CN113357428B

CN113357428B - High-frequency long-life swing arm type pneumatic actuating mechanism

Info

Publication number: CN113357428B
Application number: CN202110781454.7A
Authority: CN
Inventors: 刘志君
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2023-03-14
Anticipated expiration: 2041-07-12
Also published as: CN113357428A

Abstract

The invention discloses a swing arm type pneumatic actuator with high frequency and long service life, which relates to the technical field of monitoring modules, and particularly relates to a swing arm type pneumatic actuator with high frequency and long service life. This high frequency high life's swing arm formula pneumatic actuator is provided with the piston rod, and the face that the piston rod contacted with the cylinder inner wall has set up the stainless steel piece, and stainless steel piece and high manganese steel layer are wear-resisting material, and the surface is polished smoothly, can reduce wear like this, avoids causing the piston rod life to shorten because of the friction is too big.

Description

High-frequency long-life swing arm type pneumatic actuating mechanism

Technical Field

The invention relates to the technical field of pneumatic actuating mechanisms, in particular to a swing arm type pneumatic actuating mechanism with high frequency and long service life.

Background

Pneumatic actuating mechanism is the final controlling element on the governing valve, mainly plays the drive and opens and close and the effect of governing valve, along with the continuous progress of present production technique, and many trades are to the requirement of safety more and more high, consequently, constantly increase pneumatic actuating mechanism's demand to compressed air is power, carries out reciprocal linear motion to the piston in the cylinder, and mainly wide application can further improve the security of automation technology in the automation mechanized operation now.

The existing pneumatic actuating mechanism has the defects that when a piston reciprocates in the using process, friction force exists in the movement of the existing pneumatic actuating mechanism, so that the service life of the piston rod is easily influenced, the abrasion is large, in addition, the whole structure of the swing arm type pneumatic actuating mechanism is too complex, the operation is difficult, and meanwhile, the frequency is low in the swing arm process.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a swing arm type pneumatic actuating mechanism with high frequency and long service life, which solves the problems that the service life of a piston rod is easily influenced and the abrasion is large because friction force exists when a piston reciprocates in the use process of the conventional pneumatic actuating mechanism in the background technology, and the whole structure of the swing arm type pneumatic actuating mechanism is too complex, the operation is difficult and the frequency is low in the swing arm process.

In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a high frequency high life's swing arm formula pneumatic actuator, includes cylinder and carousel, the internally mounted of cylinder has the piston rod, and the inner wall of cylinder is provided with the high manganese steel layer, the right side surface arrangement of piston rod has the push pedal, and the right side of push pedal is provided with the sucking disc, the right side of cylinder is connected with the gas port, the left side of piston rod is connected with the spring, and the below of piston rod has placed the connecting plate, the fixed surface of connecting plate has the tooth board, and the below of tooth board installs the gear, the intermediate junction of gear has the connecting axle, and the top of connecting axle installs the installation axle, the top of carousel is provided with the connecting rod, and the carousel is located the top of installation axle, the protective shroud has been cup jointed in the outside of installation axle.

Optionally, the surface of the piston rod comprises a groove, a rubber rod, a stainless steel block and an operating rod, the rubber rod is filled in the groove, the operating rod is connected to the left side of the rubber rod, and the stainless steel blocks are arranged on the surfaces of the upper end and the lower end of the piston rod.

Optionally, the stainless steel block is tightly attached to the high manganese steel layer, and the groove, the rubber rod and the operating rod are of an integrated structure.

Optionally, the inside of connecting axle is including fixed axle, commentaries on classics board, pivot and spout, and the below of fixed axle is provided with changes the board, change the centre of board and install the pivot, the spout has been seted up on the left side surface of connecting axle.

Optionally, the rotating plate and the rotating shaft are matched with each other to form a rotating structure, and the rotating range between the rotating plate and the rotating shaft is limited.

Optionally, the inside of installation axle is including round hole, slide, gravity ball, location axle and acting as go-between, and the inboard of round hole is provided with the slide, the gravity ball is installed to the inside gomphosis of slide, and the upper end surface of slide is provided with the location axle, the surface of gravity ball is provided with acts as go-between.

Optionally, the sliding plate and the sliding groove are matched with each other to form a sliding structure, and the gravity ball is in contact connection with the positioning shaft, the fixing shaft and the rotating plate through a pull wire.

Optionally, the surface of carousel is including the annular, support pole, threaded shaft, cardboard and montant, and the inside of annular is provided with supports the pole, the inboard of supporting the pole is connected with the cardboard, and supports the inside of pole and run through and be provided with the threaded shaft, the inboard of carousel is provided with the montant.

Optionally, the top of the connecting rod comprises a movable rod, a circular shaft, an upper rod, a push rod and an oil cylinder, the circular shaft is arranged between the movable rod and the upper rod, the end, away from the movable rod, of the upper rod is connected with the push rod, and the bottom end of the push rod is connected with the oil cylinder.

The invention provides a swing arm type pneumatic actuating mechanism with high frequency and long service life, which has the following beneficial effects:

1. this high frequency high life's swing arm formula pneumatic actuator is provided with the piston rod, and the face that the piston rod contacted with the cylinder inner wall has set up the stainless steel piece, and stainless steel piece and high manganese steel layer are wear-resisting material, and the surface is polished smoothly, can reduce wear like this, avoids shortening because of the too big piston rod life that causes of friction.

2. This swing arm formula pneumatic actuator of high frequency high life is provided with the connecting axle, and the connecting axle uses with installing to mutually support between the axle, and the effect of a location is mainly played in the setting of fixed axle, adjusts the direction of acting as go-between, and the setting of spout can increase and install the activity between the axle, lets whole rotation process have certain elasticity activity space, if be fixed connection between installation axle and the connecting axle, in long-time reciprocating motion, the flexibility reduces, causes the frequency to receive the influence.

3. This high frequency high life's swing arm formula pneumatic actuator is provided with the installation axle, installation axle and carousel interconnect cooperation, the setting of slide, mutually support with the spout, when the slide removes to the spout end, can promote and change the board, the turned angle who changes the board is 35 degrees, the slide can support to change the board like this and drive the connecting axle and rotate, it can pull wire downwards to change the board, it drives gravity ball toward slide pivoted reverse direction removal to pull wire, the setting of gravity ball, can be with the help of the gravity of self, help slide resilience resets, because gravity ball can be because gravity is toward the reverse direction motion of slide all the time, through accelerating return speed, do benefit to the frequency of swing that increases round trip like this.

4. This swing arm formula pneumatic actuator of high frequency high life is provided with the setting of carousel, can cooperate the connecting rod to move, the setting of annular be favorable to and the connecting rod between interconnect, support the setting of pole, can follow the left and right sides of connecting rod and press from both sides tight connecting rod, avoid the connecting rod to drop from the annular.

5. This high frequency high life's swing arm formula pneumatic actuator is provided with the connecting rod, connecting rod and movable rod, is connected each other between the upper boom, can guarantee through the round axle that the flexibility hydro-cylinder between movable rod and the upper boom can promote the push rod, drives upper boom and movable rod with the help of the push rod, and the movable rod can form reciprocal swing arm motion like this.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the front side of the cylinder of the present invention;

FIG. 3 is a side schematic view of the cylinder of the present invention;

FIG. 4 is a schematic top view of the turntable according to the present invention;

fig. 5 is a schematic view of the internal cross-section of the mounting shaft of the present invention.

In the figure: 1. a cylinder; 2. a piston rod; 201. a groove; 202. a rubber rod; 203. a stainless steel block; 204. an operating lever; 3. a high manganese steel layer; 4. pushing the plate; 5. a suction cup; 6. a gas port; 7. a spring; 8. a connecting plate; 9. a tooth plate; 10. a gear; 11. a connecting shaft; 1101. a fixed shaft; 1102. rotating the plate; 1103. a rotating shaft; 1104. a chute; 12. installing a shaft; 1201. a circular hole; 1202. a slide plate; 1203. a gravity ball; 1204. positioning the shaft; 1205. a pull wire; 13. a turntable; 1301. a ring groove; 1302. a support rod; 1303. a threaded shaft; 1304. clamping a plate; 1305. a vertical rod; 14. a retainer; 15. a connecting rod; 1501. a movable rod; 1502. a circular shaft; 1503. a rod is arranged; 1504. a push rod; 1505. and an oil cylinder.

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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a high frequency high life's swing arm formula pneumatic actuator, including cylinder 1 and carousel 13, the internally mounted of cylinder 1 has piston rod 2, and the inner wall of cylinder 1 is provided with high manganese steel layer 3, the right side surface arrangement of piston rod 2 has push pedal 4, and the right side of push pedal 4 is provided with sucking disc 5, the right side of cylinder 1 is connected with gas port 6, the left side of piston rod 2 is connected with spring 7, and connecting plate 8 has been placed to the below of piston rod 2, the fixed surface of connecting plate 8 has tooth board 9, and tooth board 9's below installs gear 10, the intermediate junction of gear 10 has connecting axle 11, and the top of connecting axle 11 installs installation axle 12, the top of carousel 13 is provided with connecting rod 15, and carousel 13 is located the top of installation axle 12, protective shroud 14 has been cup jointed in the outside of installation axle 12.

In the invention, further, the surface of the piston rod 2 comprises a groove 201, a rubber rod 202, a stainless steel block 203 and an operating rod 204, the rubber rod 202 is filled in the groove 201, the operating rod 204 is connected to the left side of the rubber rod 202, and the stainless steel blocks 203 are arranged on the upper end surface and the lower end surface of the piston rod 2; the gear 10 drives the tooth plate 9 to do linear motion and is matched with the piston rod 2 to form piston reciprocating motion.

Further, the stainless steel block 203 is tightly attached to the high manganese steel layer 3, and the groove 201, the rubber rod 202 and the operating rod 204 are all of an integrated structure; the surface of the piston rod 2 contacting with the inner wall of the cylinder 1 is provided with the stainless steel block 203, the stainless steel block 203 and the high manganese steel layer 3 are made of wear-resistant materials, and the surface of the stainless steel block is polished smoothly, so that the abrasion can be reduced, and the shortening of the service life of the piston rod 2 caused by excessive friction is avoided.

Further, the inside of the connecting shaft 11 includes a fixed shaft 1101, a rotating plate 1102, a rotating shaft 1103 and a sliding chute 1104, the rotating plate 1102 is arranged below the fixed shaft 1101, the rotating shaft 1103 is mounted in the middle of the rotating plate 1102, and the sliding chute 1104 is formed in the left surface of the connecting shaft 11; the connecting shaft 11 and the mounting shaft 12 are used in a matched manner, and the arrangement of the fixing shaft 1101 mainly plays a role in positioning and adjusting the direction of the pull wire 1205.

Further, the rotating plate 1102 and the rotating shaft 1103 are matched with each other to form a rotating structure, and the rotating range between the rotating plate 1102 and the rotating shaft 1103 is 35 degrees; the sliding groove 1104 is arranged, so that the mobility between the sliding groove 1104 and the mounting shaft 12 can be increased, and the whole rotating process has a certain elastic movement space.

Further, the inside of the mounting shaft 12 includes a circular hole 1201, a sliding plate 1202, a gravity ball 1203, a positioning shaft 1204 and a pulling wire 1205, the sliding plate 1202 is disposed inside the circular hole 1201, the gravity ball 1203 is fitted inside the sliding plate 1202, the positioning shaft 1204 is disposed on the upper end surface of the sliding plate 1202, and the pulling wire 1205 is disposed on the surface of the gravity ball 1203; the slide plate 1202 is disposed to cooperate with the sliding slot 1104, and when the slide plate 1202 moves to the end of the sliding slot 1104, the slide plate 1202 pushes the rotating plate 1102, and the rotating angle of the rotating plate 1102 is 35 degrees, so that the slide plate 1202 can abut against the rotating plate 1102 to drive the connecting shaft 11 to rotate.

Further, a sliding structure is formed by mutual matching of the sliding plate 1202 and the sliding chute 1104, and the gravity ball 1203 is connected with the positioning shaft 1204, the fixed shaft 1101 and the rotating plate 1102 in a mutual contact manner through a pull wire 1205; the rotating plate 1102 can be pulled downwards to pull the pulling wire 1205, the pulling wire 1205 drives the gravity ball 1203 to move in the opposite direction of the rotation of the sliding plate 1202, the gravity ball 1203 is arranged, the gravity can help the sliding plate 1202 to rebound and reset by virtue of the gravity ball 1203, and the gravity ball 1203 can move in the opposite direction of the sliding plate 1202 all the time due to the gravity, so that the swinging frequency of the rotating plate can be increased by accelerating the return speed.

Further, the surface of the rotary disk 13 includes an annular groove 1301, a resisting rod 1302, a threaded shaft 1303, a clamping plate 1304 and a vertical rod 1305, the resisting rod 1302 is arranged inside the annular groove 1301, the clamping plate 1304 is connected to the inner side of the resisting rod 1302, the threaded shaft 1303 penetrates through the inner side of the resisting rod 1302, and the vertical rod 1305 is arranged on the inner side of the rotary disk 13; carousel 13's setting can cooperate connecting rod 15 to move, and the setting of annular 1301 is favorable to and connecting rod 15 between interconnect, supports the setting of pole 1302, can follow the left and right sides of connecting rod 15 and press from both sides tight connecting rod 15, avoids connecting rod 15 to drop from annular 1301.

Further, a movable rod 1501, a circular shaft 1502, an upper rod 1503, a push rod 1504 and an oil cylinder 1505 are arranged above the connecting rod 15, the circular shaft 1502 is arranged between the movable rod 1501 and the upper rod 1503, the push rod 1504 is connected to one end, away from the movable rod 1501, of the upper rod 1503, and the oil cylinder 1505 is connected to the bottom end of the push rod 1504; connecting rod 15 is connected with movable rod 1501 and upper rod 1503, flexibility between movable rod 1501 and upper rod 1503 can be guaranteed through round shaft 1502, oil cylinder 1505 pushes push rod 1504, upper rod 1503 and movable rod 1501 are driven through push rod 1504, and accordingly movable rod 1501 can form reciprocating swing arm movement.

In summary, when the high-frequency long-life swing arm pneumatic actuator is used, firstly, the oil cylinder 1505 drives the push rod 1504 to push forward, the push rod 1504 drives the upper rod 1503 to move forward, the movable rod 1501 moves backward when the upper rod 1503 moves forward, so that the rotary disc 13 is shifted by the connecting rod 15, so as to reciprocate, and in cooperation with the sliding between the chute 1104 and the sliding plate 1202, the sliding plate 1202 rotates in a fan shape, when the sliding plate 1104 moves to the end of the chute 1104, the rotary plate 1102 is pushed, the rotation angle of the rotary plate 1102 is 35 degrees, so that the sliding plate 1202 abuts against the rotary plate 1102 to drive the connecting shaft 11 to rotate, the rotary plate 1102 pulls the pull wire 1205 downwards, the pull wire 1205 drives the gravity ball 1203 to move in the opposite direction of the rotation of the sliding plate, the sliding plate is rapidly returned and pushed by gravity, so as to form a back and forth swing arm structure, when the rotary disc 13 is shifted, the gear 1202 drives the toothed plate 10 connected to rotate, the toothed plate 9 is shifted to linearly move, in cooperation with the piston rod 2 to form a piston motion, when the piston rod 2 pushes the push rod 4 to approach the push plate 5, and the suction cup 5 tightly, and the suction cup 5 is pushed backwards, and the suction cup 2 is pushed backwards, and the suction cup 4 is pushed backwards, and the suction cup is pushed backwards.

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 able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a high frequency high life's swing arm formula pneumatic actuator, includes cylinder (1) and carousel (13), its characterized in that: a piston rod (2) is installed inside the air cylinder (1), a high manganese steel layer (3) is arranged on the inner wall of the air cylinder (1), a push plate (4) is arranged on the right side surface of the piston rod (2), a sucker (5) is arranged on the right side of the push plate (4), an air port (6) is connected to the right side of the air cylinder (1), a spring (7) is connected to the left side of the piston rod (2), a connecting plate (8) is placed below the piston rod (2), a tooth plate (9) is fixed to the surface of the connecting plate (8), a gear (10) is installed below the tooth plate (9), a connecting shaft (11) is connected to the middle of the gear (10), an installation shaft (12) is installed above the connecting shaft (11), a connecting rod (15) is arranged above the rotary table (13), the rotary table (13) is located at the top end of the installation shaft (12), and a guard ring (14) is sleeved on the outer side of the installation shaft (12);

the utility model discloses a fixing device, including installation axle (12) inside including round hole (1201), slide (1202), gravity ball (1203), location axle (1204) and act as go-between (1205), and the inboard of round hole (1201) is provided with slide (1202), gravity ball (1203) are installed to the inside gomphosis of slide (1202), and the upper end surface of slide (1202) is provided with location axle (1204), the surface of gravity ball (1203) is provided with acts as go-between (1205), mutually support between slide (1202) and spout (1104) and constitute sliding structure, and gravity ball (1203) through acting as go-between (1205) and location axle (1204), fixed axle (1101), rotate between the board (1102) contact connection each other.

2. The high frequency long life swing arm pneumatic actuator of claim 1, wherein: the surface of the piston rod (2) comprises a groove (201), a rubber rod (202), a stainless steel block (203) and an operating rod (204), the rubber rod (202) is filled in the groove (201), the operating rod (204) is connected to the left side of the rubber rod (202), and the stainless steel block (203) is arranged on the surfaces of the upper end and the lower end of the piston rod (2).

3. The high frequency long life swing arm pneumatic actuator of claim 2, wherein: the stainless steel block (203) is tightly attached to the high manganese steel layer (3), and the groove (201), the rubber rod (202) and the operating rod (204) are of an integrated structure.

4. The high frequency long life swing arm pneumatic actuator of claim 1, wherein: the inside of connecting axle (11) is including fixed axle (1101), commentaries on classics board (1102), pivot (1103) and spout (1104), and the below of fixed axle (1101) is provided with commentaries on classics board (1102), pivot (1103) are installed to the centre of commentaries on classics board (1102), spout (1104) have been seted up to the left side surface of connecting axle (11).

5. The high frequency long life swing arm pneumatic actuator of claim 4, wherein: the rotating plate (1102) and the rotating shaft (1103) are matched with each other to form a rotating structure, and the rotating range between the rotating plate (1102) and the rotating shaft (1103) is 35 degrees.

6. The high frequency long life swing arm pneumatic actuator of claim 1 wherein: the surface of the rotary table (13) comprises a ring groove (1301), a supporting rod (1302), a threaded shaft (1303), a clamping plate (1304) and a vertical rod (1305), the supporting rod (1302) is arranged inside the ring groove (1301), the clamping plate (1304) is connected to the inner side of the supporting rod (1302), the threaded shaft (1303) penetrates through the inside of the supporting rod (1302), and the vertical rod (1305) is arranged on the inner side of the rotary table (13).

7. The high frequency long life swing arm pneumatic actuator of claim 1, wherein: the connecting rod (15) is arranged above the connecting rod (15) and comprises a movable rod (1501), a round shaft (1502), an upper rod (1503), a push rod (1504) and an oil cylinder (1505), the round shaft (1502) is arranged between the movable rod (1501) and the upper rod (1503), one end, far away from the movable rod (1501), of the upper rod (1503) is connected with the push rod (1504), and the bottom end of the push rod (1504) is connected with the oil cylinder (1505).