Synchronous collapsible drum
A technology of synchronous pulleys and expansion sleeves, which is applied in the directions of winding strips, thin material handling, transportation and packaging, etc. It can solve problems such as easy dumping of material rolls, affecting product quality, scratches and creases on sheet materials, and achieves compact effect
Inactive Publication Date: 2015-04-22
TIANJIN ELEVATOR ELEVATOR PARTS
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Problems solved by technology
[0002] At present, the material roll is in a free state between the two rollers set on the ground. The material roll is easy to dump, and the sheet often has scratches and creases, which greatly affects the quality of the product.
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[0014] The specific implementation, structure, features and effects provided by the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.
[0015] Such as Figure 1~5 A synchronous expansion and contraction reel shown includes an expansion sleeve main shaft, a main shaft timing belt pulley, an expansion and contraction adjustment screw, an adjustment screw timing belt pulley and three sets of expansion plates. Taking one set of expansion plates as an example, the described The expansion sleeve main shaft 17 is equipped with an expansion-shrinkage adjustment screw 4, and one end of the expansion-shrinkage adjustment screw is equipped with a screw support bearing-101, a bearing gland-601, a baffle plate 5, and the middle part of the expansion-shrinkage adjustment screw is equipped with a wire Bar support bearing 2 102, bearing gland 2 602, the other end of the expansion and contraction adjustment screw is equ...
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The invention relates to a synchronous collapsible drum. An adjusting screw rod synchronization belt wheel is used as medium to transmit power to an expanding-collapsing adjusting screw rod to enable the expanding-collapsing adjusting screw rod to rotate clockwise or counter-clockwise, and meanwhile, a left rotating nut and a right rotating nut in an expanding sleeve drive slide blocks to axially move in the opposite direction or inverse direction along with the rotation of the screw rod so as to finish the longitudinal telescopic movement of three groups of expanding plates, when the slide blocks move oppositely, angles between the two slide blocks and hinge plates connected with the expanding plates become small, the expanding plates extend out to tighten with an inner hole of a material roll through expanding, and then the material roll is fastened with the drum; when the work is finished, the expanding sleeve stops rotating, when the screw rod rotates reversely to enable the slide blocks to axially move in the inverse direction, angles between the two slide blocks and hinge plates connected with the expanding plates become large, and the expanding plates retract to separate from the inner hole of the material roll. The synchronous collapsible drum is compact in structure, the rotation, expanding and collapsing can be finished on the same shaft, the material roll is avoided from toppling and falling, scratch, fold and axial move, the unrolling speed can be controlled, and the material roll rolling and unrolling requirements are satisfied.
Description
technical field [0001] The invention belongs to the field of mechanical equipment, and relates to a synchronous expansion and contraction reel, which is especially suitable for synchronous rotation of a material reel whose inner hole diameter can be of any size within a certain range. Background technique [0002] At present, the material roll is placed in a free state between two rollers set on the ground. The material roll is easy to topple over, and the sheet often has scratches and creases, which greatly affects the quality of the product. Contents of the invention [0003] The problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a synchronous expansion and contraction reel, which can drive a reel whose inner hole diameter can be of any size within a certain range to rotate synchronously. [0004] The present invention solves its technical problem and realizes by taking the following technical solutions: [0005]...
Claims
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Login to View More IPC IPC(8): B65H16/02B65H18/04
CPCB65H75/24
Inventor 宋建生
Owner TIANJIN ELEVATOR ELEVATOR PARTS