CN220239681U - Straightening device for hot-rolled seamless steel tube - Google Patents

Abstract

The utility model discloses a straightening device for hot-rolled seamless steel pipes, which belongs to the field of steel pipe straightening and comprises a bottom plate, wherein baffle plates are fixedly arranged on the left side and the right side of the upper end of the bottom plate respectively, a clamping block is fixedly arranged on the baffle plates, a rotating shaft is fixedly arranged on the clamping block, a plurality of lower straightening wheels and upper straightening wheels are rotatably sleeved on the rotating shaft, straightening grooves are respectively arranged on the lower straightening wheels and the upper straightening wheels, steel pipes are slidingly inserted in the straightening grooves, a telescopic rod is fixedly arranged at the upper end of the front side of the bottom plate, a supporting rod is fixedly arranged on the rear side of the telescopic rod, the contact area between the lower straightening wheels and the upper straightening wheels and the steel pipes is enlarged through the arrangement of the lower straightening wheels and the upper straightening wheels, so that the steel pipe straightening effect is enlarged, meanwhile, the left clamp and the right clamp are driven by the telescopic rod to automatically move backwards, the conveying effect on the steel pipes is enlarged, and the steel pipes are automatically limited and fixed through the left clamp and the right clamp and the arrangement of the elastic rod.

Description

Straightening device for hot-rolled seamless steel tube

Technical Field

The utility model relates to the field of steel tube straightening, in particular to a straightening device for hot-rolled seamless steel tubes.

Background

The correction of shape defects in metal plastic working products is one of the important finishing processes. The rolled stock often develops various shape defects during rolling or during subsequent cooling and transport, such as bending of bars, profiles and tubes, bending of sheet and strip, waving, buckling, etc. The defects of bending and the like can be eliminated under the action of external force through various straightening procedures, so that the product reaches a qualified state.

At present, most of steel pipes are straightened by arranging a plurality of rollers, and then limiting the left and right sides of the steel pipes through the rollers, so that straightening effect is achieved, but because the contact area between the rollers and the steel pipes is small, straightening effect is reduced, a lot of inconvenience is brought to straightening work, meanwhile, most of steel pipes are driven to rotate through a motor during moving and conveying, the steel pipes are driven to move forwards through rotating force of the rollers, conveying force is poor, and conveying and moving effects of the steel pipes are poor.

For example, CN202762726U discloses a device for producing a hot rolled seamless steel tube, which comprises a tube blank band saw processing section, wherein the tail end of the tube blank band saw processing section is connected with an annular heating furnace, the outlet of the annular heating furnace is connected with a two-roll skew rolling tube mill through a conical roller piercing mill, the two-roll skew rolling tube mill is connected with a cooling bed through a three-roll sizing mill, and the other end of the cooling bed is provided with a six-roll straightening machine and a tube cutting machine. Sawing the steel tube blank by a tube blank band sawing machine, heating by an annular heating furnace, penetrating a blank tube by a conical roller perforating machine, rolling the blank tube by a two-roller oblique rolling tube mill, sizing by a three-roller sizing mill, straightening by a cooling bed cooling six-roller straightening machine, and cutting the head and the tail of the tube cutting machine to obtain the product. The product prepared by the utility model has the advantages of excellent quality, high geometric dimension precision, good mechanical property and strong variety adaptability.

According to the technical scheme, the steel pipe straightening device is not provided with the roller which can be in contact with the steel pipe in a large area, so that the contact area between the roller and the steel pipe is enlarged, the steel pipe straightening effect is improved, and the steel pipe conveying pushing device is not arranged.

Disclosure of Invention

The utility model aims to provide a straightening device for hot-rolled seamless steel pipes, which aims to solve the problems of steel pipe straightening effect and conveying effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a straightener of hot rolling seamless steel pipe, includes the bottom plate, the upper end left and right sides of bottom plate is fixed respectively and is provided with the baffle, the fixed fixture block that is provided with of baffle, the fixed pivot that is provided with of fixture block, the pivot rotates and has cup jointed a plurality of lower straightening wheels and upper straightening wheels, lower straightening wheels and upper straightening wheels are provided with the straightening groove respectively, the inside slip grafting of straightening groove has the steel pipe, the fixed telescopic link that is provided with in front side upper end of bottom plate, the fixed branch that is provided with in rear side of telescopic link, the fixed left clamp that is provided with in right side of branch, the fixed base that is provided with respectively from top to bottom of left clamp, the fixed elastic lever that is provided with of base, the fixed left ear board that is provided with from top to bottom of left clamp, the fixed right ear board that is provided with in right side of elastic lever, the fixed right ear board is provided with the right side, through the setting of lower straightening wheels and upper straightening wheels, the contact area of lower straightening wheels and upper straightening wheels respectively with the steel pipe is enlarged to straighten the steel pipe, thereby drive the automatic left and move to the steel pipe through the telescopic link and drive the automatic back clamp and carry the convenient clamp to carry the clamp to the convenient clamp after moreover.

Preferably, the lower straightening wheel and the upper straightening wheel have the same model size, and the upper straightening wheel is arranged at the upper end of the lower straightening wheel.

Preferably, the rotating shaft is fixedly provided with a plurality of baffle rings, the baffle rings are respectively in rotary contact with the lower straightening wheels and the upper straightening wheels, and the lower straightening wheels and the upper straightening wheels are respectively limited through the arrangement of the baffle rings, so that the lower straightening wheels and the upper straightening wheels are prevented from sliding left and right.

Preferably, the elastic rod slides and passes left otic placode, the model size of left clamp and right clamp is the same, passes left otic placode through the elastic rod slip, and fixed connection right otic placode makes things convenient for spacing fixed left clamp and right clamp to it is convenient to fix the steel pipe with the right clamp spacing through left clamp.

Preferably, the left clamp and the right clamp are respectively connected with the steel pipe in a sliding clamping mode, and the right clamp is arranged on the right side of the left clamp.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, through the arrangement of the lower straightening wheel and the upper straightening wheel, the contact area between the lower straightening wheel and the upper straightening wheel and the steel pipe is enlarged, so that the straightening effect on the steel pipe is enlarged.

(2) According to the utility model, the left clamp and the right clamp are driven by the telescopic rod to automatically move backwards, so that the steel pipe is conveniently driven to move backwards, the conveying effect on the steel pipe is increased, and the steel pipe is conveniently and automatically limited and fixed by the left clamp and the right clamp through the arrangement of the elastic rod, so that the clamping conveying work is convenient.

Drawings

FIG. 1 is a schematic view of a partial structure of the present utility model;

FIG. 2 is a top view of a partial structure of the present utility model;

FIG. 3 is a partial structural top view of the present utility model;

fig. 4 is an enlarged schematic view of the connection between the left and right clamps of the present utility model.

The reference numerals in the figures illustrate:

1 a bottom plate, 2 baffle plates, 3 clamping blocks, 4 rotating shafts, 5 lower straightening wheels, 6 upper straightening wheels, 7 baffle rings, 8 straightening grooves, 9 steel pipes, 10 telescopic rods, 11 supporting rods, 12 left clamp clamps, 13 base plates, 14 elastic rods, 15 left lug plates, 16 right lug plates and 17 right clamp clamps.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Example 1

Referring to fig. 1-4, a straightener for hot rolled seamless steel pipes in the drawings includes a bottom plate 1, a baffle plate 2 is fixedly arranged at left and right sides of an upper end of the bottom plate 1, a clamping block 3 is fixedly arranged at the baffle plate 2, a rotating shaft 4 is fixedly arranged at the clamping block 3, a plurality of lower straightening wheels 5 and upper straightening wheels 6 are rotatably sleeved on the rotating shaft 4, straightening grooves 8 are respectively arranged at the lower straightening wheels 5 and the upper straightening wheels 6, steel pipes 9 are slidably inserted in the straightening grooves 8, a telescopic rod 10 is fixedly arranged at an upper end of a front side of the bottom plate 1, a supporting rod 11 is fixedly arranged at a rear side of the telescopic rod 10, a left clamp 12 is fixedly arranged at a right side of the supporting rod 11, bases 13 are fixedly arranged at an upper end and a lower end of the left clamp 12, an elastic rod 14 is fixedly arranged at the bases 13, elastic rods 14 are respectively arranged at the elastic rods 10 and 14, plugs of the elastic rods 10 and the elastic rods 14 are connected with an external power supply, a left ear plate 15 is fixedly arranged at an upper end and a lower end of the left ear plate 15, and a right ear plate 16 is fixedly arranged at a right ear plate 16, and a right ear clamp 17 is fixedly arranged at the right ear plate 16.

For convenient straightening, the lower straightening wheel 5 and the upper straightening wheel 6 are the same in model size, the upper straightening wheel 6 is arranged at the upper end of the lower straightening wheel 5, the rotating shaft 4 is fixedly provided with a plurality of baffle rings 7, and the baffle rings 7 are respectively in rotary contact with the lower straightening wheel 5 and the upper straightening wheel 6.

In the embodiment, through the arrangement of the lower straightening wheel 5 and the upper straightening wheel 6, the contact area between the lower straightening wheel 5 and the upper straightening wheel 6 and the steel pipe 9 is enlarged, so that the straightening effect on the steel pipe 9 is enlarged.

Example 2

Referring to fig. 1-4, this embodiment further describes an apparatus for straightening a hot rolled seamless steel tube in the embodiment 1, which includes a bottom plate 1, two sides of the upper end of the bottom plate 1 are respectively and fixedly provided with a baffle plate 2, the baffle plate 2 is fixedly provided with a clamping block 3, the clamping block 3 is fixedly provided with a rotating shaft 4, the rotating shaft 4 is rotatably sleeved with a plurality of lower straightening wheels 5 and upper straightening wheels 6, the lower straightening wheels 5 and the upper straightening wheels 6 are respectively provided with a straightening groove 8, the inside of the straightening groove 8 is slidably inserted with a steel tube 9, the upper end of the front side of the bottom plate 1 is fixedly provided with a telescopic rod 10, the rear side of the telescopic rod 10 is fixedly provided with a supporting rod 11, the right side of the supporting rod 11 is fixedly provided with a left clamp 12, the upper and lower sides of the left clamp 12 are respectively and fixedly provided with a base 13, the base 13 is fixedly provided with an elastic rod 14, the upper and lower sides of the left clamp 12 are respectively and fixedly provided with a left ear plate 15, the right side of the elastic rod 14 is fixedly provided with a right ear plate 16, and the right ear plate 16 is fixedly provided with a right clamp 17.

In order to facilitate steel pipe conveying, the elastic rod 14 slides through the left ear plate 15, the left clamp 12 and the right clamp 17 have the same model size, the left clamp 12 and the right clamp 17 are respectively and slidably clamped to the steel pipe 9, and the right clamp 17 is arranged on the right side of the left clamp 12

In this embodiment, drive left clamp 12 and right clamp 17 through telescopic link 10 and move backward voluntarily to conveniently drive steel pipe 9 and move backward, increase the conveying effect to steel pipe 9, moreover through the setting of elastic rod 14, conveniently fix steel pipe 9 through left clamp 12 and right clamp 17 automatic spacing, make things convenient for the joint to carry work.

One end of the steel pipe 9 is slidably clamped in the left clamp 12 and the right clamp 17, then the elastic rod 14 is started, the elastic rod 14 drives the right ear plate 16 to move leftwards, so that the right clamp 17 is moved leftwards, then the steel pipe 9 can be limited and fixed, then the telescopic rod 10 is started, the telescopic rod 10 drives the steel pipe 9 to move backwards, and then the telescopic rod slides through the inside of the straightening groove 8 at the joint of each lower straightening wheel 5 and the upper straightening wheel 6, so that the straightening work is completed.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (5)

1. The straightening device for the hot rolled seamless steel tube comprises a bottom plate (1) and is characterized in that: the utility model discloses a floor, including bottom plate (1), baffle (2) are fixed respectively in the upper end left and right sides of bottom plate (1), baffle (2) are fixed to be provided with fixture block (3), fixture block (3) are fixed to be provided with pivot (4), pivot (4) rotate and cup joint a plurality of lower straightening wheels (5) and last straightening wheel (6), lower straightening wheels (5) are provided with straightening groove (8) respectively with last straightening wheel (6), the inside slip grafting of straightening groove (8) has steel pipe (9), the fixed telescopic link (10) that are provided with in front side upper end of bottom plate (1), the fixed branch (11) that are provided with in rear side of telescopic link (10), the fixed left clamp (12) that are provided with in right side of branch (11), the fixed base (13) that are provided with respectively from top to bottom of left clamp (12), the fixed left otic placode (15) that are provided with respectively in upper and lower of left clamp (12), the right side of elastic link (14) is fixed to be provided with right side otic placode (16), otic placode (17) are fixed to be provided with.

2. The straightening device for a hot rolled seamless steel tube according to claim 1, characterized in that: the lower straightening wheels (5) and the upper straightening wheels (6) are the same in model size, and the upper straightening wheels (6) are arranged at the upper ends of the lower straightening wheels (5).

3. The straightening device for a hot rolled seamless steel tube according to claim 1, characterized in that: the rotating shaft (4) is fixedly provided with a plurality of baffle rings (7), and the baffle rings (7) are respectively in rotary contact with the lower straightening wheels (5) and the upper straightening wheels (6).

4. The straightening device for a hot rolled seamless steel tube according to claim 1, characterized in that: the elastic rod (14) slides through the left ear plate (15), and the model size of the left clamp (12) is the same as that of the right clamp (17).

5. The straightening device for a hot rolled seamless steel tube according to claim 1, characterized in that: the left clamp (12) and the right clamp (17) are respectively connected to the steel pipe (9) in a sliding clamping mode, and the right clamp (17) is arranged on the right side of the left clamp (12).