CN116752364A - Four-monofilament steel cord stranding machine tool - Google Patents

Abstract

The application belongs to the technical field of steel cord production, and particularly relates to a four-monofilament steel cord stranding machine tool. The machine tool comprises a core machine stranding component, a first traction component, an over-twisting component, a main machine stranding component, a core machine transmission structure, a main machine transmission structure, a second traction component, a straightener and a wire winding machine. The application can realize the production of four-monofilament steel cord series products by adopting one set of equipment, and greatly improves the production efficiency of the steel cords.

Description

Four-monofilament steel cord stranding machine tool

Technical Field

The application belongs to the technical field of steel cord production, and particularly relates to a four-monofilament steel cord stranding machine tool.

Background

The steel cord is a material required in the manufacture of rubber tires and is formed by twisting a plurality of steel wires on a stranding machine, and the stranding machine is generally divided into a wire collecting part, a traction part, a main machine stranding part and a core machine stranding part.

Currently, two-step forming processes are used to produce four-filament steel cord (e.g., 2420UT, 2422 series, 0422 series) products. Firstly, a stranding machine is used for producing a core wire, and then the core wire and the other 4 monofilaments are twisted again to produce a finished product. The production mode needs to use 2 sets of stranding machine tools, the running speed of the machine tools is not high, and meanwhile, the middle circulation is increased; greatly reduces the production efficiency of the steel cord.

Disclosure of Invention

In order to solve the defects in the prior art, the application provides the four-monofilament steel cord stranding machine tool, one set of equipment can realize the production of four-monofilament steel cord series products, and the production efficiency of the steel cords is greatly improved.

In order to solve the defects in the prior art, the technical scheme provided by the application is as follows:

a four-monofilament steel cord stranding machine tool comprises a core machine stranding component, a first traction component, an over-twisting component, a main machine stranding component, a core machine transmission structure, a main machine transmission structure, a second traction component, a straightener and a wire winding machine;

the core machine stranding component is used for forming a core wire; the core machine transmission structure is used for driving the two core machine spindles of the core machine stranding component to synchronously rotate;

the first traction component is used for adjusting the tension of the core wire;

the main machine stranding component is used for stranding the core wire with the tension adjusted and the four monofilaments to form a four-monofilament steel cord; the host transmission structure is used for driving two host spindles of the host stranding component to synchronously rotate;

the over-twisting component is used for twisting the four-monofilament steel cord;

the second traction component is used for traction the four-monofilament steel cord twisted by the over-twisting component to the straightener;

the straightener is used for removing the stress of the four-monofilament steel cords;

the wire winding machine is used for winding the four-monofilament steel cord with stress removed.

Preferably, the first traction component comprises a first traction bracket, a first traction upper wheel, a first traction wheel shaft, a friction disc, a first traction wheel shaft seat, a first traction lower wheel, an adjusting screw, a tension spring and a friction belt;

the first traction wheel axle seat is fixedly connected with the first traction support;

the first traction wheel shaft is rotationally connected with the first traction wheel shaft seat;

the friction disc and the first traction upper wheel are sleeved on the first traction wheel shaft and fixedly connected with the first traction wheel shaft, the friction disc is positioned at the inner side of the first traction upper wheel, and the friction disc and the first traction upper wheel synchronously rotate;

one end of the friction belt is fixed with the first traction bracket, the other end of the friction belt bypasses the lower side surface of the friction disc and is connected with one end of the tension spring, and the other end of the tension spring is fixed with the first traction bracket through the adjusting screw;

the first traction lower wheel is positioned at the lower side of the first traction upper wheel and is rotationally connected with the first traction bracket;

and the core wires output by the stranding component of the core machine are output to the stranding component of the main machine after tension is regulated by the first traction upper wheel and the first traction lower wheel.

Preferably, the core machine transmission structure comprises a core machine servo motor, a core machine belt wheel I, a core machine synchronous belt I, two core machine belt wheels II, a core machine transmission shaft seat, a core machine belt wheel III and a core machine transmission shaft;

the core machine servo motor is in transmission connection with the first belt wheel of the core machine;

the first core machine belt wheel drives the third core machine belt wheel arranged on the transmission shaft of the core machine to rotate through the first core machine synchronous belt;

the core machine transmission shaft is arranged on the core machine transmission shaft seat, and two ends of the core machine transmission shaft are respectively connected with two belt wheels II of the core machine;

and the second core machine belt wheel is respectively connected with the two core machine spindles of the core machine stranding component in a transmission way.

Preferably, the host transmission structure comprises a host servo motor, a host belt pulley I, a host synchronous belt I, two host belt pulleys II, a host transmission shaft seat, a host belt pulley III and a host transmission shaft;

the host servo motor is in transmission connection with the host belt pulley I;

the first main machine belt pulley drives the third main machine belt pulley arranged on the main machine transmission shaft to rotate through the first main machine synchronous belt;

the main machine transmission shaft is arranged on the main machine transmission shaft seat, and two ends of the main machine transmission shaft are respectively connected with two main machine belt pulleys II;

and the second main machine belt pulley is respectively connected with the two main machine spindles of the main machine stranding part in a transmission way.

Preferably, a core machine bow belt is arranged on a core machine flywheel disc of the core machine stranding component.

Preferably, a main engine bow belt is arranged on a main engine flywheel disc of the main engine stranding component.

Preferably, the main machine stranding component comprises a wire distributing disc;

the wire distributing disc comprises a wire distributing disc support, four wire distributing guide wheels, four wire distributing guide wheel supports, four deformers, a wire collecting nozzle and a wire pressing die;

the wire distributing disc support comprises a first support, a second support and a third support which are arranged in sequence and vertically;

the line pressing die is connected with the third bracket;

the first bracket is provided with a core wire hole which is convenient for the core wire to pass through;

the branching guide wheel brackets are connected with the first bracket and are symmetrically arranged, the two branching guide wheel brackets are positioned above, and the two branching guide wheel brackets are positioned below;

the core wire hole is positioned at the center of the four branching guide wheel brackets;

the branching guide wheels are respectively and rotationally connected with the four guide wheel brackets and are symmetrically arranged, and the central axis of each branching guide wheel forms an included angle with the vertical direction;

the deformers are respectively and rotationally connected with the four guide wheel brackets and are symmetrically arranged, the deformers are positioned between the bracket I and the branching guide wheel, the upper two deformers incline inwards and incline upwards, the lower two deformers incline inwards and incline downwards, the deformers are in a round bar shape, and the central axes of the deformers are vertical to the central axes of the adjacent branching guide wheels;

the wire collecting nozzle is connected with the second bracket and is opposite to the core wire hole;

the monofilaments sequentially pass through the branching guide wheel and the deformer, then are wound on the core wire in the wire collecting nozzle to form four-monofilament steel cords, and the four-monofilament steel cords are primarily twisted by the wire pressing die and then are sent to the over-twisting component.

Preferably, the second traction component comprises a second traction motor, a coupling, a traction wheel bracket, an upper traction wheel and a lower traction wheel;

the upper traction wheel and the lower traction wheel are connected with the traction wheel bracket;

the second traction motor drives the lower traction wheel to rotate through the coupler;

the lower traction wheel drives the upper traction wheel to rotate through four monofilament steel cords wound on the upper traction wheel and the lower traction wheel.

Preferably, the second traction motor is a servo motor.

Preferably, the second traction component is further provided with a hand clamping prevention component.

The application has the beneficial effects that:

the four-monofilament steel cord stranding machine tool provided by the application optimizes the machine tool structure, can realize the production of four-monofilament steel cord series products by one set of equipment, and greatly improves the production efficiency of the steel cords.

According to the application, the speed of the traction servo motor, the speed of the main machine servo motor and the speed of the core machine servo motor are directly regulated, so that the adjustment of the twisting distance of the steel cord can be accurately realized, and the quality of the four-monofilament steel cord is improved.

Drawings

FIG. 1 is a front view of a four-filament steel cord stranding machine provided by the present application;

FIG. 2 is a top view of the four-filament steel cord stranding machine provided by the present application;

FIG. 3 is a top view of a host stranding component provided in accordance with the present application;

fig. 4 is a front view of a distribution board provided by the application;

fig. 5 (a) is a top view of a distribution board provided by the present application;

FIG. 5 (b) is an arrangement of the branching guide rollers provided by the present application;

FIG. 5 (c) is a schematic diagram of a deformer provided by the present application;

FIG. 6 is a top view of a stranding component of the core machine provided by the present application;

FIG. 7 is a top view of a core machine drive structure provided by the present application;

FIG. 8 is a schematic view of an over-lay member provided by the present application;

FIG. 9 is a schematic illustration of a second traction member provided by the present application;

FIG. 10 is a front view of a first traction member provided by the present application;

FIG. 11 is a cross-sectional view of a first traction member provided by the present application;

wherein, 1, a wire winding machine, 2, a straightener,

3. a second traction component 25, a second traction motor 26, a coupling, 27, a traction wheel bracket 28, a hand clamping prevention component 291, an upper traction wheel 292, a lower traction wheel,

4. the over-twisting component 30, the three-groove over-twister 31, the over-twister bracket 32, the over-twisting servo motor 33, the over-twisting belt wheel I, 34, the over-twisting synchronous belt 35 and the over-twisting belt wheel II,

5. host stranding component 8, host spindle 511, host spindle seat 12, host bow strap 514, host spool 15, host cradle bottom plate 42, host flywheel disk,

13. the wire distributing disc, 36, the wire distributing disc bracket, 361, the bracket I, 3611, the core wire hole, 362, the bracket II, 363, the bracket III, 37, the wire distributing guide wheel, 371, the deformer, 372, the wire distributing guide wheel bracket, 38, the wire collecting nozzle, 39 and the wire pressing die,

6. the stranding component of the core machine, 10 parts of the spindle of the core machine, 11 parts of the spindle seat of the core machine, 14 parts of the spool wheel of the core machine, 16 parts of the bow band of the core machine, 17 parts of the cradle bottom plate of the core machine, 41 parts of the flywheel disc of the core machine,

7. an electric control cabinet is arranged on the upper surface of the cabinet,

9. the first traction component 910, the first traction bracket 901, the first traction upper wheel 902, the first traction wheel shaft 903, the friction disk 904, the first traction wheel shaft seat 905, the first traction lower wheel 906, the adjusting screw, 907, the tension spring 908, the broken copper sheet 909, the friction belt,

43. a monofilament; 44. a core wire; 45. a four-filament steel cord;

18. the servo motor of the core machine, 19, the belt wheel of the core machine, 20, the synchronous belt of the core machine, 21, the belt wheel of the core machine, 22, the transmission shaft seat of the core machine, 23, the belt wheel of the core machine, 24 and the transmission shaft of the core machine.

Detailed Description

The application is further described below in connection with embodiments. The following embodiments are only for more clearly illustrating the technical aspects of the present application, and should not be used to limit the scope of the present application.

In the description of the present application, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The embodiment of the application provides a four-monofilament steel cord stranding machine, which is shown in fig. 1 and 2 and comprises a core stranding component 6, a first traction component 9, an over-twisting component 4, a main machine stranding component 5, a core machine transmission structure, a main machine transmission structure, a second traction component 3, a straightener 2 and a wire winding machine 1. Specifically, the core machine stranding element 6 is used to form the core wire 44; the core machine transmission structure is used for driving the two core machine spindles 10 of the core machine stranding component 6 to synchronously rotate; the first traction member 9 is for adjusting the tension of the core wire 44; the main twisting part 5 is used for twisting the core wire 44 after tension adjustment and the four monofilaments 43 to form a four-monofilament steel cord 45; the main machine transmission structure is used for driving the two main machine main shafts 8 of the main machine stranding part 5 to synchronously rotate; the over-twisting component 4 is used for twisting the four-monofilament steel cord 45 and removing the internal stress of the steel cord; the second traction component 3 is used for dragging the four-monofilament steel cord 45 twisted by the over-twisting component 4 to the straightener 2; the straightener 2 is used for removing the stress of the four-monofilament steel cords 45; the wire rewinding machine 1 is used for winding up the stress-removed four-filament steel cord 45.

Referring to fig. 8, the over-twisting part 4 adopts the existing over-twisting equipment, and comprises a three-groove over-twister 30, an over-twister bracket 31, an over-twisting servo motor 32, an over-twisting belt wheel one 33, an over-twisting synchronous belt 34 and an over-twisting belt wheel two 35. The three-groove over-twister 30 is connected to an over-twister bracket 31 by a screw. The over-twisting servo motor 32 is connected with the over-twister bracket 31, an output shaft is in transmission connection with the over-twisting belt wheel I33, the over-twisting belt wheel I33 drives the over-twisting belt wheel II 35 to rotate through the over-twisting synchronous belt 34, and the over-twisting belt wheel II 35 is connected with an over-twisting shaft of the three-groove over-twister 30 through a screw rod to drive the over-twisting shaft to rotate.

The core machine stranding part 6 and the main machine stranding part 5 are mutually independent, and the shells or the supports of the core machine stranding part 6 and the main machine stranding part are connected through screws.

Referring to fig. 6, the main structure of the stranding part 6 of the core machine adopts the prior art, and comprises two main shaft seats 11 of the core machine, two main shafts 10 of the core machine, which are arranged on the main shaft seats 11 of the core machine and are driven by a transmission structure of the core machine, a flywheel disc 41 of the core machine, which is connected with the main shafts 10 of the core machine, and a core machine cradle (comprising a cradle bottom plate 17 of the core machine, two pay-off seats, two core machine spool wheels 14 with the diameter of 200mm, etc.). According to the application, on the basis of the existing structure, the two core machine bow belts 16 are additionally arranged on the core machine flywheel disc 41, the core machine bow belts 16 rotate together with the core machine flywheel disc 41 under the drive of the core machine main shaft 10, so that a core machine cradle is enclosed inside, monofilaments and core wire arc heights can be stabilized, the overall safety of the core machine stranding part 6 is improved, and under the condition, the paying-off speed of the core machine spool 14 can be increased, and the generation efficiency is further improved. The core bow 16 is made of spring steel.

Referring to fig. 3, the main structure of the main stranding component 5 of the present application includes two main spindle bases 511, two main spindles 8 mounted on the main spindle bases 511 and driven by a main transmission structure, a main flywheel disc 42 connected to the main spindle 8, and a main cradle (including a main cradle bottom plate 15, four pay-off bases, four main spool 514 with a diameter of 200mm, a distribution board 13 located in the middle of the four main spool 514, etc.) located between the two main flywheel discs 42.

According to the application, on the basis of the existing host stranding part 5, the two host bow belts 12 are additionally arranged on the host flywheel disc 42, the host bow belts 12 rotate together with the host flywheel disc 42 under the drive of the host main shaft 8, so that a host cradle is enclosed inside, the arc heights of monofilaments and steel cords can be stabilized, the overall safety of the host stranding part 5 is improved, and under the condition, the paying-off speed of the host spool 514 can be increased, and the generation efficiency is further improved. The main machine bow 12 is made of spring steel.

The application improves a wire distribution disc 13 based on the existing host machine stranding part 5, and referring to fig. 4, 5 (a), 5 (b) and 5 (c), the wire distribution disc 13 comprises a wire distribution disc bracket 36, four wire distribution guide wheels 37, four wire distribution guide wheel brackets 372, four deformers 371, a wire collecting nozzle 38 and a wire pressing die 39. The line distribution board bracket 36 comprises a bracket I361, a bracket II 362 and a bracket III 363 which are arranged vertically in sequence. The crimping die 39 is connected with a third bracket 363. The first holder 361 is provided with a core hole 3611 for allowing the core wire 44 to pass therethrough. Four split guide brackets 372 are connected to bracket one 361, symmetrically disposed, two above and two below, and core wire hole 3611 is located at the center of four split guide brackets 372. The four branch guide wheels 37 are respectively connected with the four guide wheel brackets 372 in a rotating way, the four branch guide wheels 37 are symmetrically arranged, two branch guide wheels are located above and two branch guide wheels are located below, and the central axis of each branch guide wheel 37 forms an included angle of 45 degrees with the vertical direction. The four deformers 371 are respectively connected with the four guide wheel brackets 372 in a rotating mode, are symmetrically arranged, the two deformers 371 above are inclined inwards and obliquely upwards, the two deformers 371 below are inclined inwards and obliquely downwards, the deformers 371 are located between the first bracket 361 and the branching guide wheel 37, the deformers 371 are in a round rod shape, the outer ends of the deformers 371 are provided with limiting parts, and the central axes of the deformers 371 are perpendicular to the central axes of the adjacent branching guide wheels 37. The hub 38 is connected to the second bracket 362 opposite the core hole 3611. The monofilaments 43 entering the wire distributing disc 13 sequentially pass through the wire distributing guide wheel 37 and the deformer 371, the four monofilaments 43 and the core wire 44 are fed into the wire collecting nozzle 38, the four monofilaments 43 are wound on the core wire 44 in the wire collecting nozzle 38 to form four-monofilament steel cords 45, and the four-monofilament steel cords 45 are primarily twisted by the wire pressing die 39 and then fed into the over-twisting part 4. The distribution board 13 can uniformly distribute 4 monofilaments. The deformer can increase the twisting effect of the four-filament steel cord. Crimping dies (0.68 mm, 0.8mm, 1.15mm and the like) with different diameters and deformers (5 mm, 6mm and the like) with different diameters can be selected according to the specifications of the four-monofilament steel cord.

In an alternative embodiment of the application, the first traction means 9 comprises. Referring to fig. 1, a first pulling member 9 is arranged inside the frame of the core twisting member 6 for adjusting different core wire tensions. Referring to fig. 10 and 11, the first traction member 9 includes a first traction frame 910, a first traction upper wheel 901, a first traction wheel shaft 902, a friction plate 903, a first traction wheel shaft seat 904, a first traction lower wheel 905, an adjusting screw 906, a tension spring 907, a breaking copper sheet 908, and a friction belt 909. The first traction bracket 910 is fixed inside the stranding element 6 of the core machine. The first traction sheave axle seat 904 is fixedly coupled to the first traction bracket 910. The first traction sheave shaft 902 is rotatably coupled to a first traction sheave shaft seat 904. The friction disk 903 and the first traction upper wheel 901 are sleeved on the first traction wheel shaft 902 and fixedly connected with the first traction wheel shaft 902, the friction disk 903 is positioned on the inner side of the first traction upper wheel 901, and the friction disk 903 and the first traction upper wheel 901 synchronously rotate. One end of the friction belt 903 is fixed with the first traction bracket 910, the other end is connected with one end of a tension spring 907 after bypassing from the lower side surface of the friction plate 903, and the other end of the tension spring 907 is fixed with the first traction bracket 910 through an adjusting screw 906. The first traction lower wheel 905 is positioned at the lower side of the first traction upper wheel 901 and is rotatably connected with the first traction bracket 910. The broken copper sheet 908 is connected to a first traction frame 910 and is disposed adjacent to a first traction upper wheel 901. The core wire 44 output by the core machine stranding part 6 is wound between the first traction upper wheel 901 and the first traction lower wheel 905 for a plurality of circles, then tension is regulated, and the core wire is output to the main machine stranding part 5 through the broken copper sheet 908. The break copper sheet 908 serves as a break protection for the core wire 44. The length of the tension spring 907 can be adjusted through the adjusting screw 906, the tightness of the friction belt 903 is adjusted, the rotating speeds of the friction disk 903 and the first traction upper wheel 901 are adjusted, and then the tension of the core wire 44 is adjusted. The winding order of the core wire between the first traction upper wheel 901 and the first traction lower wheel 905 is determined by the installation heights of the first traction upper wheel 901 and the first traction lower wheel 905, in the application, the height of the first traction upper wheel 901 is close to the heights of the output port of the core machine stranding part 6 and the input port of the main machine stranding part 5, so that the broken copper sheet 908 is selected to be installed near the first traction upper wheel 901, and the core wire 44 output by the core machine stranding part 6 is finally output from the first traction upper wheel 901 to the broken copper sheet 908 after being wound on the first traction upper wheel 901 and the first traction lower wheel 905 for 3 circles in sequence.

According to the application, the first traction component 9 is adopted to adjust the core wire tension, so that a plurality of subsequent components for adjusting the core wire tension on the original core wire stranding machine are omitted, the core machine stranding component 6 and the main machine stranding component 5 are conveniently and directly connected in series, the process flow is saved, and the production efficiency is improved.

In an alternative embodiment of the present application, referring to fig. 7, the core drive structure includes a core servo motor 18, a core pulley one 19, a core timing belt one 20, two core pulleys two 21, a core drive shaft seat 22, a core pulley three 23, and a core drive shaft 24; the core machine servo motor 18 is in transmission connection with a first core machine belt wheel 19; the first core machine belt wheel 19 drives the third core machine belt wheel 23 arranged on the transmission shaft 24 of the core machine to rotate through the first core machine synchronous belt 20; the core machine transmission shaft 24 is arranged on the core machine transmission shaft seat 22, and two ends of the core machine transmission shaft are respectively connected with two core machine belt wheels II 21; the two core machine belt wheels II 21 are respectively connected with the two core machine spindles 10 of the core machine stranding component 6 in a transmission way.

In an alternative embodiment of the application, the host transmission structure comprises a host servo motor, a host belt pulley I, a host synchronous belt I, two host belt pulleys II, a host transmission shaft seat, a host belt pulley III and a host transmission shaft, which is similar to the core machine transmission structure; the host servo motor is in transmission connection with a host belt pulley I; the first main machine belt pulley drives a third main machine belt pulley arranged on a main machine transmission shaft to rotate through a first main machine synchronous belt; the main machine transmission shaft is arranged on the main machine transmission shaft seat, and two ends of the main machine transmission shaft are respectively connected with two main machine belt pulleys II; the two main machine belt wheels II are respectively connected with two main machine spindles 8 of the main machine stranding part 5 in a transmission way.

In an alternative embodiment of the application, see fig. 9, the second traction means 3 comprises a second traction motor 25, a coupling 26, a traction wheel support 27, an upper traction wheel 291 and a lower traction wheel 292; the upper traction wheel 291 and the lower traction wheel 292 are connected with the traction wheel bracket 27; the second traction motor 25 drives the lower traction wheel 292 to rotate through the coupling 26; the lower traction wheel 292 drives the upper traction wheel 291 to rotate by the four-filament steel cord 45 wound around the upper traction wheel 291 and the lower traction wheel 292. Preferably, the second traction motor 25 is a servo motor. The second traction means 3 is further provided with a grip prevention means 28. The upper traction wheel 291 and the lower traction wheel 292 are respectively provided with 12 grooves, the four-monofilament steel cord 45 processed by the twisting component 4 is firstly wound on the upper traction wheel 291 and then wound on the lower traction wheel 292, and sequentially wound on the upper traction wheel 291 and the lower traction wheel 292 for several circles, and finally led out from the lower traction wheel 292 to enter the straightener 2, so that the second traction motor 25 can simultaneously drive the upper traction wheel 291 to rotate when driving the lower traction wheel 292 to rotate through the coupler 26. The grip prevention member 28 is fixed to the traction wheel bracket 27 by a screw for blocking the slits outside the four-filament steel cords 45 at the upper traction wheel 291 and the lower traction wheel 292 to prevent the grip.

In an alternative embodiment of the application, the four-filament steel cord stranding machine further comprises a controller. Referring to fig. 2, a controller is installed inside the electric control cabinet 7, and the controller is used for controlling all the above-mentioned servomotors (the second traction motor 25, the over-twisting servomotor 32, the core servo motor 18, the main machine servo motor, etc.), and adjusting parameters of the servomotors. The speed of the traction servo motor 25, the speed of the main machine servo motor and the speed of the core machine servo motor 18 are directly adjusted, so that the adjustment of the twisting pitch of the steel cord can be accurately realized, and the quality of the four-monofilament steel cord is improved.

The foregoing is merely a preferred embodiment of the present application, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present application, and such modifications and variations should also be regarded as being within the scope of the application.

Claims (10)

1. The four-monofilament steel cord stranding machine tool is characterized by comprising a core stranding component (6), a first traction component (9), an over-twisting component (4), a main machine stranding component (5), a core machine transmission structure, a main machine transmission structure, a second traction component (3), a straightener (2) and a wire winding machine (1);

-the core machine stranding element (6) for forming a core wire (44); the core machine transmission structure is used for driving two core machine spindles (10) of the core machine stranding component (6) to synchronously rotate;

-said first traction means (9) for adjusting the tension of said core wire (44);

the main machine stranding component (5) is used for stranding the core wire (44) with the tension adjusted and the four monofilaments (43) to form a four-monofilament steel cord (45); the main machine transmission structure is used for driving two main machine spindles (8) of the main machine stranding component (5) to synchronously rotate;

the over-twisting component (4) is used for twisting the four-monofilament steel cord (45);

the second traction component (3) is used for traction the four-monofilament steel cord (45) twisted by the over-twisting component (4) to the straightener (2);

the straightener (2) is used for removing stress of the four-monofilament steel cords (45);

the wire winding machine (1) is used for winding the stress-removed four-monofilament steel cord (45).

2. The four-filament steel cord stranding machine of claim 1, wherein the first traction component (9) comprises a first traction bracket (910), a first traction upper wheel (901), a first traction axle (902), a friction disc (903), a first traction axle seat (904), a first traction lower wheel (905), an adjusting screw (906), a tension spring (907), and a friction belt (909);

the first traction wheel axle seat (904) is fixedly connected with the first traction bracket (910);

the first traction wheel shaft (902) is rotationally connected with the first traction wheel shaft seat (904);

the friction disc (903) and the first traction upper wheel (901) are sleeved on the first traction wheel shaft (902) and fixedly connected with the first traction wheel shaft (902), the friction disc (903) is positioned on the inner side of the first traction upper wheel (901), and the friction disc (903) and the first traction upper wheel (901) synchronously rotate;

one end of the friction belt (903) is fixed with the first traction bracket (910), the other end of the friction belt bypasses the lower side surface of the friction plate (903) and is connected with one end of the tension spring (907), and the other end of the tension spring (907) is fixed with the first traction bracket (910) through the adjusting screw (906);

the first traction lower wheel (905) is positioned at the lower side of the first traction upper wheel (901) and is rotationally connected with the first traction bracket (910);

and a core wire (44) output by the stranding component (6) of the core machine is output to the main stranding component (5) after tension is regulated by a first traction upper wheel (901) and a first traction lower wheel (905).

3. The four-monofilament steel cord stranding machine tool according to claim 1, wherein the core machine drive structure comprises a core machine servo motor (18), a core machine pulley one (19), a core machine timing belt one (20), two core machine pulleys two (21), a core machine drive shaft seat (22), a core machine pulley three (23) and a core machine drive shaft (24);

the core machine servo motor (18) is in transmission connection with the first belt wheel (19) of the core machine;

the first core machine belt wheel (19) drives the third core machine belt wheel (23) arranged on the transmission shaft (24) of the core machine to rotate through the first core machine synchronous belt (20);

the core machine transmission shaft (24) is arranged on the core machine transmission shaft seat (22), and two ends of the core machine transmission shaft are respectively connected with two core machine belt wheels (21);

the two core machine belt wheels II (21) are respectively connected with the two core machine spindles (10) of the core machine stranding component (6) in a transmission way.

4. The four-filament steel cord stranding machine of claim 1 wherein the host drive structure comprises a host servo motor, a host pulley one, a host timing belt one, two host pulleys two, a host drive shaft seat, a host pulley three, and a host drive shaft;

the host servo motor is in transmission connection with the host belt pulley I;

the first main machine belt pulley drives the third main machine belt pulley arranged on the main machine transmission shaft to rotate through the first main machine synchronous belt;

the main machine transmission shaft is arranged on the main machine transmission shaft seat, and two ends of the main machine transmission shaft are respectively connected with two main machine belt pulleys II;

the two main machine belt wheels II are respectively connected with two main machine spindles (8) of the main machine stranding part (5) in a transmission way.

5. A four-filament steel cord stranding machine according to claim 1, characterized in that the core stranding component (6) is provided with a core bow (16) on a core flywheel disc (41).

6. The four-filament steel cord stranding machine of claim 1 wherein the host stranding element (5) is provided with a host bow (12) on a host flywheel disc (42).

7. A four-filament steel cord stranding machine according to claim 1, characterized in that the main machine stranding component (5) comprises a distribution board (13);

the wire distributing disc (13) comprises a wire distributing disc support (36), four wire distributing guide wheels (37), four wire distributing guide wheel supports (372), four deformers (371), a wire collecting nozzle (38) and a wire pressing die (39);

the distribution board bracket (36) comprises a first bracket (361), a second bracket (362) and a third bracket (363) which are sequentially arranged and vertically arranged;

the line pressing die (39) is connected with the third bracket (363);

a core wire hole (3611) which is convenient for the core wire (44) to pass through is arranged on the first bracket (361);

the branching guide wheel brackets (372) are connected with the first bracket (361) and are symmetrically arranged, the two branching guide wheel brackets (372) are located above, and the two branching guide wheel brackets (372) are located below;

the core wire hole (3611) is positioned at the center of the four branching guide wheel brackets (372);

the branching guide wheels (37) are respectively connected with the four guide wheel brackets (372) in a rotating way, are symmetrically arranged, and form an included angle of 45 degrees with the vertical direction on the central axis of the branching guide wheels (37);

the deformers (371) are respectively connected with the four guide wheel brackets (372) in a rotating way and are symmetrically arranged, the deformers (371) are positioned between the first bracket (361) and the branching guide wheels (37), the two deformers (371) above are inclined inwards and obliquely upwards, the two deformers (371) below are inclined inwards and obliquely downwards, the deformers (371) are in a round bar shape, and the central axes of the deformers (371) are perpendicular to the central axes of the adjacent branching guide wheels (37);

the wire collecting nozzle (38) is connected with the second bracket (362) and faces the core wire hole (3611);

after passing through a branching guide wheel (37) and a deformer (371) in sequence, four monofilaments (43) are wound on a core wire (44) in a wire collecting nozzle (38) to form a four-monofilament steel cord (45), and the four-monofilament steel cord (45) is primarily twisted by a wire pressing die (39) and then sent to the over-twisting component (4).

8. The four-filament steel cord stranding machine of claim 1, wherein the second traction component (3) comprises a second traction motor (25), a coupling (26), a traction wheel bracket (27), an upper traction wheel (291) and a lower traction wheel (292);

the upper traction wheel (291) and the lower traction wheel (292) are connected with the traction wheel bracket (27);

the second traction motor (25) drives the lower traction wheel (292) to rotate through the coupler (26);

the lower traction wheel (292) drives the upper traction wheel (291) to rotate through four monofilament steel cords (45) wound on the upper traction wheel (291) and the lower traction wheel (292).

9. A four-filament steel cord stranding machine according to claim 8, characterized in that the second traction motor (25) is a servo motor.

10. Four-filament steel cord stranding machine according to claim 8, characterized in that the second traction means (3) are also provided with anti-pinch means (28).