Manufacturing method of transmission ball chain
A manufacturing method and technology of bead chains, which are applied in the field of curtain transmission, can solve the problems of easy slipping or pulling beads, scrapping of transmission bead chains, short service life, etc., and achieve the effects of not easy slipping, large pulling force, and easy positioning
Active Publication Date: 2014-04-16
王德顺
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Problems solved by technology
[0002] At present, the curtain driving belt is usually a rope or a rope on which a pull bead that acts as a transmission tooth is fixed, which is relatively easy to slip or be damaged (the pull bead is easy to pull off and loosen), and it can bear less pulling force during use and has a longer service life. Short, as long as one pull bead is loose, the whole transmission bead chain will be scrapped
Method used
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[0022] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0023] Such as figure 1 , 2 As shown, a transmission bead chain includes a rope 1 and a pull bead 2. The pull bead 2 is equidistantly fixed on the rope 1 by injection molding. The number of pull beads and the distance between the two pull beads are set according to actual needs . A pin 3 is also arranged in each pull bead 2 , and the pin 3 passes through the rope 1 . The large end of pin 3 is provided with a pipe sleeve 4, and the cross-sectional diameter of rope 1 is 1 / 3rd of pin 3 length, and the length of pipe sleeve 4 is 1 / 3rd of pin 3 length. By arranging the sleeve 4, the pin 3 can be easily positioned, and the distance between the exposed two sides after passing through the rope 1 can also be ensured to be equal, so that the injection-molded pull bead 2 is evenly stressed and more stable.
[0024] The manufacturing method o...
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The invention discloses a transmission ball chain, which comprises a rope and pull balls, wherein the pull balls are fixed on the rope and match with teeth of an assorted transmission chain wheel. The pull balls are equidistantly fixed on the rope in an injection molding manner, a pin is wrapped in each pull ball, and each pin penetrates through the rope so that the pin, the corresponding pull ball and the rope are integrally connected. The invention further discloses a manufacturing method for a rope plate structure. The injection molding machine is prepared and provided with an impacting station and an injection molding station, each pin is impacted to penetrate through the steel rope at the impacting station, each pull ball is in injection molding at the injection molding station, a hole for holding one of the pins and a groove for holding the steel rope are arranged on a mold, by the aid of the hole and the groove, each pin can penetrate through the steel rope, simultaneously, a step of forming a conveying disc wrapped with the pin is formed by means of integral injection molding, and the total transmission chain is manufactured by means of repeated operation. The transmission ball chain has the advantages of simple structure, large bearing tension, firmness, long service life, simplicity in manufacturing process and high production efficiency.
Description
technical field [0001] The invention relates to the field of curtain transmission, in particular to a transmission bead chain and its manufacturing method Background technique [0002] At present, the curtain driving belt is usually a rope or a rope on which a pull bead that acts as a transmission tooth is fixed, which is relatively easy to slip or be damaged (the pull bead is easy to pull off and loosen), and it can bear less pulling force during use and has a longer service life. Short, as long as one pull bead is loose, the whole drive bead chain will be scrapped. Contents of the invention [0003] The object of the present invention is to overcome the disadvantages of the above-mentioned prior art, and provide a transmission bead chain with simple structure, large tensile force, long service life and convenient manufacture and its manufacturing method. [0004] The technical solution adopted by the present invention to solve the problems of the technologies describ...
Claims
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IPC IPC(8): A47H11/00B29C45/14
Inventor 吴雪红
Owner 王德顺