JPH05177341A - Device for separation product in precision casting equipment - Google Patents

Abstract

PURPOSE:To shorten the separating time of products and runner parts by horizontally moving a laying table laying a casting mold and applying the vibration to the casting mold. CONSTITUTION:A forming material having the same shape as the product is formed and these forming materials are assembled in tree-state and also coating is applied. Then the forming materials are replaced into metal to cast the products. At this time, the runner parts 10b as the passage of molten metal poured from a sprue part 10a in the mold 10 and the products are separated. In a product separating device of the precision casting equipment, the mold 10 is laid on a laying table 9 and the laying table 9 is horizontally moved by moving mechanism (a hydraulic cylinder) 15 and the vibration is applied to the mold 10 on the laying table 9 by vibrating mechanism (an air hammer) 22. By this method, the products and runner parts can smoothly and surely be separated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention In the lost wax casting process, the present invention molds molded products having the same shape as the product, assembles them in a tree shape, coats them, and then replaces the molded products with metal. The present invention relates to a product separating device in a precision casting facility that separates a product from a runner part which has become a passage for molten metal injected from a sprue part of a mold when casting a product.

[0002]

2. Description of the Related Art Generally, in a lost wax casting method, first, a wax molded product having the same shape as the product is molded by injection molding, and then these wax molded products are assembled together in a tree shape, Refractory particles are sprayed around the assembly while the ceramic slurry is applied, and this is repeated several times to form a large number of coating layers around the assembly, which is then dried and then a wax molded product is formed. (Assembly) is melted and removed from inside the coating layer, and molten metal is injected into the open space,
Finally, the coating layer is removed to remove the product.

[0003]

By the way, in the above-mentioned conventional lost wax casting method, in order to separate the cast product and the runner portion from each other in the mold, vibration is applied to only one place of the mold. The product and the runner part were separated.
However, in this way, if the vibration is applied to only one part of the mold, the shape of the mold becomes complicated and the size becomes large, and when many products are connected to the runner part, the product can be smoothly processed. There is a problem that it is difficult to separate the water and the runner from each other, and it takes time to separate them.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to smoothly and reliably provide a product and a runner portion even when the mold is large and complicated. Another object of the present invention is to provide a product separation device in precision casting equipment that can be separated into two parts and can shorten the separation time.

[0005]

In order to achieve the above object, the product separating apparatus in the precision casting equipment of the present invention comprises a mounting table for mounting a mold, a moving mechanism for horizontally moving the mounting table, and And a vibration mechanism for applying vibration to the mold on the table.

[0006]

In the product separating apparatus of the precision casting equipment of the present invention, the mounting table is moved by the moving mechanism and the mold on the mounting table is vibrated by the vibrating mechanism so that each part of the mold is smoothly vibrated. This promotes the separation of the runner from the product in the mold.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

In the figure, reference numeral 1 is a basic frame, and a vibration isolation pad 2 is provided below the basic frame 1. A frame structure including a lower frame 3, a pair of side frames 4 and an upper frame 5 is provided above the base frame 1. Also, the lower frame 3
A pair of rails 6 are laid on the upper surface of the, and a mounting table 9 including a work block 7 and a pair of work guides 8 is movably provided on the rails 6. Then, the casting mold 10 is placed on the placing table 9, and the casting mold 10 has the sprue portion 10a.
And a sprue part 10b branched from this sprue part 10a into five
And three sets of support portions 10c protruding from the two outer runners 10b, and a large number of products (not shown) connected to the front and back surfaces of the above five runners 10b. It is carried in from the outside while being covered with the (coating layer). Further, a pusher receiving block 11 is attached to one end side of the work block 7, and a pusher claw 12 is engaged with the pusher receiving block 11. The pair of pusher claws 12 are attached to a pusher bracket 13, and the pusher bracket 13 is supported by an auxiliary guide 14 that slides along the pair of rails 6. Furthermore, the pusher bracket 13 is attached with a tip fitting 16 at the tip of the piston rod of the hydraulic cylinder 15 and a tip of a pair of guide rods 17. Then, the hydraulic cylinder 15
Is attached to the casing 18, and the pair of guide rods 17 are slidably supported by penetrating a guide portion 19 attached to the casing 18.

An opening / closing door (not shown) is provided in the casing 18 at the ends of the pair of rails 6 which are remote from the hydraulic cylinder 15, and facing the opening / closing door,
A transfer table 20 for loading and unloading the mounting table 9 is provided. The mounting table 9 is placed on the transfer table 20 and is transferred in the direction perpendicular to the paper surface of FIG.

A mounting member 21 is provided above the rails 6 between the side frames 4, and a pair of air hammers 22 are vertically movable on the mounting member 21. A piston rod of an air cylinder 23 is connected to the upper portion of the air hammer 22, and the air cylinder 23 is attached to the upper frame 5. Reference numeral 24 in the figure denotes a funnel-shaped discharge portion 24 attached to the lower portion of the casing 18, and the discharge portion 24
A conveyor (not shown) for carrying out the product and the refractory material is arranged below the.

When the product separating apparatus constructed as described above is used to separate the product from the runner portion, first, the mounting table 9 on which the mold 10 is mounted is placed on the transfer table 20. In FIG. 1, the casing 1 is transferred in a direction perpendicular to the paper surface.
Stop before opening / closing door 8. In this case, the hydraulic cylinder 1
The pusher claw 12 is projected onto the transfer passage of the carrier 20 by advancing the piston rod 5 of FIG. As a result, the pusher claw 12 engages with the recess of the pusher receiving block 11 attached to the mounting table 9.

In this state, by retracting the piston rod of the hydraulic cylinder 15, the mounting table 9 is drawn into the casing 18 and moved along each rail 6. Then, first, the runner portion 10b in the center of the mold 10 set on the mounting table 9 is positioned below the air hammer 22, and then the air hammer 23 is moved by the air cylinder 23.
Is lowered to press the lower end of the air hammer 22 against the upper end of the central runner portion 10b, and then the mold 10 is vibrated by the air hammer 22. Next, the mounting table 9 is moved by the hydraulic cylinder 15 to press the air hammer 22 against the runner portion 10b adjacent to the mold 10 to vibrate the mold 10. In this way, the air hammer 22 is sequentially pressed against the five runners 10b to apply vibration. As a result, a large number of products connected to each runner part 10b are smoothly and efficiently separated and fall into the discharge part 24.

When the product separation (vibration) process is completed,
The product and the refractory material accumulated in the discharge section 24 are dropped onto a conveyor below to be carried out, the opening / closing door of the casing 18 is opened, and the piston rod of the hydraulic cylinder 15 is advanced to move the mounting table 9 to the transport table 20. While being carried out and transferred in the direction perpendicular to the paper surface in FIG. 1, the mounting table 9 on which a new mold 10 is mounted is stopped by the transfer table 20 before the opening / closing door of the casing 18. Then, the above procedure is repeated to separate the product and the runner part.

[0014]

As described above, the product separating apparatus in the precision casting equipment of the present invention includes a mounting table on which a mold is mounted, a moving mechanism for horizontally moving the mounting table, and a mold on the mounting table. Since it is equipped with a vibration mechanism that applies vibration, the mounting table is moved by the moving mechanism,
By vibrating the mold on the mounting table with a vibration mechanism, each part of the mold is smoothly vibrated, and the mold in the mold is enlarged by promoting the separation of the product and the runner part in the mold.
Even if the product is complicated, the product and the runner can be smoothly and reliably separated, and the separation time can be shortened.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a side view of FIG.

FIG. 3 is a front view of the lower portion of FIG.

FIG. 4 is a plan view of FIG.

5 is a view taken along the line VV of FIG.

[Explanation of symbols]

 9 mounting table 10 mold 15 hydraulic cylinder (moving mechanism) 22 air hammer (vibrating mechanism)

Claims (1)

[Claims] 1. A molded product having the same shape as that of a product is molded, these are assembled in a tree shape, a coating is applied, and then, when the product is cast by replacing the molded product with a metal, from a gate of a mold. A product separation device in a precision casting facility that separates a runner part that has become a passage of charged molten metal and a product, a mounting table on which a mold is mounted, and a moving mechanism that horizontally moves the mounting table, A product separating device in a precision casting facility, comprising: a vibration mechanism that applies vibration to a mold on the mounting table.