CN215746356U

CN215746356U - Multi-material-chamber casting equipment

Info

Publication number: CN215746356U
Application number: CN202121997346.5U
Authority: CN
Inventors: 李树青; 李品谚; 滕献忠
Original assignee: Huizhou Mingbo Liquid Die Forging Co ltd
Current assignee: Huizhou Mingbo Liquid Die Forging Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-02-08
Anticipated expiration: 2031-08-24

Abstract

The utility model relates to a multi-chamber casting device, comprising a bearing plate; the filling assembly comprises a crucible, a first riser tube and at least one second riser tube; the crucible is arranged at the bottom of the bearing plate, molten metal is contained in the crucible, and the top of the crucible is provided with an air inlet pipe; one end of the first lift pipe is arranged on the bearing plate, and the other end of the first lift pipe extends into the molten metal; one end of the second lift pipe is arranged on the bearing plate, and the other end of the second lift pipe extends into the molten metal; the filling mold is arranged on the bearing plate; the mold filling mould is internally provided with a mold cavity, the mold cavity comprises a first mold filling position and at least one second mold filling position, the first mold filling position is communicated with the first lift pipe, and the second mold filling position is communicated with the second lift pipe; through at least one second lift tube, form a plurality of independent lift tubes with first lift tube, carry out many places to fill the mould to the great casting product of size, shorten the flowing distance of molten metal in the die cavity, avoided the casting product to appear cold shut, water the not enough problem.

Description

Multi-material-chamber casting equipment

Technical Field

The utility model relates to the technical field of casting equipment, in particular to multi-material-chamber casting equipment.

Background

The equipment such as a die casting machine, an extrusion casting machine, a low-pressure casting machine and the like is a series of industrial casting machines which are used for cooling and molding molten metal into a die by hydraulic pressure under the action of pressure and obtaining a solid metal casting after the die is opened.

For a low-pressure casting machine, low-pressure casting is a method for filling a cavity with liquid metal under the action of pressure to form a casting, and the process of the low-pressure casting comprises the following steps of introducing dry compressed air into a closed heat preservation furnace, leading molten metal in the heat preservation furnace to rise along a riser pipe under the action of gas pressure, leading the molten metal to enter the cavity through a pouring gate, keeping the pressure of the gas in the heat preservation furnace until the molten metal in the cavity is completely solidified to form the casting, then relieving the pressure in the heat preservation furnace, leading the unsolidified molten metal in the riser pipe to flow back to the heat preservation furnace, relieving the pressure of a top pressing device of a casting mold, and taking out the casting.

In the use process, generally, the mode of single material pipe injection is adopted, namely, a riser pipe is adopted, for casting large parts, when a plurality of parts need feeding, only the pressurizing effect near a pouring gate at the riser pipe is the best, but only one riser pipe is arranged at the current time, the pressurizing effect on the periphery of the riser pipe is good, the feeding is needed at a place far away from the riser pipe is difficult, and when the casting is large in size and only one material pipe is arranged, the flowing distance of molten metal filling is long, the cold shut of the casting and insufficient pouring are easily caused, and the quality of the casting product is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides multi-material-chamber casting equipment, which ensures the product quality of a casting and avoids cold shut and insufficient pouring of the casting when large pieces are cast.

The utility model discloses a multi-material chamber casting device, which comprises

A carrier plate;

the filling assembly comprises a crucible, a first riser tube and at least one second riser tube; the crucible is arranged at the bottom of the bearing plate, molten metal is contained in the crucible, and the top of the crucible is provided with an air inlet pipe; one end of the first lift pipe is arranged on the bearing plate, and the other end of the first lift pipe extends into the molten metal; one end of the second lift pipe is arranged on the bearing plate, and the other end of the second lift pipe extends into the molten metal; and

the filling mold is arranged on the bearing plate; the mold filling mold is internally provided with a mold cavity, the mold cavity comprises a first mold filling position and at least one second mold filling position, the first mold filling position is communicated with the first lift pipe, and the second mold filling position is communicated with the second lift pipe.

In one embodiment, the filling mold further comprises a pouring channel, and the pouring channel is arranged at the bottom of the filling mold; the first mold filling position is communicated with the first riser through a pouring gate, and the second mold filling position is communicated with the second riser through a pouring gate.

In one embodiment, the first riser tube is located in the middle of the crucible and the at least one second riser tube is located at a location where the casting requires pressurization or mold filling.

In one embodiment, the first lift tube is disposed parallel to the second lift tube.

In one embodiment, the multi-cell casting apparatus further comprises a support base mounted on the carrier plate.

The utility model has the beneficial effects that: through setting up at least one second stalk, form a plurality of independent stalks with first stalk, can carry out many places to the great foundry goods product of size and fill the type, shorten the flowing distance of metal liquid in the die cavity, reduce the time of metal liquid stalk, avoided the foundry goods product to appear cold shut, water the not enough problem, effectively guarantee the quality of foundry goods product. Meanwhile, the second liquid lifting pipe is arranged at the position of the casting easy to shrink, so that pressurization and feeding are facilitated, and the defects of shrinkage cavity and shrinkage porosity are reduced.

Drawings

Fig. 1 is a schematic structural view of a multi-chamber casting apparatus in this embodiment.

As shown in the attached drawings: 1, carrying a plate; 2, a mold filling component; 21, a crucible; 211, molten metal; 22. a first lift tube; 23, a second lift tube; 3, filling a mold; 31, a die cavity; 311, a first fill level; 312, a second fill level; 32, a pouring channel; and 4, supporting the base.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

For a further understanding of the contents, features and effects of the present invention, the following examples are illustrated in the accompanying drawings and described in the following detailed description:

the multi-material chamber structure is suitable for a multi-material chamber low-pressure casting machine, and is also suitable for a die casting machine and an extrusion casting machine.

Referring to fig. 1, the multi-chamber casting apparatus of the present embodiment includes a carrying plate 1, a mold filling assembly 2, and a mold filling mold 3. The mold filling assembly 2 comprises a crucible 21, a first riser tube 22 and at least one second riser tube 23, the crucible 21 is arranged at the bottom of the bearing plate 1, molten metal 211 is arranged in the crucible 21, and an air inlet tube (not shown) is arranged at the top of the crucible 21; one end of the first lift pipe 22 is installed on the bearing plate 1, and the other end of the first lift pipe 22 extends into the molten metal 211; one end of the second lift pipe 23 is installed on the carrier plate 1, and the other end of the second lift pipe 23 extends into the molten metal 211. The filling mold 3 is installed on the bearing plate 1, a cavity 31 is formed inside the filling mold 3, the cavity 31 includes a first filling position 311 and at least one second filling position 312, the first filling position 311 is communicated with the first lift pipe 22, and the second filling position 312 is communicated with the second lift pipe 23.

In this embodiment, the crucible 21 is fixedly installed at the bottom of the loading plate 1, the molten metal 211 for casting is contained in the crucible 21, and the molten metal 211 can be molten aluminum, molten iron, molten copper, and other alloy molten metals 211 suitable for casting. The first lift tube 22 and the second lift tube 23 are fixedly installed on the carrier plate 1, and the first lift tube 22 and the second lift tube 23 respectively extend into the molten metal 211 in the crucible 21. Further, the first lift tube 22 and the second lift tube 23 are both hollow and cylindrical structures, and serve as a fluid passage for the molten metal 211. Further, the first filling position 311 is communicated with the first lift pipe 22, the second filling position 312 is communicated with the second lift pipe 23, and the first filling position 311 and the second filling position 312 are stations for filling the molten metal 211. In practical application, gas is introduced into the gas inlet pipe located at the upper part of the crucible 21, and then the molten metal 211 rises to the cavity 31 through the first lift pipe 22 and the second lift pipe 23, and finally the product filling process in the first filling position 311 and the second filling position 312 is completed.

According to the utility model, the at least one second lift pipe 23 is arranged to form a plurality of independent lift pipes with the first lift pipe 22, so that multiple mold filling can be performed on casting products with larger sizes, the flowing distance of the molten metal 211 in the cavity 31 is shortened, the liquid lifting time of the molten metal 211 is shortened, the casting device is especially suitable for processing light and thin casting products, the problems of cold shut and insufficient pouring of the casting products can be avoided, and the quality of the casting products is effectively ensured. Meanwhile, the second liquid lifting pipe 23 is arranged at the position of the casting easy to shrink, so that pressurization and feeding are facilitated, and the defects of shrinkage cavity and shrinkage porosity are reduced.

In order to increase the flow rate of the molten metal 211, the filling mold 3 further includes a runner 32. The pouring channel 32 is arranged at the bottom of the mold-filling mold 3, the first mold-filling position 311 is communicated with the first riser 22 through the pouring channel 32, and the second mold-filling position 312 is communicated with the second riser 23 through the pouring channel 32. The pouring gate 32 is a truncated cone with a large top and a small bottom in the filling mold 3, that is, the width of the cross section of the pouring gate 32 is gradually wider in the direction from the liquid inlet to the liquid outlet. The liquid metal 211 gradually widens in the liquid outlet direction through the runner 32, so that the flow rate of the liquid metal 211 is increased.

It should be noted that, in the present embodiment, the number of the second filling locations 312 and the number of the second lift tubes 23 are not limited, and can be set according to specific situations.

Finally, the multi-chamber casting apparatus further comprises a support base 4, and the support base 4 is installed on the bearing plate 1. Specifically, supporting seat 4 is platelike structure, and supporting seat 4 fixed mounting is at the both ends of bearing the seat, and crucible 21 sets up in the middle part position of bearing the seat, and the preferred, crucible 21 fixed mounting is in the middle part of loading board 1, so, the bearing the seat atress that is located loading board 1 both ends is balanced, improves the stability of supporting.

The working principle of the utility model is as follows: introducing dry compressed air into the crucible 21 from an air inlet pipe, enabling the molten metal 211 to ascend through the first riser pipe 22 and at least one second riser pipe 23 and flow into the cavity 31 through the ascending runner 32, finally completing the mold filling of the casting product at the first mold filling position 311 and the second mold filling position 312, then pressurizing, maintaining the pressure to solidify the casting under the pressure, and then releasing the pressure to enable the molten metal 211 of the first riser pipe 22 and the second riser pipe 23 to flow back to the crucible 21.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A multi-chamber casting apparatus, comprising:

a carrier plate;

a mold filling assembly comprising a crucible, a first lift tube, and at least one second lift tube; the crucible is arranged at the bottom of the bearing plate, molten metal is arranged in the crucible, and an air inlet pipe is arranged at the top of the crucible; one end of the first lift pipe is arranged on the bearing plate, and the other end of the first lift pipe extends into the molten metal; one end of the second lift pipe is arranged on the bearing plate, and the other end of the second lift pipe extends into the molten metal; and

2. The multi-chamber casting apparatus of claim 1, wherein the mold-filling mold further comprises a runner disposed at a bottom of the mold-filling mold; the first mold filling position is communicated with the first riser through the pouring gate, and the second mold filling position is communicated with the second riser through the pouring gate.

3. The multi-chamber casting apparatus of claim 1, wherein the first riser is located in a central portion of the crucible and at least one second riser is located at a location in the casting where pressurization or mold filling is desired.

4. The multi-chamber casting apparatus of claim 1, wherein the first lift tube is disposed in parallel with the second lift tube.

5. The multi-cell casting apparatus of claim 1, further comprising a support base mounted on the carrier plate.