CN103470569B - Short stroke Ultra-Low Speed cylinder - Google Patents
Short stroke Ultra-Low Speed cylinder Download PDFInfo
- Publication number
- CN103470569B CN103470569B CN201310456000.8A CN201310456000A CN103470569B CN 103470569 B CN103470569 B CN 103470569B CN 201310456000 A CN201310456000 A CN 201310456000A CN 103470569 B CN103470569 B CN 103470569B
- Authority
- CN
- China
- Prior art keywords
- plunger
- cylinder
- rubber moulding
- cylinder body
- slide block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Actuator (AREA)
Abstract
The present invention relates to a kind of short stroke Ultra-Low Speed cylinder, it comprises cylinder body, plunger, filler opening, oil outlet and slide block, cylinder body comprises cylinder bottom, casing wall and cylinder flange, it also comprises servocylinder, screw mandrel, glued membrane and spring pull bar, it is upper oil cavitie between plunger top and cylinder bottom, filler opening and oil outlet are contained in cylinder body both sides, seal ring is had between plunger and cylinder body, hollow cavity is had in plunger, plunger lower end is cylindrical groove, servocylinder is contained in hollow cavity, screw mandrel is contained in servocylinder lower end and passes hollow cavity lower end under screw mandrel, seal ring is equipped with in screw mandrel lower end and hollow cavity lower end, rubber moulding is contained in plunger lower end, have in rubber moulding between the cylindrical groove of cylindrical groove and plunger lower end and form lower oil cavitie, slide block is close in rubber moulding lower end, slide block, rubber moulding is positioned at cylinder body lower end, rubber moulding and between slide block and cylinder body casing wall, lining is housed, spring pull bar runs through cylinder flange and is contained in slide block lower end outside.Advantage operates steadily, controlled, and the precision of stroke and speed is high, and Ultra-Low Speed performance is good.
Description
Technical field
The present invention relates to low speed cylinder field, be specifically related to a kind of short stroke Ultra-Low Speed cylinder.
Background technique
Under Ultra-Low Speed state, very easily there is pulsation phenomenon (creep or buffet) in tradition oil cylinder center pillar plug (or piston) motion, even if usage ratio pump, servovalve etc. high-end hydraulic element, complicated hydraulic pressure and control system, be also difficult to ensure precision that Ultra-Low Speed lower plunger (or piston) moves, controlled and stable.
Summary of the invention
In order to solve the problem, the present invention proposes a kind of short stroke Ultra-Low Speed cylinder, simplicity of design, operates steadily, controlled, and the precision of stroke and speed is high, and Ultra-Low Speed performance is good.
In order to reach foregoing invention object, the present invention proposes following technological scheme:
Short stroke Ultra-Low Speed cylinder, it comprises cylinder body, plunger, filler opening, oil outlet and slide block, cylinder body comprises cylinder bottom, casing wall and cylinder flange, cylinder bottom is connected to casing wall upper end, cylinder flange is connected to casing wall lower end, short stroke Ultra-Low Speed cylinder also comprises servocylinder, screw mandrel, glued membrane and spring pull bar, plunger is arranged on cylinder interior, upper oil cavitie is formed between the cylinder bottom of plunger top and cylinder body upper end, filler opening and oil outlet are contained in cylinder body both sides respectively, between plunger and cylinder body, seal ring is housed, plunger is that hollow plunger and inside have hollow cavity, plunger lower end is the cylindrical groove of mouth down, servocylinder is arranged on inside hollow cavity, screw mandrel is connected to the hollow cavity lower end of in the middle of servocylinder lower end and screw mandrel lower end through plunger body, screw mandrel lower end and hollow cavity lower end are provided with seal ring, rubber moulding is contained in plunger lower end, mouth cylindrical groove is upward designed with in rubber moulding, the airtight lower oil cavitie filling hydraulic oil is formed between the cylindrical groove of cylindrical groove and plunger lower end, slide block is close in rubber moulding lower end, slide block, rubber moulding is also positioned at cylinder interior lower end, rubber moulding and be provided with lining between slide block and cylinder body casing wall, the cylinder flange that spring pull bar runs through cylinder body is arranged on slide block lower end outside.
Between described plunger and rubber moulding, joint is designed with sealing mechanism, and namely described plunger lower end is annular cutting, and rubber moulding upper end is annular slot, annular cutting is inserted in annular slot, be sealed and matched, and interior trim ring is equipped with in annular slot side i.e. inner side, outer trim ring is equipped with in opposite side i.e. outside.
Described lining is polytetrafluoroethylene bushing.
Advantage of the present invention is that servocylinder can precise hard_drawn tuhes screw mandrel thrust and stroke, is easy to be connected with PLC dispatch control system, realizes high-accuracy motion control; Short stroke Ultra-Low Speed cylinder, integrated hydraulic cylinder, servocylinder and isostatic pressed rubber moulding advantage separately, give full play to the good precision drive of servocylinder and control advantage, utilize again the characteristic of rubber moulding under high pressure flexible stepless expansion simultaneously, avoid creeping and buffeting of conventional hydraulic, provide Ultra-Low Speed power that is lasting, stable, precise hard_drawn tuhes; Short stroke Ultra-Low Speed cylinder can be used for the extraordinary forging equipments such as (standard) isothermal forging, low speed die casting, powder metal forging, mould bedding-in, food sterilization, and overall structure according to equipment and technics needs, also can be able to be inverted or horizontal use.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is partial enlarged drawing of the present invention.
Embodiment
In order to further to the detailed description of the invention, introduce below in conjunction with Figure of description:
With reference to accompanying drawing 1, short stroke Ultra-Low Speed cylinder, it comprises cylinder body 1, plunger 2, filler opening 3, oil outlet 4 and slide block 5, cylinder body 1 comprises cylinder bottom 11, casing wall 12 and cylinder flange 13, cylinder bottom 11 is connected to casing wall 12 upper end, cylinder flange 13 is connected to casing wall 12 lower end, short stroke Ultra-Low Speed cylinder also comprises servocylinder 6, screw mandrel 7, rubber moulding 8 and spring pull bar 9, it is inner that plunger 2 is arranged on cylinder body 1, upper oil cavitie 22 is formed between the cylinder bottom 11 of plunger 2 top and cylinder body upper end, filler opening 3 and oil outlet 4 are contained in cylinder body 1 both sides respectively, seal ring 10 is housed between plunger 2 and cylinder body 1, plunger 2 is that hollow plunger and inside have hollow cavity 21, plunger 2 lower end is the cylindrical groove of mouth down, servocylinder 6 is arranged on inside hollow cavity 21, screw mandrel 7 is connected to hollow cavity 21 lower end of in the middle of servocylinder 6 lower end and screw mandrel 7 lower end through plunger 2 inside, screw mandrel 7 lower end and hollow cavity 21 lower end are provided with seal ring 10, rubber moulding 8 is contained in plunger 2 lower end, mouth cylindrical groove is upward had in rubber moulding 8, the airtight lower oil cavitie 23 filling hydraulic oil is formed between the cylindrical groove of the cylindrical groove in rubber moulding 8 and plunger 2 lower end, rubber moulding 8 lower end connection sliding block 5, slide block 5, rubber moulding 8 is also positioned at cylinder body 1 interior lower end, rubber moulding 8 and be provided with lining 14 between slide block 5 and cylinder body casing wall 12, the cylinder flange 13 that spring pull bar 9 runs through cylinder body is arranged on slide block 5 lower end outside.
With reference to accompanying drawing 2, between described plunger 2 and rubber moulding 8, joint is designed with sealing mechanism, namely described plunger 2 lower end is annular cutting 24, rubber moulding 8 upper end is annular slot 81, annular cutting 24 is inserted in annular slot 81, be sealed and matched, and interior trim ring 82 is equipped with in annular slot 81 side i.e. inner side, outer trim ring 83 is equipped with in opposite side i.e. outside.
Described lining 14 is polytetrafluoroethylene bushings.
During work, the upper oil cavitie of short stroke Ultra-Low Speed cylinder is by the flow of filler opening, oil outlet and Stress control, and plunger completes the main stroke of high speed.In Ultra-Low Speed trip segment, upper oil cavitie pressurize, starts servocylinder in hollow cavity, servocylinder runs, transferred to the straight line motion of screw mandrel by the rotary motion of actuating motor, by controlling angular velocity or the linear velocity of actuating motor, reaching and controlling speed or the volume that lower oil cavitie clamp-oned by screw mandrel.Screw mandrel is clamp-oned lower oil cavitie by force.Along with the propelling of screw mandrel, lower oil cavitie pressure raises, and rubber moulding slowly expands, and promotes slide block Ultra-Low Speed and advances.Servocylinder can precise hard_drawn tuhes screw mandrel thrust and stroke, is easy to be connected with PLC dispatch control system, realizes high-accuracy motion control; Short stroke Ultra-Low Speed cylinder, integrated hydraulic cylinder, servocylinder and isostatic pressed rubber moulding advantage separately, give full play to the good precision drive of servocylinder and control advantage, utilize again the characteristic of rubber moulding under high pressure flexible stepless expansion simultaneously, avoid creeping and buffeting of conventional hydraulic, provide Ultra-Low Speed power that is lasting, stable, precise hard_drawn tuhes; Short stroke Ultra-Low Speed cylinder can be used for the extraordinary forging equipments such as (standard) isothermal forging, low speed die casting, powder metal forging, mould bedding-in, food sterilization, and overall structure according to equipment and technics needs, also can be able to be inverted or horizontal use.
Claims (2)
1. short stroke Ultra-Low Speed cylinder, it comprises cylinder body, plunger, filler opening, oil outlet and slide block, cylinder body comprises cylinder bottom, casing wall and cylinder flange, cylinder bottom is connected to casing wall upper end, cylinder flange is connected to casing wall lower end, it is characterized in that short stroke Ultra-Low Speed cylinder also comprises servocylinder, screw mandrel, rubber moulding and spring pull bar, plunger is arranged on cylinder interior, upper oil cavitie is formed between the cylinder bottom of plunger top and cylinder body upper end, filler opening and oil outlet are contained in cylinder body both sides respectively, between plunger and cylinder body, seal ring is housed, plunger is that hollow plunger and inside have hollow cavity, plunger lower end is the cylindrical groove of mouth down, servocylinder is arranged on inside hollow cavity, screw mandrel is connected to the hollow cavity lower end of in the middle of servocylinder lower end and screw mandrel lower end through plunger body, screw mandrel lower end and hollow cavity lower end are provided with seal ring, rubber moulding is contained in plunger lower end, mouth cylindrical groove is upward designed with in rubber moulding, the airtight lower oil cavitie filling hydraulic oil is formed between the cylindrical groove of cylindrical groove and plunger lower end, slide block is close in rubber moulding lower end, slide block, rubber moulding is also positioned at cylinder interior lower end, rubber moulding and be provided with lining between slide block and cylinder body casing wall, the cylinder flange that spring pull bar runs through cylinder body is arranged on slide block lower end outside, between described plunger and rubber moulding, joint is designed with sealing mechanism, and namely described plunger lower end is annular cutting, and rubber moulding upper end is annular slot, annular cutting is inserted in annular slot, be sealed and matched, and interior trim ring is equipped with in annular slot side i.e. inner side, outer trim ring is equipped with in opposite side i.e. outside.
2. short stroke Ultra-Low Speed cylinder according to claim 1, is characterized in that described lining is polytetrafluoroethylene bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310456000.8A CN103470569B (en) | 2013-09-30 | 2013-09-30 | Short stroke Ultra-Low Speed cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310456000.8A CN103470569B (en) | 2013-09-30 | 2013-09-30 | Short stroke Ultra-Low Speed cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103470569A CN103470569A (en) | 2013-12-25 |
| CN103470569B true CN103470569B (en) | 2016-03-30 |
Family
ID=49795560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310456000.8A Active CN103470569B (en) | 2013-09-30 | 2013-09-30 | Short stroke Ultra-Low Speed cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103470569B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3964341A1 (en) * | 2020-09-07 | 2022-03-09 | Aisapack Holding SA | Device for manufacturing pipes with a non-circular section opening geometry and method for manufacturing same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1307998A (en) * | 1919-06-24 | Bailway-crossing sighal | ||
| CN1041137A (en) * | 1988-09-13 | 1990-04-11 | 美国标准公司 | The fixing device of diaphragm piston assembly |
| AT396511B (en) * | 1991-01-14 | 1993-10-25 | Engel Gmbh Maschbau | Device for performing a two-stage linear movement |
| CN101029687A (en) * | 2007-01-18 | 2007-09-05 | 中国南车集团株洲车辆厂 | Zero-leakage hydraulic load-equalizing cylinder for freight train |
| CN101725587A (en) * | 2009-12-29 | 2010-06-09 | 中国科学院国家天文台南京天文光学技术研究所 | Hydraulic scaling mechanism of sealed cylinder body on basis of flexible element |
| CN202851506U (en) * | 2012-08-27 | 2013-04-03 | 陈国永 | Short stoke piston cylinder structure |
| CN203488476U (en) * | 2013-09-30 | 2014-03-19 | 南通锻压设备股份有限公司 | Short-stroke ultra-low speed cylinder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3434778B2 (en) * | 2000-04-18 | 2003-08-11 | 株式会社ファルコム | Screw / hydraulic power cylinder mechanism |
-
2013
- 2013-09-30 CN CN201310456000.8A patent/CN103470569B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1307998A (en) * | 1919-06-24 | Bailway-crossing sighal | ||
| CN1041137A (en) * | 1988-09-13 | 1990-04-11 | 美国标准公司 | The fixing device of diaphragm piston assembly |
| AT396511B (en) * | 1991-01-14 | 1993-10-25 | Engel Gmbh Maschbau | Device for performing a two-stage linear movement |
| CN101029687A (en) * | 2007-01-18 | 2007-09-05 | 中国南车集团株洲车辆厂 | Zero-leakage hydraulic load-equalizing cylinder for freight train |
| CN101725587A (en) * | 2009-12-29 | 2010-06-09 | 中国科学院国家天文台南京天文光学技术研究所 | Hydraulic scaling mechanism of sealed cylinder body on basis of flexible element |
| CN202851506U (en) * | 2012-08-27 | 2013-04-03 | 陈国永 | Short stoke piston cylinder structure |
| CN203488476U (en) * | 2013-09-30 | 2014-03-19 | 南通锻压设备股份有限公司 | Short-stroke ultra-low speed cylinder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3964341A1 (en) * | 2020-09-07 | 2022-03-09 | Aisapack Holding SA | Device for manufacturing pipes with a non-circular section opening geometry and method for manufacturing same |
| WO2022049425A1 (en) * | 2020-09-07 | 2022-03-10 | Aisapack Holding Sa | Device for the fabrication of tubes with a non-circular section orifice geometry and fabrication method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103470569A (en) | 2013-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103470569B (en) | Short stroke Ultra-Low Speed cylinder | |
| CN203488476U (en) | Short-stroke ultra-low speed cylinder | |
| CN104389849A (en) | Buffer actuation device suitable for gas actuation | |
| CN205859030U (en) | A kind of electric compressor air spring | |
| CN204419479U (en) | A kind of servo variable pump | |
| CN202823761U (en) | Portable-type adhesive dispensing device and adhesive dispensing machine | |
| CN106270096A (en) | Can the miniature pipe fitting hydraulic forming device of axial supplement | |
| CN205460177U (en) | Single tube two -chamber syringe pump | |
| CN106481612A (en) | Short stroke Ultra-Low Speed cylinder | |
| CN208793341U (en) | A kind of supercharging device and pressure charging system based on liquid metal | |
| CN204383781U (en) | Liquid quantitative packaging device | |
| CN203362676U (en) | Single-piston pneumatic-control hydraulic direction changing valve | |
| CN204253494U (en) | High speed and high pressure injection machine die cylinder | |
| CN206958369U (en) | Intelligent hydraulic control twin-tub actuator | |
| CN203571393U (en) | Grease pump with diaphragm type air pressure grease tank | |
| CN204387006U (en) | A kind of electric hydraulic oil cylinder | |
| CN205383050U (en) | Adopt ultra high pressure pump of planet roller lead screw | |
| CN104533875A (en) | Electric hydraulic oil cylinder | |
| CN102738436A (en) | Precision quantitative filling device and its injection assembly | |
| CN202612251U (en) | Hydraulic speed-increasing cylinder | |
| CN206839691U (en) | A kind of pressure tool changing drive mechanism for electro spindle | |
| CN208882542U (en) | A kind of piston component and the pneumatic gun with the piston component | |
| CN206257341U (en) | The electro-hydraulic execution equipment of intelligence | |
| CN213981435U (en) | Automatic reversing cylinder | |
| CN216789156U (en) | Hydraulic torque converter with pressure control valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180822 Address after: 226503 Jiangsu Nantong Rugao North Road Park North Road (economic and Technological Development Zone Forging Industry Park) Patentee after: Nantong forging equipment Rugao Co., Ltd. Address before: 226503 Jiangsu Nantong Rugao Economic Development Zone Forging Industry Park Patentee before: Nantong Forging Equipment Co., Ltd. |