High-flexibility steel coil unwinding machine

Abstract

A high-flexibility steel coil unwinding machine comprises a rack, a sliding shaft is arranged on the rack and can slide in the axial direction of the sliding shaft, a supporting assembly used for bearing a steel coil is arranged on the sliding shaft, and the supporting assembly comprises a sleeve which is rotationally arranged on the sliding shaft in a sleeving mode and can slide synchronously with the sliding shaft; the supporting plates are evenly distributed in the circumferential direction of the sleeve, the supporting plates extend in the axial direction of the sleeve and are connected with the sleeve through a plurality of connecting rods, and the two ends of the connecting rods are rotationally connected with the sleeve and the supporting plates correspondingly; the sliding shaft is coaxially sleeved with a rotary disc rotationally connected with the rack, the rotary disc is slidably connected with the end of the supporting plate, and the sliding shaft drives the supporting plate to slide in the radial direction of the rotary disc in the sliding process. At least one supporting plate is provided with two limiting frames used for limiting the position of the steel coil, the two limiting frames are distributed in the axial direction of the sliding shaft, the supporting plates are synchronously adjusted, the adjusting process is simplified, and the inner wall of the steel coil is evenly stressed.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel sheet discharging technology field, and specifically relates to a high flexibility steel coil unwinding machine. BACKGROUND

[0002] Steel plate is the main material for manufacturing steel furniture, and after a series of processing such as stamping, shearing and bending, the steel plate can be made into parts such as cabinet doors and cabinet bodies of steel furniture. The unwinding machine is one of the key equipment in the steel plate processing process, which mainly includes an unwinding roller for supporting the steel coil. In the prior art, the commonly used unwinding roller includes a central shaft, a plurality of support plates capable of sliding radially along the central shaft are arranged around the central shaft, and after the steel coil is installed on the unwinding roller by a crane, the support plates on the unwinding roller need to be adjusted one by one, so as to adjust the support diameter of the unwinding roller, so that the support plates tension the steel coil. The adjustment process is complicated and easy to cause uneven stress on the inner wall of the steel coil. SUMMARY

[0003] The utility model discloses a high flexibility steel coil unwinding machine, which can be applied to steel coils with different inner diameters, synchronously adjust the support plates, simplify the adjustment process, and make the stress on the inner wall of the steel coil uniform.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the specific scheme as follows: a high flexibility steel coil unwinding machine, comprising a rack, a sliding shaft is arranged on the rack, and the sliding shaft can slide along the axial direction of itself, a support assembly for supporting the steel coil is arranged on the sliding shaft, the support assembly comprises a sleeve that is rotatably arranged on the sliding shaft and can slide synchronously with the sliding shaft, and a plurality of support plates that are uniformly distributed in the circumferential direction of the sleeve, the support plates extend in the axial direction of the sleeve and are connected with the sleeve through a plurality of connecting rods, and the two ends of the connecting rods are rotatably connected with the sleeve and the support plates respectively; a rotating disc that is rotatably connected with the rack is coaxially arranged on the sliding shaft, and the rotating disc is slidably connected with the end portion of the support plate, and the sliding shaft drives the support plate to slide in the radial direction of the rotating disc during the sliding process; two limiting frames for limiting the position of the steel coil are arranged on at least one support plate, and the two limiting frames are distributed in the axial direction of the sliding shaft.

[0005] As an optimization scheme of the above-mentioned high flexibility steel coil unwinding machine: the limiting frame is slidably arranged on the support plate and can be fixed, the limiting frame comprises two V-shaped limiting plates, the end portion of the limiting plate is bent to form a bent portion towards the other limiting plate, and a connecting plate is further connected between the middle portions of the two limiting plates, and the space formed between the connecting plate and the bent portion enables the edge of the support plate to enter.

[0006] As another optimization scheme of the flexible steel coil unwinding machine, the connecting plate is provided with locking bolts, which can be tightly pressed against the surface of the support plate away from the sleeve during rotation, and the bent part is tightly pressed against the surface of the support plate towards the sleeve.

[0007] As another optimization scheme of the flexible steel coil unwinding machine, the limiting frame comprises two limiting plates oppositely arranged and rotationally connected through a rotating shaft, a support rod is slidingly arranged between the two limiting plates for pushing the two limiting plates to rotate away from each other, and a spring is arranged for pulling the two limiting plates to rotate relative to each other.

[0008] As another optimization scheme of the flexible steel coil unwinding machine, the end of the limiting plate is bent towards the other limiting plate to form a bent part, which can be tightly pressed against the surface of the support plate towards the sleeve.

[0009] As another optimization scheme of the flexible steel coil unwinding machine, the outer wall of the sleeve is fixedly provided with a connecting strip corresponding to the support plate, and a plurality of connecting strips are uniformly distributed and extend along the circumference of the sleeve, and the end of the connecting rod is rotationally connected with the connecting strip.

[0010] As another optimization scheme of the flexible steel coil unwinding machine, the side of the support plate close to the sleeve is fixedly provided with a fixed strip extending along the axis of the sliding shaft, and the end of the connecting rod is rotationally connected with the fixed strip.

[0011] As another optimization scheme of the flexible steel coil unwinding machine, the rotating disc is provided with a sliding groove, one end of the fixed strip passes through the sliding groove, and the fixed strip is provided with two limiting columns respectively abutting on both sides of the rotating disc.

[0012] As another optimization scheme of the flexible steel coil unwinding machine, the outer wall of the limiting column is wrapped with a buffer pad.

[0013] As another optimization scheme of the flexible steel coil unwinding machine, the frame is provided with a hydraulic cylinder for driving the sliding shaft to slide.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] The utility model provides a high flexibility's steel roll unwinding machine, sliding axle sliding drive support plate is towards sleeve sliding, reduce unwinding machine's support diameter, then, install the steel roll on unwinding machine, and limit the steel roll along its axial movement through the spacing frame, guarantee the steel roll and flat machine alignment, sliding axle reverse sliding drive all support plate slides away from sleeve simultaneously, until support plate and steel roll inner side wall abuts tightly, that is through the sliding flexible adjustment support diameter of support plate, to adapt to the steel roll of different inner diameter, has simplified the adjustment process, makes the steel roll inner wall stress even, simultaneously, through the interval between two spacing frames adjustment adapts to the width of different steel roll, and in the support plate sliding process, limit the steel roll to deviate, namely, the installation of steel roll is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the utility model;

[0017] Figure 2 It is the top view of the utility model;

[0018] Figure 3 It is the structure schematic diagram of spacing frame in embodiment 3;

[0019] Figure 4 It is the side view of spacing frame in embodiment 3;

[0020] Sign significance: 1, rack, 101, support plate, 102, backing plate, 2, carousel, 201, sliding slot, 202, avoiding gap, 3, sliding axle, 301, hydraulic cylinder, 302, baffle, 4, support plate, 401, connecting rod, 402, fixed strip, 403, limiting column, 5, sleeve, 501, connecting strip, 6, spacing frame, 601, limiting plate, 602, bending part, 603, connecting plate, 604, spring, 605, support rod. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model will be further described in detail in combination with specific embodiments, and the parts not described and disclosed in the following embodiments of the utility model should be understood as the prior art known or should be known by the person skilled in the art.

[0022] Embodiment 1

[0023] A high flexibility's steel roll unwinding machine, including rack 1, rack 1 is the box type structure, rack 1 is installed on support plate 101, support plate 101 is the rectangular plate structure, and four corners of support plate 101 are fixedly provided with backing plate 102, in the embodiment, the connecting mode of backing plate 102 and support plate 101 is bolt connection.Rack 1 is provided with sliding axle 3, and sliding axle 3 can slide along the axial direction of itself, and hydraulic cylinder 301 for driving sliding axle 3 to slide is arranged on rack 1, as shown in the figure, Figure 1As shown, in the embodiment, the hydraulic cylinder 301 and the sliding shaft 3 are located on both sides of the rack 1, the cylinder body of the hydraulic cylinder 301 is connected with the rack 1 by bolting, and the piston of the hydraulic cylinder 301 extends into the rack 1; one end of the sliding shaft 3 extends into the rack 1 and is fixedly connected with the piston in a coaxial manner, and the other end of the sliding shaft 3 extends out of the rack 1.

[0024] The sliding shaft 3 is provided with a support assembly for supporting the steel coil, which comprises a sleeve 5 rotatably sleeved on the sliding shaft 3 and capable of sliding synchronously with the sliding shaft 3, and a plurality of support plates 4 uniformly distributed in the circumferential direction of the sleeve 5. Specifically, the sleeve 5 is close to the end of the sliding shaft 3 extending out of the rack 1; in the embodiment, the sleeve 5 is a tubular structure with both ends open and its inner diameter is equal to the outer diameter of the sliding shaft 3; one end face of the sleeve 5 is flush with the end face of the sliding shaft 3 extending out of the rack 1, and the other end face of the sleeve 5 has a certain distance from the rack 1, so as to ensure that the sliding shaft 3 can smoothly slide along the axial direction of itself and avoid collision between the sleeve 5 and the rack 1 during the sliding process of the sliding shaft 3; the end of the sliding shaft 3 away from the rack 1 is fixedly connected with a baffle 302. Each support plate 4 extends in the axial direction of the sleeve 5 and is connected with the sleeve 5 through a plurality of connecting rods 401, the two ends of the connecting rod 401 are rotatably connected with the sleeve 5 and the support plate 4 respectively; the support plate 4 is an arc-shaped plate structure concave to the sleeve 5, and the length direction of the support plate 4 is parallel to the axial direction of the sleeve 5; the number of the support plates 4 is 3-6, and in the embodiment, the number of the support plates 4 is 4 and they are uniformly distributed in the circumferential direction of the sleeve 5.

[0025] Each support plate 4 is connected with the sleeve 5 through a plurality of connecting rods 401, and in the embodiment, each support plate 4 is connected through 8 connecting rods 401, the 8 connecting rods 401 are evenly divided into 4 groups, and the 4 groups of connecting rods 401 are uniformly distributed in the axial direction of the sliding shaft 3, and the 2 connecting rods 401 in each group are distributed in the circumferential direction of the sliding shaft 3.

[0026] The connecting mode of the connecting rod 401 and the support plate 4 is that the side of the support plate 4 close to the sleeve 5 is fixedly provided with a fixed strip 402 extending in the axial direction of the sliding shaft 3, the fixed strip 402 is located at the center position of the support plate 4, the fixed strip 402 is a cuboid structure, and the length direction of the fixed strip 402 is parallel to the axial direction of the sliding shaft 3, the connecting mode of the fixed strip 402 and the support plate 4 is bolting or welding, and in the embodiment, the connecting mode of the two is welding. The end of the connecting rod 401 is rotatably connected with the fixed strip 402, and in the embodiment, the 2 connecting rods 401 in each group are located on both sides of the fixed strip 402, and the end of the connecting rod 401 is rotatably connected with the fixed strip 402 through a shaft.

[0027] The connection manner of the connecting rod 401 and the sleeve 5 is that the outer side wall of the sleeve 5 is fixedly provided with a connecting strip 501 corresponding to the support plate 4, that is, the number of the connecting strips 501 is the same as that of the support plates 4, the number of the connecting strips 501 is four, and the connection manner of the connecting strip 501 and the sleeve 5 is welding or bolt connection. In the embodiment, the connection manner of the two is welding. The plurality of connecting strips 501 are uniformly distributed along the circumference of the sleeve 5 and extend along the circumference of the sleeve 5, and the end of the connecting rod 401 is rotationally connected with the connecting strip 501 through a shaft.

[0028] The sliding shaft 3 is coaxially sleeved with the rotating disc 2 rotationally connected with the rack 1, as shown in Figure 2 The rotating disc 2 and the sliding shaft 3 are located on the same side of the rack 1, the rotating disc 2 includes a first annular plate rotationally connected with the rack 1 and a second annular plate coaxially parallel to the first annular plate, the first annular plate and the second annular plate are connected through a connecting cylinder coaxial with the two, so that an avoiding gap 202 is formed between the first annular plate and the second annular plate. The rotating disc 2 is slidingly connected with the end of the support plate 4, specifically, the second annular plate of the rotating disc 2 is slidingly connected with the end of the support plate 4, and the sliding shaft 3 drives the support plate 4 to slide along the rotating disc 2 in the radial direction during the sliding process. The rotating disc 2 is provided with a sliding groove 201, the number of the sliding grooves 201 is the same as that of the support plates 4, and the sliding groove 201 is a long strip-shaped structure extending in the radial direction thereof; one end of the fixed strip 402 penetrates through the sliding groove 201, and the fixed strip 402 is provided with two limiting columns 403 abutting on the two sides of the rotating disc 2, respectively, and the two limiting columns 403 are arranged to limit the support plate 4 from moving in the axial direction of the sliding shaft 3. As shown in Figure 1 When the steel coil is installed, the sliding shaft 3 moves to the right, so that the support plate 4 approaches the sleeve 5 and the steel coil is sleeved on the support plate 4; the hydraulic cylinder 301 drives the sliding shaft 3 to move to the left, at this time, the sliding shaft 3 drives the sleeve 5 to move to the left, the limiting columns 403 and the rotating disc 2 block the support plate 4 from moving to the left, so that the support plate 4 slides along the sliding shaft 3 in the radial direction, that is, the support plate 4 moves away from the sleeve 5 to support the steel coil and play a tensioning role on the steel coil; at the same time, by adjusting the distance of the sliding shaft 3 moving to the left, the support diameter (the diameter of the circular region enclosed by the support plate becomes the support diameter) of the uncoiling machine can be adjusted, that is, the support diameter can be flexibly adjusted to adapt to steel coils with different inner diameters, and the flexibility of the uncoiling machine is improved.

[0029] The outer side wall of the limiting column 403 is wrapped with a buffer pad, as shown in Figure 1 The buffer pad can protect the end face of the rotating disc 2 and the limiting column 403.

[0030] The at least one support plate 4 is provided with two limiting frames 6 for limiting the position of the steel coil, the two limiting frames 6 are distributed in the axial direction of the sliding shaft 3, and are used to adjust the position of the steel coil in the axial direction of the sliding shaft 3, so that the position of the steel coil corresponds to the position of the mold, and the position of the steel coil relative to the mold is prevented from deviating, so that the deformation of the steel plate is avoided.

[0031] The above are the basic embodiments of this utility model. Further improvements, optimizations, and limitations can be made based on the above to obtain the following embodiments:

[0032] Example 2

[0033] This embodiment is an improvement on embodiment 1. Its main structure is the same as that of embodiment 1, but the improvement lies in further limiting the limiting frame 6, such as... Figure 1 As shown, the limiting frame 6 is slidably arranged along the support plate 4 and can be fixed. The limiting frame 6 includes two V-shaped limiting plates 601. The ends of the limiting plates 601 are bent towards the other limiting plate 601 to form a bent portion 602. A connecting plate 603 is connected between the middle of the two limiting plates 601. The two ends of the connecting plate 603 are respectively connected to the two limiting plates 601. The connection method between the connecting plate 603 and the corresponding limiting plate 601 is welding. A space is formed between the connecting plate 603 and the bent portion 602, allowing the edge of the support plate 4 to enter. A locking bolt is provided on the connecting plate 603. During the rotation of the locking bolt, it can press against the surface of the support plate 4 away from the sleeve 5, and press the bent portion 602 against the surface of the support plate 4 facing the sleeve 5. Specifically, when installing the limiting frame 6, first install the limiting frame 6 closest to the machine frame 1, adjust its position so that the steel coil corresponds to the mold, and rotate the locking bolt to tighten the locking bolt and the bending part 602 against the surface of the support plate 4 to fix the limiting frame 6; then, put the steel coil onto the support plate 4; finally, install the limiting frame 6 away from the machine frame 1. When replacing the steel coil, first rotate the locking bolt on the limiting frame 6 away from the machine frame 1 to release the contact between the bending part 602 and the locking bolt and the surface of the support plate 4, slide the limiting frame 6 to detach it from the support plate 4, put the new steel coil onto the support plate 4, and then reinstall the removed limiting frame 6 onto the support plate 4.

[0034] Example 3

[0035] This embodiment is an improvement on embodiment 1. Its main structure is the same as that of embodiment 1, but the improvement lies in: [The following is a more detailed description of the improvement.] Figure 3As shown, the limiting frame 6 comprises two oppositely arranged limiting plates 601 connected by a rotating shaft, the end portions of the two limiting plates 601 are connected by a rotating shaft, a supporting rod 605 for pushing the two limiting plates 601 to rotate away from each other is slidingly arranged between the two limiting plates 601, and a spring 604 for pulling the two limiting plates 601 to rotate towards each other, the end portion of the limiting plate 601 is bent to form a bent portion 602 towards the other limiting plate 601, and the bent portion 602 can abut against the surface of the supporting plate 4 towards the sleeve 5. The supporting rod 605 is arranged at a position close to the rotating shaft, the spring 604 is arranged at a position close to the bent portion 602, and the two ends of the spring 604 are respectively hung on the corresponding limiting plate 601.

[0036] A sliding hole extending along the length direction of the limiting plate 601 is formed on the limiting plate 601, and the two ends of the supporting rod 605 are slidingly arranged in the sliding hole, when the limiting frame 6 is installed, the supporting rod 605 is pushed to slide upward, so that the supporting rod 605 pushes the two limiting plates 601 to rotate away from each other, the opening between the two limiting plates is increased, the limiting frame 6 is clamped on the supporting plate 4, that is, the bent portion 602 is located at the side of the supporting plate 4 close to the sleeve 5, then the spring 604 pulls the two limiting plates 601 to rotate towards each other until the supporting plate 4 enters the interval formed by the bent portion 602 and the limiting plate 601, and the bent portion 602 abuts against the surface of the supporting plate 4 close to the sleeve 5, that is, when the limiting frame 6 is installed, it is not necessary to slide back and forth on the supporting plate 4, which facilitates the installation of the limiting frame 6.

[0037] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A high flexibility steel coil unwinder, characterized in that: The rack (1) is provided with a sliding shaft (3) which can slide along its axis, and the sliding shaft (3) is provided with a support assembly for supporting a steel coil, the support assembly comprises a sleeve (5) which is rotatably sleeved on the sliding shaft (3) and can slide synchronously with the sliding shaft (3), and a plurality of support plates (4) which are uniformly distributed in the circumferential direction of the sleeve (5), the support plates (4) extend axially along the sleeve (5) and are connected with the sleeve (5) through a plurality of connecting rods (401), the two ends of the connecting rod (401) are rotatably connected with the sleeve (5) and the support plate (4) respectively; the sliding shaft (3) is coaxially sleeved with a rotating disc (2) which is rotatably connected with the rack (1), and the rotating disc (2) is slidably connected with the end of the support plate (4), the sliding shaft (3) drives the support plate (4) to slide radially along the rotating disc (2) during sliding; at least one support plate (4) is provided with two limiting racks (6) for limiting the position of the steel coil, and the two limiting racks (6) are distributed in the axial direction of the sliding shaft (3).

2. A high flexibility steel coil unwinder according to claim 1, characterized in that: The limiting rack (6) is slidably arranged on the support plate (4) and can be fixed, the limiting rack (6) comprises two V-shaped limiting plates (601), the end of the limiting plate (601) is bent to form a bent portion (602) which faces the other limiting plate (601), and a connecting plate (603) is further connected between the middle portions of the two limiting plates (601), and the connecting plate (603) and the bent portion (602) form a space for the edge of the support plate (4) to enter.

3. A high flexibility steel coil unwinder according to claim 2, characterized in that: The connecting plate (603) is provided with a locking bolt, the locking bolt can be tightly pressed against the surface of the support plate (4) away from the sleeve (5) during rotation, and the bent portion (602) is tightly pressed against the surface of the support plate (4) facing the sleeve (5).

4. A high flexibility steel coil unwinder according to claim 1, characterized in that: The limiting rack (6) comprises two oppositely arranged limiting plates (601) which are rotatably connected through a rotating shaft, a supporting rod (605) is slidably arranged between the two limiting plates (601) for pushing the two limiting plates (601) to rotate away from each other, and a spring (604) is arranged for pulling the two limiting plates (601) to rotate relative to each other.

5. A high flexibility steel coil unwinder according to claim 4, characterized in that: The end of the limiting plate (601) is bent to form a bent portion (602) which faces the other limiting plate (601), and the bent portion (602) can abut against the surface of the support plate (4) facing the sleeve (5).

6. A high flexibility steel coil unwinder as claimed in claim 1, characterized in that: The outer side wall of the sleeve (5) is fixedly provided with a connecting strip (501) corresponding to the support plate (4), a plurality of connecting strips (501) are uniformly distributed in the circumferential direction of the sleeve (5) and extend in the circumferential direction of the sleeve (5), and the end of the connecting rod (401) is rotatably connected with the connecting strip (501).

7. A high flexibility steel coil unwinder as claimed in claim 1, characterized in that: The side of the support plate (4) close to the sleeve (5) is fixedly provided with a fixed strip (402) extending in the axial direction of the sliding shaft (3), and the end of the connecting rod (401) is rotatably connected with the fixed strip (402).

8. A high flexibility steel coil unwinder according to claim 7, characterized in that: The rotating disc (2) is provided with a sliding groove (201), one end of the fixed strip (402) passes through the sliding groove (201), and the fixed strip (402) is provided with two limiting columns (403) which are respectively fitted on the two sides of the rotating disc (2).

9. A high flexibility steel coil unwinder according to claim 8, characterized in that: The outer side wall of the limiting column (403) is wrapped with a buffer pad.

10. A high flexibility steel coil unwinder as claimed in claim 1, characterized in that: The rack (1) is provided with a hydraulic cylinder (301) for driving the sliding shaft (3) to slide.

Images