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CN-118957822-B - Cotton sliver breakpoint butt joint device and butt joint method of cotton spinning drawing frame

CN118957822BCN 118957822 BCN118957822 BCN 118957822BCN-118957822-B

Abstract

The invention provides a cotton sliver breakpoint butt joint device and a cotton sliver breakpoint butt joint method of a cotton spinning drawing frame, wherein the cotton sliver breakpoint butt joint device comprises a frame of the drawing frame, a plurality of cotton sliver conveying rollers are rotatably connected to two sides of the frame, cotton conveying channels are fixedly arranged at the bottoms of the frame and correspond to the positions of the cotton sliver conveying rollers, pulling blocks capable of moving in opposite directions are arranged in the upper end and the lower end of each cotton conveying channel, cotton guide holes for a cotton sliver to pass through are formed in each pulling block, the positions of the upper cotton guide hole and the lower cotton guide hole are arranged in a staggered mode, mounting covers are fixedly arranged on two sides of the middle of each cotton conveying channel, cover openings of the mounting covers are communicated with the cotton conveying channels, clamping blocks capable of moving in opposite directions are arranged in the mounting covers, rubbing plates capable of moving in opposite directions are arranged on opposite faces of the pair of the clamping blocks, and clamping assemblies for clamping the cotton sliver in the cotton guide holes are arranged in the pulling blocks. The device can be used for completing the breakpoint butt joint process in a quick and corresponding automatic mode after disconnection is detected.

Inventors

  • Zheng Zunyi
  • GUAN WEIDONG

Assignees

  • 安徽顺源智纺有限公司

Dates

Publication Date
20260512
Application Date
20240702

Claims (8)

  1. 1. The cotton sliver breakpoint butt joint device of the cotton spinning drawing frame comprises a frame (1) of the drawing frame, a plurality of cotton sliver conveying rollers (2) are rotatably connected to two sides of the frame (1), and the cotton sliver drawing frame is characterized in that cotton conveying channels (3) are fixedly arranged at positions of bottoms of the frame (1) corresponding to the cotton sliver conveying rollers (2), a pair of rubbing blocks (6) capable of moving in opposite directions are arranged in the upper end and the lower end of each cotton conveying channel (3), cotton guide holes (7) for cotton slivers to pass through are formed in each of the rubbing blocks (6), the positions of the upper cotton guide holes (7) and the lower cotton guide holes are staggered, mounting covers (4) are fixedly arranged on two sides of the middle of each cotton conveying channel (3), cover openings of the mounting covers (4) are communicated with the cotton conveying channels (3), clamping blocks (16) capable of moving in opposite directions are arranged on the two sides of each mounting cover (4), rubbing plates (18) capable of moving in opposite directions are arranged on opposite surfaces of the pair of the cotton conveying blocks (16), and infrared sensors (15) are arranged in the cotton guide holes (6) and are arranged on the left side and the cotton conveying channels (3; The side wall of the clamping block (16) corresponding to the washboard (18) is provided with a mounting groove (17), a sliding block (28) is elastically connected in the mounting groove (17) through a spring (27), the sliding block (28) is fixedly connected with the corresponding washboard (18), and the spring (27) is electrically connected with the controller; The surface of the washboard (18) is embedded with a plurality of vertical air blowing pipes (19), and the side wall of each air blowing pipe (19) is provided with a plurality of air blowing holes.
  2. 2. The cotton sliver breakpoint butt joint device of the cotton spinning drawing frame according to claim 1, wherein a bar-shaped groove (12) is formed in the rear side of the cotton conveying channel (3), a double-head threaded rod (11) is rotationally connected to the bar-shaped groove (12), a motor (22) capable of driving the double-head threaded rod (11) to rotate is fixedly arranged at the bottom of the cotton conveying channel (3), nuts (21) are connected to two ends of the double-head threaded rod (11) in a threaded mode, and the nuts (21) are fixedly connected with corresponding pulling blocks (6).
  3. 3. The cotton sliver breakpoint butt joint device of the cotton spinning drawing frame according to claim 1, wherein the clamping assembly comprises a groove (9) arranged on one side of the cotton guide hole (7), a folding air bag (10) is arranged in the groove (9), the telescopic end of the folding air bag (10) extends to a notch and is fixedly provided with a retaining plate (8), and the folding air bag (10) is externally connected with an air pump pipe and an air pump.
  4. 4. A sliver break point butt joint device of a cotton spinning drawing frame according to claim 3, characterized in that the side wall of the withstanding plate (8) is fixedly connected with a pair of sliding strips, and the sliding strips are slidingly connected with the inner wall of the groove (9).
  5. 5. The cotton sliver breakpoint butt joint device of the cotton spinning drawing frame according to claim 1, wherein a cylinder (14) is installed on the side wall of the installation cover (4), and the telescopic end of the cylinder (14) extends into the installation cover (4) and is fixedly connected with a corresponding clamping block (16).
  6. 6. The cotton sliver breakpoint butt joint device of the cotton spinning drawing frame according to claim 1, wherein a mounting opening (24) is formed in the upper left side and the lower right side of the cotton conveying channel (3), the mounting opening (24) is located between a corresponding infrared sensor (15) and a pulling block (6), a driving shaft (23) is mounted in the mounting opening (24), a plurality of scraping rods (20) are fixed on two sides of the driving shaft (23), a magnetic tip (25) is fixed at the tail end of each scraping rod (20), and electromagnets (26) matched with the magnetic tip (25) are mounted on the upper end and the lower end of each mounting opening (24).
  7. 7. The cotton sliver breakpoint butt joint device of the cotton spinning drawing frame according to claim 6, wherein cotton discharging channels (5) covering corresponding mounting holes (24) are fixedly mounted on two sides of the cotton conveying channel (3), and blowing pipes (13) capable of blowing air into the channels (5) are mounted on the tops of the cotton discharging channels (5).
  8. 8. A method for docking a sliver break point docking device based on a cotton spinning drawing frame according to any one of claims 1-7, characterized by comprising the following specific steps: s1, cotton sliver (29) is pulled out of a cotton barrel and passes through a cotton conveying channel (3) and then is conveyed through a corresponding cotton sliver conveying roller (2), and the cotton sliver (29) passes through an upper cotton guide hole (7) and a lower cotton guide hole (7); s2, when the cotton sliver (29) is disconnected in the cotton conveying channel (3), the cotton sliver (29) is pulled out to two ends of the cotton conveying channel (3) respectively by taking the disconnection as a starting point, in the pulling-out process, the infrared sensor (15) detects that the disconnection point passes, and the air pump tube rapidly inflates the folding air bag (10) so that the air pump tube expands to drive the retaining plate (8) to abut against the cotton sliver (29); s3, the driving shaft (23) drives a row of scraping rods (20) to rotate into the cotton conveying channel (3), and a row of magnetic tips (25) rotate to pass through the break points of the cotton strips (29) to scrape cotton wool at the break points, so that the butt joint area is increased; s4, starting a motor (22) to drive a double-head threaded rod (11) to rotate, driving a pair of pull blocks (6) to move oppositely through a nut (21) to pull the break point to the middle and enable the break point to be in a dislocation state, starting two-side air cylinders (14) to drive a pair of clamping blocks (16) to move oppositely, enabling a pair of rubbing plates (18) to clamp two break points, enabling the two break points to coincide, enabling the pair of rubbing plates (18) to move away from each other in the clamping state, and finishing rubbing of the break points to be completed; S5, after the stranding, air is blown to the stranding position through a plurality of vertical air blowing pipes (19) and a plurality of air blowing holes, and air is blown into the cotton sliver to blow the stranding position loose, so that the influence on the subsequent drawing quality is avoided.

Description

Cotton sliver breakpoint butt joint device and butt joint method of cotton spinning drawing frame Technical Field The invention relates to the technical field of cotton spinning drawing frames, in particular to a cotton sliver breakpoint butt joint device and a cotton sliver breakpoint butt joint method of a cotton spinning drawing frame. Background The drawing frame has the functions of improving the internal structure of the sliver, improving the uniformity of the length fragments, reducing the weight unevenness, enabling the fibers in the sliver to be straightened and parallel, reducing hooks, enabling the fineness to meet the specification, enabling the raw materials with different types or different qualities to be uniformly mixed, and achieving the specified mixing ratio. In the prior art, when the cotton sliver enters the drafting mechanism, the uneven part of the cotton sliver is often broken due to the pulling force, workers are required to watch a machine at present, and when the broken part is broken, the broken part is quickly and manually butted, so that the automatic degree is relatively troublesome and low. Disclosure of Invention Aiming at the problems, the invention provides a cotton sliver breakpoint butt joint device and a cotton sliver breakpoint butt joint method of a cotton spinning drawing frame, and the device can be used for completing a breakpoint butt joint process in a corresponding and automatic manner rapidly after disconnection is detected. In order to solve the problems, the invention adopts the following technical scheme: The cotton sliver breakpoint butt joint device comprises a frame of a drawing frame, a plurality of cotton sliver conveying rollers are rotatably connected to two sides of the frame, cotton conveying channels are fixedly arranged at the bottoms of the frame and correspond to the positions of the cotton sliver conveying rollers, pull blocks capable of moving in opposite directions are arranged at the upper end and the lower end of each cotton conveying channel, cotton guide holes for cotton slivers to pass through are formed in the pull blocks, the upper side and the lower side of each cotton guide hole are arranged in a staggered mode, mounting covers are fixedly arranged on two sides of the middle of each cotton conveying channel, a cover opening of each mounting cover is communicated with each cotton conveying channel, clamping blocks capable of moving in opposite directions are arranged on two sides of each mounting cover, rubbing plates capable of moving in opposite directions in the front-back direction are arranged on opposite faces of each clamping block, infrared sensors are arranged on the upper left side and the lower right side of each cotton conveying channel, and a controller electrically connected with each infrared sensor is arranged on each cotton conveying channel. Preferably, the rear side of cotton conveying passageway is equipped with the bar groove, the rotation is connected with the double-end threaded rod in the bar groove, the bottom fixed mounting of cotton conveying passageway has can drive double-end threaded rod pivoted motor, the equal threaded connection in both ends of double-end threaded rod has the nut, nut and corresponding pull block fixed connection. Preferably, the clamping assembly comprises a groove arranged on one side of the cotton guide hole, a folding air bag is arranged in the groove, the telescopic end of the folding air bag extends to the notch and is fixed with a retaining plate, and the folding air bag is externally connected with a pump air pipe and an air pump. Preferably, the side wall of the retaining plate is fixedly connected with a pair of sliding strips, and the sliding strips are in sliding connection with the inner wall of the groove. Preferably, a cylinder is mounted on the side wall of the mounting cover, and the telescopic end of the cylinder extends into the mounting cover and is fixedly connected with the corresponding clamping block. Preferably, the side wall of the clamping block corresponding to the washboard is provided with a mounting groove, a sliding block is elastically connected in the mounting groove through a spring, the sliding block is fixedly connected with the corresponding washboard, and the spring is electrically connected with the controller. Preferably, a plurality of vertical air blowing pipes are embedded on the surface of the washboard, and a plurality of air blowing holes are arranged on the side wall of the air blowing pipe. Preferably, the cotton conveying channel is provided with a mounting opening on the upper left side and the lower right side, the mounting opening is positioned between the corresponding infrared sensor and the pulling block, a driving shaft is mounted in the mounting opening, a plurality of scraping rods are fixed on two sides of the driving shaft, a magnetic tip is fixed at the tail end of each scraping rod, and electromagnets matched with the magne