CN2653196Y - Mold closing composite oil cylinder for die casting machine - Google Patents

Mold closing composite oil cylinder for die casting machine Download PDF

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Publication number
CN2653196Y
CN2653196Y CN 03237446 CN03237446U CN2653196Y CN 2653196 Y CN2653196 Y CN 2653196Y CN 03237446 CN03237446 CN 03237446 CN 03237446 U CN03237446 U CN 03237446U CN 2653196 Y CN2653196 Y CN 2653196Y
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CN
China
Prior art keywords
cylinder
supercharging
piston rod
booster
casting machine
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Expired - Fee Related
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CN 03237446
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Chinese (zh)
Inventor
雷开运
石端伟
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Wuhan University WHU
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Wuhan University WHU
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Publication of CN2653196Y publication Critical patent/CN2653196Y/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to a combined complex oil cylinder in a pressure die casting machine, which is characterized in that: the utility model comprises a supercharging cylinder(2), a secondary supercharging cylinder(5),a secondary supercharging cylinder(6), a main piston bar(12), a rapid moving cylinder piston bar(11),an one-off supercharging cylinder(1),a rapid moving module cylinder(3), a one-off supercharging cylinder(2), a holding cylinder piston bar(16) and a holding cylinder(4); wherein the one end of the main piston bar(12) is positioned in the one-off supercharging cylinder(1)of the one-off supercharging cylinder(2), while the other end is positioned in the secondary supercharging cylinder(6) of the secondary supercharging cylinder(5); one end of the moving cylinder piston bar(11) is positioned in the rapid moving module cylinder(3), while the other end pierces the rapid moving cylinder piston bar hole of the one-off supercharging cylinder(2)first and then is connected to the one-off supercharging cylinder(2); and one end of the holding cylinder piston bar(16) is positioned in the holding cylinder(4), while the other end pierces the holding cylinder piston bar hole of the secondary supercharging cylinder(5). The utility has four cylinders, the secondary supercharging cylinder and the holding cylinder mutually lock, thus is simple in structure, stable in moving, reliable in operation, large in output force, small in power consumption; moreover, the utility model is an energy saving wholly hydraulic style pressure die casting machine combined oil cylinder.

Description

Die casting machine matched moulds composite oil cylinder
Technical field
The utility model relates to a kind of oil cylinder, relates to the oil cylinder of the locking mechanism in casting machine of plastic shaping and specialty metal moulding in the modern mechanical manufacturing specifically.
Background technique
In the forming materials manufacturing industry, no matter be injection machine or die casting machine, closing mould mechanism is one of topmost mechanism in the Die casting machine.The size of mold clamping force, the quality and the output of motion of mechanism speed, kinematic accuracy and reciprocating frequence direct relation molding product.At present, locking mechanism in casting machine generally is divided into two big classes; One class is a hydraulic pressure crank connecting rod mechanism, and it is under the promotion of oil hydraulic cylinder, does the amplification of power by crank connecting rod mechanism, and crank connecting rod is stretched, and enters self-locking state, with mold-locked.This mechanism hinge is more, structure is comparatively complicated, adjust, locate very inconvenient, often caused the location, cause whole crank connecting rod mechanism can not carry out plane motion accurately, the center line that breaks away from mold clamping force, even increase the weight of the wearing and tearing of mechanism because of producing uneven resiliently deformable, cause the fracture of members such as pull bar, template, bearing pin at last.Second class is the full hydraulic closing mould mechanism, and it is under the effect of hydraulic coupling, directly carries out matched moulds with the cylinder pushes closing mould mechanism, this mechanism kinematic steadily, accurate positioning, reliable operation, and the life-span is long, has remedied the deficiency of crank connecting rod mechanism significantly.But the full hydraulic closing mould mechanism of producing is subjected to the restriction of structure, volume at present, can not use in the large-tonnage die casting machine, and be difficult to seriation, standardization.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, proposes a kind of simple in structure, secondary booster, four cylinder one, but and seriation, standardized full hydraulic die casting machine matched moulds composite oil cylinder.
To achieve these goals, the technical solution of the utility model is: die casting machine matched moulds composite oil cylinder, it is characterized in that: comprise supercharging cylinder body 2, secondary booster cylinder body 5, main piston rod 12, fast moving cylinder piston rod 11, liftout tank piston rod 16, one end of main piston rod 12 is arranged in a pressurized cylinder 1 of a supercharging cylinder body 2, and the other end is positioned at the secondary booster cylinder 6 of secondary booster cylinder body 5; One end of main piston rod 12 is provided with rapid mould-moving cylinder 3, and the other end is provided with liftout tank 4, and an end of fast moving cylinder piston rod 11 is positioned at rapid mould-moving cylinder 3, and the other end passes the fast moving cylinder piston rod hole on the supercharging cylinder body 2 one time, and fixedlys connected with a supercharging cylinder body 2; One end of liftout tank piston rod 16 is positioned at liftout tank 4, and the other end passes the liftout tank piston rod hole on the secondary booster cylinder body 5.
As shown in Figure 1, in the composite oil cylinder, two outer cylinder diameters are bigger, so their thrust is also bigger, is used for supercharging and locked mode.Wherein a piston stroke is longer, with strokes such as rapid mould-moving cylinders, is used for a supercharging behind the matched moulds; The another piston stroke is shorter, is used for secondary booster, realizes large-tonnage matched moulds and locked mode.Two inner cylinder diameters are less, and wherein one is used for rapid mould-moving, as long as it overcomes the frictional force between template weight and guide rail, will deactivate in case finish mould-closing stroke, so its required pressure and flow are also all less.
The size of mold clamping force has determined the size of die casting tonnage, though two straight footpaths of large tank are bigger, their all beginning superchargings after finishing mould-closing stroke that is to say that they do not need very big flow, only need elevated pressures, thereby the power that consumes are also less.Say thus it be a kind of simple in structure, motion steadily, reliable operation, the energy-saving machine matched moulds composite oil cylinder very big, that power is very little of exerting oneself.
The utility model is in the modern mechanical manufacturing field, is a kind ofly developing and perfect forming materials technology the closing mould mechanism in injection moulding and the die casting machinery.It is in not changing traditional die casting equipment; internationalized and the template size of the series model that domesticizes; composite oil cylinder and template are integrated; simplified the structure of oil cylinder; increase the die casting mould clamping force; prolong mechanism working life, improved robust motion and functional reliability, also satisfied the requirement of the required mold clamping force of all kinds of type closing mould mechanisms.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is the structural representation that the utility model is used in locking mechanism in casting machine
Among the figure: 1. pressurized cylinder; 2. a supercharging cylinder body (rear pattern plate); 3. rapid mould-moving cylinder; 4. liftout tank; 5. secondary booster cylinder body (moving pattern plate); 6. secondary booster cylinder; 7. guide pillar; 8. front template; 9. liquid-filling valve; 10. secondary booster valve; 11. fast moving cylinder piston rod; 12. main piston rod; 13. supercharging cylinder cap; 14. secondary booster cylinder cap; 15. eject cylinder cap; 16. liftout tank piston rod; 17. cylinder cap; 18. positioning block.
Embodiment
Die casting machine matched moulds composite oil cylinder, it comprises supercharging cylinder body 2, secondary booster cylinder body 5, main piston rod 12, fast moving cylinder piston rod 11, liftout tank piston rod 16, supercharging cylinder cap 13, secondary booster cylinder cap 14.One end of main piston rod 12 is positioned at a pressurized cylinder 1 of a supercharging cylinder body 2, and is fixedlyed connected and slipper seal with a supercharging cylinder body 2 by a supercharging cylinder cap 13; The other end of main piston rod 12 is positioned at the secondary booster cylinder 6 of secondary booster cylinder body 5, and is fixedlyed connected and slipper seal with secondary booster cylinder body 5 by secondary booster cylinder cap 14; The stroke of a pressurized cylinder 1 is greater than the stroke of secondary booster cylinder 6.Be provided with rapid mould-moving cylinder 3 in one end of main piston rod 12, be provided with liftout tank 4 in the other end, one end of fast moving cylinder piston rod 11 is positioned at the rapid mould-moving cylinder 3 of main piston rod 12, the other end passes the fast moving cylinder piston rod hole on the supercharging cylinder body 2 one time, and, fixedly connected with a supercharging cylinder body 2 by cylinder cap 17 by positioning block 18 location; One end of liftout tank piston rod 16 is positioned at the liftout tank 4 of main piston rod 12, and the other end passes the liftout tank piston rod hole on the secondary booster cylinder body 5, and fixedlys connected and slipper seal with secondary booster cylinder body 5 by ejecting cylinder cap 15; The diameter of rapid mould-moving cylinder 3, liftout tank 4 is less than the diameter of pressurized cylinder 1 or secondary booster cylinder 6, and the stroke of rapid mould-moving cylinder 3 is greater than the stroke of liftout tank 4.The two ends of a pressurized cylinder 1 are respectively equipped with oil inlet and outlet b, oil inlet and outlet c, oil inlet and outlet b, oil inlet and outlet c are connected with liquid-filling valve 9 by pipeline respectively, fast moving cylinder piston rod 11 is provided with oil inlet and outlet a and communicates with rapid mould-moving cylinder 3, the two ends of secondary booster cylinder 6 are respectively equipped with oil inlet and outlet d, oil inlet and outlet e, oil inlet and outlet d, oil inlet and outlet e are connected with secondary booster valve 10 by pipeline respectively, and liftout tank 4 communicates with oil inlet and outlet d, oil inlet and outlet e respectively.Supercharging cylinder cap 13, a secondary booster cylinder cap 14, eject cylinder cap 15 and be provided with seal ring; One end of the two ends of main piston rod 12, liftout tank piston rod 16 is a piston, and piston is provided with seal ring.
Working principle:
The matched moulds composite oil cylinder is used in locking mechanism in casting machine, and as shown in Figure 2: supercharging cylinder body is the rear pattern plate in the locking mechanism in casting machine, and the secondary booster cylinder body is the moving pattern plate in the locking mechanism in casting machine.Have the guide pillar hole on a supercharging cylinder body (rear pattern plate) 2, secondary booster cylinder body (moving pattern plate) 5, the front template 8, guide pillar 7 passes the guide pillar hole on a supercharging cylinder body (rear pattern plate) 2, secondary booster cylinder body (moving pattern plate) 5, the front template 8, the one end is fixedlyed connected with a supercharging cylinder body (rear pattern plate) 2, and the other end is fixedlyed connected with front template 8.
During matched moulds, pressure oil at first enters rapid mould-moving cylinder 3, the oil-feed of a mouth, oil-filled in cylinder 3 chambeies, promote the piston fast moving, because piston rod is connected with the back mould, can not outwards move, force cylinder 1 relative cylinder 3 to move forward, meanwhile, cylinder 1 big chamber forms negative pressure when mobile, it is oil-filled to cylinder 1 big chamber that liquid-filling valve 9 is opened by the b mouth, the flow required owing to cylinder 1 big chamber is very big, draws so oil charge valve one end directly leads to fuel tank with footpath at a gulp oil pipe, satisfies the requirement of the required flow of quick closing cylinder 1 constant speed movement.After mould put closure in place, fluid had been full of cylinder 1 big chamber, and liquid-filling valve 9 cuts out, and was continued toward cylinder 1 fuel feeding by oil pump, and oil pressure just rises rapidly, reaches a supercharging.When oil pressure continues to rise to certain pressure, back down secondary booster valve 10, pressure oil enters the big chamber of secondary booster cylinder 6 from the e mouth, because cylinder 1 and cylinder 6 are two cylinders of common piston rod, so the piston pressure of two cylinder all acts on the moving pattern plate 5, make moving pattern plate with very big mold clamping force with mold cramping, and with the locking of this pressure.
In secondary booster, because cylinder 4 and cylinder 6 are common oil inlet and outlet d, e, the pressure oil that the e mouth enters has entered the rod chamber of liftout tank 4 simultaneously, makes the liftout tank loculus also be the matched moulds reinforcement, avoid in the matched moulds process cylinder 4 mistakes to eject phenomenon simultaneously, also realized matched moulds and the interlocking that ejects action.
During die sinking, pressure oil enters cylinder 1 rod chamber from the c mouth, because the area of loculus is less, as long as can overcome sticking to mould power, moving pattern plate 5 returns, and makes simultaneously to produce malleation, oil return in rapid mould-moving cylinder 3 and the cylinder 1 big chamber, finishes the opening stroke action.
With the suitable all-hydraulic closing mould mechanism of composite oil cylinder of the present utility model, be not only applicable to die casting machine, the injection machine of various serial tonnages from small to large, and also all very suitable to dissimilar press machinees, cut-off machine and punching equipment.It is not only a kind of pressure mechanism of all-hydraulicization, and the convenience in the control is provided for digitizing, the automation of various press.

Claims (7)

1. die casting machine matched moulds composite oil cylinder, it is characterized in that: comprise a supercharging cylinder body (2), secondary booster cylinder body (5), main piston rod (12), fast moving cylinder piston rod (11), liftout tank piston rod (16), one end of main piston rod (12) is arranged in a pressurized cylinder (1) of a supercharging cylinder body (2), and the other end is positioned at the secondary booster cylinder (6) of secondary booster cylinder body (5); One end of main piston rod (12) is provided with rapid mould-moving cylinder (3), the other end is provided with liftout tank (4), one end of fast moving cylinder piston rod (11) is positioned at rapid mould-moving cylinder (3), and the other end passes the fast moving cylinder piston rod hole on the supercharging cylinder body (2), and fixedlys connected with a supercharging cylinder body (2); One end of liftout tank piston rod (16) is positioned at liftout tank (4), and the other end passes the liftout tank piston rod hole on the secondary booster cylinder body (5).
2. die casting machine matched moulds composite oil cylinder according to claim 1, it is characterized in that: the diameter of rapid mould-moving cylinder (3), liftout tank (4) is less than the diameter of a pressurized cylinder (1) or secondary booster cylinder (6), and the stroke of rapid mould-moving cylinder (3) is greater than the stroke of liftout tank (4); The two ends of a pressurized cylinder (1) are respectively equipped with oil inlet and outlet (b), oil inlet and outlet (c), rapid mould-moving cylinder (3) is provided with oil inlet and outlet (a), the two ends of secondary booster cylinder (6) are respectively equipped with oil inlet and outlet (d), oil inlet and outlet (e), and liftout tank (4) communicates with oil inlet and outlet (d), oil inlet and outlet (e) respectively.
3. die casting machine matched moulds composite oil cylinder according to claim 1 is characterized in that: the stroke of a pressurized cylinder (1) is greater than the stroke of secondary booster cylinder (6).
4. die casting machine matched moulds composite oil cylinder according to claim 1, it is characterized in that: described fast moving cylinder piston rod (11) is fixedly connected as positioning block (18) location with a supercharging cylinder body (2), cylinder cap (17) is positioned at outside the positioning block (18), and is fixedlyed connected with a supercharging cylinder body (2) by cylinder cap (17).
5. die casting machine matched moulds composite oil cylinder according to claim 1, it is characterized in that: a supercharging cylinder cap (13) is fixedlyed connected with a supercharging cylinder body (2), secondary booster cylinder cap (14) is fixedlyed connected with secondary booster cylinder body (5), eject cylinder cap (15) and fixedly connected, a described supercharging cylinder cap (13), secondary booster cylinder cap (14), eject cylinder cap (15) and be provided with seal ring with secondary booster cylinder body (5).
6. die casting machine matched moulds composite oil cylinder according to claim 1 is characterized in that: an end of the two ends of described main piston rod (12), liftout tank piston rod (16) is a piston, and piston is provided with seal ring.
7. die casting machine matched moulds composite oil cylinder according to claim 1 is characterized in that: described fast moving cylinder piston rod (11) is provided with oil inlet and outlet (a) and communicates with rapid mould-moving cylinder (3).
CN 03237446 2003-09-22 2003-09-22 Mold closing composite oil cylinder for die casting machine Expired - Fee Related CN2653196Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03237446 CN2653196Y (en) 2003-09-22 2003-09-22 Mold closing composite oil cylinder for die casting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03237446 CN2653196Y (en) 2003-09-22 2003-09-22 Mold closing composite oil cylinder for die casting machine

Publications (1)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100510428C (en) * 2006-02-16 2009-07-08 袁华梓 Supercharging oil cylinder
CN102287415A (en) * 2011-09-01 2011-12-21 无锡市长江液压缸厂 Rapid air inlet hydraulic cylinder
CN102357969A (en) * 2011-06-30 2012-02-22 蚌埠市振中橡塑制品有限公司 Sub-cylinder structure of front pushing-out mold hot pressing and forming machine
CN102962427A (en) * 2012-11-15 2013-03-13 汪俊成 Mold assembly oil cylinder for die casting machine
CN102257302B (en) * 2008-12-19 2013-10-23 Bsh博世和西门子家用电器有限公司 Water valve and household refrigeration unit
CN103362892A (en) * 2013-07-23 2013-10-23 云南兴长江实业有限公司 Double-acting high-thrust-output hydraulic oil cylinder
CN103498828A (en) * 2013-09-23 2014-01-08 南京贝奇尔机械有限公司 Rapid shifting large-tonnage oil cylinder integrated with machine frame
CN104196813A (en) * 2014-07-25 2014-12-10 江苏佳晨华科机械技术研究院有限公司 Fast die closingoil cylinder used for high-speed die-casting machine
CN104214165A (en) * 2014-04-25 2014-12-17 东南大学 Double-port supporting locking oil cylinder and control method of double-port supporting locking oil cylinder
CN104999631A (en) * 2015-07-23 2015-10-28 广州一道注塑机械有限公司 Multi-ejection type injection molding mold ejection mechanism with main oil cylinder and auxiliary oil cylinder
CN105058554A (en) * 2015-07-31 2015-11-18 江苏腾宇机械制造有限公司 Oil cylinder assembly and full-automatic two-way pressurizing hydraulic brick press with same
CN106194885A (en) * 2016-08-31 2016-12-07 徐州徐工挖掘机械有限公司 A kind of multiaction power multi-speed oil cylinder
CN106593988A (en) * 2017-01-25 2017-04-26 宁波海天金属成型设备有限公司 Oil return structure of injection oil cylinder
CN108050123A (en) * 2017-11-29 2018-05-18 重庆维庆液压机械有限公司 Two-way Hydraulic Cylinder
CN108679009A (en) * 2018-07-19 2018-10-19 江苏师范大学 A kind of pressurized cylinder and control method that can change pressure ratio at double

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100510428C (en) * 2006-02-16 2009-07-08 袁华梓 Supercharging oil cylinder
CN102257302B (en) * 2008-12-19 2013-10-23 Bsh博世和西门子家用电器有限公司 Water valve and household refrigeration unit
CN102357969A (en) * 2011-06-30 2012-02-22 蚌埠市振中橡塑制品有限公司 Sub-cylinder structure of front pushing-out mold hot pressing and forming machine
CN102287415A (en) * 2011-09-01 2011-12-21 无锡市长江液压缸厂 Rapid air inlet hydraulic cylinder
CN102962427A (en) * 2012-11-15 2013-03-13 汪俊成 Mold assembly oil cylinder for die casting machine
CN103362892A (en) * 2013-07-23 2013-10-23 云南兴长江实业有限公司 Double-acting high-thrust-output hydraulic oil cylinder
CN103498828B (en) * 2013-09-23 2016-02-10 南京贝奇尔机械有限公司 A kind of fast offset large-tonnage oil cylinder of the one with frame
CN103498828A (en) * 2013-09-23 2014-01-08 南京贝奇尔机械有限公司 Rapid shifting large-tonnage oil cylinder integrated with machine frame
CN104214165A (en) * 2014-04-25 2014-12-17 东南大学 Double-port supporting locking oil cylinder and control method of double-port supporting locking oil cylinder
CN104196813A (en) * 2014-07-25 2014-12-10 江苏佳晨华科机械技术研究院有限公司 Fast die closingoil cylinder used for high-speed die-casting machine
CN104999631B (en) * 2015-07-23 2018-03-27 广州一道注塑机械股份有限公司 Major-minor primary and secondary two-stage oil cylinder multi-push injection mold pushing mechanism
CN104999631A (en) * 2015-07-23 2015-10-28 广州一道注塑机械有限公司 Multi-ejection type injection molding mold ejection mechanism with main oil cylinder and auxiliary oil cylinder
CN105058554A (en) * 2015-07-31 2015-11-18 江苏腾宇机械制造有限公司 Oil cylinder assembly and full-automatic two-way pressurizing hydraulic brick press with same
CN106194885A (en) * 2016-08-31 2016-12-07 徐州徐工挖掘机械有限公司 A kind of multiaction power multi-speed oil cylinder
CN106593988A (en) * 2017-01-25 2017-04-26 宁波海天金属成型设备有限公司 Oil return structure of injection oil cylinder
CN106593988B (en) * 2017-01-25 2018-09-25 宁波海天金属成型设备有限公司 A kind of oil-returning structure of injection oil cylinder
CN108050123A (en) * 2017-11-29 2018-05-18 重庆维庆液压机械有限公司 Two-way Hydraulic Cylinder
CN108050123B (en) * 2017-11-29 2019-04-12 重庆维庆液压机械有限公司 Two-way Hydraulic Cylinder
CN108679009A (en) * 2018-07-19 2018-10-19 江苏师范大学 A kind of pressurized cylinder and control method that can change pressure ratio at double

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