Plate forming mill being convenient for digital control
A technology of cold bending machine and plate, which is applied in the field of automatic forming and processing machinery for steel plates, which can solve the problems that complex curved surfaces cannot be processed, deformation and springback have not been solved well, and achieve good forming effect, low pollution and high processing efficiency high effect
Inactive Publication Date: 2008-06-04
WUHAN UNIV OF TECH
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Problems solved by technology
[0007] Due to the problems of deformation and springback in plate cold processing, the problem of deformation and springback has not been well solved, so the method of processing according to the sample is still used in the processing to realize the automatic control of the bending process, which is an inevitable trend of the automation of the hull plate forming process
At present, the domestic research mainly focuses on sheet metal bending processing, and the three-roller bending machines are mainly put into practical use, and there are also four-roller bending machines. Their main disadvantage is that they can only bend single-curved panels and cannot process them. complex surface
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[0021] It includes a rolling three-point working mechanism and its electronically synchronized revolving body, a cantilevered fuselage 10 and a machine base 15 .
[0022] Three fulcrums working mechanism is made up of a pair of upper roller 8, lower roller 12. The upper roller 8 is a driven wheel with a telescopic hydraulic cylinder; the lower roller 12 is a driving wheel driven by a hydraulic motor through deceleration, and its U-shaped groove is a lower die forming two fulcrums to support the steel plate. The electronic synchronous rotary body is divided into upper and lower parts, and the upper rotary body is installed under the cantilever of the cantilever type fuselage 10; the lower rotary body is installed on the support 15.
[0023] The upper roller 8 is connected to the piston lower rod 3 of the hydraulic cylinder 2 through its support body 1, the piston upper rod 5 is equipped with a rotary driven gear 4, and the rotary driving gear 7 matched with it is driven by the ...
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The invention relates to a digit-control plate cold bender, wherein it comprises three-point working element, electric synchronous rotator, suspension arm machine and base; three-point working element is formed by upper and lower rolling wheels; the upper wheel is inactive wheel with flexible hydraulic cylinder; the lower wheel is active wheel transmitted by hydraulic motor; the U-shape groove is lower mould to form two-point supporting steel plate; the electric synchronous rotator has upper and lower two parts, while the upper rotator is mounted under the suspension arm to rotate the inactive wheel and the lower rotator is on the base via angle sensor to synchronously rotate the active wheel and inactive wheel. The invention can directly bend complex plate, with high efficiency and low pollution, without affected by heating method, cooling method, etc, compared with liner heating method. The invention has wide application.
Description
technical field [0001] The invention relates to an automatic forming processing machine for steel plates, in particular to an automatic forming processing machine for steel plates in industries such as shipbuilding, aviation, boiler, chemical industry and automobile manufacturing. Background technique [0002] Sheet metal sheet forming processing has always been the bottleneck of the production process in shipbuilding, aviation, boiler, chemical, automobile manufacturing and other industries, which has attracted attention. [0003] Taking the shipbuilding industry as an example, due to the complexity of the curvature required for plate processing, the processing methods used are also different. The main methods are plate fire bending and plate cold bending. Among them, the cold bending of the sheet includes rolling bending, bending and so on. [0004] With the development of shipbuilding technology and the rapid development of the shipbuilding industry, it is urgent to spee...
Claims
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IPC IPC(8): B21D5/08
Inventor 郑绍春
Owner WUHAN UNIV OF TECH