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CN-121992573-A - Production process and production equipment of weft knitting cowhide velvet fabric

CN121992573ACN 121992573 ACN121992573 ACN 121992573ACN-121992573-A

Abstract

The application relates to a production process and production equipment of a weft knitting and cowhide velvet fabric, wherein the production process comprises a circular knitting machine body, a frame is arranged on the circular knitting machine body, a coaxially distributed blowing cover and a dust suction cover are arranged on the frame, the dust suction cover is arranged on the outer side of the blowing cover and connected with an external dust suction device, the blowing cover is connected with the external blowing device, an elastic knocking piece is arranged on the frame and positioned on one side of the blowing channel, the annular blowing cover and the dust suction cover are coaxially distributed to form a circular blowing channel, yarn wool and dust on yarns are blown off by air flow blown by the blowing cover, the negative pressure is synchronously generated by the dust suction cover on the outer side to suck the blown off impurities, the elastic knocking piece knocks the yarns, so that the closely attached yarn wool and dust are shaken off, and the cleaning effect is further improved by matching with a blowing and sucking structure, and the production quality and efficiency of the weft knitting and cowhide velvet fabric are reduced.

Inventors

  • YANG YILAN
  • ZHANG GUOQING
  • QUAN LI
  • Tao Jigong
  • ZHANG YONGXING
  • SONG JIADONG
  • XU XIAOYING
  • SHAO CHUNLAI

Assignees

  • 浙江港龙织造科技有限公司

Dates

Publication Date
20260508
Application Date
20260224

Claims (10)

  1. 1. The production equipment of the weft knitting cowhide velvet fabric comprises a circular knitting machine body (1), wherein a frame (11) is arranged on the circular knitting machine body (1), the production equipment is characterized in that a blowing cover (12) and a dust hood (13) are arranged on the frame (11) and located on the upper side of the circular knitting machine body (1), the blowing cover (12) and the dust hood (13) are all in annular and coaxial distribution, the dust hood (13) is arranged on the outer side of the blowing cover (12) and connected with an external dust collection device, the blowing cover (12) is connected with the external dust collection device, a blowing channel for yarns to pass through is formed between the dust hood (13) and the blowing cover (12), an elastic knocking piece (2) is arranged on one side of the blowing channel and on the frame (11), and the elastic knocking piece (2) is used for knocking yarns.
  2. 2. The production equipment of the weft knitting cowhide velvet fabric is characterized in that the dust hood (13) is higher than the blowing hood (12), the elastic knocking pieces (2) are arranged on the blowing hood (12) and are located on one side of the dust hood (13), and the elastic knocking pieces (2) are arranged in a plurality and are uniformly distributed at intervals along the circumferential direction of the blowing hood (12).
  3. 3. The production equipment of the weft knitting cowhide velvet fabric is characterized in that the elastic knocking piece (2) comprises an elastic plate (21) and a mounting box (22), the mounting box (22) is arranged on the upper side of the blowing cover (12), the elastic plate (21) is rotatably mounted at the mounting box (22) and is positioned on the upper side of the blowing channel, one end of the elastic plate (21) is rotatably connected with the mounting box (22), an arc-shaped protruding portion (211) for contacting with yarns is arranged on one side of the elastic plate (21), and a driving piece (3) for pushing the elastic plate (21) to rotate is arranged on the mounting box (22).
  4. 4. The production equipment of the weft knitting cowhide velvet fabric is characterized in that the driving piece (3) comprises a cam (31) and a rotating shaft (32), the rotating shaft (32) is rotatably installed on the installation box (22), the rotating axis of the rotating shaft (32) and the axis of the blowing cover (12) are distributed in parallel, the cam (31) is rotatably installed on the installation box (22) and is fixedly connected with the rotating shaft (32) in a coaxial mode, the side face of the cam (31) is abutted with one side of an arc-shaped protruding portion (211) of the elastic plate (21), an abutting spring (33) is arranged in the installation box (22), and the abutting spring (33) is connected with one side of the elastic plate (21).
  5. 5. The production equipment of the weft knitting cowhide velvet fabric is characterized in that a rotating frame (111) is rotatably arranged on the frame (11), the rotating frame (111) and the blowing cover (12) are coaxially distributed, a rotating motor (14) is arranged on the frame (11), the rotating frame (111) is connected with an output shaft of the rotating motor (14), a first gear (321) is coaxially arranged on the rotating shaft (32), a first gear ring (1111) is arranged on the rotating frame (111), and the first gear (321) is meshed with the first gear ring (1111).
  6. 6. The production equipment of the weft knitting cowhide velvet fabric is characterized in that a dust collection groove (131) is formed in the inner side of the dust collection cover (13), a grid plate (132) is arranged at the opening of the dust collection cover (13), a rotating ring (4) is rotatably arranged on the inner side of the dust collection cover (13), the rotating ring (4) and the dust collection cover (13) are coaxially distributed, a rotating frame (41) is arranged on one side of the rotating ring (4) and at the dust collection groove (131), the rotating frame (41) is attached to the inner side wall of the dust collection cover (13), and a connecting piece (5) for driving the rotating ring (4) to rotate is arranged on the rack (11).
  7. 7. The production equipment of the weft knitting cowhide velvet fabric is characterized in that the connecting piece (5) comprises a mounting frame (51) and a second gear (52), the mounting frame (51) is arranged on the frame (11), the second gear (52) is rotatably arranged on the mounting frame (51), one side of the rotating ring (4) is positioned on the outer side of the dust hood (13), a second gear ring (42) is arranged on the rotating ring (4), one side of the second gear (52) is meshed with one side of the first gear ring (1111), and one side of the second gear (52) away from the first gear ring (1111) is meshed with the second gear ring (42).
  8. 8. The production equipment of the weft knitting cowhide velvet fabric is characterized in that a cleaning roller (411) is rotatably arranged on the rotating frame (41), the cleaning roller (411) and the axis of the rotating ring (4) are distributed in parallel, bristles (4111) are arranged on the cleaning roller (411), and one end of each bristle (4111) is attached to one side of the grating plate (132).
  9. 9. The production equipment of the weft knitting cow leather fabric according to claim 8, wherein a sliding block (412) is slidably arranged on the rotating frame (41), the sliding block (412) slides along the direction towards or away from one side of the grating plate (132), the cleaning roller (411) is rotationally connected with the sliding block (412), a sliding spring (413) is arranged on the rotating frame (41), and one end of the sliding spring (413) is connected with one side of the sliding block (412).
  10. 10. A process for the production of weft-knitted kraft velvet fabric using the apparatus according to claims 1 to 9, comprising the following specific steps: S1, taking coffee carbon fibers and base yarns as yarn raw materials, conveying the raw materials through a blowing channel between a blowing cover (12) and a dust hood (13) of a frame (11), and intermittently rotating an elastic plate (21) to push the yarns so as to remove impurities such as floating hair on the yarns; S2, performing weft knitting on the cleaned yarns through a circular knitting machine body (1), and controlling the density and knitting tension of knitting needles to form basic grey cloth; s3, washing, preshrinking and sanding the grey cloth to form uniform suede on the surface of the fabric; S4, warp setting and soft finishing to obtain the finished fabric of the weft knitting cowhide velvet.

Description

Production process and production equipment of weft knitting cowhide velvet fabric Technical Field The application relates to the field of production equipment of weft-knitted fabrics, in particular to a production process and production equipment of weft-knitted cowhide velvet fabrics. Background The knitted weft-knitted cowhide velvet fabric has increasingly wide application scenes due to comfortable touch feeling and good practicability. The coffee carbon fiber is used as a functional fiber, and can be applied to the preparation of weft knitted cowhide suede fabric, so that the fabric can be endowed with additional functions of antibiosis, warmth retention and the like, and the added value of the product is improved. The circular knitting machine is core equipment for producing the fabric, and mainly comprises seven mechanisms of a frame, a yarn feeding mechanism and the like, and yarn is conveyed to a needle cylinder through a yarn feeding nozzle and then is knitted by a knitting needle. However, in the production process, yarn wool and dust are easy to adhere to the surface of the yarn containing the coffee carbon fiber, the phenomenon of needle blocking is easy to be caused during knitting, and the fabric is defective, and the existing cleaning mode is that a fan is arranged on a frame, so that only the yarn wool and the dust can be blown away, effective collection cannot be realized, the yarn wool and the dust are easy to adhere to the yarn and the fabric again, the cleaning effect is poor, and the production quality and the efficiency of the knitted weft-knitted cowhide velvet fabric are seriously affected. Disclosure of Invention The application provides a production process and production equipment of a weft knitting cowhide velvet fabric, which aims to solve the problem that the existing blowing mode can not effectively clean yarns. The application provides a production process and production equipment of a knitted weft-knitted cowhide velvet fabric, which adopts the following technical scheme: The utility model provides a knitting weft knitting cowhide fine hair surface fabric production facility, includes the circular knitting machine body, be provided with the frame on the circular knitting machine body, just be located in the frame circular knitting machine body upside is provided with and blows cover and suction hood, the cover of blowing with the suction hood all is annular and coaxial distribution, the suction hood sets up the cover outside of blowing and is connected with outside dust extraction, the cover of blowing is connected with outside blast extraction, the suction hood with form the passageway of blowing that supplies the yarn to pass between the cover of blowing, just be located in the frame the passageway one side of blowing is provided with elasticity and beats the piece, elasticity is beaten the piece and is used for beating the yarn. Through adopting above-mentioned technical scheme, annular blast cap and suction hood form the passageway of blowing of encircleing, and multichannel yarn is carried through the passageway of blowing, and the blast cap blows off yarn hair on the yarn, dust blow off, and the synchronous negative pressure that produces of suction hood in the outside is with the impurity of blowing off is absorbed away, and the yarn is knocked to elasticity knocking piece simultaneously, makes adhesion inseparable yarn hair, dust shake, further promotes the cleaning performance, promotes knitting weft knitting's production quality and efficiency. Optionally, the suction hood is higher than the cover of blowing, the elasticity is knocked the piece and is set up on the cover of blowing and be located one side of suction hood, the elasticity is knocked the piece and is provided with a plurality of and follows the circumferencial direction interval evenly distributed of cover of blowing. Through adopting above-mentioned technical scheme, a plurality of elasticity are knocked along circumference evenly distributed, strike the clearance to multichannel yarn in the passageway of blowing simultaneously, ensure that the cleaning effect is even unanimous, and the suction hood forms ascending negative pressure adsorption area, with the yarn Mao Xizou clearance of elasticity department of knocking, reduce impurity and fly downwards, promote adsorption efficiency. Optionally, the elasticity is knocked the piece and is included elastic plate and mounting box, the mounting box sets up the cover upside of blowing, the elastic plate is rotated and is installed mounting box department and be located the passageway upside of blowing, the one end of elastic plate with the mounting box rotates to be connected, elastic plate one side is provided with the arc bellying that is used for contacting with the yarn, be provided with on the mounting box and be used for promoting elastic plate pivoted driving piece. Through adopting above-mentioned technical scheme, the driving piece promotes the