CN112879374A

CN112879374A - Combined cylinder

Info

Publication number: CN112879374A
Application number: CN202110109007.7A
Authority: CN
Inventors: 刘君子
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-06-01

Abstract

The invention relates to the technical field of cylinders and discloses a combined cylinder which comprises a first cylinder and a second cylinder which are coaxially connected, wherein the output ends of the first cylinder and the second cylinder are coaxially connected, the sizes of the cylinder diameters are different, the rotation starting point of the cylinder with the larger cylinder diameter is positioned in the rotation stroke of the cylinder with the smaller cylinder diameter, and a group of air source interfaces is arranged on the surfaces of the first cylinder and the second cylinder. The combined cylinder is provided with the first cylinder and the second cylinder which are coaxially combined, wherein the rotation starting point of the cylinder with the larger cylinder diameter is positioned in the rotation stroke of the cylinder with the smaller cylinder diameter, and the rotation force generated by the first cylinder and the second cylinder is different under the same air pressure, so that the cylinder with the smaller cylinder diameter is kept at the position where the cylinder with the larger cylinder diameter stops, and the pause of the cylinder in the middle of the rotation stroke or in the range of the starting point and the end point is realized.

Description

Combined cylinder

Technical Field

The invention relates to the technical field of cylinders, in particular to a combined cylinder.

Background

In recent years, the development of automation equipment is rapid, and various industries and various fields are greatly developed. The automation equipment of each industry can be finished with different accessories, namely the air cylinder. The cylinder is various in types, different brands and different models, and the general cylinder has no two modes, namely a linear mode and a rotary mode.

The rotary cylinder (rotary cylinder or swing cylinder) generally has only two pause positions, namely a starting point and a terminal point, and cannot realize pause in the middle or in the range of the starting point and the terminal point or realize swing of positive and negative angles, so that the mechanical structure requirements of some special automatic equipment are met, and therefore, a combined cylinder is provided for solving the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a combined cylinder which is provided with a first cylinder and a second cylinder which are coaxially combined, wherein the rotation starting point of the cylinder with the larger cylinder diameter is positioned in the rotation stroke of the cylinder with the smaller cylinder diameter, and the two cylinders have different circling forces under the same air pressure, so that the cylinder with the smaller cylinder diameter is kept at the position where the cylinder with the larger cylinder diameter stops, the advantages of stopping the cylinder in the middle of the rotation stroke or in the range of the starting point and the end point of the rotation stroke of the cylinder and the like are realized, and the problems provided by the background art are solved.

(II) technical scheme

In order to realize the purpose that the cylinder with the smaller cylinder diameter is kept at the position where the cylinder with the larger cylinder diameter stays by arranging the first cylinder and the second cylinder which are coaxially combined and arranging the starting point of the cylinder with the larger cylinder diameter in the rotating stroke of the cylinder with the smaller cylinder diameter and the different rotating forces of the cylinder with the larger cylinder diameter under the same air pressure, thereby realizing the pause of the cylinder in the middle of the rotating stroke or the range of the starting point and the end point, the invention provides the following technical scheme:

a combined cylinder comprises a first cylinder and a second cylinder which are coaxially connected, wherein the output ends of the first cylinder and the second cylinder are coaxially connected, the sizes of the cylinder diameters are different, the rotation starting point of the cylinder with the larger cylinder diameter is positioned in the rotation stroke of the cylinder with the smaller cylinder diameter, and a group of air source interfaces are arranged on the surfaces of the first cylinder and the second cylinder.

Preferably, the output end of the first cylinder comprises an output shaft and a first connecting shaft, the output end of the second cylinder comprises a second connecting shaft and a second output rear end, and the first connecting shaft and the second connecting shaft are coaxially connected.

Preferably, the first cylinder and the second cylinder are detachably connected through a cylinder connecting piece.

Preferably, the end part of the first connecting shaft is provided with a clamping block, the end part of the second connecting shaft is provided with a clamping groove, and when the first cylinder and the second cylinder are connected through the cylinder connecting piece, the first connecting shaft and the second connecting shaft are clamped and matched.

Preferably, the air source interface comprises a first air source interface group and a second air source interface group, and the first air source interface group and the second air source interface group are respectively arranged on the surfaces of the first air cylinder and the second air cylinder.

Preferably, the first air source interface group includes a first upper air source interface and a first lower air source interface, and the second air source interface group includes a second upper air source interface and a second lower air source interface.

Preferably, the front end of the first cylinder is connected with the output shaft through an embedded bearing connecting piece.

Preferably, the output rear end is an angle limiting plate, and an insertion rod matched with the angle limiting plate is inserted into the end wall of the second cylinder.

(III) advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

the combined cylinder is provided with the first cylinder and the second cylinder which are coaxially combined, wherein the rotation starting point of the cylinder with the larger cylinder diameter is positioned in the rotation stroke of the cylinder with the smaller cylinder diameter, and the rotation force generated by the first cylinder and the second cylinder is different under the same air pressure, so that the cylinder with the smaller cylinder diameter is kept at the position where the cylinder with the larger cylinder diameter stops, and the pause of the cylinder in the middle of the rotation stroke or in the range of the starting point and the end point is realized.

Drawings

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

FIG. 2 is a side view of the exploded structure of the present invention.

In the figure: 1. a first cylinder; 2. a second cylinder; 3. fixing a sleeve; 4. a force output shaft; 5. a first air source interface set; 6. a first connecting shaft; 7. a second connecting shaft; 8. a second gas source interface group; 9. a second output back end; 10. a cylinder connecting piece; 11. a slot; 12. inserting a rod; 501. a first upper gas source interface; 502. a first lower gas source interface; 801. a second upper gas source interface; 802. and a second lower gas source interface.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a combined cylinder includes a first cylinder 1 and a second cylinder 2 coaxially connected, the output ends of the first cylinder 1 and the second cylinder 2 are coaxially connected, and the diameters of the cylinders are different, wherein the starting point of the cylinder with the larger diameter is located in the rotation stroke of the cylinder with the smaller diameter, and a group of air source interfaces are respectively disposed on the surfaces of the first cylinder and the second cylinder, in this embodiment, the inner diameter of the first cylinder 1 is 20mm, the rotation angle is 180 degrees, the inner diameter of the second cylinder 2 is 30mm, and the rotation angle is 90 degrees, so that when the two cylinders are controlled to rotate in opposite directions by the air source interfaces on the surfaces of the first cylinder and the second cylinder, the output end of the first cylinder 1 is driven to rotate in a specific direction, and the second cylinder 2 is kept at the starting point by the opposite driving force, because the inner diameter of the second cylinder 2 is larger than the inner diameter of the first cylinder 1, the revolving force generated by the second cylinder 2 under the same air pressure is, the first cylinder 1 is kept at the position where the second cylinder 2 stays, and thus the first cylinder 1 stops at the middle of the rotation stroke or in the range of the starting point and the ending point.

In this embodiment, referring to fig. 2, the output end of the first cylinder 1 includes an output shaft 4 and a first connecting shaft 6, the front end of the first cylinder 1 is connected to the output shaft 4 through an embedded bearing connector 3, the output end of the second cylinder 2 includes a second connecting shaft 7 and a second output rear end 9, and the first connecting shaft 6 and the second connecting shaft 7 are coaxially connected, where the second output rear end 9 can be provided as an angle limiting plate, an inserting rod 12 is inserted into the slot 11 at the end wall of the second cylinder 2 to clamp the angle limiting plate, so as to adjust the rotation starting point of the output end of the second cylinder 2, in order to facilitate the assembly and disassembly of the first cylinder 1 and the second cylinder 2, the first cylinder 1 and the second cylinder 2 are detachably connected through a cylinder connecting piece 10, the cylinder connecting member 10 is a cylindrical structure, and both ends thereof are fastened to end walls of the first cylinder 1 and the second cylinder 2 by bolts.

In order to fix first connecting axle 6 and second connecting axle 7 for the convenience, the tip of first connecting axle 6 is provided with the fixture block, and the draw-in groove has been seted up to the tip of second connecting axle 7, and when first cylinder 1 and second cylinder 2 connected through cylinder connecting piece 10, first connecting axle 6 and the cooperation of 7 joints of second connecting axle, it is more convenient to install.

In this embodiment, the air source interface includes a first air source interface group 5 and a second air source interface group 8, which are respectively disposed on the surfaces of the first air cylinder 1 and the second air cylinder 2, the first air source interface group 5 includes a first upper air source interface 501 and a first lower air source interface 502, the second air source interface group 8 includes a second upper air source interface 801 and a second lower air source interface 802, wherein the first upper air source interface 501 and the second upper air source interface 801 control the first air cylinder 1 and the second air cylinder 2 to rotate in the same direction, and the first lower air source interface 502 and the second lower air source interface 802 control the first air cylinder 1 and the second air cylinder 2 to rotate in the opposite directions.

The specific actions during operation are as follows;

first, under normal air pressure, the second lower air source interface 802 is in ventilation with the first upper air source interface 501. The second cylinder 2 rotates counterclockwise, the first cylinder 1 rotates clockwise, the rotation angle of the second cylinder 2 is 90 degrees, the rotation angle of the first cylinder 1 is 180 degrees, but the second cylinder 2 is far more torsional than the first cylinder 1, and finally the first cylinder 1 stops at 90 degrees (if no second cylinder 2 blocks a half way, the actual stopping angle of the first cylinder 1 is 180 degrees).

Secondly, the first upper air source interface 501 and the second upper air source interface 801 are used for air intake, the second lower air source interface 802 is used for air exhaust, the air cylinders rotate 90 degrees clockwise, the two air cylinders simultaneously rotate 90 degrees anticlockwise so as to drive the output shaft 4 to rotate 90 degrees, after the action is finished, the second lower air source interface 802 is used for air intake, the second upper air source interface 801 is used for air exhaust, and the air cylinders rotate 90 degrees anticlockwise, so that the torsion difference ratio of the two air cylinders is large; the front cylinder is forcibly pulled back to the original position by the rear cylinder.

And thirdly, at the original position, the second lower air source interface 802 and the first upper air source interface 501 are in an air inlet state, the air is immediately converted into the first upper air source interface 501 for air exhaust, the first lower air source interface 502 for air inlet, the front end air cylinder rotates 90 degrees clockwise, the directions of the air exhaust of the first upper air source interface 501 and the first lower air source interface 502 are converted after the air inlet of the first lower air source interface is completed, and the output shaft returns to the original position.

Fourthly, analogizing once, changing different air inlet and outlet directions by selecting the required rotating direction, and repeating the same direction for countless times.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A modular cylinder which characterized in that: the air cylinder comprises a first air cylinder (1) and a second air cylinder (2) which are coaxially connected, wherein the output ends of the first air cylinder and the second air cylinder are coaxially connected, the sizes of the diameters of the first air cylinder and the second air cylinder are different, the rotation starting point of the air cylinder with the larger diameter is positioned in the rotation stroke of the air cylinder with the smaller diameter, and a group of air source interfaces are arranged on the surfaces of the first air cylinder and the.

2. The modular cylinder of claim 1, wherein: the output front end and the rear end of first cylinder (1) are connected with output shaft (4) and first connecting axle (6) respectively, the output front end and the rear end of second cylinder (2) are connected with second connecting axle (7) and output rear end (9) respectively, and first connecting axle (6) and second connecting axle (7) coaxial coupling.

3. A modular cylinder as set forth in claim 2 wherein: the first air cylinder (1) and the second air cylinder (2) are detachably connected through an air cylinder connecting piece (10).

4. A modular cylinder as set forth in claim 3 wherein: the end of the first connecting shaft (6) is provided with a clamping block, the end of the second connecting shaft (7) is provided with a clamping groove, and when the first cylinder (1) and the second cylinder (2) are connected through the cylinder connecting piece (10), the first connecting shaft (6) and the second connecting shaft (7) are clamped and matched.

5. The modular cylinder of claim 1, wherein: the air source interface comprises a first air source interface group (5) and a second air source interface group (8), and the first air source interface group and the second air source interface group are respectively arranged on the surfaces of the first air cylinder (1) and the second air cylinder (2).

6. The modular cylinder of claim 5, wherein: the first air source interface group (5) comprises a first upper air source interface (501) and a first lower air source interface (502), and the second air source interface group (8) comprises a second upper air source interface (801) and a second lower air source interface (802).

7. A modular cylinder according to any one of claims 2 to 6, wherein: the front end of the first cylinder (1) is connected with the output shaft (4) through an embedded bearing connecting piece (3).

8. A modular cylinder according to any one of claims 2 to 6, wherein: the output rear end (9) is an angle limiting plate, and an insertion rod (12) matched with the angle limiting plate is inserted into the end wall of the second cylinder (2).