CN218768894U - Alloy wire twisting mechanism - Google Patents

Abstract

The application discloses an alloy stranding mechanism, which relates to the technical field of stranding machines and comprises a stranding part and an annealing part, wherein the stranding part comprises a wire inlet screen plate, a stranding die, a stranding bow, a main shaft, a first guide wheel, a second guide wheel, a pay-off rack and an annealing part; the front end of the main line penetrates through the wire inlet screen plate from the main wire inlet, the front end of the auxiliary line penetrates through the wire inlet screen plate from the auxiliary wire inlet, the front ends of the main line and the auxiliary line respectively penetrate through the stranded wire die from the gathering hole, the main line and the auxiliary line are gathered and led out from the stranded wire die, then lead to the stranded bow through the first guide wheel and sequentially penetrate through the threading rings on the stranded bow, the main line and the auxiliary line penetrate through the last threading ring on the stranded bow and then lead to the pay-off rack through the second guide wheel, the pay-off rack winds the stranded wire formed by twisting the main line and the plurality of auxiliary lines through rotation of the stranded bow, and the stranded wire is annealed by the annealing part after being unreeled by the pay-off rack. The twisted alloy conductor can be prevented from being twisted due to the internal gravity of the twisted alloy conductor, and the tensile strength and the elongation of the twisted wire are improved.

Description

Alloy stranding mechanism

Technical Field

The application relates to the technical field of stranding machines, in particular to an alloy stranding mechanism.

Background

Specifically, as shown in fig. 2, a main shaft 1a rotates to drive a first pay-off basket 2a and a second pay-off basket 3a to rotate around the main shaft 1a in a horizontal position, the main shaft 1a rotates to drive the first pay-off basket 2a and the second pay-off basket 3a and simultaneously drive a take-off wheel 5a to rotate in a speed-adjustable manner, so that 7 core wires in the main shaft 1a are added with 6 auxiliary wires of the first pay-off basket 2a and 6 auxiliary wires of the second pay-off basket 3a, and the total of 19 alloy wires are twisted, pass through a die 4a and then pass through the take-off wheel 5a, and are finally wound by a winding disc 6a to form a twisted wire with a certain untwisting amount. The high-strength alloy for twisting of the tubular stranding machine can avoid twisting of conductors, but has the following problems: the tension and the elongation of the high-strength alloy wire cannot be guaranteed, and the tension and the elongation of the stranded conductor are unstable due to irregular change of the monofilament after the high-strength alloy wire is pressed by a die; meanwhile, due to the structure of the tubular stranding machine, the production efficiency is low, and in actual use, the highest productivity of 7 stranded wires is 8 kilograms per day and the highest productivity of 19 stranded wires is 12 kilograms per day through statistical calculation. Therefore, a new device is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide an alloy stranding mechanism, under the improvement production efficiency prerequisite, to twisting of stranded conductor, tensile strength realize promoting to and the stability of improvement elongation.

In order to achieve the purpose, the application discloses the following technical scheme: an alloy stranding mechanism comprises a stranding part and an annealing part, wherein the stranding part comprises a wire inlet screen plate, a stranding die, a stranding bow, a main shaft, a first guide wheel, a second guide wheel, a pay-off rack and the annealing part;

the wire stranding die comprises a wire inlet mesh plate, a main wire inlet, a plurality of auxiliary wire inlets, a stranding die and a main shaft, wherein the main wire inlet is formed in the center of the wire inlet mesh plate, the plurality of auxiliary wire inlets are formed in the periphery of the main wire inlet, a gathering hole is formed in the stranding die, a plurality of threading rings are arranged on a stranding arch, the main shaft is connected to the output end of a rotary driving piece in a driving mode, and the stranding arch is installed on the main shaft and driven by the main shaft to rotate along the wire outlet direction perpendicular to the stranding die;

the front end of a main line penetrates through the wire inlet screen plate from the main wire inlet, the front ends of a plurality of auxiliary lines penetrate through the wire inlet screen plate from the auxiliary wire inlets respectively, the front ends of the main line and the plurality of auxiliary lines penetrate through the wire stranding die from the gathering holes respectively, the main line and the plurality of auxiliary lines gather and are led out from the wire stranding die, then the main line and the plurality of auxiliary lines are led to the wire stranding bow through the first guide wheel after passing through the last wire threading ring on the wire bow, the main line and the plurality of auxiliary lines are led to the pay-off rack through the second guide wheel after passing through the last wire threading ring on the wire bow, the pay-off rack winds up stranded wires formed by twisting the main line and the plurality of auxiliary lines through rotation of the wire bow, and the stranded wires are annealed by the annealing part after being unwound by the pay-off rack.

Preferably, the annealing portion comprises a mounting frame, an annealing pipe assembly, a cooling assembly and a take-up reel which are sequentially arranged, the front ends of the main line and the plurality of auxiliary lines pass through the last threading ring on the twisting bow and then are wound on a pay-off rack through a second guide wheel lead, the pay-off rack after winding is mounted on the mounting frame, the stranded wire is annealed through the annealing pipe assembly after the pay-off rack is unwound, the stranded wire is cooled through the cooling assembly after annealing, and the stranded wire is wound through the take-up reel after cooling.

Preferably, the first lead wheel is provided with a first lead hole, the first lead hole is formed in a rotation center line of the twisting bow, and the front ends of the main line and the plurality of secondary lines are led out from the twisting die and then led to the twisting bow through the first lead hole.

Preferably, the second pulley is provided with a second wire hole formed in a rotation center line of the twisted bow, and the leading ends of the main wire and the plurality of sub wires are led to the annealing portion through the second wire hole after passing through the last loop of the twisted bow.

Preferably, the rotary drive is a servo motor.

Preferably, the plurality of auxiliary inlet ports are uniformly distributed on the peripheral side of the main inlet port.

Has the advantages that: the utility model provides an alloy stranding mechanism adopts inlet wire otter board, stranded conductor mould, hank bow, main shaft, first leading wheel, second leading wheel, pay off rack to constitute the structure to strand thread and a plurality of auxiliary line and obtain the high strength stranded wire, simple structure has high-speed efficient performance, and simultaneously, stranded conductor after the transposition is through annealing treatment, gets rid of conductor internal gravitation, and the alloy conductor after avoiding the transposition interior gravitation appears makes the conductor beat and turns round to promote the tensile strength and the elongation of stranded conductor.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a twisted portion according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a prior art tubular strander;

fig. 3 is a schematic structural diagram of an annealing portion in an embodiment of the present application.

Reference numerals: 1. a main line; 2. feeding a screen plate; 3. a stranding die; 4. twisting a bow; 5. a main shaft; 6. a first guide wheel; 7. a second guide wheel; 8. a threading ring; 9. a pay-off rack; 10. annealing the tube assembly; 11. a cooling assembly; 12. a take-up reel; 1a is a rotating shaft; 2a, a first pay-off basket; 3a, a second pay-off basket; 4a, a mould; 5a, a drawing wheel; 6a, a winding roll.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present disclosure and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

It should be noted that the standard parts used in the present specification are commercially available and can be customized according to the description and drawings. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present disclosure will be understood by those of ordinary skill in the art as appropriate, and machines, parts and equipment may be of a type conventional in the art without specific limitations.

In this document, the term "comprises/comprising" is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Examples

An alloy stranding mechanism shown with reference to fig. 1 includes a stranding portion for stranding a plurality of high-strength alloys to form a strand, and an annealing portion for annealing the stranded wire formed by stranding.

The twisting part comprises a wire inlet net plate 2, a twisting mold 3, a twisting bow 4, a main shaft 5, a first guide wheel 6, a second guide wheel 7 and a pay-off rack 9. The center of the wire inlet screen plate 2 is provided with a main wire inlet, a plurality of auxiliary wire inlets are arranged on the peripheral sides of the main wire inlet, the main wire inlet refers to a wire through hole of a core wire which is paid off from a paying-off wheel, and the auxiliary wire inlets refer to wire through holes of other alloy wires which are paid off from the paying-off wheel and are twisted with the core wire.

The stranded wire mold 3 may be any one of the prior art, and has a structure identical to that of the mold 4a in fig. 2 in the prior art, and in this embodiment, the stranded wire mold 3 is provided with a converging hole for converging the main wire 1 and the plurality of sub wires.

Be provided with a plurality of thimble 8 on hank bow 4, thimble 8 refers to installs the ring structure on hank bow 4, and it is used for spacing on hank bow 4 through the pencil that stranded conductor mould 3 gathered.

The main shaft 5 is connected to the output end of the rotary driving member in a driving manner, as shown in fig. 1, the rotary driving member is a servo motor, the number of the main shafts 5 is two, a first driving gear is mounted at the output of the servo motor, a second driving gear is mounted through the output shaft, the first driving gear is meshed with a driven gear mounted on the first main shaft 5, the second driving gear is meshed with a driven gear mounted on the second main shaft 5, the rotary driving member drives the main shaft 5 to rotate, and the twisting bow 4 is mounted on the main shaft 5 and driven by the main shaft 5 to rotate along the direction perpendicular to the wire outlet direction of the twisting mold 3. As shown in the drawing, the first guide wheel 6 is installed between the wire stranding die 3 and the wire stranding bow 4 to play a role of enabling the wire harness led out from the wire stranding die 3 to smoothly transition to the wire stranding bow 4, and similarly, the second guide wheel 7 is installed at the tail end of the wire stranding bow 4 to play a role of enabling the wire harness led out from the wire stranding bow 4 to smoothly.

In this embodiment, the routing condition of the wire harness is as follows:

the front end of a main line 1 (which can be a single core wire or a plurality of core wires) penetrates through the wire inlet screen plate 2 from an independent wire inlet, the front ends of a plurality of secondary wires respectively penetrate through the wire inlet screen plate 2 from an auxiliary wire inlet, the front ends of the main line 1 and the plurality of secondary wires respectively penetrate through the wire twisting die 3 from the gathering hole, the main line 1 and the plurality of secondary wires are gathered from the wire twisting die 3 and led out to a wire twisting bow 4 through a first guide wheel 6, and sequentially penetrate through wire threading rings 8 on the wire twisting bow 4, the main line 1 and the plurality of secondary wires penetrate through the last wire threading ring 8 on the wire twisting bow 4 and then are led to a pay-off rack 9 through a second guide wheel 7, the pay-off rack 9 winds up stranded wires formed by twisting the main line 1 and the plurality of secondary wires through rotation of the wire twisting bow 4, and the stranded wires are annealed by an annealing part after the pay-off rack 9 is unwound.

Based on the alloy stranding mechanism, the stranding part is used for stranding the main wire 1 and the plurality of auxiliary wires, the structure is simple, the limitation on the threading path of the wire harness is small, and the efficient high-strength alloy wire stranding process is realized under the conditions of high-speed wire feeding and high-speed rotating stranding. However, due to the wire feeding principle, the monofilament of the main wire 1 rotates, and the twisted strand occurs, so that the twisted strand is annealed by the annealing part, the attraction force inside the twisted strand is removed, the twisted strand is not twisted, and the tensile strength and the elongation of the twisted strand are improved.

In this embodiment, as shown in fig. 3, the annealing portion includes a mounting frame, an annealing pipe assembly 10, a cooling assembly 11, and a take-up reel 12, which are sequentially disposed, and each of the annealing pipe assembly 10 and the cooling assembly 11 may be a related assembly in any tubular annealing apparatus in the prior art, specifically, the annealing pipe assembly 10 is a component in the tubular annealing apparatus for performing a high-temperature heating annealing process on a workpiece, and the cooling assembly 11 is a component in the tubular annealing apparatus for cooling the workpiece after the annealing process of the component subjected to the high-temperature heating annealing process. The take-up reel 12 is any one of the prior art, and is used for winding the annealed strand. The mounting bracket is any one of the prior art, and is used for mounting the pay-off rack 9, and the pay-off rack 9 is mounted on the mounting bracket and rotates for paying off. The front ends of the main line 1 and the multiple auxiliary lines pass through the last thimble 8 on the twisting bow 4, then are led to the pay-off rack 9 through the second guide wheel 7 to be wound, the pay-off rack 9 after winding is installed on the installation rack, the pay-off rack 9 after unwinding enables the stranded lines to be annealed through the annealing pipe assembly 10, the stranded lines are cooled through the cooling assembly 11 after annealing is completed, and the stranded lines are wound through the take-up reel 12 after cooling is completed.

As a preferred embodiment of this embodiment, the first pulley 6 is provided with a first lead hole, and the first lead hole is disposed on the rotation center line of the winch bow 4, and the first pulley 6 may be a plate-type structure, and the first lead hole is opened at the center thereof, so as to avoid the influence of the hole edge on the wire harness, and therefore, a hollow leather hose may be sleeved in the first lead hole. The front ends of the main line 1 and the plurality of auxiliary lines are led out from the stranding die 3 and then led to the stranding bow 4 through the first lead hole. The second guide wheel 7 is provided with a second lead hole, the second lead hole is arranged on a rotation central line of the twisting bow 4, the second guide wheel 7 can be of a plate type structure, the second lead hole is formed in the center of the second guide wheel, and in order to avoid the influence of the hole edge on a wire harness, a hollow leather hose can be sleeved in the second lead hole. The front ends of the main thread 1 and the plurality of auxiliary threads pass through the last threading ring 8 on the twisting bow 4 and then are led to the annealing part through the second lead hole. The advantage of setting up like this is, through the structural design of first leading wheel 6 and second leading wheel 7, can improve the stability that the stranded wire was carried under the high-speed line of sending, the high-speed transposition circumstances to ensure to improve the tensile strength and the elongation of stranded wire, simultaneously, improve production efficiency.

In another preferred embodiment of this embodiment, the plurality of auxiliary inlet ports are uniformly distributed on the peripheral side of the main inlet port. The benefit that sets up like this makes the inlet wire of secondary line more even, stable, ensures the stability when stranded conductor mould 3 assembles and the homogeneity of each pencil, and then ensures the tensile strength and the elongation of stranded conductor.

Based on the alloy wire stranding mechanism of the present embodiment, the following tests were made, in which table 1 shows product detection results obtained for a conventional wire stranding machine process and the alloy wire stranding mechanism process of the present embodiment, respectively. Table 2 shows the productivity test results for the conventional wire twisting machine process and the alloy wire twisting mechanism process of the present embodiment, respectively.

TABLE 1

The twisting detection method comprises the following steps: the stranded alloy conductor is straightened and sampled for 1000mm, and the length of the stranded alloy conductor is vertically and freely rebounded, so that the stranded alloy conductor is more serious in twisting when the length value is smaller.

TABLE 2

In summary, the alloy wire twisting mechanism of the present embodiment can obtain a product with high improvement in the aspect of no twisting, and can improve the tensile strength and the elongation of the twisted wire. Meanwhile, the production efficiency is high.

Finally, it should be noted that: although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the present application.

Claims (6)

1. An alloy stranding mechanism is characterized by comprising a stranding part and an annealing part, wherein the stranding part comprises a wire inlet mesh plate (2), a stranding die (3), a stranding bow (4), a main shaft (5), a first guide wheel (6), a second guide wheel (7) and a pay-off rack (9);

a main wire inlet is formed in the center of the wire inlet screen plate (2), a plurality of auxiliary wire inlets are formed in the periphery of the main wire inlet, a gathering hole is formed in the stranded wire die (3), a plurality of threading rings (8) are arranged on the twisting bow (4), the main shaft (5) is connected to the output end of the rotary driving piece in a driving mode, and the twisting bow (4) is installed on the main shaft (5) and driven by the main shaft (5) to rotate along the wire outlet direction perpendicular to the stranded wire die (3);

the front end of the main line (1) penetrates through the wire inlet screen plate (2) from the main wire inlet, and the front ends of the plurality of auxiliary lines respectively penetrate through the wire inlet screen plate (2) from the auxiliary wire inlets.

2. The alloy wire stranding mechanism according to claim 1, characterized in that the annealing portion includes a mounting frame, an annealing pipe assembly (10), a cooling assembly (11), and a wire take-up reel (12) which are arranged in this order.

3. Alloy wire twisting mechanism according to claim 1, wherein a first lead hole is provided on the first pulley (6) and is provided on the rotation center line of the twisting bow (4).

4. Alloy wire twisting mechanism according to claim 3, wherein a second lead hole is provided on the second pulley (7) and is provided on the rotation center line of the twisting bow (4).

5. The alloy wire stranding mechanism of claim 1 wherein the rotary drive is a servo motor.

6. The alloy wire twisting mechanism according to claim 1, wherein the plurality of auxiliary wire inlets are uniformly distributed on the peripheral side of the main wire inlet.

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