Rotary wire twisting device

Abstract

The utility model discloses a rotary wire twisting device, which comprises a support follow-up assembly, and the support follow-up assembly is provided with a double-wire clamping assembly used for clamping two parallel wires; the loosening and clamping driving assembly is used for driving the double-wire clamping assembly to be opened or clamped; the moving end of the wire throwing protection assembly is provided with a sliding stop block used for shielding the end of the electric wire, and the wire throwing protection assembly is used for driving the sliding stop block to slide back and forth relative to the double-wire clamping assembly; the rotary driving assembly is used for driving the double-wire clamping assembly to rotate; and the sliding force measuring assembly is used for measuring the pulling force of the double-wire clamping assembly on the electric wire. According to the utility model, the high-rotating-speed servo motor and the conical streamline rotating seat are arranged, so that the stranding efficiency is high; the rotating fixing plate and the thread throwing fixing seat are arranged in parallel, and stability is high; the wire throwing protection assembly can prevent the wire from being thrown out due to centrifugal force during high-speed rotation; real-time tension measurement feedback and timely position compensation can prevent internal damage of the twisted pair.

Description

TECHNICAL FIELD

[0001] The utility model relates to a stranding device, especially a rotary stranding device. BACKGROUND

[0002] At present, in the automobile electronic circuit, the sensor such as engine crankshaft, receiver-reel, ABS system, CAN line and other module systems all need to use double-twisted wire, and with the rapid development of automobile electronics, modular devices and CAN line and other technologies are applied more and more widely, and double-twisted wire loops are more and more. Double-twisted wire is generally twisted by two wires according to a certain pitch, has a certain anti-interference effect, can improve the flexibility of the wire, reduce the risk of wire breakage, at the same time, the cable structure of double-wire twisting can improve the wear resistance and corrosion resistance of the wire, thereby prolonging the service life of the wire.

[0003] In the prior art, in order to improve the production efficiency of double-twisted wire and ensure the quality of double-twisted wire, the stranding method evolves from traditional manual stranding to semi-automatic stranding machine and then to automatic stranding machine. Even so, the automatic stranding machine still has many problems: first, the automatic stranding machine has a stranding speed of 2000-3000 rpm, and the working efficiency is low; second, the existing automatic stranding machine has poor stability in the working process and is prone to wire flinging phenomenon due to centrifugal force when rotating, thereby affecting the stranding quality of the wire; third, the two wires are twisted with each other, and the length of the double-twisted wire product is shorter than the original wire. However, due to the lack of wire length compensation function in the existing equipment, the double-twisted wire is passively lengthened, which may cause internal damage to the wire. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model lies in that, in view of the deficiencies of the prior art, a rotary stranding device with high stranding efficiency, wire flinging prevention and wire injury prevention is provided.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme.

[0006] A rotary stranding device comprises a support follow-up assembly, the support follow-up assembly is provided with: a double-wire clamping assembly for clamping two parallel wires; a loose clamp driving assembly for driving the double-wire clamping assembly to open or clamp; a wire flinging protection assembly, a sliding block for shielding the wire end is arranged at the movement end of the wire flinging protection assembly, the wire flinging protection assembly is used for driving the sliding block to slide forward and backward relative to the double-wire clamping assembly; a rotary driving assembly for driving the double-wire clamping assembly to rotate; and a sliding force measuring assembly for measuring the tension of the double-wire clamping assembly on the wire.

[0007] Preferably, the support follower assembly comprises a support base plate, a sliding block fixing plate and a guide rail mounting plate, the sliding block fixing plate is fixedly connected with the support base plate, the guide rail mounting plate is slidingly connected with the guide rail mounting plate, a rotary fixing plate is fixedly arranged on the guide rail mounting plate, and the double-wire clamping assembly, the loose clamp driving assembly, the wire throwing protection assembly and the rotary driving assembly are arranged on the rotary fixing plate.

[0008] Preferably, the double-wire clamping assembly comprises a rotary seat, an upper clamping arm, a lower clamping arm and a pulling block, the rear end of the rotary seat is rotationally matched with the rotary fixing plate, the upper clamping arm and the lower clamping arm are respectively embedded on the upper side and the lower side of the rotary seat, the front end of the upper clamping arm is provided with an upper parallel clamp, the front end of the lower clamping arm is provided with a lower parallel clamp, the upper parallel clamp is aligned with the lower parallel clamp, the main body part of the upper clamping arm is hingedly connected to the rotary seat through an upper pin shaft, the main body part of the lower clamping arm is hingedly connected to the rotary seat through a lower pin shaft, the side of the pulling block is provided with an upper inclined sliding groove and a lower inclined sliding groove, the upper inclined sliding groove and the lower inclined sliding groove are arranged in a ">"-shaped distribution, the rear end of the upper clamping arm is provided with an upper sliding shaft, the upper sliding shaft is arranged in the upper inclined sliding groove and the two are slidingly matched, the rear end of the lower clamping arm is provided with a lower sliding shaft, the lower sliding shaft is arranged in the lower inclined sliding groove and the two are slidingly matched, the pulling block is driven to move forward and backward by the loose clamp driving assembly, and the rotary seat is driven to rotate by the rotary driving assembly.

[0009] Preferably, the upper side and the lower side of the rotary seat are respectively formed with an upper accommodating groove and a lower accommodating groove, the upper clamping arm and the lower clamping arm are respectively arranged in the upper accommodating groove and the lower accommodating groove, the front end of the rotary seat is provided with a front accommodating opening for accommodating the end of the electric wire, and the upper parallel clamp and the lower parallel clamp are arranged on the front side of the front accommodating opening.

[0010] Preferably, the upper side of the upper clamping arm is provided with an upper connecting rod, the front end of the upper connecting rod and the front end of the upper clamping arm are respectively hingedly connected to the upper parallel clamp, the lower side of the lower clamping arm is provided with a lower connecting rod, the front end of the lower connecting rod and the front end of the lower clamping arm are respectively hingedly connected to the lower parallel clamp, and the rear end of the upper connecting rod and the rear end of the lower connecting rod are respectively fixedly connected to the upper side and the lower side of the rotary seat.

[0011] Preferably, the rotary fixing plate is rotationally connected with a transmission shaft seat, the rear end of the rotary seat is fixedly connected with the front end of the transmission shaft seat, a driven wheel is sleeved on the outer side of the transmission shaft seat and the two are transmissionally matched, and the driven wheel is driven to rotate by the rotary driving assembly.

[0012] Preferably, a pull rod is arranged at the shaft center of the transmission shaft seat and rotationally connected with the transmission shaft seat, the front end of the pull rod is transmissionally connected with the rear end of the pull block, the pull rod is rotationally connected with the pull block, and the rear end of the pull rod is transmissionally connected with the driving end of the loose clamp driving assembly, so that the pull rod is pulled by the loose clamp driving assembly.

[0013] Preferably, the side of the rotation seat is provided with a lateral sliding groove, the sliding block is arranged in the lateral sliding groove and is slidably connected with the lateral sliding groove, the line whipping protection assembly comprises a line whipping fixing seat and a line whipping driving cylinder, the front side of the line whipping fixing seat is provided with a sliding outer ring and a sliding inner ring, the sliding inner ring is arranged at the inner side of the sliding outer ring and is rotationally connected with the sliding outer ring through a bearing, the rear end of the sliding block is fixedly connected with the front end of the sliding inner ring, the sliding inner ring is sleeved at the outer side of the rotation seat and has a gap between the sliding inner ring and the rotation seat, the line whipping driving cylinder is fixedly connected to the rear side of the rotation fixing plate, the driving end of the line whipping driving cylinder is transmissionally connected with the sliding outer ring, and the sliding outer ring, the sliding inner ring and the sliding block are driven to move forward and backward by the line whipping driving cylinder.

[0014] Preferably, the sliding force measuring assembly comprises a tension sensor, sensor fixing blocks are fixedly arranged on the support bottom plate and the guide rail mounting plate respectively, the tension sensor is arranged between the two sensor fixing blocks, and the two ends of the tension sensor are fixedly connected to the two sensor fixing blocks respectively.

[0015] In the rotating and twisting process of the rotating and twisting device, the support follow-up assembly is driven to move to the front of the upward pulling line conveying mechanism by the upward driving translation mechanism, then two parallel electric wires are conveyed to the double-wire clamping assembly by the upward pulling line conveying mechanism, the double-wire clamping assembly is clamped by the loose clamp driving assembly, the end of the electric wire is shielded, the sliding block is driven to move forward by the line whipping protection assembly, the end of the electric wire is shielded by the sliding block, then the support follow-up assembly is driven to move to the initial twisting position by the upward driving translation mechanism, in the specific twisting process, the double-wire clamping assembly is driven to rotate by the rotation driving assembly, and the tension of the electric wire on the double-wire clamping assembly is measured in real time by the sliding force measuring assembly, the tension data is fed back to the control system in real time, the upward driving translation mechanism is adjusted by the control system to adjust the translation position of the rotating and twisting device, and then the position compensation for the double-wire tension change is realized, so that the electric wire is prevented from being damaged in the twisting process, in addition, the twisting efficiency is improved, and the electric wire is prevented from being whipped out, and the process requirement is better met. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The rotating and twisting device is in a three-dimensional state Figure 1 ;

[0017] Figure 2 Structure of a double wire holding assembly and a loose clamp driving assembly Figure 2 ;

[0018] Figure 3 Structure of a double wire holding assembly and a loose clamp driving assembly Figure 1 ;

[0019] Figure 4 Exploded view of a double wire holding assembly and a loose clamp driving assembly

[0020] Figure 5 Structure of a double wire holding assembly and a loose clamp driving assembly Figure 2 ;

[0021] Figure 6 Exploded view of a double wire holding assembly

[0022] Figure 7 Exploded view of a wire whipping protection assembly

[0023] Figure 8 Structure of a support follow-up assembly

[0024] Figure 9 Schematic diagram of the action state of a rotating wire twisting device Figure 1 ;

[0025] Figure 10 Schematic diagram of the action state of a rotating wire twisting device Figure 2 . DETAILED DESCRIPTION

[0026] The utility model will be described in more detail below in combination with the drawings and examples.

[0027] The utility model discloses a rotating wire twisting device, combining Figures 1 to 8 It includes support follow-up assembly 10, be equipped with on support follow-up assembly 10:

[0028] Double wire holding assembly 1 is used for holding two parallel electric wires 200;

[0029] Loose clamp driving assembly 2 is used for driving double wire holding assembly 1 to open or clamp tightly;

[0030] Wire whipping protection assembly 3 is equipped with sliding block 30 for shielding the end of electric wire 200 at the movement end, and wire whipping protection assembly 3 is used for driving sliding block 30 to slide back and forth relative to double wire holding assembly 1;

[0031] Rotary driving assembly 4 is used for driving double wire holding assembly 1 to rotate;

[0032] A sliding force measuring assembly 5 is arranged to measure the tension of the two wires 200 applied by the double wire clamping assembly 1.

[0033] During the twisting process, the support follower assembly 10 is driven by the upward driving translation mechanism to move to the front of the upward wire conveying mechanism, and then the two parallel wires 200 are conveyed to the double wire clamping assembly 1 by the upward wire conveying mechanism. The double wire clamping assembly 1 is clamped by the loose clamp driving assembly 2 to block the wire ends. The wire shielding assembly 3 drives the sliding block 30 to move forward to shield the ends of the wires 200. Then the support follower assembly 10 is driven by the upward driving translation mechanism to move to the initial twisting position. During the twisting process, the double wire clamping assembly 1 is driven to rotate by the rotating driving assembly 4, and the tension of the wires 200 applied by the double wire clamping assembly 1 is measured in real time by the sliding force measuring assembly 5. The tension data is fed back to the control system in real time, and the control system controls the upward driving translation mechanism to adjust the translation position of the rotating twisting device in time, thereby realizing position compensation for the change of the tension of the double twisted wires, preventing damage to the wires during the twisting process. In addition, based on the above-mentioned rotating twisting device, the twisting efficiency is improved, and the wires are prevented from being thrown out, which better meets the process requirements.

[0034] The preferred structure of the support follower assembly 10 is shown in Figure 1 and 8 The support follower assembly 10 includes a support bottom plate 100, a sliding block fixed plate 101 and a guide rail mounting plate 102. The sliding block fixed plate 101 is fixedly connected with the support bottom plate 100, and the guide rail mounting plate 102 is slidably connected with the guide rail mounting plate 102. A rotating fixed plate 103 is fixed on the guide rail mounting plate 102. The double wire clamping assembly 1, the loose clamp driving assembly 2, the wire shielding assembly 3 and the rotating driving assembly 4 are arranged on the rotating fixed plate 103. Specifically, two transverse guide rails 107 are fixed on the sliding block fixed plate 101, and the guide rail mounting plate 102 is slidably connected with the transverse guide rails 107 through the slide rail seats arranged on the back side of the guide rail mounting plate 102.

[0035] In combination with Figure 3 , Figure 4 and Figure 6As shown, the double-wire clamping assembly 1 comprises a rotating seat 11, an upper clamping arm 12, a lower clamping arm 13 and a pulling block 14, the rear end of the rotating seat 11 is rotationally connected with the rotating fixed plate 103, the upper clamping arm 12 and the lower clamping arm 13 are respectively embedded on the upper and lower sides of the rotating seat 11, the front end of the upper clamping arm 12 is provided with an upper parallel clamp 120, the front end of the lower clamping arm 13 is provided with a lower parallel clamp 130, the upper parallel clamp 120 is aligned with the lower parallel clamp 130, the main body of the upper clamping arm 12 is hingedly connected with the rotating seat 11 through an upper pin shaft 121, the main body of the lower clamping arm 13 is hingedly connected with the rotating seat 11 through a lower pin shaft 131, the side of the pulling block 14 is provided with an upper inclined sliding groove 140 and a lower inclined sliding groove 141, the upper inclined sliding groove 140 and the lower inclined sliding groove 141 are arranged in the shape of ">", the rear end of the upper clamping arm 12 is provided with an upper sliding shaft 122, the upper sliding shaft 122 is arranged in the upper inclined sliding groove 140 and they are in sliding connection, the rear end of the lower clamping arm 13 is provided with a lower sliding shaft 132, the lower sliding shaft 132 is arranged in the lower inclined sliding groove 141 and they are in sliding connection, the pulling block 14 is driven to move forward and backward by the loose clamping driving assembly 2, the rotating seat 11 is driven to rotate by the rotating driving assembly 4.

[0036] In order to better cooperate with the upper clamping arm 12 and the lower clamping arm 13, the rotating seat 11 is provided with accommodating grooves for accommodating the upper and lower clamping arms, as shown in Figure 6 As shown, the upper and lower sides of the rotating seat 11 are respectively formed with an upper accommodating groove 110 and a lower accommodating groove 111, the upper clamping arm 12 and the lower clamping arm 13 are respectively arranged in the upper accommodating groove 110 and the lower accommodating groove 111, the front end of the rotating seat 11 is provided with a front accommodating opening 112 for accommodating the end of the electric wire 200, the upper parallel clamp 120 and the lower parallel clamp 130 are arranged on the front side of the front accommodating opening 112.

[0037] Further, the upper side of the upper clamping arm 12 is provided with an upper connecting rod 15, the front end of the upper connecting rod 15 and the front end of the upper clamping arm 12 are respectively hingedly connected with the upper parallel clamp 120, the lower side of the lower clamping arm 13 is provided with a lower connecting rod 16, the front end of the lower connecting rod 16 and the front end of the lower clamping arm 13 are respectively hingedly connected with the lower parallel clamp 130, the rear end of the upper connecting rod 15 and the rear end of the lower connecting rod 16 are respectively fixedly connected with the upper and lower sides of the rotating seat 11.

[0038] When the loose clamp driving assembly 2 pulls the pull block 14 backward, the rear end of the upper clamp arm 12 and the rear end of the lower clamp arm 13 are driven to approach each other based on the sliding fit relationship between the upper inclined sliding groove 140, the lower inclined sliding groove 141 and the upper sliding shaft 122 and the lower sliding shaft 132, and the upper parallel clamp 120 and the lower parallel clamp 130 are driven to open relative to each other, thereby performing the opening action; when the loose clamp driving assembly 2 pushes the pull block 14 forward, the rear end of the upper clamp arm 12 and the rear end of the lower clamp arm 13 are driven to move away from each other, and the upper parallel clamp 120 and the lower parallel clamp 130 are driven to move relative to each other and clamp the wire 200. The linkage relationship of the above-mentioned components is accurate, so that the wire can be reliably clamped.

[0039] To realize the rotary drive, in the embodiment, the rotary fixed plate 103 is rotationally connected with a transmission shaft seat 104, the rear end of the rotary seat 11 is fixedly connected with the front end of the transmission shaft seat 104, a driven wheel 105 is sleeved on the outer side of the transmission shaft seat 104 in transmission fit, and the driven wheel 105 is driven to rotate by the rotary driving assembly 4. Figure 3 and Figure 4 In actual application, the rotary driving assembly 4 includes a driving motor, which drives the driven wheel 105 to rotate through a driving wheel 400 and a belt 401.

[0040] Regarding the preferred transmission mode between the loose clamp driving assembly 2 and the pull block 14, please refer to Figure 4 A pull rod 106 is rotationally fitted at the shaft center of the transmission shaft seat 104, the front end of the pull rod 106 is in transmission connection with the rear end of the pull block 14, the pull rod 106 is in transmission fit with the pull block 14, the rear end of the pull rod 106 is in transmission fit with the driving end of the loose clamp driving assembly 2, and the loose clamp driving assembly 2 applies pulling force to the pull rod 106. Preferably, the loose clamp driving assembly 2 is a gas cylinder.

[0041] Regarding the preferred structure of the wire throwing protection assembly 3, please refer to Figure 7The side of the rotating seat 11 is provided with a lateral sliding groove 113, the sliding block 30 is arranged in the lateral sliding groove 113 and the two are in front and back sliding cooperation, the wire flinging protection assembly 3 comprises a wire flinging fixing seat 35 and a wire flinging driving cylinder 34, the front side of the wire flinging fixing seat 35 is provided with a sliding outer ring 31 and a sliding inner ring 32, the sliding inner ring 32 is arranged on the inner side of the sliding outer ring 31 and the two are in rotary cooperation through a bearing 33, the rear end of the sliding block 30 is fixedly connected with the front end of the sliding inner ring 32, the sliding inner ring 32 is sleeved on the outer side of the rotating seat 11 and there is a gap between the two, the wire flinging driving cylinder 34 is fixed on the rear side of the rotating fixing plate 103, the driving end of the wire flinging driving cylinder 34 is in transmission connection with the sliding outer ring 31, and the sliding outer ring 31, the sliding inner ring 32 and the sliding block 30 are driven to move forward and backward by the wire flinging driving cylinder 34.

[0042] In the above structure, at least two slide rods 350 can be arranged on the wire flinging fixing seat 35, the front end of the slide rod 350 is fixedly connected with the sliding outer ring 31, so that the sliding outer ring 31 can move forward and backward relative to the wire flinging fixing seat 35, and the sliding outer ring 31 is driven to move forward and backward by the wire flinging driving cylinder 34, and the sliding block 30 is shielded on the outer side of the end of the electric wire 200, so that the end of the electric wire 200 can be prevented from flinging outward when the double-wire clamping assembly 1 rotates.

[0043] In order to realize real-time tension measurement, in the embodiment, the sliding force measuring assembly 5 comprises a tension sensor 50, sensor fixing blocks 51 are fixed on the support base plate 100 and the guide rail mounting plate 102 respectively, the tension sensor 50 is arranged between the two sensor fixing blocks 51, and the two ends of the tension sensor 50 are fixedly connected to the two sensor fixing blocks 51 respectively. In specific work, the driving motor starts to twist the wire at high speed, in this process, the tension sensor 50 measures the tension in real time and feeds back to the control system, and the control system controls the uplink driving translation mechanism to drive the rotating wire twisting device to translate and perform position compensation in time.

[0044] In combination with Figures 1 to 10 The utility model discloses still disclose a rotating wire twisting method, the method is based on above-mentioned device realizes, the method comprises the following steps:

[0045] Step S1, the preset uplink driving translation mechanism drives the support follow-up assembly 10 to move to the preset uplink wire pulling conveying mechanism front, and

[0046] Step S2, the preset uplink pull line conveying mechanism carries two parallel electric wires 200 to the double wire clamping assembly 1, and the loose clamp driving assembly 2 drives the double wire clamping assembly 1 to clamp the two electric wires 200;

[0047] Step S3, the wire whipping protection assembly 3 drives the sliding block 30 to move forward, and the sliding block 30 shields the end of the electric wire 200;

[0048] Step S4, the preset uplink driving translation mechanism drives the support follow-up assembly 10 to move to a preset initial stranding position;

[0049] Step S5, the rotating driving assembly 4 drives the double wire clamping assembly 1 to rotate, and the sliding force measuring assembly 5 is used to measure the tension of the double wire clamping assembly 1 on the electric wire 200 in real time.

[0050] The rotating stranding method realizes the basic processes of clamping the wire, shielding the end of the electric wire, rotating stranding and real-time force measurement. In the embodiments of the present application, the above-mentioned action steps can be flexibly applied, for example, the following steps can also be extended:

[0051] Step S6, after the double electric wire stranding is completed, the downlink adhesive tape winding mechanism is used for twice adhesive tape winding (two groups of driving rotating devices rotate in the same direction);

[0052] Step S7, the uplink driving translation mechanism drives the support follow-up assembly to move other components to a stranding transfer position;

[0053] Step S8, after the parallel clamps of the uplink pull line conveying mechanism clamp the double stranded wire, the cylinder of the loose clamp driving assembly is retracted to release the upper and lower clamps, and the cylinder of the wire whipping protection assembly is retracted to move the sliding block away, and the double stranded wire with the wound adhesive tape is transferred.

[0054] The rotating stranding device has the beneficial effects that, by arranging the high-speed servo motor and the conical flow line rotating seat, the stranding speed can reach more than 6000 rpm, and the stranding efficiency is higher; meanwhile, the rotating fixed plate and the wire whipping fixed seat are arranged in parallel, so that the stranding stability is enhanced; in addition, by arranging the wire whipping protection assembly, the electric wire can be prevented from being whipped out due to centrifugal force during high-speed rotation, and the stranding quality is higher; in addition, by real-time tension measurement feedback, position compensation can be performed in time, so that the double stranded wire is prevented from being elongated and damaged.

[0055] The above-mentioned is only the preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement or improvement made within the technical scope of the present application should be included in the scope of protection of the present application.

Claims

1. A rotating stranding device, characterized in that, The utility model relates to a double-wire clamping device, comprising a support follow-up assembly (10) provided with A double-wire clamping assembly (1) for clamping two parallel electric wires (200); A loose clamping driving assembly (2) for driving the double-wire clamping assembly (1) to open or clamp; A wire whipping protection assembly (3) provided with a sliding block (30) for shielding the end of the electric wire (200), and the sliding block (30) is driven to slide forward and backward relative to the double-wire clamping assembly (1); A rotary driving assembly (4) for driving the double-wire clamping assembly (1) to rotate; A sliding force measuring assembly (5) for measuring the tension of the double-wire clamping assembly (1) on the electric wire (200).

2. The rotating stranding apparatus of claim 1 wherein, The support follow-up assembly (10) comprises a support base plate (100), a sliding block fixing plate (101), and a guide rail mounting plate (102), the sliding block fixing plate (101) is fixedly connected with the support base plate (100), the guide rail mounting plate (102) is slidably connected with the guide rail mounting plate (102), the guide rail mounting plate (102) is fixedly provided with a rotary fixing plate (103), and the double-wire clamping assembly (1), the loose clamping driving assembly (2), the wire whipping protection assembly (3), and the rotary driving assembly (4) are all arranged on the rotary fixing plate (103).

3. The rotating stranding apparatus of claim 2 wherein, The double-wire clamping assembly (1) comprises a rotary seat (11), an upper clamping arm (12), a lower clamping arm (13), and a pulling block (14), the rear end of the rotary seat (11) is rotatably connected with the rotary fixing plate (103), the upper clamping arm (12) and the lower clamping arm (13) are respectively embedded on the upper and lower sides of the rotary seat (11), the front end of the upper clamping arm (12) is provided with an upper parallel clamp (120), the front end of the lower clamping arm (13) is provided with a lower parallel clamp (130), the upper parallel clamp (120) is aligned with the lower parallel clamp (130), the main body of the upper clamping arm (12) is hingedly connected with the rotary seat (11) through an upper pin shaft (121), the main body of the lower clamping arm (13) is hingedly connected with the rotary seat (11) through a lower pin shaft (131), the side of the pulling block (14) is provided with an upper inclined sliding groove (140) and a lower inclined sliding groove (141), the upper inclined sliding groove (140) and the lower inclined sliding groove (141) are arranged in a "> " shape, the rear end of the upper clamping arm (12) is provided with an upper sliding shaft (122), the upper sliding shaft (122) is arranged in the upper inclined sliding groove (140) and slidably connected therewith, the rear end of the lower clamping arm (13) is provided with a lower sliding shaft (132), the lower sliding shaft (132) is arranged in the lower inclined sliding groove (141) and slidably connected therewith, the pulling block (14) is driven to move forward and backward by the loose clamping driving assembly (2), and the rotary seat (11) is driven to rotate by the rotary driving assembly (4).

4. The rotating stranding apparatus of claim 3 wherein, The upper and lower sides of the rotating seat (11) are respectively formed with an upper accommodating groove (110) and a lower accommodating groove (111), the upper clamping arm (12) and the lower clamping arm (13) are respectively arranged in the upper accommodating groove (110) and the lower accommodating groove (111), and the front end of the rotating seat (11) is provided with a front accommodating port (112) for accommodating the end of the electric wire (200), and the upper parallel clamp (120) and the lower parallel clamp (130) are arranged on the front side of the front accommodating port (112).

5. The rotating stranding apparatus of claim 4 wherein, The upper side of the upper clamping arm (12) is provided with an upper connecting rod (15), the front end of the upper connecting rod (15) and the front end of the upper clamping arm (12) are respectively hingedly connected to the upper parallel clamp (120), the lower side of the lower clamping arm (13) is provided with a lower connecting rod (16), the front end of the lower connecting rod (16) and the front end of the lower clamping arm (13) are respectively hingedly connected to the lower parallel clamp (130), and the rear end of the upper connecting rod (15) and the rear end of the lower connecting rod (16) are respectively fixedly connected to the upper and lower sides of the rotating seat (11).

6. The rotating wire device of claim 3, wherein, The rotating fixed plate (103) is rotationally connected with a transmission shaft seat (104), the rear end of the rotating seat (11) is fixedly connected with the front end of the transmission shaft seat (104), the outer side of the transmission shaft seat (104) is sleeved with a driven wheel (105) in transmission cooperation, and the driven wheel (105) is driven to rotate by the rotating driving assembly (4).

7. The rotating stranding apparatus of claim 6 wherein, A pull rod (106) is arranged at the shaft center of the transmission shaft seat (104) in rotation cooperation, the front end of the pull rod (106) is in transmission connection with the rear end of the pull block (14), the pull rod (106) is in rotation cooperation with the pull block (14), the rear end of the pull rod (106) is in transmission cooperation with the driving end of the loose clamp driving assembly (2), and the pull rod (106) is applied with pulling force by the loose clamp driving assembly (2).

8. The rotating twine device of claim 4, wherein, The side of the rotating seat (11) is provided with a lateral sliding groove (113), the sliding block (30) is arranged in the lateral sliding groove (113) in front-rear sliding cooperation, the wire throwing protection assembly (3) comprises a wire throwing fixed seat (35) and a wire throwing driving cylinder (34), the front side of the wire throwing fixed seat (35) is provided with a sliding outer ring (31) and a sliding inner ring (32), the sliding inner ring (32) is arranged on the inner side of the sliding outer ring (31) in rotation cooperation through a bearing (33) between the sliding inner ring (32) and the sliding outer ring (31), the rear end of the sliding block (30) is fixedly connected with the front end of the sliding inner ring (32), the sliding inner ring (32) is sleeved on the outer side of the rotating seat (11) with a gap therebetween, the wire throwing driving cylinder (34) is fixed on the rear side of the rotating fixed plate (103), the driving end of the wire throwing driving cylinder (34) is in transmission connection with the sliding outer ring (31), and the sliding outer ring (31), the sliding inner ring (32) and the sliding block (30) are driven to move forward and backward by the wire throwing driving cylinder (34).

9. The rotating twine device of claim 2, wherein, The sliding force measuring assembly (5) comprises a tension sensor (50), sensor fixing blocks (51) are respectively fixed on the support bottom plate (100) and the guide rail mounting plate (102), the tension sensor (50) is arranged between the two sensor fixing blocks (51), and two ends of the tension sensor (50) are respectively fixedly connected to the two sensor fixing blocks (51).

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