Magnetic turning column liquid level meter, integral molding method of lining at joint and stretching die
A technology of integral molding and drawing molds, applied in the field of liquid level gauges, can solve the problems of increasing materials, increasing leakage points, inconvenience, etc., and achieves the effect of reducing flange connections, reducing leakage points, and reducing costs
Inactive Publication Date: 2010-07-28
RUGAO CITY WANTONG ANTICORROSIVE
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Problems solved by technology
In this way, there are several disadvantages: 1. The flange connection will inevitably increase the leakage point, which will bring hidden dangers to the operation safety; 2. Where there is a flange, the magnetic flap cannot be placed, which will inevitably form a measurement blind zone.
It brings inconvenience to the actual operation and cannot accurately reflect the actual liquid level; 3. It increases the material and increases the cost
Method used
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[0018] like figure 1 , 2 As shown, the polytetrafluoroethylene-lined magnetic flap liquid level gauge is composed of a magnetic flap 1 , a liquid level gauge tube 2 , a float 3 , a flange 4 and a flange 8 .
[0019] The above-mentioned magnetic flaps are equidistantly distributed on the pipe wall of the liquid level gauge tube 2, and the liquid level gauge tube 2 is lined with a polytetrafluoroethylene lining 5, and flanges 4 are respectively connected to the two ends of the liquid level gauge tube 2; Holes 6 and 7 are opened on the sides close to the two ports, and a flange 8 with holes 9 and 10 respectively is connected to the openings, and then the openings of the flanges 8 at both ends are sealed and connected to the lining. A steel pipe 11 lined with vinyl fluoride, and a loose flange 12 is connected to the end of the steel pipe 11, and a connecting flange 13 is connected to the outside of the loose flange 12. The innovation of the present invention is that the polytetr...
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The invention relates to a magnetic turning column liquid level meter and a manufacture method thereof. The polytetrafluoroethylene is adopted as a lining, and an outer layer is provided with a metal pipeline. The magnetic turning column liquid level meter is characterized in that all polytetrafluoroethylene linings, including an interface, are integrally molded. The invention also discloses an integral molding method of a polytetrafluoroethylene layer, which comprises the steps of partial softening processing, and then carrying out extrusion molding on parts needing to be stretched. A filter manufactured with the method has high thermal stability, high chemical corrosion resistance and good dielectric property and can prevent a pipeline from corroding and prevent fluid from polluting, and meanwhile, the annular polytetrafluoroethylene layer without any interface can protect the filter from cracking. The invention also discloses a lining stretching die for realizing the lining molding process. A die body, the diameter of which is gradually increased, is adopted to be connected with a screw rod and a die frame, the die is gradually stretched into the die frame by utilizing the force of the screw rod, and the shape of the drawn lining is controlled by the die frame.
Description
technical field [0001] The invention relates to a liquid level gauge, in particular to a liquid level gauge lined with polytetrafluoroethylene. The present invention also relates to the manufacturing method of the liquid level gauge and the special stretching die used for the manufacturing. Background technique [0002] The magnetic column level gauge is also called the magnetic flap level gauge, and its structure is mainly designed and produced based on the principle of buoyancy and magnetic force. The position of the float with magnets (referred to as magnetic float) in the measured medium is affected by buoyancy. The change of the liquid level leads to the change of the position of the magnetic float, and the coupling effect of the static magnetic force between the magnetic float and the magnetic flip column (also known as the magnetic flip plate) causes the magnetic flip column to flip at a certain angle (the surface of the magnetic flip column is coated with different ...
Claims
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Login to View More IPC IPC(8): G01F23/30B29C51/30
Inventor 王云龙
Owner RUGAO CITY WANTONG ANTICORROSIVE