CN103433437B - Vertical parting flaskless shoot-squeeze clay-bonded sand automatic molding machine - Google Patents
Vertical parting flaskless shoot-squeeze clay-bonded sand automatic molding machine Download PDFInfo
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- CN103433437B CN103433437B CN201210503165.1A CN201210503165A CN103433437B CN 103433437 B CN103433437 B CN 103433437B CN 201210503165 A CN201210503165 A CN 201210503165A CN 103433437 B CN103433437 B CN 103433437B
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Abstract
The invention relates to a vertical parting flaskless shoot-squeeze clay-bonded sand automatic molding machine. The molding machine comprises a machine seat provided with a reverse pressure plate swing linkage mechanism, a quick sand-shooting system and a quick prefill valve bank thereon, wherein high-pressure sealing structures are adopted by the reverse pressure plate swing linkage mechanism and the quick sand-shooting system, so that the molding machine is free from sand dust escape in the whole molding process, is high in molding speed, accurate in location and high in mold assembly accuracy, and has the characteristics of efficiency, energy conservation and environment protection. Meanwhile, the sand molds manufactured by the molding machine have high compactness and are uniform, and the castings poured with the sand molds have low rejection rate, beautiful appearances and high geometric dimension accuracy.
Description
Technical field
The present invention relates to a kind of Casting Equipment of Machine, be specially a kind of fully automatic high-speed vertical parting molding machine adopting driven by servomotor hydraulic control technology.Be mainly used in the making of foundry clay sand sand mold.
Background technology
Clay-bonded sand metal casting is shaping is one of main production process of machine components blank, is widely used, and occupies critical role in machine building industry.
Wherein the making of clay-bonded sand sand mold is one of key link in castings production technical process, the making quality of sand mold is directly connected to quality and the yield rate of foundry goods, make the sand mold of high-quality to raising casting quality, reduce casting cost and play vital effect, developed countries have developed all kinds of high-end automatic molding machine for this formative technology, this kind of machinery has that production efficiency is high, steady quality, energy-conserving and environment-protective advantage, but because of it, prices are rather stiff, maintenance difficulties is large, is difficult to promote the use of in common customer.Most domestic foundry enterprise is still using technique jolt-squeeze machine simple, backward in technique or squeeze molding machine to carry out sand mold making, the sand-mould quality poor stability made, equipment running noises are high, labour intensity is large, production efficiency is low, environmental pollution weight, domestic casting industry is badly in need of the mo(u)lding equipment that high-end automatic molding machine replaces existing backwardness.
Summary of the invention
The present invention is directed to the deficiency in above-mentioned prior art, devise a kind of vertical-parting box-less shoot squeeze automatic molding machine for clay sand.The sealing that the vertical-parting box-less shoot squeeze automatic molding machine for clay sand solving prior art exists is poor, the deficiency that yield rate is low.
A kind of vertical-parting box-less shoot squeeze automatic molding machine for clay sand of the present invention, comprise by fuel tank, the support of base composition, support is provided with mold cavities room successively, Jia Shashe sand mechanism, moulding push type mechanism, sand mold pressure holding mechanism, die cavity switch switching mechanism and hydraulic system, air-channel system, centralized lubricating system and electric control system, described automatic moulding machine is provided with counter swing link mechanism, fast rapid fire sand system and quick liquid filling valve group, described counter swing link mechanism is connected with swingable counter, it is characterized in that the sealed sides of described swingable counter comprises inner seal cover plate and outer side seal cover plate, described inner seal cover plate and outer side seal cover plate are by O shape elastic sealing plunger piston, Ω shape sealing ring is fixed on cover plate and counter body, multiple ventilation air flue is manufactured with at the faying face of cover plate and counter body, described fast rapid fire sand system comprises penetrates sand shaped Nozzles body and is fixed on the sand hopper penetrated on sand shaped Nozzles body, be equipped with in the middle part of sand hopper and penetrate sand Pneumatic valve, knockout valve is equipped with at top, described knockout valve is equipped with hopper air bleeding valve, the sand-falling port side of described knockout valve is supported by valve cover, sealing gland, the clamping of sealing support ring, the W shape sealing ring made by polyurethane material is fixed, described sealing ring is made to be fitted on the spherical flashboard of tiles, and between W shape sealing ring and the spherical flashboard of tiles, leave gap, valve cover is manufactured with passage, after injecting air pressure, W shape sealing ring outwards expands and holds the spherical flashboard of tiles tightly and seal by air pressure, to avoid sand grains generation external leakage in sandbox, described quick liquid filling valve group comprises prefill valve main valve plug, prefill valve pilot valve, prefill valve valve body, prefill valve spring and proportional pilot valve, wherein prefill valve pilot valve and the little volume annular seal space of prefill valve valve body composition mould oscillating table design, the opening speed of SERVO CONTROL prefill valve main valve plug is carried out by proportional pilot valve, promote prefill valve pilot valve by prefill valve spring during closedown and discharge the liquid controlling annular seal space fast, realize quick closedown.
A kind of vertical-parting box-less shoot squeeze automatic molding machine for clay sand of the present invention have employed the swollen compact form sealing device of Novel pressure in the swingable counter of die cavity.Making sealed expansion by injecting air pressure promotion plunger, can sealing reliability be improved.Increase the service life.Top knockout valve have employed Pneumatic-expansion sand-falling port potted component and the spherical flashboard of tiles, injecting air pressure after valve closing makes potted component expansion hold the spherical flashboard of tiles tightly, improve sealing reliability, pressurized seal component shrinkage is discharged during valve opening, make to form gap between potted component and the spherical flashboard of tiles, ensure potted component friction damage does not occur.The moulding overall process of this moulding machine leaks without sand dust, and moulding speed is fast, accurate positioning, mould assembly precision are high, has feature that is energy-efficient, environmental protection.Sand mold compactability simultaneously made by this moulding machine is high and even, and the casting wasted product rate of casting out with it is low, and good looking appearance, geometric accuracy is high.
Accompanying drawing explanation
Fig. 1 is that lateral junction of the present invention composition-die cavity is in opening;
Fig. 2 is vertical structure figure of the present invention;
Fig. 3 is quick liquid filling valve detail drawing;
Fig. 4 is swingable counter detail drawing;
Fig. 5 is the A portion enlarged diagram of Fig. 4;
Fig. 6 is knockout valve detail drawing;
Fig. 7 is the B portion enlarged diagram of Fig. 6.
1-counter motion arm-tie in figure; 2-counter motion pull bar; 3-bracing frame one; 4-counter oil cylinder; 5-counter oil cylinder displacement transducer; 6-quick liquid filling valve group; 7-pressure plate oil cylinder displacement transducer; 8-supporting traverse; 9-gas storage bag; 10-bracing frame two; 11-pressure plate oil cylinder; 12-penetrates sand Pneumatic valve; 13-hopper air bleeding valve; 14-knockout valve; 15-sand hopper; 16-penetrates sand shaped Nozzles body; 17-push type pressure plate assembly; 18-makes mold cavity component; The swingable counter of 19-; 20-counter kinematic mount framework; 21-counter swing link mechanism; 22-support; 23-servomotor pump assembly; The spherical flashboard of 24-tiles; 25-sealing gland; 26-W shape sealing ring; 27-valve cover; 28-seals support ring; 29-O shape elastic sealing plunger piston; 30-Ω shape sealing ring; 31-inner seal cover plate; 32-outer side seal cover plate; 33-cover plate; 34-counter body; 35-prefill valve main valve plug; 36-prefill valve pilot valve; 37-prefill valve valve body; 38-prefill valve spring; 39-proportional pilot valve.
Detailed description of the invention
Referring to accompanying drawing 1-7, invention main points of the present invention are elaborated.
Shown in Fig. 1: support 22 carries out machine finishing after all using medium plate and template welding, constitutes mechanism's installation foundation that high strength, flatness are very high.Support is fixed with and makes mold cavity component 18, bracing frame 1, bracing frame 2 10, make mold cavity component 18 is fixed with and penetrate sand shaped Nozzles body 16, counter oil cylinder 4 and pressure plate oil cylinder 11 are arranged on bracing frame 1 and make in mold cavity component 18, pressure plate oil cylinder 11 bar head fixes push type pressure plate assembly 17, bracing frame 1, bracing frame 2 10, make in mold cavity component 18 and be equipped with four counter motion pull bars 2, counter kinematic mount framework 20 is contained on counter motion pull bar 2, on counter kinematic mount framework 20 and swingable counter 19 is housed.By making mold cavity component 18, push type pressure plate assembly 17, penetrate sand shaped Nozzles body 16, swingable counter 19 forms a shaping closed chamber of sand mold.
At bracing frame 1, bracing frame 2 10, penetrate on sand shaped Nozzles body 16 and be fixed with two supporting traverses 8.Quick liquid filling valve group 6 is loaded in the middle of counter oil cylinder 4 and pressure plate oil cylinder 11.By servomotor pump assembly 23(figure bis-), quick liquid filling valve group 6, counter oil cylinder 4, pressure plate oil cylinder 11 and hydraulic system form and close chamber, compacting, push type, mould assembly, the demoulding, the hydraulic control of reset and executive system.
Support is equipped with counter swing link mechanism 21, counter swing link mechanism 21 is connected with swingable counter 19, counter oil cylinder 4 drives counter motion arm-tie 1, counter motion arm-tie 1 pulls counter motion pull bar 2, counter kinematic mount framework 20 moves left and right, drive swing link mechanism 21 along certain orbiting motion, swingable counter 19 is driven to carry out upper and lower 90 ° of upsets, reach the closedown die cavity that moves to left, move to right unlatching die cavity.
Sand hopper 15 is housed penetrating on sand shaped Nozzles body 16.Be equipped with in the middle part of sand hopper 15 and penetrate sand Pneumatic valve 12, knockout valve 14 is equipped with at top.Knockout valve 14 is equipped with hopper air bleeding valve 13.By penetrating sand Pneumatic valve 12, hopper air bleeding valve 13, knockout valve 14, sand hopper 15, penetrate sand shaped Nozzles body 16 and form controlled reinforced, a hyperbar fast rapid fire sand system.
Supporting traverse 8 is equipped with gas storage bag 9, for laying in enough air pressure and air demand.
Pressure plate oil cylinder 11 is equipped with pressure plate oil cylinder displacement transducer 7, for electric-control system provides pressure plate oil cylinder position signal accurately.
Shown in Fig. 2: on the left of support, servomotor pump assembly 23 is equipped with, for providing the high-pressure and hydraulic fluid of changeable flow to hydraulic system in below.
Counter oil cylinder 4 is equipped with counter oil cylinder displacement transducer 5, for electric-control system provides counter oil cylinder position signal accurately.
Shown in Fig. 3, quick liquid filling valve forms the little volume annular seal space of mould oscillating table design by prefill valve pilot valve 36, prefill valve valve body 37, usage ratio pilot valve 39 carries out SERVO CONTROL, input high-pressure low-flow liquid can make prefill valve main valve plug 35 open fast, and proportional pilot valve 39 can control opening speed, to reduce vibrations.During reset, prefill valve spring 38 promotes prefill valve pilot valve 36 and discharges the liquid controlling annular seal space fast, reaches quick closedown.
Shown in Fig. 4-5, O shape elastic sealing plunger piston 29, Ω shape sealing ring 30 are fixed on cover plate 33, counter body 34 by inner seal cover plate 31, outer side seal cover plate 32 by counter sealed sides.High by elasticity, hardness is high, the O shape elastic sealing plunger piston 29 of the elastomeric material manufacture of good seal performance is bearing in the Ω shape sealing ring 30 of the polyurethane material manufacture that mechanical strength is high, crust is smooth, flexibility is strong, wear-resisting.The faying face of cover plate 33, counter body 34 is manufactured with multiple ventilation air flue, after injecting air pressure, air pressure promotes O shape elastic sealing plunger piston 29 and outwards expands, and Ω shape sealing ring 30 and die cavity is adjacent to and seals, and when avoiding molding sand high speed and high pressure to inject die cavity, external leakage occurs.Lay down air pressure when counter opens the demoulding, sealing contraction reduces frictional force, extends and seals service life.
Shown in Fig. 6-7, knockout valve sand-falling port side is supported by valve cover 27, sealing gland 25, sealing support ring 28 clamp, the W shape sealing 26 of mechanical strength is high, crust is smooth, flexibility is strong, wear-resisting polyurethane material manufacture is fixed, sealing paste is combined on the spherical flashboard 24 of tiles, but leaves certain interval between W shape sealing ring 26 and the spherical flashboard 24 of tiles.Valve cover 27 is manufactured with passage, and after injecting air pressure, air pressure is held outside for W shape sealing ring 26 expansion tightly tiles spherical flashboard 24 and is sealed, and avoids sand grains generation external leakage in sandbox.Lay down air pressure when valve opening, sealing contraction reduces frictional force, extends and seals service life.
Servomotor pump assembly 23 is made up of servomotor and quantitative plunger pump.The rotating speed of servomotor can operate between 150r/mn-3000 r/min, speed height servo response high (100r response time 0.05S).Servomotor height low speed Rapid Variable Design actuation plunger pump exports the high-voltage oil liquid of different small-large flow, drives oil cylinder fast microinching according to technological requirement, ensure push type pressure plate, swingable counter open slowly, stop slowly, F.F., rewind rate request.
The course of work of automatic moulding machine is as follows: under original state, and counter oil cylinder 4, pressure plate oil cylinder 11 are in retracted state, and push type pressure plate assembly 17 is retracted into makes desired location in mold cavity component 18, and swingable counter 19 is opened into horizontal level.Knockout valve 14 is in closed condition.Penetrate sand Pneumatic valve 12 to close.Hopper air bleeding valve 13 is closed.After startup optimization, counter oil cylinder 4 is released and is driven swingable counter 19 slow start, fast rotary to turn 90 degrees, moves ahead at a slow speed and to be closed by die cavity.During swingable counter 19 fast rotational, quick liquid filling valve group 6 pairs of counter oil cylinders 4 carry out quick topping up.Open knockout valve 14 by air cylinder driven to feed in raw material to sand hopper 15, after being dosed to desired location, close knockout valve 14.Penetrate sand Pneumatic valve 12 to open input high speed and high pressure gas in sand hopper 15, promote molding sand and in die cavity, carry out high speed and high pressure penetrate sand, penetrate sand Pneumatic valve 12 and close.Hopper air bleeding valve 13 is opened and is drained by gas residual in sand hopper 15, and hopper air bleeding valve 13 is closed.Pressure plate oil cylinder 11 is released and is promoted that push type pressure plate assembly 17 opens slowly, fast compacting sand mold, and now counter oil cylinder 4 is released simultaneously and pulled swingable counter 19 to exert pressure in die cavity to carry out sand mold compacting.Counter oil cylinder 4 is regained, and drive the demoulding of swingable counter 19 slow start, fast rotary turn 90 degrees to be opened die cavity, and simultaneously gas circuit controls the floating sand of the in-built cleaning nozzle of swingable counter 19 to sand mold, platen and cleans.Pressure plate oil cylinder 11 is released and is promoted push type pressure plate assembly 17 and move ahead fast and push sand mold to mould assembly position, then slow pressurization mould assembly.Pressure plate oil cylinder 11 slow start drags push type pressure plate assembly 17 and returns the demoulding, the desired location of die cavity is returned to fast after the demoulding, the floating sand of cleaning nozzle to die cavity, platen that gas circuit controls push type pressure plate assembly 17 in-built simultaneously cleans, and gas circuit controls the air cushion minimizing pressure plate of push type pressure plate assembly 11 bottom and the frictional force of platen.Carry out moulding next time.Automatic moulding machine works according to this mode continuous, completes continual moulding and produces.
Claims (1)
1. a vertical-parting box-less shoot squeeze automatic molding machine for clay sand, comprise by fuel tank, the support of base composition, support is provided with mold cavities room successively, Jia Shashe sand mechanism, moulding push type mechanism, sand mold pressure holding mechanism, die cavity switch switching mechanism and hydraulic system, air-channel system, centralized lubricating system and electric control system, described automatic moulding machine is provided with counter swing link mechanism, fast rapid fire sand system and quick liquid filling valve group, described counter swing link mechanism (21) is connected with swingable counter (19), it is characterized in that the sealed sides of described swingable counter (19) comprises inner seal cover plate (31) and outer side seal cover plate (32), described inner seal cover plate (31) and outer side seal cover plate (32) are by O shape elastic sealing plunger piston (29), Ω shape sealing ring (30) is fixed on cover plate (33) and counter body (34), and O shape elastic sealing plunger piston 29 is bearing in Ω shape sealing ring 30, multiple ventilation air flue is manufactured with at the faying face of cover plate (33) and counter body (34), the end of described ventilation air flue communicates with the inner chamber of Ω shape sealing ring (30), described fast rapid fire sand system comprises penetrates sand shaped Nozzles body (16) and is fixed on the sand hopper (15) penetrated on sand shaped Nozzles body, be equipped with at sand hopper (15) middle part and penetrate sand Pneumatic valve (12), knockout valve (14) is equipped with at top, described knockout valve (14) is equipped with hopper air bleeding valve (13), the sand-falling port side of described knockout valve (14) is supported by valve cover (27), sealing gland (25), sealing support ring (28) clamping, the W shape sealing ring (26) made by polyurethane material is fixed, described sealing ring is made to be fitted on the spherical flashboard of tiles (24), and between W shape sealing ring (26) and the spherical flashboard of tiles (24), leave gap, valve cover (27) is manufactured with passage, after injecting air pressure, air pressure is held outside for W shape sealing ring (26) expansion tightly the spherical flashboard of tiles (24) and is sealed, to avoid sand grains generation external leakage in sandbox, described quick liquid filling valve group comprises prefill valve main valve plug (35), prefill valve pilot valve (36), prefill valve valve body (37), prefill valve spring (38) and proportional pilot valve (39), wherein prefill valve pilot valve (36) and the little volume annular seal space of prefill valve valve body (37) composition mould oscillating table design, the opening speed of SERVO CONTROL prefill valve main valve plug (35) is carried out by proportional pilot valve (39), promote prefill valve pilot valve (36) by prefill valve spring (38) during closedown and discharge the liquid controlling annular seal space fast, realize quick closedown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210503165.1A CN103433437B (en) | 2012-11-30 | 2012-11-30 | Vertical parting flaskless shoot-squeeze clay-bonded sand automatic molding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210503165.1A CN103433437B (en) | 2012-11-30 | 2012-11-30 | Vertical parting flaskless shoot-squeeze clay-bonded sand automatic molding machine |
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| CN103433437A CN103433437A (en) | 2013-12-11 |
| CN103433437B true CN103433437B (en) | 2015-07-01 |
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| CN115647287B (en) * | 2022-12-28 | 2023-03-21 | 保定维尔铸造机械股份有限公司 | Vertical parting flaskless shoot-squeeze molding machine |
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| CN2710794Y (en) * | 2004-06-07 | 2005-07-20 | 苏州工业园区明志铸造装备有限公司 | Cold-box core blower having multiple station |
| US7806161B2 (en) * | 2006-12-08 | 2010-10-05 | Thyssenkrupp Waupaca Inc. | Molding and casting machine |
| CN201720399U (en) * | 2010-06-10 | 2011-01-26 | 满城县永红铸造机械有限公司 | Vertical parting molding machine |
| CN102518822B (en) * | 2011-12-30 | 2013-07-17 | 启东市冶金机械有限公司 | Pressurizing sealing type glasses valve |
| CN102581229B (en) * | 2012-02-28 | 2013-11-06 | 满城县永红铸造机械有限公司 | Vertical parting molding machine |
| CN203044814U (en) * | 2012-11-30 | 2013-07-10 | 山西方盛液压机电设备有限公司 | Vertical parting flaskless shoot-squeeze automatic molding machine of clay sand |
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Effective date of registration: 20190507 Address after: 030600 Shanxi Jinzhong City Shanxi Comprehensive Reform Demonstration Zone Patentee after: Shanxi Haitel Heavy Industry Machinery Co., Ltd. Address before: 030600 No. 8 Pioneer Road, Yuci Industrial Park, Jinzhong City, Shanxi Province Patentee before: Shanxi Fangsheng Hydraulic and Electrical Equipment Co.,Ltd. |