CN108518380B - Quick-change three-dimensional cooling hydraulic cylinder - Google Patents
Quick-change three-dimensional cooling hydraulic cylinder Download PDFInfo
- Publication number
- CN108518380B CN108518380B CN201810557719.3A CN201810557719A CN108518380B CN 108518380 B CN108518380 B CN 108518380B CN 201810557719 A CN201810557719 A CN 201810557719A CN 108518380 B CN108518380 B CN 108518380B
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- Prior art keywords
- cylinder body
- hole
- cylinder
- elastic collet
- cover
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000000498 cooling water Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000009826 distribution Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1433—End caps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
Abstract
The invention discloses a quick-change three-dimensional cooling hydraulic cylinder, which is characterized in that: comprises a cylinder body, a nut and a cylinder body fixing cushion block; the center of the cylinder body is provided with a first through hole; a piston is arranged in the first passage; the upper part of the cylinder body is provided with a cylinder body top cover; the lower surface of the cylinder body is provided with a bottom cylinder cover; the center part of the bottom cylinder cover is provided with a second through hole; the center part of the nut is provided with a third through hole; an elastic collet chuck is arranged in the third through hole; the elastic collet chuck is inserted into the second through hole, so that the nut is fixed on the bottom cylinder cover; the cylinder body fixing cushion block is circularly arranged, and a fourth through hole is formed in the center of the cylinder body fixing cushion block; a plurality of support columns are uniformly distributed on the outer circumference of the cylinder body fixing cushion block; the cylinder body fixing cushion block is provided with an external thread part; the external thread part is fixed with the third through hole through threads; the cylinder body of the quick-change type three-dimensional cooling hydraulic cylinder is simple to detach and install, and is high in speed and efficiency.
Description
Technical Field
The invention relates to an improvement of a hydraulic cylinder, in particular to a quick-change type three-dimensional cooling hydraulic cylinder which can be replaced quickly and has a good cooling effect.
Background
In the prior art, a hydraulic cylinder generally comprises a cylinder body, a cooling plate, a flow dividing plate and a fixed supporting plate, wherein the cylinder body, the cooling plate and the fixed supporting plate are generally fixed by screws when connected, the mounting and dismounting procedures are complex, and the hydraulic cylinder is not efficient in mounting and maintenance by trained professionals; the cooling water plate is arranged between the cylinder body and the flow dividing plate, and the heat radiated by the heating element of the flow dividing plate from the side surface of the cylinder body and the like can cause the temperature of the cylinder body to be higher, so that the performance and the service life of a sealing system of the cylinder body are affected; and also affects the production cycle time and the die life.
Therefore, a quick-change type three-dimensional cooling hydraulic cylinder which can be quickly replaced and has good cooling effect is developed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the quick-change type three-dimensional cooling hydraulic cylinder which can be quickly replaced and has good cooling effect.
In order to achieve the above purpose, the invention adopts the following technical scheme: the quick-change three-dimensional cooling hydraulic cylinder comprises a cylinder body, a nut and a cylinder body fixing cushion block; the center of the cylinder body is provided with a first through hole; a piston is arranged in the first passage; the upper part of the cylinder body is provided with a cylinder body top cover; the cylinder top cover seals the upper opening of the first through hole; the cylinder body top cover is fixed on the upper surface of the cylinder body through a first fixing screw; the lower surface of the cylinder body is provided with a bottom cylinder cover; the center part of the bottom cylinder cover is provided with a second through hole; the center part of the nut is provided with a third through hole; an elastic collet chuck is arranged in the third through hole; the elastic collet chuck is inserted into the second through hole, so that the nut is fixed on the bottom cylinder cover; the cylinder body fixing cushion block is circularly arranged, and a fourth through hole is formed in the center of the cylinder body fixing cushion block; a plurality of support columns are uniformly distributed on the outer circumference of the cylinder body fixing cushion block; the lower surfaces of the support columns are respectively provided with a clamping hook; the cylinder body fixing cushion block is provided with an external thread part; the external thread part is fixed with the third through hole through threads; a plurality of second fixing screws are uniformly distributed on the lower surface of the cylinder body fixing cushion block around the center of the fourth through hole; the second fixing screw is used for fixing the splitter plate.
Preferably, when the elastic collet is just assembled, the elastic collet can shrink towards the middle under the action of the installation inclination, and after the elastic collet is assembled to a limited position, the elastic collet outwards restores the original shape under the tension of the elastic collet, and the bottom cylinder cover is clamped by the back-off; when the elastic collet is disassembled, the nut is rotated to enable the inclination of the head part of the nut to move downwards, the inclination of the elastic collet is extruded to bend towards the middle, and the head part of the elastic collet is contracted until the elastic collet is ejected from the bottom cover of the cylinder body.
Preferably, a counter bore is arranged in the center of the upper surface of the cylinder body top cover, and a disc spring is arranged in the counter bore; a disc spring cover plate is arranged on the disc spring; a fixed pin is arranged at the bottom of the counter bore; a locking ring sequentially penetrates through the disc spring cover plate, the disc spring and the fixing pin to be fixed through threads, and meanwhile the disc spring cover plate and the disc spring are pressed.
Preferably, a C-shaped water tank is arranged on the cylinder body; the C-shaped water tank and the first through hole are concentrically arranged; the cylinder body is approximately square, and four side surfaces are respectively provided with a cooling water path joint; the cooling waterway joint is respectively communicated with the C-shaped water tank; the side surface of the cylinder body is also provided with a cylinder body hydraulic joint; the cylinder hydraulic joint is communicated with the first through hole.
Preferably, the first through hole, the second through hole, the third through hole and the fourth through hole are communicated and concentrically arranged.
Preferably, the resilient collet and the third bore are concentrically disposed.
Preferably, sealing rings are respectively arranged among the cylinder body top cover, the bottom cylinder cover and the cylinder body.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
The cylinder body of the quick-change three-dimensional cooling hydraulic cylinder is simple to disassemble and install, and is high in speed and efficiency; meanwhile, the cooling performance is good, the cooling efficiency is high, the service life is long, and the cost is low; the elastic collet chuck can be damaged by overlarge impact force of the valve needle in the working process; meanwhile, the die panel is directly matched with the flow dividing plate, so that the problem of loosening and oil leakage of the cylinder cover caused by frequent vibration of the cylinder body in the working process can be solved.
Drawings
The technical scheme of the invention is further described below with reference to the accompanying drawings:
FIG. 1 is a perspective view of a quick-change type three-dimensional cooling hydraulic cylinder according to the invention;
FIG. 2 is a cross-sectional view of the quick-change type three-dimensional cooling hydraulic cylinder according to the invention;
FIG. 3 is a perspective enlarged view of a cylinder body of the quick-change type three-dimensional cooling hydraulic cylinder;
FIG. 4 is an enlarged perspective view of a nut of the quick-change type three-dimensional cooling hydraulic cylinder according to the invention;
FIG. 5 is a perspective enlarged view of a cylinder block fixing cushion block of the quick-change type three-dimensional cooling hydraulic cylinder;
Wherein: 1. a cylinder; 2. a piston; 3. a cylinder top cover; 4. a disc spring cover plate; 5. a disc spring; 6. a locking ring; 7. a bottom cylinder cover; 8. a nut; 9. a cylinder body fixing cushion block; 10. a cooling waterway joint; 11. a C-shaped water tank; 12. a cylinder hydraulic joint; 13. a support column; 14. a clamping hook; 15. a fixing pin; 16. a first set screw; 17. a second set screw; 81. an elastic collet; 91. an external thread portion.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific examples.
Fig. 1-5 show a quick-change type three-dimensional cooling hydraulic cylinder, which comprises a cylinder body 1, a nut 8 and a cylinder body fixing cushion block 9; the cylinder 1 is provided at its center with a first through hole (not shown); a piston 2 is arranged in the first passage; a cylinder top cover 3 is arranged at the upper part of the cylinder 1; the cylinder head cover 3 closes the upper opening of the first through hole; the cylinder head 3 is fixed to the upper surface of the cylinder 1 by a first fixing screw 16.
A counter bore (not marked) is arranged in the center of the upper surface of the cylinder top cover 3, and a disc spring 5 is arranged in the counter bore; a disc spring cover plate 4 is arranged on the disc spring 5; the bottom of the counter bore is provided with a fixing pin 15; a locking ring 6 sequentially penetrates through the disc spring cover plate 4 and the disc spring 5 to be in threaded fixation with the fixing pin 15, and simultaneously compresses the disc spring cover plate 4 and the disc spring 5.
The lower surface of the cylinder body 1 is provided with a bottom cylinder cover 7; the central part of the bottom head 7 is provided with a second through hole (not shown).
A third through hole (not shown) is formed in the center of the nut 8; an elastic collet 81 is arranged in the third through hole; the elastic collet 81 and the third through hole are concentrically arranged; the elastic collet 81 is inserted into the second through hole, so that the nut 8 is fixed on the bottom cylinder cover 7.
A C-shaped water tank 11 is arranged on the cylinder body 1; the C-shaped water tank 11 is arranged concentrically with the first through hole.
The cylinder body 1 is approximately square, and four sides are respectively provided with a cooling water path joint 10; the cooling water way joints 10 are respectively communicated with a C-shaped water tank 11; the side surface of the cylinder body 1 is also provided with a cylinder body hydraulic joint 12; the cylinder hydraulic fitting 12 communicates with the first through hole.
The cylinder fixing cushion block 9 is circularly arranged, and a fourth through hole (not marked) is arranged in the center of the cylinder fixing cushion block; 4 support columns 13 are uniformly distributed on the outer circumference of the cylinder body fixing cushion block 9; the lower surfaces of the support columns 13 are respectively provided with a clamping hook 14; the cylinder fixing cushion block 9 is provided with an external thread part 91; the external thread part 91 is in threaded fixation with the third through hole; 4 second fixing screws 17 are uniformly distributed on the lower surface of the cylinder body fixing cushion block 9 around the center of the fourth through hole; the second fixing screw 17 is used to fix a flow dividing plate (not shown).
The first through hole, the second through hole, the third through hole and the fourth through hole are communicated and concentrically arranged.
Sealing rings (not shown) are respectively arranged among the cylinder top cover 3, the bottom cylinder cover 7 and the cylinder 1.
During installation, the external thread part 91 of the cylinder fixing cushion block 9 is fixed in the third through hole of the nut 10 in a threaded manner, and then the elastic collet 81 is inserted into the second through hole of the bottom cylinder cover 7. The second fixing screw 17 on the cylinder fixing pad 9 is used for fixing the cylinder fixing pad 9 on the flow dividing plate.
When the elastic collet 81 is just installed, the elastic collet 81 is contracted towards the middle under the action of the installation inclination, after the elastic collet 81 is installed to a limited position, the elastic collet 81 outwards restores the original shape under the tension of the elastic collet, and the bottom cylinder cover 7 is clamped by the back-off to complete the assembly of the cylinder body; when the cylinder is disassembled, the nut is rotated to enable the inclination of the head part of the nut to move downwards, the inclination of the elastic collet chuck 81 is extruded to bend towards the middle, the head part of the elastic collet chuck 81 is contracted until the elastic collet chuck 81 is ejected from the cylinder bottom cover 7, and the cylinder body 1 can be easily disassembled; the installation is simple, the speed is fast, and the efficiency is high.
The C-shaped water tank 11 is arranged in the cylinder body 1, so that the water storage capacity is large, the cooling area is increased by more than 3 times, the cooling efficiency is high, the sealing system can work below the normal working temperature, the sealing system performance is stable, and the service life is long.
Meanwhile, each surface of the cylinder body 1 is provided with a cooling water channel joint 10, the cooling water channel joints 10 are communicated with the C-shaped water tank 11, the four-side water inlet and outlet functions can be realized, a cooling water pipe is easier to run than the original single-side water inlet and outlet functions, the cooling water pipe can select the shortest water flowing line recently, the length of the water pipe is effectively shortened, the cooling efficiency is improved, the cooling performance is increased, and the cost is saved.
4 Second fixing screws 17 are uniformly distributed on the lower surface of the cylinder body fixing cushion block 9 around the center of the fourth through hole; the second fixing screw 17 is used to fix a flow dividing plate (not shown). The central connecting line of the adjacent second fixing screw 17 is parallel to the central line of the flow distribution plate, the width of the flow distribution plate is reduced, the flow distribution plate is more compact, the cylinder body can select the optimal angle within the range of 360 degrees according to the die structure and the hot nozzle outlet, and the cylinder body fixing support block 9 on the flow distribution plate does not need to rotate. After the angle is selected, the clamping hooks 14 on the lower surface of the supporting column 13 are matched with the clamping grooves on the outer circumference of the claw disc of the fixed plate for positioning.
The disc spring 5, the disc spring cover plate 4 and the fixing pin 15 are arranged in the middle of the cylinder body top cover 4, before the system is not installed in a die, the cylinder body 1 is clamped and fixed by the elastic collet 81, after the system is installed in the die, the cylinder body top cover 4 and the disc spring cover plate 4 are pressed by a die panel, and meanwhile, the supporting columns 13 on the four corners of the lower part of the cylinder body 1 are pressed against the upper surface of the flow dividing plate, so that the problem that the elastic collet 81 is damaged by overlarge impact force of the valve needle in the working process can be solved; meanwhile, the die panel is directly matched with the flow dividing plate, so that the problem of loosening and oil leakage of the cylinder cover caused by frequent vibration of the cylinder body 1 in the working process can be solved.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
The cylinder body of the quick-change three-dimensional cooling hydraulic cylinder is simple to disassemble and install, and is high in speed and efficiency; meanwhile, the cooling performance is good, the cooling efficiency is high, the service life is long, and the cost is low; the elastic collet chuck can be damaged by overlarge impact force of the valve needle in the working process; meanwhile, the die panel is directly matched with the flow dividing plate, so that the problem of loosening and oil leakage of the cylinder cover caused by frequent vibration of the cylinder body in the working process can be solved.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (6)
1. Quick-change type three-dimensional cooling pneumatic cylinder, its characterized in that: comprises a cylinder body, a nut and a cylinder body fixing cushion block; the center of the cylinder body is provided with a first through hole; a piston is arranged in the first passage; the upper part of the cylinder body is provided with a cylinder body top cover; the cylinder top cover seals the upper opening of the first through hole; the lower surface of the cylinder body is provided with a bottom cylinder cover; the center part of the bottom cylinder cover is provided with a second through hole; the center part of the nut is provided with a third through hole; an elastic collet chuck is arranged in the third through hole; the elastic collet chuck is inserted into the second through hole, so that the nut is fixed on the bottom cylinder cover; the cylinder body fixing cushion block is circularly arranged, and a fourth through hole is formed in the center of the cylinder body fixing cushion block; a plurality of support columns are uniformly distributed on the outer circumference of the cylinder body fixing cushion block; the lower surfaces of the support columns are respectively provided with a clamping hook; the cylinder body fixing cushion block is provided with an external thread part; the external thread part is fixed with the third through hole through threads; a plurality of second fixing screws are uniformly distributed on the lower surface of the cylinder body fixing cushion block around the center of the fourth through hole; the second fixing screw is used for fixing the splitter plate;
The elastic collet chuck is provided with an installation inclination, when the elastic collet chuck is just installed, the elastic collet chuck can shrink towards the middle under the action of the installation inclination, and after the elastic collet chuck is installed at a limited position, the elastic collet chuck outwards restores the original shape under the self tension, and the bottom cylinder cover is clamped by the back-off; when the elastic collet is disassembled, the nut is rotated to enable the inclination of the head part of the nut to move downwards, the inclination of the elastic collet is extruded to bend towards the middle, and the head part of the elastic collet is contracted until the elastic collet is ejected from the bottom cover of the cylinder body.
2. The quick-change stereoscopic cooling hydraulic cylinder according to claim 1, wherein: a counter bore is arranged in the center of the upper surface of the cylinder body top cover, and a disc spring is arranged in the counter bore; a disc spring cover plate is arranged on the disc spring; a fixed pin is arranged at the bottom of the counter bore; a locking ring sequentially penetrates through the disc spring cover plate, the disc spring and the fixing pin to be fixed through threads, and meanwhile the disc spring cover plate and the disc spring are pressed.
3. The quick-change stereoscopic cooling hydraulic cylinder according to claim 1, wherein: a C-shaped water tank is arranged on the cylinder body; the C-shaped water tank and the first through hole are concentrically arranged; the cylinder body is approximately square, and four side surfaces are respectively provided with a cooling water path joint; the cooling waterway joint is respectively communicated with the C-shaped water tank; the side surface of the cylinder body is also provided with a cylinder body hydraulic joint; the cylinder hydraulic joint is communicated with the first through hole.
4. The quick-change stereoscopic cooling hydraulic cylinder according to claim 1, wherein: the first through hole, the second through hole, the third through hole and the fourth through hole are communicated and concentrically arranged.
5. The quick-change stereoscopic cooling hydraulic cylinder according to claim 1, wherein: the elastic collet and the third through hole are concentrically arranged.
6. The quick-change stereoscopic cooling hydraulic cylinder according to claim 1, wherein: sealing rings are respectively arranged among the cylinder body top cover, the bottom cylinder cover and the cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810557719.3A CN108518380B (en) | 2018-06-01 | 2018-06-01 | Quick-change three-dimensional cooling hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810557719.3A CN108518380B (en) | 2018-06-01 | 2018-06-01 | Quick-change three-dimensional cooling hydraulic cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108518380A CN108518380A (en) | 2018-09-11 |
| CN108518380B true CN108518380B (en) | 2024-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810557719.3A Active CN108518380B (en) | 2018-06-01 | 2018-06-01 | Quick-change three-dimensional cooling hydraulic cylinder |
Country Status (1)
| Country | Link |
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| CN (1) | CN108518380B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219797A (en) * | 2019-06-18 | 2019-09-10 | 苏州好特斯模具有限公司 | Quick-change type Double decker piston vertical cooling cylinder |
| CN110228224A (en) * | 2019-06-18 | 2019-09-13 | 苏州好特斯模具有限公司 | Small angle rotation integral type fixed plate |
| CN112032141A (en) * | 2020-08-26 | 2020-12-04 | 苏州好特斯模具有限公司 | Stroke-adjustable cylinder system |
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| DE202004007738U1 (en) * | 2004-05-11 | 2004-07-22 | Drumag Gmbh Fluidtechnik | Compressed air cylinder has check valve and/or check valve release device installed inside casing, and with cylinder head and/or cylinder cover rigidly connected to center section encompassing cylinder tube |
| EP1743733A1 (en) * | 2005-07-07 | 2007-01-17 | Zero-Point-Systems Günther Stark GmbH | Quick connect coupling with changeable cylinder |
| FR2942514A1 (en) * | 2009-02-25 | 2010-08-27 | Louis Ramond | Double effect pneumatic actuated cylinder for use in plastic material injecting device, has piston and body made of stabilized steel, nitrated steel or oxidized steel to assure sealing between wall of piston and wall of cavity of body |
| CN201730898U (en) * | 2010-07-28 | 2011-02-02 | 金维新 | Oil cylinder with cooling device |
| CN102648354A (en) * | 2009-10-29 | 2012-08-22 | 诺格伦有限责任公司 | Fluid operated actuator |
| CN103380320A (en) * | 2011-02-02 | 2013-10-30 | 泰克努法斯特工业有限公司 | High-pressure sealing ring |
| JP2016176566A (en) * | 2015-03-20 | 2016-10-06 | Ｋｙｂ株式会社 | Single-acting type liquid pressure cylinder |
| KR20170009437A (en) * | 2015-07-17 | 2017-01-25 | 이더블유에스 코리아 주식회사 | collet nut for tool holder |
| CN208381021U (en) * | 2018-06-01 | 2019-01-15 | 苏州好特斯模具有限公司 | Quick-change type vertical cooling hydraulic cylinder |
-
2018
- 2018-06-01 CN CN201810557719.3A patent/CN108518380B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2205883Y (en) * | 1994-12-23 | 1995-08-23 | 黄定国 | Plate-type oil pressure cooler |
| CN2425226Y (en) * | 2000-05-12 | 2001-03-28 | 卢进兴 | Improved oil pressure flating support cylinder |
| DE202004007738U1 (en) * | 2004-05-11 | 2004-07-22 | Drumag Gmbh Fluidtechnik | Compressed air cylinder has check valve and/or check valve release device installed inside casing, and with cylinder head and/or cylinder cover rigidly connected to center section encompassing cylinder tube |
| EP1743733A1 (en) * | 2005-07-07 | 2007-01-17 | Zero-Point-Systems Günther Stark GmbH | Quick connect coupling with changeable cylinder |
| FR2942514A1 (en) * | 2009-02-25 | 2010-08-27 | Louis Ramond | Double effect pneumatic actuated cylinder for use in plastic material injecting device, has piston and body made of stabilized steel, nitrated steel or oxidized steel to assure sealing between wall of piston and wall of cavity of body |
| CN102648354A (en) * | 2009-10-29 | 2012-08-22 | 诺格伦有限责任公司 | Fluid operated actuator |
| CN201730898U (en) * | 2010-07-28 | 2011-02-02 | 金维新 | Oil cylinder with cooling device |
| CN103380320A (en) * | 2011-02-02 | 2013-10-30 | 泰克努法斯特工业有限公司 | High-pressure sealing ring |
| JP2016176566A (en) * | 2015-03-20 | 2016-10-06 | Ｋｙｂ株式会社 | Single-acting type liquid pressure cylinder |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108518380A (en) | 2018-09-11 |
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