CN1613577A - Metal material injection device and injection molding method - Google Patents
Metal material injection device and injection molding method Download PDFInfo
- Publication number
- CN1613577A CN1613577A CNA2004100840513A CN200410084051A CN1613577A CN 1613577 A CN1613577 A CN 1613577A CN A2004100840513 A CNA2004100840513 A CN A2004100840513A CN 200410084051 A CN200410084051 A CN 200410084051A CN 1613577 A CN1613577 A CN 1613577A
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- metal material
- cartridge heater
- mold
- ejecting device
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/30—Accessories for supplying molten metal, e.g. in rations
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/02—Hot chamber machines, i.e. with heated press chamber in which metal is melted
- B22D17/04—Plunger machines
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/2015—Means for forcing the molten metal into the die
- B22D17/2023—Nozzles or shot sleeves
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
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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
- B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
- B22D21/02—Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
- B22D21/04—Casting aluminium or magnesium
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The object of the present invention is to provide a metal material injection device which can be simply constructed and can form a formed article with excellent quality. The solution is that the metal material injection device comprises a heating cylinder 10 for melting metal material S1 to form a molten material M, a nozzle 20 connected with a mounting mold 30 at the front end of the heating cylinder 10, and a plunger P which is provided by pressing the molten material M and injecting the molten material M through the nozzle 20; a material supply cylinder 40 for supplying a metal material in accordance with the length of the molded article of the heating cylinder 10 in each molding cycle; and a mold 15 for cutting the periphery of the metal material S1 is provided between the heating cylinder 10 and the material supply cylinder 40; and a suction device 50 for removing the gas in the heating cylinder 10 is provided in the vicinity of the mold 15 behind the heating cylinder 10.
Description
Technical field
The present invention is relevant for the ejecting device and the ejection forming method thereof of metal materials such as a kind of injection molding magnesium or aluminium.
Background technology
The manufacturing process of metal materials such as known magnesium, aluminium can be divided into, penetrate behind the pressurization deposite metal be filled in the mould with die casting (die casting) method that obtains formed products, and spiral penetrate spherical metal material and recharge semisolid emission forming machine (Thixomolding) method after through fusion in mould.But die casting need be prepared the calciner in order to the fusion metal material, so cost is higher, and problem such as oxide accumulation can take place in calciner.On the other hand, the problem of semisolid emission forming machine method is, and is very numerous and diverse and because of using spiral to penetrate, so be difficult to the stable metal material that fuses when operating spherical metal material.
At this, its contrive equipment belongs to, have the cartridge heater of the inlet of accepting to answer molten material and molten material outlet and be connected in aforementioned cartridge heater and have the decompression means the molten metallic material feeding mechanism, reach be filled into the pressurization filling device of mould in order to the molten metallic material that this molten metallic material feeding mechanism is supplied ejecting device (for example, see also patent documentation 1, the spy opens the 2000-254764 communique).
The aforementioned pressurization filling device piston structure of this ejecting device is when being positioned at progressive position, can block the outlet of molten metallic material feeding mechanism; When aforementioned piston is positioned at going-back position, outlet can connect the material filled chamber in the cylinder, therefore stoping the hot nozzle that aforementioned cylinder connected to connect under the state of mould die cavity (cavity), by allowing aforementioned piston move to going-back position from progressive position, allow the material filled chamber be negative pressure, give negative pressure with aforementioned decompression means to molten material again, and the negative-pressure balancing of adjustment previous materials filled chamber, to stop molten material to flow into the previous materials filled chamber, after aforementioned piston retreats into assigned position, the material that then comes from aforementioned molten metallic material feeding mechanism with the ormal weight supply, filled chamber in order to packing material, then allow after the aforementioned piston-advance, and in the mould die cavity, fill molten material to carry out moulding.
Because the ejecting device that aforementioned patent document 1 is put down in writing can regularly be fed to molten material in the cylinder from the material feeding mechanism, therefore do not need calciner, just be able to carry out smoothly and really forming operation.In addition, (material filled chamber in) in the cartridge heater or in the cylinder can be remained under the vacuum state, therefore can promote molded item quality and yield rate to carry out moulding.But then require in recent years to make, device constitutes more simple and easy, as can to obtain formed products best in quality ejecting device.
In addition, except the ejecting device that aforementioned patent document 1 is put down in writing, also possess light metal material is considered as the stub material, be fed to the material feeding mechanism that penetrates cylinder, and the stub material of before supply the ejaculation cylinder and the heater thereof that fuse in regular turn more one by one, allow the advancing of unfused stub material progression formula, to penetrate the pressure bar member of the stub material that has fused, and possess penetrate the hydraulic piston bar light metal emission forming machine ejecting device (for example, see also patent documentation 2, the spy opens the 2003-211260 communique).On this ejecting device, the pressure bar member is that the 1st drive unit that sees through drive device for hydraulic, the 2nd drive unit that reaches Vidacare corp drive.In addition, penetrating hydraulic piston bar (rod) is to see through 1 ejaculation oil pressure cylinder to drive.
Ejecting device, light metal material that aforementioned patent document 2 is put down in writing, have and be equivalent to the above volume (length) of number Shot, since each penetrate 1 Shot consume with the amount of being pressed into of the light metal material that shortens for necessarily, and should pass through the 2nd drive unit, adjust the pressure bar member overhang of each Shot in the progression mode.
For this reason, the ejecting device of 2 motions of aforementioned patent document is except needs the 2nd drive unit, also should possess control device, not only can improve the ejecting device cost thus, also can allow the time that drives the 2nd drive unit, become the reason of procrastinateing the forming period time.In addition, except the forming period time inequality of each Shot,, yet be fed to the light metal material amount that penetrates cylinder and store, can allow each Shot change, and bring molded item quality difference all by each Shot supply light metal material.
The ejecting device of 2 motions of aforementioned patent document, have and utilize active gases not to remove the function that (purge) penetrates the clearance air of cylinder and stub material, but this is not an air of removing the locking space, do not have yet and remove the function that penetrates cylinder internal gas, therefore store in the molten metal that penetrates cylinder, understand because of the stained formed products of oxidation surface, and cause the problem of formed products undercapacity.
Summary of the invention
One, the technical problem of institute's desire solution:
The present invention's purpose is, in view of aforesaid situation, can see through the metal material ejecting device that simple and easy formation molds formed products best in quality and provide.
Two, the technological means of dealing with problems:
In other words, metal material ejecting device as claim 1 of the present invention is characterized in that: possess have molten metallic material with the cartridge heater of making molten material, and connect this cartridge heater front end with the nozzle of installation mold and be used to be pressed into aforementioned molten material and see through aforementioned nozzle again and penetrate plunger to the mould; Metal material according to aforementioned cartridge heater formed products length is arranged at the material Feeding cylinder that each forming period is supplied; Between aforementioned cartridge heater and the previous materials Feeding cylinder, the mold (dies) of cutting metal material periphery is set; And near the aforementioned mold at aforementioned cartridge heater rear, the suction device that possesses removal cartridge heater internal gas is set.
Invention as claimed in claim 2 again, according to the described metal material ejecting device of claim 1, it is characterized in that: cut-off component is set between mold and previous materials Feeding cylinder, have and the driving fit of mold end face after can airtight cartridge heater inside progressive position and can be by between the going-back position of aforementioned metal material and produce and move back and forth.
Invention as claimed in claim 3 again according to the described metal material ejecting device of claim 2, is characterized in that: the formation of cut-off component is when going-back position moves to progressive position, and mold can be drawn the cutting swarf except that cutting metal material.
Metal material ejection forming method as claimed in claim 4 again, it is characterized in that: when being shaped formed products by the described metal material ejecting device of claim 2, see through aforementioned mold from the previous materials Feeding cylinder, when metal material is fed to cartridge heater and allow after aforementioned plunger after finish penetrating retreats, when aforementioned cut-off component locking cartridge heater is inner, drive aforementioned suction device to remove the cartridge heater internal gas.
Three, the effect of contrast prior art:
The invention of claim 1, in molten metallic material to make the cartridge heater of molten material, and the nozzle of the installation mold of this cartridge heater front end of connection, and be pressed into aforementioned molten material, see through aforementioned nozzle jetting mold again, and have on the metal material ejecting device of plunger, having possessed will be according to the metal material of aforementioned cartridge heater formed products length, be arranged at the material Feeding cylinder that each forming period is supplied, and between aforementioned cartridge heater and the previous materials Feeding cylinder, mold in the cutting metal material periphery, and near the aforementioned mold at aforementioned cartridge heater rear, then possesses the suction device of removing the cartridge heater internal gas, therefore can constitute and easy ejecting device, and can be fed to the metal material cartridge heater at the degasification environment, to obtain colory formed products.
The invention of claim 2, ejecting device for foundation claim 1, it has possessed and has been set between aforementioned mold and the previous materials Feeding cylinder, and with the driving fit of aforementioned mold end face, and with the progressive position of the airtight aforementioned cartridge heater inside that moves around and can be by the cut-off component between the going-back position of aforementioned metal material, therefore during beginning after finishing to penetrate to supply this section in the cartridge heater, also can remove the internal gas of cartridge heater, to obtain colory formed products with metal material.
The invention of claim 3, aforementioned cut-off component structure are that during from going-back position migration progressive position, mold can be drawn the cutting swarf except that cutting metal material, therefore not because of mold brings harmful effect on cutting metal material, and can keep the good working environment.
The inventive method of claim 4, when being shaped formed products for the ejecting device of foundation claim 2, see through aforementioned mold from the previous materials Feeding cylinder, when metal material is fed to cartridge heater, and when finish penetrating after aforementioned plunger retreats, when aforementioned cut-off component is closed cartridge heater, then drive aforementioned suction device to remove the cartridge heater internal gas, when therefore metal material being fed to cartridge heater, during beginning after finish penetrating to supply this section in the cartridge heater with metal material, also can remove the internal gas of cartridge heater, to obtain colory formed products.
Description of drawings
Fig. 1: before expression is fed to cartridge heater with metal material, the profilograph of the ejecting device situation when removing gas in the cartridge heater.
Fig. 2: expression is fed to metal material in the cartridge heater, the profilograph of the ejecting device situation when removing gas in the cartridge heater.
Fig. 3: represent to allow plunger advancement, firm profilograph with the ejecting device situation before the molten material jetting mold.
Fig. 4: represent to allow plunger advancement, the ejecting device situation profilograph during with the molten material jetting mold.
Fig. 5: expression is with the ejecting device situation profilograph behind the molten material jetting mold.
Fig. 6: expression allows plunger retreat, allow cut-off advance, the ejecting device situation profilograph when removing gas in the cartridge heater once again.
Fig. 7: the amplification profile that removes gaseity of expression suction device.
The specific embodiment
Following according to describing example of the present invention shown in the drawing in detail.
Before Fig. 1 represents metal material is fed to cartridge heater, the profilograph of the ejecting device situation when removing gas in the cartridge heater.Fig. 2 represents metal material is fed in the cartridge heater, the profilograph of the ejecting device situation when removing gas in the cartridge heater.Fig. 3 represents to allow plunger advancement, just with the profilograph of the ejecting device situation before the molten material jetting mold.Fig. 4 represents to allow plunger advancement, the ejecting device situation profilograph during with the molten material jetting mold.Fig. 5 represents the ejecting device situation profilograph behind the molten material jetting mold.Fig. 6 represents to allow plunger retreat, allow cut-off advance, the ejecting device situation profilograph when removing gas in the cartridge heater once again.Fig. 7 represents the amplification profile that removes gaseity of suction device.
Fig. 1 extremely ejecting device shown in Figure 6 has possessed, the cartridge heater 10 of molten metallic material S1 to make molten material M, and the nozzle 20 of the installation mold 30 of these cartridge heater 10 front ends of connection, and be pressed into aforementioned molten material M and see through the plunger P that aforementioned nozzle 20 has to jetting mold 30 again, will be according to the metal material S1 of aforementioned cartridge heater 10 formed products length, be arranged at the material Feeding cylinder 40 that each forming period is supplied, and between aforementioned cartridge heater 10 and the previous materials Feeding cylinder 40, mold 15 in cutting metal material S1 periphery, and the aforementioned mold at aforementioned cartridge heater 10 rears is neighbouring by 15, then possesses the suction device 50 of removing cartridge heater 10 internal gas.
On this ejecting device, aforementioned mold 15 is bonding on the end face of reversed nozzle 20 of cartridge heater 10, and 40 of previous materials Feeding cylinders are configured on cartridge heater 10 and mold 15 coaxial after aforementioned mold 15 separates institute's set a distance.In addition, aforementioned suction device 50 is set at aforementioned cartridge heater 10 from mold 15 rear positions.The relevant significant points of the present invention's ejecting device below will be described.
Nozzle 20 is bonding on the front end face of aforementioned cartridge heater 10, and has the endoporus 11 level and smooth endoporus 21 that connect from aforementioned cartridge heater 10.Aforementioned endoporus 21 is the path less than cartridge heater 10 endoporus 11 rear internal diameters, the top in 11 axle center, hole within the aforementioned cartridge heater 10 is partial in its axle center, this then linearly connects above endoporus 21 and above the endoporus 11 of aforementioned cartridge heater 10, and other parts then form towards the level and smooth apperance that connects of oblique shape simultaneously.In addition, nozzle 20 has the bigger heater of caloric value (graphic not taking off), and this heater can allow nozzle 20 be warmed up to the temperature of molten metallic material S1 in the several seconds.Next, except with the molten material M jetting mold 30 (as Fig. 3, Fig. 4 and shown in Figure 5), keep in the cartridge heater 10 with air-tight state in order to stop flowing of molten material M, to reach, and nozzle 20 heaters are carried out cold control.
In addition, the spray nozzle front end portion 22 of aforementioned nozzle 20 leading sections is cylindrical, and is after aforementioned endoporus 21 undergauges become oblique shape, opening-like on spray nozzle front end portion 22 end faces.Spray nozzle front end portion 22 is in the mould 30 that is made of fixed mould 31 and moveable die 32, towards the set insertion of fixed mould 31 mouthfuls 33 to move and intercalation is formed by connecting.By being set at the drive unit of ejecting device below (graphic not taking off), and at the axis direction of nozzle 20, spray nozzle front end portion 22 moves around.Stopping the position that spray nozzle front end portion 22 advances then is, spray nozzle front end portion 22 end faces form the position on die cavity C surface in fixed mould 31, and ejecting device then is required to contact the stop member of adjustable position.In addition, stop the laggard position of spray nozzle front end portion 22, then isolate spray nozzle front end portion 22, cut off the several mm distances behind the aforementioned formed products M3 liquation mouth 34 from formed products M3.But clear up aforementioned spray nozzle front end portion 22 and liquation mouth 34, just must between spray nozzle front end portion 22 and fixed mould 31, working space be set, so ejecting device has sufficient laggard stroke.Moreover aforementioned mould 30 is installed on (graphic not taking off) closing unit, and 32 of moveable dies are near fixed mould 31 and isolated.32 of moveable dies form being pressed behind the die cavity C behind the mould near fixed mould 31 again.
Aforementioned plunger P is by not being disclosed in graphic driving means, with high pressure and advance at utmost speed, is pressed in the cartridge heater 10 after pushing down metal material S1 again.Optimal this driving means belongs to, so that easily realize high pressure, the known machines such as oil pressure cylinder that require at a high speed, but also can use servo motor etc. with accumulator (accumulator).Aforementioned plunger P then allows this plunger P retreat, and after advancing in the position of material Feeding cylinder 40 input ports 42 standard-sized sheets, the maximum molten material that available this ejecting device is melted moves on to maximum travel position more again.And aforementioned plunger P can be in maximum travel limit, and move between any stroke the location.In addition, the diameter of aforementioned plunger P is slightly less than the cutting portion 15a of aforementioned mold 15 internal diameters.
As shown in Figure 7, suction device 50 is made of cylinder grade in an imperial examination 1 shutter means 51, pin 52 and guide cylinder 55.Aforementioned pin 52 is that front end then has minor diameter part 53 from the 1st shutter means 51 outstanding long rods.53 of this minor diameter parts see through and drive aforementioned the 1st shutter means 51 to load and unload near the perforate 13 set mold 15 at aforementioned cartridge heater 10 rears.Guide cylinder 55 is bonding on the peripheral surface of cartridge heater 10 around 10 perforates 13 of aforementioned cartridge heater, when leading aforementioned pin 52, supports aforementioned the 1st shutter means 51.55 of aforementioned guide cylinders are provided with in order to the fin 56 of heat radiation, reach the attraction mouth 57 that is connected in order to the vacuum pumps (graphic not taking off) of removing cartridge heater 10 internal gas.
Aforementioned the 1st shutter means 51 on the aforementioned suction device 50, behind the aforementioned pin 52 of forward drive, aforementioned pin 52 minor diameter parts 53 can be embedded in aforementioned cartridge heater 10 perforates 13, simultaneously from the inclined-plane 54 of aforementioned pin 52 minor diameter parts 53 hole enlargements, behind the inclined-plane 14 of contact from aforementioned perforate 13 towards foreign side's hole enlargement, then airtight aforementioned cartridge heater 10 inside.After aforementioned the 1st shutter means 51 retreated and drives aforementioned pin 52,53 of aforementioned pin 52 minor diameter parts were isolated aforementioned perforate 13 inclined-planes 14 and aforementioned minor diameter part 53 inclined-planes 54 simultaneously from aforementioned cartridge heater perforate 13 removals.Thus, reach aforementioned attraction mouth 57 in the aforementioned cartridge heater 10, just gap or the groove that sees through between aforementioned pin 52 and the guide cylinder 55 connects.In the aforementioned attraction mouthfuls 57 the connection vacuum pumps is arranged, thereby can attract and remove the gas that taken place when air in the cartridge heater 10 melts with metal material S1 etc.
In addition, ejecting device of the present invention preferably shown in the 2nd of the present patent application claim, is provided with cut-off component 60.Aforementioned cut-off component 60 is set between aforementioned mold 15 and the previous materials Feeding cylinder 40, and by cylinder grade in an imperial examination 2 shutter meanses 61, from the bar-shaped bar 62 of the outstanding length of aforementioned the 2nd shutter means 61 and be bonding on 63 formations of baffle plate (shutter) of aforementioned rod 62 front ends.Said baffle 63 is the thick disc-shaped component of number mm, on aforementioned mold 15 end faces, then with the airtight driving fit of sliding in the progressive position of aforementioned cartridge heater 10 inside of aforementioned mold 15 end faces and can be by the going-back position of aforementioned metal material S1, and the mode of sliding material Feeding cylinder 40 end faces does not move around.The sliding surface of said baffle 63 molds 15 because of belonging to driving fit in aforementioned mold 15, is air-tight state and allow in the aforementioned cartridge heater 10, and smoothly processes.In addition, as shown in Figure 1, close fully in said baffle 63 on the progressive position of aforementioned mold 15 end faces, visual its need be provided with packing ring (packing) in any one side that said baffle 63 is contacted with mold 15.
Shown in the 3rd of the present patent application claim, aforementioned cut-off component 60 constitutes, and when this going-back position moved on to progressive position, mold 15 can be drawn the cutting swarf Sw except that cutting metal material S.In other words, the part cutting swarf Sw when cutting aforementioned metal material S1 is peripheral can adhere to and residues on aforementioned mold 15 end faces, thereby as shown in Figure 6, is drawn by the baffle plate 63 of aforementioned cut-off 60 and removes.For this reason, can prevent cutting swarf Sw take place situation, cutting swarf Sw that cutting swarf is involved in metal material S1 be covered with around and worsen problem such as operating environment.In addition, cutting swarf Sw except that metal material S1 can effectively be drawn by aforementioned mold 15 in mold 15 lower surfaces of said baffle 63, therefore preferably can form the pocket knife bladed from 90 degree.
As shown in Figure 1, the 2nd shutter means 61 of aforementioned cut-off component 60 is provided with behind bar 62 and the baffle plate 63 then towards driving up and down with straight line and coaxial manner, also aforementioned the 2nd shutter means 61 can be arranged at said baffle 63 sides, again towards oblique or horizontal driving.In addition, can aforementioned the 2nd shutter means 61 be arranged at aforementioned rod 62 and said baffle 63 yet, and aforementioned the 2nd shutter means 61 and said baffle 63 driving shafts be set with parallel or circular arc mode with straight line and coaxial manner.
Next, will describe the driving situation of the present invention's ejecting device in regular turn in detail according to forming period based on Fig. 1 and even Fig. 6.At first, metal material S1 preferably can use light metal materials such as magnesium or aluminium.In order to allow volume be slightly larger than the volume of formed products M3, then the pole with aforementioned metal material S1 cuts into specific length.
The metal material S1 of institute's preheating on Fig. 1 is supplied in institute's allocation of material Feeding cylinder 40.60 of cut-ofves allow these baffle plate 63 driving fits in the end face of mold 15, airtight again cartridge heater 10 inside.50 open perforates 13 of suction device are to carry out degasification.The place aheads in the aforementioned cartridge heater 10 have then stored molten material M, and its rear is then with the semi-molten state, the preceding metal material S2 that residual forming period is supplied.Because nozzle 20 this heater of not switching on, thereby solidify the spray nozzle front end 22 molten material M of portion, be air-tight state in the aforementioned cartridge heater 10 and allow.Molten material M in the aforementioned cartridge heater 10 under this situation, and before metal material S2, then according to the heat that adds of several heaters 16 in aforementioned cartridge heater 10 the place aheads that raise gradually, and progressively carry out molten state from the rear of aforementioned cartridge heater 10.In other words, be the semi-molten state near the preceding metal material S2, then being the state that melts from preceding metal material S2 near the metal material S3, is the state that melts from aforementioned metal material S3 near the metal material S4, and the fusing in advancing then becomes molten material M near cartridge heater 10 front ends.Next, when fully melting preceding metal material S2 of molten material M and part and even S4,, therefore can above under the aforementioned cartridge heater 10 of inflow, produce the space because its stickiness is extremely low.See through this space, allow aforementioned suction device 50 carry out the degasification operation that has efficient.For this reason, preferably aforementioned suction device 50 is arranged at the top of aforementioned cartridge heater 10.Owing to can in aforementioned cartridge heater 10, carry out degasification, therefore can prevent problems such as aforementioned molten material M surface oxidation, slag (slag) change, stained formed products surface, reduction formed products intensity.
Fig. 2 after keeping out of the way cut-off 60 baffle plates 63 from mold 15 end faces, allows plunger P advance, and sees through aforementioned mold 15 again, and metal material S1 is committed in the cartridge heater 10.At this moment, aforementioned metal material S1 periphery is quantitatively to cut by aforementioned mold 15, and cutting swarf Sw then falls into collection box 64.Aforementioned metal material S1 is during by aforementioned mold 15, can airtight aforementioned cartridge heater 10 inside, and therefore aforementioned suction device 50 can continue to carry out degasification.Moreover, when cutting aforementioned metal material S1 is peripheral, there is part cutting swarf Sw can be attached to the periphery of mold 15 cutting portion 15a.
With Fig. 3, the degasification that stops aforementioned suction device 50 drives, and allows aforementioned plunger P further advance simultaneously, so that aforementioned metal material S1 is inserted in all aforementioned cartridge heaters 10.At this moment, can allow moveable die 32, and compress mould to form die cavity C near fixed mould 31.In addition, begin from front to back, so that allow aforementioned nozzle 20 heat up the energising of nozzle 20 heaters.
With Fig. 4, the aforementioned plunger P that advances at utmost speed is that molten material M1 is penetrated die cavity C to fill.At this moment, at the molten material M of 11 institutes of aforementioned cartridge heater 10 endoporus adverse current, mainly be to see through preceding metal material S2 in case non-return stream.In other words, use mold 15 cutting portion 15a to cut the diameter of metal material S2 before in order to allow, approximately less than aforementioned cartridge heater 10 endoporus 11 diameter 0.2mm, thereby the aforementioned mold 15 cutting portion 15a of correct provisioning.Next, insert the preceding metal material S2 in the aforementioned cartridge heater 10, past more the place ahead is moved and is carried out the high temperature heating more, and this diameter is according to the temperature difference between aforementioned mold 15 and the cartridge heater 10, carries out thermal expansion and quantitative increasing.The coefficient of thermal expansion of metal material S2 before Fig. 3 and Fig. 4, because of coefficient of thermal expansion greater than aforementioned cartridge heater 10, therefore aforementioned cartridge heater 10 endoporus 11 diameters, and preceding metal material S2 diameter between difference minimum.For this reason, can give as security the preceding metal material S2 that bursts by penetrating pressure, fully to prevent the adverse current of molten material M.
With Fig. 5, continued the ejaculation engineering of carrying out by Fig. 4, can fill according to the ejaculation that the amount of the formed products volume defined of aforementioned plunger P forward travel distance is carried out molten material M2.This penetrates in engineering, before can slightly melting metal material S2 becoming metal material S3, and beginning melt portions metal material S1.
With Fig. 6, allow aforementioned plunger P retreat into the release position of material Feeding cylinder 40 input ports 42 after, then drive cut-off 60, so that allow baffle plate 63 drop to progressive position from this going-back position.At this moment, be attached to the cutting swarf Sw of mold 15 cutting portion 15a peripheries, then drawn and fall in the collection box 64 through said baffle 63.Next, said baffle 63 driving fits are in aforementioned mold 15 end faces, and behind airtight cartridge heater 10 inside, then open suction device 50 is to remove aforementioned cartridge heater 10 internal gas.Moreover, with Fig. 5, residue in the metal material S1 in the aforementioned cartridge heater 10, be that the symbol that will possess next forming period is considered as preceding metal material S2.In addition, with Fig. 5, the molten material M2 that is filled in die cavity C then is cooled to formed products M3 with mould 30.Aforementioned formed products M3, takes out from open aforementioned mould 30 after fixed mould 31 isolation more then along with moveable die 32.
Moreover the present invention also comprises the enforcement kenel that the various changes done based on those skilled in the art's knowledge, correction, improvement etc. are obtained.In addition, except enforcement kenels such as aforementioned change, all do not belong to the scope of the invention as long as break away from purport of the present invention.
Claims (4)
1. metal material ejecting device is characterized in that:
Possess have molten metallic material with the cartridge heater of making molten material, and connect this cartridge heater front end with the nozzle of installation mold and be used to be pressed into aforementioned molten material and see through aforementioned nozzle again and penetrate plunger to the mould;
Metal material according to aforementioned cartridge heater formed products length is arranged at the material Feeding cylinder that each forming period is supplied;
Between aforementioned cartridge heater and the previous materials Feeding cylinder, the mold of cutting metal material periphery is set; And
Near the aforementioned mold at aforementioned cartridge heater rear, the suction device that possesses removal cartridge heater internal gas is set.
2. metal material ejecting device as claimed in claim 1, it is characterized in that: cut-off component is set between mold and previous materials Feeding cylinder, have and the driving fit of mold end face after can airtight cartridge heater inside progressive position and can be by between the going-back position of aforementioned metal material and produce and move back and forth.
3. metal material ejecting device as claimed in claim 2 is characterized in that: the formation of cut-off component is when going-back position moves to progressive position, and mold can be drawn the cutting swarf except that cutting metal material.
4. metal material ejection forming method is characterized in that:
When being shaped formed products by the described metal material ejecting device of claim 2, see through aforementioned mold from the previous materials Feeding cylinder, when metal material is fed to cartridge heater and allow after aforementioned plunger after finish penetrating retreats, when aforementioned cut-off component locking cartridge heater is inner, drive aforementioned suction device to remove the cartridge heater internal gas.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003374213A JP2005138116A (en) | 2003-11-04 | 2003-11-04 | Injection apparatus of metallic material and injection molding method |
| JP2003374213 | 2003-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1613577A true CN1613577A (en) | 2005-05-11 |
Family
ID=34685997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004100840513A Pending CN1613577A (en) | 2003-11-04 | 2004-10-19 | Metal material injection device and injection molding method |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2005138116A (en) |
| KR (1) | KR20050042723A (en) |
| CN (1) | CN1613577A (en) |
| TW (1) | TWI258395B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103008601A (en) * | 2013-01-23 | 2013-04-03 | 哈尔滨理工大学 | Pulse discharge auxiliary die-casting device and method |
| CN103974790A (en) * | 2011-10-14 | 2014-08-06 | 科卢斯博知识产权有限公司 | Containment gate for inline temperature control melting |
| WO2017088424A1 (en) * | 2015-11-25 | 2017-06-01 | 深圳市华腾精密机械有限公司 | Aluminium alloy injection moulding machine and injection moulding process |
| WO2017088423A1 (en) * | 2015-11-25 | 2017-06-01 | 深圳市华腾精密机械有限公司 | Aluminium alloy injection moulding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112014004304T5 (en) | 2013-09-19 | 2016-09-01 | Magna International Inc. | High pressure casting device and high pressure casting process |
-
2003
- 2003-11-04 JP JP2003374213A patent/JP2005138116A/en active Pending
-
2004
- 2004-09-27 TW TW093129301A patent/TWI258395B/en not_active IP Right Cessation
- 2004-10-19 CN CNA2004100840513A patent/CN1613577A/en active Pending
- 2004-10-22 KR KR1020040084736A patent/KR20050042723A/en not_active Application Discontinuation
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103974790A (en) * | 2011-10-14 | 2014-08-06 | 科卢斯博知识产权有限公司 | Containment gate for inline temperature control melting |
| CN108160968A (en) * | 2011-10-14 | 2018-06-15 | 科卢斯博知识产权有限公司 | Cast gate is contained for the control melting of straight line temperature |
| CN108160968B (en) * | 2011-10-14 | 2019-08-13 | 科卢斯博知识产权有限公司 | Cast gate is contained for the control melting of straight line temperature |
| CN103008601A (en) * | 2013-01-23 | 2013-04-03 | 哈尔滨理工大学 | Pulse discharge auxiliary die-casting device and method |
| WO2017088424A1 (en) * | 2015-11-25 | 2017-06-01 | 深圳市华腾精密机械有限公司 | Aluminium alloy injection moulding machine and injection moulding process |
| WO2017088423A1 (en) * | 2015-11-25 | 2017-06-01 | 深圳市华腾精密机械有限公司 | Aluminium alloy injection moulding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200528214A (en) | 2005-09-01 |
| KR20050042723A (en) | 2005-05-10 |
| JP2005138116A (en) | 2005-06-02 |
| TWI258395B (en) | 2006-07-21 |
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