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CN-122013333-A - Polylactic acid fiber spinning equipment

CN122013333ACN 122013333 ACN122013333 ACN 122013333ACN-122013333-A

Abstract

The invention relates to the technical field of spinning processes and discloses polylactic acid fiber spinning equipment, which comprises an extrusion box, wherein a cooling box is arranged on one side of the extrusion box, an oil coating box is arranged on one side of the cooling box, which is far away from the extrusion box, an oil storage chamber is fixedly arranged above the inside of the oil coating box, a feeding pipe is fixedly communicated with the upper part of the oil storage chamber, a stirring component for uniformly stirring an oil agent is arranged inside the oil storage chamber, an oil coating component is arranged below the oil storage chamber, the oil coating component comprises an oleophilic sponge capable of being extruded to deform, a circular inner groove is formed in the center of the inner wall of the oleophilic sponge, and when the oleophilic sponge is extruded, the oil agent uniformly permeates out from all directions of the inner groove, so that the oil agent can wrap fibers in all directions, and the problem that partial oil coating is insufficient or excessive possibly caused by a traditional oil coating mode is avoided, and each part of the surface of the fiber can be uniformly coated with the oil agent is ensured.

Inventors

  • GUO FENG
  • GUO ZHONGCHENG

Assignees

  • 无锡恒隆纺织品有限公司

Dates

Publication Date
20260512
Application Date
20260319

Claims (10)

  1. 1. A polylactic acid fiber spinning device comprises an extrusion box and is characterized in that one side of the extrusion box is provided with a cooling box, an outlet end of the extrusion box is fixedly connected with one side of the cooling box, a forming die is arranged in the cooling box in a penetrating mode, a condensing controller is fixedly installed above the cooling box, an oil coating box is arranged on one side, far away from the extrusion box, of the cooling box, an oil storage chamber is fixedly installed above the oil coating box, a feeding pipe is fixedly communicated above the oil storage chamber, an agitating assembly for uniformly agitating an oiling agent is arranged inside the oil storage chamber, an oiling assembly is arranged below the oil storage chamber, the oiling assembly comprises an oleophilic sponge capable of being deformed by extrusion, a circular inner groove is formed in the center of the inner wall of the oleophilic sponge, an opening and closing assembly is arranged between the oil storage chamber and the oleophilic sponge, and the opening and closing assembly is used for controlling a channel between the oil storage chamber and the oleophilic sponge.
  2. 2. The polylactic acid fiber spinning device according to claim 1, wherein the stirring assembly comprises a stirring rod, the stirring rod is rotatably connected to the inner wall of the oil storage chamber, a plurality of stirring blades are uniformly and fixedly connected to the outer wall of the stirring rod, the stirring blades are positioned in the oil storage chamber, a servo motor is fixedly arranged outside the oil coating tank, and an output shaft of the servo motor is fixedly connected with one end of the stirring blades.
  3. 3. The polylactic acid fiber spinning device according to claim 2, wherein the opening and closing assembly comprises two isolation plates, the outer walls of the isolation plates are respectively connected with the inner wall of the bottom of the oil storage chamber in a sliding mode, the side walls of the isolation plates are connected with the side walls of the oil coating tank in a sliding mode, the two isolation plates are staggered up and down, and a squeezing and pushing assembly for driving the isolation plates to move close to each other is arranged above each isolation plate.
  4. 4. The polylactic acid fiber spinning device according to claim 3, wherein the extrusion assembly comprises two rotating rods, the rotating rods are rotationally connected with the inner wall of the oiling box, the outer walls of the rotating rods are symmetrically and fixedly connected with rotary pushing plates, one end of each stirring rod is provided with a gear transmission assembly, the gear transmission assembly can be used for simultaneously driving the two rotary pushing plates to simultaneously rotate downwards, and one side of each rotary pushing plate can be contacted with one end of the isolation plate when the rotary pushing plate rotates downwards.
  5. 5. The polylactic acid fiber spinning device according to claim 4, wherein the outer walls of one ends of the two rotating rods are fixedly connected with a first gear and a second gear respectively, the outer walls of the stirring rods are fixedly connected with an inner ring arc toothed plate and an outer ring arc toothed plate respectively, teeth of the inner ring arc toothed plate can only be meshed with teeth of the first gear, and teeth of the outer ring arc toothed plate can only be meshed with teeth of the second gear.
  6. 6. The polylactic acid fiber spinning device according to claim 5, wherein torsion springs are fixedly connected to the bottoms of the rotary push plates, one ends of the torsion springs, which are far away from the rotary push plates, are fixedly connected to one side of the oil storage chamber, and elastic components are arranged between the isolation plates and the inner wall of the oil storage chamber.
  7. 7. The polylactic acid fiber spinning device according to claim 6, wherein the oiling component further comprises two extrusion plates, the extrusion plates are respectively attached to two sides of the oleophilic sponge, the extrusion plates are respectively connected with the bottom of the oiling box in a sliding mode, a plurality of extrusion pushing balls are fixedly connected to the lower portions of the isolation plates, and the extrusion pushing balls are respectively located on the other sides of the extrusion plates.
  8. 8. The polylactic acid fiber spinning device according to claim 7, wherein a hollow steel tube is fixedly arranged in the circular inner groove of the oleophylic sponge, and a plurality of meshes are uniformly formed on the surface of the hollow steel tube.
  9. 9. The polylactic acid fiber spinning device according to claim 8, wherein a plurality of installation seats are symmetrically and fixedly connected to the bottom of the oil coating tank, return springs are fixedly connected to one sides of the installation seats, and one ends of the return springs, which are far away from the installation seats, are fixedly connected to one side of the extrusion plate.
  10. 10. The polylactic acid fiber spinning device according to claim 9, wherein the top of the extrusion box is fixedly communicated with a feeding hopper, the inner wall of the extrusion box is symmetrically and rotatably connected with a main rotating shaft, the outer walls of the main rotating shafts are fixedly connected with extrusion screws, the outer walls of one ends of the main rotating shafts are fixedly connected with output gears, teeth of the two output gears are meshed with each other, the outer wall of the extrusion box is fixedly provided with a driving motor, an output shaft of the driving motor is fixedly connected with one end of one main rotating shaft, and the outlet end of the extrusion box is fixedly connected with a discharging die.

Description

Polylactic acid fiber spinning equipment Technical Field The invention belongs to the technical field of spinning processes, and particularly relates to polylactic acid fiber spinning equipment. Background The polylactic acid fiber is prepared by fermenting starch-containing agricultural products such as corn, wheat, beet and the like to generate lactic acid, and then carrying out polycondensation and melt spinning, is a synthetic fiber which is used as a raw material and can be planted and planted easily, waste can be naturally degraded in the natural world, can be decomposed into carbon dioxide and water under the action of microorganisms in soil or seawater, does not emit toxic gas during combustion, does not cause pollution, and is an ecological fiber capable of sustainable development. The polylactic acid fiber spinning equipment is a key device specially used for processing polylactic acid raw materials into fibers, and is generally composed of a feeding device, an extruding device, a discharging forming device and the like, wherein the polylactic acid raw materials in a molten state are firstly added into an extruding cylinder, then are extruded and pushed to a die to be formed into fibers through a screw rod, then enter a cooling device, rapidly cool and solidify, finally the polylactic acid fibers with stable performance and accordance with production standards are formed, and the cooled qualified polylactic acid fibers are orderly wound through a winding device to form orderly fiber rolls, so that the polylactic acid fiber spinning equipment is prepared for subsequent deep processing or direct application. The oiling operation is needed after the polylactic acid fiber is cooled and molded, namely, the oiling agent is coated on the surface of the fiber, a layer of protective film can be formed on the surface of the fiber by the oiling agent, so that the adhesion of impurities such as dust and the like is effectively prevented, and the fiber is kept clean. In the spinning oiling step of polylactic acid fibers in the prior art, oiling operation is often carried out on the surfaces of the fibers by using a nozzle structure, the nozzle structure can enable the oiling agent to be sprayed unevenly, excessive oiling agent in partial areas causes waste, the oiling agent in partial areas is insufficient, and therefore the consistency of oiling agent coverage on all parts of the surfaces of the fibers can be difficult to ensure, and the performances of softness, smoothness, antistatic performance and the like of the fibers are affected. To this end, the present invention provides a polylactic acid fiber spinning apparatus. Disclosure of Invention In order to overcome the defects of the prior art, at least one technical problem proposed in the background art is solved. The technical scheme includes that the polylactic acid fiber spinning equipment comprises an extrusion box, wherein one side of the extrusion box is provided with a cooling box, an outlet end of the extrusion box is fixedly connected with one side of the cooling box, a forming die is arranged in the cooling box in a penetrating mode, a condensing controller is fixedly arranged above the cooling box, an oil coating tank is arranged on one side, away from the extrusion box, of the cooling box, an oil storage cavity is fixedly arranged above the inner side of the oil coating tank, a feeding pipe is fixedly communicated with the upper side of the oil storage cavity, a stirring assembly for uniformly stirring an oil agent is arranged inside the oil storage cavity, an oiling assembly is arranged below the oil storage cavity, the oiling assembly comprises an oleophilic sponge capable of being extruded to deform, a circular inner groove is formed in the center of the inner wall of the oleophilic sponge, and an opening and closing assembly is arranged between the oil storage cavity and the oleophilic sponge and used for controlling to open or close a channel between the oil storage cavity and the oleophilic sponge. Preferably, the stirring assembly comprises a stirring rod, the stirring rod is rotationally connected to the inner wall of the oil storage cavity, the outer wall of the stirring rod is uniformly and fixedly connected with a plurality of stirring blades, the stirring blades are located in the oil storage cavity, a servo motor is fixedly mounted outside the oil coating tank, and an output shaft of the servo motor is fixedly connected with one end of the stirring blades. Preferably, the opening and closing assembly comprises two isolation plates, the outer walls of the isolation plates are respectively connected with the inner wall of the bottom of the oil storage cavity in a sliding mode, the side walls of the isolation plates are connected with the side walls of the oil coating tank in a sliding mode, the two isolation plates are in an up-down staggered mode, and the extrusion assembly used for driving the isolation plates to move close to ea