CN114808163A - Drying and stretching device for composite polyethylene fiber production - Google Patents

Abstract

The invention belongs to the technical field of fiber, in particular to a drying and stretching device for composite polyethylene fiber production, which aims at solving the problems that a plurality of existing fibers cannot be stretched, the control precision of stretching amplitude is low, and dust easily pollutes the fibers, and provides the following scheme that the drying and stretching device comprises a stretching box and an infrared heater bolted in the stretching box, wherein the side surface in the stretching box is slidably connected with a connecting frame, sliding holes on two sides of the surface of the connecting frame are both slidably connected with a lifting rod, one end of the lifting rod is bolted with a stretching gear, the fibers are stretched by utilizing the movement of a stretching roller in a staggered mode, the fibers which cannot be stretched are reduced to less than one fifth of the original fibers, a limiting mechanism limits each section of the fibers in the fiber stretching process, so that the stretching roller can respectively stretch each section of the fibers, the stretching force of each section is consistent, and one section of the fibers does not need to be stretched excessively, the stretching accuracy is improved.

Description

Drying and stretching device for composite polyethylene fiber production

Technical Field

The invention relates to the technical field of fibers, in particular to a drying and stretching device for composite polyethylene fiber production.

Background

The patent application with the application number of CN201811324368.8 discloses a stretching device for producing three-dimensional crimped hollow short fibers, which is simple in structure, can improve the flexibility of the three-dimensional crimped hollow short fibers by adopting the stretching device, enables the texture to be uniform, reduces the phenomena of 'broken filaments', 'hard-end filaments', and the like, improves the quality and the service life of the whole three-dimensional crimped hollow short fiber finished product, and is convenient to widely popularize and use.

However, the stretching device for producing the three-dimensional crimped hollow staple fibers also has some problems, for example, the fiber is stretched through the speed difference between the unwinding roller and the winding wheel, the unwinding roller discharges the fiber at a low speed, the winding roller winds the fiber at a high speed, the winding roller can generate stretching force to the fiber in the process, in this case, a large amount of fiber needing to be stretched is wound by the winding roller in advance, so that a part of the fiber cannot be stretched, and the whole section of the fiber is stretched, when a certain node of the fiber is softer or thinner, the fiber at the certain node is more easily stretched than the fiber at other places, so that the fiber at the certain position is stretched first in the stretching process, the stretched fiber is different in thickness and easy to break, the stretching amplitude is difficult to control, the diameter of the fiber is reduced as the unwinding roller discharges the fiber, and the winding roller winds the fiber, its diameter can grow, and these slight change equipment are difficult to perceive, but the diameter change at fibre drawing in-process both sides can superpose, and the fiber length that unreels the roller per second and emit can be shorter and shorter more and more, and the fibre of wind-up roll per second rolling can be longer and longer more, leads to the fibre to stretch bigger and bigger, influences the tensile quality of fibre, and the inside air of equipment simultaneously mixes a small amount of dust easily, and these dusts glue on the fibre easily, pollutes the fibre.

Disclosure of Invention

Based on the technical problems that a lot of fibers cannot be stretched, the control precision of the stretching amplitude is low, and dust easily pollutes the fibers in the prior art, the invention provides a drying and stretching device for producing composite polyethylene fibers.

The invention provides a drying and stretching device for composite polyethylene fiber production, which comprises a stretching box and an infrared heater bolted in the stretching box, wherein the side surface in the stretching box is slidably connected with a connecting frame, sliding holes on two sides of the surface of the connecting frame are both slidably connected with a lifting rod, one end of the lifting rod is bolted with a stretching gear, two sides of the top end in the stretching box are both rotatably connected with a worm wheel disc, the surface of the worm wheel disc is bolted with a transmission rod, a supporting frame slidably connected with the two transmission rods is arranged in the stretching box, stretching frames are both bolted at the top of the connecting frame and the bottom of the supporting frame, two ends of the inner side of the stretching frame are both rotatably connected with stretching rollers, the bottom of the stretching box is bolted with a connecting frame, the right side of the connecting frame is bolted with a power mechanism, and the top end of the power mechanism is hinged with the transmission mechanism, the top of link and the bottom of support frame all have bolted connection stop gear, power unit can drive tensile gear through drive mechanism and rotate, tensile gear can drive the link through lifting the pole and rotate, drive mechanism can drive the transfer line through the worm wheel dish and rotate, the transfer line can drive the support frame and remove, link and support frame can drive the drawing roller through two drawing framves and remove, the removal that utilizes the drawing roller is crisscross to be stretched the fibre, the fibre that can't be stretched reduces to below one fifth originally, stop gear is spacing to fibrous each section at the drawing fibre in-process, let the drawing roller can stretch respectively to fibrous each section, and the power of each section tensile is unanimous, need not to worry that a certain section is stretched excessively, promote tensile accuracy nature.

Preferably, power unit includes gear motor, single worm, side tooth gear and bull stick, gear motor's left side and the right side bolt of linking frame, gear motor's output and the bottom bolt of single worm, the surface of single worm meshes with the ring gear on side tooth gear right side, the left axle center department of side tooth gear and the right-hand member bolt of bull stick, the surface of bull stick rotates with the hole on linking frame right side and cup joints, switches on gear motor's power, and gear motor can drive single worm and rotate, and single worm adopts the worm structure, and the tooth meshing of worm structure and side tooth gear right side ring gear can drive side tooth gear and rotate, and side tooth gear can drive the bull stick and rotate, and the bull stick passes through the bearing and links to rotate the setting with the linking frame, lets the bull stick can rotate steadily.

Preferably, the power mechanism further comprises a main helical gear, a secondary helical gear, a screw rod, a moving block and a short rod, the left end of the rotating rod extends into the connecting frame and is in bolted connection with the axis on the right side of the main helical gear, teeth on the rear side of the main helical gear are meshed with teeth on the surface of the secondary helical gear, the axis of the secondary helical gear is in bolted connection with the top end of the surface of the screw rod, the top end and the bottom end of the screw rod are rotatably sleeved with the inside of the connecting frame, the surface of the screw rod is in threaded connection with a screw hole of the moving block, the rear side of the moving block is in sliding connection with the inside of the connecting frame, the surface of the moving block is hinged with the bottom end of the short rod, the short rod is hinged with a transmission mechanism, the rotating rod can drive the main helical gear to rotate, both the main helical gear and the secondary helical gear are helical gears, the main helical gear is meshed with the secondary helical gear, and the main helical gear can drive the secondary helical gear to rotate, the vice skewed tooth gear can drive the screw rod and rotate, and the screw rod passes through the bearing and rotates the setting with the coupling frame, lets the screw rod can steady rotation, and the screw rod can utilize helicitic texture to drive the movable block and remove, and the movable block passes through the slide rail and slides the setting with the coupling frame, lets the movable block can steady reciprocating, avoids the movable block to be driven the skew by the screw rod, and the movable block can drive the quarter butt and remove, and the quarter butt can drive mechanism and rotate.

Preferably, the transmission mechanism comprises a transmission rod, a half gear, a pinion, a large bevel gear and a small bevel gear, the middle end of the transmission rod is hinged with the inside of the connecting frame, the right end of the transmission rod is hinged with the top end of the short rod, a bump at the left end of the transmission rod is in sliding connection with a sliding hole at the rear side of the half gear, the axis of the half gear is rotatably connected with the inside of the connecting frame, teeth at the bottom of the half gear are meshed with teeth at the top of the pinion, the rear side of the pinion is bolted with the surface of the large bevel gear, the axis of the large bevel gear is rotatably connected with the middle end inside the connecting frame, teeth at the top end of the surface of the large bevel gear are meshed with teeth at the rear side of the small bevel gear, the short rod can drive the transmission rod to rotate, the transmission rod is rotatably arranged with the connecting frame through a bearing, the half gear comprises a half gear and a sliding hole plate at the top of the half gear, the slide hole plate is connected with the conduction rod, the convex block at the left end of the conduction rod slides in the slide hole of the half gear and drives the half gear to rotate, the half gear can drive the pinion to rotate, the pinion can drive the large bevel gear to rotate, and the large bevel gear can drive the small bevel gear to rotate.

Preferably, the transmission mechanism further comprises a double worm, a large worm wheel, a hinged rod and a rack, the double worm is positioned at the rear sides of the connecting frame and the supporting frame, the axis of the top of the small bevel gear is bolted with the bottom end of the double worm, the top end and the bottom end of the surface of the double worm are rotatably sleeved with the inside of the stretching box, the number of the large worm wheel, the hinged rod and the rack is two, the teeth of the two large worm wheels are meshed with the bottom end of the surface of the double worm, the axis of the large worm wheel is rotatably connected with the inside of the stretching box, the surface of the large worm wheel is hinged with one end of the hinged rod, far away from the large worm wheel, is hinged with the surface of the rack, the bottom of the rack is slidably connected with a chute at the bottom of the stretching box, the teeth at the top of the rack are meshed with the teeth at the bottom of the stretching gear, and two sides of the top end of the surface of the double worm wheel are respectively meshed with the teeth of the two worm wheels, little bevel gear can drive the rotation of two worms, two worms can drive left big worm wheel anticlockwise rotation, left big worm wheel can drive left hinge bar and remove left, left hinge bar can drive left rack and slide left, the rack passes through the slide rail and slides the setting with tensile case, let the rack can be steady and control left and right, left rack can drive left tensile gear clockwise turning, two worms can drive the big worm wheel clockwise turning on right side, the big worm wheel on right side can drive the hinge bar on right side and remove right, the hinge bar on right side can drive the rack on right side and slide right, the rack on right side can drive the tensile gear anticlockwise rotation on right side, two worms can drive left worm wheel dish anticlockwise rotation, two worms can drive the worm wheel dish clockwise turning on right side.

Preferably, stop gear includes connecting box, spacing wheel, draw runner, connecting rod and draw runner pole, the inboard hole of connecting box and the surface sliding connection of draw runner, the one end that the connecting box was kept away from to the draw runner is connected with the axle center department rotation of spacing wheel, the one end that the draw runner is located the connecting box inside is articulated with the one end of connecting rod, the one end that the draw runner was kept away from to the connecting rod is articulated with the right-hand member of draw runner pole, the left end of draw runner pole is articulated with the inside left side of connecting box, and spacing wheel is driven by the stretching roller of bottom and is removed, and spacing wheel can drive the draw runner and remove, and the draw runner can drive the connecting rod and rotate, and the connecting rod can drive the draw runner pole and rotate.

Preferably, the limiting mechanism further comprises a movable gear, a rack, a buffer box and a rubber ball, wherein a convex block on the surface of the movable gear is connected with a sliding hole on the rear side of the sliding hole rod in a sliding manner, the axis of the movable gear is rotatably connected with the inside of the connecting box, the rack is composed of a connecting strip with teeth and an extrusion plate at the right end of the connecting strip, the connecting strip is connected with the connecting box in a sliding manner through a sliding frame, the teeth at the top of the movable gear are meshed with the connecting strip of the rack, the extrusion plate of the rack is connected with the inside of the buffer box in a sliding manner, the right side of the buffer box is bolted with the right side of the inside of the connecting box, the rubber ball is filled in the buffer box, the rubber ball is positioned on the right side of the extrusion plate, the sliding hole of the sliding hole rod slides on the convex block of the movable gear and drives the movable gear to rotate, the movable gear can drive the rack to move, and the rack is limited by sliding through the sliding frame, let the rack can steady remove about, the rack can remove in the inside of buffer box right, and the rack can extrude the inside rubber ball of buffer box.

Preferably, the top end of the double worm is bolted with an active wheel, the internal transmission of the active wheel is connected with a transmission belt, the top of the stretching box is bolted with a support frame, the front side and the rear side inside the support frame are both rotatably connected with guide wheels, the front side and the rear side at the top of the transmission belt are respectively connected with the internal sliding of the two guide wheels, the transmission belt is in an L-shaped structure and is connected with the guide wheels, the internal transmission of the transmission belt is connected with a driven wheel, the axle center of the driven wheel is bolted with a rotating shaft, the two ends of the rotating shaft are both rotatably sleeved with the support frame, the left end of the surface of the rotating shaft is bolted with a main bevel gear, the teeth of the main bevel gear are meshed with an auxiliary bevel gear, the axle center at the top of the auxiliary bevel gear is bolted with a rotating rod, the double worm can drive the active wheel to rotate, the active wheel can drive the transmission belt to rotate, and the transmission belt can be guided by the two guide wheels, let the drive belt be connected with the follower, the guide wheel passes through the bearing and rotates the setting with the carriage, the follower can drive the pivot and rotate, the pivot passes through the bearing and rotates the setting with the carriage, let the pivot can steady rotation, the pivot can drive main bevel gear and rotate, main bevel gear and vice bevel gear are conical gear, let main bevel gear can with vice bevel gear meshing, make things convenient for main bevel gear to drive vice bevel gear and rotate, vice bevel gear can drive the dwang and rotate.

Preferably, the top of the supporting frame is bolted with a circulating pipe, the left end of the circulating pipe is communicated with a ventilation fan, the top end inside the stretching box is bolted with an air suction pipe, the left end of the air suction pipe penetrates through a hole on the left side of the stretching box and is communicated with an air inlet end of the ventilation fan, one end of the circulating pipe, far away from the ventilation fan, is communicated with the right side of a connecting frame, the inside of the circulating pipe is clamped with an electric heating net, the bottom of the stretching box is provided with ventilation holes, the connecting frame is communicated with the stretching box through the ventilation holes, the axis of the stretching gear is rotatably connected with the inside of the stretching box, two sides of the supporting frame are both in sliding connection with the inside of the stretching box, the power supply of the ventilation fan is switched on, the ventilation fan can suck air from the inside of the air suction pipe, the air suction pipe sucks air from the top of the stretching box through the hole on the bottom and then guides the air into the inside of the circulating pipe, air enters the circulating pipe and is filtered by the filtering disc, the filtered air continuously moves rightwards and then moves downwards, the air enters the connecting frame after being heated by the electric heating net, and the air enters the stretching box through the holes in the bottom of the stretching box, so that upward airflow is formed in the stretching box, and heat is driven to be uniformly distributed in the stretching box.

Preferably, the bottom end of the surface of the rotating rod is rotatably sleeved with a hole at the bottom of the circulating pipe, the top end of the rotating rod extends into the circulating pipe and is bolted with a large helical gear, teeth at the rear side of the large helical gear are meshed with a small helical gear, a connecting shaft is bolted at the axis of the left side of the small helical gear, a filtering disc is bolted at the left end of the connecting shaft, the surface of the filtering disc is rotatably sleeved with the inside of the circulating pipe, the hole at the bottom of the circulating pipe is communicated with a collecting bottle, the top end of the collecting bottle is in threaded connection with the hole at the bottom of the circulating pipe, two sides of the stretching box are both bolted with rolling motors, the output end of each rolling motor is clamped with a rolling roller, an opening at the front side of the stretching box is hinged with a sealing door, the rotating rod is rotatably arranged with the circulating pipe through a bearing, so that the rotating rod can stably rotate, and the rotating rod can drive the large helical gear to rotate, big skewed tooth gear and little skewed tooth gear are the skewed tooth gear, let big skewed tooth gear can with little skewed tooth gear engagement, let big skewed tooth gear can drive little skewed tooth gear revolve, little skewed tooth gear can drive the connecting axle and rotate, the connecting axle can drive and filter the disc and rotate, filter the disc and rotate the in-process fast and produce centrifugal force, will filter the inside that the dust impurity got off gets rid of into the collecting bottle.

The beneficial effects of the invention are:

1. the power mechanism can drive the stretching gear to rotate through the transmission mechanism, the stretching gear can drive the connecting frame to move through the lifting rod, the transmission mechanism can drive the transmission rod to rotate through the worm wheel disc, the transmission rod can drive the supporting frame to move, the connecting frame and the supporting frame can drive the stretching rollers to move through the two stretching frames, the fibers are stretched in a staggered mode through the movement of the stretching rollers, the fibers are stretched without the speed difference of two rolling motors, and the fibers which cannot be stretched are reduced to be less than one fifth of the original fibers;

2. the limiting mechanism limits each section of the fiber in the fiber stretching process, so that the stretching rollers can stretch each section of the fiber respectively, the stretching force of each section is consistent, the stretching of a certain section is not needed to be worried about, and the stretching accuracy is improved;

3. the air exchange fan can absorb air at the top end inside the stretching box by using the air suction pipe, then the air is heated by the electric heating net inside the circulating pipe and then is guided into the connecting frame and enters the bottom of the stretching box, so that the air flows upwards from the bottom of the stretching box, heat flows inside the stretching box, heat is prevented from being accumulated at one position, and uniform distribution of the heat is guaranteed;

4. the filter disc filters air in the air circulation process, so that the amount of dust in the stretching box is reduced, and the dust is prevented from polluting fibers;

5. the transmission mechanism can drive a transmission belt to rotate through a driving wheel, the transmission belt can drive a rotating shaft to rotate through a driven wheel, the rotating shaft can drive an auxiliary bevel gear to rotate through a main bevel gear, the auxiliary bevel gear can drive a large helical gear to rotate through a rotating rod, the large helical gear can drive a connecting shaft to rotate through a small helical gear, the connecting shaft can drive a filtering disc to rotate, centrifugal force is generated by the rapid rotation of the filtering disc, and dust filtered by the filtering disc is thrown into the collecting bottle through the centrifugal force;

use the crisscross tensile fibre of drawing roller, can accurate tensile fibre, guarantee tensile stability uses stop gear to carry on spacingly to tensile fibre, lets the fibre fall into the multistage, promotes tensile accuracy nature, utilizes the circulation of air to let heat evenly distributed to can filter the air, avoid the dust pollution fibre, can also collect the dust.

Drawings

Fig. 1 is a schematic perspective view of a drying and stretching device for producing a composite polyethylene fiber according to the present invention;

FIG. 2 is a schematic structural diagram of a composite polyethylene fiber drying and stretching device for vitamin production in front view;

fig. 3 is a schematic structural view of a power mechanism of the drying and stretching device for composite polyethylene fiber production according to the present invention;

FIG. 4 is a schematic structural view of a limiting mechanism of a drying and stretching device for producing composite polyethylene fibers according to the present invention;

FIG. 5 is a schematic view of the internal structure of a support frame of a drying and stretching device for producing composite polyethylene fibers according to the present invention;

FIG. 6 is a schematic structural view of a drawing frame of a drying and drawing device for producing composite polyethylene fibers according to the present invention;

FIG. 7 is a structural diagram of a right side view of a transmission belt of a drying and stretching device for producing composite polyethylene fibers according to the present invention;

fig. 8 is a schematic perspective view of a rack of a drying and stretching device for producing composite polyethylene fibers according to the present invention;

fig. 9 is a schematic perspective view of a side gear of a drying and stretching device for producing composite polyethylene fibers according to the present invention;

FIG. 10 is a schematic perspective view of a screw of a drying and stretching apparatus for producing a composite polyethylene fiber according to the present invention;

fig. 11 is a schematic perspective view of a transmission belt of a drying and stretching device for producing composite polyethylene fibers according to the present invention.

In the figure: 1. a stretching box; 2. an infrared heater; 3. stretching the gear; 4. lifting the rod; 5. a connecting frame; 6. a worm gear disc; 7. a transmission rod; 8. a support frame; 9. a stretching frame; 10. a stretching roller; 11. a connecting frame; 12. a support frame; 13. a driving wheel; 14. a transmission belt; 15. a guide wheel; 16. a driven wheel; 17. a rotating shaft; 18. a main bevel gear; 19. a secondary bevel gear; 20. rotating the rod; 21. a circulation pipe; 22. a ventilation fan; 23. an air intake duct; 24. an electrical heating grid; 25. a large helical gear; 26. a small helical gear; 27. a connecting shaft; 28. a filter disc; 29. a collection bottle; 30. a power mechanism; 301. a reduction motor; 302. a single worm; 303. a side gear; 304. a rotating rod; 305. a main helical gear; 306. a secondary helical gear; 307. a screw; 308. a moving block; 309. a short bar; 31. a transmission mechanism; 311. a conductive rod; 312. a half gear; 313. a pinion gear; 314. a large bevel gear; 315. a small bevel gear; 316. a double worm; 317. a large worm gear; 318. a hinged lever; 319. a rack; 32. a limiting mechanism; 321. a connecting box; 322. a limiting wheel; 323. a slide bar; 324. a connecting rod; 325. a slide hole rod; 326. a movable gear; 327. a rack; 328. a buffer box; 329. a rubber ball; 33. a scrolling motor; 34. a winding roller; 35. and (4) sealing the door.

Detailed Description

The present invention will be further illustrated with reference to the following specific examples.

Examples

Referring to fig. 1-11, this embodiment provides a drying and stretching device for composite polyethylene fiber production, which includes a stretching box 1 and an infrared heater 2 bolted inside the stretching box 1, the stretching box 1 has openings on both sides, the openings are rotatably connected with pulleys inside for connecting fibers and supporting the fibers, the infrared heater 2 is a commercially mature product, one of the infrared heater can be installed on both the front and rear sides inside the stretching box 1, the side inside the stretching box 1 is slidably connected with a connecting frame 5, the connecting frame 5 is slidably arranged with the stretching box 1 via a slide rail, so that the connecting frame 5 can move up and down stably, the connecting frame 5 is in an i-shaped structure, the slide holes on both sides of the surface of the connecting frame 5 are slidably connected with lifting rods 4, the slide holes on both sides of the surface of the connecting frame 5 are slidably connected, the left end of the left lifting rod 4 and the right end of the right lifting rod 4 are slidably connected with the two elongated slide holes of the connecting frame 5 via bumps, the lifting rod 4 is positioned on the front side of the connecting frame 5, the left end of the left lifting rod 4 and the right end of the right lifting rod 4 are both inclined upwards, one end of the lifting rod 4 is bolted with the stretching gear 3, one end of the lifting rod 4 far away from the connecting frame 5 is connected with the side surface of the stretching gear 3, the axis of the stretching gear 3 is rotatably connected with the inside of the stretching box 1, the stretching box 1 is rotatably arranged with the stretching gear 3 through a bracket and rotates through a bearing to reduce the rotating resistance of the stretching gear 3, both sides of the top end inside the stretching box 1 are rotatably connected with the worm wheel disc 6, the worm wheel disc 6 is positioned at the middle end inside the stretching box 1 and is mutually close to the worm wheel disc 6, the worm wheel disc 6 is rotatably arranged with the stretching box 1 through a bearing, the worm wheel disc 6 is connected with the top end inside the stretching box 1 through a bracket, the surface of the worm wheel disc 6 is bolted with the transmission rod 7, the surface of a worm wheel disc 6 is bolted with the rear side of a transmission rod 7 through bolts, the left end of the transmission rod 7 on the left side and the right end of the transmission rod 7 on the right side are both inclined downwards, a support frame 8 which is in sliding connection with the two transmission rods 7 is arranged in a stretching box 1, the support frame 8 is in the same style as the connection frame 5 and is also in an I-shaped structure, pulleys on the side surface of the stretching box 1 are positioned between the connection frame 5 and the support frame 8, two sides of the support frame 8 are both in sliding connection with the interior of the stretching box 1, the support frame 8 is in sliding arrangement with the stretching box 1 to enable the support frame 8 to stably move up and down, the connection frame 5 and the support frame 8 are horizontally corresponding, the top of the connection frame 5 and the bottom of the support frame 8 are both bolted with stretching frames 9, the total number of the stretching frames 9 on the top of the connection frame 5 is four, the total number of the stretching frames 9 on the bottom of the support frame 8 is five, the upper and the lower groups of stretching frames 9 are staggered, the stretching frames 9 on the bottom is positioned between the two stretching frames 9 on the top, the two ends of the inner side of the stretching frame 9 are both rotatably connected with stretching rollers 10, the stretching frame 9 is in a Y-shaped structure, two sides of the bottom end of the top stretching frame 9 are respectively rotatably connected with the axes of the two stretching rollers 10, two sides of the top end of the bottom stretching frame 9 are respectively rotatably connected with the axes of the two stretching rollers 10, the fiber is positioned between the upper stretching roller 10 and the lower stretching roller 10, the bottom of the stretching box 1 is bolted with a connecting frame 11, four corners of the bottom of the connecting frame 11 are all bolted with support legs for supporting the connecting frame 11, the right side of the connecting frame 11 is bolted with a power mechanism 30, the top end of the power mechanism 30 is hinged with a transmission mechanism 31, the transmission mechanism 31 is meshed with the stretching gear 3, the transmission mechanism 31 is meshed with the worm wheel disc 6, the power mechanism 30 can drive the transmission mechanism 31 to rotate, the transmission mechanism 31 can drive the stretching gear 3 to rotate, the transmission mechanism 31 can drive the worm wheel disc 6 to rotate, the top of the connecting frame 5 and the bottom of the supporting frame 8 are both bolted with a limiting mechanism 32, the total number of the limiting mechanisms 32 connected with the connecting frame 5 is five, the limiting mechanism 32 at the bottom corresponds to the stretching roller 10 at the top, the limiting mechanism 32 at the top corresponds to the stretching roller 10 at the bottom, the power mechanism 30 is bolted with the connecting frame 11, the transmission mechanism 31 is rotationally connected with the connecting frame 11, the power mechanism 30 is fixed by the connecting frame 11, the power mechanism 30 comprises a speed reducing motor 301, a single worm 302, a side gear 303 and a rotating rod 304, the left side of the speed reducing motor 301 is bolted with the right side of the connecting frame 11, the output end of the speed reducing motor 301 is arranged upwards, the output end of the speed reducing motor 301 is bolted with the bottom end of the single worm 302, the power supply of the speed reducing motor 301 is connected, the speed reducing motor 301 can drive the single worm 302 to rotate, the surface of the single worm 302 is meshed with the gear ring at the right side gear 303, the single worm 302 adopts a worm structure, the worm structure is engaged with teeth of a gear ring on the right side of the side-tooth gear 303, the single worm 302 can drive the side-tooth gear 303 to rotate, the surface of the single worm 302 is engaged with the rear side of the gear ring on the right side of the side-tooth gear 303, the axis of the left side of the side-tooth gear 303 is bolted with the right end of the rotating rod 304, the side-tooth gear 303 is bolted with the rotating rod 304 through a bolt, the surface of the rotating rod 304 is rotatably sleeved with a hole on the right side of the connecting frame 11, the side-tooth gear 303 can drive the rotating rod 304 to rotate, the rotating rod 304 is rotatably arranged with the connecting frame 11 through a bearing, so that the rotating rod 304 can stably rotate, the left end of the rotating rod 304 extends into the connecting frame 11, the power mechanism 30 further comprises a main helical-tooth gear 305, a secondary helical-tooth gear 306, a screw 307, a moving block 308 and a short rod 309, the left end of the rotating rod 304 extends into the connecting frame 11 and is bolted with the axis of the right side of the main helical-tooth gear 305 through a bolt, the rotating rod 304 can drive the main helical gear 305 to rotate, the teeth at the rear side of the main helical gear 305 are meshed with the teeth on the surface of the secondary helical gear 306, the main helical gear 305 and the secondary helical gear 306 are helical gears, the main helical gear 305 is meshed with the secondary helical gear 306, the main helical gear 305 can drive the secondary helical gear 306 to rotate, the axis of the secondary helical gear 306 is bolted with the top end of the surface of the screw 307, the secondary helical gear 306 can drive the screw 307 to rotate, the secondary helical gear 306 is bolted with the screw 307 through a bolt, the surface of the screw 307 is in a threaded structure, the top end and the bottom end of the screw 307 are both rotatably sleeved with the inside of the connecting frame 11, the screw 307 is rotatably arranged with the connecting frame 11 through a bearing, the screw 307 can stably rotate, the surface of the screw 307 is in threaded connection with the threaded hole of the moving block 308, the screw 307 can drive the moving block 308 to move by utilizing the threaded structure, the hole at the top of the moving block 308 is connected with the surface of the screw 307, the rear side of the moving block 308 is connected with the inside of the connecting frame 11 in a sliding manner, the moving block 308 is arranged with the connecting frame 11 in a sliding manner through a sliding rail, so that the moving block 308 can move up and down stably, the moving block 308 is prevented from being driven by the screw 307 to deflect, the surface of the moving block 308 is hinged with the bottom end of the short rod 309, the short rod 309 is hinged with the transmission mechanism 31, the moving block 308 can drive the short rod 309 to move, the short rod 309 can drive the transmission mechanism 31 to rotate, the transmission mechanism 31 comprises a conducting rod 311, a half gear 312, a pinion 313, a large conical gear 314 and a small conical gear 315, the middle end of the conducting rod 311 is hinged with the inside of the connecting frame 11, the conducting rod 311 is arranged with the connecting frame 11 in a rotating manner through a bearing, the conducting rod 311 can rotate stably, the right end of the conducting rod 311 is hinged with the top end of the short rod 309, the bump at the left end of the conducting rod 311 is connected with the sliding hole at the rear side of the half gear 312 in a sliding manner, the short rod 309 can drive the transmission rod 311 to rotate, the transmission rod 311 is rotatably arranged with the connecting frame 11 through a bearing, the half gear 312 is composed of a half gear and a sliding hole plate at the top of the half gear, a sliding hole of the sliding hole plate is slidably connected with a convex block at the left end of the transmission rod 311, the convex block at the left end of the transmission rod 311 slides in the sliding hole of the half gear 312 and drives the half gear 312 to rotate, the axle center of the half gear 312 is rotatably connected with the inside of the connecting frame 11, the half gear 312 is rotatably arranged with the connecting frame 11 through a bearing, so that the half gear 312 can stably rotate, teeth at the bottom of the half gear 312 are meshed with teeth at the top of the small gear 313, teeth at the bottom of the half gear 312 are straight teeth gears, the small gear 313 is a straight teeth gear, the half gear 312 can drive the small gear 313 to rotate, the rear side of the small gear 313 is bolted with the surface of the large bevel gear 314, and the large bevel gear 314 and the half gear 312 have the same radius, the small gear 313 can drive the big bevel gear 314 to rotate, the small gear 313 is bolted with the big bevel gear 314 through a bolt, the axle center of the big bevel gear 314 is rotatably connected with the middle end inside the connecting frame 11, the teeth at the top end of the surface of the big bevel gear 314 are meshed with the teeth at the rear side of the small bevel gear 315, the big bevel gear 314 can drive the small bevel gear 315 to rotate, the big bevel gear 314 is rotatably arranged with the connecting frame 11 through a bearing, so that the big bevel gear 314 can stably rotate, the transmission mechanism 31 further comprises a double worm 316, a big worm wheel 317, a hinge rod 318 and a rack 319, the double worm 316 is positioned at the rear side of the connecting frame 5 and the supporting frame 8, collision between the double worm 316, the connecting frame 5 and the supporting frame 8 is avoided, structural interference is avoided, the axle center at the top of the small bevel gear 315 is bolted with the bottom end of the double worm 316, the small bevel gear 315 is bolted with the double worm 316 through a bolt, the small bevel gear 315 can drive the double worm 316 to rotate, the top end and the bottom end of the surface of the double worm 316 are rotatably sleeved with the interior of the stretching box 1, the double worm 316 is rotatably arranged with the stretching box 1 through a bearing to enable the double worm 316 to stably rotate, the surface of the double worm 316 is provided with two worm structures, the number of the large worm wheels 317, the number of the hinge rods 318 and the number of the racks 319 are two, the teeth of the two large worm wheels 317 are respectively meshed with the bottom end of the surface of the double worm 316, the double worm 316 can drive the two large worm wheels 317 to rotate, the two large worm wheels 317 are respectively connected with the worm at the bottom of the double worm 316, the axis of the large worm wheel 317 is rotatably connected with the interior of the stretching box 1, the large worm wheel 317 is rotatably arranged with the stretching box 1 through a bearing to enable the large worm wheel 317 to stably rotate, the surface of the large worm wheel 317 is hinged with one end of the hinge rod 318, the double worm 316 can drive the large worm wheel 317 on the left side to rotate anticlockwise, the left big worm wheel 317 can drive the left hinge rod 318 to move leftwards, the double worm 316 can drive the right big worm wheel 317 to rotate clockwise, the right big worm wheel 317 can drive the right hinge rod 318 to move rightwards, one end of the hinge rod 318 far away from the big worm wheel 317 is hinged with the surface of the rack 319, the bottom of the rack 319 is in sliding connection with the sliding groove at the bottom of the stretching box 1, the hinge rod 318 can drive the rack 319 to slide, the rack 319 is arranged with the stretching box 1 in a sliding mode through a sliding rail, the rack 319 can move leftwards and rightwards stably, the rack 319 is prevented from being driven by the hinge rod 318 to shift, teeth at the top of the rack 319 are meshed with teeth at the bottom of the stretching gear 3, the rack 319 can drive the stretching gear 3 to rotate, two sides of the top end of the surface of the double worm 316 are respectively meshed with teeth of the two worm wheels 6, the worm at the top of the double worm 316 is meshed with the two worm wheels 6, the double worm 316 can drive the left worm wheel 6 to rotate anticlockwise downwards, the double worm 316 can drive the worm wheel disc 6 on the right side to rotate downwards clockwise, the top end of the double worm 316 is bolted with the driving wheel 13, the double worm 316 can drive the driving wheel 13 to rotate, the top end of the double worm 316 extends to the top of the stretching box 1 and is fixed with the driving wheel 13 through a bolt, the internal transmission of the driving wheel 13 is connected with a transmission belt 14, the driving wheel 13 can drive the transmission belt 14 to rotate, the top of the stretching box 1 is bolted with the support frame 12, the driving wheel 13 is positioned in the support frame 12, the stretching box 1 is bolted and fixed with the support frame 12 through a bolt, the front side and the rear side in the support frame 12 are both rotationally connected with guide wheels 15, the front side and the rear side at the top of the transmission belt 14 are respectively connected with the internal sliding of the two guide wheels 15, the transmission belt 14 can be guided by the two guide wheels 15, the transmission belt 14 is connected with the driven wheel 16, the guide wheels 15 are rotationally arranged with the support frame 12 through bearings, the transmission belt 14 is connected with the guide wheel 15 in an L-shaped structure, the driven wheel 16 is connected with the transmission belt 14 in an internal transmission manner, the transmission belt 14 is guided by the guide wheel 15 to convert the left-right rotation of the driving wheel 13 into the vertical rotation of the driven wheel 16, the driving wheel 13 and the driven wheel 16 are conveniently connected with the transmission belt 14, the driven wheel 16 can be driven to rotate by the transmission belt 14, a rotating shaft 17 is bolted at the axis of the driven wheel 16, the driven wheel 16 can drive the rotating shaft 17 to rotate, the driven wheel 16 is bolted with the rotating shaft 17 through bolts, two ends of the rotating shaft 17 are both rotatably sleeved with the inside of the supporting frame 12, the rotating shaft 17 is rotatably arranged with the supporting frame 12 through bearings, the rotating shaft 17 can stably rotate, the main bevel gear 18 is bolted at the left end of the surface of the rotating shaft 17, the rotating shaft 17 is bolted with the main bevel gear 18 through bolts, the rotating shaft 17 can drive the main bevel gear 18 to rotate, and teeth of the main bevel gear 18 are meshed with the auxiliary bevel gear 19, the main bevel gear 18 and the auxiliary bevel gear 19 are both bevel gears, the main bevel gear 18 can be meshed with the auxiliary bevel gear 19, the main bevel gear 18 can drive the auxiliary bevel gear 19 to rotate conveniently, the axis of the top of the auxiliary bevel gear 19 is bolted with a rotating rod 20, the auxiliary bevel gear 19 is bolted and fixed with the rotating rod 20 through bolting, the auxiliary bevel gear 19 can drive the rotating rod 20 to rotate, the top of the supporting frame 12 is bolted with a circulating pipe 21, the left end of the circulating pipe 21 is communicated with a ventilation fan 22, the ventilation fan 22 adopts a fan product mature in the market, the power of the ventilation fan 22 is connected, the top of the interior of the stretching box 1 is bolted with an air suction pipe 23, the left end of the air suction pipe 23 penetrates through a hole on the left side of the stretching box 1 and is communicated with the air inlet end of the ventilation fan 22, the ventilation fan 22 can suck air from the interior of the air suction pipe 23, the air suction pipe 23 sucks air from the top of the stretching box 1 through a hole on the bottom, then the air is guided into the interior of the circulating pipe 21, the air suction pipe 23 is bolted with the stretching box 1 through bolts, one end of the circulating pipe 21, which is far away from the ventilation fan 22, is communicated with the right side of the connecting frame 11, the circulating pipe 21 is bolted with the connecting frame 11 through bolts, the interior of the circulating pipe 21 is clamped with an electric heating net 24, the bottom of the stretching box 1 is provided with a ventilation hole, the connecting frame 11 is communicated with the stretching box 1 through the ventilation hole, air moves rightwards after entering the circulating pipe 21 and then moves downwards, the electric heating net 24 is woven by electric heating wires, mature products in the market are selected and enter the connecting frame 11 after being heated by the electric heating net 24, the air enters the stretching box 1 through a hole at the bottom of the stretching box 1, so that upward air flow is formed in the interior of the stretching box 1 to drive heat to be uniformly distributed in the interior of the stretching box 1, the bottom end of the surface of the rotating rod 20 is rotatably sleeved with the hole at the bottom of the circulating pipe 21, the rotating rod 20 is rotatably arranged with the circulating pipe 21 through a bearing, so that the rotating rod 20 can stably rotate, the top end of the rotating rod 20 extends into the circulating pipe 21 and is bolted with a large helical gear 25, the rotating rod 20 is bolted with the large helical gear 25 through a bolt, the rotating rod 20 can drive the large helical gear 25 to rotate, teeth at the rear side of the large helical gear 25 are meshed with a small helical gear 26, the large helical gear 25 and the small helical gear 26 are helical gears, the large helical gear 25 can be meshed with the small helical gear 26, the large helical gear 25 can drive the small helical gear 26 to rotate, a connecting shaft 27 is bolted at the left axis of the small helical gear 26, the small helical gear 26 is bolted with the connecting shaft 27 through a bolt, the small helical gear 26 can drive the connecting shaft 27 to rotate, the left end of the connecting shaft 27 is bolted with a filtering disc 28, the surface of the filtering disc 28 is sleeved with the inside of the circulating pipe 21, the connecting shaft 27 is bolted with the filtering disc 28 through bolts, the left side of the filtering disc 28 is provided with a filtering plate, the surface of the filtering disc 28 is rotatably arranged with the inside of the circulating pipe 21 through a bearing, so that the filtering disc 28 can stably rotate, and the connecting shaft 27 can drive the filtering disc

28 rotates, a hole at the bottom of the circulating pipe 21 is communicated with a collecting bottle 29, the collecting bottle 29 is positioned at the left side of the filtering disc 28, centrifugal force is generated in the rapid rotation process of the filtering disc 28, filtered dust and impurities are thrown into the collecting bottle 29, the top end of the collecting bottle 29 is in threaded connection with the hole at the bottom of the circulating pipe 21, two sides of the stretching box 1 are respectively bolted with a rolling motor 33, the output end of the rolling motor 33 is clamped with a rolling roller 34, the opening at the front side of the stretching box 1 is hinged with a sealing door 35, the rolling roller 34 wound with fibers is inserted into the rolling motor 33 clamped at the left side, a concave-convex block at the hole of the rolling roller 34 is clamped and limited with a concave-convex block at the output shaft of the rolling motor 33, the sealing door 35 can seal the front side of the stretching box 1, the fibers can be guided into a proper position of the stretching box 1 after the sealing door 35 is opened, and the limiting mechanism 32 comprises a connecting box 321, The limiting mechanism 32 is arranged between two stretching frames 9, the connecting frame 5 is in bolted connection with five connecting boxes 321, the support frame 8 is fixed with four connecting boxes 321 through bolts, holes in the inner side of each connecting box 321 are in sliding connection with the surface of each sliding strip 323, each sliding strip 323 is in sliding connection with the corresponding connecting box 321 through sliding rails, each sliding strip 323 can stably move up and down to avoid deviation of each sliding strip 323, one end, far away from the corresponding connecting box 321, of each sliding strip 323 is rotatably connected with the axis of the corresponding limiting wheel 322, each limiting wheel 322 corresponds to each stretching roller 10, each limiting wheel 322 is rotatably arranged with each sliding strip 323 through a bearing, one end, located inside the corresponding connecting box 321, of each sliding strip 323 is hinged with one end of the corresponding connecting rod 324, one end, far away from the corresponding sliding strip 323, of the corresponding connecting rod 324 is hinged with the right end of the corresponding sliding strip 325, the left end of the corresponding sliding strip 323 is hinged with the right end of the corresponding connecting box 325, the corresponding limiting wheel 322 is driven to move by the corresponding stretching rollers 10, the limiting wheel 322 can drive the sliding strip 323 to move, the sliding strip 323 is of a T-shaped structure, the sliding strip 323 can drive the connecting rod 324 to rotate, the connecting rod 324 can drive the sliding hole rod 325 to rotate anticlockwise and upwards, the limiting mechanism 32 further comprises a movable gear 326, a rack 327, a buffer box 328 and a rubber ball 329, a convex block on the surface of the movable gear 326 is in sliding connection with a sliding hole on the rear side of the sliding hole rod 325, a sliding hole of the sliding hole rod 325 slides on the convex block of the movable gear 326 and drives the movable gear 326 to rotate, the movable gear 326 is composed of a gear on the rear side and a convex block rod on the surface of the gear, the convex block rod is in sliding connection with the sliding hole rod 325, the axis of the movable gear 326 is in rotating connection with the inside of the connecting box 321, the movable gear 326 is in rotating connection with the connecting box 321 through a bearing to enable the movable gear 326 to rotate stably, the rack 327 is composed of a connecting strip with teeth and a squeezing plate at the right end of the connecting strip, the connecting strip is in sliding connection with the connecting box 321 through a sliding frame, teeth at the top of the movable gear 326 are meshed with a connecting strip of a toothed frame 327, the movable gear 326 can drive the toothed frame 327 to move, the toothed frame 327 is limited by sliding through a sliding frame, the toothed frame 327 can move stably leftwards and rightwards, the toothed frame 327 can move leftwards and rightwards, the buffer box 328 is bolted with the right side inside a connecting box 321, the buffer box 328 is fixed with the connecting box 321 through bolts, a rubber ball 329 is filled inside the buffer box 328, the rubber ball 329 is positioned on the right side of the extrusion plate, the toothed frame 327 can move rightwards inside the buffer box 328, the toothed frame 327 can extrude the rubber ball 329 inside the buffer box 328, fibers are stretched in a staggered mode by using a stretching roller 10, fibers can be precisely stretched, the stretching stability is guaranteed, and the stretched fibers are limited by using a limiting mechanism 32, let the fibre fall into the multistage, promote tensile accuracy nature, utilize the circulation of air can let heat evenly distributed to can filter the air, avoid the dust pollution fibre, can also collect the dust.

The working principle is as follows: inserting a rolling roller 34 wound with fibers into a rolling motor 33 on the left side of the clamping connection, clamping concave-convex blocks of holes of the rolling roller 34 with concave-convex blocks of an output shaft of the rolling motor 33, opening a sealing door 35 on the front side of a stretching box 1, pulling the right end of the fibers to the rolling roller 34 on the right side of the stretching box 1 for fixing, connecting a power supply of an infrared heater 2, starting the infrared heater 2 to heat the fibers, closing the sealing door 35, connecting a power supply of a speed reducing motor 301, enabling the speed reducing motor 301 to drive a single worm 302 to rotate, enabling the single worm 302 to adopt a worm structure, enabling the worm structure to be meshed with teeth of a gear ring on the right side of a side tooth gear 303, enabling the single worm 302 to drive the side tooth gear 303 to rotate, enabling the side tooth gear 303 to drive a rotating rod 304 to rotate, enabling the rotating rod 304 to rotate with a connecting frame 11 through a bearing, and enabling the rotating rod 304 to rotate stably, the rotating rod 304 can drive the main helical gear 305 to rotate, the main helical gear 305 and the auxiliary helical gear 306 are helical gears, the main helical gear 305 is meshed with the auxiliary helical gear 306, the main helical gear 305 can drive the auxiliary helical gear 306 to rotate, the auxiliary helical gear 306 can drive the screw 307 to rotate, the screw 307 is rotatably arranged with the connecting frame 11 through a bearing, the screw 307 can stably rotate, the screw 307 can drive the moving block 308 to move upwards by utilizing a thread structure, the moving block 308 is slidably arranged with the connecting frame 11 through a sliding rail, the moving block 308 can stably move upwards and downwards to avoid the moving block 308 from being driven to shift by the screw 307, the moving block 308 can drive the short rod 309 to move upwards, the short rod 309 can drive the conducting rod 311 to rotate anticlockwise, the conducting rod 311 is rotatably arranged with the connecting frame 11 through a bearing, the half gear 312 is formed by a half gear and a sliding hole plate at the top of the half gear, the slide hole plate is connected with the conduction rod 311, the convex block at the left end of the conduction rod 311 slides in the slide hole of the half gear 312 and drives the half gear 312 to rotate clockwise, the half gear 312 can drive the small gear 313 to rotate anticlockwise, the small gear 313 can drive the large bevel gear 314 to rotate anticlockwise, the large bevel gear 314 can drive the small bevel gear 315 to rotate, the small bevel gear 315 can drive the double worm 316 to rotate, the double worm 316 can drive the large worm wheel 317 at the left side to rotate anticlockwise, the large worm wheel 317 at the left side can drive the hinge rod 318 at the left side to move leftwards, the hinge rod 318 at the left side can drive the rack 319 at the left side to slide leftwards, the rack 319 is arranged in a sliding way with the stretching box 1 through a slide rail, the rack 319 can move leftwards and rightwards smoothly, the rack 319 at the left side can drive the stretching gear 3 at the left side to rotate clockwise, the stretching gear 3 at the left side can drive the lifting rod 4 at the left side to rotate clockwise, the left end of the left lifting rod 4 rotates upwards, the convex block of the left lifting rod 4 can slide in the sliding hole of the connecting frame 5 and drive the connecting frame 5 to move upwards, meanwhile, the double worm 316 can drive the right big worm wheel 317 to rotate clockwise, the right big worm wheel 317 can drive the right articulated rod 318 to move rightwards, the right articulated rod 318 can drive the right rack 319 to slide rightwards, the right rack 319 can drive the right stretching gear 3 to rotate anticlockwise, the right stretching gear 3 can drive the right lifting rod 4 to rotate anticlockwise, the right end of the right lifting rod 4 rotates upwards, the convex block of the right lifting rod 4 can slide in the sliding hole of the connecting frame 5 and drive the connecting frame 5 to move upwards, thus the lifting rods 4 on the two sides are utilized to drive the connecting frame 5 to move upwards, the connecting frame 5 is arranged in a sliding way with the stretching box 1 through a sliding rail, and the double worm 316 can drive the left worm wheel disc 6 to rotate anticlockwise, the left worm wheel disc 6 can drive the left transmission rod 7 to rotate anticlockwise downwards, the left end of the left transmission rod 7 can slide in the left sliding ring at the top end of the support frame 8 and drive the support frame 8 to move downwards, the double worm 316 can drive the right worm wheel disc 6 to rotate clockwise, the right worm wheel disc 6 can drive the right transmission rod 7 to rotate clockwise downwards, the right end of the right transmission rod 7 slides in the sliding ring at the top end of the support frame 8 and drive the support frame 8 to move downwards, the support frame 8 moves downwards, the number of the stretching frames 9 at the top of the connecting frame 5 is four, the number of the stretching frames 9 at the bottom of the support frame 8 is five, the upper stretching frames 9 and the lower stretching frames 9 are distributed in a staggered mode, the stretching frames 9 at the bottom are driven by the connecting frame 5 to move upwards, the stretching frames 9 at the top are driven by the support frame 8 to move downwards, and the two stretching rollers 10 at the top end of the stretching frames 9 at the bottom can jack up fibers, two stretching rollers 10 at the bottom end of the top stretching frame 9 extrude the fibers downwards to move, the fibers are in a wave shape, the rolling motors 33 at two sides stop rotating and are self-locked in the stretching process, the lengths of the fibers are unchanged, the upper stretching roller 10 and the lower stretching roller 10 can stretch the fibers, in the process, the limiting wheels 322 of the top limiting mechanism 32 abut against the stretching rollers 10 at the bottom and clamp the fibers, the limiting wheels 322 of the bottom limiting mechanism 32 abut against the stretching rollers 10 at the top and also clamp and limit the fibers, so that the fibers are divided into a plurality of sections and stretched in sections, in the stretching process, taking the limiting mechanism 32 at the top as an example, the limiting wheels 322 are driven by the stretching rollers 10 at the bottom to move upwards, the limiting wheels 322 can drive the sliding strips 323 to move upwards, the sliding strips 323 can drive the connecting rods 324 to rotate upwards, the connecting rods 324 can drive the sliding hole rods 325 to rotate upwards counterclockwise, the sliding hole of the sliding hole rod 325 slides on the convex block of the movable gear 326 and drives the movable gear 326 to rotate clockwise, the movable gear 326 can drive the rack 327 to move rightwards, the rack 327 can slide and limit through the sliding frame to enable the rack 327 to move leftwards and rightwards stably, the rack 327 can move rightwards in the buffer box 328, the rack 327 can squeeze a rubber ball 329 in the buffer box 328, the power of the ventilation fan 22 is switched on, the ventilation fan 22 can suck air from the inside of the air suction pipe 23, the air suction pipe 23 sucks air from the top of the stretching box 1 through holes at the bottom and then guides the air into the inside of the circulating pipe 21, the air enters the circulating pipe 21 and then is filtered by the filtering disc 28, the filtered air continues to move rightwards and then moves downwards, and enters the connecting frame 11 after being heated by the electric heating net 24, the air enters the stretching box 1 through holes at the bottom of the stretching box 1, thereby forming upward air flow in the stretching box 1, driving heat to be evenly distributed in the stretching box 1, the double worm 316 can drive the driving wheel 13 to rotate, the driving wheel 13 can drive the transmission belt 14 to rotate, the transmission belt 14 can be guided by the two guide wheels 15, the transmission belt 14 is connected with the driven wheel 16, the guide wheels 15 are rotatably arranged with the support frame 12 through bearings, the driven wheel 16 can drive the rotating shaft 17 to rotate, the rotating shaft 17 is rotatably arranged with the support frame 12 through bearings, the rotating shaft 17 can stably rotate, the rotating shaft 17 can drive the main bevel gear 18 to rotate, the main bevel gear 18 and the auxiliary bevel gear 19 are bevel gears, the main bevel gear 18 can be meshed with the auxiliary bevel gear 19, the main bevel gear 18 can conveniently drive the auxiliary bevel gear 19 to rotate, the auxiliary bevel gear 19 can drive the rotating rod 20 to rotate, the rotating rod 20 is rotatably arranged with the circulating pipe 21 through bearings, let dwang 20 can rotate steadily, dwang 20 can drive big skewed tooth gear 25 and rotate, big skewed tooth gear 25 and little skewed tooth gear 26 are the skewed tooth gear, let big skewed tooth gear 25 can mesh with little skewed tooth gear 26, let big skewed tooth gear 25 can drive little skewed tooth gear 26 and rotate, little skewed tooth gear 26 can drive connecting axle 27 and rotate, connecting axle 27 can drive and filter disc 28 and rotate, filter disc 28 rotates the in-process fast and produces centrifugal force, the inside of getting rid of collecting bottle 29 into with the dust impurity that filters down.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. A drying and stretching device for composite polyethylene fiber vitamin production comprises a stretching box (1) and an infrared heater (2) bolted inside the stretching box (1), and is characterized in that the side surface inside the stretching box (1) is connected with a connecting frame (5) in a sliding manner, sliding holes on two sides of the surface of the connecting frame (5) are connected with a lifting rod (4) in a sliding manner, one end of the lifting rod (4) is bolted with a stretching gear (3), two sides of the top end inside the stretching box (1) are connected with a worm wheel disc (6) in a rotating manner, the surface of the worm wheel disc (6) is connected with a transmission rod (7) in a bolting manner, a supporting frame (8) in a sliding manner is arranged inside the stretching box (1) and is connected with two transmission rods (7), a stretching frame (9) is bolted on the top of the connecting frame (5) and the bottom of the supporting frame (8), two ends of the inner side of the stretching frame (9) are connected with stretching rollers (10) in a rotating manner, the bottom of the stretching box (1) is bolted with a connecting frame (11), the right side of the connecting frame (11) is bolted with a power mechanism (30), the top end of the power mechanism (30) is hinged with a transmission mechanism (31), the top of the connecting frame (5) and the bottom of the support frame (8) are both bolted with a limiting mechanism (32), the limiting mechanism (32) comprises a connecting box (321), a limiting wheel (322), a sliding strip (323), a connecting rod (324), a sliding hole rod (325), a movable gear (326), a toothed rack (327), a buffer box (328) and a rubber ball (329), a hole in the inner side of the connecting box (321) is connected with the surface of the sliding strip (323) in a sliding manner, one end of the sliding strip (323), which is far away from the connecting box (321), is rotatably connected with the axis of the limiting wheel (322), one end of the sliding strip (323), which is located in the connecting box (321), is hinged with one end of the connecting rod (324), one end of the connecting rod (324) far away from the sliding strip (323) is hinged with the right end of the sliding hole rod (325), the left end of the sliding hole rod (325) is hinged with the left side inside the connecting box (321), a convex block on the surface of the movable gear (326) is in sliding connection with the sliding hole on the rear side of the sliding hole rod (325), the axis of the movable gear (326) is rotatably connected with the inside of the connecting box (321), the tooth frame (327) is composed of a connecting strip with teeth and a pressing plate on the right end of the connecting strip, the connecting strip is in sliding connection with the connecting box (321) through a sliding frame, the teeth on the top of the movable gear (326) are meshed with the connecting strip of the tooth frame (327), the pressing plate of the tooth frame (327) is in sliding connection with the inside of the buffer box (328), the right side of the buffer box (328) is in bolted connection with the right side inside of the connecting box (321), and the rubber ball (329) is filled inside the buffer box (328), the rubber ball (329) is positioned on the right side of the extrusion plate.

2. The drying and stretching device for producing the composite polyethylene fiber according to claim 1, wherein the power mechanism (30) comprises a speed reducing motor (301), a single worm (302), a side toothed gear (303) and a rotating rod (304), the left side of the speed reducing motor (301) is bolted with the right side of the connecting frame (11), the output end of the speed reducing motor (301) is bolted with the bottom end of the single worm (302), the surface of the single worm (302) is meshed with a gear ring on the right side of the side toothed gear (303), the axial center on the left side of the side toothed gear (303) is bolted with the right end of the rotating rod (304), and the surface of the rotating rod (304) is rotatably sleeved with a hole on the right side of the connecting frame (11).

3. The drying and stretching device for producing composite polyethylene fiber according to claim 2, wherein the power mechanism (30) further comprises a main helical gear (305), a secondary helical gear (306), a screw rod (307), a moving block (308) and a short rod (309), the left end of the rotating rod (304) extends into the connecting frame (11) and is bolted with the axis of the right side of the main helical gear (305), the teeth of the rear side of the main helical gear (305) are meshed with the teeth of the surface of the secondary helical gear (306), the axis of the secondary helical gear (306) is bolted with the top end of the surface of the screw rod (307), the top end and the bottom end of the screw rod (307) are rotatably sleeved with the inside of the connecting frame (11), the surface of the screw rod (307) is in threaded connection with the threaded hole of the moving block (308), and the rear side of the moving block (308) is in sliding connection with the inside of the connecting frame (11), the surface of the moving block (308) is hinged with the bottom end of a short rod (309), and the short rod (309) is hinged with the transmission mechanism (31).

4. The drying and stretching device for producing composite polyethylene fiber according to claim 3, wherein the transmission mechanism (31) comprises a conductive rod (311), a half gear (312), a pinion (313), a big bevel gear (314) and a small bevel gear (315), the middle end of the conductive rod (311) is hinged with the inside of the connection frame (11), the right end of the conductive rod (311) is hinged with the top end of the short rod (309), the projection at the left end of the conductive rod (311) is slidably connected with the sliding hole at the rear side of the half gear (312), the axial center of the half gear (312) is rotatably connected with the inside of the connection frame (11), the teeth at the bottom of the half gear (312) are engaged with the teeth at the top of the pinion (313), the rear side of the pinion (313) is bolted with the surface of the big bevel gear (314), the axial center of the big bevel gear (314) is rotatably connected with the middle end inside the connection frame (11), the teeth at the top end of the surface of the large bevel gear (314) are meshed with the teeth at the rear side of the small bevel gear (315).

5. The drying and stretching device for producing composite polyethylene fiber according to claim 4, wherein the transmission mechanism (31) further comprises a double worm (316), a big worm wheel (317), a hinged rod (318) and a rack (319), the double worm (316) is located at the rear side of the connecting frame (5) and the supporting frame (8), the axis of the top of the small bevel gear (315) is bolted with the bottom end of the double worm (316), the top end and the bottom end of the surface of the double worm (316) are rotatably sleeved with the inside of the stretching box (1), the number of the big worm wheel (317), the hinged rod (318) and the rack (319) is two, the teeth of the two big worm wheels (317) are meshed with the bottom end of the surface of the double worm (316), the axis of the big wheel (317) is rotatably connected with the inside of the stretching box (1), and the surface of the big wheel (317) is hinged with one end of the hinged rod (318), one end of the hinged rod (318), which is far away from the large worm wheel (317), is hinged to the surface of the rack (319), the bottom of the rack (319) is in sliding connection with the sliding groove in the bottom of the stretching box (1), teeth on the top of the rack (319) are meshed with teeth on the bottom of the stretching gear (3), and two sides of the top end of the surface of the double worm (316) are respectively meshed with teeth of the two worm wheels (6).

6. The drying and stretching device for the composite polyethylene fiber production according to claim 5, wherein the top end of the double worm (316) is bolted with a driving wheel (13), the internal transmission of the driving wheel (13) is connected with a transmission belt (14), the top of the stretching box (1) is bolted with a support frame (12), the front side and the rear side of the inside of the support frame (12) are rotatably connected with guide wheels (15), the front side and the rear side of the top of the transmission belt (14) are respectively connected with the internal sliding of the two guide wheels (15), and the transmission belt (14) is in an L-shaped structure and is connected with the guide wheels (15).

7. The drying and stretching device for the composite polyethylene fiber production according to claim 6, wherein the internal transmission of the transmission belt (14) is connected with a driven wheel (16), the axis of the driven wheel (16) is bolted with a rotating shaft (17), both ends of the rotating shaft (17) are rotatably sleeved with the inside of the supporting frame (12), the left end of the surface of the rotating shaft (17) is bolted with a main bevel gear (18), the teeth of the main bevel gear (18) are engaged with an auxiliary bevel gear (19), and the axis of the top of the auxiliary bevel gear (19) is bolted with a rotating rod (20).

8. The drying and stretching device for the composite polyethylene fiber production according to claim 7, wherein a circulation pipe (21) is bolted to the top of the support frame (12), the left end of the circulation pipe (21) is communicated with a ventilation fan (22), the top end inside the stretching box (1) is bolted with an air suction pipe (23), the left end of the air suction pipe (23) penetrates through the hole on the left side of the stretching box (1) and is communicated with the air inlet end of the ventilation fan (22), one end of the circulation pipe (21) far away from the ventilation fan (22) is communicated with the right side of the connection frame (11), an electric heating net (24) is clamped inside the circulation pipe (21), the bottom of the stretching box (1) is provided with ventilation holes, the connection frame (11) is communicated with the stretching box (1) through the ventilation holes, the axis of the stretching gear (3) is rotatably connected with the inside of the stretching box (1), both sides of the support frame (8) are connected with the inner part of the stretching box (1) in a sliding way.

9. The drying and stretching device for the composite polyethylene fiber production according to claim 8, wherein the bottom end of the surface of the rotating rod (20) is rotatably sleeved with the hole at the bottom of the circulating pipe (21), the top end of the rotating rod (20) extends into the circulating pipe (21) and is bolted with a large helical gear (25), the teeth at the rear side of the large helical gear (25) are engaged with a small helical gear (26), the axis of the left side of the small helical gear (26) is bolted with a connecting shaft (27), the left end of the connecting shaft (27) is bolted with a filtering disk (28), the surface of the filtering disk (28) is rotatably sleeved with the inside of the circulating pipe (21), the hole at the bottom of the circulating pipe (21) is communicated with a collecting bottle (29), the top end of the collecting bottle (29) is in threaded connection with the hole at the bottom of the circulating pipe (21), the two sides of the stretching box (1) are respectively bolted with a rolling motor (33), the output end of the rolling motor (33) is clamped with a rolling roller (34), and the opening at the front side of the stretching box (1) is hinged with a sealing door (35).

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