CN202763014U - Low-pressure casting machine with movable mainframe - Google Patents
Low-pressure casting machine with movable mainframe Download PDFInfo
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- CN202763014U CN202763014U CN 201220487593 CN201220487593U CN202763014U CN 202763014 U CN202763014 U CN 202763014U CN 201220487593 CN201220487593 CN 201220487593 CN 201220487593 U CN201220487593 U CN 201220487593U CN 202763014 U CN202763014 U CN 202763014U
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Abstract
The utility model discloses a low-pressure casting machine with a movable mainframe. The low-pressure casting machine with the movable mainframe comprises a casting machine mainframe and a mainframe lifting device, the mainframe lifting device is composed of a lifting steel wire lifting tool, a lifting winch, a lifting platform, a mainframe lifting oil cylinder and a side support, the casting machine mainframe is fixed on the lifting platform, the lifting platform is fixed on the side support, idler wheels are arranged on the side support, and the idler wheels can be arranged in a stand column groove steel of the low-pressure casting machine. The lifting steel wire rope is wound on the lifting winch, both ends below the lifting steel wire rope are fixed on the lifting platform, the mainframe lifting oil cylinder tightly clamps a down pressing casting platform in the case of casting, so that pressure is kept to be stable when casting is conducted in pressurization and low pressure. The mainframe lifting device is increased so that the casting machine mainframe is conveniently horizontally moved and lifted above a thermal insulation furnace. Safe hazards of a power supply system arising from frequent movement of the thermal insulation furnace are eliminated, production efficiency is improved, labor intensity is relieved, production cost is reduced, energy consumption is saved, and casting difficult of a thin-walled component is solved.
Description
Technical field
The utility model relates to a kind of Casting Equipment, specifically, relates to a kind of main frame packaged type air injection machine of non-ferrous metals casting.
Background technology
The few surplus of the foundry goods of Low Pressure Casting Technology, without surplus, in auto industry, Low Pressure Casting Technology has been realized precise treatment, thin-walled property, lightweight and the energy-saving of automobile casting.Later stage nineties countries in the world require more and more higher to foundry goods, the precise treatment of foundry goods, thin-walled property, lightweight and Labor-saving have become the main direction of foundry engieering development.And Low Pressure Casting Technology and die casting by chance can be satisfied above-mentioned requirements.
Low pressure casting is to make under pressure filling die cavity of liquid metals, to form a kind of method of foundry goods.Because used pressure is lower, so be called low pressure casting.The essential characteristic of low pressure casting is non-ferrous metal liquid filling casting mold from bottom to top in crucible.Filling casting mold cast gate and rising head can integrate.The stalk sectional area is all larger, and the molten metal flow is large, but flow velocity is not high.The general stalk inner metal liquid rate of climb is at 0.05～0.2m/s, and metal flow is very steady, and the molten metal forward, and oxide-film constantly breaks and tends to the stalk tube wall, few pore and slag inclusion in the foundry goods.Type is filled in contrast die casting, and in the piston recipient, piston advances aluminium alloy with 1～2m/s speed, after being full of recipient, with as quick as thought speed supercharging, again because the ingate sectional area is little, cause ingate place firing rate up to 20～50m/s, therefore more aobvious low pressure casting fills the type stationarity.Because do not have bubble in the low pressure casting foundry goods, this foundry goods can increase substantially with heat treatment method the mechanical property of castings material.But low pressure casting is in further improvement and the raising of still needing aspect equipment, mould, technique and the automation at present.
There is now the low-pressure die casting plant main frame to fix, holding furnace can lifting moving below main frame, because the power supply of holding furnace all adopts 380V and power larger, play in working order holding furnace to need the frequent mobile larger potential safety hazard that exists, the replacing of in addition reinforced, body of heater maintenance, consumable accessory is time-consuming.
The utility model content
The purpose of this utility model is for solution the deficiencies in the prior art and existing problem, proposes a kind of air injection machine for non-ferrous metals casting, and the main frame of this air injection machine can be along horizontal rail walking and lifting.
The technical scheme that the utility model adopts is: a kind of air injection machine, comprise casting machine main frame and main frame lowering or hoisting gear, described main frame lowering or hoisting gear comprises lifting steel wire suspender, the lifting capstan winch, hoistable platform, main frame hoist cylinder and side stand, the casting machine main frame is fixed on the hoistable platform, hoistable platform is fixed on the side stand, be equipped with roller on the side stand, roller rollably is arranged on the interior lifting of column channel-section steel of air injection machine, lifting steel wire suspender upper end is on the lifting capstan winch, the two ends, below are fixed on the hoistable platform, can make the rise and fall of main frame casting platform.The main frame hoist cylinder then clamps when casting and presses down the casting platform, so that the pressure of pressurization low pressure casting keeps stable; Keep sealing to make workpiece can not produce casting bubble or cavity and loose.
Described air injection machine comprises the walking in a horizontal state guide rail, be fixed with on the column channel-section steel of air injection machine can be on horizontal guide rail reciprocating shifting roller.
Described air injection machine comprises motor and decelerator, and motor is connected with decelerator, and decelerator is connected with the roller that moves horizontally.
Described casting machine main frame comprises die cylinder, upper dynamic mould fixing plate, mold plate and bed die fixed head, the piston rod of die cylinder is fixed on dynamic mould fixing plate, the mold plate is fixed on the downside of dynamic mould fixing plate, relative with the bed die fixed head, the bed die fixed head is fixed on the hoistable platform.
Air injection machine of the present utility model increases the main frame lowering or hoisting gear, can make the casting machine main frame rise to easily the top of holding furnace.Solve reinforced aspect, keeped in repair convenient, the frequent mobile potential safety hazard of bringing electric power system of elimination holding furnace, improved production efficiency, alleviated labour intensity, thereby reduced production cost, saved energy resource consumption, solved simultaneously the casting difficulty of thin-wall part.
Horizontal guide rail and the shifting roller that is fixed on column channel-section steel lower end are set, air injection machine can be moved horizontally on the holding furnace.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of air injection machine of the present utility model;
Fig. 2 is the side-looking structural representation of air injection machine of the present utility model.
Wherein: the 1-die cylinder; 2-die cylinder piston rod; 3-mold plate; The 4-crucible furnace; 5-counterdie fixed head; The 6-shifting roller; The 7-electrothermal furnace; The 8-fuel tank; The 9-hydraulic oil pump; 10-Hydraulic integration module; 11-main frame hoist cylinder; 12-compressed air low-pressure pump; The 13-electrical control cabinet; The 14-motor; 15-ground; 16-column channel-section steel; 17-lifting wire rope suspender; The 18-roller; 19-mold fixed head; The 20-hoistable platform; 21-lifts by crane capstan winch; The 22-horizontal guide rail; The 23-staking.
The specific embodiment
Referring to drawings and Examples the utility model is described in detail:
By Fig. 1, Fig. 2 finds out, of the present utility model is a kind of moving host non-ferrous metal air injection machine, comprise casting machine main frame and main frame lowering or hoisting gear, the main frame lowering or hoisting gear comprises lifting steel wire suspender 17, lifting capstan winch 21, hoistable platform 20, main frame hoist cylinder 11 and side stand, the casting machine main frame is fixed on the hoistable platform 20, hoistable platform 20 is fixed on the side stand, be equipped with roller 18 on the side stand, roller 18 rollably is arranged in the column channel-section steel 16 of air injection machine, lifting steel wire suspender 17 is on lifting capstan winch 21, the two ends, below are fixed on the hoistable platform 20, and main frame hoist cylinder 11 is fixed on the main body top, and are close in opposite directions with lifting capstan winch 21.
Air injection machine comprises horizontal guide rail 22, be fixed with on the column channel-section steel 16 of air injection machine can be on horizontal guide rail 22 reciprocating shifting roller 6.
Air injection machine comprises motor 14 and decelerator, and motor 14 is electrically connected with decelerator, and decelerator 14 is connected with shifting roller 6.
The casting machine main frame comprises die cylinder 1, upper dynamic mould fixing plate 19, mold plate 3 and bed die fixed head 5, the piston rod 2 of die cylinder 1 is fixed on dynamic mould fixing plate 19, mold plate 3 is fixed on the downside of dynamic mould fixing plate 5, relative with bed die fixed head 5, bed die fixed head 5 is fixed on the hoistable platform 20.
The circulation of the operation of air injection machine of the present utility model, can by the hand control remote controller finish or manually operated electrical control cabinet 13 in switch finish.Action comprises: switch opens in the electric control cabinet 13, making motor 14 drive shifting roller 6 by decelerator moves forward and backward at horizontal guide rail 22, move to the position of crucible furnace 4, crucible furnace 4 below electrothermal furnaces 7 heating crucible boilers 4 make the aluminium in the crucible furnace 4 keep molten condition.Press down the casting platform by 11 clampings of main frame hoist cylinder, so that the pressure in the low pressure casting inner chamber body keeps constant stable.Casting is finished connection lifting capstan winch 21 and is made lifting wire rope suspender 17 traction hoistable platforms 20, since fixedly the staking of hoistable platform 20 be equipped with can be in column channel-section steel 16 roller 18 of scroll-up/down, therefore the casting machine main frame that is fixed on the hoistable platform 20 can be elevated to suitable position by falling steel wire rope sling 17, guarantee the installation site of stalk between crucible furnace 4 and the casting machine main frame.The effect of main frame hoist cylinder 11 is the distances between compacting and the crucible furnace 4, guarantees pressure and sealing thereof.Be exactly stalk in the middle of crucible furnace 4 and the hoistable platform 20.
As shown in Figure 1, bed die fixed head 5 above crucible furnace 4 is put into precoated sand hydroecium shell core, hoistable platform 20 declines are put in place, then the hydraulic system that consists of by fuel tank 8, hydraulic oil pump 9 and Hydraulic integration module 10 starts the die cylinder 1 descending film that closes, simultaneously by compressed air low-pressure pump 12 adjustable pressures, so that the metal aluminium liquid in the crucible furnace 4 can rise the liquid casting, and then be full of sand mold; Precoated sand disappears and flows out, and aluminium liquid is full of; Boost; Pressurize; The wind cooling; Solidify workpiece, last main frame hoist cylinder pressure release is risen, and die cylinder is return, and then desirablely goes out workpiece and finishes the casting cyclic process.
In casting process, should be noted following problem:
1, in the low pressure casting process, according to casting section thickness, alloy designations and casting mold situation, in the Liquid Level Pressure parameter, generally all to set up and rise liquid-fill type-crust (only sand mold)-boost-the several stage parameters of pressurize-release, with guarantee to fill type steadily, exhaust and solidification and crystallization under large as far as possible pressure head.Whole foundry work process is controlled automatically by PLC controller, electrical control cabinet 13 realizations.
2, electric mantle heater adopts resistance sealing thermal insulation stove.
3, because low pressure casting spare is that alloy solution fills type through stalk under dried behaviour's air pressure, with comparing of sand mold or metal mold gravity casting, the packing of foundry goods, outward appearance precision, air-tightness have all improved more than 20%.
4, low pressure casting can be realized automation by PLC, improves the sequential control precision; Both boosted productivity, can reduce the human factor that is unfavorable for production technology again, improved yield rate, greatly alleviated labor strength.
---------crust (only sand mold) boosts sequence control procedure: rise liquid---pressurize---relief parameter to fill type.
Of the present utility model have simple in structurely, can adopt the PLC controller, procedure order control, and motion is reliable, and easy to operate, production efficiency is high.
Claims (4)
1. main frame packaged type non-ferrous metal air injection machine, it is characterized in that, comprise casting machine main frame and main frame lowering or hoisting gear, described main frame lowering or hoisting gear comprises lifting steel wire suspender, the lifting capstan winch, hoistable platform, main frame hoist cylinder and side stand, the casting machine main frame is fixed on the hoistable platform, hoistable platform is fixed on the side stand, be equipped with roller on the side stand, roller rollably is arranged in the column channel-section steel of air injection machine, lifting steel wire suspender is on the lifting capstan winch, the two ends, below are fixed on the hoistable platform, can make the rise and fall of main frame casting platform, the main frame hoist cylinder then clamps when casting and presses down the casting platform, so that the pressure of pressurization low pressure casting keeps stable.
2. air injection machine according to claim 1 is characterized in that, described air injection machine comprises horizontal guide rail, be fixed with on the column channel-section steel of air injection machine can be on horizontal guide rail reciprocating shifting roller.
3. air injection machine according to claim 2 is characterized in that, described air injection machine comprises motor and decelerator, and motor is electrically connected with decelerator, and decelerator is connected with shifting roller.
4. air injection machine according to claim 1, it is characterized in that, described casting machine main frame comprises die cylinder, upper dynamic mould fixing plate, mold plate and bed die fixed head, the piston rod of die cylinder is fixed on dynamic mould fixing plate, the mold plate is fixed on the downside of dynamic mould fixing plate, relative with the bed die fixed head, the bed die fixed head is fixed on the hoistable platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220487593 CN202763014U (en) | 2012-09-24 | 2012-09-24 | Low-pressure casting machine with movable mainframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220487593 CN202763014U (en) | 2012-09-24 | 2012-09-24 | Low-pressure casting machine with movable mainframe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202763014U true CN202763014U (en) | 2013-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220487593 Expired - Fee Related CN202763014U (en) | 2012-09-24 | 2012-09-24 | Low-pressure casting machine with movable mainframe |
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| CN (1) | CN202763014U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017030036A (en) * | 2015-08-05 | 2017-02-09 | 宇部興産機械株式会社 | Vertical type casting apparatus, and method for moving holding furnace of vertical type casting apparatus |
| CN110729864A (en) * | 2019-11-01 | 2020-01-24 | 华南理工大学广州学院 | Die casting device for low-pressure casting motor shell |
-
2012
- 2012-09-24 CN CN 201220487593 patent/CN202763014U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017030036A (en) * | 2015-08-05 | 2017-02-09 | 宇部興産機械株式会社 | Vertical type casting apparatus, and method for moving holding furnace of vertical type casting apparatus |
| CN110729864A (en) * | 2019-11-01 | 2020-01-24 | 华南理工大学广州学院 | Die casting device for low-pressure casting motor shell |
| CN110729864B (en) * | 2019-11-01 | 2022-02-08 | 华南理工大学广州学院 | Die casting device for low-pressure casting motor shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20150924 |
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| EXPY | Termination of patent right or utility model |