CN212832047U - Double-pitch strand twisting machine - Google Patents

Abstract

The utility model relates to the field of machining, in particular to a double-pitch stranding machine, which comprises a double-pitch stranding machine shell, a driving device and a control console, and is characterized in that the bottom of the double-pitch stranding machine shell is provided with a base, and the top of the base is provided with a lifting platform; the driving device is installed on one side of the outer portion of the double-pitch stranding machine shell and is a motor, and the double-pitch stranding machine is sequentially provided with a first main shaft, a first main shaft guide wheel, a twisting bow, a second main shaft guide wheel and a cradle frame according to the product processing sequence. The cradle frame is internally provided with a traction device, a wire arrangement device and a take-up reel, wherein the traction device comprises a wire pulling motor, a driving pulling wheel, a driven pulling wheel and a reversing wire guide wheel; the cradle frame is provided with a take-up reel, and the wire arranging device is arranged between the cradle frame and the traction device; and observation ports are also arranged on two sides of the double-pitch stranding machine shell close to the main shaft.

Description

Double-pitch strand twisting machine

Technical Field

The utility model relates to the field of machining, especially, relate to a cable processing equipment.

Background

Stranding is an essential process in cable processing, along with the continuous development and progress of science and technology, the requirement on the stranding process is higher and higher at present, the stranding processing at present is usually realized through a stranding machine, and monofilaments and strands with different specifications are produced through a plurality of combined processes of different machine tools. When the stranding machine works, the driving mechanism drives the wire inlet main shaft and the wire outlet main shaft to synchronously rotate, so that the twisting bow is driven to rotate through the twisting bow brackets arranged on the wire inlet main shaft and the wire outlet main shaft, when the twisting bow rotates for one circle, a plurality of strands of silk yarns enter from the wire inlet main shaft and then pass through the first guide wheel to complete one twisting pitch, and then pass through the twisting bow to the second guide wheel to complete the second twisting pitch. The lay length is the linear distance between the start and stop points of one revolution of the steel wire around the strand core or strand around the core when twisting or plying. The existing stranding machine is generally composed of a motor, a transmission device, a main shaft guide wheel, a cradle, a paying-off wheel, a take-up pulley and the like, wherein the main shaft of the equipment rotates for one circle, and a silk thread is stranded to produce two lay lengths, so the equipment is called a double-pitch stranding machine; at present, a stranding machine for producing cables mostly has the problem that the cables are easy to bend and even break in the processing process, and finally the processing efficiency of the cables is low. Taking the utility model with application number 201821577716.8 as an example, the utility model comprises a main shaft, a main shaft pulley, a flywheel disc, a wire passing wheel and a cradle, a driving belt pulley, a gearbox, a multi-groove guide wheel, a balance guide wheel, a straightening mechanism, a take-up mechanism and a wire arranging mechanism are further arranged in the cradle, the wire twisting machine is timely adjusted by the wireless meter mechanism when the wire arrangement is in problem, but the wire arrangement mechanism cannot adjust the width of the wire arrangement because the stroke of the wire arrangement device used by the wire arrangement mechanism is fixed and cannot be adjusted when the wire arrangement mechanism works, the wire pressing phenomenon is easy to occur when the wire arrangement is carried out, and the relative position and the wire arranging speed of the wire arrangement device cannot be adjusted by the utility model, so that the problems of unsmoo; during processing, the torque fluctuation is large, and the silk threads are easy to slip and twist early, so that the processed products are bent and even broken.

SUMMERY OF THE UTILITY MODEL

The utility model aims to remedy prior art's defect, provide a double-pitch strand twisting machine to solve the cable and appear crooked cracked phenomenon even easily in the course of working, lead to the problem that cable machining efficiency is low at last.

Specifically, the technical scheme of the utility model is that:

a double-pitch stranding machine is used for stranding a plurality of single silk threads into one strand; comprises a double-pitch stranding machine shell, a driving device and a control console; the driving device is fixedly arranged on one side of the outer part of the double-pitch stranding machine shell and is controlled to be switched by the control console; the double-pitch stranding machine is characterized in that the double-pitch stranding machine shell is sequentially provided with a first main shaft, a twisting bow, a second main shaft and a cradle frame according to the sequence of stranding the silk threads into strands, wherein the first main shaft and the second main shaft are respectively provided with a first main shaft guide wheel and a second main shaft guide wheel which are used for adjusting the transmission direction of the silk threads; the twisting bow is supported by a twisting bow support, and the twisting bow support is arranged at the end parts of the first main shaft and the second main shaft; two sides of the cradle frame are respectively connected with the first main shaft and the second main shaft; the cradle frame is internally provided with a traction device, a wire arranging device and a wire collecting disc, the wire arranging device is arranged between the traction device and the wire collecting disc, and the wire arranging device comprises a wire arranging device, a wire arranging device guide wheel and a wire arranging device support arranged on the cradle frame; the wire arranging device support is provided with a screw rod and a polished rod, the wire arranging device is sleeved on the polished rod and moves along the axial direction of the polished rod, a plurality of rolling bearing rings are arranged inside the wire arranging device, and the rolling bearing rings are used for enabling the rolling bearing rings to move horizontally by means of friction force between the rolling bearing rings and the polished rod so as to drive the wire arranging device to arrange wires; the lead screw is provided with a reversing stop block for adjusting the width of the wire arrangement, the bottom of the wire arrangement device is provided with a reversing arm matched with the reversing stop block for changing the movement direction of the wire arrangement device, the wire arrangement device is provided with a release handle, and the wire arrangement device can be separated from the polished rod by rotating the release handle, so that the relative position of the wire arrangement device on the polished rod can be adjusted; the traverse is also provided with a speed regulating dial for regulating the reciprocating speed of the traverse along the axial movement of the polish rod so as to control the tension during traverse.

Furthermore, the traction device comprises a wire traction motor, a driving traction wheel, a driven traction wheel and a reversing wire guide wheel, wherein the wire traction motor is connected with the driving traction wheel through a synchronous belt. The traction device can adjust the advancing direction of the silk thread, so that the silk thread advances according to a preset route, and the phenomenon of bending and breaking of the silk thread is avoided.

Further, take-up reel department is connected with a inching control system, inching control system includes a inching button for through inching control's mode control the take-up reel begins or stops receiving the line, when finding the receipts line of silk thread to go wrong, can shut down at once, prevents that it from appearing crooked or even cracked phenomenon.

Furthermore, the twisting bow comprises an inlet wire twisting bow and a balance weight twisting bow, a plurality of wire passing dies and a traction guide wheel are uniformly arranged inside the inlet wire twisting bow, the inlet wire twisting bow plays a role of twisting wires, the balance weight twisting bow plays a role of balancing the inlet wire twisting bow, and the wire passing dies and the traction guide wheel enable the wiring to be smoother.

Furthermore, a sound insulation layer is further arranged inside the double-pitch stranding machine shell, so that noise generated in the working process of the double-pitch stranding machine can be reduced.

Furthermore, the soundproof layer is a plurality of layers of aluminum-plastic plates filled with soundproof cotton, and the aluminum-plastic plates are lower in price compared with other materials and have excellent enough soundproof effect.

Furthermore, the wire pulling motor is connected with an external meter, and is controlled by a PLC system, the external meter is used for collecting data, and the rotating speed of the wire pulling motor is regulated and controlled through a control program of the PLC system, so that the lay length of the double-pitch stranding machine can be controlled.

Furthermore, the take-up reel is connected with a locking device, the locking device comprises a limiting pin, a locking handle and a screw rod thimble, and the locking device can lock the take-up reel so as to fix the take-up reel in the cradle frame.

Further, a mold is arranged between the traction device and the second main shaft, and the mold can be replaced according to the size of a product to be processed, so that the shape characteristic of the silk thread is changed.

Furthermore, the take-up reel adopts a large reel head with the diameter of 400, and can bear more silk threads.

The base is installed to bipitch strander casing bottom, be equipped with a elevating platform on the base, take-up reel bottom with the elevating platform is connected. Through the elevating platform can control the lift of take-up reel, it is convenient the dismantlement and the change of take-up reel.

Furthermore, two sides of the double-pitch stranding machine shell close to the first main shaft and the second main shaft are respectively provided with an observation port, and the double-pitch stranding machine shell is provided with a protective door with a visible window. The silk thread processing condition can be observed through the observation port and the visual window on the protective door.

The utility model has the advantages that the wire arranging device is provided with a reversing stop block through the lead screw, and the bottom of the wire arranging device is provided with a reversing arm matched with the reversing stop block, so that when the wire arranging device moves to the limit position of the reversing stop block, the reversing arm collides with the reversing stop block, the moving direction of the wire arranging device is changed, the width of the wire arranging device can be adjusted, the wire arranging device is ensured not to exceed the maximum value of the wire arranging width during working while the wire processing efficiency is ensured, and the phenomenon that wires are pressed mutually in the processing process is avoided; the traverse is provided with a speed regulating dial, and a pointer on the speed regulating dial can be stirred to regulate the reciprocating speed of the traverse on the axis of the polished rod, so that the tension during traverse is controlled, and the phenomenon of bending and even breaking is avoided; moreover, the twisting bow, the first main shaft guide wheel, the second main shaft guide wheel, the traction device and the wire arranging device are matched with each other, so that the wiring and the winding of the silk threads in the machine are smoother, the silk threads pass through a preset wiring track in the whole process, the wire winding percent of pass is high, the silk threads are not easy to bend and break, and the processing efficiency of twisting the silk threads into the rope is further improved.

When the fact that the winding is abnormal is found, the winding can be instantly stopped through the inching control system connected to the winding disc, the phenomenon that the winding is bent or even broken is further prevented, and therefore the processing efficiency of twisting the silk threads into the rope is improved.

Drawings

Fig. 1 is a schematic view of an external structure of a double-pitch stranding machine according to a first embodiment.

Fig. 2 is a schematic structural diagram of an internal working area of the double-pitch stranding machine provided by the first embodiment.

Fig. 3 is a schematic structural diagram of a cable arranging device according to a first embodiment.

Fig. 4 is an enlarged view of the area a of the traverse device in fig. 2 according to the first embodiment.

In the figure: the device comprises a stranding machine shell 1, a driving device 2, a control console 3, a first main shaft 4, a first main shaft guide wheel 5, a twisting bow support 6, a twisting bow 7, a wire inlet twisting bow 7a, a counterweight twisting bow 7b, a wire passing die 8, a traction guide wheel 9, a second main shaft 10, a second main shaft guide wheel 11, a die 12, a wire traction motor 13, a driving traction wheel 14, a driven traction wheel 15, a reversing wire guide wheel 16, a wire arranging device 17, a cradle 18, a wire collecting disc 19, a locking device 20, a wire arranging device 21, a wire arranging device support 22, a polished rod 23, a lead screw 24, a reversing stop dog 25, a speed regulating dial 26, a release handle 27, a wire arranging device guide wheel 28 and a reversing arm 29.

Detailed Description

The embodiments described below are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present embodiment provides a dual-pitch stranding machine, including a dual-pitch stranding machine housing 1, a driving device 2 and a console 3; the driving device 2 is fixedly installed on one side of the outer portion of the double-pitch stranding machine shell 1, the driving device 2 is a motor, and the motor provides power for the double-pitch stranding machine to drive the first main shaft 4, the second main shaft 10 and the cradle 18 to rotate; in this embodiment, the silk thread enters the working area of the double-pitch stranding machine from the central hole of the first main shaft 4, passes through the first main shaft guide wheel 5 and then enters the twisting bow 7, the twisting bow 7 comprises an inlet wire twisting bow 7a and a counterweight twisting bow 7b, the two twisting bows are symmetrically arranged, and the positions of the inlet wire twisting bow 7a and the counterweight twisting bow 7b can be interchanged; the inlet wire twisting bow 7a plays a role of twisting wires, and the counterweight twisting bow 7b plays a role of balancing weights for the inlet wire twisting bow 7 a; the wire inlet twisting bow 7a and the counterweight twisting bow 7b are both supported by a twisting bow bracket 6, and the twisting bow bracket 6 is arranged at the end parts of the first main shaft 4 and the second main shaft 10; a plurality of wire passing dies and a traction guide wheel are uniformly arranged in the wire inlet twisting bow, so that an entering silk thread can be fed according to a planned route; then, the wire enters the cradle 18 through the second main shaft guide wheel 11 and the central hole of the second main shaft 10, the cradle 18 comprises a traction device, a wire arrangement device 17 and a wire take-up reel 19, a mold 12 is arranged between the traction device and the second main shaft 10, after the wire enters the mold 12 from the central hole of the second main shaft 10, the shape characteristic of the wire can be changed according to the size of the mold 12, and the mold 12 can be changed according to the size of a product required to be processed. Then, the silk thread enters the traction device, and the traction device comprises a thread-drawing motor 13, a driving drawing wheel 14, a driven drawing wheel 15 and a reversing thread-passing guide wheel 16; the wire pulling motor 13 drives the driving leading wheel 14, the driven leading wheel 15 and the reversing wire passing guide wheel 16 to do circular motion, so that the silk threads enter the wire arranging device 17 through a preset track, the wire pulling motor 13 is also connected with an external meter, the external meter is controlled by a PLC system, the external meter is used for collecting data, and the rotating speed of the wire pulling motor 13 is regulated and controlled through a control program of the PLC system, so that the lay length of the double-pitch stranding machine can be controlled; further, the silk thread enters the thread arranging device 17 through the traction device, referring to fig. 3 and 4, the thread arranging device 17 comprises a thread arranging device 21, a thread arranging device guide wheel 28 and a thread arranging device bracket 22 arranged on the cradle 18; the wire arranging device support 22 is provided with a screw rod 24 and a polished rod 23, the wire arranging device 21 is arranged at the top of the polished rod 23, and a plurality of rolling bearing rings are arranged inside the wire arranging device; the wire arranging device 21 adopts the wire arranging principle that power is transmitted to a rolling bearing ring in contact with the polished rod 23 through the rotation of the polished rod 23, and the rolling bearing ring horizontally moves by means of the friction force between the rolling bearing ring and the polished rod 23 so as to drive the wire arranging device 21 to arrange wires; the lead screw 24 is provided with a reversing stop 25 capable of adjusting the wire arrangement width, the bottom of the wire arrangement device 21 is provided with a reversing arm 29 matched with the reversing stop 25, when the wire arrangement device 21 moves to the limit position, the reversing stop 25 collides with the reversing arm 29, the inclination direction of the rolling bearing ring can be changed, and therefore the moving direction is changed. A release handle 27 is arranged on the wire arranging device 21, and the wire arranging device 21 can be separated from the polish rod 23 by rotating the release handle 27, so that the horizontal position of the wire arranging device 21 is adjusted; still be equipped with a speed governing calibrated scale 26 on the winding displacement ware 21, under the prerequisite that does not change polished rod 23 rotational speed, only need stir pointer point on the speed governing calibrated scale 26, can adjust the winding displacement ware 21 is in reciprocal speed in polished rod 23 axis direction can set for 0 ~ 16 pitch value. After the silk threads pass through the wire arranging device 17, the silk threads enter the wire collecting disc 19 under the traction of the guide wheel of the wire arranging device, and the wire collecting work is completed. The take-up reel 19 adopts a large reel head, can bear more yarn, increases the tape threading amount of a unit reel head, reduces the reel changing times and improves the efficiency, a inching control system is connected at the take-up reel 19 and is controlled by a inching button on the console 3, when the inching button is pressed, the take-up reel 19 starts to take up, and when the inching button is released, the take-up reel 19 stops working immediately; when the problem of take-up of the silk thread is found, the machine can be stopped immediately, and the phenomenon of bending and even breaking of the silk thread is prevented. The take-up reel 19 is connected with a locking device 20, the locking device 20 comprises a limiting pin, a locking handle and a screw rod thimble, the bottom of the take-up reel 19 is connected with the lifting platform, the locking device 20 can be matched with the lifting platform to adjust and lock the position of the take-up reel, the take-up reel 19 can be conveniently detached and replaced, and the qualified rate of the take-up of silk threads is further improved. Preferably, a sound insulation layer is further arranged inside the double-pitch stranding machine shell 1, and the sound insulation layer is a plurality of layers of aluminum-plastic plates filled with sound insulation cotton, so that noise generated by a machine can be effectively weakened; further, be equipped with a guard gate that has visual window on the double-pitch stranding machine casing 1, double-pitch stranding machine casing 1 is close to first main shaft 4 with the both sides of second main shaft 10 still are provided with an observation port respectively, can also observe the working condition of machine when protecting operating personnel.

The utility model has compact structure, excellent qualification rate of the processing silk thread, difficult occurrence of bending deformation and even fracture, and high processing efficiency; the twisting machine has the advantages of high automation degree, normal operation by only a small amount of manual operation, low noise and suitability for twisting various silk threads.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.

Claims (12)

1. A double-pitch stranding machine is used for stranding a plurality of single silk threads into one strand; comprises a double-pitch stranding machine shell, a driving device and a control console; the driving device is fixedly arranged on one side of the outer part of the double-pitch stranding machine shell and is controlled to be switched by the control console; the double-pitch stranding machine is characterized in that the double-pitch stranding machine shell is sequentially provided with a first main shaft, a twisting bow, a second main shaft and a cradle frame according to the sequence of stranding the silk threads into strands, wherein the first main shaft and the second main shaft are respectively provided with a first main shaft guide wheel and a second main shaft guide wheel which are used for adjusting the transmission direction of the silk threads; the twisting bow is supported by a twisting bow support, and the twisting bow support is respectively arranged at the end parts of the first main shaft and the second main shaft; two sides of the cradle frame are respectively connected with the first main shaft and the second main shaft; the cradle frame is internally provided with a traction device, a wire arranging device and a wire collecting disc, the wire arranging device is arranged between the traction device and the wire collecting disc, and the wire arranging device comprises a wire arranging device, a wire arranging device guide wheel and a wire arranging device support arranged on the cradle frame; the wire arranging device support is provided with a screw rod and a polished rod, the wire arranging device is sleeved on the polished rod and moves along the axial direction of the polished rod, a plurality of rolling bearing rings are arranged inside the wire arranging device, and the rolling bearing rings are used for enabling the rolling bearing rings to move horizontally by means of friction force between the rolling bearing rings and the polished rod so as to drive the wire arranging device to arrange wires; the lead screw is provided with a reversing stop block for adjusting the width of the wire arrangement, the bottom of the wire arrangement device is provided with a reversing arm matched with the reversing stop block for changing the movement direction of the wire arrangement device, the wire arrangement device is provided with a release handle, and the wire arrangement device can be separated from the polished rod by rotating the release handle, so that the relative position of the wire arrangement device on the polished rod can be adjusted; the traverse is also provided with a speed regulating dial for regulating the reciprocating speed of the traverse along the axial movement of the polish rod so as to control the tension during traverse.

2. The double-pitch stranding machine according to claim 1, wherein the traction device comprises a wire traction motor, a driving traction wheel, a driven traction wheel and a reversing wire guide wheel, and the wire traction motor is connected with the driving traction wheel through a synchronous belt.

3. The double-pitch stranding machine according to claim 1, wherein a inching control system is connected to the take-up reel and comprises a inching button for controlling the take-up reel to start or stop taking-up in a inching control mode.

4. The double-pitch stranding machine according to claim 1, wherein the stranding bow comprises an incoming stranding bow and a counterweight stranding bow, and the threading dies and the traction guide wheels are uniformly arranged in the incoming stranding bow.

5. A twin-pitch strander as claimed in claim 1 wherein an acoustic insulation is provided within the housing of the twin-pitch strander.

6. The double-pitch stranding machine according to claim 5, wherein the sound insulation layer is a plurality of layers of aluminum-plastic plates filled with sound insulation cotton.

7. The double-pitch stranding machine according to claim 2, characterized in that the wire pulling motor is connected with an external meter counter and is controlled by a PLC system.

8. The double-pitch stranding machine according to claim 1, wherein the take-up reel is connected with a locking device, and the locking device comprises a limiting pin, a locking handle and a screw rod thimble.

9. A twin pitch strander as defined in claim 1 wherein a die is provided between the pulling means and the second spindle, the die being replaceable according to the size of the product to be worked.

10. The double-pitch stranding machine according to claim 1, characterized in that the take-up reel is a large-sized reel head.

11. The double-pitch stranding machine according to claim 1, wherein a base is mounted at the bottom of a shell of the double-pitch stranding machine, a lifting table is arranged on the base, and the bottom of the take-up reel is connected with the lifting table.

12. The double-pitch stranding machine according to claim 1, wherein a viewing port is further formed in the double-pitch stranding machine shell on two sides of the first main shaft and the second main shaft, and a protective door with a visible window is arranged on the double-pitch stranding machine shell.

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