JPH08183024A - Stone plate manufacturing apparatus - Google Patents

Abstract

PURPOSE: To produce a stone plate having a flat surface provided with natural uneven texture peculiar to a stone material. CONSTITUTION: Pressing hydraulic cylinder devices 13 and pressure cutting hydraulic cylinder devices 14 are arranged within the plane vertical to the outer peripheral surface of a stone material 1 and the stone pressers 21 of the pressing hydraulic cylinder devices 13 are provided so as to be capable of pressing the entire side surface 6 of the stone material 1 toward the axial center O of the stone material 1 and the press blades 26 of the pressure cutting hydraulic cylinder devices 14 are provided so as to be able to advance and retreat with respect to the axial center of the stone material within the plane vertical to the entire side surface of the stone material and the stone pressers are arranged on both sides of the press blades.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to granite, marble, affixed to floors and walls of buildings, earth retaining stones, stones of stones, etc.
The present invention relates to a stone plate manufacturing apparatus for manufacturing stone plates such as sandstone and andesite.

[0002]

2. Description of the Related Art Conventionally, when a stone plate such as granite or marble is used as an interior material, an exterior material or a structural material of a building, a natural uneven textured surface peculiar to the stone material is applied to the surface of the stone plate to improve the appearance. There is.

As a stone plate manufacturing apparatus for producing such a stone plate, after cutting the four side surfaces of a rectangular parallelepiped stone material, a press blade is pressed against this stone material perpendicularly to the longitudinal direction of the stone material to press and crush it. It has been proposed to cut and produce a thin stone plate. By using the crushed cut surface as the surface of the stone plate, the surface of the stone plate can be made to have a natural uneven textured surface.

[0004]

However, in the above-described conventional stone plate manufacturing apparatus, the crushed and cut surface of the stone plate is chipped or the stone plate is buckled, so that the stone plate having a good surface cannot be obtained.

The present invention has been made in consideration of the above circumstances, and an object of the present invention is to provide a stone plate manufacturing apparatus capable of favorably manufacturing a stone plate having a natural uneven textured surface peculiar to a stone material.

[0006]

According to a first aspect of the present invention, there is provided a stone plate manufacturing apparatus for crushing and cutting a stone material to produce a stone plate having a split surface, and a pressing device for pushing the stone material in a plane perpendicular to an outer peripheral surface of the stone material. And a pressure cutting device is arranged so that the pressing piece of the pressing device is provided so as to be able to press the substantially entire outer peripheral surface of the stone material toward the axis of the stone material, and the press blade of the pressure cutting device. Is provided so as to be capable of advancing toward the axial center of the stone in the vertical plane with respect to the substantially entire outer peripheral surface of the stone, and the pressing pieces are arranged on both sides of the press blade. .

According to a second aspect of the present invention, the pressing device of the first aspect comprises a pressing cylinder device in which a pressing piece and a pressure cutting device are installed at the tip of the piston rod. The press cutting cylinder device is provided with a press blade at the tip of the piston rod.

According to a third aspect of the present invention, the pressing device according to the first aspect comprises a first pressing cylinder device in which a first pressing piece and a pressure cutting device are installed at the tip of the pithron rod, and a second pressing at the tip of the piston rod. A second pressing cylinder device having a piece installed thereon, wherein the pressure cutting device has a pressure cutting cylinder device having a press blade at the tip of the piston rod. The cylinder device is installed at the tip of the piston rod of the take-out cylinder device in which the piston rod is provided so as to advance and retreat with respect to the stone material, and the second pressing piece can press the tip side of the stone material against the press blade. It is said that.

According to a fourth aspect of the present invention, the pressure cutting device according to the first aspect comprises a pressure cutting cylinder device in which a press blade and a pressing device are installed at the tip of the piston rod. It is composed of a restraint device having a pressing piece installed at the tip.

The invention according to claim 5 is the invention as defined in claims 1, 2 and
The pressing piece described in any one of 3 and 4 regulates the amount of advance of the press blade with respect to the outer peripheral surface of the stone material to a predetermined value.

According to a sixth aspect of the present invention, in a stone plate manufacturing apparatus for crushing and cutting a stone material to produce a stone plate with a split surface, a pressure cutting device can be arranged in a plane perpendicular to the outer peripheral surface of the stone material. The press blade of the pressure cutting device is provided so as to be capable of advancing in the axial direction of the stone in the vertical plane with respect to the substantially entire outer peripheral surface of the stone, and the advance amount of the press blade is restricted to a predetermined value. It is configured to be possible.

[0012]

Therefore, according to the stone plate manufacturing apparatus of the invention described in claims 1 to 6, the stone blade is crushed and cut perpendicularly to the outer peripheral surface by the press blade of the pressure cutting device, and the cracked surface is cut. Since this stone plate is manufactured, the surface of this stone plate can be made into a natural uneven textured surface peculiar to stone material.

Further, according to the invention described in claims 1 to 5, when the press blade of the pressure cutting device crushes and cuts the stone material perpendicularly to the outer peripheral surface thereof, the pressing piece of the pressing device, In the vertical plane, since the entire outer peripheral surface of the stone is pressed toward the axis of the stone, when the pressing force is an appropriate value, on both sides of the fracture cutting surface in the stone The balance of proof stress against the pressing force applied by the press blade can be maintained well. As a result, the crushed and cut surface of the stone material becomes a flat surface, and the central portion of the crushed and cut surface does not have a substantially concave shape. Therefore, the thin stone plate surface manufactured from the stone material can be formed as a flat surface.

In particular, according to the third aspect of the invention, the pressing piece of the second pressing cylinder device installed in the take-out cylinder device has the tip side of the stone material with respect to the press blade of the pressure cutting cylinder device. Since almost all of the outer peripheral surface is pressed, the manufactured stone plate is gripped in a pressed state after crushing and cutting with the press blade. Therefore, by retracting the take-out cylinder device, after the stone plate is manufactured, the manufactured stone plate can be continuously taken out, and the stone plate can be taken out easily.

Further, in particular, according to the invention described in claim 4, since the cylinder device is sufficient for the pressure cutting cylinder device and is not used for the pressing device, the structure of the stone plate manufacturing apparatus can be simplified and the cost is reduced. it can.

Further, according to the invention as set forth in claim 5, since the pressing piece restricts the advance amount of the press blade to the outer peripheral surface of the stone material to a predetermined value, the advance amount of the press blade on the entire outer peripheral surface of the stone material is increased. Since the value is a constant value, it is possible to prevent the stone material from being chipped due to the particular press blade excessively advancing to the outer peripheral surface of the stone material, and it is possible to manufacture a stone plate having a desired thickness.

Further, according to the invention of claim 6, the advance amount of the press blade of the pressure cutting device is regulated to a predetermined value. Excessive advancement can be prevented, and therefore a stone plate having a desired thickness can be manufactured without causing chipping of the stone plate.

[0018]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 (A) is a front view showing a first embodiment of a stone plate manufacturing apparatus according to the present invention, and FIG.
It is a IB arrow view of (A). 2 (A) is an enlarged sectional view of the stone plate manufacturing apparatus of FIG. 1 (A) taken along line IIA-IIA of FIG. 2 (B), and FIG. 2 (B) is of FIG. 2 (A). IIB-II
It is sectional drawing which follows the B line. FIG. 3 is a side view of the press blade shown in FIG. FIG. 4 is a perspective view of a stone plate manufactured by the stone plate manufacturing apparatus of FIG. FIG. 5: is a schematic diagram which shows the crushing process at the time of manufacturing a stone board.

In the stone plate manufacturing apparatus 10 shown in FIG. 1, an opening 12 is formed in a central portion of a frame 11, and a plurality of pressing hydraulic cylinder devices 13 as pressing devices are provided at the peripheral edge of the frame 11 forming the opening 12. Each of the pressing hydraulic cylinder devices 13 is provided with a pressing and cutting hydraulic cylinder device 14 as a pressing and cutting device. Further, a control device 15 is installed on the frame 11, and the control device 15 controls the operation of the pressing hydraulic cylinder device 13 and the pressurizing cutting hydraulic cylinder device 14.

The stone plate manufacturing apparatus 10 is for manufacturing a stone plate 2 (FIG. 4) by crushing and cutting a rectangular parallelepiped stone material 1 (FIG. 2) made of granite or marble. is there. This stone plate 2 has a front surface 3, a back surface 4 and 4
It is a thin-walled rectangular parallelepiped having two side surfaces 5. The side surface 5 of the stone plate 2 is formed as a cutting surface by cutting the four side surfaces 6 of the stone material 1. In addition, the front surface 3 and the back surface 4 of the stone plate 2 are crushed and cut by being pressed by a press blade 26 described later in the same vertical plane orthogonal to the four side surfaces 6 of the stone material 1, and as crushed surfaces of split skin. It is formed.

In the stone plate manufacturing apparatus 10, as shown in FIG. 2, the stone material 1 is penetrated through the opening 12 of the frame 11, and the pressing hydraulic cylinder device 13 and the pressure cutting hydraulic cylinder device 14 are arranged in the longitudinal direction of the stone plate 1. They are arranged in the same vertical plane as the direction. The pressing hydraulic cylinder device 13 is a stone material 1.
Three of the four side surfaces 6 are arranged corresponding to the three side surfaces 6. The hydraulic cylinder device for pressure cutting 14 is arranged corresponding to the remaining side surface 6 of the stone material 1, and 3
Piston rod 16 of hydraulic cylinder device 13 for pressing table
It is installed at the tip.

The pressing hydraulic cylinder device 13 is constructed such that a cylinder 17 is filled with hydraulic oil 18 and a piston 19 is slidably arranged, and a piston rod 16 is integrally fixed to the piston 19. To be done. The casing 20 is integrally fixed to the tip of the piston rod 16,
A stone retainer 21 as a pressing piece is mounted on the front surface of the casing 20. Further, the cylinder 22 of the hydraulic cylinder device 14 for pressure cutting is formed in the casing 20.

In the pressure cutting hydraulic cylinder device 14, the cylinder 22 is filled with hydraulic oil 23, and the piston 24 is slidably arranged. The piston 24 is provided with a piston rod 25 to press the blade. 26 is installed and configured. Casing 20 in which cylinder 22 is formed
Among the three casings 20, three casings 20 are fixed to the piston rods 16 of the three pressing hydraulic cylinder devices 13, and the remaining one casing 20 is provided at the peripheral edge portion forming the opening 12 in the frame 11. It is installed corresponding to the side surface 6 of the stone material 1.

The above-mentioned four hydraulic cylinder devices for pressure cutting 1
The four press blades 26 in 4 are arranged in the same vertical plane with respect to the longitudinal direction of the stone material 1, and are formed to have a length substantially corresponding to the width W of each of the four side surfaces 6 of the stone material 1.
By the action of the hydraulic cylinder device 14 for pressure cutting, the press blade 26 is allowed to advance in the direction of the axis O of the stone 1, and the four press blades 26 in these four hydraulic cylinder device 14 for pressure cutting allow The stone material 1 is crushed and cut at a vertical surface corresponding to the blade trace of the press blade 26, and the stone plate 2 is manufactured.

The edge angle θ of the press blade 26 is formed to be 60 ° to 90 ° as shown in FIG. As the cutting edge angle θ becomes larger, the stone material 1 can be crushed and cut even if the advance amount (crushing stroke) of the press blade 26 is made smaller. The pressing force applied to the press blades 26 by the four hydraulic cylinder devices 14 for pressure cutting is, for example, about 5 to 100 tons.

A stone retainer 21 installed on the three pressing hydraulic cylinder devices 13 via a casing 20 and a stone retainer 2 installed on the casing 20 arranged on the frame 11.
1 is disposed on both sides of the press blade 26 in the longitudinal direction of the stone material 1, and each is formed to have a length substantially equal to the width W of the side surface 6 of the stone material 1, similarly to the press blade 26. Three
By the operation of the table pressing hydraulic cylinder device 13, the stone retainer 21 presses the four side surfaces 6 of the stone material 1 in the direction of the axis O of the stone material 1.

The pressing force of the stone presser 21 is, for example, about 5 to 1
00 tons is good. If the pressing force is too small,
As shown in (A), the crushed cut surface 27 of the stone material 1, that is, the central portion of the front surface 3 or the back surface 4 of the stone plate 2 is formed into a substantially concave shape. If the pressing force of the stone presser 21 is excessive, the stone plate 2 will buckle after cutting when the thickness t of the stone plate 2 is thin. When the pressing force of the stone presser 21 is set to an appropriate value according to the stone material 1, as shown in FIG. 5B, the fracture cutting surface 27 of the stone material 1, that is, the front surface 3 or the back surface 4 of the stone plate 2 Are formed on a flat surface.

Further, the stone presser 21 is arranged on both sides of the press blade 26, and as shown in FIG. 3, the tip thereof is formed on the tapered surface 27 corresponding to the blade tip angle θ of the press blade 26. The press blade 26 is a hydraulic cylinder device 14 for pressure cutting.
When advancing to the side surface 6 of the stone material 1 by the above, it abuts on the tapered surface 27 of the stone retainer 21 and the amount of advance thereof is regulated to a predetermined value L. The predetermined value L of the amount of advance depends on the material of the stone material 1 and is set to a value that does not cause chipping of the stone material 1, and is usually set to about 1 to 1.5 mm.

According to the above-described embodiment, the stone plate 1 is crushed and cut by the press blade 26 of the hydraulic cylinder device 14 for pressure cutting in a direction perpendicular to the longitudinal direction of the stone plate 1 to produce the stone plate 2 with split skin. Therefore, the front surface 3 or the back surface 4 of the stone plate 2 can be made into a natural uneven textured surface peculiar to the stone material 1.

When the press blade 26 of the hydraulic cylinder device 14 for pressure cutting crushes and cuts the stone 1 perpendicularly to its longitudinal direction, the pressing piece 21 of the hydraulic cylinder device 13 for pressing presses the vertical surface. Since all the side surfaces 6 of the stone material 1 are pressed toward the axis O of the stone material 1 inside, when the pressing force is an appropriate value of about 5 to 100 tons, the crushed cut surface of the stone plate 1 On both sides of 27, it is possible to maintain a good balance of proof stress against the pressing force applied by the press blade 26. As a result, the crushed cut surface 27 of the stone material 1 becomes a flat surface, and the central portion of the crushed cut surface 27 does not have a substantially concave shape. Therefore, the front surface 3 or the back surface 4 of the thin stone plate 2 manufactured from the stone material 1 is It can be formed on a flat surface.

Further, a taper surface 27 is formed on the stone retainer 21, and the press blade 26 of the hydraulic cylinder device 14 for pressure cutting abuts on the taper surface 27, so that the amount of advance of the stone material 1 to the outer surface 6 is a predetermined value. Since it is set to L, even if there is a deviation in the advance timing of each press blade 26 in the four hydraulic cylinder devices 14 for pressure cutting, all the press blades 26 advance only to the same position. Therefore, it is possible to prevent the specific press blade 26 from advancing excessively to cause chipping of the stone material 1, and it is possible to favorably manufacture the stone plate 2 having a desired thickness.

Incidentally, in this first embodiment, as shown in FIG.
One of the left and right pressing hydraulic cylinder devices 13 may be omitted, and only two pressing hydraulic cylinder devices 13 may be installed together with the upper pressing hydraulic cylinder device 13.

FIG. 6 shows a second embodiment of the stone plate manufacturing apparatus according to the present invention.
FIG. 3 is a side sectional view showing a state before work, showing an embodiment, and FIG. 7 (B) is a side sectional view showing a state during operation. In the second embodiment, the same parts as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

In the stone plate manufacturing apparatus 30 of the second embodiment, the openings 12 of the frame 11 are provided so as to correspond to the four side surfaces 6 of the stone material 1.
Four first pressing hydraulic cylinder devices 31 are installed in the peripheral portion, and the pressure cutting hydraulic cylinder device 14 is installed in the casing 20 installed on the piston rod 16 of each first pressing hydraulic cylinder device 31. At the same time, the first pressing piece 33 is fixed, and the second pressing hydraulic cylinder device 32 having the second pressing piece 34 is further arranged in the ejecting hydraulic cylinder device 35.

In the take-out hydraulic cylinder device 35, the cylinder 36 is filled with hydraulic oil 37 and the piston 38
Are slidably disposed, and a piston rod 39 is fixedly attached to the piston 38, and the piston 38 is configured to be movable back and forth along the center O of the stone material 1.

The second pressing hydraulic cylinder device 32 is
It is fixed to a piston rod 39 via a support plate 40, a cylinder 41 is filled with hydraulic oil 42, and a piston 43 is configured to be slidable vertically to an axis O of the stone material 1. The second pressing piece 34 is fixed to the piston 43 via a piston rod 44.

Along the longitudinal direction of the stone material 1 (axis O direction),
The first pressing piece 33 of the first pressing hydraulic cylinder device 31 and the second hydraulic piece 34 of the second pressing hydraulic cylinder device 32 are arranged on both sides of the press blade 26 of the pressure cutting hydraulic cylinder device 14. It The first pressing piece 33 can press the base end side along the longitudinal direction of the stone material 1, and the second pressing piece 34 can press the distal end side along the longitudinal direction of the stone material 1 toward the axis O of the stone material 1, respectively.

Therefore, also in the stone plate manufacturing apparatus 30, the four side surfaces of the stone material 1 are formed by the first pressing piece 33 of the first pressing hydraulic cylinder apparatus 31 and the second pressing piece 34 of the second pressing hydraulic cylinder apparatus 32. Stone width 1 to 6
With the press blade 26 of the hydraulic cylinder device for pressure cutting 14 pressed in the direction of the axis O of the stone material 1,
Since the stone plate 2 is formed by crushing and cutting in the vertical direction,
The surface 3 or the back surface 4 of the stone plate 2 can be formed into a natural uneven textured surface peculiar to the stone material 1, and the surface 3 or the back surface 4 of the stone plate 2 can be formed into a flat surface.

Further, the pressing piece 3 of the second pressing hydraulic cylinder device 32 installed in the extracting hydraulic cylinder device 35.
4 is a press blade 26 of the hydraulic cylinder device 14 for pressure cutting.
On the other hand, since all the side surfaces 6 on the tip end side in the longitudinal direction of the stone material 1 are pressed, the four side surfaces 5 of the manufactured stone plate 2 are gripped in a pressed state after the crushing and cutting by the press blade 26. Therefore, by retracting the take-out hydraulic cylinder device 5, after the stone plate 2 is manufactured, the manufactured stone plate 2 can be continuously taken out immediately, and the stone plate 2 can be taken out easily.

FIG. 7 (A) is a sectional view taken along line VIIA-VIIA of FIG. 7 (B) showing a third embodiment of the stone plate manufacturing apparatus according to the present invention, and FIG. 7 (B) is VII B- in FIG. 7 (A)
FIG. 7 is a sectional view taken along line VII B. In the third embodiment, the same parts as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

In the stone plate manufacturing apparatus 50 of the third embodiment,
At the peripheral edge of the opening 12 of the frame 11, four pressure cutting hydraulic cylinder devices 51 are installed corresponding to the four side surfaces of the stone material 1. At the tip of the piston rod 52 of the pressure cutting hydraulic cylinder device 51. The press blade 26 and the fluid pressure generator 54 as a restraint device are installed via the support plate 53.

In each pressurizing and cutting hydraulic cylinder device 51, the cylinder 55 is filled with hydraulic oil 55A, and the piston 56 is accommodated so as to be slidable in the direction perpendicular to the longitudinal direction of the stone material 1. The press blades 26 installed on the four pressure cutting hydraulic cylinder devices 51 via the support plates 53 are arranged in the same vertical plane with respect to the longitudinal direction of the stone material 1. Therefore, the hydraulic cylinder device 51 for pressure cutting
By the advancing operation of, the press blade 26 enables the stone material 1 to be crushed and cut in the same vertical plane.

In the fluid pressure generator 54, a housing 57 is filled with a fluid such as hydraulic oil 57A or a gas, and a piston 58 is slidably accommodated in the piston 58. 21 is fixed. Therefore, when the stone retainer 21 comes into contact with the four side surfaces 6 of the stone material 1 during the advancing operation of the hydraulic cylinder device 51 for pressure cutting, the housing 57 of the fluid pressure generating device 54.
The side surface 6 of the stone material 1 is pressed in the direction perpendicular to the longitudinal direction of the stone material 1 by the reaction force of the hydraulic pressure or the gas pressure generated by the volume contraction therein.

Also with this stone plate manufacturing apparatus 50, a press force acts on the press blade 26 by the hydraulic cylinder device 51 for pressure cutting, and when the stone material 1 is crushed and cut in the plane perpendicular to its longitudinal direction, fluid pressure is applied. Since the stone presser 21 presses the side surface 6 of the stone material 1 toward the axis O in the same direction as the pressing force by the generator 54, the front surface 3 or the back surface of the stone material 1 manufactured by crush cutting with the press blade 26 is pressed. 4 can be formed on a flat surface and on the surface of the stone material having a natural uneven shape.

Further, since the cylinder device is sufficient for the hydraulic cylinder device 51 for pressure cutting and is not used as the pressing device, and the pressing device is sufficient for the fluid pressure generating device 54, the structure of the stone plate manufacturing device 50 can be simplified, Cost can be reduced.

In the third embodiment, the restraint device is the fluid pressure generator 54. However, as shown in FIG. 8A, the coil spring 61 is used in the housing 57 instead of the fluid or gas. Spring force generator 60
It is also possible to use the coil spring 61 for the stone presser 21.
Alternatively, a pressing force acting on the side surface 6 of the stone material 1 may be generated.

Further, as shown in FIG. 8B, the restraint piece 6 is attached to the support plate 53 of the third embodiment as a restraint device.
It is also possible to fix 2 and to attach a pressing force to the side surface 6 of the stone material 1 by attaching a stone presser 63 as a pressing piece made of an elastic member such as a rubber sheet to the tip of the restraining piece 62.

Further, as shown in FIG. 8C, only the press blade 26 is installed on the support plate 53 of the third embodiment,
A stone pressing tool 64 may be used as the restraint device.
In this stone pressing tool 64, a stone pressing member 67 as a pressing piece is installed at both ends of a connecting rod 65 via bolts 66. By adjusting the bolt 66, the stone retainer 67 is moved in the direction perpendicular to the longitudinal direction of the stone material 1. At the time of crushing and cutting by the press blade 26, the stone pressing tool 64 is used to apply a pressing force in the direction perpendicular to the longitudinal direction of the stone material 1, that is, in the direction in which the pressing force is applied by the press blade 26.

Further, in each of the above-mentioned embodiments and modifications, the stone material 1 is described as having a quadrangular prism shape, but it may be a polygonal prism such as a pentagonal prism shape, or may be a cylindrical shape.

In each of the embodiments and the modified examples, the stone retainer 21, the first pressing piece 33, the second pressing piece 34,
The press blade 2 is provided on the tapered surface 27 of the stone presser 63 and the stone presser 67.
6 is brought into contact with the outer surface 6 of the stone material 1 to press the blade 2
Although the amount of advancing of No. 6 is regulated to the predetermined value L, other members or the hydraulic cylinder devices for pressure cutting 14, 32, 51 are described.
The advancing amount of the press blade 26 may be restricted by itself. Therefore, in this case, the press blade 2 is attached to the outer surface 6 of the stone material 1.
The pressing force may not be applied in the pressing force direction of No. 6.

[0051]

As described above, according to the stone plate manufacturing apparatus according to the present invention, it is possible to manufacture a stone plate having a flat surface having a natural uneven textured surface peculiar to a stone material.

[Brief description of drawings]

1 (A) is a front view showing a first embodiment of a stone plate manufacturing apparatus according to the present invention, and FIG. 1 (B) is FIG.
It is a IB arrow view of (A).

FIG. 2 (A) is a cross-sectional view taken along line IIA-IIA of FIG. 2 (B) in which the stone plate manufacturing apparatus of FIG. 1 (A) is enlarged.
FIG. 2B is a sectional view taken along the line IIB-IIB of FIG.

FIG. 3 is a side view of the press blade shown in FIG. 2 (A).

FIG. 4 is a perspective view of a stone plate manufactured by the stone plate manufacturing apparatus of FIG. 1 (A).

FIG. 5 is a schematic diagram showing a crushing step in manufacturing a stone plate.

FIG. 6 shows a second embodiment of the stone plate manufacturing apparatus according to the present invention, (A) is a side sectional view showing a state before work, and (B) is a side showing an operating state. FIG.

FIG. 7 (A) is a sectional view taken along line VIIA-VIIA of FIG. 7 (B), showing a third embodiment of the stone plate manufacturing apparatus according to the present invention. Is VII B-VI in FIG.
It is sectional drawing which follows the IB line.

FIG. 8 is a side view showing a modified example of the restraint device.

[Explanation of symbols]

 1 stone material 2 stone plate 3 surface of stone plate 5 side surface of stone plate 6 side surface of stone material 10 stone plate manufacturing device 11 frame 12 opening 13 hydraulic cylinder device for pressing 14 hydraulic cylinder device for press cutting 21 stone presser 26 press blade 27 taper surface 30 stone plate manufacturing Device 31 First Pressing Hydraulic Cylinder Device 32 Second Pressing Hydraulic Cylinder Device 33 First Pressing Piece 34 Second Pressing Piece 35 Extracting Hydraulic Cylinder Device 50 Stone Plate Manufacturing Device 51 Pressure Cutting Hydraulic Cylinder Device 54 Fluid Pressure Generating Device

Claims (6)

[Claims] 1. A stone plate manufacturing apparatus for crushing and cutting a stone material to manufacture a stone plate with a split surface, wherein a pressing device and a pressure cutting device can be arranged in a plane vertical to an outer peripheral surface of the stone material, The pressing piece of the pressing device is provided so as to be able to press the substantially entire outer peripheral surface of the stone material toward the axis of the stone material, and the press blade of the pressure cutting device is perpendicular to the substantially entire outer peripheral surface of the stone material. A stone plate manufacturing apparatus, which is provided so as to be capable of advancing toward an axis of the stone material in a plane, and the pressing pieces are arranged on both sides of the press blade. 2. The pressing device comprises a pressing cylinder device having a pressing piece and a pressure cutting device installed at the tip of the piston rod, and the pressing cutting device has a press blade installed at the tip of the piston rod. The stone plate manufacturing apparatus according to claim 1, further comprising a cylinder device for pressure cutting. 3. The pressing device has a first piston rod tip end.
The pressure cutting device comprises a first pressing cylinder device having a pressing piece and a pressure cutting device installed therein, and a second pressing cylinder device having a second pressing piece installed at the tip of the piston rod. The second pressing cylinder device is configured to have a pressure cutting cylinder device having a press blade at the rod tip, and the second pressing cylinder device is the extraction cylinder device in which the piston rod is provided to be able to advance and retreat with respect to the stone material. The stone plate manufacturing apparatus according to claim 1, wherein the stone plate manufacturing apparatus is installed at a tip, and the second pressing piece can press the tip side of the stone material against the press blade. 4. The pressure cutting device comprises a pressure cutting cylinder device having a press blade and a pressing device installed at the tip of the piston rod, and the pressing device is a restraint device having a pressing piece installed at the end. The stone plate manufacturing apparatus according to claim 1, which is configured. 5. The stone plate manufacturing apparatus according to claim 1, wherein the pressing piece is configured to restrict the amount of advance of the press blade with respect to the outer peripheral surface of the stone material to a predetermined value. 6. A stone plate manufacturing apparatus for crushing and cutting a stone material to produce a stone plate with a split surface, wherein a pressure cutting device can be arranged in a plane perpendicular to the outer peripheral surface of the stone material. The press blade is provided so as to be able to advance in the axial direction of the stone material in the vertical plane with respect to the substantially entire outer peripheral surface of the stone material, and the amount of advance of the press blade can be regulated to a predetermined value. Characteristic stone plate manufacturing equipment.