JPH03184631A - Bent products transferring method and its device - Google Patents

Abstract

PURPOSE:To prevent the products from being damaged and to automatically operate the system by transferring the products transferred out with the manipulator from the fixed inclining table to the movable inclining table, stacking them on the fork of the fork unit with the pusher device and transferring to the carrying out side. CONSTITUTION:When the products worked with the plate material bending machine 1 are mounted on the fixed inclining table 23 with the manipulator 3, the products are moved along the slope and moved to on the movable inclining table 25. And the products are stopped on the movable inclining table, the movable inclining table 25 moves to the horizontal state and the products on the movable inclining table 25 are transferred with the pusher device 27 to the form unit 31 provided with plural forks and the products on the fork are carried out to the transferring out side in one lot.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method and apparatus for carrying out bent products that have been bent in a bending machine such as a press brake.

(Prior art) Conventionally, in a bending machine such as a press brake, the bent product is carried out by gripping one side edge of the product with a manipulator provided on the front side of the press brake. Transfer it to a tilting table set up on the side,
A common method was to transport and fall the products along an incline using their own weight to accumulate them.

(Problem to be Solved by the Invention) By the way, in the conventional method of transporting folded products, the products are dropped and stacked using a tilting table. In particular, there was a problem that products such as rib-shaped products could not be accumulated and the products would be damaged.

The purpose of this invention is to improve the above-mentioned problems by stacking a plurality of products on the fork of the pusher unit and sending the products to the delivery side, thereby increasing the amount of products accumulated and without damaging the products. The object of the present invention is to provide a method for conveying a fried product and an apparatus for the same, which enables continuous operation of the system.

[Structure of the invention]

(Means for Solving the Problems) In order to achieve the above object, the present invention provides a manipulator on the front side of a sheet material bending machine that grips one side edge of the temporary phase and can move up and down and freely rotate. When carrying out a product processed by a manipulator, the product transferred and transferred by the manipulator onto a fixed tilting table is transported onto a movable tilting table, and the movable tilting table is brought into a horizontal state and perpendicular to the movable tilting table. This is a method of transporting bent products in which the products are transferred to a fork unit equipped with multiple forks using a pusher device installed as a pusher device, the products are accumulated on the forks of this fork unit, and the products are sent all at once to the transport side. .

In addition, the present invention provides a manipulator that grasps one side edge of the plate 4 on the front side of the plate bending machine and can move up and down and freely rotate, and a product carrying-out device for carrying out the product processed by this manipulator. , a fixed tilting table tilted in the product delivery direction, a movable tilting table that is an extension of the fixed tilting table and can be freely displaced between a tilted state and a horizontal state, and a pusher device provided perpendicularly on the movable tilted table. and a fork unit in which a plurality of forks are provided on the forward and backward movable motor 7E facing the pusher device, to constitute a device for carrying out bent products.

(Function) By employing the method and device for carrying out bent products of the present invention, the processed product is placed on a fixed tilting table using a manipulator, and the placed product moves along the slope. Move onto a movable tilting table.

When the products are stopped on the movable tilting table, the movable tilting table is moved to a horizontal state and the products on the movable tilting table are pushed toward the accumulation side by the pusher device. At that time, the fork of the fork unit provided opposite the pusher device is at the forward limit, that is, the position where the product can be transferred by being pushed out by the pusher device, and when the product is filled on the fork, the fork moves backward, and the fork moves backward. The products above are sent in bulk to the unloading side.

Therefore, the stacking direction of the products is arranged, the amount of stacking is increased, and even products with a rib shape can be stacked and carried out, and the system can be operated continuously without damaging the products.

(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings.

To facilitate understanding, first, the overall configuration of the sheet material bending machine, sheet material loading and product unloading device will be schematically explained.

Referring to FIG. 4, a sheet material bending machine 1 includes, for example, a press brake, and a manipulator 3 is mounted on the front side of the sheet material bending machine.

The temporary phase bending machine 1 is equipped with an upper frame 5 and a lower frame 7 (partially not shown), similar to a press brake in the membrane, and the upper frame 5 has an upper mold 9.
is attached removably. Further, a lower die 11 is attached to the lower frame 7.

With the above configuration, as is well known, the upper and lower frames 5, 7
The plate material interposed between the upper mold 9 and the lower mold 11 is bent by moving one of them up and down and engaging the upper mold 9 and the lower mold 11.

The manipulator 3 has a known configuration and will not be described in detail; however, in this embodiment, the manipulator 3 is attached to a base plate (not shown) or integrally attached to a lower frame 7 that can be raised and lowered via a moving table. It is attached and can be moved left and right. Furthermore, the plate material gripping section 13 of the manipulator 3 is provided to be vertically movable and pivotable by various power transmission mechanisms.

With the above configuration, the plate material gripping part 13 of the manipulator 3 grasps one side edge of the plate material carried by the plate material carrying device described later, moves the manipulator 3, and positions the plate material at a predetermined bending position, A sheet material bending machine 1 performs processing such as box bending.

The processed product is transferred to the plate gripping section 13 of the manipulator 3.
The product is gripped by the machine and transported to the product delivery device, which will be described later.

At the side of the sheet material bending machine 1, a sheet material carrying-in device 15 for carrying in the sheet material and a product carrying-out device 17 for carrying out the bent product to the next process are arranged.

Although some parts of the plate material carrying-in device 15 are not shown in the drawings, the plate material carrying-in device 15 includes a cart on which a plate material is mounted and runs on one rail, and a loading/unloading device 21.

With the above configuration, the loading/unloading device 21 picks up one plate from the plate placed on the cart, and folds the plate by gripping one side edge of the plate with the plate gripping section 13 of the manipulator 3. It is carried into a predetermined position of the bending machine 1.

In the product unloading device 17, a fixed tilting table 23 on which the product transported by the manipulator 3 is placed is provided above the plate loading device 15, and the product unloading direction is the same as that of the sheet bending machine 1. It is configured to be carried out to the front.

Further, a movable tilting table 25 is provided on an extension of the fixed tilting table 23, and is flush with the tilt of the fixed tilting table 23, and is also movable in a horizontal state.A pusher device is mounted on the movable tilting table 25. 27 orthogonal to each other.

With the above configuration, the product carried out by the manipulator 3 is placed on the fixed tilting table 23, and the product moves along the tilt by its own weight and is carried out onto the movable tilting table 25. The products transferred onto the movable tilting table 25 are pushed out in a direction perpendicular to the movable tilting table 25 by the pusher device 27 after the movable tilting table 25 is displaced to a horizontal state by the operation of, for example, a hydraulic cylinder.

The products pushed out by the pusher device 27 are transferred to the accumulation device 2
When the forks are filled with products, the forks are pulled out and transferred onto, for example, a product lifter device 33. The above-mentioned product unloading device 17 may be installed on the side of the sheet material bending machine 1 on the rear side of the sheet material bending machine, and the product lifter device 33 of the accumulation device 29 is ,
It is also possible to adopt a configuration in which the product is transported to the rear stage in place of the lower stage of transport such as a roller conveyor or belt conveyor.

Next, the fork unit 31, which is the main part of this embodiment, will be explained in more detail.

Referring to FIGS. 1 to 3, although not shown, a fork unit 31 is provided opposite the pusher device 27, and the fork unit 31 is attached to an upper beam 37 of a pedestal 35 extending in the direction of movement of the product. A support beam 39 is fixed vertically,
A rail 41 is installed on the lower surface of the support beam 39 in the longitudinal direction of the support beam 39 . A plurality of guide members 43 such as LM guides are engaged with the rail 41, and the guide members 43 are integrally provided with the fork 45.
is vertically installed on the rail 41.

More specifically, the fork body 47 of the fork 45 is made of a rod-shaped or L-shaped rod, and the upper surface is provided with four flat product sliding surfaces.
each fork body 47 is made up of a support plate 5
1 with a bolt 53 or the like. The support plate 51 is engaged with the guide member 43 described above, and the rail 4
It is installed vertically at 1.

With the above configuration, the fork body 47 can freely move forward and backward along the rail 41 via the guide member 43 (in the left-right direction in FIGS. 1 and 2, and in the front-back direction perpendicular to the plane of the paper in FIG. 3). .

As a driving device for moving the fork body 47 forward and backward, a cylinder 57, such as a rodless cylinder, is fixed to the side surface of the support beam 39 via a bracket 55, and five driving parts of the cylinder 57 are fixed with bolts, nuts, etc. A support plate 51 including the fork body 47 is locked through a connecting member 61 .

With the above configuration, the drive section 59 moves by operating the cylinder 57, and the drive section 59 is integrally provided with the support plate 51 and the fork body 47 via the connection member 61, so the fork body 47 will move forward and backward.

In order to detect the forward limit or backward limit of the fork body 47 and stop the operation of the cylinder 57, the drive unit 59
A detection member 63 such as a proximity switch is provided on the support beam 39, and a detection member 65 such as a proximity switch is provided on the support beam 39 to detect when the fork body 47 is filled with products. 51.

Further, in order to prevent dust from adhering to or accumulating on the sliding surface of the rail 41 and the product sliding surface 49 of the fork body 47, protective covers 67a to 67d are provided on the top and each side surface of the pedestal 35, and the protective cover 67d is provided with protective covers 67a to 67d. The fork body 47
Six openings are provided for entry and exit. In addition, code 7
Reference numeral 1 denotes a height adjustment member, which adjusts the height between the product sliding surface 49 of the fork body 47 and the product delivery surface of the pusher device 27.

With the above-mentioned configuration, as for its operation, referring also to FIG.
Place it on top. The placed product is transferred onto the movable tilting table 25 along the slope by its own weight, and after the movable tilting table 25 is displaced to a horizontal state, the product is pushed out by the pusher device 27.

At this time, the fork 45 of the fork unit 31 is moved forward and on standby, and the pusher device 27 transfers the products one after another onto the fork body 47. When the fork body 47 is filled with the product, the detection member 65 detects and the cylinder 57 to move the fork body 47 backward. When the fork body 47 retreats, the product comes into contact with the protective cover 67d, and the product on the fork body 47 is transferred to the product accumulating device 29, such as the product lifter device 33, and carried out.

Therefore, it is possible to adjust the stacking direction of the products in units of T, and to arrange a plurality of products and transfer them all at once to the delivery side, increasing the stacking amount. This allows for continuous operation of the system without damaging the product.

Note that the present invention is not limited to the embodiments described above, and can be implemented in other embodiments by making appropriate changes.

〔Effect of the invention〕

As can be understood from the above description of the embodiments, according to the present invention, the product carried out by the manipulator is carried out from the fixed tilting table to the movable tilting table, and the product is pushed onto the fork of the fork unit by the pusher device. Accumulate and transfer to the unloading side.

Therefore, the stacking direction of the products is adjusted and multiple products are transferred onto the fork, and then transferred all at once to the unloading side, so the stacking amount can be increased, and even products with rib shapes etc. This allows for continuous operation of the system without damaging the product.

[Brief explanation of drawings]

1 to 3 show the main parts of the present invention, FIG. 1 is an enlarged sectional view taken along line I-1 in FIG. 4, and FIG. 2 is a plan view including a partial cross section in FIG. 1. , FIG. 3 is a side view including a partial cross section in FIG. 1. FIG. 4 is an explanatory diagram of the overall layout of a sheet material bending machine and a loading/unloading device according to an embodiment of the present invention. 1...Plate material bending machine 3...Manipulator 17...Product unloading device 23...Fixed tilting table 25...Movable tilting table 27...Pusher device...Fork unit 5... fork

Claims (2)

[Claims] (1) A manipulator that grasps one side edge of the plate material and can move up and down and rotate freely is provided on the front side of the plate bending machine, and when carrying out the product processed by this manipulator, the manipulator is placed on a fixed tilting table. The products carried out and transferred are transferred onto a movable tilting table, and this movable tilting table is placed in a horizontal position, and a pusher device installed perpendicularly to the movable tilting table is used to transfer the products to a fork unit equipped with multiple forks. A method for carrying out bent products, which is characterized in that a plurality of products are transferred, stacked on the forks of this fork unit, and sent out all at once to a carry-out side. (2) A manipulator that grasps one side edge of the plate material and can move up and down and rotate freely is provided on the front side of the plate bending machine, and a product carrying-out device is installed to carry out the product processed by this manipulator, and the product is carried out in the product carrying-out direction. a fixed tilting table tilted to a fixed tilting table, a movable tilting table that is an extension of the fixed tilting table and can be freely displaced between a tilted state or a horizontal state, a pusher device provided perpendicularly on the movable tilted table, and the pusher device. A fork unit having a plurality of forks facing the device and movable back and forth. A device for carrying out bent products.