CN214290092U - Stable-rotation uncoiler - Google Patents

Abstract

The utility model discloses a stable-rotation uncoiler, which relates to the technical field of uncoiling equipment and comprises a base, wherein a rotating shaft frame and a fixed frame are fixedly arranged on the base, a rotating ring is rotatably arranged on the rotating shaft frame, a rotating shaft is arranged in the rotating ring in a sliding manner, a driving ring in threaded fit with the rotating shaft is arranged in the rotating ring in a rotating manner, an outer gear is formed outside the driving ring, a first motor is fixedly arranged on the rotating ring, and a driving gear meshed with the outer gear is fixedly arranged at the shaft end of the first motor; a plurality of guide grooves are formed on the rotating shaft, and a plurality of guide blocks which are in sliding fit with the guide grooves are fixedly arranged on the inner side of the rotating ring; the rotating shaft is provided with a tensioning mechanism, the fixed frame is rotatably provided with a driven ring, and the driven ring is provided with a clamping mechanism. The utility model provides a stable decoiler rotates of stable, the high and convenient use of life of decoiling.

Description

Stable-rotation uncoiler

Technical Field

The utility model relates to an uncoiling apparatus technical field especially relates to a stable decoiler rotates.

Background

The C-shaped steel is automatically processed and formed by a C-shaped steel forming machine. The steel plate is formed by cold bending of a hot rolled plate, has thin wall, light weight, excellent section performance and high strength, and can save 30 percent of materials with the same strength compared with the traditional channel steel. C-section steel is continuously formed from a relatively long strip of steel, which is typically formed into a coil for ease of transportation and storage, so that the coil is first unwound to produce the C-section steel.

The utility model discloses a current utility model patent that authorizes bulletin number is CN211191461U discloses a punch press belted steel blowing frame, the load simulator comprises a case, it is connected with the pivot to rotate on the machine case, the pivot is the cavity setting, the one end that the quick-witted case was kept away from in the pivot is installed to the servo motor, servo motor rotates and is connected with first threaded rod, first threaded rod is located the axis of pivot, sliding connection has sliding sleeve on the surface of pivot, it is a plurality of with first threaded rod screw-thread fit's rack to be provided with on the sliding sleeve's the inner wall, welded fastening has the mounting panel a plurality of on the sliding sleeve, it has a plurality of connecting rods to articulate on the mounting panel, the one end that the mounting panel was kept away from to the connecting rod articulates there is the fixed column, the one side welding that the fixed column deviates from the connecting rod has the backup pad, be provided with the fender dish in the pivot, it is a plurality of spouts a plurality of to open on the fender dish, the fixed column is provided with bayonet joint towards the one end of spout sliding fit.

Adopt above-mentioned technical scheme, place the steel band coil on the pivot, then the pivot is rotated and is opened a book the steel band under driving motor's drive. However, in the uncoiling process of the steel strip coil, one end of the rotating shaft is suspended, and the rotating shaft bears a very large bending moment under the action of gravity of the steel strip coil, so that the rotating shaft is easy to bend or break, the output stability of the steel strip is influenced, and the service life of the uncoiler is also influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stable decoiler rotates can receive effectual support at the both ends of rolling up the in-process rotating shaft of decoiling to the steel band book, avoids the axis of rotation to lead to the too big crooked or fracture that causes the axis of rotation of epaxial moment of bending because of one end is unsettled, guarantees the output stability of steel band, improves the life of decoiler.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a stable-rotation uncoiler comprises a base, wherein a rotating shaft frame and a fixed frame are fixedly arranged on the base, a rotating ring is rotatably arranged on the rotating shaft frame, a rotating shaft is slidably arranged in the rotating ring, a driving ring in threaded fit with the rotating shaft is rotatably arranged in the rotating ring, an external gear is formed outside the driving ring, a first motor is fixedly arranged on the rotating ring, and a driving gear meshed with the external gear is fixedly arranged at the shaft end of the first motor; a plurality of guide grooves are formed in the rotating shaft, and a plurality of guide blocks which are in sliding fit with the guide grooves are fixedly arranged on the inner side of the rotating ring; the rotating shaft is provided with a tensioning mechanism, the fixing frame is rotatably provided with a driven ring, and the driven ring is provided with a clamping mechanism.

Through adopting above-mentioned technical scheme, the one end that the axis of rotation is close to the mount is by fixture centre gripping, at the in-process of opening a book the both ends of axis of rotation all have stable support, avoid the axis of rotation to lead to the bending or the fracture of axis of rotation epaxial moment of bending to cause because of one end is unsettled, guarantee the output stability of steel band, improve the life of decoiler. When the uncoiler is used for changing materials, the clamping mechanism loosens the rotating shaft, the driving gear drives the driving ring to rotate under the driving of the first motor, and the rotating shaft is axially far away from the fixing frame due to the limiting effect of the guide block and the guide groove, so that the space between the rotating shaft frame and the fixing frame is finally left to facilitate the feeding. During feeding, a steel strip coil is arranged between the rotating shaft frame and the fixing frame, then the rotating shaft moves towards the fixing frame under the driving of the first motor and penetrates through a center hole of the steel strip coil, and after the rotating shaft is stably clamped by the clamping mechanism, the tensioning mechanism tensions the steel strip coil to complete the feeding process.

The utility model discloses further set up to: the tensioning mechanism comprises a second motor fixedly arranged at one end of the rotating shaft, which is far away from the fixed frame, a first threaded rod rotationally connected with the rotating shaft is fixedly arranged at the end of the second motor, two sleeves are connected to the first threaded rod in a threaded manner, the rotating directions of internal threads on the two sleeves are opposite, a plurality of pairs of connecting rods are hinged to the two sleeves, and a tensioning rod is hinged between each pair of connecting rods; the rotating shaft is provided with a plurality of limiting grooves in a forming mode, and the connecting rod is located in the limiting grooves.

Through adopting above-mentioned technical scheme first threaded rod rotates, two in the axis of rotation under the drive of second motor when the sleeve is close to each other under the drive of first threaded rod, the connecting rod will make the tensioning lever keep away from first threaded rod to carry out the tensioning to the steel band book. When two the sleeve deviates from each other under the drive of first threaded rod, do not have the connecting rod makes the tensioning lever be close to first threaded rod and withdraw the spacing inslot. This kind of mode can realize the effective tensioning to the steel band book, simultaneously the tensioning rod can withdraw the spacing inslot, and the axis of rotation of being convenient for shifts out from between mount and the pivot frame.

The utility model discloses further set up to: the clamping mechanism comprises a plurality of fixed blocks connected with the driven ring in a sliding manner, and guide rods are fixedly arranged on the fixed blocks; the driven ring is rotatably provided with an adjusting ring, a plurality of divergent spiral grooves are formed in the adjusting ring, and a worm wheel is fixedly arranged on the outer side of the adjusting ring; and a third motor is fixedly arranged on the driven ring, a worm which is rotatably connected with the driven ring is fixedly arranged at the shaft end of the third motor, and the worm is meshed with the worm wheel.

By adopting the technical scheme, the adjusting ring rotates under the driving of the third motor, and the fixed block is limited by the driven ring and can only move along the radial direction of the driven ring under the pushing of the spiral groove, so that the rotating shaft in the driven ring is clamped.

The utility model discloses further set up to: a first stop groove is formed in the outer side of the rotating ring, a first air cylinder is fixedly arranged on the rotating shaft frame, and a first stop block which is in embedded fit with the first stop groove is fixedly arranged at the piston rod end of the first air cylinder; the outside shaping of driven ring has the second to stop the groove, fixed being provided with the second cylinder on the mount, the piston rod end of second cylinder is fixed be provided with the second stop groove inlay establish the complex second and stop the piece.

By adopting the technical scheme, the first stop block is embedded into the first stop groove under the driving of the first air cylinder, so that the rotating ring cannot rotate freely; the second stop block moves in the same manner as the first stop block. Through the mode, the rotating ring and the driven ring can be fixed when the uncoiler is used for feeding, so that the rotating shaft can be conveniently moved out from the position between the fixed frame and the rotating shaft frame, and the stability of the uncoiler in use is effectively improved.

The utility model discloses further set up to: electrode contacts are arranged on the surfaces of the first stopping block and the second stopping block and on the inner walls of the first stopping groove and the second stopping groove, and the first motor and the third motor are communicated with the corresponding electrode contacts.

By adopting the technical scheme, the first motor and the third motor are both switched on while the rotating ring and the driven ring are fixed, and the first motor and the third motor are both in a disconnected state in the working process of the uncoiler. The mode can realize the power supply of the first motor and the third motor when in need, and simultaneously can ensure the stability of the power supply.

The utility model discloses further set up to: the side of the rotating ring far away from the fixing frame is formed with a control groove, one end of the rotating shaft far away from the fixing frame is formed with a flange, and the flange is embedded and matched with the control groove.

By adopting the technical scheme, the flange can limit the rotating shaft, so that the rotating shaft is prevented from moving excessively, and the reliability of the uncoiler is improved.

The utility model discloses further set up to: a supporting device is arranged between the fixed frame and the rotating shaft frame, the supporting device comprises a supporting seat which is connected with the fixed frame and the rotating shaft frame in a sliding manner, and a supporting roller is rotatably arranged on the supporting seat; and a lifting mechanism is arranged below the supporting seat.

Through adopting above-mentioned technical scheme, when right the decoiler carries out the material loading, can arrange the coil of strip in earlier on strutting arrangement, the work of very big convenient material loading. Meanwhile, in the uncoiling process of the uncoiler, the supporting seat is driven by the lifting mechanism to ascend along with the reduction of the diameter of the steel strip coil, so that the steel strip coil is stably supported, the pressure on the rotating shaft is reduced, and the uncoiling stability of the uncoiler is further improved.

The utility model discloses further set up to: the lifting mechanism comprises a fourth motor connected with the fixed frame and the rotating shaft frame in a sliding mode, a second threaded rod is fixedly arranged at the end of the fourth motor, two moving blocks are connected to the second threaded rod in a threaded mode, a first supporting rod and a second supporting rod are hinged to the moving blocks, one end, far away from the moving blocks, of the first supporting rod is hinged to the base, and one end, far away from the moving blocks, of the second supporting rod is hinged to the supporting seat.

By adopting the technical scheme, the second threaded rod rotates under the driving of the fourth motor, and when the two moving blocks are close to each other under the driving of the second threaded rod, the supporting seat is lifted by the transmission of the supporting rod.

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

(1) the fixing frame and the rotating shaft frame are used for effectively supporting two ends of the rotating shaft in the uncoiling process of the steel strip coil, so that the phenomenon that the rotating shaft is bent or broken due to overlarge bending moment on the rotating shaft caused by suspension of one end of the rotating shaft is avoided, the output stability of the steel strip is ensured, and the service life of the uncoiler is prolonged;

(2) the flange is used for limiting the rotating shaft, so that the rotating shaft is prevented from moving excessively, and the reliability of the uncoiler is improved;

(3) utilize strutting arrangement to carry out supplementary material loading to this decoiler, effectively improve this decoiler's use convenience.

Drawings

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

FIG. 2 is a cross-sectional view of an embodiment of the present invention taken along the centerline;

fig. 3 is a schematic structural diagram of a rotating shaft according to an embodiment of the present invention, which mainly shows the structure of the rotating shaft;

fig. 4 is an exploded view of a clamping mechanism according to an embodiment of the present invention, which mainly shows the structure of the clamping mechanism.

Reference numerals: 1. a base; 2. a spindle bracket; 3. a fixed mount; 4. a rotating ring; 5. a first stop groove; 6. a first cylinder; 7. a first stop block; 8. a rotating shaft; 9. a guide groove; 10. a guide block; 11. a drive ring; 12. an outer gear; 13. A first motor; 14. a drive gear; 15. a control slot; 16. a flange; 17. a second motor; 18. a first threaded rod; 19. A sleeve; 20. a connecting rod; 21. a tension rod; 22. a limiting groove; 23. a driven ring; 24. a second stop groove; 25. a second cylinder; 26. a second stop block; 27. a fixed block; 28. a sliding block; 29. a sliding groove; 30. a guide bar; 31. an adjusting ring; 32. a helical groove; 33. a worm gear; 34. a third motor; 35. a worm; 36. a supporting seat; 37. a support roller; 38. a fourth motor; 39. a second threaded rod; 40. a moving block; 41. a support rod.

Detailed Description

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

Referring to the attached drawings 1 and 2, the stable-rotation uncoiler comprises a base 1, wherein a rotating shaft frame 2 and a fixing frame 3 are fixedly arranged on the base 1, a rotating ring 4 is rotatably arranged on the rotating shaft frame 2, a first stopping groove 5 is formed in the outer side of the rotating ring 4, a first air cylinder 6 is fixedly arranged on the rotating shaft frame 2, and a first stopping block 7 which is matched with the first stopping groove 5 in an embedded mode is fixedly arranged at the end of a piston rod of the first air cylinder 6. The rotating shaft 8 is arranged in the rotating ring 4 in a sliding mode, and with reference to the attached drawing 3, three guide grooves 9 are formed in the rotating shaft 8, and three guide blocks 10 which are in sliding fit with the guide grooves 9 are fixedly arranged on the inner side of the rotating ring 4. A driving ring 11 is rotationally arranged in the rotating ring 4, an external gear 12 is molded outside the driving ring 11, a first motor 13 is fixedly arranged on the rotating ring 4, and a driving gear 14 meshed with the external gear 12 is fixedly arranged at the shaft end of the first motor 13. The outside of the rotating shaft 8 is formed with a thread, and the inside of the driving ring 11 is formed with an internal thread which is in threaded engagement with the thread on the rotating shaft 8. When the driving gear 14 is driven by the first motor 13 to rotate, the rotating ring 4 is driven to rotate, and the rotating ring 4 rotates to linearly move the rotating shaft 8 along the axial direction of the rotating shaft 8. A control groove 15 is formed in one side, away from the fixed frame 3, of the rotating ring 4, a flange 16 is formed at one end, away from the fixed frame 3, of the rotating shaft, and the flange 16 is embedded and matched with the control groove 15.

Referring to the attached drawing 2, a tensioning mechanism is arranged on the rotating shaft 8, the tensioning mechanism comprises a second motor 17 fixedly arranged at one end of the rotating shaft 8 far away from the fixed frame 3, a first threaded rod 18 rotatably connected with the rotating shaft 8 is fixedly arranged at the shaft end of the second motor 17, two sleeves 19 are in threaded connection with the first threaded rod 18, the internal threads on the two sleeves 19 are opposite in rotating direction, three connecting rods 20 are hinged on the two sleeves 19, and a tensioning rod 21 is hinged between the ends of the corresponding connecting rods 20 far away from the sleeves 19; three limiting grooves 22 are formed on the rotating shaft 8 along the axial direction of the rotating shaft, and the connecting rod 20 is positioned in the limiting grooves 22. The first threaded rod 18 is driven by the second motor 17 to rotate so that the two sleeves 19 are close to or away from each other at the same time, and when the two sleeves 19 are close to each other, the connecting rod 20 pushes the tension rod 21 to move towards the direction outside the rotating shaft 8 so as to tension the steel belt roll sleeved outside the rotating shaft 8.

Referring to fig. 2, a driven ring 23 is rotatably disposed on the fixed frame 3, and with reference to fig. 3, a second stop groove 24 is formed on the outer side of the driven ring 23, a second cylinder 25 is fixedly disposed on the fixed frame 3, and a second stop block 26 that is fitted with the second stop groove 24 is fixedly disposed at a piston rod end of the second cylinder 25. The driven ring 23 is provided with a clamping mechanism, the clamping mechanism comprises a plurality of fixing blocks 27, sliding blocks 28 are formed on one sides of the fixing blocks 27, a plurality of sliding grooves 29 extending along the radial direction of the driven ring 23 are formed on the driven ring 23, and the sliding blocks 28 can slide in the sliding grooves 29 along the extending direction of the sliding grooves 29. A guide rod 30 is fixedly arranged on one side of the fixed block 27 far away from the sliding block 28; an adjusting ring 31 is rotatably arranged on the driven ring 23, a plurality of divergent spiral grooves 32 are formed on the adjusting ring 31, and a worm wheel 33 is fixedly arranged on the outer side of the adjusting ring 31; a third motor 34 is fixedly arranged on the driven ring 23, a worm 35 which is rotatably connected with the driven ring 23 is fixedly arranged at the shaft end of the third motor 34, and the worm 35 is meshed with the worm wheel 33. The adjusting ring 31 is driven by the third motor 34 and driven by the worm 35 of the worm wheel 33, the spiral groove 32 on the adjusting ring 31 pushes the fixed block 27 to move along the radial direction of the driven ring 23, and when the fixed block 27 moves along the radial direction of the driven ring 23 to the axial direction of the driven ring 23, the fixed ring can clamp the rotating shaft 8.

Referring to fig. 1 and fig. 2, a supporting device is disposed between the fixed frame 3 and the rotating shaft frame 2, the supporting device includes a supporting seat 36, two supporting rollers 37 are rotatably disposed on the supporting seat 36, and a lifting mechanism is disposed below the supporting seat 36. The lifting mechanism comprises a fourth motor 38 fixedly arranged on the base 1, a second threaded rod 39 rotatably connected with the base 1 is fixedly arranged at the shaft end of the fourth motor 38, two moving blocks 40 are in threaded connection with the second threaded rod 39, the two moving blocks 40 are connected with the base 1 in a sliding mode, and the sliding direction of the two moving blocks 40 is the same as the width direction of the base 1. The internal threads of the two moving blocks 40 are oppositely threaded. Two supporting rods 41 are hinged to the moving block 40, and one end, away from the moving block 40, of each supporting rod 41 is hinged to the base 1. When the second threaded rod 39 is driven by the fourth motor 38 to rotate, the two moving blocks 40 will approach or separate from each other at the same time, and when the two moving blocks 40 approach at the same time, the supporting seat 36 is pushed by the supporting rod 41 to move upwards.

Two electrode contacts are fixedly arranged on the first stop block 7 and the second stop block 26, and the electrode contacts on the first stop block 7 and the second stop block 26 are communicated with a power supply. Electrode contacts are fixed on the inner walls of the two sides of the first stopping groove 5 and the second stopping groove 24, and the first motor 13 and the third motor 34 are communicated with the corresponding electrode contacts.

The working principle of the embodiment is as follows: when the uncoiler is used for coil changing, the clamping mechanism loosens the rotating shaft 8, the driving gear 14 drives the driving ring 11 to rotate under the driving of the first motor 13, and the rotating shaft 8 which is in threaded fit with the driving ring 11 is driven by the driving ring 11 to move in the direction away from the fixed frame 3 until the rotating shaft 8 exits the space between the fixed frame 3 and the rotating shaft frame 2. At this moment, the steel strip coil is hoisted and placed on the supporting device, then the first motor 13 rotates reversely to enable the rotating shaft 8 to move towards the direction of the fixing frame 3 and penetrate through a center hole of the steel strip coil, and after the rotating shaft 8 is stably clamped by the clamping mechanism, the tensioning mechanism tensions the steel strip coil to complete the feeding process. In this decoiler process of opening a book, mount 3 all provides stable support with pivot frame 2 to the both ends of axis of rotation 8, and the strutting arrangement below the steel band book shares some pressure in the axis of rotation 8 simultaneously, avoids axis of rotation 8 to lead to the too big bending or the fracture of causing axis of rotation 8 of moment of torsion in the axis of rotation 8 because of one end is unsettled, guarantees the output stability of steel band, improves the life of decoiler.

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 (8)

1. The utility model provides a stable in rotation's decoiler, includes base (1), its characterized in that: a rotating shaft frame (2) and a fixed frame (3) are fixedly arranged on the base (1), a rotating ring (4) is rotatably arranged on the rotating shaft frame (2), a rotating shaft (8) is slidably arranged in the rotating ring (4), a driving ring (11) in threaded fit with the rotating shaft (8) is rotatably arranged in the rotating ring (4), an external gear (12) is formed outside the driving ring (11), a first motor (13) is fixedly arranged on the rotating ring (4), and a driving gear (14) meshed with the external gear (12) is fixedly arranged at the shaft end of the first motor (13); a plurality of guide grooves (9) are formed in the rotating shaft (8), and a plurality of guide blocks (10) which are in sliding fit with the guide grooves (9) are fixedly arranged on the inner side of the rotating ring (4); the tensioning mechanism is arranged on the rotating shaft (8), the driven ring (23) is arranged on the fixing frame (3) in a rotating mode, and the clamping mechanism is arranged on the driven ring (23).

2. A rotationally stabilized unwinder as claimed in claim 1, wherein: the tensioning mechanism comprises a second motor (17) fixedly arranged at one end, far away from the fixed frame (3), of the rotating shaft (8), a first threaded rod (18) rotatably connected with the rotating shaft (8) is fixedly arranged at the shaft end of the second motor (17), two sleeves (19) are in threaded connection with the first threaded rod (18), a plurality of pairs of connecting rods (20) are hinged to the two sleeves (19), and a tensioning rod (21) is hinged between each pair of connecting rods (20); a plurality of limiting grooves (22) are formed in the rotating shaft (8), and the connecting rod (20) is located in the limiting grooves (22).

3. A rotationally stabilized unwinder as claimed in claim 1, wherein: the clamping mechanism comprises a plurality of fixed blocks (27) connected with the driven ring (23) in a sliding manner, and guide rods (30) are fixedly arranged on the fixed blocks (27); an adjusting ring (31) is rotatably arranged on the driven ring (23), a plurality of divergent spiral grooves (32) are formed on the adjusting ring (31), and a worm wheel (33) is fixedly arranged on the outer side of the adjusting ring (31); a third motor (34) is fixedly arranged on the driven ring (23), a worm (35) rotationally connected with the driven ring (23) is fixedly arranged at the shaft end of the third motor (34), and the worm (35) is meshed with the worm wheel (33).

4. A rotationally stabilized unwinder as claimed in claim 1, wherein: a first stop groove (5) is formed in the outer side of the rotating ring (4), a first air cylinder (6) is fixedly arranged on the rotating shaft frame (2), and a first stop block (7) which is matched with the first stop groove (5) in an embedded mode is fixedly arranged at the piston rod end of the first air cylinder (6); the outside shaping of driven ring (23) has second and stops groove (24), fixed second cylinder (25) that is provided with on mount (3), the piston rod end of second cylinder (25) is fixed be provided with second and stops groove (24) and inlay and establish complex second and stop piece (26).

5. A rotationally stabilized unwinder as claimed in claim 4, wherein: electrode contacts are arranged on the surfaces of the first stop block (7) and the second stop block (26) and the inner walls of the first stop groove (5) and the second stop groove (24).

6. A rotationally stabilized unwinder as claimed in claim 1, wherein: one side shaping that mount (3) were kept away from in rotating ring (4) has control groove (15), the one end shaping that mount (3) were kept away from in the pivot has flange (16), flange (16) are inlayed with control groove (15) and are established the cooperation.

7. A rotationally stabilized unwinder as claimed in claim 1, wherein: a supporting device is arranged between the fixed frame (3) and the rotating shaft frame (2), the supporting device comprises a supporting seat (36) which is connected with the fixed frame (3) and the rotating shaft frame (2) in a sliding manner, and a supporting roller (37) is rotatably arranged on the supporting seat (36); and a lifting mechanism is arranged below the supporting seat (36).

8. A rotationally stabilized unwinder as claimed in claim 7, wherein: the lifting mechanism comprises a fourth motor (38) fixedly connected with the base (1), a second threaded rod (39) rotatably connected with the base (1) is fixedly arranged at the shaft end of the fourth motor (38), two moving blocks (40) connected with the base (1) in a sliding mode are in threaded connection with the second threaded rod (39), supporting rods (41) are hinged to the moving blocks (40), and one ends, far away from the moving blocks (40), of the supporting rods (41) are hinged to the supporting seat (36).

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