JPH06246431A - Equipment for pulling out cope box - Google Patents

Abstract

PURPOSE:To keep the position of a chiller and to easily and surely pull out a cope box from a cope by hanging up the cope box from the pushed up cope and drag with a cope box lifting device. CONSTITUTION:Cope box pulling-out equipment is provided with a pushing means 18 having a pushing member 20, in which the lower surface thereof descends to the position forming the gap having the necessary length to the upper surface of the cope and drag 2, 3 after pouring, included in the cope and drag boxes 4, 5. The cope and drag boxes 4, 5 are pushed up with a molding flask pushing-up means (cylinder) 8 until the gap between the lower surface of the lowered pushing member 20 and the upper surface of the cope and drag 2, 3 becomes zero. The cope box lifting device 14 for hanging up the cope box 4 from the cope and drag 2, 3 pushed up with the molding flask pushing-up means 8, is arranged. By this method, the cope box can be pulled up from the cope in the conduction of holding the cope and drag from the vertical direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to equipment suitable for extracting an upper flask from an upper mold, and more specifically, to maintain the arrangement of an upper mold cooling die from the upper mold after pouring. Take it out and place it on the preset jig plate, put the upper mold cooling die on the preset jig plate into the mold for upper mold making, and use this mold to cool the upper mold and mold the upper mold embedded in the mold. ,
The present invention relates to an upper flask extraction equipment suitable for extracting an upper flask from the upper mold while leaving the upper mold on the lower mold.

[0002]

2. Description of the Related Art Conventionally, for example, in camshaft casting for automobiles, chill hardening of the camshaft is performed by burying a cooling die in a required portion of the mold and casting. And
As one of the means for setting the chill in the mold, Japanese Patent Laid-Open No. Sho 53-53
As disclosed in Japanese Unexamined Patent Publication No. 106332, a chill money receiving head having chuck means for placing a chill money on a position corresponding to a mold on a preset jig plate and gripping and releasing the chill money is used. , Which is configured to embed a cooling die on a preset jig plate by transferring the cooling die on the preset jig plate to the die while maintaining the arrangement and molding the die using this die There is.

[0003]

By the way, in the conventional equipment constructed as described above, the chill must be placed on the preset jig plate manually.
Therefore, the applicant has taken out the upper mold cooling die from the upper mold after pouring the molten metal while maintaining its arrangement and placing it on the preset jig plate, and placing the upper mold cooling die on the preset jig plate on the upper mold. A molding method has been proposed in which it is placed in a mold for molding, the upper mold is cooled by this mold and the upper mold embedded in the mold is molded, and a patent has been applied for. However, in such a method, the chill and the casting are cooled in the mold, but from the viewpoint of shortening the cooling time, reducing the equipment cost, etc., cooling the upper flask with the upper frame removed from the upper mold. It is necessary to cool gold etc., but the upper mold remains on the lower mold without causing displacement of the cold gold,
There was no suitable equipment for extracting the upper flask from the upper mold. The present invention has been made in view of the above circumstances,
It is an object of the present invention to provide a facility capable of extracting an upper flask from an upper mold while leaving the upper mold on the lower mold without causing displacement of the chill.

[0004]

In order to achieve the above object, the equipment for extracting the upper flask according to the present invention is preset by taking out the upper mold cooling die from the upper mold after pouring while maintaining its arrangement. Place on the jig plate, put the upper mold cooling die on the preset jig plate in the mold for upper mold making, and use this mold to cool the upper mold and mold the upper mold embedded in the mold,
An upper casting frame extraction facility for extracting the upper casting mold from the upper casting mold while leaving the upper casting mold left on the lower casting mold, and the upper surfaces of the upper and lower casting molds after pouring which are built in the upper and lower casting molds. With the holding means having a holding member whose lower surface descends to a position where a gap having a required length is formed, and the gap between the lower surface of the lowered holding member and the upper surfaces of the upper and lower molds becomes almost zero. Until the above-mentioned lower and upper flasks are pushed up, and the flask pushing-up means,
And an upper flask raising device for lifting the upper flask from the lower mold.

[0005]

The operation of the thus constructed equipment will be described. The holding member of the holding means is lowered to a position where the lower surface forms a gap of a required length between the lower surface and the upper surfaces of the upper and lower molds after pouring. Then, the upper and lower flasks are pushed up by the flask pushing-up means until the gap between the lowered lower surface of the pressing member and the upper surfaces of the upper and lower molds becomes zero. Then, the upper flask is lifted by the upper flask lifting device, so that the upper flask can be extracted from the upper mold without causing the displacement of the chill.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail with reference to FIGS. As shown in FIG. 1, which is a partially cutaway front view, upper and lower casting flasks 4 and 5 containing the upper and lower casting molds 2 and 3 after pouring are fixed in the lower portion 1a in the portal frame 1. It is arranged so as to be movable in the front-rear direction by means of a board cart 6 and a hollow roller conveyor 7. Further, at the four corners of the lower portion 1a in the gate-shaped frame 1, four downwardly directed first cylinders 8 are provided as a molding frame pushing-up means. Further, a middle punching roller conveyor device 9 capable of moving the upper casting frame 4 in the left-right direction is mounted at a middle position of the gate-shaped frame 1. In the middle punching roller conveyor device 9, a partial cross section A of FIG.
As shown in FIG. 2, which is a view from the direction of arrow A, a pair of conveyor frames 11 axially supporting a plurality of hollowing rollers 10 are provided with two downward second cylinders 12 pivotally supported on the portal frame 1.
And the vertical movement of the two link mechanisms 13 allows the upper and lower frames 4 to be expanded and contracted to widen and widen the intervals of the hollowing rollers 10 facing each other. It is possible to pass between 10 up and down.

An upper flask raising device 14 is mounted on the portal frame 1, and in the upper flask raising device 14, a ceiling 1b of the portal frame 1 and a lower portion 1a of the portal frame 1 are provided. Between them, four guide rods 24 oriented in the up-down direction are provided at required intervals in the front-rear direction and the left-right direction, and each guide rod 24 has a cylindrical lifting member 15
Is mounted so that it can slide up and down. These elevating members 15 are vertically installed on the elevating frame 16 and
Is fixed to the upper end of the piston rod of the upwardly directed third cylinder 17 mounted on the gate-shaped frame 1, and the elevating member 15 ascends and descends along the guide rod 24 by the expansion and contraction operation of the third cylinder 17. It is like this. Further, as shown in FIG. 3 which is an enlarged detailed view of a portion B in FIG. 1, a claw member 15a capable of latching the lower surface of the upper casting frame 4 is provided at a lower portion of the elevating member 15.

Further, as shown in FIG. 2, a holding means 18 is mounted on the ceiling 1b of the portal frame 1, and in the holding means 18, the first cylinder 17 is mounted on the ceiling 1b of the portal frame 1. I put two between them
A pressing member 20 for pressing the upper surface of the upper mold 2 is provided between the lower ends of the piston rods of the downwardly facing fourth cylinders 19, and the pressing members 20 are moved downward when the fourth cylinder 19 is extended. As shown in FIG. 3, the lower surface forms a slight gap with the upper surface of the upper mold 2. Further, as shown in FIG. 1, a fifth cylinder 21 for pushing the upper flask 4 placed on the hollowing roller conveyor device 9 to the right side is disposed at a left side position of the hollowing roller conveyor device 9 via a base 22. There is. In the figure, 25 is a guide rod and 26 is a rod holder.

Next, the operation of the thus constructed equipment will be described. As shown in FIG. 1, under the condition that the first cylinder 8 is contracted and the second cylinder 17 is contracted to lower the elevating member 15, the claw members 15a, etc. The upper and lower flasks 4 and 5 containing the molds 2 and 3 are carried into the position between the elevating members 15 by the trolley 6 and fixed. As shown in FIG. 3, a cooling metal C is buried in the upper and lower molds 4 and 5. Next, the fourth cylinder 19 is extended to lower the pressing member 20 to a position where the lower surface of the pressing member 20 forms a gap of a required length between the lower surface of the pressing member 20 and the upper surfaces of the upper and lower molds 2 and 3, and subsequently, The cylinder 1 is extended to push up the upper and lower flasks 4 and 5 until the clearance between the lower surface of the lowered pressing member 20 and the upper surfaces of the upper and lower molds 2 and 3 becomes zero. Next, the second cylinder 12 of the hollowing roller conveyor device 9 is contracted to widen the interval between the hollowing rollers 10 facing each other, and then the second cylinder 17 is extended to lift and lower through the lifting frame 16. The member 15 and the like are raised and the upper flask 4 is lifted by the claw members 15a. As a result, the upper casting frame 4 can be extracted from the upper mold 2 while the upper mold 2 remains on the lower mold 3 without causing the positional deviation of the upper cooling metal C and the like. After the inner surface of the suspended upper flask 4 is cleaned by the scraper 23, the upper flask 4 is lifted to a position above the hollowing roller conveyor device 9.

After the extraction of the upper flask 4 is completed, the fourth cylinder 19 is contracted to raise the pressing member 20, and subsequently,
The second cylinder 12 is extended to restore the space between the hollowing rollers 10 to the original state so that the upper flask 4 is placed on the hollowing roller conveyor device 9. Then, the fifth cylinder 21 is extended to operate the upper casting frame 4 on the hollowing roller conveyor device 9.
After pushing out to the right side, the first cylinder 8 is contracted to return the platen truck 6 and the like to the hollowing roller conveyor 7, and then the lower mold 3 and the like on which the upper mold 2 from which the upper flask 4 has been drawn is placed. Is moved backward together with the surface plate truck 6 to end one cycle (see FIG. 2).

[0011]

As is apparent from the above description, according to the present invention, since the upper mold can be pulled out from the upper mold while the upper and lower molds are sandwiched from the upper and lower directions, it is built in the upper mold. There is an excellent effect that the upper mold can be easily and surely pulled out from the upper mold while maintaining the position of the chill.

[Brief description of drawings]

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

2 is a partial cross-sectional view taken along the line AA of FIG.

3 is an enlarged detailed view of a B part in FIG. 1. FIG.

[Explanation of symbols]

 8 1st cylinder 14 Upper flask raising device 18 Holding means

Claims (1)

[Claims] 1. An upper mold cooling die is taken out from the upper mold after pouring while maintaining its arrangement and placed on a preset jig plate, and the upper mold cooling die on the preset jig plate is used for upper mold making. When placing in a mold and cooling the upper mold with this mold to make the upper mold embedded in the mold, the upper mold extraction device for extracting the upper mold from the upper mold while leaving the upper mold on the lower mold. A holding means having a holding member whose lower surface descends to a position where a gap having a required length is formed between the upper and lower upper surfaces of the upper and lower molds after pouring, which are contained in the upper and lower molding flasks,
A flask pushing-up means that pushes up the upper and lower flasks until the gap between the lower surface of the lowered holding member and the upper surfaces of the upper and lower molds becomes zero, and the top pushed by the flask pushing-up means. An upper flask lifting device for lifting an upper flask from a lower mold.