JPH10286714A - Control panel suspending device of machine tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To rotate and fix an angle of a pendant arm and a direction of a control panel in a direction for easy operation, by oscillatably pivotting one edge of the pendant arm to a carriage, and rotatably suspending the control panel to the other edge. SOLUTION: A carriage 29 is movable in a horizontal direction on a guide rail 23 through a linear motion bearing 31, and a pendant arm 37 can be oscillated and fixed on a lower oscillation shaft 33 and an upper oscillation shaft 44 coaxial with the lower oscillation shaft 33. A hollow cylindrical rotary shaft 57 to be fitted to an outer diameter of a rotary shaft 55, is installed in a vertical direction, on a lower face of the pendant arm 27. Further a ring- shaped stopper member 59 is mounted on an upper edge part of the rotary shaft 55 by a fastening means such as a bolt, and a control panel 25 is suspended from the rotary shaft 57 mounted on the pendant arm, in such manner that it can be rotated and fixed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control panel suspension device for a machine tool.

[0002]

2. Description of the Related Art For example, Japanese Unexamined Utility Model Publication No. 60-100114 discloses a slide for operating the above-mentioned plate material processing apparatus which is movable along the direction in which the worker moves on the side of an operator of a frame of the plate material processing machine. An example in which a shape control box is provided is disclosed.

[0003]

SUMMARY OF THE INVENTION
Slide type control box (35) for operating the plate processing machine (1) disclosed in Japanese Patent Publication No. 0114
{Equivalent to the operation panel suspension device of the present invention} is provided movably along a guide rod (19) attached to the front surface of the front frame (13) of the plate material processing machine (1). There is no means for fixing the control box (35) to the guide rod (19).

[0004] Therefore, if an operator inadvertently leans on the control box (35), the control box (35) moves, and there is a danger that the operator may fall and get injured.

In general, when operating a machine tool, an operator needs to operate an operation panel near a work position.
It is necessary to change the operation position and the operation direction of the operation panel.
In particular, there is a great need for a machine tool having a wide working range such as a shearing device or a press brake.

[0006] The operation panel suspension device according to the above-mentioned need,
From the viewpoint of operability, both the operation position and operation direction of the operation panel,
It is desirable that it can be easily changed by an operation at hand of an operator. Further, it is necessary that a safety design is made so that the operation panel does not move when the operator inadvertently or unintentionally contacts the operation panel.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a pendant type carriage on a carriage provided with a front side (front side) of a machine tool movably in the left-right direction. An operation panel suspension device for a machine tool having an operation panel, wherein a pendant arm supporting the operation panel is swingably fixed to the carriage, and the operation panel suspended from a tip of the pendant arm is rotationally fixed. An object of the present invention is to provide an operation panel suspension device for a machine tool that is freely provided.

[0008]

According to a first aspect of the present invention, there is provided an apparatus for suspending a control panel of a machine tool according to the first aspect of the present invention, which is provided at a front position of a front frame of the machine tool so as to be movable in a horizontal direction. In the operation panel suspension device, a guide rail is provided horizontally on the front frame, a carriage movably engaged with the guide rail is provided, and one end of a pendant arm is swingably supported on the carriage and the other end is provided. A first fixing means for rotatably suspending an operation panel on the section and fixing and opening a carriage to the guide rail; and a second fixing means for swinging and fixing one end of the pendant arm to the carriage. And a third fixing means for rotatably fixing the operation panel.

According to a second aspect of the present invention, in the first aspect of the present invention, the first fixing means comprises a pair of first and second holding means which constantly hold the guide rail by an urging force of an elastic machine. Is provided on the carriage, and one end of a control wire for releasing the urging force of the pair of clamp claws is connected to a manual lever provided on the operation panel. The end is connected to one handle of the pair of clamp claws, and the second fixing means is provided with a lock lever capable of pressing and fixing the swing shaft of the pendant arm at the tip end of the pendant arm. The third fixing means includes a lock lever which is rotatably fitted to a rotation shaft provided on the pendant arm and which can press and fix a rotation shaft provided on the operation panel. It is an Abstract that formed by providing the rotation axis of the arm.

Therefore, according to the first or second aspect of the present invention, the operator who operates the machine tool can move the operation panel to the vicinity of the operation position as required, and at the same time, the operator can operate the machine tool. The operator can fix the direction of the operation panel in a direction that is easy to operate at the hand of the user to perform an efficient operation. In addition, since the position or direction of the operation panel can be fixed by each fixing means, even if the operator inadvertently leans on the operation panel, the operation panel moves and the worker falls over, It can prevent you from getting injured.

According to a third aspect of the present invention, there is provided an apparatus for suspending a control panel of a machine tool, wherein the guide rail is provided on the front frame of the front panel of the machine tool. A carriage provided horizontally and movably engaged with the guide rail, one end of a pendant arm is pivotably supported on the carriage, and an operation panel is rotatably suspended at the other end, The first that can fix the movement of the carriage with respect to the guide rail
, A second fixing means capable of fixing the swing of the pendant arm, and a third fixing means capable of fixing the rotation of the operation panel with respect to the pendant arm. The gist is that a collective fixing releasing means capable of fixing and releasing the second and third fixing means collectively is provided on the operation panel.

According to a fourth aspect of the present invention, there is provided the machine tool operating panel suspension device according to the third aspect, wherein the first fixing means includes an urging force of an elastic machine. The carriage has a pair of clamp claws that constantly grip the guide rail, and one end of a control wire for releasing the urging force of the pair of clamp claws is connected to a manual lever provided on the operation panel. And the other end of the control wire is connected to one handle of the pair of clamp claws, and the second fixing means locks the rotation of the swing shaft of the pendant arm. A locking pin is provided by pressing against the pivot shaft, and the third fixing means presses the locking pin for locking the rotation of the rotation shaft of the operation panel against the rotation shaft of the pendant arm. The collective fixing release means The first is for the subject matter to become attached at the manual lever and the control wire provided in the locking pin and the control panel of the second and third fixing means.

Therefore, according to the third or fourth aspect of the present invention, the same effects as those of the first and second aspects of the invention can be obtained, and the second and third fixing means can be collectively fixed and released. The means can be fixed or released collectively by means, so that the operability is better than the case where the fixing is released individually.

[0014]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an example in which a control panel suspension device according to the present invention is provided in a shearing device, and shows a front view of the shearing device.

Referring to FIGS. 1 and 2, left and right (in FIG. 1) side frames 3L,
The 3R is connected by a lower front frame 5 and an upper front frame 7 on the front side (see definition below). In addition, the front side (front side) of the shearing device 1 is the same as FIG.
, The left side is called the front side and the right side is called the rear side. That is, the side on which the operator operates the operation panel of the shearing device operation 1 is the front side.

In FIG. 2, a table frame 9 is provided on the front side (front side) of the lower front frame 5, and a front table 11 for supporting a plate W is provided on the table frame 9. Further, an upper shearing blade (upper blade) 15 is provided below the ram 13 which moves up and down along the upper front frame 7 by a driving device (not shown). The front table 11 has the upper shearing blade (upper blade). A lower shearing blade (lower blade) 17 for shearing the plate material W in cooperation with (15) is fixed. The space indicated by reference numeral 19 is a gap provided on the front side (in FIG. 2) of the side frames 3L and 3R.

In the above configuration, the plate material W is inserted between the upper shear blade (upper blade) 15 and the lower shear blade (lower blade) 17, and the plate material W is brought into contact with a back gauge (not shown) to cut the plate. Is determined, and the upper shear blade (upper blade) 15 is lowered by the drive device (not shown), whereby the plate material W can be sheared to an appropriate width.

At the front (front side) of the upper front frame 7 of the shearing device 1, the left and right sides of the shearing device 1 (FIG.
The guide rail 23 extending to the vicinity of the end of (2) is horizontally mounted. The guide rail 23 has a carriage 29 for pivotally supporting a pendant arm 27 for suspending an operation panel 25 containing an input section for inputting various processing conditions and an operation section for controlling the machine. Are provided on the guide rail 23 via a linear motion bearing 31 so as to be movable in the horizontal direction.

The carriage 29 is provided with a lower swing shaft 33 and an upper swing shaft 41 for supporting the pendant arm 27. A lower plate 35, a bearing support plate 37 for mounting the linear motion bearing 31;
9. The upper plate 43 is all integral and forms the framework of the carriage 29. The upper swing shaft 41 provided coaxially with the lower swing shaft 33 is provided with a circular flange 51. The guide rail 23 of the carriage 29 is provided on the guide rail 23 side of the bearing support plate 37.
A first fixing means 47 for fixing the movement with respect to. The details of the first fixing means 47 will be described later.

The lower oscillating shaft 33 provided on the lower plate 35 is formed in a hollow cylindrical shape with a step. Below the lower oscillating shaft 33, a shaft portion 49 having a diameter larger than that of the lower oscillating shaft 33. Is formed. A cable conveyor 36 for supporting electric wiring connected to the operation panel 25 is attached to the lower surface of the lower plate 35 on the guide rail 23 side. Further, below the cable conveyor 36, a wiring duct 38 to the cable conveyor 36 is provided extending left and right along the upper front frame 7.

The cross-sectional shape of the pendant arm 27 is a hollow cylinder, through which electric wiring can be passed. At one end of the pendant arm 27, a sliding hole rotatably fitted to the upper swing shaft 41 and the lower swing shaft 33 and a hollow cylindrical rotating shaft 53 are integrally provided. is there.

In the above configuration, the carriage 29 can be moved horizontally on the guide rail 23 via the linear motion bearing 31, and the pendant arm 2
7 can be rocked (rotated) about a lower rocking shaft 33 and an upper rocking shaft 41 coaxial with the lower rocking shaft 33.

An operation panel 25 is rotatably suspended from the other end of the pendant arm 27. That is,
On the upper part of the operation panel 25, a rotary shaft 55 of a hollow cylinder provided with a mounting flange portion 56 is integrally provided by fastening means such as bolts or welding, while the lower surface of the pendant arm 27 is provided. , A hollow cylindrical rotary shaft 57 fitted to the outer diameter of the rotary shaft 55 is vertically provided.

A ring-shaped locking member 59 is attached to the upper end of the rotating shaft 55 by fastening means such as a bolt, and the operation panel 25 can be rotated by the rotating shaft 57 provided on the pendant arm 27. Hanged on. An antifriction member 63 for reducing friction, such as a bush with a flange, is inserted into a portion where the rotation shaft 55 and the rotation shaft 57 slide. Therefore, the operation panel 25 can be rotated with a small force with respect to the rotation shaft 55.

Next, the second fixing means 69 for fixing the swing (rotation) position of the pendant arm 27 will be described in detail. As shown in FIGS. 3 to 5, a lock lever 71 for fixing or releasing the swing (rotation) position of the pendant arm 27 is provided on the upper surface of the pendant arm 27 of the shearing device 1. It is provided on the operation panel 25 side (operator side) that is hung from the vehicle. The lock lever 71 has an extension bar 73 provided on the pendant arm 27 so as to extend in the direction of the carriage 29, and a bearing member 75 provided on the pendant arm 27.
And a nut member 77 so as to be rotatable. A screw portion 79 is provided at the tip of the extension bar 73, and is screwed to the nut member 77. By rotating the lock lever 71 clockwise or counterclockwise, the tip of the screw portion 79 and the flange portion 51 of the upper swing shaft 41 are provided so as to be engaged or disengaged.

With the above structure, when the operator releases the lock lever 71 provided on the pendant arm 27, the screw 79 at the tip of the extension bar 73 engages with the flange 51 of the upper swing shaft 41. Is released, and the position of the pendant arm 27 can be rotated to a desired position. When fixing the position of the pendant arm 27,
When the lock lever 71 is tightened, the screw portion 79 is engaged and pressed by the flange portion 51 of the upper swing shaft 41 and can be easily fixed.

Next, the third fixing means 82 for fixing the turning position of the operation panel 25 will be described. Referring to FIGS. 3 to 5, the relative rotation between the rotation shaft 57 and the rotation shaft 55 is fixed or fixed to the outer diameter portion of the rotation shaft 57 vertically suspended from the pendant arm 27. In order to release, a push screw portion provided integrally with the lock lever 81 is screwed into a screw hole of the rotating shaft 57. Therefore, the lock lever 8
By loosening 1, the position of the operation panel 25 fixed integrally with the rotation shaft 55 can be rotated to a desired position.
When the lock lever 81 is tightened, the position of the operation panel 25 can be fixed at a desired position.

Finally, referring to FIGS. 3 to 5 and 6, the first fixing means 47 of the carriage 29 which moves on the guide rail 23 right and left (in FIG. 1).
Will be described in detail. As described above, the carriage 29 is provided with the first fixing means 47 for fixing the carriage 29 to the guide rail 23. The first fixing means 47 has the following configuration.

A pair of clamp claw support members 83 are provided on the guide rail 23 side of the bearing support plate 37 provided on the carriage 29, and a pair of clamp claws 85 capable of gripping the guide rail 23 are provided on the clamp claw support members 83. It is pivotally supported by a pin 87 so that it can be opened and closed. The handle 89 of the clamp claw 85 extends through the hole 86 provided in the bearing support plate 37 toward the pendant arm 27. Then, between the handles 89 of the pair of clamp claws 85, in the direction in which the clamp claws 85 close, that is, the clamp claws 85 are
3 in the direction of gripping, the spring 91 such as a coil spring.
Always energized by.

A control wire 93 penetrating through the bullet 91 is fixed to a part of the handle 89 of one of the pair of clamp claws 85 by a fastening member such as a bolt and a nut via a wire fixing member 95. I have. One terminal 97 of a flexible tube 96 for guiding a control wire 93 is fixed to a handle 89 of the other clamp claw 85.

A flexible tube 96 for guiding the control wire 93 passes through the hollow lower swinging shaft 33, the pendant arm 27, and the rotating shaft 55, and is externally connected to the operation panel 25. The other terminal 1 of the flexible tube 96 is guided to the side surface and is connected to a terminal fixing member 99 provided on the outer side surface of the operation panel 25.
01 is fixed.

The terminal fixing member 99 is provided with a rod-shaped handle 103 which is vertically extended so that an operator can grasp it by hand when operating the operation panel 25. The rod-shaped handle is provided on both sides of the operation panel 25.
Furthermore, the terminal 1 of the flexible tube 96 fixed to the terminal fixing member 99 is attached to the terminal fixing member 99.
A wire fixing member 105 for fixing an end of the control wire 93 protruding from the terminal 01 is swingably provided on a shaft 106 provided on the terminal fixing member 99. The wire fixing member 105 is provided with the wire fixing member 105. Manual lever 10 for swinging around the shaft 106
7 is provided integrally with the shaft 106.

The terminal fixing member 99 has a stopper 10 for adjusting the return position of the wire fixing member 105.
9 is provided so as to be able to cope with the control wire 93 extending.

With the above configuration, the clamp claw 85 normally holds the guide rail 23 and fixes the carriage 29 to the guide rail 23 by the urging force of the elastic unit 91, and the operator normally operates the above-mentioned operation. When the manual lever 107 is gripped by holding the handle 103, a pair of clamp claws 85 gripping the guide rail 23 against the urging force of the ammunition 91 via the control wire 93 are opened, and the The carriage 29 is movable with respect to the guide rail 23.

FIGS. 8 and 9 show another embodiment of the operation panel suspension device for a machine tool. The first
Since the fixing means is the same as the first fixing means 47 except that the wiring route of the control wire 93 is different, the same reference numerals are given to the same parts and the description thereof will be omitted.

Hereinafter, the second and third fixing means 111 and 211 according to this another embodiment will be described.
In FIGS. 8 and 9, parts other than the parts of the second and third fixing means 111 and 211 are the same as those shown in FIGS. The same reference numerals are given and the description is omitted.

The second fixing means 111 is for fixing the swing (rotation) position of the pendant arm 27, and is provided on the pendant arm 27. This fixing means 1
Reference numeral 11 denotes a locking pin guide member 115 for pivotally supporting both ends of a front end portion and a rear end of the locking pin 113, and the locking pin 113 in a direction of a positioning groove 119 provided in the upper swing shaft 41, which will be described later. It is composed of a spring 117 that constantly presses and biases.

The shape of the tip of the locking pin 113 is securely fixed by engaging with a groove of a positioning groove 119 such as a spur gear or a serration provided on the outer diameter of the upper swing shaft 41. It is formed like this.

Reference numeral 125 is a spring receiver, and 127 is a fastening member such as a bolt. The spring receiver 125 and the locking pin guide member 115 are provided with a key and a key groove.
13 is guided so as to slide stably in the axial direction.

At the rear end of the locking pin 113, the other end of the control wire 93 connected to the lever 107 provided on the operation panel 25 is attached so that the position can be adjusted by fixing means 120.

The fixing means 120 for fixing the control wire 93 to the rear end of the locking pin 113 includes, for example,
A hole into which the control wire 93 is inserted is provided at the rear end of the locking pin 113, and a tapered portion 133 having a plurality of split grooves is provided. The tension of the control wire 93 may be adjusted by screwing it on a screw provided in the section.

On the pendant arm 27 near the fixing means 120, a flexible tube supporting member 137 for supporting a flexible tube 96 for guiding the control wire 93 is mounted.

The operation panel 25 is rotatably suspended from the tip of the pendant arm 27 which is pivotally supported by the vertical pivot shafts 41 and 33. In the embodiment shown in FIG. 8, a flange 56
Is provided integrally by a fastening means such as a bolt or welding, or the like, while a hollow shaft fitted to the outer diameter of the rotating shaft 55 is provided on the lower surface of the pendant arm 27. A rotating shaft 57 of a cylinder extends vertically.

The rotating shaft 55 is provided so as to extend to the inside of the pendant arm 27, and a flange member 139 is fixed to an upper end of the rotating shaft 55 by a fastening member such as a bolt. Reference numeral 141 denotes a rotation locking member fixed to a lower portion of the flange member 139 and fitted to the rotation shaft 55.
Is a thrust bearing which receives an axial load applied to the rotating shaft 55.

A positioning groove having the same shape as the positioning groove 119, for example, a positioning groove 145 such as a spur gear or serration is provided on the outer periphery of the rotation locking member 141. Then, inside the pendant arm 27,
A third fixing means 211 is provided at a position close to the rotation locking member 141. This third fixing means 211
Are the same as those of the second fixing means 111, and therefore, the same components are denoted by the same reference numerals and description thereof will be omitted. In addition,
The other end of the control wire 93 connected to the third fixing means 211 is connected to the wire fixing member 105 of the lever 107.

According to the above configuration, in the third fixing means 211, it is possible to maintain a state in which the locking pin 113 is engaged with the positioning groove 145 of the rotation locking member 141 in a state where the rotation is restricted.

Therefore, by operating the manual lever 107 provided on the operation panel 25, the first and second levers described above are operated.
And the third fixing means (111, 211, 47) can be collectively fixed or released. That is, the operator grips the manual lever 107 to release the first, second, and third fixing means (111, 211, 47) all at once, and then moves the operation panel 25 in the left-right direction with respect to the shearing device 1 ( 1, the swing angle of the pendant arm 27 and the rotation angle of the operation panel 25 with respect to the pendant arm 27 are appropriately moved.
, The horizontal movement position of the operation panel 25 with respect to the shearing device 1 (the horizontal direction in FIG. 1), the swing angle of the pendant arm 27, and the rotation angle of the operation panel 25 with respect to the pendant arm 27 are collectively determined. Can be fixed.

As will be understood from the above description, it is apparent that the present invention can be applied to other machine tools such as a press brake other than the shearing device.

[0049]

As will be understood from the above description of the embodiment, according to the first or second aspect of the present invention, even if the machine tool is large in the left-right direction, it can be operated at a position where it can be easily operated. The panel can be moved and fixed, and the angle of the pendant arm on which the operation panel is suspended and the direction of the operation panel can be rotated and fixed in a direction that is easy to operate at the operator's hand. Also, even if the operator leans on the operation panel carelessly, there is no danger that the operation panel will move and the worker will fall and get injured, and the operation panel will be moved to the position where it is most easy to operate. Work efficiency can be improved.

According to the third or fourth aspect of the present invention, even in a machine tool large in the left-right direction, the angle of the pendant arm on which the operation panel is suspended and the direction of the operation panel can be controlled at the operator's hand. The operation of positioning the operation panel can be easily performed because the operation panel can be fixed or released collectively in a direction that is easy to perform.

[Brief description of the drawings]

FIG. 1 is an example in which a control panel suspension device according to the present invention is provided in a shearing device, and shows a front view of the shearing device.

FIG. 2 is a right side view of FIG.

FIG. 3 is an enlarged view of an operation panel suspension device in FIG. 2;

FIG. 4 is a plan view of the operation panel suspension device in FIG. 3;

FIG. 5 is a partial cross-sectional view along the line VV in FIG. 4;

FIG. 6 is a sectional view taken along the line VI-VI in FIG. 4;

FIG. 7 is a diagram illustrating directions in which the operation panel suspension device can be operated.

FIG. 8 shows another embodiment of the operation panel suspension device.

FIG. 9 is a view taken in the direction of arrow A in FIG. 8;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Shearing apparatus 3 (L, R) Side frame 5 Lower front frame 7 Upper front frame 9 Table frame 11 Front table 13 Ram 15 Upper shearing blade 17 Lower shearing blade 19 Gap 23 Guide rail 25 Operation panel 27 Pendant arm 29 Carriage 31 Linear motion bearing 33 Lower swing shaft 35 Lower plate 36 Cable conveyor 37 Bearing support plate 38 Wiring duct 39 Support 41 Upper swing shaft 43 Upper plate 47 First fixing means 49 Large diameter shaft portions 51, 56 Flange portion 53 , 55, 57 Rotating shaft 59 Locking member 63 Anti-friction member 69 Second fixing means 71, 81 Lock lever 73 Extension bar 75 Bearing member 77 Nut member 79 Screw portion 82 Third fixing means 83 Clamp claw support member 85 Clamp claw 86 hole 87 pin 89 handle 91 ammunition 93 control wire 95 wire fixing member 96 flexible tube 97, 101 terminal 99 terminal fixing member 103 handle 105 wire fixing member 106 shaft 107 manual lever 109 stopper 111 second fixing means 113 locking pin 115 locking pin guide member 117 spring 119 positioning groove 120 fixing means 125 spring receiver 127 fastening member 133 taper portion 135 nut member 137 flexible tube support member 139 flange member 141 rotation locking member 143 thrust bearing 145 positioning groove 211 third fixing means

Claims (4)

[Claims] 1. An operation panel suspension device provided at a front position of a front frame of a machine tool so as to be movable in a horizontal direction, wherein a guide rail is provided horizontally on the front frame and is movably engaged with the guide rail. A first fixing means provided with a carriage, one end of a pendant arm is pivotally supported on the carriage, and an operation panel is rotatably suspended on the other end, and the carriage is fixed to and openable on the guide rail. And a second fixing means for swingingly fixing one end of the pendant arm to the carriage, and a third fixing means for rotating and fixing the operation panel. Panel hanging device. 2. The apparatus according to claim 1, wherein the first fixing means includes a pair of clamp claws on the carriage, which always hold the guide rail by the urging force of the armature, and releases the urging force of the pair of clamp claws. One end of a control wire for connection to a manual lever provided on the operation panel, and the other end of the control wire is connected to one handle of the pair of clamp claws. The fixing means is provided with a lock lever capable of pressing and fixing the swing axis of the pendant arm at the tip of the pendant arm, and the third fixing means is rotatable about a rotation shaft provided on the pendant arm. 2. A control panel for a machine tool according to claim 1, wherein a lock lever capable of pressing and fixing a rotary shaft provided on said control panel fitted to said control panel is provided on said rotary shaft of said pendant arm. Suspension device. 3. An operation panel suspension device provided in a front position of a front frame of a machine tool so as to be movable in a horizontal direction, wherein a guide rail is horizontally provided on the front frame and movably engaged with the guide rail. A first fixing means for providing a carriage, pivotally supporting one end of a pendant arm on the carriage so as to be swingable, and rotatably suspending an operation panel at the other end so as to fix the movement of the carriage with respect to the guide rail; Means, second fixing means capable of fixing the swing of the pendant arm, and third fixing means capable of fixing the rotation of the operation panel with respect to the pendant arm. An operation panel suspension device for a machine tool, wherein a batch fixing release means capable of fixing and releasing the third fixing means collectively is provided on the operation panel. 4. The first fixing means includes a pair of clamp pawls, which always hold the guide rail by the urging force of an elastic machine, provided on the carriage, and releases the urging force of the pair of clamp claws. One end of a control wire for connection to a manual lever provided on the operation panel, and the other end of the control wire is connected to one handle of the pair of clamp claws. The fixing means is provided with a locking pin for locking the rotation of the pivot shaft of the pendant arm by pressing and biasing the pivot shaft, and the third fixing means is provided with a rotation pin of the rotation shaft of the operation panel. A locking pin for locking the rotation is provided by pressing and biasing the rotation shaft of the pendant arm,
4. The method according to claim 3, wherein the collective fixing releasing means is configured by connecting a locking pin of the first, second, and third fixing means and the manual lever provided on the operation panel with a control wire. 5. An operation panel suspension device for a machine tool as described in the above.