JP2019107753A - Processor - Google Patents

Abstract

To provide a processor which can realize high accurate processing of a processing object surface.SOLUTION: A turntable 4 which is fitted to a lower part of a strut B, and is fitted in a center circle of a hollow doughnut-like work-piece at a working time. A shaft-like tool 3 of which a tip fitted to the strut B is located toward a processing object surface of the work-piece, and is rotationally driven by a drive part. A movement mechanism comprises: a turntable side guide which comprises a spiral rail which is provided on the turntable 4; and a stationery part side guide comprising four clamps which are provided on a stationery part, and respectively a clamping tooth which is engaged with the turntable side guide. The stationery part (clamping claw) 5 is provided around the turntable 4, can be fixed to the work-piece in such a manner that the stationery part is pressed on a center circle inner surface of the work-piece, and is telescopically movable by the movement mechanism. The stationery part is guided by the turntable side guide and the stationery part side guide, and holds a same distance from a center to the stationery part and is simultaneously moved in association with movement of the clamp.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a processing machine used for processing a flange portion provided at an end of piping such as a turbine, a boiler, a reactor or the like introduced to a power plant or a chemical plant.

In the piping of turbines, boilers, reactors, etc. introduced into power plants and chemical plants, flanges are provided at their ends. Bolt holes may be formed in the flange portion.
The bolt holes are formed so as to penetrate from the sheet surface of the flange portion to the opposite surface or not to penetrate the sheet surface or the opposite surface. Then, the seat surface of one flange portion abuts on the seat surface of the other flange portion, and a bolt is inserted through a bolt hole formed penetrating from the seat surface of the flange portion to the opposite surface to bolt two flange portions The pipes are connected by fastening the nuts. Moreover, attaching various components, such as a bolt, to a bolt hole formed so as not to penetrate is also performed.

In the flange section of the end of piping such as turbines, boilers, reactors, etc. introduced to the power plant or chemical plant, in order to securely fasten the piping to each other and to suppress the rattling of the fastened piping, the sheet surface High accuracy is required for the smoothness of the surface and the position of the bolt hole.
The "cutting and processing-only machine" described in Patent Document 1 is one in which "the mounting base 1 is placed on the mounting seat surface 2a of the casing main body 2 and fixed using a stud 3" (Patent Document 1) Page 6, line 7 to line 9, see FIGS. 1 and 2).
However, in the “cutting and processing-only machine” described in Patent Document 1, the tip of the “tool 19” deviates from the “axis line AX”, so it is not suitable for highly accurate processing of the processing target surface (Patent Document 1) See page 3 line 5 to line 11, page 4 line 5 to page 7 line 5, FIG. 1).
Therefore, the inventor previously proposed the invention described in Patent Document 2 in order to provide a processing machine that achieves high-precision processing of the processing target surface while suppressing vibration of the tool.

The invention described in Patent Document 2 is
“Axle-shaped tool arranged with the tip facing the processing target surface,
A driving unit that rotationally drives the axial tool about its axis;
Operation unit,
A slide moving unit which slides the axial tool along its axis according to an external force from the operation unit;
A holding unit that holds the slide moving unit at a fixed point on the axis of the axial tool;
Processing machine equipped with (Patent Document 2 [claim 1]).

Or
"The slide moving part has a pantograph type jack having two bending arms, two connecting parts connecting each end of the two bending arms, and a screw rod connecting the two bending arms. Including
One of the connecting portions is held at the fixing point by the holding portion,
The axial tool extends from the other of the couplings,
The processing unit is provided at an end of the screw rod. (Patent Document 2 [claim 2]).

Or
"The surface to be machined is oriented horizontally,
The holding portion includes a base placed on the surface to be processed, and an extending portion extending from the base in a direction away from the surface to be processed to form the fixing point.
A processing machine in which an air vent is formed in the base. (Patent Document 2 [Claim 3]),
It consists of

  The invention described in Patent Document 2 includes the holding portion and “when forming a bolt hole in the metal disk 201 using the processing machine 101, the operator uses four rollers 108 to form the side surface of the metal disk 201. The first base plate 106 and the base elongated member 107 are placed on the processing target surface 201 a of the metal disk 201 so as to sandwich the metal plate 201 (Patent Document 2 [0029]).

Japanese Utility Model Publication No. 61-205710 JP, 2011-189475, A

The invention described in Patent Document 2 is to work by attaching "processing machine 101" externally to work "metal disc 201" and working within the center circle of the work having hollow donut shape. It does not attach and work.
The invention described in Patent Document 1 is to fix the "implantation bolt" to the "mounting hole 25" and fix the "mounting base 1" to the "casing main body 2". It is essential to have a “built-in bolt”.

  An object of the present invention is to provide a processing machine which works by attaching a processing machine in the center circle of a hollow donut-shaped work and suppressing the vibration of the tool to realize high-precision processing of the processing target surface. .

The processing machine of the present invention is
The support section,
A rotary disc attached to the lower part of the column and attached within the center circle of a hollow donut-shaped work during operation;
An axial tool arranged with the tip attached to the support portion facing the processing target surface of the workpiece;
A driving unit that rotationally drives the axial tool about its axis;
A fixing portion provided around the rotating disk, which can be fixed to the workpiece by pressing against the inner surface of the center circle of the workpiece, and which can be expanded and contracted by the moving mechanism;
Equipped with

The processing machine of the present invention is further
The moving mechanism has a turntable side guide and a fixed portion side guide,
Provide a turntable side guide on the turntable,
Provide a fixed part side guide that engages with the turntable side guide on the fixed part,
The fixed part is guided and moved by the turntable side guide and the fixed part side guide.

The processing machine of the present invention is further
The turntable side guide consists of spiral rails,
The fixed part side guide consists of a clamp with clamping teeth engaged with a spiral rail.

The processing machine of the present invention is further
The clamps consist of a plurality of clamps, which are engaged with the rotary disc side guides, respectively.
Along with the movement of the clamp, the distance from the center to the fixed part is kept the same with the plurality of fixed parts and simultaneously moved.

The processing machine of the present invention is further
The clamp is engaged with the rotary table side guide which consists of 4 pieces of spiral rails, and with the movement of the clamp, keep the same distance from the center to the fixed part and move simultaneously.

The processing machine of the present invention is further
The rotary disk is rotated with the main shaft as a rotation center, and fixed by pressing the main shaft.

According to the present invention, the processing machine can be mounted and operated within the center circle of the hollow donut-shaped work without mounting the “implantation bolt” in the “mounting hole 25”.
Alternatively, when the clamps are four in number, they each consist of a spiral rail and engage with the rotary disk side guide, and keep the same distance from the center and move simultaneously with the movement of each clamp.

It is a front view of a processing machine. It is a perspective view of a processing machine. It is a partially expanded perspective view of a processing machine. It is ZZ sectional drawing of FIG. 1 of a processing machine. It is MM sectional drawing in FIG. 1 of the rotary disk which is a scroll chuck type clamp structure of a processing machine. It is a perspective view of a clamp. It is a perspective view of a fall core adjustment block. It is a center section perspective view of a fall core adjustment block. It is a perspective view of a turntable, Comprising: It is a perspective view of the jack bolt for front-back position adjustment. It is a perspective view of a turntable, Comprising: It is a perspective view of the jack bolt for lateral position adjustment. It is a perspective view of a turntable, Comprising: It is a perspective view of the jack bolt for lateral position adjustment. It is a perspective view of a turntable, Comprising: It is a perspective view of a turntable operation part. It is a perspective view of a turntable, Comprising: It is a perspective view of the turntable operation part of a turntable removal state. It is a perspective view of a rotating disk, Comprising: It is a perspective view of the main axis | shaft clamp of a rotating disk removed state. It is a perspective view of a rotating disk, Comprising: It is NN sectional drawing in FIG. 1 of a spindle clamp. It is a perspective view of a vertical feed mechanism. It is a perspective view of a vertical feed mechanism. It is a partially expanded sectional perspective view of a vertical feed mechanism. It is a partially expanded sectional perspective view of a vertical feed mechanism. It is a partially expanded perspective view of a gearbox. It is a perspective view of use condition of a processing machine.

One embodiment will be described based on FIGS. 1 to 21. FIG. In this embodiment, a bolt hole is formed by cutting a metal disk serving as a flange portion provided at an end of a pipe, such as a turbine, a boiler, or a reactor, introduced to a power plant or a chemical plant. Application to a processing machine to
A shown in FIG. 1 is a processing machine according to the present invention. Reference numeral 22 illustrated in FIGS. 20 and 21 is a work. The work 22 is a hollow disk-like metal doughnut-shaped metal disk, and the surface is a processing target surface. The work 22 is a large valve (MSV) or the like in the power plant turbine room.
The processing machine A includes a column B, a drill bit 3 as an axial tool, a vertical feed manual handle 1 and a vertical feed air motor 7 as a drive part of the drill bit 3, a vertical feed mechanism H, and a moving mechanism of a fixed part. J, has a turntable 4.

B illustrated in FIGS. 1, 2, 3, and 21 is a support in the processing machine A. The support portion B has a frame shape. The support portion B is formed of, for example, duralumin in a rigid metal material.
The processing machine A is placed on one plane (surface to be processed) of a work 22 consisting of a metal disk made of a hollow donut shape directed horizontally, and cutting is performed on this plane.

4 is a turntable. The turntable 4 has a cylindrical shape as a whole, and is attached to the lower part of the support B. The rotating disk 4 is mounted in the hollow of the work 22.
101 is a main shaft. The main shaft 101 is a rotation shaft of the rotating disk 4.
As shown in FIGS. 13, 14, and 15, a main spindle outer peripheral portion 102 having a disk shape, a cylindrical shape, or a cylindrical shape is provided around the main spindle 101.
The spindle 101 and the spindle outer peripheral portion 102 rotate together, but the outer periphery of the disk portion 4 is attached without being fixed to the spindle 101 and the spindle outer peripheral portion 102 so as not to rotate with the rotation of the spindle 101.

5 is a fixed part. The fixing portion 5 is a clamp claw. The fixing portion 5 is generally in the form of a rectangular parallelepiped as a whole, and constitutes a claw which is a part of the scroll chuck type clamp structure.
The fixing portions 5 are provided on the outer periphery of the rotary disc 4 so as to protrude outward at four equal intervals.
The fixing unit 5 centers the main shaft 101. The number of the fixing portions 5 is not limited to four, as long as they can be pressed in a well-balanced manner.

Reference numeral 51 shown in FIG. 6 denotes a fixed part side guide. The fixed part side guide 51 consists of a clamp. Reference numeral 53 denotes a fixing portion fixing groove. The fixing portion fixing groove 53 is provided in a hole shape in the longitudinal direction of the inside of the fixing portion side guide 51. A screw is cut on the inner periphery of the fixing portion fixing groove 53.
Reference numeral 54 shown in FIG. 7 denotes a clamp fixing portion. The clamp fixing portion 54 is formed in a cylindrical shape, and protrudes to the rear of the fixing portion 5. A screw is provided around the clamp fixing portion 54.
The screw provided on the inner periphery of the fixing portion fixing groove 53 and the screw provided on the outer periphery of the clamp fixing portion 54 are fitted to fix the fixing portion 5 and the fixing portion side guide 51.

The moving mechanism J of the fixed part 5 is composed of a rotary table side guide 41 and a fixed part side guide 51.
42 is a disk. The disc 42 is horizontally installed at the center of the center cross section of the inside of the rotary disc 4.
The turntable side guide 41 is formed of a spiral rail. The rotary disk side guide 41 is provided on a disk 42 installed horizontally at the center cross section center of the inner surface of the rotary disk 4 as shown in FIG. 5 or spirals horizontally to the disk 42 provided inside the rotary disk 4. Unscrew.
Reference numeral 9 illustrated in FIGS. 2 and 9 is a clamp claw operation unit. The clamp claw operating portion 9 has a pinion inside the rotary disc 4. The tip of the clamp claw operating portion 9 is incorporated such that the feed screw is engaged with the rotation shaft of the disk 42 having the rotary table side guide 41 formed of a spiral rail.
A hexagonal hole 91 is provided on the surface of the clamp claw operating portion 9.

Reference numeral 51 illustrated in FIGS. 5 and 6 denotes a fixing portion side guide. The fixed part side guide 51 consists of a clamp. The fixed unit side guide 51 constitutes a moving mechanism J of the fixed unit 5.
The fixing portion 5 is fixed to the surface of the fixing portion side guide 51. The surface of the fixing portion 5 is composed of a clamp claw. 52 is a clamp tooth.
As shown in FIG. 5, when extending and retracting the fixing portion 5, the feed screw is rotated by turning a hexagonal hole 91 provided on the surface of the clamp claw operation portion 9 shown in FIG. The clamp claw operation unit 9 is pushed and pulled. Then, as shown by an arrow in FIG. 5, the disk 42 with the rotary table side guide 41 as a spiral rail meshing with the tooth as a feed screw is rotated about the main shaft 101 as a rotation center.

By rotation around the main shaft 101, the fixed part side guide 51 composed of a clamp moves in the radial direction of the rotary disc 4 along the rotary disc side guide 41 formed on the rotary disc 4. Then, the fixed portion 5 moves in the radial direction of the rotary disk 4 with the movement of the fixed portion side guide 51.
The rotary table 4 is provided with four fixed parts 5, but a fixed part side guide 51 consisting of four clamps with clamp teeth 52 meshed with it keeps the same distance from the center and moves simultaneously , Both extend and contract. By operating the clamp claw operation part 9, the claws of the fixed part 5 which is a clamp claw slide in the radial direction, and the fixed part 5 expands and contracts. When the fixed part 5 is contracted, it moves in the direction of the arrow L which is the direction of the main axis 101 as shown in FIGS.

The holding portion 5 is stretched on the inner surface of the work 22 donut shape to perform chucking operation on the work 22 to be attached to the rotary disc 4, and the processing machine A is fixed in the work 22 hollow.
The fixing portion 5 protruding outward from the outer periphery of the roller 4 is expandable and contractible so as to be fixable to the work 22 by pressing the inner surface of the work 22 to be installed. Chucking is completed by clamping and fixing in the work 22.
Thereby, centering of the work 22 and the processing machine A can be easily performed.
The operating principle of this moving mechanism J is the same as the operating mechanism of the 3-prong scroll chuck of the lathe.

The spindle clamp G illustrated in FIGS. 14 and 15 includes a spindle clamp operating unit 10, an adjustment block 12, and a spindle outer peripheral portion 102 attached with a worm wheel 182 meshing with the worm gear 181.
103 is a spindle clamp jig. The main spindle clamp jig 103 is a jig for causing the rotary disc 4 to stop its rotation.
A main spindle clamp jig 103 and a worm wheel 182 are vertically mounted on the outer circumference of the main spindle outer peripheral portion 102.

As shown in FIG. 15, the main spindle clamp jig 103 is composed of two parts having a semicircular shape or a circular arc shape, and both are combined to form a circular shape, and the main spindle outer peripheral portion 102 along the outer periphery of the main spindle outer peripheral portion 102. Install around the At one end of the two parts of the spindle clamp jig 103, a rotary disc attachment portion 104 is provided and attached to the rotary disc 4.
105 is adjustment block attachment part adjustment. The block attachment portion 105 is provided in a convex shape at the other two ends of the two portions of the spindle clamp jig 103 and is fitted into the recess 121 of the adjustment block 12 as shown in FIG.

Reference numeral 10 illustrated in FIG. 2, FIG. 9, FIG. 12, and FIG. A hexagonal hole is provided on the surface of the spindle clamp operating unit 10.
The hexagonal hole provided on the surface of the spindle clamp operating unit 10 shown in FIG. 14 is turned with a wrench or the like, loosened at the time of operation of the rotary platen operating unit 18, and tightened and fixed when the position is determined. Then, by operating the operation unit 10 of the shaft whose tip is a screw, as shown in FIG. 15, the adjustment block 12 moves back and forth.
The block attaching portion 105 is provided in a convex shape at the other two ends of the two parts of the spindle clamp jig 103 and is fitted into the recess 121 of the adjustment block 12. The main spindle clamp jig 103 exerts a force toward the center, the adjustment block 12 clamps the main spindle clamp jig G, and the main spindle clamp jig 103 is pressed to the main spindle outer peripheral portion 102 to fix the main spindle 101.
As a result, after the rotary disk 4 is adjusted at an arbitrary angle by the rotary disk operation unit 18, the rotary disk 4 is fixed.

H illustrated in FIGS. 16 and 17 is a longitudinal feed mechanism. The longitudinal feed mechanism H has an operation unit K having two longitudinal feed means of selectable longitudinal feed manual handle 1 and longitudinal feed air motor 7.
Reference numeral 1 illustrated in FIGS. 1, 2, 16 and 17 denotes a vertical feed manual handle constituting the operation unit K. 2 is a gearbox. The vertical feed manual handle 1 moves the gearbox 2 up and down.
The nut 131 moves up and down by operating the feed handle 1 of the shaft, which is a longitudinal feed screw 13 whose tip is a screw. When the gearbox 2 connected to the nut 131 moves up and down, machining can be performed by the processing machine 11.

6 is a hydraulic motor for drill rotation. The drill rotation hydraulic motor 6 is attached to the center of the column portion B.
The gearbox 2 converts the power from the drill rotation hydraulic motor 6 into high torque.
In FIG. 20, 25 is a bearing. The bearing 25 incorporates the bearing 25 having a hole of substantially the same diameter as the axis of the shaft-like tool 3 in the processing machine A in order to improve the rigidity. The axial tool 3 is supported by the bearing 25.
The bearing 25 is protruded outward from the support portion B, and a through hole 251 is provided at the center. In the middle of the drive shaft of the shaft-like tool 3, the through hole 251 is passed.
The axial tool 3 which is a drill is attached to the work 22 side of the gearbox 2 which is the lower part of the gearbox 2.

7 is an air motor for vertical feed. The longitudinal feed air motor 7 constitutes one means of the longitudinal feed mechanism H. The longitudinal feed air motor 7 moves the gearbox 2 up and down.
If you want to move the gearbox 2 up and down faster than operating the vertical feed manual handle 1 which is the feed handle, switch to the vertical feed manual handle 1 which is the operation unit K and use the vertical feed air motor 7 which is the operation unit K Do.
Reference numeral 8 shown in FIGS. 1, 2, 18 and 19 denotes a vertical feed air motor connection / separation switching lever.
The vertical feed air motor 7 and vertical feed manual handle 1 are connected / disconnected to move the gearbox 2 up and down.

Reference numeral 11 illustrated in FIG. 2 and FIG. 17 denotes a longitudinally feeding hardness adjustment block. The vertical feed hardness adjustment block 11 constitutes a vertical feed mechanism H.
12 is an adjustment block. The adjustment block 12 is a block for adjusting to transmit the power from the two vertical feed screws 13 to the gearbox with an equal force.
13 is a screw for vertical feed.
Denoted at 14 in FIG. 2 is a manual handle connection / separation switching knob. Connection / separation switching between the vertical feed air motor 7 and the vertical feed manual handle 1 is performed.

Reference numeral 15 shown in FIGS. 7 and 8 is a falling center adjustment operation unit. The falling center adjustment operation unit 15 is an operation unit for performing the falling center adjustment.
The fall center adjustment operation unit 15 is composed of a shaft 151, and the tip thereof is a screw 152. The operation unit 15 is provided on the upper portion of the fixing unit 5. The nut 153 moves up and down by operating the fall center adjustment operation unit 15. Reference numeral 154 denotes a falling center adjustment block.
By moving the falling center adjustment block 154 connected to the nut 153 up and down, the falling center of the processing machine A can be adjusted.
When fine adjustment of the core is necessary, the falling core adjusting operation unit 15 enters and leaves the falling core adjusting block 154 illustrated in FIG. 8 independently of the scroll chuck type clamp structure to perform fine adjustment of the core.

164 shown in FIG. 9 is a plate. The plate 164 has a substantially disk shape, and is mounted on the rotary disc 4 except for the non-installation point 166.
The fixed surface of the column portion B is smaller than that of the turntable top plate 164. The fixed surface of the column B is offset from the center of the turntable top plate 164 and biased to attach the column B on the plate 164. E shown in FIG. 9 is a jack bolt for adjusting the longitudinal position.
Reference numeral 16 denotes an operation portion of the front and rear position adjustment jack bolt E. The operation unit 16 is installed at a non-installation point 166 of the plate 164 on the rotating disk 4. A guide 165 is installed horizontally from the operation unit 16 in the center of the plate. The plate is fitted and slidable in the guide 165.

A shaft 161 is attached to the operation unit 16, and a tip of the operation unit 16 is a screw 162. The nut 163 is moved back and forth by operating the operation unit 16.
The plate 164 connected to the nut 163 moves back and forth along the guide 165 to adjust the cores of the processing machine A.
Reference numeral 17 shown in FIGS. 10 and 11 is a jackscrew for lateral position adjustment.
A shaft is attached to the jack bolt 17, and its tip is a screw. By turning and operating the jack bolt 17, the plate 164 connected to the screw is pushed out and reciprocated to adjust the core for processing machine A lateral position adjustment.

Reference numeral 18 illustrated in FIGS. 12, 13 and 14 is a rotating disk operation unit.
The distal end of the worm gear 181 is attached to the operation unit 18. A worm wheel 182 is attached around the main spindle outer peripheral portion 102 in a disk shape or a cylindrical shape around the main spindle 101. The worm gear 181 and the worm wheel 182 mesh with each other.
By operating the operation unit 18 at the end of the worm gear 181, the main spindle outer peripheral portion 102 attached with the worm wheel 182 meshing with the worm gear 181 is rotated.
By rotating the turntable control unit 18, the spindle outer peripheral portion 102 mounted on the turntable 4 rotates 360 degrees around the spindle 101 of the turntable 4 as a central axis.
By using the angle memory 183, it is possible to rotate at an accurate angle. Therefore, machining with the processing machine A becomes possible at an accurate angle.

Reference numeral 19 illustrated in FIG. 3 is a longitudinal feed measuring device.
The vertical feed measuring device 19 measures the upper and lower positions in units of 5 / 10,000 mm.
Reference numeral 20 illustrated in FIG. 4 is a fixing portion. 201 is a guide. The fixing portion 20 loosens the guide 201 at the time of slide lateral direction adjustment, and tightens and fixes it when the position is determined. The guide 201 slides.
Reference numeral 21 illustrated in FIG. 4 is a fixing portion. 211 is a guide. The fixing portion 21 loosens the guide 211 at the time of slide lateral direction adjustment, and tightens and fixes it when the position is determined.

23 is a clamp claw. Four clamp claws 23 are provided adjacently on the circumference of the clamp claw 5 and the clamp claw 5.
The clamping claws 5 are for clamping in earnest after centering.
The clamp claws 23 are in a relationship between male and female screws, and by turning, the clamps 23 move in and out to fix the work and the machine.

Reference numeral 24 denotes a lifting locking portion. The lifting locking portion 24 is a component for lifting the processing machine A.
The lifting locking portion 24 covers the upper periphery of the mounting base of the longitudinal feed air motor 7 in the form of a hook at four corners.
Since the machine is placed sideways during installation with the machine installed, it also serves as a fall prevention function.

  The axial tool 3 consisting of a drill is an axial tool having sufficient strength to cut the work 22 and form a bolt hole in the metal disc. The axial tool 3 is attached to the lower surface of the gear box 2 and extends downward, and its tip is directed to the surface of the workpiece 22 to be processed.

When forming a bolt hole in the work 22 using the processing machine A configured in this way, the operator places it on the processing target surface of the work 22.
The axial tool 3 is driven, and the axial tool 3 is rotationally driven. In this state, when the tip of the axial tool 3 comes into contact with the surface to be processed of the workpiece 22 by the movement of the vertical feed mechanism H, the axial tool 3 starts cutting. The operator moves the vertical feed mechanism H by a distance according to the depth of the bolt hole to be formed in the work 22, and forms a bolt hole in the work 22 or forms a bolt hole in the work 22. . At this time, the axial tool 3 receives a reaction force from the processing target surface.

  In the above description, although an application example to a processing machine for cutting a metal disk to form a bolt hole is shown, the present invention is not limited to a processing machine using a drill blade, It can be applied to various processing machines. For example, instead of the drill bit 3, a cutting tool such as an end mill, a reamer, or a tap may be used. Further, the present invention may be applied to a processing machine in which not only bolt holes but also holes used for other applications are formed in a metal disk.

A Processing machine B Support section H Vertical feed mechanism J Moving mechanism 1 Manual handle (drive section)
3 Axis shaped tool 4 Turntable 5 Fixing part (claw for clamp)
7 Vertical feed air motor (drive unit)
22 Workpiece 41 Turntable side guide 51 Fixed part side guide

Claims (6)

The support section,
A rotary disc attached to the lower part of the column and attached within the center circle of a hollow donut-shaped work during operation;
An axial tool arranged with the tip attached to the support portion facing the processing target surface of the workpiece;
A driving unit that rotationally drives the axial tool about its axis;
A fixing portion provided around the rotating disk, which can be fixed to the workpiece by pressing against the inner surface of the center circle of the workpiece, and which can be expanded and contracted by the moving mechanism;
Processing machine equipped with The moving mechanism has a turntable side guide and a fixed portion side guide,
Provide a turntable side guide on the turntable,
Provide a fixed part side guide that engages with the turntable side guide on the fixed part,
The fixed part is guided and moved by the turntable side guide and the fixed part side guide,
The processing machine according to claim 1. The turntable side guide consists of spiral rails,
The fixed part side guide consists of a clamp with a clamping tooth that engages with a spiral rail,
The processing machine according to any one of claims 1 or 2. The clamps consist of a plurality of clamps, which are engaged with the rotary disc side guides, respectively.
With the movement of the clamp, the distance from the center to the fixed part is kept the same with the multiple fixed parts and moves simultaneously
The processing machine according to any one of claims 1 or 2 or 3. The clamp is engaged with the rotary table side guide consisting of 4 rails, each consisting of spiral rails.
With the movement of the clamp, keep the same distance from the center to the fixed part and move at the same time,
The processing machine according to any one of claims 1 or 2 or claim 3 or claim 4. The rotating disk is rotated with the main shaft as a rotation center, and is fixed by pressing the main shaft.
The processing machine according to any one of claims 1 or 2 or claim 3 or claim 4 or claim 5.

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