JPH10296353A - Die recognizing method in turret punch press and turret punch press - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the generation of damage of a die and a machine and defective product, etc., by automatically checking inside a machine before beginning of working in the case that the manual set-mistake of the die is generated. SOLUTION: The recognition of a die D is executed by image-picking up the die D exposed at the position opposite to the working position of a lower turret 11 with a diameter larger than an upper turret 25 from the upper side with a die recognizing camera 67. Further, the recognition of a punch P is executed by image-picking up it through a penetrating hole 71 pierced in the lower turret 11 corresponding to the just under position of the punch P of the upper turret 25 indexed on the opposite position to the working position with a punch recognizing camera 69 from the lower side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a method for recognizing a die in a turret punch press and a turret punch press.

[0002]

2. Description of the Related Art Conventionally, in a turret punch press controlled by an NC device, a mold used for processing is shaped according to an instruction written by a programmer or the like.
The operator selects the processing position manually while recognizing the size, direction, and the like.

[0003]

However, in such a conventional technique, since the mold replacement work is performed manually, it is impossible to completely suppress the occurrence of a setting mistake, and the , Shape error, size error, direction error, clearance error, etc.

When such an error occurs, the mold is damaged,
Machine damage, product failure, etc. will occur. In addition, there is a problem in terms of work efficiency and cost because useless man-hours are generated.

An object of the present invention is to pay attention to the above-described conventional technology. When a mistake in setting a mold by hand occurs, the inside of the machine is automatically set before the start of machining. Check mold damage, machine damage,
An object of the present invention is to provide a method of recognizing a mold in a turret punch press and a turret punch press which can prevent the occurrence of a product defect or the like in advance.

[0006]

According to a first aspect of the present invention, there is provided a method for recognizing a mold in a turret punch press, comprising the steps of: forming a punch mounted on an upper turret and a die mounted on a lower turret; In a method for recognizing a die in a turret punch press, in which a work is indexed to a processing position and punching is performed on a work by cooperation of the punch and the die, a die mounted on a lower turret having a diameter larger than that of the upper turret. Is picked up from above by the die-recognition imaging means on the opposite side of the processing position, and the punch mounted on the upper turret is lowered on the opposite side of the processing position through a through hole provided in the lower turret , And an image is picked up by a punch recognizing image pickup means.

Therefore, the die is recognized by imaging the die exposed at the position opposite to the processing position of the lower turret having a diameter larger than that of the upper turret from above by the die recognizing imaging means.
In addition, punch recognition is performed by a punch-recognition imaging unit from below through a through hole provided in a lower turret corresponding to a position immediately below the punch of the upper turret indexed to a position opposite to the processing position. Do it.

According to a second aspect of the present invention, there is provided a method of recognizing a die in a turret punch press, wherein a punch mounted on an upper turret and a die mounted on a lower turret are indexed to a processing position in correspondence with each other, and In a method of recognizing a die in a turret punch press for punching a work in cooperation, a die mounted on a lower turret having a diameter larger than that of the upper turret may be picked up from above on a side opposite to the processing position. And the punch mounted on the upper turret is imaged by a punch recognizing imaging means mounted on the lower turret on the opposite side of the processing position.

Therefore, the die is recognized by imaging the die exposed at a position opposite to the processing position of the lower turret having a larger diameter than the upper turret from above by the die recognizing imaging means.
The punch is recognized by an image pick-up means for punch recognition mounted on a lower turret corresponding to a position directly below the punch of the upper turret indexed to a position opposite to the processing position.

According to a third aspect of the present invention, there is provided a turret punch press in which a punch mounted on an upper turret and a die mounted on a lower turret are indexed to a processing position in correspondence with each other, and the punch and the die cooperate on a work. A turret punch press for performing punching processing, wherein the lower turret has a diameter larger than that of the upper turret such that a die attached to at least the lower turret on the opposite side of the processing position is exposed from the upper turret and visible. A through hole provided in the lower turret just below the punch mounted on the upper turret at a position opposite to the processing position, and a through hole provided above the lower turret at a position opposite to the processing position and exposed from the upper turret. A die-recognition imaging means for imaging a die which is seen in a direction, and the penetration indexed at a position opposite to the processing position. A punch recognition imaging means for imaging the punches indexed in opposite positions of the processing position provided below or within the is to characterized in that it comprises a.

Therefore, the die is recognized by imaging the die exposed at the position opposite to the processing position of the lower turret having a diameter larger than that of the upper turret from above by the die recognizing imaging means.
The punch is recognized by a punch recognition provided below or inside the through hole provided in the lower turret corresponding to the position directly below the punch of the upper turret indexed to the position opposite to the processing position. The image is taken by the image pickup means for use.

[0012]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIGS. 3 and 4 show a turret punch press 1 according to the present invention. The turret punch press 1 has a portal frame 9 including a lower frame 3, an upper frame 5, and a column 7, and has a gap G at a central portion of the portal frame 9.

Above the lower frame 3 in the gap G, a large-diameter lower turret 11 on which a plurality of dies D are exchangeably mounted is provided so as to be rotatable around a rotation shaft 13. The rotating shaft 13 is rotatably supported by a rotating bearing 15 such as a bearing, and a driven sprocket 17 provided at an intermediate height of the rotating shaft 13 is driven by a lower turret via a rotation transmitting member such as a chain 19. Drive sprocket 23 mounted on the motor 21
It is connected to.

On the other hand, the upper frame 5 in the gap G
On the lower side, a small-diameter upper turret 25 on which a plurality of punches P are exchangeably mounted is rotatably indexed around a rotation axis 27. The die D indexed by 11 is opposed. The rotating shaft 27 is provided at a position different from the position of the rotating shaft 13 of the lower turret 11.
9 rotatably supported. The driven sprocket 31 provided at an intermediate height position of the rotating shaft 27 is connected to a driving sprocket 37 mounted on the upper turret motor 35 via a rotation transmitting member such as a chain 33.

Accordingly, the lower turret 11 is rotationally indexed by rotating the rotary shaft 13 via the chain 19 and the like by the rotation of the lower turret motor 21. Further, since the upper turret 25 is rotationally indexed by rotating the rotation shaft 27 via the chain 33 and the like by the rotation of the upper turret motor 35, the lower turret 11 and the upper turret 25 can be separately indexed. It has become. At the processing position R, the indexed punch P and the die D face each other.

The upper turret 2 in the upper frame 5
Above the processing position R of FIG. 5, a crankshaft 39 rotatably driven by a motor (not shown) is rotatably supported, and a connecting rod 41 is attached to the crankshaft 39.
The striker 43 is provided to be vertically movable via the.

Therefore, when the crankshaft 39 is driven to rotate by a motor (not shown), the striker 43 moves up and down via the connecting rod 41, and strikes the punch P indexed to the processing position R. Punching is performed in cooperation with the die D which is indexed. In addition, as a drive source for moving the striker 43 up and down, a fluid pressure cylinder can be used without using the motor and the crankshaft 39.

The lower turret 1 in the gap G
1, a fixed center table 45 is provided on the left side.
Left and right movable tables 47L and 47R are provided movably in the Y-axis direction (left and right directions in FIGS. 3 and 4) along guide rails (not shown) on the middle and upper and lower sides.

At the left end (left side in FIG. 2) of the left and right movable tables 47L and 47R, the center table 45 is provided.
A carriage base 49 is provided for straddling the Y axis ball screw 5 connected to the Y axis motor 51.
By the rotation of No. 3, it is moved and positioned in the Y-axis direction. The carriage base 49 is provided with a carriage 55 that is movable in the X-axis direction (vertical direction in FIG. 4), and a plurality of work clamps 57 are provided on the carriage 55 so as to adjust the intervals. The X-axis carriage 55
Is the X-axis ball screw 6 connected to the X-axis motor 59
1 moves and positions in the X-axis direction. An NC device 63 as a control device is provided near the turret punch press 1.

FIG. 1 shows a mold recognition device 6 according to the present invention.
5 is shown. Referring to FIG. 1 and FIGS. 3 and 4 together, in the mold recognition device 65, above a portion of the large-diameter lower turret 11 that protrudes from the small-diameter upper turret 25 (for example, the ceiling of the upper frame 5). In addition, a die recognition camera 67 as a die recognition imaging means is provided downward. Thus, the die D stored in the lower turret 11 can be imaged without being disturbed by the upper turret 25.

On the other hand, a punch recognizing camera 69 as a punch recognizing image pickup means for recognizing the punch P mounted on the upper turret 25 is provided upward at a position below the lower turret 11. This punch recognition camera 6
Reference numeral 9 is provided immediately below the punch P to be recognized, and recognizes the punch P through a through hole 71 provided in the lower turret 11. Alternatively, the through hole 71
A punch recognition camera 69 may be fitted into the camera.

Therefore, in order to recognize the die D, the lower turret 11 is indexed by the lower turret motor 21 so that the desired die D is positioned below the die recognition camera 67, and the die recognition camera is used. At 67, the die D is imaged. When the punch P is recognized, the lower turret motor 21 causes the through-hole 71 to move through the punch recognition camera 69.
And the upper turret 25 is indexed by the upper turret motor 35 so that the desired punch P is located directly above the through hole 71, and then the punch recognition camera At 69, the punch P is imaged.

From the above results, the die D mounted on the lower turret 11 is imaged by the die recognizing camera 67, and the punch recognizing camera 69 is connected to the upper turret through the through hole 71 provided in the lower turret 11. Since the image of the punch P mounted on the mold 25 is captured, the management of the mold can be easily performed, and the mistake of the mold can be checked in advance. Along with this, it is possible to prevent the occurrence of mold damage, mechanical damage, product failure, and the like.

While the lower turret 11 is stopped at a predetermined position, the upper turret 25 is rotated while the punch P is picked up by the punch recognizing camera 69, or the die D is picked up by the die recognizing camera 67. Lower turret 11
By rotating, it is possible to shorten the setup time for searching for a mold, polishing, and the like.

The present invention is not limited to the above-described embodiment, but can be embodied in other modes by making appropriate changes.

[0027]

As described above, in the method for recognizing the die in the turret punch press according to the first aspect of the present invention,
The die recognition is performed by imaging the die exposed at a position opposite to the processing position of the lower turret having a larger diameter than the upper turret from above with the die recognizing imaging means. In addition, punch recognition is performed by a punch-recognition imaging unit from below through a through hole provided in a lower turret corresponding to a position immediately below the punch of the upper turret indexed to a position opposite to the processing position. Therefore, it is possible to easily recognize a mold of a turret punch press using turrets having different diameters. Along with this, it is possible to prevent erroneous setting of the mold, and to prevent the occurrence of mold damage, mechanical damage, product failure, and the like.

In the method for recognizing a die in a turret punch press according to the second aspect of the present invention, the die is recognized from above by exposing the die exposed at a position opposite to the processing position of the lower turret having a larger diameter than the upper turret. This is performed by taking an image with a recognition imaging unit. In addition, punch recognition is performed by picking up an image with a punch recognition image pickup device mounted on a lower turret corresponding to a position directly below the punch of the upper turret indexed to a position opposite to the processing position. The tool of the turret punch press using the turret can be easily recognized. Along with this, it is possible to prevent erroneous setting of the mold, and to prevent the occurrence of mold damage, mechanical damage, product failure, and the like.

In the turret punch press according to the third aspect of the present invention, the dies that are exposed at a position opposite to the processing position of the lower turret having a larger diameter than the upper turret are detected from above by the die recognizing imaging means. This is done by imaging. The punch is recognized from below or through the through hole provided in the lower turret corresponding to the position immediately below the punch of the upper turret indexed to the position opposite to the processing position. Since the image is taken by the image pickup means for punch recognition, it is possible to easily recognize the mold of the turret punch press using turrets having different diameters. Along with this, it is possible to prevent erroneous setting of the mold, and to prevent the occurrence of mold damage, mechanical damage, product failure, and the like.

[Brief description of the drawings]

FIG. 1 is an enlarged view showing a main part of a turret punch press using a die recognition method in a turret punch press according to the present invention.

FIG. 2 is a plan view showing an upper turret and a lower turret used in FIG.

FIG. 3 is a front view showing a turret punch press using a die recognition method in the turret punch press according to the present invention.

FIG. 4 is a plan view showing a turret punch press using a die recognition method in the turret punch press according to the present invention.

[Explanation of symbols]

 1 Turret Punch Press 11 Lower Turret 25 Upper Turret 67 Die Recognition Camera (Die Recognition Imaging Means) 69 Punch Recognition Camera (Punch Recognition Imaging Means) 71 Through Hole P Punch D Die R Processing Position

Claims (3)

[Claims] 1. A turret punch press in which a punch mounted on an upper turret and a die mounted on a lower turret are correspondingly indexed to a processing position, and a workpiece is punched by cooperation of the punch and the die. In the type recognition method, a die mounted on a lower turret having a diameter larger than that of the upper turret is imaged from above by a die recognition imaging unit on the side opposite to the processing position, and a punch mounted on the upper turret is taken out. A method for recognizing a die in a turret punch press, characterized in that an image is picked up from below by a punch recognizing imaging means through a through hole provided in the lower turret on the side opposite to the processing position. 2. A turret punch press in which a punch mounted on an upper turret and a die mounted on a lower turret are correspondingly indexed to a processing position, and a punching process is performed on a workpiece by cooperation of the punch and the die. In the type recognition method, a die mounted on a lower turret having a diameter larger than that of the upper turret is imaged from above by a die recognition imaging unit on the side opposite to the processing position, and a punch mounted on the upper turret is taken out. A die recognition method in a turret punch press, characterized in that an image is taken by an image pickup means for punch recognition mounted on the lower turret on the side opposite to the processing position. 3. A turret punch press in which a punch mounted on an upper turret and a die mounted on a lower turret are indexed to corresponding processing positions, and a punching process is performed on a workpiece by cooperation of the punch and the die. The lower turret has a larger diameter than the upper turret at least to the extent that the die mounted on the lower turret is exposed from the upper turret on the side opposite to the processing position, and the side opposite to the processing position on the upper turret. A through hole provided in the lower turret just below the punch mounted at the position, and a die recognition for imaging a die provided above the lower turret at a position opposite to the processing position and exposed from the upper turret. Imaging means, provided below or inside the through hole indexed to a position opposite to the processing position, A turret punch press, comprising: punch-recognition imaging means for imaging the punch indexed to the opposite side position.