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Burr breaking device in high-frequency welded pipe and diagnosis method

A high-frequency welded pipe and welding device technology, applied in the field of high-frequency steel pipe manufacturing, can solve the problems of damaged tools, reduced steel pipe production work rate, time-consuming and labor-intensive, etc.

Pending Publication Date: 2022-08-05
SINOPEC OILFIELD EQUIP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a device and a diagnostic method for breaking internal burrs of high-frequency welded pipes, which solves the problem that the cutting tool of the breaking device cannot be adjusted flexibly, and the internal burrs can only be scraped off in the production process, causing frequent damage to the tool or burr blockage , to deal with time-consuming and labor-intensive phenomena, and it is impossible to judge and analyze whether the equipment is normal or faulty according to the actual situation. When the equipment is damaged, it is necessary to stop production to deal with internal burrs, resulting in the problem of a decline in the production rate of steel pipes

Method used

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  • Burr breaking device in high-frequency welded pipe and diagnosis method
  • Burr breaking device in high-frequency welded pipe and diagnosis method
  • Burr breaking device in high-frequency welded pipe and diagnosis method

Examples

Experimental program
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Effect test

Embodiment 1

[0041] like Figure 1-6Among them, a device and a diagnosis method for breaking burrs in a high-frequency welded pipe, including a bracket 1, a sliding movable frame 2 is arranged on the bracket 1, a rotatable cutting mechanism 7 is arranged on the movable frame 2, and the cutting mechanism 7 is provided with A guide hole 704 and a guide wheel 8 are provided, one end of the cutting mechanism 7 is provided with an oil cylinder 706, one end of the oil cylinder 706 is provided with a cutter 707, and the bracket 1 is provided with a movable weldment 6;

[0042] The welding piece 6 forms the burr 12 during the welding process to form the welded pipe 601 , and the cutting mechanism 7 is used for cutting the burr 12 . With this structure, the motor 10 is driven to move the moving frame 2 horizontally, so that the cutting mechanism 7 can extend into the weldment 6 to adjust the horizontal position of the guide hole 704 relative to the burr 12, and the oil pump 14 is driven to make the...

Embodiment 2

[0061] A diagnostic method for a burr breaking device in a high-frequency welded pipe, comprising the following steps: pre-welding preparation: driving the welding device 3 to weld part of the welded plate 602 into a welded pipe 601, so that burrs 12 are formed on the welded pipe 601; cutting Preparation of the position for coarse adjustment of the mechanism: drive the motor 10 to move the cutting rod 701 on the moving frame 2 in the horizontal direction, so that the cutting rod 701 extends into the welded pipe 601, so that the guide hole 704 is located under the burr 12, and the position of the cutting mechanism Adjustment: Press the lift button 403, the oil pump 14 works, so that one end of the cutting mechanism 7 is lowered, so that the other end of the cutting mechanism 7 is raised, and the motor 10 is driven several times again, and the horizontal position of the cutting mechanism 7 is adjusted so that the burr 12 passes through the guide. Puncture hole 704; interrupt data...

Embodiment 3

[0065] Further illustrate in conjunction with embodiment 1 and embodiment 2, as Figures 1~6, Manual monitoring should be done first when adjusting the type and changing lanes, set the switch knob 402 to the manual position on the operating table, start the oil pump 14, press the lift button 403, and transmit the signal to the PLC19, so that the PLC19 sends an instruction to control the solenoid valve 15. , the oil cylinder 706 pushes the tool 707 to the designated position, presses the interrupt button 404, and sends a command to the solenoid valve 15 through the PLC19 to hear the sound of the oil cylinder 706 driving the tool 707; and then set the switch knob 402 to the automatic position, in the function visualization display Set the burr interruption time as 2s on the interface of the control software 1701 displayed in 18, press the interruption button 404, send an instruction to the solenoid valve 15 through the PLC 19, and the oil pump 14 drives the tool 707 to move conti...

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Abstract

The invention provides a device for breaking burrs in a high-frequency welded pipe and a diagnosis method. The device comprises a support, a sliding moving frame is arranged on the support, a cutting mechanism capable of rotating is arranged on the moving frame, a burr guide hole and a guide wheel are arranged on the cutting mechanism, an oil cylinder is arranged at one end of the cutting mechanism, a cutter is arranged at one end of the oil cylinder, and a moving weldment is arranged on the support. Burrs are formed in the process that the weldment is welded into the welded pipe, and the cutting mechanism is used for cutting the burrs. The real-time change of the pressure is displayed through the visual display, and when the pressure transmitter exceeds a set threshold value range, the threshold value range is that the cutter does not meet burrs or the burrs do not cut, the buzzer gives an alarm, so that the burr state is visually monitored, and whether equipment is normal or breaks down can be judged and analyzed according to the actual pressure condition. The pressure and the scraping amount of the cutter are automatically adjusted, the probability of burr blockage is warned, post personnel are reminded to check and adjust in time, and large faults are prevented. And the method has a relatively high popularization value.

Description

technical field [0001] The invention relates to the field of high-frequency steel pipe manufacturing, in particular to a device and a diagnosis method for breaking burrs in a high-frequency welded pipe. Background technique [0002] High-frequency steel pipe is a kind of induction welding, it does not need weld filler, no welding spatter, narrow welding heat affected zone, beautiful welding shape, good welding mechanical properties and other advantages, so it is widely used in the production of steel pipes. Removing internal burrs from high-frequency straight seam welded pipes is not only a difficult technology in the production of high-frequency welded pipes, but also an important link in the production technology of welded pipes. The internal burr device in the prior art is just an ordinary hydraulic cylinder and a mechanical scraper device that are installed at one time when adjusting the shape. The tool cannot be adjusted flexibly, and the internal burr can only be scrap...

Claims

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Application Information

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IPC IPC(8): B23D79/02
CPCB23D79/023
Inventor 陈志强罗红福蔡小青钟存福石振聪陈红罗勇王永坤梁刚
Owner SINOPEC OILFIELD EQUIP CORP
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