JPH0120023Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a plate processing device that performs processes such as chamfering and rounding on plate materials, and in particular, a pair of punch and die is formed with cutting edges of multiple sizes and shapes. The present invention relates to a plate processing apparatus that processes a processed shape formed into a required size and shape by rotating it to a working position.

Conventionally, a pair of disc-shaped punches and dies are provided with multiple shapes for machining the corners of plate materials, and the required shape is rotated to the working position to determine the position, thereby chamfering and rounding various sizes and shapes. A plate material processing device designed to perform such processing has not yet been implemented.

This invention was made in view of such conventional problems, and a set of punch and die is provided with plate corner processing shapes of multiple types of dimensions and shapes, and the necessary A plate processing device that allows the processing shape to be determined and used at the working position, and allows processing such as chamfering and rounding of multiple dimensions and shapes with one set of punch and die. The purpose is to provide.

The embodiment shown in the figures will be explained in detail below. 1st
The figure shows the entirety of a small punch press machine. A mold 5 is provided on a base 3 on the front side of the press 1. This mold 5 is made up of a combination of a die part 7 as a lower mold and a punch part 9 as an upper mold. A ram 11 is arranged above the punch section 9 so as to be able to strike against the punch section 9. Further, a work table 13 is arranged on the base 3.

In this press machine 1, a ram 11 is driven by a drive device (not shown) to strike the punch section 9, thereby punching out a plate material disposed between the punch section 9 and the die section 7.

An embodiment of this invention is shown in detail in FIGS. 2-6. The die section 7 includes a rotating shaft 17 erected on a device base 15, a rotating table 19 provided on the outer periphery of the rotating shaft 17, and a ring-shaped die 23 fixed on the rotating table 19 with screws 21.
It is composed of.

On the other hand, the punch section 9 is provided so as to cover the upper part of the rotating shaft 17, and includes a punch head 27 which is prevented from coming off by a stop bolt 25, and a disk-shaped punch 31 attached to the lower surface of the punch head 27 by screws 29. It is composed of. This punch head 27 is constantly pushed upward by a stripper spring 33 interposed between it and the rotating shaft 17.

As shown in detail in FIG. 2, the die 23 and punch 31 are provided with a plurality of types of plate material corner side processing shapes 35a to 35j on their circumferences. This die 2
3. The punch 31 can be formed by, for example, a method in which a single plate is simultaneously machined and separated by wire cut electric discharge machining.

A key groove 37 is formed in the upper part of the rotating shaft 17 as shown in detail in FIGS.
is engaged with. Further, as shown in FIG. 5, the center hole 41 of the punch 31 is formed in a shape that exactly matches the rotating shaft 17, and is fitted with the rotating shaft 17. Therefore, by fitting the keyway 37, the key 39, and the center hole 41, the rotary table 19 and punch 31 rotate integrally with respect to the rotary shaft 17.

Furthermore, a plurality of engagement holes 43 are provided on the outer periphery of the lower part of the rotating shaft 17, the number of which corresponds exactly to the number of processed shapes 35. On the other hand, a plurality of screw holes 45 are provided in the device base 15, and an engaging ball 47 is inserted into each of the screw holes 45, and a spring 49 is inserted into the engaging ball 47.
A screw-shaped stopper 51 is screwed into the stopper 51 to elastically engage the engagement ball 47 with one of the engagement holes 43. This engagement ball 4
7, an engagement means composed of a spring 49 and a screw-like stopper 51 is used to fix the rotary shaft 17 and the rotary table 19 at a predetermined position relative to the base 15 so as not to rotate, and the die 23 and the punch 31 are held together. It can be rotated and indexed to a predetermined position.

The work table 13 is mounted from the device base 15 via appropriate supports 53 so that its material support surface is at the same height as the die 23. The work table 13 is provided with a main stopper 55 and an auxiliary stopper 57. The main stopper 55 slides in the left-right direction in FIG.
Fixed by 1. The auxiliary stopper 57 has an inverted L-shaped cross section, and slides along the material abutment surface 63 of the main stopper 55, which is inclined at an angle of 45 degrees, and is attached to the wing bolt 65 at a position corresponding to the size of the material. Fixed. Therefore, the material actually comes into contact with the end face of the auxiliary stopper 57.

The operation of the plate material processing apparatus having the above configuration will be described next. This plate material processing device is used by being attached to the base 3 of the press machine shown in FIG. 1. First, the plate material is placed on the work table 13,
The corner portion is abutted against the auxiliary stopper 57 for positioning. At this time, the corner of the plate material will be located between the die 23 and the punch 31.

Thereafter, when the punch head 27 is hit by the ram 11, the corner of the material is moved between the pair of auxiliary stoppers 57.
Cutting is performed according to one machining shape 35 determined during the cutting process. After this processing, punch head 2
7 is returned to the stop bolt 25 by the spring force of the stopper spring 33, and the punch 31 is returned to the state separated from the die 23 again.

When determining another set of machining shapes 35,
The screw-shaped stopper 51 serving as the engagement means is loosened, and the engagement ball 47 engaged with the engagement hole 43 is removed so that the rotating shaft 17 can freely rotate relative to the device base 15. Then, the desired machining shape 35 is determined between the auxiliary stoppers 57, and then the threaded stoppers 51 are tightened again to cause the engaging balls 47 to newly engage with the corresponding engaging holes 43.

If you want to process another shape, prepare another set of die 23 and punch 31.
By replacing the die 23 and punch 31 with another set, it is possible to process corners or chamfers in even more shapes.

As can be understood from the above description of the embodiments, this invention is based on a ring-shaped rotary shaft 17 that is rotatably mounted on the device base 15 and has a plurality of machined parts on its inner circumferential surface. A die 23 is mounted and provided, and a disk-shaped punch 31 having a plurality of processing parts that cooperates with the processing part of the die is mounted and provided so as to be able to move only vertically.
A work table 13 attached to the die 23 is installed at the same height as the die 23, and along the inclined material abutting surfaces 63 of the left-right symmetrical main stoppers 55 provided on the work table 13, the positions of which can be freely adjusted in the left-right direction. Each main stopper 55 is provided with a movable auxiliary stopper 57.

As is clear from the above configuration, in the present invention, the ring-shaped die 23 and the disk-shaped punch 31, which are attached to the rotary shaft 17 which is rotatably indexably provided on the device base 15, are subjected to a plurality of corresponding machining processes. Since the punch 31 and the die 23 are used to form a plurality of shapes in the plate material, the punch 31 and the die 23 can process the plate material into a plurality of shapes depending on the shape of each processed portion.

In particular, in the present invention, a symmetrical main stopper 55 is provided on the work table 13 provided at the same height as the die 23, the position of which is adjustable in the left and right direction.
Moreover, each main stopper 55 has a
Since a movable auxiliary stopper 57 is provided along the inclined material abutting surface 63 of the die 2,
3. The position of each main stopper 55 and each auxiliary stopper 57 can be adjusted according to the shape of each machining part of the punch 31, and the plate material can always be accurately positioned in accordance with each machining part. This allows for accurate processing.

[Brief explanation of the drawing]

Fig. 1 is a side view of a press machine used in an embodiment of this invention, Fig. 2 is a plan view of an embodiment of this invention, Fig. 3 is a partially cutaway front view of the same, and Fig. 4 is a FIG. 5 is a perspective view of a rotating shaft used in the above, FIG. 5 is a perspective view of a punch used in the same, and FIG. 6 is a sectional view showing an engaging means in the same. 15...Device base, 17...Rotation axis, 19...
...Turning table, 23...Die, 31...Punch, 35
a-35j...Processed shape, 43...Engagement hole, 45
...screw hole, 47...engaging ball, 49...spring, 5
1...Screw-shaped stopper.

Claims (1)

[Scope of utility model registration request] A ring-shaped die 23 having a plurality of processing parts on the inner circumferential surface is attached to a rotary shaft 17 that is rotatably and indexably installed on the device base 15, and a plurality of ring-shaped dies 23 that cooperate with the processing parts of the die are provided. A disk-shaped punch 31 with a machining section is mounted so that it can move only up and down, and a work table 13 attached to the device base 15 is installed at the same height as the die 23. The auxiliary stopper 5 is movable along the inclined material abutment surface 63 of each symmetrical main stopper 55 whose position can be freely adjusted in the direction.
7 is provided on each main stopper 55.