CN212398064U - Horizontal vacuum die casting machine capable of reducing number of internal air holes of casting - Google Patents
Horizontal vacuum die casting machine capable of reducing number of internal air holes of casting Download PDFInfo
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- CN212398064U CN212398064U CN202020881368.4U CN202020881368U CN212398064U CN 212398064 U CN212398064 U CN 212398064U CN 202020881368 U CN202020881368 U CN 202020881368U CN 212398064 U CN212398064 U CN 212398064U
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Abstract
The utility model provides a horizontal vacuum die casting machine of inside gas pocket quantity of reducible foundry goods, includes the die-casting mechanism that provides liquid metal for the die-casting mould, is used for the die-casting mould of shaping die-casting product and is used for the vacuums of the die cavity evacuation for the die-casting mould, the die-casting mould comprises movable mould and cover half, the movable mould includes movable mould frame and movable mould benevolence, movable mould benevolence is established on the movable mould frame, the cover half includes cover half frame and cover half benevolence, cover half benevolence is established on the cover half frame one side at cover half benevolence place of cover half centers on cover half benevolence is equipped with the seal ring groove seal ring inslot be equipped with high temperature resistant rubber seal circle, high temperature resistant rubber seal circle protrusion in the cover half frame works as when movable mould and compound die cover half, the movable mould frame of movable mould will high temperature resistant rubber seal circle ground is pressed in the seal. The utility model has the advantages of the inside gas pocket of foundry goods can be reduced in step.
Description
Technical Field
The utility model relates to a vacuum die casting machine, especially a horizontal vacuum die casting machine of inside gas pocket quantity of reducible foundry goods.
Background
With the development of the die casting industry, the vacuum die casting technology develops along with the development of the die casting industry and receives more and more attention from the interior of the industry due to various defects and other related problems generated when castings are formed.
Chinese patent document CN102773448A discloses a vacuum die casting machine, which integrates an external vacuum system for cavity evacuation, a hydraulic system for driving a cavity vacuum channel stop mechanism to open or stop a mold cavity evacuation channel, and a die casting machine integrated control system having the functions of controlling the above two systems, so that the die casting machine can perform intelligent integrated control on the whole process of vacuum die casting through the integrated control system according to the requirements of vacuum die casting process. When vacuum die casting is carried out, after a pouring and punch head moves forward to close a pressure chamber gate, the integrated control system accurately and orderly drives the cavity vacuum channel stop mechanism to quickly open a mold cavity vacuumizing channel and vacuumize the cavity; and before the mold filling melt flow abuts against an inlet of a vacuumizing channel arranged at the tail end of the mold cavity, a cavity vacuum channel stop mechanism is driven to quickly cut off the mold cavity vacuumizing channel, so that vacuum die-casting production is reliably realized. However, the vacuum degree of the vacuum die casting machine is low, and can only reach about 10000Pa, so that the effect of reducing the internal pores of the casting is not ideal.
Disclosure of Invention
In order to overcome the above problems, the utility model provides a horizontal vacuum die casting machine of reducible inside gas pocket quantity of foundry goods of inside gas pocket effect of reduction foundry goods can advance.
The technical scheme of the utility model is that: the utility model provides a horizontal vacuum die casting machine of inside gas pocket quantity of reducible foundry goods, includes the die-casting mechanism that provides liquid metal for the die-casting mould, is used for the die-casting mould of shaping die-casting product and is used for the vacuums of the die cavity evacuation for the die-casting mould, the die-casting mould comprises movable mould and cover half, the movable mould includes movable mould frame and movable mould benevolence, movable mould benevolence is established on the movable mould frame, the cover half includes cover half frame and cover half benevolence, cover half benevolence is established on the fixed mould frame one side at the cover half benevolence place of fixed mould frame centers on the cover half benevolence is equipped with the seal ring groove be equipped with high temperature resistant rubber seal circle in the seal ring inslot, high temperature resistant rubber seal circle protrusion in the fixed mould frame, work as during movable mould and cover half compound die, the movable mould frame of movable mould will high temperature resistant rubber seal circle tightly.
As right the utility model discloses an it is right the improvement, the utility model discloses still include the movable mould mounting panel, the movable mould frame is established on the movable mould mounting panel be equipped with thimble mechanism on the movable mould mounting panel.
As right the utility model discloses an improvement, the vacuum ware loops through vacuum trachea, gas pocket and discharge valve and die mould's die cavity and communicates with each other.
As an improvement of the utility model, the vacuum air pipe is close to the pipeline at one end of the vacuum device, and a residue deposition tank is arranged in the pipeline.
As an improvement to the present invention, the vacuum is a roots vacuum pump or a rotary-vane vacuum pump.
As right the utility model discloses an it is right to improve, it includes presses room, pressure injection pole, drift to press the mechanism of penetrating, the drift is established the inner of pressure injection pole, under the effect of pressure source, the drift passes through the runner with liquid metal and pours into the die mould's die cavity into be equipped with the blanking mouth on the pressure room.
As an improvement of the utility model, a slag ladle is arranged between the exhaust valve and the cavity.
The utility model discloses owing to adopted the cover half benevolence of cover half frame is located one side, centers on cover half benevolence is equipped with the seal ring groove the seal ring inslot is equipped with high temperature resistant rubber seal, high temperature resistant rubber seal protrusion in the cover half frame works as during movable mould and cover half compound die, the movable mould frame of movable mould will high temperature resistant rubber seal tightly presses the structure of seal ring inslot under the effect of plus high temperature resistant rubber seal, makes the utility model discloses a movable mould benevolence and the die cavity that cover half benevolence constitutes have better leakproofness, like this for the vacuum of die cavity can reach lower level, can further reduce the inside gas pocket quantity of foundry goods, makes the foundry goods more closely knit.
Drawings
Fig. 1 is a schematic plan view of an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of the fixed mold of the embodiment shown in FIG. 1.
FIG. 3 is a schematic structural diagram of a movable mold according to the embodiment shown in FIG. 1.
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or assembly referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
Referring to fig. 1 to 3, what is disclosed in fig. 1 to 3 is a horizontal vacuum die casting machine capable of reducing the number of air holes inside a casting, which includes an injection mechanism 1 for supplying liquid metal to a die casting mold 2, the die casting mold 2 for molding a die casting product, and a vacuum device 3 for evacuating a cavity of the die casting mold 2, wherein the die casting mold 2 is composed of a movable mold 21 and a fixed mold 22, the movable mold 21 includes a movable mold frame 211 and a movable mold core 212, the movable mold core 212 is disposed on the movable mold frame 211, the fixed mold 22 includes a fixed mold frame 221 and a fixed mold core 222, the fixed mold core 222 is disposed on the fixed mold frame 221, a seal ring groove is disposed around the fixed mold core at one side of the fixed mold core of the fixed mold frame 221, a high temperature resistant rubber seal ring 2211 is disposed in the seal ring groove, the high temperature resistant rubber seal ring 2211 protrudes out of the fixed mold frame 221, and when the movable mold 21 and the fixed mold 22 are closed, the movable mold frame 211 of the movable mold 21 tightly presses the high-temperature resistant rubber seal 2211 in the seal groove.
The cast product obtained by die casting of the utility model has the advantage of greatly reduced porosity; the die-cast casting has high hardness and fine microstructure; the metal die casting has high mechanical property.
Preferably, the utility model discloses still include movable mould mounting panel 213, movable mould frame 211 is established on the movable mould mounting panel 213 be equipped with thimble mechanism 214 on the movable mould mounting panel 213.
Preferably, the vacuum device 3 is communicated with the cavity 23 of the die casting mold 2 through a vacuum air pipe 31, an air hole 32 and an exhaust valve 33 in sequence.
Preferably, a residue deposition tank 34 is provided in a pipe of the vacuum pipe 31 at an end thereof adjacent to the vacuum vessel 3.
Preferably, the vacuum 3 is a roots vacuum pump or a rotary-vane vacuum pump.
Preferably, the injection mechanism 1 comprises a pressure chamber 11, an injection rod 12 and a punch 13, the punch 13 is arranged at the inner end of the injection rod 12, the punch 13 injects liquid metal 14 into a cavity 23 of the die-casting die 2 through a runner 15 under the action of a pressure source, and a material reversing port 111 is arranged on the pressure chamber 11.
Preferably, a slag ladle 24 is arranged between the exhaust valve 33 and the cavity 23.
The utility model discloses a set up round high temperature rubber circle on mould framed limit and seal whole die cavity, when the drift passes through the room of pressing down material, open vacuum pump pipeline valve door, extract the air in the mould immediately this moment. The vacuum pump firstly pumps the air in the cavity of the die to reduce the pressure to negative atmospheric pressure, the vacuum device is connected with the vacuum die exhaust interface by a vacuum hose and a vacuum device, when the pressure punch head crosses a pouring port of a pressure chamber (material pipe) for a certain distance, the vacuum device is opened, and a pipeline valve is opened to pump the air in the die under the negative pressure state stored by the vacuum device; closing the pipeline vacuum after the punch is pressurized; and (3) opening the die, ejecting the die casting by the ejector pin, reversely inputting compressed air from the vacuum tube for back blowing, blowing out the metal chips in the vacuum tube and the vacuum device, and keeping the pipeline clean. The full-automatic control system can monitor and display the vacuum degree in the die-casting model cavity, and has good system reliability and small maintenance amount. The mutual relation between the signal acquisition and the die casting machine is completed by a PLC program controller.
It should be noted that the detailed explanation of the above embodiments is only for the purpose of explaining the present invention so as to better explain the present invention, but these descriptions should not be construed as limiting the present invention for any reason, and in particular, the features described in the different embodiments may be arbitrarily combined with each other to constitute other embodiments, and these features should be understood as being applicable to any one embodiment and not limited to only the described embodiments except for the explicit contrary description.
Claims (7)
1. The utility model provides a horizontal vacuum die casting machine of reducible inside gas pocket quantity of foundry goods, includes for die casting die (2) provide liquid metal press-moulding mechanism (1), be used for forming die casting die (2) of die casting product and be used for vacuum ware (3) for the die cavity evacuation of die casting die (2), its characterized in that: the die-casting die (2) comprises a moving die (21) and a fixed die (22), the moving die (21) comprises a moving die frame (211) and a moving die core (212), the moving die core (212) is arranged on the moving die frame (211), the fixed die (22) comprises a fixed die frame (221) and a fixed die core (222), the fixed die core (222) is arranged on the fixed die frame (221), one side of the fixed die core of the fixed die frame (221) is arranged around the fixed die core, a sealing ring groove is formed in the sealing ring groove, a high-temperature-resistant rubber sealing ring (2211) is arranged in the sealing ring groove, the high-temperature-resistant rubber sealing ring (2211) protrudes out of the fixed die frame (221), and when the moving die (21) and the fixed die (22) are closed, the moving die frame (211) of the moving die (21) tightly presses the high-temperature-resistant rubber sealing ring (2211) in the sealing ring groove.
2. The horizontal vacuum die casting machine capable of reducing the number of the air holes in the casting according to claim 1, wherein: still include movable mould mounting panel (213), establish movable mould frame (211) on movable mould mounting panel (213) be equipped with thimble mechanism (214) on movable mould mounting panel (213).
3. The horizontal vacuum die casting machine capable of reducing the number of the air holes in the casting according to claim 1 or 2, wherein: the vacuum device (3) is communicated with the cavity (23) of the die-casting die (2) sequentially through a vacuum air pipe (31), an air hole (32) and an exhaust valve (33).
4. The horizontal vacuum die casting machine capable of reducing the number of air holes in the casting according to claim 3, wherein: a residue deposition tank (34) is arranged in a pipeline at one end of the vacuum air pipe (31) close to the vacuum device (3).
5. The horizontal vacuum die casting machine capable of reducing the number of the air holes in the casting according to claim 1 or 2, wherein: the vacuum device (3) is a roots vacuum pump or a rotary vane vacuum pump.
6. The horizontal vacuum die casting machine capable of reducing the number of the air holes in the casting according to claim 1 or 2, wherein: the injection mechanism (1) comprises a pressure chamber (11), an injection rod (12) and a punch (13), the punch (13) is arranged at the inner end of the injection rod (12), under the action of a pressure source, the punch (13) injects liquid metal (14) into a cavity (23) of the die-casting die (2) through a runner (15), and a material pouring port (111) is arranged on the pressure chamber (11).
7. The horizontal vacuum die casting machine capable of reducing the number of air holes in the casting according to claim 3, wherein: a slag ladle (24) is arranged between the exhaust valve (33) and the cavity (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020881368.4U CN212398064U (en) | 2020-05-24 | 2020-05-24 | Horizontal vacuum die casting machine capable of reducing number of internal air holes of casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020881368.4U CN212398064U (en) | 2020-05-24 | 2020-05-24 | Horizontal vacuum die casting machine capable of reducing number of internal air holes of casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212398064U true CN212398064U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020881368.4U Active CN212398064U (en) | 2020-05-24 | 2020-05-24 | Horizontal vacuum die casting machine capable of reducing number of internal air holes of casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212398064U (en) |
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2020
- 2020-05-24 CN CN202020881368.4U patent/CN212398064U/en active Active
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