JP2749573B2 - Turning machine with automatic tool change - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a turning machine, and more particularly to a turning machine.
It concerns automatic exchange. 2. Description of the Related Art In a turning machine, a workpiece is rotated around one axis.
It is processed. Therefore, turning machines
Supported by the frame and its frame, holding and rotating the workpiece
Spindle and the direction parallel to the axis of the spindle supporting the tool post
And a slide that moves in a direction that intersects its spindle axis.
And a cutting tool attached to the tool post
The workpiece is cut by a tool (hereinafter simply called a tool)
You. In such a turning machine, one kind of work
Usually, multiple types of cutting are performed and multiple tools
Turret or comb-shaped turret is used to hold
Have been. Turn the turret around a single axis on the slide
It is rotatably mounted, and multiple tools have a fixed angle
Can be installed at regular intervals and rotated by a fixed angle.
With this, necessary tools are sequentially provided for processing
I have. In the case of a comb-shaped tool post, a plurality of tool posts are arranged on the base.
The slide is moved to the base
The specified tool is processed by moving the
It is to be offered to. However, these turrets and comb-shaped turrets do not
Each has advantages and disadvantages. In the turret,
It is possible to change tools automatically when tools become worn.
The tool can be changed quickly. Only
And the tool used for machining is
When changing tools, split the tool by rotating the turret.
It takes time to take out, so it takes time to improve processing efficiency.
There is an interfering problem. On the other hand, a comb-shaped turret is used as a turret for changing tools.
It takes less time and is suitable for improving processing efficiency.
However, the replacement of tools is performed by
Inefficiencies and problems that hinder automation of machining lines
is there. On the other hand, each of the turret and the comb-shaped tool post
Turning machines with these advantages have been proposed. slide
In addition to providing a turret on top,
Attach a comb-shaped tool post, one of which is used for processing.
If the tool is worn, rotate the turret and
Is replaced with the comb-shaped tool post. Problems to be Solved by the Invention In this way, the time required for changing tools is reduced.
Tool change quickly and automatically.
But multiple comb-tooth turrets can be placed
As a result, the weight of the slide increases and the load increases.
If high-speed and accurate movement is hindered and machining accuracy decreases,
In both cases, there was a problem that the life of the slide was shortened. Means for Solving the Problems To solve this problem, a turning machine according to the present invention
Is the frame and the work supported by the frame
The main shaft that rotates while holding the
Equipped with a number of turret holders, and each turret holder can be mounted
Comb composed of a plurality of tool rests arranged on a base
While holding one toothed tool post at a time,
Each of the holding parts is mounted on the tool post mounting surface of the tool post holding part.
Alternately located at the tool post supply position parallel to the axis of the spindle
The tool post holding device to be determined and the blade of the tool post holding device
The tool of the tool post holding part positioned at the tool post supply position
On the turret mounting surface located on the same plane as the turret mounting surface
Equipped with one tool post holder that holds one comb tooth tool post,
Slurry that moves in a direction parallel to and perpendicular to the axis of the spindle
And the teeth between the slide and the tool post holder
And a transfer device for automatically transferring the tool post
And the base of the comb-shaped tool post is
The transverse dimension, which is the
The horizontal dimension is larger than the vertical dimension of the object
The slide has a turret mounting surface and
Tool post holder in tool post supply position of tool post holder
The turret mounting surface of each comb tooth-shaped turret
A figure that is parallel to the axis of the spindle and whose horizontal direction is perpendicular to the axis of the spindle
The transfer device moves the comb-shaped tool post
Transfer by moving the comb-shaped tool post in the vertical direction
It is said. It is desirable to use a turret as the tool post holding device
However, not only turrets, but also multiple
Anything can be obtained. In one desirable mode of the present invention, the transfer device
But holding the comb-shaped tool rest parallel to the axis of the spindle
The tool post holding device to feed the tool post.
Of the tool post holder corresponding to the tool post holder in the position
Transfer position and a slide corresponding to the tool post holder of the slide.
Carrier that transports the comb-shaped tool post between the transfer position
And a tool rest holding part of the slide and a comb tooth
The tool post extends parallel to the transverse direction of the comb tool post and
To the tool post holder of the comb-shaped tool post.
Each of the engaging projection and the engaging groove
With the carriage at the slide-side delivery position
Slides in the direction perpendicular to the axis of the main shaft
This allows the tool post holder of the slide of the comb-shaped tool post to
The attachment / detachment is performed. In another desirable mode of the present invention, the tool post holding
The holding device has a plurality of tool post holders on the outer periphery and
A turret that rotates around a horizontal axis parallel to the axis
The tool rest holding part of the slide and the blade
With the tool post holder in the tool post supply position of the tool post holder
The same plane where both turret mounting surfaces are located is a vertical plane
And the transfer device is located above both of the tool post mounting surfaces.
It is arranged in the direction space. In the turning machine according to the present invention, the slide is a tool post.
One holding part is provided, and the one tool post holding part
Hold one tooth-shaped tool post, and use the comb-shaped tool post as the spindle
By moving it in a direction parallel to the line and in a direction
The tool held by the tool post on the comb-shaped tool post.
Give the necessary exercise to the mechanic. In addition, the comb-shaped tool post is horizontal
Of the tools used for machining
Replacement is performed. If the tool is worn,
The tool post is returned to the tool post holding device by the transfer device
And a new comb-shaped blade held by the tool post holder
A stage is supplied to the slide. Also, the tool post mounting surface of the slide and the tool post holding device
The tool post mounting surface at the tool post supply position is aligned with the spindle axis.
The transfer device is a comb-shaped knife because it is located on one parallel plane
The transfer is performed by moving the table in parallel on one plane. In addition, the base of the comb-shaped tool post has a horizontally long shape,
The device moves the comb-shaped tool post in the vertical direction and transfers
Movement of the comb-shaped tool post required for transfer
The distance is short. As described above, in the turning machine according to the present invention, the sliding machine
Has one comb-shaped tool post, which increases weight.
Avoidance, high-speed and accurate movement is possible, machining accuracy
And without compromising slide life.
Fast tool change is performed. And if the tool is worn
Is automatically changed with the comb-teeth tool post.
The benefits of improved machining and automation of processing lines
Can be. In addition, the comb teeth left in the tool post holding device
Replacing the tool post with a different type of comb tool post,
Replacement of worn tools can be performed and continuous on slides
To supply a comb-tooth type tool post and the type of workpiece
The time required for the tool post replacement due to the change of the length can be reduced. In addition, the transfer device translates the comb-shaped tool post on one plane.
Turning is a simple structure that moves and transfers
The machine can be manufactured at low cost, and the transfer device
Move the toothed turret in the vertical direction, where its dimension is smaller
Since the transfer is performed with the
The moving distance of the tool post can be shortened, and the transfer device can be downsized accordingly.
Turning machine can be downsized
You. The effect is that the comb-shaped tool post has many tool post,
This is particularly noticeable when the lateral dimension is large.
You. Moving the comb-shaped tool post with a large lateral dimension in the lateral direction
When performing transfer with the comb-shaped tool post,
The moving distance becomes particularly large and the transfer equipment becomes large
It is. Further, the transfer device holds the comb-shaped tool post and holds the shaft of the main shaft.
Transfer position and slide in the tool post holding device side in the direction parallel to the line
This is the carriage that transports to and from the side delivery position.
The tool post holder and the comb tool post are
An engagement protrusion and an engagement groove extending in a lateral direction (a longitudinal direction);
In a desirable mode of positioning by fitting of
The tool post holding part of the slide and the comb-shaped tool post
Position is determined by the engagement between the part and the engaging groove
Make the positioning accuracy and mounting rigidity of the tool post sufficiently high
be able to. In addition, the engagement between the engagement protrusions and the engagement grooves
Since the disengagement and disengagement are achieved by moving the slide,
An increase in installation cost can be avoided. That is,
The projecting part and the engaging groove extending in the longitudinal direction of the comb-shaped tool post
In this case, the transfer device moves the comb-shaped tool post to
It is convenient to be able to fit the mating part and the engaging groove.
However, in this case, the engagement protrusion and the engagement groove are short.
The positioning accuracy and mounting rigidity of the comb-shaped tool post.
Sex cannot be made high enough. Also, the engagement protrusion
Assuming that the engagement groove extends in the lateral direction of the comb-shaped tool post,
In both cases, the transfer device must be a comb-tooth type tool post that is parallel to the spindle axis.
It can be moved not only in the direction but also in the direction at right angles.
However, in this case, the structure of the transfer device is complicated.
Become. In a desirable embodiment of the present invention, these disadvantages
It is possible to avoid the union together. Further, the tool post holding device has a turret.
The tool post mounting surface of the slide and the tool post of the tool post holding device
The tool post mounting surface at the supply position is vertical and the transfer device is
Desirable condition to be arranged in the space above the mounting surface of these turrets
The transfer device above the slide and turret
The turning according to the present invention, which can be installed using space
The floor area required for installing the machine can be reduced.
In particular, the transfer device is a comb-shaped blade having a horizontally long base.
If the table is to be transferred vertically, a small transfer
The device is installed using the space above the slide and turret
And the required floor area of the turning machine is smaller.
I can do it. Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
You. 1 and 2 show a turning machine according to an embodiment of the present invention.
FIG. 3 is a view showing the appearance of the machine, in which 10 is a frame.
You. The frame 10 includes a headstock 12,
Supports a main shaft (not shown) rotatably. main
A chuck 14 that holds the work is attached to one end of the shaft.
On the other hand, a pulley 16 is fixed to the other end.
16 and the output shaft of the servo motor 18 mounted on the frame 10
The belt 22 is wound around the pulley 20 fixed to
And the main shaft is rotated and held by the chuck 14.
The rotated work can be rotated. The frame 10 has a Z-axis direction parallel to the axis of the main shaft.
, A Z-axis slide 26 is mounted. Sura
The id 26 has a screw shaft 28 on a nut provided therein.
The screw shaft 28 is rotated by a motor 30.
By being rotated, the pair provided on the frame 10
Along the guide rail 34. This Z axis
On the ride 26, move in the vertical direction orthogonal to the Z-axis direction.
An X-axis slide 36 is attached. X axis slide
36 is a screw shaft 38 screwed into a fixed nut therein.
(See FIG. 5) is rotated by motor 40
A pair of guide rails provided on the Z-axis slide 26
Is guided and moved. The frame 10 includes a tool post holding saucer as a tool post holding device.
Is positioned on the opposite side of the headstock 12 across the slides 26 and 36.
Installed. The turret 46 is shown in FIG.
Multiple turrets 48 are attached
Turret 46
And the X-axis slide 36. These turrets
46 and the X-axis slide 36 are shown in FIGS. 3 and 5, respectively.
Turret holders 52 and 54 are provided so that
The comb-shaped tool post 48 is held by the holding portions 52 and 54.
You. The tool post holding turret 46, comb tooth tool post 48, and transfer
The device 50 and the tool rest holders 52 and 54 will be described. The comb-shaped tool rest 48 is shown in FIG. 3 and FIG.
A plurality of (two in this embodiment) turrets are mounted on the base 56.
58 are arranged side by side. The base 56 has a longitudinal shape and has two
The tool rest 58 is spaced apart in the longitudinal direction of one surface of the base 56.
Key 60 (see Fig. 5)
It is fixed and fixed by bolts 62. These blades
A tool 59 is attached to the stage 58. Also, this comb tooth shape
The tool post 48 is used for machining with its longitudinal direction up and down.
At the upper end when machining the base 56.
Has a T-shaped engaging projection 64, while the lower end has an
An engagement protrusion 66 that engages with the groove is provided. Engagement projection
64 is further provided with a V-shaped groove 67 opened on the upper surface. Also, opposite to the side on which the tool rest 58 of the base 56 is attached
On the upper part of the rear surface of the side, a member extending in a direction perpendicular to the longitudinal direction
A mating groove 68 is provided. This engagement groove 68 is
The side is inclined upward as it goes away from the back
It forms a recessed groove. Also on the back of the base 56,
As shown in FIG. 5, it extends in the longitudinal direction and
A T-groove 70 and a V-groove 72 are formed on the upper and lower surfaces.
ing. The tool post holding turret 46 has a cross section as shown in FIG.
Form a short prismatic shape whose shape is a regular hexagon, the frame
Attached to 10 so that it can rotate around a center line parallel to the spindle axis
It is intermittently rotated by 60 degrees by the Geneva mechanism 73.
It is so. The turret 46 has a hollow interior.
The outer surface of the peripheral wall 74 divided into six sections is
You can move it to six different positions by rotating
Where the outer surface extends in the up-down direction, and will be described later.
Located on the same plane as the tool post mounting surface of X-axis slide 36
The position is the tool post supply position. The outer surface of the peripheral wall 74 is provided on the base 56, respectively.
Has a shape corresponding to the engaged groove 68, and is fitted into the engagement groove 68.
The engaging projection 76 to be attached is attached via the plate 77
At the same time, the holding member 78 penetrates the peripheral wall 74, and the turret rotates
Fits slidably and non-rotatably in the direction perpendicular to the center line
ing. The holding member 78 has a stepped shape and is fixed to the peripheral wall 74.
Guided by key 81
Rotation with respect to member 80 is prevented. The end of the holding member 78 that protrudes outward from the peripheral wall 74 is
The large diameter portion 82 has an engagement protrusion 76
Side, and corresponds to the engagement protrusion 66 provided on the base 56.
And a small gap in the engagement projection 66.
An engagement groove 84 is provided to be fitted and left. This hold
The member 78 has an end opposite to the side where the large diameter portion 82 is provided.
Between the flange portion 86 provided on the section and the guide member 80.
Turret inside by installed compression coil spring 88
It is urged to move to. This bias is
82 comes into contact with the shoulder surface 90 provided on the guide member 80.
The holding member 78 is provided with an engagement groove 84 of the large diameter portion 82.
Part is projected from the guide member 80.
You. Further, the inside of the turret 46 is
A push rod 94 is provided which is moved in the direction.
Extrusion rod 94 is connected to piston rod 96 of cylinder 92
Part that is positioned at the tool post supply position on the peripheral wall 74.
Provided at a position concentric with the holding member 78 attached to the minute
Have been. And the piston rod 96 is extended
The pushing rod 94 pushes the holding member 78 to hold it.
The member 78 is moved from the turret 46 against the urging force of the spring 88.
It is moved in a protruding direction. The holding member 78 is
A position where the engaging protrusion 66 of the base 56 can just engage with the engaging groove 84
To this position, and this position is called the projecting position.
You. The direction in which the push rod 94 is separated from the holding member 78
The holding member 78 is moved by the spring 88.
To the turret 46. When the holding member 78 is at the projecting position, the comb-shaped tool post 48
The engaging projection 66 and the engaging groove 68 respectively engage with the holding member 78.
The holding portion is fitted in the groove 84 and the engagement protrusion 76, and in that state,
When the material 78 is drawn into the turret 46,
The part 66, the groove 68 and the groove 84, the protrusion 76 engage,
The turret 46 is fixed to the turret 46 in the retracted state. Engagement projection 76, holding
The member 78, the compression coil spring 88, etc.
Although not shown, six of the peripheral walls 74
A similar tool post holder 52 is provided in each of the sections
The comb-shaped tool rest 48 is fixed. As shown in FIG. 1, the transfer device 50 includes a cylinder 10
0 can be moved in the direction parallel to the spindle axis.
A ridge 102 is provided. The frame 10 has a main shaft
A beam 104 extending in a direction parallel to the line is provided.
In addition, as shown in FIG.
The linear guide 106 and guide groove 108 extending in the
And the X-axis slide 36.
In addition, the carriage 102 is a driven
Moving part 110 and a tool post provided below driven part 110
And a holding unit 112, and the
In the mating groove 114 and the guide roller 116, the linear guide 10
6, are respectively engaged with the guide grooves 108. in addition
When the carriage 102 is driven by the cylinder 100
The delivery of the comb-shaped tool post 48 between the X-axis slide 36
Comb shape between the slide side delivery position to be performed and the turret 46
Transfer between the turret side delivery position where the tool post 48 is delivered
Be moved. Please note that these two delivery positions are
As defined by a stopper (not shown)
I have. In addition, the tool post holding unit 112 has a structure as shown in FIG.
At the lower end thereof extends in a direction parallel to the X-axis direction.
A groove 120 is provided, inside which a piston 122 is provided.
Are fitted so as to be liquid-tight and slidable in the vertical direction. Pis
The piston rod 12
4,126 are extended, and the lower piston rod 1
The lower end of 26 has an inclined surface that engages with the V groove 67
The unit 128 is provided. In the comb-shaped tool rest 48, the piston rod 126 is held in the holding portion 112.
The engagement protrusion 64 is fitted into the T
Can be Between the X-axis slide 36 by the carriage 102
X-axis slide 36 is the highest for delivery of tool post 48
At the raised end position.
102 is held on the X-axis slide 36 where the T groove 120 is at the rising end position.
Provided at a height that can fit with the engaging projection 64 of the held tool post 48
Have been. Then, from the state where these are fitted,
Rod 126 is lowered, and the engaging portion 128 engages with the V groove 67
At the same time, the large diameter part of the projection 64 is the shoulder surface of the T groove 120
The tool post 48 is pressed against
With the carriage 102 positioned in the vertical direction.
Will be retained. FIG. 5 shows the tool post holder 54 provided on the X-axis slide 36.
Shown in The tool post holder 54 is a block fixed to the X-axis slide 36.
A lock-shaped main body 134 is provided.
The surface opposite to the side fixed to the ride 36 has the X axis and
The tool rest of the turret 46 is parallel to a plane including the Z axis.
The outer peripheral surface at the supply position (exactly
The surface of the turret 46 includes the surface of the turret member 80.
The tool post mounting is located in the same plane as the tool post mounting surface.
The attachment surface 136 is provided. The turret mounting surface 136 has a vertical
Into which the V-groove 72 provided in the base 56 is fitted.
An angular engaging projection 138 is provided, and inside the main body 134
Piston 140 is slidable in a liquid-tight direction perpendicular to mounting surface 136
Noh is fitted. This piston 140 has a large diameter
A T-shaped groove having a mating portion 142 and fitting with the T groove 70 of the base 56.
The pad 144 is fixed. The engaging portion 142 has a mounting surface 136 protruding.
And the mounting surface 1
It is approached and separated from 36. In the comb-shaped tool rest 48, the engaging portion 142 is separated from the mounting surface 136.
With the grooves 70 and 72 of the base 56 in the
44 and the rod 144 is pulled into the main body 134 from this state.
The engagement portion 142 engages with the shoulder surface of the T-groove 70
Then, it is fixed to the X-axis slide 36. In the turning machine configured as described above, machining is X
Comb fixed to the axis slide 36 by the tool rest holder 54
This is performed by the tool post 48. At this time, the carriage 102
Is moved to a retracted position between the X-axis slide 36 and the turret 46.
And the turret 46 is divided into six
Of the comb-shaped tool rest 48 used for machining
The surface on which is mounted is located at the tool post supply position.
I have. The empty surface where the tool post 48 is not attached is the tool post.
At the supply position, the holding member 78 provided on the surface is projected.
It is in the out position. Hereafter, if the tool is worn,
The tool replacement will be described. When changing tools, first move the X-axis slide 36 to the upper end position.
Moved. Next, the carriage 102 is moved to the slide side.
By being moved to the delivery position, the engagement protrusion 64
The groove 120 is fitted. In this state, the piston 140 moves.
And the tool post holder 48 holds the comb-shaped tool post 48.
After the holding is released, the piston rod 126 of the carriage 102
It is lowered to engage the engaging portion 128 with the V groove 67, and
The toothed tool rest 48 is held by the carriage 102. And
When the X-axis slide 36 is lowered, the engagement protrusion is formed.
138 and rod 144 are separated from V groove 72 and T groove 70
The platform 48 is in a state where it can move. Subsequently, the carriage 102 moves to the turret side delivery position.
To be moved. At this time, the tool post mounting surface 136 and
Because it is on the same plane as the tool post mounting surface on the outer circumference of
The comb-shaped tool rest 48 does not interfere with the turret 46,
The mating portion 66 and the engaging groove 68 are fitted into the engaging groove 84 and the engaging protrusion 76.
You. In this state, the piston rod 1 of the carriage 102
26 is drawn into the holding section 112,
The holding of the tool post 48 by the jaws 102 is released,
Can be moved away from the holding member 78.
With this, the holding member 78 receives the urging force of the spring 88
It is drawn into the turret 46, and the comb-shaped tool post 48
Retained at 46. Subsequently, the carriage 102 was moved to the retreat position.
Later, the turret 46 is rotated 60 degrees and the next comb to be used
The toothed tool post 48 is moved to the tool post supply position. Soshi
Move the carriage 102 to the turret side delivery position.
The T-groove 120 fits into the engaging projection 64 of the new comb-shaped tool rest 48.
After mating, the push rod 94 moves toward the holding member 78
And the holding of the tool rest 48 by the holding member 78 is released.
Therefore, the piston rod 126 of the carriage 102
Is lowered so that the engaging portion 128 is engaged with the V groove 67,
The tool rest 48 is held by the carriage 102. The carriage 102 holding the tool rest 48 is delivered on the slide side.
The X-axis slide.
Is in the lowered position and the carriage 102 reaches the delivery position.
Has been reached, and the holding of the tool post 48 by the carriage 102 has been released.
Then, the protrusion 138 and the rod 144
The tool post 48 is fitted in the groove 72 and the T groove 70, respectively,
Is positioned. In this state, the rod 144
By being pulled into the main body 134, the comb-shaped tool post 48
It is fixed to the X-axis slide 36.
Jig 102 is moved to the retracted position, and processing is started.
You. Thus, in the turning machine of the present embodiment, the processing is
This is performed by the tool 59 held on the tool post 48.
However, only one tool post 48 can be placed on the X-axis slide 36.
Therefore, the load applied to the slide 36 is small,
Slides 26 and 36 can be moved quickly and accurately.
Machining accuracy and the life of slides 26 and 36 are improved
The effect is obtained. In the turning machine of the present embodiment, the turret 46
Provided on the surface on which the tool post 48 is mounted and on the X-axis slide 36
The tool post mounting surface 136 of the tool post holder 54
So that the carriage 102 is
Between the slot 46 and the X-axis slide 38 parallel to the spindle axis.
The tool post 48 can be transferred by reciprocating linearly.
Therefore, the time required for replacement can be reduced. Further, the turret 46 is arranged around an axis parallel to the main axis.
Because it is rotatable, horizontal installation space is
Smaller size allows turning machines to be compact
it can. But the turret 46 rotates around the vertical axis
You can also do so. In this case, the tool post 48 is a base 56
On the side of the turret it is divided into a plurality of outer surfaces
Multiple locations where each of the outer surfaces is located, each mounted
Of which, the outer surface is at right angles to the spindle axis and
The position that is close to the id 36 is the tool post supply position.
And Also, the turret should be an axis parallel to the main axis or vertical
Not only the axis but also other axes due to the design of the turning machine
You may make it provide so that it may rotate around. Further, in the above embodiment, the sectional shape of the turret 46 is
Was a regular hexagon, but other regular polygons or
It may be a polygon. The tool post holding device is not limited to a turret,
A tool post holder can be provided to hold a plurality of comb-shaped tool posts.
If so, it can be adopted. Furthermore, the tool post holder has a petal-shaped engaging member.
You may do it. Petal-shaped part on the base of the comb-shaped tool post
An engaging recess with a shape corresponding to the material is provided,
After mating with matching, turn the petal-shaped member a certain angle.
And move it to engage the base.
You. In addition, although I will not exemplify each case,
The present invention is implemented in various modified and improved forms based on knowledge.
Can be implemented.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view showing the appearance of a turning machine according to one embodiment of the present invention, and FIG. 2 is a side view. FIG. 3 is a front view (partly sectional view) showing a tool post holding turret of the turning machine.
It is. FIG. 4 is a front view (partial cross section) showing a transfer device of the turning machine, and FIG. 5 is a plan view (partial cross section) showing a tool rest holding portion provided on an X-axis slide. 10: frame, 12: headstock 26: Z-axis slide, 36: X-axis slide 46: tool post holding turret, 48: comb tooth tool post 50: transfer device 52, 54: tool post holding part 56: base, 58: tool post 59: tool, 78: holding member 88: compression coil spring, 92: cylinder 94: push rod, 100: cylinder 102: carriage, 122: piston 136: tool post mounting surface, 140: piston

────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kiyoshi Okubo 1-9-2 Omotemachi, Maebashi City Car sublight N401 (72) Inventor Hideki Kobayashi 5-8-8 Minami, 8-8 Minami, Hanyu, Saitama (56) References JP 60-108242 (JP, A) JP-A-51-56077 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) B23B 3/00 B23Q 3/155 B23B 25/00

Claims (1)

(57) [Claims] A frame, a main shaft supported by the frame and rotating while holding a work, and a plurality of tool post holders supported by the frame,
On the turret mounting surface of each turret holding portion, a plurality of turrets each having a plurality of turrets arranged on a base are held one by one, and each of the plurality of turret holding portions is connected to the turret. A tool rest holding device for selectively positioning the tool rest mounting surface of the holding portion at a tool rest supply position parallel to the axis of the spindle; and a tool rest holding device positioned at the tool rest supply position of the tool rest holding device. A tool rest holding part for holding one of the comb-shaped tool rests on a tool rest mounting face located on the same plane as the tool rest mounting face of the tool rest holding part, and perpendicular to a direction parallel to the axis of the main shaft; And a transfer device for automatically transferring the comb-shaped tool post between the slide and the tool post holding device, and a base of the comb-shaped tool post is provided. , A horizontal direction which is a direction in which the plurality of tool rests are arranged. A tool post having a laterally longer shape than the longitudinal dimension in which the tool extends from each of the tool posts, and at a tool post supply position of the tool post mounting surface of the slide and the tool post holding device. The tool post mounting surface of the holding portion holds the comb-shaped tool post in such a position that their vertical direction is parallel to the axis of the main shaft and the horizontal direction is perpendicular to the axis of the main shaft, and the transfer is performed. A turning machine capable of automatic tool change, characterized in that the apparatus moves a comb-shaped tool post in a vertical direction of the comb-shaped tool post to perform transfer. 2. The transfer device holds the comb-shaped tool rest and moves in a direction parallel to the axis of the main spindle, and the tool rest holding corresponding to the tool rest holding part at the tool rest feeding position of the tool rest holding device. An apparatus-side delivery position, a carriage that transports the comb-shaped tool rest between the slide-side delivery position corresponding to the tool rest holding part of the slide, and the tool rest holding part of the slide and the comb-shaped tool rest. Has one of an engaging protrusion and an engaging groove which extend in parallel to the lateral direction of the comb-shaped tool rest and are engaged with each other to position the comb-shaped tool rest with respect to the tool rest holding portion, A patent is characterized in that the slide of the comb-shaped tool rest is attached to and detached from the tool rest holding part by moving the slide in a direction orthogonal to the axis of the main shaft while the carriage is at the slide side delivery position. Contract Range Turning machine according to paragraph 1 of. 3. The tool post holding device has a plurality of tool post holding portions on an outer periphery thereof and includes a turret that rotates around a horizontal axis parallel to the axis of the main spindle, and the tool post holding portion of the slide and the tool. The same plane in which both the tool rest holding surfaces at the tool rest holding portion at the tool rest supply position of the tool holding apparatus are located is a vertical plane, and the transfer device is located above the both tool rest mounting faces. 3. The turning machine according to claim 1, wherein the turning machine is disposed at a position where the turning machine is located.