CN112962337A

CN112962337A - Production and processing technology of polypropylene filament cable

Info

Publication number: CN112962337A
Application number: CN202110241696.7A
Authority: CN
Inventors: 陈灿雄; 闻煜
Original assignee: Nanjing Wenhao Textile Co ltd
Current assignee: Nanjing Wenhao Textile Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-06-15

Abstract

The invention belongs to the technical field of cable processing, and particularly relates to a production and processing technology of a polypropylene filament cable, which comprises the following steps: step one, preparing yarns from polypropylene: preparing polypropylene fibers into polypropylene fibers, and stretching the polypropylene fibers to obtain long-strip-shaped polypropylene fibers; step two, twisting silk materials: twisting the long strip-shaped polypropylene filaments prepared in the step one to obtain a polypropylene filament cable; step three, waxing the surface: coating solid wax on the surface of the polypropylene filament cable prepared in the step two; and the second step is completed by matching a polypropylene filament cable production and processing device. When the invention twists a plurality of polypropylene filaments, the slide block in the twisting mechanism pushes the polypropylene filaments to extrude the plurality of polypropylene filaments together, and the driving motor drives the driving gear, the outer gear ring and the mounting barrel in the twisting mechanism to rotate at a constant speed, so that the rotating speed of the polypropylene filaments is constant, and the strength of the mooring rope is ensured.

Description

Production and processing technology of polypropylene filament cable

Technical Field

The invention belongs to the technical field of cable processing, and particularly relates to a production and processing technology of a polypropylene filament cable.

Background

Polypropylene is a chinese trade name of isotactic polypropylene fiber of synthetic fiber produced from propylene, which is a by-product of petroleum refining, and is also called polypropylene fiber. Polypropylene has the advantages of simple production process, low cost, high strength, light relative density and the like, so the polypropylene is often used for manufacturing cables. When the cable is made of polypropylene, the polypropylene is firstly made into filaments, and then a plurality of polypropylene filaments are twisted to obtain the cable. The following problems exist in the production process of the polypropylene filament cable at present: (1) in the twisting process of a plurality of polypropylene filaments, gaps are easily generated between adjacent polypropylene filaments, and the strength of the twisted cable is adversely affected; (2) in the twisting process of a plurality of polypropylene filaments, the rotating speed of the polypropylene filaments is difficult to ensure to be constant, so that the twisted mooring rope has uneven shape and also has adverse effect on the strength of the twisted mooring rope.

Disclosure of Invention

Technical problem to be solved

The invention provides a production and processing technology of a polypropylene filament cable, aiming at solving the following problems in the production process of the polypropylene filament cable at present: (1) in the twisting process of a plurality of polypropylene filaments, gaps are easily generated between adjacent polypropylene filaments, and the strength of the twisted cable is adversely affected; (2) in the twisting process of a plurality of polypropylene filaments, the rotating speed of the polypropylene filaments is difficult to ensure to be constant, so that the twisted mooring rope has uneven shape and also has adverse effect on the strength of the twisted mooring rope.

(II) technical scheme

In order to solve the technical problems, the invention adopts the following technical scheme:

a production and processing technology of a polypropylene filament cable comprises the following steps:

step one, preparing yarns from polypropylene: the polypropylene fiber is made into polypropylene fiber silk, and the polypropylene fiber silk is stretched to obtain the long-strip-shaped polypropylene fiber silk.

Step two, twisting silk materials: twisting the long strip-shaped polypropylene filaments prepared in the step one to obtain the polypropylene filament cable.

Step three, waxing the surface: and D, coating solid wax on the surface of the polypropylene filament cable prepared in the step two.

And the second step is completed by matching a polypropylene filament cable production and processing device, the polypropylene filament cable production and processing device comprises a horizontal bottom plate, a vertical column is fixedly arranged on the upper surface of the bottom plate, and a round rod is fixedly arranged on the vertical column horizontally. A plurality of supporting rods are fixedly installed on the round rod, and tensioning mechanisms are fixedly installed on the supporting rods. The tensioning mechanism comprises a mounting ring coinciding with the axis of the round rod, the inner wall of the mounting ring is fixedly connected to the end part of the supporting rod, and through grooves equal to the number of the polypropylene fibers are uniformly formed in the end face of the mounting ring along the circumferential direction of the mounting ring. The through groove is axially arranged along the mounting ring and penetrates through the mounting ring.

The upper surface of the bottom plate is fixedly provided with a twisting mechanism through a support frame, and the twisting mechanism comprises a limiting ring which is fixedly arranged at the top of the support frame and is overlapped with the axis of the mounting ring. The limiting ring is rotatably provided with an installation cylinder which is coincident with the axis of the limiting ring. The installation barrel is provided with a plurality of grooves, the grooves are arranged on the inner wall of the installation barrel, the grooves are equal to the through grooves in number, the grooves are radially arranged along the installation barrel, sliding blocks are matched with the grooves in a sliding mode, and the sliding blocks are located on the end face outside the grooves and provided with clamping grooves matched with the surfaces of the polypropylene fibers. The threaded rod is rotatably installed on the end face, located in the sliding groove, of the sliding block, and the threaded rod is radially arranged along the installation barrel and is in threaded fit with the installation barrel. The end part of the threaded rod is fixedly provided with a gear rod which is coincided with the axis of the threaded rod. And a gear disc meshed with the gear rods is rotatably arranged in the mounting cylinder corresponding to the position of each gear rod. The position corresponding to each gear disc on the end face of the mounting cylinder is in sliding fit with a rack meshed with the gear discs. And (3) inserting the single polypropylene fiber into the mounting cylinder after passing through the through groove, and extracting the end part of the single polypropylene fiber from the port of the mounting cylinder. The single polypropylene fiber is tensioned by the tensioning mechanism, so that the single polypropylene fiber is tensioned before twisting. In the process, the position of the single polypropylene fiber is manually adjusted, so that the single polypropylene fiber is clamped on the clamping groove on the end face of the sliding block. The gear disc is driven to rotate by pushing the rack, so that the gear rod and the threaded rod are driven to rotate, and the sliding block is pushed to slide along the sliding groove when the threaded rod rotates. The slider pushes a single polypropylene fiber clamped on the end face clamping groove of the slider to move along the sliding groove in the sliding process until all the polypropylene fibers are extruded and attached together in the mounting cylinder.

An outer gear ring is fixedly arranged on the outer wall of the mounting cylinder. The upper surface of the bottom plate is fixedly provided with a driving motor through a motor base, and the end part of an output shaft of the driving motor is fixedly provided with a driving gear which is meshed with the outer gear ring. The driving gear is driven by the driving motor to rotate at a constant speed, and the driving gear drives the outer gear ring and the mounting cylinder to rotate at a constant speed. When the mounting barrel rotates at a constant speed, the polypropylene fibers clamped on the clamping grooves on the end faces of the sliding blocks inside the mounting barrel synchronously rotate and are wound together to form a twisting effect. In the process, the twisted cable at the port of the installation barrel is directionally dragged at a constant speed through manual work or existing traction equipment.

As a preferable technical solution of the present invention, the rack is arranged along an axial direction of the mounting cylinder and slides along the axial direction of the mounting cylinder. The end parts of the racks outside the mounting cylinder are fixedly connected together through a connecting ring. The connecting ring is superposed with the axis of the mounting cylinder. The end face of the mounting cylinder is rotatably provided with a lead screw which is axially arranged along the mounting cylinder, and the lead screw penetrates through the connecting ring. The connecting ring is driven to move axially along the mounting cylinder by rotating the lead screw, so that all racks are driven to move synchronously, the sliding block is guaranteed to push all polypropylene fibers to move synchronously while the processing efficiency is improved, the axis of the twisted cable rope is guaranteed to coincide with the axis of the mounting cylinder, and the shape of the twisted cable rope is further guaranteed to be uniform.

As a preferable technical scheme of the invention, a plurality of rollers which are arranged along the axial direction of the installation cylinder are uniformly and rotatably installed on the outer circumferential surface of the installation cylinder, and the surfaces of the rollers are attached to the inner circumferential surface of the limiting ring. When the installation cylinder rotates, the roller rolls on the inner circumferential surface of the limiting ring so as to reduce the friction between the installation cylinder and the limiting ring when the installation cylinder rotates, prolong the service life of the limiting ring and the installation cylinder and ensure the uniform rotation of the installation cylinder.

As a preferable technical scheme of the invention, the sliding block is provided with an installation groove penetrating through the sliding block. And a sliding plate is axially and slidably matched with the inner wall of the mounting groove along the threaded rod, and the end part of the sliding plate is matched with the surface of the polypropylene fiber. Toothed plates which are parallel to the sliding plate are symmetrically and fixedly arranged on the two sides of the sliding plate. The inner wall of the mounting groove is symmetrically and rotatably provided with incomplete gears at two sides of the sliding plate, and the incomplete gears are meshed with corresponding toothed plates. An L-shaped plate is fixedly installed on the incomplete gear, and a strip-shaped limiting block is fixedly installed at the end part of the L-shaped plate. The limiting block is arranged along the axial direction of the mounting cylinder. In the process of clamping a single polypropylene filament to the clamping groove on the end face of the sliding block, the polypropylene filament is attached to the sliding plate and pushes the sliding plate to slide, and the sliding plate drives the toothed plate to slide synchronously when sliding. The toothed plate drives the incomplete gear, the L-shaped plate and the limiting block to synchronously rotate when sliding; when the polypropylene fibre long filament was laminated the draw-in groove on the slider terminal surface completely, the stopper was laminated the polypropylene fibre long filament surface to play spacing effect to the polypropylene fibre long filament, guarantee that the polypropylene fibre long filament is laminated on the draw-in groove on the slider terminal surface all the time, and then can drive the synchronous rotation of polypropylene fibre long filament when having guaranteed that the installation section of thick bamboo rotates.

As a preferable technical scheme of the invention, a plurality of guide grooves are uniformly formed on the surface of the through groove along the circumferential direction of the through groove, and the guide grooves are matched with compression rods in a sliding and sealing manner. The rolling ball is rotatably arranged on the end face of the pressing rod outside the guide groove. The pressing rod is fixedly connected with a pressing spring between the end surface in the guide groove and the end surface of the guide groove. When the polypropylene filament penetrates through the through groove, the rolling ball rolls on the surface of the polypropylene filament, and the pressing rod slides along the guide groove under the thrust action of the polypropylene filament and compresses the pressing spring, so that the polypropylene filament is pressed through the elastic action of the pressing spring, and the tensioning effect is further played.

As a preferable technical scheme of the invention, the inner part of the mounting ring is provided with an annular air groove corresponding to each through groove. The annular air groove is communicated with the guide groove through the first vent hole. And a second vent hole is formed in the outer wall of the mounting ring at a position corresponding to the annular air groove. And the second vent hole, the annular air groove and any one of the first vent holes are provided with a sealing bolt. After the polypropylene filament yarn passes through logical groove, seal second vent hole, annular gas groove and the first vent hole that corresponds through rotating the sealing bolt to make the atmospheric pressure in second vent hole, annular gas groove and the first vent hole invariable, guaranteed through atmospheric pressure effect that the polypropylene filament yarn can not produce in the guide way and slide along its axial conveying material loading in-process compression bar, avoid the polypropylene filament yarn to take place to rock, further guaranteed the effect that compresses tightly to the polypropylene filament yarn.

(III) advantageous effects

The invention has at least the following beneficial effects:

(1) the invention solves the following problems in the production process of the polypropylene filament cable at present: in the twisting process of a plurality of polypropylene filaments, gaps are easily generated between adjacent polypropylene filaments, and the strength of the twisted cable is adversely affected; in the twisting process of a plurality of polypropylene filaments, the rotating speed of the polypropylene filaments is difficult to ensure to be constant, so that the twisted mooring rope has uneven shape and also has adverse effect on the strength of the twisted mooring rope.

(2) In the production process of the polypropylene filament cable, when a plurality of polypropylene filaments are twisted, the single polypropylene filament is pushed by the sliding block in the twisting mechanism, so that the plurality of polypropylene filaments are extruded together, and gaps are prevented from being generated among the polypropylene filaments; and the limiting block in the twisting mechanism clamps and fixes the single polypropylene filament, so that the sliding block can push the single polypropylene filament to move, a plurality of polypropylene filaments can be extruded together, and the strength of the mooring rope is ensured.

(3) In the production process of the polypropylene filament cable, when a plurality of polypropylene filaments are twisted, the driving motor drives the driving gear, the outer gear ring and the mounting barrel in the twisting mechanism to rotate at a constant speed, so that the constant rotating speed of the polypropylene filaments is ensured, the condition that the cable is not uniform in shape is avoided, and the strength of the cable is further ensured.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a process diagram of the polypropylene filament cable manufacturing process according to the embodiment of the present invention;

FIG. 2 is a schematic perspective view of a device for manufacturing and processing polypropylene filament cable according to an embodiment of the present invention;

FIG. 3 is a side view of a polypropylene filament rope manufacturing and processing apparatus in accordance with an embodiment of the present invention;

FIG. 4 is a cross-sectional view of the tensioning mechanism taken at section a-a of FIG. 3;

FIG. 5 is a cross-sectional view of the twisting mechanism in section b-b of FIG. 3;

FIG. 6 is an enlarged schematic view at A in FIG. 4;

FIG. 7 is an enlarged schematic view at B of FIG. 4;

fig. 8 is an enlarged schematic view at C in fig. 5.

In the figure: 1-bottom plate, 2-vertical column, 3-round bar, 4-support bar, 5-tensioning mechanism, 51-mounting ring, 52-through groove, 53-guide groove, 54-pressing bar, 55-rolling ball, 56-pressing spring, 57-annular air groove, 58-first air hole, 59-second air hole, 510-sealing bolt, 6-support frame, 7-twisting mechanism, 71-limit ring, 72-mounting cylinder, 73-sliding groove, 74-sliding block, 75-threaded rod, 76-gear bar, 77-gear disc, 78-rack, 79-connecting ring, 710-lead screw, 711-roller, 712-mounting groove, 713-sliding plate, 714-toothed plate, 715-incomplete gear, etc, 716-L-shaped plate, 717-limiting block, 8-external gear ring, 9-driving motor and 10-driving gear.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1, the present embodiment provides a process for producing a polypropylene filament cable, which includes the following steps:

The second step is completed by matching a polypropylene filament cable production and processing device as shown in fig. 2 to 8, the polypropylene filament cable production and processing device comprises a horizontal bottom plate 1, a vertical column 2 is fixedly mounted on the upper surface of the bottom plate 1, and a round rod 3 is horizontally and fixedly mounted on the vertical column 2. A plurality of supporting rods 4 are fixedly installed on the round rod 3, and tensioning mechanisms 5 are fixedly installed on the supporting rods 4. The tensioning mechanism 5 comprises a mounting ring 51 coinciding with the axis of the round rod 3, the inner wall of the mounting ring 51 is fixedly connected with the end part of the support rod 4, and through grooves 52 equal to the number of the polypropylene fibers are uniformly formed in the end face of the mounting ring 51 along the circumferential direction of the mounting ring. A through slot 52 is axially disposed along the mounting ring 51 and extends through the mounting ring 51.

The upper surface of the bottom plate 1 is fixedly provided with a twisting mechanism 7 through a support frame 6, and the twisting mechanism 7 comprises a limiting ring 71 which is fixedly arranged at the top of the support frame 6 and is coincided with the axis of the mounting ring 51. The limiting ring 71 is rotatably provided with a mounting cylinder 72 which is coincident with the axis of the limiting ring. The inner wall of the mounting cylinder 72 is provided with sliding grooves 73 with the same number as the through grooves 52, the sliding grooves 73 are radially arranged along the mounting cylinder 72, sliding blocks 74 are arranged in the sliding grooves 73 in a sliding fit mode, and clamping grooves matched with the surfaces of the polypropylene fibers are formed in the end faces, located outside the sliding grooves 73, of the sliding blocks 74. The end face of the sliding block 74 located in the sliding groove 73 is rotatably provided with a threaded rod 75, and the threaded rod 75 is arranged along the radial direction of the mounting cylinder 72 and is in threaded fit with the mounting cylinder 72. The end of the threaded rod 75 is fixedly provided with a gear rod 76 which is coincident with the axis thereof. A gear plate 77 that is engaged with the gear rod 76 is rotatably installed in the mounting cylinder 72 at a position corresponding to each gear rod 76. A rack 78 which is engaged with the gear plate 77 is slidably fitted to the end surface of the mounting cylinder 72 at a position corresponding to each gear plate 77. The single polypropylene fiber is inserted into the mounting cylinder 72 after passing through the through groove 52, and the end part of the single polypropylene fiber is drawn out from the port of the mounting cylinder 72. The tensioning mechanism 5 has a tensioning effect on the single polypropylene fiber, and the single polypropylene fiber is ensured to be in a tensioning state before twisting. In the process, the position of the single polypropylene fiber is manually adjusted, so that the single polypropylene fiber is clamped on the clamping groove on the end face of the sliding block 74. The gear disc 77 is rotated by pushing the rack 78, so as to rotate the gear rod 76 and the threaded rod 75, and the slide block 74 is pushed to slide along the slide slot 73 when the threaded rod 75 is rotated. The sliding block 74 pushes the single polypropylene fiber clamped on the end face clamping groove to move in the sliding process along the sliding groove 73 until all the polypropylene fibers are pressed and attached together in the mounting cylinder 72.

The outer wall of the mounting cylinder 72 is fixedly provided with an outer gear ring 8. The upper surface of the bottom plate 1 is fixedly provided with a driving motor 9 through a motor base, and the end part of an output shaft of the driving motor 9 is fixedly provided with a driving gear 10 which is meshed with the outer gear ring 8. The driving gear 10 is driven by the driving motor 9 to rotate at a constant speed, and the driving gear 10 drives the outer gear ring 8 and the mounting cylinder 72 to rotate at a constant speed. When the mounting barrel 72 rotates at a constant speed, the polypropylene fibers clamped in the clamping grooves on the end surfaces of the sliding blocks 74 rotate synchronously and are wound together to form a twisting effect. In the process, the twisted cable at the port of the installation cylinder 72 is directionally dragged at a constant speed through manual work or existing traction equipment.

The rack 78 is axially disposed along the mounting cylinder 72 and slides axially along the mounting cylinder 72. The ends of the racks 78 outside the mounting cylinder 72 are fixedly connected together by a connecting ring 79. The connection ring 79 is axially coincident with the mounting cylinder 72. The end face of the mounting cylinder 72 is rotatably provided with a lead screw 710 arranged along the axial direction of the mounting cylinder 72, and the lead screw 710 penetrates through the connecting ring 79. The screw 710 is rotated to drive the connecting ring 79 to move axially along the mounting cylinder 72, so as to drive all the racks 78 to move synchronously, thereby improving the processing efficiency and ensuring that the slide block 74 pushes all the polypropylene fibers to move synchronously, further ensuring that the axis of the twisted cable coincides with the axis of the mounting cylinder 72, and further ensuring that the twisted cable has a uniform shape.

The outer circumferential surface of the mounting cylinder 72 is uniformly and rotatably provided with a plurality of rollers 711 which are arranged along the axial direction of the mounting cylinder 72, and the surfaces of the rollers 711 are attached to the inner circumferential surface of the limiting ring 71. When the mounting cylinder 72 rotates, the roller 711 rolls on the inner circumferential surface of the limit ring 71, so that the friction between the mounting cylinder 72 and the limit ring 71 when the mounting cylinder 72 rotates is reduced, the service lives of the limit ring 71 and the mounting cylinder 72 are prolonged, and the uniform rotation of the mounting cylinder 72 is ensured.

The slider 74 is provided with a mounting groove 712 penetrating the slider 74. A sliding plate 713 is axially slidably fitted to the inner wall of the mounting groove 712 along the threaded rod 75, and the end of the sliding plate 713 is surface-fitted to the polypropylene fiber. The sliding plate 713 is symmetrically and fixedly mounted at both sides thereof with the tooth plates 714 parallel thereto. Incomplete gears 715 are symmetrically and rotatably mounted on the inner wall of the mounting groove 712 at both sides of the sliding plate 713, and the incomplete gears 715 are engaged with the corresponding toothed plates 714. An L-shaped plate 716 is fixedly arranged on the incomplete gear 715, and a strip-shaped limiting block 717 is fixedly arranged at the end part of the L-shaped plate 716. The stopper 717 is arranged axially along the mounting cylinder 72. In the process of clamping the single polypropylene filament to the clamping groove on the end face of the sliding block 74, the polypropylene filament is attached to the sliding plate 713 and pushes the sliding plate 713 to slide, and the sliding plate 713 drives the toothed plate 714 to slide synchronously when sliding. When the toothed plate 714 slides, the incomplete gear 715, the L-shaped plate 716 and the limiting block 717 are driven to synchronously rotate; when polypropylene fibre long filament laminated the draw-in groove on the slider 74 terminal surface completely, stopper 717 laminated the polypropylene fibre long filament surface to play spacing effect to the polypropylene fibre long filament, guarantee that the polypropylene fibre long filament laminates on the draw-in groove on the slider 74 terminal surface all the time, and then can drive the synchronous rotation of polypropylene fibre long filament when having guaranteed that installation section of thick bamboo 72 rotates.

The surface of the through groove 52 is uniformly provided with a plurality of guide grooves 53 along the circumferential direction, and the guide grooves 53 are matched with compression rods 54 in a sliding sealing manner. The end surface of the pressing rod 54 located outside the guide groove 53 is rotatably mounted with a ball 55. A hold-down spring 56 is fixedly connected between the end surface of the hold-down lever 54 located in the guide groove 53 and the end surface of the guide groove 53. When the polypropylene filament passes through the through groove 52, the rolling balls 55 roll on the surface of the polypropylene filament, and the pressing rod 54 slides along the guide groove 53 under the thrust action of the polypropylene filament and compresses the pressing spring 56, so that the polypropylene filament is pressed by the elastic force of the pressing spring 56, and further the tensioning effect is achieved. An annular air groove 57 is formed in the mounting ring 51 at a position corresponding to each through groove 52. The annular air groove 57 and the guide groove 53 communicate with each other through the first air vent 58. The outer wall of the mounting ring 51 is provided with a second vent hole 59 at a position corresponding to the annular air groove 57. The second vent hole 59, the annular air groove 57 and any one of the first vent holes 58 are provided with a sealing bolt 510. After the polypropylene filament yarn passes through the through groove 52, seal the second vent hole 59, the annular air groove 57 and the corresponding first vent hole 58 through rotating the sealing bolt 510, thereby make the second vent hole 59, the atmospheric pressure in annular air groove 57 and the first vent hole 58 constant, guaranteed through atmospheric pressure effect that the polypropylene filament yarn can not slide in the guide way 53 along its axial conveying material loading in-process compression bar 54, avoid the polypropylene filament yarn to take place to rock, further guaranteed the effect that compresses tightly to the polypropylene filament yarn.

The working process of the polypropylene filament cable production and processing device in the embodiment is as follows: the single polypropylene fiber is inserted into the mounting cylinder 72 after passing through the through groove 52, and the end part of the single polypropylene fiber is drawn out from the port of the mounting cylinder 72. The tensioning mechanism 5 has a tensioning effect on the single polypropylene fiber, and the single polypropylene fiber is ensured to be in a tensioning state before twisting. In the process, the position of the single polypropylene fiber is manually adjusted, so that the single polypropylene fiber is clamped on the clamping groove on the end face of the sliding block 74. The connecting ring 79 is driven to move axially along the mounting cylinder 72 by rotating the lead screw 710, so that all the racks 78 are driven to move synchronously, the racks 78 drive the gear disc 77 to rotate, so that the gear rod 76 and the threaded rod 75 are driven to rotate, and the slide block 74 is pushed to slide along the sliding groove 73 when the threaded rod 75 rotates. The sliding block 74 pushes the single polypropylene fiber clamped on the end face clamping groove to move in the sliding process along the sliding groove 73 until all the polypropylene fibers are pressed and attached together in the mounting cylinder 72. The driving gear 10 is driven by the driving motor 9 to rotate at a constant speed, and the driving gear 10 drives the outer gear ring 8 and the mounting cylinder 72 to rotate at a constant speed. When the mounting barrel 72 rotates at a constant speed, the polypropylene fibers clamped in the clamping grooves on the end surfaces of the sliding blocks 74 rotate synchronously and are wound together to form a twisting effect. In the process, the twisted cable at the port of the installation cylinder 72 is directionally dragged at a constant speed through manual work or existing traction equipment.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The production and processing technology of the polypropylene filament cable is characterized by comprising the following steps:

step one, preparing yarns from polypropylene: preparing polypropylene fibers into polypropylene fibers, and stretching the polypropylene fibers to obtain long-strip-shaped polypropylene fibers;

step two, twisting silk materials: twisting the long strip-shaped polypropylene filaments prepared in the step one to obtain a polypropylene filament cable;

step three, waxing the surface: coating solid wax on the surface of the polypropylene filament cable prepared in the step two;

the second step is completed by matching a polypropylene filament cable production and processing device, the polypropylene filament cable production and processing device comprises a horizontal bottom plate (1), a vertical column (2) is fixedly installed on the upper surface of the bottom plate (1), and a round rod (3) is horizontally and fixedly installed on the vertical column (2); a plurality of support rods (4) are fixedly arranged on the round rod (3), and tensioning mechanisms (5) are fixedly arranged on the support rods (4); the tensioning mechanism (5) comprises a mounting ring (51) which is overlapped with the axis of the round rod (3), the inner wall of the mounting ring (51) is fixedly connected with the end part of the supporting rod (4), and through grooves (52) with the same number as the polypropylene fibers are uniformly formed in the end face of the mounting ring (51) along the circumferential direction; the through groove (52) is axially arranged along the mounting ring (51) and penetrates through the mounting ring (51);

the upper surface of the bottom plate (1) is fixedly provided with a twisting mechanism (7) through a support frame (6), and the twisting mechanism (7) comprises a limiting ring (71) which is fixedly arranged at the top of the support frame (6) and is overlapped with the axis of the mounting ring (51); the limiting ring (71) is rotatably provided with an installation cylinder (72) which is superposed with the axis of the limiting ring; the inner wall of the mounting barrel (72) is provided with sliding grooves (73) with the number equal to that of the through grooves (52), the sliding grooves (73) are arranged along the radial direction of the mounting barrel (72), sliding blocks (74) are matched with the sliding grooves (73) in a sliding mode, and clamping grooves matched with the surfaces of the polypropylene fibers are formed in the end faces, located outside the sliding grooves (73), of the sliding blocks (74); a threaded rod (75) is rotatably mounted on the end face of the sliding block (74) positioned in the sliding groove (73), and the threaded rod (75) is radially arranged along the mounting cylinder (72) and is in threaded fit with the mounting cylinder (72); a gear rod (76) which is coincident with the axis of the threaded rod (75) is fixedly arranged at the end part of the threaded rod; a gear disc (77) which is meshed with the gear rods (76) is rotatably arranged in the mounting cylinder (72) corresponding to the position of each gear rod (76); a rack (78) which is meshed with the gear disc (77) is matched on the end surface of the mounting cylinder (72) in a sliding way at the position corresponding to each gear disc (77);

an outer gear ring (8) is fixedly arranged on the outer wall of the mounting cylinder (72); the upper surface of the bottom plate (1) is fixedly provided with a driving motor (9) through a motor base, and the end part of an output shaft of the driving motor (9) is fixedly provided with a driving gear (10) which is meshed with the outer gear ring (8).

2. A process for manufacturing a polypropylene filament rope according to claim 1, wherein: the rack (78) is axially arranged along the mounting cylinder (72) and axially slides along the mounting cylinder (72); the end parts of the racks (78) positioned outside the mounting cylinder (72) are fixedly connected together through a connecting ring (79); the connecting ring (79) is superposed with the axis of the mounting cylinder (72); the end face of the mounting cylinder (72) is rotatably provided with a lead screw (710) which is axially arranged along the mounting cylinder (72), and the lead screw (710) penetrates through the connecting ring (79).

3. A process for manufacturing a polypropylene filament rope according to claim 1, wherein: and a plurality of rollers (711) which are axially arranged along the mounting cylinder (72) are uniformly and rotatably mounted on the outer circumferential surface of the mounting cylinder (72).

4. A process for manufacturing a polypropylene filament rope according to claim 1, wherein: the sliding block (74) is provided with a mounting groove (712) penetrating through the sliding block (74); a sliding plate (713) is axially and slidably matched on the inner wall of the mounting groove (712) along the threaded rod (75), and the end part of the sliding plate (713) is matched with the surface of the polypropylene fiber; toothed plates (714) which are parallel to the sliding plate (713) are symmetrically and fixedly arranged on two sides of the sliding plate (713); incomplete gears (715) are symmetrically and rotatably arranged on the inner wall of the mounting groove (712) at two sides of the sliding plate (713), and the incomplete gears (715) are meshed with corresponding toothed plates (714); an L-shaped plate (716) is fixedly arranged on the incomplete gear (715), and a strip-shaped limiting block (717) is fixedly arranged at the end part of the L-shaped plate (716); the stopper 717 is arranged axially along the mounting cylinder 72.

5. A process for manufacturing a polypropylene filament rope according to claim 1, wherein: a plurality of guide grooves (53) are uniformly formed in the surface of the through groove (52) along the circumferential direction of the through groove, and a compression rod (54) is matched in the guide grooves (53) in a sliding and sealing manner; the end surface of the pressing rod (54) positioned outside the guide groove (53) is rotatably provided with a rolling ball (55); a compression spring (56) is fixedly connected between the end face of the compression rod (54) positioned in the guide groove (53) and the end face of the guide groove (53).

6. A process for manufacturing a polypropylene filament rope according to claim 5, wherein: an annular air groove (57) is formed in the mounting ring (51) corresponding to each through groove (52); the annular air groove (57) is communicated with the guide groove (53) through a first vent hole (58); a second vent hole (59) is formed in the outer wall of the mounting ring (51) at a position corresponding to the annular air groove (57); and sealing bolts (510) are arranged on the second vent holes (59), the annular air groove (57) and any one of the first vent holes (58).