Vacuum control mechanism
A vacuum control and vacuum technology, used in packaging automatic control, packaging, packaging protection, etc., can solve the problems of being easily affected by air pressure, reducing the service life of solenoid valves, and aging solenoid valves, so as to improve production efficiency and avoid equipment. The effect of failure, efficient operation
Pending Publication Date: 2021-10-26
南京恒昌包装机械有限公司
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Problems solved by technology
[0002] At present, most of the absorbent papers on the market use solenoid valves to control the opening and closing of vacuum. During high-speed production, the solenoid valves must be switched very quickly to meet production requirements, which greatly reduces the service life of the solenoid valves. A closed solenoid valve will accelerate aging and be easily affected by air pressure, and the stability is not very good
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[0026] Adsorption process: when the vacuum tank 10 is connected to the vacuum inlet hole 7 and the vacuum outlet hole 8 at the same time, the compressed air tank 11 is in a completely closed state, at this time the suction cup bracket 6, the gas distribution block 17, the vacuum inlet hole 7 and the vacuum outlet The air hole 8, the electromagnetic valve 15 and the vacuum pump 13 form a complete passage, and the vacuum pump 13 will extract the air in the entire passage to realize a vacuum state. At this moment, the suction cup on the suction cup bracket 6 will produce the effect of adsorption;
[0027] Blocking process:
[0028] Along with the rotation of the gas distribution disc 2, the vacuum groove 10 will break away from the vacuum inlet hole 7, so that the passage of the solenoid valve 15 and the vacuum pump 13 is blocked, and the result is equivalent to disconnecting the solenoid valve 15 and the vacuum pump 13. The same effect, and avoid the frequent switching of the s...
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The invention discloses a vacuum control mechanism, which comprises a servo motor, an air distribution disc, an air inlet and outlet block, a vacuum pump, an electromagnetic valve and an air source processing unit, wherein the servo motor is in engaged transmission connection with a rotating shaft, the air distribution disc is fixedly installed on the rotating shaft, a circular disc is fixedly installed at the tail end of the rotating shaft, a connecting rod is fixedly installed on the outer side of the circular disc; the connecting rod is eccentrically arranged, a compressed spring is fixedly installed on the inner side of the circular disc, the other end of the compressed spring is tightly attached to the air distribution disc, the other end of the connecting rod is rotationally connected with a suction cup driving shaft, a suction cup support is fixedly installed on the suction cup driving shaft, and the air inlet and outlet block is installed on a rotating shaft through a lubricating bearing. The vacuum control mechanism has the beneficial effects that stable and efficient operation of the suction cup is ensured, and equipment faults caused by aging of an electromagnetic valve or unstable air pressure are avoided to a great extent, so that the production efficiency of the whole machine is greatly improved.
Description
technical field [0001] The invention relates to the technical field of cardboard packaging machines, in particular to a vacuum control mechanism. Background technique [0002] At present, most of the absorbent papers on the market use electromagnetic valves to control the opening and closing of vacuum. During high-speed production, the electromagnetic valves must switch very quickly to meet production requirements, which greatly reduces the service life of the electromagnetic valves, and when they are often opened A closed solenoid valve will accelerate aging and be easily affected by air pressure, and the stability is not very good. Contents of the invention [0003] The purpose of the present invention is to provide a vacuum control mechanism to solve the problems raised in the background art above. [0004] In order to achieve the above object, the present invention provides the following technical solutions: a vacuum control mechanism, including a servo motor, an air ...
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IPC IPC(8): B65B17/00B65B57/00
CPCB65B17/00B65B57/00
Inventor 徐亚春徐虎许正荣
Owner 南京恒昌包装机械有限公司