CN215745585U

CN215745585U - Uncoiler for producing spiral submerged arc welded steel pipe

Info

Publication number: CN215745585U
Application number: CN202121160934.3U
Authority: CN
Inventors: 张峰
Original assignee: Liaoning Xinhongxiang Steel Pipe Co ltd
Current assignee: Liaoning Xinhongxiang Steel Pipe Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-02-08
Anticipated expiration: 2031-05-27

Abstract

The utility model relates to an uncoiler for producing a spiral submerged arc welded steel pipe, which comprises a support frame, wherein two sides of the support frame are respectively connected with a drum shaft and a driving motor, a base is arranged on one side of the drum shaft, a movable seat, a fixed seat and a driving component are arranged on the base, a supporting arm and a hydraulic cylinder are arranged in the fixed seat, a supporting rod, a first motor, a first screw rod, a driving block and a material pressing component are arranged at the top of the movable seat, one end of the supporting rod is provided with a limiting plate, the supporting arm can be lifted up through a hydraulic cylinder, thereby supporting the reel shaft, avoiding the reel shaft from being damaged due to the overweight of the steel coil, limiting the position of the steel coil through the limiting plate on the supporting rod, avoiding the steel coil from moving, through first motor, first lead screw and drive block, can make the bracing piece remove, make the coil of strip become compacter through pressing the material subassembly, can not scatter.

Description

Uncoiler for producing spiral submerged arc welded steel pipe

Technical Field

The utility model relates to the technical field of uncoiler equipment, in particular to an uncoiler for producing a spiral submerged arc welded steel pipe.

Background

The spiral seam submerged arc welding steel pipe is a steel pipe produced by using a narrow steel plate, has low production cost and simple process, and is easy to produce a steel pipe with a larger pipe diameter, so the spiral seam submerged arc welding process is mostly used for producing large-diameter steel pipes.

CN209502601U discloses a feeding uncoiler, which has the advantages of small space occupation, automatic feeding, accurate feeding position and larger application range of an expansion reel, but the structure for limiting the steel coil is not arranged on the steel coil, the steel coil is formed by winding plates, the steel plate has elasticity and is easy to scatter to cause accidents, but only one end of the expansion reel is fixed, after the uncoiler feeds materials, the force born by the fixed end of the reel shaft is very large, the damage is easy to occur, in addition, the uncoiler can not be used alone when in use, and other equipment is required to be matched, therefore, the uncoiler needs to be in a straight line with other equipment to ensure that the subsequent processing of the steel coil does not cause problems, but the steel coil fixed on the uncoiler is easy to cause mechanical vibration, or other unexpected factors, which easily causes problems in subsequent production, and the existing uncoiler has no limit structure.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an uncoiler for producing a spiral submerged arc welded steel pipe.

In order to achieve the purpose, the utility model provides the following technical scheme: an uncoiler for spiral submerged arc welding steel pipe production comprises a support frame, wherein a drum shaft and a driving motor are respectively connected to two sides of the support frame, a base is arranged on one side of the drum shaft, a movable seat, a fixed seat and a driving assembly are arranged on the base, a supporting arm and a hydraulic cylinder are arranged in the fixed seat, the supporting arm and the drum shaft are correspondingly arranged and are movably connected with the fixed seat through a rotating shaft, one end of the hydraulic cylinder is movably connected with the supporting arm, the other end of the hydraulic cylinder is movably connected with the fixed seat, the movable seat is connected with the driving assembly, a supporting rod, a first motor, a first lead screw, a driving block and a material pressing assembly are arranged at the top of the movable seat, the supporting rod is slidably connected with the movable seat, a limiting plate is arranged at one end of the supporting rod, the limiting plate is C-shaped, the first lead screw is arranged in the movable seat and is in threaded connection with the driving block, one end of the first lead screw penetrates through the movable seat and is connected with the first motor, and the driving block is fixedly connected with the supporting rod.

Preferably, the drive assembly includes second motor and second lead screw, the one end of second motor and second lead screw is connected, the other end of second lead screw passes the sliding seat, and with base swing joint, drives the second lead screw through driving motor, can make the sliding seat remove, and then drives the limiting plate and remove.

Preferably, a supporting groove is formed in one end, corresponding to the winding drum shaft, of the supporting arm, a plurality of rolling blocks are arranged on the inner wall of the supporting groove, and the rolling blocks are movably connected with the supporting arm. The existence of the rolling block reduces the friction between the coiling block shaft and the supporting arm, and reduces the abrasion.

In further preferred, the swager subassembly includes swager roll and link, the link sets up on the sliding seat, the one end of link is provided with two telescopic links, the other end of link passes the sliding seat, and with bracing piece fixed connection, the one end and the swager roll of telescopic link pass through pivot swing joint, be provided with pressure spring and two stoppers on the telescopic link, the stopper sets up the both ends at the telescopic link, the other end and the link of telescopic link pass the link, and with link sliding connection. The material pressing assembly can enable the steel coil to become compact, and the steel coil is prevented from being scattered to influence subsequent processing.

In a further preferred embodiment, the connecting frame and the support bar are connected by a drive block. The driving block can drive the connecting frame, so that the stress of the connecting frame becomes uniform, and the connecting frame is more stable in movement.

Preferably, the base is provided with two guide grooves, a plurality of rollers are arranged below the movable seat, and the rollers are arranged in the guide grooves. When the guide groove makes the sliding seat move, the position can not be deviated, and the roller wheel makes the sliding seat move more easily.

In a further preferred aspect, a rubber layer is provided on the nip roll. The rubber layer can protect the steel coil when the material pressing roller rubs against the steel coil.

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

in the utility model, the supporting arm can rotate around the position connected with the fixed seat through the hydraulic cylinder, so that one end of the supporting arm is contacted with the drum shaft, the supporting arm is supported by the hydraulic cylinder, so that the supporting arm can support one end of the reel shaft, the reel shaft can be supported by the supporting arm, the reel shaft is prevented from being damaged due to the fact that the steel coil fixed on the reel shaft is heavy, and the first motor, the first lead screw and the driving block are used for driving the first lead screw to rotate, the supporting rod can move to drive the C-shaped limiting plate at one end of the supporting rod to be close to the reel shaft, the movable seat can move through the driving component to enable the limiting plate to be tightly attached to the steel coil, thus, after the steel coil is fixed on the drum shaft, the steel coil displacement can be avoided, which causes problems in subsequent processing, the steel coil can be tightly pressed by the pressing component, so that the inside of the steel coil is not provided with too large gaps, and the steel coil is prevented from being scattered, thereby causing the problems in subsequent processing.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic cross-sectional view of the movable seat of the present invention;

FIG. 4 is a schematic cross-sectional view of the fixing base and the supporting arm according to the present invention;

FIG. 5 is a schematic view of the structure of the nip roll and the telescopic rod of the present invention.

In the figure: 1. a support frame; 2. a spool shaft; 3. a drive motor; 4. a base; 5. a movable seat; 6. a fixed seat; 7. a support arm; 8. a hydraulic cylinder; 9. a support bar; 10. a first motor; 11. a first lead screw; 12. a drive block; 13. a limiting plate; 14. a second motor; 15. a second lead screw; 16. a support groove; 17. a rolling block; 18. a nip roll; 19. a connecting frame; 20. A telescopic rod; 21. a compression spring; 22. a limiting block; 23. a guide groove; 24. a roller; 25. a rubber layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1-5, an uncoiler for spiral submerged arc welding steel pipe production comprises a support frame 1, a drum shaft 2 and a driving motor 3 are respectively connected to two sides of the support frame 1, a base 4 is arranged on one side of the drum shaft 2, a movable seat 5, a fixed seat 6 and a driving assembly are arranged on the base 4, a supporting arm 7 and a hydraulic cylinder 8 are arranged in the fixed seat 6, the supporting arm 7 and the drum shaft 2 are correspondingly arranged and movably connected with the fixed seat 6 through a rotating shaft, one end of the hydraulic cylinder 8 is movably connected with the supporting arm 7, the other end is movably connected with the fixed seat 6, the movable seat 5 is connected with the driving assembly, a supporting rod 9, a first motor 10, a first lead screw 11, a driving block 12 and a material pressing assembly are arranged at the top of the movable seat 5, the supporting rod 9 is slidably connected with the movable seat 5, a limiting plate 13 is arranged at one end of the supporting rod 9, limiting plate 13 sets up to the C shape, first lead screw 11 with set up inside movable seat 5, and with driving block 12 threaded connection, movable seat 5 is passed to the one end of first lead screw 11, is connected with first motor 10, driving block 12 and bracing piece 9 fixed connection.

In this embodiment, the driving assembly includes a second motor 14 and a second lead screw 15, the second motor 14 is connected to one end of the second lead screw 15, and the other end of the second lead screw 15 passes through the movable seat 5 and is movably connected to the base 4. The second motor 14 can move the movable seat 5 by driving the second lead screw 15, so that the limiting plate 13 can move, and the limiting plate 13 can cling to the steel coil.

In this embodiment, a supporting groove 16 is formed at one end of the supporting arm 7 corresponding to the spool shaft 2, a plurality of rolling blocks 17 are arranged on the inner wall of the supporting groove 16, and the rolling blocks 17 are movably connected with the supporting arm 7. The supporting groove 16 is used for placing the coiling block shaft 2, and the rolling block 17 changes the friction between the coiling block shaft 2 and the inner wall of the supporting groove 16 from sliding friction to rolling friction, so that the friction force is reduced, and the abrasion is reduced.

In this embodiment, the swage subassembly includes nip roll 18 and link 19, the link sets up on sliding seat 5, the one end of link 19 is provided with two telescopic links 20, the other end of link 19 passes sliding seat 5, and with bracing piece 9 fixed connection, the one end of telescopic link 20 and nip roll 18 are through pivot swing joint, be provided with pressure spring 21 and two stopper 22 on the telescopic link 20, stopper 22 sets up the both ends at telescopic link 20, the other end of telescopic link 20 and link 19

pass link

19, and 19 sliding connection with link 19. When the bracing piece 9 removed, can drive link 19 and remove, and then make nip roll 18 push down the coil of strip, after nip roll 18 pushed down the coil of strip, telescopic link 20 and nip roll 18 just can stop, link 19 and bracing piece 9 continue to remove, telescopic link 20 inserts in link 19's one end gets into link 19, and link 19 can make pressure spring 21 compress, elasticity through compression spring, make nip roll 18 exert sufficient power to the coil of strip, make the coil of strip can not scatter, diameter along with the coil of strip reduces, pressure spring 21 makes nip roll 18 can be all the time the coil of strip pressing, in two stopper 22, one avoids telescopic link 20 and link 19 to separate, another is the position that provides the support for pressure spring 21.

In this embodiment, the connecting frame 19 and the support rod 9 are connected by the driving block 12. The connecting frame 19 is connected with the supporting rod 9 through the driving block 12, so that the first lead screw 11 can be close to the central position of the connecting frame 19, and the connecting frame 19 and the supporting frame 1 are more stable when moving.

In this embodiment, two guide grooves 23 are provided on the base 4, a plurality of rollers 24 are provided below the movable seat 5, and the rollers 24 are disposed in the guide grooves 23. When the roller 24 enables the movable seat 5 to move, the operation is easier, too large abrasion caused by friction cannot be generated, and the guide groove 23 is matched with the second lead screw 15, so that the movable seat 5 cannot deviate when moving.

In the present embodiment, the nip roller 18 is provided with a rubber layer 25. The rubber layer 25 can prevent steel from being scratched when the nip roll 18 rubs against the steel coil.

Example 2:

referring to fig. 1-5, when in use, a steel coil is placed on a reel shaft 2 by a forklift or a hoisting device, a tensioning mechanism is arranged on the reel shaft 2, the steel coil is fixed by the tensioning mechanism, then a hydraulic cylinder 8 on a fixed seat 6 is started, a piston rod of the hydraulic cylinder 8 pushes a support wall to move, so that a support arm 7 rotates around one end connected with the fixed seat 6, and further the other end of the support arm 7 moves upwards to contact the reel shaft 2, so that the support arm 7 can support the reel shaft 2 by means of the support frame 1 and the support arm 7, the reel shaft 2 can be more stable when rotating, then a first motor 10 is started, the first motor 10 drives a first lead screw 11 to rotate, and further a driving block 12 moves, a connecting frame 19 connected with the driving block 12, a support rod 9 and the driving block 12 move synchronously until the driving block 12 cannot move, the first motor 10 stops running, the support rod 9 drives the limit plate 13 to move, a groove corresponding to the reel shaft 2 is arranged on the C-shaped limit plate 13, the reel shaft 2 enters the groove on the reel shaft 2, the connecting frame 19 synchronously moves while the support rod 9 moves and drives the telescopic rod 20 to move until the material pressing roller 18 connected with the telescopic rod 20 contacts with the steel coil, at this time, the telescopic rod 20 is not moved, the connecting frame 19 continues to move, the telescopic rod 20 and one end inserted into the connecting frame 19 are inserted into the connecting frame 19, the compression spring 21 on the connecting frame 19 is compressed, then, the second motor 14 is started, the movable seat 5 is driven to move through the second lead screw 15, when the movable seat 5 moves, the connecting frame 19 and the support rod 9 move, the limit plate 13 on the support rod 9 contacts with the steel coil, until the limit plate 13 contacts with the steel coil, the second motor 14 stops running, then, the driving motor 3 is started, driving motor 3 drives reel shaft 2 and rotates, makes the coil of strip on reel shaft 2 rotatory, and steel is continuous by subsequent equipment pulling, makes the continuous reducing of coil of strip, when the coil of strip reduces, because the effect of the pressure spring 21 on the telescopic link 20, telescopic link 20 and nip roll 18 are pressed all the time on the coil of strip, applys certain power to the coil of strip, makes the coil of strip keep the state that compresses tightly.

Example 3:

referring to fig. 1-5, after the steel coil is mounted, the hydraulic cylinder 8 lifts the supporting arm 7, the spool 2 enters the supporting groove 16 at one end of the supporting arm 7, when the spool 2 rotates, the spool 2 drives the rolling block 17 inside the supporting groove 16 to rotate, the sliding friction is changed into the rolling friction, the friction between the spool 2 and the supporting arm 7 is reduced, and further the abrasion is reduced, after the spool 2 enters the supporting groove 16, the first motor 10 is started, the supporting rod 9 and the connecting frame 19 are moved through the first lead screw 11 and the driving block 12, the limiting plate 13 limits the position of the steel coil, the material pressing roller 18 presses the steel coil, then the second motor 14 is started, the movable seat 5 is driven to move through the second lead screw 15, when the movable seat 5 moves, the bottom roller 24 is in the guiding groove 23, so that when the movable seat 5 moves, the second lead screw 15 cannot deviate, the roller 24 can make the movable seat 5 move more easily, and when the rubber layer 25 makes the pressure roller 18 move, the steel coil cannot be influenced too much.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a spiral submerged arc welding is decoiler for steel pipe production, includes support frame (1), the both sides of support frame (1) are connected with reel axle (2) and driving motor (3) respectively, its characterized in that: the winding drum is characterized in that a base (4) is arranged on one side of the winding drum shaft (2), a movable seat (5), a fixed seat (6) and a driving assembly are arranged on the base (4), a supporting arm (7) and a hydraulic cylinder (8) are arranged in the fixed seat (6), the supporting arm (7) and the winding drum shaft (2) are correspondingly arranged and are movably connected with the fixed seat (6) through a rotating shaft, one end of the hydraulic cylinder (8) is movably connected with the supporting arm (7), the other end of the hydraulic cylinder is movably connected with the fixed seat (6), the movable seat (5) is connected with the driving assembly, a supporting rod (9), a first motor (10), a first lead screw (11), a driving block (12) and a material pressing assembly are arranged at the top of the movable seat (5), the supporting rod (9) is slidably connected with the movable seat (5), a limiting plate (13) is arranged at one end of the supporting rod (9), and the limiting plate (13) is arranged in a C shape, first lead screw (11) and setting are inside sliding seat (5), and with driving block (12) threaded connection, sliding seat (5) are passed to the one end of first lead screw (11), and are connected with first motor (10), driving block (12) and bracing piece (9) fixed connection.

2. The uncoiler for spiral submerged arc welded steel pipe production according to claim 1, characterized in that: the driving assembly comprises a second motor (14) and a second lead screw (15), one end of the second motor (14) is connected with one end of the second lead screw (15), and the other end of the second lead screw (15) penetrates through the movable base (5) and is movably connected with the base (4).

3. The uncoiler for spiral submerged arc welded steel pipe production according to claim 1, characterized in that: one end of the supporting arm (7) corresponding to the winding drum shaft (2) is provided with a supporting groove (16), the inner wall of the supporting groove (16) is provided with a plurality of rolling blocks (17), and the rolling blocks (17) are movably connected with the supporting arm (7).

4. The uncoiler for spiral submerged arc welded steel pipe production according to claim 1, characterized in that: the material pressing component comprises a material pressing roller (18) and a connecting frame (19), the connecting frame (19) is arranged on a movable seat (5), one end of the connecting frame (19) is provided with two telescopic rods (20), the other end of the connecting frame (19) penetrates through the movable seat (5) and is fixedly connected with a support rod (9), one end of each telescopic rod (20) is movably connected with the material pressing roller (18) through a rotating shaft, the telescopic rods (20) are provided with compression springs (21) and two limiting blocks (22), the limiting blocks (22) are arranged at two ends of each telescopic rod (20), the other end of each telescopic rod (20) and the connecting frame (19) penetrate through the connecting frame (19) and are connected with the connecting frame (19) in a sliding mode.

5. The uncoiler for spiral submerged arc welded steel pipe production according to claim 4, wherein: the connecting frame (19) is connected with the supporting rod (9) through a driving block (12).

6. The uncoiler for spiral submerged arc welded steel pipe production according to claim 1, characterized in that: the base (4) is provided with two guide grooves (23), a plurality of idler wheels (24) are arranged below the movable seat (5), and the idler wheels (24) are arranged in the guide grooves (23).

7. The uncoiler for spiral submerged arc welded steel pipe production according to claim 4, wherein: the rubber layer (25) is arranged on the nip roll (18).