CN213436416U

CN213436416U - Straightening mechanism for seamless steel pipe

Info

Publication number: CN213436416U
Application number: CN202022060417.0U
Authority: CN
Inventors: 毛珍凤; 王皓哲; 容松如
Original assignee: Zhejiang Detrans Piping Co ltd
Current assignee: Zhejiang Detrans Piping Co ltd
Priority date: 2020-09-19
Filing date: 2020-09-19
Publication date: 2021-06-15
Anticipated expiration: 2030-09-19

Abstract

The utility model discloses a straightening mechanism for seamless steel pipes in the technical field of seamless steel pipe processing, which comprises two groups of supporting side plates, wherein the two groups of supporting side plates are arranged in parallel in the front and back direction, three groups of straight chutes are evenly arranged on the outer walls of the supporting side plates, a straightening shaft hole is arranged at the shaft center of the supporting side plates, and the three groups of straight chutes are symmetrically arranged about the shaft center of the straightening shaft hole, the seamless steel pipe is wound among three groups of straightening rollers through the straightening shaft hole, the seamless steel pipe can be straightened by utilizing the mutual rotation among the three groups of straightening rollers, and the outer walls of the straightening rollers are provided with spiral feeding lines, so that the seamless steel pipe can be driven to automatically feed forwards like a ball screw rod in the rotating and straightening process, the injury phenomenon caused by the shaking of the seamless steel pipe due to manual holding is reduced, and the distance among the three groups of straightening rollers, the processing of the seamless steel pipes with different apertures is convenient.

Description

Straightening mechanism for seamless steel pipe

Technical Field

The utility model relates to a seamless steel pipe processing technology field specifically is a straightening mechanism for seamless steel pipe.

Background

A steel pipe made of a single piece of metal without a seam on the surface is called a seamless steel pipe. According to the production method, the seamless pipe is divided into a hot rolled pipe, a cold drawn pipe, an extruded pipe, a pipe jacking, and the like. The seamless steel pipe is divided into a round shape and a special shape according to the shape of a section, and the special-shaped pipe has various complex shapes such as a square shape, an oval shape, a triangular shape, a hexagonal shape, a melon seed shape, a star shape and a pipe with fins. The maximum diameter is up to 650mm, and the minimum diameter is 0.3 mm. Depending on the application, there are thick-walled pipes and thin-walled pipes. The seamless steel pipe is mainly used as a petroleum geology drill pipe, a cracking pipe, a boiler pipe and a bearing pipe for petrochemical industry, and a high-precision structural steel pipe for automobiles, tractors and aviation.

Seamless steel pipe need carry out straightening work at the in-process of processing, and the straightening equipment majority that has to be used for seamless steel pipe now needs the manual work to advance or advance through feeding equipment, and the former needs very high cost of labor to and at propulsive in-process, easily because rocking of steel pipe causes workman's injured phenomenon, the latter needs to mutually support with feeding equipment, and use cost is higher, on this basis, the utility model discloses a straightening mechanism for seamless steel pipe to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a straightening mechanism for seamless steel pipe to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a straightening mechanism for a seamless steel pipe comprises two groups of supporting side plates, wherein the two groups of supporting side plates are arranged in parallel in the front and back direction, three groups of linear sliding grooves are uniformly formed in the outer walls of the supporting side plates, straightening shaft holes are formed in the shaft centers of the supporting side plates, the three groups of linear sliding grooves are symmetrically arranged around the shaft center of the straightening shaft hole, positioning sliding blocks are clamped in the inner cavities of the straightening shaft holes, straightening rollers are arranged between the front and back groups of positioning sliding blocks through shaft rods, limiting supports are welded on the side walls of the positioning sliding blocks on the front side and are arranged in front of the front end of a straightening roller shaft rod, a driving motor is arranged at the rear end of the straightening roller shaft rod, positioning screw holes are welded on the side walls of the top points of the supporting side plates, adjusting screws are vertically arranged in the inner cavities of the positioning screw holes, an adjusting knob is bonded to the top end of the adjusting screw rod, a U-shaped clamping plate is welded to the bottom of the supporting side plate, and fixing insertion holes are formed in the side wall of the U-shaped clamping plate in a bilateral symmetry mode.

Preferably, the side wall of the positioning sliding block is provided with a limiting clamping groove matched with the side edge of the linear sliding groove, and the limiting clamping groove is in clearance fit with the side edge of the linear sliding groove.

Preferably, the straightening rollers are stainless steel hollow steel tubes, spiral feeding lines are arranged on the outer walls of the straightening rollers, and the spiral feeding lines on the outer walls of the three groups of straightening rollers have the same rotating direction.

Preferably, the limiting support is an L-shaped limiting support, a U-shaped clamping groove is formed in the bottom of the limiting support, a rubber pulley is installed in an inner cavity of the U-shaped clamping groove through a pin, and the outer wall tangent line of the rubber pulley and the outer wall tangent line of the straightening roller are on the same straight line.

Preferably, the middle part of the side wall of the top end of the supporting side plate is provided with a positioning insertion hole matched with the adjusting screw rod, and the positioning insertion hole and the axis of the axis and the axis of the positioning screw hole coincide.

Preferably, the adjusting screw rod is in threaded connection with the positioning screw hole, and the bottom end of the adjusting screw rod is connected with the top of the positioning sliding block through a bearing.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a go on around three group between the straightening rollers with seamless steel pipe through the straightening shaft hole, utilize the rotation each other between three group's straightening rollers to straighten seamless steel pipe, and the outer wall of straightening roller is provided with the spiral feeding line, can be at the in-process of rotating the straightening, like ball screw motion, it is automatic to drive seamless steel pipe feed motion forward, avoid needing artifical propulsion or cooperation feeding equipment to impel, reduce cost of labor and use cost, the workman can keep away from after loading seamless steel pipe simultaneously, reduce the artifical hand and because the injured phenomenon that seamless steel pipe rocked and cause, distance between the three group's straightening rollers can be adjusted simultaneously, the convenience is to the processing of the seamless steel pipe in different apertures.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

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

FIG. 1 is an orthographic perspective view of the present invention;

FIG. 2 is an enlarged view of part A of the present invention;

FIG. 3 is a rear perspective view of the present invention;

fig. 4 is an enlarged view of the part B of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-supporting side plates, 2-linear sliding grooves, 3-straightening shaft holes, 4-positioning sliding blocks, 5-straightening rollers, 6-limiting brackets, 7-driving motors, 8-positioning screw holes, 9-adjusting screws, 10-adjusting knobs, 11-U-shaped clamping plates and 12-fixing insertion holes.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a straightening mechanism for a seamless steel pipe comprises two groups of supporting side plates 1, wherein the two groups of supporting side plates 1 are arranged in parallel in the front and back direction, three groups of linear sliding chutes 2 are uniformly formed in the outer walls of the supporting side plates 1, a straightening shaft hole 3 is formed in the axis of each supporting side plate 1, and the three groups of linear sliding chutes 2 are arranged in a central symmetry mode about the axis of the straightening shaft hole 3, so that three groups of straightening rollers 5 can be arranged in a central symmetry mode;

the inner cavity of the straightening shaft hole 3 is clamped with a positioning slide block 4, the side wall of the positioning slide block 4 is provided with a limiting clamping groove matched with the side edge of the linear chute 2, the limiting clamping groove is in clearance fit with the side edge of the linear chute 2, the stability of the positioning slide block 4 in the sliding adjustment process is improved, straightening rollers 5 are arranged between the front and rear groups of positioning slide blocks 4 through shaft rods, the straightening rollers 5 are stainless steel hollow steel tubes, the outer walls of the straightening rollers 5 are provided with spiral feeding lines, the spiral directions of the spiral feeding lines on the outer walls of the three groups of straightening rollers 5 are the same, the seamless steel tubes can be driven to automatically feed forwards like the movement of a ball screw in the rotating and straightening process, and the situation that manual propulsion or the propulsion by matching with a feeding device is;

the side wall of the front side positioning sliding block 4 is welded with a limiting support 6, the limiting support 6 is arranged at the front part of the front end of a shaft lever of the straightening roller 5, the limiting support 6 is an L-shaped limiting support, the bottom of the limiting support 6 is provided with a U-shaped clamping groove, a rubber pulley is arranged in an inner cavity of the U-shaped clamping groove through a pin, the tangent line of the outer wall of the rubber pulley and the tangent line of the outer wall of the straightening roller 5 are on the same straight line, the rubber pulley on the limiting support 6 can be used for limiting the outer wall of a fed seamless steel pipe, and the deflection phenomenon in the process is avoided;

the rear end of a shaft lever of the straightening roller 5 is provided with a driving motor 7, positioning screw holes 8 are welded on the side wall of the top point of the supporting side plate 1, an adjusting screw 9 is vertically arranged in the inner cavity of the positioning screw holes 8, the bottom end of the adjusting screw 9 penetrates through the inner cavity of the linear chute 2 and is movably connected with the top of the positioning slide block 4, positioning insertion holes matched with the adjusting screw 9 are formed in the middle of the side wall of the top end of the supporting side plate 1, the positioning insertion holes and the axis are superposed with the axis of the positioning screw holes 8, the adjusting screw 9 is connected with the positioning screw holes 8 through threads, the bottom end of the adjusting screw 9 is connected with the top of the positioning slide block 4 through a bearing, an adjusting knob 10 is bonded on the top end of the adjusting screw 9, the adjusting screw 9 is driven to rotate by manually rotating the adjusting knob 10, and the extension length of the adjusting screw 9, the position of the positioning slide block 4 in the linear chute 2 is further adjusted, so that the distance between the three groups of straightening rollers 5 can be adjusted, and the seamless steel pipes with different apertures can be conveniently processed;

the bottom welding of support curb plate 1 has U type cardboard 11, and fixed jack 12 has been seted up to the lateral wall bilateral symmetry of U type cardboard 11, conveniently fixes this product on seamless steel pipe's production line.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a seamless steel pipe is with straightening mechanism, includes two sets of support curb plates (1), and two sets of support curb plates (1) front and back parallel arrangement, its characterized in that: the outer wall of the supporting side plate (1) is uniformly provided with three groups of linear sliding grooves (2), the axle center of the supporting side plate (1) is provided with a straightening axle hole (3), the three groups of linear sliding grooves (2) are symmetrically arranged relative to the axle center of the straightening axle hole (3), an inner cavity of the straightening axle hole (3) is connected with a positioning sliding block (4), a straightening roller (5) is arranged between the front and the rear groups of positioning sliding blocks (4) through an axle rod, the front side is welded on the side wall of the positioning sliding block (4) to form a limiting support (6), the limiting support (6) is arranged at the front part of the front end of the axle rod of the straightening roller (5), a driving motor (7) is arranged at the rear end of the axle rod of the straightening roller (5), positioning screw holes (8) are welded on the side wall of the top point of the supporting side plate (1), an adjusting screw rod (9) is vertically arranged in the inner cavity of the positioning screw rod (8), and the adjustable clamping device comprises a movable connection part, an adjusting knob (10) is bonded to the top end of the adjusting screw rod (9), a U-shaped clamping plate (11) is welded to the bottom of the supporting side plate (1), and fixing insertion holes (12) are formed in the side wall of the U-shaped clamping plate (11) in a bilateral symmetry mode.

2. The straightening mechanism for the seamless steel pipe according to claim 1, characterized in that: the side wall of the positioning sliding block (4) is provided with a limiting clamping groove matched with the side edge of the linear sliding groove (2), and the limiting clamping groove is in clearance fit with the side edge of the linear sliding groove (2).

3. The straightening mechanism for the seamless steel pipe according to claim 1, characterized in that: the straightening rollers (5) are stainless steel hollow steel pipes, spiral feeding lines are arranged on the outer walls of the straightening rollers (5), and the spiral feeding lines on the outer walls of the three groups of straightening rollers (5) are identical in rotating direction.

4. The straightening mechanism for the seamless steel pipe according to claim 1, characterized in that: spacing support (6) are the spacing support of L type, and the bottom of spacing support (6) is provided with U type draw-in groove, the rubber pulley is installed through the pin to the inner chamber of U type draw-in groove, and the outer wall tangent line of rubber pulley and the outer wall tangent line of straightener roll (5) are on same straight line.

5. The straightening mechanism for the seamless steel pipe according to claim 1, characterized in that: the middle part of the side wall of the top end of the supporting side plate (1) is provided with a positioning insertion hole matched with the adjusting screw rod (9), and the positioning insertion hole coincides with the axis of the axis and the positioning screw hole (8).

6. The straightening mechanism for the seamless steel pipe according to claim 1, characterized in that: the adjusting screw rod (9) is connected with the positioning screw hole (8) through threads, and the bottom end of the adjusting screw rod (9) is connected with the top of the positioning sliding block (4) through a bearing.