CN113026403A - Four-time stranding equipment for frame type rope making machine and using method thereof - Google Patents

Abstract

The invention relates to a four-time twisting stranding device for a frame type rope making machine and a using method thereof, and the four-time twisting stranding device comprises a rack and a plurality of four-time twisting mechanisms arranged on the rack, wherein each two-time twisting mechanism comprises two symmetrically arranged twisting components and a wire roller component between the two twisting components; the twisting assembly comprises a swing arm sleeve and a swing arm shaft which is connected in the swing arm sleeve in a shaft mode, wherein a short swing arm is fixedly connected to the swing arm shaft, a long swing arm is fixedly connected to the swing arm sleeve, the two short swing arms are located between the two long swing arms, a short swing arm wire passing wheel is arranged on each short swing arm, a long swing arm wire passing wheel is arranged on each long swing arm, a swing arm shaft wire passing wheel opposite to the short swing arm wire passing wheel is arranged on each swing arm shaft, a swing arm sleeve wire passing wheel opposite to the long swing arm wire passing wheel is arranged on each swing arm sleeve, the swing arm shaft wire passing wheel is located between the short swing arms and the long swing arms, and the swing arm sleeve wire; the four-for-one twisting and stranding equipment further comprises a driving device for driving the swing arm shaft and the swing arm sleeve to rotate reversely.

Description

Four-time stranding equipment for frame type rope making machine and using method thereof

Technical Field

The invention relates to the technical field of rope making machines, in particular to four-time stranding equipment for a frame type rope making machine and a using method thereof.

Background

The two-in-one frame type rope making machine is divided into a two-in-one frame type three-strand rope making machine and a two-in-one frame type four-strand rope making machine according to the strand number of the product; the device is divided into two parts according to the structure of the device, wherein one part is a strand making part, and the other part is a rope making part.

The strand making part is to combine a plurality of wire rollers or wire shafts twisted by a twisting machine into three strands or four strands and twist the three strands or four strands to a certain twist requirement according to the process; the rope-making part folds the twisted three or four strands into a rope, twists the rope to a certain twist degree according to the process, and draws, shapes and winds the rope into a rope roll. The rope roll can be directly sold as a commodity after being packaged, or can be divided into a plurality of small rolls by a roll divider and then packaged to be sold as a commodity.

The working principle of the traditional stranding part is as follows: after the wires of the wire roller or the wire spool are stranded through the wire dividing coil, the wires of the wire roller or the wire spool pass through the wire passing wheel at the core part of the first swing arm shaft, pass through the cradle, pass through the wire passing wheel at the outer side of the second swing arm and the wire passing wheel at the core part of the swing arm shaft, finally pass through the hole of the swing arm shaft core and enter the rope stranding process together with other strands. The folded yarn is twisted along with the rotation of the swing arms, the folded yarn is twisted once through the first swing arm and then is twisted once through the second swing arm, the two-time twisting machine is called, the production efficiency is low, particularly, the requirement on the twisted yarn twist of a thin rope is high (the twist number of one meter of the folded yarn length is the definition of the twist, and the unit is twist/meter), and the production capacity of the rope is extremely low.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a quadruple-twisting stranding device for a frame type rope making machine and a using method thereof, which can realize quadruple twisting.

The invention is realized by the following technical scheme, and provides four-time twisting stranding equipment for a frame type rope making machine, which comprises a rack and a plurality of four-time twisting mechanisms arranged on the rack, wherein each two-time twisting mechanism comprises two symmetrically arranged twisting components and a wire roller component between the two twisting components; the twisting assembly comprises a swing arm sleeve and a swing arm shaft which is connected in the swing arm sleeve in a shaft mode, wherein a short swing arm is fixedly connected to the swing arm shaft, a long swing arm is fixedly connected to the swing arm sleeve, the two short swing arms are located between the two long swing arms, a short swing arm wire passing wheel is mounted on each short swing arm, a long swing arm wire passing wheel is mounted on each long swing arm, a swing arm shaft wire passing wheel opposite to the short swing arm wire passing wheel is mounted on each swing arm shaft, a swing arm sleeve wire passing wheel opposite to the long swing arm wire passing wheel is mounted on each swing arm sleeve, the swing arm shaft wire passing wheel is located between the short swing arms and the long swing arms, and the swing arm sleeve wire passing wheel; the four-for-one twisting and stranding equipment further comprises a driving device for driving the swing arm shaft and the swing arm sleeve to rotate reversely.

In the scheme, the driving device drives the swing arm shaft and the swing arm sleeve to rotate reversely, and two twisting assemblies in the same four-for-one twisting mechanism are divided into a twisting assembly at the discharge end and a twisting assembly at the two-for-one twisting end according to the direction of the finally folded yarn.

A plurality of silk threads in the thread roller assembly firstly bypass a swing arm shaft thread passing wheel of the twisting assembly at the discharge end after being plied, then bypass a short swing arm thread passing wheel, and carry out primary twisting through the rotation of a short swing arm; and then into the twisting assembly at the two-for-one end.

The folded yarn bypasses the short swing arm wire passing wheel of the twisting assembly at the double twisting end and then bypasses the swing arm shaft wire passing wheel, and secondary twisting is carried out through the rotation of the short swing arm in the twisting assembly at the double twisting end; then the folded yarn rounds the swing arm sleeve and then rounds the long swing arm line passing wheel, the three-time twisting is carried out through the reverse rotation of the long swing arm, and then the folded yarn returns to the twisting assembly at the discharge end.

The folded yarn bypasses the long swing arm wire passing wheel of the twisting assembly at the discharge end, and four times of twisting is realized through the reverse rotation of the long swing arm in the twisting assembly at the discharge end; and finally, the twisted yarns are wound out from the end part of the twisting assembly at the discharge end after bypassing the swing arm sleeve wire passing wheel, and the twisted yarns twisted by the plurality of quadruple twisting mechanisms enter a rope manufacturing part.

As an optimization, the swing arm shaft comprises an active swing arm shaft connected with the driving device and a passive swing arm shaft fixedly connected with the short swing arm, the active swing arm shaft and the passive swing arm shaft are connected through a coupler installed on a swing arm sleeve, the swing arm sleeve wire passing wheel is installed in the coupler and is located between the active swing arm shaft and the passive swing arm shaft, a feeding center hole for allowing the strand to penetrate into the swing arm shaft wire passing wheel is formed in the passive swing arm shaft of the twisting assembly at the discharge end, a discharging center hole for allowing the strand to penetrate out from the swing arm sleeve wire passing wheel is formed in the active swing arm shaft of the twisting assembly at the discharge end, and a connecting center hole for allowing the strand to penetrate between the swing arm shaft wire passing wheel and the swing arm sleeve wire passing wheel is formed in the passive swing arm shaft of the twisting assembly at the double twisting end.

The driving swing arm shaft and the driven swing arm shaft are connected through the coupler mounted on the swing arm sleeve, so that the swing arm sleeve is arranged between the driving swing arm shaft and the driven swing arm shaft, the folded yarn is convenient to penetrate through the connecting center hole and penetrates into the swing arm sleeve through the line wheel from the swing arm shaft, the feeding center hole in the scheme is convenient for the folded yarn to penetrate into the swing arm shaft through the line wheel, and the discharging center hole is convenient for the folded yarn to penetrate out of the line wheel from the swing arm sleeve.

As optimization, the shaft coupling includes the coupling shell of rigid coupling on the swing arm sleeve and the intermediate gear of coupling in the coupling shell, the epaxial rigid coupling of initiative swing arm has the shaft coupling driving gear with intermediate gear meshing, and the epaxial rigid coupling of passive swing arm has the shaft coupling driven gear with intermediate gear meshing, the swing arm sleeve is crossed the line wheel and is fixed in the coupling shell. The driving gear in this scheme drives the intermediate gear rotatory, drives driven gear rotation through the intermediate gear to it is rotatory to drive passive swing arm axle through initiative swing arm axle, and the swing arm sleeve of being convenient for simultaneously crosses the central point of line wheel between initiative swing arm axle and passive swing arm axle and puts and rotate.

Preferably, a wire passing wheel groove is formed in one side, facing the short swing arm wire passing wheel, of the driven swing arm shaft, and the swing arm shaft wire passing wheel is installed in the wire passing wheel groove. In the scheme, the common swing arm shaft line wheel is arranged in the line wheel groove, so that a silk thread which bypasses the swing arm shaft line wheel can conveniently pass through the center of the driven swing arm shaft.

As optimizing, drive arrangement includes drive shaft, rigid coupling in the epaxial swing arm sleeve driving sprocket of drive and the coupling in the epaxial swing arm axle driving sprocket of drive, still including driving the switching-over device that swing arm axle driving sprocket and drive shaft realized the reversal, the epaxial rigid coupling of swing arm has swing arm axle driven sprocket, and the rigid coupling has swing arm sleeve driven sprocket on the swing arm sleeve, swing arm sleeve driving sprocket passes through the chain and is connected with swing arm sleeve driven sprocket, and swing arm axle driving sprocket passes through the chain and is connected with swing arm axle driven sprocket. The swing arm sleeve driving chain wheel in the scheme is connected with the swing arm sleeve driven chain wheel through the chain, so that the swing arm sleeve and the driving shaft are driven to rotate in the same direction, the swing arm shaft driving chain wheel and the driving shaft are driven to rotate reversely, and the swing arm shaft and the driving shaft rotate reversely.

Preferably, the reversing device comprises a reversing frame and a reversing gear which is connected to the reversing frame in a shaft connection mode, a driving gear meshed with the reversing gear is fixedly connected to the driving shaft, and a reversing chain wheel connected with a driving chain wheel of the swing arm shaft is fixedly connected to the reversing gear. In the scheme, the driving chain wheel of the swing arm shaft and the driving shaft are reversely rotated through the meshing of the reversing gear and the driving gear.

Preferably, the thread roller assembly comprises a cradle frame and a plurality of thread roller shafts fixedly connected to the cradle frame, thread rollers are mounted on the thread roller shafts, and the cradle frame is in shaft connection with the swing arm shaft through a bearing. In the scheme, the cradle frame is in shaft joint with the swing arm shaft through the bearing, so that the cradle frame is supported through the swing arm shaft, the cradle frame is prevented from interfering with the rotating folded yarns, and the yarn rollers are used for providing the silk yarns.

Preferably, a strand die opening is fixedly connected to one side of the cradle frame, which is close to the twisting assembly at the discharge end, and strand through holes are formed in the strand die opening. The silk thread on the thread roller passes through the folded yarn in the scheme and passes through the holes for plying.

A use method of a four-time stranding device for a frame type rope making machine comprises the following steps:

a. the driving device drives the swing arm shaft and the swing arm sleeve to rotate reversely;

b. a plurality of silk threads in the thread roller assembly firstly pass through a swing arm shaft thread passing wheel of the twisting assembly at the discharge end after being plied, then pass through a short swing arm thread passing wheel, are twisted for the first time through the rotation of a short swing arm, and then enter the twisting assembly at the double twisting end;

c. the folded yarn bypasses the short swing arm wire passing wheel of the twisting assembly at the double twisting end and then bypasses the swing arm shaft wire passing wheel, and secondary twisting is carried out through the rotation of the short swing arm in the twisting assembly at the double twisting end;

d. then the folded yarn rounds the swing arm sleeve wire passing wheel and then rounds the long swing arm wire passing wheel, the three-time twisting is carried out through the reverse rotation of the long swing arm, and then the folded yarn returns to the twisting component at the discharge end;

e. the folded yarn bypasses the long swing arm wire passing wheel of the twisting assembly at the discharge end, and four times of twisting is realized through the reverse rotation of the long swing arm in the twisting assembly at the discharge end;

f. and finally, the folded yarn passes through the swing arm sleeve wire passing wheel in the twisting assembly at the discharge end.

The invention has the beneficial effects that: the four-time twisting stranding equipment for the frame type rope making machine and the using method thereof realize four-time twisting in the twisting process through the four-time twisting mechanism, greatly improve the production speed, and have more obvious yield especially for processing thin ropes.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic representation of the winding of strands in a top view of the present invention;

FIG. 4 is a schematic illustration of the winding of strands in a front view of the present invention;

FIG. 5 is a top view of the twisting assembly of the two-for-one twisted end of the present invention;

FIG. 6 is a front view of the twisting assembly of the two-for-one twisted end of the present invention;

FIG. 7 is a cross-sectional view taken along plane A-A of FIG. 5 in accordance with the present invention;

FIG. 8 is a top view of the drive assembly of the present invention;

FIG. 9 is a schematic view of chain winding on the swing arm sleeve drive sprocket of the present invention;

FIG. 10 is a front view of the wire roller assembly of the present invention;

shown in the figure:

1. twisting assembly, 2, frame, 3, driving device, 4, thread roller assembly, 5, ply yarn, 11, swing arm sleeve, 12, swing arm shaft, 121, driving swing arm shaft, 122, driven swing arm shaft, 13, short swing arm, 14, short swing arm wire passing wheel, 15, long swing arm, 16, long swing arm wire passing wheel, 17, swing arm shaft wire passing wheel, 18, swing arm sleeve wire passing wheel, 19, shaft coupling housing, 20, intermediate gear, 21, shaft coupling driving gear, 22, shaft coupling driven gear, 31, driving shaft, 32, swing arm sleeve driving sprocket, 33, swing arm shaft driving sprocket, 34, driving gear, 35, reversing gear shaft, 36, reversing gear, 37, reversing sprocket, 38, swing arm shaft driven sprocket, 39, swing arm sleeve driven sprocket, 310, reversing frame, 311, tensioning sprocket, 41, cradle frame, 42, thread roller, 43, thread roller shaft, 44, tension disc, 45, 12, swing arm shaft, 19, and 13, and tension disc, And (4) a strand die opening.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

As shown in fig. 1 to 10, the four-twist stranding equipment for the frame type rope making machine of the invention includes a frame 2 and a plurality of four-twist mechanisms mounted on the frame 2, in this embodiment, 4 four-twist mechanisms are provided, and 4 four-twist mechanisms are arranged side by side in a square shape, so that in this embodiment, the four-twist machine is used, 4 four-twist mechanisms output 4 twisted strands, and the strands are plied by a subsequent rope making machine to form a rope, and a rope roll can be directly sold as a commodity after being packaged, or can be divided into a plurality of small rolls by a separator and then packaged to be sold as a commodity.

It is also possible to provide only one four-for-one twisting mechanism, so that the machine constitutes a single four-for-one twister.

The double-twisting mechanism comprises two symmetrically arranged twisting assemblies 1 and a wire roller assembly 4 between the two twisting assemblies 1, and the two twisting assemblies 1 in the same four-double twisting mechanism are divided into a twisting assembly at a discharge end and a twisting assembly at a double-twisting end according to the direction of the final folded wire penetrating out.

Twisting subassembly 1 includes swing arm sleeve 11 and coupling swing arm axle 12 in swing arm sleeve 11, and the both ends of swing arm axle 12 all wear out swing arm sleeve 11 tip, the rigid coupling has short swing arm 13 on swing arm axle 12, and the rigid coupling has long swing arm 15 on swing arm sleeve 11, and two short swing arms 13 are located between two long swing arms 15.

The short swing arm 13 extends to two sides along the radial direction of the swing arm shaft 12 so as to realize dynamic balance in the rotating process, the long swing arm 15 extends to two sides along the radial direction of the swing arm sleeve 11 so as to realize dynamic balance in the rotating process, and the length of the long swing arm 15 is greater than that of the short swing arm 13.

One end of the short swing arm 13 is provided with a short swing arm line passing wheel 14, one end of the long swing arm 15 is provided with a long swing arm line passing wheel 16, and the rotation axis of the short swing arm line passing wheel 14 and the rotation axis of the long swing arm line passing wheel 16 are both perpendicular to the swing arm shaft 12, so that the short swing arm line passing wheel 14 and the long swing arm line passing wheel 16 both guide the folded yarn 5 to the center direction of the swing arm shaft 12.

The swing arm shaft 12 is provided with a swing arm shaft wire passing wheel 17 opposite to the short swing arm wire passing wheel 14, and the swing arm shaft wire passing wheel 17 is parallel to the short swing arm wire passing wheel 14.

The swing arm sleeve 11 is provided with a swing arm sleeve wire passing wheel 18 opposite to the long swing arm wire passing wheel 16, and the swing arm sleeve wire passing wheel 18 is parallel to the long swing arm wire passing wheel 16.

The swing arm shaft threading wheel 17 is positioned between the short swing arm 13 and the long swing arm 15, and the swing arm sleeve threading wheel 18 is positioned on one side of the long swing arm 15 far away from the short swing arm 13.

The four-for-one twisting and stranding equipment further comprises a driving device 3 for driving the swing arm shaft 12 and the swing arm sleeve 11 to rotate reversely.

The swing arm shaft 12 comprises an active swing arm shaft 121 connected with the driving device 3 and a passive swing arm shaft 122 fixedly connected with the short swing arm 13, the active swing arm shaft 121 is arranged at one end close to the long swing arm 15, the passive swing arm shaft 122 is arranged at one end close to the short swing arm 13, and the active swing arm shaft 121 and the passive swing arm shaft 122 are both connected inside the swing arm sleeve 11 through bearings.

The swing arm sleeve 11 outside the driving swing arm shaft 121 is mounted on the frame 2 through a bearing, and the driving swing arm shaft 121 and the driven swing arm shaft 122 are connected through a coupler mounted on the swing arm sleeve 11, so that power transmission is realized.

The swing arm sleeve threading wheel 18 is installed in the coupler and located between the driving swing arm shaft 121 and the driven swing arm shaft 122, the coupler comprises a coupler shell 19 fixedly connected to the swing arm sleeve 11 and an intermediate gear 20 coupled in the coupler shell 19, a coupler driving gear 21 meshed with the intermediate gear 20 is fixedly connected to the driving swing arm shaft 121, a coupler driven gear 22 meshed with the intermediate gear 20 is fixedly connected to the driven swing arm shaft 122, the swing arm sleeve threading wheel 18 is fixed in the coupler shell 19, the swing arm sleeve threading wheel 18 is located between the driving gear 21 and the driven gear 22, a hole for allowing a silk thread to pass is formed in the coupler shell 19, and a strand between the swing arm sleeve threading wheel 18 and the long swing arm threading wheel 16 can pass through the strand conveniently.

A feeding center hole for enabling the folded yarn 5 to penetrate into the swing arm shaft threading wheel 17 is formed in the passive swing arm shaft 122 of the twisting assembly 1 at the discharging end, a discharging center hole for enabling the folded yarn 5 to penetrate out of the swing arm sleeve threading wheel 18 is formed in the active swing arm shaft 121 of the twisting assembly 1 at the discharging end, and a connecting center hole for enabling the folded yarn 5 between the swing arm shaft threading wheel 17 and the swing arm sleeve threading wheel 18 to penetrate through is formed in the passive swing arm shaft 122 of the twisting assembly 1 at the double twisting end.

In the embodiment, for the universality of the parts, the centers of the driving swing arm shaft 121 and the driven swing arm shaft 122 are both provided with a through center through hole, so that the strand 5 can conveniently pass through the through hole.

A wire passing wheel groove is formed in one side, facing the short swing arm wire passing wheel 14, of the driven swing arm shaft 122, the swing arm shaft wire passing wheel 17 is installed in the wire passing wheel groove, the swing arm shaft wire passing wheel 17 is tangent to the center of the driven swing arm shaft 122, so that a strand 5 guided by the swing arm shaft wire passing wheel 17 passes through a center through hole of the driven swing arm shaft 122, the swing arm sleeve wire passing wheel 18 is also tangent to the center of the driven swing arm shaft 122, and the strand guided by the swing arm sleeve wire passing wheel 18 passes through the center through holes of the driven swing arm shaft 122 and the driving swing arm shaft 121.

The driving device comprises a driving shaft 31, a swing arm sleeve driving chain wheel 32 fixedly connected to the driving shaft 31 and a swing arm shaft driving chain wheel 33 coupled to the driving shaft 31, wherein the power of the driving shaft 31 can be from rope power or can be driven by an independent motor.

A swing arm shaft driven chain wheel 38 is fixedly connected to the swing arm shaft 12, the swing arm shaft driven chain wheel 38 is fixedly connected to the end portion of the driving swing arm shaft 121, a swing arm sleeve driven chain wheel 39 is fixedly connected to the swing arm sleeve 11, and the swing arm sleeve driven chain wheel 39 is fixedly connected to the end portion of the swing arm sleeve 11

As shown in fig. 9, the swing arm sleeve driving sprocket 32 is connected to 4 swing arm sleeve driven sprockets 39 through a chain, and a tension sprocket 311 is mounted on the chain.

The swing arm shaft driving sprocket 33 is connected with 4 swing arm shaft driven sprockets 38 through a chain, and a tension sprocket 311 is mounted on the chain.

Still including driving the switching-over device that swing arm axle driving sprocket 33 and drive shaft 31 realized the reversal, the switching-over device is including switching-over frame 310 and the switching-over gear 36 of coupling on switching-over frame 310, the rigid coupling has the drive gear 34 with switching-over gear 36 meshing on the drive shaft 31, the rigid coupling has the switching-over sprocket 37 of being connected with swing arm axle driving sprocket 33 on the switching-over gear 36.

The thread roller assembly 4 comprises a cradle 41 and a plurality of thread roller shafts 43 fixedly connected to the cradle 41, the thread rollers 42 are mounted on the thread roller shafts 43, and the cradle 41 is coupled with the swing arm shaft 12 through bearings.

One side rigid coupling that cradle 41 is close to twisting subassembly 1 of discharge end has a strand die orifice 45, it has the strand to pass the hole to open on the strand die orifice 45, and the strand passes the hole and is equipped with the fillet near the one end of line roller 42, the silk thread of preventing wearing and tearing, is provided with the tension disc with cradle 41 rigid coupling between strand die orifice 45 and the line roller 42, and the tension disc is the ring shape, plays the guide effect of silk thread.

A use method of a four-time stranding device for a frame type rope making machine comprises the following steps:

a. the driving device drives the swing arm shaft and the swing arm sleeve to rotate reversely;

b. a plurality of silk threads in the thread roller assembly firstly pass through a swing arm shaft thread passing wheel of the twisting assembly at the discharge end after being plied, then pass through a short swing arm thread passing wheel, are twisted for the first time through the rotation of a short swing arm, and then enter the twisting assembly at the double twisting end;

c. the folded yarn bypasses the short swing arm wire passing wheel of the twisting assembly at the double twisting end and then bypasses the swing arm shaft wire passing wheel, and secondary twisting is carried out through the rotation of the short swing arm in the twisting assembly at the double twisting end;

d. then the folded yarn rounds the swing arm sleeve wire passing wheel and then rounds the long swing arm wire passing wheel, the three-time twisting is carried out through the reverse rotation of the long swing arm, and then the folded yarn returns to the twisting component at the discharge end;

e. the folded yarn bypasses the long swing arm wire passing wheel of the twisting assembly at the discharge end, and four times of twisting is realized through the reverse rotation of the long swing arm in the twisting assembly at the discharge end;

f. and finally, the folded yarn passes through the swing arm sleeve wire passing wheel in the twisting assembly at the discharge end.

Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.

Claims (9)

1. A quadruple stranding equipment for frame rope making machine which is characterized in that: the double-twisting mechanism comprises a rack (2) and a plurality of four-double-twisting mechanisms arranged on the rack (2), wherein each double-twisting mechanism comprises two symmetrically arranged twisting components (1) and a wire roller component (4) between the two twisting components (1);

the twisting component (1) comprises a swing arm sleeve (11) and a swing arm shaft (12) which is coupled in the swing arm sleeve (11), a short swing arm (13) is fixedly connected to the swing arm shaft (12), a long swing arm (15) is fixedly connected to the swing arm sleeve (11), the two short swing arms (13) are positioned between the two long swing arms (15), a short swing arm wire passing wheel (14) is arranged on the short swing arm (13), a long swing arm wire passing wheel (16) is arranged on the long swing arm (15), a swing arm shaft line passing wheel (17) opposite to the short swing arm line passing wheel (14) is arranged on the swing arm shaft (12), a swing arm sleeve line passing wheel (18) opposite to the long swing arm line passing wheel (16) is arranged on the swing arm sleeve (11), the swing arm shaft threading wheel (17) is positioned between the short swing arm (13) and the long swing arm (15), and the swing arm sleeve threading wheel (18) is positioned on one side of the long swing arm (15) far away from the short swing arm (13);

the four-for-one twisting and stranding equipment further comprises a driving device (3) for driving the swing arm shaft (12) and the swing arm sleeve (11) to rotate reversely.

2. The four-stranding apparatus for a frame rope maker according to claim 1, characterized in that: the swing arm shaft (12) comprises a driving swing arm shaft (121) connected with the driving device (3) and a driven swing arm shaft (122) fixedly connected with the short swing arm (13), the driving swing arm shaft (121) and the driven swing arm shaft (122) are connected through a coupling arranged on the swing arm sleeve (11), the swing arm sleeve wire passing wheel (18) is installed in the coupler and located between the driving swing arm shaft (121) and the driven swing arm shaft (122), a feeding center hole for enabling the folded wire (5) to penetrate into the swing arm shaft wire passing wheel (17) is formed in the driven swing arm shaft (122) of the twisting assembly (1) at the discharging end, a discharging center hole for enabling the folded wire (5) to penetrate out of the swing arm sleeve wire passing wheel (18) is formed in the driving swing arm shaft (121) of the twisting assembly (1) at the discharging end, and a connecting center hole for enabling the folded wire (5) between the swing arm shaft wire passing wheel (17) and the swing arm sleeve wire passing wheel (18) to penetrate through is formed in the driven swing arm shaft (122) of the twisting assembly (1) at the double twisting end.

3. The four-stranding apparatus for a frame rope maker according to claim 2, characterized in that: the shaft coupling includes shaft coupling shell (19) and coupling intermediate gear (20) in shaft coupling shell (19) of rigid coupling on swing arm sleeve (11), the rigid coupling has shaft coupling driving gear (21) with intermediate gear (20) meshing on initiative swing arm axle (121), and the rigid coupling has shaft coupling driven gear (22) with intermediate gear (20) meshing on passive swing arm axle (122), swing arm sleeve crosses line wheel (18) and fixes in shaft coupling shell (19).

4. The four-stranding apparatus for a frame rope maker according to claim 2, characterized in that: a wire passing wheel groove is formed in one side, facing the short swing arm wire passing wheel (14), of the driven swing arm shaft (122), and the swing arm shaft wire passing wheel (17) is installed in the wire passing wheel groove.

5. The four-stranding equipment for the frame rope making machine according to any one of claims 1 to 4, characterized in that: drive arrangement includes drive shaft (31), swing arm sleeve driving sprocket (32) of rigid coupling on drive shaft (31) and coupling swing arm axle driving sprocket (33) on drive shaft (31), still realizes the switching-over device of reversal including driving swing arm axle driving sprocket (33) and drive shaft (31), the rigid coupling has swing arm axle driven sprocket (38) on swing arm axle (12), and the rigid coupling has swing arm sleeve driven sprocket (39) on swing arm sleeve (11), swing arm sleeve driving sprocket (32) are connected with swing arm sleeve driven sprocket (39) through the chain, and swing arm axle driving sprocket (33) are connected with swing arm axle driven sprocket (38) through the chain.

6. The four-stranding apparatus for a frame rope maker according to claim 5, characterized in that: the reversing device comprises a reversing frame (310) and a reversing gear (36) coupled to the reversing frame (310), a driving gear (34) meshed with the reversing gear (36) is fixedly connected to the driving shaft (31), and a reversing chain wheel (37) connected with a swing arm shaft driving chain wheel (33) is fixedly connected to the reversing gear (36).

7. The four-stranding equipment for the frame rope making machine according to any one of claims 1 to 4, characterized in that: the line roller assembly (4) comprises a cradle frame (41) and a plurality of line roller shafts (43) fixedly connected to the cradle frame (41), the line rollers (42) are mounted on the line roller shafts (43), and the cradle frame (41) is in shaft connection with the swing arm shaft (12) through a bearing.

8. The four-stranding apparatus for a frame rope maker according to claim 7, characterized in that: a strand die orifice (45) is fixedly connected to one side of the cradle frame (41) close to the twisting assembly (1) at the discharge end, and a strand passing hole is formed in the strand die orifice (45).

9. The use method of the four-time stranding equipment for the frame type rope making machine is characterized by comprising the following steps of:

a. the driving device drives the swing arm shaft and the swing arm sleeve to rotate reversely;

b. a plurality of silk threads in the thread roller assembly firstly pass through a swing arm shaft thread passing wheel of the twisting assembly at the discharge end after being plied, then pass through a short swing arm thread passing wheel, are twisted for the first time through the rotation of a short swing arm, and then enter the twisting assembly at the double twisting end;

c. the folded yarn bypasses the short swing arm wire passing wheel of the twisting assembly at the double twisting end and then bypasses the swing arm shaft wire passing wheel, and secondary twisting is carried out through the rotation of the short swing arm in the twisting assembly at the double twisting end;

d. then the folded yarn rounds the swing arm sleeve wire passing wheel and then rounds the long swing arm wire passing wheel, the three-time twisting is carried out through the reverse rotation of the long swing arm, and then the folded yarn returns to the twisting component at the discharge end;

e. the folded yarn bypasses the long swing arm wire passing wheel of the twisting assembly at the discharge end, and four times of twisting is realized through the reverse rotation of the long swing arm in the twisting assembly at the discharge end;

f. and finally, the folded yarn passes through the swing arm sleeve wire passing wheel in the twisting assembly at the discharge end.

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