JPS60255261A - Metal flask transfer type casting installation - Google Patents

Abstract

PURPOSE:To make efficiently the mass production of castings by constituting circulating paths which can be progressively fed by each distance corresponding to one piece of metal flask by using the plural metal flasks and excecuting successively and continuously each stage of casting to the different metallic flasks. CONSTITUTION:The 1st casting route 12 in which sand molding 15 and casting 16 to the plural linearly arranged metallic flasks 14 and the 2nd casting route 13 in which the solidification and cooling 17 of the molten metals in the flasks 14 and the taking out of articles as well as the discharge 18 of the sand are executed are provided. Traversers 22, 23 which transfer respectively the flasks 14 between the terminal and beginning ends of the routes 12, 13, pressing devices 24, 25 which push and move the flasks 14 toward the traversers 22, 23 by the distances respectively corresponding to one piece of the metallic flasks and buffer devices 26, 27 which receive and stop the flasks 14 fed onto the traversers 22, 23 are further provided. The continous execution of each stage of casting to the different metal flasks is thus made possible and the efficient mass production is made possible.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a metal frame transfer type casting equipment, and more particularly to a metal frame transfer type casting equipment for casting into a metal frame filled with sand, such as by a full mold method.

Structure of conventional examples and their problems When obtaining a cast product by casting into a metal frame filled with sand, such as the full mold method, multiple steps are required such as sand filling, casting, solidification, cooling, taking out one item, and discharging sand. steps are required, and it is required to process each of these steps efficiently.

Purpose of the Invention Therefore, the present invention utilizes a plurality of metal frames and moves these metal frames along a circulation path so that each process can be carried out successively on different metal frames one after another. The purpose is to scrape so that a large number of items can be obtained continuously.

Structure of the Invention To achieve this object, the present invention provides: a first casting path in which a plurality of casting molds are arranged in a straight line, and casting such as sand filling into the metal molds is performed; a second casting path provided along the path, in which solidification of hot water in the metal frame, cooling of the item, removal of the item after cooling and discharge of sand; the end of the path and the second and first
first and second traversers that transport the metal frames to and from the starting ends of the casting paths, respectively, and move the metal frames of the first and second casting paths toward the first and second traversers, respectively. The first step is to push the distance corresponding to one gold frame.
and a second suppression device, and first and second buffer devices capable of respectively receiving metal frames sent from the first and second suppression devices @flea to the first and second traversers t. This is how it was done.

Therefore, it is possible to configure a circulation path that can sequentially feed the metal frame by a distance corresponding to one metal frame, so each process of sand filling, casting, solidification, cooling, taking out the nine items, and discharging the sand can be carried out using different metal frames. It is possible to carry out continuous operations on frames one after another, and a large number of items can be obtained continuously.
It becomes possible to mass-produce items efficiently.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. Figure 1 shows a front view of an embodiment of the metal frame transfer type casting equipment according to the present invention, in which (1) is melting equipment, (2) is casting equipment, and (3) is post-processing equipment. . Casting equipment (2)
is equipped with sand treatment equipment (4).

Melting equipment (in January) (5) is a pair of low-frequency furnaces that can discharge hot water into a ladle (not shown) in the pig iron receiving bit (6). ( 7) is a slag removal device, and (8) is an electric room for the low frequency furnace (51 (5) 1,
In addition, (9) is the lane for overhead running, and the receiving pit (6
) is transferred to the casting equipment (2) via traverser a1.
) can be transported to the pouring hoist C1, ).

In the casting equipment (2), @ is the first casting path, and the α field is the second casting path Oz arranged along this first casting path Oz.
In each casting path, a plurality of casting frames Q4) are arranged in a straight line. The molding part aFj is located in the first casting path recess.
and a pouring section aQ are provided, and the second casting path 0 is provided with a solidification cooling section .alpha. and an article removal and sand discharge section). In the product removal and sand discharge section (G),
The metal frame Q4 is overturned while holding the metal frame Q (141), and an article receiving device (7 )
There is a reversing machine (c) for tilting the metal frame a<.

A first traverser) is provided between the terminal end of the first casting path 02 and the starting end of the second casting path 01, and a first traverser is provided between the terminal end of the second casting path 03 and the starting end of the second casting path 01. A second traverser (c) is provided between the starting end of a2. Each traverser @kan is capable of transporting the metal frame (b) from the end of one route to the start of the other route. At the starting ends of both casting paths a'a (6), there is a step that pushes the metal frame zero force of these casting paths asa (1,, G t toward the terminal end by a distance corresponding to 041 metal frames). First and second pressing devices (c) (c) are provided, and these suppressing devices (c) are constituted by hydraulic cylinders. In addition, at the terminal ends of both casting paths α1, it is possible to receive the metal frame α◆ sent from the casting path - (C) to the traverser @ (C) Rainbow by the action of the suppressor (C) (C). First and second shock absorber overheads are provided. These buffer devices (c) and (c) also position each metal frame (1=c) of 03L in casting path 0 by contacting the metal frame (141) fed into the traverser (b) @t. There is.

In the pouring section (1[9) and the solidification cooling section (171), a weight is placed on the sand 1 in the metal frame Q4 to prevent the molding sand from floating due to the buoyancy of the melt field. Therefore, the member is a weight conveying device for conveying the weight from the terminal position of the solidification cooling section α force toward the starting position of the pouring section (G).

Next, the sand treatment equipment (4) will be explained in detail. Here, the conveyor is a vibrating conveyor that receives the sand discharged from the metal frame α→ by the action of the above-mentioned reversing machine E), and is capable of supplying this sand to the cooling vibrating conveyor device (to). The cooling vibration conveyor system @ (to) has two lower stages of vibration conveyor.
Cooling this sand while transferring the sand through this vibrating conveyor,
The grains are sorted and then fed to the storage hopper 0υ. ) is a belt conveyor for transporting sand. In addition, the hopper 0p is connected to a belt conveyor) and a belt conveyor A for supplying sand in Figure 2.
It is said that it is possible to supply sand to υ. (7) is a skip for feeding new sand into hopper 0◇.

As shown in Figure 2, there is a molded part o! 9: This shows the bottom sand hopper (to) that temporarily stores sand from the sand supply belt conveyor ■, the sand filling hopper (b), and the overlapping Sunagawa hopper (
) is provided. A hopper (2) for bottom sand and a rotary feeder are provided for the overlapping Sunagawa hopper (2), and a hopper (2) for filling sand is equipped with a bellows-type hose (2) to enable sand filling by hand. 7) is provided.

The first casting path (6) below each hopper (2)Cg)- has a bottom sand filling section, sand filling section (6) and An overlapping sand filling part (to) is formed. Between the bottom sand filling part 0η and the sand filling part (6), a model fixing part (where no hopper is placed in the L direction) is formed, and the evanescent model (model) is filled with bottom sand t.
It can be fixed to In addition, in this molding section 0Q, the metal frame transport rail (c) that constitutes the casting path aZ is
is divided into t rail members θ corresponding to each metal frame Q and 0, and the rail members θ~ corresponding to each hopper ■ are vibrated by vibration vibration tjiJ + machine θ for molding. It looks like this. In Fig. 1, (c) θ flaw is model 1i! ]-1 This is a coating mold drying oven for models supplied to constant part GI4).

Note that the post-processing equipment (3) is equipped with a reversing machine (
2) is a conveyance device such as a mole rail that receives the article taken out by the hanging device a1 from the metal frame 04J tilted at step 2) and conveys the article, and there is a cooling device,
Post-processing equipment such as shot blasting equipment and painting equipment are installed.

Structure shown in L: Here, the metal frame α◆ is circulated through the casting path (B), and spinning is performed during this transfer, but the metal frame Q41 is first transferred to the molding section (A). Substrate sand, model sand, and overburden sand are supplied. The metal frame αΦ in this state receives the weight from the weight conveyor (c) and is sent to the pouring section Oe, and the metal is poured from the ladle sent from the melting equipment (1) to the pouring hoist aυ. receive. After pouring the metal, the metal frame 071 is transferred from the pouring section OQ to the solidifying and cooling section 071, and during the transfer, the metal frame solidifies and cools, and an article is cast. After the item has solidified and cooled, the metal frame 041, which has passed the weight to the weight transfer device (c), is transferred to the item removal and sand discharge section (I7), the reversing machine ψ), the item receiving device and the hanging device. Hanging device 01
From this step, sand is discharged and items are taken out.

The items taken out by the hanging device are transferred to the transport device [61], and completed after passing through various processes such as cooling, shot blasting, removal of the sprue and riser, product inspection, water pressure test, heating and temperature raising, and painting. and will be shipped first. On the other hand, the sand caught in the reversing machine (c) and passed from the metal frame Q41 to the vibrating conveyor) is cooled, sieved and temporarily stored in the sand processing equipment (4).
Thereafter, it is sent to the molding section 05 and circulated within the system.

Next, the procedure for circulating the metal frame αΦ will be explained based on FIG. In addition, in (a) and (t) of Figures 8 and 8, "T" is a transport vehicle in each traverser (c), and "-" is a transport vehicle in the weight transport device. First, when the suppression device (c) is activated from the state shown in (a), the metal frame 04 of the casting path @L of group 1 is fed by one pitch, as shown in (b), and the metal frame 04 at the terminal end of the metal frame 04 is fed by one pitch. α Yu is sent to Traversa 4's trolley iinh. At this time, the reversing machine (2) starts reversing operation, and the metal frame (141) on which no weight is placed is sent to the position of the weight conveying device (c).

Next, as shown in (c), the carts of both traversers @ (e) start moving toward the second casting path (6), and the cart of the weight transfer device (c) □□□ is the second casting path (
Move to 2) and receive the weight. This trolley (5'3 is (b
), while the trolley (51) is moving, it moves to the first casting route 02, and the weight is transferred to the metal frame α of the first casting route 1.
Replace -.

During this period, as shown by (e) +, both bogies reach the second casting path (13), and the operation of the reversing machine is completed, and the metal frame αΦ at this reversing machine position (b) returns to its original state. Then, as shown in (f), the pressing device @ (e) is operated, and the casting path 03J: of silk 2 has a metal frame of 0 and 1
Move only the bitch and use the reversal machine G! Place it on the 6 car Ill Jm of the metal frame 1lL4wotraversa (e) which was emptied at υ. After that, as shown in (g), both carts (value 1) are run, and when they reach the first casting path @ as shown in (h), they will be in the same state as in (a) above, so the following is as follows: Repeat the steps described above.

Effects of the Invention As described above, according to the present invention, it is possible to construct a circulation path that can sequentially feed one metal frame by a distance corresponding to one metal frame, sand filling, casting, and solidification.

It is now possible to perform one operation each for taking out two cooled items and discharging them one after another for different metal frames, making it possible to handle a large number of items in succession and making mass production of items more efficient. It is possible to do well.

[Brief explanation of the drawing]

Figure 1 is an overall plan view of an embodiment of the metal frame transfer type casting equipment of the present invention, Figure 2 is a front view of the molding section, @Figure 8 (a)
- (h) are explanatory diagrams of the circular transfer procedure of the metal frame. (1)... Melting equipment, (2J... Casting installation as (
3)...After-treatment equipment, (4)...Sand processing equipment, soda/
...First casting route, Ql...Second casting route, Q4
...Casting metal frame, alpha molding section, OQ...pouring section, Q'h...solidifying and cooling section, 0 barrel...product removal and sand discharge section, (c). ...first traverser, (to)
... second traverser, (c) ... first suppression device, (c) ... second pressing device, (c) ... first buffer device, (c) ... first 2 shock absorber, (c)... mold needle conveying device, ring... vibration conveyor device for cooling, 01)...
・Hopper, ←)...Sand supply bell 1 - conveyor, θ)
- Bottom sand filling part, θ4... Sand filling part, 0 fathom... Covering sand filling part, ■... Model fixing part, -... Weight. Agent Yoshihiro Morimoto

Claims (1)

[Claims] 1. A first casting path in which a plurality of casting molds are arranged in a straight line and sand filling and casting into the molds are performed; and a first casting path provided along the first casting path. a second casting path in which the hot water is solidified in the metal frame, the item is cooled, the item is taken out after cooling, and the sand is discharged; and terminal portions of the first and second casting paths; second and first
first and second traversers that transport the metal frames to and from starting ends of the casting paths, respectively;
first and second pressing devices each pushing a distance corresponding to one gold frame toward the traverser; 1. A metal frame transfer type casting equipment comprising first and second buffer devices each capable of receiving a frame.