CN102513517B - Jointed detachable conveying pipe for indirect extrusion cast alloy melt - Google Patents
Jointed detachable conveying pipe for indirect extrusion cast alloy melt Download PDFInfo
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- CN102513517B CN102513517B CN2011104406701A CN201110440670A CN102513517B CN 102513517 B CN102513517 B CN 102513517B CN 2011104406701 A CN2011104406701 A CN 2011104406701A CN 201110440670 A CN201110440670 A CN 201110440670A CN 102513517 B CN102513517 B CN 102513517B
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Abstract
The invention discloses a jointed detachable conveying pipe for an indirect extrusion cast alloy melt, which consists of a conveying system end conveying pipe, a detachable section conveying pipe and an orifice end conveying pipe, wherein the detachable section conveying pipe is connected with the conveying system end conveying pipe and the orifice end conveying pipe by detachable section bolts; the axis of the detachable section conveying pipe is coincide with the axis of the orifice end conveying pipe; and the included angle between the axis of the conveying system end conveying pipe, the axis of the detachable section conveying pipe and the axis of the orifice and a horizontal plane respectively increases in turn. Overcoming the drawbacks of conveying orifice blockage and difficult conveying pipe detachment and cleaning during material conveying in an indirect extrusion coating process in the prior art, the conveying pipe provided by the invention has reasonably designed structure and is easy the assemble, so even blockage is formed, the conveying pipe can be quickly detached and assembled at high temperature; and with convenient maintenance, the conveying pipe can be easily popularized in indirect extrusion casting.
Description
Technical field
The present invention relates to the feeding pipe of indirect extrusion casting alloy melt, specifically refer to the feeding pipe of the removable indirect extrusion casting alloy melt of a kind of segmentation.
Background technology
In the indirect Squeeze Casting Technology of prior art, alloy melt introduce need to be pressed to chamber, then by pressure head by alloy melt press-in die die cavity, the electromagnetic pump that utilizes as disclosed as Chinese patent CN101618450A is carried alloy melt.But in actual use, find that in feeding pipe, alloy melt forms obstruction at a material mouthful place than being easier to solidify, reason has: press chamber usually by the H13 steel making, its heating-up temperature is 500 ℃ of left and right, and pouring into a mould 800 ℃ of required left and right with respect to general alloy molten solution still has the larger temperature difference; Pressure head belongs to movingly in pressing chamber, and heating-up temperature only limits to 200 ℃ of left and right, during excess Temperature, also must carry out coolingly, prevents stuck phenomenon, and pressure head through feeding pipe when pressing the interface of chamber, can contact with alloy melt.Above two kinds of reasons make the alloy melt temperature drop obvious, solidify and the probability that causes material mouthful to stop up is larger.Once material, a mouthful place occurs to stop up, must dismantle whole feeding pipe is cleared up, complex procedures and feeding pipe are when being heated to more than 500 ℃, fragility is larger, slight vibration may cause be full of cracks, therefore need to carry out again disassemble and assemble work after cooling number hour, the continuity of processing is caused and has a strong impact on.
Summary of the invention
While the object of the invention is to overcome in the indirect Squeeze Casting Technology of prior art conveying conveying mouth easily stop up, the difficult defect of feeding pipe dismounting cleaning, the feeding pipe of the removable indirect extrusion casting alloy melt of a kind of segmentation rational in infrastructure, that dismounting is easy is provided.
Purpose of the present invention can be achieved by the following measures:
The feeding pipe of the removable indirect extrusion casting alloy melt of a kind of segmentation, it is characterized in that: the feeding pipe of this alloy melt is by conveying system end conveying pipeline, removable section conveying pipeline and expect that a mouthful end conveying pipeline is formed, and removable section conveying pipeline is connected with conveying system end conveying pipeline and a material mouth end conveying pipeline by removable section set bolt; Removable section conveying pipeline axis held the conveying pipeline dead in line with material mouthful; The angle of conveying system end conveying pipeline axis, removable section conveying pipeline axis, material mouthful axis and horizontal plane increases successively, and angular range is 5-28 °; The length of described removable section conveying pipeline is greater than material mouthful end conveying pipeline length.
Described removable section conveying pipeline comprises following parts: steel flange A, ceramic flange A and ceramic flange B, earthenware, heating wire, ceramic bead, removable section conveying pipeline shell, heating wire leading-out terminal, ceramic insulation cover, steel flange B, steel flange C, thermocouple, steel flange D, seam, steel flange set bolt, removable section set bolt, heat-insulation layer, sealing ring.The annexation of removable section conveying pipeline is mainly: steel flange A is welded on removable section shell, and some seams are welded in respectively on steel flange A and steel flange B; Steel flange B is connected with removable section shell by the steel flange set bolt; Ceramic flange A and ceramic flange B are nested in respectively the inboard of steel flange A and steel flange B, and the axial location of ceramic flange and steel flange is limited by seam; The heating wire that is nested with ceramic bead is wound on earthenware, and draws binding post through the ceramic insulation cover that is embedded in shell from heating wire; Heat-insulation layer is that insulation material closely is filled in the space between ceramic bead and removable section shell and forms; Filling adhesive in the fit clearance of earthenware and ceramic flange A and ceramic flange B.Material mouthful end each parts of conveying pipeline and connected mode thereof are identical with removable section conveying pipeline.
Described steel flange A and steel flange B angle theta are acute angle.
To the steel flange A of conveying system direction, to all being designed with on the steel flange C of removable section conveying pipeline direction, inlay the groove that sealing ring is used.
Described steel flange is square, and under steel flange A, edge is greater than the length of side of steel flange A to the distance L 2 of mould bases lower bolster; The mould bases pillar is greater than the length of side of steel flange A to the distance L 1 of conveying system end conveying pipeline, also be greater than the length of side of steel flange B simultaneously.
The heating wire of removable section conveying pipeline uses respectively independently power supply to control with the heating wire of material mouthful end conveying pipeline; The power of heating wire all is directly proportional to the length of removable section conveying pipeline, material mouthful end conveying pipeline.
The present invention with the feeding device of existing indirect extrusion casting alloy melt, compare have advantages of following outstanding:
1, the present invention the feeding pipe of the removable indirect extrusion casting alloy melt of a kind of segmentation is provided, adopt the mode of heat stepwise and temperature control, project organization rationally, simple and convenient assembly, solved feeding pipe and the problem of pressing chamber interface alloy melt obstruction.Even stop up, this feeding pipe can be under high-temperature situation dismounting rapidly, before alloy melt does not solidify fully, cleared up in time, greatly improved production efficiency.
2, the most of parts of the present invention are commercially available standard component, and fraction only need to carry out common machine processing to the material of buying, and each material is all without tailor-made separately, and cost is low, effective, dependable performance.
3, the present invention has designed the angle of conveying system end conveying pipeline axis (9), removable section feeding pipe axis (10), material mouthful axis (12) and horizontal plane, after can making to fill type, ducted residual alloy melt flows back to holding furnace, and the position that alloy melt more easily solidifies, conduit axis and horizontal plane angle are larger, and the tendency that alloy melt refluxes is more obvious.So both can prevent alloy melt frozen plug in pipeline, also can at utmost save material.
4, steel flange A(14 of the present invention) with steel flange B(22) the installation angle be acute angle, while reinstalling after dismounting, removable section conveying pipeline (2) applied to the power of acute angle direction, steel flange A and steel flange B meeting press seal circle (32), after fixing by removable section bolt (29a, 29b) again, can prevent simply and easily the alloy melt seepage, the sealing property excellence.
5, after heating wire (17) cover insulation ceramic bead (18), directly upper around earthenware (16), needn't for heating wire (17), bracing frame be set separately, both saved material, also improved the efficiency of heating surface.Thermocouple (24) can directly contact with ceramic bead (18) simultaneously, and thermometric is accurate and can protect to greatest extent heating wire, has improved the service life of conveying pipeline.
6, the present invention is after installation, under steel flange A, edge is greater than the length of side of steel flange A to the distance L 2 of mould bases lower bolster, simultaneously the lower supporting rod cylindrical is greater than steel flange A(14 to the distance L 1 of conveying system end conveying pipeline) and steel flange B(22) the length of side, can guarantee that so removable section conveying pipeline can take out fully from the space of mould bases and electrical measurement pump end conveying pipeline, for the cleaning of expecting the mouth tamper with and subsequent installment work larger operating space is provided.
7, the feeding pipe of the removable indirect extrusion casting alloy melt of segmentation of the present invention, manufacture method is simple, easy to maintenance, is easy to promote the use of in indirect extrusion casting.
The accompanying drawing explanation
The feeding pipe structural representation top view that Fig. 1 is the removable indirect extrusion casting alloy melt of a kind of segmentation;
The feeding pipe structural representation front view that Fig. 2 is the removable indirect extrusion casting alloy melt of a kind of segmentation;
Fig. 3 is the local A enlarged drawing of removable section feeding pipe of Fig. 2;
The feeding pipe scheme of installation that Fig. 4 is the removable indirect extrusion casting alloy melt of a kind of segmentation.
Figure 1 - Conveying system side conveying pipe, 2 - detachable segment conveying pipe, 3 - discharge port side conveying pipe, 4 - head 5 - mold, 6 - pressure chamber, 7 - pressure chamber heat insulation layer, 8 - lower die, 9 - conveying system side conveying pipe axis 10 - detachable segment conveying pipe axis, and 11 - the discharge port side conveying tube axis, and 12 - spout axis, and 13 - port 14 material - steel flanges A,, 15a-ceramic flange A,, 15b-ceramic flange B,, 16 - ceramic tubes, 17 - heating wire 18 - ceramic beads,, 19a-can demolition segment conveying pipe casing,, 19b-feed inlet end of the conveying tube housing, 20 - heating wire lead terminals 21 - ceramic insulating sleeve, and 22 - steel flanges B,, 23 - steel flanges C,, 24 - thermocouple, 25 - steel flanges D,, 26 - only I, 27 - spout end bolts, 28 - steel flange bolts,, 29a, 29b-removable section bolts, 30 - handle, 31 - insulation, 32 - seal
The specific embodiment
Below by embodiment and accompanying drawing thereof, the present invention is further illustrated, and embodiment of the present invention is not limited only to this.
Embodiment 1
The vertical casting machine (model LY-1600) that the casting machine that the present embodiment adopts is 16000KN, conveying system adopts electromagnetic pump (model EMPS-LC).As illustrated in fig. 1 and 2, the feeding pipe of the removable indirect extrusion casting alloy melt of segmentation of the present invention is comprised of conveying system end conveying pipeline 1, removable section conveying pipeline 2 an and material mouthful end conveying pipeline 3.By conveying system end conveying pipeline 1, alloy melt is delivered to the outer rim of mould bases 5 from the conveying system outlet, due to this section conveying pipeline, in mould bases 5 outsides, is not subject to mould bases 5 spatial limitation, therefore thicker heat-insulation layer can be set, reduce energy loss.By removable section conveying pipeline 2 and a material mouthful end conveying pipeline 3, alloy melt is delivered to and presses chamber 6 owing to being subject to mould bases 5 spatial limitation from mould bases 5 outer rims, its structure needs compactness, will make earthenware 16 keep the temperature of alloy melt fusing simultaneously.Alloy melt is pressed into alloy melt in counterdie 8 by pressure head 4 after entering and pressing chamber 6.
As shown in Figure 3, conveying system end conveying pipeline axis 9, removable section conveying pipeline axis 10, material mouthful axis 12 increase successively with horizontal plane; Conveying system end conveying pipeline axis 9 is 5 ° with horizontal plane angle; Removable section conveying pipeline axis 10 with a material mouthful end conveying pipeline axis 11, overlap and with the angle of horizontal plane be 15 °; Material mouthful axis 12 is 25 ° with the angle of horizontal plane; Steel flange A14 and steel flange B22 angle theta are 20 °.The angle of conveying system end conveying pipeline axis 9, removable section conveying pipeline axis 10, material mouthful axis 12 and horizontal plane, after can making to fill type, ducted residual alloy melt flows back to holding furnace, and the position that alloy melt more easily solidifies, conduit axis and horizontal plane angle are larger, the tendency that alloy melt refluxes is more obvious, so both can prevent alloy melt frozen plug in pipeline, also can at utmost save material.
The length of described removable section conveying pipeline 2 is greater than material mouthful end conveying pipeline 3 length.Removable section conveying pipeline 2 is connected with conveying system end conveying pipeline 1 and a material mouthful end conveying pipeline 3 by removable section set bolt 29a, 29b.Removable section conveying pipeline 2 comprises respectively parts and the identical two cover parts of annexation thereof with a material mouthful end conveying pipeline 3, every cover all has following parts composed as follows: steel flange A14, ceramic flange A15a and ceramic flange B15b, earthenware 16, heating wire 17, ceramic bead 18, removable section conveying pipeline shell 19a, material mouthful end conveying pipeline shell 19b, heating wire leading-out terminal 20, ceramic insulation cover 21, steel flange B22, steel flange C23, thermocouple 24, steel flange D25, seam 26, material mouthful end set bolt 27, steel flange set bolt 28, removable section set bolt 29a and 29b, handle 30, heat-insulation layer 31, sealing ring 32.Above-mentioned parts is installed annexation as shown in Figure 4:
Removable section conveying pipeline 2 and its parts annexation: it is upper that steel flange A14 is welded in removable section conveying pipeline shell 19a, and 8 seams 26 are welded in respectively on steel flange A14 and steel flange B22; Steel flange B22 is connected with removable section conveying pipeline shell 19a by steel flange set bolt 28; Ceramic flange A15a and ceramic flange B15b are nested in respectively steel flange A14 and steel flange B22 inboard, and the axial location of ceramic flange and steel flange is limited by 8 seams 26; The heating wire 17 that is nested with ceramic bead 18 is wound on earthenware 16, and draws binding post 20 through the ceramic insulation cover 21 that is embedded in shell from heating wire 17; Heating wire 17 materials can iron aluminium or nickel chromium triangle for iron.Heat-insulation layer 31 is that insulation material closely is filled in the space between ceramic bead 18 and removable section conveying pipeline shell 19a and forms; Filling adhesive in the fit clearance of earthenware 16 and ceramic flange A15a and ceramic flange B15b.Thermocouple 24 can directly contact with ceramic bead 18, and material mouthful end conveying pipeline 3 fully with above-mentioned removable section conveying pipeline 2 and its parts annexation, is that corresponding parts such as shell, ceramic flange, steel flange are replaced with its parts annexation.
The diameter of material mouthful end conveying pipeline shell 19b reduces at approaching heat tracing floor 7 place, chamber that press.The reach of steel flange set bolt 28 is less than the thickness of steel flange B22 and steel flange C23.To the steel flange A14 of conveying system direction, on the steel flange C23 of removable section conveying pipeline 2 directions, all be designed with the groove of inlaying sealing ring 32 use, between conveying system end conveying pipeline 1, removable section conveying pipeline 2 and material mouthful end conveying pipeline 3, utilize the sealing ring 32 compressed in groove to carry out the sealing of alloy melt, sealing ring is used the high aluminum fiber plate.
As shown in Fig. 1,4, described steel flange is square, steel flange A, and 14 times edge is greater than the length of side of steel flange A14 to the distance L 2 of mould bases 5 lower bolsters; The mould bases pillar is greater than the length of side of steel flange A14 and steel flange B22 to the distance L 1 of conveying system end conveying pipeline 1.
For reaching, safety dismantles easily removable section conveying pipeline 2, the surface temperature of removable section conveying pipeline shell 19a should be less than 80 ℃, design the thickness of its heat-insulation layer 31 by surface temperature, this thickness equals external diameter poor of the internal diameter of removable section conveying pipeline shell 19a and earthenware 16.The material of the present embodiment heat-insulation layer 31 adopts alumina silicate fibre, and thickness is 230mm.
The heating wire of removable section conveying pipeline 2 uses respectively independently power supply to control with the heating wire 17 of material mouthful end conveying pipeline 3; The power of heating wire 17 all is directly proportional to the length of removable section conveying pipeline 2, material mouthful end conveying pipeline 3, the earthenware 16 that is 60mm for internal diameter, and in the situation that alloy melt is aluminium alloy, the length of every 500mm is used the power of 1kw can guarantee that alloy melt is smooth and easy mobile.Heating wire 17 materials can iron aluminium or nickel chromium triangle for iron, recommendation nickel chromium triangle material, and as Cr20Ni80, this material still has toughness preferably, not easy fracture when high temperature.Through evidence, when the heating wire diameter is greater than 1mm, under the condition of high temperature, intensity is reliable.It is 1.2mm that this example is used heating wire 17 diameters.
The present embodiment adopts the electric current of solid-state relay (model is SSR-60VA) regulation heating silk 17, under the prerequisite of the unit are thermal power load that meets heating wire, material mouth end conveying pipeline that can be higher at thermal loss is suitably heightened electric current to improve heating power, removable section conveying pipeline power of the present embodiment is 1kw, and material mouthful end conveying pipeline power is 1.2kw.Thermostatic control system adopts digital display adjusting apparatus (model XMT), collocation A.C. contactor (model C JT), and the break-make of the temperature-control circuit of the feedback heating wire 17 by thermocouple, control temperature at ± 5 ℃.
Earthenware 16 materials can be selected carborundum or high alumina or corundum, preferably use alundum tube.The heat transfer coefficient of alundum tube is higher, with alloy molten solution, reacts little, and cost ratio carborundum is low.
Removable section conveying pipeline 2 mounting means are: utilize sodium metasilicate and water are deployed into solution and mixedly with silt, are made into binding agent with the ratio of 1:5; Binding agent is spread upon to steel flange A14 and coordinate the gap location formed with ceramic flange A15a, steel flange B22 with ceramic flange B15b, and natural air drying.Inserting from removable section conveying pipeline shell 19a mono-side the alundum tube that winds heating wire is earthenware 16, until embed in ceramic flange A14.Ceramic insulation cover 21 is installed in terminal 20 fairleads of removable section shell, two heating wire 17 leading-out terminals on alundum tube are overlapped to 21 through ceramic insulation; Fill the alumina silicate heat-preservation cotton and be heat-insulation layer 31 around alundum tube; Utilize steel flange set bolt 28 to connect removable section conveying pipeline shell 19a and steel flange B22; Smear binding agent, natural air drying in the fit clearance of earthenware 16 and ceramic flange 15b.The mounting means of material mouthful end conveying pipeline 3 is identical with removable section conveying pipeline 2 mounting means.
The present invention is easy to operate when the feeding pipe of the removable indirect extrusion casting alloy melt of segmentation is installed, can first removable section conveying pipeline 2 be connected by removable section hold-down screw 29a with a material mouthful end conveying pipeline 3, then the integral body of connection is assemblied in and presses on chamber 6 by a material mouthful end set bolt 27, finally connect conveying system end conveying pipeline 1, and need place sealing ring in the junction of each flange.The sealing ring that the present embodiment is used is the thick high aluminum fiber plate of 7mm.
When the feeding pipe of the removable indirect extrusion casting alloy melt of segmentation finds that a material mouthful place is stopped up, quick-detachment removable section set bolt 29a, 29b, take out removable section conveying pipeline 2 downwards, use straight push rod to stretch in feeding mouth end conveying pipeline 3 and will expect that mouthful 13 places partly solidify the shape alloy melt and be pushed in pressure chamber 6.During installation, first utilize binding agent two sealing rings 32 to be sticked on respectively in the groove of steel flange A14 and steel flange C23, utilize scale copper press seal circle 32, the direction reduced along steel flange A14 and steel flange B22 angle snaps in removable section conveying pipeline 2 between conveying system end conveying pipeline 1 and material mouthful end conveying pipeline 3, take out copper coin, the space likely occurred is filled up in sealing ring 32 bounce-backs.The direction that continuation reduces to steel flange A14 and steel flange B22 angle pushes away, and sealing ring 32 compresses, and removable section bolt is installed and is completed assembling.
Claims (6)
1. the feeding pipe of the removable indirect extrusion casting alloy melt of segmentation, it is characterized in that: the feeding pipe of this alloy melt is comprised of conveying system end conveying pipeline (1), removable section conveying pipeline (2) and material mouthful end conveying pipeline (3), and removable section conveying pipeline (2) is connected with conveying system end conveying pipeline (1) and a material mouthful end conveying pipeline (3) by removable section set bolt (29a, 29b); Removable section conveying pipeline axis (10) overlaps with a material mouthful end conveying pipeline axis (11); Conveying system end conveying pipeline axis (9), removable section conveying pipeline axis (10), material mouthful axis (12) increase successively with the angle of horizontal plane, and angular range is 5-28 °; The length of described removable section conveying pipeline (2) is greater than material mouthful end conveying pipeline (3) length.
2. the feeding pipe of the removable indirect extrusion casting alloy melt of a kind of segmentation according to claim 1, it is characterized in that: described removable section conveying pipeline (2) comprises following parts: steel flange A(14), ceramic flange A(15a) and ceramic flange B(15b), earthenware (16), heating wire (17), ceramic bead (18), removable section conveying pipeline shell (19a), heating wire leading-out terminal (20), ceramic insulation cover (21), steel flange B(22), thermocouple (24), seam (26), steel flange set bolt (28), removable section set bolt (29a) and (29b), heat-insulation layer (31), sealing ring (32), their annexation is: steel flange A(14) be welded on removable section conveying pipeline shell (19a), some seams (26) are welded in respectively steel flange A(14) and steel flange B(22) on, steel flange B(22) by steel flange set bolt (28), with removable section shell (19a), be connected, ceramic flange A(15a) with ceramic flange B(15b) be nested in respectively steel flange A(14) and steel flange B(22) inboard, and the axial location of ceramic flange and steel flange is limited by seam (26), the heating wire (17) that is nested with ceramic bead (18) is wound in earthenware (16) above, and draws binding post (20) through the ceramic insulation cover (21) that is embedded in shell from heating wire, heat-insulation layer (31) is that insulation material closely is filled in the space between ceramic bead (18) and removable section shell (19a) and forms, at earthenware (16) and ceramic flange A(15a) and ceramic flange B(15b) fit clearance in filling adhesive.
3. the feeding pipe of the removable indirect extrusion casting alloy melt of a kind of segmentation according to claim 2 is characterized in that: described steel flange A(14) with steel flange B(22) angle theta is acute angle.
4. according to the feeding pipe of the removable indirect extrusion casting alloy melt of the described a kind of segmentation of claim 2 or 3, it is characterized in that: to the steel flange A(14 of conveying system direction), to the steel flange C(23 of removable section conveying pipeline (2) direction) on all be designed with the groove of inlaying sealing ring (32) use.
5. according to the feeding pipe of the removable indirect extrusion casting alloy melt of the described a kind of segmentation of claim 2 or 3, it is characterized in that: described steel flange is square, steel flange A(14) lower along the distance L 2 to mould bases (5) lower bolster, be greater than steel flange A(14) the length of side; The mould bases pillar is greater than steel flange A(14 to the distance L 1 of conveying system end conveying pipeline (1)) the length of side, also be greater than steel flange B(22 simultaneously) the length of side.
6. the feeding pipe of the removable indirect extrusion casting alloy melt of a kind of segmentation according to claim 1 and 2 is characterized in that: the heating wire (17) of the heating wire (17) of removable section conveying pipeline (2) and material mouthful end conveying pipeline (3) is controlled with power supply independently respectively; The power of heating wire (17) all is directly proportional to the length of removable section conveying pipeline (2), material mouthful end conveying pipeline (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104406701A CN102513517B (en) | 2011-12-23 | 2011-12-23 | Jointed detachable conveying pipe for indirect extrusion cast alloy melt |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104406701A CN102513517B (en) | 2011-12-23 | 2011-12-23 | Jointed detachable conveying pipe for indirect extrusion cast alloy melt |
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| CN102513517A CN102513517A (en) | 2012-06-27 |
| CN102513517B true CN102513517B (en) | 2013-12-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103317117B (en) * | 2013-06-27 | 2015-06-03 | 华南理工大学 | Wedge-block connector for melt transfer system of squeeze casting equipment |
| CN105617827B (en) * | 2015-12-22 | 2019-03-01 | 华北电力大学（保定） | A kind of bivalent mercury is converted into the reduction apparatus of nonvalent mercury |
| CN105436469B (en) * | 2015-12-29 | 2018-08-31 | 重庆博奥镁铝金属制造有限公司 | The anti-blockage structure and application method of three plate die castings |
| CN108480590A (en) * | 2018-03-20 | 2018-09-04 | 宁波海天金属成型设备有限公司 | Die casting barrel |
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| US6318444B1 (en) * | 1998-01-22 | 2001-11-20 | Gustav Ohnsmann | Device for charging horizontal and vertical cold chamber pressure die-casting machines with metal and method |
| CN2908100Y (en) * | 2006-05-09 | 2007-06-06 | 广州市红日燃具有限公司 | Hot pressure casting automatic shaping device |
| CN201127996Y (en) * | 2007-08-31 | 2008-10-08 | 天津镁特威科技有限公司 | Easily disassembled type conveying pipe |
| CN101410205A (en) * | 2006-03-24 | 2009-04-15 | 东芝机械株式会社 | Melt feed pipe for aluminum die casting |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB735155A (en) * | 1953-06-26 | 1955-08-17 | Dow Chemical Co | Apparatus for delivering metered shots of molten metal for castings |
| EP0285688A1 (en) * | 1987-04-07 | 1988-10-12 | Maschinenfabrik Müller-Weingarten AG | Heating for the suction tube of a vacuum die-casting machine |
| US6318444B1 (en) * | 1998-01-22 | 2001-11-20 | Gustav Ohnsmann | Device for charging horizontal and vertical cold chamber pressure die-casting machines with metal and method |
| CN101410205A (en) * | 2006-03-24 | 2009-04-15 | 东芝机械株式会社 | Melt feed pipe for aluminum die casting |
| CN2908100Y (en) * | 2006-05-09 | 2007-06-06 | 广州市红日燃具有限公司 | Hot pressure casting automatic shaping device |
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