JP2925098B2 - Vertical split mold casting equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mold casting apparatus for casting a molten metal directly into a mold to obtain a cast product, and more particularly to a mold casting apparatus in which a divided surface of a mold is vertical. The present invention relates to a vertical split mold casting apparatus to be arranged.

[0002]

2. Description of the Related Art Generally, in a vertical split mold casting apparatus as described above, when a core is inserted into a mold to perform casting, the cavity surface of the mold also becomes vertical like the split surface. Therefore, there are problems such as difficulty in inserting the core and danger of burns. In addition, in order to remove the casting from the mold, it is common to operate the extrusion pin from the mold in the vertical state and push it out. A dent was sometimes formed. For this reason, it is possible to prevent the worker from catching the cast product in the middle of falling with a key bar or the like and dropping it. Due to such a problem, it has not been possible to automatically insert a core or take out a cast product in a vertical split mold casting apparatus.

Further, the maintenance of the mold of the vertical split mold casting apparatus is performed by peeling and re-applying the mold in the cavity,
Repairing grinders at the corners of the cavity, cleaning and replacing air vent plugs, etc. are diverse, so it is cumbersome to maintain the vertically mounted mold as it is, and the mold is removed from the casting equipment. At present, maintenance is carried out by removing the mold, and there are various problems such as extra work of removing and attaching the mold. SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and enables easy and reliable insertion of a core and removal of a cast product, and also facilitates maintenance of the mold with the mold attached to a casting apparatus. It is an object of the present invention to provide a vertical split mold casting apparatus that can be formed.

[0004]

In order to achieve the above object, a vertical split mold casting apparatus according to the present invention has two mounting frames fixedly opposed to each other with a space therebetween, and a gap between the two mounting frames is provided. A fixed die plate having a fixed die attached to the front surface is vertically rotatably mounted via a rotary shaft, and one end of the rotary shaft is connected via a fixedly disposed first reversing cylinder mechanism. The cavity surface is rotatable from a vertical state to an upward horizontal state together with the fixed die plate, and two movable mounting frames are provided on the front side of the side opposite to the fixed mold so as to face each other with a space therebetween. A movable die base is provided so as to be reciprocally movable, and a movable die plate having a movable die mounted on the front surface is mounted between the movable mounting frames so as to be vertically rotatable via a rotating shaft, and an upper end of the movable die plate is attached to the movable die frame. It is detachably connected via a connecting member to a second reversing cylinder mechanism disposed on an upper portion of the base, so that the movable die is rotated together with the movable die plate so that the cavity surface can be rotated from a vertical state to a horizontal state downward. And a rotation assisting member having a handle engageable with one end of a rotating shaft of the movable die plate, and by rotating the handle, the movable die moves the cavity surface together with the movable die plate from a vertical state. It is characterized in that it is adapted to be rotated upward and horizontally.

[0005]

According to the present invention, by adopting the above-mentioned solution means, the operation of the first reversing mechanism allows the fixed die to be in the upwardly horizontal state and the core can be inserted, and the operation becomes extremely simple. The mechanization becomes easy, and the casting can be extruded with the movable mold downward and horizontal by the operation of the second reversing mechanism, and the falling distance of the casting can be greatly shortened. Since the generation is eliminated, the cast product can be automatically taken out. Further, at the time of maintenance of the mold, the fixed mold is turned upward and horizontal by operating the first reversing mechanism, and the handle is engaged with the rotation assisting member, and the connection between the second reversing cylinder and the movable die plate is released.
By rotating the handle, the movable mold is placed in an upward horizontal state, and maintenance can be performed as it is.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. At the upper left and right ends of the base 1 are fixed connecting plates 2A,
The two connecting plates 2A and 2B are connected by tie bars 3 and 3 respectively. At the front surface of the connecting plate 2B, mounting frames 4, 4 are provided facing each other at substantially the same intervals as the tie bars 3, 3, and fixed to the front surface between the mounting frames 4, 4. A fixed die plate 6 to which the mold 5 is attached is rotatably supported vertically via rotary shafts 7 and 7. One end of a link arm 8 is connected to one of the rotary shafts 7, 7, and the other end of the link arm 8 is connected to a piston rod 10 of a first reversing cylinder 9 rotatably provided on the base 1. It is connected to.

Further, a stopper mounting base 11 is provided at a rear position of the fixed die plate 6 on the base 1, as shown in FIGS.
Adjustment bolts 12 and 13 for stoppers are provided on the front part and the upper part of 1. Adjust bolt 12
The adjusting bolt 13 is provided so as to abut against the back surface of the fixed die plate 6 in the vertical state to prevent any further rotation.
Is provided so as to abut against the rear surface of the horn to prevent further rotation. At a position below the fixed die plate 6 in a vertical state on the base 1, a locking pin 14 is fitted into a recess provided on the lower surface of the fixed die plate 6 to lock the fixed die plate 6. 15 so as to be able to move up and down.

Further, a horizontal cylinder 16 is provided on the connecting plate 2A in the direction of the fixed die 5, and a movable die base 18 is fixed to a tip of a piston rod 17 of the horizontal cylinder 16, and the movable die base 18 is fixed. The die base 18 is slidably engaged with the tie bars 3,3. On the front surface of the movable die base 18, movable mounting frames 19, 19 similar to the mounting frames 4, 4 are provided facing each other at substantially the same interval as the interval between the tie bars 3, 3. A movable die plate 21 having a movable die 20 corresponding to the fixed die 5 mounted on the front surface between the mounting frames 19, 19 is rotatably supported vertically via rotary shafts 22, 22. A second reversing cylinder 24 is provided above the moving die base 18 via a bracket 23.
The tip of the piston rod 25 of the second reversing cylinder 24 is detachably connected to the upper end of the movable die plate 21 via a connecting member 26.

As shown in FIG. 6, a stopper mount 27 is provided at the upper end of the front surface of the movable die base 18, and an adjust bolt 28 for a stopper is provided on the lower surface of the stopper mount 27. I have. The adjusting bolt 28 is attached to the movable die plate 21 in a horizontal state.
Is provided so as to abut against the rear surface of the horn to prevent further rotation. A rotation assisting member 29 is fitted and fixed to one of the rotating shafts 22, and a pin 30 is provided at a position of the moving mounting frame 19 near the moving die base 18 from the rotation assisting member 29. A stopper 31 is provided for taking in and out in the direction of 29. 6 and 7, the rotation assisting member 29
As shown in FIG. 8, when the movable die plate 21 is in the vertical state, the first locking piece 3 corresponding to the pin 30 of the stopper 31 is provided.
When the movable die plate 21 and the movable die plate 21 are in the upward and horizontal state, the second locking piece 33 corresponding to the pin 30 is attached, and the concave portion 35 into which the tip of the handle 34 can be inserted.
Are perforated. In the drawing, reference numerals 36, 36 denote operation cylinders of extrusion plates 37, 37 for operating a product extrusion pin (not shown).

With the above-described structure, after the locking pin 14 is removed from the recess of the fixed die plate 6 by operating the cylinder 15 in the state shown in FIGS.
The die plate 6 is rotated about the rotating shafts 7 and 7 until the back surface of the fixed die plate 6 comes into contact with the adjustment bolt 13 by operating the reversing cylinder 9 to bring the fixed die 5 upward and horizontally as shown in FIG. . In this state, the fixed mold 5
The core C is set by a core setting device (not shown), but the core set is easy because the fixed die 5 is in an upward horizontal state, and the core set is simple. Is adopted. Next, the first reversing cylinder 9 is reversely operated so that the rear surface of the fixed die plate 6 is inverted until the back surface of the fixed die plate 6 comes into contact with the adjusting bolt 12, and the cylinder 15 is operated, and the locking pin 14 is inserted into the concave portion of the fixed die plate 6 and fixed. The die plate 6 is locked. Next, the horizontal cylinder 16 shown in FIGS. 1 and 2 is operated to move the movable die plate 21 and the movable die 20 to the right via the movable die base 18 so that the movable die 20 is vertically aligned with the fixed die 5.

Next, the molten metal is poured into the mold set with the core set in the vertical state, and this state is continued until the molten metal solidifies.
, The horizontal cylinder 16 is operated in reverse. The casting W solidified by this operation is extruded from the fixed mold 5 and is attached to the movable mold 20 side, and the movable mold 2
It is moved together with 0 until the state shown in FIGS. Next, the first reversing cylinder 9 and the second reversing cylinder 24 are operated, as shown in FIG. 3, the fixed die 5 is turned upward and horizontal as described above, and the core is set. Is rotated until the back surface of the first member comes into contact with the adjustment bolt 28, thereby bringing the lower surface into a horizontal state. Next, the working cylinder 36 on the movable mold 20 side operates to push out the casting W attached to the movable mold 20. At this time, since the movable mold 20 is in the downward horizontal state, the casting W does not roll over and receive a strong impact, and no dent is formed on the casting W.

Next, the fixed die 5 and the cast product W with the core set
The movable mold 20 extruded from the first reversing cylinder 9 and the second
1 and 2 by the reverse operation of the reversing cylinder 24, and the above operation is repeated. Further, when performing maintenance on the fixed mold 5 and the movable mold 20, the fixed mold 5 performs maintenance with the fixed mold 5 facing upward and horizontal by the same operation as the core set, while the movable mold 20 is as shown in FIGS. 7 and 8. When the pin 30 is engaged with the first locking piece 32 of the rotation assisting member 29 (inserted into the hole) by operating the stopper 31 and the tip of the handle 34 is inserted into the concave portion 35, The connection between the piston rod 25 and the connecting member 26 is released, and the second reversing cylinder 24 is flipped up. Next, the stopper 30 is operated to pull out the pin 30 from the first locking piece 32, and the handle 3
4 is manually rotated in the counterclockwise direction, and when the movable mold 20 is in the upward and horizontal state, the stopper 31 is operated again to engage the pin 30 with the second locking piece 33, and the movable die plate 21 and The movable mold 20 is fixed. In this state, the maintenance of the movable mold 20 is performed, and after the maintenance is completed, the operation reverse to the above-mentioned operation is performed to return to a state where casting can be performed again.

[0013]

According to the present invention, as is apparent from the above description, in the vertical split die casting apparatus, the fixed die can be turned upward and horizontally when the core is set, and the movable die can be turned downward and horizontal when the cast product W is taken out. It is possible to turn the fixed mold and the movable mold upward and horizontally when the mold is maintained, so that the auxiliary equipment such as the core set, casting removal and core set equipment is simple. It has a variety of effects, such as being very useful for automation of die casting.

[Brief description of the drawings]

FIG. 1 is a partially omitted plan view showing an embodiment of the present invention.

FIG. 2 is a partially omitted front view showing the embodiment of the present invention.

FIG. 3 is a partially omitted front view showing an operation state of the embodiment of the present invention.

FIG. 4 is an enlarged detailed view of a right half portion in FIG. 2;

FIG. 5 is a detailed view showing the inverted state of the fixed type shown in FIG. 4;

FIG. 6 is an enlarged detail view showing a movable-type inverted state of a left half portion in FIG. 2;

FIG. 7 is a detailed view showing a state before the upward reversal of the movable type shown in FIG. 6;

FIG. 8 is a detailed view showing a state in which the movable type of FIG. 7 is turned upside down;

[Explanation of symbols]

 2A 2B Fixed connecting plate 4 Mounting frame 5 Fixed type 6 Fixed die plate 8 Link arm 9 First reversing cylinder 18 Moving die base 19 Moving mounting frame 20 Moving type 21 Moving die plate 24 Second reversing cylinder 29 Rotation assisting member 34 Handle 35 Recess

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁶ , DB name) B22D 33/02 B22C 9/06 B22D 29/04

Claims (1)

(57) [Claims] 1. A fixed die plate having a fixed die attached to a front surface thereof is mounted between two mounting frames so as to be vertically rotatable via a rotating shaft. One end of the rotary shaft is connected via a fixedly disposed first reversing cylinder mechanism, whereby the fixed die can rotate the cavity surface together with the fixed die plate from a vertical state to an upward horizontal state, On the side opposed to the fixed type, a movable die base provided with two movable mounting frames on the front surface thereof opposed to each other at a distance is provided so as to be able to reciprocate, and a movable type is provided on the front surface between the two movable mounting frames. The movable die plate is vertically rotatable via a rotary shaft, and the upper end of the movable die plate is detachably connected to a second reversing cylinder mechanism disposed above the movable die base via a connecting member. The movable die is rotated together with the movable die plate so that the cavity surface can be rotated from a vertical state to a horizontal state downward, and a handle can be engaged with one end of a rotating shaft of the movable die plate. Characterized in that the movable die is rotated together with the movable die plate from a vertical state to an upward horizontal state by rotating the handle. Mold casting equipment.