JPH05255U - Device for receiving molten metal - Google Patents

Abstract

(57) [Summary] (Correction) [Structure] Set the spool cup 6 on the sprue on the upper surface 1-1 of the mold 1. The cup 6 has a rectangular shape in plan view, and the main body 7
Has a flange portion 7-2 extending to the outside and a pouring port 8 in the central portion, around which a mold dividing surface 2-1 and 3
1 is provided as an apex, and an inclined flange surface 9 is provided which is inclined to both outer sides, and a pouring port 8 and an upstream portion are communicated with each other in a widthwise central portion of the flange surface 9, and an outflow passage 10 in which a downstream portion is opened to an outer method. Set up. Below the flange portion, a hot-water ball and an outflow molten metal receiver 12 are arranged. [Effect] The scattered molten metal balls generated when pouring the molten metal and the overflowed molten metal flow out to the receiver along the inclined surface, and the rising wall prevents the molten metal from entering the upper surface of the mold or the mold dividing surface. Prevents damage to the mold. In addition, it is easy to attach and detach each component. Since it is made of metal, there is no generation of steam when pouring, and a good quality cast product can be obtained.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention is designed such that when pouring in die casting, the molten metal overflows from the sprue and The present invention relates to a receiving device when it flows out into a room or is scattered into hot water. It

[0002]

[Prior art]

  Conventionally, casting with the die 50 is performed when the left and right dies 51 and 52 are joined as shown in FIG. The spool cup 53 is fitted on the sprue part on the upper surface of the mold to be formed, and the spout 54 The molten metal 55 is poured into the pool cup 53 and casting is performed. The mold 5 overflows from the eggplant spool cup 53 or becomes hot water balls. 0 to the upper surface of the die 50 to damage the upper surface of the die 50, or to divide the surfaces of the dies 51 and 52 (joint There is a problem such as entering the surface).

[0003]   Therefore, as shown in FIG. 5, conventionally, the circumference of the spool cup 53 on the upper surface of the mold 50 is covered with alumina. Cover with a heat resistant material 56 such as the last, and mold the hot water and hot water spilled from the spool cup 53 It is performed so as not to adhere to the upper surface of 50.

[0004]

[Problems to be solved by the device]

  In the above conventional technique, since the upper surface of the mold is covered with the heat-resistant material 56, the molten metal that has flowed out Also, it is possible to prevent problems such as damage to the mold due to hot water balls and penetration of molten metal into the mold dividing surface. However, such conventional technology requires that the heat-resistant material be replaced regularly and in a short period of time. It is necessary to mold the heat resistant material into a cup shape each time, and it takes time to set it. In addition, there is a lot of man-hours such as the need to heat the heat-resistant material after setting, and after setting It takes a lot of man-hours such as the need to heat the heat resistant material, which makes the work complicated and troublesome. It takes time and the heat-resistant material may crack or peel during use.   Further, the alumina blast is molded as described above, heated, and used in a dry state. However, it absorbs moisture in the air, becomes vapor when pouring, and enters the mold cavity, There is a risk of mixing with the molten metal and causing defects such as gas defects inside the cast product.

[0005]   The present invention has been made to solve the problems of the prior art, and its purpose is to The flow of molten metal during pouring, damage to the mold due to scattered balls, and the invasion of these into the split surface In addition to surely preventing entry, the prevention structure is easy to attach and detach, and workability is greatly improved. It can be used in a wide range and can be used repeatedly, contributing to the reduction of man-hours and cost, and it is also advantageous. The obtained cast products also have the advantage of being of good quality without any gas defects. An object of the present invention is to provide a device for receiving molten metal.

[0006]

[Means for Solving the Problems]

  The means for solving the above-mentioned problems is to construct the main body of the spool cup in a rectangular shape in plan view. Is equipped with a pouring port in the center, and the periphery of the pouring port is the flange, and the top surface of the main body is pouring. It is configured so that the mold dividing surface facing the sprue is an apex and the outer surfaces are inclined so that both sides are lowered. In addition, raised walls are provided at opposite ends of the inclined surface, and the center of the inclined surface is further provided. For outflow molten metal, which has a hot water outflow passage that opens to the outside of the slope It is a receiving device.

[0007]   In addition, a metal outflow molten metal is provided below the outlet on the downstream side of the outflow passage of the spool cup. That is, the receiver is provided.

[0008]

[Action]

  According to the above means, the spool cup is tilted so that the center part is high and both sides are low. Inclined walls are provided at both ends of the inclined surface, and the center of the inclined surface is open to the outside of the inclined surface. Since there is an outflow passage, the water drops will scatter on the square flange of the spool cup. It goes down and is discharged to the outside via the inclined surface, and raised walls are provided at both ends of the inclined surface. As a result, the molten metal that overflows is prevented from scattering to the outside, and the overflowed molten metal flows out to the pouring spout. Even if the molten metal is discharged from the channel and overflows from the outflow channel, it flows on the inclined surface and flows outward through the rising wall. It is prevented from flowing out, and the outflowing molten metal is stored in the receiving tool at the lower outside and flows out to the upper surface of the mold. It is easy to set because it is made of metal and does not stick to it It can be used repeatedly over time.

[0009]

【Example】

  Next, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.   FIG. 1 is an explanatory view showing a state in which the receiving device according to the present invention is set in a mold and pouring is performed. Perspective view, FIG. 2 is a front view of a mold set with a receiving device, FIG. 3 is a side view of the same, and FIG. Fig. 5 is an explanatory perspective view that points out the problems during conventional mold pouring, and Fig. 5 shows a conventional improved technique. It is explanatory drawing which sets a heat resistant material to the circumference of a pool cup, and pours it.

[0010]   1 to 3, reference numeral 1 represents a mold, and the mold 1 is divided in a vertical direction in the embodiment. Surface (mold matching surface) 2-1 and 3-1 and two molds having almost the same outer shape and size. It is composed of bodies 2 and 3.   Product cavities 2-2 and 3-2 are formed in each mold unit 2 and 3, and the mold matching surface is formed. A runner 4 for guiding the molten metal to these cavities 2-2 and 3-2 is formed in 2-1 and 3-1. Thus, the runner 4 is opened on the upper surface 1-1 of the mold 1 which is mold-matched and integrated.

[0011]   A die 1 is formed by aligning and joining the die bodies 2 and 3, and the upper surface 1-1 of the die 1 is formed. Then, the receiving device 5 for the molten metal according to the present invention is set.   The device 5 includes a spool cup 6 for pouring molten metal, and upper surfaces 2 of the mold units 2 and 3. 3, 3-3 and the receiving tool 12 set individually.

[0012]   As shown in FIGS. 1, 2 and 3, the spool cup 6 has a body 7 in a plan view. It is equipped with a pouring spout 8 in the center. The main body 7 has a side view as shown in FIGS. 1 and 3. It has a T-shape, has legs 7-1 in the middle, and flanges 7-2, 7 on the left and right of the upper part. -It is equipped with 2.   The upper surface of the main body 7 has a mountain-shaped central portion that faces above the mold dividing surface including the pouring port 8. Part 7-3, and the left and right surfaces of the top part include the flange parts 7-2 and 7-2 to the outside. It is formed so as to incline downward toward the I am configuring.

[0013]   At the center in the width direction of each inclined flange surface 9 on both sides, a concave groove shape opened upward The molten metal outflow passages 10, 10 are formed, and each of the outflow passages 10 is connected to both outer end portions 7- of the main body 7. The downstream portion is open to 2, 7-2 and the upstream portion communicates with the pouring port 8.   Further, L-shaped raised walls 11, 11 are provided at both ends of the main body 7 in the width direction. 1 protrudes a predetermined height from the flange surface 9 and is inclined outward similarly to the flange surface 9. ing.

[0014]   The spool cup 6 described above is the upper end of the runner 4 formed on the divided surface of the mold halves 2 and 3. The leg part 7-1 is fitted and set on the sprue part of the, and the pouring port 8 is set on the spout part facing the mold dividing surface. Fit and set.

[0015]   On the other hand, on the top surfaces 2-3 and 3-3 of the mold bodies 2 and 3, the receiving tools 12 and 12 for the molten metal flow out. Place and set.   Each receiving member 12 has a rectangular plate shape in a plan view, and has a peripheral frame portion 12-1 and a bottom portion 12. -2, and a raised step 12-3 is formed at the center in the length direction of the bottom. It   The receiving tool 12 is set on the mold 1 while being placed on the upper surfaces 2-3 and 3-3. Lower than the flange portion 7-2 of the spool cup 6 in the pulled state, Retain the receivers 12 and 12 on the upper surfaces 2-3 and 3-3 of each mold, for example, on both sides of the frame 12-1. The ends are fixed with bolts 13 and 13, and the flange portions 7-2 and 7- of the spool cup 6 are At least the tip of 2 faces the middle part on the receiving tool 12, 12, and each outflow path 10, 1 0 is set so as to face the stepped portion 12-3.

[0016]   In the above, the molten metal 55 stored in the pouring pan 54 as shown in FIG. The molten metal is poured into the product cavity of the mold 1 via 6.   The molten metal 55 is poured into the pouring port 8 of the spool cup 6, but when pouring the molten metal It may be scattered. In this case, the hot water spatters around the pouring port 8, but Around the circumference of 8, a flange portion 7-2 is formed so as to surround it, and the area of this is sufficient. It's so big that it will fall on top of it. Therefore, the upper surface of the mold 1 It is possible to prevent the falling of hot water balls.

[0017]   The molten metal dropped on the flange part 7-2 is the flange surface on the upper surface of the flange part 7-2. 9 and 9 are angled outwards and are guided outward along the inclined surface. It is dropped and accommodated in the receivers 12, 12 arranged in. Therefore, the area around the pouring spout 8 It is possible to prevent the molten metal from remaining on the flange surfaces 9, 9.   Further, since the raised walls 11 are provided on the left and right of the inclined flange surface 9, the flange surface is Rolling 9 or the flowing hot water should be scattered or flowed out to the left and right. There is no.

[0018]   On the other hand, when the molten metal is about to overflow into the pouring port 8 First, before the overflow, the molten metal is collected in the upstream portion of the outflow passage 10 of the pouring port 8. Flow through the flow passage 10 and flow out from the end of the flange portion 7-2 to both outsides. Since the receiving tool 12 is disposed below, the fluid flows into the receiving tool 12.

[0019]   The receiving members 12, 12 are dish-shaped as described above, and are configured to flow out the molten metal in the flow passage 10. A step portion 12-3 is provided in the central portion facing the end of the flow portion, so that the outflow of molten metal is first formed in the step portion 1. It falls on 2-3 and flows out to the left and right due to its low left and right, and the molten metal is directly under the outflow part. It does not collect in the central part of the receiver 12 and is distributed and stored over the entire area of the receiver 12. Will be done.   Therefore, when the outflowing molten metal is received by the receiver 12, the molten metal locally accumulates in the receiver 12. Melt that can be prevented from loosening or pooling in a mountain shape and is stored in the receiving tool 12 The amount can be increased and the usage time of the receiving tool 12 can be maintained for a long time.

[0020]   On the other hand, if the amount of molten metal flowing out is larger than the capacity of the flow passage 10, It overflows and flows out to the inclined flange surface 9, which is an inclined surface. , Is guided by the inclined flange surface 9 and quickly flows to the outside, and then from the tip end onto the receiving tool 12. It is dripped into and accommodated in this.   Even if such molten metal flows out, the left and right raising walls 11 of the flange surface 9 are used to move the left and right outwards. The molten metal is prevented from flowing out, and the molten metal is prevented from flowing out and dropping onto the upper surface of the mold.

[0021]   After casting, remove the spool cup 6 and then the bolt 13 to remove the receiving member 12 , 12 are removed from the upper surfaces 2-3, 3-3 of the mold units 2, 3 and the mold units 2, 3 are opened. And take out the casting.   On the other hand, the molten metal or molten metal in the spool cup 6 and the molten metal or molten metal in the receiver 12 are removed after solidification. Start

[0022]

[Effect of device]

  As apparent from the above, according to the present invention,   For molds that use a spool cup to pour water, do The molten metal that has flowed out drops onto the inclined flange surface of the spool cup, or Flow through the casting surface and are housed in a receiver placed outside, so the upper surface of the mold is It is possible to prevent the molten metal from being damaged.   In particular, the present invention has a flange surface around the pouring port of the spool cup that forms an inclined surface, Since the rising wall is provided on the right side, hot water balls and molten metal flowing out are guided by the inclined surface and received. The molten metal flows out quickly into the armor, and the molten metal is blocked by the rising wall from flowing out to the left and right. It is possible to surely inflow and drip into the tool, and the molten metal drops on the upper surface of the mold, and the outflow of molten metal flows out and flows out. Surely prevent smashing, protect the mold by completely preventing the inflow of molten metal into the mold dividing surface can do.

[0023]   Also, the present invention is directed to a spool cup having a slanted flange surface, below which a mold is Since it is composed of the receiving member arranged on the upper surface, the number of component parts is minimal and each It is easy to attach and detach, and it is possible to implement measures to prevent molten metal outflow and molten metal with excellent workability.

[0024]   Furthermore, since the spool cup and surrounding receiver are made of metal, conventional alumina brass Unlike heat-resistant materials such as guts, there is no generation of steam when pouring, and gas defects inside the product It is possible to produce castings of good quality and stable quality without There are great advantages such as

[Brief description of drawings]

FIG. 1 is an explanatory perspective view showing a state where a receiving device according to the present invention is set in a mold and pouring is performed.

FIG. 2 is a front view of a mold with the receiving device set therein.

FIG. 3 is a side view of a mold in which the receiving device is set.

FIG. 4 is an explanatory perspective view for pointing out a problem at the time of conventional mold pouring.

[FIG. 5] Explanatory drawing of setting a heat-resistant material around the spool cup and pouring the molten metal by the conventional improved technology

[Explanation of symbols]

1 ... Mold, 1-1 Mold upper surface, 2 ... Mold alone, 2-
1, 3-1 ... Dividing surface, 2-2, 3-2 ... Cavity,
4 ... runner, 5 ... receiving device for molten metal outflow, 6 ... spool cup, 7 ... body of spool cup, 7-2 ... flange part, 8 ... pouring port, 9 ... inclined surface, 10 ... outflow passage, 11 ... start Wall, 12 ... Receptacle.

Claims (2)

[Scope of utility model registration request] 1. In casting in which a spool cup is fitted into a gate of a die and the molten metal is poured into the cavity of the die via the spool cup, the spool cup has a rectangular shape in plan view. It is configured to have a pouring port in the central part, the peripheral part of the pouring port is a flange part, and the upper surface of the main body is a sloped surface with the mold dividing surface facing the pouring port as the apex with both outer sides lowered, and , Raising walls are provided at opposite ends of the inclined surface, and further, in the central portion of the inclined surface,
An outflow molten metal receiving device, which is provided with an outflow passage for the molten metal which is open to the outside of the inclined surface and communicates with the pouring port. 2. An outflow molten metal receiving device, characterized in that a metal outflow molten metal receiver is disposed below an outlet of a downstream portion of an outflow passage of the spool cup.