CN114076131B - Automatic reverser for air cylinder - Google Patents
Automatic reverser for air cylinder Download PDFInfo
- Publication number
- CN114076131B CN114076131B CN202010841726.3A CN202010841726A CN114076131B CN 114076131 B CN114076131 B CN 114076131B CN 202010841726 A CN202010841726 A CN 202010841726A CN 114076131 B CN114076131 B CN 114076131B
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- CN
- China
- Prior art keywords
- air
- piston
- valve
- assembly
- rod
- 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.)
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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
- F15B15/1423—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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
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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
- F15B15/1423—Component parts; Constructional details
- F15B15/1438—Cylinder to end cap assemblies
-
- 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
- F15B15/1447—Pistons; Piston to piston rod assemblies
-
- 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
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
-
- 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
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/202—Externally-operated valves mounted in or on the actuator
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Actuator (AREA)
Abstract
The invention provides an automatic air cylinder commutator, which comprises a cylinder seat assembly, a piston assembly and a reversing valve assembly, wherein the piston assembly is arranged in the cylinder seat assembly and can move back and forth along the left end and the right end of the cylinder seat assembly, the reversing valve assembly is arranged in the piston assembly and can move back and forth along the left end and the right end of the piston assembly, the inner space of the cylinder seat assembly is divided into a first air volume space and a second air volume space by the piston assembly, and the inner space of the piston assembly is divided into a third air volume space and a fourth air volume space by the reversing valve assembly.
Description
Technical Field
The invention relates to the field of air cylinders, in particular to an automatic air cylinder commutator.
Background
When the function of automatic continuous circulation is realized by the conventional air cylinder, the automatic continuous circulation of the air cylinder can be realized by means of electric and external auxiliary equipment. However, the efficiency of external electrical and external auxiliary equipment is difficult to achieve, and difficult to fit, and life is limited, giving people many unnecessary difficulties.
Disclosure of Invention
The invention mainly aims to provide an automatic cylinder commutator capable of realizing automatic continuous circulation and automatic commutation.
It is still another object of the present invention to provide an automatic cylinder commutator that provides operational efficiency and increases service life.
The invention adopts the technical scheme that: the automatic cylinder reverser comprises a cylinder seat assembly, a piston assembly and a reversing valve assembly, wherein the piston assembly is arranged in the cylinder seat assembly and can move back and forth along the left end and the right end of the cylinder seat assembly, the reversing valve assembly is arranged in the piston assembly and can move back and forth along the left end and the right end of the piston assembly, the cylinder seat assembly comprises a cylinder sleeve and a left cylinder cover and a right cylinder cover which are arranged at the left end and the right end of the cylinder sleeve, the piston assembly comprises a piston rod and a piston part which is annularly arranged at the periphery of the piston rod, the piston part moves back and forth at the left end and the right end of the cylinder sleeve, the piston part divides the inner space of the cylinder sleeve into a first air volume space and a second air volume space by the piston part, the right end surface of the piston part is provided with a first air inlet and outlet which is communicated with the inside of the piston rod and a second air volume space, the left end surface of the piston part is provided with a second air inlet and a second air outlet which is communicated with the inside of the piston rod, the left end of the piston rod is provided with a piston driving valve inlet and the piston rod, the reversing valve part is connected with the left end of the piston rod and the piston rod is respectively pushed by the second air inlet and the second air outlet, the valve rod is respectively communicated with the second air inlet and the second air outlet end of the second air outlet, the air outlet is respectively arranged at the inner wall of the second air outlet end of the piston rod and the second air outlet end, the air outlet is communicated with the second air outlet end of the second air valve, the air outlet is respectively, the air inlet end and the air outlet valve is communicated with the air inlet valve, and the air outlet valve is respectively, and the air outlet valve is opened, the gas expansion of the fourth gas volume pushes the reversing valve assembly to move to the limit position in the left end direction of the piston assembly, so that the driving gas source enters the interior of the first gas volume, the gas expansion of the first gas volume pushes the piston assembly to move to the limit position in the right end direction of the cylinder seat assembly, the driving gas source enters the interior of the third gas volume, and the gas expansion of the third gas volume pushes the reversing valve assembly to move to the limit position in the right end direction of the cylinder seat assembly, so that the reciprocating circulation is realized.
The left and right ends of the piston rod are provided with stroke control blocks for limiting the valve to reach the limit position.
The beneficial effects of the invention are as follows: the invention can realize the automatic continuous circulation of the cylinder back and forth under the condition of no electric or external auxiliary equipment through the unique structural design, can avoid the current need of external auxiliary electric or mechanism reversing and reversing, can realize stepless speed regulation, improves the working efficiency and prolongs the service life.
Drawings
Fig. 1 is a view showing a state in which a piston assembly of the present invention starts to move left.
Fig. 2 is a view showing a state in which the piston assembly of the present invention is moved to the left to the extreme position.
Fig. 3 is a view showing a state that the reversing valve assembly of the present invention is moved to the left to the limit position.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 to 2 together, the present invention provides an automatic cylinder diverter, which includes a cylinder seat assembly 10, a piston assembly 20 and a diverter valve assembly 30, wherein the piston assembly 20 is installed in the cylinder seat assembly 10 and can move back and forth along the left and right ends of the cylinder seat assembly 10, the diverter valve assembly 30 is installed in the piston assembly 20 and can move back and forth along the left and right ends of the piston assembly 20, the piston assembly 20 divides the inner space of the cylinder seat assembly 10 into a first air volume a and a second air volume B, the diverter valve assembly 30 divides the inner space of the piston assembly 20 into a third air volume C and a fourth air volume D, so that a driving air source E enters the inner space of the second air volume B, the driving air source E is pushed to a limit position by the air expansion of the second air volume B, the driving air source E enters the inner space of the fourth air volume D by the air expansion of the second air volume B, the driving air source E is pushed to the limit position by the air expansion valve assembly 30 of the fourth air volume D, the driving air source E is pushed to the limit position by the air expansion valve assembly C in the air expansion valve assembly, and the air source E is pushed to the limit position by the air expansion valve assembly C in the air volume C, and the air source is pushed to the limit position by the air expansion valve assembly, and the air source E is pushed to the limit position by the air expansion valve assembly to the inner cylinder assembly 20 by the air expansion valve assembly.
The cylinder block assembly 10 includes a cylinder liner 11, and left and right cylinder heads 12 and 13 provided at left and right ends of the cylinder liner 11.
The piston assembly 20 includes a piston rod 21 and a piston portion 22 disposed around the piston rod 21, the piston portion 22 being moved back and forth at both left and right ends of the cylinder liner 11.
The piston portion 22 divides the inner space 11 of the cylinder liner 11 into a first air volume a and a second air volume B.
The right end face of the piston portion 22 is provided with a first air inlet/outlet 221 which is communicated with the interior of the piston rod 21 and is communicated with the second air volume B, the left end face of the piston portion 22 is provided with a second air inlet/outlet 222 which is communicated with the interior of the piston rod 21 and is communicated with the first air volume a, and the left end and the right end of the piston rod 21 are provided with piston driving valve air inlet/outlet 211.
The reversing valve assembly 30 comprises a valve 31, an air inlet rod 32 connected to the left end of the valve 31, and an air outlet rod 33 connected to the right end of the valve 31, wherein a third air volume space C is partitioned by the air inlet rod 32 and the inner wall of the piston rod 21, a fourth air volume space D is partitioned by the air outlet rod 33 and the inner wall of the piston rod 21, and the valve 31 is provided with a valve air inlet 311 communicated with the air inlet rod 32, a first valve air outlet 312 communicated with the air outlet rod 33, and a second valve air outlet 31 3 respectively communicated with the first valve air outlet 311 and the air outlet rod 33.
When the piston 22 contacts the right cylinder cover 13, the driving air source E enters the second air volume space B through the valve air inlet 311, so that the air expansion of the second air volume space B pushes the piston 22 to move towards the left cylinder cover 12 of the cylinder seat assembly 10, meanwhile, the first air volume space a is reduced along with the air expansion of the second air volume space B, so that the air of the first air volume space a enters the air outlet rod 33 through the second air inlet/outlet 222 and the second valve air outlet 312, is discharged outwards through the air outlet rod 33, after the piston 22 contacts the left cylinder cover 12, the piston 22 is blocked by the left cylinder cover 12 and stops moving towards the left, at this time, the driving air source E enters the fourth air volume space D through the piston driving air inlet/outlet 211 at the right end of the piston rod 21, and pushes the valve 31 to move towards the left to the limit position continuously through the air expansion of the fourth air volume space D, and at this time, the air of the third air volume space C is discharged outwards through the piston driving air inlet/outlet 211 at the left end of the piston rod 21.
Conversely, when the valve 31 moves to the left to the limit position, the driving air source E enters the first air volume space a through the valve air inlet 311, so that the air expansion of the first air volume space a pushes the piston portion 22 to move to the right to the limit position, at this time, the driving air source E enters the third air volume space C through the piston driving air inlet 211 at the left end of the piston rod 21, and the valve 31 is pushed to move to the right to the limit position through the air expansion of the third air volume space C, and at the same time, the fourth air volume space D is contracted along with the air expansion of the third air volume space C, so that the air of the fourth air volume space D is discharged to the outside through the piston driving air inlet 211 at the right end of the piston rod 21.
The left and right ends of the piston rod 21 are provided with stroke control blocks 212 for limiting the arrival of the valve 31 at the limit positions.
It is noted that the first air chamber a, the second air chamber B are piston movement spaces, and are respectively driven and discharged by an air source according to the movement direction, while the third air chamber C, the fourth air chamber D are reversing valve movement spaces, and are respectively driven and discharged by an air source according to the movement direction.
The invention can realize the automatic and continuous circulation of the cylinder back and forth under the condition of no electric or external auxiliary equipment through the unique structural design, can avoid the current need of external auxiliary electric or mechanical reversing, can realize stepless speed regulation, improves the working efficiency and prolongs the service life.
The embodiments of the present invention and the accompanying drawings are only for illustrating the design concept of the present invention, and the scope of the present invention should not be limited to this embodiment.
From the above, it can be seen that the design object of the present invention can be effectively implemented. Portions of the embodiments illustrate the objects of the invention, as well as the functional and structural subject matter of the implementation, and include other equivalents and alternatives. Therefore, the invention is defined by the claims to include other equivalent implementations, with reference to the claims for the full scope of the claims.
Claims (2)
1. An automatic commutator for a cylinder is characterized in that: the cylinder seat assembly comprises a cylinder sleeve, a left cylinder cover and a right cylinder cover which are arranged at the left end and the right end of the cylinder sleeve, the piston assembly comprises a piston rod and a piston part which is arranged around the periphery of the piston rod in a surrounding way, the piston part moves back and forth at the left end and the right end of the cylinder sleeve, the inner space of the cylinder sleeve is divided into a first air volume space and a second air volume space by the piston part, the right end surface of the piston part is provided with a first air inlet and outlet which is communicated with the inner part of the piston rod and the second air volume space, the left end surface of the piston part is provided with a second air inlet and outlet which is communicated with the inner part of the piston rod and the first air volume space, the left and right ends of the piston rod are provided with piston driving valve air inlet and outlet, the reversing valve assembly comprises a valve, an air inlet rod connected to the left end of the valve and an air outlet rod connected to the right end of the valve, a third air volume space is separated by the air inlet rod and the inner wall of the piston rod, a fourth air volume space is separated by the air outlet rod and the inner wall of the piston rod, the valve is provided with a valve air inlet communicated with the air inlet rod, a first valve air outlet communicated with the air outlet rod and a second valve air outlet respectively communicated with the first valve air outlet and the air outlet rod, so that a driving air source enters the second air volume space, the piston assembly is pushed to move to a limit position in the left end direction of the cylinder seat assembly by the air expansion of the second air volume space, and the driving air source enters the fourth air volume space, the gas expansion of the fourth gas volume pushes the reversing valve assembly to move to the limit position in the left end direction of the piston assembly, so that the driving gas source enters the interior of the first gas volume, the gas expansion of the first gas volume pushes the piston assembly to move to the limit position in the right end direction of the cylinder seat assembly, the driving gas source enters the interior of the third gas volume, and the gas expansion of the third gas volume pushes the reversing valve assembly to move to the limit position in the right end direction of the cylinder seat assembly, so that the reciprocating circulation is realized.
2. An automatic cylinder commutator as defined in claim 1, in which the left and right ends of the piston rod are provided with stroke control blocks for limiting the valve to the limit position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010841726.3A CN114076131B (en) | 2020-08-20 | 2020-08-20 | Automatic reverser for air cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010841726.3A CN114076131B (en) | 2020-08-20 | 2020-08-20 | Automatic reverser for air cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114076131A CN114076131A (en) | 2022-02-22 |
| CN114076131B true CN114076131B (en) | 2023-10-13 |
Family
ID=80281988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010841726.3A Active CN114076131B (en) | 2020-08-20 | 2020-08-20 | Automatic reverser for air cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114076131B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3139194A (en) * | 1961-03-09 | 1964-06-30 | Gleason Works | Work transfer mechanism |
| CN2235862Y (en) * | 1993-12-27 | 1996-09-25 | 崔文孔 | Automatic reciprocating water-spraying device |
| JPH09229007A (en) * | 1996-02-28 | 1997-09-02 | Izumi Prod Co | Cylinder device of pressure intensified type |
| CN107178536A (en) * | 2017-07-14 | 2017-09-19 | 南通理工智能制造技术有限公司 | A kind of integral type automatic reciprocating air cylinder device |
| CN109611305A (en) * | 2018-12-01 | 2019-04-12 | 李军 | A kind of booster water pump |
-
2020
- 2020-08-20 CN CN202010841726.3A patent/CN114076131B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3139194A (en) * | 1961-03-09 | 1964-06-30 | Gleason Works | Work transfer mechanism |
| CN2235862Y (en) * | 1993-12-27 | 1996-09-25 | 崔文孔 | Automatic reciprocating water-spraying device |
| JPH09229007A (en) * | 1996-02-28 | 1997-09-02 | Izumi Prod Co | Cylinder device of pressure intensified type |
| CN107178536A (en) * | 2017-07-14 | 2017-09-19 | 南通理工智能制造技术有限公司 | A kind of integral type automatic reciprocating air cylinder device |
| CN109611305A (en) * | 2018-12-01 | 2019-04-12 | 李军 | A kind of booster water pump |
Non-Patent Citations (1)
| Title |
|---|
| 直动往复泵自动换向机构;徐桂云, 刘金德, 魏忠才;流体机械(第06期);第35-37页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114076131A (en) | 2022-02-22 |
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