CN105964982A - Low-pressure casting equipment with improved structure - Google Patents
Low-pressure casting equipment with improved structure Download PDFInfo
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- CN105964982A CN105964982A CN201610605672.4A CN201610605672A CN105964982A CN 105964982 A CN105964982 A CN 105964982A CN 201610605672 A CN201610605672 A CN 201610605672A CN 105964982 A CN105964982 A CN 105964982A
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- splicing car
- liquid
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- lifting
- 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
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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
- B22D18/08—Controlling, supervising, e.g. for safety reasons
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
Low-pressure casting equipment with an improved structure comprises a rack and a low-pressure casting mechanical arm, wherein the low-pressure casting mechanical arm is installed on the rack and walks on the rack. A die cooling station, a cast discharging station and a cast liquid pouring station are sequentially arranged on the lower portion of the rack. A die cooling device is arranged on the die cooling station. A low-pressure casting material collecting vehicle is arranged on the cast discharging station. A casting liquid induction furnace is arranged on the cast pouring liquid station. By reversely installing the low-pressure casting mechanical arm on a single supporting beam of the rack, the mechanical arm can be moved to the die cooling device, the low-pressure casting material collecting vehicle and the casting liquid induction furnace to finish three independent procedures of die cooling, cast discharging and cast liquid pouring respectively, the whole process is finished automatically, the requirements of the procedures of products are met, the product quality is improved, the equipment layout is simplified, the production cost can be reduced, the space area occupied by the devices corresponding to the stations can be reduced, and the usage rate of a workshop is increased.
Description
Technical field
The present invention relates to low pressure casting and produce equipment, refer in particular to a kind of structure improved low-pressure die casting plant.
Background technology
Low pressure casting is to make liquid metals filling die cavity under pressure, to form a kind of method of foundry goods.Owing to pressure used is relatively low, so being called low pressure casting.The technical process of low pressure casting is: in the crucible (or hermetically sealed can) sealed, it is passed through dry compressed air, molten metal is under the effect of gas pressure, rise along stalk, die cavity is stably entered by cast gate, and the gas pressure kept in crucible on liquid level, until till foundry goods solidifies completely.Then release the gas pressure on liquid level, make out not solidified metal liquid stream crucible in liquid pipe, then by cylinder open form pushing out casting.
Air injection machine of the prior art, owing to equipment has certain limitation, the robust motion between moving component is poor, often leads to the decline of casting accuracy；The most traditional air injection machine automaticity is relatively low, after casting completes, tends not to quickly remove foundry goods, and the adaptability being simultaneous for different size mould is the most poor, and production efficiency is relatively low.
Chinese invention patent application (application number: 201310619096.5) discloses a kind of air injection machine, it realizes negative pressure of vacuum by high-temperature vacuum pump and rises liquid, to loose core frame simultaneously and moving platen will be set to integral type and will control lifting by die cylinder, thus enhance the suitability to different size mould, by connecing core platform and connecing the setting of core dolly, achieving and quickly remove foundry goods, production efficiency is higher.
Although above low-pressure die casting plant can adapt to the mould of different size targetedly, but there is also following defect in actual use: after 1, owing to completing a foundry goods every time, generally require and mould is cooled down and cleans, to remove the impurity that last casting process stays, and above equipment there is no dependency structure, thus the quality of foundry goods can be had a strong impact on.2, high owing to casting liquid temp in holding furnace, and the filling position of splicing dolly is arranged in above this holding furnace, easily deteriorate splicing dolly working environment, reduce its service life, being easily caused fault in production increases, and is unfavorable for extensive high efficiency production.
Summary of the invention
The present invention provides a kind of structure improved low-pressure die casting plant, and its main purpose is the defect that fault in production is many, casting product quality is the highest overcoming existing air injection machine to exist.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that
nullA kind of structure improved low-pressure die casting plant，Including frame and installation and walk in the low pressure casting machinery hands in this frame，The lower section being positioned at this low pressure casting machinery hands travel region in described frame is sequentially provided with mould cooling station、Foundry goods unloading station and foundry goods liquid filling station，It is provided with an equipment for cooling die in described mould cooling station，Described foundry goods unloading station is provided with a low pressure casting splicing car，Described foundry goods liquid filling station is provided with a casting liquid induction furnace，Described frame includes the spaced apart first edge-on support body in left and right、Second edge-on support body and two ends are individually fixed in the support crossbeam in the middle part of each edge-on support body，Described support crossbeam both sides in its longitudinal direction are provided with guide assembly，Described low pressure casting machinery hands includes a slide-and-guide seat、One is installed on this slide-and-guide seat and for the drive mechanism driving it to walk、One lifting frame body being installed on this slide-and-guide seat bottom portion、One matched moulds support body、One fixes the activity swing arm that swing arm and is slidably mounted in described matched moulds support body，It is provided with in described lifting frame body for controlling the elevating mechanism that described matched moulds support body shifts up and down，The clamping carrying out left and right sidesing shifting for controlling described activity swing arm is installed in described matched moulds support body，The end of described fixing swing arm is provided with one first mould，The end of described activity swing arm is provided with second mould suitable with described first mould，Described slide-and-guide seat is respectively arranged with the slide block assembly suitable with described guide assembly in the position of corresponding each guide assembly.
Further; described matched moulds support body includes that a matched moulds is fixed end, a matched moulds movable end and one and fixed the mould closing guide rail held towards this matched moulds movable end direction layout by this matched moulds; described clamping is a closing liquid cylinder pressure; one end of this closing liquid cylinder pressure is installed on the fixing end of described matched moulds; the other end is provided with a closing piston bar; described activity swing arm is installed in described mould closing guide rail, and its upper end is connected with the end of described closing piston bar.
nullFurther，Described activity swing arm includes second upper frame being slidably mounted in described mould closing guide rail、Second swing mechanism、It is rotatably installed on the second lower frame bottom this second upper frame and is installed on the second liquid parting cylinder pressure of the second lower frame bottom，One end of described second liquid parting cylinder pressure is fixedly installed in the second lower frame bottom，The other end is provided with one second demoulding thimble，Described second mould is installed on the bottom of described second lower frame and is provided with the second pilot hole for passing for the second demoulding thimble，Described second swing mechanism is one second oscillating motor，One end of this second oscillating motor is installed on the second upper frame，The other end is provided with one second oscillating-piston bar，The top of described second lower frame includes second articulated section hinged with described second upper frame and is positioned at the second clicking section above this second articulated section，The end of described second oscillating-piston bar is articulated with on this second clicking section.
nullFurther，Described fixing swing arm includes that one is installed on the first upper frame that described matched moulds is fixed on end、First swing mechanism、It is rotatably installed on the first lower frame bottom this first upper frame and is installed on the first liquid parting cylinder pressure of the first lower frame bottom，One end of described first liquid parting cylinder pressure is fixedly installed in the first lower frame bottom，The other end is provided with one first demoulding thimble，Described first mould is installed on the bottom of described first lower frame and is provided with the first pilot hole for passing for the first demoulding thimble，Described first swing mechanism is one first oscillating motor，One end of this first oscillating motor is installed on the first upper frame，The other end is provided with one first oscillating-piston bar，The top of described first lower frame includes first articulated section hinged with described first upper frame and is positioned at the first clicking section above this first articulated section，The end of described first oscillating-piston bar is articulated with on this first clicking section.
Further, the lower section of described slide-and-guide seat is provided with riser guide, at least one end of described lifting frame body is provided with the lifting slider suitable with described riser guide, described elevating mechanism is a lifting hydraulic cylinder, the upper end of this lifting hydraulic cylinder is articulated in described slide-and-guide seat, lower end is provided with a lifting piston rod, and the end of described lifting piston rod is connected on described lifting frame body, and described matched moulds support body is fixedly installed on described lifting frame body.
Further, described equipment for cooling die includes a graphite cuvette, at least one rabbling mechanism and a coolant supply, described graphite cuvette include graphite cuvette outside plate, graphite cuvette inner panel, inwardly enclosed by this graphite cuvette inner panel limit fixed and formed a plurality of graphite water accommodation spaces, outwards and inwardly enclosed by this graphite cuvette outside plate by this graphite cuvette inner panel limit fixed and formed for the mezzanine space being passed through for cooling fluid, being provided with the dividing plate of a plurality of interleaved in described mezzanine space, described mezzanine space is divided into the coolant flow channel of an one-way flow by this dividing plate.
Further, described graphite water accommodation space is provided with two, corresponding first mould and the second mould are arranged respectively, it is correspondingly arranged on rabbling mechanism described in each graphite water accommodation space, described rabbling mechanism includes a stirring motor, the stirring main shaft being in transmission connection with this stirring motor outfan and an agitator arm, described stirring motor is installed on the outside of described graphite cuvette outside plate, and described stirring main shaft is sequentially connected with described agitator arm after graphite cuvette outside plate, mezzanine space, graphite cuvette inner panel in described graphite water accommodation space.
Further, in described stirring main shaft stretches into described graphite water accommodation space the most obliquely.
Further, described first edge-on support body includes two first support posts and is set up in the first longeron pedestal on this two first support post top, in described first longeron pedestal, side is provided with one for holding the cabinet space of hydraulic oil, opposite side is built-in with the hydraulic drive unit being connected with described cabinet space, the side of described first longeron pedestal is provided with a plurality of for getting filling head mutually continuously with hydraulic actuator, and this filling head is connected with the outfan of described hydraulic drive unit.
Further, described second edge-on support body includes two second support posts and is set up in the second longeron pedestal on this two second support post top, it is provided with the first ventilation space in described second longeron pedestal, the second ventilation space being connected with described first ventilation space it is provided with in second support post described at least, described second support post side is provided with a plurality of for getting ventilation head mutually continuously with the blow vent of casting liquid induction furnace, described ventilation head is connected with described second ventilation space, and described first ventilation space and a ventilation pump are connected.
Further, described casting liquid induction furnace includes body of heater, bell, is arranged at below body of heater and for carrying out the induction coil assembly heated, the casting liquid accommodation space being arranged in body of heater to raw material in body of heater, the liquid filling inlet portion being made up of a plurality of stalk pedestals it is provided with on described bell, on each stalk pedestal, correspondence is provided with one and stretches into the stalk below casting liquid liquid level, and described bell is provided with the ventilation head being connected with described casting liquid accommodation space.
Further, described stalk includes metal tubing string, the winding slot being opened in this metal tubing string sidewall and is arranged in the electric heating unit in this winding slot.
Further, described electric heating unit is resistance heat block or Electromagnetic Heating block.
nullFurther，Described low pressure casting splicing car includes a driving cylinder、One lift cylinder、One upset cylinder、One splicing car fixed support、One can movably be installed on the splicing car traversing carriage on this splicing car fixed support、One can be installed on the splicing car lifting support on this splicing car traversing carriage up or down、The splicing car welding hopper that the one splicing car turnover bracket and being articulated on this splicing car lifting support rotationally is fixedly installed on this splicing car turnover bracket，The pedestal of described driving cylinder is installed on described splicing car fixed support，And the pistons end of this driving cylinder fixes with described splicing car traversing carriage，The pedestal of described lift cylinder is installed on described splicing car traversing carriage，And the piston rod end of this lift cylinder fixes with described splicing car lifting support，The pedestal of described upset cylinder is installed on described splicing car lifting support，And its piston rod end is connected with described splicing car splicing car turnover bracket.
Further, described splicing car lifting support being provided with complex root lifting guide pillar, on described splicing car traversing carriage, corresponding position is provided with the fairlead suitable with each lifting guide pillar.
Further, described splicing car traversing carriage is provided with stable steering in the lower section driving cylinder installation site and fixes seat, this stable steering is fixed and is rotatably mounted with stable steering wheel on seat, and described splicing car fixed support is provided with in the lower section driving cylinder installation site and takes turns, in this stable steering, the guide surface abutted against.
Further, described splicing car turnover bracket is provided with for detecting the blanking detector unit whether on splicing car welding hopper with metal casting in the lower section of splicing car welding hopper.
Compared to the prior art, what the present invention produced has the beneficial effects that:
1, present configuration is simple, practical, by a low pressure casting machinery hands is inverted on the single support crossbeam of frame, make this low pressure casting machinery hands can be displaced to equipment for cooling die, it is respectively completed mould cooling on low pressure casting splicing car and casting liquid induction furnace, foundry goods discharging and the operation of this three roads independence of foundry goods liquid filling, whole process all automatically completes, thus not only meet the requirement of product sequence, improve product quality, and simplify device layout, crossbeam one-object-many-purposes will be supported, can not only be used for frame to use, also serve as guide rail to use, and then reduction production cost, reduce the spatial area shared by each operation corresponding device, improve workshop utilization rate.
2, in the present invention, the simple in construction of low pressure casting machinery hands, cost is relatively low, its major part is divided into three pieces, elevating mechanism, clamping and the oscillating arm mechanisms being made up of fixing swing arm and activity swing arm, it is respectively completed and stretches up and down, arm pawl opening and closing and mould fold these three production action, thus not only meet Production requirement, and whole production control action is all to pass through hydraulic control, control accuracy is high, low cost, can be used for the casting of kirsite and the various widgets of copper alloy, it is possible not only to greatly reducing the internal porosity of product, improve product quality, and cost is well below other industrial machine mechanical arm using Serve Motor Control, receive the welcome of lots of manufacturers.
3, in the present invention, by graphite cuvette is arranged to inner and outer plates structure, and effectively utilize the mezzanine space between inner and outer plates, it is transformed into the coolant flow channel of one-way flow, the most not only save layout coil and carry out the cost required for heat exchange, and can fully save space in graphite cuvette, expand the volume that graphite water holds to a certain extent, more can effectively solve difficult cleaning and the problem of heat exchanger effectiveness decline caused because of the brought scale build-up of life-time service coil, thus greatly improve service life and the heat exchange efficiency of the present invention.
4, in the present invention, by the first longeron pedestal of the first edge-on support body is designed to substitute the hydraulic pressure casing of conventional hydraulic device, not only make full use of existing equipment structure to realize one-object-many-purposes, reduce design cost, and hydraulic oil is designed aloft, both can reduce hydraulic operation energy consumption, headroom can have been made full use of again, be conducive to the clean and tidy layout of underground the most simultaneously.
5, in the present invention; breather is set by the second side stand structural reform being dressed up built-in ventilation space or internal Tibetan; the most not only make full use of existing equipment structure to realize one-object-many-purposes; reduce design cost; and breather can be protected; can effectively prevent breather aging or damage, be conducive to the clean and tidy layout of breather line the most simultaneously.
6, in the present invention, the entrance (the most multiple stalk pedestal) of multiple foundry goods liquid filling can be designed on casting liquid induction furnace, so user can be according to producing needs, select to need to carry out the quantity of foundry goods liquid filling, improve the production capacity in the unit interval the most undoubtedly, thus, be conducive to widening further the applicable situation of the present invention.
7, in the present invention, electric heating unit is arranged by the nozzle position at stalk, can effectively solve the problem that the casting liquid in body of heater causes casting liquid mobility to be deteriorated when carrying out foundry goods liquid filling because temperature reduces, ensure that casting liquid flows in mould smoothly, Electric heating is not only simple in structure, and do not produce burning things which may cause a fire disaster, thus the potential safety hazard being greatly reduced in production process, and be conducive to improving shopwork environment.
8, in the present invention, by arrange a lift cylinder dock truck welding hopper carry out lifting operation, when splicing car welding hopper is positioned at the lower section of mechanical hand, lift cylinder upwards can weld hopper by jack-up splicing car, it is made to further and spacing between mechanical hand, it is thus possible to be effectively reduced each metal casting drop docking truck welding hopper impact dynamics, reduce the mechanical loss that splicing car welding hopper suffers, and then extend the service life of splicing car welding hopper, after completing splicing, lift cylinder can control splicing car welding hopper and decline, and coordinate smoothly and drive cylinder and upset cylinder to be respectively completed traversing feeding and the action of upset discharging.
9, in the present invention, by design low pressure casting splicing car, can ensure that after completing a foundry goods every time, automatically foundry goods can be transported, being automatically performed discharging action, whole process is that the cylinder by three different purposes carries out cooperation and completes, it is not necessary to manually participate in, thus human cost can either be saved, labor intensity can be reduced again.
10, in the present invention, by design blanking detector unit (can be weight sensor or touch sensor), can automatically detect whether foundry goods drops, make splicing car hopper can be automatically performed lifting splicing, decline return, traversing feeding and upset this series of actions of discharging, and can be with Automatic Cycle, the beneficially automaticity of raising equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment mesolow Casting Equipment.
Fig. 2 is the structural representation casting liquid induction furnace in embodiment.
Fig. 3 is the structural representation of embodiment mesolow foundry machinery hands.
Fig. 4 is the structural representation of embodiment mesolow foundry machinery hands top half.
Fig. 5 is the generalized section of Fig. 4.
Fig. 6 is the structural representation of embodiment mesolow foundry machinery hands the latter half.
Fig. 7 is the generalized section of Fig. 6.
Fig. 8 is the structural representation of embodiment mesolow casting splicing car.
Fig. 9 is the front view of Fig. 8.
Figure 10 is the structural representation of equipment for cooling die in embodiment.
Figure 11 is to cast the structural representation of liquid filling inlet portion in liquid induction furnace in embodiment.
Figure 12 is Figure 11 generalized section along A-A direction.
Figure 13 is the structural representation of stalk in embodiment.
Figure 14 is the top view of Figure 10.
Detailed description of the invention
The detailed description of the invention of the present invention is described with reference to the accompanying drawings.
With reference to Fig. 1-Figure 14.nullA kind of structure improved low-pressure die casting plant，Including frame 1 and install and walk in the low pressure casting machinery hands 2 in this frame 1，The lower section being positioned at this low pressure casting machinery hands 2 travel region in described frame 1 is sequentially provided with mould cooling station 1a、Foundry goods unloading station 1b and foundry goods liquid filling station 1c，An equipment for cooling die 3 it is provided with in described mould cooling station 1a，Described foundry goods unloading station 1b is provided with a low pressure casting splicing car 4，Described foundry goods liquid filling station 1c is provided with a casting liquid induction furnace 5，Described frame 1 includes the spaced apart first edge-on support body 10 in left and right、Second edge-on support body 11 and two ends are individually fixed in each edge-on support body 10、Support crossbeam 12 in the middle part of in the of 11，Described support crossbeam 12 both sides in its longitudinal direction are provided with guide assembly 13，Described low pressure casting machinery hands 2 includes a slide-and-guide seat 20、One is installed on this slide-and-guide seat 20 and for the drive mechanism 21 driving it to walk、One is installed on the lifting frame body 22 bottom this slide-and-guide seat 20、One matched moulds support body 23、One fixes swing arm 24 and is slidably mounted on the activity swing arm 25 in described matched moulds support body 23，It is provided with in described lifting frame body 22 for controlling the elevating mechanism 26 that described matched moulds support body about 23 shifts，The clamping 27 carrying out left and right sidesing shifting for controlling described activity swing arm 25 is installed in described matched moulds support body 23，The end of described fixing swing arm 24 is provided with one first mould 28，The end of described activity swing arm 25 is provided with second mould 29 suitable with described first mould 28，Described slide-and-guide seat 20 is respectively arranged with the slide block assembly 200 suitable with described guide assembly 13 in the position of corresponding each guide assembly 13.The present embodiment is by being inverted in a low pressure casting machinery hands 2 on the single support crossbeam 12 of frame 1, make this low pressure casting machinery hands 2 can be displaced to equipment for cooling die 3, it is respectively completed mould cooling on low pressure casting splicing car 4 and casting liquid induction furnace 5, foundry goods discharging and the operation of this three roads independence of foundry goods liquid filling, whole process all automatically completes, thus not only meet the requirement of product sequence, improve product quality, and simplify device layout, crossbeam 12 one-object-many-purposes will be supported, can not only be used for frame 1 to use, also serve as guide rail to use, and then reduction production cost, reduce the spatial area shared by each operation corresponding device, improve workshop utilization rate.
With reference to Fig. 1-Figure 14.Described matched moulds support body 23 includes that a matched moulds is fixed end 230, matched moulds movable end 231 and and fixed, by this matched moulds, the mould closing guide rail 232 that end 230 is arranged towards this matched moulds movable end 231 direction; described clamping 27 is a closing liquid cylinder pressure 270; one end of this closing liquid cylinder pressure 270 is installed on described matched moulds and fixes end 230; the other end is provided with a closing piston bar 271; described activity swing arm 25 is installed in described mould closing guide rail 232, and its upper end is connected with the end of described closing piston bar 271.
With reference to Fig. 1-Figure 14.nullDescribed activity swing arm 25 includes second upper frame 250 being slidably mounted in described mould closing guide rail 232、Second swing mechanism 251、It is rotatably installed on the second lower frame 252 bottom this second upper frame 250 and is installed on the second liquid parting cylinder pressure 253 of the second lower frame 252 bottom，One end of described second liquid parting cylinder pressure 253 is fixedly installed in the second lower frame 252 bottom，The other end is provided with one second demoulding thimble 254，Described second mould 29 is installed on the bottom of described second lower frame 252 and is provided with the second pilot hole for passing for the second demoulding thimble 254，Described second swing mechanism 251 is one second oscillating motor 255，One end of this second oscillating motor 255 is installed on the second upper frame 250，The other end is provided with one second oscillating-piston bar 256，The top of described second lower frame 252 includes second articulated section 257 hinged with described second upper frame 250 and is positioned at the second clicking section 258 above this second articulated section 257，The end of described second oscillating-piston bar 256 is articulated with on this second clicking section 258.
With reference to Fig. 1-Figure 14.nullDescribed fixing swing arm 24 include one be installed on described matched moulds fix end 230 on the first upper frame 240、First swing mechanism 241、It is rotatably installed on the first lower frame 242 bottom this first upper frame 240 and is installed on the first liquid parting cylinder pressure 243 of the first lower frame 242 bottom，One end of described first liquid parting cylinder pressure 243 is fixedly installed in the first lower frame 242 bottom，The other end is provided with one first demoulding thimble 244，Described first mould 28 is installed on the bottom of described first lower frame 242 and is provided with the first pilot hole for passing for the first demoulding thimble 244，Described first swing mechanism 241 is one first oscillating motor 245，One end of this first oscillating motor 245 is installed on the first upper frame 240，The other end is provided with one first oscillating-piston bar 246，The top of described first lower frame 242 includes first articulated section 247 hinged with described first upper frame 240 and is positioned at the first clicking section 248 above this first articulated section 247，The end of described first oscillating-piston bar 246 is articulated with on this first clicking section 248.
With reference to Fig. 1-Figure 14.The lower section of described slide-and-guide seat 20 is provided with riser guide 201, at least one end of described lifting frame body 22 is provided with the lifting slider 220 suitable with described riser guide 201, described elevating mechanism 26 is a lifting hydraulic cylinder 260, the upper end of this lifting hydraulic cylinder 260 is articulated in described slide-and-guide seat 20, lower end is provided with a lifting piston rod 261, the end of described lifting piston rod 261 is connected on described lifting frame body 22, and described matched moulds support body 23 is fixedly installed on described lifting frame body 22.
With reference to Fig. 1-Figure 14.Described equipment for cooling die 3 includes a graphite cuvette 30, at least one rabbling mechanism 31 and a coolant supply, described graphite cuvette 30 includes graphite cuvette outside plate 301, graphite cuvette inner panel 302, a plurality of graphite water accommodation spaces 303 that are fixed and that formed of limiting inwardly are enclosed by this graphite cuvette inner panel 302, the mezzanine space being passed through for confession cooling fluid formed calmly of limiting outwards and is inwardly enclosed by this graphite cuvette outside plate 301 by this graphite cuvette inner panel 302, the dividing plate of a plurality of interleaved it is provided with in described mezzanine space, described mezzanine space is divided into the coolant flow channel of an one-way flow by this dividing plate.Described graphite water accommodation space 303 is provided with two, the most corresponding first mould 28 and the second mould 29 are arranged, it is correspondingly arranged on rabbling mechanism 31 described in each graphite water accommodation space 303, described rabbling mechanism 31 includes a stirring motor 310, the one stirring main shaft 311 being in transmission connection with this stirring motor 310 outfan and an agitator arm 312, described stirring motor 310 is installed on the outside of described graphite cuvette outside plate 301, described stirring main shaft 311 is sequentially through graphite cuvette outside plate 301, mezzanine space, it is connected with described agitator arm 312 in described graphite water accommodation space 303 after graphite cuvette inner panel 302.Described stirring main shaft 311 stretches in described graphite water accommodation space 303 the most obliquely.The present embodiment is by being arranged to inner and outer plates structure by graphite cuvette 30, and effectively utilize the mezzanine space between inner and outer plates, it is transformed into the coolant flow channel of one-way flow, the most not only save layout coil and carry out the cost required for heat exchange, and can fully save space in graphite cuvette 30, expand the volume that graphite water holds to a certain extent, more can effectively solve difficult cleaning and the problem of heat exchanger effectiveness decline caused because of the brought scale build-up of life-time service coil, thus greatly improve service life and the heat exchange efficiency of the present invention.
With reference to Fig. 1-Figure 14.Described first edge-on support body 10 includes two first support posts 100 and is set up in the first longeron pedestal 101 on this two first support posts 100 top, in described first longeron pedestal 101, side is provided with one for holding the cabinet space 102 of hydraulic oil, opposite side is built-in with the hydraulic drive unit being connected with described cabinet space 102, the side of described first longeron pedestal 101 is provided with a plurality of for getting filling head mutually continuously with hydraulic actuator, and this filling head is connected with the outfan of described hydraulic drive unit.The present embodiment by being designed to substitute the hydraulic pressure casing of conventional hydraulic device by the first longeron pedestal 101 of the first edge-on support body 10, not only make full use of existing equipment structure to realize one-object-many-purposes, reduce design cost, and hydraulic oil is designed aloft, both hydraulic operation energy consumption can have been reduced, headroom can be made full use of again, be conducive to the clean and tidy layout of underground the most simultaneously.Described second edge-on support body 11 includes two second support posts 110 and is set up in the second longeron pedestal 111 on this two second support posts 110 top, it is provided with the first ventilation space in described second longeron pedestal 111, the second ventilation space being connected with described first ventilation space it is provided with in second support post 110 described at least, described second support post 110 side is provided with a plurality of for getting ventilation head mutually continuously with the blow vent of casting liquid induction furnace 5, described ventilation head is connected with described second ventilation space, and described first ventilation space and a ventilation pump are connected.In the present embodiment, described ventilation head can also be connected with described ventilation pump by breather, and breather can be hidden and be located at the first ventilation space in described second edge-on support body 11 or the second ventilation space by user.The present embodiment sets breather by the second edge-on support body 11 repacks into built-in ventilation space or internal Tibetan; the most not only make full use of existing equipment structure to realize one-object-many-purposes; reduce design cost; and breather can be protected; can effectively prevent breather aging or damage, be conducive to the clean and tidy layout of breather line the most simultaneously.
With reference to Fig. 1-Figure 14.Described casting liquid induction furnace 5 includes body of heater 50, bell 51, is arranged at below body of heater 50 and for carrying out the induction coil assembly 52 heated, the casting liquid accommodation space being arranged in body of heater 50 to raw material in body of heater 50, the liquid filling inlet portion 54 being made up of a plurality of stalk pedestals 53 it is provided with on described bell 51, on each stalk pedestal 53, correspondence is provided with one and stretches into the stalk 55 below casting liquid liquid level, and described bell 51 is provided with the ventilation head being connected with described casting liquid accommodation space.The present embodiment is cast the entrance (the most multiple stalk 55 pedestal 53) that can be designed to multiple foundry goods liquid filling on liquid induction furnace 5, so user can be according to producing needs, select to need to carry out the quantity of foundry goods liquid filling, improve the production capacity in the unit interval the most undoubtedly, thus, be conducive to widening further the applicable situation of the present invention.Described stalk 55 includes metal tubing string 550, the winding slot 551 being opened in this metal tubing string 550 sidewall and is arranged in the electric heating unit 552 in this winding slot 551., described electric heating unit 552 is resistance heat block or Electromagnetic Heating block.The present embodiment arranges electric heating unit 552 by the nozzle position at stalk 55, can effectively solve the problem that the casting liquid in body of heater 50 causes casting liquid mobility to be deteriorated when carrying out foundry goods liquid filling because temperature reduces, ensure that casting liquid flows in mould smoothly, Electric heating is not only simple in structure, and do not produce burning things which may cause a fire disaster, thus the potential safety hazard being greatly reduced in production process, and be conducive to improving shopwork environment.
With reference to Fig. 1-Figure 14.nullDescribed low pressure casting splicing car 4 includes a driving cylinder 40、One lift cylinder 41、One upset cylinder 42、One splicing car fixed support 43、One can movably be installed on the splicing car traversing carriage 44 on this splicing car fixed support 43、One can be installed on the splicing car lifting support 45 on this splicing car traversing carriage 44 up or down、Splicing car turnover bracket 46 and a splicing car being fixedly installed on this splicing car turnover bracket 46 that one is articulated on this splicing car lifting support 45 rotationally weld hopper 47，The pedestal of described driving cylinder 40 is installed on described splicing car fixed support 43，And the pistons end of this driving cylinder 40 fixes with described splicing car traversing carriage 44，The pedestal of described lift cylinder 41 is installed on described splicing car traversing carriage 44，And the piston rod end of this lift cylinder 41 fixes with described splicing car lifting support 45，The pedestal of described upset cylinder 42 is installed on described splicing car lifting support 45，And its piston rod end is connected with described splicing car splicing car turnover bracket 46.Being provided with complex root lifting guide pillar 450 on described splicing car lifting support 45, on described splicing car traversing carriage 44, corresponding position is provided with the fairlead 440 suitable with each lifting guide pillar 450.Described splicing car traversing carriage 44 is provided with stable steering in the lower section driving cylinder 40 installation site and fixes seat 441, this stable steering is fixed and is rotatably mounted with stable steering wheel 442 on seat 441, and described splicing car fixed support 43 is provided with the guide surface 430 abutted against in this stable steering wheel 442 in the lower section driving cylinder 40 installation site.Described splicing car turnover bracket 46 is provided with for detecting the blanking detector unit 49 whether on splicing car welding hopper 47 with metal casting in the lower section of splicing car welding hopper 47.The present embodiment is by design low pressure casting splicing car 4, can ensure that after completing a foundry goods every time, automatically foundry goods can be transported, it is automatically performed discharging action, whole process is that the cylinder by three different purposes carries out cooperation and completes, need not manually participate in, thus human cost can either be saved, labor intensity can be reduced again.
Compared to the prior art, what the present invention produced has the beneficial effects that:
In the present invention, the simple in construction of low pressure casting machinery hands 2, cost is relatively low, its major part is divided into three pieces, elevating mechanism 26, clamping 27 and the oscillating arm mechanisms being made up of fixing swing arm 24 and activity swing arm 25, it is respectively completed and stretches up and down, arm pawl opening and closing and mould fold these three production action, thus not only meet Production requirement, and whole production control action is all to pass through hydraulic control, control accuracy is high, low cost, can be used for the casting of kirsite and the various widgets of copper alloy, it is possible not only to greatly reducing the internal porosity of product, improve product quality, and cost is well below other industrial machine mechanical arm using Serve Motor Control, receive the welcome of lots of manufacturers.
Above are only the detailed description of the invention of the present invention, but the design concept of the present invention is not limited thereto, all changes utilizing this design that the present invention carries out unsubstantiality, the behavior invading scope all should be belonged to.
Claims (10)
- null1. a structure improved low-pressure die casting plant，Including frame and installation and walk in the low pressure casting machinery hands in this frame，It is characterized in that: the lower section being positioned at this low pressure casting machinery hands travel region in described frame is sequentially provided with mould cooling station、Foundry goods unloading station and foundry goods liquid filling station，It is provided with an equipment for cooling die in described mould cooling station，Described foundry goods unloading station is provided with a low pressure casting splicing car，Described foundry goods liquid filling station is provided with a casting liquid induction furnace，Described frame includes the spaced apart first edge-on support body in left and right、Second edge-on support body and two ends are individually fixed in the support crossbeam in the middle part of each edge-on support body，Described support crossbeam both sides in its longitudinal direction are provided with guide assembly，Described low pressure casting machinery hands includes a slide-and-guide seat、One is installed on this slide-and-guide seat and for the drive mechanism driving it to walk、One lifting frame body being installed on this slide-and-guide seat bottom portion、One matched moulds support body、One fixes the activity swing arm that swing arm and is slidably mounted in described matched moulds support body，It is provided with in described lifting frame body for controlling the elevating mechanism that described matched moulds support body shifts up and down，The clamping carrying out left and right sidesing shifting for controlling described activity swing arm is installed in described matched moulds support body，The end of described fixing swing arm is provided with one first mould，The end of described activity swing arm is provided with second mould suitable with described first mould，Described slide-and-guide seat is respectively arranged with the slide block assembly suitable with described guide assembly in the position of corresponding each guide assembly.
- A kind of structure improved low-pressure die casting plant the most as claimed in claim 1; it is characterized in that: described matched moulds support body includes that a matched moulds is fixed end, a matched moulds movable end and one and fixed the mould closing guide rail held towards this matched moulds movable end direction layout by this matched moulds; described clamping is a closing liquid cylinder pressure; one end of this closing liquid cylinder pressure is installed on the fixing end of described matched moulds; the other end is provided with a closing piston bar; described activity swing arm is installed in described mould closing guide rail, and its upper end is connected with the end of described closing piston bar.
- nullA kind of structure improved low-pressure die casting plant the most as claimed in claim 2，It is characterized in that: described activity swing arm includes second upper frame being slidably mounted in described mould closing guide rail、Second swing mechanism、It is rotatably installed on the second lower frame bottom this second upper frame and is installed on the second liquid parting cylinder pressure of the second lower frame bottom，One end of described second liquid parting cylinder pressure is fixedly installed in the second lower frame bottom，The other end is provided with one second demoulding thimble，Described second mould is installed on the bottom of described second lower frame and is provided with the second pilot hole for passing for the second demoulding thimble，Described second swing mechanism is one second oscillating motor，One end of this second oscillating motor is installed on the second upper frame，The other end is provided with one second oscillating-piston bar，The top of described second lower frame includes second articulated section hinged with described second upper frame and is positioned at the second clicking section above this second articulated section，The end of described second oscillating-piston bar is articulated with on this second clicking section.
- nullA kind of structure improved low-pressure die casting plant the most as claimed in claim 3，It is characterized in that: described fixing swing arm includes that one is installed on the first upper frame that described matched moulds is fixed on end、First swing mechanism、It is rotatably installed on the first lower frame bottom this first upper frame and is installed on the first liquid parting cylinder pressure of the first lower frame bottom，One end of described first liquid parting cylinder pressure is fixedly installed in the first lower frame bottom，The other end is provided with one first demoulding thimble，Described first mould is installed on the bottom of described first lower frame and is provided with the first pilot hole for passing for the first demoulding thimble，Described first swing mechanism is one first oscillating motor，One end of this first oscillating motor is installed on the first upper frame，The other end is provided with one first oscillating-piston bar，The top of described first lower frame includes first articulated section hinged with described first upper frame and is positioned at the first clicking section above this first articulated section，The end of described first oscillating-piston bar is articulated with on this first clicking section.
- A kind of structure improved low-pressure die casting plant the most as claimed in claim 4, it is characterized in that: the lower section of described slide-and-guide seat is provided with riser guide, at least one end of described lifting frame body is provided with the lifting slider suitable with described riser guide, described elevating mechanism is a lifting hydraulic cylinder, the upper end of this lifting hydraulic cylinder is articulated in described slide-and-guide seat, lower end is provided with a lifting piston rod, the end of described lifting piston rod is connected on described lifting frame body, and described matched moulds support body is fixedly installed on described lifting frame body.
- A kind of structure improved low-pressure die casting plant the most as claimed in claim 1, it is characterized in that: described equipment for cooling die includes a graphite cuvette, at least one rabbling mechanism and a coolant supply, described graphite cuvette includes graphite cuvette outside plate, graphite cuvette inner panel, a plurality of graphite water accommodation spaces that are fixed and that formed of limiting inwardly are enclosed by this graphite cuvette inner panel, outwards and inwardly being enclosed the mezzanine space being passed through for confession cooling fluid formed calmly of limiting by this graphite cuvette outside plate by this graphite cuvette inner panel, the dividing plate of a plurality of interleaved it is provided with in described mezzanine space, described mezzanine space is divided into the coolant flow channel of an one-way flow by this dividing plate.
- A kind of structure improved low-pressure die casting plant the most as claimed in claim 1, it is characterized in that: described first edge-on support body includes two first support posts and is set up in the first longeron pedestal on this two first support post top, in described first longeron pedestal, side is provided with one for holding the cabinet space of hydraulic oil, opposite side is built-in with the hydraulic drive unit being connected with described cabinet space, the side of described first longeron pedestal is provided with a plurality of for getting filling head mutually continuously with hydraulic actuator, and this filling head is connected with the outfan of described hydraulic drive unit.
- A kind of structure improved low-pressure die casting plant the most as claimed in claim 1, it is characterized in that: described second edge-on support body includes two second support posts and is set up in the second longeron pedestal on this two second support post top, it is provided with the first ventilation space in described second longeron pedestal, the second ventilation space being connected with described first ventilation space it is provided with in second support post described at least, described second support post side is provided with a plurality of for getting ventilation head mutually continuously with the blow vent of casting liquid induction furnace, described ventilation head is connected with described second ventilation space, described first ventilation space and a ventilation pump are connected.
- A kind of structure improved low-pressure die casting plant the most as claimed in claim 1, it is characterized in that: described casting liquid induction furnace includes body of heater, bell, it is arranged at below body of heater and for the induction coil assembly carrying out heating to raw material in body of heater, the casting liquid accommodation space being arranged in body of heater, the liquid filling inlet portion being made up of a plurality of stalk pedestals it is provided with on described bell, on each stalk pedestal, correspondence is provided with one and stretches into the stalk below casting liquid liquid level, the ventilation head being connected with described casting liquid accommodation space it is provided with on described bell, described stalk includes metal tubing string, it is opened in the winding slot of this metal tubing string sidewall and is arranged in the electric heating unit in this winding slot.
- nullA kind of structure improved low-pressure die casting plant the most as claimed in claim 1，It is characterized in that: described low pressure casting splicing car includes a driving cylinder、One lift cylinder、One upset cylinder、One splicing car fixed support、One can movably be installed on the splicing car traversing carriage on this splicing car fixed support、One can be installed on the splicing car lifting support on this splicing car traversing carriage up or down、The splicing car welding hopper that the one splicing car turnover bracket and being articulated on this splicing car lifting support rotationally is fixedly installed on this splicing car turnover bracket，The pedestal of described driving cylinder is installed on described splicing car fixed support，And the pistons end of this driving cylinder fixes with described splicing car traversing carriage，The pedestal of described lift cylinder is installed on described splicing car traversing carriage，And the piston rod end of this lift cylinder fixes with described splicing car lifting support，The pedestal of described upset cylinder is installed on described splicing car lifting support，And its piston rod end is connected with described splicing car splicing car turnover bracket.
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| CN109719275A (en) * | 2018-03-01 | 2019-05-07 | 北京航大新材科技有限公司 | A kind of unloading mechanism of counter-pressure casting machine |
| CN111438345A (en) * | 2020-04-30 | 2020-07-24 | 国机铸锻机械有限公司 | Automatic production process and device for double-station magnesium alloy sand mold low-pressure casting |
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|---|---|
| CN105964982B (en) | 2018-01-19 |
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