JPH02209373A - Wire rod take-up roller - Google Patents

Abstract

PURPOSE:To perform the cutting of a hard wire rod so favorably by installing a cutting mechanism, capable of cutting the wire rod being situated between a bobbin and a grip mechanism, in a turning direction front position of this grip mechanism. CONSTITUTION:At time of changing a bobbin 3, a grip mechanism 33 rotates in the opposite direction to that of the bobbin 3 rotating, and in the midway of rotation, the grip mechanism 33 holds a wire rod W being situated between a traverse mechanism and the bobbin 3. In this state, this wire rod W lying between the bobbin 3 and the grip mechanism 33 is cut by a cutting mechanism 49. Next, the bobbin is taken out, and the wire rod W is drawn out the side of a traverse mechanism 6 by its further rotation, and the wire rod W is situated in a clearance being formed in space between a one side of the bobbin 3 and a wire keep body 30, having a new bobbin held on a drive shaft by a holding mechanism, and it is held between the one side of the bobbin and the wire keep body.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a wire winding device for winding a wire such as an electric wire onto a bobbin.

[Conventional technology]

Conventionally, as this type of wire winding device, for example, the
No. 50637 is known.

This conventional structure includes a first holder attached to the end of the winding shaft, and a rotatable second holder disposed opposite to the first holder and driven in the axial direction of the winding shaft. a holder, the bobbin is held between the first and second holders, and the winding shaft and a traverse mechanism that guides the wire in the axial direction of the bobbin cooperate to move the wire onto the bobbin. It is configured to be rolled up.

The first holder has a hole therethrough, and the wire is held such that it can be displaced in the axial direction of the take-up shaft, and is normally biased by a spring in a direction toward the second holder. a holding plate; and a grip disposed near a gap formed between the collar of the bobbin and the wire holding plate before the bobbin is held by each of the holders to grip and release the wire. a rotation mechanism for rotating the front SP-grip mechanism between a first position near the traverse mechanism and a second position where the gripped wire is stretched through the gap;
a cutting mechanism that cooperates with the gripping mechanism when the gripping mechanism is in the first position; and a cutting mechanism that cooperates with the gripping mechanism when the bobbin is held in the first and second holders; The moving mechanism cooperates to hold the wire gripped by the grip mechanism between the collar of the bobbin and the wire restraining plate, and release the grip of the wire by the grip mechanism, and when the bobbin is fully wound, the grip The mechanism is in the first position and grips the wire, and the cutting mechanism cuts the wire between the gripping mechanism and the fully wound bobbin.

[Problem to be solved by the invention]

However, in the case of the above conventional structure, when replacing the bobbin, the grip mechanism holds the wire located between the traverse mechanism and the bobbin in the first position, and the cutting mechanism holds the wire located between the grip mechanism and the bobbin. is cut, the grip mechanism is rotated in the same direction as the bobbin rotates, and the wire held by the grip mechanism is held in the second position between one side of the bobbin flange and the wire holder, and the wire is removed. is released, the grip mechanism is rotated in a direction opposite to the direction in which the bobbin rotates, and is kept on standby at the second position, that is, holding and releasing the grip mechanism, reciprocating rotation of the grip mechanism, and cutting. The bobbin is replaced by each cutting action of the mechanism, which has the disadvantage that the efficiency of bobbin replacement is reduced.

[Means to solve the problem]

The present invention aims to solve these inconveniences, and the gist thereof is to include a holding mechanism for holding a bobbin on a winding shaft, and a traverse mechanism capable of guiding a wire in the axial direction of the bobbin. The winding shaft is provided with a wire restrainer that can face one side of the bobbin, and the traverse mechanism is disposed outside a gap formed between the one side of the bobbin and the wire restrainer. A grip mechanism capable of holding and releasing the wire located between the bobbin and the bobbin is provided, and a rotation mechanism is provided for rotating the grip mechanism in a direction opposite to the direction in which the bobbin rotates when replacing the bobbin. The wire winding device is characterized in that a cutting mechanism capable of cutting the wire located between the bobbin and the grip mechanism is provided at a forward position in the rotational direction of the mechanism.

[Effect]

When replacing the bobbin, the rotation mechanism causes the grip mechanism to rotate in the opposite direction to the direction in which the bobbin rotates, and during the rotation, the grip mechanism holds the wire rod located between the traverse mechanism and the bobbin. While holding the bobbin, the wire located between the bobbin and the grip mechanism is cut by the cutting mechanism,
In this state, the bobbin is taken out and the wire rod is pulled out from the traverse mechanism side by further rotation, and the wire rod is located in the gap formed between one side of the bobbin and the wire holding body, and a new bobbin is placed by the holding mechanism. When held on the drive shaft, the wire is held between one side of the bobbin and the wire holding body.

〔Example〕

1 to 15 show embodiments of the present invention, FIGS. 1 to 14 are the first embodiment, and FIG. 15 is the second embodiment.

In the first embodiment shown in FIGS. 1 to 14, the overall configuration can be summarized as shown in FIG. The shaft 2 is provided with a holding mechanism 4 that holds the bobbin 3, and a traverse mechanism 5 that can guide the wire W in the axial direction of the bobbin 3 is provided outside the bobbin 3. A wire drawing machine 6 is provided, and a bobbin supply/takeout mechanism 7 is provided on the other side.

That is, the wire rod W from the wire drawing machine 6 is passed through the rollers 8, 9, 10.
and a roller on the swing arm 11, the roller 10
The traverse mechanism 5 includes a traverse roller 14 disposed on a moving shaft 13 that reciprocates in the axial direction of the bobbin 3, and the wire W is wound around the bobbin 3 via the traverse roller 14. The bobbin supply and take-out mechanism 7 is equipped with a supply table for placing an empty bobbin 3 and a take-out metal 16 for taking out and conveying a fully wound bobbin 3.

Further, to explain with reference to FIGS. 2 to 7, the winding shaft 2
is provided in the machine body 1 in a protruding state by a bearing 17, and in this case, the holding mechanism 4 has a tapered tube thread on the base side of the winding shaft 2 between its inner peripheral surface and the tapered surface 2a of the winding shaft 2. The taper surface 19 is fixed by the taper action, and the tapered surface 19 is fitted onto the tip side of the winding shaft 2 so as to be movable in the axial direction in a non-rotating state by applying a key, and the tapered tube 19 is expanded and contracted outwardly. The tube 21 is inserted into the expandable tube 21, and a split groove n is formed in the expandable tube 21, between one side of the protruding wall η in the middle of the inner peripheral surface of the expandable tube 21 and the tapered tube, and the other side of the protruding wall n. A spring 5 is interposed between the tapered surface 19 and the winding shaft 2, and the nut body is screwed onto the tip of the winding shaft 2 in contact with the outer circumferential surface of the tapered surface 19, and is fitted into the nut body y. Form a matching hole, set a tightening mechanism Z opposite to the nut body, fit the fitting pin 4 of the tightening mechanism into the fitting hole of the nut body Z, and tighten the nut body. When the tapered cylinder 19 moves, the tapered cylinder 19 is pushed in the axial direction of the winding shaft 2, and the expansion/contraction cylinder 21 expands outward due to the taper action of each tapered cylinder 19 and presses against the inner circumferential surface of the bobbin 3. When the bobbin 3 is held on the winding shaft 2 and the nut body 3 is loosened and rotated by the tightening mechanism Z, the tapered surface 19 is pushed back by the spring force 5, and the taper action of the taper stopper 19 is released. The expansion/contraction cylinder 21 is constructed so that it can be contracted and restored, and the bobbin 3 can be pulled out in the axial direction of the winding shaft 2 and removed.

Reference numeral 30 denotes a wire restrainer, which is fixed to the winding shaft 2 with a key 31 to prevent rotation, and has an elastic member blade made of rubber or the like attached to the outer circumferential side of the wire restrainer.

( is a grip mechanism, in which a rotating plate A that rotates concentrically with the axis of the winding shaft 2 is provided on the shaft tube U provided on the machine body 1, and a grip mechanism (is provided on this rotating plate A). Attach the mounting tube to the rotating plate with bolts d, insert the moving pin hole into the mounting tube so that it can move in the 3-axis direction of the bobbin, fix the grip body 39 to the tip of the moving pin, and install. A gripping spring for pressing the base end surface of the movable pin against the side surface of the shaft tube U is provided in the cylinder so as to be in contact with the large diameter portion 41, and when it is placed on the side surface of the shaft tube U and in the winding state, it is connected to the traverse roller 14. The cam plate 42 is attached above the wire W located between the bobbin 3 and the wire W located between the traverse roller 14 and the bobbin 3 is formed between one side of the bobbin 3 and the wire restrainer 30 A cylinder mechanism 43 is provided at a position extending within the gap S, and the cylinder mechanism 43 is provided with a suppressor (2) that can push the movable pin holder outward.

Shame is a rotating mechanism, and a motor 46 is arranged in the body 1,
A pulley 47 is attached to the main shaft of the motor 46, a belt is suspended between the pulley 47 and the rotating plate, and the grip mechanism is configured to rotate in the opposite direction to the direction in which the bobbin 3 rotates. It is something.

Reference numeral 49 denotes a cutting mechanism, which is disposed at a position forward in the rotating direction of the grip mechanism with the rotating plate on top, and a cutting tube (material) is attached to the rotating plate with a bolt 51, and the cutting tube 50
A dividing groove 52 is formed in the cutting tube 50, and a cutting pin 53 is formed in the cutting tube 50.
is inserted movably in the axial direction of the bobbin 3, and a return spring 55 is provided in the cutting tube 50 to bring the protruding circumferential part into contact with the rotating plate 5, and the grip mechanism (at a position where the wire W is clamped and held) is provided. Correspondingly, the cutting cylinder mechanisms are attached to each other with the axis simply inclined, and a pushing member 57 capable of pushing the cutting pin 53 outward is provided between the cutting cylinder mechanisms.

Since this first embodiment has the above configuration, FIGS.
To explain the movement with reference to Fig. 4, first, as shown in Fig. 8, when the wire winding work is completed, the rotating plate is rotated by the motor in the opposite direction to the direction in which the bobbin 3 rotates, and during the rotation, the Wire rod W located between traverse mechanism 5 and bobbin 3
The inner part of the cutting tube 50 and the abutment surface position of the grip body 39 of the grip mechanism (and the end face of the mounting bracket) come into contact with each other, and the wire W is hooked as shown in FIG. 9, and at this time the swing The arm 11 rotates upward, making it possible to pull out the wire from the traverse mechanism 5 side, preventing excessive tension from being applied to the wire W between the traverse roller 14 and the grip mechanism, and preventing the proximal end surface of the moving pin from being applied. The grip body 39 is moved by riding on the cam plate 42 from the side surface of the barrel cylinder U and being pushed, and the moving bottle blades being pushed against the grip spring AO, and the grip body 39 and the mounting cylinder are moved. The wire rod W falls into the opening gap, and then the base end surface of the movable pin blade comes off from the cam plate 42.
The grip body 39 is moved back by the grip spring 40, and the wire rod W is thereby held between the grip body 39 and the end face of the mounting bracket.Then, as shown in Fig. 1O, the rotating plate is stopped and the cutting mechanism is activated. The cutting cylinder mechanism 43 of 49 is operated, and the cutting*
52 is cut by pushing the cutting pin 53, the wire W located between the bobbin 3 and the grip mechanism* is cut, and the fully wound bobbin 3 is pulled out in the axial direction of the winding shaft 2. When the motor 46 is removed, the rotating plate A is further rotated, and the wire W is pulled out so that it is located in the gap S formed between one side of the bobbin 3 and the wire holding body as shown in FIG. stops, and in this state, insert a new empty bobbin 3 from the axial direction of the winding shaft 2 and hold it by the holding mechanism 4. As shown in FIG. W
is held, and the pressing member is pushed by the cylinder mechanism 43, and the movement of the moving pin opens the gap between the grip member 39 and the end face of the mounting opening, and the wire W is released. In this state, as shown in FIG. The winding shaft 2 is driven and rotated, the swing arm 11 also moves back, and as shown in FIG. By rotating the plate, the grip mechanism returns to the position shown in FIG. 8, thereby allowing the bobbin replacement work to be performed.

Therefore, by rotating the grip mechanism once in the direction opposite to the rotational direction of the bobbin 3, the bobbin can be replaced, and the cutting mechanism 49 can cut the hard wire W well, improving work efficiency. .

FIG. 15 shows an embodiment applied to another wire winding device, in which the holding mechanism 4 is different from that of the first embodiment, that is, the first embodiment winds the bobbin 3. Take shaft 2
However, in this second embodiment, a tapered portion 59 that fits between the tapered holes at the center of one side of the bobbin 3 is attached to the tip of the winding shaft 2. A push shaft hammer having a tapered portion 61 that fits into a tapered hole at the center of the other side of the bobbin 3 is disposed so as to be movable in the axial direction of the winding shaft 2, and the taper portion 59 and the taper of the push shaft Q Part 61
The structure is such that the bobbin 3 is clamped and held by the winding shaft 2, and the bobbin 3 is supplied and taken out from the radial direction of the winding shaft 2.The other structure is the same as that of the first embodiment. The same reference numerals will be cited and the explanation will be omitted.

This second embodiment also provides the same effects as the first embodiment.

〔Effect of the invention〕

As described above, the present invention makes it possible to replace the bobbin by rotating the grip mechanism once in the direction opposite to the direction of rotation of the bobbin, and also improves work efficiency by allowing the cutting mechanism to cut hard wire rods well. Can be done.

As described above, the intended purpose can be fully achieved.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; Fig. 1 is an overall schematic diagram of the first embodiment, Fig. 2 is a front view of the part, Fig. 3 is a partial sectional view thereof, and Fig. 4 is a partial sectional view thereof. AA line sectional view, 5th
The figure is a sectional view taken along the line B-B, and FIG. 6 is a partial front sectional view thereof.
FIG. 7 is a sectional view taken along the line C--C, FIGS. 8 to 14 are illustrations of the operating process, and FIG. 15 is a sectional view of the embodiment. W... Wire rod, 2... Winding shaft, 3... Bobbin, 4...
... Holding mechanism, 5... Traverse mechanism, Machining... Wire holding body, O... Grip mechanism, Decay... Rotating mechanism, 49
...cutting mechanism. February 3, 1999

Claims (1)

[Claims] The winding shaft is equipped with a holding mechanism that holds the bobbin and a traverse mechanism that can guide the wire in the axial direction of the bobbin, and the winding shaft is provided with a wire holding body that can face one side of the bobbin. and a grip mechanism that can hold and release the wire located between the traverse mechanism and the bobbin is disposed outside the gap formed between one side of the bobbin and the wire restrainer, A rotation mechanism is provided to rotate the grip mechanism in a direction opposite to the direction in which the bobbin rotates when replacing the bobbin, and a wire rod located between the bobbin and the grip mechanism is provided at a position forward of the grip mechanism in the rotation direction. A wire winding device characterized in that it is configured with a cutting mechanism capable of cutting.