CN218069469U

CN218069469U - Improved high-speed stranding machine pitch control mechanism

Info

Publication number: CN218069469U
Application number: CN202222465894.4U
Authority: CN
Inventors: 张清景
Original assignee: Dongguan Bangzheng Electromechanical Technology Co ltd
Current assignee: Dongguan Bangzheng Electromechanical Technology Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2022-12-16
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses an improved high-speed stranding machine pitch control mechanism, which comprises a circular mounting disc with an axial hole, wherein a lead mechanism, a hysteresis clutch and a wire arranging mechanism are annularly arranged on the circular mounting disc along the axial hole, a first synchronous belt is arranged between the hysteresis clutch and the lead mechanism, a second synchronous belt is arranged between the hysteresis clutch and the wire arranging mechanism, and the hysteresis clutch comprises a hysteresis clutch, a top shaft bearing seat, a first relay shaft and a second relay shaft; the utility model discloses a novel hysteresis clutch come as the complete machine transmission on the stranding machine, have simple structure, response speed is fast, the precision is accurate, pollution-free, noiselessness and the characteristics of no shock vibration, because hysteresis clutch adopts non-frictional technique, produced moment of torsion application scope is big, make speed regulation, response speed all very fast, and do not have the wearing and tearing loss of magnetic, follow-up need not to maintain it and replace, the service life of extension equipment, reinforcing transmission performance, increase equipment's lay range.

Description

Improved high-speed stranding machine pitch control mechanism

Technical Field

The utility model relates to a stranding machine pitch adjustment technical field especially discloses a high-speed stranding machine pitch control mechanism of modified.

Background

The stranding machine is a stranding device widely applied to various soft/hard conductor wires and electronic wires, and a plurality of separated wire harnesses are stranded and twisted into a strand of cable, so that the cable can meet the production requirements.

The stranding machine on the market at present uses the magnetic powder clutch to carry out the transmission of complete machine, but the magnetic powder clutch is in the use, the circular telegram then makes the magnetic powder produce the sclerosis then produces the moment of torsion with the axis of rotation production friction, the shortcoming that has life weak point, and lead to the magnetic powder seepage easily and come to the bearing department of input/output end, thereby lead to the bearing inside because of the magnetic powder card dies, lead to equipment shutdown, not only increase subsequent maintenance time and maintenance cost, still lead to the production efficiency step-down, influence the production progress, can't adapt to the social demand of present rapid production processing.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects and shortcomings existing in the prior art, the utility model aims to provide an improved pitch control mechanism of a high-speed stranding machine.

In order to solve the technical problem, the utility model discloses the technical scheme who takes is: an improved pitch control mechanism of a high-speed stranding machine comprises a circular mounting disc with an axial hole, wherein a lead mechanism, a hysteresis clutch device and a wire arrangement mechanism are annularly arranged on the circular mounting disc along the axial hole, a first synchronous belt is arranged between the hysteresis clutch device and the lead mechanism, and a second synchronous belt is arranged between the hysteresis clutch device and the wire arrangement mechanism;

hysteresis lag clutch includes hysteresis lag clutch, apical axis bearing frame, first relay axle and second relay axle, the upper and lower both ends of hysteresis lag clutch all are equipped with the clutch axis of rotation that outwards stretches out, the last clutch synchronous wheelset that is equipped with of clutch axis of rotation, the clutch synchronous wheelset is used for transmitting the power moment of torsion to lead wire mechanism and is used for pulling the pencil and remove.

As a preferred, clutch synchronizing wheel group includes input synchronizing wheel and output synchronizing wheel, and the input synchronizing wheel sets up in the clutch axis of rotation that the hysteresis clutch below stretched out, and the output synchronizing wheel sets up in the clutch axis of rotation that the hysteresis clutch top stretched out, adopt first synchronous belt to carry out the transmission between input synchronizing wheel and the lead wire mechanism, be equipped with the first drive belt that is used for transmitting power between output synchronizing wheel and apical axis bearing frame.

Preferably, the top shaft bearing seat is sleeved with a top shaft synchronizing wheel set, the top shaft synchronizing wheel set comprises a first top shaft synchronizing wheel and a second top shaft synchronizing wheel, and the second top shaft synchronizing wheel is arranged below the first top shaft synchronizing wheel and is driven to rotate through a first transmission belt correspondingly to the height position of the output synchronizing wheel on the hysteresis clutch.

Preferably, a relay transmission wheel set is arranged on the first relay shaft and comprises a first relay wheel and a second relay wheel, the first relay wheel is arranged at the upper end of the first relay shaft and corresponds to the height position of a first top shaft synchronizing wheel on a top shaft bearing seat, a second transmission belt used for transmitting power is arranged between the first relay wheel and the first top shaft synchronizing wheel, and the second relay wheel is arranged at the lower end of the first relay shaft.

Preferably, a third relay wheel is sleeved on the second relay shaft, the height positions of the third relay wheel are the same as the height of the second relay wheel, and a third transmission belt for transmitting power is arranged between the third relay wheel and the second relay wheel.

Preferably, the winding displacement mechanism comprises a plurality of guide wheels for guiding the movement of the wire bundle, a central shaft, a winding displacement device sleeved on the central shaft and a winding displacement guide rod, wherein the winding displacement device is provided with a winding displacement rotating wheel sleeved with a second synchronous belt, two side end sleeves of the central shaft are provided with a fixed plate for supporting and fixing and a bearing positioned in the fixed plate, one side end of the central shaft is also provided with a locking sleeve and is arranged at the outer side end of the bearing, the other side of the central shaft is provided with a winding displacement belt pulley and is positioned at the outer side end of the bearing, the plurality of guide wheels are respectively arranged on the winding displacement guide rod and the winding displacement device, and the winding displacement device is further provided with a guide wheel rotating along the vertical direction.

Preferably, one side of the upper end of the wire arranging device is provided with a moving wheel, and the moving wheel is abutted against the outer end of the wire arranging guide rod and is used for moving along the wire arranging guide rod; the wire arranging guide rod is characterized in that mounting frames for mounting and fixing wire guide wheels are arranged at two side ends of the wire arranging guide rod, an elastic spring is further arranged on the mounting frame positioned at one side end of the wire arranging guide rod, one end of the elastic spring is connected to the mounting frame, and the other end of the elastic spring is connected and fixed on a spring support extending out of the fixing plate; and the mounting frame positioned at the other side end of the flat cable guide rod is provided with a wire breaking plate which is arranged on the mounting frame and extends out of the upper part of the guide wheel.

Preferably, the wire leading mechanism comprises a main leading and taking wheel, an auxiliary leading and taking wheel, a main leading and taking wheel shaft, an auxiliary leading and taking wheel shaft and a driving wheel, the auxiliary leading and taking wheel shaft is positioned on one side of the main leading and taking wheel shaft and is arranged below the circular mounting disc, the top ends of the auxiliary leading and taking wheel shaft and the main leading and taking wheel shaft penetrate through the circular mounting disc to extend and be fixed, the main leading and taking wheel is arranged at the lower end of the main leading and taking wheel shaft, the driving wheel is arranged at the upper end of the main leading and taking wheel shaft and is positioned above the circular mounting disc, the auxiliary leading and taking wheel is arranged at the lower end of the auxiliary leading and taking wheel shaft, a belt pressing wheel shaft is further arranged on the other side of the main leading and taking wheel shaft, and a belt pressing wheel corresponding to the clutch belt wheel group is arranged at the lower end of the belt pressing wheel shaft.

Preferably, a stable bearing is further arranged on the main leading and taking wheel shaft and sleeved on the circular mounting disc, a transmission gear is further arranged between the stable bearing and the main leading and taking wheel, and a cover pressing plate used for covering the center of the main leading and taking wheel is further arranged at the lower end of the main leading and taking wheel shaft.

Preferably, the round mounting plate is further provided with a guide wheel bracket, one end of the guide wheel bracket is locked on the mounting plate of the round mounting plate, the other end of the guide wheel bracket extends out of the axial hole of the round mounting plate, and the upper end of the guide wheel bracket is provided with a corner guide wheel for guiding and rotating the wire harness.

The utility model has the advantages that: the utility model discloses a novel hysteresis clutch come as the complete machine transmission on the stranding machine, simple structure has, response speed is fast, the precision is accurate, pollution-free, noiselessness and the characteristics of no impact vibration energy saving, and because hysteresis clutch adopts non-frictional technique, produced moment of torsion application scope is big, make governing speed, response speed all very fast, and do not have the wearing and tearing loss of magnetic, follow-up need not to maintain it and change, the service life of extension equipment, reinforcing transmission performance, increase equipment's lay apart from the scope.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 isbase:Sub>A schematic cross-sectional view ofbase:Sub>A-base:Sub>A in fig. 1 according to the present invention.

Fig. 3 is a schematic cross-sectional view of B-B in fig. 1 according to the present invention.

Fig. 4 is a schematic structural diagram of the wire arranging mechanism of the present invention.

Fig. 5 is a schematic cross-sectional view of the wire arranging mechanism of the present invention.

Fig. 6 is a schematic structural view of the idler bracket of the present invention.

Fig. 7 is a schematic view of the rotation direction of the wire-leading mechanism of the present invention.

The attached drawings indicate the following:

10. a circular mounting plate; 11. a shaft center hole; 20. a wire-leading mechanism; 21. a main leading wheel; 22. an auxiliary leading and taking wheel; 23. a main leading and taking wheel shaft; 24. an auxiliary leading wheel shaft; 25. a driving wheel; 26. a belt pinch roller shaft; 27. a belt pinch roller; 28. a transmission gear; 29. covering the pressing plate; 30. a hysteresis clutch device; 31. a hysteresis clutch; 311. a clutch rotating shaft; 32. a top shaft bearing seat; 321. a top shaft synchronous wheel set; 322. a first head shaft synchronizing wheel; 323. a second head shaft synchronizing wheel; 33. a first relay shaft; 331. a relay transmission wheel set; 332. a first relay wheel; 333. a second relay wheel; 334. a second drive belt; 34. a second relay shaft; 341. a third relay wheel; 342. a third drive belt; 35. a clutch synchronizing wheel set; 351. inputting a synchronizing wheel; 352. outputting a synchronizing wheel; 353. a first drive belt; 40. a wire arranging mechanism; 41. a wire guide wheel; 42. a central shaft; 43. a wire arrangement device; 431. a wire arranging rotating wheel; 432. a moving wheel; 433. a mounting frame; 434. an elastic spring; 435. a spring support; 436. a wire breaking plate; 44. a wire arranging guide rod; 45. a fixing plate; 46. a locking sleeve; 50. a first synchronization belt; 51. a second synchronous belt; 60. a guide wheel bracket; 61. mounting a plate; 62. and a corner guide wheel.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.

As shown in fig. 1-6, an improved pitch control mechanism for a high-speed wire twisting machine comprises a circular mounting disk 10 with a shaft hole 11, a lead mechanism 20, a hysteresis clutch 30 and a wire arranging mechanism 40 are annularly arranged on the circular mounting disk 10 along the shaft hole 11, a first synchronous belt 50 is arranged between the hysteresis clutch 30 and the lead mechanism 20, a second synchronous belt 51 is arranged between the hysteresis clutch 30 and the wire arranging mechanism 40, and the start operation of the equipment is realized by mutual driving of the first synchronous belt 50 and the second synchronous belt 51.

In the present embodiment, the hysteresis clutch device 30 includes a hysteresis clutch 31, a top shaft bearing seat 32, a first relay shaft 33 and a second relay shaft 34, wherein clutch rotating shafts 311 extending outward are provided at both upper and lower ends of the hysteresis clutch 31, the clutch rotating shafts 311 are driven to rotate or stop by power and torque generated by the hysteresis clutch 31, a clutch synchronizing wheel set 35 is provided on the clutch rotating shafts 311, and the torque generated by the hysteresis clutch 31 is transmitted to the lead wire mechanism 20 for forward movement of the lead wire harness through the clutch synchronizing wheel set 35.

In this embodiment, the clutch synchronizing pulley set 35 includes an input synchronizing pulley 351 and an output synchronizing pulley 352, the input synchronizing pulley 351 is disposed on the clutch rotating shaft 311 extending below the hysteresis clutch 31, the output synchronizing pulley 352 is disposed on the clutch rotating shaft 311 extending above the hysteresis clutch 31, a first synchronizing belt 50 is used between the input synchronizing pulley 351 and the lead wire mechanism 20 to transmit power and torque, and a first transmission belt 353 is disposed between the output synchronizing pulley 352 and the top shaft bearing housing 32 to transmit power.

In this embodiment, the top shaft synchronizing wheel set 321 is sleeved on the top shaft bearing seat 32, and the top shaft synchronizing wheel set 321 includes the first top shaft synchronizing wheel 322 and the second top shaft synchronizing wheel 323, the second top shaft synchronizing wheel 323 is disposed below the first top shaft synchronizing wheel 322, and is disposed at a position corresponding to the height position of the output synchronizing wheel 352 on the hysteresis clutch 31, so that the second top shaft synchronizing wheel 323 can drive the rotation motion through the first transmission belt 353, and then is transmitted to the next position through the first top shaft synchronizing wheel 322.

In this embodiment, a relay transmission wheel set 331 is further provided on the first relay shaft 33, the relay transmission wheel set 331 includes a first relay wheel 332 and a second relay wheel 333, the first relay wheel 332 is provided at the upper end of the first relay shaft 33 and is made to correspond to the height position of the first top shaft synchronizing wheel 322 on the top shaft bearing block 32, a second transmission belt 334 for transmitting power is further provided between the first relay wheel 332 and the first top shaft synchronizing wheel 322, and the second relay wheel 333 is provided at the lower end of the first relay shaft 33; the third relay gear 341 is fitted over the second relay shaft 34, the third relay gear 341 is disposed at the same height as the second relay gear 333, and a third transmission belt 342 for transmitting power is disposed between the third relay gear 341 and the second relay gear 333, so that the power torque is transmitted to the next mechanism through the third transmission belt 342 to operate.

In this embodiment, the wire arranging mechanism 40 includes a plurality of wire guiding wheels 41 for guiding the movement of the wire bundle, a central shaft 42, a wire arranging device 43 and a wire arranging guide rod 44 which are sleeved on the central shaft 42, and a wire arranging rotating wheel 431 which is sleeved with a second synchronous belt 51 is arranged on the wire arranging device 43, so that the wire arranging device 43 can generate a rotating torque through the rotation of the second synchronous belt 51, a fixing plate 45 for supporting and fixing and a bearing positioned in the fixing plate 45 are sleeved on the two side ends of the central shaft 42, so that the central shaft 42 is arranged in the bearing and can rotate, a locking sleeve 46 is further arranged at one side end of the central shaft 42 and is arranged at the outer side end of the bearing, so that the effect of locking and stabilizing is achieved, and a wire arranging belt pulley is further arranged at the other side of the central shaft 42 and is positioned at the outer side end of the bearing, so that the wire arranging belt pulley can be connected with the transmission mechanism for rotation; still through setting up several wire wheel 41 respectively on winding displacement guide arm 44 and winding displacement 43, and still be provided with a rotatory wire wheel 41 along vertical direction on the winding displacement 43, through setting wire wheel 41 to the different mounting direction of two kinds of horizontal direction and vertical direction for the pencil can be through multiple removal direction, thereby changes the motion route originally, increases the migration range.

In the actual use process, a moving wheel 432 is further arranged on one side of the upper end of the wire arranging device 43, and the moving wheel 432 is abutted against the outer end of the wire arranging guide rod 44 so as to move along the extending direction of the wire arranging guide rod 44; the mounting frames 433 for installing and fixing the wire guide wheel 41 are arranged at the two side ends of the flat cable guide rod 44, the elastic spring 434 is arranged on the mounting frame 433 at one side end of the flat cable guide rod 44, one end of the elastic spring 434 is connected to the mounting frame 433, and the other end of the elastic spring 434 is connected and fixed to the spring support 435 extending out of the fixing plate 45, so that the guide wheel at one side end can quickly return to the original position under the elastic spring 434 with the elastic reset effect; and a wire breaking plate 436 is arranged on the mounting frame 433 at the other side end of the winding displacement guide rod 44, and the wire breaking plate 436 is fixedly mounted on the mounting frame 433 and extends out of the upper part of the guide wheel, so that unqualified wire harnesses can be eliminated.

In the embodiment, the thread leading mechanism 20 comprises a main leading wheel 21, an auxiliary leading wheel 22, a main leading wheel shaft 23, an auxiliary leading wheel shaft 24 and a driving wheel 25, wherein the auxiliary leading wheel shaft 24 is arranged at one side of the main leading wheel shaft 23, the main leading wheel shaft 23 and the auxiliary leading wheel shaft 24 are both arranged below the circular mounting disc 10, and the auxiliary leading wheel shaft 24 and the top end of the main leading wheel shaft 23 penetrate through the circular mounting disc 10 to extend out and be fixed; the main drawing wheel 21 is arranged at the lower end of the main drawing wheel shaft 23, the driving wheel 25 is arranged at the upper end of the main drawing wheel shaft 23 and is positioned above the circular mounting disc 10, the auxiliary drawing wheel 22 is arranged at the lower end of the auxiliary drawing wheel shaft 24, the main drawing wheel 21 and the auxiliary drawing wheel 22 are positioned below the circular mounting disc 10 and are positioned at adjacent positions, the wiring harness is guided to move from the wheel body, the belt pressing wheel shaft 26 is arranged at the other side of the main drawing wheel shaft 23, the belt pressing wheel 27 corresponding to the clutch belt wheel set is arranged at the lower end of the belt pressing wheel shaft 26, the main drawing wheel shaft 23 is further provided with a stabilizing bearing and sleeved on the circular mounting disc 10, the transmission gear 28 is arranged between the stabilizing bearing and the main drawing wheel 21, the belt pressing wheel 27 and the input synchronizing wheel 351 of the hysteresis clutch 31 are positioned in the same horizontal axis direction, transmission belts are connected among the three for transmitting power, and the cover pressing plate 29 for covering the main drawing wheel 21 is arranged at the lower end of the main drawing wheel shaft 23.

In the present embodiment, the guide wheel bracket 60 is further provided on the circular mounting plate 10, one end of the guide wheel bracket 60 is configured to be locked on the mounting plate 61 of the circular mounting plate 10, so that the guide wheel bracket can be firmly fixed on the circular mounting plate 10, and then the other end is protruded to the axial hole 11 of the circular mounting plate 10, and the guide wheel bracket 60 is provided at the upper end thereof for guiding and rotating the wire harness.

Referring to FIG. 7: in the present embodiment, the guide wheels of the wire leading mechanism 2 used are a direction-variable auxiliary leading wheel 22 and a fixed-rotation-direction main leading wheel 21, and the fixed-rotation-direction main leading wheels 21 are two first fixed guide wheels and two second fixed guide wheels, which are respectively located on one side of the direction-variable auxiliary leading wheel 22, so that when the first fixed guide wheels and the direction-variable auxiliary leading wheel 22 are twisted counterclockwise in use, a short-distance twisting interval can be realized; when the auxiliary direction-changeable leading wheel 22 rotates clockwise, the auxiliary direction-changeable leading wheel is twisted with the second fixed guide wheel, a long-distance twisting distance can be realized, different twisting distances of wire harness twisting can be realized by matching different main leading wheels 21, the diameter of the auxiliary leading wheel 22 is 27-53mm, the diameter of the main leading wheel 21 is 27-53mm, and the specific guide wheel matching mode is shown in the following table:

the above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. An improved high-speed stranding machine pitch control mechanism comprises a circular mounting disc with an axle center hole, and is characterized in that: a lead mechanism, a hysteresis clutch device and a wire arrangement mechanism are annularly arranged on the circular mounting disc along the axial hole, a first synchronous belt is arranged between the hysteresis clutch device and the lead mechanism, and a second synchronous belt is arranged between the hysteresis clutch device and the wire arrangement mechanism;

2. An improved high speed stranding machine pitch control mechanism as claimed in claim 1 wherein: the clutch synchronizing wheel group includes input synchronizing wheel and output synchronizing wheel, and the input synchronizing wheel sets up in the clutch axis of rotation that hysteresis clutch below stretched out, and the output synchronizing wheel sets up in the clutch axis of rotation that hysteresis clutch top stretched out, adopt first synchronous belt to carry out the transmission between input synchronizing wheel and the lead mechanism, be equipped with the first driving belt who is used for transmitting power between output synchronizing wheel and apical axis bearing frame.

3. An improved high speed stranding machine pitch control mechanism as claimed in claim 2 wherein: the cover is equipped with apical axis synchronizing wheel group on the apical axis bearing frame, apical axis synchronizing wheel group includes first apical axis synchronizing wheel and second apical axis synchronizing wheel, the second apical axis synchronizing wheel is located the below of first apical axis synchronizing wheel and is set up and drive the rotation through first drive belt with the high position correspondence of output synchronizing wheel on the hysteresis lag clutch.

4. An improved high speed stranding machine pitch control mechanism as claimed in claim 3 and wherein: the first relay shaft is provided with a relay transmission wheel set, the relay transmission wheel set comprises a first relay wheel and a second relay wheel, the first relay wheel is arranged at the upper end of the first relay shaft and corresponds to the height position of a first top shaft synchronizing wheel on a top shaft bearing seat, a second transmission belt used for transmitting power is arranged between the first relay wheel and the first top shaft synchronizing wheel, and the second relay wheel is arranged at the lower end of the first relay shaft.

5. An improved high speed stranding machine pitch control mechanism according to claim 4 and further characterised in that: and a third relay wheel is sleeved on the second relay shaft, the height position of the third relay wheel is arranged at the same height of the second relay wheel, and a third transmission belt for transmitting power is arranged between the third relay wheel and the second relay wheel.

6. An improved high speed stranding machine pitch control mechanism as claimed in claim 1 wherein: the winding displacement mechanism includes that the several is used for leading wire wheel, center pin, suit row's line ware and the winding displacement guide arm on the center pin that the pencil removed, it rotates the wheel to be equipped with the winding displacement that overlaps mutually with the second hold-in range on the winding displacement ware, the both sides pot head of center pin is equipped with and is used for playing the fixed plate that the support is fixed and is located the bearing of fixed plate, one side end of center pin still is equipped with the lock sleeve and locates the outside end of bearing, the opposite side of center pin is equipped with the winding displacement belt pulley and is located the outside end of bearing, and the several wire wheel sets up respectively on winding displacement guide arm and winding displacement ware, still be provided with a wire wheel along the rotation of vertical direction on the winding displacement ware.

7. An improved high speed stranding machine pitch control mechanism according to claim 6 and further characterised in that: one side of the upper end of the wire arranging device is provided with a moving wheel which is abutted against the outer end of the wire arranging guide rod and is used for moving along the wire arranging guide rod; the wire arranging guide rod is characterized in that mounting frames for mounting and fixing wire guide wheels are arranged at two side ends of the wire arranging guide rod, an elastic spring is further arranged on the mounting frame positioned at one side end of the wire arranging guide rod, one end of the elastic spring is connected to the mounting frame, and the other end of the elastic spring is connected and fixed on a spring support extending out of the fixing plate; and the mounting frame positioned at the other side end of the flat cable guide rod is provided with a wire breaking plate which is arranged on the mounting frame and extends out of the upper part of the guide wheel.

8. An improved high speed stranding machine pitch control mechanism as claimed in claim 1 wherein: the wire leading mechanism comprises a main leading and taking wheel, an auxiliary leading and taking wheel, a main leading and taking wheel shaft, an auxiliary leading and taking wheel shaft and a driving wheel, wherein the auxiliary leading and taking wheel shaft is positioned on one side of the main leading and taking wheel shaft and arranged below the circular mounting disc, the auxiliary leading and taking wheel shaft and the top end of the main leading and taking wheel shaft penetrate through the circular mounting disc to extend and be fixed, the main leading and taking wheel is arranged at the lower end of the main leading and taking wheel shaft, the driving wheel is arranged at the upper end of the main leading and taking wheel shaft and positioned above the circular mounting disc, the auxiliary leading and taking wheel is arranged at the lower end of the auxiliary leading and taking wheel shaft, a belt pressing wheel shaft is further arranged on the other side of the main leading and taking wheel shaft, and a belt pressing wheel corresponding to the clutch belt wheel group is arranged at the lower end of the belt pressing wheel shaft.

9. An improved high speed stranding machine pitch control mechanism according to claim 8 and further characterised in that: the main leading and taking wheel shaft is further provided with a stable bearing which is sleeved on the circular mounting disc, a transmission gear is further arranged between the stable bearing and the main leading and taking wheel, and the lower end of the main leading and taking wheel shaft is further provided with a cover pressing plate which is used for covering the center of the main leading and taking wheel.

10. An improved high speed stranding machine pitch control mechanism as claimed in claim 1 wherein: the wire harness installation plate is characterized in that a guide wheel support is further arranged on the circular installation plate, one end of the guide wheel support is locked on the installation plate of the circular installation plate, the other end of the guide wheel support extends out of an axial hole of the circular installation plate, and a corner guide wheel is arranged at the upper end of the guide wheel support and used for guiding and rotating a wire harness.