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Novel online automatic detection, monitoring and alarm system for PPR pipe diameter changing

An automatic detection, monitoring and alarm technology, applied in the direction of tubular objects, applications, household appliances, etc., can solve the problems affecting the outer diameter of the pipe, difficult to distinguish the size of the outer diameter of the pipe, difficult to distinguish the unqualified products, etc., so as to reduce the work intensity and reduce the Customer complaints, good economy effect

Inactive Publication Date: 2018-12-18
湖南联塑科技实业有限公司
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  • Claims
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Problems solved by technology

At present, in the production of PPR pipes, the outer diameter of PP-R pipes is mainly controlled by the size of the sizing sleeve and the size of the vacuum. In the continuous production of PPR pipes, when the vacuum in the vacuum box or the cooling water of the sizing sleeve is unstable, it is easy to cause mold swelling or Vacuum leakage in the vacuum box affects the outer diameter of the pipe; the size of the outer diameter of the pipe is sometimes difficult to distinguish with the naked eye. For example, the outer diameter of the DN20 pipe in normal production ranges from 20.1 to 20.3. When the pipe size sometimes 19.9 or 20.4 does not meet the size requirements, the operating industry Difficult to identify non-conforming products
[0003] At present, the main method of online detection in the industry is to use ultrasonic for thickness measurement and outer diameter control, but the equipment cost is relatively expensive and the maintenance cost is high
However, using the traditional manual caliper sampling inspection method not only requires a lot of labor costs, but also cannot detect 100% of unqualified products

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  • Novel online automatic detection, monitoring and alarm system for PPR pipe diameter changing

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[0016] The accompanying drawings are for illustrative purposes only, and should not be construed as limitations on this patent; in order to better illustrate this embodiment, certain components in the accompanying drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art It is understandable that some well-known structures and descriptions thereof may be omitted in the drawings. The positional relationship described in the drawings is for illustrative purposes only, and should not be construed as a limitation on this patent.

[0017] Such as figure 1 As shown, a new type of PPR pipe outer diameter change online automatic detection monitoring and alarm system, including a first transmission mechanism, a second transmission mechanism, an alarm, and a sensor for sensing the position of the first transmission mechanism. The transmission mechanism can move up and down and is arranged above the second transmissi...

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Abstract

The invention relates to the technical field of pipe detection, in particular to a novel online automatic detection, monitoring and alarm system for PPR pipe diameter changing. The novel online automatic detection, monitoring and alarm system for PPR pipe diameter changing comprises a first transmission mechanism, a second transmission mechanism, an alarm and an inductor used for sensing the position of the first transmission mechanism. The first transmission mechanism is arranged above the second transmission mechanism in an up-down movable mode, a pipe is pressed between the first transmission mechanism and the second transmission mechanism, and the alarm is electrically connected with the inductor. The PPR pipe diameter can be detected in real time, and automatic monitoring alarm can beachieved.

Description

technical field [0001] The invention relates to the technical field of pipe detection, and more specifically, relates to a novel on-line automatic detection, monitoring and alarm system for changes in the outer diameter of PPR pipes. Background technique [0002] PP-R is random copolymerized polypropylene, which has the advantages of environmental protection, corrosion resistance, long service life, etc., easy installation, and good long-term creep resistance and pressure bearing performance under high temperature conditions. At present, in the production of PPR pipes, the outer diameter of PP-R pipes is mainly controlled by the size of the sizing sleeve and the size of the vacuum. In the continuous production of PPR pipes, when the vacuum in the vacuum box or the cooling water of the sizing sleeve is unstable, it is easy to cause mold swelling or Vacuum leakage in the vacuum box affects the outer diameter of the pipe; the size of the outer diameter of the pipe is sometimes ...

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Application Information

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IPC IPC(8): B29C47/92B29K23/00B29L23/00B29C48/92
CPCB29K2023/14B29L2023/22
Inventor 曾广跃杨晏茏宋科明余华林
Owner 湖南联塑科技实业有限公司
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