JP3425907B2 - Spindle movable vertical machine tool - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] BACKGROUND OF THE INVENTION The present invention relates to a method for manufacturing
Vertical directionWhen, Move in a direction perpendicular to this vertical direction,
Spindle-moving vertical machine that transfers, transports, and processes workpieces
Related to machine tools. [0002] 2. Description of the Related Art A spindle is arranged in the direction of the spindle axis and in the direction of the spindle axis.
Transfer in the crossing direction to transfer / transfer and process workpieces
The main spindle moving type machine tool that performs
32No. 1 is known. Special fairness
2-4632No. 1 has a main axis having a vertical axis.
Shaft, chuck provided at lower end of spindle, and provided on bed
Turret, and the axis of the spindle with respect to the bed and
Headstock movably provided in a direction perpendicular to the spindle axis
And a work stocker provided at a position facing the spindle
The headstock is moved by the axis movement of the headstock.
Configuration so that the workpiece on the power can be directly gripped by the chuck
The technology related to the machine tool is described. [0003] SUMMARY OF THE INVENTION
Fairness 2-4632In the machine tool described in Japanese Patent Publication No.
A cover is provided to prevent chips from scattering backwards
However, a cover is provided to cover the processing area.
No chips or cutting fluid generated during machining
May scatter outside the machine and on the work stocker side.
You. Also, the installation area of machine tools equipped with work stockers
No attempt was made to reduce the size. Sand
First, the area to be processed by the tool post, the work stocker and the processing
There is no contrivance to get close to the area where goods are transferred
Was. [0004] The main object of the present invention is to remove chips and the like outside the machine.
Without scattering to the part and the work placement device side, and
To provide a spindle moving vertical machine tool with a small installation area.
And there. [0005] Another object of the present invention is to provide a process area and a process.
A simple configuration of partitioning means is used to separate the crop
To provide a movable spindle type vertical machine tool that can be cut
And there. [0006] Means for Solving the Problems The book described in claim 1
The invention relates to a spindle having a vertical axis and a base for a machine tool.
Moveable relative to the body in a direction perpendicular to the axis of the main shaft
A moving table provided, and an axis of the main spindle with respect to the moving table.
The main shaft is provided so as to be movable in the direction of the line.
With the headstock rotatably supported at the centerHaveSpindle shift
A dynamic vertical machine tool, wherein the main spindle moving vertical machine tool is provided.
A machine provided to cover at least the machining area of the machine
A bar device and a workpiece transfer area adjacent to the processing area.
A plurality of mounting sections on which workpieces are mounted are provided so as to be movable.
A chuck provided at a lower end of the spindle and a mounting portion described above.
The transfer position at which a workpiece is transferred between the
In the area occupied by the substrate and on the locus of movement of the axis of the spindle
A work placement device located at
The spindle moves in a direction perpendicular to the axis of the
When located on the machining area side, the machining area and the workpiece transfer
Partitioning means for partitioning the receiving areaSpindle movable vertical type equipped with
In machine tools, The partitioning means comprises:
Between the workpiece transfer area and the moving direction of the moving table;
While being provided in an orthogonal plane, The carriage is
When moving in the moving direction of the carriage, move the carriage in front
It is possible to move between the machining area and the workpiece transfer area.
A fixed cover having an opening that is Said move
It is provided on the table and is formed in a shape that substantially matches the opening.
While extending in the direction of movement of the carriage.
A moving cover having a sliding surface, Install on the fixed cover
And slidingly contact the sliding surface of the moving cover to
A sliding contact member for preventing scattered objects in the area from scattering outside,To
It is characterized by having. [0007] BRIEF DESCRIPTION OF THE DRAWINGS FIG.
It will be described with reference to FIG. FIGS. 1 to 13 show the spindle movement of the present invention.
One type of vertical machine tool (hereinafter abbreviated as machine tool)
The form is shown. First, referring mainly to FIGS.
The configuration of this machine tool will be described. FIG. 1 shows this embodiment.
FIG. 2 is a cross-sectional view showing a main part of the front of the machine tool of FIG.
FIG. 3 is a front view of the machine tool, and FIG.
FIG. 4 is a plan view of the machine tool of FIG. 1, and FIG.
FIG. 6 is a side view of the machine tool of FIG. 1, and FIG.
It is sectional drawing. Referring to FIG. 1 to FIG.
Is a spindle 2, a saddle 3 (see FIGS. 3 to 5), and a headstock.
4 (see FIGS. 3 and 4) and a tool rest 5. main
The shaft 2 has an axis in the vertical direction, and is rotatable on the headstock 4.
Supported. The workpiece W is gripped at the lower end of the spindle 2.
Chuck 25 is provided. The chuck 25 is
Multiple (for example, three) by driving the jack cylinder 25b
Gripping claw 25a opens and closes. The headstock 4 has a headstock
The bar 41 is fixed with fixing members such as bolts,
The headstock cover 41 surrounds the front and side surfaces of 4
Covered. The headstock 4 and the headstock cover 41 are
Z-axis servo motor 34 (see FIG. 4) provided on
The guide rail 60 is moved by a ball screw (not shown) or the like.
a, a linear rolling guide composed of a slide body 60b;
The main shaft 2 is guided by the Z-axis guide surface 60
Movable in the Z-axis direction, which is a direction parallel to the axis of
I have. In addition, the headstock 4 connects the spindle 2bearingCan be rotated by etc.
We support Noh. Between headstock 4 and spindle 2
Has a built-in spindle drive motor (not shown)
Is stored. In addition, the drive motor for the spindle is
Externally mounted, via a driving force transmission mechanism, coupling mechanism, etc.
Alternatively, the driving force may be transmitted to the main shaft 2. A bed 7 as a base of the machine tool 1 is
It has an inverted T-shape when viewed from the front.
Formed with a rear bed 7a higher than the bed 7b
Have been. The saddle 3 (see FIGS. 3 to 5) is not shown.
X-axis servo motor, ball screw 6c and appropriate power
The guide rail 6a (see FIGS. 3 and 5) is transmitted by the transmission means.
), With a linear rolling guide consisting of a slide body 6b, etc.
Guided on a certain X-axis guide surface 6, the Z-axis is
Provided so as to be movable in the X-axis direction, which is a direction orthogonal to the direction.
Have been. One end of the guide rail 6a transfers a workpiece.
It is provided to extend to the region 12. Therefore, thad
3 is the X axis from the processing area 11 to the workpiece transfer area 12.
It can move in any direction. Thus, this machine tool 1
Indicates that the main shaft 2 moves in the X-axis direction and the Z-axis direction.
is there. The machine tool 1 is shown in FIGS.
As shown, the splash guard 8 and the work placement device 9
And partitioning means 10. Splash gar
The door 8 is provided so as to cover the periphery of the machine tool 1.
You. That is, the inside of the splash guard 8 is processed
An area 11 and a workpiece transfer area 12 are provided. Processing area 1 in front of splash guard 8
2 and FIG.
Front opening for opening and closing the opening 8a of the lash guard 8
A closing door 13 is provided. The opening 8a is provided in the tool post 5
Change of tool 27, change of tool 27, machine tool 1
Are used to perform maintenance and the like of each part. Front
The opening / closing door 13 is provided with a handle 13a. Ma
The front opening / closing door 13 is provided with a window 13b.
Therefore, it is possible to monitor the cutting state and the like in the processing area 11.
it can. The front surface on the right side of the machine tool 1 in FIG.
An operation panel 14 of the C apparatus is provided. This NC operation panel
Reference numeral 14 denotes the movement of the spindle 2, the headstock 4, the saddle 3, the tool post 5, and the like.
To input commands for controlling the operation by the NC device
Input means 14a, NC program according to the input command etc.
Display means 14b for displaying a program or the like. Display means 1
As 4b, a display such as a liquid crystal display, EL
A display panel, a CRT, or the like is used as the input means 14b.
-Use a touch panel integrated with the board and display means
be able to. Workpiece transfer area 1 of splash guard 8
1 and 2 on one side (the left side in FIG. 2).
2, as shown in FIG. 4 and FIG.
And a side opening / closing door 16. Side opening and closing
The handle 16a is provided on the door 16. Side opening
15 is a case where the worker places the work W on the work placement device 9.
It is for performing the work of taking out and taking out.
The side opening / closing door 16 is provided with a window 16b.
It is possible to confirm whether the object W has been processed or not.
it can. The side opening and closing door 16 is provided with the splash guard 8.
The side opening 15 is provided to be openable and closable, and the handle 16a is
Covering the side opening 15 when grasped and moved to the closed side
It is. Each of the front opening door 13 and the side opening door 16 has
Confirmation switch to confirm that it has been closed
Automatic mode only when it is confirmed that the
To enable each operation part of machine tool 1 to operate
Is preferred. That is, the worker places the work placement device 9
Machine tool 1 automatically operates when working
Can improve safety for workers.
I do. For example, when the front opening / closing door 13 is not in the closed state
Can execute machining by NC program in automatic mode.
Not to be. Also, when the side opening / closing door 16 is not closed.
The work area 11 to the workpiece transfer area 12
To prevent the saddle 3 from moving in the X-axis direction
Good. The workpiece transfer area 1 of the NC operation panel 14
As shown in FIG. 5, the workpiece mounting device 9 is provided on the two side surfaces.
A manual operation panel 17 of a mounting device for operating the
ing. The manual operation panel 17 of this mounting device
Set the control mode of the positioning device 9 to automatic mode or single mode
Switch to select whether to work in single mode, ie work
When the object placing device 9 is operated independently, the rotary table 2 is used.
Instruct the start or stop of the indexing turning operation of 0,
An operation switch for instructing the turning direction of the turntable 20
Switch, emergency stop switch and the like. The work placing device 9 is shown in FIGS.
So that it is housed in the splash guard 8
Provided in the workpiece transfer area 12 adjacent to the area 11
You. As shown in FIGS. 1 to 5, the work placing device 9 has a circular shape.
At a predetermined angle in the circumferential direction, a plurality (for example, in this embodiment,
In this case, there are six) mounting portions 18 for the workpiece W provided,
Is supported via a biasing member 19 such as a spring.
A rotating body such as a rotary table 20;
Is rotatably supported and a button is provided on the front of the rear bed 7a.
Support frame 2 fixed by an appropriate fixing member such as
2 and the drive of the turntable 20 provided on the support frame 22.
A speed reduction mechanism 23 for reducing the rotation of the dynamic motor 24,
A drive motor 24 connected to the speed reduction mechanism 23.
ing. Rotary table 20 supporting mounting portion 18
Is fixed to the rotating side of the rotary table 20 and the like and the support frame 22 and the like.
Rotational position detecting means (shown in FIG.
), By a control device (not shown) of the drive motor 24, etc.
Index control can be performed at a predetermined transfer position 26.
A plurality of mounting portions 18 (for example, three at equiangular positions) are provided.
The urging member 19 is constantly urged upward.
You. This allows workpieces (particularly raw materials to be machined
Object) has a variation in the axial dimension,
Even if the accuracy of the parallelism of both end faces is not good,
8 moves in the axial direction or tilts so that the chuck 2
Workpieces can be reliably exchanged between 5 and 5.
At least one of the mounting portions 18 of the work mounting device 9 is
It is located on the movement locus of the axis of shaft 2 and is set at the lower end of spindle 2.
Transfer of workpiece W with the chuck 25
Position 26 (see FIGS. 1, 2 and 4).
ing. The transfer position 26 is located above the bed 7.
That is, it is located within the area occupied by the substrate. Of the support frame 22
A plurality of casters 22a are provided on the upper surface,
The bull 20 is rolling supported. The tool rest 5 is located in the processing area 11.
As described above, it is fixed to the front surface of the rear bed 7a. Tool post 5
Is provided with a turret 5a rotatably for indexing.
Various tools 27 are attached to the outer periphery of the let 5a.
And the desired tool 27 can be indexed to the machining position.
Wear. The partitioning means 10 is shown in FIGS.
The fixed cover 28, the movable cover 29,
And a member 30. The fixed cover 28
Movement direction of saddle 3 between 11 and workpiece transfer area 12
In a plane F (see FIGS. 1 to 4) orthogonal to the (X-axis direction)
Is provided. The fixed cover 28 is, as shown in FIG.
The inside of the splash guard 8 and the front of the rear bed 7a
Surface and fixed with fixing members such as bolts and small screws.
You. The fixed cover 28 is, as shown in FIG.
Side cover part 31, front side cover part 32, opening 33
It has. The lower cover 31 is located below the plane F.
Covering the area. The upper end of the lower cover 31 is a headstock.
4 is located at a predetermined height in the Z-axis direction,
Below the maximum length workpiece W gripped by the end chuck 25
The height is determined so that the edges do not interfere. Front cover 32
Is a machine tool from one side edge of the upper edge of the lower cover portion 31.
Vertically upward along the splash guard 8 on the front of 1
Has been established. The opening 33 is provided with the saddle 3, the headstock 4 and the like.
Movable between the processing area 11 and the workpiece transfer area 12
So that the upper side of the horizontal upper edge of the lower
And beside the vertical side edge of the front cover portion 32
And is formed in a rectangle or the like. The moving cover 29 is shown in FIGS.
As shown in FIG.
With a predetermined length in the X-axis direction.
It is formed so that. There are few moving covers 29
, The headstock side surface portion 36, the front sliding contact surface portion 39, and the downward sliding contact.
It has a surface portion 38. Further, the moving cover 29 is
The attachment part 29a is formed on the side, and the workpiece of the saddle 3 is formed.
A bolt 3a and a bolt are provided on the side of the transfer area 12 (the right side in FIG. 1).
It is fixed by a fixing member such as 29b. The front sliding contact surface portion 39 and the lower sliding contact surface portion 38
A sliding contact member 30 attached to the fixed cover 28,
The wipers 43 and 42 are in sliding contact with each other. That is, before
The sliding surface 39 and the wiper 43, and the lower sliding surface 38 and the wiper 43
The chip 42, the cutting oil, etc.
Do not come out of the machining area 11 to the workpiece transfer area 12
And sliding the moving cover 29 forward.
The chips adhered to the surface portion 39 and the lower sliding contact surface portion 38 are removed.
It's been dropped. The length of the moving cover 29 in the X-axis direction
Is used to process the headstock 4 (spindle 2) to process a workpiece.
When in the area 11 side, the wipers 42 and 43
The contact surface portion 39 and the lower sliding contact surface portion 38 must be long enough to make sliding contact.
ing. That is, the headstock 4 is moved to the workpiece transfer area 12.
Is located at the moving end on the opposite side of
), The wipers 42 and 43 and the front sliding
The contact surface portion 39 and the lower sliding contact surface portion 38 can slide.
ing. The wipers 42 and 43 are made of an elastic material such as rubber and
The front sliding contact surface is always formed with elastic force.
The portion 39 is in contact with the lower sliding contact surface portion 38. Moving cover 2
9, a lower slide contact surface 38 is provided so that the headstock 4
When located at a height (for example, the upper end position), the lower end of the spindle 2
Lower end of the workpiece W of the maximum length held by the chuck 25
It is located below. Note that, in this embodiment,
A moving table is constituted by the dollar 3 and the moving cover 29.
I have. On the opposite side of the moving cover 29 of the saddle 3,
Another moving cover 37 is provided. Other moving covers
37 includes at least a headstock side surface portion 37c and a front surface portion 37.
d, and a lower surface portion 37e. In addition, other moving hippo
The mounting portion 37a is formed on the upper side of the
3 (on the left side in FIG. 1), a bolt 37b,
It is fixed with a fixing member such as a small screw. Other moving cover 3
7 and the column fixed to the rear bed 7a etc.
Is a bellows type, telescopic (telescope) type
A cover 81 is provided. That is, the processing area 11
Is processing consisting of cover 81, splash guard 8, etc.
Area cover device, movable cover 29 and fixed cover 28
With the partitioning means 10 and the bed 7
It is covered so that the lubricating agent etc. does not scatter outside the processing area 11.
I have. A headstock side moving cover fixed to the headstock side 4
-41 is a saddle 3, a moving cover 29, and other moving covers
37, it moves in the Z-axis direction. That is, the headstock
The left side surface 41a of the side moving cover 41 and the other moving cover 37
Side surface 37c, right side surface 41b, and main shaft of movable cover 29
There is a predetermined gap between the platform side portion 36. That
Seals gaps and removes chips
The wiper 40 is placed on the upper surface of the moving cover 29 to scrape it off.
c, a wiper 40a is provided on the upper surface of another moving cover 37.
Have been. In addition, it slides on the front surface of the headstock side moving cover 41.
The wiper 40b is provided to perform the operation. Wiper 4
0b is on the upper surface of the moving cover 29 and the other moving cover 37.
It is fixed astride. Wipers 40a, 40b, 4
0c has a distal end portion formed of an elastic member such as rubber,
At this time, the side surface 41 of the headstock side moving cover 41 is reliably
a, the side surface 41b, and the front surface 41c. That is,
From this gap, chips, cutting oil and the like on the processing area 11 side
It doesn't come out. The front and side surfaces of the headstock 4
If the sliding contact surface is formed, the headstock moving cover 41 is unnecessary.
can do. Next, the machine tool 1 configured as described above
The transfer of the workpiece W and the processing operation by
FIG. 6 is described with reference to the operation state diagrams of FIGS.
You. First, referring to FIG. 1 to FIG.
7 in the independent mode, and the operator opens the side opening / closing door 16.
By operating the operation panel 17 of the mounting device, the workpiece mounting device 9 is operated.
And place the unprocessed workpiece Wb on the workpiece
It is placed on each placing portion 18 of the device 9 and the placing is completed.
Upon completion, the side opening / closing door 16 is closed. Operation panel of mounting device
Set 17 to automatic mode. Subsequently, the operator operates the NC operation panel 14 (see FIG. 2).
) To process, convey, pass and hold in the machine tool 1
The execution of the NC program for performing the operation is started. Figure
7 indicates that the machining of the workpiece Wa is completed in the machine tool 1 and has been machined.
FIG. 4 is a diagram showing a state in which a chuck 25 is gripping a workpiece Wa of FIG.
You. The description will be made from this state. Headstock as shown in FIG.
4 moves upward in the Z-axis direction, and is held by the chuck 25 of the spindle 2.
The lower end of the held processed workpiece Wa is below the moving cover 29.
It is located at a position higher than the sliding surface 38. Then, FIG.
The saddle 3 moves toward the workpiece transfer area 12 as shown in FIG.
Moves in the X-axis direction, and the main spindle 2 moves between the workpiece mounting device 9
When the saddle 3 is reached just above the empty mounting portion 18 in the
Stops. As shown in FIG. 10, the processed workpiece Wa
Is placed on an empty placing portion 18. At this time, the mounting portion 18
There is a biasing member 19 below the
It can be transferred from the rack 25 to the receiver 18. Chuck
25 opens the gripping claws 25a and sets the headstock 4 in the Z-axis direction.
Increase the amount. That is, the rotation table 20
When the ejecting operation is performed, the gripper 25a of the chuck 25
It rises to a height where it does not interfere with the unprocessed workpiece Wb.
The rotary table 20 is rotated by a predetermined angle,
Transfer position of the mounting part 18 on which the workpiece Wb is mounted
26. Lower the headstock 4 in the Z-axis direction,
The unprocessed workpiece Wb is inserted into the gripper 25a of the chuck 25.
Insert, close the gripping claws 25a, and remove the unprocessed workpiece Wb.
Let it be gripped. Also at this time, the unprocessed
Workpiece Wb is pressed axially by gripping claws 25a.
Can be gripped by the gripping claws 25a of the chuck 25 in the
A good gripping operation can be performed. As shown in FIG. 11, the unprocessed workpiece Wb
Headstock 4 gripping with chuck 25 rises in the Z-axis direction.
You. Then, as shown in FIG.
The saddle 3 moves to the machining area 11 in the X-axis direction. Figure
As shown in FIG.
Processing is performed on the object Wb. Spindle 2 with spindle drive motor
By rotating, the work held by the chuck 25
The object Wb is rotated at a predetermined rotation speed, and the tool post 5 is rotated.
Workpiece Wb in X-axis direction and Z-axis direction with respect to tool 27
Movement and positioning are controlled so that
Work. While this process is being performed,
The moving cover 29 and the wipers 42 and 43 on the fixed cover 28 side
Are in sliding contact. That is, the processing area 11 is
1, splash guard 8, bed 7, partition means 10
The cutting that occurs in the machining area 11
Debris, cutting oil, etc. do not scatter outside the processing area 11.
No. That is, on the mounting portion 18 of the work mounting device 11 or the like.
No chips, cutting oils, etc. are scattered in the part. When the processing is completed, the state returns to the state shown in FIG.
And the unprocessed material placed on the placing portion 18 of the workpiece placing device 9
This procedure is repeated until there is no more workpiece Wb. This
The transfer and processing of the workpiece W such as
Processing of all the workpieces W on the mounting portion 18 of the mounting device 9 is completed.
When the operation is completed, the operation by executing the NC program of the machine tool 1 is performed.
The operation stops. Then, the operator opens the side opening / closing door 16.
Then, the workpiece is placed by operating the manual operation panel 17 of the placing device.
While indexing the device 9, the machined workpiece Wa
After unloading by hand from the work placement device 9, a new unprocessed
Is placed, and the side opening / closing door 16 is closed.
It is assumed that the above-mentioned exchange and processing operations are repeated again. The present invention is not limited to the above embodiment.
Instead, various modifications are possible as follows. partition
In the above embodiment, the means 10 is a moving cover.
29 and the sliding contact member 30 on the fixed cover 28 side
Partition between the machining area 11 and the workpiece transfer area 12
But it is not limited to this. With partition means 10
Between the machining area 11 and the workpiece transfer area 12
Driven by the power to open the
It may be closed. For example, the machining area 11 and the workpiece
A cover is erected between the receiving area 12 and this cover.
Of the work placement device 9 between the splash guard 8
Jabber type, telescopic type, etc.
May be provided to surround the workpiece transfer area 12.
No. Then, the saddle 3 transfers the workpiece from the machining area 11 side.
As it moves to the top of region 12, the fluid pressure
The upper opening / closing cover is opened by the operation of the lid. Work
Is completed, and the saddle 3 moves to the processing area 11 side.
Then, the upper opening / closing cover is closed. Also,
The upper opening / closing cover is slightly higher on the splash guard 8 side.
When installed at an angle, chips, cutting fluid, etc.
It is even better because it easily falls to the processing area 11 side. In addition, rolling rollers are provided on the guide surfaces in the X-axis and Z-axis directions.
The explanation is given in the slip guide, but the slip guide and the static pressure guide
For example, another guide surface may be used. Further, the work placing device 9 is placed on the bed 7.
The whole is stored in the splash guard 8 of,
Some of them are outside the splash guard 8
Is also good. That is, the mounting portion 18 is located within the area occupied by the base.
As long as it can be moved to the work W transfer position
No. In this way, the installation area of the machine tool 1 is slightly larger.
Increase the number of mounting parts on which workpieces can be placed
be able to. The machine tool 1 is the same as that of the above-described embodiment.
Indicates one that can be moved in the Z-axis direction and the X-axis direction.
Moves in the Y-axis direction along with the Z-axis and X-axis directions
May be movable in three orthogonal directions. As the mounting portion 18 of the work mounting device 9,
The flat type in which the objects W are placed one by one is shown.
A so-called lift file for stacking one or more workpieces W
It may have a loading type mounting part. The work placement device 9 is the same as that described above.
In the embodiment, a plurality of mounting portions 18 are provided on the turntable 20.
Although a moving member (palette) having a mounting portion is shown in FIG.
Is connected in a chain by chains, etc.
It may be of the order type. As the work placing device 9, the transfer of the work
Although only one position is shown, the position
Provide two receiving positions, one from the chuck to the receiver
Position where the workpiece is passed
The receiving position may be the receiving position. The bed 7 has an inverted T shape in side view.
Although the explanation is given, the front bed 7b and the rear bed 7a
And a L-shape in side view. Further
In addition, a substantially rectangular shape in side view like the rear bed 7a
There may be. That is, the saddle 3 can be moved.
An inner surface and the like are provided, and the tool rest 5 can be fixed.
Beds are fine. However, such a substantially rectangular base
Chips, cutting at least in the lower part of the machining area
Collection means (for example, chip box, chip
And the area occupied by the substrate
At least the area occupied by the bed and the collection means
Become. The axial direction of the main shaft 2 is
In the form, it is vertical direction, but if it is inclined by a predetermined amount from vertical
Orientation may be used.
No. The sliding contact member is described as an elastic member such as rubber.
It is made of an elastically deformable thin metal plate
An elastic member made of an elastic member, a synthetic resin, or the like may be used.
Furthermore, the tip is formed in the shape of a brush to make it elastically deformable.
May be used. [0039] 【The invention's effect】According to the first aspect of the present invention,,processing
The area is covered by splash guards, partitioning means, etc.
Therefore, chips, cutting oil, etc. scatter outside the processing area
Nothing. In addition, the gap between the machining area and the workpiece transfer area
Chips and cutting oil during processing are separated by partitioning means.
Prevents scattering outside the processing area such as the workpiece transfer area,
The base is occupied so that the work placement device can be adjacent to the processing area.
The machine in the X-axis direction.
A compact machine tool that can reduce the footprint
realizable.further,Moving cover, fixed cover and slide
Realizing partitioning means with a simple structure just having contact members
And no power required, improving reliability
I do.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partial front sectional view showing a main part of an embodiment of a machine tool according to the present invention. FIG. 2 is a front view of the machine tool of FIG. FIG. 3 is a cross-sectional view taken along the line AA of FIG. FIG. 4 is a plan view showing a main part of the machine tool of FIG. 1; FIG. 5 is a side view of the machine tool shown in FIG. 1; 6 is a longitudinal sectional view showing a partitioning means of the machine tool of FIG. FIG. 7 is an operation state diagram showing an operation start point of the machine tool of FIG. 1; 8 is an operation state diagram showing a state where the headstock has moved upward in the Z-axis direction from the state of FIG. 7; 9 shows a state where the spindle is shifted from the state shown in FIG.
It is an operation state figure showing the state where it moved in the axial direction. 10 is an operation state diagram showing a state in which the main shaft has moved downward in the Z-axis direction from the state of FIG. 9 and has gripped the workpiece. 11 is an operation state diagram showing a state where the main shaft has moved upward in the Z-axis direction from the state of FIG. 10; 12 is an operation state diagram showing a state in which the spindle has moved in the X-axis direction from the state of FIG. 11 to the processing area side. 13 is an operation state diagram showing a state in which the main shaft is moved downward in the Z-axis direction from the state of FIG. 12 and a workpiece is being machined. [Description of Signs] 1 Machine tool 2 Spindle 3 Saddle 4 Headstock 5 Tool rest 7 Bed (base) 8 Splash guard 9 Work placement device 10 Partitioning means 11 Working area 12 Workpiece transfer area 15 Side opening 16 Side Opening / closing door 25 Chuck 26 Transfer position 28 Fixed cover 29 Moving cover 30 Sliding member 33 Opening F Plane W orthogonal to the direction of saddle movement

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-11-114701 (JP, A) JP-A-62-140704 (JP, A) JP-A-11-170101 (JP, A) JP-A-1- 103249 (JP, A) Japanese Utility Model Showa 57-23945 (JP, U) Japanese Utility Model Showa 61-81846 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B23B 3/20 B23B 15 / 00 B23B 25/00 B23Q 11/08

Claims (1)

(57) [Claim 1] A main shaft having an axis in a vertical direction, a movable table provided to be movable in a direction perpendicular to the axis of the main shaft with respect to a base of a machine tool, and A headstock that is provided to be movable in the direction of the axis of the spindle with respect to the moving table, and that supports the spindle so as to be rotatable around the axis . <br/> A spindle-moving vertical machine tool A cover device provided so as to cover at least a processing area of the vertical-spindle machine tool; and a plurality of mounts for mounting a workpiece in a workpiece transfer area adjacent to the processing area. The part is movably provided, a transfer position for transferring a workpiece between the chuck provided at the lower end of the spindle and the mounting part is in a region occupied by the base of the machine tool, and the axis of the spindle. A work placement device located on the movement trajectory of Moving table is moved in a direction perpendicular to the axis of the spindle, when the spindle is positioned in the working region side, and a partition means for partitioning said machining area and the workpiece transfer region
In the main spindle moving type vertical machine tool provided, the partitioning means includes the machining area and the workpiece transfer area.
Between the moving table and the moving direction of the moving table.
And when the moving table moves in the moving direction of the moving table,
Move the movable table between the processing area and the workpiece transfer area
Fixed cover with openings that are opened to allow
And a shape provided on the moving table and substantially matching the opening.
And extending in the moving direction of the moving table.
A movable cover having a sliding contact surface provided thereon, and a movable cover provided on the fixed cover, wherein the sliding cover has a sliding contact surface.
Sliding contact prevents scattered objects in the processing area from flying outside
And a sliding contact member that performs sliding .