CN110125366B - Automatic low pressure casting equipment that moulds that fills of light alloy - Google Patents
Automatic low pressure casting equipment that moulds that fills of light alloy Download PDFInfo
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- CN110125366B CN110125366B CN201910459813.XA CN201910459813A CN110125366B CN 110125366 B CN110125366 B CN 110125366B CN 201910459813 A CN201910459813 A CN 201910459813A CN 110125366 B CN110125366 B CN 110125366B
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- pressure casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
Abstract
The invention discloses light alloy automatic mold-filling low-pressure casting equipment, which comprises an installation shell assembly with an installation space, a smelting and die-casting assembly arranged in the installation space, an air inlet and outlet assembly communicated with the smelting and die-casting assembly, and an electric control assembly for control, wherein the electric control assembly is arranged in the installation space; the installation shell assembly comprises an installation frame, a safety protection cover shell connected with the installation frame in a sliding fit mode through a sliding guide rail, and a folding door arranged on the installation frame and located on one side of the safety protection cover shell, wherein the smelting die-casting assembly comprises a low-pressure casting hearth, a smelting crucible fixed in the low-pressure casting hearth, a power supply wire and a thermocouple wire for heating the smelting crucible and detecting the temperature, and a low-pressure casting mold, and the air inlet and outlet assembly comprises an air inlet and an air inlet pipeline, an electric air inlet valve, an electric air outlet valve and an air outlet pipeline which are mutually communicated.
Description
Technical Field
The invention belongs to the technical field of metal casting equipment, and particularly relates to light alloy automatic mold-filling low-pressure casting equipment.
Background
The aluminum/magnesium alloy die casting has the characteristics of light weight, high strength and the like, so that the aluminum/magnesium alloy die casting is widely applied to the fields of automobiles, electronics, aerospace and the like. In recent years, with the deep development of the industries, the quality requirement of the aluminum magnesium alloy die casting is higher and higher, so that the demand of light alloy die casting equipment is stimulated to flourish and update.
Further, the light alloy die casting process is mainly divided into high pressure casting and low pressure casting, and compared with the high pressure casting, the low pressure casting takes a long time for forming, but the casting quality and the material utilization rate are very high, so that the light alloy die casting process has a leading position in the industrial field. However, because China has no professional low-pressure casting equipment design and manufacturer and has less accumulated experience in the field, the low-pressure casting equipment in China has larger differences in the aspects of operation convenience, process stability and safety protection compared with the similar equipment in China.
The inventor of the application decides to seek a technical scheme to improve the current state of domestic equipment based on years of research experience in the technical field of metal casting equipment and accumulated theoretical knowledge combined with experimental data.
Disclosure of Invention
In view of the above, the present invention aims to provide a light alloy automatic mold-filling low-pressure casting device, which has good performance in terms of operation convenience, process stability and safety protection, and is compact in installation structure, reasonable in layout, and convenient for practical installation and use.
The technical scheme adopted by the invention is as follows:
the light alloy automatic mold-filling low-pressure casting equipment comprises an installation shell assembly with an installation space, a smelting and die-casting assembly installed in the installation space, an air inlet and outlet assembly communicated with the smelting and die-casting assembly, and an electric control assembly for control; wherein the content of the first and second substances,
the mounting shell assembly comprises a mounting frame, a safety protection cover shell connected with the mounting frame in a sliding fit mode through a sliding guide rail, and a folding door arranged on the mounting frame and located on one side of the safety protection cover shell, wherein a limit switch electrically connected with the electric control assembly is arranged on the mounting frame, and the limit switch can simultaneously realize position limitation and opening and closing state feedback on the safety protection cover shell;
the smelting and die-casting assembly comprises a low-pressure casting hearth, a smelting crucible fixed in the low-pressure casting hearth, a power supply wire and a thermocouple wire for heating the smelting crucible and detecting temperature, and a low-pressure casting mold, wherein a lower-pressure hearth cover is correspondingly arranged at an upper end opening of the low-pressure casting hearth, the low-pressure hearth cover is switched between an opening state and a closing state through a cover lifting cylinder and a hearth closing cylinder respectively, the cover lifting cylinder and the hearth closing cylinder are electrically connected with the electric control assembly and used for feeding back the opening state and the closing state of the low-pressure hearth cover to the electric control assembly, and the low-pressure casting mold is fixed on the low-pressure hearth cover through a fixing bolt and can be contacted with a melt in the smelting crucible through a liquid lifting pipe;
the air inlet and air outlet assembly comprises an air inlet and an air inlet pipeline which are communicated with each other, an electric air inlet valve, an electric air outlet valve and an air outlet pipeline, wherein the electric air inlet valve and the electric air outlet valve are all communicated with the low-pressure casting hearth, the air outlet pipeline is communicated with the low-pressure casting hearth, the end part of the electric air inlet valve and the end part of the electric air outlet valve are respectively provided with a manual air outlet valve and a pressure monitoring meter, and meanwhile the electric air inlet valve, the electric air outlet valve and the pressure monitoring meter are equally distributed with the electric.
Preferably, the mounting frame is generally cubic in shape.
Preferably, the low-pressure casting hearth is in a cylindrical shape, and a curled carbon steel plate is adopted to weld and fix a forming structure.
Preferably, a lock catch structure for realizing locking connection is arranged between the safety protection cover casing and the folding door.
Preferably, a gas dryer is arranged in the duct section of the gas inlet duct close to the gas inlet for preventing moist gas from entering the low pressure casting hearth.
Preferably, the light alloy automatic mold-filling low-pressure casting equipment is further provided with a touch display screen electrically connected with the electric control assembly, and the touch display screen is installed on the safety protection housing and used for manual operation and parameter display, so that the automation and visualization of the low-pressure casting process are greatly improved.
Preferably, a handle is arranged on the safety protection cover casing and used for sliding the safety protection cover casing on the sliding guide rail.
Through reasonable structural distribution design, on one hand, the feedback of the opening and closing state of the safety protection cover shell, the feedback of the opening and closing state of the furnace cover of the low-pressure furnace and the control of the air inlet and outlet assembly are respectively realized by arranging the electric control assembly with a multifunctional control effect, so that the pressure balance inside the low-pressure casting furnace is realized, and therefore, the invention has good performance in operation convenience, process stability and safety protection; meanwhile, the invention has compact installation structure and reasonable layout, and is convenient for actual installation and use; the invention also adopts a three-level structure protection device of the electric air inlet valve, the electric air release valve and the manual air release valve, and can further obviously improve the safety protection performance of the invention in the low-pressure casting process.
Drawings
FIG. 1 is a schematic structural view of a light alloy automatic mold-filling low-pressure casting apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view showing the internal structure of the light alloy automatic-charging low-pressure casting apparatus shown in FIG. 1.
Detailed Description
The embodiment of the invention discloses light alloy automatic mold-filling low-pressure casting equipment, which comprises an installation shell assembly with an installation space, a smelting and die-casting assembly arranged in the installation space, an air inlet and outlet assembly communicated with the smelting and die-casting assembly, and an electric control assembly for control; the mounting shell assembly comprises a mounting frame, a safety protection cover shell connected with the mounting frame in a sliding fit mode through a sliding guide rail, and a folding door arranged on the mounting frame and located on one side of the safety protection cover shell, wherein a limit switch electrically connected with the electric control assembly is arranged on the mounting frame, and the limit switch can simultaneously realize position limit and opening and closing state feedback on the safety protection cover shell; the smelting and die-casting assembly comprises a low-pressure casting hearth, a smelting crucible fixed in the low-pressure casting hearth, a power supply wire and a thermocouple wire for heating the smelting crucible and detecting temperature, and a low-pressure casting die, wherein an opening at the upper end of the low-pressure casting hearth is correspondingly provided with a low-pressure hearth cover, the low-pressure hearth cover is switched between an opening state and a closing state through a cover lifting cylinder and a hearth closing cylinder respectively, the cover lifting cylinder and the hearth closing cylinder are electrically connected with an electric control assembly and used for feeding back the opening state of the low-pressure hearth cover to the electric control assembly, and the low-pressure casting die is fixed on the low-pressure hearth cover through a fixing bolt and can be contacted with a melt in the smelting; the air inlet and outlet assembly comprises an air inlet and an air inlet pipeline which are communicated with each other, an electric air inlet valve, an electric air outlet valve and an air outlet pipeline, the electric air inlet valve and the electric air outlet valve are communicated with the low-pressure casting hearth through the air inlet pipeline respectively, the air outlet pipeline is communicated with the low-pressure casting hearth, the end parts of the air outlet pipeline are provided with a manual air outlet valve and a pressure monitoring meter respectively, and meanwhile, the electric air inlet valve, the electric air outlet valve and the pressure monitoring meter are equally divided into electric.
Through reasonable structural distribution design, on one hand, the embodiment of the invention respectively realizes the feedback of the opening and closing state of the safety protection cover shell, the feedback of the opening and closing state of the furnace cover of the low-pressure furnace and the control of the air inlet and outlet assembly by arranging the electric control assembly with a multifunctional control effect so as to realize the pressure balance inside the low-pressure casting furnace, so that the embodiment of the invention has good performance in operation convenience, process stability and safety protection; meanwhile, the embodiment of the invention has compact installation structure and reasonable layout, and is convenient for actual installation and use; the embodiment of the invention also adopts a three-level structure protection device of the electric air inlet valve, the electric air release valve and the manual air release valve, so that the safety protection performance of the embodiment of the invention in the low-pressure casting process can be further obviously improved.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, the light alloy automatic mold-filling low-pressure casting equipment comprises a mounting shell assembly with a mounting space, a smelting and die-casting assembly mounted in the mounting space, an air inlet and outlet assembly communicated with the smelting and die-casting assembly, and an electric control assembly 9 for control; wherein the content of the first and second substances,
the mounting shell component comprises a mounting frame 8, a safety protection cover shell 1 connected with the mounting frame 8 in a sliding fit mode through a sliding guide rail 24, and a folding door 7 which is mounted on the mounting frame 8 and located on one side of the safety protection cover shell 1, wherein a limit switch 6 electrically connected with an electric control component 9 is arranged on the mounting frame 8, and the limit switch 6 can simultaneously realize position limit and opening and closing state feedback on the safety protection cover shell 1; preferably, in the present embodiment, the safety shield case 1 is provided with a handle 5 for sliding the safety shield case 1 on the slide rail 24.
The smelting and die-casting assembly comprises a low-pressure casting hearth 10, a smelting crucible 22 fixed in the low-pressure casting hearth 10, a power supply wire and a thermocouple wire 15 for heating and temperature detection of the smelting crucible 22, and a low-pressure casting mold 11, wherein an upper end opening of the low-pressure casting hearth 10 is correspondingly provided with a low-pressure hearth cover 12, the low-pressure hearth cover 12 is switched between an open-close state through a cover lifting cylinder 13 and a hearth closing cylinder 23 respectively, the cover lifting cylinder 13 and the hearth closing cylinder 23 are electrically connected with the electronic control assembly 9 for feeding back the open-close state of the low-pressure hearth cover 12 to the electronic control assembly, and the low-pressure casting mold 11 is fixed on the low-pressure hearth cover 12 through a fixing bolt 14 and can be contacted with a melt in the smelting crucible 22 through a liquid lifting pipe (;
the air inlet and air outlet assembly comprises an air inlet 16, an air inlet pipeline 17, an electric air inlet valve 18, an electric air release valve 19 and an air outlet pipeline 25 which are communicated with each other, the electric air inlet valve 18 and the electric air release valve 19 are respectively communicated with the low-pressure casting hearth 10 through the air inlet pipeline 17, the air outlet pipeline 25 is communicated with the low-pressure casting hearth 10, the end parts of the air inlet valve 18 and the electric air release valve are respectively provided with a manual air release valve 20 and a pressure monitoring meter 21, and meanwhile, the electric air inlet valve 18, the electric air release valve 19 and the pressure monitoring.
Preferably, in the present embodiment, the mounting frame 8 is in the shape of a cube as a whole;
preferably, in the present embodiment, the low-pressure casting hearth 10 is in a cylindrical shape, and a formed structure is welded and fixed by using a curled carbon steel plate;
preferably, in the present embodiment, a locking structure 26 for realizing locking connection is provided between the safety shield case 1 and the folding door 7;
preferably, in the present embodiment, a gas dryer (not shown) is provided in the duct section of the gas inlet duct 17 close to the gas inlet 16 for preventing moist gas from entering the low-pressure casting hearth 10, and a specific gas dryer is directly available on the market, which is not specifically limited by the present invention;
preferably, in the embodiment, the light alloy automatic mold-filling low-pressure casting equipment is further provided with a touch display screen 4 electrically connected with the electric control assembly 9, and the touch display screen 4 is installed on the safety protection housing 1 and used for manual operation and parameter display, so that the automation and visualization of the low-pressure casting process are greatly improved; the safety protection cover shell 1 is further provided with a power switch 2 and a safety button 3, so that actual operation is facilitated.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The light alloy automatic mold-filling low-pressure casting equipment is characterized by comprising an installation shell assembly with an installation space, a smelting and die-casting assembly installed in the installation space, an air inlet and outlet assembly communicated with the smelting and die-casting assembly, and an electric control assembly for control; wherein the content of the first and second substances,
the mounting shell assembly comprises a mounting frame, a safety protection cover shell connected with the mounting frame in a sliding fit mode through a sliding guide rail, and a folding door arranged on the mounting frame and located on one side of the safety protection cover shell, wherein a limit switch electrically connected with the electric control assembly is arranged on the mounting frame, and the limit switch can simultaneously realize position limitation and opening and closing state feedback on the safety protection cover shell;
the smelting and die-casting assembly comprises a low-pressure casting hearth, a smelting crucible fixed in the low-pressure casting hearth, a power supply wire and a thermocouple wire for heating the smelting crucible and detecting temperature, and a low-pressure casting mold, wherein a lower-pressure hearth cover is correspondingly arranged at an upper end opening of the low-pressure casting hearth, the low-pressure hearth cover is switched between an opening state and a closing state through a cover lifting cylinder and a hearth closing cylinder respectively, the cover lifting cylinder and the hearth closing cylinder are electrically connected with the electric control assembly and used for feeding back the opening state and the closing state of the low-pressure hearth cover to the electric control assembly, and the low-pressure casting mold is fixed on the low-pressure hearth cover through a fixing bolt and can be contacted with a melt in the smelting crucible through a liquid lifting pipe;
the air inlet and air outlet assembly comprises an air inlet and an air inlet pipeline which are communicated with each other, an electric air inlet valve, an electric air outlet valve and an air outlet pipeline, wherein the electric air inlet valve and the electric air outlet valve are all communicated with the low-pressure casting hearth, the air outlet pipeline is communicated with the low-pressure casting hearth, the end part of the electric air inlet valve and the end part of the electric air outlet valve are respectively provided with a manual air outlet valve and a pressure monitoring meter, and meanwhile the electric air inlet valve, the electric air outlet valve and the pressure monitoring meter are equally distributed with the electric.
2. The light alloy self-charging low pressure casting apparatus of claim 1, wherein said mounting frame is generally cubic in shape.
3. The light alloy automatic mold-filling low-pressure casting equipment of claim 1, wherein the low-pressure casting hearth is in a cylindrical shape and is welded and fixed in a formed structure by adopting a curled carbon steel plate.
4. The light alloy automatic mold-filling low-pressure casting apparatus as claimed in claim 1, wherein a locking structure for realizing locking connection is provided between the safety shield and the folding door.
5. The light alloy auto-charging low pressure casting apparatus of claim 1, wherein a gas dryer is provided in the duct section of the inlet duct adjacent to the gas inlet for preventing moisture from entering the low pressure casting hearth.
6. The light alloy automatic mold-filling low-pressure casting apparatus according to claim 1, further comprising a touch display screen electrically connected to the electronic control assembly, the touch display screen being mounted on the safety shield for manual operation and parameter display.
7. The light alloy self-charging low pressure casting apparatus of claim 1, wherein said safety shield includes a handle for sliding said safety shield on said sliding track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910459813.XA CN110125366B (en) | 2019-05-30 | 2019-05-30 | Automatic low pressure casting equipment that moulds that fills of light alloy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910459813.XA CN110125366B (en) | 2019-05-30 | 2019-05-30 | Automatic low pressure casting equipment that moulds that fills of light alloy |
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| CN110125366A CN110125366A (en) | 2019-08-16 |
| CN110125366B true CN110125366B (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6513571B1 (en) * | 1998-05-27 | 2003-02-04 | Hayes Lemmerz International, Inc. | Apparatus for automatic refilling of a low pressure casting machine |
| CN102699311A (en) * | 2012-06-28 | 2012-10-03 | 上海交通大学 | Precesion casting method for high temperature alloy complex thin-walled castings |
| CN108637218A (en) * | 2018-07-30 | 2018-10-12 | 佛山市云磊智能装备有限公司 | A kind of three-in-one counter-pressure casting machine of new-energy automobile aluminium alloy |
| CN208644039U (en) * | 2018-08-24 | 2019-03-26 | 新乡市长城铸钢有限公司 | A kind of novel low-pressure die casting plant |
| CN208743660U (en) * | 2018-09-14 | 2019-04-16 | 泉州苗亿自动化机械有限公司 | A kind of low-pressure casting apparatus |
-
2019
- 2019-05-30 CN CN201910459813.XA patent/CN110125366B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6513571B1 (en) * | 1998-05-27 | 2003-02-04 | Hayes Lemmerz International, Inc. | Apparatus for automatic refilling of a low pressure casting machine |
| CN102699311A (en) * | 2012-06-28 | 2012-10-03 | 上海交通大学 | Precesion casting method for high temperature alloy complex thin-walled castings |
| CN108637218A (en) * | 2018-07-30 | 2018-10-12 | 佛山市云磊智能装备有限公司 | A kind of three-in-one counter-pressure casting machine of new-energy automobile aluminium alloy |
| CN208644039U (en) * | 2018-08-24 | 2019-03-26 | 新乡市长城铸钢有限公司 | A kind of novel low-pressure die casting plant |
| CN208743660U (en) * | 2018-09-14 | 2019-04-16 | 泉州苗亿自动化机械有限公司 | A kind of low-pressure casting apparatus |
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