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Machining process of large hydraulic plate shear rack

A processing technology and hydraulic shearing technology, used in metal processing equipment, accessories of shearing machines, shearing devices, etc., can solve problems such as difficult to control precision and easy deformation, eliminate deformation and dislocation, improve welding quality, and ensure position. The effect of precision

Active Publication Date: 2017-02-22
安徽金大进重工机床有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to overcome the large-scale hydraulic shearing machine in the prior art, which is easily deformed during processing and the precision is difficult to control, and provides a processing technology for the frame of the large-scale hydraulic shearing machine. The method, the flame-spraying deformation correction and the processing technology of the overall machining reduce the deformation of the frame during welding processing, improve the dimensional accuracy, and are beneficial to the improvement of the product processing quality and service life of the shearing machine

Method used

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  • Machining process of large hydraulic plate shear rack
  • Machining process of large hydraulic plate shear rack
  • Machining process of large hydraulic plate shear rack

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] combine figure 2 , image 3 , the hydraulic press shearing machine includes a first wall panel 11 and a second wall panel 12, a front panel 21, a bracket with a worktable panel 41, and the first wall panel 11 and the second wall panel 12 are distributed on two sides of the frame The side plays the main supporting role, and the first and second are only for the convenience of distinguishing and describing, and there is no specific limitation on the actual structure of the shearing machine. The front panel 21 is positioned at the front side of the frame, and the binder seat 23 below the front panel 21 is used to fix the binder mechanism 24, which is connected to the binder seat 23 by bolts to hold down the plate when shearing. The rear side of the frame is provided with a top support beam 13, which can further improve the structural strength of the frame.

[0049] For hydraulic shearing machines, deformation will inevitably occur during welding processing. Due to the s...

Embodiment 2

[0081]The processing technology of a large-scale hydraulic shearing machine frame of this embodiment is the same as that of embodiment 1, and the difference is that the outer surface of the wallboard in step 1 corresponds to the upper roller shaft hole 15 and the lower roller shaft hole 15. A thickened plate 17 is welded at the position of the roller shaft hole 16, and the thickened plate 17 is circular and arranged coaxially with the roller shaft hole. Since the wallboards on both sides of the small shearing machine are relatively thin, the welded thickening plate 17 helps to improve the structural strength, and facilitates the overall machining operation in step 8.

[0082] After the top support beam 13 is welded in step 4, a rear ejector rod 14 is welded between the two wall panels, and the rear ejector rod 14 is located at the bottom of the wall panels to further increase the structural strength.

[0083] The flame heating temperature in step 6 is 700°C, and then it can be...

Embodiment 3

[0086] The processing technology of a frame of a large hydraulic shearing machine in this embodiment is basically the same as that of Embodiment 2, further: the welding of the entire weld seam is carried out by adopting a diagonal welding method. When welding, weld from bottom to top, and the welding sequence is the same as the intermittent welding sequence, that is: first weld the junction of the main support plate 42 and the first wall panel 11, and then perform welding on the junction of the auxiliary support plate 43 and the second wall panel 12. Welding, and then welding the junction of the main support plate 42 and the second wallboard 12 , and finally welding the junction of the auxiliary support plate 43 and the first wallboard 11 .

[0087] In combination with the above embodiments, the present invention first rationally arranges the welding process, assembles the frame frame, and then uses the method of spraying fire to eliminate welding deformation; finally uses the ...

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Abstract

The invention discloses a machining process of a large hydraulic plate shear rack, and belongs to the field of plate shear machining. The machining process of the large hydraulic plate shear rack comprises the machining steps that 1, wallboards and a front face plate are machined; 2, a bracket is welded, and a reference surface is machined; 3, the wallboards and the front face plate are welded; 4, a top supporting beam is welded between the two wallboards; 5, the bracket is intermittently welded and fixed; 6, cooling is carried out after fire spraying heating, and deformation is eliminated; 7, the bracket is welded again; 8, overall machining is carried out. By means of the machining process of welding method control, fire spraying deformation correction and overall machining, the deformation quantity of the rack during welding machining is reduced, size precision is improved, the product machining quality of a plate shear can be improved, and the service life of the plate shear can be prolonged.

Description

technical field [0001] The invention relates to the technical field of shearing machine processing, and more specifically, relates to a processing technology for a frame of a large hydraulic shearing machine. Background technique [0002] At present, the shearing machine is indispensable in the field of metal processing. According to the power type, the shearing machine is divided into hydraulic shearing machine and electric shearing machine. The electric shearing machine has sufficient power and high efficiency, but the vibration is large and the noise is large. The cutting width is limited; the hydraulic shearing machine mainly relies on two hydraulic cylinders to drive the movement of the upper tool holder to realize the shearing of the plate. It has stable performance and can cut wider plates. It is currently widely used. [0003] However, in the production process of the hydraulic shearing machine, the various parts can be welded together to form a frame by welding or m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
CPCB23D33/00B23P15/00
Inventor 王大进严长贵
Owner 安徽金大进重工机床有限公司
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