CN116463811A - Preshrinking machine for knitting elastic cloth dyeing process and dyeing process - Google Patents

Preshrinking machine for knitting elastic cloth dyeing process and dyeing process Download PDF

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Publication number
CN116463811A
CN116463811A CN202310601033.0A CN202310601033A CN116463811A CN 116463811 A CN116463811 A CN 116463811A CN 202310601033 A CN202310601033 A CN 202310601033A CN 116463811 A CN116463811 A CN 116463811A
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CN
China
Prior art keywords
cloth
roller
action wheel
driving
weft
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Pending
Application number
CN202310601033.0A
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Chinese (zh)
Inventor
邹妙琴
卢磊鑫
王彩红
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Zhejiang Jindian Printing And Dyeing Co ltd
Original Assignee
Zhejiang Jindian Printing And Dyeing Co ltd
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Application filed by Zhejiang Jindian Printing And Dyeing Co ltd filed Critical Zhejiang Jindian Printing And Dyeing Co ltd
Priority to CN202310601033.0A priority Critical patent/CN116463811A/en
Publication of CN116463811A publication Critical patent/CN116463811A/en
Pending legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C21/00—Shrinking by compressing
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H3/00—Inspecting textile materials
    • D06H3/12—Detecting or automatically correcting errors in the position of weft threads in woven fabrics
    • D06H3/125—Detecting errors in the position of weft threads
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C2700/00—Finishing or decoration of textile materials, except for bleaching, dyeing, printing, mercerising, washing or fulling
    • D06C2700/10—Guides or expanders for finishing
    • 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

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The utility model belongs to the technical field of fabric dyeing, in particular to a preshrinking machine and a dyeing process for a knitting elastic fabric dyeing process, which comprises a frame, wherein an overfeed roller, a flattening roller, a pressure-bearing roller and a fabric outlet roller are sequentially arranged on the frame, a rubber blanket tension roller is arranged below the pressure-bearing roller, a traction motor is connected on the fabric outlet roller, the overfeed roller is connected with the overfeed motor, a weft-skew adjusting device is arranged between the overfeed roller and the flattening roller, and comprises an infrared edge detection mechanism, a controller and two weft-skew adjusting pieces, wherein the infrared edge detection mechanism is used for detecting the positions of cloth edges at two ends of the pressure-bearing roller so as to judge weft-skew conditions; the controller is connected with the weft-skew adjusting piece, controls the weft-skew adjusting piece to change the input speed of the corresponding fabric edge after receiving the electric signal of the infrared edge detection mechanism, and is provided with a humidifying device on the frame, and the humidifying device is positioned on one side of the pressure-bearing roller, which is opposite to the cloth outlet roller. The method has the advantage of reducing the weft skew during preshrinking, thereby ensuring preshrinking and dyeing effects.

Description

Preshrinking machine for knitting elastic cloth dyeing process and dyeing process
Technical Field
The application relates to the technical field of fabric dyeing, in particular to a preshrinking machine for a knitting elastic fabric dyeing process and a dyeing process.
Background
The knitted elastic fabric is a fabric added with elastic yarns such as spandex during knitting, and has good elasticity.
The Chinese patent with the publication number of CN204825370U discloses a pre-shrinking machine for fabrics, which comprises a cloth feeding roller and a cloth discharging roller which are symmetrically arranged left and right, wherein a pressure bearing roller is arranged between the cloth feeding roller and the cloth discharging roller, a rubber blanket tension roller is arranged right below the pressure bearing roller, the outer edges of the cloth feeding roller, the cloth discharging roller and the rubber blanket tension roller are sleeved with a rubber blanket, the pressure bearing roller presses the rubber blanket to enable the rubber blanket to be sunken, fabrics to be pre-shrunk enter between the cloth feeding roller and the pressure bearing roller, and are sent out between the cloth discharging roller and the pressure bearing roller, the cloth feeding roller and the cloth discharging roller are respectively arranged on fixed rods with adjustable lengths, and the pressure bearing roller and the rubber blanket tension roller are heating rollers. The cloth feeding roller and the cloth discharging roller are respectively arranged on the fixed rods with adjustable length, the distance between the cloth feeding roller and the cloth discharging roller is adjustable, the cloth feeding roller and the cloth discharging roller are used for realizing the adjustment of the tight pressure of fabrics and increasing the application range of a pre-shrinking machine for the fabrics, and the pressure bearing roller and the rubber blanket tension roller are both heating rollers, so that the fabrics are heated during extrusion, the pre-shrinking effect is improved, and the cloth feeding roller and the cloth discharging roller have good application prospect.
However, the phenomenon of weft inclination may occur when the cloth does not enter the preshrinking process, and the preshrinking effect is not ideal after the cloth with weft inclination is preshrinked. And thus also the subsequent dyeing quality and the product quality.
Disclosure of Invention
In order to reduce the possibility of weft inclination of the elastic cloth during preshrinking and thereby improve the quality of the preshrinking and even the dyed cloth, the application provides a preshrinking machine for a knitting elastic cloth dyeing process.
The application provides a preshrinking machine for knitting stretch cloth dyeing process adopts following technical scheme:
the preshrinking machine comprises a frame, wherein an overfeed roller, a flattening roller, a pressure-bearing roller and a cloth outlet roller are sequentially arranged on the frame, a rubber blanket tension roller is arranged below the pressure-bearing roller, a traction motor is connected to the cloth outlet roller, the overfeed roller is connected with the overfeed motor, the pressure-bearing roller and the rubber blanket tension roller are both heating rollers, a weft-skew adjusting device is arranged between the overfeed roller and the flattening roller, and comprises an infrared edge detection mechanism, a controller and two weft-skew adjusting pieces, wherein the infrared edge detection mechanism is arranged at two end positions of the pressure-bearing roller and is electrically connected with the controller for detecting the cloth edge positions at two ends of the pressure-bearing roller so as to judge the weft-skew condition; the controller is connected with the weft-skew adjusting piece, controls the weft-skew adjusting piece to change the input speed of the corresponding fabric edge after receiving the electric signal of the infrared edge detection mechanism, and is provided with a humidifying device on the frame, and the humidifying device is positioned on one side of the pressure-bearing roller, which is opposite to the cloth outlet roller.
By adopting the technical scheme, the cloth roll is placed on the frame, then bypasses the overfeed roller, the flattening roller, the pressure-bearing roller and the cloth outlet roller, and finally is rolled or directly enters the setting machine for setting; the overfeed roller drives the cloth to overspeed unreel, so that the cloth is overfed, the flattening roller is used for flattening the cloth in the width direction, main power for conveying the cloth is provided at the cloth outlet roller, the cloth enters the pressure bearing roller, is preshrinked after passing through the rubber blanket tension roller and the pressure bearing roller, and then is discharged through the cloth outlet roller; the infrared edge detection mechanism is used for edge detection, and then the controller is used for controlling the weft-skew adjusting piece to adjust the selvedge transmission speed of the cloth, so that weft skew is reduced and eliminated, and the preshrinking effect is ensured.
Optionally, the oblique regulating part of latitude includes the action wheel, is used for driving action wheel pivoted variable speed motor, sets up at the action wheel outer fringe and along the conflict piece of initiative wheel circumference distribution, and the conflict piece is set up to the arc conflict face against the surface of action wheel axle center, thereby the arc conflict face is used for driving the surface fabric edge and carries through the friction with surface contact.
Through adopting above-mentioned technical scheme, drive the action wheel through variable speed motor and rotate, when rotating, the arc conflict face at the edge of conflict piece is contradicted with the cloth, then drives the cloth and carry, when the speed of arc conflict face is faster than the cloth selvedge, can drive the selvedge of place side and carry with higher speed, when the speed of arc conflict face is slower than the cloth selvedge, can drive the selvedge of place side and carry at a slow speed, when the speed of two selvedges of cloth is inconsistent, the weft skew of cloth is alleviateed even eliminated; the cloth on which side can be known to be too fast through the cloth edge detection, so that the speed of the arc-shaped abutting surface is adjusted by the speed-changing motor on which side is decelerated or the weft-skew adjusting piece is controlled through the controller, the cloth edge speed is reduced, and weft skew is relieved.
Optionally, the interference piece includes cylinder base and polylith fly leaf, cylinder base sets up on the action wheel outer fringe and coaxial with the action wheel, the fly leaf rotates and installs on the lateral wall of cylinder base and circumferentially distributes along the driving wheel, arc interference surface sets up on the surface of fly leaf back to the action wheel axle center, thereby the axis of rotation between cylinder base and the fly leaf sets up along the cloth direction of delivery and makes the rotation plane be the vertical plane at cloth width place, the axis of rotation is located the one end that the cylinder base is close to the cloth cover center, thereby be provided with the speed change piece of adjusting cylinder base and fly leaf contained angle size change arc interference surface line speed in the frame.
By adopting the technical scheme, when the speed of the arc-shaped abutting surface needs to be regulated, the movable plate is driven to rotate on the cylinder base through the speed changing piece, so that the linear speed of the arc-shaped abutting surface is changed under the condition that the radius of the arc-shaped abutting surface relative to the driving wheel is changed and the rotating speed of the speed changing wheel is unchanged; in addition, when the radius is increased, the arc-shaped abutting surface is more tightly abutted against the cloth, and the speed is increased, so that the arc-shaped abutting surface has better driving effect on the cloth, and the conveying of the selvedge at the position is accelerated; otherwise, the arc-shaped abutting surface is abutted against the cloth to tend to be loose, the linear speed is reduced, the conveying effect is reduced, and the adjusting effect can be better.
Optionally, the speed change piece includes drive guide cylinder and is used for driving the drive baffle and inserts the electric jar between cylinder base and the fly leaf along cloth face width direction, the electric jar sets up in the frame, the push rod and the action wheel coaxial setting of electric jar, thereby the inner wall and the cylinder base outer wall laminating of drive guide cylinder form the slip that the drive guide cylinder cover is located outside the cylinder base and is located between the contained angle of cylinder base and fly leaf, thereby drive guide cylinder is connected with the push rod of electric jar.
Through adopting above-mentioned technical scheme, the push rod of electric jar stretches out and draws back and drive the guide cylinder and remove in the axial to make the fly leaf rotate, simple structure, the drive is effectual.
Optionally, the speed change piece includes drive lug and sliding block, the drive lug sets up in cylinder base outer wall, the spout along the radial and running through the inside and outside wall of drive guide cylinder of action wheel is offered to the vertical lateral wall at drive guide cylinder towards cloth center, and the spout is provided with a plurality ofly along drive guide cylinder circumference, the sliding block slides and sets up in the spout, annular intercommunication groove has been offered towards the lateral wall at cloth center to the drive guide cylinder, and the intercommunication groove runs through the inner wall of drive guide cylinder towards drive guide cylinder axial direction, and the intercommunication groove is used for supplying drive lug to rotate smoothly when the action wheel rotates, the drive lug sets up to the toper guide surface opposite to cloth center's side, and the inclination of toper guide surface is from drive guide cylinder to drive lug direction radius increase gradually.
Through adopting above-mentioned technical scheme, drive guide cylinder is when being close to the central removal of cloth, and drive lug and sliding block contact, and drive the lug and get into from the sliding block bottom and drive the sliding block and move outward along the spout, contradict through sliding block and fly leaf towards the surface of cylinder base to drive the fly leaf and rotate, under the prerequisite of the same travel of drive guide cylinder, can drive the fly leaf and rotate bigger angle, when making the adjustment unchangeable, required travel is littleer, and the mechanism also can be designed smallly more.
Optionally, humidification device includes the delivery pipe and follows the humidification shower nozzle of delivery pipe length direction distribution, the delivery pipe is connected with the water supply source, the delivery pipe sets up and is located latitudinal deviation adjusting device top along cloth width direction, the humidification shower nozzle sets up towards the cloth surface.
Through adopting above-mentioned technical scheme, carry out the humidification through the humidification shower nozzle, simple structure, the humidification is effectual.
Optionally, the humidification shower nozzle is including being used for the selvedge shower nozzle to the selvedge humidification and being used for the selvedge shower nozzle to the cloth humidification between the selvedge, and the selvedge shower nozzle is located the both ends position of delivery pipe, and rotates with the delivery pipe to be connected, rotates the pivot of being connected and sets up along cloth length direction, thereby the selvedge shower nozzle is connected with the push rod of electric jar when the push rod of electric jar drives the drive guide cylinder and removes to the cloth center, drives the selvedge shower nozzle to the cloth outside rotation to reduce humidification efficiency.
Through adopting above-mentioned technical scheme, when accelerating the removal of selvedge, the selvedge tends to be opened by the jack-up, is easily by the humidification, needs the degree that reduces the humidification, through driving the selvedge shower nozzle and outwards changeing, can reduce the humidification effect of selvedge shower nozzle to the selvedge to adapt to the operating mode needs.
Optionally, a reset piece which drives the movable plate to rotate towards the direction of the cylinder base is arranged between the cylinder base and the movable plate.
Through adopting above-mentioned technical scheme, the fly leaf sags when the fly leaf rotates the below, and the fly leaf can rotate to the cylinder base again when rotating the top to take place the striking, can keep the state of fly leaf through the piece that resets, avoid continuous striking when rotating, increase of service life reduces the noise that takes place.
Optionally, the reset member includes a reset torsion spring disposed between the column base and the movable plate.
Through adopting above-mentioned technical scheme, drive the rotation reset of fly leaf through reset torsion spring, simple structure, it is effectual.
A second object of the present utility model is to provide a dyeing process of knitted elastic fabric, comprising: s01, unreeling grey cloth; s02, pre-shrinking the unreeled grey cloth of the S01 through the pre-shrinking machine of any one of claims 1-9; s03, presetting the fabric subjected to the preshrinking treatment in the step S02; s04, dyeing the fabric after the preshaping in the S03; s05, washing the dyed fabric in the S04; s06, opening, drying and shaping the fabric washed in the step S05.
By adopting the technical scheme, the pre-shrinking machine is utilized to pre-shrink the cloth, so that the influence of the weft skew on the pre-shrinking effect can be reduced, and the pre-shrinking quality is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the movable plate is finally driven to rotate by the extension and retraction of the push rod of the electric cylinder, so that the linear speed of the arc-shaped abutting surface is changed, the conveying speed of the cloth after the arc-shaped abutting surface contacts is further changed, the weft skew degree of the cloth before entering preshrinking is adjusted, the weft skew phenomenon is slowed down or even eliminated, and preshrinking and dyeing effects are further ensured;
2. the cloth edge speed can be adjusted by changing the rotation of the variable speed motor, so that the weft skew is slowed down;
3. when the movable plate rotates, the height of the arc-shaped abutting surface rises to tighten the cloth, friction between the arc-shaped abutting surface and the cloth is increased, so that a driving effect is enhanced, and on the other hand, the linear speed of the arc-shaped abutting surface can be increased, and the driving effect is further improved.
Reference numerals
Fig. 1 is a schematic structural view of a precondenser according to example 1 of the present application.
Fig. 2 is a cross-sectional view of the precondenser of example 1 of the present application.
Fig. 3 is a schematic view showing the construction of the weft-bias adjusting device and the humidifying device of the precondenser of example 1 of the present application.
Fig. 4 is a schematic structural view of the skew adjusting member of embodiment 1 of the present application.
Fig. 5 is a cross-sectional view of a skew adjusting member of embodiment 1 of the present application.
Fig. 6 is an exploded view of the skew adjusting member of embodiment 1 of the present application.
Reference numerals illustrate: 1. a frame; 11. overfeed roller; 111. an overfeed motor; 12. a flattening roller; 13. a pressure bearing roller; 14. a cloth outlet roller; 141. a traction motor; 15. a rubber blanket tension roller; 16. a cloth feeding roller; 17. a lower cloth roller; 18. a rubber blanket; 2. a humidifying device; 21. a water supply pipe; 22. humidifying the spray head; 221. a selvedge shower nozzle; 222. cloth cover spray heads; 23. a driving rod; 3. a weft skew adjustment device; 4. an infrared edge detection mechanism; 6. a weft skew adjusting member; 61. a driving wheel; 62. a variable speed motor; 63. a collision block; 631. a column base; 632. a movable plate; 6321. an arc-shaped abutting surface; 64. a reset member; 7. a speed change member; 71. driving the guide cylinder; 772. an electric cylinder; 73. a driving bump; 731. a conical guide surface; 74. a sliding block; 75. sliding; 76. and a communication groove.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-6.
The embodiment 1 of the application discloses a pre-shrinking machine for a knitting elastic fabric dyeing process, which comprises a frame 1, wherein an overfeeding roller 11, a flattening roller 12, a humidifying device 2, a pressure bearing roller 13 and a fabric outlet roller 14 are sequentially arranged on the frame 1, as shown in fig. 1.
As shown in fig. 1 and 2, a rubber blanket tension roller 15 is arranged below the backing roller 13, two sides of the backing roller 13 are respectively provided with a cloth feeding roller 16 and a lower cloth feeding roller 17, the cloth feeding roller 16 is positioned between the flattening roller 12 and the backing roller 13, and the lower cloth feeding roller 17 is positioned between the backing roller 13 and the cloth discharging roller 14. The rubber blanket tension roller 15, the pressure-bearing roller 13, the cloth feeding roller 16 and the lower cloth roller 17 are connected through a rubber blanket 18, the rubber blanket tension roller 15 can adjust and move on the frame 1, and the tension of the rubber blanket 18 is changed through the adjusting and moving. The pressure-bearing roller 13 and the rubber blanket tension roller 15 are both heating rollers.
The cloth discharging roller 14 is connected with a traction motor 141 arranged on the frame 1, and the traction motor 141 drives the cloth discharging roller 14 to rotate for cloth pulling and cloth conveying.
The overfeed roller 11 is connected with an overfeed motor 111 arranged on the frame 1, and the overfeed motor 111 drives the overfeed roller 11 to rotate so as to drive the cloth overfeed to be conveyed.
And a weft skew adjusting device 3 is arranged between the overfeed roller 11 and the flattening roller 12, and the weft skew adjusting device 3 comprises an infrared edge detection mechanism 4, a controller and two weft skew adjusting pieces 6.
The infrared edge detection mechanism 4 is an infrared edge detection mechanism 4 commonly used in the art, and will not be described herein.
The two weft inclined adjusting parts 6 are positioned at two sides of the cloth and respectively correspond to one of the cloth edges.
As shown in fig. 3 and 4, the skew adjusting member 6 includes a driving wheel 61, a variable speed motor 62 for driving the driving wheel 61 to rotate, and a collision block 63 disposed at an outer edge of the driving wheel 61, wherein the collision block 63 includes a column base 631 and a plurality of movable plates 632.
As shown in fig. 3 and 4, the variable speed motor 62 is mounted on the frame 1, the rotation shaft of the driving wheel 61 is disposed along the cloth width direction, the driving wheel 61 is connected with the variable speed motor 62, the column base 631 is mounted on the outer edge of the driving wheel 61 and coaxial with the driving wheel 61, and the movable plate 632 is rotatably mounted on the outer side wall of the column base 631 and is distributed in plurality along the circumferential direction of the driving wheel 61.
As shown in fig. 5 and fig. 6, an arc-shaped abutting surface 6321 is disposed on a surface of the movable plate 632 facing away from the axis of the driving wheel 61, and an arc-shaped cross section of the arc-shaped abutting surface 6321 is parallel to the driving wheel 61 and is used for abutting against the bottom surface of the cloth to drive the cloth to transport.
The rotation shaft between the column base 631 and the movable plate 632 is disposed in the cloth conveying direction so that the rotation plane is a vertical plane in which the cloth width is located.
A reset member 64 is provided between the cylinder base 631 and the movable plate 632 to rotate the movable plate 632 in the direction of the cylinder base 631, and the reset member 64 includes a reset torsion spring provided between the cylinder base 631 and the movable plate 632.
The rotation axis is located the one end that is close to the cloth cover center of cylinder base 631, is provided with the speed change piece 7 that adjusts cylinder base 631 and fly leaf 632 contained angle size thereby change arc conflict face 6321 linear velocity on the frame 1.
The speed change member 7 includes a driving guide 71, a cylinder 772, a driving bump 73, and a sliding block 74, wherein the cylinder 772 is used for driving the driving guide plate to be inserted between the cylinder base 631 and the movable plate 632 along the width direction of the cloth cover.
The electric cylinder 772 is installed on the frame 1, the push rod of the electric cylinder 772 is coaxially arranged with the driving wheel 61, the driving guide cylinder 71 is sleeved outside the cylinder base 631 and is positioned between the cylinder base 631 and the included angle of the movable plate 632, the inner wall of the driving guide cylinder 71 is attached to the outer wall of the cylinder base 631 to form sliding 75, and the driving guide cylinder 71 is connected with the push rod of the electric cylinder 772.
The drive lug 73 is arranged on the outer wall of the cylinder base 631, a sliding 75 groove which is radial to the driving wheel 61 and penetrates through the inner wall and the outer wall of the drive lug 71 is formed in the vertical side wall of the drive lug 71 towards the center of the cloth, a plurality of sliding 75 grooves are formed in the sliding 75 groove along the circumferential direction of the drive lug 71, an annular communication groove 76 is formed in the side wall of the drive lug 71 towards the center of the cloth, the communication groove 76 penetrates through the inner wall of the drive lug 71 towards the axial direction of the drive lug 71, the communication groove 76 is used for enabling the drive lug 73 to smoothly rotate when the driving wheel 61 rotates, the side surface of the drive lug 73, which is opposite to the center of the cloth, is provided with a conical guide surface 731, and the inclination direction of the conical guide surface 731 is that the radius of the direction from the drive lug 71 to the drive lug 73 is gradually increased.
As shown in fig. 2 and 3, the infrared edge detection mechanism 4 is disposed at two ends of the pressure-bearing roller 13 and electrically connected to the controller, and is used for detecting the selvedge positions at two ends of the pressure-bearing roller 13 so as to determine the weft skew condition. The controller is connected with the weft yarn inclination adjusting piece 6, and after receiving the electric signal of the infrared edge detection mechanism 4, the controller controls the push rod of the electric cylinder 772 to move, thereby driving the driving guide cylinder 71 to move, further changing the rotation of the movable plate 632, further changing the linear speed of the arc-shaped abutting surface 6321, further changing the conveying speed of the cloth edge, and relieving and eliminating weft yarn inclination.
As shown in fig. 3, the humidifying device 2 is located at one side of the pressure-bearing roller 13 facing away from the cloth outlet roller 14 and located above the cloth, the humidifying device 2 includes a water supply pipe 21 and humidifying sprayers 22 distributed along the length direction of the water supply pipe 21, the water supply pipe 21 is horizontally arranged along the width direction of the cloth, the water supply pipe 21 is connected with water supply source water, the water supply pipe 21 is located above the driving wheel 61, and the humidifying sprayers 22 are arranged towards the surface of the cloth.
The humidifying nozzle 22 comprises a selvedge nozzle 221 for humidifying selvedge and a selvedge nozzle 222 for humidifying cloth between selvedge, the selvedge nozzle 221 is located at two ends of the water supply pipe 21 and is rotationally connected with the water supply pipe 21, a rotating shaft rotationally connected with the selvedge nozzle is arranged along the length direction of the cloth, a driving rod 23 is arranged on the selvedge nozzle 221, the driving rod 23 is located at one side, opposite to the selvedge nozzle 221, of a hinge point of the selvedge nozzle 221 and the water supply pipe 21, and the driving rod 23 is connected with a push rod of the electric cylinder 772, so that when the push rod of the electric cylinder 772 drives the driving guide cylinder 71 to move towards the center of the cloth, the selvedge nozzle 221 is driven to rotate towards the outer side of the cloth, and humidifying efficiency is reduced.
Example 1 a precondensator was used according to the following principle:
the cloth sequentially passes over the overfeed roller 11, under the flattening roller 12, over the driving wheel 61, over the cloth feeding roller 16, under the pressure roller 13, over the lower cloth roller 17 and under the cloth discharging roller 14. When cloth enters between the rubber blanket 18 and the pressure-bearing roller 13, the surface of the cloth is preshrinked under the action of the rubber blanket tension roller 15 and the pressure-bearing roller 13, and the finished cloth is output through the lower cloth roller 17 and the cloth output roller 14.
When the infrared edge detection mechanism 4 detects the position of the selvedge, an electric signal is sent to the controller, and the controller controls the push rod of one electric cylinder 772 to extend and the push rod of the other electric cylinder 772 to shrink or not move according to the actual conditions of the left side and the right side of the selvedge. At this time, the elongated push rod pushes the driving guide cylinder 71 to move toward the driving projection 73, and the driving projection 73 gradually extends into the groove of the sliding block 75 and is inserted below the sliding block 74, so that the sliding block 74 is driven to move along the groove of the sliding block 75 in a direction away from the axis of the driving guide cylinder 71. The sliding block 74 abuts against the bottom surface of the movable plate 632, so that the movable plate 632 is driven to rotate, the included angle between the movable plate 632 and the driving guide cylinder 71 is increased, the arc abutting surface 6321 abuts against the bottom surface of the cloth, the cloth edge is driven to be conveyed faster, and the cloth edge is jacked up to a certain extent; meanwhile, due to the extension of the push rod, the driving rod 23 connected with the push rod is pushed to rotate to drive the selvedge nozzle 221 to rotate, so that the selvedge nozzle 221 rotates outwards, part of water mist is sprayed out of the cloth range, and the water quantity sprayed onto the cloth edge of the cloth is reduced.
Embodiment 2 discloses a dyeing process of knitted elastic fabric, comprising: s01, unreeling grey cloth; s02, pre-shrinking the unreeled grey cloth in the S01 through a pre-shrinking machine; s03, presetting the fabric subjected to the preshrinking treatment in the step S02; s04, dyeing the fabric after the preshaping in the S03; s05, washing the dyed fabric in the S04; s06, opening, drying and shaping the fabric washed in the step S05.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. A preshrinking machine for knitting stretch fabric dyeing process which is characterized in that: the device comprises a frame (1), an overfeed roller (11), a flattening roller (12), a pressure-bearing roller (13) and a cloth outlet roller (14) are sequentially arranged on the frame (1), a rubber blanket tension roller (15) is arranged below the pressure-bearing roller (13), a traction motor (141) is connected to the cloth outlet roller (14), the overfeed roller (11) is connected with the overfeed motor (111), the pressure-bearing roller (13) and the rubber blanket tension roller (15) are both heating rollers, a weft inclination adjusting device (3) is arranged between the overfeed roller (11) and the flattening roller (12), the weft inclination adjusting device (3) comprises an infrared edge detection mechanism (4), a controller (5) and two weft inclination adjusting pieces (6), and the infrared edge detection mechanism (4) is arranged at two end positions of the pressure-bearing roller (13) and is electrically connected with the controller (5) so as to detect the cloth edge positions at two ends of the pressure-bearing roller (13) to judge the weft inclination condition; the controller (5) is connected with the weft-skew adjusting piece (6), controls the weft-skew adjusting piece (6) to change the input speed of the corresponding fabric edge after receiving the electric signal of the infrared edge detection mechanism (4), and the frame (1) is provided with the humidifying device (2), and the humidifying device (2) is positioned on one side of the pressure-bearing roller (13) opposite to the cloth outlet roller (14).
2. A pre-shrinking machine for a knitted stretch fabric dyeing process according to claim 1, characterized in that: the weft skew adjusting piece (6) comprises a driving wheel (61), a variable-speed motor (62) for driving the driving wheel (61) to rotate, and collision blocks (63) arranged at the outer edge of the driving wheel (61) and distributed along the circumferential direction of the driving wheel (61), wherein the surface of the collision blocks (63) back to the axis of the driving wheel (61) is provided with an arc collision surface (6321), and the arc collision surface (6321) is used for contacting with the surface of the fabric so as to drive the edge of the fabric to be conveyed through friction.
3. A pre-shrinking machine for a knitted stretch fabric dyeing process according to claim 2, characterized in that: the utility model provides a control device for a motor vehicle, including action wheel (61), action wheel (61) and action wheel (61), action wheel (61) are located in action wheel (631), action wheel (631) are located action wheel (61), action wheel (61) are located action wheel (631), action wheel (61) are located action wheel (632) are located action wheel (631), action wheel (6321) are located action wheel (631) are located action wheel (632), arc conflict face (6321) are located action wheel (631) are located action wheel (61) face, rotation axis between action wheel (631) and action wheel (632) are located action wheel conveying direction and are located action wheel (631) face, thereby rotation axis between action wheel (631) and action wheel (632) are located action wheel width's vertical plane that action axis is located action axis, action wheel (631) are located action wheel (7).
4. A pre-shrinking machine for a knitted stretch fabric dyeing process according to claim 3, characterized in that: the speed change piece (7) comprises a driving guide cylinder (71) and an electric cylinder (772) for driving the driving guide plate to be inserted between a cylinder base (631) and a movable plate (632) along the width direction of the cloth surface, the electric cylinder (772) is arranged on a frame (1), a push rod of the electric cylinder (772) and a driving wheel (61) are coaxially arranged, the driving guide cylinder (71) is sleeved outside the cylinder base (631) and is located between an included angle of the cylinder base (631) and the movable plate (632), the inner wall of the driving guide cylinder (71) is attached to the outer wall of the cylinder base (631) to form sliding (75) movement, and the driving guide cylinder (71) is connected with the push rod of the electric cylinder (772).
5. A pre-shrinking machine for a knitted stretch fabric dyeing process according to claim 4, characterized in that: the speed change piece (7) comprises a driving lug (73) and a sliding block (74), the driving lug (73) is arranged on the outer wall of the cylinder base (631), a sliding (75) groove which is radial to the driving wheel (61) and penetrates through the inner wall and the outer wall of the driving lug (71) is formed in the vertical side wall of the center of the cloth, a plurality of sliding (75) grooves are formed in the circumferential direction of the driving lug (71), the sliding block (74) is arranged in the sliding (75) groove in a sliding manner, an annular communication groove (76) is formed in the side wall of the driving lug (71) towards the center of the cloth, the communication groove (76) penetrates through the inner wall of the driving lug (71) towards the axis direction of the driving lug (71), the communication groove (76) is used for enabling the driving lug (73) to smoothly rotate when the driving wheel (61) rotates, the side surface of the driving lug (73) opposite to the center of the cloth is provided with a conical guide surface (731), and the inclination direction of the conical guide surface (731) is gradually increases in radius from the driving lug (71) to the direction of the driving lug (73).
6. A pre-shrinking machine for a knitted stretch fabric dyeing process according to claim 5, characterized in that: the humidifying device (2) comprises a water supply pipe (21) and humidifying spray heads (22) distributed along the length direction of the water supply pipe (21), the water supply pipe (21) is connected with a water supply source, the water supply pipe (21) is arranged along the width direction of cloth and located above the weft-skew adjusting device (3), and the humidifying spray heads (22) are arranged towards the surface of the cloth.
7. A pre-shrinking machine for a knitted stretch fabric dyeing process according to claim 6, characterized in that: the humidifying nozzle (22) comprises a selvedge nozzle (221) for humidifying the selvedge and a selvedge nozzle (222) for humidifying the cloth among the selvedge, wherein the selvedge nozzle (221) is positioned at two ends of the water supply pipe (21) and is rotationally connected with the water supply pipe (21), a rotating shaft which is rotationally connected with the selvedge nozzle (221) is arranged along the length direction of the cloth, and the selvedge nozzle (221) is connected with a push rod of an electric cylinder (772) so as to drive the driving guide cylinder (71) to move towards the center of the cloth when the push rod of the electric cylinder (772) drives the selvedge nozzle (221) to rotate towards the outside of the cloth, so that humidifying efficiency is reduced.
8. A pre-shrinking machine for a knitted stretch fabric dyeing process according to claim 3, characterized in that: a reset piece (64) which drives the movable plate (632) to rotate towards the cylinder base (631) is arranged between the cylinder base (631) and the movable plate (632).
9. A pre-shrinking machine for a knitted stretch fabric dyeing process according to claim 5, characterized in that: the return member (64) includes a return torsion spring disposed between the cylinder base (631) and the movable plate (632).
10. A dyeing process for knitted elastic fabric is characterized in that: comprising the following steps:
s01, unreeling grey cloth;
s02, pre-shrinking the unreeled grey cloth of the S01 through the pre-shrinking machine of any one of claims 1-9;
s03, presetting the fabric subjected to the preshrinking treatment in the step S02;
s04, dyeing the fabric after the preshaping in the S03;
s05, washing the dyed fabric in the S04;
s06, opening, drying and shaping the fabric washed in the step S05.
CN202310601033.0A 2023-05-25 2023-05-25 Preshrinking machine for knitting elastic cloth dyeing process and dyeing process Pending CN116463811A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310601033.0A CN116463811A (en) 2023-05-25 2023-05-25 Preshrinking machine for knitting elastic cloth dyeing process and dyeing process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310601033.0A CN116463811A (en) 2023-05-25 2023-05-25 Preshrinking machine for knitting elastic cloth dyeing process and dyeing process

Publications (1)

Publication Number Publication Date
CN116463811A true CN116463811A (en) 2023-07-21

Family

ID=87179096

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310601033.0A Pending CN116463811A (en) 2023-05-25 2023-05-25 Preshrinking machine for knitting elastic cloth dyeing process and dyeing process

Country Status (1)

Country Link
CN (1) CN116463811A (en)

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