织第B横列；
    S3.第B横列的线圈由导纱针牵引纱线(14)从第A横列已完成垫纱成圈的织针(11)背部向左横移二针距到达选中织针(11)右端，此时梳栉(6)引导导纱针摆动至针前位置，再向左移动完成指定织针(11)的针前垫纱，随后梳栉(6)引导导纱针向针背方向移动，完成第B横列的织针(11)垫纱成圈运动；
    S4.第C横列的线圈是由导纱针从第B横列已完成垫纱成圈的织针(11)背部向右横移两个针距到达需要完成垫纱成圈的织针(11)左端，接着梳栉(6)引导导纱针移动至针前位置，再向右移动完成指定织针(11)的针前垫纱，随后梳栉(6)引导导纱针向针背方向移动，停留至已完成垫纱成圈的织针(11)的右端，完成第C横列的织针(11)垫纱成圈运动；
    S5.第D、E、F、G、H、I、J、K、L横列的线圈编织过程与S3、S4相似，针背横移针距数分别为3、3、4、4、2、2、3、3、4。
  9. 根据权利要求8所述的经编变速匀张力织造方法，其特征在于，其中，第D横列线圈形成过程中，导纱针从第C横列已完成垫纱成圈的织针(11)背部向左横移三针距到达第D横列需要垫纱成圈的织针(11)右端；而从第B横列向第C横列编织的过程中，针背横移针距数为二，小于三，在编织第D横列的过程中，纱线(14)所受到的张力较编织第C横列时增加，产生张力不匀；此时卷纱轮(3)下端的张力传感器测得张力值为正值，随后传感器向卷纱轮(3)内部的中央处理芯片释放放纱指令，中央处理芯片将指令经过处理输出信号给卷纱轮(3)，卷纱轮(3)逆时针转动释放纱线(14)，与此同时张力传感器检测实时张力，当测得张力值为0时，传感器向中央处理芯片释放停止放纱指令，经中央处理芯片处理后输出信号给卷纱轮(3)，卷纱轮(3)随后停止逆时针转动，纱线(14)张力变得均匀。
  10. 根据权利要求8所述的经编变速匀张力织造方法，其特征在于，其中，第F横列向第G横列编织的过程中，第F横列已完成垫纱成圈的织针(11)背部向右横移四针距到达第G横列需要垫纱成圈的织针(11)左端；而第G横列向第H横列编织的过程中，针背横移针距为二，小于四，在编织第H横列的过程中，纱线(14)所受到的张力较编织第G横列时减小，产生张力不匀；此时卷纱轮(3)下端的张力传感器测得张力值为负值，随后传感器向卷纱轮(3)内部的中央处理芯片释放卷纱指令，中央处理芯片将指令经过处理输出信号给卷纱轮(3)，卷纱轮(3)顺时针转动释放纱线(14)，与此同时张力传感器检测实时张力，当测得张力值为0时，传感器向中央处理芯片释放停止卷纱指令，经中央处理芯片处理后输出信号给卷纱轮(3)，卷纱轮(3)随后停止逆时针转动，纱线(14)张力变得均匀。
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