JP2002283209A - Roller transporter for wire saw - Google Patents

Abstract

(57) [Problem] To provide a roller transporter that can replace a processing roller without damaging an annular groove and with good workability. SOLUTION: A wire saw has a plurality of processing rollers 15 to 15 having an outer peripheral surface provided with annular grooves 15a to 17a.
17 is rotatably provided. The roller transporter 55 includes a pair of support members 56a that support portions corresponding to both shaft ends other than the outer peripheral surfaces of the processing rollers 15 to 17 (15 'to 17').
A pair of supporting members 56a and 56b support portions of the processing rollers 15 to 17 (15 'to 17') corresponding to both shaft ends, and the processing rollers 15 to 17 (1
5 'to 17').

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roller carrier used for carrying a wire saw processing roller for cutting a hard and brittle work such as a semiconductor material, a magnetic material, and a ceramic with a wire.

[0002]

2. Description of the Related Art As shown in FIG. 1, a wire saw 1 is provided with a plurality of processing rollers 15, 16, 17 in parallel at a predetermined interval, and is provided on the outer peripheral surface of the processing rollers 15 to 17. Has a plurality of annular grooves 15a, 16a, 17a formed at a predetermined pitch. And this annular groove 15a ~
A single wire 18 is spirally wound around 17a in order over the respective processing rollers 15 to 17. A work support mechanism 21 is provided corresponding to the wire 18 between the processing rollers 15 and 16.
A work 22 is detachably attached to a lower portion of the work 1.

In the wire saw 1, a working fluid is supplied onto the wire 18 while the wire 18 is running in the linear direction. In this state, the work 22 is pressed against the wire 18 by the work supporting mechanism 21 to make contact therewith. The work 22 is subjected to processing such as cutting. The other configuration is completely the same, and there is a wire saw in which the position of the wire 18 and the work 22 is upside down.

The processing rollers 15 to 17 used in the wire saw 1 are formed of a special resin such as plastic or urethane on the surface, and when worn out due to use, need to be replaced with a new processing roller. Also,
When it is desired to change the work thickness, it is necessary to replace the work roller with a processing roller having an annular groove having a desired pitch. An example of the replacement of the processing roller is described in Japanese Patent Application Laid-Open No. H11-347913. According to the publication, as shown in FIG. 12, the processing rollers 15 to 17 are wrapped by a packaging material 70 capable of wrapping the processing rollers 15 to 17,
A hook 72 is attached to an engaging portion 71 provided on the packaging material 70,
The hook 72 is suspended from the rod 73 and the processing roller 1
5-17 are conveyed.

[0005]

However, when the processing rollers 15 to 17 are conveyed as described above, the wire 18
The annular grooves 15a to 17a around which
Will touch. In this case, since a strong pressure is applied to the contact portion between the packaging material 70 and the surface of the processing rollers 15 to 17,
It is conceivable that the annular grooves 15a to 17a are crushed, deformed, or even worn. Processing rollers 15-1
7 are provided with the annular grooves 15a to 17a.
This defines the pitch at which the workpiece 8 is wound, that is, the thickness of the work after processing. The deformation of the annular grooves 15a to 17a lowers the processing accuracy of the work 22. In addition, since the packaging material 70 comes into direct contact with the processing rollers 15 to 17 that are soiled with the processing liquid, the packaging material 70 is immediately stained,
There is a problem that workability is also poor.

The invention according to the present application has been made to solve the above-mentioned problems, and an object thereof is to replace a processing roller without damaging an annular groove and with good workability. It is an object of the present invention to provide a roller conveying tool that can perform the above-described operations.

[0007]

In order to achieve the above object, a first invention according to the present application comprises a plurality of rollers having an outer peripheral surface provided with an annular groove, which are rotatably provided. A wire is spirally wound over a plurality of rollers, and the workpiece is cut toward the wire by moving the wire toward the wire while the wire is running in the direction of the wire. A roller carrier for transporting the roller of the wire saw, comprising a pair of members that support a portion corresponding to both shaft ends other than the outer peripheral surface of the roller, and the two shaft ends of the roller by the pair of members. A roller transporting device that transports the roller while supporting a portion corresponding to the roller transporting device.

According to a second aspect of the present invention, the roller has a concave portion at both shaft ends, and the pair of members are
The roller transporter according to the first invention, wherein each roller has a convex portion, and supports the roller by engaging the convex portion with the concave portion of the roller.

Further, according to a third aspect of the present invention, the roller has a tapered recess formed in both shaft ends thereof in a truncated cone shape, and an engaging hole formed in a reduced diameter side end surface of the truncated cone. And
The roller conveying tool according to the first or second invention, wherein the convex portion has a shape capable of engaging with the engaging hole without contacting the tapered surface of the tapered concave portion. .

[0010] In a fourth aspect of the present invention, the protruding portion includes a first protruding column and a second protruding column provided on the first protruding portion. The diameter of the cylinder is larger than the diameter of the engagement hole, and the diameter of the cylinder of the second protrusion is smaller than the diameter of the engagement hole. is there.

Further, according to a fifth aspect of the present invention, the roller transporter includes the pair of members and a connecting member. The pair of members is attached to the connecting member. The roller transporter according to any one of the first to fourth inventions, wherein the rollers are connected in a state where they are arranged at both shaft ends of the rollers.

In a sixth aspect of the present invention, the pair of members each have a notch hole, the connecting member has a screw hole, and a bolt is inserted into the notch hole. The roller conveying tool according to a fifth aspect of the present invention, wherein the pair of members are attached to the connecting member by engaging and screwing the bolt into a screw hole of the connecting member.

Further, in a seventh invention according to the present application, the pair of members each have a fulcrum hole, and the fulcrum member is rotatably fitted into the fulcrum hole. The roller transporter according to any one of the first to fourth inventions, wherein the roller is clamped by supporting and lifting both shaft ends of the roller.

According to an eighth aspect of the present invention, the pair of members include a holding portion for supporting and clamping both shaft ends of the roller, and an engagement hole for hanging the roller carrier. Wherein the engagement hole is provided at an end opposite to the holding portion with respect to the fulcrum hole. .

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (Description of Bearing Configuration) First, the bearing configuration of the processing rollers 15, 16, 17 will be described.
As shown in FIG. 2, the processing rollers 15 to 17 are rotatably supported at both ends by the bracket 14 via a pair of bearing units 25 and 26, respectively. One bearing unit 25 (right side in FIG. 2) is fitted into the shaft support tube 27 of the bracket 14 so as to be movable in the axial direction. Also,
The bearing unit 25 includes a cylindrical bearing housing 28.
And a plurality of bearings 29 in the bearing housing 28.
And a shaft 30 rotatably supported through the shaft.

At one end of the shaft 30 of the bearing unit 25, a tapered convex portion 31 having a truncated cone shape protruding toward the processing rollers 15 to 17 is formed. Correspondingly, a tapered projection 33 having a truncated cone shape is also formed at the inner end of the shaft 32 of the other bearing unit 26. At both ends of the processing rollers 15 to 17, tapered recesses 34, 35 recessed in the shape of a truncated cone toward the center of the shaft are formed.
The 0, 32 tapered convex portions 31, 33 are fitted.

An insertion hole 36 is formed in the shaft 30 of the bearing unit 25, and an insertion hole 3 is formed in the center of the processing rollers 15 to 17.
7 are formed, and the bearing unit 2 is
A screw hole 38 is formed in the inner end face of the shaft 32 of No. 6. A through bolt 39 is inserted from the shaft end of one of the bearing units 25 through the insertion holes 36 and 37, and the tip is screwed and fixed in the screw hole 38. In this way, the processing rollers 15 to 17 are fastened and fixed between the shafts 30 and 32 of the dual bearing units 25 and 26.

An annular end plate 40 is fixed to the outer end surface of the bearing housing 28 in the bearing unit 25. At the outer end of the end plate 40, a lid 41 is provided with a plurality of screws 42.
The cover 41 covers the head of the through bolt 39. A pair of guide holes 43 are formed in the outer peripheral edge of the end face plate 40, and a pair of guide bolts 44 are screwed into the end surface of the shaft support cylinder 27 so as to engage with the guide holes 43. .

[0019]

Embodiment 1 (Description of Processing Roller Transport Tool) Next, a roller transport tool for transporting the processing rollers 15 to 17 rotatably supported by the bracket 14 as described above will be described. The roller conveyor 55 of the first embodiment is made of metal such as steel, and includes a pair of left and right support members 56a and 56b and a connecting member 57 as shown in FIG. Connecting member 5
Reference numeral 7 is for connecting the pair of left and right support members 56a and 56b, and has a substantially rectangular parallelepiped shape. Two eye bolts 58 are screwed and fixed to the upper surface of the connecting member 57 in order to hook a hook such as a crane. The connecting member 57 is formed so that its width in the height direction increases toward both left and right end surfaces, and
Consideration is made so that the area of the contact portion with a, 56b is increased. Two screw holes 57a on both left and right sides
Are provided in the screw holes 57a.
A butterfly bolt 59 for fixing a and 56b is screwed.

Next, the structure of the support members 56a and 56b will be described. The support members 56a and 56b have a substantially plate-rod shape, and are detachably fastened to the left and right end surfaces of the connecting member 57 by butterfly bolts. In the first embodiment, since the left and right support members 56a and 56b are symmetrical, only the left support member 56a will be described. 4A is a front view of the support member 56a viewed from the same direction as FIG. 3, and FIG. 4B is a view of the support member 56 shown in FIG.
a is a right side view as viewed from the processing rollers 15 to 17 side. As shown in FIG. 4 (b), the support member 56a has a cutout hole 60 above the plate bar shape, with which the butterfly bolt 59 is engaged. Notch hole 60
Is formed to be long in a direction orthogonal to the longitudinal direction of the support member 56a, and has an opening 60a at one edge.
The notch hole 60 has a width enough to fit the butterfly bolt 59, is cut horizontally from the opening 60a toward the center of the support member 56a, and forms an arc shape 60b at substantially the center of the plate width. It is formed to stop.

By forming the hole in which the butterfly bolt 59 engages in the notch hole 60, the positioning of the butterfly bolt 59 becomes easier than in the case of a round hole.
Moreover, it is possible to assemble the support member 56a with the butterfly bolt 59 attached to the connecting member 57,
Work efficiency can be increased. Also, the notch hole 60
Are formed in a direction orthogonal to the longitudinal direction of the support member 56a, so that even if a large force is applied to the support member 56a in the direction of gravity, the engagement is not easily released.

In the first embodiment, the notch 60 is formed in a direction orthogonal to the longitudinal direction of the support member 56a. However, the present invention is not limited to this, One in which the opening 60a is formed toward the direction, one in which the opening 60a is formed obliquely downward, and the like can be used. Also, butterfly bolt 59
If it can be fitted, it may be a simple round hole instead of a notch hole.

As shown in FIG. 3, the left and right support members 56a, 56
6b, the left and right support members 56a,
Engaging projection 61 projecting perpendicularly to the plate surface of 56b
Is provided. The engagement protrusion 61 in the present embodiment has a two-stage shape, and the second protrusion 6 is further provided on the first protrusion 61a.
1b is provided. The first protrusion 61a has a columnar shape, and one end surface of the column is fixed to the inner plate surfaces of the support members 56a and 56b. First protrusion 61a
Are formed smaller than the diameters of the shaft end surfaces 34a, 35a of the tapered concave portions 34, 35 formed at both shaft ends of the processing rollers 15 to 17 on the diameter decreasing side of the truncated cone. . Therefore, when the processing rollers 15 to 17 are sandwiched between the support members 56a and 56b, the first protrusion 61
a without contacting a with the tapered surface,
35.

The second protrusion 61b is provided on the inner end face of the first protrusion 61a. The second protrusion 61b has a cylindrical shape with a smaller diameter than the first protrusion 61a, and is arranged at a position concentric with the cylinder of the first protrusion 61a. Second protrusion 6
1b has a columnar shape having a diameter smaller than the diameter of the insertion hole 37 provided in the processing rollers 15 to 17. When transporting the processing rollers 15 to 17, the second protrusion 61b is inserted into the insertion hole 37, and the second protrusion 61b
In this state, the insertion holes 37 of the processing rollers 15 to 17 are engaged, and the processing rollers 15 to 17 are suspended and transported.

When transporting the processing rollers 15 to 17, first, the left and right support members 56 configured as described above are used.
a and 56b are arranged at both ends of the processing rollers 15 to 17. Then, the engaging projections 61 of the support members 56a, 56b are inserted into the tapered concave portions 34, 35 of the processing rollers 15 to 17. At this time, the second protrusion 61b is
5 through 17, the end faces of the first protrusions 61a are brought into contact with the shaft end faces 34a, 35a of the tapered recesses 34, 35. Thereafter, the connecting member 57 is disposed between the left and right supporting members 56a and 56b, and the butterfly bolt 5 is inserted through the cutout hole 60 into the screw hole 57a provided in the connecting member 57.
Screw 9 in. At this time, by inserting the butterfly bolt 59 into the screw hole 57a of the connecting member 57 in advance in a loosened state, the shaft of the butterfly bolt 59 can be laterally inserted into the notch hole 60 of each of the support members 56a and 56b. It can be inserted and assembled. Thus, the support members 56a and 56b are fastened and fixed to the left and right end surfaces of the connecting member 57 by the butterfly bolts 59, and the support members 56a and 56b are fixed.
b holds both shaft ends of the processing rollers 15 to 17.

According to the roller conveying device 55 of the present invention, since both shaft ends of the processing rollers 15 to 17 can be supported and conveyed, the wire winding loop formed on the processing rollers 15 to 17 can be used. The processing rollers 15 to 17 can be replaced without damaging the grooves 15a to 17a.

(Description of Removal of Processing Roller) Next, the operation of the wire saw 1 configured as described above will be described.
As the work 22 is cut, the processing rollers 15-1
If the annular grooves 15a to 17a on the abrasion roller 7 are worn out, it is necessary to replace the processing rollers 15 to 17 with new ones or after re-grinding the grooves. In such a case, first, the wire saw 1 is stopped, and the processing rollers 15 to 17 are removed from the wire saw 1. The removal of the processing rollers 15 to 17 is performed by moving the bearing unit 25 in the axial direction by the moving device 45. This moving device 45
Is detachably attached to the shaft end of the bearing unit 25 with the cover 41 removed from the end face plate 40 shown in FIG.

As shown in FIGS. 5A and 5B, the moving device 45 includes a mounting plate 46, and a large-diameter portion 47a
And a substantially polished engagement hole 47 having a small diameter portion 47b and a feed screw 48 protruding from the center of the outer surface. After the head of each screw 42 on the end face plate 40 is inserted into the large diameter portion 47a of each engagement hole 47, the mounting plate 4
5B, the screws 42 are engaged with the small-diameter portions 47b of the engagement holes 47, and the attachment plate 46 is attached to the outer end of the end face plate 40. As a result, the screw 48 is arranged so as to extend on the same axis as the bearing unit 25.

The moving device 45 is provided with a substantially gate-shaped mounting frame 49. At both ends of the mounting frame 49, engagement recesses 50 which are opened to the side are formed. The attachment frame 49 is attached to the end of the shaft support tube 27 by engaging the engagement recesses 50 with the guide bolts 44. A feeding nut 51 is provided at the center of the mounting frame 49.
Are rotatably supported, and a screw 48 is screwed into the nut 51.

A rotating disk 52 as a rotating member is attached to the outer surface of the nut 51, and an operation handle 53 is protruded from the outer surface. When the operation handle 53 rotates the nut 51 via the rotary disk 52, a moving force in the axial direction of the bearing unit 25 is applied via the screw 48. Thereby, the bearing unit 25
The whole is moved in a direction to separate from the processing rollers 15 to 17, and the processing rollers 15 to 17
26.

Thus, one shaft 3 shown in FIG.
The zero tapered convex portion 31 is separated from one of the tapered concave portions 34 of the processing rollers 15 to 17. Thereafter, when the processing rollers 15 to 17 are moved in the axial direction in a direction away from the other bearing unit 26 (rightward in FIG. 2), the other tapered recess 35 becomes the tapered projection 33 of the shaft 32. Be removed from. Thereby, the processing roller 1
5 to 17 can be removed from between the two bearing units 25 and 26.

As shown in FIG. 6, a pair of upper rails 62A (only one is shown) and a pair of lower rails 62B (only one is shown) are attached to the inner wall surface of the bracket 14 of the wire saw 1. The lower rail 62B is installed below the processing roller 17, and can hold both shaft end portions 17b (see FIG. 3) of the processing roller 17. On the other hand, the upper rail 62A is installed below the mounting position of the processing rollers 15 and 16, and
Can be placed on both shaft ends 15b and 16b (see FIG. 3).

Therefore, as shown in FIG.
Is moved to a predetermined position with respect to the wire saw 1.
The movable carriage 63 includes a roller receiving base 65 that freely moves up and down along a mast section 64, and a roller receiving base 65.
Has a handle portion 66 for vertically moving the handle. Further, the roller receiving base 65 is formed of two parallel members, and three sets of concave portions 65a for mounting both shaft end portions 15b to 17b of the processing rollers 15 to 17 are provided on the upper surface of the member. First, in order to place the lower processing roller 17 on the roller support 65, the handle 66 is turned to lower the roller support 65 to the level of the lower rail 62B.

Then, using the moving device 45 as described above, the lower processing roller 17 is removed from between the dual bearing units 25 and 26, and the dual bearing units 25 and 26 are removed.
The two shaft ends 17b of the processing roller 17 that has been removed from the step are placed on the lower rail 62B. The processing roller 17 mounted on the lower rail 62 </ b> B is rolled in the direction of the moving carriage 63, and the innermost recess 6 of the roller receiving base 65 is rolled.
5a (two-dot chain line in FIG. 6).

Next, the handle portion 66 of the movable carriage 63 is turned to raise the roller receiving base 65 to the height of the upper rail 62A. Then, using the moving device 45, the processing roller 15 located on the upper front side is moved to the dual bearing unit 25,
26, the two shaft ends 15b of the processing roller 15 removed from the dual bearing units 25 and 26 are placed on the upper rail 62A. The processing roller 15 mounted on the upper rail 62 </ b> A is rolled in the direction of the moving carriage 63, and the concave portion 6 is located at the center of the roller receiving base 65.
5a.

Thereafter, using the moving device 45, the processing roller 16 located at the upper back side is moved to the dual bearing unit 2 this time.
5 and 26, the both shaft ends 16b of the processing roller 16 removed from the dual bearing units 25 and 26 are placed on the upper rail 62A. And the upper rail 62
The processing roller 16 mounted on A is rolled in the direction of the moving carriage 63 and is mounted on the concave portion 65 a located on the front side of the roller receiving base 65.

(Explanation of Transfer of Processing Roller) Next, referring to FIG. 7, the processing rollers 15 to 1 mounted on the movable carriage 63 will be described.
The operation of storing the printer 7 in a predetermined place such as the roller storage box 67 will be described. First, a movable carriage 63 on which three processing rollers 15 to 17 are mounted on a roller receiving base 65.
Is moved by hand to the front of the roller storage box 67.
Then, as shown in FIG. 3, both shaft end surfaces 34a, 3a of the processing roller 16 placed on the foremost side of the roller receiving base 65 are formed.
Left and right support members 56a and 56b are arranged on 5a. By pressing the left and right support members 56 a and 56 b toward the center of the axis of the processing roller 16, the engagement protrusions 61 are fitted into the insertion holes 37 of the tapered recesses 34 and 35 of the processing roller 16.

Then, a connecting member 57 is disposed between the left and right support members 56a and 56b.
The position of the notch hole 60 formed in the above and the positions of the screw holes 57a formed in both end surfaces of the connecting member 57 are aligned. Alternatively, the butterfly bolt 59 is inserted into the connecting member 57 in advance, and the supporting member 5 is guided using the shaft of the butterfly bolt 59 as a guide.
Positioning can also be performed by passing the cutout holes 60 of 6a and 56b. Then, the butterfly bolt 59 is screwed into the screw hole 57a through the notch hole 60, and the positioning with the support members 56a, 56b is finally adjusted before tightening, and the support members 56a, 5
6b is fastened, and the roller transporter 55 is mounted on the processing roller 16.

As shown in FIG. 7, a hook 68 of a crane or the like is used.
Is lifted by hooking it on an eyebolt 58 provided on the upper surface of the connecting member 57, so that the processing roller 16 is transported while being held by the roller transporter 55. As shown by an arrow A in FIG. 7, the roller transporter 55 is moved to a position above the roller storage box 67, the roller transporter 55 is lowered, and the processing roller 16 is stored in the roller storage box 67. Then, the engagement between the notch hole 60 and the butterfly bolt 59 can be released by loosening the butterfly bolt 59 of the roller transporter 55 and moving the connecting member 57 in the horizontal direction (the direction of arrow B). By removing the left and right support members 56a and 56b, the processing roller 16 is stored in the roller storage box 67.

Similarly, a crane or the like and the roller carrier 5
By using 5, the processing rollers 15, 17 are sequentially stored in the roller storage box. At this time, the roller conveyor 55
Can be reused, so that one roller carrier 55
Should be prepared, and by repeating attachment and detachment, 3
All of the book processing rollers 15 to 17 can be transported.

New processing rollers 15 ', 16', 17
′ May be mounted on the wire saw 1 by performing the reverse procedure. First, as shown in FIG. 8, left and right support members 56a and 56b are arranged on both shaft end surfaces 34a and 35a of the processing roller 17 'in a roller storage box 69 in which a new processing roller 17' is stored. Then, it is fastened to the connecting member 57 by the butterfly bolt 59 (see FIG. 3). The roller transporter 55 holding the processing roller 17 ′ is lifted by a crane or the like, and is transported onto the roller receiving base 65 of the movable carriage 63. The new processing roller 17 ′ is placed in the recess 65 a on the back side of the roller receiving base 65, and the butterfly bolt 59
And remove the roller transporter 55. By repeating the same operation, the remaining two new processing rollers 15 ', 16
′ Are sequentially placed on the roller receiving base 65 of the movable carriage 63.

As shown in FIG. 6, after the movable cart 63 is manually pushed to the front of the wire saw 1 and moved,
6, the roller holder 65 is moved to the upper rail 62.
A is raised to the same height as A (two-dot chain line in FIG. 6). The processing roller 16 placed on the foremost side of the roller receiving base 62
Is rolled and moved on the upper rail 62A, and further rolled on the upper rail 62A and moved to between the bearing units 25 and 26.

When a new processing roller 16 'is to be mounted between the two bearing units 25 and 26, a procedure substantially reverse to that of the above-described removal may be performed. Referring to FIGS. 2 and 5 described above, first, the processing roller 16 ′ is engaged with the shaft 32 of the bearing unit 26, and then the rotating disk 52 is removed by the operation handle 53 in a direction opposite to that at the time of removal. Rotate to. Then, a pressing force in the axial direction is applied to the axis of the bearing unit 25, and the bearing unit 25
The whole is moved in a direction approaching the processing roller 16 '.

As a result, the tapered convex portion 31 of the shaft 30 is engaged with the tapered concave portion 34 of the processing roller 16 ', and the processing roller 16' is connected to the dual bearing units 25 and 26.
Between the shafts 30 and 32. Thereafter, when the moving device 45 is removed from the shaft end of the bearing unit 25 and the bolt 39 is screwed into the screw hole 38 through the insertion holes 36 and 37 as shown in FIG.
6 'is fastened and fixed between the shafts 30 and 32.
In this state, if the lid 41 is attached to the outer surface of the end face plate 40, the attaching work of the processing roller 16 'is completed. Similarly, a new processing roller 15 ′ is connected to the bearing unit 2.
5 and 26, and then as shown in FIG.
By turning the handle portion 66 of No. 3, the roller receiving base 65 is lowered to the same height as the lower rail 62B. Then, the processing roller 17 ′ is attached to the bearing units 25 and 26.
As described above, the replacement operation from the processing rollers 15 to 17 to the new processing rollers 15 'to 17' is performed.

As described above, according to the roller transporter 55 of the present invention, the wire 18 is wound around the transport rollers 15 to 17 while transporting the rollers 15 to 17 while sandwiching both shaft ends of the rollers 15 to 17. The processing rollers 15 to 17 can be removed without damaging the annular grooves 15a to 17a.
In addition, in order to transport the processing rollers 15 to 17 while holding both shaft ends of the processing rollers 15 to 17, the roller transport tool 55 is used.
Can be prevented from being stained by the processing liquid.

Further, according to the roller conveying tool 55 of the present invention, the new processing rollers 15 'to 17'
Also, when attaching to the processing rollers 15 ′ to 17 ′, the processing rollers 15 ′ to 17 ′ can be transported in a state where both shaft ends of the processing rollers 15 ′ to 17 ′ are sandwiched. New processing rollers 15 'to 17' can be attached without damaging the rollers.

Further, by making the roller conveying member 55 made of metal, it is possible to obtain an effect that the cleaning becomes easy and the durability is good.

Further, the roller transporter 55 of the first embodiment is
It is composed of left and right support members 56a, 56b and a connecting member 57, and the engagement projections 61 provided on the support members 56a, 56b are inserted into the insertion holes 37 provided on the shaft end surfaces 34a, 35a of the processing rollers 15-17. ing. The engaging projection 61 is formed in a size and a shape that does not contact the tapered recesses 34 and 35 provided on both shaft ends of the processing rollers 15 to 17 during this insertion. Therefore, the processing rollers 15 to 17 can be transported without damaging the tapered recesses 34 and 35 that play an important role in supporting the processing rollers 15 to 17 on the bearing units 25 and 26.

Further, the processing roller transporter 55 of the present invention
Has a structure in which the left and right support members 56a and 56b and the connecting member 57 are connected by screwing, for example, a butterfly bolt 59 as a bolt into the notch hole 60 provided in the support members 56a and 56b. In this way, the notch hole 60 having the opening 60a at the edge instead of the round hole is formed by the support member 56.
By providing them at a and 56b, engagement with the butterfly bolt 59 is facilitated. Moreover, the support members 56a and 56b can be assembled with the butterfly bolt 59 attached to the connecting member 57, and the working efficiency can be improved. Also, by using the butterfly bolt 59, the support members 56a, 5
6b and the connecting member 57 can be connected,
Workability is also good.

According to the roller transporter 55 of the present invention, since both ends of the processing rollers 15 to 17 are held, the rollers can be transported in the most stable state when suspended.

[0051]

Embodiment 2 Next, another embodiment of the present invention will be described. In the second embodiment, the roller transporter 55 described above is used.
Is used when removing the processing rollers 15 to 17 from the wire saw 1.

As in the first embodiment, the processing rollers 15 to 1
7 is removed by the moving device 45.
5 in the axial direction. As shown in FIGS. 2 and 5, the moving device 45 is mounted on the shaft end of the bearing unit 25 with the cover 41 removed from the end face plate 40 and the through bolt 39 removed. The nut 51 is rotated by the operating handle 53 via the rotary disk 52 to apply a moving force in the axial direction of the bearing unit 25, thereby moving the entire bearing unit 25 in a direction to separate from the processing rollers 15 to 17. Let it. This allows
The tapered convex portion 31 of one shaft 30 is separated from one tapered concave portion 34 of the processing rollers 15 to 17. The processing rollers 15 to 17 are connected to the other bearing unit 26.
In the axial direction in a direction away from the tapered convex portion 33 of the shaft 32.
Let go.

When the processing roller 15 located on the upper front side is placed on the upper rail 62A by the above operation, the processing roller 15 is rolled and moved toward the wire saw 1 as shown in FIG. When the processing roller 15 has rolled on the upper rail 62A to the near side, the left and right support members 56a, 56b of the roller carrier 55 are arranged on both shaft end surfaces 34a, 35a of the processing roller 15, as shown in FIG. The engagement protrusions 61 of the left and right support members 34a and 35a are fitted into the insertion holes 37 provided in the roller 15.

In the second embodiment, as means for moving the roller carrier 55, as shown in FIG.
Is used. The moving carriage 75 in the second embodiment includes an elevating mechanism 76 that vertically moves a wire and a hook that is a suspending member 78 for suspending the connecting member 57, and a forward and backward moving mechanism 77 that moves in the front and rear direction. ing. The elevating mechanism 76 is supported by the mast section 64 so as to be vertically movable, and the front-rear moving mechanism 77 is supported on the elevating mechanism 76 so as to be able to move back and forth in the horizontal direction.

First, when the movable cart 75 is arranged in front of the wire saw 1, the connecting member 57 is
Is moved in the front-rear direction, and further the lifting tool 78 is moved up and down by the lifting mechanism 76. Then, when the screw holes 57a provided on both end surfaces of the connecting member 57 match the positions of the notch holes 60 of the left and right support members 56a and 56b, the front-rear moving mechanism 77 and the elevating mechanism 76 are stopped, and Then, the butterfly bolt 59 is screwed into the screw hole 57a, and the left and right support members 56a and 56b are fastened to the connecting member 57 (see FIG. 3). At this time, with the butterfly bolt 59 inserted in the connecting member 57 in advance, using the shaft of the butterfly bolt 59 as a guide,
The notch 60 can also be aligned.

After the processing roller 15 is nipped by the roller transporter 55 in this way, the roller transporter 55 is raised by the elevating mechanism 76, and the movable carriage 75 is moved to the roller storage box 67. Is placed on the roller storage box 67. Then, as shown by an arrow D in FIG. 10, the roller transporter 55 is lowered by the elevating mechanism 76, and the processing roller 15 is stored in the roller storage box 67. When the processing roller 15 is stored in the roller storage box 67, the butterfly bolt 59 is loosened, and the connecting member 57 is moved in the direction of the arrow E so that the left and right support members 56
The connection between the a and 56b and the connecting member 57 is released, and the roller transporter 55 is removed from the processing roller 15. Similarly, the processing roller 16 is also removed from the wire saw 1,
It can be stored in the roller storage box 67.

Then, the lower processing roller 17 is removed from the bearing unit 25, 26, and the supporting members 56a, 56b are arranged on the left and right shaft end surfaces 34a, 35a. The moving carriage 75 is moved to the front of the wire saw 1, and the lifting / lowering mechanism 76 and the forward / backward moving mechanism 77 are operated, thereby lowering and moving the hanging member 78 forward and backward (see FIG. 9).
When the screw holes 57a provided on both end surfaces of the connecting member 57 match the positions of the notch holes 60 of the left and right support members 56a and 56b, the front-rear moving mechanism 77 and the elevating mechanism 76 are stopped, and the butterfly is inserted through the notch holes 60. Screw 59 into screw hole 57a
And the right and left support members 56a and 56b are fastened to the connecting member 57 (see FIG. 3). In this case, the butterfly bolt 59 may be inserted in the connecting member 57 in advance as described above. When the roller transporter 55 is mounted on the processing roller 17 in this manner, the roller transporter 55 is raised by the elevating mechanism 76, and the movable carriage 75 is moved to the roller storage box 67. Thereafter, as shown in FIG. 10, the roller conveyor 55 is lowered by the elevating mechanism 76, and the processing roller 17 is stored in the roller storage box 67. When the processing roller 17 is stored in the roller storage box 67, the fastening between the left and right support members 56a and 56b and the connection member 57 is released by loosening the butterfly bolt 59 and moving the connection member 57 in the direction of arrow E. Then, the roller transporter 55 is removed from the processing roller 17.

When all the processing rollers 15 to 17 are removed from the wire saw 1 and stored in the roller storage box 67,
This time, a new processing roller 15'-
17 'is attached to the wire saw 1. Here, the description of the mounting procedure is omitted.

According to the method shown in the second embodiment, the movable carriage 75 provided with the hanging member 78 is used as a means for moving the roller conveyor 55, so that the upper and lower rails 62a and 62a can be moved.
Since the processing rollers 15 to 17 can be directly conveyed from above 2B, work efficiency can be improved.

[0060]

Embodiment 3 In this embodiment, another example of the roller transporter will be described. As shown in FIG.
The roller carrier 79 has a pair of roller holding members 80 and 8.
1 and a fulcrum member 83. Roller holding member 8
Reference numerals 0 and 81 are formed of metal such as, and the respective roller holding members 80 and 81 are symmetrical to each other. The roller holding members 80 and 81 are fulcrum holes 8 which are through holes.
A cylindrical fulcrum member 83 is rotatably fitted in the fulcrum hole 82, and the left and right roller clamping members 80, 8 are provided.
Reference numeral 1 denotes a mechanism capable of performing an operation of sandwiching the processing rollers 15 to 17 around the fulcrum member 83.

A wire 85 for lifting the roller carrier 79 is provided above the left and right roller holding members 80 and 81.
(A chain line portion in FIG. 11) is provided with an engagement hole 84. The wire 85 is formed so that the lower part is branched into two, and the right and left engagement holes 8 provided in the roller holding members 80 and 81 are formed.
By engaging the lower end of a wire 85 connected to a crane or the like to the respective members 4, when the wire 85 is pulled up, the roller holding members 80 and 81 sandwich the processing rollers 15 to 17. That is, when the wire 85 is pulled upward, the lower portions of the left and right roller holding members 80 and 81 move inward to apply a clamping force.

The lower portions of the left and right roller holding members 80 and 81 are bent to form shaft end surfaces 34 of the processing rollers 15 to 17.
A holding portion 86 is formed so as to be arranged substantially in parallel to the holding portions a and 35a, and the holding portion 86 is provided with an engagement projection 61 having a convex shape inward. The engagement protrusion 61 in the third embodiment has a two-stage shape, and the first protrusion 61
Further, a second projection 61b is provided on a. First protrusion 6
1a has a columnar shape, and one end face of the column is fixed to the inner side surface of the holding portion 86 of the roller holding members 80 and 81. The diameter of the cylinder forming the first protrusion 61a is
The shaft end surfaces 34a, 35 on the truncated cone-shaped small diameter side of the tapered recesses 34, 35 formed at both ends of the processing rollers 15-17.
It is formed smaller than the diameter of a. Therefore, when the processing rollers 15 to 17 are sandwiched between the roller holding members 80 and 81, the first protrusions 61a can be inserted into the tapered recesses 34 and 35 without making contact with the tapered surfaces.

The second projection 61b is further fixed to the inner end face of the first projection 61a. The second protrusion 61b has a cylindrical shape with a smaller diameter than the first protrusion 61a, and the first protrusion 61a
It is fixed at the same position as the cylinder. The second protrusion 61b is provided in the insertion hole 3 provided in the processing rollers 15 to 17.
7 has a columnar shape with a diameter slightly smaller than the diameter of 7. When the processing rollers 15 to 17 are transported, the second projections 61b are inserted into the insertion holes 37, and the insertion holes 37 of the processing rollers 15 to 17 are engaged with the second projections 61b. The processing rollers 15 to 17 are suspended and transported.

In the third embodiment, the roller conveyor 79 is
After the processing rollers 15 to 17 are detached from the two bearing units 25 and 26 of the wire saw 1, the left and right engagement projections 61 are arranged on both shaft end surfaces 34a and 35a of the processing rollers 15 to 17, and in that state, a crane or the like is used. By pulling up, the processing rollers 15 to 17 are clamped and conveyed. When transporting new processing rollers 15 'to 17', they can be used in the same manner as described above.

Processing rollers 15-17 and 15'-17
In order to remove the roller conveying tool 79 from the '
By lowering the wire 5 and slackening the wire 85, the clamping force by the left and right roller holding members 80 and 81 is relaxed, and the processing rollers 15 to 17 and 15 'to 17' can be removed.

The roller conveying device 79 according to the third embodiment.
Is used in the same manner as in the first embodiment or the second embodiment. Therefore, a detailed description is omitted in the third embodiment.

As described above, according to the roller transporter 79 of the third embodiment, the left and right roller holding members 80, 8
1 supports and lifts both ends of the processing rollers 15 to 17 so that the processing rollers 15
17 is provided. Also, by engaging the lower end of a wire 85 connected to a crane or the like with an engagement hole 84 provided in the left and right roller holding members 80, 81, when the wire 85 is pulled up,
81 clamps the processing rollers 15 to 17. For this reason, like the roller conveying tool 55 shown in the first and second embodiments, the supporting member 56 is attached to the connecting member 57.
This eliminates the need for fixing the a and 56b, shortens the working time, and has very high working efficiency.

Further, similarly to the first and second embodiments, according to the roller conveyor 79 of the third embodiment, the processing rollers 15 to
In order to transport the processing rollers 15 to 17 while holding the shaft end of the shaft 17, the annular grooves 15a to 17 around which the wires are wound.
The processing rollers 15 to 17 can be transported without damaging a. Further, in order to convey the processing rollers 15 to 17 while holding the shaft ends of the processing rollers 15 to 17,
The inconvenience that the roller conveying tool 79 is contaminated with the processing liquid can be avoided. Furthermore, a new processing roller 1
Also when attaching 5 ′ to 17 ′ to the wire saw 1, the processing rollers 15 ′ to 17 ′ can be transported while holding the shaft ends of the processing rollers 15 ′ to 17 ′,
New processing rollers 15 'to 17' can be attached without damaging the annular grooves 15a 'to 17a' around which the wire is wound. In addition, by making the roller conveyance tool 79 made of metal, it is possible to obtain an effect that cleaning becomes easy and durability is good.

The engaging projections 61 of the roller transporters 55 and 79 in the first to third embodiments need not necessarily have the first projection 61a and the second projection 61b. Any shape may be used as long as it can be engaged with the shaft ends of Nos. 1 to 17. Further, a plurality of types of engaging projections 61 may be interchangeably fixed to the supporting members 56a and 56b according to the size and type of the processing rollers 15 to 17. Further, a spacer may be interposed between the connecting member 57 and the supporting members 56a and 56b in accordance with the size and type of the processing rollers 15 to 17, and tightened.

In the roller conveying tools 55 and 79 of the first to third embodiments, the engaging projections for engaging the insertion holes 37 formed in the shaft end surfaces 34a and 35a of the processing rollers 15 to 17 are provided. 61, but instead of the engagement protrusion 61, the shaft ends 15b to 17b of the processing rollers 15 to 17
(See FIG. 3). Further, the bolt for fastening is not limited to the butterfly bolt, but may be another bolt such as a hexagon bolt or a hexagon hole bolt. Further, a structure in which the bolt and the connecting member are prevented from falling off may be provided.

That is, the invention of the present application provides the processing roller 1
When transporting 5 to 17, the portions corresponding to both shaft ends of the processing rollers 15 to 17 are supported without supporting the outer peripheral surfaces of the rollers provided with the annular grooves 15 a to 17 a for winding the wire 18. Processing rollers 15 to 17
Is a roller transporter that can pinch and transport.

As described above, the invention according to the present application is:
A plurality of processing rollers 15 to 17 having an outer peripheral surface provided with annular grooves 15 a to 17 a are rotatably provided, and a wire 18 is spirally wound around the plurality of processing rollers 15 to 17. In the state where the wire 18 is moved in the line direction, the work 22 is moved toward the wire 18 so that the processing rollers 15 to 17 (15 'to 17) of the wire saw 1 for cutting the work 22 are cut. ') In the roller transporter 55 (or roller transporter 79) for transporting the processing rollers 15 to 17 (15' to
17 ′) is provided with a pair of support members 56a and 56b (or roller holding members 80 and 81) for supporting portions corresponding to both shaft ends other than the outer peripheral surface of the pair of support members 56a and 56.
b (or the roller holding members 80 and 81) support the portions of the processing rollers 15 to 17 (15 'to 17') that correspond to both shaft ends, and process rollers 15 to 17 (15 'to 17).
) Is a roller transporter 55 (or a roller transporter 79).

The processing rollers 15-17 (15'-)
17 ′) has insertion holes 37 at both axial ends thereof, and a pair of support members 56a, 56b (or a roller holding member 80,
81) each have an engagement protrusion 61, and the engagement protrusion 61
Are engaged with the insertion holes 37 of the processing rollers 15 to 17 (15 'to 17'), whereby the processing rollers 15 to 17
(15 ′ to 17 ′), which is a roller transporter 55 (or a roller transporter 79).

The processing rollers 15 to 17 (15 'to 15)
17 ′) are tapered recesses 34 and 35 recessed in a truncated cone shape at both axial ends, and an insertion hole 3 is formed in the reduced diameter side end surface of the truncated cone.
7 are provided, and the engagement protrusion 61 is provided with the tapered recess 34,
A roller conveyance tool 55 having a shape capable of engaging with the insertion hole 37 without contacting the tapered surface of the roller conveyance tool 35.
(Or roller transporter 79).

Further, the engaging projection 61 is composed of a first projection 61a having a cylindrical shape and a second projection 61b having a cylindrical shape provided on the first projection 61a. The diameter of the cylinder of the first projection 61a is as follows.
The roller transport device 55 (or the roller transport device 79) characterized in that the diameter of the cylinder of the second protrusion 61b is larger than the diameter of the insertion hole 37 and the diameter of the cylinder of the second protrusion 61b is smaller than the diameter of the insertion hole 37.

Further, as shown in the first embodiment, the roller transporter 55 includes a pair of support members 56a, 56b and
7 and a pair of support members 56
a, 56b are attached, and the pair of support members 56
a, 56b to the processing rollers 15 to 17 (15 'to 17).
The roller conveyance tool 55 is characterized in that the roller conveyance tool 55 is connected in a state where the roller conveyance tool is arranged at both shaft ends of the item (1).

Further, the pair of support members 56a and 56b
Each of the connecting members 57 has a notch hole 60, and a screw hole 57 a is formed in the connecting member 57.
By screwing the butterfly bolt 59 into the
7, a pair of support members 56a and 56b are attached to the roller transporter 55.

As shown in the third embodiment, the pair of roller holding members 80 and 81 have fulcrum holes 82, respectively.
A fulcrum member 83 is rotatably fitted in the fulcrum hole 82,
The pair of roller holding members 80 and 81 are
The rollers 15 to 17 (15 'to 17') are supported and lifted by supporting both ends of the shafts 15 to 17 (15 'to 17').
′) Is clamped.
It is.

Further, a pair of roller holding members 80 and 81
Has a holding portion 86 for supporting and clamping both shaft ends of the processing rollers 15 to 17 (15 'to 17'), and an engagement hole 84 for hanging the roller carrier 79. , The engagement hole 84 is provided at the end opposite to the holding portion 86 with respect to the fulcrum hole 82.
9

[0080]

As described above, according to the roller conveying device of the present invention, since the processing roller is conveyed while nipping the portion corresponding to the shaft end of the processing roller, the processing roller can be processed without damaging the annular groove. The roller can be removed. Further, since the processing roller is transported while sandwiching the portion corresponding to the shaft end of the processing roller, it is possible to avoid the inconvenience that the roller transport tool is stained with the processing liquid.

Further, according to the roller conveying tool of the present invention, even when a new processing roller is attached to the wire saw, the processing roller can be conveyed while holding the portion corresponding to the shaft end of the processing roller. Therefore, a new processing roller can be attached without damaging the annular groove.

[Brief description of the drawings]

FIG. 1 is a perspective view of a wire saw.

FIG. 2 is a longitudinal sectional view showing a connection structure of a processing roller and a bearing unit according to the present invention.

FIG. 3 is a front view of the roller transporter according to the first embodiment of the present invention.

FIG. 4A is a front view of a support member of the roller conveyance device according to the first embodiment of the present invention, and FIG. 4B is a right side view of the support member.

FIG. 5A is a longitudinal sectional view of a moving device, and FIG. 5B is a plan view of the moving device as viewed from an end of a processing roller shaft.

FIG. 6 is a diagram illustrating an operation of the mobile trolley according to the first embodiment of the present invention.

FIG. 7 is a diagram illustrating an operation of storing a processing roller from a movable trolley in a roller storage box according to the first embodiment of the present invention.

FIG. 8 is a diagram illustrating an operation of mounting a new processing roller on the movable trolley according to the first embodiment of the present invention.

FIG. 9 is a diagram showing an operation of the movable trolley in the second embodiment according to the present invention.

FIG. 10 is a diagram illustrating an operation of storing a processing roller from a movable trolley in a roller storage box according to the second embodiment of the present invention.

FIG. 11 is a front view of a roller conveyance device according to a third embodiment of the present invention.

FIG. 12 is a perspective view showing a conventional roller conveyance device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Wire saw 14 ... Bracket 15, 16, 17 ... Processing roller 15a, 16a, 1
7a ... annular groove 15b, 16b, 17b ... shaft end 18 ... wire 21 ... work support mechanism 22 ... work 25, 26 ... bearing unit 27 ... shaft support cylinder 28 ... bearing housing 29 ... bearing 30 ... shaft 31 ... tapered convex Part 32: Shaft 33: Tapered convex part 34, 35 ... Tapered concave part 34a, 35a: Shaft end face 36 ... Insertion hole 37 ... Insertion hole 38 ... Screw hole 39 ... Through bolt 40 ... End face plate 41 ... Lid 42 ... Screw Reference numeral 43: Guide hole 44: Guide bolt 45: Moving device 46: Mounting plate 47: Engagement hole 47a: Large diameter portion 47b: Small diameter portion 48: Screw 49: Mounting frame 50: Engagement concave portion 51: Nut 52: Rotating disk 53 ... Operation handle 55 ... Roller carrier 56a, 56b ... Support member 57 ... Connecting member 57a ... Screw hole 58 ... Eyebolt 59 ... Butterfly bolt 60 Notch hole 60a Opening 61 61 Engagement projection 61a First projection 61b Second projection 62A Upper rail 62B Lower rail 63 Movable carriage 64 Mast section 65 Roller receiver 65a Concave section 66 Handle Part 67 ... Roller storage box 68 ... Hook 69 ... Roller storage box 70 ... Packaging material 71 ... Engagement part 72 ... Hook 73 ... Rod 75 ... Moving carriage 76 ... Elevating mechanism 77 ... Forward / backward movement mechanism 78 ... Hanging tool 79 ... Roller transport Tools 80, 81: roller holding member 82: fulcrum hole 83: fulcrum member 84: engaging hole 85: wire 86: holding portion.

Claims (8)

[Claims] 1. A plurality of rollers having an outer peripheral surface provided with an annular groove are rotatably provided, and a wire is spirally wound over the plurality of rollers. In a state in which the workpiece is moved toward the wire in a state where the workpiece is moved in the linear direction, a roller transporting tool for transporting the roller of the wire saw for cutting the workpiece is provided. A roller transporter, comprising: a pair of members that support portions corresponding to both shaft ends, wherein the pair of members support a portion corresponding to the both shaft ends of the roller to convey the roller. 2. The roller has a concave portion at both axial ends thereof, the pair of members has a convex portion, and the roller is formed by engaging the convex portion with the concave portion of the roller. The roller conveyance device according to claim 1, wherein the roller conveyance device supports the roller conveyance device. 3. The roller has a tapered concave portion concaved in a frustoconical shape at both axial ends thereof, and an engagement hole formed in a reduced-diameter side end surface of the frustoconical shape. The roller conveying device according to claim 1, wherein the roller conveying device has a shape capable of engaging with the engaging hole without contacting the tapered surface of the concave portion. 4. The projection includes a first projection having a columnar shape and a second projection having a columnar shape provided on the first projection. The diameter of the cylinder of the first projection is equal to the diameter of the engagement hole. The roller conveyance device according to claim 3, wherein the diameter of the cylinder of the second protrusion is larger than the diameter of the second protrusion, and the diameter of the cylinder is smaller than the diameter of the engagement hole. 5. The roller transporter includes the pair of members and a connecting member, wherein the pair of members is attached to the connecting member, and the pair of members are arranged at both ends of the roller. The roller conveyance device according to any one of claims 1 to 4, wherein the roller conveyance device is connected. 6. The pair of members each have a notch hole, and the connection member has a screw hole formed therein. A bolt is engaged with the notch hole, and a screw of the connection member is screwed. The roller conveyance device according to claim 5, wherein the pair of members are attached to the connection member by screwing the bolt into a hole. 7. The pair of members each have a fulcrum hole, and the fulcrum member is rotatably fitted in the fulcrum hole, and the pair of members supports and lifts both shaft ends of the roller. The roller conveying tool according to any one of claims 1 to 4, wherein the roller is clamped. 8. The pair of members have a holding portion for supporting and clamping both shaft ends of the roller, and an engagement hole for suspending the roller carrier. The roller conveyance device according to claim 7, wherein the hole is provided at an end opposite to the holding portion with respect to the fulcrum hole.