JPH02145288A - Cutting device for glass wool sheet like body - Google Patents

Abstract

PURPOSE:To impress a large fixing force without deforming a glass wool sheet like body by providing an air driving means for fixing the glass wool sheet like body of the body to be worked to a table with air suction. CONSTITUTION:Air is fed with force to a table 20 from an air driving means 23, the air is blown out from the air conducting hole 21 of the table 20 and a glass wool sheet like body is slightly floated. The glass wool sheet like body is adequately moved in this state and positioned at specified position. The air driving means 23 is then changed over, air is sucked from the air conducting hole 21 of the table 20 and the glass wool sheet like body is fixed by sucking onto the table 20. The respective tool 41 fitted to a rail 27 is moved to the respective specified position according to the desired work pattern and after fixing to the rail 27 at this position the necessary tool 27 only is descended to the operation position thereof. The rail 27 is moved in parallel to the table 20 by a horizontal moving mechanism and the sheet like body is cut in the desired pattern by the tool 41 located at the operation position.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an apparatus for cutting a so-called glass wool plate-like body formed by forming an aggregate of short glass fibers into a plate-shape.

[Conventional technology]

A large number of short glass fibers are assembled and formed into a plate shape,
The so-called glass wool plate, which has aluminum foil glued to its outer surface, has excellent heat insulation, airtightness, and sound absorption properties, is lightweight, noncombustible, and has excellent corrosion resistance, so it can be used as a building material. It is particularly attracting attention as a material for ducts.

On the other hand, when forming this glass wool plate-like body into a square duct, for example, three V-grooves 4 are formed in the glass fiber portion 2 of the glass wool plate-like body 1, as shown in FIG. 8A. Glass wool plate l in part 4, part 8B
Bend it as shown in the figure to form a duct with a rectangular cross section. At this time, a stepped recess (joining groove) 5 is formed on one side edge of the glass wool plate 1, and when the glass wool plate 1 is bent and the duct is assembled, the 8th B
As shown in the figure, the other side edge of the glass wool plate 1 is made to fit into the recess 5 exactly.

In addition, the end on the side where the recess 5 is formed is, as shown in the figure,
Cut the aluminum FI3 so that a small portion remains. Then, as shown in FIG. 8B, when the glass wool plate-like body 1 is assembled, the joint portion is covered with this aluminum foil 3.0 The assembled glass wool plate-like body l
is fixed with adhesive tape 6.

[Problem to be solved by the invention]

Formation of the V groove 4 shown in FIG. 8A has conventionally been performed manually using a V groove cutting tool 7 as shown in FIG. 9A.

That is, (1) the grooving tool 7 has a handle 8 on its upper surface;
The lower surface has a blade 9 shaped according to the shape of the groove. Then, the blade 9 of this tool 7 is applied to one end surface of the glass wool plate-like body 1, and the tool 7 is moved linearly from this end surface to form a groove 4 having a shape corresponding to the moon shape.

On the other hand, the formation of the recess 5 shown in FIG. 8A is performed in the same manner using a matching groove cutting tool IO as shown in FIG. 9B.

Forming such V grooves 4 and recesses 5 requires considerable skill. For example, when forming grooves 4, the groove depth is as follows:
It is necessary to cut not to cover the aluminum foil 3 but also to cut very close to the aluminum foil 3. This cutting depth is automatically determined by the height of the blade 9 of the tool 7, but it is inevitable that errors will occur depending on the person using it.

Furthermore, it is also a fairly difficult technique to form the grooves 4 linearly.

Glass wool plates have the advantage of being easier to process than other metal materials, but when this is done manually, it is inefficient and the quality varies depending on the level of skill. There were also problems.

On the other hand, cutting of such a glass wool plate-like body by a machine is also carried out in some cases.

In this known machine, as shown in FIG. 10A,
A desired cutting tool 11 is fixed at a predetermined position, and the glass wool plate 1 is sandwiched between a pair of upper and lower rollers 12 and transported.

However, this known machine had the following drawbacks. That is, since the glass wool plate l is relatively soft, it is difficult to apply sufficient pressure with the roller 12, and due to the cutting resistance caused by the cutting tool 11,
For example, as shown in FIG.
In some cases, the machine ran diagonally, making it impossible to perform accurate straight line machining.

On the other hand, in order to prevent this, if a large pressure that can withstand the cutting resistance is applied, there is a risk that the glass wool plate-like body 1 will be plastically deformed.

The present invention has been made to solve these problems of the prior art, and aims to provide an apparatus that can accurately cut glass wool plates with good mass productivity.

[Means for Solving the Problems] The glass wool plate cutting apparatus of the present invention is equipped with a fixed table 20, as shown in FIG. This table 20 has a large number of air passage holes 21 on its upper surface, and air can be blown out or sucked through these air passage holes 21 by the action of an air driving means 23 connected to this table 20. is being done.

As shown in the figure, above the table 20, this table 2
A rail 27 is provided that is stretched in parallel to zero. This rail 27 includes, for example, a guide rail 29, a motor 32, and a belt transmission 34, 35 as shown in FIG.
．． 36, chain drive mechanism 37, 38, 39, etc., it is movable horizontally parallel to the table 20 and perpendicular to the direction in which the rail 27 is stretched.

As shown in FIG. 1, a plurality of cutting tools 41 are attached to this rail 27. As shown in FIG.

These cutting tools 41 are movably attached along the rail 27, and are moved to predetermined positions manually or by a suitable moving mechanism. Each cutting tool 41 is fixed to the rail 27 at a predetermined position by a ramp means 49 as shown in FIGS. 5A and 5B, for example.

Each cutting tool 41 is configured to be movable up and down by the action of an air cylinder 48 as shown in FIGS. 5A and 5B, and is in a lower operating position, that is, cutting a glass wool plate. It is adapted to be moved between a position where it can be processed and an upper non-operating position, that is, a position where it does not come into contact with the glass wool plate.

[Effect]

In the glass wool plate cutting device of the present invention,
First, a glass wool plate as a workpiece is placed on the table 20 shown in FIG.

Next, air is force-fed from the air driving means 23 to the table 20, and as shown in FIG.
float slightly. Then, in this state, the glass wool plate-like body 1 is appropriately moved and positioned.

Then, when the glass wool plate 1 is positioned in the desired position, the air drive means 23 is switched to the seventh
As shown in Figure B, air is suctioned through the air passage holes 21 of the table 20, and the glass wool plate 1 is suctioned and fixed to the table 20.

On the other hand, as shown in FIG. 1, each tool 41 attached to the rail 27 is moved to its respective predetermined position according to the intended machining turn, and is fixed to the rail 27 at that position. Furthermore, depending on the desired machining turn, only the necessary tools are lowered into their working position, while the other tools remain in the upper, non-working position.

After that, the horizontal movement mechanism of the rail 27 moves the rail 2
7 is moved parallel to the table 20, and the desired cutting process is performed by the tool 41 in the operating position.

〔Example〕

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is an external perspective view showing the main parts of a glass wool plate cutting apparatus according to an embodiment of the present invention. This first
In the figure, 20 is a fixed table, and a large number of air passage holes 21 are provided on the upper surface of the table. As shown in FIG. 7, the lower side of this table 20 is configured as an air chamber 22, and the air passage hole 21 is formed in the upper wall portion of this air chamber 22. As shown in FIG.

An air drive device 23 is connected to the air chamber 22 of the table 20, as shown in FIG.

This air drive device 23 has the functions of a compressor that pumps air and a vacuum generator that sucks air, and these two functions are switched by a solenoid valve.

As shown in FIG. 1, a plurality of positioning rollers 24 are provided on the front end side of the table 20 for positioning the front end surface of a glass wool plate-like object to be processed. These positioning rollers 24 are configured to move up and down by an air cylinder (not shown), and when cutting a glass wool plate, these rollers descend and
Care has been taken to ensure that it does not interfere with work. On the other hand, an alignment bar 25 is provided at one end of the table 20 for positioning the side surface of the glass wool plate. As shown in FIG. 7, this alignment bar 25 is configured to be rotatable around a shaft 26.
Again, due to the action of the air cylinder (not shown),
When cutting a glass wool plate, as shown in FIG. 7B, it is rotated to a position where it does not interfere with the work.

As shown in FIG. 1, a rail 27 is stretched above the table 20 and parallel to the table 20. This rail 27 is supported by support members 28 at both ends thereof. The support members 28 are attached to guide rails 29 provided on both sides of the table 20, respectively. That is, on the upper surface of the guide rail 29 extending along both side edges of the table 20, a protrusion 30 extending along the longitudinal direction of the guide rail 29 is formed at each central portion thereof. Then, a pair of front and rear retaining portions 31 (see FIG. 2) provided on the inner surface of the support member 28 engages with this protrusion portion 30, and the support member 28 is slidably attached to the guide rail 29. It is being That is, the guide rail 29
The protruding part 30 provided on the support member 28 has an inverted trapezoidal cross section that contracts downward, and each engaging part 31 of the support member 28 has this protruding part 30 on its lower surface. The recess has a shape corresponding to the cross-sectional shape of the recess. Then, from one end of the guide rail 29, the supporting member 28
is attached to the guide rail 29.

As shown in FIG. 2, a motor 32 for driving the support member 28 is provided at the lower part of the central portion of the cutting device in the lateral direction (direction perpendicular to the plane of the paper). On the other hand, a rotating shaft 33 is installed between guide rails 29 arranged on both sides of the table 20. A pulley 34, a belt 35, and a rotating shaft 3 are connected to the rotating shaft of the motor 32.
This rotary shaft 33 is rotationally driven via a pulley 36 fixed to the rotary shaft 33. Sprockets 37 are fixed to both ends of this rotating shaft 33, and these sprockets 37
The chain 38 is engaged with the chain 38.

A chain 38 is stretched between this sprocket 37 and another sprocket 39, and this chain 38
Both ends of the mounting portions 4 provided on both sides of the support member 28
0 respectively.

That is, the chain 38 is stretched endlessly between both sprockets 37 and 39 via the support member 28, and the sprocket 37 is rotationally driven by the motors 3 and 2, so that the support member 28 is attached to the table 20. Move it back and forth along the side edges.

As shown in FIG. 1, six cutting tools 41, for example, are attached to the rail 27 stretched between both supporting members 28. These tools 41 include, for example, one having a blade for cutting V-grooves as shown in FIG. 9A, one having a blade for cutting grooves similar to the one shown in FIG. 9B, and various others. It may be of any shape.

As shown in FIG. 3, the rail 27 is configured in the shape of a square pipe with a rectangular cross section, and two guide rails 42 and 43 are provided on its upper surface. Also, rail 27
A guide rail 44 having a constricted center cross section is provided on the front surface of the guide rail 44 .

The cutting tool 41 is attached to a tool cart 45 having a cross-section shaped like an inverted letter. As shown in FIGS. 4 and 5, two pairs of pinch rollers 46 are attached to the lower surface of the horizontal plate-shaped portion of this tool cart 45, and these pinch rollers 46 are attached to the upper surface of the rail 27. The guide rails 42 on the front side are each gripped. On the other hand, as shown in FIGS. 5 and 6, the vertical plate-shaped portion of the tool truck 45 is provided with a retaining portion 47 in the center thereof for engaging with the guide rail 46. This retaining portion 47 has a recessed portion on its inner surface with a cross-sectional shape corresponding to the cross-sectional shape of the guide rail 44 .
The tool carriage 45 is attached to the guide rail 44 by fitting into the guide rail 44 . That is, the tool cart 45 is movably attached to the guide rails 42 and 44 of the rail 27 via the pinch rollers 46 and the retaining portions 47, respectively.

As shown in FIGS. 3 to 6, an air cylinder 48 is attached to the upper part of the tool truck 45 so as to face downward.

As shown in FIG. 6, the piston loft of the air cylinder 48 is connected to a locking member 49 that has an approximately inverted U shape. As shown in FIG. 5, recesses 50 extending relatively long in the vertical direction are formed on the inner surfaces of the two vertical legs of the locking member 49. As shown in FIG. And this recess 50
As shown in the figure, the upper wall surface 50a of the guide rail 44
It has an inverted tapered surface corresponding to the upper inverted tapered surface. On the other hand, the lower wall surface 50b of the four portions 50 is formed into a reverse tapered surface corresponding to the lower reverse tapered surface of the guide rail 44. When the locking member 49 is moved up and down by the drive of the air cylinder 48, one wall surface of the recess 50 of the locking member 49 is connected to one side of the guide rail 44, as shown in FIGS. 5A and 5B. It is designed to engage with a reverse tapered surface. The engagement between the locking member 49 and the guide rail 44 fixes the tool cart 45 at that position.

As shown in FIG. 5A, the locking member 49 of the tool truck 45 is attached to a tool support portion 51 disposed on the front side of the tool truck 45.
is connected to. A tool 41 for cutting the glass wool plate is attached to the lower side of the tool support 51. As shown in FIG. 3, the tool support portion 51 is entirely configured as a substantially rectangular parallelepiped block. A cutting tool 4 is provided in the center of the tool support portion 51.
1 is provided with a mounting screw 52 for attaching and detaching it.

This tool support part 51 has its mounting screw 52.
Vertical through holes are provided on both sides of the tool truck 45, and a pair of guide rods 53 provided on the front surface of the vertical plate-like portion of the tool truck 45 pass through these through holes. Guided by the guide rod 53, the tool support portion 51 and the tool 41 are vertically driven by the air cylinder 48 together with the aforementioned locking member 49.

As shown in FIGS. 4 and 5, a connecting portion 54 that engages with a connecting ring 62 of a mobile drive vehicle 55, which will be described later, is provided on the upper surface of the rear end of the horizontal plate-like portion of the tool truck 45. .

As shown in FIGS. 3 to 5, a mobile drive vehicle 55 is attached to the back side of the rail 27.

The main body of this mobile drive vehicle 55 is the tool truck 45 described above.
It is constructed in the shape of an inverted letter facing the
As shown in the figure, two pairs of pinch rollers 56 are attached to the lower surface of the horizontal plate-like portion. These pinch rollers 56 grip the guide rails 43 on the rear side of the upper surface of the rails 27, respectively. On the other hand, as shown in FIGS. 3 and 5, a guide rail 57 similar to the guide rail 44 on the front side is provided on the back surface of the rail 27. Then, the retaining portion 5 provided on the front surface of the vertical plate-like portion of the mobile drive vehicle 55 is fitted into this guide rail 57 in the same way as the retainer portion 47 of the tool cart 45 described above, and the movable drive vehicle 55 is attached to the rail 27.

As shown in FIGS. 3 and 5, on the back side of the rail 27, there is a
A rack 59 is provided that extends parallel to the. On the other hand, as shown in FIG. 5, a pinion 60 that meshes with the rack 59 is provided on the front side of the vertical plate-like portion of the mobile drive vehicle 55.

This pinion 60 is fixed to the rotating shaft of a step motor 61 attached to a vertical plate-shaped portion of the mobile drive vehicle 55.

As shown in FIGS. 3 to 5, the upper surface of the horizontal plate-like portion of the movable drive vehicle 55 engages with the connecting portion 54 of the tool truck 45 described above, and the movable drive vehicle 55 and the tool truck 45 are connected to each other. A connecting ring 62 is provided to connect the two. That is, an air cylinder 64 is attached to the upper surface of the horizontal plate-shaped portion of the movable drive vehicle 55 via an attachment portion 63, and a connecting ring 62 is attached to the piston rod of this air cylinder 64. A block-shaped guide support part 65 is provided at the front end of the upper surface of the horizontal plate-like part of the mobile drive vehicle 55, and the connecting ring 62 is inserted into a guide hole formed in this guide support part 65. Guidance is supported.

As shown in FIGS. 3 and 4, the tip of the connecting ring 62 has a tapered surface.
The connecting portion 54 of No. 5 has a recess 66 having a shape corresponding to the shape of the tip of the connecting ring 62 on the surface facing the connecting ring 62 . When the connecting ring 62 moves forward by the drive of the air cylinder 64, the tip of the connecting ring 62 engages with the recess 66 of the connecting portion 54. At this time, the tip of the connecting ring 62 Since they are configured as tapered surfaces, even if the movable drive vehicle 55 and the tool cart 45 are slightly misaligned, their connection can be performed smoothly.

In addition, in FIG. 1, 67 is a footsinch for controlling the air drive device 23.

Next, the operation of the glass wool plate cutting apparatus configured as above will be explained.

First, a glass wool plate as a workpiece is placed with the aluminum foil side down on the table 20 shown in FIG. 23 is activated, and as shown in FIG. 7A, air is force-fed from this air drive device 23 to the air chamber 22 of the table 20, and this air is blown out from the air passage hole 21 of the table 20. This air blow causes table 2
Since the glass wool plate l above 0 floats as shown in FIG. 7A, the glass wool plate l is moved appropriately in this state and positioned at an accurate working position using the positioning rollers 24 and alignment bar 25. do.

When the glass wool plate l is accurately positioned at the predetermined working position, the foot switch 67 is operated again with the foot to switch the operation of the air drive device 23, and as shown in FIG. 7B, the air on the table 20 is Air is sucked through the conduction hole 21 and the glass wool plate-like body l is adsorbed onto the table 20.

In this embodiment, since the air drive device 23 is switched by the foot switch 67, the operator always has both hands free during this positioning operation, and therefore the glass wool plate 1 can be easily and quickly positioned. In addition, since the roller 24 is used as a positioning stopper, the floating glass wool plate l is first brought into contact with this roller 24 to position its front end, and then the glass wool plate l is It can be moved left and right while in contact with the rollers 24, and brought into contact with the alignment bar 25 to position it in the left and right direction.

When the positioning and fixing of the glass wool plate-like body 1 is completed as described above, the alignment bar 25 is rotated to a position where it does not interfere with the work by the action of an air cylinder (not shown), as shown in FIG. 7B. . Further, in FIG. 1, the positioning rollers 24 are also lowered by the action of an air cylinder (not shown) and moved to positions where they do not interfere with the work.

Next, the movable drive vehicle 55 attached to the rail 27 transports the tool carts 45 to respective predetermined working positions. That is, the mobile drive vehicle 55 first moves behind the tool cart 45 to be transferred, as shown in FIGS. 3 and 4. Then, the connecting ring 62 is advanced by the action of the air cylinder 64 attached to the upper part of the mobile drive vehicle 55, and the tip of the connecting ring 62 is engaged with the recess 66 provided in the connecting portion 54 of the tool truck 45. let The tool cart 45 connected in this manner is moved to a predetermined working position by driving the step motor 61.

At this time, the position of the mobile driving vehicle 55 is determined by the signal from the step motor 61. That is, the control means for controlling the position of the movable drive vehicle 55 stores the position of the movable drive vehicle 55 by counting signals from the step motor 61 with one end of the rail 27 as the origin. Coordinates are set on the rail 27 by signals from the step motor 61. And each tool trolley 4
5 and the target working position of each tool truck 45 are stored on these coordinates, and the mobile drive vehicle 55 first moves to the target tool truck 45 according to a given sequence.
There, the tool carriage 45 is connected and transferred to a target working position, and then the next tool carriage 45 is transferred to the target working position. In this way, the plurality of tool carts 45 are sequentially transferred to their intended working positions.

Each tool cart 45 that has been transferred to the target working position is fixed at that position in the following manner. That is, as shown in FIG. 5A, the air cylinder 48 attached to the upper part of the tool truck 45 raises the locking member 49 connected to the piston rod, and the locking member 49 formed on the inner surface of the locking member 49 is raised. The lower wall surface 50b of the recessed portion 50 is engaged with the lower inverted tapered surface of the guide rail 44. Then, the tool carriage 45 is fixed in that position by the pressing force. At this time,
Tool support portion 51 and tool 41 connected to locking member 49
As shown in the figure, is in a raised position, and in this position it cannot come into contact with the glass wool plate 1, and therefore cannot cut it.

As shown in FIG. 1, six cutting tools 41 are attached to the rail 27 in this embodiment. However, depending on the intended cutting process, not all of these cutting tools 41 are required. Therefore, in this embodiment, only the necessary tools among these six cutting tools 41 can be selectively used.

That is, among the cutting tools 41 each fixed at the target working position as described above, only the tools necessary for the cutting operation at that time are controlled by the action of the air cylinder 48, as shown in FIG. 5B. , and is moved to an operating position where the glass wool plate 1 can be cut. At this time, as shown in the figure, the locking member 49 coupled to the piston rod of the air cylinder 48 also descends, and this time, the upper wall surface 50a of the recess 50 formed in the locking member 49 Engages with the upper reverse tapered surface. The tool cart 45 is fixed to the rail 27 by the pressing force.

In this way, in this embodiment, after each of the plurality of cutting tools 41' attached to the rail 27 is fixed at a predetermined working position, only the tools necessary for the desired cutting process are moved to their operating positions. is lowered and other tools remain in the inactive position. Therefore, it is possible to attach all the tools required for a plurality of cutting Everturns to the rail 27 in advance, and selectively use only the tools necessary for the desired cutting Everturn at that time. Therefore, there is no need to change the tool each time the cutting process changes.
Work efficiency can be significantly increased.

As described above, when the glass wool plate-like body l, which is the workpiece, is positioned and fixed at a predetermined processing position, and the tools 41 necessary for the cutting process at that time are respectively fixed at predetermined operating positions, The motor 32 shown in FIG. 2 is driven, and the support member 28 supporting the rail 27 moves forward in FIG. As a result, the rail 27 is translated forward, and the cutting tool 41, which is fixed to the rail 27 and is in the operating position, cuts the glass wool plate-like material 1 into the desired cutting process.

In the above embodiment, there is only one air chamber 22 provided at the bottom of the table 20, but it would be possible to divide the air chamber 22 into a plurality of chambers and control the air in each chamber. For example, it can be configured to cut a plurality of glass wool plates at once.

Further, in the above embodiment, each tool cart 45 is moved by the mobile drive vehicle 55, but for example, each tool cart 45 itself may be provided with an appropriate driving means, or a scale or the like may be provided on the rail. Alternatively, the tool cart 45 may be moved manually.

〔Effect of the invention〕

According to the present invention, it is possible to mechanically cut glass wool plate-like bodies, so that high-quality products can be mass-produced with ease.
Therefore, it can be manufactured at low cost.

In addition, in the cutting device of the present invention, the glass wool plate-like object to be processed is fixed to the table by air suction, so that a large fixing force can be applied without deforming the glass wool plate-like object. It is possible to do so. In the present invention, the table on which the glass wool plate is placed is fixed, and the cutting tool is movable, so the moving mechanism is not very large-scale and relatively It only requires a simple configuration.

In addition, in the device of the present invention, multiple cutting tools are attached to the rail, and only the necessary tools can be selectively used, so multiple cutting operations can be performed as a series of operations. There is no need to replace the tool every time the pre-cutting Everturn changes.

Furthermore, in the present invention, when positioning the glass wool plate, air is blown out through the air passage holes provided in the table to suspend the glass wool plate, making the positioning operation extremely easy. It can be carried out.

[Brief explanation of the drawing]

FIG. 1 is an external perspective view of a glass wool plate cutting device according to an embodiment of the present invention, FIG. 2 is a side view of the same, and FIG.
The figure is an enlarged perspective view showing the tool cart and movable drive car attached to the same rail as above, Fig. 4 is a top view of the state shown in Fig. 3, and Figs. 5A and 5B are fixation of the tool cart. 3 is a vertical sectional view showing the means, FIG. 6 is a sectional view taken along the line Vl--Vl in FIG. 5B showing the shape of the locking member for fixing the tool cart, and FIGS. 7A and 7B are FIG. 2 is a partially enlarged vertical cross-sectional view showing an air blowing operation and an air suction operation on the table of the apparatus shown in FIG. 1; Figure 8A is an end view of the cut glass wool plate, Figure 8B is an end view of the same glass wool plate assembled into a duct, and Figures 9A and 9B are for conventional cutting. Perspective views showing the tool, Figures 10A and 10
Figure B is a schematic cross-sectional view and a top view showing a conventional glass wool plate cutting device. In addition, in the reference numerals used in the drawings, l glass wool plate-shaped body 20 table 21 air conduction hole 23 air drive device 27 rail 41 cutting tool 45 --------1 tool trolley 49 locking member 55 mobile drive vehicle 61 Step motor 62 Connecting ring. Figure 4 Figure 6 l2 Figure 10A Figure 10B

Claims (1)

[Claims] A fixed table for positioning and fixing a glass wool plate, the table having a large number of air passage holes on its upper surface, and above the table, parallel to the table. an extending rail; a horizontal movement mechanism for moving the rail parallel to the table and perpendicular to the extending direction of the rail; and movable on the rail along the rail. a plurality of processing tools attached to the rail; fixing means for fixing each of the processing tools at predetermined positions on the rail; and a fixing means for fixing each of the processing tools to a predetermined position on the rail; a glass wool plate-like body, comprising a vertical movement means for vertically moving the table, and an air driving means for blowing out air from the air conduction holes of the table and sucking air from these air conduction holes. Cutting equipment.