CN212424776U

CN212424776U - Steel band decoiler

Info

Publication number: CN212424776U
Application number: CN202020944559.0U
Authority: CN
Inventors: 张风军; 徐广水
Original assignee: Tianjin Shenzhoutong Steel Pipe Co ltd
Current assignee: Tianjin Shenzhoutong Steel Pipe Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-01-29
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a steel band decoiler relates to decoiler technical field, including the bottom plate, the both ends of bottom plate slide respectively and are provided with the supporting seat, and two supporting seats set up relatively and rotate on the supporting seat and be provided with the main shaft, have set firmly the fender dish on the main shaft, and the one end that main shaft contact steel coiled the strip has set firmly the centre wheel, and the bottom plate has set firmly two backing rolls that are used for supporting steel band volume bottom between two supporting seats. One side of the bottom plate is provided with a rack, the top end of the rack is provided with a swing table and a driving assembly for driving the swing table to swing towards the steel strip coil, and one side of the swing table, which is close to the supporting roll, is rotatably provided with a driving roll. The utility model discloses a drive assembly control is set a table to the swing of centre wheel for the drive roller compresses tightly the steel strip coil of strip, and the drive roller rotates in order to realize opening a book of steel band, adjusts the amplitude of oscillation of setting a table through drive assembly, makes the drive roller compress tightly the steel strip coil of strip with constant pressure, thereby reduces the phenomenon of skidding of steel band, guarantees that the steel band sends into the stationarity of moulding line.

Description

Steel band decoiler

Technical Field

The utility model relates to an decoiler technical field especially relates to a steel band decoiler.

Background

The petroleum casing pipe is a large-caliber pipe used for supporting steel pipes of the well wall of an oil well or a gas well so as to ensure the normal operation of the whole oil well after the drilling process and the completion. Most of the petroleum casings are formed by straight welded pipes, which are made of strip steel or steel plate base material by cold bending forming and then high-frequency welding. In cold roll forming of strip steel, a steel strip uncoiler is required to uncoil a steel strip coil.

Chinese patent with patent publication No. CN207872760U discloses a steel strip uncoiler, including the frame of opening a book, install in the frame of opening a book and can be at the pivoted strutting arrangement on the frame of uncoiler, strutting arrangement includes a plurality of supporting shoes, supporting shoe circumference equipartition is on the surface of same cylinder, the supporting shoe is equipped with dam device along the center pin direction, dam device slides with the supporting shoe and is connected, dam device includes the frame and sets up the elasticity fixture block on the frame, the supporting shoe is equipped with a plurality of draw-in grooves that correspond to elasticity fixture block, and dam device can be in the junction free rotation with the supporting shoe.

This technical scheme carries on spacingly through dam device to the side of steel strip coil, thereby realizes opening a book of steel strip coil through the rotation of drive strutting arrangement. However, the technical scheme has the following problems: because the oil casing needs to guarantee its leakproofness, needs to use great belted steel of thickness, and the quality is rolled up to the steel band is great, and the steel band skids easily at the in-process of opening a book, influences the stability that the steel band sent into the shaping production line, and then influences the shaping quality of longitudinal welded pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steel band decoiler can reduce the phenomenon of skidding, guarantees that the steel band sends into the stationarity of shaping production line, and then guarantees the shaping quality of longitudinal welded pipe.

The utility model discloses a can realize through following technical scheme:

a steel belt uncoiler comprises a bottom plate, wherein two ends of the bottom plate are respectively provided with a supporting seat in a sliding manner, the two supporting seats are arranged oppositely, a main shaft is rotatably arranged on each supporting seat, a catch disc is fixedly arranged on each main shaft, and a central wheel is fixedly arranged at one end, contacting a steel belt coil, of each main shaft; two supporting rollers for supporting the bottom of the steel strip coil are fixedly arranged between the two supporting seats of the bottom plate, and the two supporting rollers are symmetrically arranged by taking a projection connecting line of the two main shafts on the bottom plate as a center; one side of bottom plate is equipped with the frame, the top of frame is equipped with puts the platform and is used for the drive it rolls up wobbling drive assembly to the steel band to put the platform, it is close to put the platform one side rotation of backing roll is provided with the drive roller.

Through adopting above-mentioned technical scheme, hoist the steel band book to the backing roll on, drive two supporting seats and be close to each other, drive the hole that the centre wheel passed the steel band book, keep off the dish butt in the both sides of steel band book simultaneously, restrict the steel band and roll up in width direction's slip. The drive assembly drive is set a table and is close to the steel strip coil for the drive roller butt compresses tightly the steel strip coil, utilizes the frictional force of drive roller and steel strip coil, realizes opening a book of steel strip coil. At the in-process of opening a book of steel strip coil, the swing range of set table can be adjusted to drive assembly for the drive roller compresses tightly the steel strip coil with invariable pressure, reduces the phenomenon of skidding of steel strip, guarantees that the steel strip sends into the stationarity of shaping production line, and then guarantees the shaping quality of longitudinal welded pipe.

Further setting the following steps: the driving assembly comprises a swing oil cylinder hinged to the top end of the rack, and a piston rod of the swing oil cylinder is hinged to the middle of the swing table; the rack is fixedly provided with a boss, one end of the swing table, which is far away from the supporting seat, is hinged with the boss, and the rack is provided with a placement opening for the oil cylinder to swing through.

Through adopting above-mentioned technical scheme, the piston rod of swing hydro-cylinder stretches out, and the drive is set a table and is swung for the one end that has the drive roller is close to the steel strip coil, and when the drive roller compressed tightly steel strip coil week side, the drive roller rotated, utilizes the frictional force between drive roller and the steel band, realizes opening a book of steel strip coil. The pressure of the driving roller on the steel belt coil is adjusted by adjusting the oil pressure of the swing oil cylinder.

Further setting the following steps: the one end of drive roller has set firmly driven pulley, set firmly driving motor on the platform, driving motor's output has set firmly driving pulley, driven pulley with driving pulley passes through belt transmission and connects.

Through adopting above-mentioned technical scheme, driving motor drive driving pulley rotates, through driving pulley and driven pulley's transmission, drives the drive roller and rotates.

Further setting the following steps: the periphery of the driving roller is fixedly provided with anti-skidding convex ribs.

Through adopting above-mentioned technical scheme, the frictional force of increase drive roller and steel coil of strip reduces the phenomenon of skidding.

Further setting the following steps: first deflector and second deflector have set firmly relatively in the frame, the lower terminal surface of pendulum platform in the drive roller with be equipped with the elevating platform between the first deflector, it is provided with the guide roll to rotate on the elevating platform, the transmission is connected with the lift cylinder on the elevating platform.

Through adopting above-mentioned technical scheme, first deflector and second deflector form discharging channel, and its piston rod of lift cylinder control stretches out, and lifting support takes the guide roll to be close to the steel band for the steel band gets into discharging channel under the guide of guide roll.

Further setting the following steps: the supporting roller is characterized in that a sliding groove is formed in the bottom plate, the length direction of the sliding groove is consistent with the moving direction of the supporting seat, the bottom of the supporting seat is in sliding connection with the sliding groove, and one side, back to the supporting roller, of the supporting seat is in transmission connection with a horizontal oil cylinder.

Through adopting above-mentioned technical scheme, horizontal hydro-cylinder drive supporting seat slides along the spout for two supporting seats are close to each other, and two carousels form and keep off the material space, and it is spacing with the both sides centre gripping of steel band coil of strip, in order to prevent that the steel band from opening the roll in-process and sliding and scattering.

Further setting the following steps: two side supports are fixedly arranged at the top of the supporting seat, and side stop rollers are rotatably arranged on the side supports.

Through adopting above-mentioned technical scheme, the side on two supporting seats keeps off the roller and has enlarged the material scope of keeping off to the practicality of decoiler has been improved to the steel band of adaptation major diameter is rolled up.

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

(1) the steel strip coil is installed on the center wheel, the swing oil cylinder swings towards the center wheel through the control swing platform, so that the driving roller compresses the steel strip coil, and the driving motor drives the driving roller to rotate to realize uncoiling of the steel strip. In the uncoiling process, the oil pressure of the adjusting oil cylinder is used for adjusting the driving amplitude of the swing table, so that the driving roller compresses the steel strip coil with constant pressure, the slipping phenomenon of the steel strip is reduced, the stability of the steel strip fed into a forming production line is guaranteed, and the forming quality of the straight welded pipe is further guaranteed.

(2) The friction force of the driving roller and the steel coil is increased by the anti-skidding convex ribs, and the skidding phenomenon is reduced.

(3) The side stop rollers on the two supporting seats form a stop space, so that the stop range is enlarged, the steel strip coil with a large diameter can be adapted, and the practicability of the uncoiler is improved.

Drawings

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

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

fig. 3 is a side view of the present invention.

Reference numerals: 1. a base plate; 2. a supporting seat; 3. a main shaft; 4. a catch tray; 5. a center wheel; 6. a support roller; 7. a chute; 8. a horizontal oil cylinder; 9. a side bracket; 10. a side baffle roller; 11. a frame; 12. placing a platform; 13. a drive roller; 14. anti-slip ribs; 15. a drive motor; 16. a driven pulley; 17. a driving pulley; 18. a swing oil cylinder; 19. a boss; 20. a placement port; 21. a first guide plate; 22. a second guide plate; 23. a lifting platform; 24. a guide roller; 25. and a lifting cylinder.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying examples.

Referring to fig. 1 and 2, for the utility model discloses a steel band decoiler, including bottom plate 1, the bottom plate 1 up end slides respectively in its length direction's both ends and is provided with supporting seat 2, and two supporting seats 2 set up relatively. A main shaft 3 is rotatably arranged on the supporting seat 2 through a bearing, a baffle disc 4 is coaxially and fixedly arranged in the middle of the main shaft 3, and a center wheel 5 is coaxially and fixedly arranged at one end, contacting the steel strip coil, of the main shaft 3. Two parallel supporting rollers 6 are fixedly arranged between the two supporting seats 2 on the upper end surface of the bottom plate 1, and the two supporting rollers 6 are symmetrically arranged by taking a projection connecting line of the two main shafts 3 on the bottom plate 1 as a center. The upper end face of the bottom plate 1 is provided with a sliding groove 7 along the length direction, and the bottom of the supporting seat 2 is connected with the sliding groove 7 in a sliding mode. Two ends of the upper end surface of the bottom plate 1 in the length direction are respectively and fixedly provided with a horizontal oil cylinder 8, and a piston rod of the horizontal oil cylinder 8 is fixedly connected with one side of the supporting seat 2, which is back to the supporting roll 6.

Hoist the steel band book to backing roll 6 on, its piston rod of horizontal hydro-cylinder 8 control stretches out, and drive supporting seat 2 removes along spout 7 for two supporting seats 2 are close to each other, drive centre wheel 5 and pass the hole of steel band book, keep off 4 butts in the both sides of steel band book simultaneously, restrict the steel band book in width direction's slip.

Referring to fig. 2, two side brackets 9 are fixedly arranged at the top of the supporting seat 2, a side blocking roller 10 is rotatably arranged at one side of each side bracket 9 close to the corresponding blocking disc 4 through a bearing seat, and the axial direction of the side blocking roller 10 is arranged along the radial direction of the corresponding blocking disc 4. The side baffle rollers 10 on the two supporting seats 2 form a material blocking space, so that the material blocking range is enlarged, the steel strip coil with a large diameter can be adapted, and the practicability of the uncoiler is improved.

Referring to fig. 1 and 3, a frame 11 is arranged on one side of a bottom plate 1, a swing table 12 and a driving assembly for driving the swing table 12 to swing towards a steel strip coil are arranged at the top end of the frame 11, a driving roller 13 is rotatably arranged on one side of the swing table 12 close to a supporting roller 6 through a bearing seat, and the axial direction of the driving roller 13 is parallel to the axial direction of the supporting roller 6. The anti-slip ribs 14 are uniformly distributed on the peripheral side of the driving roller 13, so that the friction force between the driving roller 13 and a steel coil is increased, and the slip phenomenon is reduced. One end of the driving roller 13 is fixedly provided with a driven belt pulley 16, the upper end face of the swing table 12 is fixedly provided with a driving motor 15, the output end of the driving motor 15 is fixedly provided with a driving belt pulley 17, and the driven belt pulley 16 is in transmission connection with the driving belt pulley 17 through a belt.

The driving assembly comprises a swing oil cylinder 18 which is hinged to the top end of the frame 11, and a piston rod of the swing oil cylinder 18 is hinged to the middle of the swing table 12. A boss 19 is fixedly arranged on the frame 11, one end of the swing table 12, which is far away from the supporting seat 2, is hinged with the boss 19, and a mounting opening 20 through which an oil supply cylinder swings is formed in the frame 11.

After the steel strip coil is installed, the swing oil cylinder 18 controls the piston rod to extend out, and the swing table 12 is driven to drive the driving roller 13 to be close to the central wheel 5 and compress the steel strip coil. The driving motor 15 controls the rotation of the driving roller 13, and the steel strip is unwound by using the friction force between the driving roller 13 and the steel strip.

Referring to fig. 3, a first guide plate 21 and a second guide plate 22 are fixed to the frame 11, and the first guide plate 21 and the second guide plate 22 are opposite to each other. The lower end face of the swing table 12 is provided with a lifting table 23 between the driving roller 13 and the first guide plate 21, and one side of the lifting table 23 close to the supporting roller 6 is rotatably provided with a guide roller 24 through a bearing seat. The upper end surface of the swing table 12 is fixedly provided with a lifting cylinder 25, and a piston rod of the lifting cylinder 25 penetrates through the swing table 12 and is fixedly connected with the lifting table 23.

A discharge channel is formed between the first guide plate 21 and the second guide plate 22, the lifting cylinder 25 controls the piston rod to extend out, and the lifting support drives the guide roller 24 to be close to the steel strip, so that the steel strip enters the discharge channel under the guidance of the guide roller 24.

The utility model discloses a theory of operation and beneficial effect do:

firstly, a steel strip coil is hoisted to a supporting roller 6, a horizontal oil cylinder 8 drives the supporting seats 2 to slide along the sliding groove 7, the two supporting seats 2 are close to each other, the central wheel 5 is driven to penetrate through an inner hole of the steel strip coil, and meanwhile, the blocking discs 4 are abutted against the two sides of the steel strip coil to limit the sliding of the steel strip coil in the width direction. After the steel strip coil is installed, the swing oil cylinder 18 controls a piston rod of the swing oil cylinder to extend out, the swing platform 12 is driven to swing by taking a hinge shaft of the swing platform and the boss 19 as a center, the driving roller 13 is driven to be close to the central wheel 5, and the steel strip coil is compressed. At this time, the driving motor 15 controls the rotation of the driving roller 13, and the steel strip is unwound by the friction force between the driving roller 13 and the steel strip. Through adjusting the oil pressure of the swing oil cylinder 18, the swing amplitude of the swing table 12 is adjusted, so that the driving roller 13 compresses the steel strip coil with constant pressure all the time, the slipping phenomenon of the steel strip coil is reduced, the stability of the steel strip fed into a forming production line is guaranteed, and the forming quality of the straight welded pipe is further guaranteed.

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. A steel strip uncoiler comprising a base plate (1), characterized in that: two ends of the bottom plate (1) are respectively provided with a supporting seat (2) in a sliding manner, the two supporting seats (2) are arranged oppositely, a main shaft (3) is arranged on the supporting seats (2) in a rotating manner, a blocking disc (4) is fixedly arranged on the main shaft (3), and a central wheel (5) is fixedly arranged at one end, contacting with a steel strip coil, of the main shaft (3); two supporting rollers (6) for supporting the bottom of the steel strip coil are fixedly arranged between the two supporting seats (2) of the bottom plate (1), and the two supporting rollers (6) are arranged in a central symmetry mode by taking a projection connecting line of the two main shafts (3) on the bottom plate (1) as a center; one side of bottom plate (1) is equipped with frame (11), the top of frame (11) is equipped with puts platform (12) and is used for the drive it rolls up wobbling drive assembly to the steel band to put platform (12), it is close to put platform (12) the rotation of one side of backing roll (6) is provided with drive roller (13).

2. A steel strip uncoiler according to claim 1, wherein: the drive assembly including articulated connect in swing hydro-cylinder (18) on frame (11) top, the piston rod of swing hydro-cylinder (18) with the articulated connection in middle part of putting platform (12), it keeps away from to put platform (12) the one end of supporting seat (2) with frame (11) articulated connection, the confession has been seted up on frame (11) the settling mouth (20) that the hydro-cylinder swing passes through.

3. A steel strip uncoiler according to claim 2, wherein: the one end of drive roller (13) has set firmly driven pulley (16), set firmly driving motor (15) on pendulum platform (12), driving motor's (15) output has set firmly driving pulley (17), driven pulley (16) with driving pulley (17) pass through belt transmission and connect.

4. A steel strip uncoiler according to claim 3, wherein: the periphery of the driving roller (13) is fixedly provided with anti-skidding convex ribs (14).

5. A steel strip uncoiler according to claim 4, wherein: frame (11) are gone up and are set firmly first deflector (21) and second deflector (22) relatively, the lower terminal surface of pendulum platform (12) in drive roller (13) with be equipped with elevating platform (23) between first deflector (21), it is provided with guide roll (24) to rotate on elevating platform (23), elevating platform (23) transmission is connected with lift cylinder (25).

6. A steel strip uncoiler according to claim 1, wherein: the supporting roller is characterized in that a sliding groove (7) is formed in the bottom plate (1), the length direction of the sliding groove (7) is consistent with the moving direction of the supporting seat (2), the bottom of the supporting seat (2) is connected with the sliding groove (7) in a sliding mode, and the supporting seat (2) faces away from one side of the supporting roller (6) and is connected with a horizontal oil cylinder (8) in a transmission mode.

7. A steel strip uncoiler according to claim 1, wherein: the top of the supporting seat (2) is fixedly provided with two side brackets (9), and the side brackets (9) are rotatably provided with side retaining rollers (10).