A production process of flocking flexible shaft for noise reduction
A technology of flocking soft shaft and production process, which is applied in the direction of rotating motion axis, etc., can solve the problems of uneven distribution of fluff, weak adhesion, environmental pollution, etc., and achieve the effects of avoiding environmental pollution, reducing production costs, and simplifying the production process
Active Publication Date: 2021-08-17
上海高齐汽车配件有限公司
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Problems solved by technology
[0005] The technical problem to be solved by the present invention is to provide a production process of flocking flexible shafts for noise reduction, which solves the problems of uneven distribution of fluff, environmental pollution, weak adhesion and low strength of the current flocking flexible shafts during flocking. question
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[0019] In order to understand the technical means, creative features, objectives and effects of the present invention clearly, the present invention will be further described below in conjunction with specific embodiments.
[0020] like figure 1 Shown, a kind of flocking flexible shaft manufacturing process for noise reduction comprises the following steps:
[0021] (1) Unwinding: Put the flexible shaft core on the unwinding equipment to unwind, and make the flexible shaft core move axially evenly through the traction device;
[0022] (2) Heating: the flexible shaft core is heated by the heating device;
[0023] (3) Winding flocking thread: When the heated flexible shaft core moves forward, the flocking thread is synchronously wound, so that the flocking thread is evenly wound on the flexible shaft core, and the part of the flocking thread in contact with the flexible shaft core is melted and formed The plastic layer is sintered on the surface of the flexible shaft core;
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The invention discloses a production process of a flocked flexible shaft for reducing noise, and belongs to the technical field of flexible shaft production. Including the following steps: unwinding: put the flexible shaft core on the unwinding device to unwind, and make the flexible shaft core continue to move uniformly and axially through the traction device; heating: heat the flexible shaft core through the heating device; wind the flocking line: When the heated flexible shaft core moves forward, the flocking thread is synchronously wound, so that the flocking thread is evenly wound on the flexible shaft core, and the part of the flocking thread in contact with the flexible shaft core melts to form a plastic layer sintered on the surface of the flexible shaft core; Winding: Winding the core of the flexible shaft after the flocking thread is wound to make the semi-finished flocked flexible shaft; pier side: remove the fluff at both ends of the semi-finished flocked flexible shaft, and keep the plastic layer with a thickness of 0.03-0.1mm, and then pass The pier square equipment is pier square to make semi-finished flocking flexible shafts. In the invention, the flocking thread is directly melted and sintered on the flexible shaft core, and is integrally formed with the flexible shaft core. The connection is firm, the strength is high, no additional glue or plastic is added, the production cost is reduced, and the invention is more environmentally friendly.
Description
technical field [0001] The invention relates to a production process of a flocked flexible shaft for reducing noise, and belongs to the technical field of flexible shaft production. Background technique [0002] The flexible shaft is a shaft used in electric adjustable seats to transmit torque and rotational movement. The flexible shaft is wound with multiple layers of steel wires. In order to reduce the noise caused by friction and collision when the flexible shaft is working, the existing All the flexible shafts are provided with a flocking layer on the flexible shaft core to achieve the purpose of reducing noise, reducing vibration, and prolonging the life of the flexible shaft and casing. [0003] The existing flocking methods of flexible shaft cores are as follows: (1) Electrostatic flocking: atomize the glue, and electrostatic adsorption of fluff sticks to the flexible shaft core; (2) Plastic adhesion: apply plastic on the soft shaft core. A plastic layer is formed on...
Claims
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IPC IPC(8): F16C1/02
CPCF16C1/02
Inventor 曹兴云周四海
Owner 上海高齐汽车配件有限公司