JP3039194B2 - Compression molding die lubrication cooling method and compression molding die lubrication cooling device in compression stranded conductor manufacturing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lubricating and cooling method for a compression molding die and a lubricating and cooling apparatus for a compression molding die in an apparatus for manufacturing a compression stranded conductor such as a high-speed double-twist twisting machine.

[0002]

2. Description of the Related Art For example, Japanese Patent Publication No.
JP-A-62631 has a structure disclosed in Japanese Patent Application Laid-Open No. 62631/1993. In the twisting machine disclosed in this publication, as shown in FIG. After passing, it is guided by the first turn roller 4. Then, after being guided to the second turn roller 6 via the fryer 5,
Guided to the capstan unit 7.

[0003] The capstan section 7 is provided with a driving car 9a, a driven car 9b of a first capstan provided on a cradle 8, and a second capstan.
The vehicle includes a capstan drive vehicle 10a and a driven vehicle 10b. The first capstan drive vehicle 9a and the second capstan drive vehicle 10a are rotated synchronously, and the diameter of the second capstan drive vehicle 10a is adjusted. Is the driving car 9 of the first capstan
It is configured to be larger than the diameter of a.

A multi-layer stranded wire 11 twisted twice per one rotation of the fryer 5 is connected to a driving wheel 9a of the first capstan, a driven wheel 9b and a driving wheel of the second capstan having a larger diameter. 10a, a compression molding die 12 provided on the cradle 8 side while moving to the driven vehicle 10b.
And then wound up on a winding drum 14 via a traverse device 13, where a stranded wire as a circular compression stranded conductor is manufactured. In the figure, reference numeral 15 denotes a guide roller.

[0005]

However, according to the structure of the above-mentioned conventional twisting machine, the compression molding die 12 is drastically consumed due to the heat generation and the like at the time of compression molding of the multilayer stranded wire 11 and is manufactured. There was a problem that the quality of the stranded wire was not stable.

Further, since the compression molding dies 12 are consumed greatly, the frequency of replacing the worn compression molding dies 12 is high.
In addition to the increase in die cost, it is necessary to stop the twisting machine and replace the compression molding die 12 each time, resulting in poor productivity.

In view of the above problems, the present invention aims to improve the life of a compression molding die, thereby improving the quality and productivity and reducing the cost. An object of the present invention is to provide a lubrication cooling method and a compression molding die lubrication cooling device.

[0008]

The technical means of the method for achieving the above object is to twist a plurality of supplied wires by rotating a fryer and to set a compression wire installed inside a rotation locus of the fryer. In the apparatus for manufacturing a compressed stranded conductor that performs compression molding by passing through a forming hole of a forming die, a lubricating-droplet supply mechanism is provided inside a rotation locus of the fryer, and a lubricating liquid circulation pump and a battery for driving the pump are provided. lubricating liquid return mechanism is provided, accommodating the compression molding die is a die holder concave having
The lubricating liquid is attached in a state of being housed in the section, and the lubricating liquid flows down onto the surface of the molding hole of the compression molding die from the lubricating liquid drop supply mechanism in the accommodation recess , or immediately before entering the molding hole of the compression molding die. The lubricating liquid is dropped on each of the strands, and the compression molding die at the time of compression molding is lubricated with the lubricating liquid and cooled, and the excessively dripped lubricating liquid is circulated by driving the pump by the battery. It is in.

Further, the technical means of the apparatus for achieving the above object is to twist a plurality of supplied wires by rotating a fryer, and to form a compression molding die installed inside the rotation locus of the fryer. In the apparatus for manufacturing a stranded conductor for compression which is compression-molded by passing through a hole, the compression molding
Dice housed in housing recess of die holder
The lubricating liquid drop supplying mechanism for supplying a lubricating liquid dropwise to the surface of the forming hole of the compression molding die, or to each element wire immediately before entering the forming hole of the compression molding die , in the accommodation recess, A lubricating fluid circulation pump for circulating and using an excessively dripped lubricating fluid and a lubricating fluid return mechanism having a battery for driving the pump are provided inside the rotating locus of the fryer. It is in the point.

[0010]

According to the lubricating method and the lubricating and cooling apparatus of the present invention, the lubricating material is supplied to the surface of the forming hole of the compression die or to each element wire immediately before entering the molding hole of the compression die. The lubricating liquid lubricates and cools the compression molding dies during compression molding, which effectively prevents the wear of the compression molding dies, thereby improving the durability of the compression molding dies and improving the durability of the compression molding dies. The life is improved. At this time, the recess of the die holder
Lubricating liquid flows down to the surface of the molding hole of the compression molding die
Or just before entering the forming hole of the compression molding die.
Lubricating liquid is supplied dropwise to each strand.
Effectively prevents the effects of wind force due to fryer rotation
As a result, a stable supply state of the lubricating liquid is obtained.

Further, since the life of the compression molding die is improved, the cost of the compression molding die for replacement can be reduced, and the quality of the produced compression stranded wire conductor can be stabilized and the quality can be improved. Since the frequency of changing the compression molding dies can be reduced, the productivity is improved. In addition, extra drops
The number of times of lubrication liquid replenishment is small because
I can do it.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a compression molding die lubrication cooling method and a compression molding die lubrication cooling device in the apparatus for manufacturing a compression stranded wire conductor of the present invention will be described below with reference to the drawings. In the drawings, the same reference numerals are given to the same components as in the related art.

FIG. 3 shows a stranded wire machine 2 as a compression stranded wire manufacturing apparatus.
FIG. 2 shows a schematic diagram of the stranded wire machine 20 in the same manner as described above, except that the perforated plate 2, the assembling die 3, the first turn roller 4, the fryer 5, the second turn roller 6, the capstan unit 7, the cradle 8, the compression molding. The apparatus includes a die 12, a traverse device 13, a winding drum 14, and the like, and a compression molding die lubrication cooling device 22.

As shown in FIG. 4, the capstan portion 7 includes a driving wheel 9a for the first capstan, a driven vehicle 9b, and a driving wheel 10b for the second capstan provided on the cradle 8.
a, a driven vehicle 10b is provided, the driving vehicle 9a of the first capstan and the driving vehicle 10a of the second capstan are rotated synchronously, and the diameter of the driving vehicle 10a of the second capstan is the first capstan. Of the driving wheel 9a.

Then, a plurality of element wires 1 sequentially supplied are provided.
Is sequentially guided by the eye plate 2, the collecting die 3, and the first turn roller 4, and then the second turn roller 6
Will be guided to. At this time, a multilayer stranded wire 11 in which each strand 1 is twisted twice for one rotation of the fryer 5 is obtained.

Thereafter, the multilayer stranded wire 11 is guided by the driving wheel 9a and the driven wheel 9b of the first capstan, and then guided to the driving wheel 10a of the second capstan via the guide roller 15 and the compression molding die 12. Is done. At this time, the driving wheel 9a of the first capstan and the driving wheel 10a of the second capstan are rotated synchronously, and the diameter of the driving wheel 10a of the second capstan becomes larger than the diameter of the driving wheel 9a of the first capstan. Because of this configuration, the multilayer stranded wire 11 passes through the forming hole 12a of the compression molding die 12 while receiving tension, and is compression molded into a circular shape.

Then, the driving vehicle 10 of the second capstan
a, it is guided to the traverse device 13 via the driven vehicle 10b, and then wound up on the winding drum 14, where a stranded wire as a circular compression stranded conductor is manufactured.

The compression molding die lubricating cooling device 22 comprises:
As shown in FIG. 4, a lubricating liquid tank 23 for containing a lubricating liquid such as lubricating oil, a lubricating liquid conduit 24 for guiding the lubricating liquid from the lubricating liquid tank 23 to the compression molding die 12 side,
A lubricating liquid tray 25 for collecting the lubricating liquid, a lubricating liquid return pipe 26 for guiding the lubricating liquid collected by the lubricating liquid tray 25 to the lubricating liquid tank 23, and a lubricating liquid return pipe 26 A pump 27 and a battery 28 for driving the pump 27 are provided. These lubricating liquid tank 23, lubricating liquid conduit 24, lubricating liquid receiving tray 25, lubricating liquid return pipe 26, pump 27, and battery 28 are connected to the cradle 8 side. Mounted and supported.

[0019] The compression molding die 12, as shown in FIGS. 1 and 2, while being accommodated in the accommodating recess 31 of the die holder 30 which is attached the cradle 8 side
In, and detachably mounted in position on the bottom one side of it.

Further, a forming hole 12a of the compression molding die 12 is formed.
At each position of the die holder 30 corresponding to the axial center direction, a play insertion groove 32 and a play insertion hole 33 into which the multilayer stranded wire 11 is made to be freely inserted are formed. The lubricating liquid introduction hole 35
Are formed. Further, a lubricating liquid discharge hole 36 is formed at the bottom of the housing recess 31 of the die holder 30.

At the end of the lubricating liquid conduit 24 on the compression molding die 12 side, as shown in FIG. 1, a small lubricating liquid supply hole 24a is provided.
Is disposed above the lubricating liquid introduction hole 35.

Also, the compression molding die 1 for the lubricating liquid conduit 24
A lubricating liquid guide wire 37 made of a small-diameter wire is
The lubricating liquid guide wire 37 projecting from the lubricating liquid supply hole 24a passes through the lubricating liquid introduction hole 35 and enters the molding hole 12a of the compression molding die 12 in a multilayer twist. It is arranged to be located above the line 11.

Further, the lubricating liquid tank 23 is disposed at a position having an appropriate height such that the lubricating liquid is guided by its own weight toward the lubricating liquid supply hole 24a of the lubricating liquid conduit 24,
Further, the lubricating liquid receiving tray 25 is disposed below the lubricating liquid discharge hole 36.

The lubricating liquid supplied to the lubricating liquid tank 23 is supplied through the lubricating liquid conduit 24 to the lubricating liquid supply hole 24.
a, and immediately before entering the forming hole 12a of the compression molding die 12 through the lubricating liquid guide wire 37.
1, the lubricating liquid guide wire 37 is supplied dropwise onto the multilayer stranded wire 11 from the lower end thereof. Here, the lubricating liquid tank 23, the lubricating liquid conduit 24, and the lubricating liquid guide line 37 constitute a lubricating liquid droplet supply mechanism.

The housing recess 31 of the die holder 30
The lubricating liquid accumulated in the pump is stored in the lubricating liquid receiving tray 25 through the lubricating liquid discharge hole 36, and the pump 2 is driven by the battery 28.
7 is returned to the lubricant tank 23 through the lubricant return pipe 26. Here, the lubricating fluid is circulated use, this
These lubricating liquid receiving pan 25, lubricating liquid return pipe 26, pump 2
7. The lubricating fluid is circulated and used by the battery 28.
A synovial fluid return mechanism is configured.

The twisting machine 20 of the present embodiment is configured as described above, and has a structure in which the lubricating liquid is supplied dropwise to the multilayer stranded wire 11 immediately before entering the forming hole 12a of the compression molding die 12. In this method, the multilayer stranded wire 11 to which the lubricating liquid has adhered is compression-molded into a circular shape in the forming hole 12a of the compression molding die 12, and the lubricating liquid adhered to the multilayer stranded wire 11 lubricates the compression molding die 12 during compression molding. The cooling of the compression molding die 12 can be effectively prevented, and the durability of the compression molding die 12 can be improved, and the life of the compression molding die 12 can be improved.

Further, since the life of the compression molding die 12 is improved, the cost of the compression molding die 12 for replacement can be reduced, the cost can be reduced, and the quality of the multilayer stranded wire 11 to be manufactured is stabilized, Can be improved. Further, since the frequency of replacing the compression molding dies 12 can be reduced, there is an advantage that productivity is improved.

Since the flyer 5 is rotating at a high speed, the wind force due to the rotation of the fryer 5 also acts inside the rotation trajectory of the fryer 5.
In this case, the lubricating liquid is supplied dropwise to the multilayer stranded wire 11 in the form of a drip in the receiving recess 31, so that there is no hindrance to the supply of the lubricating liquid, and a stable lubricating liquid supply state is obtained. Can be

Further, since the supplied lubricating liquid is collected in the lubricating liquid receiving tray 25 and returned to the lubricating liquid tank 23, and the lubricating liquid is circulated and used, the number of times of supplying the lubricating liquid to the lubricating liquid tank 23 can be reduced. .

Further, the circulation pump 27 is connected to the battery 2.
Since the system is driven by the motor 8, it can be easily installed inside the rotating body, and is suitable for installation inside the fryer 5 as in this embodiment.

The driving of the pump 27 may be controlled so that the pump 27 is driven for a predetermined time when a predetermined amount of lubricating liquid has accumulated in the lubricating liquid receiving tray 25.

In the above embodiment, the forming hole 12a
5 shows a structure in which the lubricating liquid is dropped onto the multilayer stranded wire 11 immediately before entering the wire. However, as shown in FIG. 5, the lower end of the lubricating liquid guide wire 37 is arranged in contact with the upper part of the forming hole 12a. The lubricating liquid is supplied dropwise to the surface of the molding hole 12a,
The structure in which the lubricating liquid flows down along the surface 2a may be used. In this case, when supplying the lubricating liquid, the fryer 5
Since the wind force caused by the rotation does not affect much, the compression molding die 12 may be mounted in an exposed state.

Further, a structure is shown in which the lubricating liquid is supplied dropwise to the multilayer stranded wire 11 using the lubricating liquid guide wire 37. As shown in FIG. Part is gradually reduced in diameter, and the lubricating liquid supply hole 2 is formed.
4a, the lubricating liquid may be dropped directly onto the multilayer stranded wire 11 and, as shown in FIG. The lubricating liquid may be guided along the lubricating liquid guide line 37 while holding the upper end.

Also, the structure of the twisting machine 20 is not limited to the structure of any embodiment, and may be used for compression molding dies of twisting machines of various structures.

[0035]

As described above, according to the compression molding die lubrication cooling method in the apparatus for manufacturing a compression stranded wire conductor of the present invention,
Inside the rotation locus of the fryer, there is provided a lubricating liquid drop supplying mechanism, and a lubricating liquid circulation pump and a lubricating liquid return mechanism having a battery for driving the pump are provided . To
Each wire is attached in a housed state, and the lubricating liquid is allowed to flow down to the surface of the molding hole of the compression molding die from the lubricating droplet supply mechanism in the accommodation recess , or each element wire immediately before entering the molding hole of the compression molding die. The lubricating liquid is dripped against the lubricating liquid, and the compression molding die during lubrication is lubricated with the lubricating liquid and cooled, and the extra dripped lubricating liquid is circulated by driving the pump with a battery. According to the compression molding die lubrication cooling device in the stranded conductor manufacturing equipment, the compression molding die is placed in the accommodation recess of the die holder.
The lubricating liquid is supplied under the lubricating liquid drops to the surface of the forming hole of the compression molding die or each element wire immediately before entering the molding hole of the compression molding die in the accommodation recess. A mechanism is provided inside the rotation locus of the fryer, and a lubricating fluid return mechanism having a lubricating fluid circulating pump for circulating and using an excess of lubricating fluid and a battery for driving the pump is provided inside the rotating locus of the fryer. The lubricating liquid supplied to the surface of the molding hole of the compression molding die or each wire immediately before entering the molding hole of the compression molding die lubricates the compression molding die during compression molding. As a result, the wear of the compression molding die can be effectively prevented, and the durability of the compression molding die is improved, and the life of the compression molding die is improved. Improvement can be achieved. Also, the flyer
Even inside the rotation trajectory, wind power from the rotation of the flyer
Works, but when lubricating liquid is supplied,
Lubricant is applied to the surface of the molding hole of the compression molding die in the accommodation recess.
Flow down or penetrate the forming hole of compression molding die
The lubricating fluid is dropped and supplied to each strand immediately before.
The effect of wind force due to fryer rotation
And a stable supply state of the lubricating fluid is obtained. Follow
The stable supply of this lubricating fluid allows the compression molding die
Wear can be more effectively prevented, and the durability of compression molding dies
And the life of compression molding dies is further improved.
There is an advantage to say. In addition, since the life of the compression molding dies is improved, the cost of the compression molding dies for replacement can be reduced, and the quality of the produced compression stranded wire conductor can be stabilized and the quality can be improved. There is an advantage that the productivity can be improved because the frequency of replacement of the components can be reduced. Furthermore, it is a system that circulates and uses the lubricating liquid that has been dripped in excess, so that the lubricating liquid can be used effectively, and the number of times of replenishment of the lubricating liquid can be reduced. In this case, there is an advantage that the space for storing the lubricating liquid may be small and the adaptability at the time of installation is excellent. In addition, since the lubricating fluid circulation pump in the lubricating fluid return mechanism is driven by a battery, there is an advantage that the lubricating fluid can be easily installed even within the rotation locus of the fryer.

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part showing a first embodiment of the device of the present invention.

FIG. 2 is a perspective view of the die holder.

FIG. 3 is an overall explanatory view of a twisting machine.

FIG. 4 is an enlarged explanatory view of the main part.

FIG. 5 is a sectional view showing a main part of a second embodiment of the apparatus of the present invention.

FIG. 6 is a sectional view showing a main part of a third embodiment of the device of the present invention.

FIG. 7 is a sectional view showing a main part of a fourth embodiment of the device of the present invention.

FIG. 8 is an overall explanatory view of a conventional twisting machine.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 strand 11 multilayer stranded wire 12 compression molding die 12 a molding hole 20 twisting machine 22 compression molding die lubrication cooling device 23 lubrication liquid tank 24 lubrication liquid conduit 24 a lubrication liquid supply hole 25 lubrication liquid receiving tray 26 lubrication liquid return pipe 27 pump 28 Battery 30 Dice Holder

Claims (2)

(57) [Claims] An apparatus for manufacturing a stranded stranded conductor, comprising: twisting a plurality of supplied wires by rotation of a fryer; and compression-molding by passing through a molding hole of a compression molding die installed inside the rotation trajectory of the fryer. Inside the rotation locus of the fryer, a lubricating liquid supply mechanism is provided, and a lubricating liquid return mechanism having a lubricating liquid circulation pump and a battery for driving the pump is provided, and the compression molding die accommodates a die holder.
The lubricating liquid is attached in a state of being accommodated in the concave portion, and the lubricating liquid flows down onto the surface of the molding hole of the compression molding die or enters the molding hole of the compression molding die in the accommodation concave portion from the lubricating liquid drop supply mechanism. A lubricating liquid is dropped onto each of the immediately preceding strands, and the compression molding die at the time of compression molding is lubricated with the lubricating liquid and cooled, and the excess dripped lubricating liquid is driven and circulated by driving the pump by the battery. A lubricating and cooling method for a compression molding die in a production apparatus for producing a compressed stranded wire conductor. 2. A compression stranded conductor manufacturing apparatus for twisting a plurality of supplied wires by rotating a fryer and compressing and molding by passing through a molding hole of a compression molding die installed inside the rotation locus of the fryer. The compression molding die is set in the accommodation recess of the die holder.
The lubricating liquid is supplied in a state where the lubricating liquid is supplied dropwise to the surface of the molding hole of the compression molding die or each element wire immediately before entering the molding hole of the compression molding die. A supply mechanism is provided inside the rotation path of the fryer, and a lubrication liquid return mechanism having a lubricating liquid circulation pump for circulating and using the excessively dropped lubrication liquid and a battery for driving the pump is provided. A compression molding die lubrication cooling device in a compression twisted wire conductor manufacturing device, which is provided inside.