JP5781424B2 - Linear member guide insertion device - Google Patents

Description

  The present invention relates to a guide insertion device for a linear member that guides and inserts a distal end portion of a flexible linear member toward a predetermined insertion hole.

  For example, a component such as a thermistor in which lead wires are extended outside the substrate in a free state may be attached to a substrate on which electronic components are mounted. The lead wire has a base end connected to the thermistor body mounted on the substrate. The leading end of the lead wire is equipped with a connector for connecting to another electronic component, and extends in a free state toward the upper side of the substrate.

Japanese Patent Laid-Open No. 06-275243

  When such a substrate is disposed on a cover member that covers the substrate, there is a step of passing the leading end portion of the lead wire through the lead wire through hole of the cover member. This process is difficult to automate by a machine because the position of the tip of the lead wire is indefinite due to its flexibility. For this reason, the actual situation is that this type of lead wire insertion process is almost manually performed. Manual insertion is inefficient and costly.

  An object of the present invention is to provide a linear member guiding and inserting device capable of automatically guiding and inserting a distal end portion of a flexible linear member such as a lead wire toward a predetermined insertion hole. It is to provide.

  According to the present invention, a holding member that holds an intermediate portion between a base end portion that is a fixed side and a distal end portion that is a free side of a flexible linear member, and the holding member is moved in a predetermined direction. And moving the holding member by the moving means toward the insertion hole into which the linear member is to be inserted, while holding the intermediate portion of the linear member. The guide insertion device for a linear member, wherein the leading end portion of the linear member is guided and inserted into the insertion hole.

  The holding member can be formed of a spiral body extending from the insertion hole toward the base end portion of the linear member, and by rotating the spiral body about its axis, an intermediate portion of the linear member Can be taken in from the tip of the spiral body and held inside the spiral body.

  In this case, since the intermediate part including the front-end | tip part of a linear member can be taken in inside a spiral body, the said linear member can be reliably inserted in an insertion hole.

  Further, the spiral body is housed in a cylindrical body extending from the insertion hole toward the base end portion of the linear member so that the spiral body is rotated, and the distal end portion of the linear member is moved into the insertion hole by rotation of the spiral body. The cylindrical body is moved toward the base end portion of the linear member in a state where the cylindrical body is on an extension line of the axis, thereby accommodating the helical body and the linear member in the cylindrical body, The cylindrical body can be drawn into the insertion hole in the accommodated state.

  In this case, by accommodating the linear member in the cylindrical body together with the spiral body, the linear member can be more reliably inserted into the insertion hole.

  According to the present invention, the intermediate portion between the distal end portion and the proximal end portion of the flexible linear member is held by the holding member, and in this state, the holding member is moved toward the insertion hole by the moving means. Thereby, the front-end | tip part of a linear member can be inserted in an insertion hole, and the insertion process of a linear member can be automated.

It is a principal part side view which shows the principle of the guide insertion apparatus of the linear member which concerns on embodiment of this invention. It is a principal part side view similar to FIG. 1 which shows the state which guides the bent linear member. It is a side view of the guide insertion apparatus of the linear member which concerns on embodiment of this invention. (A)-(j) is a figure which shows the first half of the insertion process of a linear member. (A)-(h) is a figure which shows the second half of the insertion process of a linear member. It is a perspective view of the guide insertion apparatus which concerns on the modification of this invention.

(Principle of linear member guide insertion device)
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 and FIG. 2 are main part side views showing the principle of a linear member guiding and inserting apparatus according to an embodiment of the present invention. In the figure, reference numeral 1 denotes a substrate, and 2 denotes a cover member for covering the upper portion of the substrate 1. On the substrate 1, a main body of an electronic component such as a thermistor (not shown) is mounted.

  A lead wire 3 as a linear member extends from the main body of the electronic component along the substrate 1 by a predetermined length. The lead wire 3 is fixed to the substrate 1 from the main body of the electronic component to the point A on the substrate 1. The lead wire 3 from the point A is in a free state that is not fixed to the substrate 1 up to the tip 3a equipped with the connector.

  In FIG. 1, the free portion 3b in the free state is shown in a straight state slightly inclined to the right side, but the free portion 3b may be bent as shown in FIG. The length of the free portion 3b is L in a straight line state. The fixed state of the lead wire 3 in FIGS. 1 and 2 is an example, and the actual lead wire 3 is often extended directly upward from the electronic component main body in a free state. In this case, the connection portion of the lead wire 3 to the electronic component main body becomes a point A as a substantial fixing portion.

  Since the lead wire 3 is flexible, the free portion 3b can be moved three-dimensionally around the point A. For this reason, the position of the tip 3a of the lead wire 3 is indefinite, and its maximum range is a hemispherical region having a radius L with the point A as the center. The tip 3a is in any one of the maximum areas.

  For this reason, even if the insertion hole 2a of the cover member 2 into which the distal end portion 3a is to be inserted is arranged immediately above the point A and the substrate 1 is raised vertically, there is no guarantee that the distal end portion 3a will enter the insertion hole 2a. In the conventional manual insertion process, the tip 3a is manually moved to the extension of the axis of the insertion hole 2a, and the substrate 1 is raised or the cover member 2 is lowered in this state. It was.

  In the embodiment of the present invention, the spiral body 4 as the holding member is arranged above the point A in the vertical direction so that the central axis coincides with the vertical axis Y passing through the point A. The outer diameter of the spiral body 4 is slightly smaller than the inner diameter D of the insertion hole 2a into which the distal end portion 3a of the lead wire 3 is to be inserted. The spiral body 4 is rotatable and can be moved up and down along the axis Y by a motor 5 as driving means shown in FIG.

  In order to insert the distal end portion 3a of the lead wire 3 into the insertion hole 2a, as shown in FIGS. 1 and 2, while rotating the spiral body 4, the height 3 is close to the fixing point A at the lower end of the free portion 3b. Lower. The degree of lowering is determined by experience based on the bending strength of the lead wire 3 and the size of the inner diameter D of the insertion hole 2a. If the lead wire 3 is relatively difficult to bend, it is not necessary to lower the lead wire 3 until it approaches the fixed point A too much. On the contrary, if the lead wire 3 is easy to bend, the tip 4a of the spiral body 4 is lowered until it is as close to the fixed point A as possible.

  Further, when the inner diameter D of the insertion hole 2a is large, the outer diameter of the spiral body 4 can also be increased. Therefore, it is not necessary to lower the tip portion 4a of the spiral body 4 until it approaches the fixing point A so much. When the inner diameter D of the insertion hole 2a is small, the outer diameter of the spiral body 4 is also small. Therefore, the distal end portion 4a of the spiral body 4 is lowered as close as possible to the fixed point A.

  As shown in FIGS. 1 and 2, when the spiral body 4 is lowered while rotating in the direction of the arrow, the distal end portion 4a of the lead wire 3 is located at the intermediate portion (free portion 3b) between the proximal end portion 3c and the distal end portion 3a. Hook. Then, by continuing to rotate the spiral body 4 in the direction of the arrow, the free portion 3b of the lead wire 3 is taken into the inside of the spiral body 4, and finally the free portion 3b of the lead wire 3 has an inner diameter D with the axis Y as the center. Within the range. Accordingly, the tip 3a of the lead wire 3 can be inserted into the insertion hole 2a by raising the substrate 1 or lowering the cover member 2 thereafter.

(Specific configuration of the guide insertion device)
FIG. 3 shows a specific embodiment of the guide insertion device according to the present invention. The spiral body 4 in FIG. 3 is different in shape from the spiral body 4 in FIGS. 1 and 2. This is because in FIG. 1 and FIG. 2, the spiral body 4 is simplified for convenience of explaining the principle of the present invention, and the spiral body 4 of FIG. 3 is functionally similar to the spiral body 4 of FIG. 1 and FIG. The same thing. Accordingly, the same reference numerals are used for the spiral body 4.

  As shown in FIG. 3, the upper end of the vertically arranged spiral body 4 is connected to a motor 5, and this motor 5 is supported by a first actuator 6 as an elevating means. The spiral body 4 is accommodated in a vertical cylindrical body 7 having an inner diameter slightly larger than the outer diameter of the spiral body 4 so as to be rotatable and freely movable up and down. The rotational drive of the spiral body 4 is not limited to the motor 5, and various types of rotational drive means can be used.

  The cylindrical body 7 is supported by a second actuator 8 as another lifting means, and the lower end of the cylindrical body 7 is inserted from the upper end opening of the vertical insertion hole 2a of the cover member 2 into which the distal end portion 3a of the lead wire 3 is inserted. It is possible. The spiral body 4 and the cylindrical body 7 are accommodated in a vertical cylindrical portion 9 that is an exterior body of the guide insertion device.

  As the first actuator 6 and the second actuator 8, various actuators such as an electric actuator, a hydraulic actuator, or a pneumatic actuator can be used.

(Lead wire insertion process)
Next, with reference to FIGS. 4A and 4B, the process of inserting the lead wire 3 will be described. 4A shows the first half of the insertion process, and FIG. 4B shows the second half.

  FIG. 4A (a) shows a state before operating the guide insertion device. At this time, the distal end portion 3a of the lead wire 3 is at a position shifted from the axis of the insertion hole 2a in the radial direction outwardly beyond the radius of the insertion hole 2a. From this state, as shown in FIG. 4A (b), the cylindrical body 7 starts to descend. FIG. 4A (c) shows a state in which the lower end portion of the cylindrical body 7 is approaching the lower end opening of the insertion hole 2a.

  4A (d) shows a state in which the lower end portion of the cylindrical body 7 slightly protrudes from the lower end opening of the insertion hole 2a, the spiral body 4 descends while rotating, and the distal end portion 4a slightly protrudes from the cylindrical body 7. FIG. In this state, the tip 4 a of the spiral body 4 is not yet in contact with the lead wire 3.

  FIG. 4A (e) shows a state in which the cylindrical body 7 stops descending, and the spiral body 4 continues to descend while rotating and starts to touch the intermediate portion of the free portion 3b of the lead wire 3. FIG. As a result, the tip portion 4 a of the spiral body 4 starts to take in a portion below the tip portion 3 a of the lead wire 3 into the inside of the spiral body 4.

  4A (f), the tip 4a of the spiral body 4 takes the vicinity of the lower end of the free part 3b of the lead wire 3 into the spiral body 4, and moves the free part 3b of the lead wire 3 radially inward from the root side. Thus, the state in which the inclination of the free portion 3b is brought close to the vertical is shown.

  FIG. 4A (g) shows a state in which the free portion 3b of the lead wire 3 stands substantially vertically and the axis of the insertion hole 2a and the axis of the free portion 3b of the lead wire 3 substantially coincide. The distal end portion 4a of the spiral body 4 continues to rotate at the same height position as in FIG. 4A (f).

  The portion where the spiral body 4 contacts the free portion 3b of the lead wire 3 constitutes a substantial “holding member” of the lead wire 3, and this contact portion is formed in the spiral body 4 as shown in FIGS. Even if the height of is kept constant, the spiral body 4 is rotated to move toward the insertion hole 2a. Therefore, in this embodiment, the motor 5 constitutes the “moving means” of the “holding member”. In this way, after the free portion 3b of the lead wire 3 stands vertically, the helical body 4 does not necessarily have to continue to rotate, so that the drive of the motor 5 can be stopped.

  FIG. 4A (h) shows a state in which the cylindrical body 7 starts to descend again. By lowering the cylindrical body 7, the leading end portion of the lead wire 3 enters the lower end portion of the cylindrical body 7.

  4A (i) shows a state in which the cylindrical body 7 continues to descend further and most of the tip 3a of the lead wire 3 is accommodated in the cylindrical body 7. FIG.

  FIG. 4A (j) shows a state where the cylindrical body 7 continues to descend further and most of the free part 3 b of the lead wire 3 is accommodated in the cylindrical body 7. In this state, the lowering of the cylindrical body 7 is stopped.

  Next, the second half of the insertion process will be described with reference to FIG. 4B. FIG. 4B (a) shows a state where the cover member 2 is lowered along the axis of the insertion hole 2a.

  FIG. 4B (b) shows a state where the cover member 2 is further lowered and reaches the lower end of the cylindrical body 7.

  FIG. 4B (c) shows a state in which the spiral body 4 has started to be pulled up.

  FIG. 4B (d) shows a state in which the spiral body 4 is completely accommodated in the cylindrical body 7 together with the free portion 3 b of the lead wire 3.

  FIG. 4B (e) shows a state in which the cylindrical body 7 containing the spiral body 4 starts to rise. The lower end portion of the cylindrical body 7 rises to the upper end opening of the insertion hole 2 a of the cover member 2.

  FIG. 4B (f) shows a state in which the cylindrical body 7 is further raised and the upper side of the free portion 3 b of the lead wire 3 is exposed above the cover member 2 above the half in the height direction.

  FIG. 4B (g) shows a state in which the cylindrical body 7 is further raised and the distal end portion 3a of the free portion 3b of the lead wire 3 protrudes from the cylindrical body 7 to the outside.

  FIG. 4B (h) shows a state in which the cylindrical body 7 is completely accommodated in the cylindrical portion 9 and the insertion of the lead wire 3 into the insertion hole 2a of the cover member 2 is completed.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the technical idea.

  For example, although the embodiment has shown the case where the lead wire 3 as a linear member is guided and inserted into the insertion hole 2 a of the cover member 2, the linear member is not limited to the lead wire 3.

  The present invention is also applicable to the case where other linear members having flexibility such as a wire and a thin coil spring are guided and inserted into an arbitrary insertion hole.

  Moreover, although the said embodiment used the helical body 4 as a holding member holding a linear member, it may replace with the said helical body 4 and may use the holding member 20 like FIG. This holding member 20 is provided with an arc portion 20b at the tip of a horizontal support rod 20a, and the opening of the arc portion 20b is opened and closed by an opening / closing arm 20c.

  In this modified example, a portion close to the base end portion 3c of the lead wire 3 is put inside the arc portion 20b, and then the open / close arm 20c is closed. Raise. Thereby, the front-end | tip part 3a of the lead wire 3 can be guided in the range of the internal diameter D centering on the axis line of the insertion hole 2a. After the inclined lead wire 3 is raised like the chain line in FIG. 5, the lead wire 3 can be inserted into the insertion hole 2a.

DESCRIPTION OF SYMBOLS 1 Board | substrate 2 Cover member 2a Insertion hole 3 Lead wire 3a Tip part 3b Free part 3c Base end part 4 Spiral body 4a Tip part 5 Motor 6 1st actuator 7 Cylindrical body 8 Second actuator 9 Cylindrical part 20 Holding member 20a Support rod 20b Arc Part 20c Open / close arm A Fixed point

Claims (2)

A holding member that holds an intermediate portion between a base end portion that is a fixed side and a distal end portion that is a free side of the flexible linear member; and a moving unit that moves the holding member in a predetermined direction. And holding the intermediate member of the linear member while moving the tip of the linear member toward the insertion hole into which the linear member is to be inserted. In the guide insertion device for linear members, the leading end of the member is guided and inserted into the insertion hole .
The holding member is a spiral body extending from the insertion hole toward the base end portion of the linear member, and by rotating the spiral body about its axis, the intermediate portion of the linear member is An apparatus for guiding and inserting a linear member, which is taken from the tip of a spiral body and held inside the spiral body . The spiral body is housed in a cylindrical body extending from the insertion hole toward the base end portion of the linear member so that the spiral body rotates so that the distal end portion of the linear member becomes the axis of the insertion hole. When the cylindrical body is moved toward the base end of the linear member, the spiral body and the linear member are accommodated in the cylindrical body. in the cylindrical body and to draw into said insertion hole, guide insertion device of the linear member according to claim 1.

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