Elastic sleeve device for increasing the inner diameter of a coiler with jaws
A technology of elastic sleeve and spring device, which is applied in the field of cold rolling processing, can solve the problems of complex installation and disassembly, long time required, and inability to expand and contract, and achieve simple installation, strong practicability, and increased sleeve outer diameter specifications Effect
Active Publication Date: 2017-09-01
WISDRI ENG & RES INC LTD
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Problems solved by technology
However, the diameter increasing plate has two obvious disadvantages: 1. The increase of the outer diameter is limited, generally only 10-30mm; 2. The installation and disassembly are very complicated and take a long time
In actual application, it is found that the spring device of the internal power device of the elastic sleeve device cannot effectively expand and contract with the reel of the coiler every time, because the strip steel entering the jaw produces resistance
Method used
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[0023] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.
[0024] like Figure 1 to Figure 8 , the embodiment of the present invention provides an elastic sleeve device for increasing the inner diameter of the reel of the coiler with jaws, which is used on the coiler with jaws, including three sector plates 1 with identical structures and a sector plate 1 with jaws. Plate 2, the four fan-shaped plates are sequentially connected in a circular manner, and become figure 1 As shown, the shape is similar to a roll. The internal ribs of the fan-shaped plate 1 and the fan-shaped plate 2 are grid-like structures, which can effectively ensure the structural strength of the device.
[0025] like Figure 1 to Figure 8 A plurality of spring devices 4 are provided between the two sector ...
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The invention relates to an elastic sleeve device for increasing the inner diameter of a reel of a coiler with jaws, which comprises an annular steel elastic sleeve formed by sequentially connecting four fan-shaped plates, one of which is provided with a jaw; A plurality of spring devices are arranged between the two fan-shaped plates connected to each other, and the spring devices include a guide rod, two compression springs, and two hexagonal slotted nuts, and the two hexagonal slotted nuts are respectively fixed on the At both ends of the guide rod, two springs are sleeved on the guide rod, and are respectively located inside the two fan-shaped plates connected to each other; the inner side of the fan-shaped board is provided with an inner arc-shaped plate, and the outer side is provided with an outer Arc-shaped plates; each fan-shaped plate is provided with a synchronous expansion-contraction structure, and the synchronous expansion-contraction structure includes perforated steel plates, cylinders and screws. The elastic sleeve device of the present invention has the advantages of simple and reliable structure, strong practicability and simple installation, and at the same time, can effectively increase the specification of the outer diameter of the sleeve of the coiler with jaws.
Description
technical field [0001] The invention relates to the field of cold rolling treatment, and relates to an elastic sleeve device for increasing the inner diameter of a reel of a coiler with jaws. Background technique [0002] At present, the general specifications of the reel diameter of the domestic cold-rolling processing line with a nip coiler are φ510 and φ610. For each specific jaw coiler, the outer diameter of the reel is fixed, and it can only be used for steel coils with one inner diameter. [0003] Steel coils with large inner diameters are more suitable for the production of thick, hard and heavy coils, so as to reduce the deformation of the strip, protect the internal performance of the strip, effectively improve the yield of the strip and increase the production capacity of the unit; at the same time, it can broaden the Raw material specifications, the design of reel diameter increasing device is of great application value. In view of this actual situation, the wid...
Claims
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IPC IPC(8): B21C47/04B21C47/30
Inventor 彭冲胡立华张璟况群意朱维杨志康
Owner WISDRI ENG & RES INC LTD