JP2003231030A - Flip-up control panel and nc lathe using the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an NC lathe capable of improving the operability of a control panel, and dispensing with the demounting and mounting work of a cover for maintenance even when the work for adjusting grip force of a collet chuck in a spindle of a spindle stock and the replacement work are performed. <P>SOLUTION: This flip-up control panel 12 is mounted on an upper face of a main body cover 15, and comprises a supporting member 15a mounted at a front part of a panel 18 for supporting the flip-up control panel 12, a rotating member 12a for vertically rotating the control panel on the supporting member 15a, and a flip-up mechanism composed of a control means being energized by an energizing means mounted on a back face of the flip-up control panel 12, and rotatably flipped up, and controlling a width of the rotation. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flip-up type operation panel for an NC lathe of a machine tool and an NC lathe using the same.

[0002]

2. Description of the Related Art In recent years, machine tools have not only the original processing ability as a cutting machine, but also the beauty that gives a feeling of high quality, excellent operability, safety, maintainability, and high precision. Guaranteed machine tools are required. Similarly, the NC lathe, which is a major model of machine tools, has a beautiful external appearance that enhances processing capability and a feeling of high quality, as well as excellent operability, safety, and maintainability, and high precision. An NC lathe that guarantees is required.

FIG. 4 (a) is a front view showing a conventional small NC lathe with the door removed.
(B) is the right view. As shown in FIG. 4A, a conventional small NC lathe 50 includes a rectangular bed 51,
Headstock 52 for rotating the work W and comb-tooth type tool post 61
56 for moving the tool in the Z-axis direction and the comb-tooth type tool rest 6
It is composed of a cross slide 60 for moving 1 in the X-axis direction, an operation panel 62 and the like.

The headstock 52 is fixed to the left side of the bed 51, and is a collet chuck 52c for holding the work W.
(It may be a three-jaw chuck) is mounted on the main shaft 52a. Rotational force is transmitted by a belt to a pulley provided at the rear end of the spindle 52a by driving a spindle motor (not shown) provided below the spindle stock 52,
The spindle 52a of the spindle stock 52 rotates and the collet chuck 5
2c and the work W are rotated. The saddle 56 is slidably reciprocally moved in the left-right direction by a Z-axis drive mechanism located below the Z-axis sliding surface, and the saddle 56 is provided with a Z-axis above the saddle 56.
An X-axis sliding surface that is orthogonal to the axis is provided.

The cross slide 60 is provided on the upper surface of the saddle 56 and is reciprocally movable by a drive mechanism in the X-axis direction. The comb-tooth tool post 61 is placed on the upper surface of the cross slide 60, and the comb-tooth tool post 61 holds a plurality of tools 63, 63.

The operation panel 62 is connected to the upper portion of an enclosure (electrical equipment box) 64 arranged at the rear portion of the bed 51, and is placed on the upper portion of the splash cover 65. The operation panel 62 is generally a fixed operation panel that cannot be moved. The normal work area on the worker side is the front of the small NC lathe 50, and the front door 6
By opening and closing 6, the work W can be attached and detached,
Moreover, the door 66 is provided with safety consideration so as to protect the operator from scattering of cutting chips and coolant. An auxiliary operation panel 62a is arranged in the lower portion of the door 66 and near the left side.

[0007]

However, since the operation panel 62 of the conventional NC lathe is mounted on the main body cover, the keyboard position of the operation panel 62 is high, and the NC
In the input work such as the correction work of the program, the hand has to be kept high, and there is a problem that the hand is tired and hard. Further, there is a problem that the adjustment work and the replacement work for the spindle 52a of the spindle stock 52 are difficult. For example, one of the relatively frequent adjustments is
There is an adjusting operation for adjusting the grasping force of the collet chuck 52c. This is because the collet chuck 52c also needs to be replaced every time the diameter of the material changes. In this case, the fixing bolts 67a, 67a of the cover 67 for maintenance
... is removed and the cover 67 is removed. When the adjustment work is completed, the cover 67 is attached and the fixing bolts 67a, 6
It was necessary to screw 7a ... In addition, in the case of such maintenance such as preload adjustment of the spindle bearing of the headstock 52, replacement of the bearing for the spindle, belt replacement when the belt is damaged, the operator interrupts the machining work and performs the adjustment work and the replacement work. It was necessary to remove and attach the maintenance cover 67.

Therefore, the present invention was devised in order to solve these problems, and improves the operability of the operation panel and adjusts the grasping force of the collet chuck in the spindle of the spindle stock. , Even if replacement work occurs,
An object of the present invention is to provide an NC lathe that does not require the work of removing and attaching the cover for maintenance.

[0009]

In order to achieve the above object, the flip-up type operation panel according to the present invention as set forth in claim 1 is an operation panel provided in the vicinity of a processing area for operating an NC lathe. In addition, a supporting portion arranged on a rear portion of a panel of the NC lathe for supporting the operation panel and a left and right convex portion provided on an upper end portion of the operation panel are pivotally supported by the supporting portion and are rotated in a vertical direction. A rotating part that moves, an urging means that is disposed between the back surface of the operation panel and the upper cover and that is rotatably flipped up, and an urging means that is disposed between the back surface of the operation panel and the rear cover. And a flip-up mechanism including a regulation unit that regulates the return of rotation.

According to the first aspect of the present invention, it is arranged on the cover surface that covers the upper part of the headstock in the vicinity of the machining area of the NC lathe, and the operability is improved by lowering the position of the operation panel. Further, when the adjustment work or the replacement work on the main shaft occurs, the operation panel is flipped up. The biasing means for flipping up, that is, the rotating means is a gas stay that is provided on the left side in a front view and is filled with a high-pressure gas that is expandable and contractable, and is provided between the back surface of the operation panel and the upper cover. The urging force is constantly being urged. In addition, an expandable stay that has a regulation means that regulates the width of rotation is installed on the rear cover on the right side when viewed from the front, allowing a flip-up mechanism without interfering with the opening / closing operation of the door. Is. In addition, an end portion of the operation panel is pivotally supported by the support portion, and the operation panel serves as a rotation center for rotating in the vertical direction.
The operation panel can be flipped up.

The present invention according to claim 2 is an NC lathe using a flip-up type operation panel, which is hidden by the flip-up type operation panel in a main body cover covered by the flip-up type operation panel. It is characterized in that a hole for maintenance is provided.

According to the second aspect of the present invention, the main body cover covered with the flip-up type operation panel is provided with a large maintenance hole hidden from the outside, so that the flip-up type operation panel is overhead. A large opening can be secured in the main body cover by waiting in a position where there is no interference and flipping up.
As a result, since the adjustment work can be immediately started, it is not necessary to remove or attach the maintenance cover by the operator, so that the maintenance time can be shortened. In this way, not only the adjustment work to adjust the grasping force of the collet in the spindle of the headstock, but also the adjustment work and replacement work such as preload adjustment of the spindle bearing, replacement of the spindle bearing, and belt replacement when the belt is damaged Also, since it is possible to respond quickly, it is possible to increase the operating rate of the machine.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION A flip-up type operation panel 21 of the present invention and an NC lathe 10 using the same will now be described with reference to the drawings.
An embodiment will be described. FIG. 1 is a perspective view of an NC lathe 10 equipped with a flip-up type operation panel 21,
FIG. 2 is an enlarged view of the right side surface of the flip-up type operation panel.

As shown in FIG. 1, a flip-up type operation panel 12 is provided.
Is different from the conventional fixed operation panel 62 (see FIG. 4),
There is a support portion 15a on the left rear portion of the machine body. Rotating portions 12a, 12a, which are left and right convex portions provided on the upper end portion of the flip-up type operation panel 12, are pivotally supported by the supporting portions 15a, 15a, with the rotating portions 12a, 12a as the center. The flip-up type operation panel 12 is flipped up. In addition, the flip-up type operation panel 12 is made thin as if it were integrated with the main body cover 15, and the curved shape is used at the corners to give a soft feeling and an innovative shape. It is finished in a uniform shape.

Further, as shown in FIG. 2, the flip-up type operation panel 12 extends over the upper surface and the inclined surface of the front cover 15 which covers the headstock 2 on the left side of the processing area, and has a substantially L shape in a side view. Has been placed. The support portion 15 a is located on the upper surface of the cover 17 provided in front of the enclosure (electrical equipment box) 18. The urging means for assisting the upward rotation is an expandable gas stay 20 containing gas,
It is provided and urged between a fulcrum b of the main body cover and a fulcrum c provided on the back surface of the flip-up type operation panel 12. The retractable stay 21, which constitutes another flip-up mechanism, is a well-known canopy one-touch stay, in which a square pipe 21a and a substantially U-shaped steel 21b are loosely fitted, and an opening portion of the square pipe 21a is formed. A stopper provided near the U
It engages with the notch of the steel bar 21b and extends further to prevent it from coming off. Further, due to the action of the substantially star-shaped cam 21c built into the U-shaped steel 21b, the cam 21c is temporarily locked so as not to return to its original position, and the fulcrum d provided on the cover 17 of the main body and the operation panel. Fulcrum e on the back of
It is provided between and.

Further, FIG. 3A is a front view of the NC lathe 10 showing a state where the flip-up type operation panel is flipped up, and FIG. 3B is a right side view thereof. As shown in FIG. 3A, the expandable gas stay 20 is fixed to the left side of the flip-up type operation panel 12, and the expandable stay 21.
Is fixed to the right side of the flip-up type operation panel 12. By the function of the biasing means and the restricting means, the work can be lightly rotated up and down and the work can be performed safely. The substantially star-shaped cam 21c
By the action of, the rotation is locked so that it does not return in the opposite direction, so safety during work is secured. To release the safety stopper, the cam is unlocked again by lifting it upward, and the cam can be manually swung down gently and returned to the original position.

Next, the operation of the flip-up type operation panel when the adjustment work for adjusting the grasping force of the collet chuck 5 is performed will be described. As shown in FIG. 2, when the machining of the work W is completed, the program entered in advance causes
The comb-shaped tool rest 19 returns to the start position, and the spindle motor (not shown) of the spindle head is braked to stop the spindle. Also, the coolant tank pump stopped,
The coolant that was discharging toward the tool stops.

The operator confirms that the NC lathe 10 has stopped, grasps the handle of the door 16, opens the door 16, takes out the work W and confirms that it is a good product, and then adjusts it to the next processed product. And perform setup change. First, the collet chuck 5 is replaced. The door 16 is closed, the handle 12b of the flip-up type operation panel 12 is grasped, and the operation panel is manually flipped up to secure the opening 15b of the main body cover 15.

At the same time when the flip-up type operation panel 12 moves upward while rotating, a safety switch (not shown) is turned on.
Then, the interlock that disables the start button works,
Safety is secured. Therefore, the opening 1 of the body cover 15
The drawbar 6 at the rear of the spindle 4 is rotated to approach the headstock 2 from 5b to replace the collet chuck 5 and adjust the gripping force. After adjustment, flip-up operation panel 1
When grasping the handle 12b of No. 2 and pushing up the flip-up type operation panel 12 once to release the lock, and slowly pushing it down to return the flip-up type operation panel 12 to the original position, the safety switch turns off.
After F, the interlock is released.

In this way, by flipping up the flip-up type operation panel 12, in addition to the exchange of the collet chuck 5 and the adjustment of the grasping force, the preload adjustment of the bearing for the spindle 4 and the bearing for the spindle 4 and the belt when the belt is broken Even if adjustment work or replacement work such as replacement occurs, you can quickly respond without removing and installing the maintenance cover, reducing machine downtime and increasing operating rate. You can

The present invention is not limited to this embodiment, but can be appropriately modified as long as it is based on the technical idea of the present invention. For example,
Although the flip-up type operation panel 12 is arranged on the upper surface of the upper cover 15 of the headstock 2 which is in the vicinity of the left side of the processing area, it may be in the upper surface of the door which is the processing area or in the vicinity of the right side thereof. Moreover, the shape of the flip-up type operation panel 12 may be a rectangular box. Furthermore, the urging means is not limited to the gas stay 20, and other means may be used.

[0022]

According to the present invention as set forth in claim 1, the flip-up type operation panel is arranged on the cover surface which covers the upper part of the headstock in the vicinity of the machining area of the NC lathe, and the position of the operation panel. The operability is improved by lowering. Also, when adjustment work or replacement work on the main shaft occurs, the operation panel flips up. The urging means for flipping up is a retractable gas stay provided on the left side and a retractable stay provided on the right side in the rear cover when viewed from the front, so that it does not interfere with the opening / closing operation of the door. A device is possible. Further, the end of the operation panel is pivotally supported by the support portion, and the operation panel can be flipped up by using the operation panel as a center of rotation for rotating in the vertical direction.

According to the second aspect of the present invention, the main body cover covered with the flip-up type operation panel is provided with a large maintenance hole hidden from the outside, so that the flip-up type operation panel is provided. A large opening can be secured in the main body cover by standing up high and avoiding interference and flipping up. As a result, the adjustment work can be immediately started, and it is possible to eliminate the work of removing or attaching the maintenance cover by the operator, so that the maintenance time can be shortened. In this way, not only the adjustment work to adjust the grasping force of the collet chuck in the spindle of the headstock, but also the preload adjustment of the bearing for the spindle,
Even if adjustment work or replacement work such as main shaft bearing replacement, belt replacement when the belt is damaged, etc. can be dealt with promptly, the operating rate of the machine can be increased.

[Brief description of drawings]

FIG. 1 is a perspective view of an NC lathe equipped with a flip-up type operation panel of the present invention.

FIG. 2 is an enlarged view of the right side surface of the flip-up type operation panel of the present invention.

FIG. 3A is a front view of the NC lathe showing a state where a flip-up type operation panel is flipped up, and FIG. 3B is a side view thereof.

FIG. 4 (a) is a front view showing a conventional small NC lathe with a door removed, and FIG. 4 (b) is a right side view thereof.

[Explanation of symbols]

1 bed 2 Headstock 4 spindles 5 Collet chuck 6 drawbars 10 NC lathe 12 flip-up operation panel 12a rotating part 12b handle 15, 17 cover 15a support part 15b opening 16 doors 18 Enclosure (electrical equipment box) 19 Comb-shaped tool post 20 gas stay 21 stay a, b, c, d fulcrum

Claims (2)

[Claims] 1. An operation panel provided in the vicinity of a processing area for operating the NC lathe, the support section being provided at a rear portion of a panel of the NC lathe for supporting the operation panel, and an upper end of the operation panel. The left and right convex portions provided on the support portion are pivotally supported by the support portion, and are arranged between the rotating portion that rotates in the vertical direction and the back surface of the operation panel and the upper cover, and are rotatably flipped up. A flip-up mechanism comprising: a biasing means that is provided and a flip-up mechanism that is provided between the back surface of the operation panel and the rear cover and that restricts the return of rotation. Operation board. 2. A flip-up type operation panel characterized in that a main body cover covered with the flip-up type operation panel is provided with a maintenance hole hidden by the flip-up type operation panel. NC lathe.