JPS63268562A - Pouring work control system - Google Patents

Abstract

PURPOSE:To surely prevent erroneous pouring and to automatically collect pouring work results by inputting present position of a pouring carriage and progress of individual mold on pouring line in a pouring indicating device. CONSTITUTION:When data of mold pattern, which the pouring related to the tag No. is permissible, is transferred from a central control device 17, the pouring indicating device 18 stores this in the storing device. By this, the pouring carriages 5a, 5b gets the information, which the molten metal in ladle 7a, 7b on the carriage-self should be poured to the some mold pattern in the molds on the pouring line. The pouring indicating device 18 catches distance from the original point position to the pouring carriage 5a, 5b and position of the individual mold 6 on the pouring line 3 at every moment, and stores the mold pattern to be poured by the ladle 7a, 7b putting on the pouring carriage 5a, 5b. From these informations, the pouring indicating device 18 judges the individual mold pattern, which the pouring worker intends to pour, and can indicate whether this mold can be poured or not.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention is directed to a pouring line of mold making equipment that alternately molds two or more types of molds with different types of molten metal to be poured.
The present invention relates to a pouring work management system for preventing erroneous pouring when pouring molten metal using two or more pouring carts.

[Conventional technology]

BACKGROUND ART In recent years, with the diversification of cast products, mold manufacturing equipment has adopted a method of alternately manufacturing many types (for example, 2 to 4 types) of molds. Furthermore, as casting products are made from a variety of materials, mold making equipment that alternately creates two or more types of molds with different types of molten metal to be poured is being adopted. In the pouring line of this mold making equipment, the pouring operator uses two or more pouring devices, each containing a different type of molten metal, to prevent erroneous pouring into the molds that are progressing one after another. It is necessary to pour hot water with great care. In addition, the above-mentioned materials include materials such as malepul, ductile, etc., even if they are made of the same material,
This includes cases where target component values such as Cu are different.

In the above-mentioned casting equipment, the following methods are adopted to prevent erroneous pouring of metal. are molded alternately, and in the pouring line, 2
When pouring with the two pouring carts 1 and 2, it is determined in advance that the pouring cart 1 pours into one type of mold, and the pouring cart 2 pours into two types of molds. In the mold making equipment, each time a mold to be poured with the pouring cart 1 is made,
Furthermore, by marking the surface of the mold (for example, by sprinkling white powder), the pouring operator of the pouring cart 1 was able to clearly identify the mold to be poured.

[Problem that the invention seeks to solve]

However, in the above-mentioned conventional method, there remains a risk that erroneous pouring of molten metal may occur due to the following reasons.

1) If pouring is continued one mold at a time while monitoring the markings on the mold, the worker's attentiveness may decrease.

2) In mold making equipment, it may be necessary to change which of the three types of molds A, B, and C should be marked each time a setup change occurs. This change is made by the operator, but
There is a risk of forgetting it if you are careless.

SUMMARY OF THE INVENTION An object of the present invention is to provide a pouring operation management system that can improve the conventional drawbacks, reliably prevent erroneous pouring, and automatically collect pouring operation results.

Means for Solving Problem c] The present invention provides a pouring system for mold making equipment that alternately molds two or more types of mold patterns A, B, C, etc. having different types of molten metal to be poured. This is a pouring work management system that pours molten metal along a line using two or more pouring carts that change ladle. By inputting the current position and progress of each mold on the pouring line moment by moment, the pouring truck can determine the pattern of the mold it is about to pour, as well as the mold pattern that the pouring truck is currently carrying. The pot is a pouring work management system that instructs the pouring worker on the pouring cart whether or not to pour hot water by inputting which mold pattern on the pouring line the pot can pour into. be.

〔Example〕

The present invention will be explained below based on examples. FIG. 1 shows an example of a system configuration for implementing the present invention. 1 is a mold making machine that produces three types of mold patterns A, B, and C.
The molds are alternately molded in a constant cycle, and mold conveyor 2
send to. The mold conveyor 2 moves in two directions indicated by arrows by a drive device (not shown). Mold conveyor 2
A linear molten metal line 3 is provided. On a rail 4 installed along the pouring line 3, two pouring carts 5a and 5b are movably installed.

Ladles 7a and 7b containing molten metal to be poured into the mold 6 are removably installed on the pouring carts 5a and 5b (ladle replacement method).

Although not shown, on the extension of the pouring line 3, a cooling line for the mold 6 after pouring the metal and a mold barrack device are provided. The flask after performing the mold release is returned to the mold making machine 1 by the mold transport conveyor 2. 8 is a melting furnace, and 9 is a ladle distribution mold rail. The molten metal melted in the melting furnace 8 is tapped into the ladle 7. The ladle 7 is connected to a roller conveyor 1 installed on the platform lO by a ladle distribution mold rail 9.
1. When the pouring carts 5a, 5b are stopped near the roller conveyor 11 and the roller conveyor 11 is driven, the ladle 7 can be transferred to the pouring carts 5a, 5b.

Reference numeral 12 denotes a molded product name input device consisting of a microcomputer. The molded product name input device 12 includes a keyboard 12a for registering product name codes to be molded in a day in advance in a storage device in the order of molding, and a CRT for displaying this information.
12b is provided. Furthermore, the molded product name input device 1
2, molding signal 13 from mold molding a1, setup change signal 1
4 is now input. The molding signal 13 is a signal indicating that one mold 6 has been molded, and this signal can be taken out from the upper mold or lower mold feeding device of the mold making machine 1. The setup change signal 14 is a signal indicating that a setup change has been performed, and when the molding operator presses the setup change button 15, this signal is input to the molded product name input device 12.

Reference numeral 16 denotes a mold movement detecting device, which is a device that momentarily transmits data on the movement of molds on the mold transport conveyor 2 to the central control device 17, and is composed of a known rotary encoder. As a method for detecting the amount of movement of the mold, a rotary encoder is attached to the drive shaft of the drive device of the mold conveyor 2, and pulses generated from the rotary encoder are input to the central control device 17 to measure the amount of movement of the mold. be able to.

Reference numeral 18 denotes a pouring instruction device consisting of a microcomputer mounted on the pouring carts 5a and 5b, and as shown in FIG. 2, it includes a pouring cart position detecting device 18a, a ladle number reading device 18b,
a wireless device 18c that performs data communication with the central management device 17;
It consists of CRT18d etc. The pouring cart position detection device 18a is a device that measures the moving distance of the pouring carts 5a, 5b from a preset origin position. The details are in the second
As shown in the figure, a sprocket wheel 20 is fixed to the rotating shaft of a rotary encoder 19 installed above the pouring carts 5a and 5b, and the sprocket wheel 20 is meshed with a roller chain 22 stretched on a pillar 21. do. When the pouring carts 5a and 5b move, the rotation shaft of the rotary encoder 19 rotates and a pulse signal is generated.

By inputting this pulse signal to the pouring instruction device 18, the distance traveled by the pouring carts 5a, 5b from the origin position can be measured.

Central management device 17 consisting of a microcomputer
A pouring pattern input device 23a, a ladle number registration device 23b, a wireless device 23C, and a CRT 23d are connected to the . The pouring pattern input device 23a controls the pouring cart 5a when the setup change signal is input from the molded product name input device 12 to the central management device.

5b, it is set which of the three types of mold patterns A, B, and C is to be poured, and the pattern is stored in the central management device. In this embodiment, three types of mold patterns A, B, and C are alternately molded, and two types of molten metal are poured, so one type of mold is used in the pouring cart 5a, and one type is molded in the pouring cart 5b. If a work standard is determined in advance to pour metal into two types of molds, then when one of the two pouring carts sets the mold pattern (one of ABC) to pour metal,
The type of mold to be poured with other pouring carts is inevitably determined.

Therefore, the pouring pattern input device 23a can have the configuration shown in FIG. 3. The pouring pattern input device shown in FIG.
Push buttons 24a, 24b for setting C, AC)
, 24c are provided. Note that the push button 24d is 3
Used when pouring molten metal of the same composition into seed molds A, B, and C. Reference numeral 25 denotes a patrol light, which is turned on when a setup change signal is input to the central control device 17, and turned off when the hot water distribution worker presses a push button on the hot water pouring pattern input device 23a to complete the input of the hot water pouring pattern. do.

The hot water distribution ladle registration/reading device 23b is configured as shown in FIG.
) is a device that reads information on punched holes provided in the tag 26 (a tag with punched holes for identifying the ladle to which hot water is dispensed), and the proximity switches 27a and 27b.

By detecting the presence or absence of punch holes 26a, 26b, . . . , etc., the number of the read tag 26 can be stored in the central management device 17.

Next, the operation of the above embodiment will be explained. First, before starting the work, from the keyboard 12a of the molding product name input device 12, the product name codes of the three types of mold patterns A, B, and C to be molded by the mold making machine 1 at the start of the molding work and the product name codes to be molded thereafter. are input in the order in which the setup change is to be performed, and these data are stored in the storage device of the model name input device 12. Next, the molded product name input device 12 displays these data on the CRT 12b, and also displays the data on the central management device 17.
Transfer to pig. When the central management device 17 receives these data, it creates the mold pattern A, as shown in FIG.
The product name codes corresponding to B and C are displayed on the CRT 23d, and the patrol light 25 of the pouring pattern input device 23a shown in FIG. 3 is turned on to instruct the ladle distribution worker to input the pouring pattern. . In this embodiment, the pouring cart 5a
1 type of molds A, B, and C, and the remaining 2 molds in pouring cart 5b.
The work standard is set to pour the water in the pattern of the seeds.

Then, the pouring pattern input device 23a selects the pouring pattern of the two types of molds to be poured by the pouring cart 5b by pressing the button 24a.
, 24b, and 24c. The metal distributing worker then displays the product name codes of mold patterns A, B, and C to be molded by the mold making machine 1 and the material of the molten metal on the CRT 23d, as shown in Figure 5. The above-mentioned pouring pattern can be registered by looking at the .

When the above-mentioned work is completed, the hot water distributing worker performs the hot water distributing work of the ladle. First, molten metal melted in the melting furnace 8a or 8b is tapped into the ladle 7. Next, mold patterns A, B, and C.
Additives are added in a predetermined amount so that the material of the molten metal becomes the target component. Next, the hot water distribution worker inserts the tag 26 into the hot water distribution ladle registration device 23b, and determines whether the ladle to be distributed is for pouring cart 5a (car No. 1) or pouring cart 5b (car No. 2). is stored in the central management device 17. Hole 2 in tag 26
6a, 26b, . . . are provided, and the number of the tag 26 can be identified by reading the positions of the holes with proximity switches 27a, 27b, . Therefore, for example, it is set in advance in the central management device 17 that numbers 1 to 5 are for mounting on the first pouring cart, and numbers 6 to 10 are for mounting on the second pouring cart. Then, the central management device 17 can store a hot water distribution ladle table 28 as shown in FIG.

This table 28 is data indicating mold patterns into which the ladle 7 distributed to the pouring carts 5a and 5b may pour the metal.

Subsequently, the hot water distributing worker hooks the tag 26 onto the ladle or ladle 7 to which hot water is to be distributed, and conveys this ladle 7 onto the roller conveyor 11 of the platform 10 by the ladle hot water distribution mold rail 9.

On the other hand, when the mold making machine 1 is set to start molding from mold pattern A and the mold making operation is started, a molding signal 13 is manually input to the molded product name input device 12 each time a frame is molded. As a result, the molded product name input device 1
2 can automatically measure the number of molding frames for each product name code corresponding to molding patterns A, B, and C.

When the mold making operation starts, the mold transport conveyor 2 moves in the i direction shown in FIG. 1, and its movement is detected by the mold movement detection device 16.

Therefore, when the central control device 17 checks whether a pulse signal from the mold movement detection device 16 is input at a fixed time interval (for example, 10 m5ec),
The movement of the mold 6 on the pouring line 3 can be grasped moment by moment. A predetermined number of times this pulse signal is input is determined so that the mold 6 advances by one pitch. Then, a pouring line table 29 shown in FIG. 7 can be created and stored in the storage device of the central management device 17. This table 29 assigns a management number to each mold on the pouring line 3, and stores the corresponding mold pattern and product name code. moreover,
This pouring line table 29 can also store data for all molds on the mold transport conveyor 2.

The central management device 17 displays, for example, a mold pattern row 30 from the mold making machine 1 to the end of the pouring line 3 in the pouring line table 29 as shown in FIG. 5 on the CRT 23d. Based on the input data from the mold movement detection device 16, when the mold 6 advances by one pitch, the display can be moved one frame to the right and displayed in correspondence with the actual movement. can.

When the workers of the pouring carts 5a and 5b drive the pouring carts at the start of work, they always operate the pouring carts 5a.

5b is operated to its origin position, and the pouring instruction device 18 is made to recognize the origin position. Then, the pouring instruction device 18 can input the distances of the pouring carts 5a and 5b from the origin position from the pouring cart position detection device 18a. Subsequently, the molten metal pouring instruction device 18 has the data of the molten metal pouring line table 29 transferred from the central management device 17. Based on these data, the pouring instruction device 18 displays a display as shown in FIG. 6 on the CRT 18d. In FIG. 6, a mark 31 indicates the current position of the pouring cart, and when the pouring cart moves by one frame of the mold 6, the displayed position of the mark 31 changes. Furthermore, when the mold 6 advances by one frame, this signal is transferred from the central control device 17,
The display of the mold pattern on the pouring line 3 can be moved to the right. As a result of the above, it is possible to know at any moment which mold position on the pouring line 3 the pouring carts 5a, 5b are located.

When the molten metal in the ladles 7a and 7b that are currently being poured runs out, the operator of the pouring carts 5a and 5b stops the pouring cart near the roller conveyor 11 and transfers the empty ladle to the conveyor. Move to 11. Next, this ladle is returned to the hot water distribution place 32 by the ladle hot water distribution mold rail 9.

When a ladle containing molten metal is conveyed from the distribution area 32 to the conveyor 11, the pouring operator takes the tag 26 attached to the ladle and inserts it into the ladle number reader 18b. , the number of the tag 26 is registered in the pouring instruction device 18. Subsequently, the pouring instruction device 18 requests the central management device 17 to transfer the data of the pourable mold pattern (molten metal distribution ladle table 28 shown in FIG. 8) corresponding to this tag number.

When the pouring instruction device 17 receives the data of the pourable mold pattern related to the tag number from the central management device 17, it stores this data in the storage device. As a result, the pouring carts 5a and 5b are loaded with the ladle 7a.
, 7b, it is possible to obtain information on which mold pattern of the mold 6 of the pouring line 3 the molten metal may be poured into.

As described above, the pouring instruction device 18 keeps track of the distance from the origin position to the pouring cart 5a (5b) and the position of each mold 6 on the pouring line 3. Further, the ladle 7a (7b) mounted on the pouring cart 5a (5b) stores a mold pattern to be poured. From this information,
The pouring instruction device 18 is capable of determining the pattern of each mold that the pouring operator intends to pour, and instructing whether or not it is permissible to pour the metal into the mold. The following method can be adopted as a method of indicating whether or not pouring is possible.

1) Patrol light indicating whether pouring is possible (blue if possible, red if not)
lights up to alert the pouring worker.

2) If it is a pouring stand, create a control circuit for turning the ladle ftQ so that the ladle 7a (7b) cannot be tilted, so that pouring work cannot be done from a hardware point of view.

These instructions can prevent erroneous pouring of hot water.

In this embodiment, when pouring is possible, the ladle 7a (7b)
When the frame is tilted for a certain period of time, that is, when pouring work is performed, - frame pouring is completed. If the completion signal and mold pattern are transferred to the central management device, the central management device can automatically measure the number of pouring frames for each product name code.

r Effects of invention] The present invention described above has the following effects.

1) The pouring operator can automatically instruct the mold to pour the metal whether or not to pour the metal, and it is possible to reliably prevent erroneous pouring of metal due to carelessness. This is especially effective in mold making equipment that has two pouring carts that alternately mold three or more types of molds and pour different types of mold into each mold.

2) The number of mold making flasks and the number of pouring flasks can be collected in real time. Therefore, when these data are used for production control, the accuracy can be significantly improved.

[Brief explanation of the drawing]

FIG. 1 is a system diagram showing an embodiment of the present invention, FIG. 2 is a diagram showing the configuration of the pouring instruction device shown in FIG. 1, and FIG. 3 is a diagram showing details of the pouring pattern input device, Figure 4 (a
1 is a diagram showing the details of the hot water distribution ladle registration device, Figure 4 (
b) is a diagram showing tags used in the distribution ladle registration device, No. 5
The figure shows an example of the display on the CRT of the central control device, FIG. 6 shows the example of the CRT display of the pouring instruction device, and FIG. 7 stores information about molds on the pouring line stored in the central control device. FIG. 8 is a diagram showing a format for storing information regarding the ladle to which hot water is dispensed. 1: Mold making machine, 3: Pouring line, 5a, 5b: Pouring truck, 6: Mold, 7.7a, 7b: Ladle, 12: Molding product name input device, 16: Mold movement detection device, 17: Center Management device, 18: Pouring instruction device, 18a: Pouring truck position detection device, 18b: Ladle number reading device, 23a: Pouring pattern input device, 23b: Distribution ladle registration device, 28: Distribution ladle Table 29: Pouring line table. Figure 2 Figure 4 (a) Figure 4 (b) Figure 6 Figure 7 Figure 8

Claims (1)

[Claims] A ladle is placed along the pouring line of mold making equipment that alternately molds two or more mold patterns A, B, C, etc. with different types of molten metal to be poured. In a pouring work management system that pours molten metal using two or more pouring carts of the changing method, the product name corresponding to the mold pattern A, B, C, etc. to be molded and the molding pattern after the setup change are a molding product name input device that registers in advance the product name to be processed and transfers these data to a central management device, and also transmits a setup change occurrence signal to the central management device when a setup change occurs; a mold movement detection device that detects the progress of the mold and inputs the signal to the central control device; a pouring cart position detecting device that detects the amount of movement of the pouring cart from the origin position; A ladle number reading device for identifying the ladle is provided, and a pouring instruction device is mounted on the pouring truck, and the central control device includes the molds A, B, C, . . . a pouring pattern input device for registering a mold pattern to be poured by the pouring truck; and a device for determining which of the pouring trucks the ladle is to be mounted on when distributing the ladle to the pouring truck. a ladle registration device for registering a ladle registration device, and the central management device stores a mold pattern of a mold on the pouring line based on data from the molded product name input device and the mold movement detection device. A hot water line table is created and transferred to the hot water pouring instruction device, and based on the data input from the hot water pouring pattern input device and the hot water distribution ladle registration device, the number of the ladle to which hot water is distributed and the hot water pouring are determined. A distribution ladle table is created that associates the mold pattern to be used and the pouring cart on which the ladle is mounted, and when the number of the ladle distributed from the pouring instruction device is transferred. ,
The information in the distribution ladle table corresponding to the ladle is transferred to the pouring instruction device, and the pouring instruction device receives information transferred from the central management device and input from the pouring cart position detection device. The pouring work management system is characterized in that the pouring truck determines the pattern of the mold into which the pouring truck is to pour metal based on the position information of the pouring truck and issues an instruction as to whether or not the pouring is possible.