An intermittent pre-engine compressed gas overpressure and underpressure control device
A technology for compressed gas, overpressure and underpressure, which is applied in the field of intermittent pre-generator compressed gas overpressure and underpressure control devices, can solve problems such as reducing work efficiency, easily affecting products, etc., and achieves high work efficiency, simple structure and accuracy. The effect of adjustment
Active Publication Date: 2018-12-04
重庆俊霖包装材料有限公司
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Problems solved by technology
[0005] In order to overcome the current disadvantages that it is difficult to conveniently and accurately adjust the flow and pressure of compressed gas, easily affect the quality of products, and reduce work efficiency, the technical problem to be solved by the present invention is to provide a simple structure, convenient and accurate The over-pressure and under-pressure control device of the intermittent pre-engine compressed gas can adjust the flow and pressure of the compressed gas without affecting the product quality and high working efficiency
Method used
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Embodiment 1
[0024] An intermittent pre-engine compressed gas overpressure and underpressure control device includes, such as Figure 1-3 As shown, the first pipe body 1, the exhaust pipe 2, the first solenoid valve 3, the first housing 4, the screw rod 6, the bearing 7, the connecting rod 8, the first button 9, the slide rail 10, the slider 11, the first A spring 12, the first movable plate 13 and the second pipe body 14, the bottom of the first pipe body 1 is connected with an exhaust pipe 2, the exhaust pipe 2 communicates with the first pipe body 1, and the exhaust pipe 2 is equipped with The first solenoid valve 3, the top of the first pipe body 1 is provided with a first housing 4, the first housing 4 communicates with the inside of the first pipe body 1, and a threaded hole 5 is opened in the middle of the top of the first housing 4, and the threaded hole Screw rod 6 is arranged in 5, and screw rod 6 cooperates with threaded hole 5, and screw rod 6 bottom end is equipped with bearin...
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The invention relates to a compressed air over-pressure / under-pressure control device, and in particular relates to a compressed air over-pressure / under-pressure control device of an intermittent pre-expander. The compressed air over-pressure / under-pressure control device of the intermittent pre-expander is simple in structure, can conveniently and accurately adjust the flow rate and pressure of compressed air and does not influence the product quality, and is high in working efficiency. The compressed air over-pressure / under-pressure control device of the intermittent pre-expander comprises a first pipe body, an exhaust pipe, a first solenoid valve, a first housing, a screw, a bearing, a connecting rod, a first button, a slide rail, a slide block, first springs, etc., wherein the exhaust pipe which communicates with the inside of the first pipe body is connected to the bottom part of the first pipe body; the first solenoid valve is mounted on the exhaust pipe.
Description
technical field [0001] The invention relates to a compressed gas overpressure and undervoltage control device, in particular to an intermittent pre-engine compressed gas overpressure and undervoltage control device. Background technique [0002] Intermittent pre-expansion machine (also known as quantitative pre-expansion machine or pressurized pre-expansion machine) is mainly used to match with automatic packaging molding machines. It provides EPS pre-expansion materials with uniform density and no agglomeration to meet Requirements for molding conditions in the production process of packaging products. [0003] In the production process of plastic foam, it is necessary to input a small flow rate of compressed air into the barrel of the pre-expander, and the pressure and flow rate of the input compressed air will determine the quality of the produced plastic foam. At present, it is difficult to adjust the flow and pressure of compressed gas conveniently and accurately, and ...
Claims
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IPC IPC(8): B29C44/60B29C44/34
CPCB29C44/35B29C44/60
Inventor 钱嘉良
Owner 重庆俊霖包装材料有限公司