CN104653544A - Irregular section type magnetic rodless hydraulic cylinder/ pneumatic cylinder - Google Patents
Irregular section type magnetic rodless hydraulic cylinder/ pneumatic cylinder Download PDFInfo
- Publication number
- CN104653544A CN104653544A CN201310593725.1A CN201310593725A CN104653544A CN 104653544 A CN104653544 A CN 104653544A CN 201310593725 A CN201310593725 A CN 201310593725A CN 104653544 A CN104653544 A CN 104653544A
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- Prior art keywords
- cylinder
- cross
- section
- profiled
- cylinder body
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Classifications
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- 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
- F15B15/1414—Characterised by the construction of the motor unit of the straight-cylinder type with non-rotatable piston
-
- 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
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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 an irregular section type magnetic rodless hydraulic cylinder/ pneumatic cylinder. The section of the hydraulic cylinder/ pneumatic cylinder is changed from circle to rectangle; a magnetic piston is arranged in the hydraulic cylinder/ pneumatic cylinder; an outer sliding part is arranged at the outside of the hydraulic cylinder/ pneumatic cylinder, corresponding to the magnetic piston in the hydraulic cylinder/ pneumatic cylinder; an outer magnet is arranged on the sliding part at the outside of the cylinder; the magnet at the outside of the cylinder and a magnet on the magnetic piston are in heteropole attraction; when a hydraulic system pushes the magnetic piston in the hydraulic cylinder/ pneumatic cylinder to move, and the magnet at the outside of the cylinder is driven to driven the sliding part at the outside of the whole cylinder, so as to finish the hydraulic driving acting.
Description
Art
The present invention relates to a kind of magnetic Rodless cylinder/cylinder.
Background technique
At industrial field, the oil cylinder purposes in hydraulic system widely.But conventional hydraulic oil cylinder has a defect, be exactly its stroke can only be about the half of oil cylinder height, need stroke just can not use close to the situation of installing space if run into; On the other hand, even if installing space size allows, in product specification, anyone wishes when meeting identical performance, and what product size was tried one's best reduces.For the situation that installing space is inadequate, when load is little, magnetic no-rod cylinder can be used achieve the goal, but load is large just not all right, because pneumatic system working pressure only has several kilograms.In theory, magnetic Rodless cylinder can accomplish this point; But, almost do not see the product of magnetic Rodless cylinder on the market.Trace it to its cause, because the cross section of conventional cylinder is all circular, and magnet is poorly installed in circular cross-section oil cylinder, namely the magnet that the outer slide mass of the magnet installed in oil cylinder and cylinder is installed when there is a natural attraction between the sexes efficiency low, be not easy to carry large load, load entrained by magnetic Rodless cylinder is also limited to, because which limit the functionality advantage of a kind of like this uniqueness of magnetic Rodless cylinder.
At industrial field, in pneumatic gearing system, there is a kind of magnetic no-rod cylinder purposes more and more extensive.The cross section of traditional magnetic no-rod cylinder cylinder body is all the circular cross-section of tubular body, and not quite, the air pressure of pneumatic system often only has 1MPa in addition for the magnetic piston in cylinder and the magnet ring attraction force outside cylinder body, therefore drags load capacity smaller; Meanwhile, because cylinder body is circular, for preventing the moving element outside cylinder body from rotating along cylinder body, need to arrange guide rod location along cylinder body.
Summary of the invention
The object of the invention is to invent a kind of magnetic Rodless cylinder that can carry large load.
The technical solution adopted for the present invention to solve the technical problems is: a kind of profiled-cross-section magnetic Rodless cylinder, is made up of profiled-cross-section hydraulic pressure cylinder assembly and the outer slide mass assembly of cylinder; Profiled-cross-section hydraulic pressure cylinder assembly is made up of profiled-cross-section cylinder body and magnetic rodless piston; Profiled-cross-section cylinder body is provided with turnover oil nozzle, turnover oil nozzle is connected with hydraulic system, so that carry out hydraulic driving and control; The cross section of the internal diameter of hydraulic cylinder is not traditional circle, but based on rectangle, or four rounding of angle, or make a pair opposite side semicircular in shape of rectangle and tangent to opposite side with another, or make a pair opposite side of rectangle be a curve and make it with another opposite side smooth connection; Cylinder body is provided with fitting seat; Be provided with the magnetic rodless piston matched with cylinder diameter sectional shape in cylinder body, magnetic rodless piston be provided with piston magnet; Can slide along cylinder body in the outside that the outer slide mass assembly of cylinder is enclosed within profiled-cross-section cylinder body; The outer slide mass assembly of cylinder is made up of slide mass pedestal, slide mass magnet, and slide mass magnet is arranged on slide mass pedestal; Slide mass pedestal is provided with engaging lug, and engaging lug is connected with load; It is attracting that slide mass magnet and piston magnet form heteropole.When hydraulic system driven plunger magnet movement, just drive slide mass magnet to move together, thus drive slide mass pedestal to move together with load.Magnet case on the outer slide mass assembly of cylinder can improve the attraction force of magnet greatly.
The cross section of the profiled-cross-section cylinder body of design based on rectangle, optimum close-contact surface is had outward between the magnet that magnet in cylinder body and cylinder body match with it, thus the attracting suction of as far as possible large heteropole can be obtained, enable magnetic Rodless cylinder carry large load, expand its usage range.
The present invention is also applicable to magnetic no-rod cylinder.
The invention has the beneficial effects as follows:
1, enable magnetic Rodless cylinder carry large load, enable magnetic no-rod cylinder carry larger load.
2, due to the expansion of magnetic Rodless cylinder usage range, some new products may by innovative development, and the birth of such as new magnetic Rodless cylinder elevator will be the emergency staircase that personal safety accident can not occur first item.
3, magnetic Rodless cylinder (cylinder) need not prevent the outer moving element of cylinder body from rotating by guide rod specially.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 and Fig. 2 is the orthogonal example structure schematic diagram adding the magnetic Rodless cylinder of four rounding of angle of a kind of Cross section Design by profiled-cross-section cylinder body of the present invention, and wherein, Fig. 2 is the plan view of Fig. 1.
In Fig. 1 and Fig. 2,1, profiled-cross-section hydraulic pressure cylinder assembly; 11, profiled-cross-section cylinder body; 12, oil nozzle is passed in and out; 13, magnetic rodless piston; 14, piston magnet; 15, fitting seat; 2, the outer slide mass assembly of cylinder; 21, slide mass magnet; 22, magnet case; 23, slide mass pedestal; 24, engaging lug.
Fig. 3 is of the present invention a kind of by the example structure schematic diagram of piston magnet along the magnetic Rodless cylinder of the angled installation of oil cylinder axial direction.
In Fig. 3,1, profiled-cross-section hydraulic pressure cylinder assembly; 11, profiled-cross-section cylinder body; 12, oil nozzle is passed in and out; 13, magnetic rodless piston; 14, piston magnet; 2, the outer slide mass assembly of cylinder; 21, slide mass magnet; 22, magnet case; 23, slide mass pedestal.
Fig. 4 is the example structure schematic diagram that the orthogonal two ends of a kind of Cross section Design by profiled-cross-section cylinder body of the present invention become the magnetic Rodless cylinder of semicircle.
In Fig. 4,1, profiled-cross-section hydraulic pressure cylinder assembly; 11, profiled-cross-section cylinder body; 13, rodless piston; 14, piston magnet; 15, fitting seat; 2, the outer slide mass assembly of cylinder; 21, slide mass magnet; 22, magnet case; 23, slide mass pedestal; 24, engaging lug.
Fig. 5 is that a kind of Cross section Design by profiled-cross-section cylinder body of the present invention is orthogonal, and a pair opposite side of rectangle is a curve and makes it the example structure schematic diagram with another to the magnetic Rodless cylinder of opposite side smooth connection.
In Fig. 5,1, profiled-cross-section hydraulic pressure cylinder assembly; 11, profiled-cross-section cylinder body; 13, rodless piston; 14, piston magnet; 15, fitting seat; 2, the outer slide mass assembly of cylinder; 21, slide mass magnet; 22, magnet case; 23, slide mass pedestal; 24, engaging lug.
Fig. 6 is the profiled-cross-section cylinder body elongate structure schematic diagram needing in a kind of practical application of the present invention to commonly use.
In Fig. 6, the profiled-cross-section cylinder body bringing oil outlet into of 11A, process processing; The profiled-cross-section cylinder body not bringing oil outlet into of 11B, process processing; 15, fitting seat; 16, support brace; 17, ear is strained; 18, turnbuckle assembly; 19, seal ring.
Embodiment
Fig. 1 and Fig. 2 is the orthogonal example structure schematic diagram adding the magnetic Rodless cylinder of four rounding of angle of a kind of Cross section Design by profiled-cross-section cylinder body of the present invention.In Fig. 1 and Fig. 2, magnetic Rodless cylinder is arranged on required place by fitting seat (15), magnetic Rodless cylinder is made up of profiled-cross-section hydraulic pressure cylinder assembly (1) and the outer slide mass assembly (2) of cylinder, it is characterized in that: profiled-cross-section hydraulic pressure cylinder assembly (1) is made up of profiled-cross-section cylinder body (11) and rodless piston (13), profiled-cross-section cylinder body (11) has turnover oil nozzle (12) communicate with hydraulic system, hydraulic system is controlled oil cylinder by turnover oil nozzle (12); Rodless piston (13) is placed among profiled-cross-section cylinder body (11), and the cross section of its cross section and profiled-cross-section cylinder body (11) matches, and rodless piston (13) is configured with piston magnet (14); Hydraulic system drives rodless piston (13) and drives piston magnet (14) motion in profiled-cross-section cylinder body (11); The slide mass pedestal (23) being arranged on the outer slide mass assembly (2) of cylinder of profiled-cross-section cylinder body (11) outside is provided with slide mass magnet (21), and slide mass magnet (21) is with piston magnet (14) location matches and heteropole is attracting; Magnet case (22) is in order to improve suction; Engaging lug (24) is in order to connect load; When hydraulic system driven plunger magnet (14) moves in profiled-cross-section cylinder body (11), just attract slide mass magnet (21) and drive slide mass pedestal (23) to move together, engaging lug (24) on slide mass pedestal (23) just drives loading movement, completes engineering duty.
In Fig. 1 and Fig. 2, profiled-cross-section cylinder body (11) nonmagnetic substance with sufficient intensity makes, the radius of four rounding of angle of rectangular cross-section is enough large, to be conducive to the raw-material processing of profiled-cross-section cylinder body, be conducive to the sealing with rodless piston, be also conducive to the processing of rodless piston.The processing of profiled-cross-section cylinder body (11) accurate special-shaped cross section used tubing, than the processing difficulties of circular cross-section tubing, needs to formulate specialized processes, designs and develops and manufacture Special Equipment and clamping apparatus.
Piston magnet (14) and slide mass magnet (21) generally use nd-fe-b magnet, and its attraction force is larger.
Magnetic Rodless cylinder is because adopt rodless piston, leakage of oil outside cylinder can not be stretched out because of piston rod, therefore in a lot of situation, rodless piston (13) does not have large problem with the sealing of profiled-cross-section cylinder body (11), even if piston has oil leakage phenomenon slightly, it has still drained back to fuel tank from new use, and load is located by contact-making switch, leakage of oil does not have crucial effect to its location slightly, it should be noted that this advantage of magnetic Rodless cylinder in design.
Fig. 3 is of the present invention a kind of by the example structure schematic diagram of piston magnet along the magnetic Rodless cylinder installed along oil cylinder axial direction angle at 45 °.
In Fig. 3, piston magnet is installed along oil cylinder axial direction angle at 45 °.Installation direction between piston magnet (14) and slide mass magnet (21) and oil cylinder axes normal, although also can be with dynamic load, piston magnet is installed along oil cylinder axial direction angle at 45 ° can have larger axis to attract component in theory.In Fig. 3, through the magnetic line of force and profiled-cross-section cylinder body (11) the axis angle at 45 ° of piston magnet (14) and slide mass magnet (21), piston magnet (14) is for the attraction force of the slide mass magnet (21) of its left and right sides, side is for pushing away, side, for drawing, can obtain two magnet along about 0.7 times of axis heteropole phase suction.
In Fig. 3, principle is identical with Fig. 1, Fig. 2, and just magnet will be made oblique, and the involutory surface of the magnetic line of force and two magnet is angled, and all the other structural members require the installation adapting to magnet shape.
Fig. 4 is the example structure schematic diagram that the orthogonal two ends of a kind of Cross section Design by profiled-cross-section cylinder body of the present invention become the magnetic Rodless cylinder of semicircle.
In Fig. 4, the cross section of profiled-cross-section cylinder body is that a rectangle is in two ends semicircular in shape, such design is for the sealing of easy to process, the piston to cylinder body and large as much as possible close to area between piston magnet (14) and slide mass magnet (21), the total suction of favourable raising.
Fig. 5 is that a kind of Cross section Design by profiled-cross-section cylinder body of the present invention is orthogonal, and a pair opposite side of rectangle is a curve and makes it the example structure schematic diagram with another to the magnetic Rodless cylinder of opposite side smooth connection.
In Fig. 5, the cross section of profiled-cross-section cylinder body is a pair opposite side of a rectangle is a curve, this curve and another is to opposite side smooth connection, guarantee that profiled-cross-section cylinder block and magnetic piston are processed well, easily seal, not easy to wear.
In actual applications, often need to lengthen use, Fig. 6 is the profiled-cross-section cylinder body elongate structure schematic diagram needing in a kind of practical application of the present invention to commonly use to the cylinder body of profiled-cross-section magnetic Rodless cylinder of the present invention.
In Fig. 6, process the profiled-cross-section cylinder body (11A) bringing oil outlet into of crossette at process profiled-cross-section cylinder body (11) and have support brace (16) on the fitting seat (15) not bringing the profiled-cross-section cylinder body (11B) of oil outlet into processing contrary crossette; On cylinder body opposite welding tension ear (17) having support brace (16), tension ear (17) also must there is support brace (16); (11A) and (11B) strains by turnbuckle assembly (18); Seal ring (19) is guaranteed between cylinder body oil-proof.
Should illustrate, the structure of Fig. 1 to Fig. 5, the production of its key fitment, the i.e. production of profiled-cross-section cylinder body and magnet, all belong to new product development, all need to design special mould, wherein the production of profiled-cross-section cylinder body is more much more difficult than the production of traditional circular cylinder body, also needs to design a set of strict production technology.But, exactly because need special technology, just can expedite the emergence of the new mode of production, just can expedite the emergence of new product, such as safety without the elevator of human injury, over distance hydraulic conveying equipment (using because Rodless cylinder can couple together to lengthen), need the equipment of control especially automatically, need hydraulic driving but the equipment etc. of limited space.
The principle of magnetic no-rod cylinder is identical therewith, and only pneumatic system air pressure is low, and require different to materials and process, such as, cylinder can use aluminum alloy manufacture, and its intensity of magnetic Rodless cylinder of hydraulic system just not.
Claims (5)
1. profiled-cross-section magnetic Rodless cylinder/cylinder, is made up of profiled-cross-section hydraulic pressure cylinder assembly and the outer slide mass assembly of cylinder, it is characterized in that: profiled-cross-section hydraulic pressure cylinder assembly is made up of profiled-cross-section cylinder body and magnetic rodless piston; Profiled-cross-section cylinder body is provided with turnover oil nozzle, turnover oil nozzle is connected with hydraulic system, so that carry out hydraulic driving and control; The cross section of the internal diameter of hydraulic cylinder is not traditional circle, but the profiled-cross-section based on rectangle; Cylinder body is provided with fitting seat; Be provided with the magnetic rodless piston matched with cylinder diameter sectional shape in cylinder body, magnetic rodless piston be provided with piston magnet; Can slide along cylinder body in the outside that the outer slide mass assembly of cylinder is enclosed within profiled-cross-section cylinder body; The outer slide mass assembly of cylinder is made up of slide mass pedestal, slide mass magnet, and slide mass magnet is arranged on slide mass pedestal; Slide mass pedestal is provided with engaging lug, and engaging lug is connected with load; It is attracting that slide mass magnet and piston magnet form heteropole.
2. a kind of profiled-cross-section magnetic Rodless cylinder/cylinder as claimed in claim 1, is characterized in that: the cross section of profiled-cross-section cylinder body is the profiled-cross-section of four rounding of angle based on rectangle.
3. a kind of profiled-cross-section magnetic Rodless cylinder/cylinder as claimed in claim 1, is characterized in that: the cross section of profiled-cross-section cylinder body is based on rectangle, makes a pair opposite side semicircular in shape of rectangle and tangent to opposite side with another.
4. a kind of profiled-cross-section magnetic Rodless cylinder/cylinder as claimed in claim 1, is characterized in that: the cross section of profiled-cross-section cylinder body is based on rectangle, makes a pair opposite side of rectangle be a curve and makes it with another opposite side smooth connection.
5. a lengthening method for profiled-cross-section magnetic Rodless cylinder/cylinder block, is characterized in that: with the profiled-cross-section cylinder body through processing crossette and the profiled-cross-section cylinder body through processing contrary crossette, matching, have seal ring between fitting surface with crossette; Cylinder body there are tension ear and support brace, by tension ear and support brace, two profiled-cross-section cylinder bodies are strained with turnbuckle assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310593725.1A CN104653544A (en) | 2013-11-22 | 2013-11-22 | Irregular section type magnetic rodless hydraulic cylinder/ pneumatic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310593725.1A CN104653544A (en) | 2013-11-22 | 2013-11-22 | Irregular section type magnetic rodless hydraulic cylinder/ pneumatic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104653544A true CN104653544A (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310593725.1A Pending CN104653544A (en) | 2013-11-22 | 2013-11-22 | Irregular section type magnetic rodless hydraulic cylinder/ pneumatic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104653544A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105501230A (en) * | 2016-02-05 | 2016-04-20 | 陈德荣 | Hydraulic magnetomotive track transport system |
| CN106195099A (en) * | 2016-07-12 | 2016-12-07 | 嘉兴学院 | A kind of vapour vehicle shock-absorbing device |
| CN114264230A (en) * | 2021-12-23 | 2022-04-01 | 广西壮族自治区农业科学院 | Plant morphology index measuring device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0374618A (en) * | 1989-08-11 | 1991-03-29 | Seiko Epson Corp | Rod-less cylinder |
| WO2006098063A1 (en) * | 2005-03-14 | 2006-09-21 | Howa Machinery, Ltd. | Magnet-type rodless cylinder |
| CN101052814A (en) * | 2004-11-02 | 2007-10-10 | 丰和工业株式会社 | Magnet type rodless cylinder |
| CN101402164A (en) * | 2008-11-12 | 2009-04-08 | 娄底市中兴液压件有限公司 | Method for processing locating oil cylinder |
| CN101427032A (en) * | 2006-04-21 | 2009-05-06 | 费斯托股份有限两合公司 | Fluid activated linear drive apparatus |
-
2013
- 2013-11-22 CN CN201310593725.1A patent/CN104653544A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0374618A (en) * | 1989-08-11 | 1991-03-29 | Seiko Epson Corp | Rod-less cylinder |
| CN101052814A (en) * | 2004-11-02 | 2007-10-10 | 丰和工业株式会社 | Magnet type rodless cylinder |
| WO2006098063A1 (en) * | 2005-03-14 | 2006-09-21 | Howa Machinery, Ltd. | Magnet-type rodless cylinder |
| CN101427032A (en) * | 2006-04-21 | 2009-05-06 | 费斯托股份有限两合公司 | Fluid activated linear drive apparatus |
| CN101402164A (en) * | 2008-11-12 | 2009-04-08 | 娄底市中兴液压件有限公司 | Method for processing locating oil cylinder |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105501230A (en) * | 2016-02-05 | 2016-04-20 | 陈德荣 | Hydraulic magnetomotive track transport system |
| CN106195099A (en) * | 2016-07-12 | 2016-12-07 | 嘉兴学院 | A kind of vapour vehicle shock-absorbing device |
| CN106195099B (en) * | 2016-07-12 | 2019-01-11 | 嘉兴学院 | A kind of automobile damping device |
| CN114264230A (en) * | 2021-12-23 | 2022-04-01 | 广西壮族自治区农业科学院 | Plant morphology index measuring device |
| CN114264230B (en) * | 2021-12-23 | 2023-12-01 | 广西壮族自治区农业科学院 | Plant morphological index measuring device |
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Application publication date: 20150527 |