JP2000176599A - Shake-out apparatus for sand mold with molding flask - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shake-out apparatus for a sand mold with a molding flask, with which the vibration of the ground and the noise of the vibration are little and such problem as the setting space can be reduced. SOLUTION: A vibrator 6 arranging plural guiding plates 7, 7 whose outer dimension is smaller than the outer dimension of the sand mold M with the molding flask, and also, inclined so as to part as the reverse V shape on the upper surface with the interval, is provided below a crane 1. Then, in both right and left sides and the rear both right and left sides in the vibrator 6, grate base boards 11 are arranged at the upper part, and also, plural vibrating separators 9 (17) provided with sand discharging chutes 12 at the lower level than the height of the vibrator 6 are disposed below the grate base board 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for removing a sand mold with a casting flask, which crushes a sand mold portion after removing a cast product by vibration to form a sand block having a required size or less. .

[0002]

2. Description of the Related Art Conventionally, the above-mentioned sand mold releasing device with a casting frame is provided with a sand plate with a casting frame placed on the upper portion of the lattice plate of a vibration separating device having a lattice plate mounted thereon. The sand mold is crushed by vibration, and a large lump of sand is crushed into sand smaller than the required size and dropped to collect sand.

[0003]

In the above-mentioned sand-type demolding apparatus with a flask, a vibration separator having a large lattice plate corresponding to the size of the flask is required, and the vibration separator is inevitably used. Therefore, a vibration motor or the like having a large excitation force is required. In addition, since the entire sand mold with a flask is vibrated by a large excitation force, strong ground vibrations and high noise due to collision between the flask and the grid plate are generated, thereby deteriorating the environment. Further, as the size of the vibration separating device increases, the height of the device also increases, and when the device is installed in a pit or the like, a deep pit is required. SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a sand-mold-separating device with a casting frame capable of reducing ground vibration and vibration noise and solving the problem of installation space.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a sand mold releasing device with a molding flask, which has an outer dimension below a crane capable of suspending the sand molding frame. A vibrator having an outer dimension smaller than the outer dimension of the sanding mold and having a plurality of guide plates arranged at intervals on the upper surface and distributed in a mountain shape at intervals is provided, and left and right sides and a rear left and right side of the vibrator are provided. Wherein a plurality of vibration separators having a grid plate on the top and a sand discharge chute below the grid plate are arranged at a level lower than the height of the vibrator. It is.

[0005]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1, a pit P is dug below a crane 1 for suspending a sand mold M with a flask via a wire W, and a base 2 is provided at the center of the pit P. In addition, a gantry 3 is erected at the upper center of the base 2. A vibrator 6 with vibrating motors 5 and 5 is provided at the upper part of the gantry 3 via air springs 4 and 4. The plates 7, 7 are provided at intervals. The vibrator 6 has a small external dimension which is 1/4 or less of the external dimension of the sand mold M with a flask.

At both left and right outer sides of the vibrator 6, vibration separators 9, 9 supported on the base 2 and the support 2A via air springs 8, 8 are disposed to face each other. The separators 9 and 9 constitute lattice bases 11 and 11 in which a plurality of bars 10 and 10 are arranged at required intervals on the ceiling, and a sand discharge chute 12 below the lattice bases 11 and 11. 12
Is attached, and is vibrated by the vibration motors 13. Sand discharge chute 1
The sand discharge ports 14, 14 are directed toward the center of the vibrator 6. Sand stoppers 11A, 11 which prevent the lump of sand S from dropping are provided on the upper peripheral edges of the lattice bases 11, 11.
A is attached.

[0010] Behind the vibrator 6, as shown in FIGS. 2 and 3, the height level of the vibration separators 9 is the same as the height level of the vibration separators 9. Are provided on the left and right sides of the deck 16 (FIG. 3).
(Upper and lower sides) are provided with vibration separators 17, 17 having the same configuration (description is omitted) as the vibration separators 9, 9. In the drawing, reference numeral 18 denotes a vibration conveyor.

Next, the operation of the above-configured apparatus will be described in detail. 1 and 2, the vibration motors 5, 5 are operated to vibrate the vibrator 6, and the crane 1 is operated with the vibration motors 13, 13 of the vibration separators 9, 17 being operated to remove the casting. The sand mold M with a flask is suspended on the vibrator 6 until the wire W is slightly loosened. Thereby, a part of the sand mold M with a flask is crushed and dropped by the vibrator 6. When a part of the sand mold M with a flask is crushed and dropped, the crane 1 is operated to lift the sand mold M with a flask and move it slightly to shift the position of the sand mold M with a flask corresponding to the vibrator 6 and to re-wire the wire W again. Is repeated until the mold is slightly loosened, and the whole sand mold M with a flask is crushed and dropped. At this time, since the vibrator 6 is an extremely small facility for the sand mold M with a flask, the generated ground vibration and noise are extremely small.

The lumps of sand S which are sequentially crushed and dropped as described above are guided by the guide plates 7 of the vibrator 6 or are directly on the grid bases 11 of the respective vibratory separators 9 and 17 or for workers. Is dropped on the wire net 15 of the deck 16. Next, the lump of sand S that has fallen on the grid bases 11, 11 passes between the bars 10, 10, passes through the sand discharge chutes 12, 12, and the sand that has fallen on the deck 16 passes through the mesh of the wire mesh 15. After passing through, each is discharged to the vibrating conveyor 18 and collected. On the other hand, the sand mass S of a size that cannot pass between the bars 10 and 10 of the lattice platen 11 is gradually crushed and reduced by the vibration action of the vibration separators 9 and 17, and passes between the bars 10 and 10. Then, it falls on the sand discharge chutes 12 and 12 and is similarly collected by the vibrating conveyor 18. At this time, the vibration separators 9 and 1
7 has a very small ground vibration and noise due to being divided into a plurality of small facilities.

In the above-described embodiment, the sand discharge ports 14, 14 of the sand discharge chutes 12, 12 are directed to the vibrating conveyor 18 below the vibrator 6, so that the sand is collectively collected at one place. May direct outlets 14, 14 to separate conveyors. In addition, in order to stably mount the sand mold M with a flask on the vibrator 6, as shown by a chain line in FIG. It may be provided in the same manner as the level.

[0011]

As is apparent from the above description, the present invention is directed to a vibration separator having a sand mold with a flask, which is sequentially crushed by a vibrator and dropped from the flask to be placed around the vibrator. Since the sand is gradually reduced and recovered by passing between lattices or applying vibration, the small vibrator and multiple small vibration separators can be used to separate the frame and break the sand. There is an effect that the ground vibration and noise generated from the apparatus and the vibration separator can be reduced and the installation space of the apparatus can be reduced.

[Brief description of the drawings]

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

FIG. 2 is a side view taken along the line AA in FIG.

FIG. 3 is a plan view taken along the arrow BB in FIG. 2;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Crane 6 Vibrator 7 Guide plate 9 17 Vibration separator 11 Lattice platen 12 Sand discharge chute 19 Casting frame receiver M Sand frame with casting frame S Sand block

Claims (3)

[Claims] 1. A crane 1 capable of suspending a sand mold M with a flask has an outer dimension smaller than the outer dimension of the sand mold M with a flask, and is inclined in a mountain shape on an upper surface. A vibrator 6 provided with a plurality of guide plates 7 and 7 spaced apart from each other is provided. A sand-type unraveling device with a casting frame, wherein a plurality of vibration separators 9 and 17 having a sand discharge chute 12 below 11 are arranged at a level lower than the height of the vibrator 6. The sand discharge chutes (12) of the plurality of vibration separators (9, 17) are mounted on the guide plate (7) of the vibrator (6).
The sand mold release device with a flask according to claim 1, wherein the device is provided toward the center of the mold. 3. A molding frame support 19 is provided outside the rear portion of the vibrator 6.
3. The sand mold releasing device according to claim 1, wherein the height of the vibrator is the same as the height of the vibrator.