CN217941356U - Pipe rolling mechanism of seamless steel pipe hot rolling mill - Google Patents

Abstract

The utility model discloses a pipe rolling mechanism of a seamless steel pipe hot rolling mill, which comprises a base, a frame, a mounting seat, a sliding seat, an extrusion seat, a telescopic mechanism, a first plastic roller and a second plastic roller, wherein the first plastic roller and the second plastic roller are arranged in the frame and can adjust the positions; through the first telescopic machanism of rigid coupling in the second mount pad outside, set up the second telescopic machanism in the first sliding seat and the second sliding seat outside and control respectively between two first moulding rollers and the distance between two moulding rollers of second, both made the thickness of rolling pipe pipeline lateral wall adjustable, improved the processing effect, guaranteed the adjusting range of sufficient rolling pipe wall thickness again for the adjustable wall thickness size scope of rolling the pipe when rolling the pipe mechanism and rolling the pipe is bigger.

Description

Pipe rolling mechanism of seamless steel pipe hot rolling mill

Technical Field

The utility model relates to a seamless steel pipe hot rolling mill roll tub technical field of mechanism especially relates to a seamless steel pipe hot rolling mill roll tub of mechanism.

Background

Steel pipes made of a single piece of metal and having no seam on the surface are called seamless steel pipes, and the seamless steel pipes are classified into hot rolled steel pipes and cold rolled seamless steel pipes, and hot rolling refers to rolling performed at a temperature higher than the recrystallization temperature. The hot rolling process can obviously reduce energy consumption and cost. The hot rolling has high metal plasticity and low deformation resistance, greatly reduces the energy consumption of metal deformation, and can improve the processing property of metal and alloy, i.e. crushing coarse grains in a casting state, obviously healing cracks, reducing or eliminating casting defects, converting an as-cast structure into a deformed structure, and improving the processing property of the alloy. The seamless steel pipe is hot rolled. Realize through the hot rolling mill usually, moulding roller on traditional seamless steel pipe hot rolling mill's the pipe binding mechanism is usually fixed on the support, can not process the lateral wall thickness of pipeline as required and adjusting position, the processing effect is relatively poor, relevant this problem, the grant publication number is CN 217141720U's china utility model discloses a pipe binding equipment of thin wall seamless steel pipe hot rolling mill, the on-line screen storage device comprises a base, the even fixed mounting of up end of base has the leading wheel, the up end contact of leading wheel is connected with the pipeline, the up end one end fixed mounting of base has first mount pad, the up end both sides fixed mounting of first mount pad has first hydraulic stem, the up end fixed mounting of first hydraulic stem has the second mount pad, first mounting groove has all been seted up with the lower terminal surface of second mount pad to the up end of first mount pad, the both ends of first mounting groove are passed through bearing fixed mounting and are first moulds the shape roller. This tube binding equipment of thin wall seamless steel pipe hot rolling mill can control the distance between two first moulding rollers and two moulding rollers of second respectively through first hydraulic stem and second hydraulic stem to can adjust the thickness of pipeline lateral wall as required, improve the processing effect. But the utility model provides a hydraulic stem is located between two mount pads (or sliding seat), and when the lateral wall thickness that needs processing pipeline was less, the hydraulic stem can hinder the hot rolling mill and roll the pipe, and then reduces the scope of rolling pipe wall thickness size that can adjust when rolling pipe mechanism and roll the pipe, in addition, when the bending degree of steel pipe is great, only lean on the shaping roller to roll a bit, this utility model's roll pipe efficiency can be very low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a roll tub mechanism that is used for seamless steel pipe hot rolling mill to roll tub unimpededly and roll tub efficiently.

The technical solution of the utility model is that:

the utility model provides a seamless steel pipe hot rolling mill roll tub mechanism, includes the base, the up end of base fixed mounting respectively has first mount pad and frame, fixed mounting has first telescopic machanism in the frame, the rigid coupling has the second mount pad that corresponds with first mount pad under the first telescopic machanism, first mounting groove has all been seted up to the up end of first mount pad and the lower terminal surface of second mount pad, bearing fixed mounting has first shaping roller at the both ends of first mounting groove, the up end both sides of base are located the both ends of first mount pad and do not sliding connection have first sliding seat and second sliding seat, the outside rigid coupling of first sliding seat and second sliding seat has second telescopic machanism, second telescopic machanism fixed mounting is in the frame, the up end of first sliding seat and the lower terminal surface of second sliding seat have all seted up the second mounting groove, the inside both ends of second mounting groove all have the second through bearing fixed mounting and mould the roller, the one end fixed mounting of base up end has first pressure seat, fixed mounting has the third telescopic machanism, the top of third telescopic machanism has all seted up the lower extreme of second extrusion seat and the extrusion seat.

Further, the mounting panel has all been extended to first sliding seat and second sliding seat bottom, equal fixed mounting has the roller bearing on the mounting panel, all cup jointed the cylinder on the roller bearing.

Further, first mounting groove, second mounting groove, third mounting groove are the arc wall, just the diameter of first mounting groove equals with the diameter of second mounting groove, the diameter of third mounting groove is greater than the diameter of first mounting groove.

Furthermore, the first telescopic mechanism, the second telescopic mechanism and the third telescopic mechanism are all hydraulic oil cylinders.

Further, base up end rigid coupling has the fixed block, be equipped with the spout between the fixed block, the cylinder is contradicted the spout bottom, be equipped with the standing groove on the fixed block, a telescopic machanism rigid coupling is in the standing groove.

The utility model has the advantages that:

the utility model pre-rolls the rolled pipe by the extrusion seat, reduces the flexibility of the rolled pipe, is convenient for the installation seat and the sliding seat to rapidly roll the pipe, and improves the efficiency of the rolled pipe;

the utility model discloses a distance between two first moulding rollers and between two moulding rollers of second is controlled respectively to the rigid coupling at the first telescopic machanism in the second mount pad outside, the second telescopic machanism who sets up in the first sliding seat and the second sliding seat outside, has both made the thickness of rolling pipe pipeline lateral wall adjustable, has improved the processing effect, has guaranteed the regulatory range of sufficient rolling pipe wall thickness again for the wall thickness size scope of rolling pipe that adjustable when rolling pipe mechanism rolls the pipe is bigger.

Drawings

Fig. 1 is a front sectional view of the present invention;

fig. 2 is a side sectional view of the structure of the first and second mounting seats of the present invention;

fig. 3 is a side sectional view of the structure of the first sliding seat and the second sliding seat of the present invention;

FIG. 4 is a side sectional view of the structure of the first and second extrusion seats of the present invention;

fig. 5 is an enlarged view of a portion a of fig. 3 according to the present invention;

wherein: 1. the device comprises a base, 2, a rack, 3, a first mounting seat, 4, a second mounting seat, 5, a first mounting groove, 6, a first plastic roller, 7, a first sliding seat, 8, a second sliding seat, 9, a second telescopic mechanism, 10, a second mounting groove, 11, a second plastic roller, 12, a first extrusion seat, 13, a second extrusion seat, 14, a third mounting groove, 15, a mounting plate, 16, a rolling shaft, 17, a roller, 18, a fixed block, 19, a sliding groove, 20, a first telescopic mechanism and 21, a third telescopic mechanism.

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.

Referring to fig. 1-5, a seamless steel pipe hot rolling mill roll tub of mechanism, includes base 1, the up end of base 1 has first mount pad 3, welding with frame 2 with the bolt fastening, 2 top inner walls of frame have the decurrent first telescopic machanism 20 of pars contractilis, the welding of the lower extreme of first telescopic machanism 20 has second mount pad 4, first mounting groove 5 has all been seted up to the up end of first mount pad 3 and the lower terminal surface of second mount pad 4, bearing fixed mounting has first shaping roller 6 at the both ends of first mount pad 5, the both ends that the up end both sides of base 1 are located first mount pad 3 are sliding connection respectively has first sliding seat 7 and second sliding seat 8, the outside welding of first sliding seat 7 and second sliding seat 8 is on the top of the pars contractilis of second telescopic machanism 9, the bottom of second telescopic machanism 9 is bolted fixation on frame 2 side inner walls with the bolt fastening, the up end of first sliding seat 7 and the lower terminal surface of second sliding seat 8 all seted up end second mounting groove 10, the upper end of second telescopic machanism has the upper end of second telescopic machanism 12 and the welding of second telescopic seat has the upper end of second telescopic machanism 13, the upper end of second telescopic machanism has all seted up end of second telescopic seat 12 and the welding has the welding of second telescopic seat 13, the upper end of the welding of the upper end of second telescopic machanism 12 has the upper end of second telescopic machanism 12 and the welding of second telescopic seat 12, the upper end of the extrusion seat 12 has the extrusion seat of extrusion mechanism 12, the extrusion seat of extrusion mechanism 12 the extrusion seat of extrusion mechanism has the extrusion seat 12, the extrusion mechanism has the extrusion seat of second telescopic machanism, the extrusion seat of extrusion mechanism 12 has the extrusion seat of extrusion mechanism.

When a steel pipe enters the pipe rolling mechanism to be rolled, and the steel pipe is bent, the third telescopic mechanism is controlled to be pressed downwards, the second extrusion seat 13 is controlled to be pressed downwards, and the bent part of the steel pipe in the third installation groove 14 is quickly pressed to be straight under the extrusion of the first extrusion seat 12 and the second extrusion seat 13. The side wall thickness of processing the pipeline as required adjusts first telescopic machanism 20 and the flexible of second telescopic machanism 9 for the notch of first mounting groove 5 and second mounting groove 10 aligns, guarantees that the steel pipe in first mounting groove 5 and second mounting groove 10 can roll on same straight line, and until the steel pipe roll good.

In this embodiment, the mounting plate 15 has all been extended to first sliding seat 7 and second sliding seat 8 bottom, all weld on the mounting plate 15 and have roller 16, all overlap on the roller 16 and have cylinder 17, first sliding seat 7 and second sliding seat 8 accessible cylinder 17 slide in spout 19. When the positions of the first sliding seat 7 and the second sliding seat 8 are adjusted through the second telescopic mechanism 9, the roller 17 rotates around the roller 16, and the first sliding seat 7 and the second sliding seat 8 slide in the sliding groove 19.

In this embodiment, the first mounting groove 5, the second mounting groove 10 and the third mounting groove 14 are arc-shaped grooves, and the diameter of the first mounting groove 5 is equal to the diameter of the second mounting groove 10, so as to ensure that the pressure applied to the outside of the steel pipe passing through the first mounting groove 5 and the steel pipe passing through the second mounting groove 10 is the same, and the diameter of the third mounting groove 14 is greater than the diameter of the first mounting groove 5. So as to ensure that the steel pipe with larger curvature can be straightened, and the pipe rolling is convenient.

In this embodiment, the first telescoping mechanism 20, the second telescoping mechanism 9, and the third telescoping mechanism are all hydraulic cylinders, and the hydraulic cylinders can provide sufficient pressure, so that the efficiency of pipe rolling is higher.

In this embodiment, fixed blocks 18 are welded on the upper end face of the base 1, sliding grooves 19 are formed between the fixed blocks 18, the rollers 17 abut against the bottoms of the sliding grooves 19, placing grooves are formed in the fixed blocks 18, and partial side walls of the first telescopic mechanisms 20 are welded on the side walls of the placing grooves.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (5)

1. The utility model provides a seamless steel pipe hot rolling mill roll tub mechanism, includes the base, its characterized in that, the up end of base fixed mounting respectively has first mount pad and frame, fixed mounting has first telescopic machanism in the frame, the rigid coupling has the second mount pad that corresponds with first mount pad under the first telescopic machanism, first mounting groove has all been seted up to the up end of first mount pad and the lower terminal surface of second mount pad, there is first shaping roller at the both ends of first mounting groove through bearing fixed mounting, the both ends difference sliding connection that the up end both sides of base are located first mount pad has first sliding seat and second sliding seat, the outside rigid coupling of first sliding seat and second sliding seat has second telescopic machanism, second telescopic machanism fixed mounting is in the frame, the up end of first sliding seat and the lower terminal surface of second sliding seat have all seted up the second mounting groove, the inside both ends of second mounting groove all have the second shaping roller through bearing fixed mounting, the one end fixed mounting of base up end has first pressing seat, fixed mounting has the third pressing machanism the top, the equal lower extreme of second pressing machanism has the second pressing seat and the second pressing seat.

2. The tube rolling mechanism of a hot rolling mill for seamless steel tubes as claimed in claim 1, wherein a mounting plate extends from the bottom of each of the first sliding seat and the second sliding seat, and a roller is fixedly mounted on each of the mounting plates and sleeved on each of the rollers.

3. The tube rolling mechanism of a hot rolling mill for seamless steel tubes as claimed in claim 1, wherein the first installation groove, the second installation groove and the third installation groove are arc-shaped grooves, the diameter of the first installation groove is equal to that of the second installation groove, and the diameter of the third installation groove is greater than that of the first installation groove.

4. The tube rolling mechanism of a hot seamless steel tube rolling mill as claimed in claim 1, wherein the first telescoping mechanism, the second telescoping mechanism and the third telescoping mechanism are all hydraulic cylinders.

5. The tube rolling mechanism of a hot rolling mill for seamless steel tubes as claimed in claim 2, wherein the upper end of the base is fixedly connected with fixing blocks, a sliding groove is arranged between the fixing blocks, the roller is abutted against the bottom of the sliding groove, a placing groove is arranged on the fixing blocks, and the first telescopic mechanism is fixedly connected in the placing groove.

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