CN112393009A - Buffer type pneumatic actuator - Google Patents

Buffer type pneumatic actuator Download PDF

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Publication number
CN112393009A
CN112393009A CN202011366130.9A CN202011366130A CN112393009A CN 112393009 A CN112393009 A CN 112393009A CN 202011366130 A CN202011366130 A CN 202011366130A CN 112393009 A CN112393009 A CN 112393009A
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CN
China
Prior art keywords
piston
pneumatic actuator
cylinder block
fixed plate
pressure spring
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.)
Withdrawn
Application number
CN202011366130.9A
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Chinese (zh)
Inventor
李平平
王毅
徐天同
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Huilang Machinery Technology Co ltd
Original Assignee
Jiangsu Huilang Machinery Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Huilang Machinery Technology Co ltd filed Critical Jiangsu Huilang Machinery Technology Co ltd
Priority to CN202011366130.9A priority Critical patent/CN112393009A/en
Publication of CN112393009A publication Critical patent/CN112393009A/en
Withdrawn legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • F16K31/1225—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston with a plurality of pistons
    • 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
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/226—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads
    • 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
    • F15B21/048—Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Actuator (AREA)

Abstract

The invention relates to the technical field of pneumatic actuators, in particular to a buffer type pneumatic actuator, which solves the defects in the prior art and comprises a cylinder body, wherein the left side and the right side of an inner cavity of the cylinder body are respectively connected with a first piston and a second piston in a sliding manner, the front side and the back side of the inner cavity of the cylinder body are rotatably connected with an output rotating shaft through bearings, a gear is sleeved on the outer surface of the output rotating shaft, the cylinder body, the first piston, the second piston, the output rotating shaft, the gear, a first tooth plate and a second tooth plate are arranged to jointly construct the pneumatic actuator, the first piston and the second piston can be buffered through arranging a fixing plate, a sliding groove, a first pressure spring and a second pressure spring, the pneumatic actuator has the advantage of buffering when in use through arranging the structure, and solves the problem that the original pneumatic actuator cannot buffer when in use, thereby avoiding influencing the service life and the reliability of the valve and the pneumatic actuator.

Description

Buffer type pneumatic actuator
Technical Field
The invention relates to the technical field of pneumatic actuators, in particular to a buffer type pneumatic actuator.
Background
The pneumatic actuator is an actuating device for opening and closing or adjusting a valve by air pressure, is also called a pneumatic actuating mechanism or a pneumatic device, but is generally called a pneumatic head, and is sometimes provided with a certain auxiliary device.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a buffer type pneumatic actuator.
In order to achieve the purpose, the invention adopts the following technical scheme:
a buffer type pneumatic actuator comprises an air cylinder body, wherein the left side and the right side of an inner cavity of the air cylinder body are respectively and slidably connected with a first piston and a second piston, the front surface and the back surface of the inner cavity of the air cylinder body are rotatably connected with an output rotating shaft through bearings, a gear is sleeved on the outer surface of the output rotating shaft, a first tooth plate is fixedly connected to the top of the right side of the first piston, the first tooth plate is meshed with the gear, a second tooth plate is fixedly connected to the bottom of the left side of the second piston, the second tooth plate is meshed with the gear, fixed plates are fixedly connected to the top and the bottom of the inner cavity of the air cylinder body, sliding grooves matched with the fixed plates are formed in the sides, away from the gear, of the first tooth plate and the second tooth plate, a first pressure spring is fixedly connected to the inner cavity of the sliding grooves and the side, away from the fixed plates, one side of the fixed plate, far away from the first pressure spring, is fixedly connected with a second pressure spring, and one side of the second pressure spring, far away from the fixed plate, is fixedly connected with the joint of the chute.
Preferably, the left side and the right side of the cylinder body are both communicated with a first pipe nozzle, and a first electromagnetic valve is arranged in the first pipe nozzle.
Preferably, the top of the cylinder block is communicated with a second nozzle, and a second electromagnetic valve is arranged in the second nozzle.
Preferably, the front surface of the output rotating shaft penetrates through the cylinder body and is fixedly connected with an adjusting bolt.
Preferably, a first air chamber is arranged on one side of the first piston opposite to the second piston, and a second air chamber is arranged on the outer side of the first piston and the outer side of the second piston.
Preferably, the dehumidifying plates are uniformly bonded to the left side and the right side of the inner cavity of the cylinder block.
The invention has the beneficial effects that:
1. according to the pneumatic actuator, the cylinder body, the first piston, the second piston, the output rotating shaft, the gear, the first tooth plate and the second tooth plate are arranged to jointly construct the pneumatic actuator, the first piston and the second piston can be buffered by arranging the fixing plate, the sliding groove, the first pressure spring and the second pressure spring, the pneumatic actuator has the advantage of buffering when in use through the structure, the problem that the original pneumatic actuator cannot buffer when in use is solved, and therefore the service life and the reliability of a valve and the pneumatic actuator are prevented from being influenced.
2. The device can normally operate by arranging the first pipe nozzle and the first electromagnetic valve;
the device can normally operate by arranging the second nozzle and the second electromagnetic valve;
by arranging the adjusting bolt, the device can be conveniently and directly operated to maintain the normal operation of production when power failure, gas cut-off, no output of a controller or failure of an actuating mechanism occur;
through setting up the board that removes damp, aqueous vapor that can effectual reduction second air chamber is favorable to increase of service life, has improved the security.
Drawings
Fig. 1 is a schematic structural diagram of a buffer type pneumatic actuator according to the present invention;
FIG. 2 is a perspective view of the connection between the output shaft and the gear structure of the buffer pneumatic actuator according to the present invention;
FIG. 3 is a perspective view of a connection structure of a first tooth plate and a sliding groove of the buffer type pneumatic actuator according to the present invention;
fig. 4 is a front view of a cylinder block structure of a cushion type pneumatic actuator according to the present invention.
In the figure: 1. a cylinder block; 2. a first piston; 3. a second piston; 4. an output shaft; 5. a gear; 6. a first tooth plate; 7. a second tooth plate; 8. a fixing plate; 9. a chute; 10. a first pressure spring; 11. a second pressure spring; 12. a first nozzle; 13. a first solenoid valve; 14. a second nozzle; 15. a second solenoid valve; 16. adjusting the bolt; 17. a first air chamber; 18. a second air chamber; 19. and (7) a moisture removing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a buffer type pneumatic actuator comprises a cylinder block 1, wherein a first piston 2 and a second piston 3 are slidably connected to the left side and the right side of an inner cavity of the cylinder block 1, an output rotating shaft 4 is rotatably connected to the front side and the back side of the inner cavity of the cylinder block 1 through bearings, a gear 5 is sleeved on the outer surface of the output rotating shaft 4, a first tooth plate 6 is fixedly connected to the top of the right side of the first piston 2, the first tooth plate 6 is meshed with the gear 5, a second tooth plate 7 is fixedly connected to the bottom of the left side of the second piston 3, the second tooth plate 7 is meshed with the gear 5, a fixed plate 8 is fixedly connected to the top and the bottom of the inner cavity of the cylinder block 1, a chute 9 matched with the fixed plate 8 is formed in one side of the first tooth plate 6 and the second tooth plate 7 away from the gear 5, a first pressure, one side of the first pressure spring 10 close to the fixed plate 8 is fixedly connected with the joint of the fixed plate 8, one side of the fixed plate 8 far away from the first pressure spring 10 is fixedly connected with a second pressure spring 11, one side of the second pressure spring 11 far away from the fixed plate 8 is fixedly connected with the joint of the chute 9, the pneumatic actuator is constructed by arranging the cylinder body 1, the first piston 2, the second piston 3, the output rotating shaft 4, the gear 5, the first tooth plate 6 and the second tooth plate 7, the first piston 2 and the second piston 3 can be buffered by arranging the fixing plate 8, the sliding chute 9, the first pressure spring 10 and the second pressure spring 11, through setting up above structure, possess the advantage that pneumatic actuator can cushion when using, solved original pneumatic actuator when using, can not cushion the problem to avoid influencing life and the reliability of valve and pneumatic actuator.
In this embodiment, the left and right sides of the cylinder block 1 are both communicated with the first nozzle 12, the first solenoid valve 13 is arranged in the first nozzle 12, and the device can be operated normally by arranging the first nozzle 12 and the first solenoid valve 13.
In this embodiment, the top of the cylinder block 1 is communicated with a second nozzle 14, a second electromagnetic valve 15 is arranged in the second nozzle 14, and the device can operate normally by arranging the second nozzle 14 and the second electromagnetic valve 15.
In this embodiment, the front surface of the output rotating shaft 4 penetrates through the cylinder block 1 and is fixedly connected with the adjusting bolt 16, and by arranging the adjusting bolt 16, the device can be conveniently and directly operated by using the device when power failure, gas cut-off, no output of a controller or failure of an actuating mechanism occur, so that normal operation of production is maintained.
In this embodiment, a first air chamber 17 is provided on the side of the first piston 2 opposite to the second piston 3, and a second air chamber 18 is provided on the outside of the first piston 2 and the second piston 3.
In this embodiment, the moisture removing plate 19 is uniformly bonded to the left side and the right side of the inner cavity of the cylinder body 1, and the moisture of the second air chamber 18 can be effectively reduced by arranging the moisture removing plate 19, so that the service life can be prolonged, and the safety is improved.
The specific implementation process of the invention is as follows: connecting a first pipe nozzle 12 and a second pipe nozzle 14 with an external gas source compression device, connecting an adjusting bolt 16 with a valve, electrifying plugs of a first electromagnetic valve 13 and a second electromagnetic valve 15, starting an external controller of the first electromagnetic valve 13 and the second electromagnetic valve 15, opening the first electromagnetic valve 13 and the second electromagnetic valve 15, then enabling gas to enter a first air chamber 17 from the second pipe nozzle 14 to extrude a first piston 2 and a second piston 3 to move towards two sides, stretching the first pressure spring 10 by a fixing plate 8 while the first piston 2 and the second piston 3 move towards two sides, extruding the second pressure spring 11 by the fixing plate 8, thereby enabling the first pressure spring 10 and the second pressure spring 11 to be matched for use, buffering the first piston 2 and the second piston 3, then exhausting gas of a second air chamber 18 from the first pipe nozzle 12, and simultaneously driving a first tooth plate 6 and a second tooth plate 7 to move to enable a gear 5 to rotate, the gear 5 drives the adjusting bolt 16 to move through the output rotating shaft 4 to open the valve, when the valve is closed, the external air source compression device controls air to enter the second air chamber 18 from the first nozzle 12 to extrude the first piston 2 and the second piston 3 to move towards the middle, while the first piston 2 and the second piston 3 move toward the middle, the fixing plate 8 presses the first compression spring 10, meanwhile, the fixing plate 8 stretches the second compression spring 11, so that the first compression spring 10 and the second compression spring 11 are matched, the first piston 2 and the second piston 3 are buffered, the gas of the first gas chamber 17 is discharged from the second nozzle 14, simultaneously drives the first tooth plate 6 and the second tooth plate 7 to move so as to rotate the gear 5, the gear 5 drives the adjusting bolt 16 to move through the output rotating shaft 4 so as to close the valve, the device is simple to operate, and the service life and the reliability of the valve and the pneumatic actuator are effectively prevented from being influenced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (6)

1. The utility model provides a buffering type pneumatic actuator, includes cylinder block (1), its characterized in that, the equal sliding connection in the left and right sides of cylinder block (1) inner chamber has first piston (2) and second piston (3), the front and the back of cylinder block (1) inner chamber are rotated through the bearing and are connected with output pivot (4), gear (5) have been cup jointed to the surface of output pivot (4), first tooth board (6) of top fixedly connected with on first piston (2) right side, first tooth board (6) and gear (5) meshing, second tooth board (7) of left bottom fixedly connected with of second piston (3), second tooth board (7) and gear (5) meshing, the equal fixedly connected with fixed plate (8) in top and the bottom of cylinder block (1) inner chamber, the smooth of using with fixed plate (8) cooperation is all seted up to one side that gear (5) were kept away from to first tooth board (6) and second tooth board (7), and is used with fixed plate (8) cooperation Groove (9), the inner chamber of spout (9) and keep away from first pressure spring (10) of one side fixedly connected with of fixed plate (8), one side that first pressure spring (10) and fixed plate (8) close to mutually is with the junction fixed connection of fixed plate (8), one side fixedly connected with second pressure spring (11) of first pressure spring (10) are kept away from to fixed plate (8), the junction fixed connection of one side and spout (9) of fixed plate (8) is kept away from to second pressure spring (11).
2. A buffer type pneumatic actuator according to claim 1, wherein the left and right sides of the cylinder block (1) are communicated with a first nozzle (12), and a first electromagnetic valve (13) is arranged in the first nozzle (12).
3. A buffer type pneumatic actuator according to claim 1, wherein the top of the cylinder block (1) is communicated with a second nozzle (14), and a second electromagnetic valve (15) is arranged in the second nozzle (14).
4. A buffer-type pneumatic actuator according to claim 1, wherein the front surface of the output rotary shaft (4) penetrates the cylinder block (1) and is fixedly connected with an adjusting bolt (16).
5. A buffer-type pneumatic actuator according to claim 1, wherein a first air chamber (17) is provided on the side opposite to the first piston (2) and the second piston (3), and a second air chamber (18) is provided on the outside of the first piston (2) and the second piston (3).
6. A cushion-type pneumatic actuator as claimed in claim 1, wherein moisture-removing plates (19) are bonded uniformly to the left and right sides of the inner cavity of the cylinder block (1).
CN202011366130.9A 2020-11-29 2020-11-29 Buffer type pneumatic actuator Withdrawn CN112393009A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011366130.9A CN112393009A (en) 2020-11-29 2020-11-29 Buffer type pneumatic actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011366130.9A CN112393009A (en) 2020-11-29 2020-11-29 Buffer type pneumatic actuator

Publications (1)

Publication Number Publication Date
CN112393009A true CN112393009A (en) 2021-02-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011366130.9A Withdrawn CN112393009A (en) 2020-11-29 2020-11-29 Buffer type pneumatic actuator

Country Status (1)

Country Link
CN (1) CN112393009A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113418049A (en) * 2021-05-22 2021-09-21 邵曙 Pneumatic valve actuator with emergency stop protection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113418049A (en) * 2021-05-22 2021-09-21 邵曙 Pneumatic valve actuator with emergency stop protection device

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PB01 Publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20210223

WW01 Invention patent application withdrawn after publication