A self-adjusting compression cylinder
A technology of compressing the cylinder and self-adjustment, applied in the direction of the fluid pressure actuating device, etc., can solve the problems of high cost and troublesome installation.
Active Publication Date: 2021-06-18
乐清市瑞亨气动有限公司
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Problems solved by technology
[0004] There are the following defects in the above-mentioned patents: additionally installing a spring compression mechanism on the cylinder is not only costly, but also troublesome to install, so it needs to be improved
Method used
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Embodiment Construction
[0031] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0032] This embodiment discloses a self-adjusting compression cylinder, such as figure 1 , figure 2 As shown, a cylinder body 1 is included, and a main air chamber 11 and two auxiliary air chambers 12 located on both sides of the main air chamber 11 are arranged in the cylinder body 1 . The main air chamber 11 is provided with a main piston device 2, the main piston device 2 includes a first piston 21 and a second piston 22 that are slidably connected in the main air chamber 11 from top to bottom, and the first piston 21 and the second piston 22 will The main air chamber 11 is divided from top to bottom into an upper chamber 111, a buffer chamber 113 and a lower chamber 112; the inner walls of the upper chamber 111 and the lower chamber 112 are respectively provided with an upper air hole 1111 and a lower air hole 1121, and an upper air hole 1111 It is con...
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The invention relates to a self-adjusting compression cylinder, which includes a cylinder body; a main air chamber and an auxiliary air chamber are arranged in the cylinder body, and a piston assembly and an auxiliary piston are respectively arranged in the main air chamber and the auxiliary air chamber. A piston rod is provided; the piston assembly divides the main air chamber into an upper chamber and a lower chamber; the side wall of the main air chamber is provided with a diverter hole communicating with the auxiliary air chamber, and the auxiliary air chamber is provided with a direction diverter The compression spring that squeezes the auxiliary piston in the direction of the bore. The effect of the present invention is: when the extruded part at the end of the piston rod pushes against the surface of the workpiece, the piston rod is restricted and cannot continue to move; at this time, compressed air continues to flow into the main air chamber, and the compressed air enters the auxiliary air chamber through the diversion hole and push the auxiliary piston to move, and use the auxiliary air chamber to store excess compressed air. The storage volume of the compressed air changes according to the stroke of the piston rod caused by the size of the workpiece; while the compression spring squeezes the auxiliary piston in the opposite direction to ensure the pressure in the main air chamber. The air pressure can compress the workpiece tightly.
Description
technical field [0001] The invention relates to the technical field of cylinders, in particular to a self-adjusting compression cylinder. Background technique [0002] At present, the cylinders on the market are generally selected according to the stroke needs. For example, if the cylinder used to compress the workpiece is used, it is necessary to select the cylinder with the corresponding stroke according to the size of the workpiece. In order to be able to compress workpieces of different sizes, an elastic telescopic device with adjustable stroke is usually installed on the piston rod of the cylinder for use. [0003] In the prior art, the Chinese patent document with the authorized announcement number CN207843531U discloses a packing box pressing device, which includes a cylinder and a T-shaped connecting plate connected to the piston rod of the cylinder. A spring compression mechanism is installed on the T-shaped connecting plate. The spring expansion and contraction di...
Claims
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IPC IPC(8): F15B15/14F15B15/22F15B15/24
CPCF15B15/1404F15B15/227F15B15/24
Inventor 叶森叶晓
Owner 乐清市瑞亨气动有限公司