JPH08197401A - Stone grinding/polishing device - Google Patents

Abstract

PURPOSE: To provide a stone grinding/polishing device capable of both chamfering a plain surface and a side surface and cross directional/longitudinal directional surfaces and polishing to a stone to be processed by one machine and also making manufacturing of the whole machine as compact as possible. CONSTITUTION: A holding member 3 vertically moving to a movable member 2 moving horizontally is mounted and a supporting member 4 moving cross directionally to the holding member 3 is mounted to support a grinding wheel head 5 in which a plurality set of grinding wheel members 6 are radically attached to the supporting member 4 and also a drive means 7 providing rotation to one of the grinding wheel members 6 of the grinding wheel head 5 through a coupling means is mounted in the supporting member 7 and a switching means 9 corresponding the grinding wheel members 6 coupled with the drive means 7 by the coupling means to a processing part of a stone b is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stone material grinding / polishing apparatus used for grinding and polishing stone materials in the stone processing industry and the like.

[0002]

2. Description of the Related Art Conventionally, an apparatus shown in FIG. 8 is known as an apparatus for automatically mechanically grinding or polishing stone materials such as tombstones and building materials.

In this apparatus 80, an elevating member 82 is attached to a vertical frame 81 formed in a gate shape, and a turret head 83 which is horizontally movable is rotatably attached to the elevating member 82, and the turret head 83 is attached to the turret head 83. A plurality of different types of grindstones 84 are provided radially.

The stone material 85 to be processed is the frame 8
On the lower side of 1, the table 87 is mounted on a horizontal rail 86 which is movably mounted in the front-rear direction.

Therefore, the stone surface can be subjected to a multi-step polishing process such as rough, medium, fine, and final polishing by a large number of grindstones attached to the turret head, and the surface to be polished is the upper surface. Since it is only possible to perform only one grinding process, it is not possible to chamfer the side of the stone and the lateral and vertical directions, and these multifaceted processing must be done by each other dedicated machine. There wasn't.

Further, this gate-type machine cannot be used unless the factory has enough space because its structure is large and the installation space of the factory is large. There were various problems such as.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and a moving body moving horizontally is provided with a holding body moving vertically, and the holding body is moved laterally to the holding body. A drive for providing a moving support and supporting a grindstone head provided with a plurality of grindstone bodies radially attached to the support, and for rotating the support to one grindstone body of the grindstone head through a connecting means. By providing a switching means for connecting the grinding stone body, which is connected to the driving means by the connecting means, to the processing portion of the stone material, the chamfering in the plane and the side surface and the lateral and vertical directions with respect to the processed stone material It is an object of the present invention to provide a stone material grinding / polishing device which can be used as a single machine for dual-purpose polishing and can be manufactured as compactly as possible.

[0008]

Means for Solving the Problems The means of the present invention for achieving the above-mentioned object are a machine base and a movable body which is moved by a first operating means along a horizontal guide provided on the machine base.
A holder that moves by a second operating means along a vertical guide provided on the moving body, a support that moves by a third operating means along a lateral guide provided on the holder, and attach to the support. A grindstone head that can be rotated by a selecting means, a plurality of grindstone bodies radially attached to the grindstone head, and a driving means that is provided on the support and that rotates one grindstone body of the grindstone head through a connecting means. And a switching means for making the grindstone body connected to the driving means by the connecting means correspond to the processing portion of the stone material.

Further, the connecting means is provided at an inner end portion of the rotary shaft of the grindstone body, and is provided with a pressure receiving body which is constantly urged inward by a bullet and an outer end portion of an output shaft of the driving means. Body and
An operating member is provided which is linked to the output shaft to connect and disconnect the pressure receiving body and the pressing body.

Further, the switching means includes a rotating shaft attached to the outer frame of the driving means and supported by the support body, and rotating means linked to the rotating shaft.

[0011]

The stone grinding / polishing device of the present invention constructed as described above has the following actions.

First, for example, in the case of polishing a flat surface of a stone material, the grindstone head is rotated by the selecting means to correspond the desired grindstone body to the connecting means in the driving means, and then the connecting means is operated to move the grindstone head. The whetstone and the drive means are connected.

Then, the switching means is operated to turn the entire grindstone head so that the grindstone surface of the grindstone body is parallel to the stone material plane.

Further, after the moving body, the holding body and the support body are moved with respect to the stone surface so that the grindstone body corresponds to a predetermined position, the whetstone body drive means is operated to predetermine the grindstone body. The stone plane is polished by the polishing operation thus performed.

Similarly, even in the chamfering of the side surface or the lateral / vertical direction of the stone material, a grindstone body suitable for machining is selected by the operation of the selecting means and the connecting means described above, and the grindstone head is adapted to the stone material machining surface. It is done by letting you.

Further, the connection in the connecting means is performed by pressing the pressure body provided at the outer end of the output shaft of the drive means to the pressure receiving body provided at the inner end of the grindstone by the actuating member linked to the rotary shaft. As a result, the frictional contact between the two receiving and pressing bodies is performed.

Further, the machining of the stone-working surface of the grindstone body connected to the drive means is carried out by rotating the rotary shaft fixed to the outer frame of the drive means by the rotary means.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a stone grinding / polishing device according to the present invention will be described below with reference to the drawings.

In FIG. 1 to FIG. 3, A is a stone grinding / polishing device for grinding / polishing or chamfering the surface of a stone b such as a tombstone or a building material.
Basically, the holder 3, the support 4, the grindstone head 5, the grindstone body 6, the driving means 7, the connecting means 8 and the switching means 9.

The machine base 1 is composed of a lower base 1a, a vertical frame 1b standing upright from the base 1a, and a horizontal frame 1c extending above the vertical frame 1b. Horizontal guides 10 and 11 each having a predetermined length are attached to one side portion 1a and the horizontal frame 1c.

The moving body 2 is horizontally moved by the first operating means 12 along the horizontal guides 10 and 11 provided on the machine base 1. The first operating means 12 is the horizontal frame 1c.
A rack 13 provided in parallel with the horizontal guide 11, a pinion 14 meshing with the rack 13, and a numerically controllable motor 15 with a reducer for driving the pinion 14.

The holding body 3 is vertically moved by the second operating means 17 along the vertical guide 16 provided on the moving body 2. The second operating means 17 is moved in parallel with the vertical guide 16. The female screw piece 19 of the holding body 3 is screwed onto the screw shaft 18 mounted inside 2, and the screw shaft 18 is driven by a motor 21 capable of numerical control via a speed reducer 20.

The support 4 is formed in a bifurcated shape, and one side of the support 4 is moved forward and backward with respect to a stone placing table 24, which will be described later, by a third operating means 23 along a lateral guide 22. It is mounted so that it can be moved.

Then, the third operating means 23 makes a female screw piece 26 on a screw shaft 25 which is laterally mounted on the holding body 3, and the screw shaft 25 is driven by a motor 27 capable of numerical control.

The moving range of the moving body 2, the holding body 3 and the supporting body 4 can be arbitrarily obtained by setting the lengths of the guides 10, 11, 16 and 22.

The above-mentioned grindstone head 5 is attached to one side of the support 4 in a cantilevered state by a turning shaft 28, and is rotatable by operating a selecting means 29, and has a predetermined diameter. It is shaped like a cup.

The selecting means 29 comprises a motor 30 connected at the outer end of the turning shaft 28 and a position detecting member 31 such as an encoder capable of detecting the rotation angle of the turning shaft 28. A detection signal is sent to the control means 32 to appropriately control the rotational position of the grindstone head 5.

A plurality of sets of the above-mentioned grindstone bodies 6 are radially attached to the outer peripheral portion of the grindstone head 5, and as shown in the enlarged view of FIG.
3, a rotary shaft 35 around which a rotation transmission member 34 such as a spline is provided is movably and rotatably mounted in the axial direction, and an outer end portion of the rotary shaft 35 has a rough grindstone, a medium grindstone, The grindstones w of different types such as fine grindstones and finishing grindstones, or those having different outer diameters and outer shapes (conical shape such as 90 °) are appropriately selected and fixed.

Further, in the substantially central portion of the rotary shaft 35, grinding and
A through hole 36 for supplying the polishing liquid to the surface of the stone material b is bored, and the liquid supply hole 3 provided on the output shaft 37 of the driving means 7 described later
It communicates with 8.

The above-mentioned drive means 7 is provided on the support body 4 and gives rotation to one grindstone body 6 of the grindstone head 5 via the connecting means 8. The above-mentioned output shaft 27 is rotatable and can be a spline or the like. An outer frame 40 movably held in the axial direction by a rotation transmitting member 39 is supported by a rotary shaft 41 protruding from the other side of the support body 4, and the output shaft 37 is attached to the outer frame 40. The rotation shaft 3 of the grindstone body 6 coupled by the coupling means 8 is rotated by the attached motor 42 via a linking member 43 such as a timing belt.
5 can be driven.

The connecting means 8 is attached to the inner end portion of the rotary shaft 35 of the grindstone body 6, and is constantly urged toward the inner center of the grindstone head 5 by an ammunition machine 44 mounted on the rotary shaft 35. The pressure receiving body 45, the pressing body 46 provided on the outer end portion of the output shaft 37 of the driving means 7, and the output shaft 37 are linked to each other via the operation lever 47, and the pressure receiving body 45 and the pressing body 4 are connected.
6 and an operating member 48 such as a fluid cylinder that comes into contact with and is separated from

A friction body 49, which is a member for improving the friction with the pressure receiving body 45, is attached to the end surface of the pressing body 46.

The above-mentioned switching means 9 moves the grindstone body 6 connected to the driving means 7 by the operation of the connecting means 8 to the processing portion of the stone material b, that is, as shown in FIG. Plane, side surface of stone b as shown in (b),
As shown in (c), the chamfer in the lateral direction of the stone material b, (d)
As shown in Fig. 5, the chamfered portion in the longitudinal direction of the stone material b is selectively and appropriately corresponded to, and the rotating shaft 41 is attached to the outer frame 40 of the driving means 7 and supported on the other side portion of the support body 4, It comprises a rotating means 50 linked to the rotating shaft 41.

In the case of the rotating means 50 shown in FIGS. 1 and 2, the fluid cylinder 52 fixed to the support 4 is connected to the outer end of the arm 51 attached to the rotating shaft 41. By operating the fluid cylinder 52, the rotary shaft 41 is rotated by a predetermined rotary angle, and by selecting the rotary angle, the grindstone body 6 is moved within a range of 90 ° from the flat surface to the side surface of the stone material b. Can be dealt with.

In the case shown in FIG. 7, the motor 53 is connected to the rotary shaft 41, and the grindstone body 6 can be made to correspond to the stone material b by the arbitrary rotation angle of the motor 53. A desired rotation angle can be obtained by providing a detector such as an encoder on the motor shaft or adopting a servomotor or the like capable of numerical control.

A support shaft 54 fitted inside the end of the turning shaft 28 is provided on the outer frame 40 of the driving means 7 and on the other side of the rotating shaft 41.

The operation of the stone grinding / polishing apparatus A according to the embodiment of the present invention having the above-described structure will be described.

When grinding or polishing the flat surface of the stone b as shown in FIG. 5 (a), first, the selecting means 29 is used to rotate the grindstone head 5 to which many kinds of grindstone bodies 6, 6 ... The desired grindstone body 6 is positioned in correspondence with the connecting means 8 linked to the driving means 7.

In the connecting means 8, the pressure receiving body 45 provided at the inner end portion of the rotating shaft 35 in the positioned grindstone body 6 and the pressing body 46 provided at the outer end portion of the output shaft 37 in the driving means 7 are provided. The output shaft 37 is extended by the operation of the operating member 48, so that the output shaft 37 is pressed against the rotating shaft 35 against the force of the ammunition 44 and abuts against the pressure receiving body 4.
5 and the pressing body 46 are joined by frictional contact.

Then, the rotating means 50, for example, the arm 51 of the fluid cylinder 52 is operated to operate the outer frame 41 of the drive means 7.
When is rotated, the grindstone body 6 starts to rotate in a state of being connected to the drive means 7, so that the whole grindstone head 5 is swung to a position where the whetstone w surface is parallel to the plane of the stone material b.

Further, the moving body 2, the holding body 3, and the supporting body 4
Is moved so that the grindstone body 6 corresponds to a predetermined position with respect to the stone b surface, and then the drive means 7 of the grindstone body 6 is operated,
By the movement of the moving body 2, the holding body 3 and the support body 4, the grindstone body 6 has a grinding / polishing pattern inputted to the control means 32 in advance, such as vertical, horizontal and diagonal zigzag movement of the grindstone w and spiral movement. The flat surface of the stone b is polished by the processing operation.

Similarly, even in the case of the side surface of the stone b (see FIG. 5b), the chamfering in the lateral direction (see FIG. 5c), and the chamfering in the vertical direction (see FIG. 5d), the grindstone body 6 suitable for processing is described above. The selection is performed by operating the selecting means 29 and the connecting means 8, and the grinding stone head 5 is made to correspond to the processing surface of the stone b.

[0043]

According to the present invention configured as described above, by rotating the grindstone head at an arbitrary angle with respect to the stone surface,
Since it is possible to change the processing position of the grindstone attached to this grindstone head, by appropriately setting this corresponding angle, not only the flat surface of the stone material but also the side surface of the stone material and the chamfering processing in the horizontal and vertical directions can be performed. Various processes can be combined and used by one machine.

Further, since the circumferential direction of the grindstone head to which a large number of grindstone bodies are attached is supported orthogonally to the stone material, the structure is compact and installation in a factory or the like in a small space is possible. To be And so on.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a stone material grinding / polishing apparatus according to the present invention.

FIG. 2 is a vertical cross-sectional rear view of a main part in FIG.

FIG. 3 is a plan view of a main part in FIG.

FIG. 4 is a plan view in which the vicinity of the grindstone head in FIG. 1 is enlarged and a part thereof is broken away.

FIG. 5 is an explanatory diagram showing each example of a processing pattern in FIG.

FIG. 6 is a front view of the main part showing the operating state of the connecting means in FIG.

7 is a vertical cross-sectional rear view of a main part showing another example of the switching means in FIG.

FIG. 8 is a front view showing an outline of a conventional stone polishing machine.

[Explanation of symbols]

 b Stone 1 Machine stand 2 Moving body 3 Holding body 4 Support body 5 Grinding stone head 6 Grinding stone body 7 Driving means 8 Connecting means 9 Switching means 10, 11 Horizontal guide 12 First operating means 16 Vertical guide 17 Second operating means 22 Horizontal Guide 23 Third operating means 29 Selection means 35 Rotating shaft 37 Output shaft 40 Outer frame 41 Rotating shaft 50 Rotating means

Claims (3)

[Claims] 1. A machine base, a movable body which is moved by a first operation means along a horizontal guide provided on the machine base, and a holding body which is moved by a second operation means along a vertical guide provided on the movable body. Body, a support body which is moved by a third operating means along a lateral guide provided on the holding body, a grindstone head which is attached to the support body and is rotatable by the selecting means, and a plurality of sets are radially arranged on the grindstone head. The attached grindstone body, the driving means provided on the support body to rotate the one grindstone body of the grindstone head through the connecting means, and the grindstone body coupled to the driving means by the connecting means for processing the stone material. Stone material
Polishing equipment. 2. The connecting means is provided at an inner end portion of a rotary shaft of the grindstone body, and is provided at a pressure receiving body which is constantly urged inward by a bullet and an outer end portion of an output shaft of the driving means. 2. The stone grinding / polishing device according to claim 1, further comprising a body and an actuating member that is connected to the output shaft to contact and separate the pressure receiving body and the pressing body. 3. The switching means comprises a rotating shaft mounted on the outer frame of the driving means and supported by the support body, and a rotating means linked to the rotating shaft. Item 1. A stone grinding / polishing device according to item 1.