JP2599655Y2 - Compression molding head of stranded wire machine - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention is to produce a conductor having a fan-shaped or arbitrary cross-sectional shape by passing a wire twisted at a twisting port of a rigid-type twisting machine between forming rolls. For a compression molding head of a stranded wire machine.

[0002]

2. Description of the Related Art In general, for example, a compression molding head of a rigid type twisting machine for manufacturing a divided conductor having a sector shape in a cross section is provided on a rotating frame which is rotated about the axis of a fed twisted wire. It is configured such that forming roll means composed of a pair of upper and lower forming rolls is replaceably arranged. As the forming roll means, a UV roll means composed of a combination of a U-roll having a forming groove corresponding to a fan-shaped arc surface formed on the outer circumference and a V-roll having a V-shaped forming groove formed on the outer circumference; There are three-way roll means composed of a combination with flat rolls whose rotation axes form an angle α and are arranged in a V-shape. Usually, compression molding heads have (1) UV roll means in front and rear stages. Arranged in parallel, or
(2) A configuration in which a three-way roll means is arranged at the first stage and a UV roll means is arranged at the second stage.

[0003]

However, as in the above-mentioned method (1), the compression molding head in which the UV roll means are arranged in parallel in the front and rear stages, is provided with both side edges of the molding groove of each U and V roll. However, there is a problem that the shape of the stranded wire is insufficient, the edges of both sides of the sector are rounded, and the desired sectional shape of the sector of the divided conductor cannot be obtained. Furthermore, regarding the V-roll,
In the V-shaped groove, since the outer diameter of the groove portion is different, the peripheral speed of the roll is different between a portion near the outer peripheral surface of the V-roll and a portion near the bottom of the V-time groove, and the feed speed for the stranded wire to be formed. However, there is a disadvantage that there is variation.

In addition, at the time of roll replacement, it is necessary to remove one side of the roll housing from the main body frame in order to pull out and insert the roll from the roll shaft, so that much time was required for the roll replacement.

[0005] On the other hand, according to the method (2), the stranded wire is formed by the three-way roll means constituted by sandwiching the U roll between the flat rolls. Is performed sufficiently, a desired sectoral sectional shape of the divided conductor is obtained, and the disadvantage of the method (1) is eliminated.

However, the compression molding head employing the combination of the three-way UV roll means as in the above method (2) has the above-mentioned problems with respect to the UV roll means when replacing the roll. With respect to the three-way roll means, in order to remove the housing carrying the roll means from the main body frame for roll replacement,
It was necessary to remove the posts that were bolted to the body frame.

After the assembly, the opening and closing operations of the upper and lower forming rolls are adjusted independently by the U roll and the flat roll, so that it is difficult to center the wire.
It took a lot of time to adjust each roll.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a compression molding head of a twisting machine which can easily perform a setup change when changing rolls.

[0009]

The above object can be achieved by the compression molding head of the twisting machine according to the present invention.
In summary, the present invention is a compression molding head of a stranded wire machine in which a forming roll means composed of a pair of upper and lower forming rolls is arranged on a rotating gantry for forming a stranded wire into a predetermined cross-sectional shape,
The molding roll means has a roll gantry for supporting the upper and lower molding rolls, and the roll gantry is slidably supported by abutting a side surface of the support frame fixed to the rotating gantry, and A restricting member having a guide groove slidably fitted to the support frame is formed on the roll base, and the restricting member can be pulled out to the side of the support frame. A compression molding head of a stranded wire machine, wherein a notch groove is formed.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The compression molding head of a twisting machine according to the present invention will be described in more detail with reference to the drawings.

1 to 5 show one embodiment of a compression molding head of a twisting machine according to the present invention. In this embodiment, as shown in FIG. 4, the compression molding heads are rotated around a passage center O of the stranded wire fed from the twisting port of the rigid-type stranded wire machine, and parallel to each other. The placed rotating frame 2 (2
A, 2B). The two rotating frames 2 (2A, 2B)
Are integrated by four columns 4,
Between (2A, 2B), the cross-sectional shape of the stranded wire is a predetermined shape,
In the present embodiment, the forming roll means 10 (1
0A, 10B) are arranged.

According to this embodiment, the forming roll means 10
Is a three-way roll means 10A for preliminary compression of the preceding stage,
It is constituted by UV roll means 10B arranged at the subsequent stage.

First, a description will be given of the former three-way roll means 10A. As best understood with reference to FIGS. 1 and 2, the three-way roll means 10A includes a housing 12 (12a, 12b) arranged in parallel and a connecting member 14 for integrally connecting the two housings 12 together. And a roll base 16 configured in a substantially portal shape, and the rotation support shaft 18a of the U-roll 18
It is rotatably mounted via. Further, the three-way roll means 10A includes a roll base 20 integrally formed and positioned below the U-roll 18, and a rotation support shaft 22a of a pair of flat rolls 22 has a bearing 23 on the roll mount 20. It is rotatably supported via the. This two flat roll 2
2 are arranged such that their rotation axes form an angle α and sandwich the U roller 18 therebetween.

Further, in order to slidably support the roll gantry 16, 20, a main body frame fixed to the rotary gantry 2 is provided. That is, in the present embodiment, the main body frame is in the form of an elongated rail having a rectangular cross section, and the four support frames 24 (24A, 24B, 24C,
24D). And a pair of frames 24A, 2
4B is provided with a suitable support plate 26 on the rotary base 2A.
The other two frames 24C and 24D are fixed by bolts or the like via FIG.
0 and the upper and lower connecting plates 32 and 34
A, 24B.

More specifically, each housing 12a, 12b of the U-roll 18 and the roll base 2 of the flat roll 22
The side portions of the both sides of the support frame 24 facing the support frame 24 are slidably supported in contact with the support frame 24. Further, the housings 12a and 12b and the roll base 2
Regulation members 36 and 38 are provided on the side of the 0, and U-shaped guide grooves 40 and 42 are formed by the regulation members 36 and 38 and the side surface of the roll base, respectively. Each guide groove 40, 42 is slidably fitted to the support frame 24,
Thereby, the movement of the roll gantry 16, 20 is restricted to a one-way movement along the frame 24.

Further, the housings 12a, 1
A joint plate 44 is integrally fixed to the upper surface of the connecting member 14 connecting the 2b. The joint plate 44 has a U-shaped opening 44a on the upper surface, a guide groove 44b on the inner side, a so-called T-groove with one end open, and a lower end of the jack screw 50 formed in this portion. The flange 52 and the prism guide 54 are fitted. As shown best in FIG. 2, the jack screw 50 has an upper thread portion 56 threadedly engaged with a worm wheel 58 having a thread groove therein. The worm wheel 58 is connected to the upper plate 3 of the support frame 24.
2 is rotatably mounted via a bearing 33.
The worm wheel 58 meshes with a worm gear 60 rotatably attached to the connecting side plate 28, and is driven to rotate by rotating the worm gear 60. When the worm gear 60 rotates, the jack screw 50 moves up and down, whereby the U-roll 18 can move up and down along the support frame 24.

Similarly, as will be understood with reference to FIGS. 2 and 4, a joint plate 62 is also integrally fixed to the lower surface of the roll base 20 of the flat roll 22. This joint plate 62 is the joint plate 4
4 and a jack screw 64 having the same shape as the jack screw 50 also in the opening thereof.
The flange 66 and the prism guide 68 formed at the upper end of the boss are fitted. The jack screw 64 has a lower screw portion 70.
Are screwed into a worm wheel 72 having a screw groove inside. The worm wheel 72 is rotatably mounted on the lower connection plate 34 of the support frame 24 via a bearing 73. Also, this worm wheel 72
Are meshed with a worm gear 74 rotatably attached to the connecting side plate 30.
4 is rotated and driven. When the worm gear 74 rotates, the jack screw 64 moves in the vertical direction, whereby the flat roll 22 can move in the vertical direction along the support frame 24.

One end of the rotation shaft of each of the worm gears 60, 74 projects outward from the connecting side plates 28, 30, respectively, and bevel gears 76, 78 are attached to the ends thereof.

According to the present embodiment, as can be understood from FIG. 2, the operating shaft 80 is located on the side of the three-way roll means 10A and is mounted on the rotary base 2 via a bearing (not shown). And can be freely rotated. Driving bevel gears 82 and 84 meshing with the bevel gears 76 and 78, respectively, are attached to the operation shaft 80, and a parallel key portion or hexagonal heads 86 and 88 formed at the shaft end of the operation shaft 80 have handles Alternatively, the worm gears 60 and 74 can be simultaneously driven to rotate by attaching and rotating a hexagon socket (not shown) with an air driver. That is, by rotating the operation shaft 80, the U-roll 18 and the flat roll 22 can be moved closer to each other or moved in a direction away from each other. With such a configuration, the operating shaft 8 protruding upward or downward without being hindered by the support frame 24.
The shaft ends 86 and 88 can be easily rotated and driven by a handle or a hexagon socket with an air driver.
The so-called "opening / closing operation" of the U roll 18 and the flat roll 22
Can be easily performed.

In the present embodiment, the U-roll 18 is provided with a forming groove formed on the outer periphery thereof with an arc surface corresponding to a part of the fan-shaped cross-sectional shape of the stranded wire. As described above, it is rotatably supported on the roll gantry 20 via the rotating shafts 22a arranged in a V-shape at an angle α and cooperates to form a V corresponding to a part of the fan-shaped cross-sectional shape of the stranded wire. Defines a character surface. That is, the U-roll 18 and the pair of flat rolls 22 installed at a predetermined distance define a sector corresponding to the cross-sectional shape of the divided conductor.

Next, the UV roll means 10B at the subsequent stage will be described. As best understood with reference to FIGS. 3 and 4, the UV roll means 10B comprises two flat rolls 22, 22 in the previously described three-way roll means 10A.
Instead of using one V-roll,
The structure is substantially the same as the three-way roll means 10A.

That is, the U roll 18 'and the roll base 16' of the UV roll means 10B are connected to the three-way roll means 10A.
Has exactly the same structure as the U-roll 18 and the roll base 16. Therefore, members having the same configuration and operation are denoted by the same reference numerals with (') appended thereto, and detailed description thereof will be omitted.

The V roll 90 of the UV roll means 10B
Are parallelly arranged housings 92 (92a, 92a).
b) and a roll base 96 composed of a connecting member 94 for integrally connecting the two housings 92, and a rotation support shaft 90 a of the V-roll 90 is rotatably mounted on the roll base 96 via a bearing 91. It is attached.

In order to slidably support the roll base 96, a main body frame fixed to the rotary base 2 is provided. That is, in the present embodiment, the three-way roll means 1
0A, the main body frame is composed of four support frames 24 ′ (2
4'A, 24'B, 24'C, 24'D), and the pair of frames 24'C, 24'D
Next, a suitable support plate 26 and a support boss 98 (FIG. 4)
The other two frames 24'A, 24'B are fixed to the side connection plate 28 ',
30 'and upper and lower connecting plates 32' and 34 'are fixed to the frames 24'C and 24'D.

Further, each housing 92 of the V-roll 90
Similarly to the U-roll housing 12, a regulating member 100 (FIG. 4) is provided on both sides of the supporting frame 24, similarly to the U-roll housing 12, and the regulating member 100 has a U-shape. A guide groove 102 is formed.
The guide groove 102 is slidably fitted to the support frame 24, whereby the roll base 96 is slidably supported on the frame 24.

The housings 92a, 9 of the V-roll 90
A joint plate 104 is integrally fixed to the lower surface of the connecting member 94 connecting the 2b, similarly to the U-roll 18. A flange 66 ′ formed at the lower end of the jack screw 64 ′ and a prismatic guide 68 ′ are fitted in a T-shaped groove formed in the joint plate 104 with one end opened. Such a structure is exactly the same as the structure of the jack screw 64 for the flat roll 22 of the three-way roll means 10A described above.

That is, the lower screw portion 70 'of the jack screw 64' is screwed into a worm wheel 72 'having a screw groove therein. This worm wheel 7
2 'is rotatably attached to the lower connection plate 34' of the support frame 24 '. The worm wheel 72 'meshes with a worm gear 74' rotatably attached to the connecting side plate 30 ', and is driven to rotate by rotating the worm gear 74'. When the worm gear 74 'rotates, the jack screw 64' moves up and down, whereby the V-roll 90 can move up and down along the support frame 24 '.

One end of the rotating shaft of each of the worm gears 60 ', 74' is connected to the connecting side plate 28 ', 30', respectively.
Project outward, and bevel gears 76 ', 7
8 'is attached.

According to this embodiment, as can be understood from FIG. 3, the operating shaft 80 'is located on the side of the UV roll means 10B, and a bearing (not shown) is mounted on the rotary base 2. It is rotatably mounted via. Driving bevel gears 82 ′ and 84 ′ meshing with the bevel gears 76 ′ and 78 ′ are attached to the operating shaft 80 ′.
Parallel key portion or hexagonal head 8 formed at the shaft end of 0 '
By attaching a handle or a hexagon socket (not shown) with an air driver (not shown) or the like to the 6 ', 88' and rotating them, the worm gears 60 ', 74' can be driven to rotate simultaneously. That is, by rotating the operation shaft 80 ', the U roll 18' and the V roll 90 can be moved closer to each other or moved in a direction away from each other. As described above, by adopting such a configuration, in particular, the shaft end of the operating shaft 80 ′ projecting upward or downward without being hindered by the support frame 24 ′ is provided with a handle or an air driver. It can be easily rotated and driven with a hexagon socket, etc.
And, the so-called "opening / closing operation" of the V-roll 90 can be easily performed.

In this embodiment, the U-roll 18 'is provided with a forming groove formed on the outer periphery thereof with an arc surface corresponding to a part of the fan-shaped cross-sectional shape of the stranded wire, and the V-roll 90 is provided with The outer circumference is provided with a forming groove which forms a V-shaped surface corresponding to a part of the fan-shaped cross-sectional shape of the stranded wire, and both rolls 18 ′ and 90 cooperate to correspond to a part of the fan-shaped cross-sectional shape of the stranded wire. To define a V-shaped surface. That is, the U-roll 18 'and the V-roll 90 installed at a predetermined distance define a sector corresponding to the cross-sectional shape of the divided conductor.

Further, according to the present invention, each U-roll 18,
18 ′, the flat roll 22 and the V roll 90
It is configured to be easily detachable from 4, 24 '.

That is, referring to FIG. 1 and FIG. 4, each frame 24, 24 'is provided with each roll base 16,
Regulation members 36, 3 provided on the side portions of 20, 16 ', 96
Notch grooves 36A, 3A, 3A, 3D having a width and depth larger than the width and height of 8, 36 ', 100, respectively.
8A, 36'A, and 100A are formed at positions adjacent to these regulating members, respectively.

Therefore, for example, when it is desired to remove the U-roll 18 from the apparatus body and replace it with another roll by the three-way roll means 10A, the handle or the hexagon socket is connected to the shaft end 86 or 88 of the operating shaft 80. Into the operating shaft 80
Is rotated to move the U-roll 18 upward. Thus, when the regulating member 36 of the roll base 16 coincides with the notch groove 36A of the support frame 24, the U-roll 1
1 along with the roll base 16 in the direction of the arrow in FIG. 1, the regulating member 36 of the roll base 16 passes through the notch groove 36A from the support frame 24 without being disturbed by the support frame 24. Can be removed to the side,
On the other hand, the jack screw 50 can also be detached from the opening of the joint plate 44 which is formed as the T groove.

Similarly, when it is desired to replace the flat roll 22 with another roll, the flat roll 22 is moved downward by operating the handle or the hexagon socket.
The regulating member 38 of the roll base 20 is aligned with the notch groove 38A of the support frame 24. Then, when the flat roll 22 is moved together with the roll base 20 in the direction of the arrow in FIG.
4 can be laterally removed from the support frame 24 through the cutout groove 38A without being disturbed by the joint screw 6.
The second T-groove can be separated from the opening.

A new roll to be replaced can be easily mounted on the support frame by taking the roll stand in reverse order.

As for the UV roll means 10B, similarly to the three-way roll means 10A, the rolls 18 'and 90 are detachable from the support frame 24'.

As described above, according to the present invention, each roll, together with the roll base, is passed through the gap between the support frames.
The device can be pulled out to one side to the side. For this reason, it is not necessary to disassemble and remove a part of the apparatus such as a forming roll and a housing each time the roll is changed, as in the related art, and the changeover of the roll can be performed easily and in a short time. It is possible. Further, the roll can be set up outside the apparatus, and can be easily incorporated into the apparatus main body, so that the workability is improved, and eventually, the time required for the roll changeover can be reduced.

In the above embodiment, the case where the divided conductor having a sectoral cross section is formed has been described. However, the present invention can be applied to the case where a conductor having a circular cross section is formed. Instead of the above-mentioned rolls, a forming roll having a forming groove having a substantially semicircular cross section may be used.

Further, in the above embodiment, a two-stage compression molding head having a three-way roll means in the front stage and a UV roll means in the rear stage has been described with respect to the forming direction of the stranded wire, but the present invention is not limited to this. However, the present invention can be applied to, for example, a single-stage compression molding head.

[0040]

As described above, the compression molding head of the twisting machine according to the present invention includes a pair of upper and lower molding rolls for forming a twisted wire into a predetermined cross-sectional shape on a rotary mount. With the compression molding head of the arranged twisting machine, a roll gantry carrying each of the upper and lower molding rolls of the molding roll means is slidably supported by abutting on a support frame fixed to the rotating gantry, and On the mount,
A regulating member having a guide groove slidably fitted to the support frame is formed, and a notch groove is formed on the support frame to allow the restricting member to be pulled out to the side. Therefore, each forming roll can be pulled out to one side of the apparatus main body through the gap between the support frames together with the roll stand, so that each time the roll is replaced, the forming roll, the housing, etc. In addition, the operation of disassembling and removing a part of the device is not required, and the changeover of the roll can be easily and quickly performed. In addition, the roll can be set up outside the device, and can be easily incorporated into the main body of the device, workability is improved, and eventually, the time required for roll changeover can be shortened. Very useful in practice.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a three-way roll means of an embodiment of a compression molding head of a twisting machine according to the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG. 4;

FIG. 3 is a sectional view taken along line III-III in FIG. 4;

FIG. 4 is a side view of a compression molding head of the twisting machine.

FIG. 5 is a plan view of a compression molding head of the twisting machine.

[Explanation of symbols]

 2 Rotation stand 4 Post 16, 20 Roll stand 18, 18 'U roll 22 Flat roll 24 Support frame 36, 38 Restriction member 36A, 38A Frame notch groove 36', 100 Restriction member 36'A, 100A Frame notch groove

Continuation of the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) H01B 13/02 B21F 7/00

Claims (1)

(57) [Scope of request for utility model registration] 1. A compression molding head of a twisting machine in which a forming roll means comprising a pair of upper and lower forming rolls is arranged on a rotating gantry for forming a stranded wire into a predetermined sectional shape, wherein the forming roll means comprises: It has a roll gantry that carries each of the upper and lower forming rolls, and the roll gantry is slidably supported by contacting a side surface thereof with a support frame fixed to the rotary gantry, and the roll gantry has A restricting member having a guide groove slidably fitted to the support frame is formed, and the support frame has a notch groove that allows the restricting member to be pulled out to the side. A compression molding head for a stranded wire machine, wherein the compression molding head is formed.