JP2019029219A - Tape winder, and, tape winding machine - Google Patents

Abstract

To provide a tape winding machine excellent in winding property of a roll tape.SOLUTION: A tape winding machine includes a support part 30 that accommodates a wire bundle 50 and supports such that a central axis of the wire bundle 50 is prevented from shifting and winds a roll tape 40 on the surrounding of the wire bundle 50. The support part 30 has a recess part 33 sinking in an accommodation direction of the wire bundle 50 and a pressing part 32 that presses the wire bundle 50 in a state accommodating the wire bundle 50 in the recess part 33 toward a depth 33a of the recess part.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a tape winding machine for winding a roll tape while supporting an object to be wound, and a tape winding apparatus using the tape winding machine.

  Conventionally, a tape winding apparatus for winding a roll tape (for example, an adhesive tape) around an electric wire bundle constituting a wire harness for a vehicle has been proposed. For example, one of the conventional tape winding apparatuses includes a tape winding machine that winds a tape around an electric wire bundle while supporting the electric wire bundle (see, for example, Patent Document 1).

JP2015-225815A JP 2015-224123 A

  The tape winding machine provided in the above-described conventional tape winding apparatus is configured to roll a tape on an electric wire bundle while rotating the roll tape around the central axis of the electric wire bundle in a state where the electric wire bundle is accommodated in a recess provided on a plate material. Is supposed to be wrapped around. However, when the tape end of the roll tape is first applied to the electric wire bundle in order to perform the winding, when the tape end is pressed against the electric wire bundle, the electric wire bundle is pushed by the tape end and is displaced away from the roll tape. As a result, the contact angle (adhesion area) between the roll tape and the electric wire bundle becomes small, and when the winding of the roll tape is started thereafter, the roll tape may come off (separate) from the electric wire bundle.

  The present invention has been made in view of the above-described circumstances, and an object thereof is to provide a tape winding machine excellent in roll tape winding performance, and a tape winding apparatus using the tape winding machine. There is to do.

In order to achieve the above-mentioned object, the “tape winding machine” according to the present invention is characterized by the following (1).
(1)
A tape winding machine that includes a support unit that accommodates a winding object and supports the winding object so as to prevent displacement of a central axis of the winding object, and winds a roll tape around the winding object. ,
The support part is
A concave portion that is recessed in the accommodating direction of the winding object, and a pressing portion that presses the winding object toward the back of the concave portion in a state in which the winding object is accommodated in the concave portion.
It must be a tape winding machine.

  According to the tape winding machine having the configuration of (1) above, by inserting a winding object (for example, an electric wire bundle constituting the wire harness) from the opening of the concave portion of the support portion toward the back of the concave portion, A winding object is accommodated in the recess. Furthermore, after accommodating a winding object in a recessed part, a winding object is pressed toward the back of a recessed part by a press part. Therefore, when the tape end of the roll tape is first fixed to the winding object, even if the tape end is pressed against the winding object, the pressing portion suppresses the displacement of the central axis of the winding object. Therefore, the contact angle (bonding area) between the roll tape and the winding object can be increased as compared with the conventional tape winding machine described above. As a result, it is possible to suppress the roll tape from being detached (separated) from the winding object.

  Therefore, the tape winding machine of this structure is excellent in the winding performance of a roll tape compared with the tape winding machine provided in the conventional tape winding apparatus mentioned above.

Furthermore, in order to achieve the above-described object, the “tape winding apparatus” according to the present invention is characterized by the following (2).
(2)
A tape winding machine according to (1) above;
When winding the roll tape around the object to be wound by the tape winding machine, a tape puller that grips a tape end extending from the roll tape and pulls out the roll tape, and
It must be a tape winding device.

  According to the tape winding apparatus having the above configuration (2), the winding object (for example, an electric wire bundle constituting the wire harness) is directed from the opening of the concave portion of the support portion of the tape winding machine to the back of the concave portion. As a result, the winding object is accommodated in the recess. Furthermore, after accommodating a winding object in a recessed part, a winding object is pressed toward the back of a recessed part by a press part. Therefore, when the tape end of the roll tape is first fixed to the winding object, even if the tape end is pressed against the winding object, the pressing portion suppresses the displacement of the central axis of the winding object. Therefore, the contact angle (bonding area) between the roll tape and the winding object can be increased as compared with the conventional tape winding machine described above. As a result, it is possible to suppress the roll tape from being detached (separated) from the winding object.

  Thus, the tape winding apparatus of this structure can wind a roll tape appropriately around the winding object (for example, wire bundle of a wire harness).

  ADVANTAGE OF THE INVENTION According to this invention, the tape winding machine excellent in the winding performance of the roll tape and the tape winding apparatus provided with the tape winding machine can be provided.

  The present invention has been briefly described above. Further, details of the present invention will be further clarified by reading a form for carrying out the invention described below (hereinafter referred to as “embodiment”) with reference to the accompanying drawings.

FIG. 1 is a perspective view showing a completion stage of a roll tape drawing process in a tape winding apparatus provided with a tape winding machine according to an embodiment of the present invention. FIG. 2A is a perspective view showing the first stage of the roll tape drawing process in the main part of the tape winding apparatus, and FIG. 2B is a perspective view showing the second stage. Fig.3 (a) is a side view of the principal part of the tape winding apparatus shown in FIG.2 (b), and FIG.3 (b) is AA sectional drawing of Fig.3 (a). Fig.4 (a) is a perspective view which shows the intermediate | middle stage of the press support process of the winding target object in a tape winding apparatus, FIG.4 (b) is a tape extraction part in the state shown to Fig.4 (a). It is a figure which shows the contact state of a winding object. Fig.5 (a) is a perspective view which shows the completion stage of the press support process of the winding target object in a tape winding apparatus, FIG.5 (b) is a tape drawer part in the state shown to Fig.5 (a). It is a figure which shows the contact state of a winding object. Fig.6 (a) is a figure which shows the contact angle of the tape drawer part and winding object in the state shown to Fig.4 (a), FIG.6 (b) is in the state shown to Fig.5 (a). It is a figure which shows the contact angle of a tape extraction | drawer part and a winding target object.

<Embodiment>
Hereinafter, with reference to the drawings, a tape winding machine (main constituent members: support portion 30) and a tape drawing machine (main constituent members: holder portion 10, chuck portion 20) according to an embodiment of the present invention, And the tape winding apparatus 1 which concerns on embodiment of this invention is demonstrated. The tape winding device 1 is a device for winding a roll tape 40 (tape drawing portion 40a) drawn by a tape drawing machine around a winding object (in this example, a wire bundle 50 of a wire harness) by the tape winding machine. It is.

  Hereinafter, for convenience of explanation, as shown in FIG. 1, “front-rear direction”, “left-right direction”, “up-down direction”, “front”, “back”, “left”, “right”, “up” and “down” Is defined. The front-rear direction, the left-right direction, and the up-down direction are orthogonal to each other.

  As shown in FIG. 1, the tape winding apparatus 1 includes a main body 2 that is a structure in which a plurality of metal plates and the like are combined. The main body 2 is supported on a work table (not shown) so as to be movable in the front-rear direction with respect to the work table. 1), or the front operating position (see FIGS. 4 and 5) can be selectively controlled.

  The main body 2 includes a holder unit 10 that holds the posture of a tape end 41 extending from a roll tape 40 (adhesive tape), a chuck unit 20 that holds the tape end 41 held by the holder unit 10, and an electric wire bundle 50. And a support portion 30 that is housed and supported so as to prevent displacement of the central axis of the wire bundle 50.

  As shown in FIGS. 1 to 3, the holder unit 10 includes a holder main body 11 provided in the main body 2, and a cylindrical center that integrally protrudes leftward from a predetermined position on the left side surface of the holder main body 11. A shaft portion 12 and a pair of first arms 13 that integrally project in the left direction so as to be arranged with a minute gap in the front-rear direction from a predetermined position above the central shaft portion 12 on the left side surface of the holder main body portion 11. Prepare.

  A central hole of the roll tape 40 is inserted into the central shaft portion 12 from the left side (see FIG. 1 and the like). As a result, the roll tape 40 is supported by the central shaft portion 12 so as to be rotatable around the axis of the central shaft portion 12. A tape end 41 slightly pulled out from the roll tape 40 is inserted into the minute gap between the pair of first arms 13 from the lower side (see FIG. 2A).

  Thus, the tape end 41 is held by the pair of first arms 13 so as to stand up (see FIG. 2A). When the tape end 41 is held by the pair of first arms 13, the vertical position of the tip of the tape end 41 is the same as the top surface of the first arm 13 or from the top surface of the first arm 13. The tape end 41 is arranged so as to be slightly on the upper side (see FIG. 2A). However, since the arrangement of the tape end 41 is normally performed manually by an operator, variations in arrangement may occur. Further, due to this variation, the tape end 41 may be exposed from the upper surface of the first arm 13 to such an extent that the tip end portion of the tape end 41 is bent by its own weight.

  The upper surface of each first arm 13 is recessed downward (in the direction in which the roll tape is pulled out) and extends in the front-rear direction (in the thickness direction of the roll tape 40) and has a recess width in the left-right direction (in the width direction of the roll tape 40). A recess 14 smaller than the width of the tape 40 is formed. In this example, the two concave portions 14 are arranged side by side by a minute distance in the left-right direction. In this example, each recess 14 has a rectangular shape when viewed from the front-rear direction. Since the recesses 14 are formed on the upper surfaces of the first arms 13 as described above, a part of the tape ends 41 are grooves of the recesses 14 in a state where the tape ends 41 are held by the pair of first arms 13. It is exposed inside (see FIG. 2A).

  As shown in FIGS. 1 to 3, the chuck portion 20 includes a chuck body portion 21 provided on the body portion 2 so as to be positioned above the pair of first arms 13, and a front-rear direction from the lower surface of the chuck body portion 21. And a pair of second arms 22 provided on the chuck body 21 so as to protrude downward.

  The chuck main body 21 is supported by the main body 2 so as to be movable in the vertical direction with respect to the main body 2. The vertical position of the chuck body 21 with respect to the body 2 can be selectively controlled to the upper retracted position (see FIG. 1) or the lower operating position (see FIGS. 2B and 3). It has become.

  At the lower end portions of the pair of second arms 22, arm tip portions 23 are formed that extend in directions approaching each other so as to face each other in the front-rear direction. In other words, each second arm 22 has a substantially L-shape when viewed from the left-right direction. In this example, in each of the second arms 22, the two arm tip portions 23 are arranged at a minute distance in the left-right direction so as to correspond to the two concave portions 14 formed side by side in the left-right direction on each of the first arms 13. They are arranged side by side.

  Each of the pair of second arms 22 is supported by the chuck body 21 so as to be movable in the front-rear direction with respect to the chuck body 21. The position in the front-rear direction of the pair of second arms 22 with respect to the chuck main body 21 is a retracted position (a position where the tape end 41 is not sandwiched, not shown) where the front end surfaces of the arm front-end portions 23 facing in the front-rear direction are separated from each other. The operation position (position where the tape end 41 is sandwiched, see FIG. 2B and FIG. 3) can be selectively controlled.

  As shown in FIG. 1 and FIG. 2, the support portion 30 has a support main body portion 31 provided on the main body portion 2 so as to be adjacent to the right side of the chuck main body portion 21 in the retracted position, and the support main body portion 31. And a pressing portion 32 provided on the main body 2 so as to be positioned apart upward and to the right.

  In this example, the support body 31 is a flat plate member that extends in the front-rear direction and the up-down direction. The support main body 31 is formed with an accommodation recess 33 for accommodating the wire bundle 50. The housing recess 33 is a U-shaped groove that extends in the front-rear direction and opens forward. The arc diameter of the arcuate innermost portion 33 a of the housing recess 33 (the vertical width of the opening of the housing recess 33) is set to a size corresponding to the outer diameter of the wire bundle 50.

  The support main body 31 is integrated with the holder main body 11 (the central shaft portion 12 and the pair of first arms 13) and extends around the central axis extending in the left-right direction corresponding to the arc of the innermost portion 33a of the housing recess 33. The main body 2 is provided to be rotatable with respect to the main body 2. As described above, the roll tape 40 supported by the central shaft portion 12 is rotated around the support main body portion 31 and the holder main body portion 11 so that the wire bundle 50 accommodated in the accommodating recess 33 of the support main body portion 31 is surrounded. To go around.

  The pressing portion 32 is provided to press and support the electric wire bundle 50 accommodated in the support main body portion 31. In this example, the pressing portion 32 is a rod-like member whose base end portion 34 is supported by the main body portion 2 so as to be rotatable around a horizontal axis. The rotation position of the pressing portion 32 is selective to a retracted position where the rod-shaped pressing portion 32 extends forward (see FIGS. 1 and 4) or an operating position where the rod-shaped pressing portion 32 extends downward (see FIG. 5). Can be controlled.

  In the tape winding apparatus 1 having the configuration described above, the holder unit 10 and the chuck unit 20 correspond to the tape drawing machine according to the embodiment of the present invention, and the holder unit 10 and the support unit 30 correspond to the tape winding machine. ing.

  Next, a procedure for winding the tape drawing portion 40 a drawn from the roll tape 40 using the tape winding device 1 around the wire bundle 50 will be described. In this procedure, the drawing process of the roll tape 40, the pressing support process of the electric wire bundle 50, and the winding process of the tape drawing portion 40a are executed in this order. In the initial state (the state before the drawing process), the main body 2, the chuck main body 21, the pair of second arms 22, and the pressing portion 32 are all in the retracted position.

  In the drawing process of the roll tape 40, first, as shown in FIG. 2A, the central hole of the roll tape 40 is inserted into the central shaft portion 12 of the holder portion 10 to support the roll tape 40 on the central shaft portion 12. . Next, the pair of first arms is arranged such that the tape end 41 slightly pulled out from the roll tape 40 is inserted into the minute gap between the pair of first arms 13 from the lower side so that the tape end 41 stands up. 13 to hold. Thus, in a state where the tape end 41 is held by the pair of first arms 13, a part of the tape end 41 is exposed inside the groove of the recess 14 as described above (see FIG. 2A). ).

  Next, the chuck body 21 of the chuck 20 is moved from the retracted position to the operating position. Thereby, the state which the tape end 41 interposes between the arm front-end | tip parts 23 which opposed in the front-back direction and was spaced apart is obtained. Next, from this state, the pair of second arms 22 is moved from the retracted position to the operating position.

  Accordingly, as shown in FIGS. 2B and 3, each arm tip 23 is inserted into the corresponding recess 14, and a part of the tape end 41 exposed in each recess 14 is opposed in the front-rear direction. The arm end portions 23 of the arm 23 are sandwiched between the end surfaces. At this time, as shown in FIG. 3B, the upper surface of the arm tip portion 23 is at the same position as the upper surface of the first arm 13 in the vertical direction or at a position lower than the upper surface of the first arm 13. In other words, as viewed from the front-rear direction, the entire corresponding arm tip 23 is accommodated in the groove of each recess 14.

  In this way, the chuck body 21 is returned from the operating position to the retracted position in a state where the tape end 41 is sandwiched by the arm tip 23. In other words, the interval between the chuck part 20 and the holder part 10 is widened. As a result, the tape end 41 moves upward with respect to the roll tape 40 integrally with the chuck body 21, whereby the roll tape 40 is pulled out by a predetermined length. As a result, as shown in FIG. 1, the tape drawing portion 40a having a predetermined length is arranged so as to extend in the vertical direction. Thereby, the drawing-out process of the roll tape 40 is complete | finished, and it transfers to the press support process of the electric wire bundle 50.

  In the step of supporting the wire bundle 50, first, as shown in FIG. 1, the wire bundle 50 (in this example, the wire bundle of the wire harness) is fixed to a predetermined jig (not shown) fixedly arranged on the work table. It uses and arrange | positions with respect to a work bench | base so that it may extend in the left-right direction in the up-down direction position corresponding to the accommodation recessed part 33.

  Next, as shown in FIG. 4, the main body 2 is moved from the retracted position to the operating position. Thereby, a part of the extending direction of the wire bundle 50 is accommodated in the accommodating recess 33. At this time, the electric wire bundle 50 contacts the tape drawing portion 40a extending in the vertical direction and presses the tape drawing portion 40a to the rear side. The electric wire bundle 50 is pushed back by the reaction force of the pressing force.

  Thus, as shown in FIG. 4B, the electric wire bundle 50 does not reach the innermost portion 33 a of the accommodating recess 33, and the front side from the innermost portion 33 a by pushing the electric wire bundle 50 back to the front side. The tape lead-out portion 40a that is located slightly away from each other and is in contact with the wire bundle 50 is slightly bent backward. In this state, as shown in FIG. 6A, the contact angle θ1 between the tape lead portion 40a and the wire bundle 50 is relatively small.

  Next, as shown in FIG. 5, the pressing portion 32 is moved from the retracted position to the operating position. As a result, as shown in FIG. 5B, the pressing portion 32 presses the electric wire bundle 50 to the rear side, so that the electric wire bundle 50 accommodated in the accommodating concave portion 33 moves to the rear side in the accommodating concave portion 33. The electric wire bundle 50 is maintained in a state of reaching (contacting) the innermost portion 33a. Along with the movement of the wire bundle 50, the amount of bending of the tape lead-out portion 40a to the rear increases. As a result, as shown in FIG. 6B, the contact angle θ2 between the tape lead-out portion 40a and the wire bundle 50 becomes larger than θ1 (see FIG. 6A). Thereby, the press support process of the electric wire bundle 50 is complete | finished, and it transfers to the winding process of the tape extraction part 40a.

  In the winding process of the tape lead-out portion 40a, the support main body portion 31 and the holder main body portion 11 (the central shaft portion 12 and the pair of pairs) are maintained in such a state that the wire bundle 50 is maintained at the innermost portion 33a and the contact angle θ2 is large. The first arm 13) is rotated integrally. Thereby, the roll tape 40 supported by the central shaft portion 12 circulates around the electric wire bundle 50 accommodated in the accommodating recess 33, so that the roll tape 40 is wound around the electric wire bundle 50 while being pulled out.

  As described above, according to the tape winding machine according to the embodiment of the present invention and the tape winding apparatus 1 including the tape winding machine, the support portion 30 has the accommodating recess 33, and this The electric wire bundle 50 is accommodated in the accommodating recess 33 by inserting the electric wire bundle 50 (for example, the electric wire bundle constituting the wire harness) from the opening of the accommodating recess 33 toward the innermost portion 33 a of the accommodating recess 33. Further, after the electric wire bundle 50 is accommodated in the accommodating concave portion 33, the electric wire bundle 50 is pressed toward the innermost portion 33 a of the accommodating concave portion 33 by the pressing portion 32. Therefore, even if the roll tape 40 is pressed against the electric wire bundle 50 in the accommodation direction (forward), the pressing portion 32 suppresses the forward displacement of the central axis of the electric wire bundle 50. Therefore, the contact angle (bonding area) between the roll tape 40 and the electric wire bundle 50 can be increased as compared with the conventional tape winding machine described above.

  In addition, the press part 32 can suppress that the electric wire bundle 50 is displaced to the accommodation direction (front) also during winding of the roll tape 40. FIG. Therefore, the displacement of the central axis of the wire bundle 50 during winding of the roll tape 40 is suppressed, and the roll tape 40 is wound more appropriately.

  Therefore, the tape winding apparatus 1 provided with the tape winding machine of this structure is excellent in the winding performance of a roll tape compared with the tape winding machine provided in the conventional tape winding apparatus mentioned above.

<Other aspects>
In addition, this invention is not limited to said each embodiment, A various modification is employable within the scope of the present invention. For example, the present invention is not limited to the above-described embodiments, and modifications, improvements, and the like can be made as appropriate. In addition, the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

  For example, in the said embodiment, the press part 32 is comprised with the rod-shaped member. On the other hand, the pressing portion 32 is a member having any shape as long as the wire bundle 50 accommodated in the accommodating recess 33 can be pressed toward the innermost portion 33a of the accommodating recess 33. Good.

Here, the characteristics of the tape winding machine and the tape winding apparatus according to the embodiment of the present invention described above are briefly summarized and listed in the following (1) and (2), respectively.
(1)
A wrapping object (50) is accommodated and a support portion (30) is provided to support the winding object (50) so as to prevent displacement of the central axis, and around the winding object (50). A tape winding machine for winding a roll tape (40),
The support part (30)
The recess (33) that is recessed in the accommodating direction of the winding object (50), and the winding object (50) in a state where the winding object (50) is accommodated in the recess (33). A pressing portion (32) that presses toward the back (33a) of the recess,
Tape winding machine.
(2)
A tape winding machine according to (1) above;
A tape puller that grips a tape end (41) extending from the roll tape (40) and pulls out the roll tape when the roll tape is wound around the winding object (50) by the tape winding machine; With
Tape winding device (1).

1 Tape winding device 10 Holder (tape winding machine)
30 Supporting part (tape winding machine)
32 Pressing part 33 Housing recess (recess)
33a innermost part (back)
40 Roll tape 41 Tape end 50 Wire bundle (winding object)

Claims (2)

A tape winding machine that includes a support unit that accommodates a winding object and supports the winding object so as to prevent displacement of a central axis of the winding object, and winds a roll tape around the winding object. ,
The support part is
A concave portion that is recessed in the accommodating direction of the winding object, and a pressing portion that presses the winding object toward the back of the concave portion in a state in which the winding object is accommodated in the concave portion.
Tape winding machine. A tape winding machine according to claim 1;
When winding the roll tape around the object to be wound by the tape winding machine, a tape puller that grips a tape end extending from the roll tape and pulls out the roll tape, and
Tape winding device.

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