CN104373417A - Dust removal air cylinder - Google Patents
Dust removal air cylinder Download PDFInfo
- Publication number
- CN104373417A CN104373417A CN201410588910.6A CN201410588910A CN104373417A CN 104373417 A CN104373417 A CN 104373417A CN 201410588910 A CN201410588910 A CN 201410588910A CN 104373417 A CN104373417 A CN 104373417A
- Authority
- CN
- China
- Prior art keywords
- dust
- piston rod
- protecgulum
- ring
- piston
- 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.)
- Pending
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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
- F15B15/1438—Cylinder to end cap assemblies
- F15B15/1442—End cap sealings
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The invention discloses a dust removal air cylinder which comprises a cylinder barrel, a piston rod and a piston. A front cover and a rear cover are arranged on the two sides of the cylinder barrel respectively and provided with air channels communicated with the interior of the cylinder barrel respectively, the piston is arranged in the cylinder barrel and connected with one end of the piston rod, the other end of the piston rod penetrates through the front cover and stretches out of the cylinder barrel, the front cover is provided with a dust blocking ring matched with the piston rod, and a sealing element from outside to inside in sequence, and the dust blocking ring is fixed to the front cover through a dust blocking fixing ring. The dust blocking fixing ring is made of fluororubber and is used for tightly holding the dust blocking ring and enabling a certain magnitude of interference to be kept between the dust blocking ring and the piston rod. The dust blocking ring is made of phosphor copper and is used for removing stubborn stains formed on the surface of the piston rod by making tight contact with the surface of the piston rod. The dust removal air cylinder is capable of adapting to severe working environments and longer in service life.
Description
Technical field
The present invention relates to cylinder technical field, especially relate to a kind of dedusting cylinder.
Background technique
Cylinder is by compressed air-driven piston reciprocating air actuator in cylinder body, be made up of cylinder barrel, end cap, piston, piston rod and Sealing etc., usually on the end cap of piston rod side, seal ring and dust ring is provided with, to prevent from outwards leaking gas from piston rod and preventing external dust from entering in cylinder barrel.Dedusting cylinder is the matching parts of the dust pelletizing system for some factory building or equipment, and its effect is the filter screen on reciprocating dedusting passage, to reach the object of clean filter screen, and can see the dedusting cylinder described in patent announcement CN202684330U.Because the working environment of such cylinder is very severe, dust in air and greasy dirt heavier, be easy to form stupid stain on the top layer of piston rod, this stupid stain can not be removed by common dust ring, and can rub along with the to-and-fro motion of piston rod and Sealing produce and damage Sealing, cause cylinder cisco unity malfunction, its working life is not long.
Summary of the invention
For the deficiency that above-mentioned prior art exists, the object of this invention is to provide a kind of dedusting cylinder, can severe working environment be adapted to, to extend its working life.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of dedusting cylinder, comprise cylinder barrel, piston rod and piston, cylinder barrel both sides are respectively equipped with protecgulum and bonnet, protecgulum and bonnet are respectively equipped with the air passageways communicated with cylinder barrel inside, piston is located at cylinder barrel inside and is connected with one end of piston rod, the other end of piston rod passes protecgulum and stretches out in cylinder barrel outside, and protecgulum is provided with the dust-blocking ring and Sealing that match with piston rod from outside to inside successively, and dust-blocking ring is fixed on protecgulum by dust-break retainer ring; Dust-break retainer ring is that fluorine rubber is made, and its effect is banding dust-blocking ring, and makes the magnitude of interference keeping 5 ~ 20 microns between dust-blocking ring and piston rod; Dust-blocking ring is that phosphor-copper is made, and its effect is the stupid stain by being formed to remove piston rod surface with the close contact of piston rod surface.
Wherein, described Sealing is copper sheathing, described protecgulum between dust-blocking ring and copper sheathing, be also provided with the dust ring matched with described piston rod.
Further scheme, described protecgulum and described bonnet are equipped with vent and throttle orifice, the both sides of piston are respectively equipped with the buffer part matched with vent, and described protecgulum is also respectively equipped with to the vent place of described bonnet the buffer ring that corresponding side buffer part matches with piston.
Further scheme, protecgulum is provided with air inlet seat, bonnet is provided with valve seat, tracheae is provided with between air inlet seat and valve seat, valve seat is provided with two-position-five-way solenoid valve, valve seat offers the inlet hole, the first working hole, the second working hole, first row pore and the second row pore that adapt with this two-position-five-way solenoid valve, the first working hole is communicated with the gas-entered passageway of protecgulum by tracheae, and the second working hole communicates with the gas-entered passageway of bonnet.
Further scheme, first row pore and the second row pore place of described valve seat are also separately installed with throttle muffler.
Wherein, described protecgulum is fixedly connected with hexagon nut by pull bar with described bonnet, and described piston is fixedly connected with by socket head screw with described piston rod.
Wherein, described piston is provided with the wear ring and Y-shaped ring that match with cylinder barrel.
Wherein, described dust-blocking ring and described dust-break retainer ring are glued together by glue.
Adopt after technique scheme, the present invention compared to the prior art advantageously:
The present invention sets up a dust-blocking ring be made up of phosphor-copper material on the protecgulum of cylinder barrel, this dust-break is fixed on protecgulum full by the dust-break retainer ring be made up of fluorine rubber, fluorine rubber has stable flow elasticity, for by dust-blocking ring banding, and make between dust-blocking ring and piston rod, to keep certain magnitude of interference, because dust-blocking ring is made up of phosphor-copper material, there is good wear resistance, and hardness ratio piston rod is low, therefore dust-blocking ring is by effectively removing with the close contact of piston rod surface the stupid stain that piston rod surface formed, and dust-blocking ring can not cause damage to piston rod surface, thus avoid the stupid stain of piston rod surface and Sealing friction and damage Sealing, thus this dedusting cylinder can adapt to severe working environment, longer service life.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described:
Fig. 1 is sectional structure schematic diagram of the present invention.
Fig. 2 is M place structure for amplifying schematic diagram in Fig. 1.
In figure, 1: piston rod; 2: pull bar; 3: hexagon nut; 4: compression spring; 5: dust-break retainer ring; 6: dust-blocking ring; 7: dust ring; 8: copper sheathing; 9: protecgulum; 10: air inlet seat; 11: buffer ring; 12: tracheae; 13: cylinder barrel; 14: socket head screw; 15: piston; 16: wear ring; 17:Y type circle; 18: valve seat; 19: two-position-five-way solenoid valve; 20: bonnet; 21: air passageways; 22: vent; 23: throttle orifice; 24: buffer part.
Embodiment
The following stated is only preferred embodiment of the present invention, does not therefore limit protection scope of the present invention.
Embodiment, as depicted in figs. 1 and 2.
A kind of dedusting cylinder, comprise cylinder barrel 13, piston rod 1 and piston 15, cylinder barrel 13 both sides are respectively equipped with protecgulum 9 and bonnet 20, protecgulum 9 is fixedly connected with hexagon nut 3 by pull bar 2 with bonnet 20, hexagon nut 3 is bolted in pull bar 2 end, be provided with compression spring 4 between hexagon nut 3 and protecgulum 9 (bonnet 20), protecgulum 9 is equipped with O type circle with the joint of cylinder barrel 13 and the joint of bonnet 20 and cylinder barrel 13.
Piston 15 is located at cylinder barrel 13 inside and is connected with one end of piston rod 1, the other end of piston rod 1 passes protecgulum 9 and stretches out in cylinder barrel 13 outside, piston 15 is fixedly connected with by socket head screw 14 with piston rod 1, particularly, the end of piston rod 1 is provided with blind hole, socket head screw 14 is bolted in this blind hole, and piston 15 is inserted in the end of piston rod 1 and is fixed by socket head screw 14, and socket head screw 14 adds appropriate anaerobic adhesive.The perisporium of piston 15 is provided with wear ring 16 and Y-shaped ring 17, and Y-shaped ring 17 seals, its leading role of wear ring 16.
Protecgulum 9 and bonnet 20 are respectively equipped with the air passageways 21 communicated with cylinder barrel 13 inside, protecgulum 9 and bonnet 20 are equipped with vent 22 and throttle orifice 23, vent 22 and throttle orifice 23 all communicate with corresponding side air passageways 21, the aperture of throttle orifice 23 is less than the aperture of vent 22, the both sides of piston 15 are respectively equipped with the buffer part 24 matched with vent 22, and vent 22 place of protecgulum 9 and bonnet 20 is also respectively equipped with the buffer ring 11 that side corresponding to piston 15 buffer part 24 matches.When piston 15 is positioned at cylinder barrel 13 end, the buffer part 24 of piston 15 side is inserted in this side vent 22, and with buffer ring 11 close fit of this side, now this side air passageways 21 by throttle orifice 23 conducting of this side, thus can only play buffer function to piston 15 in the movement of cylinder barrel 13 end with cylinder barrel 13 inside; And when piston 15 is positioned at the middle part of cylinder barrel 13, namely the both sides buffer part 24 of piston 15 all departs from the vent 22 of both sides, now both sides air passageways 21 and cylinder barrel 13 inside are simultaneously by vent 22 and throttle orifice 23 conducting of both sides, no longer hinder the movement of piston 15, make piston 15 can fast moving.
Protecgulum 9 is provided with the dust-blocking ring 6, dust ring 7 and the Sealing that match with piston rod 1 from outside to inside successively, Sealing is copper sheathing 8, it is rigidity slipper seal between copper sheathing 8 and piston rod 1, dust ring 7 is positioned at outside copper sheathing 8 and plays dustproof effect, dust-blocking ring 6 is fixed on protecgulum 9 by dust-break retainer ring 5, and dust-blocking ring 6 and dust-break retainer ring 5 are glued together by glue.Dust-break retainer ring 5 is made for fluorine rubber, and its effect is banding dust-blocking ring 6, and makes the magnitude of interference keeping 5 ~ 20 microns between dust-blocking ring 6 and piston rod 1.Dust-blocking ring 6 is made for phosphor-copper, shape is taper, be convenient to glue together with dust-break retainer ring 5 and fix, the conical surface of dust-blocking ring 6 is provided with joint-cutting, can under the effect of dust-break retainer ring 5 with piston rod 1 Interference contact, the effect of dust-blocking ring 6 is the stupid stains by being formed to remove piston rod 1 surface with the close contact on piston rod 1 surface.
This dedusting cylinder sets up a dust-blocking ring be made up of phosphor-copper material 6 on protecgulum 9, this dust-break is fixed on protecgulum 9 full by the dust-break retainer ring 5 be made up of fluorine rubber, fluorine rubber has stable flow elasticity, for by dust-blocking ring 6 banding, and make to keep certain magnitude of interference between dust-blocking ring 6 and piston rod 1, because dust-blocking ring 6 is made up of phosphor-copper material, there is good wear resistance, and hardness ratio piston rod 1 is low, therefore dust-blocking ring 6 is by effectively removing with the close contact on piston rod 1 surface the stupid stain that piston rod 1 surface formed, and dust-blocking ring 6 can not cause damage to piston rod 1 surface, thus avoid the stupid stain on piston rod 1 surface and Sealing friction and damage Sealing, thus this dedusting cylinder can adapt to severe working environment, longer service life.
Protecgulum 9 is provided with air inlet seat 10, bonnet 20 is provided with valve seat 18, tracheae 12 is provided with between air inlet seat 10 and valve seat 18, valve seat 18 is provided with two-position-five-way solenoid valve 19, valve seat 18 offers adapt with this two-position-five-way solenoid valve 19 inlet hole P, the first working hole A, the second working hole B, first row pore R and second row pore S, first working hole A is communicated by the gas-entered passageway of tracheae 12 with protecgulum 9, and the second working hole B communicates with the gas-entered passageway of bonnet 20.First row pore R and the second row pore S place of valve seat 18 are also separately installed with throttle muffler, play noise elimination throttling action.
Its working procedure is: Figure 1 shows that normality, the air passageways 21 of working hole, the first working hole A, tracheae 12 and protecgulum 9 is led in inlet hole P air inlet successively by the length of two-position-five-way solenoid valve 19, promote piston 15 to move right, now the second working hole B is in exhaust condition, and pressurized air is discharged from second row pore S after the exhaust port of two-position-five-way solenoid valve 19; After two-position-five-way solenoid valve 19 obtains electric commutation, inlet hole P air inlet is successively by the air passageways 21 of the commutation work hole of two-position-five-way solenoid valve 19, the second working hole B and bonnet 20, promote piston 15 to be moved to the left, now the first working hole A is in exhaust condition, and pressurized air is discharged from first row pore R after the exhaust port of two-position-five-way solenoid valve 19.Two-position-five-way solenoid valve 19 dead electricity repeats said process, forms a motion cycle of going round and beginning again.
The above is only better embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (8)
1. a dedusting cylinder, comprise cylinder barrel, piston rod and piston, cylinder barrel both sides are respectively equipped with protecgulum and bonnet, protecgulum and bonnet are respectively equipped with the air passageways communicated with cylinder barrel inside, piston is located at cylinder barrel inside and is connected with one end of piston rod, the other end of piston rod passes protecgulum and stretches out in cylinder barrel outside, it is characterized in that: protecgulum is provided with the dust-blocking ring and Sealing that match with piston rod from outside to inside successively, and dust-blocking ring is fixed on protecgulum by dust-break retainer ring; Dust-break retainer ring is that fluorine rubber is made, and its effect is banding dust-blocking ring, and makes the magnitude of interference keeping 5 ~ 20 microns between dust-blocking ring and piston rod; Dust-blocking ring is that phosphor-copper is made, and its effect is the stupid stain by being formed to remove piston rod surface with the close contact of piston rod surface.
2. dedusting cylinder according to claim 1, is characterized in that: described Sealing is copper sheathing, described protecgulum between dust-blocking ring and copper sheathing, be also provided with the dust ring matched with described piston rod.
3. dedusting cylinder according to claim 2, it is characterized in that: described protecgulum and described bonnet are equipped with vent and throttle orifice, the both sides of piston are respectively equipped with the buffer part matched with vent, and described protecgulum is also respectively equipped with to the vent place of described bonnet the buffer ring that corresponding side buffer part matches with piston.
4. dedusting cylinder according to claim 3, it is characterized in that: protecgulum is provided with air inlet seat, bonnet is provided with valve seat, tracheae is provided with between air inlet seat and valve seat, valve seat is provided with two-position-five-way solenoid valve, valve seat offers the inlet hole, the first working hole, the second working hole, first row pore and the second row pore that adapt with this two-position-five-way solenoid valve, the first working hole is communicated with the gas-entered passageway of protecgulum by tracheae, and the second working hole communicates with the gas-entered passageway of bonnet.
5. dedusting cylinder according to claim 4, is characterized in that: first row pore and the second row pore place of described valve seat are also separately installed with throttle muffler.
6. dedusting cylinder according to claim 1, it is characterized in that: described protecgulum is fixedly connected with hexagon nut by pull bar with described bonnet, described piston is fixedly connected with by socket head screw with described piston rod.
7. dedusting cylinder according to claim 1, is characterized in that: described piston is provided with the wear ring and Y-shaped ring that match with cylinder barrel.
8. dedusting cylinder according to claim 1, is characterized in that: described dust-blocking ring and described dust-break retainer ring are glued together by glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410588910.6A CN104373417A (en) | 2014-10-28 | 2014-10-28 | Dust removal air cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410588910.6A CN104373417A (en) | 2014-10-28 | 2014-10-28 | Dust removal air cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104373417A true CN104373417A (en) | 2015-02-25 |
Family
ID=52552519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410588910.6A Pending CN104373417A (en) | 2014-10-28 | 2014-10-28 | Dust removal air cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104373417A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170364A (en) * | 2015-08-10 | 2015-12-23 | 王及忠 | Novel cylinder for coating machine |
| CN105201959A (en) * | 2015-08-24 | 2015-12-30 | 芜湖市汽车产业技术研究院有限公司 | Pneumatic cylinder |
| CN106884828A (en) * | 2017-05-05 | 2017-06-23 | 中山市鸿菊自动化设备制造有限公司 | A kind of many valve bit combination cylinders |
| CN107435669A (en) * | 2017-08-17 | 2017-12-05 | 浙江中控太阳能技术有限公司 | A kind of push rod with cleaning apparatus for self |
| CN108799502A (en) * | 2017-06-16 | 2018-11-13 | 泉州有刺电子商务有限责任公司 | A kind of hydraulic press sealing device |
| CN109236797A (en) * | 2018-09-30 | 2019-01-18 | 宁波坤易气动科技有限公司 | A kind of cylinder end piece mounting structure |
| CN112253751A (en) * | 2019-07-06 | 2021-01-22 | 浙江力耐得传动科技有限公司 | Dust removal structure of electric push rod |
| CN112360837A (en) * | 2020-10-12 | 2021-02-12 | 欧霓博(上海)机械自动化有限公司 | Multifunctional air cylinder |
| CN113846745A (en) * | 2021-08-30 | 2021-12-28 | 江苏徐工工程机械研究院有限公司 | Multi-degree-of-freedom suction boom and dredging vehicle |
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| CN201991867U (en) * | 2011-04-15 | 2011-09-28 | 宁波光华气动工业有限公司 | Hard dustproof cylinder |
| CN202301285U (en) * | 2011-09-19 | 2012-07-04 | 郭世杰 | Six-degree-of-freedom hydraulic servo cylinder with bidirectional buffering effect |
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| CN202768527U (en) * | 2012-05-24 | 2013-03-06 | 广东省肇庆方大气动有限公司 | Dustproof air cylinder |
| CN202962185U (en) * | 2012-12-03 | 2013-06-05 | 上海袋式除尘配件有限公司 | Cylinder specially used for bag type dust remover |
| CN103184307A (en) * | 2011-12-31 | 2013-07-03 | 北京明诚环保科技有限公司 | One-time dust removal system for revolving furnace |
| CN204226330U (en) * | 2014-10-28 | 2015-03-25 | 奉化鑫益气动工程有限公司 | A kind of dedusting cylinder |
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2014
- 2014-10-28 CN CN201410588910.6A patent/CN104373417A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5495792A (en) * | 1992-11-10 | 1996-03-05 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Double acting hydraulic cylinder with improved lubrication and piston rod guides |
| JP2001170876A (en) * | 1999-12-17 | 2001-06-26 | Furukawa Co Ltd | Dust protective mechanism for breaker |
| JP2003113810A (en) * | 2001-10-09 | 2003-04-18 | Toyota Motor Corp | Hydraulic cylinder for cushion pin pressure equalization |
| CN101629591A (en) * | 2009-06-30 | 2010-01-20 | 常州市瑞泰工程机械有限公司 | Pressurizing cylinder |
| CN201991867U (en) * | 2011-04-15 | 2011-09-28 | 宁波光华气动工业有限公司 | Hard dustproof cylinder |
| CN202301285U (en) * | 2011-09-19 | 2012-07-04 | 郭世杰 | Six-degree-of-freedom hydraulic servo cylinder with bidirectional buffering effect |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170364A (en) * | 2015-08-10 | 2015-12-23 | 王及忠 | Novel cylinder for coating machine |
| CN105201959A (en) * | 2015-08-24 | 2015-12-30 | 芜湖市汽车产业技术研究院有限公司 | Pneumatic cylinder |
| CN106884828A (en) * | 2017-05-05 | 2017-06-23 | 中山市鸿菊自动化设备制造有限公司 | A kind of many valve bit combination cylinders |
| CN106884828B (en) * | 2017-05-05 | 2018-06-26 | 中山市鸿菊自动化设备制造有限公司 | A kind of more valve bit combination cylinders |
| CN108799502A (en) * | 2017-06-16 | 2018-11-13 | 泉州有刺电子商务有限责任公司 | A kind of hydraulic press sealing device |
| CN108799502B (en) * | 2017-06-16 | 2020-06-26 | 河北奥赛罗密封材料有限公司 | Hydraulic machine sealing device |
| CN107435669A (en) * | 2017-08-17 | 2017-12-05 | 浙江中控太阳能技术有限公司 | A kind of push rod with cleaning apparatus for self |
| CN107435669B (en) * | 2017-08-17 | 2019-11-19 | 浙江中控太阳能技术有限公司 | A kind of push rod with cleaning apparatus for self |
| CN109236797A (en) * | 2018-09-30 | 2019-01-18 | 宁波坤易气动科技有限公司 | A kind of cylinder end piece mounting structure |
| CN112253751A (en) * | 2019-07-06 | 2021-01-22 | 浙江力耐得传动科技有限公司 | Dust removal structure of electric push rod |
| CN112360837A (en) * | 2020-10-12 | 2021-02-12 | 欧霓博(上海)机械自动化有限公司 | Multifunctional air cylinder |
| CN113846745A (en) * | 2021-08-30 | 2021-12-28 | 江苏徐工工程机械研究院有限公司 | Multi-degree-of-freedom suction boom and dredging vehicle |
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Owner name: NINGBO XINYI SUNSHINE PNEUMATIC SCIENCE +TECHNOLOG Free format text: FORMER OWNER: FENGHUA XINYI PNEUMATIC ENGINEERING CO., LTD. Effective date: 20150908 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20150908 Address after: 315194 No. 655, bachelor Road, Ningbo, Zhejiang, Yinzhou District Applicant after: Ningbo shinyee sun Pneumatic Technology Co. Ltd. Address before: ZTE road Xikou Fenghua 315500 Zhejiang Province, Ningbo City No. 666 Applicant before: FENGHUA XINYI PNEUMATIC ENGINEERING CO., LTD. |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150225 |
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