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Plate rolling machine and plate rolling method capable of realizing online correction of barrel seam

A plate rolling machine and cylinder technology, which is applied in the field of plate rolling machines, can solve the problems of decoupling of chain hoists and potential safety hazards, and achieve the effects of reducing labor costs, improving cylinder quality, and good safety

Active Publication Date: 2021-04-13
CHENGXI SHIPYARD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When correcting the misalignment, it is necessary to cooperate with three operators to adjust and position the seam position of the cylinder with chain hoists. It takes about 15 minutes to complete a section of the cylinder, and there are still potential safety hazards (easy to cause manual pulley decoupling)

Method used

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  • Plate rolling machine and plate rolling method capable of realizing online correction of barrel seam
  • Plate rolling machine and plate rolling method capable of realizing online correction of barrel seam

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Such as Figures 1 to 2 Shown is an embodiment of a plate bending machine capable of realizing online correction of cylinder seams according to the present invention, which includes a pair of synchronous telescopic components 2 fixedly arranged beside the main body 1 of the plate bending machine, connected to the pair of synchronous telescopic Between the components 2 and through the synchronous telescopic component 2 to realize the vertical position adjustment of the beam 3, a pair of end pressure cylinders 4 arranged on the beam 3, the pair of end pressure cylinders 4 are separated in the The two ends of the crossbeam 3 and the front ends of the piston rod 5 of the pair of end pressure oil cylinders 4 are arranged facing each other.

[0037] Preferably, the synchronous telescopic assembly 2 includes a fixed support base 6, an up and down stretching oil cylinder 7 connected to the support base 6, the lower end of the up and down stretching oil cylinder 7 is rotatably c...

Embodiment 2

[0049]A plate rolling method using the plate rolling machine of Embodiment 1 capable of realizing online correction of cylinder seams, comprising the following steps:

[0050] (1) Steel plate blanking: according to the size of the cylinder body 16, a plasma cutting machine is used to blank the steel plate;

[0051] (2) Steel plate rolling: put the blanked steel plate between the shaft rollers 12 of the plate rolling machine, and roll the steel plate into a cylinder 16 through the pressure and rotation of the shaft roller 12;

[0052] (3) Axial butt joint correction of cylinder joints: operate a pair of synchronous telescopic assemblies 2 to rotate around the support base 6, so that the beam 3 between the pair of synchronous telescopic assemblies 2 is close to the cylinder 16, and stretches the cylinder 7 up and down Adjust the upper and lower positions of the beam 3 to a suitable height, adjust the position of the cylinder joint 17 to the side facing the beam 3 through the rot...

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Abstract

The invention relates to the technical field of plate rolling machines, and discloses a plate rolling and a plate rolling method capable of realizing online correction of a barrel seam. The plate rolling machine comprises a pair of synchronous telescopic assemblies fixedly arranged beside a main machine of the plate rolling machine, a cross beam connected between the pair of synchronous telescopic assemblies and capable of achieving vertical position adjustment through the synchronous telescopic assemblies, and a pair of end face jacking oil cylinders arranged on the cross beam, wherein the pair of end face jacking oil cylinders are arranged at the two ends of the cross beam correspondingly, and the front ends of piston rods of the pair of end face jacking oil cylinders are arranged face to face. According to the plate rolling machine and the plate rolling method, efficiency and precision of correcting the misalignment at the barrel seam are improved, the labor cost is reduced, and the operation safety is improved.

Description

technical field [0001] The invention relates to the technical field of plate rolling machines, in particular to a plate rolling machine and a plate rolling method capable of realizing online correction of cylinder joints. Background technique [0002] In the prior art, a steel plate is usually used as a raw material for the production of a cylindrical body, which is formed by bending the steel plate on a plate rolling machine and then welding at the bent butt joint longitudinal seam. Due to the precision of the plate rolling machine and human factors in the operation, there will be a certain misalignment error at the butt longitudinal seam after the steel plate is bent, including axial misalignment error (that is, the axial ends of the cylinder at the seam are not aligned) And radial misalignment error (that is, there is a large gap at the joint of the cylinder and the gap is uneven). [0003] In order to correct the dislocation error at the seam of the cylinder, the prior ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00B21D5/14
CPCB23P15/00B21D5/14
Inventor 李晓洪金雪峰
Owner CHENGXI SHIPYARD
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