Wire winding device and rotating body used therein

Abstract

To provide a wire winding device that allows a wound wire to be easily removed from a rotating body. [Solution] The electric wire winding device includes a cylindrical rotor 2 rotatably mounted around a central axis, a holding mechanism 25 mounted on the rotor 2 and holding an electric wire EW, and a switching mechanism that switches between an expanded state in which second blade members 23A are expanded so as to extend along a plane perpendicular to the central axis of the rotor 2, and a folded state in which second blade members 23A are folded along the central axis of the rotor 2. The holding mechanism 25 is configured to switch to a holding state in which the electric wire EW is held when the switching mechanism sets the second blade members 23A to the expanded state, and to a released state in which the electric wire EW is released when the switching mechanism sets the second blade members 23A to the folded state.

Description

[Technical Field]

[0001] The present invention relates to an electric wire winding device that winds an electric wire along the outer peripheral surface of a cylindrical rotating body that is rotatable around a central axis, and to a rotating body used in the device. [Background technology]

[0002] Conventionally, there has been known an electric wire winding device that winds an electric wire along the outer peripheral surface of a cylindrical rotating body that is rotatable around a central axis (see, for example, Patent Document 1). The electric wire winding device described in Patent Document 1 includes six plate-shaped blade members (rib members) that are provided so as to extend from the axial end of the rotating body along a plane perpendicular to the central axis of the rotating body, and a cylindrical holding mechanism that is detachably provided on the outer peripheral surface of the rotating body and that holds the electric wire. A user of the wire winding device starts winding the wire after the holding mechanism holds the wire. After finishing winding the wire, the user removes the holding mechanism, allowing the end of the wire to be pulled out through the opening where the holding mechanism was located. After removing the holding mechanism, the user of the wire winding device can release the wire held by the holding mechanism and fold the tips of the blade members toward the central axis of the rotating body, thereby removing the wound wire wound by the wire winding device from the rotating body. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 2018-048022 Summary of the Invention [Problem to be solved by the invention]

[0004] However, in the electric wire winding device described in Patent Document 1, a user of the electric wire winding device must perform three operations in order to remove the wound electric wire wound by the electric wire winding device from the rotating body: removing the holding mechanism, releasing the electric wire held by the holding mechanism, and folding the blade members. This creates a problem in that the wound electric wire cannot be easily removed from the rotating body.

[0005] An object of the present invention is to provide an electric wire winding device in which a wound electric wire can be easily removed from a rotating body, and a rotating body used therefor. [Means for solving the problem]

[0006] The electric wire winding device of the present invention is an electric wire winding device that winds an electric wire along the outer peripheral surface of a cylindrical rotating body that is rotatable around a central axis, and is equipped with a traverser that moves along the axial direction of the rotating body and guides the electric wire, thereby determining the winding position of the electric wire relative to the rotating body. The rotating body is equipped with at least one plate-shaped frame member that is arranged to extend from the axial end of the rotating body along a plane perpendicular to the central axis of the rotating body, a holding mechanism that is arranged on the rotating body and holds the electric wire, and a switching mechanism that switches between an expanded state in which the frame member is expanded so as to extend along a plane perpendicular to the central axis of the rotating body, and a folded state in which the frame member is folded along the central axis of the rotating body, and is configured so that when the switching mechanism sets the frame member to the expanded state, the holding mechanism switches to a holding state that holds the electric wire, and when the switching mechanism sets the frame member to the folded state, the holding mechanism switches to a released state that releases the electric wire.

[0007] According to this configuration, the holding mechanism is configured to switch to a holding state in which it holds the electric wire when the frame member is set to the expanded state by the switching mechanism, and to switch to a release state in which it releases the electric wire when the frame member is set to the folded state by the switching mechanism. Therefore, the wound electric wire can be easily removed from the rotating body simply by folding the frame member.

[0008] In the present invention, it is preferable that the rotating body includes a plurality of plate-like members provided along the outer peripheral surface of the rotating body, and the holding mechanism is provided on the inner surface of the plate-like members.

[0009] According to this configuration, the holding mechanism is provided on the inner surface of the plate-shaped member, so that the wound electric wire can be easily removed from the rotating body without having to perform the work of removing the holding mechanism, as in the invention described in Patent Document 1.

[0010] Here, when a holding mechanism is provided on the outer peripheral surface of the rotating body as in the invention described in Patent Document 1, the electric wire is wound around the rotating body avoiding the area where the holding mechanism is provided, which results in unevenness in the wound electric wire. In contrast, according to the present invention, the holding mechanism is provided on the inner surface of a plate-shaped member provided along the outer peripheral surface of the rotating body, thereby preventing the wound wire from becoming uneven, and making the appearance of the wound wire beautiful.

[0011] In the present invention, the rotating body comprises a cylindrical shaft body arranged coaxially with the central axis of the rotating body, and a cylindrical outer tube arranged coaxially with the central axis of the rotating body and housing the shaft body so that it can move forward and backward along the central axis of the rotating body, and the bone member is attached to the shaft body so that it can rotate freely around the base end on the central axis side of the rotating body, and is attached to the plate-shaped member so that it can rotate freely around a rotating part located slightly toward the tip side of the base end, and it is preferable that the switching mechanism switches the shaft body to an advanced state in which it protrudes from the outer tube, thereby putting the bone member in an expanded state, and switches the shaft body to a retracted state in which it is housed in the outer tube, thereby putting the bone member in a folded state.

[0012] With this configuration, the switching mechanism can rotate the rib members about the rotating part so that the tips of the rib members are spaced away from the central axis of the rotating body, thereby achieving the deployed state, by switching to an advanced state in which the shaft body protrudes from the outer tube. Furthermore, the switching mechanism can rotate the rib members about the rotating part so that the tips of the rib members are closer to the central axis of the rotating body, thereby achieving the folded state, by switching to a retracted state in which the shaft body is retracted into the outer tube. Therefore, the structure of the switching mechanism can be simplified.

[0013] In the present invention, the holding mechanism preferably comprises a first plate attached to the plate-like member, and a second plate attached to the shaft and moving back and forth along the central axis of the rotating body as the shaft moves back and forth, and the second plate cooperates with the first plate to hold the electric wire by switching the shaft to an advanced state using the switching mechanism, and releases the electric wire by switching the shaft to a retracted state using the switching mechanism.

[0014] According to this configuration, the holding mechanism can be configured by attaching the first plate to the plate-like member and the second plate to the shaft, so the structure of the holding mechanism can be simplified.

[0015] The rotating body of the present invention is a rotating body used in an electric wire winding device that winds an electric wire along the outer surface of a cylindrical rotating body that is rotatable around a central axis, and is equipped with at least one plate-shaped bone member that is arranged to extend from the axial end of the rotating body along a plane perpendicular to the central axis of the rotating body, a holding mechanism that is arranged on the rotating body and holds the electric wire, and a switching mechanism that switches between an expanded state in which the bone member is expanded so as to extend along the plane perpendicular to the central axis of the rotating body, and a folded state in which the bone member is folded along the central axis of the rotating body, and is characterized in that the holding mechanism is configured so that when the bone member is set to the expanded state by the switching mechanism, it switches to a holding state that holds the electric wire, and when the bone member is set to the folded state by the switching mechanism, it switches to a released state that releases the electric wire.

[0016] According to this configuration, the holding mechanism is configured to switch to a holding state in which it holds the electric wire when the frame member is set to the expanded state by the switching mechanism, and to switch to a release state in which it releases the electric wire when the frame member is set to the folded state by the switching mechanism. Therefore, the wound electric wire can be easily removed from the rotating body simply by folding the frame member. [Brief explanation of the drawings]

[0017] [Figure 1] 1 is a top view of a wire winding device according to an embodiment of the present invention; [Figure 2] Side view of the wire winding device [Figure 3] Enlarged view of the side of the rotor [Figure 4] Enlarged cross-section of a rotating body [Figure 5] FIG. 1 is an enlarged view of the top surfaces of the plate-shaped member and the holding mechanism; [Figure 6] FIG. 1 is a further enlarged view of the top surface of the holding mechanism. [Figure 7] FIG. 10 is an enlarged view of the top surface of the plate-like member and the holding mechanism in a state where a large-diameter electric wire is held; [Figure 8] FIG. 10 is a further enlarged view of the top surface of the holding mechanism holding a large-diameter electric wire. [Figure 9] FIG. 10 is a diagram showing the top surface of the plate-shaped member and the holding mechanism in the folded state of the rotating body. [Figure 10] FIG. 10 is an enlarged view of the top surface of the plate-shaped member and the holding mechanism in the folded state. [Figure 11] Diagram showing the internal structure of the rotation drive unit [Figure 12] A diagram showing the internal structure of the rotation drive unit when the rotating body is folded. [Figure 13] Functional block diagram showing the schematic configuration of the wire winding device [Figure 14] A graph showing the relationship between the outer circumferential surface of a rotating body and the electric wire wound around the outer circumferential surface of the rotating body. [Figure 15] Schematic diagram showing the relationship between the outer circumferential surface of a rotating body and the electric wire wound around the outer circumferential surface of the rotating body. [Figure 16]Flowchart showing a method for controlling a wire winding device DETAILED DESCRIPTION OF THE INVENTION

[0018] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. Fig. 1 is a top view of a wire winding device according to one embodiment of the present invention. Fig. 2 is a side view of the wire winding device. In Fig. 1 and Fig. 2, the upward vertical direction is defined as the +Z axis direction, and two axes perpendicular to the Z axis are defined as the X and Y axes. This also applies to the following drawings.

[0019] As shown in Figures 1 and 2, the wire winding device 1 includes a rotating body 2 that is rotatable around the X axis, a rotation drive unit 3 that rotates the rotating body 2, a guide unit 4 that is provided on the -Y axis direction side of the rotating body 2 and extends along the axial direction (X axis direction) of the rotating body 2, and a traverser 5 that is placed on the guide unit 4 and moves along the guide unit 4. The wire winding device 1 also includes a housing 6 formed by combining a box body 61 on which the rotation drive unit 3 is placed and a box body 62 on which the guide unit 4 is placed.

[0020] Fig. 3 is an enlarged view of the side surface of the rotor. Fig. 4 is an enlarged view of the cross section of the rotor. Specifically, Fig. 4 is a view showing the cross section of the rotor 2 cut along the XY plane passing through the central axis of the rotor 2. As shown in Figures 1 to 4, the rotating body 2 includes a cylindrical shaft 21, a first flange portion 22 attached to the -X axis direction side of the shaft 21, a second flange portion 23 attached to the +X axis direction side of the shaft 21, four plate-like members 24 arranged along the outer peripheral surface of the shaft 21, and a holding mechanism 25 arranged on the inner surface of one of the four plate-like members 24.

[0021] The shaft 21 is connected to the rotation drive unit 3. When driven by the rotation drive unit 3, the shaft 21 rotates around the X axis. The first flange portion 22 includes four first blade members 22A each having a substantially rectangular plate shape and attached radially on the YZ plane with the shaft 21 at the center. The second flange portion 23 is attached at a position corresponding to the first blade member 22A, and includes four second blade members 23A each having a substantially rectangular plate shape and attached radially on the YZ plane around the shaft 21. One of the four blade members 23A includes a handle (not shown) that can rotate the rotor 2 in place of the rotary drive unit 3. The first blade member 22A is configured to be able to move forward and backward along the central axis of the rotor 2, so the distance between the first blade member 22A and the second blade member 23A is adjustable.

[0022] The plate-like members 24 are provided along the outer peripheral surface of the shaft 21, and are provided between the first blade member 22A and the second blade member 23A. Specifically, the plate-like members 24 are formed in a substantially rectangular plate shape with both ends curved so as to fit along the shaft 21. As a result, the four plate-like members 24 as a whole form the outer peripheral surface of a cylindrical shaft. Therefore, in this embodiment, the plate-like member 24 functions as the outer peripheral surface of the cylindrical shaft-shaped rotor 2 that is provided so as to be rotatable around the central axis. 1 does not show first blade member 22A, second blade member 23A, and plate-like member 24 attached in the +Z-axis direction and the −Z-axis direction, respectively. In addition, in Fig. 3, second blade member 23A on the +Y-axis direction side is shown by a two-dot chain line, and holding mechanism 25 is shown by a solid line.

[0023] Fig. 5 is an enlarged view of the top surfaces of the plate-like member and the holding mechanism, and Fig. 6 is a further enlarged view of the top surface of the holding mechanism. As shown in Figures 5 and 6, the holding mechanism 25 includes a rectangular fixing plate 251 that extends along the central axis of the rotating body 2 and has one end on the +X axis direction side fixed to the second flange portion 23, a rectangular holding plate 252 that extends from the fixing plate 251 toward the plate-shaped member 24 and is fixed to the other end on the -X axis direction side of the fixing plate 251, and a rectangular adjustment plate 253 that is attached to the flat surface on the +X axis direction side of the holding plate 252.

[0024] The holding mechanism 25 also includes a rectangular opposing plate 254 that faces the holding plate 252 and the adjustment plate 253, a rectangular support plate 255 that supports the opposing plate 254 so that it can move back and forth along the X-axis direction and is fixed to the plate-shaped member 24, and two springs 256 that are provided between the opposing plate 254 and the support plate 255 and urge the opposing plate 254 toward the holding plate 252 and the adjustment plate 253.

[0025] In this way, the opposing plate 254 is biased toward the holding plate 252 and the adjusting plate 253 by each spring 256, so that the holding mechanism 25 can clamp the electric wire EW between the adjusting plate 253 and the opposing plate 254 by inserting the end of the electric wire EW between the adjusting plate 253 and the opposing plate 254, thereby making it possible to hold the electric wire EW.

[0026] Fig. 7 is an enlarged view of the top surface of the plate-like member and the holding mechanism in a state where a large-diameter electric wire is held, and Fig. 8 is a further enlarged view of the top surface of the holding mechanism in a state where a large-diameter electric wire is held. Here, the opposing plate 254 is biased toward the holding plate 252 and the adjusting plate 253 by the respective springs 256, and therefore, as shown in Figures 7 and 8, the holding mechanism 25 can clamp the large-diameter electric wire EW between the adjusting plate 253 and the opposing plate 254 by the opposing plate 254 moving toward the support plate 255 against the biasing force of the respective springs 256 (see arrows in the figures), thereby enabling the large-diameter electric wire EW to be held. The holding mechanism 25 is also capable of holding an electric wire EW with a larger diameter by removing the adjusting plate 253 attached to the holding plate 252 and the opposing plate 254.

[0027] As shown in Figures 4 and 5, the shaft 21 comprises a shaft main body 211 as a cylindrical shaft body arranged coaxially with the central axis of the rotating body 2, and a cylindrical outer tube 212 arranged coaxially with the central axis of the rotating body 2 and housing the shaft main body so that it can move freely back and forth along the central axis of the rotating body 2. The shaft body 211 supports the second flange portion 23 described above, and is housed in an outer cylinder 212 so as to be slidable along the X-axis direction. The outer cylinder 212 supports the first flange portion 22 described above, and is connected to the rotation drive portion 3.

[0028] Plate-like member 24 is attached to first flange 22 via hinge 241 so as to be rotatable around one end on the −X-axis direction side. Plate-like member 24 is also attached to a rotating portion of second blade member 23A (a portion located slightly toward the tip end from the base end) via hinge 242 so as to be rotatable around the other end on the +X-axis direction side. Second blade member 23A is attached to second flange portion 23 via hinge portion 231 so as to be rotatable around the base end. In other words, the second blade member 23A is attached to the shaft main body 211 so as to be rotatable around the base end on the central axis side of the rotating body 2, and is attached to the plate-shaped member 24 so as to be rotatable around a rotating part located slightly toward the tip side from the base end.

[0029] Fig. 9 is a diagram showing the top surface of the plate-shaped member and the holding mechanism in a folded state of the rotor, and Fig. 10 is an enlarged view showing the top surface of the plate-shaped member and the holding mechanism in a folded state. As shown in Figures 9 and 10, the rotating body 2 can be folded by moving the shaft main body 211 toward the -X axis direction (see arrow A in Figure 9) so that the tip of the second blade member 23A moves toward the shaft 21. Specifically, by moving shaft body 211 toward the −X-axis direction, second blade member 23A rotates about the Z-axis around hinge portion 231 and is folded so that its tip approaches shaft 21 (see arrow B in the figure). Furthermore, because plate-like member 24 is attached to the rotating portion of second blade member 23A via hinge portion 242, it rotates about the Z-axis around hinge portion 241 as second blade member 23A rotates (see arrow C in the figure).

[0030] In this way, the rotating body 2 is provided with four second blade members 23A as plate-shaped bone members extending from the axial end of the rotating body 2 along a plane (YZ plane) perpendicular to the central axis of the rotating body 2. In this embodiment, the rotating body 2 is provided with four second blade members 23A, but the number may be one to three, or five or more. In short, it is sufficient that the rotating body 2 is provided with at least one second blade member 23A.

[0031] The wire winding device 1 also has a switching mechanism that switches the shaft body 211 to an advanced state in which it protrudes from the outer tube 212, thereby deploying the second blade member 23A so that it extends along a plane (YZ plane) perpendicular to the central axis of the rotating body 2, and switches the shaft body 211 to a retracted state in which it is stored in the outer tube 212, thereby deploying the second blade member 23A to a folded state in which it folds along the central axis of the rotating body 2.

[0032] Here, as mentioned above, the holding plate 252 and the adjustment plate 253 are connected to the shaft main body 211 via the second flange portion 23 and the fixed plate 251, so the holding mechanism 25 comprises an opposing plate 254 as a first plate attached to the plate-shaped member 24, and the holding plate 252 and the adjustment plate 253 as second plates attached to the shaft main body 211 and moving back and forth along the central axis of the rotating body 2 as the shaft main body 211 moves back and forth. The holding plate 252 and the adjustment plate 253 cooperate with the opposing plate 254 to hold the electric wire EW by switching the shaft body 211 to the advanced state using the switching mechanism, and release the electric wire EW by switching the shaft body 211 to the retracted state using the switching mechanism. In other words, the holding mechanism 25 is configured to switch to a holding state in which it holds the electric wire EW when the second blade member 23A is set to the unfolded state by the switching mechanism, and to switch to a release state in which it releases the electric wire EW when the second blade member 23A is set to the folded state by the switching mechanism. In this embodiment, the gap between adjustment plate 253 and opposing plate 254 is set to "0" when second blade member 23A is put into the deployed state by the switching mechanism.

[0033] FIG. 11 is a diagram showing the internal structure of the rotation drive unit. As shown in FIG. 11, the rotation drive unit 3 includes two support bases 31 that support the shaft 21 so that it can rotate freely around its central axis, a timing belt 32 that transmits the power of a motor (not shown) housed in the box body 61 to the outer cylinder 212 and rotates the outer cylinder 212 around its central axis, and an air cylinder 33 that moves the shaft main body 211 back and forth along the X-axis direction.

[0034] The air cylinder 33 is connected to the end of the shaft body 211 on the −X-axis direction side via a cam follower (not shown), so that the shaft body 211 can rotate around its central axis. Here, since the first blade member 22A and the plate-shaped member 24 are attached to the first flange portion 22, when the motor of the rotation drive unit 3 is driven to rotate the outer tube 212 via the timing belt 32, the first blade member 22A and the plate-shaped member 24 will rotate in conjunction with the rotation of the outer tube 212. Furthermore, since the plate-shaped member 24 is attached to the second blade member 23A, and the second blade member 23A is attached to the second flange portion 23, the second blade member 23A and the second flange portion 23 rotate in conjunction with the rotation of the plate-shaped member 24. Since the second flange portion 23 is supported by the shaft main body 211, the rotation drive unit 3 can rotate the shaft main body 211 and the outer cylinder 212, and can rotate the rotor 2.

[0035] FIG. 12 is a diagram showing the internal structure of the rotation drive unit when the rotor is folded. As described above, the air cylinder 33 can move the shaft body 211 back and forth along the X-axis direction, so that the rotating body 2 can be folded by moving the shaft body 211 toward the -X-axis direction using the air cylinder 33 (see arrow A in the figure), as shown in Figure 12, so that the tip of the second blade member 23A moves toward the shaft 21. Specifically, by moving shaft body 211 toward the −X-axis direction, second blade member 23A rotates around the Z-axis and is folded so that its tip approaches shaft 21 (see arrow B in the figure). Additionally, plate-like member 24 rotates around the Z-axis around hinge portion 241 as second blade member 23A rotates (see arrow C in the figure). In addition, as shown in Figure 11, the rotating body 2 can be opened by moving the shaft main body 211 toward the +X axis direction using the air cylinder 33, thereby moving the tip of the second blade member 23A toward the first blade member 22A.

[0036] As shown in Figures 1 and 2, the guide unit 4 includes two cylindrical stroke shafts 41 extending along the X-axis direction and provided on both sides in the Y-axis direction, one ball screw 42 extending along the X-axis direction and provided between the stroke shafts 41, and a motor 43 (see Figure 1) that rotates the ball screw 42.

[0037] The traverser 5 is mounted on the stroke shaft 41 so as to be slidable along the X-axis direction, and comprises a slider 51 that is screwed onto the ball screw 42, two entrance side traverser rollers 52 provided on the -Y-axis direction side of the slider 51, two exit side traverser rollers 53 provided on the +Y-axis direction side of the slider 51, and a measuring unit 54 provided between the entrance side traverser rollers 52 and the exit side traverser rollers 53.

[0038] The slider 51 can move along the X-axis direction by rotating the ball screw 42 with the motor 43. In other words, the traverser 5 can move along the X-axis direction by rotating the ball screw 42 with the motor 43. The entrance-side traverser rollers 52 and the exit-side traverser rollers 53 are attached to the slider 51 so as to be rotatable about the Z axis. The entrance-side traverser rollers 52 are attached as a pair on both sides in the Y axis direction. The exit-side traverser rollers 53 are attached as a pair on both sides in the Y axis direction. The pair of entrance-side traverser rollers 52 and the pair of exit-side traverser rollers 53 are configured so that the distance between them can be adjusted.

[0039] The measuring unit 54 is provided with a plurality of rollers, including three measuring rollers arranged on the +Z-axis direction side to measure the length of the electric wire EW fed out from the traverser 5, and three guide rollers arranged on the -Z-axis direction side of the measuring rollers to guide the electric wire EW by clamping the electric wire EW together with the measuring rollers. The measuring unit 54 is provided with an encoder (not shown) attached to the central measuring roller of the three measuring rollers, and is capable of calculating the amount of electric wire EW fed out based on the measurement results of the encoder. The measuring rollers and guide rollers are configured so that the distance between them can be adjusted.

[0040] This traverser 5 guides the electric wire EW by passing it from between a pair of entrance side traverser rollers 52 to between a pair of exit side traverser rollers 53, and also between the measuring rollers and guide rollers in the measuring unit 54. As mentioned above, the spacing between the pair of entrance side traverser rollers 52 and the pair of exit side traverser rollers 53, as well as the spacing between the measuring rollers and the guide rollers, are configured to be adjustable, so that the traverser 5 can reliably guide the electric wire EW by adjusting the spacing according to the thickness of the electric wire EW. Then, the electric wire EW guided by the traverser 5 has its end held by a holding mechanism 25, whereby it is temporarily fixed to the plate-like member 24 of the rotating body 2.

[0041] The electric wire winding device 1 can wind the electric wire EW along the outer peripheral surface of the cylindrical shaft-shaped rotating body 2 that is rotatable around its central axis by rotating the rotating body 2 with the rotary drive unit 3. At this time, the traverser 5 moves along the axial direction of the rotating body 2 and guides the electric wire EW, thereby determining the winding position of the electric wire EW relative to the rotating body 2. In addition, the holding mechanism 25 holds the end of the electric wire EW at which winding begins.

[0042] FIG. 13 is a functional block diagram showing a schematic configuration of the electric wire winding device. As described above, the wire winding device 1 includes the rotating body 2 and the traverser 5, and also includes, as shown in Fig. 13, a control means 7 that controls the rotating body 2 via the rotation drive unit 3 and also controls the traverser 5. This control means 7 is housed inside the housing 6 (see Figs. 1 and 2) described above.

[0043] The control means 7 is configured with a CPU (Central Processing Unit), memory, etc., and executes information processing according to a predetermined program stored in the memory. The control means 7 includes a reciprocating period setting unit 71, a rotation control unit 72, a reciprocating control unit 73, and a holding control unit 74. The reciprocating period setting unit 71 sets a reciprocating period for moving the traverser 5 back and forth relative to the rotating body 2. Specifically, the reciprocating period setting unit 71 sets the reciprocating period so that the rotation period of the rotating body 2 and half the reciprocating period of the traverser 5 are not synchronized. The rotation control unit 72 rotates the rotating body 2 at a predetermined rotation period using the rotation drive unit 3. Specifically, the rotation control unit 72 rotates the rotating body 2 at a predetermined rotation period input by a user via an operation panel (not shown). The reciprocation control unit 73 rotates the ball screw 42 using the motor 43 to move the traverser 5 along the X-axis direction, thereby causing the traverser 5 to reciprocate at the reciprocation period set by the reciprocation period setting unit 71. The holding control unit 74 switches the holding mechanism 25 between an open state and a closed state by causing the air cylinder 33 to move the shaft body 211 back and forth along the X-axis direction.

[0044] The following description will be given taking as an example a case where the movement width W of the traverser 5 is 90 mm and the pitch P of the traverser 5 (the movement width of the traverser 5 per rotation of the rotating body 2) is 80 mm. In this case, if the predetermined rotation period is 1 s, half the reciprocating period of the traverser 5 is 80 / 90 s, so the reciprocating period setting unit 71 sets the reciprocating period so that the rotation period of the rotating body 2 and half the reciprocating period of the traverser 5 are not synchronized.

[0045] Fig. 14 is a graph showing the relationship between the outer peripheral surface of the rotor and the electric wire wound around the outer peripheral surface of the rotor. Specifically, Fig. 14 is a graph with the movement width W of the traverser 5 on the vertical axis and the position of the outer peripheral surface of the rotor 2 (rotation angle θ) on the horizontal axis. Fig. 15 is a schematic diagram showing the relationship between the outer peripheral surface of the rotor and the electric wire wound around the outer peripheral surface of the rotor. Specifically, Fig. 15 is a view of the outer peripheral surface of the rotor 2 as viewed toward the central axis. In this embodiment, the outer peripheral surface of the rotor 2 is made up of four plate-like members 24, but in FIG. 15, the outer peripheral surface of the rotor 2 is depicted as an ideal peripheral surface.

[0046] In addition, in this embodiment, the holding mechanism 25 that holds the end of the electric wire EW at which winding begins is provided at a central position in the central axis direction of the rotating body 2, so winding begins from a position where the moving width W of the traverser 5 is 45 mm. However, for the sake of simplicity, Figures 14 and 15 describe the case where winding begins from a position where the moving width W of the traverser 5 is 0 mm.

[0047] If the rotation of the rotor 2 and the reciprocation of the traverser 5 start simultaneously from the position where the movement width W of the traverser 5 = 0 mm, the electric wire EW will be wound along a path R1 that reaches a position where the movement width W of the traverser 5 = 80 mm when the rotation angle θ of the rotor 2 reaches 360 degrees, as shown in Figures 14 and 15 (see solid line in Figure 14). During the second rotation, the electric wire EW reaches a position where the traverser 5 has a movement width W=90 mm when the rotation angle θ of the rotor 2 is 45 degrees, then turns around and is wound along path R2, which reaches a position where the traverser 5 has a movement width W=20 when the rotation angle θ of the rotor 2 is 360 degrees (720 degrees) (see dashed line in Figure 14).

[0048] During the third rotation, the electric wire EW reaches a position where the travel width W of the traverser 5 is 0 when the rotation angle θ of the rotor 2 is 90 degrees, then turns around and is wound along a path R3 that reaches a position where the travel width W of the traverser 5 is 60 when the rotation angle θ of the rotor 2 is 360 degrees (1080 degrees) (see the dotted line in Figure 14). During the fourth rotation, the electric wire EW reaches a position where the traverser 5 has a movement width W=90 when the rotation angle θ of the rotor 2 is 135 degrees, then turns around and is wound along path R4, which reaches a position where the traverser 5 has a movement width W=40 when the rotation angle θ of the rotor 2 is 360 degrees (1440 degrees) (see the dotted line in Figure 14). By repeating this process, the electric wire winding device 1 winds the electric wire EW of a predetermined length around the outer peripheral surface of the rotating body 2.

[0049] Here, the reciprocating period setting unit 71 sets the reciprocating period so that the rotation period of the rotating body 2 is not synchronized with half the reciprocating period of the traverser 5, so that the intersection positions X12, 13, 14, 23, 24, 34 of the electric wire EW are dispersed to multiple positions across the circumferential and width directions of the outer peripheral surface of the rotating body 2. Specifically, X12 is the intersection position of the electric wire EW wound on the first rotation and the electric wire EW wound on the second rotation, X13 is the intersection position of the electric wire EW wound on the first rotation and the electric wire EW wound on the third rotation, X14 is the intersection position of the electric wire EW wound on the first rotation and the electric wire EW wound on the fourth rotation, X23 is the intersection position of the electric wire EW wound on the second rotation and the electric wire EW wound on the third rotation, X24 is the intersection position of the electric wire EW wound on the second rotation and the electric wire EW wound on the fourth rotation, and X34 is the intersection position of the electric wire EW wound on the third rotation and the electric wire EW wound on the fourth rotation.

[0050] In this way, the winding wire wound by the wire winding device 1 can have the wire crossing positions dispersed at multiple positions across the width of the winding wire, so that the winding wire does not become thick in the radial direction only at specific positions, making it possible to improve the appearance and make it easier to store in a case, etc.

[0051] FIG. 16 is a flowchart showing a method for controlling the wire winding device. When the electric wire EW is wound around the outer peripheral surface of the rotor 2 by the electric wire winding device 1, the control means 7 executes the electric wire winding process of steps S1 to S8 as shown in FIG.

[0052] First, the user passes the electric wire EW through the traverser 5, and then causes the holding control unit 74 to drive the air cylinder 33 via the operation panel (not shown), thereby folding the tip of the second blade member 23A of the rotating body 2 toward the shaft 21 (see FIG. 12), and opening the holding mechanism 25. Then, the user inserts the electric wire EW into the holding mechanism 25 in the open state, and causes the holding control unit 74 to drive the air cylinder 33 via the operation panel (not shown), thereby opening the tip of the second blade member 23A of the rotating body 2 (see FIG. 11), and closing the holding mechanism 25. In this way, the user causes the holding mechanism 25 to hold the end of the electric wire EW, thereby temporarily fixing it to the plate-like member 24 of the rotating body 2 (S1: electric wire holding step).

[0053] Next, the user inputs information such as a predetermined rotation period via an operation panel (not shown). The control means 7 stores the information such as the predetermined rotation period input by the user in memory and sets this as the initial setting (S2: initial setting step).

[0054] Next, the reciprocating period setting unit 71 sets a reciprocating period for moving the traverser 5 back and forth relative to the rotating body 2 (S3: reciprocating period setting step). Here, the reciprocating period setting unit 71 may automatically set the reciprocating period based on a predetermined rotation period input by the user via an operation panel (not shown), or may set the reciprocating period based on information input by the user via an operation panel (not shown). In short, the reciprocating period setting unit 71 may set the reciprocating period so that the rotation period of the rotating body 2 and half the reciprocating period of the traverser 5 are not synchronized. For example, as described above, the reciprocating period setting unit 71 can set the predetermined rotation period to 1 s and set half the reciprocating period of the traverser 5 to 80 / 90 s.

[0055] After setting the predetermined rotation period and reciprocating period, the rotation control unit 72 causes the rotation drive unit 3 to rotate the rotor 2 at the predetermined rotation period (S4: rotation control step). Furthermore, the reciprocating control unit 73 causes the traverser 5 to reciprocate at the reciprocating period set by the reciprocating period setting unit 71 (S5: reciprocating control step). This causes the electric wire winding device 1 to start winding the electric wire EW along the outer peripheral surface of the rotor 2. Here, the timing at which the traverser 5 starts reciprocating in the reciprocating control step S4 is simultaneous with the timing at which the rotor 2 starts rotating in the rotation control step S4.

[0056] In this embodiment, the rotation control step S4 is executed first, and then the reciprocating control step S5 is executed. However, the rotation control step S4 may be executed after the reciprocating control step S5 is executed, or the rotation control step S4 and the reciprocating control step S5 may be executed simultaneously.

[0057] After starting the rotation of the rotor 2 and the reciprocation of the traverser 5, the control means 7 determines whether or not to end the winding of the electric wire EW (S6: winding end determination step). In this winding end determination step S6, the control means 7 measures the length of the electric wire EW wound around the rotor 2 based on the feed amount of the length measuring unit 54. Then, the control means 7 determines to end the winding of the electric wire EW if the length of the electric wire EW wound around the rotor 2 exceeds the length input in advance by the user via an operation panel (not shown), and determines not to end the winding of the electric wire EW if the length does not exceed the length input in advance by the user via an operation panel (not shown).

[0058] When it is determined in the winding end determination step S6 that the winding of the electric wire EW is to be ended, the control means 7 stops the rotation of the rotor 2 and the reciprocation of the traverser 5 (S7: winding end step). If it is determined in the winding completion determination step S6 that the winding of the electric wire EW is not to be completed, the control means 7 executes the winding completion determination step S6 again.

[0059] Then, the user cuts the electric wire EW stretched between the rotating body 2 and the traverser 5 with a cutter (not shown), and then causes the holding control unit 74 to drive the air cylinder 33 via the operation panel (not shown), thereby folding the tip of the second blade member 23A of the rotating body 2 toward the shaft 21 (see FIG. 12), and opening the holding mechanism 25. This allows the user to take out the wound electric wire from the electric wire winding device 1 (S8: electric wire taking out step).

[0060] According to the manufacturing method of this embodiment, the following actions and effects can be achieved. (1) The holding mechanism 25 is configured to switch to a holding state in which it holds the electric wire EW when the second blade member 23A is set to the unfolded state by the switching mechanism, and to switch to a release state in which it releases the electric wire EW when the second blade member 23A is set to the folded state by the switching mechanism. Therefore, the wound electric wire can be easily removed from the rotating body 2 simply by folding the second blade member 23A. (2) The holding mechanism 25 is provided on the inner surface of the plate-shaped member 24, so that the wound electric wire can be easily removed from the rotating body 2 without having to remove the holding mechanism 25, as in the invention described in Patent Document 1. (3) The holding mechanism 25 is provided on the inner surface of the plate-shaped member 24 provided along the outer peripheral surface of the rotating body 2, so that it is possible to prevent the wound electric wire from becoming uneven, and the appearance of the wound electric wire can be made beautiful.

[0061] (4) By switching the switching mechanism to an advanced state in which shaft body 211 protrudes from outer tube 212, second blade member 23A can be rotated about the rotating part so as to move the tip of second blade member 23A away from the central axis of rotating body 2, thereby achieving the deployed state. In addition, by switching the switching mechanism to a retracted state in which shaft body 211 is stored in outer tube 212, second blade member 23A can be rotated about the rotating part so as to move the tip of second blade member 23A closer to the central axis of rotating body 2, thereby achieving the folded state. Therefore, the structure of the switching mechanism can be simplified. (5) The holding mechanism 25 can be constructed by attaching the opposing plate 254 to the plate-like member 24 and attaching the holding plate 252 and the adjusting plate 253 to the shaft body 211, so the structure of the holding mechanism 25 can be simplified.

[0062] [Modification of the embodiment] The present invention is not limited to the above-described embodiment, and modifications and improvements within the scope of achieving the object of the present invention are included in the present invention. For example, in the above embodiment, the holding mechanism 25 is provided on the inner surface of the plate-shaped member 24, but it may also be provided on the outer surface of the plate-shaped member 24 (the outer peripheral surface of the rotating body 2).

[0063] In the above embodiment, the switching mechanism switches the shaft body 211 to an extended state in which it protrudes from the outer tube 212, thereby setting the second blade member 23A in an extended state so as to extend along a plane (YZ plane) perpendicular to the central axis of the rotating body 2, and switches the shaft body 211 to a retracted state in which it retracts into the outer tube 212, thereby setting the second blade member 23A in a folded state so as to fold along the central axis of the rotating body 2. In contrast, the switching mechanism may have any configuration as long as it can switch between an extended state in which it unfolds the second blade member 23A so as to extend along a plane perpendicular to the central axis of the rotating body 2 and a folded state in which it folds the second blade member 23A along the central axis of the rotating body 2. For example, the switching mechanism may be configured to switch each of the rib members individually between the extended state and the folded state.

[0064] In the above embodiment, the holding mechanism 25 holds the electric wire EW by using the opposing plate 254, the holding plate 252, and the adjusting plate 253 in cooperation with each other. However, the holding mechanism may have another configuration, such as a clip structure, as long as it can hold the electric wire.

[0065] In the above embodiment, the holding mechanism 25 is mechanically configured by attaching the opposing plate 254 to the plate-like member 24 and attaching the holding plate 252 and the adjusting plate 253 to the shaft body 211, so that when the switching mechanism places the second blade member 23A in the unfolded state, the holding mechanism 25 is switched to a holding state that holds the electric wire EW, and when the switching mechanism places the second blade member 23A in the folded state, the holding mechanism 25 is switched to a release state that releases the electric wire EW. In contrast, the holding mechanism may be configured in any way as long as it is configured to switch to a holding state that holds the electric wire when the switching mechanism places the rib members in the unfolded state, and to switch to a release state that releases the electric wire when the switching mechanism places the rib members in the folded state. For example, the holding mechanism may be configured to switch to the holding state or the release state by being electrically controlled based on the state of the rib members.

[0066] In the above embodiment, the rotating body 2 includes a shaft body 211 and an outer cylinder 212. The shaft body 211 is connected to the air cylinder 33 via a cam follower, and the outer cylinder 212 is connected to the motor via a timing belt 32. In other words, the rotating body 2 is fixed to the rotation drive unit 3. However, the rotating body 2 may be detachably attached to the rotation drive unit 3. Specifically, for example, the rotating body may include a hollow cylindrical first cylindrical body (inner cylinder) and a hollow cylindrical second cylindrical body (outer cylinder) having an inner circumferential surface that slides with the outer circumferential surface of the first cylindrical body. A key groove may be formed on the inner circumferential surface of the first cylindrical body, and the output shaft of the motor may be inserted into the first cylindrical body. The motor and the first cylindrical body may be detachably attached via a key. When the rotating body is configured in this manner, the first cylindrical body is rotated by the motor, so there is no need to connect the second cylindrical body to the motor.

[0067] Furthermore, as described above, when the rotating body is formed by a first cylindrical body and a second cylindrical body, the switching mechanism may be configured to switch the second cylindrical body to an advanced state in which it advances toward the tip of the first cylindrical body, thereby expanding the bone members so that they extend along a plane perpendicular to the central axis of the rotating body, and to switch the second cylindrical body to a retracted state in which it retracts toward the base end of the first cylindrical body, thereby expanding the bone members so that they extend along the central axis of the rotating body, thereby collapsing the bone members along the central axis of the rotating body, thereby collapsing the bone members along the central axis of the rotating body.

[0068] Furthermore, as described above, in a configuration in which a key groove is formed on the inner peripheral surface of the first cylindrical body, the output shaft of the motor is inserted into the first cylindrical body, and the motor and the first cylindrical body are detachably attached via a key, the switching mechanism may be configured to be able to switch the rotating body between the unfolded state and the folded state by grasping and moving the rib member. When the rotating body is configured in this manner, the rotating body can be manually switched between the unfolded state and the folded state, so there is no need to connect the first cylindrical body and the second cylindrical body to an air cylinder. [Industrial Applicability]

[0069] As described above, the present invention can be widely applied to wire winding devices that wind wires along the outer peripheral surface of a cylindrical rotating body that is rotatable around a central axis, and to rotating bodies used in such devices. [Explanation of symbols]

[0070] 1 Wire winding device 2 Rotating bodies 3 Rotation drive unit 4 Guide unit 5 Traverser 6. Housing 7 Control Measures 21 Shaft 23A Second blade member (bone member) 24 Plate-shaped member 25 Retention mechanism 33 Air cylinder 211 Shaft body (shaft body) 212 Outer cylinder 242 Hinge part (rotating part) 251 Fixing Plate 252 Retaining plate (second plate) 253 Adjustment plate (second plate) 254 Opposing plate (first plate) 255 Support Plate 256 Spring EW Electric Wire

Claims

1. An electric wire winding device that winds an electric wire along an outer peripheral surface of a cylindrical shaft-shaped rotor that is rotatable around a central axis, a traverser that moves along the axial direction of the rotating body and guides the electric wire to define a winding position of the electric wire relative to the rotating body, The rotating body is at least one plate-shaped bone member provided so as to extend from an end of the rotating body in the axial direction along a plane perpendicular to the central axis of the rotating body; a holding mechanism provided on the rotating body and configured to hold the electric wire; a switching mechanism that switches between an unfolded state in which the bone members are unfolded so as to extend along a plane perpendicular to the central axis of the rotating body and a folded state in which the bone members are folded along the central axis of the rotating body, The holding mechanism includes: The electric wire winding device is configured such that when the frame member is set to an unfolded state by the switching mechanism, the device switches to a holding state in which the electric wire is held, and when the frame member is set to a folded state by the switching mechanism, the device switches to a release state in which the electric wire is released.

2. The wire winding device according to claim 1, the rotating body includes a plurality of plate-like members provided along an outer circumferential surface of the rotating body, The wire winding device is characterized in that the holding mechanism is provided on the inner surface of the plate-like member.

3. The wire winding device according to claim 2, The rotating body is a cylindrical shaft body arranged coaxially with a central axis of the rotor; a cylindrical outer cylinder that is arranged coaxially with the central axis of the rotating body and that houses the shaft body so that the shaft body can move forward and backward along the central axis of the rotating body; The bone member is the rotor is attached to the shaft body so as to be rotatable about a base end on the central axis side of the rotor, and is attached to the plate-like member so as to be rotatable about a base end located slightly toward the tip side of the base end, The switching mechanism is The wire winding device is characterized in that the rib member is deployed by switching the shaft body to an advanced state in which it protrudes from the outer tube, and the rib member is folded by switching the shaft body to a retracted state in which it is stored in the outer tube.

4. The wire winding device according to claim 3, The holding mechanism includes: a first plate attached to the plate-like member; a second plate attached to the shaft body and adapted to move forward and backward along the central axis of the rotor in accordance with the forward and backward movement of the shaft body; The second plate is The electric wire winding device is characterized in that the electric wire is held in cooperation with the first plate by switching the shaft body to an advanced state using the switching mechanism, and the electric wire is released by switching the shaft body to a retracted state using the switching mechanism.

5. A rotating body used in an electric wire winding device that winds an electric wire along an outer peripheral surface of a cylindrical rotating body that is rotatable around a central axis, at least one plate-shaped bone member provided so as to extend from an end of the rotating body in the axial direction along a plane perpendicular to the central axis of the rotating body; a holding mechanism provided on the rotating body and configured to hold the electric wire; a switching mechanism that switches between an unfolded state in which the bone members are unfolded so as to extend along a plane perpendicular to the central axis of the rotating body and a folded state in which the bone members are folded along the central axis of the rotating body, The holding mechanism includes: A rotating body characterized in that when the frame member is placed in an expanded state by the switching mechanism, it switches to a holding state that holds the electric wire, and when the frame member is placed in a folded state by the switching mechanism, it switches to a release state that releases the electric wire.

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