JPH04240058A - Method and system for polishing workpiece - Google Patents

Abstract

PURPOSE:To provide a method and system for polishing a work, with which the configuration of devices constituting the polishing system can be altered as any desired. CONSTITUTION:A data terminal DT of a host computer 4 is installed for data carrier DT mounted on a plurality of pallets 2, 2 transported on the transport line 1, and also is installed a data terminal DT of a programmable controller PC or a control computer for controlling various devices arranged along the transport line 1. Every time a work or works are cast onto any pallet 2 in a work carry-in station, the work conditions and processing conditions are entered into the host computer, and the recommendable polishing conditions selected by the host computer are written in the data carrier of the applicable pallet. When this pallet is transferred to the position with various devices, the data terminal of the programmable controller reads the operation data in the data carrier, and the specified operations are performed.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] This invention enables the computer to input the conditions such as the material and shape of the workpiece and the processing purpose such as the purpose of polishing into a computer, and then the computer selects each polishing device group based on the pre-stored data. The present invention relates to a workpiece polishing method and a polishing system in which the optimum device in a group of devices is selected, operating conditions are instructed, and the workpiece is automatically polished according to the instructions.

0002

[Prior Art] Conventionally, the conditions of the workpiece and the conditions of the purpose of machining are input into a host computer, and based on the recommended polishing device and recommended machining conditions output from the computer, the workpiece is conveyed, and the polishing device group and the polishing device are A method for polishing a workpiece in which the operations of a pre-processing device group, a post-processing device group, and other devices attached to the group are controlled, and a polishing system for carrying out such a method have been proposed (for example, Japanese Patent Publication No. 1983 -59821, Japanese Patent Application No. 1-323260, Japanese Patent Application No. 2-186507).

[0003] The polishing method and system as described above are
It was possible to effectively utilize the accumulated polishing software (selection of polishing equipment, determination of polishing conditions, etc.) and to apply the optimum polishing to the workpiece according to the purpose.

0004

However, in conventional polishing methods and polishing systems, the host computer directly controls various devices such as a group of polishing devices. It is necessary to determine the program to be given to the host computer, and therefore, when changing the configuration of the device group, there is a problem in that the program of the host computer must be modified or changed.

The present invention has been made in view of the above-mentioned problems, and an object thereof is to provide a method for polishing a workpiece and a polishing system in which the configuration of a group of devices constituting the polishing system can be freely configured.

[0006]

[Means for Solving the Problems] In order to achieve the above object, in the present invention, a workpiece is conveyed via a pallet provided with a data carrier, and the data carrier is used to select a polishing device and the device. Data is transmitted between a host computer, which determines the operating conditions of the system, and a computer or programmable controller for controlling a polishing device or the like installed in the system.

That is, in the method of polishing a workpiece according to the present invention, conditions such as the material and shape of the workpiece and the conditions for the purpose of machining are input into a computer, a recommended polishing device and recommended machining conditions are selected, and based on the selection, The transportation of the workpiece and the operation of the polishing device group, the pre-processing device group, the post-processing device group, and other devices attached to the polishing device group are controlled so as to match the selection device and the selection processing conditions. In the method for polishing a workpiece, the workpiece is transported on a pallet that is transported on a transport line, and output regarding work conditions from the host computer is sent to a data carrier provided on the pallet for writing various data. Data is written according to the conditions set at the start of transportation, and the polishing device group and the devices attached to the polishing device group read the data written in the data carrier for each pallet transferred on the transportation line, and It is characterized in that a predetermined operation is performed on the workpieces housed on the pallet based on the read data.

[0008] In this method of polishing a workpiece, the polishing apparatus group and the apparatus group attached to the polishing apparatus group further include:
The results of the operations performed on the workpieces are written on the data carriers of the pallets, and at the discharge station of the transfer line, a computer reads the data of the operation results written on the data carriers of the pallets.

The workpiece polishing system of the present invention, which implements the workpiece polishing method described above, includes a polishing device group, a pre-processing device group, a post-processing device group, and other device groups attached to the polishing device group. and a conveying means for conveying the workpiece to the polishing apparatus group and the apparatus group attached to the polishing apparatus group, and controlling the conveying means, the polishing apparatus group, and the apparatus group attached to the polishing apparatus group. In the workpiece polishing system, the conveyance means includes a pallet and a conveyance line for conveying the pallet, and the computer controls conditions such as the material and shape of the workpiece, and It is composed of a host computer for outputting work data according to the conditions of the processing purpose, and a control computer or programmable controller that controls the polishing equipment group and the equipment group attached to the polishing equipment group, and the host computer and the control A data carrier is provided on the pallet for data transmission between control computers or programmable controllers, and each control computer or programmable controller is provided with a data terminal, and data is written and transmitted between the data carrier and the data terminal. / or readable.

In the above-mentioned workpiece polishing system, the pallet may have a structure that can accommodate the workpiece to be polished and the polishing stone, water, and compound used during polishing. It is desirable that the bucket be configured with a bucket exclusively for the mass (a mixture of polishing stone, water, compound, workpiece, etc.) and a bucket exclusively for the mass (mixture of polishing stone, water, compound, workpiece, etc.) so that they can be stored separately.

[0011] Further, the polishing equipment group can be arbitrarily selected as long as it is a polishing equipment that can be controlled by a computer, and includes, for example, a rotary barrel polishing machine, a vibrating barrel polishing machine, a centrifugal barrel polishing machine, and a vortex barrel polishing machine. , there is a heavy rotation barrel polishing machine. One or more types of these polishers constitute a polishing apparatus group.

The same applies to the equipment groups that accompany the polishing equipment group, such as a pre-processing device, a polishing stone supply device (including a stock device), and a compound supply device (including a stock device).
, water supply equipment (including stock equipment), sorting equipment, post-processing equipment, precision inspection equipment, etc. One or more of these devices constitute an auxiliary device group.

The host computer has a built-in expert system and outputs recommended polishing conditions according to the processing purpose.

[0014]

[Operation] In this invention, data output from a host computer is recorded on a data carrier provided on a pallet, and the data carrier is moved on a conveyance line in correspondence with a workpiece. The various devices into which the pallet has entered perform necessary operations on the workpiece according to the data recorded on the data carrier. In other words, from the equipment side, when data for the own equipment is recorded, the workpiece is processed according to that data, and when data for the own equipment is not recorded, the pallet is released without any processing. .

[0015] Therefore, by providing certain data and programs to the host computer, the configurations of the polishing apparatus group and the auxiliary apparatus group can be freely changed.

[0016]

[Example] FIG. 1 is a system diagram of a workpiece polishing system according to an example, in which data carriers (abbreviated as DC) are provided on a plurality of pallets 2, 2 that are transported through a circular conveyance line 1.
3. In contrast to 3, a data terminal (abbreviated as DT) of a host computer 4 that may include an expert system.
5, 6 are installed, and control computers or programmable controllers (abbreviated as PC) 7, 8, for controlling various devices (described later based on FIG. 2) installed along the conveyance line 1. Data terminals 9, 10, 11, and 12, 13, 14, and 15, are installed.

The data carriers 3, 3 and the data terminals 5, 6, 13 to 15 are capable of wirelessly writing and reading data, for example, the data carrier system (trademark: FANDAS) manufactured by Fuji Electric Co., Ltd.
).

Programmable controllers 8, 9, 10
and 12 indicate a part configured as a group of a plurality of devices, such as a rotary barrel polisher, a vibrating barrel polisher, and a centrifugal barrel polisher, and each device has programmable controllers 8, 9, and 10. A programmable controller 1 is installed to centrally control the entire group.
This means that 2 is installed. Moreover, these programmable controllers can be replaced by a control computer.

FIG. 2 shows the transport line 1 and the transport line 1.
This figure shows the configuration of various devices installed along the route.

The conveyance line 1 is composed of an endless type free flow conveyor, and the pallets 2 are circulated on the conveyance line 1 by a drive mechanism (not shown).

A workpiece loading station 16 and a workpiece unloading station 17 are formed on the conveyance line 1, and from the workpiece loading station 16 along the pallet transfer direction indicated by an arrow 18, a pretreatment device group 19, a polishing stone A stocker and supply device group 20, a compound, water, stocker and supply device group 21, a polishing device group 22, a sorting device group 23, a post-processing device group 24, and a precision inspection device group 25 are installed in this order. Each device group has a control computer or a programmable controller (if the device group consists of multiple devices, it is the programmer controller 12 in FIG. 1, and if it consists of a single device, it is the programmable controller in FIG. 1). 7, 11, etc.), and the operation of each device group is controlled by the control computer or programmable controller, and a data terminal (Fig. 1) connected to the control computer or programmable controller is provided. data terminals 13, 14, 15) are installed along one side of the conveyor line 1. A data terminal 5 connected to the host computer 4 is installed at the workpiece loading station 16.
is installed at the workpiece unloading station 17.

As shown in the figure, the pallet 2 is composed of two independent buckets 2a and 2b.
The bucket a can be used as a bucket exclusively for workpieces, and the bucket 2b can be used as a bucket exclusively for mass. Further, the data carrier 3 is attached to the outer wall of the pallet 2.

In the workpiece polishing system as described above, the host computer 4 has an expert system built in that stores polishing software data and programs that are know-how for barrel polishing, and at the workpiece loading station 16, Bucket 2 for workpieces on pallet 2
Each time a workpiece is input into the host computer 4, the workpiece conditions such as the material of the workpiece and the machining conditions such as the finishing purpose are input to the host computer 4. ) is selected and the data is written from the data terminal 5 to the data carrier 3 of the pallet 2.

Thereafter, the pallet 2 is transported on the conveyance line 1, and when it reaches the positions of various equipment groups installed along the conveyance line 1, the data terminals of each equipment group are written in the data carrier 3 of the pallet 2. The data is read and the control computers or programmable controllers of the various equipment groups control the operations of the equipment groups according to the work data transmitted from the data terminal.

An example of the operation of each device group for one pallet 2 is as follows. That is, in the pretreatment device group 19, the workpieces placed in the workpiece-dedicated bucket 2a of the pallet 2 are degreased and cleaned. In the polishing stone stocker and supply device group 20, specified polishing stones are supplied to the mass-dedicated bucket 2b of the pallet 2. Also, compound, water, stocker and supply equipment group 2
In step 1, required amounts of specified compound and water are supplied to the mass-dedicated bucket 2b.

Up to this point, the preparation work for polishing is completed. In each device group, the contents of work performed under the operation control of a control computer or programmable controller are written from a data terminal to a data carrier 3 provided on a pallet 2.

Next, in the polishing device group 22, the workpieces, polishing stones, water, and compound stored in the pallet 2 are fed into the specified polishing device written in the data carrier 3, and the rotation speed is increased. The polishing work is performed under specified working conditions regarding vibration frequency, amplitude, polishing time, etc. After polishing is completed, the mass is put into the massing bucket 2b and transferred to the sorting device group 23. After sorting, the workpiece is returned to the workpiece bucket 3a and the polishing stone is returned to the massing bucket 2b.

The sorted workpieces are then sent to the post-processing device group 2.
4, where specified cleaning is performed in a specified post-processing device. When such post-processing is completed and the workpiece is transferred to the precision inspection equipment group 25, specified elements such as workpiece size, shape, surface roughness, brightness, etc. are inspected by designated equipment (full inspection is also possible). will be held.

Also in the device groups after the polishing device group 22,
The contents of the work are written to the data carrier 3 of the pallet 2 from the data terminal when the work is completed.

The pallet 2 is the workpiece unloading station 17
When the workpiece is reached, the workpiece in the workpiece bucket 2a is taken out, and the data in the data carrier 3, in which work data, inspection data, etc. are written, is read into the host computer 4 via the data terminal 6. Then, the next unprocessed workpiece is at the workpiece loading station 16.
Then, the workpiece is put into the workpiece-dedicated bucket 2a, and the workpiece is degreased and cleaned. Next, in the polishing stone stocker and supply device group 20, the used polishing stones are collected from the mass-dedicated bucket 2b, and based on the data in the data carrier 3, the polishing stones of the unprocessed workpiece are collected into the mass-dedicated bucket 2b.
and then repeat the same operations as above. Table 1 is
This is an example of work data read into the host computer 4. Table 2 is an example of inspection data performed by the accuracy inspection device group 25. When shipping a workpiece, the corresponding work data and inspection data can be printed out using a printer (abbreviated as PR) 26 and attached to the workpiece as a data sheet.

[0031]

[Table 1]

[0032]

[Table 2] Although the examples have been described above, the present invention is not limited to the examples. For example, the conveyor line 1 is not limited to an annular shape, but may be constructed along a straight line or a curved line, and a device for returning pallets from the workpiece discharge station 17 to the workpiece carry-in station 16 may be installed. Further, among the various equipment groups installed along the conveyance line 1, it is possible to further install other equipment groups as necessary, and it is also possible to remove unnecessary equipment groups or devices within the equipment group. is also possible. In such a case, there is no need to change the contents of the expert system built into the host computer 4, and therefore the system configuration can be easily changed.

[0033]

As explained above, according to the present invention, each control computer controls the operation of various equipment groups through a data carrier provided on a pallet with working condition data specified by a host computer. Alternatively, since the information is transmitted to a programmable controller, it is possible to provide a workpiece polishing method and a polishing system in which the configuration can be changed arbitrarily and easily.

[Brief explanation of the drawing]

[Figure 1] Systematic diagram of an embodiment of this invention

[Fig. 2] A diagram showing the configuration of the conveyance line and various devices in the same example.

[Explanation of symbols]

1 Transport line 2 Pallet 2a Workpiece bucket 2b Mass bucket 3 Data carrier DC 4 Host computer 5, 6, 13, 14, 15 Data terminal DT7
, 8, 9, 10, 11, 12 Control computer or programmable controller PC 16 Workpiece loading station 17 Workpiece loading station 19 Pretreatment device group 20 Polishing stone stocker and supply device group 21 Compound, water, stocker and supply device group 22
Polishing equipment group 23 Sorting equipment group 24 Post-processing equipment group 25 Accuracy inspection equipment group

Claims (1)

[Scope of Claims] [Claim 1] Conditions such as the material and shape of the workpiece and the conditions of the processing purpose are input into a host computer, and work conditions such as recommended polishing equipment and recommended processing conditions are selected. Based on the selected processing conditions, the transport of the workpiece and the operation of the polishing equipment group, the pre-processing equipment group, the post-processing equipment group, and other equipment groups attached to the polishing equipment group are controlled so as to match the selection device and the selected processing conditions. In the method for polishing an object, the workpiece is transported on a pallet that is transported on a transport line, and output data regarding work conditions from the host computer is sent to a data carrier provided on the pallet for writing various data. The polishing device group and the devices attached to the polishing device group read the data written in the data carrier for each pallet transferred on the transportation line, and write the data according to the condition setting at the start of transportation. [Claim 2] The method for polishing a workpiece according to claim 1, further comprising: performing a predetermined operation on a workpiece housed in a pallet based on the , the group of polishing devices and the devices associated with the group of polishing devices write the results of the operations performed on the workpieces on the data carriers of the pallets, and at the discharge station of the transfer line, the computer writes the results of the operations performed on the workpieces on the data carriers of the pallets. A method for polishing a workpiece, characterized in that the data on the results of the polishing operations are read.Claim 3: A polishing device group, a pre-processing device group, a post-processing device group, and other devices attached to the polishing device group. and a conveying means for conveying the workpiece to the polishing apparatus group and the apparatus group attached to the polishing apparatus group, and controlling the conveying means, the polishing apparatus group, and the apparatus group attached to the polishing apparatus group. In the workpiece polishing system, the conveyance means includes a pallet and a conveyance line for conveying the pallet, and the computer polishes the workpiece according to the conditions of the workpiece and the conditions of the processing purpose. a host computer for outputting work data; and a control computer or programmable controller for controlling the polishing apparatus group and a group of devices attached to the polishing apparatus group; For data transmission between the pallets, a data carrier is provided on the pallet, each control computer or programmable controller is provided with a data terminal, and data can be written and/or read between the data carrier and the data terminal. 4. A workpiece polishing system characterized in that the pallet is provided with a bucket dedicated to the workpiece and a bucket dedicated to mass (a mixture of polishing stone, water, compound, workpiece, etc.) A polishing system for a workpiece according to claim 5. The polishing apparatus group includes a rotating barrel polishing machine, a vibrating barrel polishing machine, a centrifugal barrel polishing machine, a vortex barrel polishing machine,
The workpiece polishing system according to claim 3, comprising one or more types of heavy rotation barrel polishing machines [Claim 6]
] The equipment group associated with the polishing equipment group includes one or more of the following: pre-processing equipment, polishing stone supply equipment, compound supply equipment, water supply equipment, sorting equipment, post-processing equipment, and precision inspection equipment.
7. The workpiece polishing system according to claim 3, wherein the host computer has a built-in expert system.