CN213037182U

CN213037182U - Angle-adjustable winding and unwinding device

Info

Publication number: CN213037182U
Application number: CN202021637897.6U
Authority: CN
Inventors: 韩正财; 郝二华; 韩正军; 丁召辉
Original assignee: Kunshan Hanteon Metal Products Co ltd
Current assignee: Kunshan Hanteon Metal Products Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-04-23
Anticipated expiration: 2030-08-07

Abstract

The utility model relates to the technical field of mechanical equipment, in particular to an angle-adjustable winding and unwinding device, which can timely correct a winding roller after a thin steel plate inclines when being wound to the winding roller by arranging the device, thereby avoiding the thin steel plate from being damaged; including the bottom plate, the groove rotates, ring rail, the multiunit slider, the multiunit bracing piece, outer ring gear, two sets of first motors, two sets of first pivots, two sets of gears, two sets of backup pads, the second pivot, the wind-up roll, well accuse case and bow rack, it is located the bottom plate top to rotate the trench, ring rail installs and rotates the inslot side, the multiunit slider is installed respectively on the multiunit bracing piece, but power device is connected with second pivot front end transmission, well accuse case is installed and is being rotated groove top right side, well accuse case is connected with two sets of first motors and power device electricity, the outside at two sets of backup pads is installed to the bow rack, the bow rack inboard is provided with two sets of detection device, two sets of detection device and wind-.

Description

Angle-adjustable winding and unwinding device

Technical Field

The utility model relates to a mechanical equipment's technical field especially relates to an angularly adjustable winding and unwinding devices.

Background

As is well known, a method generally used for rolling up a steel sheet is to roll up the steel sheet onto a take-up roll; however, in the use of rolling up the steel sheet on the take-up roll, it is found that the steel sheet is highly liable to be inclined during rolling up on the take-up roll, thereby causing damage to the steel sheet.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a slope back appears when the rolling to the wind-up roll when the sheet steel, can in time go back just to the wind-up roll to avoid the angularly adjustable winding and unwinding devices that the damage appears in the sheet steel.

The utility model relates to an angle adjustable coiling and uncoiling device, which comprises a bottom plate, a rotating groove, an annular guide rail, a plurality of groups of sliders, a plurality of groups of support rods, an outer toothed ring, two groups of first motors, two groups of first rotating shafts, two groups of gears, two groups of support plates, a second rotating shaft, a coiling roller, a central control box and a bow-shaped frame, wherein the rotating groove is positioned above the bottom plate, the annular guide rail is arranged at the inner side of the rotating groove, the plurality of groups of sliders are respectively arranged on the plurality of groups of support rods, the plurality of groups of sliders are slidably connected with the annular guide rail, the plurality of groups of support rods are arranged at the top end of the bottom plate, the outer toothed ring is arranged at the upper side inside the rotating groove, the two groups of first motors are arranged at the top end of the bottom plate, the bottom ends of the two groups of first rotating, the rotatable installation of second pivot is in two sets of backup pads, and the front end of front side backup pad is provided with power device, but power device and second pivot front end transmission are connected, and the wind-up roll is installed in the second pivot, and well accuse case is installed and is rotated groove top right side, and well accuse case is connected with two sets of first motors and power device electricity, and the bow-shaped frame is installed in the outside of two sets of backup pads, and the bow-shaped frame inboard is provided with two sets of detection device, two sets of detection device and wind-up roll contact.

The utility model discloses an angularly adjustable winding and unwinding devices, detection device is including detecting the storehouse, the pressure gauge, a spring, the sliding block, first slide bar and first gyro wheel, it installs at the bow-shaped frame inboard to detect the storehouse, the pressure gauge is installed on the inside right side in detection storehouse, the pressure gauge is connected with well accuse case electricity, the spring mounting is at the pressure gauge left end, the spring left end is connected with the sliding block right-hand member, the sliding block is located and detects the storehouse, first slide bar right-hand member passes and detects the storehouse left end and is connected with the sliding block left end, but first slide bar and detection storehouse sliding connection, first gyro wheel rotatable the installation on first slide bar, first gyro wheel and wind-up roll contact.

The utility model discloses an angularly adjustable winding and unwinding devices, power device include awl ring gear, second motor, third pivot and bevel gear, and the awl ring gear is installed at second pivot front end, and the second motor is installed at the front end of front side support board, and third pivot bottom is connected with second motor output, and bevel gear installs on third pivot top to bevel gear meshes with the awl ring gear mutually.

The utility model discloses an angularly adjustable winding and unwinding devices still includes two sets of cylinder push rods, two sets of second movable plates and two sets of splint, and two sets of cylinder push rods and two sets of second movable plates are rotatable respectively and install on bottom plate top left side and right side to two sets of cylinder push rods respectively with two sets of second movable plate rotatable coupling, two sets of splint are installed respectively at two sets of second movable plates inboardly.

The utility model relates to an angle adjustable coiling and uncoiling device, four groups of leveling devices are respectively arranged at the left front side, the right front side, the left rear side and the right rear side of the bottom plate bottom, each leveling device comprises two groups of supporting frames, a third motor, a screw rod, a screw sleeve, a connecting rod, a fixed sleeve, a second sliding rod and a second moving plate, the two groups of supporting frames are arranged at the bottom of the bottom plate, the third motor is arranged at the right end of the right supporting frame, the left end of the screw rod is rotatably arranged on the left supporting frame, the right end of the screw rod passes through the right supporting frame to be connected, and screw rod and right side support frame rotatable coupling, swivel nut and screw rod spiral shell dress are connected, and the connecting rod rotatable mounting is in the swivel nut bottom, and fixed cover is installed in the bottom plate bottom, but second slide bar and fixed cover sliding connection, and the second movable plate is installed in second slide bar bottom to second movable plate and connecting rod left side downside rotatable coupling.

The utility model discloses an angularly adjustable receive and releases rolling device, levelling device still include slide bar and sliding sleeve, and the slide bar is installed on two sets of support frames, sliding sleeve and slide bar sliding connection, and the sliding sleeve is installed at the swivel nut front end.

The utility model discloses an angularly adjustable winding and unwinding devices still includes four group's second gyro wheels, and four group's second gyro wheels are installed respectively in bottom plate bottom left front side, right front side, left rear side and right rear side.

The utility model discloses an angularly adjustable winding and unwinding devices still includes the guard shield, and the guard shield is installed at the front end of front side backup pad, includes awl ring gear, second motor, third pivot and bevel gear in the guard shield.

Compared with the prior art, the beneficial effects of the utility model are that: fixing one end of a thin steel plate on a winding roller, then opening a power device, enabling the power device to drive a second rotating shaft and the winding roller to rotate, enabling the winding roller to rotate to wind the thin steel plate on the winding roller, enabling two groups of detection devices to be in close contact with the thin steel plate wound on the winding roller, enabling the two groups of detection devices to detect pressure of the thin steel plate, when two groups of pressure values detected by the two groups of detection devices are different, indicating that a rotating groove inclines, opening two groups of first motors through a central control box, enabling the two groups of first rotating shafts to drive two groups of gears to rotate, enabling the two groups of gears to be meshed with an outer gear ring, enabling the outer gear ring to drive the rotating groove to rotate, enabling an annular guide rail to slide on a plurality of groups of sliding blocks, driving two groups of supporting plates to integrally rotate through the rotating groove, and indicating that the winding roller is turned back when the pressures detected by the two, thereby make the sheet steel rolling to the wind-up roll on, through setting up this equipment, appear inclining the back when the sheet steel rolling to the wind-up roll, can in time return the positive to the wind-up roll to avoid the sheet steel damage to appear.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged schematic view of the push rod of the cylinder of FIG. 1;

FIG. 3 is an enlarged schematic view of the bow of FIG. 1;

FIG. 4 is an enlarged schematic view of the connecting rod of FIG. 1;

in the drawings, the reference numbers: 1. a base plate; 2. a rotating groove; 3. an annular guide rail; 4. a slider; 5. a support bar; 6. an outer ring gear; 7. a first motor; 8. a first rotating shaft; 9. a gear; 10. a support plate; 11. a second rotating shaft; 12. a wind-up roll; 13. a central control box; 14. an arched frame; 15. a detection bin; 16. a pressure gauge; 17. a spring; 18. a slider; 19. a first slide bar; 20. a first roller; 21. a conical gear ring; 22. a second motor; 23. a third rotating shaft; 24. a bevel gear; 25. a cylinder push rod; 26. a first moving plate; 27. a splint; 28. a support frame; 29. a third motor; 30. a screw; 31. a threaded sleeve; 32. a connecting rod; 33. fixing a sleeve; 34. a second slide bar; 35. a second moving plate; 36. a slide bar; 37. a sliding sleeve; 38. a second roller; 39. a shield.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 4, the utility model relates to an angle adjustable winding and unwinding device, which comprises a bottom plate 1, a rotating groove 2, an annular guide rail 3, a plurality of groups of sliders 4, a plurality of groups of support rods 5, an outer toothed ring 6, two groups of first motors 7, two groups of first rotating shafts 8, two groups of gears 9, two groups of support plates 10, a second rotating shaft 11, a winding roller 12, a central control box 13 and a bow-shaped frame 14, wherein the rotating groove 2 is positioned above the bottom plate 1, the annular guide rail 3 is arranged at the inner side of the rotating groove 2, the plurality of groups of sliders 4 are respectively arranged on the plurality of groups of support rods 5, the plurality of groups of sliders 4 are all connected with the annular guide rail 3 in a sliding way, the plurality of groups of support rods 5 are arranged at the top end of the bottom plate 1, the outer toothed ring 6 is arranged at the upper side inside the rotating groove 2, the two groups of first motors 7, two groups of gears 9 are meshed with the outer toothed ring 6, two groups of supporting plates 10 are respectively arranged on the front side and the rear side of the top end of the rotating groove 2, a second rotating shaft 11 is rotatably arranged on the two groups of supporting plates 10, a power device is arranged at the front end of the front side supporting plate 10 and is in transmission connection with the front end of the second rotating shaft 11, a winding roller 12 is arranged on the second rotating shaft 11, a central control box 13 is arranged on the right side of the top end of the rotating groove 2, the central control box 13 is electrically connected with two groups of first motors 7 and the power device, an arched frame 14 is arranged on the outer side of the two groups of supporting plates 10, two groups of detection devices are arranged on the inner side of the arched frame; fixing one end of a thin steel plate on a winding roller 12, then opening a power device, enabling the power device to drive a second rotating shaft 11 and the winding roller 12 to rotate, enabling the winding roller 12 to rotate to wind the thin steel plate on the winding roller 12, enabling two groups of detection devices to be in close contact with the thin steel plate wound on the winding roller 12, enabling the two groups of detection devices to detect pressure of the thin steel plate, when two groups of pressure values detected by the two groups of detection devices are different, indicating that a rotating groove 2 inclines, opening two groups of first motors 7 through a central control box 13 to enable two groups of first rotating shafts 8 to drive two groups of gears 9 to rotate, enabling the two groups of gears 9 to be meshed with an outer toothed ring 6, enabling the outer toothed ring 6 to drive the rotating groove 2 to rotate, enabling an annular guide rail 3 to slide on a plurality of groups of sliding blocks 4, enabling the rotating groove 2 to rotate to drive two groups of supporting plates 10 to integrally rotate, and indicating that the, then the central control box 13 closes two sets of first motors 7 to make the sheet steel coil to the take-up roll 12 on, through setting up this equipment, after the slope appears when the sheet steel coil to the take-up roll 12, can in time just back to the take-up roll 12, thereby avoid the sheet steel to appear damaging.

The utility model discloses an angularly adjustable winding and unwinding devices, detection device is including detecting storehouse 15, pressure gauge 16, spring 17, sliding block 18, first slide bar 19 and first gyro wheel 20, it installs at bow-shaped frame 14 inboard to detect storehouse 15, pressure gauge 16 installs in the inside right side of detecting storehouse 15, pressure gauge 16 is connected with central control box 13 electricity, spring 17 installs in the pressure gauge 16 left end, the spring 17 left end is connected with sliding block 18 right end, sliding block 18 is located and detects storehouse 15, first slide bar 19 right end passes and detects storehouse 15 left end and is connected with sliding block 18 left end, first slide bar 19 and detection storehouse 15 slidable connection, first gyro wheel 20 rotatable mounting is on first slide bar 19, first gyro wheel 20 contacts with wind-up roll 12; after the thin steel plate is wound on the winding roller 12, the first roller 20 can be in contact with the wound thin steel plate, the thickness of the wound thin steel plate is increased, the thin steel plate can push the first roller 20 to move rightwards, the first roller 20 drives the first sliding rod 19 and the sliding block 18 to move rightwards, the sliding block 18 pushes the spring 17 to contract, the spring 17 is elastically deformed, the pressure gauge 16 detects the pressure of the spring 17, and when the pressure values detected by the two groups of pressure gauges 16 are different, the winding roller 12 is inclined, so that the winding roller 12 is conveniently adjusted, and the practicability is improved.

The utility model discloses an angularly adjustable winding and unwinding devices, power device include awl ring gear 21, second motor 22, third pivot 23 and bevel gear 24, awl ring gear 21 is installed at 11 front ends of second pivot, and second motor 22 is installed at the front end of front

side backup pad

10, and 23 bottom ends of third pivot are connected with second motor 22 output, and bevel gear 24 is installed at 23 top ends of third pivot to bevel gear 24 meshes with awl ring gear 21 mutually; by turning on the second motor 22, the third rotating shaft 23 drives the bevel gear 24 to rotate, the bevel gear 24 is meshed with the bevel gear ring 21, and the bevel gear ring 21 drives the second rotating shaft 11 to rotate, so as to provide power for the second rotating shaft 11, thereby playing a key role in rolling the thin steel plate.

The utility model discloses an angularly adjustable coiling and uncoiling device still includes two sets of cylinder push rods 25, two sets of second movable plates 26 and two sets of splint 27, and two sets of cylinder push rods 25 and two sets of second movable plates 26 are rotatable respectively and are installed on bottom plate 1 top left side and right side to two sets of cylinder push rods 25 are rotatable with two sets of second movable plates 26 respectively, and two sets of splint 27 are installed respectively in two sets of second movable plates 26 inboard; after the wind-up roll 12 returns to the right, two groups of cylinder push rods 25 are opened, so that the two groups of cylinder push rods 25 push two groups of second moving plates 26 to move inwards, the two groups of second moving plates 26 push two groups of clamping plates 27 to move inwards, and after the two groups of clamping plates 27 are contacted with the outer wall of the rotating groove 2 and clamp the rotating groove, the two groups of cylinder push rods 25 are closed, so that the whole rotating groove 2 can be fixed, and the movement of the rotating groove 2 is avoided.

The utility model discloses an angle adjustable coiling and uncoiling device, bottom plate 1 bottom left front side, right front side, left back side and right back side are provided with four groups of levelling devices respectively, the levelling device includes two sets of support frames 28, third motor 29, screw rod 30, swivel nut 31, connecting rod 32, fixed cover 33, second slide bar 34 and second movable plate 35, two sets of support frames 28 are installed in bottom plate 1 bottom, third motor 29 is installed at the right-hand member of right side support frame 28, the left end rotatable mounting of screw rod 30 is on left side support frame 28, the right end of screw rod 30 passes right side support frame 28 and is connected with the output of third motor 29, and screw rod 30 and right side support frame 28 rotatable coupling, swivel nut 31 and screw rod 30 spiral shell connect, connecting rod 32 rotatable mounting is in swivel nut 31 bottom, fixed cover 33 is installed in bottom plate 1 bottom, second slide bar 34 and fixed cover 33 slidable coupling, second movable plate 35 is installed in second slide bar 34 bottom, and the second moving plate 35 is rotatably connected to the lower left side of the connecting rod 32; by turning on the third motor 29, the screw 30 and the threaded sleeve 31 are screwed, the threaded sleeve 31 drives the connecting rod 32 to move, the connecting rod 32 drives the second moving plate 35 to move, and the second moving plate 35 enables the second sliding rod 34 to slide in the fixed sleeve 33, so that the whole bottom plate 1 is leveled, and the whole bottom plate 1 is kept in a horizontal state all the time.

The utility model discloses a coiling and uncoiling device with adjustable angle, the leveling device also comprises a sliding rod 36 and a sliding sleeve 37, the sliding rod 36 is arranged on two groups of supporting frames 28, the sliding sleeve 37 is connected with the sliding rod 36 in a sliding way, and the sliding sleeve 37 is arranged at the front end of a threaded sleeve 31; when the screw sleeve 31 moves, the sliding sleeve 37 slides on the sliding rod 36, so that the screw sleeve 31 can be guided.

The utility model discloses an angle adjustable coiling and uncoiling device, which also comprises four groups of second rollers 38, wherein the four groups of second rollers 38 are respectively arranged at the left front side, the right front side, the left rear side and the right rear side of the bottom end of the bottom plate 1; by arranging the second roller 38, the whole bottom plate 1 can be moved conveniently, and convenience is improved.

The utility model discloses an adjustable angle receive and releases the coiling apparatus, still include the guard shield 39, the guard shield 39 is installed in the front end of the front side backup pad 10, include the bevel gear ring 21, the second motor 22, the third spindle 23 and the bevel gear 24 in the guard shield 39; by arranging the shield 39, the bevel gear ring 21, the second motor 22, the third rotating shaft 23 and the bevel gear 24 can be protected, so that the service life of equipment in the shield 39 is prolonged.

The utility model relates to an angle adjustable coiling and uncoiling device, it is at work, at first fix one end of sheet steel on wind-up roll 12, then open second motor 22, make third pivot 23 drive bevel gear 24 and rotate, bevel gear 24 then meshes with awl ring gear 21, awl ring gear 21 then drives second pivot 11 and wind-up roll 12 and rotates, wind-up roll 12 rotates and coils sheet steel to wind on wind-up roll 12, first gyro wheel 20 in two sets of detection device will contact with the sheet steel after the rolling, because the more the sheet steel is coiled is about thick, the sheet steel will promote first gyro wheel 20 to move to the right, first gyro wheel 20 then drives first slide bar 19 and sliding block 18 to move to the right, 18 then promotes spring 17 and contracts, spring 17 takes place elastic deformation, 16 then detects the pressure gauge of spring 17, when the pressure gauge 16 in two sets of detection device detects the pressure value that the pressure gauge 16 detects is different, the wind-up roll 12 is inclined, then the two groups of first motors 7 are opened through the central control box 13, the two groups of first rotating shafts 8 drive the two groups of gears 9 to rotate, the two groups of gears 9 are meshed with the outer gear ring 6, the outer gear ring 6 drives the rotating groove 2 to rotate, the annular guide rail 3 slides on the plurality of groups of slide blocks 4, the rotating groove 2 drives the two groups of support plates 10 to integrally rotate, when the pressures detected by the pressure gauges 16 in the two groups of detection devices are the same, the winding roller 12 is back to the right, then the central control box 13 turns off the two sets of first motors 7 and simultaneously turns on the two sets of cylinder push rods 25, so that the two sets of cylinder push rods 25 push the two sets of second moving plates 26 to move inwards, the two sets of second moving plates 26 push the two sets of clamping plates 27 to move inwards, when the two groups of clamping plates 27 contact with the outer wall of the rotating groove 2 and clamp the outer wall, the two groups of cylinder push rods 25 are closed, and therefore the thin steel plate is wound on the winding roller 12.

The angle-adjustable reeling device of the utility model adopts a common mechanical mode, such as an installation mode, a connection mode or a setting mode, and can be implemented as long as the beneficial effects are achieved; the utility model discloses an angularly adjustable receive and releases first motor 7 of rolling up device, well accuse case 13, pressure gauge 16, second motor 22, cylinder push rod 25 and third motor 29 for purchase on the market, this industry technical staff only need according to its subsidiary instructions install and operate can.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. An angle-adjustable coiling and uncoiling device is characterized by comprising a bottom plate (1), a rotating groove (2), an annular guide rail (3), a plurality of groups of sliding blocks (4), a plurality of groups of supporting rods (5), an outer toothed ring (6), two groups of first motors (7), two groups of first rotating shafts (8), two groups of gears (9), two groups of supporting plates (10), a second rotating shaft (11), a coiling roller (12), a central control box (13) and an arched frame (14), wherein the rotating groove (2) is positioned above the bottom plate (1), the annular guide rail (3) is arranged on the inner side of the rotating groove (2), the plurality of groups of sliding blocks (4) are respectively arranged on the plurality of groups of supporting rods (5), the plurality of groups of sliding blocks (4) are all in sliding connection with the annular guide rail (3), the plurality of groups of supporting rods (5) are arranged at the top end of the bottom plate (1), the outer toothed ring (6) is arranged on the inner upper, the bottom ends of two groups of first rotating shafts (8) are connected with the output ends of two groups of first motors (7), two groups of gears (9) are arranged at the top ends of the two groups of first rotating shafts (8), the two groups of gears (9) are meshed with the outer toothed ring (6), two groups of supporting plates (10) are respectively arranged at the front side and the rear side of the top end of the rotating groove (2), a second rotating shaft (11) is rotatably arranged on the two groups of supporting plates (10), the front end of the front side supporting plate (10) is provided with a power device which is in transmission connection with the front end of the second rotating shaft (11), a winding roller (12) is arranged on the second rotating shaft (11), a central control box (13) is arranged at the right side of the top end of the rotating groove (2), the central control box (13) is electrically connected with the two groups of first motors (7) and the power device, an arch-shaped frame (14) is arranged at the outer side of the, the two groups of detection devices are contacted with the winding roller (12).

2. The winding and unwinding device with adjustable angle as claimed in claim 1, wherein the detecting device comprises a detecting chamber (15), a pressure gauge (16), a spring (17), a sliding block (18), a first sliding rod (19) and a first roller (20), the detecting chamber (15) is installed inside the bow-shaped frame (14), the pressure gauge (16) is installed on the right side inside the detecting chamber (15), the pressure gauge (16) is electrically connected with the central control box (13), the spring (17) is installed at the left end of the pressure gauge (16), the left end of the spring (17) is connected with the right end of the sliding block (18), the sliding block (18) is located inside the detecting chamber (15), the right end of the first sliding rod (19) passes through the left end of the detecting chamber (15) to be connected with the left end of the sliding block (18), the first sliding rod (19) is slidably connected with the detecting chamber (15), the first roller (20) is rotatably installed on the first sliding rod (19), the first roller (20) is in contact with the wind-up roll (12).

3. The winding and unwinding device with adjustable angle as claimed in claim 2, wherein the power device comprises a bevel gear ring (21), a second motor (22), a third rotating shaft (23) and a bevel gear (24), the bevel gear ring (21) is installed at the front end of the second rotating shaft (11), the second motor (22) is installed at the front end of the front support plate (10), the bottom end of the third rotating shaft (23) is connected with the output end of the second motor (22), the bevel gear (24) is installed at the top end of the third rotating shaft (23), and the bevel gear (24) is engaged with the bevel gear ring (21).

4. The adjustable-angle winding and unwinding device according to claim 3, further comprising two sets of cylinder push rods (25), two sets of first moving plates (26) and two sets of clamping plates (27), wherein the two sets of cylinder push rods (25) and the two sets of first moving plates (26) are rotatably mounted on the left side and the right side of the top end of the bottom plate (1) respectively, the two sets of cylinder push rods (25) are rotatably connected with the two sets of first moving plates (26) respectively, and the two sets of clamping plates (27) are mounted on the inner sides of the two sets of first moving plates (26) respectively.

5. The winding and unwinding device with adjustable angle as claimed in claim 4, wherein four leveling devices are respectively disposed at the left front side, the right front side, the left rear side and the right rear side of the bottom end of the base plate (1), the leveling devices comprise two sets of supporting frames (28), a third motor (29), a screw rod (30), a threaded sleeve (31), a connecting rod (32), a fixed sleeve (33), a second sliding rod (34) and a second moving plate (35), the two sets of supporting frames (28) are mounted at the bottom end of the base plate (1), the third motor (29) is mounted at the right end of the right supporting frame (28), the left end of the screw rod (30) is rotatably mounted on the left supporting frame (28), the right end of the screw rod (30) passes through the right supporting frame (28) to be connected with the output end of the third motor (29), the screw rod (30) is rotatably connected with the right supporting frame (28), the threaded sleeve (31) is threadedly connected with, the connecting rod (32) can be rotatably installed at the bottom end of the threaded sleeve (31), the fixing sleeve (33) is installed at the bottom end of the bottom plate (1), the second sliding rod (34) is slidably connected with the fixing sleeve (33), the second moving plate (35) is installed at the bottom end of the second sliding rod (34), and the second moving plate (35) is rotatably connected with the left lower side of the connecting rod (32).

6. The adjustable angle rolling and unrolling device as claimed in claim 5, characterized in that the leveling device further comprises a sliding rod (36) and a sliding sleeve (37), the sliding rod (36) is mounted on the two sets of supporting frames (28), the sliding sleeve (37) is slidably connected with the sliding rod (36), and the sliding sleeve (37) is mounted at the front end of the screw sleeve (31).

7. The adjustable angle retractable device of claim 6, further comprising four sets of second rollers (38), wherein the four sets of second rollers (38) are respectively installed at the left front side, the right front side, the left rear side and the right rear side of the bottom end of the base plate (1).

8. The adjustable angle winding and unwinding device according to claim 7, further comprising a shield (39), wherein the shield (39) is installed at the front end of the front support plate (10), and the shield (39) comprises a bevel gear ring (21), a second motor (22), a third rotating shaft (23) and a bevel gear (24).