JPH0737457U - Dust collecting hood for die casting machine - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a dust collector for a die casting machine having excellent suction efficiency. [Structure] A rotatable fixed die side hood 11 is provided on an upper part of a die casting machine in which a fixed die and a movable die are opposed to each other, and reciprocating movement is possible between the fixed die side hood 11 and an upper part of the movable die. A die side hood 7 is provided, and the movable die side hood 7 and the fixed die side hood 11 are disposed above the die casting machine by a side surface open portion 13 of the movable die side hood 7 and a side surface open portion 13a of the fixed die side hood 11. Those that can be connected freely.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a dust-collecting hood for a die casting machine, which has excellent suction efficiency.

[0002]

[Prior art]

 The die-casting machine requires a pre-process of spraying the release agent onto the mold before performing the die-casting process, but when this release agent is sprayed, part of the release agent becomes a mist and scatters around. As a result, the working environment is significantly deteriorated. In order to prevent such a work environment from being deteriorated, it is common practice to dispose a dust collecting hood on the upper part of the die casting machine to collect the mist. However, in a die casting machine, it is necessary to replace the mold regularly.Therefore, an opening for such mold replacement is usually provided in the hood separately from the suction opening. As a result, the suction efficiency becomes poor, so a large amount of suction force is required to suck the mist collected by the hood, which increases equipment costs and running costs. Furthermore, when replacing the mold, the crane grips, etc. are positioned at the mold position through the opening of the hood to clamp the mold, and the old mold is carried out and a new mold is carried in. As a result, there is also a problem that the work efficiency of die replacement is significantly reduced.

[0003]

[Problems to be solved by the device]

 The present invention intends to solve the above problems by improving the work efficiency of mold replacement and the like, and at the same time, the dust collection for a die casting machine that can improve the suction efficiency of the collecting mist. To provide food.

[0004]

[Means for Solving the Problems]

 The dust-collecting hood for a die casting machine of the present invention made to solve the above problems is provided with a rotatable fixed die side hood on the upper part of a die casting machine in which a fixed die and a moving die are opposed to each other. A movable die side hood is provided that can reciprocate between the fixed die side hood and the upper side of the movable die. The movable die side hood and the fixed die side hood are the side surfaces of the movable die side hood in the upper part of the die casting machine. The feature is that the open part and the side open part of the fixed die side hood can be connected.

[0005]

【Example】

 The present invention will now be described in detail with reference to the illustrated embodiment. As shown in the figure, the die casting machine 5 to which the present invention is applied is a general one in which a movable die 2 is movably arranged facing a fixed die 1 via a tie bar 3. A mold 4 and a mold 4a are attached to the inner surfaces of the moving die 2 which face each other.

A rail 6 is provided on the die casting machine 5 from the upper portion of the fixed die 1 to the outer upper portion of the moving die 2. The lower surface of the rail 6 is a releasing portion for suction. The movable die side hood 7 having the inner side surface as the side surface releasing portion 13 for connection is provided so as to reciprocate between the outer upper portion of the movable die 2 and the upper portion of the fixed die 1 by the operation of the fluid pressure cylinder 8. Has been. On the other hand, on the outside of the upper part of the fixed die 1 of the die casting machine 5, the fixed die side hood 11 having the lower surface as the release portion for suction and one side surface as the side surface release portion 13a for connection is provided with the side surface open portion 13a for connection. It is rotatably arranged around a rotation vertical axis (not shown) that is biased to. Then, the fixed die side hood 11 is rotated and held so that the side opening portion 13a for connecting the fixed die side hood 11 faces inward, and when the movable die side hood 7 is moved toward the fixed die side hood 11, the die cast machine 5 The side surface opening 13a of the fixed die side hood 11 and the side surface opening 13 of the movable die side hood 7 are configured to be connectable in the upper part of the. In addition, in the embodiment, the suction duct 10 is connected to the upper surface of the fixed die side hood 11 at a position biased to the side surface open portion 13a side, and the suction duct 10 is used as a rotation shaft by a drive source (not shown). The fixed die side hood 11 is configured to freely rotate together with the suction duct 10.

[0007]

[Action]

 In such a structure, the die casting machine 5 is usually in a state in which the fixed die side hood 11 and the moving die side hood 7 are connected and integrated by the side surface opening portion 13a and the side surface opening portion 13 in the upper part of the die casting machine 5. The mist generated in No. 5 is to be collected. In this case, the hood facing the upper part of the die casting machine 5 has no opening for die replacement, and the opening area is Since it can be minimized enough to cover, the suction process can be performed efficiently with a small air flow without leakage, and the suction blower can be downsized and the power consumption can be reduced, which is economically effective. It will be big.

On the other hand, when the mold 4 and the mold 4a are replaced, as shown in FIG. 2, the movable die side hood 7 is fixed along the rail 6 by the operation of the fluid pressure slider 8 or the like. The die-casting machine 5 by pulling it away from the die-casting machine 5 and rotating the fixed-die-side hood 11 on the fixed die 1 by 90 degrees to make the side opening 13a of the fixed-die side hood 11 sideways. 5 is moved from the upper part to the outside, a sufficient space is formed between the fixed die side hood 11 and the movable die side hood 7 on the upper part of the die casting machine 5. The molds 4 and 4a may be removed by interposing a handle such as a crane, and the molds may be exchanged by carrying them out and in. After the die replacement, etc., the movable die side hood 7 is again moved toward the fixed die side hood 11 to connect and integrate the fixed die side hood 11 and the movable die side hood 7. Similarly, the mist generated by the die casting machine 5 should be collected.

[0009]

[Effect of device]

 As is apparent from the above description, the present invention is capable of reciprocating between the fixed die side hood and the fixed die side hood which are rotatable on the upper part of the die casting machine in which the fixed die and the movable die are opposed to each other. A movable die side hood is provided, and the movable die side hood and the fixed die side hood can be connected to each other at an upper portion of the die casting machine at a side surface open portion of the fixed die side hood and a side surface open portion of the movable die side hood. Therefore, the dust collection hood does not require an opening for work such as mold replacement, and the mist can be collected and sucked easily and reliably with a small-scale facility to reduce the cost. Since there is almost no leakage of mist from the hood, the working environment can be significantly improved. Moreover, since the mist collection hood can be completely removed from the upper part of the die casting machine, work efficiency such as mold replacement can be significantly improved, and the downtime can be shortened to improve productivity. It can bring excellent effects such as being able to do so. Therefore, the present invention has an extremely great practical value as a dust collector for a die casting machine that solves the conventional problems.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state of collecting mist according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state when a mold is exchanged according to an embodiment of the present invention.

[Explanation of symbols]

 7 Moving die side hood 11 Fixed die side hood 13 Side opening 13a Side opening

Claims (2)

[Scope of utility model registration request] 1. A fixed die side hood (11) rotatable on an upper portion of a die casting machine in which a fixed die and a movable die are opposed to each other.
And a movable die side hood (7) that can reciprocate between the fixed die side hood (11) and the upper part of the movable die. )
Is characterized in that the side opening (13) of the movable die side hood (7) and the side opening (13a) of the fixed die side hood (11) are connectable at the upper part of the die casting machine. Dust collecting hood for die casting machines. 2. The assembly for a die casting machine according to claim 1, wherein the rotatable fixed die side hood (11) is positioned such that its rotation longitudinal axis is biased to the side surface open portion (13a) side for suction. Dust hood.