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Coupler serpentine spring and production technology thereof

A serpentine spring and production process technology, applied in the field of serpentine spring and its production process, can solve problems affecting the service performance of serpentine spring, corrosion of serpentine spring, etc., and achieve the effect of reducing the possibility of electrochemical corrosion

Active Publication Date: 2018-03-30
浙江骏马弹簧制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This kind of serpentine spring may come into contact with electrolyte solutions such as acid or salt during transportation or use. At this time, the serpentine spring is easy to be electrochemically corroded, which may eventually affect the performance of the serpentine spring.

Method used

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  • Coupler serpentine spring and production technology thereof
  • Coupler serpentine spring and production technology thereof
  • Coupler serpentine spring and production technology thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Example 1: A serpentine spring for coupling, refer to figure 1 This kind of serpentine spring for couplings includes a spring body 1 bent in a serpentine shape; the spring body 1 is coated with a fluorocarbon coating layer 11 (refer to figure 2 ), where fluorocarbon coating refers to coatings with fluororesin as the main film-forming substance; also known as fluorocarbon paint, fluorocoating, fluororesin coating, etc. Among various coatings, fluororesin coatings have particularly excellent properties due to the high electronegativity of the introduced fluorine element and strong carbon-fluorine bond energy. Weather resistance, heat resistance, low temperature resistance, chemical resistance, and unique non-stick and low friction.

[0047] Reference figure 2 , Located at the end of the spring body 1 and on the side of the fluorocarbon coating layer 11 away from the spring body 1 is coated with a wear-resistant ceramic coating layer 12, wherein the wear-resistant ceramic co...

Embodiment 2

[0048] Embodiment 2: A production process of a serpentine spring used in a coupling. The production process of the serpentine spring used in a coupling includes the following steps: Step 1: Use a first resistance furnace to treat flat steel strips Heat treatment; Step 2: Use flattening machine 2 (refer to image 3 1) Flatten the flat steel strip; Step 3: Use a tube drawing machine to straighten the flat steel strip; Step 4: Use a spring coiling machine to bend the flat steel strip after straightening; Step 5: Use the second resistance furnace to heat the bent blank; Step 6: Use a shot blasting machine for surface treatment; Step 7: Coat the fluorocarbon coating layer 11 on the spring body 1 (refer to figure 2 ).

[0049] Reference image 3 This type of flattening machine 2 includes a frame 21 placed on the ground, a geared motor 22, a transmission part 23, and a flattening part 24; the geared motor 22 is fixed on the frame 21 by bolts, and the transmission part 23 and the geared ...

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Abstract

The invention relates to the technical field of springs, and discloses a coupler serpentine spring. The coupler serpentine spring comprises a spring body, and the outer wall of the spring body is coated with a fluorocarbon coating layer. The coupler serpentine spring has the following advantages and effects that a fluorocarbon coating layer is smeared on the spring body, by means of the good chemical inertness of the fluorocarbon coating layer, the fluorocarbon coating layer is resistant to acid, alkali, salt and other chemical substances and a plurality of chemical solvents, accordingly, thespring body can be well protected through the fluorocarbon coating layer, and finally, the possibility that electrochemical corrosion occurs to the serpentine spring can be decreased.

Description

Technical field [0001] The invention relates to the technical field of springs, in particular to a serpentine spring used in a coupling and its production process. Background technique [0002] A serpentine spring is a spring with a curved serpentine shape. The serpentine spring is often used in a coupling. Generally, a plurality of serpentine springs are formed into a ring to wrap around the circumference of the coupling; add a snake The shaft coupling of the shape spring relies on the serpentine spring leaf to transmit torque; among them, the serpentine spring coupling is the most advanced shaft coupling transmission component in the international mechanical field, and it is also a very common shaft coupling transmission component. [0003] In the existing serpentine spring processing technology, it is generally necessary to heat the raw flat steel strip with the first resistance furnace, and then straighten it with the tube drawing machine, and then enter the spring coiling mach...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D11/07B21D31/00B23P15/00F16F1/02
CPCB21D11/07B21D31/00B23P15/00F16F1/025
Inventor 马冬祥
Owner 浙江骏马弹簧制造有限公司
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