Novel high-pressure pneumatic actuating mechanism

Abstract

The utility model discloses a novel high-pressure pneumatic actuating mechanism, which belongs to the technical field of pneumatic actuating mechanisms and comprises a pneumatic actuating mechanism body, one end of the pneumatic actuating mechanism body is connected with a telescopic pipe, the front end of the telescopic pipe is provided with a connecting end, and the outer side of the connecting end is provided with a moving component used for being connected with a high-pressure air inlet pipe. And the moving assembly comprises a connecting disc fixedly mounted on the outer side of the connecting end, and by arranging the moving assembly, after the air inlet pipe extends into the connecting end, a screw rod is rotated, the screw rod drives a second gear to rotate, so that a first gear is driven to rotate, and then a sliding column is driven to move under the driving of a sliding groove; when the air inlet pipe is connected with the pneumatic actuating mechanism body, the sliding plate is driven to move, the fixing plate is contracted, and then the air inlet pipe is fixed, so that the air inlet pipe and the pneumatic actuating mechanism body can be connected together more tightly, loosening and shaking caused by vibration or high-pressure airflow are avoided, and the connection stability is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pneumatic actuator technical field, especially a new type high pressure pneumatic actuator. BACKGROUND

[0002] High pressure pneumatic actuator is a kind of high pressure gas (usually compressed air) as power source, the pressure energy of gas is converted into mechanical movement device. It is widely used in industrial automation control system, is used to drive valve, mechanical arm, fixture etc. equipment, realizes accurate position control or force control. The main components of high pressure pneumatic actuator: cylinder, piston, piston rod, air inlet, control valve etc. In the working process of pneumatic actuator, the air inlet pipe is as the transmission channel of compressed air, and its connection between pneumatic actuator is crucial.

[0003] At present, the connection between pneumatic actuator and air inlet pipe usually adopts the way of bolt fastening. Although this connection mode is simple and easy to operate, but in practical application, the following problems exist: poor connection stability: since the bolt fastening mode is difficult to guarantee the complete adhesion between pneumatic actuator and air inlet pipe, under the action of long-term vibration or high pressure gas flow, the two are prone to sway, leading to loosening at the connection, and further affecting the normal work of pneumatic actuator. Bolt corrosion problem: pneumatic actuator usually works in industrial environment, and may face the influence of damp, high temperature or corrosive gas. As metal parts, bolt is prone to corrosion when exposed to such environment for a long time, leading to difficult disassembly, in view of the above, the existing bolt fastening mode has the problems of poor stability, easy corrosion, inconvenient installation and maintenance and insufficient sealing performance in the connection between pneumatic actuator and air inlet pipe.

[0004] The utility model aims at providing a new type high pressure pneumatic actuator to solve the problems in the background art. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a new type high pressure pneumatic actuator to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a new type high pressure pneumatic actuator, including pneumatic actuator body, the one end of pneumatic actuator body is connected with telescopic pipe, the front end of telescopic pipe is provided with connecting end, the outer side of connecting end is provided with the movement component for connecting with high pressure air inlet pipe;

[0007] The motion assembly comprises a connecting disc fixedly installed outside the connecting end, the connecting disc is hollow, a circular groove is formed in the connecting disc, a plurality of motion grooves are formed in the circular groove, a sliding plate is slidably connected in the circular groove, the sliding plate slides in the motion grooves, a first gear is rotatably connected to the top of the connecting disc, a plurality of sliding grooves are uniformly formed on the outer side of the first gear, and an installation block is fixedly installed on the top of the connecting disc.

[0008] Further, a second gear is rotatably connected to the top of the installation block, and the second gear is in meshing connection with the first gear.

[0009] Further, a screw rod is fixedly installed at the top axial center of the second gear, the screw rod penetrates through the connecting disc and is in threaded connection with the connecting disc.

[0010] Further, one end of each sliding plate is fixedly connected with a sliding column, the sliding column slides in the sliding groove, and the other end of the sliding plate is fixedly installed with a fixed plate.

[0011] Further, the pneumatic actuator body is fixedly installed with an installation base at the bottom, the pneumatic actuator body is provided with an air outlet at the other end, and installation plates are symmetrically fixedly installed on the top of the pneumatic actuator body.

[0012] Further, a gas cylinder is fixedly installed between the two installation plates, the gas cylinder is connected with a connecting block at the telescopic end, the connecting block is fixedly installed with a connecting plate at the bottom, the connecting plate is connected with the telescopic pipe, and the pneumatic actuator body is provided with a control button.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model discloses a motion assembly is set up, after the air inlet pipe is inserted into the connecting end, then rotates the screw rod, and the second gear is rotated under the driving of the screw rod, thereby the first gear is rotated, thereby under the driving of the sliding groove, further drives the sliding column to move, further drives the sliding plate to move, thereby the fixed plate is contracted, further fixes the air inlet pipe, the advantage of such is that the air inlet pipe and pneumatic actuator body can be connected together more closely, avoid the looseness and the shaking caused by vibration or high pressure gas flow, ensure the stability of connection, convenient to use simultaneously, the length of telescopic pipe can be changed through the action of the gas cylinder, telescopic pipe and the like, thereby make the connection work more convenient and flexible. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0016] Fig. 1 It is a structural schematic diagram of the present application;

[0017] Fig. 2 It is a right view structural schematic diagram of the present application;

[0018] Fig. 3 It is an internal structural schematic diagram of the connecting disc in the present application;

[0019] Fig. 4 It is a structural schematic diagram of the circular groove in the present application.

[0020] Explanation of reference signs:

[0021] In the drawings:

[0022] 1, pneumatic actuator body; 2, gas outlet end; 3, mounting plate; 4, mounting base; 5, connecting block; 6, telescopic pipe; 7, connecting disc; 8, connecting plate; 9, air cylinder; 10, control button; 11, connecting end; 12, first gear; 13, sliding groove; 14, sliding column; 15, mounting block; 16, second gear; 17, circular groove; 18, sliding plate; 19, fixed plate; 20, screw rod. Embodiment

[0023] In the following description, a large number of specific details are given in order to provide a more thorough understanding of the present application. However, it is obvious to those skilled in the art that the present application can be implemented without one or more of these details. In other examples, in order to avoid obscuring the present application, some technical features known in the art are not described.

[0024] Unless the direction indicated by the single definition is specified, the directions such as up, down, left, right, front, back, inside and outside involved in this paper are based on the directions such as up, down, left, right, front, back, inside and outside in the drawings shown by the present application, which are explained here.

[0025] The connection mode can adopt existing modes such as bonding, welding, bolt connection, etc., and the actual needs are accurate.

[0026] Please refer to Figs. 1 to 4As shown, a new type of high pressure pneumatic actuator, including pneumatic actuator body 1, the outer side of connecting end 11 is provided with a movement assembly for connecting with high pressure intake pipe, movement assembly includes fixedly installed on the outer side of connecting end 11 connecting disc 7, connecting disc 7 is hollow, a circular groove 17 is formed in connecting disc 7, a plurality of movement grooves are formed in circular groove 17, the movement grooves are used for sliding plate 18 to slide, sliding plate 18 is slidably connected in circular groove 17, sliding plate 18 is slidably connected in the movement groove, first gear 12 is rotatably connected to the top of connecting disc 7, a plurality of sliding grooves 13 are uniformly formed on the outer side of first gear 12, sliding grooves 13 are used for limiting the movement track of sliding column 14, mounting block 15 is fixedly installed on the top of connecting disc 7, second gear 16 is rotatably connected to the top of mounting block 15, second gear 16 is meshedly connected with first gear 12, screw 20 is fixedly installed on the top of the shaft of second gear 16, screw 20 penetrates through connecting disc 7 and is threadedly connected with connecting disc 7, one end of single sliding plate 18 is fixedly connected with sliding column 14, sliding column 14 is slidably connected in sliding groove 13, the other end of sliding plate 18 is fixedly installed with fixed plate 19, fixed plate 19 is arc-shaped, which is used for better fitting on the surface of the intake pipe, rotating screw 20, thereby driving second gear 16 to drive first gear 12 to rotate, thereby driving sliding groove 13 to drive sliding column 14 to move, thereby driving sliding plate 18 to drive fixed plate 19 to move, thereby fixing the intake pipe.

[0027] Pneumatic actuator body 1 is fixedly installed with mounting base 4 at the bottom, the other end of pneumatic actuator body 1 is provided with air outlet end 2, mounting plate 3 is symmetrically fixedly installed on the top of pneumatic actuator body 1, one end of pneumatic actuator body 1 is connected with telescopic pipe 6, the sealing property between telescopic pipe 6 and pneumatic actuator body 1 is sufficient, connecting end 11 is arranged at the front end of telescopic pipe 6, cylinder 9 is fixedly installed between the two mounting plates 3, connecting block 5 is connected with cylinder 9 at the telescopic end, connecting plate 8 is fixedly installed at the bottom of connecting block 5, connecting plate 8 is connected with telescopic pipe 6, control button 10 is arranged on one side of pneumatic actuator body 1, control button 10 is electrically connected with cylinder 9, cylinder 9 drives connecting block 5 to move, thereby driving telescopic pipe 6 to move forward, thereby changing the length.

[0028] Cylinder 9 belongs to the prior art, and its working principle, size and model are irrelevant to the problems solved by the present application, so it will not be described in detail, the control mode of the utility model is controlled by control button 10, the control circuit of control button 10 can be realized by simple programming of the person skilled in the art, and the power supply also belongs to the common knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the control mode and circuit connection of the utility model will not be explained in detail.

[0029] Working principle: the pneumatic control button 10, in turn, starts the cylinder 9 to move, in turn, the cylinder 9 drives the connecting block 5 to drive the connecting plate 8 to move, so as to drive the telescopic pipe 6 to move, then the air inlet pipe is inserted into the connecting end 11, then the screw rod 20 on the connecting disc 7 is rotated, the screw rod 20 drives the second gear 16 to rotate, so that the second gear 16 drives the first gear 12 meshed with it to move, in turn, drives the sliding groove 13 to move, so as to drive the sliding column 14 to move, in turn, the sliding column 14 drives the sliding plate 18 to slide in the circular groove 17, so that the fixed plate 19 is closed, in turn, the air inlet pipe is fixed.

[0030] It should be noted that, in this document, relational terms such as one and the other and at least one of are used solely to distinguish one entity or action from another entity or action, without necessarily requiring or implying that each modified entity or action must exist separately from another entity or action. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without limitation, an element preceded by "comprises a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A new type of high pressure pneumatic actuator comprising a pneumatic actuator body (1) characterized by: The pneumatic actuator body (1) one end is connected with telescopic pipe (6), the telescopic pipe (6) front end is provided with connecting end (11), the connecting end (11) outside is provided with the movement assembly for and high pressure intake pipe is connected; The movement assembly includes the connecting disc (7) fixedly installed outside the connecting end (11), the connecting disc (7) is hollow, a circular groove (17) is formed in the connecting disc (7), a plurality of movement grooves are formed in the circular groove (17), a sliding plate (18) is slidably connected in the circular groove (17), the sliding plate (18) slides in the movement groove, a first gear (12) is rotatably connected to the top of the connecting disc (7), a plurality of sliding grooves (13) are uniformly formed on the outer side of the first gear (12), and an installation block (15) is fixedly installed on the top of the connecting disc (7).

2. A new type of high pressure pneumatic actuator according to claim 1 characterized by: The second gear (16) is rotatably connected to the top of the installation block (15) and is engagedly connected with the first gear (12).

3. A new type of high pressure pneumatic actuator according to claim 2, characterized in that: The second gear (16) is rotatably connected to the top of the installation block (15) and is engagedly connected with the first gear (12).

4. A new type of high pressure pneumatic actuator as claimed in claim 1, wherein: The second gear (16) is rotatably connected to the top of the installation block (15) and is engagedly connected with the first gear (12).

5. A new type of high pressure pneumatic actuator as claimed in claim 1, wherein: One end of the sliding plate (18) is fixedly connected with a sliding column (14), the sliding column (14) slides in the sliding groove (13), and the other end of the sliding plate (18) is fixedly installed with a fixed plate (19).

6. A new type of high pressure pneumatic actuator as claimed in claim 5 wherein: The pneumatic actuator body (1) bottom is fixedly installed with an installation base (4), the other end of the pneumatic actuator body (1) is provided with an air outlet (2), and the top of the pneumatic actuator body (1) is fixedly installed with a mounting plate (3). Two installation plates (3) are fixedly installed with a pneumatic cylinder (9), the pneumatic cylinder (9) is connected with a connecting block (5), the connecting block (5) is fixedly installed with a connecting plate (8) at the bottom, the connecting plate (8) is connected with the telescopic pipe (6), and one side of the pneumatic actuator body (1) is provided with a control button (10).

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