CN210386963U

CN210386963U - Waste oil pipe hot rolling mill set

Info

Publication number: CN210386963U
Application number: CN201920122932.1U
Authority: CN
Inventors: 苟坤帅
Original assignee: Ningxia Chenbang Petroleum Equipment Manufacture Co ltd
Current assignee: Shandong Meisheng Thermal Energy Technology Co ltd
Priority date: 2019-01-24
Filing date: 2019-01-24
Publication date: 2020-04-24
Anticipated expiration: 2029-01-24

Abstract

The utility model discloses a waste oil pipe hot rolling mill group, which comprises a hot rolling mill main body, a superaudio induction heating device and a pushing mechanism, wherein the superaudio induction heating device is arranged at the front end of the hot rolling mill main body, the hot rolling mill main body comprises a frame and three roller mechanisms, the three roller mechanisms are arranged on the frame, and a roller gap is formed between the three roller mechanisms; push mechanism includes the small rail car, the straight line track, the dabber frame, dabber and motor, be equipped with the straight line track of placing waste oil pipe on the small rail car, the dabber frame is equipped with to the orbital one end of straight line, install the dabber on the dabber frame, the dabber is connected with the motor, and the dabber is located the orbital top of straight line, waste oil pipe registrates at the spindle, the core head of dabber extends to in the roll gap, through above-mentioned technical scheme, waste oil pipe refabrication is of high quality, and can roll into the oil pipe of other specifications, it is suitable for extensively.

Description

Waste oil pipe hot rolling mill set

Technical Field

The utility model relates to a rolling mill technical field, more specifically the utility model relates to a waste oil pipe hot rolling mill group that says so.

Background

The oil pipe accounts for more than 10% of the total amount of the steel for the petroleum industry, is a consumable item and a large cost expenditure item in oil field production, the remanufacturing technology can change a waste and useless oil pipe into a new oil pipe with better performance, and for oil field enterprises which scrap a large amount of oil pipes every year, the remanufacturing of the oil pipe can save the cost of the enterprises, guarantee the production and reduce the energy consumption and the pollution.

However, the existing oil pipe remanufacturing industry is still in a trial stage in China, on one hand, the whole waste oil pipe needs to be heated, the energy consumption is huge, and the waste oil pipe is easy to deform in the pushing process, and on the other hand, although corrosion points, eccentric grooves and eccentric wear points of the oil pipe can be eliminated, the oil pipe cannot be rolled into oil pipes of other specifications, and the application range is limited.

Therefore, how to provide a waste oil pipe hot rolling unit to enable the waste oil pipe to have good remanufacturing quality and wide application range is a problem which needs to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an old and useless oil pipe hot rolling mill group, simple structure, the energy consumption is low, and refabrication is of high quality, and can roll into the oil pipe of other specifications, increases application scope, increases utilization ratio.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the waste oil pipe hot rolling unit comprises a hot rolling mill main body, a superaudio induction heating device and a pushing mechanism, wherein the superaudio induction heating device is arranged at the front end of the hot rolling mill main body, the hot rolling mill main body comprises a rack and three roller mechanisms, the three roller mechanisms are arranged on the rack, and roller gaps are formed among the three roller mechanisms; the pushing mechanism comprises a small rail car, a linear rail, a mandrel frame, a mandrel and a motor, wherein the linear rail for placing the waste oil pipe is arranged on the small rail car, the mandrel frame is arranged at one end of the linear rail, the mandrel is arranged on the mandrel frame and connected with the motor, the mandrel is located above the linear rail, the waste oil pipe is sleeved on the mandrel, and a mandrel head of the mandrel extends into a roll gap.

Furthermore, the three roller mechanisms are identical in structure and respectively comprise a lifting hydraulic cylinder, an angle-adjustable clamp and a roller, the lifting hydraulic cylinder is connected with the angle-adjustable clamp, and the roller is mounted on the angle-adjustable clamp.

Further, the roller is an inclined roller or a flat roller with a spread rolling angle.

Furthermore, the adjustable angle fixture comprises a fixed seat and an adjustable angle concave ring body, the fixed seat is fixedly connected with the lifting hydraulic cylinder, the fixed seat is connected with the adjustable angle concave ring body through a rotating shaft, and the adjustable angle concave ring body is matched with the roller structure.

Further, the cross section of the frame is a regular hexagon.

Through taking above scheme, the beneficial effects of the utility model are that:

1) the superaudio induction heating device is arranged at the front end of the hot rolling mill main body, before the waste oil pipe enters the hot rolling mill main body, the superaudio induction heating device only rapidly heats the local part of the waste oil pipe, then the local heating part enters a roll gap to be rolled, so that the waste oil pipe is integrally rolled under the pushing of the pushing mechanism, the integral heating of the oil pipe before rolling is avoided, the power consumption is reduced, meanwhile, the contact part of the linear track and the waste oil pipe is not heated, and the phenomenon that the track trolley generates acting force on the waste oil pipe in the pushing process to deform is avoided;

2) the distance between the three rolling mechanisms and the angle of the single rolling mechanism can be adjusted, and the waste oil pipe is subjected to equal-diameter wall reduction, diameter wall increase, equal-diameter wall reduction and the like to produce oil pipes with various specifications, so that the application range is enlarged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall structure of a waste oil pipe hot rolling mill set provided by the present invention;

FIG. 2 is a schematic structural diagram of a hot rolling mill body according to the present invention;

fig. 3 is a schematic diagram of the matching relationship between the roller and the core print provided by the present invention.

In the figure: 1-hot rolling mill body, 2-ultrasonic induction heating device, 3-pushing mechanism, 4-waste oil pipe, 11-frame, 12-rolling mechanism, 31-rail trolley, 32-linear rail, 33-mandrel frame, 34-mandrel, 35-motor, 121-lifting hydraulic cylinder, 122-fixing seat, 123-angle-adjustable concave ring body, 124-roller and 341-core head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the embodiment of the utility model discloses a waste oil pipe hot rolling mill group, including hot rolling mill main part 1, superaudio induction heating device 2 and push mechanism 3, superaudio induction heating device 2 sets up the front end at hot rolling mill main part 1, and hot rolling mill main part 1 includes frame 11 and three rolling mechanism 12, and three rolling mechanism 12 is installed on frame 11, and forms the roll gap between three rolling mechanism 12; the pushing mechanism 3 comprises a rail trolley 31, a linear rail 32, a mandrel frame 33, a mandrel 34 and a motor 35, the rail trolley 31 is provided with the linear rail 32 for placing the waste oil pipe 4, the mandrel frame 33 is arranged at one end of the linear rail 32, the mandrel 34 is installed on the mandrel frame 33, the mandrel 34 is connected with the motor 35, the mandrel 34 is located above the linear rail 32, the waste oil pipe 4 is sleeved on the mandrel 34, and a core head 341 of the mandrel 34 extends into a rolling gap. The ultrasonic frequency induction heating device 2 is arranged at the front end of the hot rolling mill body 1, before the waste oil pipe 4 enters the hot rolling mill body 1, the ultrasonic frequency induction heating device 2 only carries out rapid heating on the local part of the waste oil pipe 4, then the local heating part enters a roll gap for rolling, so that the waste oil pipe 4 is integrally rolled under the pushing of the pushing mechanism 3, thereby avoiding the integral heating of the oil pipe before rolling and reducing the power consumption, meanwhile, the contact part of the linear track 32 and the waste oil pipe 4 is not heated, thereby avoiding the track trolley 31 from generating acting force on the waste oil pipe 4 in the pushing process to cause deformation, simultaneously, the distance between the three roll mechanisms 12 and the angle of the single roll mechanism 12 can be adjusted, and the waste oil pipe 4 is subjected to equal-diameter wall reduction, diameter wall reduction wall increase, equal-diameter wall increase and the like, produce oil pipes of various specifications and enlarge the application range.

Specifically, the three roll mechanisms 12 have the same structure and each include a hydraulic lifting cylinder 121, an angle-adjustable clamp and a roll 124, the hydraulic lifting cylinder 121 is connected with the angle-adjustable clamp, and the roll 124 is mounted on the angle-adjustable clamp.

Specifically, the nip roll 124 is a skew roll or a flat roll with a nip angle.

Specifically, the angle-adjustable fixture comprises a fixed seat 122 and an angle-adjustable concave ring body 123, the fixed seat 122 is fixedly connected with a lifting hydraulic cylinder 121, the fixed seat 122 is connected with the angle-adjustable concave ring body 123 through a rotating shaft, and the angle-adjustable concave ring body 123 is structurally matched with a roller 124.

Specifically, the cross section of the frame 11 is a regular hexagon.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The waste oil pipe hot rolling unit is characterized by comprising a hot rolling mill main body, a superaudio induction heating device and a pushing mechanism, wherein the superaudio induction heating device is arranged at the front end of the hot rolling mill main body, the hot rolling mill main body comprises a rack and three rolling mechanisms, the three rolling mechanisms are arranged on the rack, and rolling gaps are formed among the three rolling mechanisms; the pushing mechanism comprises a small rail car, a linear rail, a mandrel frame, a mandrel and a motor, wherein the linear rail for placing the waste oil pipe is arranged on the small rail car, the mandrel frame is arranged at one end of the linear rail, the mandrel is arranged on the mandrel frame and connected with the motor, the mandrel is located above the linear rail, the waste oil pipe is sleeved on the mandrel, and a mandrel head of the mandrel extends into a roll gap.

2. The hot rolling mill train for waste oil pipes as claimed in claim 1, wherein the three rolling mechanisms are identical in structure and each comprises a lifting hydraulic cylinder, an angle-adjustable clamp and a roller, the lifting hydraulic cylinder is connected with the angle-adjustable clamp, and the roller is mounted on the angle-adjustable clamp.

3. The hot scrap pipe mill train as claimed in claim 2 wherein the rolls are skew or flat rolls with a spread roll angle.

4. The hot rolling mill train for waste oil pipes as claimed in claim 2, wherein the angle-adjustable clamp comprises a fixed seat and an angle-adjustable concave ring body, the fixed seat is fixedly connected with the lifting hydraulic cylinder, the fixed seat is connected with the angle-adjustable concave ring body through a rotating shaft, and the angle-adjustable concave ring body is matched with the roller structure.

5. The hot scrap pipe mill as in claim 1 wherein the cross section of the stand is a regular hexagon.