JPH0748630A - Heat treatment apparatus - Google Patents

Abstract

PURPOSE:To make a heat treatment operation efficient by parallel arranging an automatic storehouse with a heat treatment line. CONSTITUTION:The automatic storehouse 2 and the heat treatment line 3 are arranged in an identical building 1. At the time of storing a work into the automatic storehouse 2, data of this work are inputted into a computer 21 from a touch panel 25 and can be displayed on a CRT 22. The data stored in the automatic storehouse 2 are held to a sequencer 26 in the automatic storehouse 2 and the automatic storehouse 2 is automatically operated based on the data. Further, the data of the work outputted in the heat treatment line 3 are held to the sequencers 27, 28, 29 in the heat treatment line 3, and the heat treatment line 3 is automatically operated based on the data. At the time of executing carburization-treatment to the work in the carburizing furnaces 151, 152, the data of this time, atmosphere in the furnace, etc., are inputted in the computer 21 and observed in the CRT.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat treatment apparatus for subjecting a work to a predetermined heat treatment, and more particularly to a heat treatment apparatus in which the work efficiency is improved by combining an automatic warehouse with a heat treatment line.

[0002]

2. Description of the Related Art A conventional heat treatment apparatus is provided separately from a work stocking place, and when a non-processed workpiece is put into the heat treatment apparatus or an already treated work is discharged from the heat treatment apparatus, it is mounted on a carriage. The work was carried and transported between the heat treatment device and the stocking place which were provided at a remote position.

[0003]

However, if the heat treatment apparatus and the stock location are separately provided as described above,
There is a problem that work efficiency is reduced due to troublesome work transportation.
Moreover, when a work is put into the heat treatment apparatus from the stock location, various data associated with the work (for example, the model of the work, heat treatment conditions, etc.) must be input to the heat treatment apparatus each time, and many operations are required for the work. There was a problem of spending effort.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a heat treatment apparatus in which working efficiency is improved by combination with an automatic warehouse.

[0005]

In order to achieve the above object, a heat treatment apparatus of the present invention is provided with a heat treatment line for heat treating a work, and a heat treatment line provided adjacent to the heat treatment line. Automatic warehouse for stocking the workpieces and delivering the workpieces to the heat treatment line, a computer for storing and displaying data associated with each workpiece, and data for the workpieces when the workpieces are in the automatic warehouse. And a sequencer for automatically operating the heat treatment line by holding the data of the work when the work is in the heat treatment line.

[0006]

Embodiments of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, the inside of the building 1 is divided into upper and lower parts 2.
It is divided into two parts, and an automatic warehouse 2 and a heat treatment line 3 are provided in each part.

The automated warehouse 2 is provided with a large number of shelves 4 formed in five stages on both sides in the longitudinal direction, and the left and right shelves 4 ...
The stacker crane 6 travels along the rail 5 laid between them. The stacker crane 6 supports a work on a fork that can move up and down and moves back and forth to move in and out of the shelves 4, ... And a storage lane 8 connected to an entrance 7 of the building 1.
Then, the work is delivered between the delivery lane 10 connected to the exit 9 and the unmanned vehicle 11.

There are problems in various works on the shelves 4 of the automatic warehouse 2, that is, unprocessed products carried in from the receiving lane 8, finished products waiting for carrying out from the shipping lane 10 after completion of heat treatment, and inspection after heat treatment. A plurality of the reserved items are stocked in a state of being placed on the tray T in plural numbers. Further, the shelves 4 ... Are inserted between the trays T conveyed on the heat treatment line 3 as required, and are placed on the dummy trays that function as spacers that regulate the interval between the adjacent trays T. Dummy material is stocked.

The heat treatment line 3 carries out heat treatment while transporting the unprocessed products that have been stocked in the automatic warehouse 2 while being placed on the tray T. The heat treatment line 3 includes a tray strain measuring device 12 that receives an untreated tray T that is taken out from the automated warehouse 2 and conveyed by an unmanned vehicle 11. The tray strain measuring machine 12 measures the degree of strain of the tray T, and by eliminating the tray T which is distorted beyond the standard here, the tray T is carried into the carburizing furnace described later and trouble occurs. Prevent. The tray T that has passed through the tray strain measuring device 12 is conveyed to the washing tank 13 via the conveyor C1 and is washed there.

A pair of conveyors C is provided downstream of the washing tank 13.
The first degreasing furnace 14 ₁ and the second degreasing furnace 14
₂ is provided, and the first degreasing furnace 14 ₁ has a first
Carburizing furnace 15 _1, the first oil tank 16 _1, conveyor C4, first AburaAra落室17 ₁ and with a conveyor C5 is provided in series, the downstream of the second degreasing furnace 14 ₂ second carburizing furnace 15 _2,
The second oil tank 16 ₂ , the conveyor C6, the second oil slump chamber 17 ₂ and the conveyor C7 are provided in series. A conveyor C8, a tempering furnace 19, a conveyor C9, a shot machine 20 and a conveyor C10 are provided in series downstream of the post-cleaning machine 18 provided at the confluence of the conveyor C5 and the conveyor C7, and the end of the conveyor C10 is the first. It faces the tray strain measuring machine 12. Between the upstream and downstream of the shot machine 20, the conveyor C1
It can be bypassed by 1.

Thus, the tray T which has passed through the washing tank 13
Is the first degreasing furnace 14₁, First carburizing furnace 15₁, First oil tank 1
6₁And the first oil drop chamber 17₁And the second degreasing
Furnace 14 ₂, Second carburizing furnace 15₂, Second oil tank 16₂And the second
Oil crash chamber 17₂And the route connected to
Carburizing each of the untreated products placed on the tray T
Is applied. The trays T from both of the above-mentioned paths are merged and post-washed.
After passing through the purifier 18, the work placed on it is a tempering furnace.
It is tempered at 19 and then shot by a shot machine 20.
Is shot blasted. At this time shot
For those that do not require the last treatment, the conveyor C11
It is passed. And placed on tray T on conveyor C10
The hardness of the placed work is inspected and the work is finished.
KU is sorted into finished products and on-hold products.
Predetermined shelves 4 in automated warehouse 2 via tucker crane 6 ...
Will be stocked.

Next, the automatic warehouse 2 and the heat treatment line 3
The control system of will be described.

A computer 21, a CRT 22 and a touch panel 23 are provided near the conveyor C10 of the heat treatment line 3.
The centralized monitoring board 24 having the above is provided, and the touch panel 25 provided inside the automatic warehouse 2 is connected to the computer 21 of the centralized monitoring board 24.

When unprocessed goods are stored in the automatic warehouse 2,
The worker reads various data described in the data sheet attached to the work, that is, the work model, part name, number, shot condition, pre-cleaning condition, quenching condition, tray type, etc., and reads the registration code table. While referring to the registration codes corresponding to the various data from the touch panel 25, the central monitoring board 2
4 into the computer 21.

On the CRT 22 of the centralized monitoring board 24, various data stored in the computer 21 are displayed. Figure 2
Shows the screen of CRT22.
The shelves 4 of 3 blocks (block 1, block 2 and block 3) of the 6 blocks are displayed, and the articles stocked on each of the shelves 4 of each block are indicated by symbols. . That is, the second, fourth, and fifth shelves 4 from the bottom are empty shelves, and the first shelves 4 ... are finished products shown by white squares and unprocessed products shown by black squares. Indicates that the dummy materials indicated by the white triangle mark are stocked, and that the dummy trays indicated by the black triangle mark are stocked on the shelves 4 ... of the third tier.

FIG. 3 is a CRT corresponding to block 2 of FIG.
22 shows other screens, where "1", "17", "33", and "36" on the first shelf 4 from the bottom are work registration codes, and "40" is the number of works. To "P2
4-J000 "," PY4-3100 "," PY4-3 "
000 ”and“ PW7-3000 ”are work models.
“MS” and “CS” respectively display the parts name of the work, and “400” on the third shelf 4 ... Shows the registration code of the dummy tray.

Further, as shown in FIG. 4, the CRT 22 displays in real time the state of conveyance of the work in each part of the heat treatment line 3 and shows how many kinds of works are present in which part of the heat treatment line 3 at present. Can be easily recognized. In the figure, white squares indicate trays on which the processed products are placed, and star symbols indicate trays containing the test pieces in the processed products. On the actual screen,
The work passing through the first carburizing furnace 15 ₁ and the second carburizing furnace 15 ₂
And the carburizing furnace 15 ₁ ,
It is possible to identify whether or not the work has been processed at 15 ₂ .

The computer 21 has the following functions in addition to displaying the various information on the CRT 22. That is, a schedule for heat treatment can be reserved in advance by inputting the order in which the unprocessed products stocked in the automated warehouse 2 are put into the heat treatment line 3 from the touch panel 23 to the computer 21, and based on the schedule. A predetermined work taken out from the rack 4 of the automatic warehouse 2 by the stacker crane is put into the heat treatment line 3. Further, the result of the quality inspection of the work after the heat treatment and the shelves 4 of the automatic warehouse 2 stocking the work are input to the computer 21 from the touch panel 23, and the work is stocked in the automatic warehouse 2 based on the instruction. It When the finished product is not directly stocked in the automated warehouse 2 but directly delivered to the next process, the destination is input from the touch panel 23 to the computer 21.

Further, the computer 21 is connected to the first and second carburizing furnaces 15 ₁ and 15 ₂ and is currently used for carburizing furnace 1.
Data such as the time at which the workpieces processed in 5 ₁ and 15 ₂ are input, the atmosphere in the furnace, and the temperature in the furnace are stored in the computer 2.
1 and the data can be displayed on the CRT 22.

Sequencers 26, 27 and ₂ are provided near the delivery lane 9 of the automated warehouse 2, near the carburizing furnaces 15 ₁ and 15 ₂ , near the tempering furnace 19 and near the shot machine 20, respectively.
8 and 29 are provided, and these sequencers 26 and 2 are provided.
7, 28 and 29 are connected to the computer 21 of the centralized monitoring board 24.

The sequencer 26 of the automatic warehouse 2 automatically operates the automatic warehouse 2 in a predetermined order based on an instruction from the computer 21, and stores various data relating to each work stocked in the automatic warehouse 2. When the work is moved from the automatic warehouse 2 to the carburizing furnaces 15 ₁ and 15 ₂ , the data of the work stored in the sequencer 26 of the automatic warehouse 2 is tossed to the sequencer 27 of the carburizing furnaces 15 ₁ and 15 ₂ , and the sequencer 27 is operated as described above. The carburizing furnaces 15 ₁ and 15 ₂ are automatically operated under predetermined processing conditions based on the work data. Similarly, the work is tempered by the furnace 19 and the shot machine 2.
Moving to 0, carburizing furnace 15 _1, 15 ₂ of the sequencer 2
The work data stored in 7 is sequentially tossed by the sequencer 28 of the tempering furnace 19 and the sequencer 29 of the shot machine 20, and the tempering furnace 19 and the shot machine 20 are automatically operated under predetermined processing conditions based on the work data. Be driven.

As described above, heat treatment is performed inside the same building 1.
By installing the processing line 3 and the automated warehouse 2 side by side,
Significantly reduce the time and labor required to input and withdraw
The work efficiency can be improved. Also work
Compiling the data of the work when it is loaded into the automated warehouse 2.
Work in the automated warehouse 2 simply by inputting into the computer
Both the control of the work and the work on the heat treatment line.
I can. Furthermore, the work is a carburizing furnace 15.₁, 1
5₂Carburizing furnace 15 when carburizing in ₁, 15
₂The actual processing status of the workpiece in
Time, furnace atmosphere, furnace temperature, etc.) are input to the computer.
The quality of the heat treatment is guaranteed.
You can Moreover, according to the movement of the work, the work
Data is the sequencer 26 and heat treatment line of the automated warehouse 2.
Since it is stored in the sequencer 27, 28, 29 of
Even if the computer 21 goes down for some reason, the data
Is not lost.

Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the above embodiments, and various design changes can be made.

[0025]

As described above, according to the present invention, a heat treatment line for heat-treating a work, an automatic warehouse for stocking the work before and after the heat treatment and transferring the work to the heat treatment line. By arranging and adjacent to each other, it is possible to promptly and easily put the work into and out of the heat treatment line.
In addition, by providing a computer that stores and displays the data associated with the workpieces, not only can the model and processing conditions of each workpiece be reliably grasped to perform heat treatment accurately, but the computer data can also be sequenced. It is possible to automatically operate both the automatic warehouse and the heat treatment line. Moreover, since the data of the work is held in the sequencer of the automatic warehouse when the work is in the automatic warehouse, and in the sequencer of the heat treatment line when the work is in the heat treatment line, the data stored in the computer should be lost. In the case of the above, stocking of the work and heat treatment can be continued without any trouble.

[Brief description of drawings]

FIG. 1 is an overall plan view of a heat treatment apparatus

FIG. 2 is a diagram showing a processed product stock status display on a CRT.

FIG. 3 is a diagram showing an enlarged display of processed product stock on a CRT.

FIG. 4 is a diagram showing an overall display of a processed product transportation state on a CRT.

[Explanation of symbols]

 2 Automatic warehouse 3 Heat treatment line 21 Computer 26 Sequencer 27 Sequencer 28 Sequencer 29 Sequencer

Front Page Continuation (72) Inventor Tatsumi Tanaka 1-13-1 Aoihigashi, Hamamatsu City, Shizuoka Prefecture Honda Motor Co., Ltd. Hamamatsu Plant

Claims (1)

[Claims] 1. A heat treatment line (3) for heat-treating a work, and a heat treatment line (3) provided adjacent to the heat treatment line (3) for stocking a work before heat treatment and a work after heat treatment and at the heat treatment line (3). An automatic warehouse (2) for delivering and receiving works, and a computer (21) for storing and displaying data associated with each work
A sequencer (26) for automatically operating the automatic warehouse (2) by holding the data of the workpiece when the workpiece is in the automatic warehouse (2), and the workpiece is the heat treatment line (3)
Sequencer (27, 28, 2) for automatically operating the heat treatment line (3) by holding the data of the work when
9) A heat treatment apparatus comprising: