Endless belt with slits for sheet belt coiling tension offering device
A technology of coiling tension and coiling device, which is applied in the direction of coiling strips, transportation and packaging, thin material processing, etc. Effect
Active Publication Date: 2014-07-30
JDC INC
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Problems solved by technology
[0009] As mentioned above, the prior art utilizes the friction between the surface of the belt plate and the surface of the endless belt, but since it cannot completely eliminate the oil (oil film) on the surface of the belt plate, the only conceivable countermeasure is to try to make the surface layer of the belt plate and the endless belt The friction coefficient is greater than that of the back side of the endless belt, but due to the remaining state of the oil film, the friction force has its own limit
Method used
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Embodiment Construction
[0063] The best mode for carrying out the present invention is described in detail with the accompanying drawings as follows.
[0064] 1 and 2 in the figure are belt-type strip winding tension imparting devices, which are devices for applying (applying) a predetermined winding tension to the metal strip 4 via the endless belt 3 . Such as figure 1 As shown, these tension imparting devices 1, 2 ( figure 1 The belt-type strip coiling tension applying device 1 is illustrated as an example to wind the strip 4 installed in front of the strip coiling device 5 in the middle of the moving path. Such a tension imparting device, for example, has been figure 1 and figure 2 The so-called "Oval Form (Patent No. 3679730)" shown, or as image 3 Shown "pulley (pulley) type (Patent No. 1361033)" and other types.
[0065] in, figure 1 and figure 2 The shown elliptical belt-type strip coiling tension imparting device 1 is mainly composed of a pressure application body 11 for pushing ...
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The invention provides an endless belt with slits for a sheet belt coiling tension offering device, which comprises the endless belt (3) and a plurality of slits (35), wherein the endless belt (3) is formed by superposing an outer lateral surface layer (31) and an inner lateral surface layer (33) which are made from at least more than two layers of different materials; and the plurality of slits (35) are formed by cutting the length (longitudinal) direction of the endless belt by a predetermined depth at predetermined intervals on the outer lateral surface (31a), in contact with sheet belts (4), of the endless belt, are in sealing connection, can be provided for the sinking of micro bumps on the surfaces of each sheet belt and are pulled and deformed by the bumps to form micro cavities and generate negative pressures. When the micro bumps on the surfaces of the sheet belts are sunken into each slit (35), the endless belt (3) can be reliably captured; and simultaneously, as the slits in the sealing connection still can be pulled and deformed by the sunken micro bumps to generate the negative pressures, most of the slits, in contact with the surfaces of the sheet belts, of the endless belt all develop the function of a vacuum pump to absorb the sheet belts with the remaining oil films to reliably offer (apply) coiling tension.
Description
technical field [0001] The present invention relates to a slitter line used for cutting a wide metal strip into plural strips along the longitudinal direction or cutting off and cutting both ends of the strip into trimmings of a specific width On the trimming line, when rewinding the strip after cutting, it can provide uniform and sufficient tension without scratching the surface of the strip. endless belt), especially a device capable of imparting sufficient coiling tension to prevent relative slippage between the strip and the endless belt even when rolling oil or anti-rust oil is attached to the surface of the strip Loop belt for slits. Background technique [0002] The applicant's Japanese Patent Nos. 1,361,033 and 3,769,730 have prior art utilizing the difference in coefficient of friction between the front and back layers of an endless endless belt of a belt plate coiling tension imparting device. In these patented technologies, synthetic resins or synthetic resin-ba...
Claims
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IPC IPC(8): B65H23/30B65H18/08B21C47/02
Inventor 桥川义人
Owner JDC INC