Branching mechanism and bunching machine

Abstract

The utility model discloses a branching mechanism and a bunching machine, which can prevent a tin layer on a lead from being scratched by enabling the lead to be in contact with a guide wheel in a threading disc, thereby preventing the lead from being broken due to accumulation of scraped tin slag and reducing the production cost. The branching mechanism comprises a threading disc (1) and a plurality of branching assemblies. And a plurality of mounting holes are formed in the threading disc (1). The plurality of branching assemblies and the plurality of mounting holes are arranged in a one-to-one correspondence manner; each branching assembly comprises a bearing (2), a rotating rod and a guide wheel (3); the bearing (2) and the threading disc (1) are in the same plane, and the outer ring of the bearing (2) is fixed in the corresponding mounting hole; the rotating rod is positioned in an inner ring of the bearing (2), and two ends of the rotating rod are fixed on the inner wall of the inner ring of the bearing (2); and the guide wheel (3) is rotationally arranged on the rotating rod. And a plurality of wires respectively penetrate through the inner rings of the plurality of bearings (2) and then are contacted with the corresponding guide wheels (3).

Description

Technical Field

[0001] The utility model belongs to the technical field of cable manufacturing, and particularly relates to a wire splitting mechanism and a wire bunching machine. Background Art

[0002] With the rapid development of the electronics and electrical industries, the performance requirements for conductor materials are increasing day by day. Traditional pure copper conductors are prone to oxidation and corrosion in some specific environments, affecting their electrical conductivity and service life. To overcome these problems, people have begun to explore methods for surface treatment of copper conductors, and tin plating is one of the effective solutions. Tin-plated conductors have better solderability, oxidation resistance, and corrosion resistance, which can ensure the stability and reliability of the circuit.

[0003] During the cable manufacturing process, in the prior art, a wire threading disc is provided at the inlet of the wire bunching machine. A plurality of through holes are formed in the wire threading disc. A plurality of tin-plated copper wires pass through the through holes and then converge into the wire bunching machine. Since the multi-strand tin-plated copper wires are distributed at different positions on the wire pay-off rack, the wire threading disc can converge the plurality of tin-plated copper wires to a relatively concentrated position and then enter the wire bunching machine. When the tin-plated copper wires are transported through the through holes, the tin-plated copper wires will adhere to the hole walls of the through holes, so friction will occur between the tin-plated copper wires and the hole walls, and the edges of the hole walls are likely to scratch the tin layer of the tin-plated copper wires.

[0004] The tin content in the tin-plated copper wire is generally 1.5%-3%. In order to ensure the integrity and continuity of the tin layer, it is necessary to increase the thickness of the tin layer and increase the tin content. However, this will increase the consumption of tin materials and increase the production cost. Long-term scratching of the tin layer will form a pile of tin slag, and the accumulated tin slag may cause wire breakage, which will affect the production efficiency and even the conductor performance. Summary of the Utility Model

[0005] The technical problem to be solved by the utility model is to provide a wire splitting mechanism and a wire bunching machine in view of the above deficiencies existing in the prior art. By making the wire contact with the guide wheel in the wire threading disc, the tin layer on the wire can be prevented from being scratched, thereby avoiding the accumulation of the scraped tin slag and causing wire breakage.

[0006] In a first aspect, an embodiment of the utility model provides a wire splitting mechanism for guiding a plurality of wires. The wire splitting mechanism includes a wire threading disc and a plurality of wire splitting components. A plurality of mounting holes are provided on the wire threading disc. The plurality of wire splitting components are arranged in one-to-one correspondence with the plurality of mounting holes. Each wire splitting component includes a bearing, a rotating rod, and a guide wheel; the bearing and the wire threading disc are in the same plane, and the outer ring of the bearing is fixed in the corresponding mounting hole; the rotating rod is located in the inner ring of the bearing, and both ends of the rotating rod are fixed on the inner wall of the inner ring of the bearing; the guide wheel is rotatably arranged on the rotating rod. The plurality of wires respectively pass through the inner rings of the plurality of bearings and then contact the corresponding guide wheels.

[0007] In some embodiments, a first positioning groove is provided on the side wall of the outer ring of the bearing, and a second positioning groove is provided on the side wall of the inner ring of the bearing. The first positioning groove and the second positioning groove are located on the same side of the bearing. The wire dividing assembly further includes a positioning pin, and the positioning pin is clamped in the first positioning groove and the second positioning groove.

[0008] In some embodiments, the shape of the first positioning groove is cross-shaped, and the shape of the part of the positioning pin clamped in the first positioning groove is adapted to the shape of the first positioning groove.

[0009] In some embodiments, convex portions are provided at both ends of the guide wheel.

[0010] In some embodiments, in the direction from the center of the guide wheel to both ends, the height of the convex portion gradually increases.

[0011] In some embodiments, the wire dividing mechanism further includes a support block, and the wire threading disc is slidably arranged on the support block.

[0012] In some embodiments, a sliding groove is provided in the support block. A connecting rod is fixed to the bottom end of the wire threading disc, and the connecting rod is slidably arranged in the sliding groove.

[0013] In some embodiments, a positioning threaded hole is provided on the side wall of the support block, and the positioning threaded hole communicates with the sliding groove. A positioning nut is arranged in the positioning threaded hole, and after passing through the positioning threaded hole, the positioning nut abuts against the connecting rod.

[0014] In some embodiments, among the plurality of mounting holes, one mounting hole is located at the center of the wire threading disc, and the remaining mounting holes are arranged in at least one circle, and the center of the circle is the center of the wire threading disc.

[0015] Thus, in the wire dividing mechanism in the embodiments of the present utility model, by providing mounting holes on the wire threading disc and fixing the outer ring of the bearing in the corresponding mounting holes, and fixing both ends of the rotating rod on the inner wall of the inner ring of the bearing, when the inner ring of the bearing is rotated, the rotating rod can be driven to rotate synchronously to adjust the direction of the axis of the guide wheel on the rotating rod, so that the wire changes direction after bypassing the guide wheel, thereby realizing the function of guiding multiple wires. By passing the wire through the inner ring of the bearing and contacting the corresponding guide wheel, when the wire moves, it rolls on the guide wheel, so that there is no relative movement between the wire and the guide wheel. Therefore, the problem of tin slag accumulation caused by the guide wheel scraping the tin layer from the wire can be avoided, and further the problem of wire breakage caused by tin slag accumulation can be avoided. At the same time, because the problem of the tin layer on the wire being scratched is avoided, it is not necessary to increase the thickness of the tin layer on the wire to maintain the integrity of the tin layer on the wire, which is beneficial to saving tin materials and reducing production costs to a certain extent.

[0016] In a second aspect, an embodiment of the present invention provides a wire bunching machine, which includes a support base, a wire splitting mechanism in the first aspect, and a wire twisting device. The wire threading disc of the wire splitting mechanism is fixed on the support base. The wire twisting device is fixed on the support base and is used for twisting a plurality of wires passing through the wire splitting mechanism together.

[0017] The wire bunching machine provided by the embodiment of the present invention has the same beneficial effects as the above-mentioned wire splitting mechanism, which will not be elaborated here. Description of the Drawings

[0018] Figure 1 : A schematic diagram of a wire splitting mechanism provided by an embodiment of the present invention;

[0019] Figure 2 : A schematic diagram of a wire splitting component provided by an embodiment of the present invention;

[0020] Figure 3 : A schematic diagram of a support block provided by an embodiment of the present invention. Detailed Embodiments

[0021] To enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the drawings and embodiments.

[0022] Embodiment 1:

[0023] As Figure 1 and Figure 2 shown, an embodiment of the present invention provides a wire splitting mechanism, which is applied to a wire bunching machine used in the cable process. The wire splitting mechanism is used for guiding a plurality of wires. The wire splitting mechanism includes a wire threading disc 1 and a plurality of wire splitting components. A plurality of mounting holes are provided on the wire threading disc 1. The plurality of wire splitting components are arranged in one-to-one correspondence with the plurality of mounting holes. Each wire splitting component includes a bearing 2, a rotating rod, and a guide wheel 3. The bearing 2 and the wire threading disc 1 are in the same plane. The outer ring of the bearing 2 is fixed in the corresponding mounting hole; the rotating rod is located in the inner ring of the bearing 2, and both ends thereof are fixed on the inner wall of the inner ring of the bearing 2; the guide wheel 3 is rotatably arranged on the rotating rod. A plurality of wires respectively pass through the inner rings of the plurality of bearings 2 and are in contact with the corresponding guide wheels 3.

[0024] Exemplarily, the above-mentioned wires are tinned copper wires.

[0025] Exemplarily, the number of mounting holes on the wire threading disc 1 can be set according to actual production needs.

[0026] For example, if the wire bunching machine twists seven wires into a single-strand cable each time, as Figure 1As shown, the number of mounting holes in the wire threading disc 1 can be set to seven, and the number of corresponding wire splitting components is also seven. Each wire passes through a wire splitting mechanism separately, which can avoid interference between multiple wires.

[0027] Exemplarily, the type of the bearing 2 can be a deep groove ball bearing, and the cost of the deep groove ball bearing is relatively low, which can reduce the production cost of the wire splitting mechanism. It should be noted that the type of the bearing 2 can also be other types of bearings.

[0028] As Figure 2 shown, when the inner ring of the bearing 2 rotates relative to the outer ring, it can drive the rotating rod fixed on the inner wall of the inner ring of the bearing 2 to rotate synchronously, so as to adjust the direction of the axis of the guide wheel 3, and further adjust the direction of the wire after passing around the guide wheel 3.

[0029] For example, when the wire enters the inner ring of the bearing 2 from the left side of the wire threading disc 1, the inner ring of the bearing 2 can be rotated so that the axis of the guide wheel 3 is in the vertical direction, and the wire changes direction after passing around the guide wheel 3 and then enters the stranding equipment of the wire bunching machine; when the wire enters the inner ring of the bearing 2 from the upper side of the wire threading disc 1, the inner ring of the bearing 2 can be rotated so that the axis of the guide wheel 3 is in the horizontal direction, and the wire changes direction after passing around the guide wheel 3 and then enters the stranding equipment of the wire bunching machine.

[0030] Therefore, after multiple wires in different directions pass through the inner rings of multiple bearings 2, by reasonably adjusting the rotation position of the corresponding inner rings of the bearings 2, the direction of the wire can be changed after passing around the guide wheel 3, so that multiple guide wheels 3 can respectively guide multiple wires in different directions, so that multiple wires in different directions can enter the stranding equipment of the wire bunching machine in the same direction after passing through the wire splitting mechanism.

[0031] Moreover, since the wire contacts the guide wheel 3 after entering the inner ring of the bearing 2, the wire can drive the guide wheel 3 to rotate synchronously when the wire moves, and there is no relative movement between the wire and the guide wheel 3. Therefore, the problem of tin slag accumulation caused by the guide wheel 3 scraping the tin layer from the wire can be avoided, thereby avoiding the problem of wire breakage caused by tin slag accumulation; at the same time, since the problem of the tin layer on the wire being scratched is avoided, it is not necessary to increase the thickness of the tin layer on the wire to maintain the integrity of the tin layer on the wire, which is beneficial to saving tin materials and reducing the production cost to a certain extent.

[0032] Thus, in the wire splitting mechanism in the embodiments of the present utility model, by providing mounting holes on the wire threading disc 1 and fixing the outer ring of the bearing 2 in the corresponding mounting holes, and fixing both ends of the rotating rod on the inner wall of the inner ring of the bearing 2, when rotating the inner ring of the bearing 2, the rotating rod can be driven to rotate synchronously to adjust the direction of the axis of the guide wheel 3 on the rotating rod, so that the wire changes direction after passing around the guide wheel 3, realizing the function of guiding multiple wires. By passing the wire through the inner ring of the bearing 2 and then contacting the corresponding guide wheel 3, when the wire moves, it rolls on the guide wheel 3, so that there is no relative movement between the wire and the guide wheel 3. Therefore, the problem of tin slag accumulation caused by the guide wheel 3 scraping the tin layer from the wire can be avoided, and further the problem of wire breakage caused by tin slag accumulation can be avoided. At the same time, because the problem of the tin layer on the wire being scratched is avoided, it is not necessary to increase the thickness of the tin layer on the wire to maintain the integrity of the tin layer on the wire, which is beneficial to saving tin materials and reducing production costs to a certain extent.

[0033] In some embodiments, as Figure 2 shown, a first positioning groove 51 is provided on the side wall of the outer ring of the bearing 2, and a second positioning groove 52 is provided on the side wall of the inner ring of the bearing 2. The first positioning groove 51 and the second positioning groove 52 are located on the same side of the bearing 2. The wire splitting assembly further includes a positioning pin 4, and the positioning pin 4 is clamped in the first positioning groove 51 and the second positioning groove 52.

[0034] Exemplarily, the shape of the positioning pin 4 can be strip-shaped or conical, and the shapes of the first positioning groove 51 and the second positioning groove 52 are adapted to the shape of the positioning pin 4.

[0035] Exemplarily, among the first positioning groove 51 and the second positioning groove 52, the number of at least one of them is multiple.

[0036] For example, the number of the first positioning groove 51 is one, and the number of the second positioning groove 52 is multiple; or, the number of the first positioning groove 51 is multiple, and the number of the second positioning groove 52 is one; or, the number of the first positioning groove 51 is multiple, and the number of the second positioning groove 52 is also multiple.

[0037] In this way, when the inner ring and the outer ring of the bearing 2 are in different relative positions, it is convenient to move the first positioning groove 51 and the second positioning groove 52 to the same straight line so that the positioning pin 4 is clamped in the first positioning groove 51 and the second positioning groove 52.

[0038] Through the above settings, the relative positions of the inner ring and the outer ring of the bearing 2 can be fixed by the positioning pin 4 to maintain the stability of the position of the guide wheel 3.

[0039] In some embodiments, as Figure 2 shown, the shape of the first positioning groove 51 is cross-shaped, and the shape of the part of the positioning pin 4 clamped in the first positioning groove 51 is adapted to the shape of the first positioning groove 51.

[0040] By setting the shape of the first positioning groove 51 as a cross shape, the positioning pin 4 can be more stable after being clamped in the first positioning groove 51, avoiding the displacement of the positioning pin 4 in the vertical direction, so as to keep the relative positions of the inner ring and the outer ring of the bearing 2 fixed for a long time.

[0041] In some embodiments, as Figure 2 shown, convex portions are provided at both ends of the guide wheel 3.

[0042] Through the above settings, a groove can be formed in the middle of the guide wheel 3, and the wire can be limited in the groove in the middle of the guide wheel 3, which is beneficial to keeping the position of the wire stable on the guide wheel 3 and avoiding the wire from slipping off the guide wheel 3 and rubbing against the rotating rod or the inner ring of the bearing 2, so as to avoid damaging the tin layer on the wire.

[0043] In some embodiments, as Figure 2 shown, in the direction from the center of the guide wheel 3 to both ends, the height of the convex portion gradually increases.

[0044] Exemplarily, an arc surface or an inclined surface is formed on the inner side of the convex portion.

[0045] Through the above settings, the contact between the wire and the inner side of the convex portion during movement can be reduced or avoided, thereby reducing or avoiding the damage of the inner side of the convex portion to the tin layer on the wire, which is beneficial to keeping the integrity of the tin layer on the wire.

[0046] In some embodiments, as Figure 1 shown, the wire splitting mechanism further includes a support block 7, and the wire threading disc 1 is slidably arranged on the support block 7.

[0047] The support block 7 can support and fix the wire threading disc 1.

[0048] In some examples, in combination with Figure 1 and 3 , a sliding groove is provided in the support block 7. A connecting rod 6 is fixed to the bottom end of the wire threading disc 1, and the connecting rod 6 is slidably arranged in the sliding groove.

[0049] Exemplarily, the connecting rod 6 is welded and fixed to the bottom end of the wire threading disc 1.

[0050] Through the above settings, the length of the connecting rod 6 extending out of the support block 7 can be adjusted, so as to adjust the height of the wire threading disc 1 on the support block 7, and further adjust the position of the guide wheel 3 on the wire threading disc 1.

[0051] It can be understood that in a wire bunching machine, after the wire is led out from the wire reel and guided by the guide wheel 3 on the wire splitting disc 1, it enters the wire twisting device of the wire bunching machine. After changing the position of the guide wheel 3, the tension on the wire will change accordingly.

[0052] Therefore, through the above settings, the tension of the wire on the guide wheel 3 can also be adjusted to meet the requirements of different processes for the tension in the wire.

[0053] In some embodiments, as Figure 3 shown, a positioning threaded hole 8 is provided on the side wall of the support block 7, and the positioning threaded hole 8 communicates with the sliding groove. A positioning nut 9 is provided in the positioning threaded hole 8, and after passing through the positioning threaded hole 8, the positioning nut 9 abuts against the connecting rod 6.

[0054] Exemplarily, the number of the positioning threaded holes 8 can be one or more. Figure 3 As shown in [figure reference], two positioning threaded holes 8 are shown, and the number of the positioning nuts 9 is the same as that of the positioning threaded holes 8.

[0055] When it is necessary to adjust the position of the guide wheel 3 on the wire threading disc 1, loosen the positioning nut 9, and the positioning nut 9 no longer abuts against the connecting rod 6. At this time, the length of the connecting rod 6 extending out of the support block 7 can be flexibly adjusted, and the position of the guide wheel 3 on the wire threading disc 1 can be driven to be adjusted; after the adjustment is completed, tighten the positioning nut 9 so that the positioning nut 9 passes through the positioning threaded hole 8 and abuts against the connecting rod 6, and fix the connecting rod 6 in the support block 7 to ensure the stability of the position of the guide wheel 3 on the wire threading disc 1, thereby maintaining the stability of the tension in the wire.

[0056] Through the above settings, it is convenient to adjust the position of the connecting rod 6 to adjust the tension in the wire, and keep the position of the connecting rod 6 stable after the adjustment to maintain the stability of the tension in the wire.

[0057] In some embodiments, as Figure 1 shown, among the multiple mounting holes, one mounting hole is located at the center of the wire threading disc 1, and the remaining mounting holes are arranged in at least one circle, and the center of the circle is the center of the wire threading disc 1.

[0058] Exemplarily, the multiple mounting holes arranged in one circle are evenly distributed along the circumferential direction.

[0059] As Figure 1 shown, there are seven mounting holes on the wire threading disc 1, one of which is located at the center of the wire threading disc 1, and the remaining six mounting holes are arranged in a circle, and the center of the circle is the center of the wire threading disc 1.

[0060] Through the above settings, when multiple wires pass through the wire threading disc 1, their shapes remain approximately circular, making the structure of the stranded single-strand cable more compact and the shape more round, thereby effectively improving the final stranding quality of the multiple wires.

[0061] Embodiment 2:

[0062] An embodiment of the present utility model provides a wire bunching machine, which is used to twist multiple strands of wires into a single-strand cable. The wire bunching machine includes a support base, a wire dividing mechanism in Embodiment 1, and a wire twisting device. The wire threading disc 1 of the wire dividing mechanism is fixed on the support base. The wire twisting device is fixed on the support base and is used to twist multiple wires passing through the wire dividing mechanism together.

[0063] The above-mentioned wire dividing mechanism can avoid scratching the tin layer of the wire passing through the wire threading disc 1. Therefore, the tin layer on the wire can be set thinner, which can save tin materials and reduce the production cost to a certain extent. Moreover, the above-mentioned wire dividing mechanism can avoid the problem of wire breakage caused by the accumulation of tin slag, reduce the failure rate of the wire bunching machine, and thus improve the production stability and production efficiency of the wire bunching machine.

[0064] It can be understood that the above embodiments are merely exemplary embodiments adopted to illustrate the principle of the present utility model. However, the present utility model is not limited thereto. For those of ordinary skill in the art, various modifications and improvements can be made without departing from the spirit and essence of the present utility model, and these modifications and improvements are also regarded as the protection scope of the present utility model.

Claims

1. A wire distribution mechanism for guiding a plurality of wires, characterized in that: include: A threading disc (1), wherein the threading disc (1) is provided with a plurality of mounting holes; and, A plurality of branching assemblies are arranged in one-to-one correspondence with the plurality of mounting holes, and each of the branching assemblies comprises a bearing (2), a rotating rod and a guide wheel (3); the bearing (2) and the threading disk (1) are in the same plane, and the outer ring of the bearing (2) is fixed in the corresponding mounting hole; the rotating rod is located in the inner ring of the bearing (2), and its two ends are fixed on the inner wall of the inner ring of the bearing (2); the guide wheel (3) is rotatably arranged on the rotating rod; A plurality of conductive wires respectively pass through the inner rings of a plurality of bearings (2) and contact the corresponding guide wheels (3).

2. The line splitting mechanism according to claim 1, characterized in that: A first positioning groove (51) is provided on the side wall of the outer ring of the bearing (2), and a second positioning groove (52) is provided on the side wall of the inner ring of the bearing (2), wherein the first positioning groove (51) and the second positioning groove (52) are located on the same side of the bearing (2); The line splitting assembly further comprises a positioning pin (4), wherein the positioning pin (4) is clamped in the first positioning groove (51) and the second positioning groove (52).

3. The line splitting mechanism according to claim 2, characterized in that: The shape of the first positioning groove (51) is a cross, and the shape of the portion of the positioning pin (4) that is engaged in the first positioning groove (51) is adapted to the shape of the first positioning groove (51).

4. The line splitting mechanism according to claim 1, characterized in that: Both ends of the guide wheel (3) are provided with raised parts.

5. The line splitting mechanism according to claim 4, characterized in that: In a direction from the center of the guide wheel (3) to both ends, the height of the protrusion gradually increases.

6. The line splitting mechanism according to claim 1, characterized in that: The wire dividing mechanism further comprises a support block (7), and the threading disc (1) is slidably arranged on the support block (7).

7. The line splitting mechanism according to claim 6, characterized in that: The support block (7) is provided with a sliding groove; A connecting rod (6) is fixed to the bottom end of the threading disc (1), and the connecting rod (6) is slidably arranged in the sliding groove.

8. The line splitting mechanism according to claim 7, characterized in that: A positioning threaded hole (8) is provided on the side wall of the support block (7), and the positioning threaded hole (8) is communicated with the sliding groove; A positioning nut (9) is arranged in the positioning threaded hole (8), and the positioning nut (9) abuts against the connecting rod (6) after passing through the positioning threaded hole (8).

9. The line splitting mechanism according to any one of claims 1 to 8, characterized in that: Among the plurality of mounting holes, one mounting hole is located at the center of the threading disk (1), and the remaining mounting holes are arranged in at least one circle, the center of the circle being the center of the threading disk (1).

10. A wire bundling machine, characterized in that: include: Support seat; The wire-dividing mechanism according to any one of claims 1 to 9, wherein the threading disk (1) of the wire-dividing mechanism is fixed on the supporting seat; and, The wire twisting device is fixed on the support seat and is used for twisting together a plurality of wires passing through the branching mechanism.

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