JPH07121417B2 - Folding system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to a bending processing system suitable for FA (Factory Automation).

(Prior Art) A conventional folding machine is independently arranged in a line and individually operated by an operator carrying a work instruction sheet.

On the other hand, due to the progress of automation technology in recent years, various machines have been automated, and it is just one step towards achieving an unmanned line, and there is an increasing demand for FA in folding machines.

(Problems to be solved by the invention) However, as is well known, since a folding machine is an extremely delicate machine, there are many cases in which manual intervention is unavoidable, let alone unmanned, and semi-automated. The reality is that we can't get out of this area.

When there is no choice but to intervene manually, setup, bending order creation, fine adjustment, work (plate material) supply service, etc.

Therefore, an object of the present invention is to provide a folding system which is suitable for FA in order to save labor and labor for a semi-automatic folding machine.

[Configuration of the Invention] (Means for Solving Problems) In view of the conventional problems as described above, the present invention provides a computer that creates setup information, bending order data, and control data based on a product drawing, Communication between the computer and the bending control device, and a bending control device for controlling the controlled member of the bending machine based on the control data for each process while displaying the setup information and bending order data. In the bending processing system including communication means for performing, the computer manufactures the product and drawing / processing condition input means for inputting processing conditions such as a product drawing to be processed, the number of products, various specifications. Setup information creating means for creating the work type, plate thickness, number of sheets and information required for setup, and a bend order deciding unit for determining the bend order of the work for producing the product. And a die automatic determination means for automatically selecting and determining a die applicable to the work, and a controlled member of the bending machine is controlled for each bending step determined by the bending order determination means. Control data creating means for creating control data for communication, and communication for transmitting various information created by the setup information creating means, bending order determining means, die automatic determining means and control data creating means to the bending control device. The bending control device is divided into control data and processing information into a control data storage unit and a processing information storage unit. Communication control means for storing the respective information, a communication request buffer for temporarily storing a message from the computer side when the processing information storage section and the control data storage section are full, and the processing information A display control unit that reads the stored contents of the storage unit and displays the bending shape of each process on the display unit based on information necessary for setup such as product name, mold name, material and plate thickness, and bending order data, A bending system comprising: an NC control unit that receives control data for each process from the control data storage unit and servo-controls a controlled member of a bending machine.

(Embodiment) An embodiment of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is an explanatory diagram showing an overall outline of a bending system according to an embodiment of the present invention.

As shown in the figure, the computer 1 is installed on the management room side,
A plurality of bending control devices 3 are arranged at the site, and both are connected via a communication means 5 so that two-way communication is possible.

The folding control device 3 is connected to a controlled member of the folding machine 7.

The folding machine 7 has an upper die (punch) 9 and a lower die (die) 11
The lower mold 11 is fixed to the upper end of a ram 13 which is vertically driven by a cylinder device. This folding machine 7
In this case, the work (not shown) inserted by the operator from the front side until it is brought into contact with the back gauge device (not shown) is moved up and down by the lower die 11 to move it to the upper die 9 and the lower die 11. Bend with the song.

The back-and-forth drive of a back gauge device (not shown) and the raising and lowering drive of the ram 13 are controlled by servo devices (not shown).

The bending control device 3 is a display device (CRT) on the panel surface.
And various operation keys, and an NC device for controlling the controlled member of the folding machine 7 is provided inside. Since the display device displays the setup information and the bending order for the convenience of the operator, the display device and the control means for displaying on the device will be collectively referred to as a bending assist device.

As shown in FIG. 2, the computer 1 has a drawing / processing condition input means 15 for inputting drawings and processing conditions.

The drawing / processing condition input means 15 is for inputting product drawings to be processed and conditions such as the number of products and various specifications, and is composed of a drawing input device, a keyboard and the like.

The drawing / machining condition input means 15, the setup information creation means 17, the bending order determination means 19, the die automatic determination means 21,
The control data creating means 23 is connected.

The setup information creation means 17 creates information necessary for setup, such as work type, plate thickness, number of sheets, etc., which is required to bend a predetermined work to produce the product.

The bending order determination means 19 is for automatically determining the bending order of a predetermined work. The bending order is determined by a predetermined algorithm so that the work and the die do not interfere with each other and the workability is good.

The die automatic determination means 21 automatically selects and determines a die applicable to a work when performing a predetermined bending process.

The control data creating means 23 includes the back gauge device and the ram for each bending step determined by the bending order determining means.
The control data for driving 15 is created.

A communication control means 25 is connected to these means 17, 19, 21, 23.

The communication control means 25 transmits the information created by the respective means 17 to 23 to the folding control device 3 via a data medium such as an optical fiber.

Further, the communication control means 25 can receive the information transmitted from the folding control device 3, and in this example, the reception information processing means 27 processes the received information. The received information includes fine adjustment data of the folding machine 7, data of the number of processed products, and the like.

FIG. 3 shows a format of a message transmitted from the computer 1 to the folding control device 3.

As shown, the message includes a product name, control data, setup information, bending order data, and the like. The other message is a communication request command or the like.

FIG. 4 is a block diagram showing functions of the bending control device 3.

As shown, the folding control device 3 has a communication control means 29 connected to the communication control means 25 on the computer 1 side.

The communication control means 29 is connected to the processing information storage unit 31, the control data storage unit 33, the communication request buffer 35, and the transmission information storage unit 37.

The communication control means 29 decomposes the input message into control data and other processing information, and stores these data and information in the control data storage unit 33 and the processing information storage unit 31, respectively. Further, when there is a transmission request from the transmission information storage unit 37 to the computer 1, the communication control means 29 transmits the information stored in the transmission information storage unit 37 to the computer 1 in response to the request. To do.

The communication control means 29 is connected to the communication request buffer 35, and the buffer 35 is connected to the communication request notification unit 39. The communication control means 29 stores the input message in the temporary communication request buffer 35 when the processing information storage unit 31 and the control data storage unit 33 are full even though the message is input from the computer 1 side. To do. At this time, the communication request buffer 35 sends the communication request to the communication request notification unit.
Output to 39. The communication request notification unit 39 is composed of, for example, a lamp, and the operator can know that there is a communication request by turning on the lamp.

The processing information storage unit 31 and the control data storage unit 33,
It is connected to the display control unit 41. Control data storage unit 35
Are also connected to the NC control unit 43. A display control unit 41,
The transmission information storage unit 37 and the NC control unit 43 are connected to the operation unit 45. The display control unit 41 is connected to the display unit (CRT).

The display control unit 41 causes the CRT 27 to perform the following display based on the operation of the operation unit 45.

Display of setup information At the start of processing, a part of the stored contents of the processing information storage unit 31 is read and information necessary for setup such as product name, mold name, material, and plate thickness is displayed. It is also possible to display other information or the like stored in the processing information storage unit 31 according to a command from the operation unit 45.

Bending order display The CRT 47 can display the bending shape of each step by searching the display data attached to the bending order data, as shown in FIG. The operator can determine the work supply posture by looking at this display.

The NC control unit 43 receives the control data for each process from the control data storage unit 33 based on the process operation from the operation unit 45 that is sequentially advanced, and servo-controls the controlled members such as the back gauge device and the ram 15. To do.

With the above system configuration, the computer 1 on the management room side shown in FIG. 1 can create setup information, bending order data, and control data based on the product drawing,
These can be included in a message and sent to the folding control device 3.

On the other hand, the bending control device 3 on the site side can control the controlled member of the bending machine 7 based on the control data for each process while receiving the message and displaying the setup information and the bending order data. it can.

Therefore, the operator can efficiently perform the predetermined bending process while referring to the display shown in FIG.

Further, in this example, since the communication means 5 is configured to be capable of bidirectional communication, it is possible to transmit information from the site side, such as adjustment data and the processed number of products, to the management room side, and system management. Can be done efficiently.

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

For example, the message may include various types of manual information required by the operator, and the manual information may be output by a printer attached to the folding control device 3.

Further, in the above embodiment, the setup and the work supply service are all performed manually, but the service may be executed by the robot within a possible range.

[Effects of the Invention] As can be understood from the above description of the embodiments, the present invention provides a computer 1, a folding control device 3 for controlling a controlled member of the folding machine 7, a computer 1 and the folding device. The computer 1 is provided with a communication means 5 for communicating with the music piece control device 3, and the computer 1 includes a drawing / machining condition inputting means 15, a setup information creating means 17, and a bending order determining means 19. , Die automatic determination means 21 and control data creation means 23
The bending control device 3 includes the communication control means 29, the processing information storage unit 31, the control data storage unit 33, and the communication request buffer 35.
And a display control unit 41, a display unit 47 and an NC control unit 43.

Therefore, according to the present invention, the drawing / processing condition input means
When processing conditions such as product drawings, the number of products, various specifications are input from 15, setup information, bending order information, applicable mold information and control data are created in the computer 1 and bent through the communication control means 25. It is transmitted to the control device 3.

Then, in the bending control device 3, the product name, mold name,
Information necessary for setup such as material and plate thickness and the bending shape of each process are displayed on the display unit 47, and based on the control data.
The NC control unit 43 performs servo control of the controlled member of the folding machine 7.

Therefore, from the computer 1 to the plurality of folding control devices 3
The folding machine 7 can be controlled by transmitting necessary information to the folding machine 7, and the operator of each folding machine 7 can carry out a predetermined work according to the contents displayed on the display unit 47. Semi-automatic labor saving and labor saving of the bending machine can be achieved.

[Brief description of drawings]

Each of the drawings shows an embodiment, FIG. 1 is an explanatory diagram showing an overall outline of a bending processing system according to an embodiment of the present invention, and FIG. 2 is a block showing a functional configuration of a management room side computer. FIG. 3 and FIG. 3 are explanatory views showing the content of the message, FIG. 4 is a block diagram showing the functional configuration of the folding control device, and FIG. 5 is an explanatory view of a display example of the display device. 1 …… Computer in the control room 3 …… Bending control device on site 5 …… Communication means 7 …… Bending machine 17 …… Setup information creating means 19 …… Bending order determining means 23 …… Control data creating means 41… … Display controller 43 …… NC controller

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yasuo Mochizuki, Amada Co., Ltd., 200 Ishida, Isehara City, Kanagawa Prefecture (56) References JP-A-57-195537 (JP, A) JP-A-58-103918 (JP, A)

Claims (1)

[Claims] 1. A computer (1) for creating setup information, bending order data and control data based on a product drawing, and a control data for each process while displaying the setup information and bending order data. Folding machine (7)
Bending process comprising a bending control device (3) for controlling the controlled member of the device and a communication means (5) for communicating between the computer (1) and the bending control device (3). In the system, the computer (1) includes a drawing / machining condition input means (15) for inputting machining conditions such as product drawings to be machined, the number of products, and various specifications, and a work type required to manufacture the product. , Setup information creation means (17) for creating information required for plate thickness, number of sheets and setup, and bending order determination means (19) for determining the bending order of the work for producing the product,
A die automatic determining means (21) for automatically selecting and determining a die applicable to the work, and a bending machine (7) for each bending step determined by the bending order determining means. Control data creating means (23) for creating control data for controlling the control member, the setup information creating means (17), bending order determining means (19), die automatic determining means (21) and control data creating Communication control means (25) for transmitting various information created by means (23) to the folding control device (3), wherein the folding control device (3) comprises the communication control means ( Communication control means (29) for decomposing a message input via 25) into control data and processing information and storing them in the control data storage section (33) and the processing information storage section (31), respectively.
The processing information storage unit (31) and the control data storage unit (33)
Request buffer (35) for temporarily storing the message from the computer (1) when the computer is full
Reading the stored contents of the processing information storage section (31),
A display control unit (41) for displaying the bending shape of each process on the display unit (47) based on information necessary for setup such as product name, mold name, material and plate thickness, and bending order data, and the control data. A bending system, comprising: an NC control unit (43) that receives control data for each process from a storage unit (33) and servo-controls a controlled member of the bending machine (7). .