CN211588023U

CN211588023U - Uncoiler for spiral welded pipe unit

Info

Publication number: CN211588023U
Application number: CN202020136993.6U
Authority: CN
Inventors: 徐建
Original assignee: Tianjin Yishuiyuan Steel Pipe Co ltd
Current assignee: Tianjin Yishuiyuan Steel Pipe Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-09-29
Anticipated expiration: 2030-01-20

Abstract

The utility model discloses an uncoiler for a spiral welded pipe unit, which comprises a rectangular base, wherein two casings are arranged on the base in a sliding manner, two hydraulic cylinders which respectively drive the two casings to mutually approach or keep away are fixedly arranged on the base, and a support shaft is arranged on one side of the two casings opposite to each other; base one side is rotated and is provided with a plurality of straightening rollers, the straightening roller is kept away from base one side and has been set firmly two backup pads that set up along base length direction interval, rotate between two backup pads and set up the multiunit nip roll that sets up relatively from top to bottom, all rotate in two backup pads and be provided with the rocking arm, the fixed two synchronous pivoted rotation motors of rocking arm of drive that is provided with in arbitrary backup pad, all slide on two rocking arms and be provided with the cursor slide, the spiller has set firmly between two cursor slides, it is provided with arc guide block to rotate in the cursor slide middle part between two cursor slides. The utility model discloses an adjust the steel band that relative position relation between cursor slide and the rocking arm can adapt to different specifications, use manpower sparingly greatly and improved the steel band and opened a book efficiency.

Description

Uncoiler for spiral welded pipe unit

Technical Field

The utility model relates to a welded tube auxiliary processing equipment field especially relates to an uncoiler for spiral welded tube unit.

Background

When the spiral welded pipe is produced, a steel coil needs to be fixed on an uncoiler to be uncoiled, then the steel coil is continuously conveyed into a subsequent forming assembly to be rolled and formed, then a circular pipe blank with an opening gap after being rolled and formed is conveyed into a subsequent welding device to be welded, and finally the welded and formed steel pipe is cut into a single steel pipe by a cutting machine to be convenient to transport and pack.

To above-mentioned problem, chinese patent that patent publication number is CN206701973U provides an decoiler of spiral welded tube unit, hold in the palm the bearing roller mechanism of coil of strip including the course, the mechanism of starting up of liftable coil of strip, bearing roller mechanism includes the equidirectional pivoted bearing roller of can initiatively of two bearing coils of strip, the backing roll that hollow portion and reciprocated in the coil of strip that can insert is drawn together to the looping mechanism, decoiler includes that one can insert the coil of strip and roll up the shovel head between the body, decoiler still including setting up in the lower stop gear of shovel head front end and setting up in the last stop gear of shovel head rear end.

However, when the uncoiler is used to replace a new steel coil, the steel coils with the same diameter specification are not used every time, and the shovel head of the above patent is not suitable for steel coils with various diameter specifications. In the actual course of working, often need change the spiller of different specifications and adapt to the coil of strip, the more loaded down with trivial details extravagant manpower of process that not only changes the spiller still can reduce opening a book efficiency of device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an uncoiler for spiral welded pipe unit can adapt to the steel band of different specifications through the relative position relation between regulation cursor slide and the rocking arm, uses manpower sparingly greatly and has improved the steel band and has opened a book efficiency.

The utility model discloses a can realize through following technical scheme: an uncoiler for a spiral welded pipe unit comprises a rectangular base, wherein two casings are arranged on the base in a sliding mode along the length direction of the base, the two casings are arranged oppositely, two hydraulic cylinders which respectively drive the two casings to get close to or away from each other are fixedly arranged on the base, and supporting shafts are arranged on one opposite sides of the two casings in a lifting mode; base one side is rotated and is provided with a plurality of leveling rollers, the leveling roller is kept away from base one side has set firmly two edges the backup pad that base length direction interval set up, two rotate between the backup pad and be provided with the relative nip rolls that sets up about the multiunit, two all rotate in the backup pad and be provided with the rocking arm, arbitrary it is fixed two to be provided with the drive in the backup pad the synchronous pivoted of rocking arm rotates the motor, two the relative one side of rocking arm all slides and sets up the cursor slide, two between the cursor slide in the cursor tip is provided with the spiller, two between the cursor slide in the rotation of cursor slide middle part is provided with arc guide block.

By adopting the technical scheme, the two casings are driven to be away from each other through the hydraulic cylinder, the new steel coil is arranged between the two casings and sleeved on any one supporting shaft, and then the hydraulic cylinder is driven to enable the two casings to be close to each other, so that the new steel coil is sleeved on the two supporting shafts; after the steel coil sleeve is sleeved on the supporting shaft, the rotating motor is started to drive the rocker arm to rotate, the shovel blade shovels the steel belt at the head of the new steel coil and enables the steel belt to move along the arc-shaped guide block, the steel belt at the head of the new steel coil is guided into the straightening space between the arc-shaped guide block and the straightening roller to be straightened and continuously conveyed forwards until the steel belt enters a gap between the upper flattening roller and the lower flattening roller to be flattened again and conveyed to a subsequent processing device. Through adjusting the relative position relation between cursor slide and the rocking arm, can adjust the distance between spiller and the back shaft to the coil of strip of adaptation different specification diameters makes whole device have better adaptability.

Further setting the following steps: one side of the rocker arm, which is close to the adjacent sliding arm, is fixedly provided with a dovetail block along the length direction of the rocker arm, and one side of the sliding arm, which is close to the adjacent rocker arm, is provided with a dovetail groove matched with the dovetail block in a sliding manner.

By adopting the technical scheme, the dovetail block is matched with the dovetail groove in a sliding manner, so that the sliding direction of the sliding arm on the rocker arm is limited, and the synchronous motion of the two sliding arms on different rocker arms is favorably controlled; in addition, in the moving process of the device, the dovetail block and the dovetail groove are matched with each other, so that the swinging of the sliding arm and the rocker arm caused by the tangential acting force applied to the scraper knife in the moving process of the device can be reduced, and the stable operation of the device is facilitated.

Further setting the following steps: a plurality of limiting through holes are formed in the sliding arm along the length direction of the sliding arm, a plurality of positioning through holes matched with the limiting through holes in aperture size are formed in the rocker arm, and a pin shaft is inserted between the limiting through holes and the positioning through holes.

By adopting the technical scheme, the relative position of the sliding arm and the rocker arm is fixed, so that the scraper knife is more accurately aligned to the steel strip at the head of the new steel coil; and the relative position relation between the sliding arm and the rocker arm can be further fixed through the insertion and matching of the pin shaft, so that the swinging generated by the sliding arm and the rocker arm in the running process of the device is reduced, and the stable running of the device is facilitated.

Further setting the following steps: two driving rollers and a driving motor for driving any one of the driving rollers to rotate are rotatably arranged on the base under the supporting shaft; and the two driving rollers are driven by a belt.

Through adopting above-mentioned technical scheme, the cover is established and is erect on two drive rollers at the epaxial coil of strip bottom of back, thereby it rotates to drive whole coil of strip through driving motor and belt drive two drive rollers synchronous and syntropy, carries the steel band to follow-up device.

Further setting the following steps: a sliding block is arranged in the machine shell in a lifting manner, and a lifting cylinder in driving connection with the sliding block is fixedly arranged at the top of the machine shell; two the relative one side of casing has all seted up the spout along vertical direction, the back shaft runs through the spout and with sliding block fixed connection.

By adopting the technical scheme, the steel coil sleeved on the supporting shaft is driven by the lifting cylinder to move up and down between the two shells, so that the bottom of the steel coil is always in tight contact with the two driving rollers, and the driving rollers always drive the steel coil, thereby being beneficial to the stable operation of the device; two spouts set up along vertical direction relatively, restrict the direction of motion of two back shafts, are favorable to maintaining the stability of the coil of strip gesture that two back shafts were gone up to the cover and are established.

Further setting the following steps: and a guide post is vertically and fixedly arranged in the shell, penetrates through the sliding block and is in sliding fit with the sliding block.

By adopting the technical scheme, the movement direction of the supporting shaft in the lifting process is further limited, and the stability of the posture of the steel coil in the lifting process of the supporting shaft is further maintained.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the device of the utility model is simple in structure, carry out preliminary aligning to new coil of strip head steel band, make it send into follow-up processing subassembly more easily in, be favorable to practicing thrift the manpower and improve opening a book efficiency of device.

(2) The sliding arm and the rocker arm are matched with each other in a sliding mode, so that the steel coil processing device can adapt to steel coils with various different diameters and specifications, and has good processing adaptability.

Drawings

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

fig. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic view of a part of the structure of the present invention (mainly showing the slide arm and the rocker arm).

Reference numerals: 1. a base; 2. a slide rail; 3. a housing; 4. a support shaft; 5. a hydraulic cylinder; 6. a straightening table; 7. a straightening roll; 8. a support plate; 9. flattening rollers; 10. rotating the motor; 11. a rocker arm; 12. a slide arm; 13. a scraper knife; 14. an arc-shaped guide block; 15. a dovetail block; 16. a dovetail groove; 17. a limiting through hole; 18. positioning the through hole; 19. a pin shaft; 20. a drive roller; 21. a drive motor; 22. a guide post; 23. a sliding block; 24. a lifting cylinder; 25. a chute.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, for the utility model discloses an uncoiler for spiral welded pipe unit, including base 1, base 1 is rectangle and base 1 upper surface fixed has two slide rails 2 that set up along base 1 length direction, and two slide rails 2 set up along base 1 width direction interval. The slide rail 2 is provided with two shells 3 in a sliding way, the two shells 3 are arranged oppositely, and a support shaft 4 is fixedly penetrated through one opposite side surface of each of the two shells 3; two pneumatic cylinders 5 are fixed on the base 1 between the two slide rails 2 along the length direction of the base 1, and push rods of the two pneumatic cylinders 5 are respectively fixedly connected with the two casings 3 and used for driving the two casings 3 to be close to or away from each other along the length direction of the slide rails 2, so that the steel coil sleeves are conveniently sleeved on the support shafts 4, and subsequent uncoiling operation is performed. A straightening table 6 is fixedly arranged on one side of the frame, the straightening table 6 is rectangular, the length direction of the straightening table is consistent with that of the base 1, and a plurality of straightening rollers 7 are rotatably arranged on the straightening table 6 along the length direction of the straightening table.

Referring to fig. 1 and 4, two support plates 8 arranged along the width direction of the base 1 are fixed on one side of the straightening table 6 away from the base 1, and the two support plates 8 are arranged at intervals along the length direction of the base 1. A plurality of groups of flattening rollers 9 which are arranged up and down are rotatably arranged between the two supporting plates 8, and the gap between the upper flattening roller 9 and the lower flattening roller 9 is flush with the straightening roller 7. A rotating motor 10 is fixedly arranged on one side, far away from the other supporting plate 8, of any supporting plate 8, and a rotating shaft of the rotating motor 10 penetrates through the two supporting plates 8 in a rotating mode. Two parallel rocker arms 11 are fixed on the rotating shaft of the rotating motor 10 between the two supporting plates 8, and the two rocker arms 11 are respectively arranged close to the two supporting plates 8. Opposite sides of the two rocker arms 11 are detachably clamped with a sliding arm 12, the sliding arm 12 is arranged along the length direction of the rocker arms 11, one end, far away from the rotating shaft of the rotating motor 10, of the sliding arm 12 is fixedly provided with a scraper knife 13, and an arc-shaped guide block 14 is rotatably arranged on the sliding arm 12 between the scraper knife 13 and the rotating shaft of the rotating motor 10. After the new steel coil is sleeved on the supporting shaft 4, the rotating motor 10 drives the rocker arm 11 to rotate, the shovel blade 13 is driven to rotate towards the steel strip at the head of the new steel coil, the shovel blade 13 shovels the steel strip at the head of the new steel coil and enables the steel strip to move along the arc-shaped guide block 14, a straightening space is formed between the arc-shaped guide block 14 and the straightening roller 7, the steel strip at the head of the new steel coil is preliminarily straightened, and is conveyed backwards until the steel strip enters the space between the upper flattening roller 9 and the lower flattening roller 9.

Referring to fig. 2 and 4, a dovetail block 15 is fixed on one side of the rocker arm 11 close to the adjacent sliding arm 12, the dovetail block 15 is arranged along the length direction of the rocker arm 11, a dovetail groove 16 is formed on one side of the sliding arm 12 close to the adjacent rocker arm 11, the dovetail groove 16 is in sliding fit with the dovetail block 15, and the distance between the scraper knife 13 and the support shaft 4 is shortened or lengthened by changing the relative position relationship between the rocker arm 11 and the sliding block, so that the uncoiling of steel coils with different diameters can be adapted; the dovetail groove 16 and the dovetail block 15 can also improve the relative displacement between the slide arm 12 and the rocker arm 11 in the tangential direction caused by the tangential acting force applied to the blade 13 by the steel coil when the blade 13 is in contact with the steel coil, and is favorable for the stable operation of the device.

Referring to fig. 2 and 4, the slide arm 12 is provided with a plurality of limiting through holes 17 along the length direction thereof, the rocker arm 11 is provided with a plurality of positioning through holes 18 corresponding to the limiting through holes 17 in pore size, and a pin shaft 19 is inserted between the limiting through holes 17 and the positioning through holes 18. The slide arm 12 is accurately positioned on the rocker arm 11 by a plurality of pin shafts 19, so that the distance between the scraper knife 13 and the support shaft 4 is fixed, and the steel coil can be uncoiled accurately; and through round pin axle 19 with accurate location between cursor slide 12 and the rocking arm 11, be favorable to reducing when device cutter and coil of strip contact, the relative displacement in the radial direction that produces between cursor slide 12 and the rocking arm 11 that the radial effort that the steel band gave spiller 13 caused is favorable to the steady operation of device.

Referring to fig. 3, two driving rollers 20 are rotatably disposed on the base 1 right below the supporting shaft 4 along the length direction of the base 1, the two driving rollers 20 are spaced apart along the width direction of the base 1, a driving motor 21 for driving any one of the driving rollers 20 to rotate is fixed on the base 1, and the two driving rollers 20 are drivingly connected with each other through a belt. The lower end part of the steel coil sleeved on the support shaft 4 is abutted against and contacted with the two driving rollers 20, the driving motor 21 drives any one of the driving rollers 20 to rotate, the other driving roller 20 synchronously and equidirectionally rotates with the driving roller 20 under the action of the belt, and the steel coil rotates in the direction of the driving roller 20 under the action of the two driving rollers 20 and conveys a steel strip to the straightening roller 7, so that the steel coil smoothly enters a subsequent device, and stable operation of the device is facilitated.

Referring to fig. 1 and 3, the inside guide post 22 that sets firmly perpendicularly of casing 3, run through on the guide post 22 and be provided with sliding block 23, the casing 3 top is fixed with the lift cylinder 24 of being connected with sliding block 23 drive, back shaft 4 vertical fixation is close to another casing 3 one side in sliding block 23, two casing 3 relative one sides have all been seted up spout 25 along back shaft 4 direction of motion, back shaft 4 runs through spout 25 and its free end stretches into between two casings 3 and directional another casing 3. The diameter of the steel coil sleeved on the support shaft 4 is continuously reduced along with the uncoiling, the lifting cylinder 24 is driven to adjust the position of the support shaft 4, so that the lowest end of the steel coil is always in tight connection with the two driving rollers 20, the steel coil is easy to transmit a steel belt to a subsequent device, and the stable operation of the device is facilitated; the arrangement of the sliding groove 25 and the guide post 22 limits the moving direction of the supporting shaft 4 in the lifting process, and is beneficial to stabilizing the posture of the steel coil sleeved on the supporting shaft in the moving process of the supporting post.

The utility model discloses a theory of operation and beneficial effect do: two casings 3 are driven to be close to each other or be away from each other through a hydraulic cylinder 5, so that a steel coil is sleeved on a supporting shaft 4, a rocker arm 11 and a sliding arm 12 are driven to rotate together through a rotating motor 10, a scraper knife 13 on the sliding arm 12 scrapes a steel strip at the head of a new steel coil and enables the steel strip to enter a straightening space between an arc guide block 14 and a straightening roller 7 along the arc guide block 14 for preliminary straightening, and the steel strip after the preliminary straightening is continuously conveyed to a subsequent device until entering a gap between an upper flattening roller 9 and a lower flattening roller 9. The device of the utility model is simple, and the steel belt with larger curvature at the head part of the new steel coil is primarily straightened and conveyed into a subsequent processing device through the mutual matching of the scraper knife 13 and the arc-shaped guide block 14; when steel coils with different diameters are processed, the distance between the scraper knife 13 and the supporting shaft 4 is shortened or lengthened by adjusting the relative position relationship between the rocker arm 11 and the slide arm 12, so that the adaptability to steel coils with different diameters is improved; the time for replacing the scraper knife is reduced, and the uncoiling efficiency is improved.

The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an uncoiler for spiral welded tube unit which characterized in that: the device comprises a rectangular base (1), wherein two casings (3) are arranged on the base (1) in a sliding manner along the length direction of the base, the two casings (3) are arranged oppositely, two hydraulic cylinders (5) which respectively drive the two casings (3) to approach or separate from each other are fixedly arranged on the base (1), and a supporting shaft (4) is arranged on one side, opposite to the two casings (3), of each casing in a lifting manner; base (1) one side is rotated and is provided with a plurality of straightening rollers (7), straightening roller (7) are kept away from base (1) one side has set firmly two edges backup pad (8) that base (1) length direction interval set up, two rotate between backup pad (8) and be provided with relative nip rolls (9) that set up about the multiunit, two all rotate on backup pad (8) and be provided with rocking arm (11), arbitrary fixed being provided with the drive two on backup pad (8) rocking arm (11) synchronous pivoted rotating electrical machines (10), two the relative one side of rocking arm (11) all slides and sets up cursor slide (12), two between cursor (12) in cursor (12) tip is provided with spiller (13), two between cursor (12) in cursor (12) middle part is rotated and is provided with arc guide block (14).

2. An uncoiler for a spiral weld line as defined in claim 1, wherein: rocking arm (11) are close to adjacent cursor slide (12) one side has set firmly dovetail (15) along its length direction, cursor slide (12) are close to adjacent rocking arm (11) one side seted up with dovetail (16) that sliding fit was in dovetail (15).

3. An uncoiler for a spiral weld line as defined in claim 2, wherein: a plurality of limiting through holes (17) are formed in the sliding arm (12) along the length direction of the sliding arm, a plurality of positioning through holes (18) matched with the limiting through holes (17) in pore size are formed in the rocker arm (11), and pin shafts (19) are inserted between the limiting through holes (17) and the positioning through holes (18).

4. An uncoiler for a spiral weld line as defined in claim 1, wherein: two driving rollers (20) and a driving motor (21) for driving any one of the driving rollers (20) to rotate are rotatably arranged on the base (1) under the supporting shaft (4); the two driving rollers (20) are in transmission through a belt.

5. An uncoiler for a spiral welded pipe unit according to claim 4, characterised in that: a sliding block (23) is arranged in the machine shell (3) in a lifting manner, and a lifting cylinder (24) in driving connection with the sliding block (23) is fixedly arranged at the top of the machine shell (3); two casing (3) relative one side has all been seted up spout (25) along vertical direction, back shaft (4) run through spout (25) and with sliding block (23) fixed connection.

6. An uncoiler for a spiral welded pipe unit according to claim 5, characterised in that: a guide post (22) is vertically and fixedly arranged in the machine shell (3), and the guide post (22) penetrates through the sliding block (23) and is in sliding fit with the sliding block (23).