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CN-122013399-A - Carbon fiber precursor high-pressure steam drafting machine based on draft multiple control

CN122013399ACN 122013399 ACN122013399 ACN 122013399ACN-122013399-A

Abstract

The invention discloses a carbon fiber precursor high-pressure steam drafting machine based on drafting multiple control, and relates to the technical field of carbon fiber processing. The invention comprises a drafting machine, wherein one side of the drafting machine is fixedly provided with three groups of drafting tanks, and the interiors of the three groups of drafting tanks are respectively provided with a drafting mechanism. According to the invention, after the sealing plate is separated from the surface of the draft tank through the electric telescopic rod, the precursor is fixed at the reserved hole, the pressure at one end of the driving rod is increased through the air cylinder, so that the driving rod drives the second slider to horizontally move, the precursor is fixed through the second slider, after the sealing plate is restored to the original position through the electric telescopic rod, the other end of the precursor is fixed in the draft tank, and the mechanism is arranged, so that the problem that the draft multiple cannot be regulated when the carbon fiber precursor is drafted is effectively avoided, the effect of meeting different processing requirements can be achieved, the adaptability of the draft machine is improved, the debugging difficulty is reduced, the tension is stable when the precursor is drafted, and the precursor is prevented from breaking.

Inventors

  • REN CHUNSHENG
  • SONG RUOYU
  • PU JUNCHEN
  • Lan si

Assignees

  • 江苏可立特工程设计研究有限公司

Dates

Publication Date
20260512
Application Date
20260406

Claims (9)

  1. 1. The utility model provides a carbon fiber precursor high pressure steam draft machine based on draft multiple control, includes draft machine (1), its characterized in that, one side fixed mounting of draft machine (1) has three group's draft tank (31), three group the inside of draft tank (31) all is provided with draft mechanism (3), including draft board (311), stopper (39), slide bar (38), cushion (37), servo motor one (36), spring one (35), regulation pole two (33), regulation pole one (32), regulating wheel (312), servo motor two (313) and closing plate (25), closing plate (25) laminating with draft tank (31), closing plate (25) and servo motor one (36) fixed connection, the output shaft of servo motor one (36) and draft board (311) fixed connection, the one end and the draft board (311) fixed connection of spring one (35), the other end and cushion (37) fixed connection of spring one (35), cushion (37) and draft board (311) sliding connection, slide bar (37) and slide bar (38) fixed connection, slide bar (38) and slide bar (38) fixed connection, the sliding rod (38) is fixedly connected with the adjusting rod II (33), a servo motor II (313) is fixedly arranged in the drafting plate (311), an output shaft of the servo motor II (313) is fixedly connected with the adjusting base (314), the adjusting base (314) is fixedly connected with the adjusting wheel (312), the adjusting wheel (312) is attached to the adjusting rod I (32), and the adjusting wheel (312) is attached to the adjusting rod II (33).
  2. 2. The carbon fiber precursor high-pressure steam drafting machine based on draft multiple control according to claim 1, wherein a plurality of groups of preformed holes (34) are formed in the surface of the second adjusting rod (33), a driving rod (315) is slidably connected to the inside of the second adjusting rod (33), a plurality of groups of second sliding blocks (318) are fixedly connected to one side of the driving rod (315), clamping blocks (316) are fixedly connected to one side of the second sliding blocks (318), a second spring (317) is fixedly connected to the other side of the second sliding blocks (318), the second spring (317) is fixedly connected with the second adjusting rod (33), an air cylinder (310) is fixedly installed on one side of the drafting plate (311), and the air cylinder (310) is communicated with the driving rod (315).
  3. 3. The carbon fiber precursor high-pressure steam drafting machine based on the draft multiple control according to claim 1, wherein a fixed block (2) is fixedly connected to one side of the drafting machine (1), a driving block (22) is attached to the upper surface of the fixed block (2), a connecting block (27) is fixedly connected to the lower surface of the driving block (22), a receiving block (26) is fixedly connected to one side of the connecting block (27), and the receiving block (26) is fixedly connected with a sealing plate (25).
  4. 4. A carbon fiber precursor high-pressure steam drafting machine based on draft multiple control according to claim 3, wherein a baffle plate (24) is fixedly connected to the upper surface of the fixed block (2), an electric telescopic rod (23) is fixedly arranged on one side of the baffle plate (24), the output end of the electric telescopic rod (23) is fixedly connected with a driving block (22), a first sliding block (21) is fixedly connected to the lower surface of the driving block (22), and the first sliding block (21) is in sliding connection with the fixed block (2).
  5. 5. The carbon fiber precursor high-pressure steam drafting machine based on the draft multiple control according to claim 1, wherein one end of the drafting tank (31) is fixedly connected with a constant pressure pipe (47), an exhaust port (43) is fixedly arranged on the surface of the constant pressure pipe (47), one side of the constant pressure pipe (47) is rotatably connected with a knob (41), and the knob (41) is fixedly connected with a screw (42).
  6. 6. The carbon fiber precursor high-pressure steam drafting machine based on the draft multiple control according to claim 5, wherein a pressure regulating mechanism (4) is arranged in the constant pressure pipe (47), the pressure regulating mechanism (4) comprises a sealing plug (46), a spring III (45), a sliding block III (44) and a screw (42), one end of the spring III (45) is fixedly connected with the sealing plug (46), the other end of the spring III (45) is fixedly connected with the sliding block III (44), and the sliding block III (44) is in threaded connection with the screw (42).
  7. 7. The carbon fiber precursor high-pressure steam drafting machine based on the drafting multiple control according to claim 1, wherein a fixing plate (11) is fixedly connected to one side of the drafting machine (1), a high-pressure steam machine (12) is attached to the upper surface of the fixing plate (11), the high-pressure steam machine (12) is fixedly connected with the drafting machine (1), and the high-pressure steam machine (12) is communicated with a drafting tank (31).
  8. 8. The high-pressure steam drafting machine for carbon fiber precursors based on the drafting multiple control according to claim 7, wherein two groups of guard plates (13) are attached to the upper surface of the fixed plate (11), and the two groups of guard plates (13) are attached to the high-pressure steam machine (12).
  9. 9. The high-pressure steam drafting machine for carbon fiber precursors based on the drafting multiple control according to claim 8, wherein two groups of bolts (14) are inserted into the guard plate (13), and the two groups of bolts (14) are in threaded connection with the fixed plate (11).

Description

Carbon fiber precursor high-pressure steam drafting machine based on draft multiple control Technical Field The invention relates to the technical field of carbon fiber processing, in particular to a carbon fiber precursor high-pressure steam drafting machine based on drafting multiple control. Background The high-pressure steam drafting machine for carbon fiber precursor is one of the key devices in the production process of carbon fiber, and has the main functions of drafting the carbon fiber precursor by high-temperature and high-pressure steam to improve the strength and modulus of the fiber, the control of the draft multiple is an important component in the technical design of the device, which directly influences the mechanical property and microstructure uniformity of the final product, and in the drafting process, the proper draft multiple can promote the orientation and arrangement of polymer chains so as to improve the overall performance of the carbon fiber, however, too high or too low draft ratio can cause fiber defects, such as broken filaments, uneven strength and the like, and the carbon fiber is an inorganic polymer fiber with carbon content of more than 90 percent, has the characteristics of high temperature resistance, friction resistance, electric conduction, heat conduction, corrosion resistance and the like of common carbon materials, has soft processability, light weight, high specific strength and specific modulus, is a new generation of reinforcing material, and is widely applied to sports equipment, textile, chemical machinery, medicine, military and numerous advanced technological fields. In China patent (publication number: CN 105970358B), a high-pressure steam drafting machine for carbon fiber precursors is disclosed. The high-pressure steam drafting machine for the carbon fiber precursor has the advantages that the low-pressure steam air inlet pipeline is arranged at the bottom in the drafting tank body, the porous distribution plate is arranged above the low-pressure steam air inlet pipeline, the labyrinth seal box body is arranged at the inlet end and the outlet end of the drafting tank body respectively, the upper labyrinth seal structure and the lower labyrinth seal structure are arranged in the labyrinth seal box body, gaps are arranged between the upper labyrinth seal structure and the lower labyrinth seal structure to form a filament bundle running channel, the high-pressure steam drafting machine for the carbon fiber precursor has high drafting multiplying power, few broken filaments and high filament passing rate, and has good pressure maintaining property, the orientation degree and the crystallinity of the precursor can be effectively improved, the high-pressure steam drafting machine for the carbon fiber precursor is key equipment for preparing the precursor for high-performance carbon fiber, but the high-pressure steam drafting machine for the carbon fiber precursor cannot realize the effective regulation of the filament drawing multiplying power in the process of actual use, the problem of breakage caused by insufficient raw material strength and overlarge filament drawing multiplying power cannot meet the requirements of different precursor filaments, and the functionality of the device cannot be ensured. Disclosure of Invention The invention aims to solve the problems, and provides a carbon fiber precursor high-pressure steam drafting machine based on drafting multiple control. The invention adopts the following technical scheme for realizing the purposes: The utility model provides a carbon fiber precursor high pressure steam draft machine based on draft multiple control, includes the draft machine, one side fixed mounting of draft machine has three group's draft jar, three group the inside of draft jar all is provided with draft mechanism, including draft board, stopper, slide bar, cushion, servo motor one, spring one, regulation pole two, regulation pole one, regulating wheel, servo motor two and closing plate in the draft mechanism, closing plate and draft jar laminating, closing plate and servo motor one fixed connection, servo motor one's output shaft and draft board fixed connection, spring one's one end and draft board fixed connection, spring one's the other end and cushion fixed connection, cushion and draft board sliding connection, cushion and slide bar fixed connection, slide bar and stopper fixed connection, slide bar and regulation pole one fixed connection, slide bar and regulation pole two fixed connection, the inside fixed mounting of draft board has servo motor two, servo motor two's output shaft and regulation base fixed connection, regulating wheel and regulating wheel are laminated with regulating rod one. Further, a plurality of groups of reserved holes are formed in the surface of the second adjusting rod, a driving rod is connected to the inside of the second adjusting rod in a sliding mode, a plurality of groups of second sliding blocks