CN215496183U - Electronic twisting pitch control mechanism and pair twister - Google Patents

Abstract

The utility model discloses an electronic lay length control mechanism and a pair twister, wherein the electronic lay length control mechanism comprises a bracket, a leading and taking wheel set, a driving shaft, a controller and a driving motor; the bracket is arranged on a thread outlet shaft of the pair twister, and the drawing wheel set is arranged on the bracket; the driving shaft is rotatably sleeved in the wire outlet shaft and is coaxial with the wire outlet shaft; one end of the driving shaft is connected with the drawing wheel set, and the other end of the driving shaft is connected with the output end of the driving motor; the driving motor is electrically connected with the controller, and the driving motor and the controller are arranged on the frame of the pair twister. The electronic lay length control mechanism has high precision of lay length control of the cable and stable lay length control.

Description

Electronic twisting pitch control mechanism and pair twister

Technical Field

The utility model relates to a pair twister, in particular to an electronic lay length control mechanism which has high lay length control precision and stable lay length for cables.

Background

After the pair twisting is finished, the pair twisting machine generally draws and draws out the wire through the inside and then receives the wire, so that the precision of the single twisting distance of the wire is more stable, and meanwhile, the tension of the wire receiving is well controlled. The transmission mode is drawn to inside at present and is got the motor and install in runing rest with inside, draws through converter control inside and gets the motor for inside draws gets motor lug connection and drives inside and draws and get the wheelset rotation. The mode generally comprises two modes, the first mode is that the frequency converter is also arranged in the rotating support, so that the internal leading motor is directly and conveniently connected with the frequency converter in an electrified way, but simultaneously, because the frequency converter is arranged in the rotating support, the rotating support vibrates under certain reasons, so that the fluctuation of the parameters of the frequency converter is caused, and the precision of the wire winding pitch is influenced. The second is that the converter does not install on runing rest, though can avoid the influence of vibrations, nevertheless because the converter draws with inside and gets the motor and do not install together like this, the circular telegram is connected and need be realized through electrically conductive copper ring, and electrically conductive copper ring is electrically conductive through the carbon brush friction, in case the carbon brush has wearing and tearing or contact failure also can influence the stability of converter parameter to the precision of receiving the line lay length is influenced. Therefore, the conventional internal leading transmission mode has low lay control precision and low and stable lay.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electronic lay length control mechanism which is high in lay length control precision and stable in lay length.

The utility model also aims to provide the pair twister which has high control precision of the lay length of the cable and stable lay length.

In order to achieve the purpose, the electronic lay length control mechanism provided by the utility model is used for a pair-twisted cable of a pair twister and comprises a bracket, a drawing wheel set, a driving shaft, a controller and a driving motor; the bracket is arranged on a thread outlet shaft of the pair twister, and the drawing wheel set is arranged on the bracket; the driving shaft is rotatably sleeved in the wire outlet shaft and is coaxial with the wire outlet shaft; one end of the driving shaft is connected with the drawing wheel set, and the other end of the driving shaft is connected with the output end of the driving motor; the driving motor is electrically connected with the controller, and the driving motor and the controller are arranged on the frame of the pair twister.

Compared with the prior art, the driving motor and the controller are removed from the bracket and arranged on the frame of the pair twister, and the driving shaft and the wire outlet shaft are coaxially sleeved, so that the two sides of the driving shaft are respectively connected with the extraction wheel set and the driving motor, the driving motor can drive the extraction wheel set to rotate from the outside of the twisting bow of the pair twister, and the influence of vibration generated when the bracket rotates along with the twisting bow on the parameters of the frequency converter can be avoided. Meanwhile, the controller can be directly and electrically connected with the driving motor at the outside, the traditional conductive copper ring and carbon brush friction mode is not needed, the influence on the controller is reduced to the maximum extent, the control precision of the pitch can be effectively improved, and the stability of the pitch is improved.

Preferably, a driving mechanism is arranged between the driving motor and the driving shaft, and the driving motor drives the driving shaft to rotate through the driving mechanism.

Specifically, actuating mechanism includes the action wheel, follows driving wheel and hold-in range, the action wheel connect in driving motor's output, follow driving wheel connect in the drive shaft, the hold-in range around in action wheel and follow are gone up. The driving motor and the controller are not required to be arranged on the support, so that the influence on the parameters of the controller when vibration and a conductive copper ring and a carbon brush are used is avoided, and the control precision of the lay length is effectively improved.

Preferably, the controller is a frequency converter.

A pair twister comprises a frame, a wire inlet shaft, a front guide wheel, a twisting bow, a rear guide wheel, a wire outlet shaft, a wire take-up reel assembly, a pair twisting motor and an electronic twisting distance control mechanism; the wire inlet shaft and the wire outlet shaft are rotatably arranged on the rack; the twisting bow and the take-up reel assembly are arranged between the front guide wheel and the rear guide wheel; the pair twisting motor is arranged on the rack and drives the wire inlet shaft or the wire outlet shaft to rotate; the bracket and the drawing wheel set are positioned on the inner side of a rotating area of the winch bow; the driving motor and the controller are positioned outside the rotating area of the twisting bow; the cable sequentially passes through the wire inlet shaft, the front guide wheel, the twisting bow, the rear guide wheel, the wire outlet shaft and the drawing wheel set and then is wound up through the wire winding disc assembly.

Preferably, the reel inlet shaft and the reel outlet shaft are provided with rotating plates, and two ends of the twisting bow are respectively and correspondingly connected to the rotating plates. The rotary plate can be arranged to enable the twisting bow to be assembled more conveniently and rapidly.

Preferably, a position guide wheel is arranged between the take-up reel assembly and the drawing wheel set. The position-arranging guide wheel can orderly take up the wires, so that the take-up is ensured to be tidy.

Drawings

Fig. 1 is a schematic structural view of an electronic lay length control mechanism of the present invention.

Fig. 2 is a schematic structural diagram of the pair twister of the present invention.

Detailed Description

In order to explain technical contents, structural features, and effects achieved by the present invention in detail, the following detailed description is given with reference to the embodiments and the accompanying drawings.

As shown in fig. 1 and 2, the pair twisting machine 100 of the present invention includes a frame 1, a wire inlet shaft 2, a front guide wheel 3, a twisting bow 4, a rear guide wheel 5, a wire outlet shaft 6, a take-up reel assembly 7, a pair twisting motor, and an electronic twisting distance control mechanism 9. The electronic lay control mechanism 9 comprises a bracket 91, a drawing wheel set 92, a driving shaft 93, a controller 94 and a driving motor 95; the support 91 is arranged on the outgoing line shaft 6 of the pair twister 100, and the extraction wheel set 92 is arranged on the support 91; the driving shaft 93 is rotatably sleeved in the thread outlet shaft 6 and is coaxial with the thread outlet shaft 6; one end of the driving shaft 93 extends out of one end of the outgoing shaft 6 and is connected with the drawing wheel set 92 through a belt wheel set, and the other end of the driving shaft extends out of the other end of the outgoing shaft 6 and is connected with the output end of the driving motor 95; the driving motor 95 is electrically connected to the controller 94, and the driving motor 95 and the controller 94 are disposed on the frame 1 of the pair twister 100. The wire inlet shaft 2 and the wire outlet shaft 6 are rotatably arranged on the rack 1, and the wire inlet shaft 2 and the wire outlet shaft 6 are coaxially arranged. The winch bow 4 and the take-up reel assembly 7 are arranged between the front guide wheel 3 and the rear guide wheel 5; the front guide wheel 3 is pivoted on the thread inlet shaft 2, a pivoting central shaft is vertical to the central shaft of the thread inlet shaft 2, and the front guide wheel 3 can revolve around the central shaft of the thread inlet shaft 2 and can also rotate around the central shaft of the front guide wheel. The rear guide wheel 5 is pivoted on the outgoing line shaft 6, a pivoting central shaft is vertical to a central shaft of the outgoing line shaft 6, and the rear guide wheel 5 can revolve around the central shaft of the outgoing line shaft 6 and also can rotate around the central shaft of the rear guide wheel. The pair twisting motor is arranged on the rack 1 and drives the wire inlet shaft 2 or the wire outlet shaft 6 to rotate; the bracket 91 and the picking wheel set 92 are positioned inside the rotation area of the winch bow 4; the drive motor 95 and the controller 94 are located outside the rotation region of the hoist bow 4; and the driving motor 95 and the controller 94 are disposed on the frame 1. The controller 94 is a frequency converter. The cable sequentially passes through the wire inlet shaft 2, the front guide wheel 3, the twisting bow 4, the rear guide wheel 5, the wire outlet shaft 6 and the drawing wheel set 92 and then is wound up through the wire winding disc assembly 7.

Referring to fig. 2, a driving mechanism 96 is disposed between the driving motor 95 and the driving shaft 93, and the driving motor 95 drives the driving shaft 93 to rotate through the driving mechanism 96. The driving mechanism 96 comprises a driving wheel 961, a driven wheel 962 and a synchronous belt 963, wherein the driving wheel 961 is connected to the output end of the driving motor 95, the driven wheel 962 is connected to the driving shaft 93, and the synchronous belt 963 surrounds the driving wheel 961 and the driven wheel 962; the synchronous belt 963 may be a belt, and the driving wheel 961 and the driven wheel 962 are pulleys; the timing belt 963 may be a chain, and the driving pulley 961 and the driven pulley 962 may be gears. The driving of the internal drawing wheel by the synchronous belt 963 is achieved in a mechanical structure, so that the driving motor 95 and the controller 94 do not need to be arranged on the support 91, the influence on the parameters of the controller 94 caused by vibration and the use of a conductive copper ring and a carbon brush is avoided, and the control precision of the pitch is effectively improved.

As shown in fig. 2, a rotating plate 10 is disposed on the thread inlet shaft 2 and the thread outlet shaft 6, and both ends of the twisting bow 4 are correspondingly connected to the rotating plate 10. The rotary plate 10 can be arranged to facilitate and facilitate the assembly of the hinge bow 4.

As shown in fig. 1, a position guide wheel 110 is disposed between the take-up reel assembly 7 and the take-up wheel set 92. The position guide wheel 110 can ensure that the wire collection is orderly carried out, and the wire collection is ensured to be tidy.

During pair twisting, the two cables simultaneously enter the pair twisting machine 100 and sequentially pass through the wire inlet shaft 2, the front guide wheel 3, the twisting bow 4, the rear guide wheel 5, the wire outlet shaft 6 and the drawing wheel set 92. Meanwhile, the twisting bow 4 is driven by a pair twisting motor to rotate around the central shaft of the wire outlet shaft 6, and then the two cables are twisted in pairs. Finally, the twisted cable enters the take-up reel assembly 7 under the guidance of the ranking guide wheel 110, and the take-up reel assembly 7 rotates to take up the cable under the driving of the take-up driving motor 95.

Compared with the prior art, the driving motor 95 and the controller 94 are removed from the bracket 91 and are arranged on the frame 1 of the pair twister 100, and then the driving shaft 93 and the thread outlet shaft 6 are coaxially sleeved, so that the two sides of the driving shaft 93 are respectively connected with the drawing wheel set 92 and the driving motor 95, the driving motor 95 can drive the drawing wheel set 92 to rotate from the outside of the twisting bow 4 of the pair twister 100, and the influence of vibration generated when the bracket 91 rotates along with the twisting bow 4 on the parameters of the frequency converter can be avoided. Meanwhile, the controller 94 can be directly and electrically connected to the driving motor 95 externally, and the influence on the frequency converter is reduced to the maximum extent without using the traditional conductive copper ring and carbon brush friction to realize the electric conduction mode, so that the control precision of the pitch can be effectively improved, and the stability of the pitch is improved.

The structures of the take-up wheel set 92 and the take-up reel assembly 7 related to the electronic lay length control mechanism 9 of the present invention are well known to those skilled in the art, and will not be described in detail herein.

The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the present invention, which is therefore intended to cover all equivalent changes and modifications within the scope of the present invention.

Claims (7)

1. The utility model provides an electron lay control mechanism for pair twister pair twist cable which characterized in that: comprises a bracket, a drawing wheel set, a driving shaft, a controller and a driving motor; the bracket is arranged on a thread outlet shaft of the pair twister, and the drawing wheel set is arranged on the bracket; the driving shaft is rotatably sleeved in the wire outlet shaft and is coaxial with the wire outlet shaft; one end of the driving shaft is connected with the drawing wheel set, and the other end of the driving shaft is connected with the output end of the driving motor; the driving motor is electrically connected with the controller, and the driving motor and the controller are arranged on the frame of the pair twister.

2. The electronic lay control mechanism of claim 1, wherein: and a driving mechanism is arranged between the driving motor and the driving shaft, and the driving motor drives the driving shaft to rotate through the driving mechanism.

3. The electronic lay control mechanism of claim 2, wherein: the driving mechanism comprises a driving wheel, a driven wheel and a synchronous belt, the driving wheel is connected to the output end of the driving motor, the driven wheel is connected to the driving shaft, and the synchronous belt surrounds the driving wheel and the driven wheel.

4. The electronic lay control mechanism of claim 1, wherein: the controller is a frequency converter.

5. A pair of twisting machines which characterized in that: the winding machine comprises a frame, a wire inlet shaft, a front guide wheel, a twisting bow, a rear guide wheel, a wire outlet shaft, a wire take-up reel assembly, a pair twisting motor and the electronic twisting distance control mechanism of any one of claims 1 to 4; the wire inlet shaft and the wire outlet shaft are rotatably arranged on the rack; the twisting bow and the take-up reel assembly are arranged between the front guide wheel and the rear guide wheel; the pair twisting motor is arranged on the rack and drives the wire inlet shaft or the wire outlet shaft to rotate; the bracket and the drawing wheel set are positioned on the inner side of a rotating area of the winch bow; the driving motor and the controller are positioned outside the rotating area of the twisting bow; the cable sequentially passes through the wire inlet shaft, the front guide wheel, the twisting bow, the rear guide wheel, the wire outlet shaft and the drawing wheel set and then is wound up through the wire winding disc assembly.

6. The pair twister of claim 5, wherein: the reel is characterized in that the reel inlet shaft and the reel outlet shaft are provided with rotating plates, and two ends of the twisting bow are correspondingly connected to the rotating plates respectively.

7. The pair twister of claim 5, wherein: and a position guide wheel is arranged between the take-up reel assembly and the drawing wheel set.

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