Vertical hydraulic straightening machine

A straightening machine and hydraulic technology, applied in the field of straightening machines, can solve the problems of large frictional resistance between the worktable and the base, irregular deformation of the workpiece, unstable center of gravity, etc., to ensure the straightening quality, reduce the motor power, reduce the The effect of resistance

Active Publication Date: 2010-02-24
TAIYUAN HEAVY IND
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Problems solved by technology

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a vertical hydraulic straightening machine to solve the problem

Method used

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Embodiment Construction

[0015] Such as figure 1 , 2 , shown in 3, a kind of vertical hydraulic straightening machine, comprises: frame 1, is installed in the workbench 2 of frame bottom, moves on base 15, is arranged on the left rotary mechanism 4 of workbench 2 upper surfaces, right Slewing mechanism 3, master cylinder 9, return cylinder 10 and movable beam 12 installed on frame 1, pressure head 8 fixed on movable beam 12, two V-shaped supports 5 arranged on the upper surface of workbench 2.

[0016] The workbench 2 is a box-shaped welded steel plate. The two ends of the workbench 2 are respectively provided with four plunger cylinders 13 and four wheels 23. The hydraulic oil enters the plunger cylinders 13 and lifts up to work. Table 2. After the pressure is released, the table 2 falls on the frame 1, and the press can be pressurized to start working.

[0017] The two ends of the workbench 2 are respectively equipped with a main transmission mechanism 6 and a driven transmission mechanism 7, and ...

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Abstract

The invention discloses a vertical hydraulic straightening machine and relates to the vertical hydraulic straightening machine with a fixed pressing machine and a movable workbench. The vertical hydraulic straightening machine comprises a rack, the workbench which is mounted at the lower part of the rack and can move on a base, a left slewing mechanism and a right slewing mechanism which are arranged on the upper surface of the workbench, a main cylinder, a pullback cylinder and a portable beam which are mounted on the rack, a press head fixed on the portable beam and two V-shaped supports which are arranged on the upper surface of the workbench. The vertical hydraulic straightening machine is characterized in that four plunger cylinders and four wheels are respectively arranged on the lower surface of the workbench which is positioned at two ends of the workbench, a driving transmission mechanism and a driven transmission mechanism are respectively mounted at two ends of the workbench, and material supporting devices are symmetrically arranged on two sides of the rack and in the positions which are vertical to the length direction of a work piece. The vertical hydraulic straightening machine can solve the problems that the friction resistance between a plate of the workbench and the base is large, the deformation of the work piece is irregular, the center of gravity is unstable, and a steel pipe can lodge during straightening.

Description

technical field [0001] The invention relates to a straightening machine, in particular to a vertical hydraulic straightening machine with a fixed press and a movable workbench. Background technique [0002] In the vertical hydraulic straightening machine of the prior art, there is sliding friction between the worktable and the base, and the frictional resistance is large. In addition, when the vertical hydraulic straightening machine straightens the steel pipe, it is first necessary to stand up the bend of the steel pipe so that the highest point of the bend is consistent with the pressure center of the master cylinder, and then the master cylinder is loaded vertically for straightening. Due to the irregular deformation of the workpiece and the unstable center of gravity, it is difficult to find the straightening point. It often happens that when the master cylinder is loaded, the steel pipe will be overwhelmed before the bending is straightened. Repeated operations are requ...

Claims

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Application Information

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IPC IPC(8): B21D3/10
Inventor 赵立慧石如磐崔景海王书勇宋成妮
Owner TAIYUAN HEAVY IND
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