JP2002103157A - Machine tool with tool changer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To locate a tool change position wherein a tool stored in a tool magazine is changed, in the rear of a machine. SOLUTION: A machine tool with a tool changer is so constructed heat a slider 10 is arranged on a bed for reciprocation in a first horizontal direction, a headstock 30 is arranged on the slider 10 for journaling a main spindle 31 whose tip is mounted with a releasable tool and for reciprocation in a vertical direction, a table 35 is arranged in the bed to carry a workpiece, and a means is provided to reciprocate the table 35 and the headstock 30 relatively in a second horizontal direction perpendicular to the first direction; and that a tool change is executed between a tool magazine 42 in which a plurality of tools are stored and the main spindle 31. The tool magazine 42 is arranged in the rear region of the bed in the first direction so as to be rotatable about a vertical axis for indexing. A control panel 49 housing a controller is fixed vertically on the rear end of the bed downstream in the first direction and extending in the second direction. The control panel 49 has a through space 57 in the first direction at a position opposed to the rear end of the tool magazine 42 in the first direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a machine tool provided with a tool changing device for automatically changing a tool mounted on a spindle.

[0002]

2. Description of the Related Art A table 101 on which a workpiece W is mounted.
Is mounted on a bed 102, and a saddle 1 is attached to the bed 102.
03 is movably supported in the X direction, and a column 104 is mounted on the saddle 103 so as to be movable in the Y direction.
04, a headstock 106 rotatably mounted on a spindle 105 on which a tool T for processing a workpiece W is removably mounted is movably mounted in the Z direction, and a tool T removably mounted on the spindle 105. The tool magazine 108 provided with a plurality of tool holders 107 for holding the respective tools is indexed and rotated about a vertical axis to index and position the selected tool holder 107 at the tool delivery position and position the tool with the spindle 105. There is a machine tool provided with a tool changing device provided with a tool changing device 109 for performing a change on a side surface of a column 104. In such a machine tool, when the tool T stored in the tool magazine 108 is replaced, the tool holding unit 1 that holds the tool T to be replaced is provided.
07 is indexed to a tool replacement position on the side of the machine tool, and the operator replaces the tool T held by the tool holding unit 107. Control panel 11 containing a control device for controlling a machine tool
0 is mounted at the rear end of the machine to avoid interference with the tool change position.

[0003]

In recent years, in order to improve the productivity, the layout is often changed in order to optimize the arrangement of a machine tool provided with a tool changing device in accordance with the type of the workpiece and the production amount. Has become. For example, when the production volume is large, a large number of machine tools are arranged side by side with a narrow interval, but in such a case, in the machine tool equipped with the above-mentioned conventional tool changing device, the tool is moved from the side tool replacement position to the side. There was a problem that the tool T stored in the magazine 108 could not be replaced. It is impossible to provide a tool change position behind the machine and install the control panel on the side of the machine because the control panel also has a door that opens and closes. In addition, there is a layout in which it is necessary to arrange the tool change position on the side of the machine, and a machine tool having a tool changing device having a tool change position on the rear side of the machine and on the side of the machine has been demanded.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and has made it possible to arrange a tool change position for changing a tool stored in a tool magazine at the rear of the machine.

[0005]

In order to solve the above-mentioned problems, the structural features of the present invention according to claim 1 are that a table on which a workpiece is mounted and a spindle on which a tool is detachably mounted are rotated. A machine tool provided with a tool changing device for mounting a freely movable bearing headstock on a base so as to be relatively movable, and performing a tool change between the main shaft and a tool magazine storing a plurality of tools. A control panel for storing a control device of a machine is fixed to the rear end of the base, and the control panel is opposed to a rear end portion of the tool magazine on the control panel in order to replace a tool stored in the tool magazine from behind the machine. That is, a through space is provided at the position.

A structural feature of the invention according to claim 2 is that a slider reciprocated in a horizontal first direction is mounted on a base, and a headstock reciprocated in a vertical direction is mounted on the slider. A table on which a workpiece is mounted at a front portion of the base in a first direction, the table being provided with a table on which a tool is detachably mounted; Means for relatively reciprocating in a second direction perpendicular to the first direction and a tool changer for performing a tool change between a tool magazine for accommodating a plurality of tools and the spindle. In a machine tool, the tool magazine is rotatably mounted around a vertical axis on a rear portion of the base in a first direction, and a control panel for storing a control device of the machine tool is provided in a rear part of the base in a first direction. At the end, perpendicularly to the rear end extending in the second direction. And, a tool accommodated in the tool magazine in order to replace the mechanical rear, first in a first direction trailing end portion opposite to the position of the tool magazine to the control board
This is to provide a through space in the direction.

According to a third aspect of the invention, there is provided a machine tool provided with the tool changer according to the first or second aspect, wherein the through space penetrates the control panel in a tunnel shape. That is, it is a provided through passage.

According to a fourth aspect of the present invention, in the machine tool provided with the tool changer according to the third aspect, the rear end portion of the tool magazine is located in the through passage. is there.

According to a fifth aspect of the present invention, there is provided a machine tool provided with the tool changer according to the first or second aspect, wherein the control panel is provided with the through space so that the base space is provided. A panel is fixed to the rear end of the table, and a through hole is formed in the panel at a position facing the rear end of the tool magazine for replacing a tool stored in the tool magazine from the rear of the machine, That is, a control panel divided into a plurality of sections is attached to a portion other than the through hole of the panel.

According to a sixth aspect of the present invention, there is provided a machine tool provided with the tool changing device according to any one of the first to fifth aspects, wherein the tool housed in the tool magazine is moved to the machine side. A gap is provided between the rear surface of the control panel or the rear surface of the panel and the rear end surface of the base so as to face the rear side portion of the tool magazine.

According to a seventh aspect of the present invention, there is provided a machine tool provided with the tool changing device according to any one of the first to sixth aspects, wherein the through space, the through passage, the through hole or the gap is provided. Door that opens and closes.

According to an eighth aspect of the present invention, in the machine tool provided with the tool changing device according to the seventh aspect, when the door is open, the tool changing operation of the machine tool is impossible. That is, an interlock is provided.

[0013]

According to the first aspect of the present invention, a table on which a workpiece is mounted and a headstock on which a spindle on which a tool is detachably mounted are rotatably mounted are provided. In a machine tool equipped with a tool changing device for performing tool change between a spindle and a tool magazine for storing a plurality of tools, the control panel for storing a control device of the machine tool is mounted on a table so as to be relatively movable. In order to replace the tools stored in the tool magazine from the rear of the machine fixed to the rear end of the base, a through space is provided in the control panel at a position facing the rear end of the tool magazine. A tool change position for changing a tool can be arranged at the rear of the machine.

According to the second aspect of the present invention, a slider which is reciprocated in a horizontal first direction is mounted on a base, and a main shaft on which a tool is detachably mounted is provided at a tip. The headstock that is reciprocated vertically in the bearing is mounted on the slider, and a table is provided on the base to mount the workpiece,
Means for relatively reciprocating the table and the headstock in a second direction perpendicular to the first direction in a horizontal direction, and for exchanging tools between a tool magazine for accommodating a plurality of tools and the main spindle. In a machine tool provided with a device, the tool magazine is rotatably mounted around a vertical axis on a rear portion of a base in a first direction, and a control panel for storing a control device is provided in a rear portion of the base in the first direction. Since the end is vertically fixed to the rear end extending in the second direction at the end, and the control panel is provided with a through space in the first direction at a position facing the rear end of the tool magazine in the first direction,
By arranging the tool change position for changing the tool stored in the tool magazine at the rear of the machine, a plurality of machines can be arranged side by side with a narrow interval.

According to a third aspect of the present invention, there is provided a machine tool provided with a tool changing device according to the first or second aspect, wherein a through-path is formed in a tunnel shape as a through space in a control panel. Since the through hole is provided, in addition to the effect of the invention described in claim 1 or 2, the tool change position can be changed only by fixing the control panel having the through passage to the rear end of the base. It can be provided behind the machine.

According to a fourth aspect of the present invention, there is provided a machine tool provided with a tool changer according to the third aspect, wherein a rear end portion of the tool magazine is provided in a through-passage provided on a control panel. , The length of the machine tool can be reduced.

According to a fifth aspect of the present invention, there is provided a machine tool provided with the tool changing device according to the first or second aspect, wherein a panel is fixed to a rear end of the base. A through-hole is formed in the panel at a position facing the rear end of the tool magazine, and a plurality of control panels are attached to portions of the panel other than the through-hole. In addition to the effects of the invention described in item 2,
The tool change position can be provided behind the machine with a simple configuration.

According to a sixth aspect of the present invention, there is provided a machine tool provided with the tool changing device according to any one of the first to fifth aspects, wherein the rear surface of the control panel or the rear surface of the panel is provided. A gap is provided at the position opposite to the rear side of the tool magazine between the rear end of the base and the tool magazine. Can be arranged.

According to a seventh aspect of the present invention, there is provided a machine tool provided with a tool changer according to any one of the first to sixth aspects, wherein a tool stored in a tool magazine is replaced. For through space, through passages,
Since a door that opens and closes the through hole or gap is provided, the movable part can be shut off from the operator for safety,
It is possible to prevent chips, coolant and the like from scattering outside the machine.

According to an eighth aspect of the present invention, there is provided a machine tool provided with the tool changer according to the seventh aspect, wherein a through space and a through path for changing a tool stored in a tool magazine are provided. When the door that opens and closes the through hole or the gap is open, an interlock that prevents the tool change operation of the machine tool is provided, so that the operator performs tool change during the tool change operation of the machine tool. Can be reliably prevented.

[0021]

In FIG. 2, reference numeral 1 denotes a U-shaped cross section of a machine tool having a vertical main spindle. A pair of side walls 3 are erected upward from both side ends of a bottom portion 2. An operation space 4 is formed therebetween, and a horizontal mounting surface 5 is formed on the upper surface of each side wall 3. The base 6 is fixed on the mounting surface 5 of the bed 1 to form a base 36. Base 6
Are formed with a pair of first guide portions 7 respectively fixed on the horizontal mounting surfaces 5 of the pair of side walls 3. Both ends of the pair of first guide portions 7 are connected by a connecting portion 8, and the first guide portions 7
A through space 9 connected to the operation space 4 is provided at a central portion surrounded by the connecting portion 8. Reference numeral 10 denotes a first slider mounted on the base 6 so as to be slidable in a first direction parallel to the side wall 3 in a horizontal direction. A pair of first slide portions 11 provided on the first slider 10 includes Each of the guides 7 is mounted so as to be movable in a first direction. That is, a pair of first
A pair of first guide rails 12 are provided on each upper surface of the guide portion 7.
The first guide rails 12 extend in the respective directions.
The first slide portions 11 are respectively movably supported. Both ends of the pair of first sliding portions 11 are connected by a pair of second guiding portions 13 respectively, and a through space portion 14 is formed in a central portion surrounded by the first sliding portion 11 and the second guiding portion 13. I have. Reference numeral 15 denotes a first driving device for moving the first slider 10 in the first direction. It has a pair of ball screws 16 and a pair of feed nuts 17 screwed to the pair of ball screws 16 and respectively attached to the pair of first slide portions 11. The pair of ball screws 16 are driven to rotate by servo motors 18 fixed to the pair of first guide portions 7, respectively.

Reference numeral 20 denotes a second slider mounted on the first slider 10 so as to be slidable in a second direction perpendicular to the first direction and horizontal. A pair of second slide portions provided on the second slider 20 is provided. 21 is mounted on the second guide portion 13 so as to be movable in the second direction. That is, a pair of second guide rails 22 are respectively provided on the upper surfaces of the pair of second guide portions 13 in the second direction, and the second slide portions 21 are movably supported on the pair of second guide rails 22, respectively. Have been. Both end portions of the pair of second slide portions 21 are connected to each other, and a third guide portion 23 extending in the vertical direction is connected. A passage 24 is provided at the center of the second slider 20 so as to be in contact with the third guide portion 23 and open toward the through space 14. 25
Is a second driving device for reciprocating the second slider 20 in the second direction. The second driving device is arranged on the upper surfaces of the pair of second guide portions 13 along with the second guide rails 22 so as to be rotatable outside in the second direction. A pair of ball screws 26 and a pair of ball screws 2
6 and a pair of feed nuts 27 respectively screwed to the pair of second slide portions 21. The pair of ball screws 26 are each driven to rotate by a servo motor 28 fixed to the pair of second guides 13.

Reference numeral 30 denotes a headstock which rotatably supports a spindle 31 driven by a motor 37 so as to be rotatable. It is mounted so that it can move through it. 3
Reference numeral 3 denotes a third driving device for moving the headstock 30 in the vertical direction, and a head screw 3 which is rotatably supported by the third guide portion 23 and is rotationally driven by a servomotor 34.
The feed nut fixed to 0 is screwed.

Reference numeral 35 denotes a table on which the workpiece W is mounted. The table 35 is provided below the mounting surface 5 in the operation space 4 at the front of the bottom 2 of the bed 1 in the first direction. Headstock 30
The second slider 20 is slidably mounted on the first slider 10 in the second direction so as to relatively move the table and the table 35 in a second direction perpendicular to the first direction. 25
When the headstock 30 is slidably mounted on the first slider 10 in the vertical direction without providing the slider 20, the table 35 for mounting the workpiece W is mounted on the bottom 2 of the bed 1 in the second direction.
It is mounted so as to be slidable in the direction, and is reciprocated by a driving device.

As shown in FIGS. 3 and 4, a plurality of tool holding portions 41 each holding a tool T are provided on the outer periphery, and a tool magazine 42 for storing a plurality of tools is provided at a rear portion of the base 6 in the first direction. It is supported rotatably about a vertical axis via a support 53. Reference numeral 43 denotes a rotary drive for indexing and rotating a tool magazine 42, indexing and positioning the selected tool holding portion 41 to a tool transfer position 44, and setting a tool change position 4 to a tool change position 4.
The tool is exchanged with the main shaft 31 positioned at position 5. The tool magazine 42, the rotation driving device 43, the support table 53, and the like constitute a tool changing device 46. A cover 47 separates the operating space 4 into a front chamber provided with a table 35 on which a workpiece W is mounted and a rear chamber provided with a tool changing device 46. The coolant and chips are applied to the tool changing device 46. Is preventing that.
An opening / closing door 48 is provided on a part of the cover 47 so that the spindle 31 can be moved to a tool changing position 45 at the time of tool changing.

Reference numeral 49 denotes a control panel for accommodating a control device of the machine tool, which is vertically fixed to a lower rear end face 55 extending in the second direction at the rear end of the bed 1 in the first direction. Tool magazine 4
In order to replace the tool T stored in the second from the tool change position 72 at the rear of the machine, a through space 57 in the first direction is provided on the control panel 49 at a position facing the first direction rear end portion 56 of the tool magazine 42. Have been. That is, as shown in FIG. 5, the control panel 49 includes a rear end portion 5 of the tool magazine 42 in the first direction.
A through path 58 is provided at a position facing the first through hole 6 in a tunnel shape in the first direction. The wall of the passage 58 is a thin plate 5
9, which blocks the inside of the control panel 49 from the through path 58. The rear end opening of the through passage 58 is opened and closed by a double door 60. Reference numeral 54 denotes a limit switch that is turned on by the door 60 when the door 60 closes the through passage 58, and is turned off when the door 60 is open, and operates as an interlock that disables a tool changing operation of the machine tool. . If the door 60 is opened during automatic operation of the machine tool due to this interlock, all operations of the machine are stopped, or machining by the relative movement between the spindle 31 and the workpiece W is performed until a tool change operation is commanded. The operation is continued, and when a tool change command such as rotation of the tool magazine 42 is issued, the operation of the machine is stopped and the tool change operation cannot be performed. In addition, when the machine tool is operated individually, a tool change operation such as rotation of the tool magazine 42 cannot be performed. As shown in FIGS. 3 and 4, the first direction rear end portion 56 of the tool magazine 42 is positioned in the through passage 58, and the first direction rear end portion 56 of the tool magazine 42 is inserted through the rear end opening of the through passage 58. And the length of the machine tool in the first direction is shortened.

Inside the control panel 49, upper and lower chambers 61, 62 and left and right chambers 63, 64 are formed around the through path 58, and control devices 65, 66 are housed in the upper and lower chambers 61, 62. Wiring 67 connecting control devices 65 and 66 is passed through 63 and 64. Openings 68 and 69 are provided on the front surfaces of the upper and lower chambers 61 and 62, and the openings 68 and 69 are open doors 7.
0, the door 71 is opened and closed.

In order to change the tool T stored in the tool magazine 42 from the tool change position 73 on the side of the machine, a tool magazine 42 is provided between the rear surface of the control panel 49 and the rear end of the bed 1 in the first direction. Air gap 7 at the position facing the rear side
4 are provided. A lower rear end surface 55 to which the control panel 49 is fixed is formed at a rear end surface of the bottom portion 2 of the bed 1 in the first direction, and a notch is formed upward at a rear end portion of the side wall 3 on both sides of the bed 1 in the first direction. A space 74 is formed between the control panel 49 and the rear surface of the control panel 49. The gap 74 is closed by a cover 76 provided with an opening door 75, and the opening of the opening door 75 allows the tool T stored in the tool magazine 42 to be replaced from the side of the machine. Reference numeral 77 denotes a limit switch, which is turned off when the opening door 75 is in an open state, and operates as an interlock which disables a tool changing operation.

In the embodiment configured as described above,
The workpiece W is mounted on the table 35, and the servo motors 18, 28, 34 rotate based on commands from the control devices 65, 66, and rotate the ball screws 16, 26 and the like. As a result, the first slider 10 is moved in the first direction, the second slider 20 is moved in the second direction, and the headstock 30 is moved vertically, and the tool T mounted on the main shaft 31 performs desired processing on the workpiece W. .

When a tool change command is issued from the control devices 65 and 66, the tool magazine 42 is indexed and rotated by the rotary drive device 43, and the empty tool holding portion 41 is moved to the tool transfer position 4
The index position is set to 4. The spindle 31 is positioned at a tool change start position which is the same position as the tool change position 45 in the X and Z axis directions. Subsequently, the door 48 of the cover 47 is opened, and the first slider 10
The main shaft 31 is moved to the tool changing position 45, and the tool T mounted on the main shaft 31 is moved to the tool holding portion 41.
The spindle 31 releases the tool T, the headstock 30 is raised by the servomotor 34, and the tool T mounted on the spindle 31 is delivered to the tool holding unit 41. The tool magazine 42 is indexed and rotated by the rotation driving device 43,
Next, the tool holding portion 41 holding the tool T to be used is indexed and positioned at the tool delivery position 44, the headstock 30 descends, and the tool T is mounted on the spindle 31. The first slider 10 is moved in the Y-axis direction toward the tool change start position, the tool T is detached from the tool holding part 41, and is moved to the processing position via the tool change start position to process the workpiece W. I do.

When a large number of machine tools are arranged side by side with a small interval and the tool T stored in the tool magazine 42 is changed in a state where the tool change position is set at the rear side of the machine, the control devices 65 and 66 are used. The tool magazine 42 is indexed and rotated by the rotary drive unit 43 so that the tool holding unit 41 holding the tool T to be replaced in each individual operation state is indexed to the tool replacement position 72. The door 60 is opened from behind the machine, the tool T is removed from the tool holding portion 41 indexed to the tool replacement position 72 through the through path 58, and a new tool T is mounted on the tool holding portion 41. The door 60 is closed, the control devices 65 and 66 are switched to the automatic operation, and the processing is continued. When replacing the tool T stored in the tool magazine 42 in a layout that requires the tool replacement position to be arranged on the left side of the machine, the tool holding unit 41 holding the tool T to be replaced is moved to the left side of the machine by the tool holder. Index to the replacement position 73. The door 75 is opened from the left side of the machine, the tool T held by the tool holding unit 41 indexed to the tool change position 73 is replaced with a new tool T, the door 75 is closed, and the operation is restarted.

A second embodiment in which a through space 57 is provided in the control panel 49 at a position facing the rear end portion 56 of the tool magazine 42 in the first direction in order to replace the tool T stored in the tool magazine 42 from behind the machine. Will be described. In FIG. 6, reference numeral 78 denotes a panel fixed vertically to the lower rear end surface 55 of the bed 1, and the panel 78 is provided with the first magazine of the tool magazine 42.
A through-hole 80 is formed at a position facing the rear end portion 56 in the direction, and the through-hole 80 is opened and closed by an opening door 81. The tool T stored in the tool magazine 42 is replaced through a through hole 80 from a tool replacement position 79 at the rear of the machine. Reference numeral 82 denotes a limit switch, which is turned off when the door 81 is open, and operates as an interlock that disables a tool changing operation.

Control panels 83 and 84 are mounted on the panel 78 at positions above and below the through-hole 80. The control panels 83 and 84 accommodate control devices 85 and 86, respectively. Reference numeral 87 denotes a communication hole formed in the lower corner of the upper control panel 83 and the lower control panel 8.
A wiring duct for connecting the control devices 85 and 86 is passed through a wiring duct connecting the communication hole formed in the upper corner of the upper surface 4 with the communication hole. Openings 89 and 90 are provided on the front surfaces of the control panels 83 and 84, and the openings 89 and 90 are double-open doors 91 and open doors 9 respectively.
2 to open and close. Tool magazine 4
In order to replace the tool T stored in the second from the tool change position 73 on the side of the machine, the back of the panel 78 and the first
A space 74 is provided between the rear end face in the direction and the rear side of the tool magazine 42 at a position facing the rear side, but the description is omitted because it is the same as that of the control panel 49 described above.

In the second embodiment, the control panels 83 and 84 are attached to the panel 78 fixed to the lower rear end face 55 of the bed 1.
Is fixed, the lower control panel 84 is directly fixed to the lower rear end face 55 of the bed 1, and the upper control panel 83 is attached to and supported by the lower control panel 84 by the wiring duct 87. Is also good.

In the above embodiment, the first slider 10 is mounted on the base 36 so as to be slidable in the first horizontal direction.
A second slider 20 is mounted on the first slider 10 so as to be slidable in a second direction perpendicular to the first direction and horizontally, and a headstock 30 bearing a main shaft 31 on the second slider 20 is vertically mounted. Although mounted slidably, a saddle is slidably mounted in a second direction on a base, and a column (slider) is mounted on the saddle.
May be slidably supported in the first direction, and a headstock that rotatably supports the main shaft on the column may be slidably supported in the vertical direction.

In the above embodiment, the first slider 10 is mounted on the base 36 so as to be slidable in the first horizontal direction.
A second slider 20 is mounted on the first slider 10 so as to be slidable in a second direction perpendicular to the first direction and horizontally, and a headstock 30 bearing a main shaft 31 on the second slider 20 is vertically mounted. Although slidably mounted, a column (slider) is slidably supported on the base in the first direction, and a headstock that rotatably supports the spindle on the column can be slid vertically. The table on which the workpiece is to be mounted is
You may make it slidably support in a direction.

In the above embodiment, the tool magazine 4
The tool transfer position 44 and the tool change position 45 of the main shaft 31 are matched with each other, and the main shaft 31 directly performs tool change between the tool holding portion 41 of the tool magazine 42. The tool T is separated from the position 45, the tool T is gripped at both ends, and the tool T is lowered. The tool T is turned by 180 degrees and raised to be indexed to the tool T mounted on the spindle 31 positioned at the tool changing position and the tool transfer position. A tool exchange arm for simultaneously exchanging the tool T held by the tool holding section 41 with the tool T may be interposed.

[Brief description of the drawings]

FIG. 1 is a side view of a machine tool provided with a conventional tool changer.

FIG. 2 is a perspective view showing an embodiment of a machine tool provided with a tool changing device according to the present invention.

FIG. 3 is a side view of FIG. 2;

FIG. 4 is a plan view of FIG. 2;

5 is an enlarged view in the direction of arrow IV in FIG. 2;

FIG. 6 is a diagram showing a second embodiment of the control panel.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Bed, 2 ... Bottom part, 3 ... Side wall, 4 ... Working space, 5 ...
Mounting surface, 6: base, 7: first guide portion, 8: connecting portion, 9
... penetrating space, 10 ... first slider (slider), 1
DESCRIPTION OF SYMBOLS 1 ... 1st slide part, 13 ... 2nd guide part, 14 ... penetration space part, 15 ... 1st drive device, 20 ... 2nd slider, 21
... Second slide part, 23... Third guide part, 24.
5 2nd drive device, 30 ... headstock, 31 ... spindle, 33 ...
Third drive unit, 35 table, 36 base, 37 motor, 41 tool holder, 42 tool magazine, 43
Rotary drive 44, tool transfer position, 45 tool exchange position, 49, 83, 84 control panel, 54, 77, 82 limit switch (interlock), 57 penetration space,
58 through-hole, 60, 75, 81 ... door, 61, 62 ... upper and lower chamber, 63, 64 ... left and right chamber, 65, 66, 85, 86 ...
Control device, 72, 73: tool change position, 74: gap, 8
0: through hole, T: tool, W: workpiece.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yoshihiro Arai 1-1-1, Asahi-cho, Kariya-shi, Aichi Toyota Machine Works Co., Ltd. (72) Inventor Tomoichi Takayama 1-1-1, Asahi-cho, Kariya-shi, Aichi Toyoda Machine F term in reference (reference) 3C002 AA03 BB07 DD01 GG03 JJ03 JJ08 KK04 LL01

Claims (8)

[Claims] 1. A table on which a workpiece is mounted and a headstock rotatably mounted on a spindle on which a tool is removably mounted are mounted on a base so as to be relatively movable on the base, and the spindle and a plurality of tools are mounted on the base. In a machine tool provided with a tool changing device for performing tool exchange with a tool magazine that stores therein, a control panel that stores a control device of the machine tool is fixed to the rear end of the base, and stored in the tool magazine. A machine tool provided with a tool changer, wherein a through space is provided in the control panel at a position facing a rear end portion of the tool magazine in order to replace a tool from behind the machine. 2. A slider that is reciprocated in a first direction is mounted on a base, a headstock that is reciprocated in a vertical direction is mounted on the slider, and a tool is detachably attached to a tip of the headstock. A table on which a workpiece is mounted is provided on a front portion of the base in a first direction, and a second table which is horizontal to the first direction at right angles to the first direction. A machine tool provided with means for relatively reciprocating in a direction, and a tool changer for performing tool change between the main spindle and a tool magazine for accommodating a plurality of tools, wherein the tool magazine is mounted on a A rear end portion extending in the second direction at a rear end of the base in a first direction, mounted on a rear portion in one direction so as to be indexable and rotatable around a vertical axis and accommodating a control device of the machine tool; The tool stored vertically in the tool magazine A machine tool provided with a tool changing device, wherein a through space in a first direction is provided in the control panel at a position facing a rear end portion of the tool magazine in a first direction for replacement from the rear of the machine. 3. A machine tool provided with the tool changing device according to claim 1, wherein the through space is a through passage provided through the control panel in a tunnel shape. Machine tool equipped with a tool changer. 4. A machine tool provided with a tool changing device according to claim 3, wherein said rear end portion of said tool magazine is located in said through passage. . 5. A machine tool provided with the tool changing device according to claim 1, wherein a panel is fixed to the rear end of the base in order to provide the through space in the control panel. A through hole for exchanging a tool stored in the tool magazine from the rear of the machine at a position facing the rear end of the tool magazine in the panel, and a plurality of holes in a portion other than the through hole of the panel. A machine tool provided with a tool changer, comprising a control panel divided into two sections. 6. A machine tool provided with a tool changing device according to claim 1, wherein a rear surface of said control panel is used for changing a tool stored in said tool magazine from a side of the machine. Alternatively, a machine tool provided with a tool changing device, wherein a gap is provided between a rear surface of the panel and a rear end surface of the base at a position facing a rear side portion of the tool magazine. 7. A machine tool provided with the tool changing device according to claim 1, further comprising a door for opening and closing the through space, the through path, the through hole, or the gap. Machine tool equipped with a tool changer. 8. A machine tool provided with the tool changing device according to claim 7, wherein an interlock is provided that disables a tool changing operation of the machine tool when the door is open. Machine tool equipped with a tool changer.