JP3966675B2 - Tape winding device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a tape winding device, and more particularly, to a tape winding device capable of stably winding a tape around an outer periphery of a plurality of wire rods arranged in parallel and in a straight line.
[0002]
[Prior art]
FIG. 5 is a block diagram showing an example of a conventional tape winding device.
The tape winding device 50 continuously winds the tape 3 around the wire w while rotating the tape 3 around the traveling wire w. The tape winding device 50 is rotated around the wire w by placing the tape roll 30 thereon. A donut disk-shaped taping head 4, a head rotation driving unit 4 M that rotationally drives the taping head 4, and a guide pulley 17 that feeds the tape 3 that is fed out from the tape roll 30 horizontally around the wire w to an angle. is doing.
The taping head 4 is rotatably supported by a support base 4S via a bearing 4B.
The tape winding device 50 is called a center type because the wire w passes through the center of the tape roll 30.
[0003]
[Problems to be solved by the invention]
The conventional tape winding device 50 shown in FIG. 5 can normally wind the tape 3 around the outer periphery of the wire w when the cross-sectional shape of the wire w is circular or nearly circular.
However, when winding the metal tape winding layer (external conductor) 31 of the high-speed differential transmission cable C in which four wires H, L, Dh, Dl as shown in FIG. The wire rods H, L, Dh, Dl, particularly the external wire rods Dh, Dl, are pushed by the tension of the tape 3 in the winding direction of the tape 3, and the external wire rods are inserted into the gaps between the internal wires H, L as shown in FIG. There is a problem that Dh and Dl tend to be in a depressed state.
SUMMARY OF THE INVENTION An object of the present invention is to provide a tape winding device that can stably wind a tape around an outer periphery of a plurality of wire rods arranged in parallel and in a straight line.
[0004]
[Means for Solving the Problems]
In a first aspect, the present invention relates to wire supply means for continuously supplying a wire by running a plurality of wires arranged in parallel, and a tape around the plurality of wires running in parallel. A tape winding device having a tape winding means for continuously winding a tape around the plurality of wires while providing a wire passing hole for supplying each of the plurality of wires through one by one. Provided is a tape winding device provided with a group of wire passing pipes or wire dies for forming.
In the tape winding device according to the first aspect, since each of the plurality of wires is positioned by passing through the wire passage hole, the force of the wire being pushed out in the tape winding direction by the tension of the tape is received. However, each wire does not greatly move out of position. Therefore, it is possible to stably wind the tape around the outer periphery of the plurality of wire rods while maintaining the desired arrangement (for example, in a state of being arranged in a straight line). In addition, it is preferable that the arrangement | positioning of a wire passage hole is offset moderately on the opposite side to the winding direction of a tape in consideration of the force received from a tape.
In addition, the wire passing hole has an advantage of facilitating the wire application in the tape winding preparation stage.
[0005]
In a second aspect, the present invention provides a tape winding apparatus having the above-described configuration, wherein a grooved pulley is provided to separate and supply a plurality of wires to the wire passage holes. A winding device is provided.
In the tape winding device according to the second aspect, since the wire is separated by the grooved pulley and supplied to each wire passage hole, the wire becomes entangled and the tension becomes unstable and the tape is disturbed. Can be prevented.
[0006]
In a third aspect, the present invention provides a tape winding apparatus having the above-described configuration, which covers the periphery of a plurality of wires that run parallel to each other, passes the tape from the slit through the inside, and is wound around the wire. A tape winding device is provided, which is provided with a guide tube that rotates about the wire so that the slit circulates around the wire.
In the tape winding device according to the third aspect, since the tape is wound around the wire while the slit of the guide cylinder regulates the tape winding position, the tape is always wound stably at the same traveling position of the wire, and the tape is disturbed. Can be prevented.
[0007]
In a fourth aspect, the present invention provides a straightening two-stage flat groove pulley for correcting a cable shape by squeezing a cable formed by winding a tape around a wire between two pulleys in the tape winding device having the above-described configuration. A tape winding device is provided.
In the tape winding apparatus according to the fourth aspect, since the cable is formed by the straightening two-stage flat groove pulley, the residual stress is eliminated and the shape stability can be improved.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in more detail with reference to embodiments shown in the drawings. Note that the present invention is not limited thereby.
FIG. 1 is a configuration diagram of a tape winding device according to an embodiment of the present invention.
The tape winding device 10 continuously feeds the tape 3 around the wires Dh, H, L, Dl while rotating the tape 3 around the four wires Dh, H, L, Dl running in parallel. A donut disk-shaped taping head 4 that rotates around the wire rods Dh, H, L, and Dl by placing the tape roll 30 thereon, the head rotation drive unit 4M that rotationally drives the taping head 4, and the aforementioned A guide pulley 17 that feeds the tape 3 fed horizontally from the tape roll 30 around the wire rods Dh, H, L, and Dl and feeds each of the four wire rods Dh, H, L, and Dl, respectively. The four wire passing pipes 12 for forming the wire passing holes to be used, and the lower ends of the taps 4 by holding the wire passing pipes 12 with the fixture 11F The wire supply pipe 11 to which the wire is fixed, the grooved wire pulley 19 for separating the four wire rods Dh, H, L, Dl and supplying them to the wire passage holes, respectively, and the four wire rods Dh, H , L, and Dl are covered, and the tape 3 is passed through the slit 18 to be wound around the wires Dh, H, L, and Dl. The slit 18 together with the tape 3 is around the wires Dh, H, L, and Dl. The guide tube 16 that rotates around the shaft and the high-speed differential transmission cable C formed by winding the tape 3 around the wire rods Dh, H, L, and Dl are squeezed by the two pulleys 15a and 15b to form the cable shape. A straightening two-stage flat groove pulley 15 for straightening is provided.
[0009]
The taping head 4 is rotatably supported by a support base 4S via a bearing 4B.
[0010]
The two pulleys 15a and 15b of the two-stage flat groove pulley 15 for correction are rotatably supported at both ends of the rotating plate 15c. The rotating plate 15c is urged to rotate in one direction around its center by a motor or a spring (not shown).
The correction strength can be adjusted by changing the diameter of the pulleys 15a and 15b or changing the urging force.
[0011]
FIG. 2 is a cross-sectional view of the main part of the tape winding device 10.
The four wire passing pipes 12b, 12c, 12d, and 12e are bonded to each other and further bonded to the inside of the wire supply pipe 11.
The upper end part of the wire supply pipe 11 is mutually supported with the guide cylinder 16 via the bearing 16B.
The lower end of the guide tube 16 is fixed to the taping head 4.
[0012]
FIG. 3 is a top view of the main part showing the arrangement of the wire passing pipes 12b, 12c, 12d, 12e, the wire supplying pipe 11, the bearing 16B, and the guide cylinder 16.
A reference line A connecting the hole centers of the two inner wire passing pipes 12c and 12d, a line B connecting the outer wire passing pipe 12b and the hole center of the inner wire passing pipe 12c, and the outer wire passing pipe 12e. The four wire passing pipes 12b, 12c, 12b, 12c, 12b, 12b, 12b, 12b, 12b, 12b 12d and 12e are arrange | positioned and mutually adhere | attached.
The offset angle θ may be selected from an appropriate angle (for example, 20 °) between 5 ° and 45 °.
[0013]
In place of the four wire passing pipes 12b, 12c, 12d, and 12e in FIG. 3, a wire die that is formed with holes equivalent to the wire passing holes formed by them is connected to a guide tube 16 by a bearing 16B. It may be held inside.
[0014]
According to the tape winding device 10 described above, the following effects can be obtained.
(1) The wire passing pipe 12 prevents the wire rods Dh, H, L, and Dl from being entangled and the wire tension becoming unstable and disturbing the tape-wound bear. In addition, it is easy to draw the line at the tape winding preparation stage. Further, the arrangement of the wire passing pipes 12 having the offset angle θ, that is, the arrangement of the wire passing holes, prevents the wires, in particular, the external wires Dh and Dl from being pushed out in the tape winding direction due to the tension of the tape 3, and the arrangement of the wires is not destroyed. To do.
(2) The grooved delivery pulley 19 is effective in separating the wire materials Dh, H, L, Dl provided from a delivery device (not shown) one by one and supplying them in parallel without being entangled with each other. work. (3) By restricting the tape travel position by the guide cylinder 16 having the slit 18 and the guide pulley 17, the tape winding is always performed at the same travel position of the wire rods Dh, H, L, Dl, and the winding disturbance is prevented. To prevent.
(4) The straightening two-stage flat groove pulley 15 forms the shape of the high-speed differential transmission cable C immediately after taping more stably. In order to keep the shape of the high-speed differential transmission cable C, it is preferable to use a flat groove pulley as a pass line pulley including a capstan and an accumulator.
(5) By the above (1) to (4), the high-speed differential transmission cable C shown in FIG. 4 can be manufactured stably.
[0015]
-Other embodiments-
The present invention provides an arm-type tape winding device equipped with a tape roll on an arm that revolves around a wire, or a roll on each of a pair of struts projecting at opposing positions on a rotary table arranged concentrically with the wire. The present invention can also be applied to a tangential tape winding device that is equipped with a wound tape and winds two tapes around a wire in a co-winding manner.
[0016]
【The invention's effect】
According to the tape winding device of the present invention, the following effects can be obtained.
(1) By the wire passing hole formed by the wire passing pipe or the supply die, it is possible to prevent the plurality of wires from being entangled and the tension of the wire becoming unstable and the tape-wound bear from being disturbed. In addition, it is possible to easily perform the line drawing in the tape winding preparation stage. Furthermore, it is possible to prevent the wire rod from being pushed out in the tape winding direction due to the tension of the tape, and the arrangement of the wire rods from being broken.
(2) A plurality of wire rods can be separated and stably supplied in parallel without being entangled with each other by the grooved pulley.
(3) With the guide cylinder having a slit, the tape running position is regulated so that the tape is always wound at the same running position of the wire, thereby preventing winding disturbance.
(4) The shape of the cable immediately after taping can be more stably formed by the two-stage flat groove pulley for correction.
[Brief description of the drawings]
FIG. 1 is a schematic external view of a tape winding device according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view of a main part of a tape winding device according to an embodiment of the present invention.
FIG. 3 is a top view of the main part showing the arrangement of a wire passing pipe, a wire supplying pipe, a bearing, and a guide tube.
FIG. 4 is a cross-sectional view of a high-speed differential transmission cable that can be stably manufactured by the tape winding device of the present invention.
FIG. 5 is a schematic cross-sectional view of an example of a conventional tape winding device.
FIG. 6 is a cross-sectional view illustrating a defective product manufactured by a conventional tape winding device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 3 Tape 4 Taping head 4B Bearing 4M Head rotation drive part 4S Support stand 10 Tape winding device 11 Wire rod supply pipe 11F Fixture 12,12b, 12c, 12d, 12e Wire rod passage pipe 15 Step type flat groove pulley 15a, 15b Pulley 15c Rotating plate 16 Guide tube 16B Bearing 17 Guide pulley 18 Slit 19 Grooved wire pulley 30 Tape roll C High-speed differential transmission cable Dh, Dl External wire H, L Internal wire θ Offset angle

Claims (4)

A wire supply means for continuously supplying a wire by running a plurality of wires parallel to each other, and a tape around the plurality of wires running in parallel around the plurality of wires. A tape winding device having tape winding means for continuously winding the tape,
A group of wire passing pipes or wire dies for forming a wire passing hole for supplying each of the plurality of wires through one by one are provided, and the wire is pushed in the tape winding direction by the tension of the tape. A tape winding apparatus , wherein the arrangement of the wire passing holes is offset to the opposite side of the tape winding direction so that the wires are arranged in a straight line in a state . 2. The tape winding apparatus according to claim 1, wherein the offset angle [theta] is 5 [deg.] To 45 [deg.]. 3. The tape winding device according to claim 1, wherein the wire rod covers a plurality of wires running in parallel immediately after exiting the wire passage hole, and the tape is passed through the slit to the inside. A tape winding device comprising: a guide tube that rotates around the wire to rotate the shaft so that the slit circulates around the wire. The tape winding device according to any one of claims 1 to 3, wherein a straightening two-stage flat groove pulley for correcting a cable formed by winding a tape around a wire rod between two pulleys to correct the shape of the cable. A tape winding device provided.

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