JPS61297075A - Winding of wire of wire saw and apparatus thereof - Google Patents

Abstract

PURPOSE:To automatically wind a wire onto a roller group in the prescribed ways by winding the wire guiding part of a guide-supporting body in spiral wire form into each wire receiving peripheral groove of the roller group and advancing the guide-supporting body through turning in screw movement form by revolving the rollers. CONSTITUTION:When a driving roller 12 is revolved in the direction of arrow A, a guide-supporting body 22 connected in endless ring form is advanced through turning so as to advance in screw movement on each wire receiving peripheral groove 20 of a roller group 27 by a wire guiding part 26 set in a stripe of spiral wire form. Therefore, the wire 21 whose top edge part 21a is engaged so as to protrude from the side part of the guide-supporting body 22 advances, turning in screw movement, and the wire 21 is replaced into the wire receiving peripheral groove 20 after the guide-supporting body 22 on each roller 12-14 advances, and the wire 21 is wound onto the roller group 27 automatically and in the prescribed ways.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a wire winding method for winding a wire around a roll cartridge that constitutes a processing section in a wire saw that precisely cuts silicon single crystals, etc. and to the apparatus used to carry out the method.

[Conventional technology]

In general, there is a wire saw as shown in FIG. 7, and the wire saw device main body 1 consists of a base part 2 and a processing equipment installation part 3 installed on the base part 2.

A table 4 on which a workpiece such as silicon is placed is installed on the base section 2, and this table 4 is controlled to rise and fall by a drive control device section 5.

Further, the processing equipment installation section 3 is provided with a processing section 6, a wire slack absorption mechanism 7, a wire guide roller group 8, a wire supply section 9, a wire winding section 10, a control panel 11, and the like.

This processing section 6 consists of three cylindrical rollers (in this example, the total length is 1
50II11 outer diameter 80+m) drive roller 12
and two head rollers 13.14 are arranged parallel to each other.
Wire-receiving grooves, each of which is a large number of parallel annular grooves, are bored at a predetermined pitch (in this example, approximately 0°7mm). 0.1~0.31) is guided by the guide [1-R group 8] on the winding start side, passes through one roller of the slack absorption mechanism 7, and is wound around the processing section 6. to wear

In this processing section 6, the wire starts to be wound from the wire receiving groove at the starting end of the drive 1-ra 12 and is sequentially wound around the head roller 13.14. The wires are wound in a spiral pattern one after another from the circumferential groove at the starting end to the circumferential groove at the terminal end, forming a wire array arranged in accordance with the pitch of the circumferential grooves between the pair of head rollers 13 and 14. The wire is wrapped around the wire.

Furthermore, the wire passes through the other roller of the slack absorbing mechanism 7 mentioned above, and then passes through the winding 1 side guide 1-shield 11 and 18.
The wire is guided by the wire winding section 10 so that the wire is removed.

When cutting with this device, the drive motor of the processing equipment installation section 3 is activated, and the drive roller 1 of the processing section 6 is operated.
2 is driven in forward and reverse differential rotation, and the slack absorbing mechanism 7 is tilted like a seesaw so that the wire travels in a reciprocating manner while maintaining a constant tension. And processing section 6
A mixture of loose l1llt abrasive grains and a lapping plate is dripped onto a wire row running between a pair of head rollers 13 and 14, and the table 4 is moved so as to press a workpiece placed on the table 4 against it. 4 is fed upward to perform cutting or incision processing.

[Problem that the invention seeks to solve]

Such a wire saw device performs the work of winding the wire around the roller group 27 of the processing section 6, such as when replenishing and replacing the wire, which is a consumable item. This winding work involves winding an extremely thin wire in a predetermined manner from the starting end to the terminal end of the thin wire receiver in each roller group, without skipping any of the circumferential grooves. The problem is that it is extremely difficult to wind the wire so as to form a shape, and requires a skilled worker to do it over a long period of time. Furthermore, since the wire saw device cannot be operated during this work, there is a problem in that improvement in operating efficiency is hindered.

In view of the above-mentioned points, the present invention provides a method and an apparatus for carrying out the method so that even non-skilled workers can easily and quickly perform the work of winding wire around rollers in a processing section. The purpose is to provide new information.

[Means for solving problems]

The present invention is characterized in that a wire guide section is installed in which a small number (more than one turn or more of spirally wound part) is set for the wire receiving groove of the 1-R group in the processing section, and the wire is wound in this spiral manner. By keeping the distance between each corner of the twisted wire guiding part constant [1t], by rotating the roller group, this spirally wound wire guiding part can be threaded. As a method (first invention) and an apparatus (second invention) for carrying out this method, the method is characterized in that the following wires are wound around the roller group in a predetermined manner one after another in a predetermined manner. Wire guide parts that can be guided by entering each wire receiving groove of the roller group are set in the roller group of the processing section at a predetermined interval, and the wire guide parts form a spiral shape or a part thereof. The present invention is characterized in that a guide support is attached to the roller group so as to be wound around the roller group in a spiral manner, and a wire following the guide support is wound around the roller group.

[For production]

According to the first invention method as described above, by rotating the rollers of the roller group, the wire circumferential groove of the ring rod provided in parallel with each roller is rotated in a spiral shape surrounding the roller group. It has the function of automatically winding the wire, and according to the second invention, it is possible to easily and quickly set the wire guide portion to be wound spirally at a predetermined interval in the wire circumferential groove of the roller group. It has the effect of

〔Example〕

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a wire winding method and apparatus for a wire saw according to the present invention will be described below with reference to FIGS. 1 to 6. In FIGS. 1 to 6, parts □ corresponding to those in FIG. 7 are designated by the same reference numerals, and detailed explanation thereof will be omitted.

Fig. 1 shows part 1 of a wire saw which is the main part of the device of the present invention]
12 is a drive roller, 13 and 14 are head rollers, and these three rollers constitute a roller group 27. FIG.

Each of these rollers 12, 13, and 14 is provided with annular wire receiving grooves 20 arranged in parallel at predetermined intervals. At the starting ends of these rollers 12, +3, and 14, at least one winder is wound (J↑ Let's go.

That is, there are methods for winding this wire around the roller group 27 as shown in FIGS. 3 to 5. First, in the method shown in FIG. The wire receiving groove 20 of one of the paddle rollers 13 is located one step forward with respect to the wire receiving groove 20 installed in a predetermined plane where the wire 21 is located. It is wound so that it moves into the circumferential groove 20.

Moreover, in the one shown in FIG. 4, the other helad roller 14
The wire 21 is wound between the drive roller 12 and the drive roller 12 so that the wire 21 moves forward to the wire receiving groove 20. Furthermore, in the one shown in FIG. 5, the wire 21 is wound between one head roller 13 and the other head roller 14 so that it moves to the wire receiving groove 20 which is moved forward one step.

Note that the winding method described above is not limited to this, and a method similar to this can be used, and the wire circumferential groove 20 is also wound at a required pitch such as every other or every two grooves. Of course, it is also possible to do so.

Then, a guide support 22, which is a wire winding device, is attached to a part of the wire-wound part. This guide support 22 is a highly elastic rectangular thin plate (thickness 0.0 in this example).
A thin steel plate (equivalent to a 3m++ feeler gauge plate) was applied as the back plate 23 to the outer surface of the wire 21 wrapped around the cape, and a piece of paper was placed between the wires 21 and the back plate 23. It is constructed by pasting 11 the DESO 24 with an adhesive 25. At this time, as shown in the cross section of the paper web 24 in FIG.
1, and thereby form a plurality of wire guide portions 26 which are elongated protrusions with a U-shaped cross section.

As a result, each wire guide section 26 including a part of the wire 21 wound in a '1AlD shape is configured to maintain a constant distance between adjacent wire guide sections 26 in that part. Furthermore, a back plate 23 constituting this guide support 22
By using a highly flexible paper tape 24, when passing over each roller 12, 13, 14, it curves along its outer periphery in the direction of travel, and the wire 21 is curved in the wire receiving groove. As shown in the figure, the back plate 23 deforms moderately into a wavy shape in the middle direction as shown in the figure, conforming to the outer shape including the wire receiving groove 20 of each roller 12, 13, 14. allows for smooth passage.

Next, connect the three wires using a double configuration.
When winding the entire roller group 27 constituted by 13 and 14, the drive roller 12 is rotated in the direction of the arrow.

Then, the pair of rollers 13.14 around which the wire 21 is wound also rotates in the direction of arrow A due to the frictional force of the wire 21, and the three rollers 12.1 of the wire 21
3.14 The entire spirally wound portion rotates in the direction of arrow B. Due to this rotational movement, the tip portion 21a of the wire fixed to the guide support 22 is moved around each of the rollers 12, 13, .
The wires 12, 13, 141 are sequentially wound around the 14 wire circumferential grooves 20 and rotated in a screw motion.
The following wire 21 is wound around the wire circumferential groove 20 after the guide support 22 has advanced so as to replace it.

Therefore, by rotating the guide support 22 from the starting end to the ending end of the roller group 8 in a screw motion, the wire 21 can be wound around the roller group 8 automatically and sequentially in a predetermined manner. be. In addition, in each drawing of the above-mentioned embodiment, in order to facilitate understanding, the wire circumferential groove 20,
The wire 21 and the guide support 22 are illustrated in an exaggerated manner.

Next, another embodiment of the guide support of the device of the present invention will be described with reference to FIG.

The guide support 11r body 22 shown in FIG.
The roller group 2 is formed into a rectangular long plate shape.
7, a required number of wire guide portions 26, which are protrusions of a corresponding shape, are formed in parallel in order to be guided into the parallel wire receiving grooves 20 of each roller 12, 13, 14. It is.

Further, in one end portion 22a of this guide support body 22, a mating cutout portion 28 is bored in which the contact surface with the roller group 8 is cut out in a small rectangular shape, leaving the outermost wire guide portion 2ea in the figure. . Further, the other end 22b of the guide support 22 has a small rectangular notch on the surface opposite to the contact surface, leaving a portion corresponding to the bottom of the innermost wire guide portion 2Bb in the figure. A notch 29 is bored.

The guide support 22 is bent into an endless ring with the contact surface inside, and one mating notch 28-1- is connected to the other mating notch 29, as shown in the figure. Place the matching notch 29 on one side 22c of the guide support.
One side 2 with wire guide 2Fib near the end of
Position 0a along. At the same time, one side 28a of the wire guide portion 26a left at the end of the mating notch 29 is aligned with one side 22d of the guide support, and the wire guide portion 26a is sandwiched between the two for accurate positioning. As shown by arrows A and n, when the two ends are brought together, a plurality of wire guide portions 26t are provided in parallel.
) are arranged so that they form one cape line.

In addition, 4J is attached to the surface opposite to the contact surface of this guide support plate 22.
Both ends 22a and 22b are provided with magic fasteners or hooks 4' (not shown) to connect these ends 22a and 122b.

When using this guide support 22, it is wound around the entire roller group 27, and one end 22a and the other r
J 22 b to make it endless.

At this time, in a part of the section during which each spiral wire guide portion 26 of the guide support 22 wraps around the roller group 27 once as illustrated in FIGS. 3 to 5, It is assumed that the wire is wound so as to move from the wire circumferential groove 20 installed in a predetermined plane with adjacent roller groups 27 to the wire circumferential groove 20 that is one step forward.

Next, the wire 21 is attached to the guide support 22 by any means as long as it does not come off even when a strong tensile force is applied. Two through holes are drilled, and the tip end 21a of the wire is passed through the through holes and attached to the U7 cane as shown in the figure.

Next, in this state, when the drive roller 12 is driven to rotate in the direction of arrow A, the guide support 22 connected to the endless ring is rotated in the direction of the -thread! ! l! Fl! The wire guide section 26 is set at 4&, so that the wire guide section 26 rotates and advances over each of the wire receiving grooves 20 of the roller group 27 as if by a screw motion. As a result, the wire 21, which has the tip 21a of the wire attached to the side of the guide support 22, advances while rotating in a screw motion, and the guide support on each roller 12, 13, 14 moves. The wire 21 is wound around the wire circumferential groove 20 after the wire 22 has advanced, so that the wire 21 is redirected.Therefore, the guide support 22 is rotated in a screw motion from the starting end to the ending end of the roller group 27. As a result, the wire 21 can be automatically and sequentially wound around the roller group 27 in a predetermined manner.The configuration, operation, and effects of this example other than those described above are explained in FIG. The first embodiment shown in FIGS. 5 to 5 and the conventional example not shown in FIG. 7 are the same.

〔Effect of the invention〕

As explained above, according to the wire winding method and device for a wire saw of the present invention, a part of the wire guide portion of the guide support is attached to each wire circumferential groove of the entire roller group t12) (
13) (14Ii!) is wound around the shaft, and by rotating the roller, the guide support is advanced while being rotated in a screw motion;
Accordingly, the wire can be automatically wound around the roller group in a predetermined manner, and this work can be easily and quickly performed.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing a main part of a first embodiment of the wire right side, method and apparatus of the wire saw of the present invention, and FIG. FIGS. 3 to 5 are plan views of the main parts illustrating the state in which the wire is wound around the roller group, respectively. FIG. A perspective view showing the second embodiment, and FIG. 7 is an overall perspective view of a conventional wire saw device.

Claims (1)

[Claims] 1) A guide support for attaching the starting end of the wire (21);
22), whose wire guide part (26) is connected to the roller group (27)
Attach to the roller group (27) so that at least one or more spirally wound portions are set and held in each wire groove (20), and each roller (12), (13) ( 1
4) in a predetermined direction, so that the wire guide portion (26) moves over each of the wire circumferential grooves (20) of the rollers (12, 13, and 14) in a screw movement. A wire winding method for a wire saw, characterized in that the wire (21) following the guide support (22) is wound around the roller group (27) so as to advance while rotating. 2) On the contact surface of the guide support (22) with the roller group (27), the wire guide portion (26), which is a protrusion guided by each wire circumferential groove (20), is arranged in a spiral shape or a part thereof. 3) A wire winding device for a wire saw, characterized in that it is provided in such a way that the wire winding device can be configured to In part,
3. The wire saw wire winding device according to claim 2, further comprising a guide support (22) for holding the rows of wires (21) so that the mutual spacing between them does not change. 4) On the contact surface with the roller group (27) of the guide support (22) connected in an endless ring and wound around the roller group (27),
Wire receiving groove (2) of each roller (12) (13) (14)
0), which is a protrusion guided by the wire guide part (26),
Claim 2, wherein the wire guide portion (20) is formed to form a single spiral with the guide support (22) connected in an endless ring shape. Wire winding device for wire saw.