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CN100569409C - Hydraulic forming equipment - Google Patents

Hydraulic forming equipment Download PDF

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Publication number
CN100569409C
CN100569409C CNB2007101904357A CN200710190435A CN100569409C CN 100569409 C CN100569409 C CN 100569409C CN B2007101904357 A CNB2007101904357 A CN B2007101904357A CN 200710190435 A CN200710190435 A CN 200710190435A CN 100569409 C CN100569409 C CN 100569409C
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CN
China
Prior art keywords
piston
cylinder
liquid storage
cylinder barrel
liquid
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Expired - Fee Related
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CNB2007101904357A
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Chinese (zh)
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CN101168179A (en
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庄添财
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Individual
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Individual
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Priority to CNB2007101904357A priority Critical patent/CN100569409C/en
Publication of CN101168179A publication Critical patent/CN101168179A/en
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Publication of CN100569409C publication Critical patent/CN100569409C/en
Expired - Fee Related legal-status Critical Current
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Abstract

一种液压成形设备,包括用于向被加工件供应液体的增压装置,增压装置包括用于将低压液体增压至高压液的增压机构、用于向增压机构提供动力的驱动机构;增压机构包括第一缸筒、端部可滑动的插在第一缸筒内部的第一活塞,第一活塞与第一缸筒的内壁相密闭连接,第一活塞与第一缸筒的部分内壁之间形成有储液腔,第一缸筒上设置有一个与储液腔相连通的出口,出口的横截面积小于储液腔的横截面积,第一活塞与驱动机构相传动连接;驱动机构包括电机、螺杆、与螺杆相啮合的螺母,螺杆和螺母两个部件中的任意一个与电机相传动连接,另一个的运动方向与第一活塞相传动连接。是一种带有自锁系统、便于控制的增压装置,很好的保证了液压加工过程中工件的质量。

A hydroforming device, comprising a pressurization device for supplying liquid to a workpiece, the pressurization device includes a pressurization mechanism for pressurizing the low-pressure liquid to a high-pressure liquid, a drive mechanism for providing power to the pressurization mechanism The supercharging mechanism includes a first cylinder, a first piston whose end is slidably inserted in the first cylinder, the first piston is airtightly connected with the inner wall of the first cylinder, and the first piston is connected with the inner wall of the first cylinder. A liquid storage chamber is formed between part of the inner walls, and an outlet communicating with the liquid storage chamber is provided on the first cylinder, the cross-sectional area of the outlet is smaller than that of the liquid storage chamber, and the first piston is connected to the driving mechanism in transmission ; The driving mechanism includes a motor, a screw, and a nut engaged with the screw, any one of the two parts of the screw and the nut is connected to the motor, and the other is connected to the first piston in a moving direction. It is an easy-to-control booster device with a self-locking system, which ensures the quality of the workpiece during hydraulic machining.

Description

Hydraulic forming equipment
Technical field
The present invention designs a kind of hydraulic forming equipment.
Background technology
Supercharging device in the existing hydraulic forming equipment adopts the pressure increase that will be hanged down hydraulic fluid by the mode of driven by motor high-low pump, and the high pressure liquid of output is driven into carries out expander in the pipe fitting.This supercharging device, the power of consumption is very big, and because high and low press pump is not very sensitive for speed with starting the control that stops, having influenced the crudy of pipe fitting.
Summary of the invention
The object of the present invention is to provide a kind of hydraulic forming equipment that has supercharging device self-locking system, that be convenient to control, this supercharging device has well guaranteed the quality of workpiece in the hydraulic pressure process.
For achieving the above object, the technical solution adopted in the present invention is:
A kind of hydraulic forming equipment, it comprises main cylinder pressure, be arranged on finishing die, the separation of main cylinder pressure below the liftout cylinder that is arranged on the finishing die below, be arranged on liftout cylinder top workbench, be arranged on the workbench both sides thrust device, be used for supercharging device to work piece supply liquid, it is characterized in that:
Supercharging device comprise be used for low pressure liquid be pressurized to high pressure liquid booster body, be used for providing the driving mechanism of power to booster body;
Booster body comprises that first cylinder barrel, an end slidably are inserted in the first piston of the first cylinder barrel inside, first piston and the mutually airtight connection of the inwall of first cylinder barrel, be formed with liquid storage cylinder between the part inwall of the first piston and first cylinder barrel, first cylinder barrel is provided with an outlet that is connected with liquid storage cylinder, the cross-sectional area of outlet is less than the cross-sectional area of liquid storage cylinder, and first piston is in transmission connection mutually with driving mechanism;
Driving mechanism comprises motor, screw rod, the nut that is meshed with screw rod, and any one in two parts of screw rod and nut is in transmission connection mutually with motor, and another the direction of motion is in transmission connection mutually with first piston.
Supercharging device also comprises a casing that is used for carrying to liquid storage cylinder liquid, the setting that casing is connected with liquid storage cylinder.Motor is a servomotor.
Because the employing of technique scheme, the present invention compared with prior art has the following advantages:
Design and manufacture a kind of hydraulic forming equipment that has the supercharging device different, and reached technique effect same as the prior art with conventional art;
Adopted servomotor, high pressure liquid fluid speed is relevant with rotating speed of motor, and servomotor is a kind of control and feedback device accurately, and it also can well be controlled and begins and the concluding time;
The plunger booster system that has been in transmission connection on the output of servomotor is a kind of pressure charging system of being convenient to control;
Increased by screw rod and nut and formed propulsive mechanism, on the basis of above-mentioned booster body, increased auto-lock function, when servomotor stops operating, the propulsive mechanism that is used to connect servomotor and booster body is self-locking in the state that stops eve, like this, the pressure on the booster body not because of servomotor stop to reduce pressure, guaranteed the fluid quality of high pressure liquid.
Description of drawings
Accompanying drawing 1 is a front view of the present invention, has provided the annexation of each several part;
Accompanying drawing 2 is a side view of the present invention, has provided the annexation of supercharging device and shaped by fluid pressure equipment;
Accompanying drawing 3 is the front view of supercharging device part of the present invention, has provided the annexation of each part of the present invention;
Accompanying drawing 4 has provided a kind of embodiment that more has of supercharging device part of the present invention;
Wherein:
1, driving mechanism; 11, motor; 121, screw rod; 122, nut; 13, deceleration device; 14, chain
2, booster body; 21, passage; 22, first cylinder barrel; 23, second cylinder barrel; 24, oil through; 25, first piston; 26, second piston; 27, liquid storage cylinder; 29, outlet;
3, the 3rd piston; 31, push rod; 4, casing;
5, high pressure liquid derives parts;
61, main cylinder pressure; 62, finishing die; 63, liftout cylinder; 64, workbench; 65, thrust device; 66, supercharging device.
The specific embodiment
A kind of hydraulic forming equipment, comprise main cylinder pressure 61, be arranged on main cylinder pressure 61 belows finishing die 62, the liftout cylinder 63 that is arranged on finishing die 62 belows that separates, be arranged on liftout cylinder 63 tops workbench 64, be arranged on workbench 64 both sides thrust device 65, be used for supercharging device 66 to work piece supply liquid, supercharging device 66 comprise be used for low pressure liquid be pressurized to high pressure liquid booster body 2, be used for providing the driving mechanism 1 of power to booster body 2;
Booster body 2 comprises that first cylinder barrel 22, an end slidably are inserted in the first piston 25 of first cylinder barrel, 22 inside, first piston 25 and the mutually airtight connection of the inwall of first cylinder barrel 22, be formed with liquid storage cylinder 27 between the part inwall of the first piston 25 and first cylinder barrel, first cylinder barrel 22 is provided with an outlet 29 that is connected with liquid storage cylinder 27, the cross-sectional area of outlet 29 is less than the cross-sectional area of liquid storage cylinder 27, and first piston 25 is in transmission connection mutually with driving mechanism 1;
Driving mechanism 1 comprises motor 11, screw rod 121, the nut 122 that is meshed with screw rod 121, and any one in 122 two parts of screw rod 121 and nut is in transmission connection mutually with motor 11, and another the direction of motion is in transmission connection mutually with first piston 25.Motor 11 is a servomotor.
Supercharging device 66 also comprises a casing 4 that is used for carrying to liquid storage cylinder 27 liquid, the setting that casing 4 is connected with liquid storage cylinder 27.
The liquid storage of liquid storage cylinder 27 partly is connected with a high pressure liquid and derives parts 5, and in the present embodiment, high pressure liquid derives the mode and outlet 29 settings that are connected that parts 5 adopt unidirectional conducting, will output to processed parts through the liquid of booster body supercharging.
As preferred embodiment, between first piston 25 and propulsive mechanism 12, also be provided with following mechanism:
Second cylinder barrel 23 of the setting that is connected with first cylinder barrel 22, sealing and slidably be arranged on second piston 26 and the 3rd piston 3 of second cylinder barrel, 23 inside, second piston 26 is fixedly connected with first piston 25, and the 3rd piston 3 is connected with nut 122 by push rod 31.Sealing is provided with fluid between second piston 26 and the 3rd piston 3.The part with the 3rd piston 3 homonymies of second cylinder barrel 23 is provided with a passage 21, be used for gas is fed in the chamber of the 3rd piston 3 one sides, the part with second piston, 26 homonymies of second cylinder barrel 23 is provided with an oil through 24, be used for fluid is imported in the chamber of homonymy, this part fluid has played the effect of lubricated and sealing.
Casing 4 comprises a low hydraulic fluid introduction part part that is provided with liquid storage cylinder 27 unidirectional conductings.In the present embodiment, the setting that low hydraulic fluid introduction part part and pore 29 link, low hydraulic fluid imports liquid storage cylinder 27 by low hydraulic fluid introduction part part and pore 29.
As preferred embodiment, the present invention can also realize two-stage supercharging in the following ways:
The part that is positioned at second piston, 26 right sides of second cylinder barrel 23 is decreased to the cross-sectional area that be positioned at three piston 3 left part of cross-sectional area less than second cylinder barrel 23, like this, on the basis of above-mentioned supercharging device, has realized two-stage supercharging.

Claims (3)

1, a kind of hydraulic forming equipment, it comprises main cylinder pressure (61), be arranged on the finishing die (62) of described main cylinder pressure (61) below, the liftout cylinder (63) that is arranged on described finishing die (62) below that separates, be arranged on the workbench (64) of described liftout cylinder (63) top, be arranged on the thrust device (65) of described workbench (64) both sides, be used for the supercharging device (66) to work piece supply highly pressurised liquid, described supercharging device (66) comprises the booster body (2) that is used for low pressure liquid is pressurized to high pressure liquid, be used for providing the driving mechanism (1) of power to described booster body (2);
Described booster body (2) comprises first cylinder barrel (22), an end slidably is inserted in the inner first piston (25) of described first cylinder barrel (22), the mutually airtight connection of inwall of described first piston (25) and described first cylinder barrel (22), be formed with liquid storage cylinder (27) between the part inwall of described first piston (25) and described first cylinder barrel (22), described first cylinder barrel (22) is provided with an outlet (29) that is connected with described liquid storage cylinder (27), the cross-sectional area of described outlet (29) is less than the cross-sectional area of described liquid storage cylinder (27), and described first piston (25) is in transmission connection mutually with described driving mechanism (1);
Described driving mechanism (1) comprises motor (11), a screw rod (121), the nut (122) that is meshed with described screw rod (121), described screw rod (121) is in transmission connection mutually with described motor (11), and described nut (122) is in transmission connection mutually with described first piston (25);
It is characterized in that: between described first piston (25) and driving mechanism (1), also be provided with the setting that is connected with described first cylinder barrel (22) second cylinder barrel (23), seal and be slidably disposed on described second cylinder barrel (23) inner second piston (26) and the 3rd piston (3), described second piston (26) and first piston (25) are fixedly connected, described the 3rd piston (3) is in transmission connection mutually with described nut (122), and between described second piston (26) and the 3rd piston (3) sealing be provided with fluid.
2, hydraulic forming equipment according to claim 1, it is characterized in that: described supercharging device (66) also comprises a casing (4) that is used for carrying to described liquid storage cylinder (27) liquid, the setting that described casing (4) is connected with described liquid storage cylinder (27).
3, hydraulic forming equipment according to claim 1 is characterized in that: described motor (11) is a servomotor.
CNB2007101904357A 2007-11-23 2007-11-23 Hydraulic forming equipment Expired - Fee Related CN100569409C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2007101904357A CN100569409C (en) 2007-11-23 2007-11-23 Hydraulic forming equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2007101904357A CN100569409C (en) 2007-11-23 2007-11-23 Hydraulic forming equipment

Publications (2)

Publication Number Publication Date
CN101168179A CN101168179A (en) 2008-04-30
CN100569409C true CN100569409C (en) 2009-12-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2007101904357A Expired - Fee Related CN100569409C (en) 2007-11-23 2007-11-23 Hydraulic forming equipment

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CN (1) CN100569409C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6196524B2 (en) * 2013-10-22 2017-09-13 株式会社スギノマシン Hydraulic pipe expansion device
CN106623579B (en) * 2016-10-08 2018-07-24 济南大学 Interior high-pressure molding pressing device
CN106523442B (en) * 2016-11-10 2018-03-06 郑州磨料磨具磨削研究所有限公司 The spiral servo pressurization device of super-pressure
CN107052122A (en) * 2017-03-29 2017-08-18 佛山市永恒液压机械有限公司 A kind of hydraulic pressure water swelling forming machine
CN106984702B (en) * 2017-05-24 2018-09-07 南昌航空大学 A kind of internal high pressure forming and the device and method for pushing away o ing
CN107088603B (en) * 2017-06-05 2019-08-02 佛山市永恒液压机械有限公司 A kind of internal high-pressure forming machine
CN113500129A (en) * 2021-07-19 2021-10-15 广东劦力智能科技有限公司 High-pressure one-step forming machine in tubular product
CN114321031B (en) * 2021-12-30 2022-08-26 广州晶品智能压塑科技股份有限公司 Intelligent stepping boosting oil cylinder

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Publication number Publication date
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Granted publication date: 20091216

Termination date: 20131123