CN220479719U - Multi-roller rolling device for seamless tube - Google Patents

Abstract

The utility model discloses a multi-roller rolling device for a seamless pipe, which aims to solve the problem that the quality of the output of the seamless pipe is affected because the seamless pipe is subjected to stronger external force to cause deflection or bending when being contacted with a plurality of rollers. The key points of the technical scheme are as follows: the utility model provides a seamless tube multi-roller rolling device, includes the work frame and sets up the multi-roller rolling equipment in the work frame, is provided with first supporting component and the second supporting component that is used for supporting the seamless tube in the work frame, and first supporting component and second supporting component symmetry set up and set up at the both ends of work frame, and first supporting component is including setting up support piece in the work frame and the first backup pad of setting on support piece. The multi-roller rolling device for the seamless pipe can ensure the supporting force of the seamless pipe on the seamless pipe in the processing process, thereby ensuring the stability of the seamless pipe in the processing process and ensuring the output quality of the seamless pipe.

Description

Multi-roller rolling device for seamless tube

Technical Field

The utility model relates to the technical field of seamless tube processing, in particular to a multi-roller rolling device for a seamless tube.

Background

The seamless aluminum alloy pipe is a long steel material with a hollow section and no seam at the periphery, the raw material of the rolled seamless pipe is a round pipe blank, the round pipe blank is cut into blanks with the length of about 1 meter by a cutting machine, and the blanks are conveyed into a smelting furnace by a conveying belt to be heated. The billet is fed into a furnace and heated to a temperature of approximately 1200 degrees celsius. Temperature control in the furnace is a critical problem, and round pipe blanks are perforated by a pressure perforating machine after being discharged from the furnace. The common perforating machine is a conical roller perforating machine, and the perforating machine has high production efficiency, good product quality and large perforating expansion and can be used for perforating various steel types. After perforation, the round tube blank is successively subjected to three-roll skew rolling, tandem rolling or extrusion, so that three-roll rolling equipment is required.

While existing three-roll rolling equipment also creates some new demands during use, one of them: the existing three-roll rolling equipment mostly needs a plurality of power equipment to respectively provide kinetic energy for the rolls, so that the equipment has higher use and manufacturing cost; and two,: the existing three-roll rolling equipment can only process pipe blanks with certain size, but cannot change the size of the roller device according to the requirement.

Aiming at the problems, the three-roller rolling equipment of the 6061 large-caliber aluminum alloy seamless pipe disclosed in the Chinese patent with the publication number of CN216679550U comprises a processing table and a movable seat, wherein the movable groove is formed in one side of the top of the processing table, screw rods are rotatably connected to two sides of the inner cavity of the movable groove, sleeves are connected to the surfaces of the screw rods in a threaded manner, the two sleeves are respectively sleeved at two ends of the bottom of the movable seat, clamping blocks are fixedly connected to the top of the movable seat and are clamped with a roller frame through the clamping grooves, three roller grooves are formed in the inner wall of the roller frame at equal intervals, the inner cavity of each roller groove is rotatably connected with a rotary roller, a guide groove is formed in the middle of the surface of each rotary roller, and a driving motor is fixedly arranged on one side of the processing table.

The rolling frame of the three-roll rolling equipment can be replaced according to the pipe diameter of the pipe blank, so that the equipment can adapt to the operation of various pipe diameters, and the movement of a plurality of rolls can be realized by only one power equipment, so that the use and manufacturing cost of the equipment are saved.

However, when the three-roller rolling equipment is used for processing the seamless pipe, the seamless pipe is subjected to stronger external force to cause deflection or bending due to contact with a plurality of rollers, so that the linear motion is not maintained in the processing process of the seamless pipe, and the quality of the output of the seamless pipe is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a multi-roller rolling device for a seamless pipe, which can ensure the supporting force of the seamless pipe in the processing process, thereby ensuring the stability of the seamless pipe in the processing process and ensuring the output quality of the seamless pipe.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a seamless tube multi-roller rolling device, includes the work frame and sets up the multi-roller rolling equipment in the work frame, be provided with first supporting component and the second supporting component that is used for supporting the seamless tube in the work frame, first supporting component and second supporting component symmetry set up and set up in the both ends of work frame, first supporting component is including setting up the support piece in the work frame and setting up the first backup pad on the support piece, the second supporting component is including setting up the top piece in the work frame and setting up the second backup pad on the top piece, the top piece is including setting up the electric putter in the work frame, all set up the spacing groove that is used for supporting the seamless tube in first backup pad and the second backup pad, be provided with the cambered surface in the spacing groove; the support piece comprises two second limiting plates symmetrically arranged on the working frame, first limiting plates symmetrically arranged at two ends of the first supporting plate, a first rotating rod and a second rotating rod which are respectively arranged on the second limiting plates and the first limiting plates, a first eccentric gear and a second eccentric gear which are respectively arranged on the first rotating rod and the second rotating rod, and a motor for driving the first rotating rod to rotate.

By adopting the technical scheme, when the seamless pipe is processed by the multi-roller rolling equipment, the first supporting component is required to be started to enable the first supporting plate to approach the seamless pipe through the action of the supporting piece, the bottom paste of the seamless pipe is clamped into the limiting groove formed in the first supporting plate, the pushing piece is started after the supporting effect of the first supporting component is achieved, the electric push rod can gradually drive the second supporting plate to approach the seamless pipe, the seamless pipe can be clamped into the limiting groove formed in the second supporting plate, the periphery of the seamless pipe is limited to limit the seamless pipe, the cambered surface arranged in the limiting groove can be tightly contacted with the outer wall of the seamless pipe, so that larger deflection and bending conditions cannot be generated when the seamless pipe is processed by the multi-roller rolling equipment, the stability of the seamless pipe in the processing process is ensured, and the output quality of the seamless pipe can be ensured;

before the second support component is started, the first support component is started to support the seamless pipe, then the seamless pipe is fixed and pressed through the second support component, then a motor is started, the motor drives the first rotating rod and the first eccentric gear on the first rotating rod to rotate, the first eccentric gear is meshed with the second eccentric gear, the second eccentric gear and the second rotating rod can be driven to rotate along with the rotation of the first eccentric gear, when the protruding parts of the first eccentric gear and the second eccentric gear rotate to the end close to each other, the first limiting plate slides along the inner wall of the sliding groove formed by the second limiting plate and approaches the seamless pipe, the first supporting plate on the first limiting plate also approaches the seamless pipe, so that the seamless pipe can be clamped in the limiting groove of the first supporting plate, and then the motor is closed again to stop the rotation of the first eccentric gear, and finally, the second supporting plate is driven by the action of the second supporting component to approach the seamless pipe to fix the seamless pipe, and after the seamless pipe is processed, the motor is driven by the reversing switch to reversely rotate, so that the protruding parts of the first eccentric gear and the second eccentric gear are gradually far away, the width between the first rotating rod and the second rotating rod is gradually reduced, the initial position of the first limiting plate and the first supporting plate is realized, the seamless pipe is conveniently taken down from the multi-roller rolling equipment, the first supporting component and the second supporting component are conveniently and reciprocally operated, the operation of workers is facilitated, and the processing quality of the seamless pipe is ensured to prevent the seamless pipe from larger deviation and fracture in the processing process.

The utility model is further provided with: the two ends of the first eccentric gear are provided with first eccentric wheels, the two ends of the second eccentric gear are provided with second eccentric wheels, and the first eccentric wheels are mutually abutted with the second eccentric wheels.

Through adopting above-mentioned technical scheme, when first eccentric gear and second eccentric gear rotate and push away each other, first eccentric gear and second eccentric gear also rotate and push away each other for first eccentric gear and second eccentric gear rotate the in-process more stably under the effect of first eccentric gear and second eccentric gear, and first eccentric gear and second eccentric gear can support first eccentric gear and second eccentric gear better, then first limiting plate drives the second backup pad more stably when being close to the seamless pipe.

The utility model is further provided with: the two first eccentric wheels and the second eccentric wheels are symmetrically arranged.

Through adopting above-mentioned technical scheme for first eccentric wheel and second eccentric wheel all symmetry set up two sets of and can further guarantee that first limiting plate is more stable when the second limiting plate slides, and first limiting plate drives also can be more stable when the second backup pad is close to the seamless pipe, can not produce the skew simultaneously and produce great impact force, thereby guarantee the stability between second backup pad and the seamless pipe, prevent that the seamless pipe from not obtaining the support and shifting in the course of working.

The utility model is further provided with: the first eccentric wheel is provided with a convex ring, and the second eccentric wheel is provided with an annular groove for the convex ring to move.

Through adopting above-mentioned technical scheme, when first eccentric wheel and second eccentric wheel contact each other, the bulge loop on the first eccentric wheel can restrict in the ring channel that the second eccentric wheel was seted up all the time for first eccentric wheel and second eccentric wheel pivoted in-process can not produce the skew, keeps first eccentric wheel and second eccentric wheel pivoted stability, can guarantee simultaneously that first limiting plate is close to the stability of seamless pipe, not only can guarantee second backup pad and seamless pipe stable contact, can also guarantee the dynamics that the second backup pad supported the seamless pipe.

The utility model is further provided with: the two ends of the first limiting plate are respectively provided with a limiting block, and the side wall of the sliding groove is provided with a movable groove for the limiting block to move.

Through adopting above-mentioned technical scheme, the stopper also moves in the movable groove along with it when first limiting plate removes, then can the moving track of first limiting plate further restrict to guarantee the stability that first limiting plate removed, and also can be close to under stable state when first limiting plate is close to the seamless pipe, prevent that first limiting plate from being close to the seamless pipe under great impact force and resulting in the seamless pipe to produce quality and the effect that the skew influences seamless pipe output.

The utility model is further provided with: and the limiting block is provided with an arc surface.

Through adopting above-mentioned technical scheme, the setting of arc surface makes the stopper reduce with movable groove inner wall area of contact when the movable inslot slides, prevents that stopper and movable groove inner wall from taking place to rub to make first limiting plate and stopper more smooth and easy when sliding.

The utility model is further provided with: the cambered surface is provided with a plurality of concave sections distributed in an array, and a plurality of concave sections form an anti-skid structure.

Through adopting above-mentioned technical scheme, a plurality of sunken sections form anti-skidding structure for the frictional force of cambered surface increases, then makes the seamless pipe and the frictional force increase between first backup pad and the second backup pad and increase the dynamics of supporting the seamless pipe when cambered surface contact, prevents that the seamless pipe from appearing unstable condition and influencing the quality and the effect of seamless pipe processing in the spacing inslot.

In summary, the utility model has the following beneficial effects: the supporting force of the seamless pipe on the seamless pipe in the processing process can be guaranteed under the action of the first supporting component and the second supporting component, so that the seamless pipe cannot generate larger deflection or bending, the stability of the seamless pipe in the processing process is guaranteed, and the output quality of the seamless pipe is guaranteed.

Drawings

FIG. 1 is a schematic view of a work frame of the present utility model, primarily for illustrating the structure and positional relationship of a first support assembly, a second support assembly, and a seamless tube on the work frame;

FIG. 2 is a schematic view of the structure of the support member of the present utility model;

fig. 3 is a schematic structural view of a first support plate and a second support plate according to the present utility model.

In the figure: 1. a work rack; 2. a second limiting plate; 3. a first limiting plate; 4. a first support plate; 5. a second support plate; 6. an electric push rod; 7. a motor; 8. a first rotating lever; 9. a second rotating lever; 10. a first eccentric gear; 11. a second eccentric gear; 12. a first eccentric; 13. a second eccentric; 14. a movable groove; 15. a sliding groove; 16. a convex ring; 17. an annular groove; 18. a recessed section.

Detailed Description

In order to better understand the technical solutions of the present utility model, the following description will be made in detail with reference to the accompanying drawings and specific embodiments, and it should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "sleeved," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The present utility model will be described in detail below with reference to the accompanying drawings.

The utility model provides a seamless tube multi-roller rolling device, refer to fig. 1-3, including work frame 1 and the multi-roller rolling equipment of setting on work frame 1, be provided with first supporting component and the second supporting component that is used for supporting the seamless tube on the work frame 1, first supporting component and second supporting component symmetry set up and set up the both ends at work frame 1, first supporting component is including setting up the support piece on work frame 1 and setting up the first backup pad 4 on the support piece, the second supporting component is including setting up the top pushing piece on work frame 1 and setting up the second backup pad 5 on the top pushing piece, the top pushing piece is including setting up the electric putter 6 on work frame 1, all set up the spacing groove that is used for supporting the seamless tube on first backup pad 4 and the second backup pad 5, be provided with the cambered surface in the spacing groove.

When the first limiting plate 3 moves, the limiting block also moves in the movable groove 14, the movement track of the first limiting plate 3 is further limited, so that the movement stability of the first limiting plate 3 is guaranteed, the first limiting plate 3 is close to the seamless pipe and is also close to the seamless pipe in a stable state, the first limiting plate 3 is prevented from being close to the seamless pipe under a large impact force, so that the seamless pipe is prevented from generating offset to influence the quality and effect of the seamless pipe, the contact area between the limiting block and the inner wall of the movable groove 14 is reduced when the limiting block slides in the movable groove 14, friction between the limiting block and the inner wall of the movable groove 14 is prevented, and the first limiting plate 3 and the limiting block are smooth when sliding.

Offer the concave section 18 that a plurality of arrays distribute on the cambered surface, a plurality of concave section 18 form anti-skidding structure for the frictional force of cambered surface increases, then makes the seamless pipe with the frictional force increase between first backup pad 4 and the second backup pad 5 when the cambered surface contacts and increase the dynamics of supporting the seamless pipe, prevents that the seamless pipe from appearing unstable condition and influencing the quality and the effect of seamless pipe processing in the spacing inslot.

The support piece comprises two second limiting plates 2 symmetrically arranged on the working frame 1, a first limiting plate 3 symmetrically arranged at two ends of the first supporting plate 4, a first rotating rod 8 and a second rotating rod 9 respectively arranged on the second limiting plate 2 and the first limiting plate 3, a first eccentric gear 10 and a second eccentric gear 11 respectively arranged on the first rotating rod 8 and the second rotating rod 9, and a motor 7 for driving the first rotating rod 8 to rotate, a sliding groove 15 for the first limiting plate 3 to slide is formed in the second limiting plate 2, the first limiting plate 3 slides along the inner wall of the sliding groove 15, the first rotating rod 8 and the second rotating rod 9 are respectively arranged at one ends of the first eccentric gear 10 and the second eccentric gear 11 far away from the circle center, limiting blocks are respectively arranged at two ends of the first limiting plate 3, movable grooves 14 for the limiting blocks to move are formed in the side walls of the sliding groove 15, and arc surfaces are arranged on the limiting blocks;

the two ends of the first eccentric gear 10 are provided with first eccentric wheels 12, the two ends of the second eccentric gear 11 are provided with second eccentric wheels 13, the first eccentric wheels 12 are mutually abutted against the second eccentric wheels 13, the two first eccentric wheels 12 and the second eccentric wheels 13 are symmetrically arranged, the first eccentric wheels 12 are provided with convex rings 16, and the second eccentric wheels 13 are provided with annular grooves 17 for the convex rings 16 to move.

Working principle: when the seamless pipe is processed through the multi-roller rolling equipment, the first supporting component is required to be started to enable the first supporting plate 4 to approach the seamless pipe through the action of the supporting piece, then the bottom paste of the seamless pipe is clamped into the limiting groove formed in the first supporting plate 4, the pushing piece is started after the supporting effect is achieved by the first supporting component, the electric push rod 6 can gradually drive the second supporting plate 5 to approach the seamless pipe, the seamless pipe can be clamped into the limiting groove formed in the second supporting plate 5, the periphery of the seamless pipe is limited to limit the seamless pipe, the cambered surface arranged in the limiting groove can be tightly contacted with the outer wall of the seamless pipe, and accordingly larger deflection and bending conditions cannot be generated when the seamless pipe is processed through the multi-roller rolling equipment, stability in the processing process of the seamless pipe is guaranteed, and quality of output of the seamless pipe can be guaranteed.

Before the second supporting component is started, the first supporting component is required to be started to support the seamless pipe first, then the second supporting component is required to fix and press the seamless pipe, at this time, the motor 7 is required to be started, the motor 7 drives the first rotating rod 8 and the first eccentric gear 10 on the first rotating rod 8 to rotate, the first eccentric gear 10 is meshed with the second eccentric gear 11, the second eccentric gear 11 and the second rotating rod 9 can be driven to rotate along with the rotation of the first eccentric gear 10, the protruding parts of the first eccentric gear 10 and the second eccentric gear 11 rotate to the end close to each other, the first limiting plate 3 slides along the inner wall of the sliding groove 15 formed by the second limiting plate 2 and is close to the seamless pipe, the first supporting plate 4 on the first limiting plate 3 is also close to the seamless pipe, the seamless pipe can be clamped into the limiting groove of the first supporting plate 4, then the motor 7 is closed again, the second eccentric gear 10 is driven to rotate along with the rotation of the second eccentric gear 11, the second eccentric gear 10 is driven to move close to the seamless pipe along with the second eccentric gear 10 along with the rotating direction of the second supporting plate 10, the first limiting plate 3 is convenient to move gradually, the rolling device is convenient to process the first supporting plate is moved along the inner wall of the sliding groove 15 formed by the second limiting plate 2, and the first supporting plate is convenient to move the first supporting plate 3, and the first supporting plate is far away from the first supporting plate is gradually moved from the first supporting plate 8, and the first supporting plate is convenient to move gradually, and the rolling device is far away from the first supporting plate is far from the first supporting plate 8, and gradually move and is far away from the first supporting plate 8 and gradually, and move along the first supporting plate is far away from the rotating plate is far from the rotating 5 and close down along the rotating front and is convenient to move left and convenient to move reach move left.

When the first eccentric gear 10 and the second eccentric gear 11 rotate and push each other, the first eccentric wheel 12 and the second eccentric wheel 13 also rotate and push each other, so that the first eccentric gear 10 and the second eccentric gear 11 are more stable in the rotating process under the action of the first eccentric wheel 12 and the second eccentric wheel 13, the first eccentric wheel 12 and the second eccentric wheel 13 can better support the first eccentric gear 10 and the second eccentric gear 11, and the first limiting plate 3 drives the second supporting plate 5 to be more stable when approaching to a seamless pipe; simultaneously, the first eccentric wheel 12 and the second eccentric wheel 13 are symmetrically provided with two groups, so that the first limiting plate 3 can be further ensured to be more stable when sliding in the second limiting plate 2, and the first limiting plate 3 drives the second supporting plate 5 to be more stable when approaching to the seamless pipe, and meanwhile, no offset and larger impact force are generated, thereby ensuring the stability between the second supporting plate 5 and the seamless pipe and preventing the seamless pipe from being offset due to unsupported in the processing process.

And when first eccentric wheel 12 and second eccentric wheel 13 contact each other, bulge loop 16 on the first eccentric wheel 12 can restrict in the ring channel 17 that second eccentric wheel 13 offered all the time for first eccentric wheel 12 and second eccentric wheel 13 pivoted in-process can not produce the skew each other, keeps first eccentric wheel 12 and second eccentric wheel 13 pivoted stability, can guarantee simultaneously that first limiting plate 3 is close to the stability of seamless pipe, not only can guarantee that second backup pad 5 and seamless pipe contact steadily, can also guarantee the dynamics that second backup pad 5 supported the seamless pipe.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (7)

1. The utility model provides a seamless tube multi-roller rolling device, includes work frame (1) and sets up the multi-roller rolling equipment on work frame (1), its characterized in that: the seamless pipe supporting device is characterized in that a first supporting component and a second supporting component for supporting the seamless pipe are arranged on the working frame (1), the first supporting component and the second supporting component are symmetrically arranged and are arranged at two ends of the working frame (1), the first supporting component comprises a supporting piece arranged on the working frame (1) and a first supporting plate (4) arranged on the supporting piece, the second supporting component comprises a pushing piece arranged on the working frame (1) and a second supporting plate (5) arranged on the pushing piece, the pushing piece comprises an electric push rod (6) arranged on the working frame (1), limiting grooves for supporting the seamless pipe are formed in the first supporting plate (4) and the second supporting plate (5), and cambered surfaces are arranged in the limiting grooves; the support piece comprises two second limiting plates (2) symmetrically arranged on the working frame (1), first limiting plates (3) symmetrically arranged at two ends of the first supporting plate (4), first rotating rods (8) and second rotating rods (9) respectively arranged on the second limiting plates (2) and the first limiting plates (3), first eccentric gears (10) and second eccentric gears (11) respectively arranged on the first rotating rods (8) and the second rotating rods (9) and a motor (7) for driving the first rotating rods (8) to rotate, sliding grooves (15) for the first limiting plates (3) are formed in the second limiting plates (2), the first limiting plates (3) slide along the inner walls of the sliding grooves (15), and the first rotating rods (8) and the second rotating rods (9) are respectively arranged at one ends, far away from the circle centers, of the first eccentric gears (10) and the second eccentric gears (11).

2. A seamless tube multi-roll rolling apparatus according to claim 1, wherein: the two ends of the first eccentric gear (10) are respectively provided with a first eccentric wheel (12), the two ends of the second eccentric gear (11) are respectively provided with a second eccentric wheel (13), and the first eccentric wheels (12) are mutually abutted with the second eccentric wheels (13).

3. A seamless tube multi-roll rolling apparatus according to claim 2, wherein: the two first eccentric wheels (12) and the second eccentric wheels (13) are symmetrically arranged.

4. A seamless tube multi-roll rolling apparatus according to claim 2, wherein: the first eccentric wheel (12) is provided with a convex ring (16), and the second eccentric wheel (13) is provided with an annular groove (17) for the convex ring (16) to move.

5. A seamless tube multi-roll rolling apparatus according to claim 1, wherein: limiting blocks are arranged at two ends of the first limiting plate (3), and movable grooves (14) for the limiting blocks to move are formed in the side walls of the sliding grooves (15).

6. A seamless tube multi-roll rolling apparatus according to claim 5, wherein: and the limiting block is provided with an arc surface.

7. A seamless tube multi-roll rolling apparatus according to claim 1, wherein: the cambered surface is provided with a plurality of concave sections (18) distributed in an array, and the concave sections (18) form an anti-skid structure.