JPH0730183Y2 - Chute device in plate processing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial field of application) The present invention is a plate material processing machine such as a punch press, a laser processing machine, a plasma thermal cutting machine, and a shearing machine. Alternatively, the present invention relates to a chute device for carrying a plate material as scrap.

(Prior Art) A chute device of a turret punch press as an example of a conventional plate material processing machine will be described. A first chute for conveying a plate material is swingable in the vertical direction near a processing portion of a work table. It is provided to convey the plate material to the plate material outlet of the turret punch press.
A second chute was provided below the first chute. Therefore, after the desired punching process is performed, the plate material is positioned on the first chute, and the first chute is swung downward, so that the plate material conveyed through the first chute becomes the second chute. Then, it is transported to the plate material take-out port through the second chute.

(Problems to be solved by the invention) By the way, in the case of processing a large number of plate materials by automatic operation, when the first chute swings downward, the plate material naturally goes through the first chute and the second chute. The plate material was processed as if it was conveyed to the outlet.

However, in the chute device in the conventional plate material processing machine (in this case, the turret punch press), it is not confirmed whether or not the plate material is actually conveyed through the first chute and the second chute. Even if the one chute is swung downward, the plate material may remain on the work table because the desired processing is not performed. If the plate material is further processed by automatic operation in such a state, there is a problem that the plate material cannot be properly processed and the plate material processing machine itself is damaged.

On the other hand, in order to solve the above problems, a photoelectric switch for detecting the plate material conveyed to the second chute is provided in order to detect that the plate material has been conveyed through the first chute and the second chute. Although there is a chute device having a configuration, if the plate material is thin or has a special shape, the photoelectric switch may not detect that the plate material is conveyed on the second chute. Therefore, although the desired processing is completed and the plate material is conveyed through the chute device,
Since it is considered that the sheet has not been conveyed, the processing is interrupted, and there is a problem that it is not possible to properly process the plate material.

Therefore, in order to solve the above problems, the present invention provides a chute device in a plate material processing machine capable of detecting that the plate material has been reliably conveyed even when the plate material has a special shape or plate thickness. The purpose is to provide.

[Structure of the Invention] (Means for Solving the Problems) In view of the conventional problems as described above, the present invention has a part of a fixed table for supporting a plate material in a plate material processing machine and a part of the fixed table. A first chute is provided swingably in the vertical direction, and a second chute communicating with the plate material take-out port is provided below the first chute to prevent the plate material from falling from the first chute to the second chute. The second chute is provided with a vibration sensor for detecting and returning the first chute upward and operating the plate material processing machine.

(Example) Hereinafter, the Example which concerns on this invention is described based on drawing.

Referring to FIG. 3 and FIG. 4, a composite processing machine 1 is used in the present embodiment as an example of a plate material processing machine, and the composite processing machine 1 is a combination of a turret punch press 3 and a laser processing machine 5. Is. The turret punch press 3 is provided with columns on the front and rear of the lower frame 7 (right and left in FIGS. 3 and 4).
9,11 are erected integrally, and the upper frame is attached to the columns 9 and 11.
13 is provided to form a frame.

A disc-shaped upper turret 15 is rotatably provided on the upper frame 13 via a rotary shaft 17, and a lower turret 19 vertically opposed to the upper turret 15 is rotated on the lower frame 7 via a rotary shaft 21. It is provided freely. The upper and lower turrets 15 and 19 are synchronously rotated by a predetermined angle in the same direction by appropriately operating a rotating device (not shown) such as a servo motor.

A large number of upper molds 23 and lower molds 25 having various sizes and shapes are detachably attached to the upper and lower turrets 15 and 19, and a pair of upper and lower molds 23 and 25 have the same size. It has the same shape. In order to punch the plate material W, a ram 27 that is vertically movable is provided near the center of the upper frame 13.

A moving positioning device 29 is provided for moving and positioning the plate material W for punching. More specifically, the first carriage 31 in the movement positioning device 29 is provided so as to be movable in the front-rear direction via the rail 33 attached to the lower frame 7, and the first carriage 31 has a clamp for holding the plate material W. A second carriage 37 having a device 35 is attached so as to be movable in the left-right direction (front and back directions toward the paper in FIG. 3, up and down in FIG. 4).

A fixed table 39 for supporting the plate material W is provided on the upper surface of the lower frame 7, and movable tables 41 fixed to the first carriage 31 are arranged on both left and right sides of the fixed table 39.

With the above configuration, the plate material W gripped by the clamp device 35 is moved by moving the first carriage 31 in the front-back direction and moving the second carriage 37 in the left-right direction.
It is moved and positioned to a predetermined position between the upper turret 15 and the lower turret 19. Further, as described above, before or at the same time when the plate material W is moved and positioned, the rotating device is appropriately operated to position the predetermined upper and lower molds 23 and 25 to the vertically lower position of the ram 27. Then, the ram 27 is lowered and the predetermined upper die 23 is pressed, whereby the plate material W can be subjected to predetermined punching processing.

Explaining the laser processing machine 5, the laser processing machine 5 comprises a laser oscillator 43 and a laser processing head 45. The laser oscillator 43 and the laser processing head 45 are optically connected via a photoconductive device 47. There is. Since the laser oscillator 47 may be a general one, the details of this configuration will be omitted.

The laser processing head 45 is appropriately provided on the upper frame 13 of the talent punch press 3 through a vibration-proof structure.
The laser beam LB emitted from the laser oscillator 43 is used as the plate material W.
And irradiates the plate material W with the assist gas. Although detailed illustration is omitted,
The laser processing head 45 is provided with a reflecting mirror 49 that bends and directs the laser beam LB vertically downward and a condenser lens (not shown) that condenses the laser beam LB.

The photoconductive device 47 is appropriately provided on the turret punch press 3 via a vibration-proof structure, and serves to guide the laser beam LB oscillated from the laser oscillator 43 to the laser processing head 45. The photoconductive device 47 is a laser bee LB.
It is equipped with reflecting mirrors 51 and 53 for bending.

With the above configuration, the plate material W gripped by the clamp device 35 is moved by moving the first carriage 31 in the front-back direction and moving the second carriage 37 in the left-right direction.
Positioned vertically below the laser processing head 45. Then, the laser processing head 45 is appropriately operated to irradiate the plate material W with the laser beam LB and jet the assist gas, so that the plate material W can be subjected to desired laser processing.

A chute device 57 is provided at an appropriate position in order to carry out the plate material W to the plate material outlet 55 provided in the lower frame 7 after the desired processing of the plate material W is completed.

For details of the chute device 57, referring to FIGS. 1, 3, and 4, a part of the fixed table 39 is provided on the front side of the upper turret 15 (right side in FIGS. 3 and 4). The constituent first chute 59 is provided so as to be vertically swingable, and the first chute 59 is swung via a swinging means (not shown) such as a fluid pressure cylinder. A second chute 61 is provided below the first chute 59 so as to extend to the plate material take-out port 55. A vibration sensor 63 for detecting that the plate material W has fallen is provided at an appropriate position on the second chute 61. When the vibration sensor 63 does not perform a predetermined detection, the control means 65 is used. An alarm occurs via the alarm message and an alarm message is displayed on an appropriate display device (not shown).

The operation of this embodiment will be described based on the above configuration.

Referring to FIG. 2, a desired processing is performed by a multi-tasking machine 1 including a turret punch press 3 and a laser processing machine 5 (step 1), and after the desired processing is completed (step 2), the first carriage 31, the plate material W gripped by the clamp device 35 via the second carriage 37 is moved to the first chute 59.
While being positioned above, the clamp device 35 is appropriately operated to release the gripped state of the plate material W.

Then, the swinging device is appropriately operated to swing the first chute 59 downward so that the first chute 59 is opened (step 53). As a result, the plate material W is moved to the first chute 59.
The sheet material W is conveyed through the second chute 61 and drops through the second chute 61.
Be transported to. At this time, the multi-tasking machine 1 itself is not operating.

Here, when vibration is detected by the swing sensor 63 (step 4), it can be seen that the plate material W has dropped onto the second chute 61. Then, by the above detection, the first chute 59 swings upward and enters a closed state (step 7), and the operation of the multi-tasking machine 1 itself starts.

If no vibration is detected by the vibration sensor 63, an alarm is generated via the control means 65 and an alarm message is displayed on the display device (steps 4 and 5). As a result, the plate material W does not fall on the second chute 61,
It can be seen that the plate material W is not conveyed through the chute device 57. Then, the plate material W that has not been conveyed is removed from the multi-tasking machine 1 (step 6). Further, the first chute 59 in the open state is swung upward to bring it into the closed state (step 7).

The above operation is performed on the predetermined number of plate materials W, and when the processing of the predetermined number of plate materials W is not completed, step 1
When the processing of the predetermined number of plate materials W has been completed, the operation is completed (step 8).

According to this embodiment, by providing the second chute 61 with the vibration sensor 63 for detecting the fall on the plate material W,
When the vibration sensor 63 does not perform the predetermined detection, an alarm sounds through the control means 65 and an alarm message is displayed on the display device so that the plate material W is fixed on the fixed table 39. It remains, and it can be seen that the plate material W is not conveyed to the plate material outlet 55 through the second chute 61. Therefore, in such a case, the plate material W remains on the fixed table 39 and is quickly removed, so that the plate material W is processed while the plate material W that has not been conveyed remains on the fixed table 35. Since it does not happen, it is relatively unlikely that the combined processing machine 1 (plate material processing machine) will be damaged or that proper processing cannot be performed.

In addition, since the vibration sensor 61 detects that the plate material W has fallen on the second chute 61, the plate material W is thin even if the plate material W has a small thickness or the shape of the plate material W is special. When it has dropped, a predetermined detection can be performed, and it can be seen that the plate material W has been conveyed to the plate material take-out port 55 via the second chute 61.

It should be noted that the present invention is not limited to the description of the above-mentioned embodiment, and for example, the second chute 61 having the vibration sensor 63 is provided on the rear side of the work table of the shearing machine. It can be implemented in various other modes by making appropriate changes such as installation in a plate material processing machine other than the machine 1.

[Effects of the Invention] As will be understood from the above description of the embodiments, in short, the present invention provides a fixed table (39) on a part of a fixed table (39) for supporting a plate (W) in a plate processing machine. The first chute (59) forming a part of the above is swingably provided in the vertical direction, and the second chute (61) communicating with the plate material take-out port (55) is provided below the first chute (59). Provided,
A vibration sensor for detecting that the plate material (W) has fallen from the first chute (59) to the second chute (61) and returning the first chute (59) upward and operating the plate material processing machine ( 63) is provided on the second chute (61).

As is apparent from the above structure, in the present invention, the second chute 61 communicating with the plate material take-out port 55 is provided below the first chute 59 which constitutes a part of the fixed table 39. The chute 61 is provided with a vibration sensor 63 for detecting that the plate material W has fallen from the first chute 59 to the second chute 61, returning the first chute 59 upward, and operating the plate material processing machine. When the plate material W is dropped from the first chute 59 to the second chute 61, the vibration sensor 63 detects it, the first chute 59 is immediately returned to the original state, and the plate material processing machine is operated. .

Therefore, according to the present invention, it is possible to reliably detect the fall of the plate material W from the first chute 59 to the second chute 61, and
The first chute 59 can be quickly returned to the original state and the plate material processing machine can be operated, and safety and efficiency can be improved.

[Brief description of drawings]

The drawings show an embodiment according to the present invention, and FIG. 1 is a schematic view showing a main part of this embodiment. FIG. 2 is a flowchart of this embodiment. FIG. 3 is a side view of the combined processing machine. FIG. 4 is a plan view of the combined processing machine. 1 …… Composite processing machine, 61 …… Second chute 63 …… Vibration sensor

Claims (1)

[Scope of utility model registration request] 1. A part of a fixed table (39) for supporting a plate material (W) in a plate material processing machine is provided with one part of the fixed table (39).
A first chute (59) forming a part is provided swingably in the vertical direction, and a second chute (61) communicating with the plate material take-out port (55) is provided below the first chute (59). A vibration sensor for detecting that the plate material (W) has fallen from the first chute (59) to the second chute (61) and returning the first chute (59) upward and operating the plate material processing machine ( 63) is provided on the second chute (61), and is a chute device in a plate material processing machine.