CN211140982U - Steel band mounting structure of steel band unreeling machine - Google Patents

Abstract

The utility model relates to a steel strip installation structure of a steel strip unwinder, which comprises a frame and a central shaft, the central shaft is arranged horizontally, one end of the central shaft is swivelly supported on the frame, and the central shaft is close to one end of the frame A rotating disk is provided, and a plurality of support blocks are arranged on the outer side of the central axis. The plurality of support blocks are evenly distributed along the circumferential direction of the central axis. The support blocks are slidably connected to the rotating disk. In the radial direction of the rotating disk, the support block is connected with two connecting rods, one end of the connecting rod is hinged on the support block, and the other end is connected with a tensioning device. The utility model has the effects of increasing the contact surface between the support block and the steel strip coil and improving the fixing firmness of the steel strip coil.

Description

A steel strip installation structure of a steel strip unwinder

technical field

The utility model relates to the technical field of steel strip unwinding, in particular to a steel strip installation structure of a steel strip unwinding machine.

Background technique

During the production of door panels or curtain wall panels, the raw materials used are usually arranged in rolls for convenient transportation and relatively flatness. The rolled raw materials need to be unrolled during use, so a steel strip unwinder needs to be used to roll them. The steel strip roll is unrolled to make the steel strip roll flat into a single-layer steel strip, and then the steel strip is cut, punched and bent to complete the production of door panels and curtain wall panels.

The patent document with the authorization announcement number CN105312355B discloses a steel strip uncoiler, including a frame, the frame is rotatably connected to a central shaft, the central shaft is connected with a driving device, and the central shaft is provided with a support block, the support block and the center A strut is arranged between the shafts, a sliding seat is arranged on the central axis, and a hydraulic cylinder is connected to the sliding seat. One end of the strut is hinged with the sliding seat, and the other end is hinged with the support block. When the hydraulic cylinder is output, the sliding seat moves along the length direction of the central axis, so that the strut pushes the support block to move away from the center of the central axis. At the same time, a pressing wheel device is also provided on the frame. A rotating shaft installed on the frame, a connecting rod is arranged on the rotating shaft, one end of the connecting rod is fixed on the rotating shaft, and the other end is provided with a pressing wheel, which is used to press the outer side of the steel strip coil, and the steel strip coil is pressed. Squeeze to prevent the coil from loosening.

However, in such a structure, because the support block is under the action of the pillar, the side away from the rotating disk is close to the central axis, the steel strip is sleeved on the central axis, and the support block is located in the center of the steel strip. The block rotates, so that the side of the support block away from the rotating disk is opened in the direction away from the central axis, so that when the radius of the center hole of the steel strip coil is not equal to the distance from the rotation point of the support block on the rotating disk to the center line of the central axis , the contact surface between the support block and the steel strip coil is small, and the firmness of the fixation of the steel strip coil is relatively poor.

Utility model content

The purpose of the utility model is to provide a steel strip installation structure of a steel strip unwinder, which has the effect of increasing the contact surface between the support block and the steel strip coil and improving the fixing firmness of the steel strip coil.

The above-mentioned purpose of the present invention is achieved through the following technical solutions:

A steel strip installation structure of a steel strip unwinder comprises a frame and a central shaft, the central shaft is arranged horizontally, one end of the central shaft is swivelly supported on the frame, and one end of the central shaft close to the frame is provided with a rotating disc, A plurality of support blocks are arranged on the outer side of the central shaft, and the plurality of support blocks are evenly distributed along the circumferential direction of the central shaft. Two connecting rods are connected to the support block in the direction of the direction, one end of the connecting rod is hinged on the support block, and the other end is connected with a tensioning device.

By adopting the above technical scheme, when in use, the central shaft is set horizontally, one end of the central shaft is swivelly supported on the frame, the steel strip is wrapped around the central shaft, the central hole of the steel strip is larger than the size of the central shaft, and the support block Located inside the steel strip coil, the support block is slidably connected to the rotating disk, and the support block is connected with two connecting rods. The connecting rods can move along the radial direction of the rotating disk under the action of the tensioning device, so that the support block When it is opened outward, the whole support block can be pressed against the inner wall of the center hole, the contact surface between the support block and the inner wall of the center hole is improved, the looseness of the steel strip coil is reduced, and the fixing firmness of the steel strip coil is improved.

The utility model is further provided as follows: the tensioning device comprises two sliding blocks, the two sliding blocks are respectively connected with a nut, the sliding blocks are slidably fitted on the nuts, and the sliding direction of the sliding blocks on the nut is parallel to the length of the central axis A compression spring is arranged between the two sliding blocks, two ends of the compression spring abut on the two sliding blocks respectively, and one end of the connecting rod away from the support block is hinged on the sliding block.

By adopting the above technical solution, the two ends of the compression spring are respectively abutted on the two sliding blocks, and the two sliding blocks are both slidably connected, so that the force generated by the compression spring on the two sliding blocks is a pair of opposite forces, which in turn exerts a force on the two sliding blocks. The acting force of each slider is the same, so that the acting force of the support block on both ends of the steel strip coil is equal, and the uniformity of the fixing of the steel strip coil is further improved.

The utility model is further configured as follows: the nut is connected with a driving device, the driving device comprises a screw rod, the screw threads at both ends of the screw rod have opposite directions of rotation, the two nuts are respectively threaded with the two ends of the screw rod, and the end of the screw rod is provided with a driving motor, which drives the screw. The motor is fixed on the rotating plate, and the output end of the driving motor is coaxially fixed on the screw rod; the nut is provided with a chute, and the slider is slidably fitted in the chute; one end of the two connecting rods away from the support block is directed toward the end of the screw rod. The center is inclined, and the end of the chute away from the center of the screw is provided with a limiting surface.

By adopting the above technical solution, the drive motor is fixed on the rotating disk. When the drive motor starts, the output end of the drive motor rotates with the screw, and the screw rotates with the nut to move relatively. When the limit surface is in contact with the slider, the nut pushes Move the slider with the support block to the direction close to the central axis, so that the support block is loosened from the steel strip coil, which is convenient to replace the steel strip coil.

The utility model is further configured as follows: a guide sleeve and a guide rod are arranged between the two sliding blocks, a guide rod is arranged in the inner sleeve of the guide sleeve, the guide rod is inserted into the guide sleeve, and the end of the guide rod away from the guide sleeve is fixed on a slide On the block, one end of the guide sleeve away from the guide rod is fixed on the other slider, and the compression spring is sleeved on the guide rod and the guide sleeve.

By adopting the above technical solution, the guide sleeve is inserted into the guide rod, and the compression spring is sleeved on the guide sleeve and the guide rod. When the two sliders move relative to each other, the compression spring is supported by the guide sleeve and the guide rod to prevent the compression spring from bending laterally. fold.

The utility model is further configured as follows: a T-shaped groove is formed on the rotating disk, the length direction of the T-shaped groove is along the radial direction of the rotating disk, a T-shaped block is arranged in the T-shaped groove, and the T-shaped block is fixed on the support block , the T-block is slidingly fitted in the T-slot.

By adopting the above technical solution, a T-shaped groove is formed on the rotating disk, the T-shaped block is slidably fitted in the T-shaped groove, and the support block is fixed on the T-shaped block, so that the sliding connection between the support block and the rotating disk is relatively firm.

The utility model is further arranged as follows: there are four supporting blocks.

By adopting the above technical solution, there are four support blocks, and the directions of the forces acting on the steel coil by the four support blocks are opposite, so that the support of the steel coil can be relatively stable.

The utility model is further configured as follows: the end of the central shaft away from the rotating disk is provided with a support device, the support device comprises a column, the column is arranged vertically, the lower end of the column is provided with a base, the base is provided with a mounting hole, and the lower end of the column abuts against In the installation hole, the upper end of the column is provided with a telescopic assembly, a support seat is installed on the telescopic assembly, and two support wheels are arranged on the support seat. diameter of.

By adopting the above technical solution, a support seat is installed on the telescopic assembly, and two support wheels are arranged on the support seat to support the central shaft. When the steel strip coil needs to be replaced, the support seat can be moved down by the telescopic assembly, and then removed from the base. The vertical column is removed from the top, so that the installation of the steel strip coil is more convenient, and the support at both ends of the central shaft is relatively stable.

The utility model is further configured as follows: the telescopic assembly includes a stud and a retaining ring, the lower end of the stud is inserted into the upper end of the column, the retaining ring is threadedly connected to the stud, and the retaining ring abuts on the upper end of the column, and the retaining ring is A force applying rod is arranged on the side wall.

By adopting the above technical solution, the lower end of the stud is inserted into the upper end of the column, the retaining ring is abutted on the upper end of the column, the force application rod is convenient for the staff to rotate the retaining ring, and the retaining ring is connected with the thread of the stud, so that the stud is in the upper end of the column. It is more convenient to move up and down in the column.

To sum up, the beneficial technical effects of the present utility model are:

1. It is pivotally supported on the frame through one end of the central shaft, the steel strip is sleeved on the central shaft, the support block is located inside the steel strip coil, the support block is slidably connected to the rotating disk, and the support block is connected with two connecting rods. Under the action of the tensioning device, the connecting rod can move along the radial direction of the rotating disc, so that the support block is completely close to the inner wall of the center hole, and the fixing firmness of the steel coil is improved;

2. The two ends of the compression spring are respectively abutted on the two sliders, and the two sliders are slidably connected, so that the force generated by the compression spring on the two sliders is a pair of opposite forces, and then the two sliders are The acting force is the same, so that the force of the support block on both ends of the steel coil is equal, and the uniformity of the fixing of the steel coil is improved;

3. The drive motor is fixed on the rotating disk. When the drive motor starts, the output end of the drive motor rotates with the screw, and the screw rotates with the nut to move relatively. When the limit surface is in contact with the slider, the nut pushes the slider , so that the slider moves with the support block to the direction close to the central axis, so that the support block is loosened from the steel strip coil, which is convenient to replace the steel strip coil.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the partial enlarged schematic diagram of A part in Fig. 1;

3 is a schematic diagram of the internal structure of the central shaft;

Fig. 4 is the structural schematic diagram of the utility model omitting the frame;

5 is a schematic structural diagram of a support device;

Figure 6 is a schematic view of the structure of the roller device.

In the figure, 1, frame; 2, central axis; 21, support block; 3, support device; 31, column; 32, base; 33, mounting hole; 34, telescopic assembly; 341, stud; 342, retaining ring ; 343, force bar; 35, support seat; 36, support wheel; 4, steel strip coil; 5, rotary disc; 51, T-shaped groove; 52, T-shaped block; 53, teeth; 6, pressure wheel device ;61, fixed shaft; 62, pressing arm; 63, pressing seat; 631, support; 632, roller; 64, tension spring; 65, hydraulic cylinder; 71, screw rod; 72, driving motor; 73, nut; 74 , connecting rod; 8, tensioning device; 81, slider; 82, chute; 83, limit surface; 84, compression spring; 85, guide sleeve; 86, guide rod; 91, gear; 92, worm gear; 93 , worm; 94, flywheel; 95, three-phase asynchronous motor.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Referring to FIG. 1, it is a steel strip unwinder disclosed by the utility model, comprising a frame 1 and a central shaft 2, the central shaft 2 is arranged horizontally, one end of the central shaft 2 is swivelly supported on the frame 1, and the other end is provided with a The support device 3, the central shaft 2 is used to sleeve the steel strip coil 4, and the diameter of the central hole of the steel strip coil 4 is larger than the diameter of the central shaft 2, and a rotary disk 5 is provided at the end of the central shaft 2 away from the support device 3, and the rotation The center of the disc 5 coincides with the center of the central shaft 2, the rotating disc 5 is fixed on the central shaft 2, a support block 21 is arranged between the central shaft 2 and the steel strip coil 4, and the support block 21 is installed on the central shaft 2 and abuts against it. It is connected to the inner wall of the center hole of the steel strip coil 4, so that the steel strip coil 4 is relatively fixed with the central shaft 2. When the central shaft 2 rotates, the central shaft 2 can carry the steel strip coil 4 for unwinding.

2 and 4, a T-shaped groove 51 is provided on the side of the rotating disk 5 close to the support block 21, and the length direction of the T-shaped groove 51 is along the radial direction of the rotating disk 5. The support block 21 has four, four The support blocks 21 are evenly distributed along the circumference of the central axis 2 , and each support block 21 corresponds to a T-shaped groove 51 ; a T-shaped block 52 is arranged in the T-shaped groove 51 , and the T-shaped block 52 is slidingly matched with the T-shaped groove 51 , the T-shaped block 52 is fixed on the support block 21 , so that the support block 21 can slide along the length direction of the T-shaped groove 51 , so that the support block 21 is loosened or pressed against the steel strip coil 4 .

Referring to FIG. 3, a screw 71 is provided inside the central shaft 2, the center line of the screw 71 coincides with the center line of the central shaft 2, both ends of the screw 71 are rotatably supported on the central shaft 2, and the end of the screw 71 is provided with a drive The motor 72 and the driving motor 72 are fixed on the rotary disk 5, and the output end of the driving motor 72 is coaxially fixed on the end of the screw rod 71; 73. Two nuts 73 are threadedly connected to both ends of the screw rod 71, and the nuts 73 are located in the central shaft 2, and the nuts 73 are slidably fitted on the central shaft 2. When the screw rod 71 rotates, the nuts 73 move along the length direction of the screw rod 71, And the two nuts 73 are relatively close or far apart.

Referring to FIG. 3 , two connecting rods 74 are provided on each support block 21 , the lengths of the two connecting rods 74 are equal, one end of the two connecting rods 74 is hinged on the support block 21 , and the other end is connected with a tensioning device 8. The tensioning device 8 is installed on the two nuts 73 . One end of the two connecting rods 74 away from the support block 21 is inclined in the direction of the middle position of the screw rod 71. Under the action of the tensioning device 8, the connecting rods 74 rotate around the hinge point with the support block 21, so that the two connecting rods 74 At the same time, the support block 21 is pushed to move, and the moving distance of the support block 21 at both ends of the central axis 2 is equal, so that the support block 21 can fix the steel strip coils 4 with center holes of various diameters, and when fixed, the support block 21 The contact surface with the center hole is larger, and the fixing is relatively firm.

Referring to FIG. 3 , the tensioning device 8 includes two sliding blocks 81 . The two sliding blocks 81 are oppositely arranged on the two nuts 73 . The nuts 73 are provided with sliding grooves 82 , and the sliding blocks 81 are slidably fitted in the sliding grooves 82 . The length direction of the chute 82 is arranged along the length direction of the screw 71, and the end of the chute 82 away from the middle of the screw 71 is provided with a limiting surface 83, and the limiting surface 83 is used to push the slider 81 to move to the middle of the screw 71; two A compression spring 84 is arranged between the sliders 81, a guide sleeve 85 and a guide rod 86 are arranged in the middle of the compression spring 84, the guide rod 86 is inserted into the guide sleeve 85, and the end of the guide rod 86 away from the guide sleeve 85 is fixed to a slider 81 The end of the guide sleeve 85 away from the guide rod 86 is fixed on the other slider 81, the two ends of the compression spring 84 are respectively abutted on the two sliders 81, and the direction of the force of the compression spring 84 drives the two sliders 81 Move back and forth. The ends of the two connecting rods 74 on the same support block 21 away from the support block 21 are hinged to the two sliders 81 respectively.

When in use, the steel strip coil 4 is first set on the four support blocks 21, so that the four support blocks 21 are located in the central hole of the steel strip coil 4, the driving motor 72 works, the driving motor 72 rotates with the screw rod 71, and the end of the screw rod 71 rotates. The nut 73 moves opposite to each other, so that under the force of the compression spring 84, the two sliders 81 move with the nut 73, so that the support block 21 moves to the side wall of the central hole. When the support block 21 abuts against the side wall of the central hole At the position, the slider 81 stops moving, and the nut 73 continues to move independently, so that the slider 81 is separated from the limit surface 83; even in the process of unwinding the steel strip coil 4, the nut 73 moves along the length of the screw rod 71 in a small amount. , the force of the compression spring 84 can still ensure the extrusion of the slider 81; after the steel strip coil 4 is unwound, the driving motor 72 reverses the work, and the driving motor 72 rotates with the screw 71, so that the two nuts 73 move relative to each other , so that the limiting surface 83 on the slider 81 pushes the two sliders 81 to move relative to each other, so that the support block 21 moves toward the center of the central axis 2 , and the steel strip coil 4 is released.

Referring to FIG. 4 , teeth 53 are provided on the side wall of the rotating disk 5, the rotating disk 5 is connected with a gear 91, the number of teeth 53 on the rotating disk 5 is greater than the number of teeth of the gear 91, and the gear 91 is rotatably supported on the frame 1, The gear 91 meshes with the teeth 53 on the side wall of the rotating disk 5 , so that the gear 91 is connected with the rotating disk 5 in a driving manner. A worm wheel 92 is coaxially fixed on the gear 91, the worm wheel 92 is connected with a worm 93, the worm 93 meshes with the worm wheel 92, and the worm 93 rotates to support the frame 1, and the helix angle of the worm 93 is greater than that between the worm wheel 92 and the worm 93 Equivalent friction angle, so that the worm 93 can drive the worm wheel 92, and the worm wheel 92 can drive the worm 93 in the reverse direction. The worm 93 is rotatably supported on the frame 1. One end of the worm 93 is coaxially fixed with a flywheel 94, and the other end is provided with a three-phase asynchronous motor 95. The output end of the three-phase asynchronous motor 95 is coaxially fixed on the worm 93. The three-phase asynchronous motor 95 is fixed on the frame 1. When the three-phase asynchronous motor 95 brakes, the three-phase asynchronous motor 95 generates a reverse braking force on the worm 93. When the rotating disk 5 rotates, the rotating disk 5 drives the gear 91. The gear 91 drives the worm wheel 92, and the worm wheel 92 receives the reverse force of the worm 93, so that the rotation speed of the rotary disk 5 is rapidly reduced. When the three-phase asynchronous motor 95 works, the three-phase asynchronous motor 95 drives the worm 93 to rotate, the worm 93 drives the worm wheel 92, and the worm wheel 92 rotates synchronously with the gear 91, so that the rotating disc 5 rotates, and the steel strip coil 4 on the central shaft 2 is rotated. Unwind.

Referring to FIG. 5 , the support device 3 includes a column 31 , the column 31 is arranged vertically, the lower end of the column 31 is provided with a base 32 , the base 32 is provided with a mounting hole 33 , the lower end of the column 31 abuts in the mounting hole 33 , and the upper end of the column 31 A telescopic assembly 34 is provided. The telescopic assembly 34 includes a stud 341 and a retaining ring 342. The column 31 is a hollow structure. The lower end of the stud 341 is inserted into the upper end of the column 31, and the upper end is provided with a support seat 35. On the column 341, there is a retaining ring 342 against the upper end surface of the upright column 31. A force applying rod 343 is arranged on the side wall of the retaining ring 342, and the force applying rod 343 is arranged along the radial direction of the retaining ring 342. The support seat 35 It is fixed on the upper end of the stud 341, so that the support seat 35 is supported on the side wall of the central shaft 2. The support seat 35 is provided with two support wheels 36, and the support wheels 36 are rotatably supported on the support seat 35, and the The center line is parallel to the center line of the central axis 2, and the distance between the two supporting wheels 36 is smaller than the diameter of the central axis 2, so that when the supporting wheels 36 are supported on the central axis 2, the two supporting wheels 36 are simultaneously connected to the central axis 2. The side walls are tangent. When in use, the stud 341 can be moved upward or downward by rotating the retaining ring 342 , and when moving downward, the support wheel 36 can be separated from the side wall of the central shaft 2 and the column 31 can be removed from the base 32 .

Referring to Figure 1 and Figure 6, a pressing wheel device 6 is provided on the outer wall of the steel strip coil 4. The pressing wheel device 6 includes a fixed shaft 61, a pressing arm 62 and a pressing seat 63, and the fixed shaft 61 is fixed on the frame 1, The length direction of the fixed shaft 61 is parallel to the length direction of the central axis 2 , the pressing arm 62 is arc-shaped as a whole, there are two pressing arms 62 , the two arc-shaped openings of the pressing arm 62 are oppositely arranged, and the two pressing arms 62 are opposite to each other. There is a steel strip coil 4, one end of the pressing arm 62 is rotatably connected to the fixed shaft 61, the pressing seat 63 is provided with one end of the pressing arm 62 away from the fixed shaft 61, and a tension spring 64 is arranged between the two pressing arms 62 to pull The two ends of the spring 64 are respectively fixed in the middle of the two pressing arms 62, and the direction of the force of the tension spring 64 drives the two pressing arms 62 to contract inwardly, so that the pressing seat 63 abuts on the outer wall of the steel strip coil 4, and then Press the steel coil 4 to reduce the loosening of the steel coil 4.

Referring to FIG. 6 , the pressing seat 63 includes a bearing 631 and a roller 632 , the bearing 631 is arc-shaped, and the arc-shaped opening of the bearing 631 faces the steel strip coil 4 , and the middle of the bearing 631 is rotatably connected to the pressing arm 62 The rotation axis of the support 631 and the pressing arm 62 is parallel to the center line of the central axis 2; there are two rollers 632, and the two rollers 632 are respectively connected to the two ends of the support 631 in rotation, and the center line of the roller 632 and the center axis The center lines of 2 are parallel, and the roller 632 is pressed against the outer wall of the steel strip coil 4 under the force of the tension spring 64 . A hydraulic cylinder 65 is arranged between the two pressing arms 62, and both ends of the hydraulic cylinder 65 are hinged on the two pressing arms 62 respectively. At the time, the hydraulic cylinder 65 pushes the two pressing arms 62 to open, so that the pressing arms 62 rotate around the fixed shaft 61, so that the pressing seat 63 is disengaged from the steel strip roll 4, and the next steel strip roll 4 is conveniently placed.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (8)

1. A steel strip installation structure of a steel strip unwinder, comprising a frame (1) and a central shaft (2), the central shaft (2) is arranged horizontally, and one end of the central shaft (2) is swivelly supported on the frame (1). ), the end of the central shaft (2) close to the frame (1) is provided with a rotating disk (5), and the outer side of the central shaft (2) is provided with a plurality of support blocks (21), and a plurality of support blocks (21) The uniform distribution along the circumferential direction of the central axis (2) is characterized in that: the support block (21) is slidably connected to the rotating disk (5), and the support block (21) is along the sliding direction of the rotating disk (5). In the radial direction of the rotating disk (5), the support block (21) is connected with two connecting rods (74), one end of the connecting rod (74) is hinged on the support block (21), and the other end is connected with a tensioning device (8). 2. The steel strip installation structure of a steel strip unwinder according to claim 1, characterized in that: the tensioning device (8) comprises two sliding blocks (81), two sliding blocks (81) A nut (73) is respectively connected, the sliding block (81) is slidably fitted on the nut (73), and the sliding direction of the sliding block (81) on the nut (73) is parallel to the length direction of the central axis (2). A compression spring (84) is arranged between the sliders (81), two ends of the compression spring (84) are respectively abutted on the two sliders (81), and one end of the connecting rod (74) away from the support block (21) is hinged on the slider (81). 3. The steel strip installation structure of a steel strip unwinding machine according to claim 2, characterized in that: the nut (73) is connected with a driving device, and the driving device comprises a screw (71), and the screw (71) has two The threads of the ends are rotated in opposite directions, and the two nuts (73) are respectively threaded with two ends of the screw rod (71). 5), the output end of the drive motor (72) is coaxially fixed on the screw (71); the nut (73) is provided with a chute (82), and the slider (81) is slidably fitted in the chute (82) One end of the two connecting rods (74) away from the support block (21) is inclined towards the center of the screw (71), and one end of the chute (82) away from the center of the screw (71) is provided with a limiting surface (83). 4. The steel strip installation structure of a steel strip unwinder according to claim 2 or 3, wherein a guide sleeve (85) and a guide rod (86) are arranged between the two sliding blocks (81) , the guide sleeve (85) is sleeved with a guide rod (86), the guide rod (86) is inserted into the guide sleeve (85), and the end of the guide rod (86) away from the guide sleeve (85) is fixed on a slider (86). 81), the end of the guide sleeve (85) away from the guide rod (86) is fixed on the other slider (81), and the compression spring (84) is sleeved on the guide rod (86) and the guide sleeve (85). 5. The steel strip installation structure of a steel strip unwinder according to claim 1, characterized in that: a T-shaped groove (51) is provided on the rotating disc (5), and the T-shaped groove (51) is provided with a The length direction is along the radial direction of the rotating disk (5), a T-shaped block (52) is arranged in the T-shaped groove (51), the T-shaped block (52) is fixed on the support block (21), and the T-shaped block (52) ) slidingly fits in the T-slot (51). 6 . The steel strip installation structure of a steel strip unwinder according to claim 1 , wherein there are four support blocks ( 21 ). 7 . 7. The steel strip installation structure of a steel strip unwinder according to claim 1, characterized in that: one end of the central shaft (2) away from the rotating disc (5) is provided with a support device (3), which supports The device (3) comprises a column (31), the column (31) is arranged vertically, a base (32) is arranged at the lower end of the column (31), a mounting hole (33) is opened on the base (32), and the lower end of the column (31) Abutting in the mounting hole (33), the upper end of the column (31) is provided with a telescopic assembly (34), a support seat (35) is installed on the telescopic assembly (34), and two support wheels (35) are provided on the support seat (35). 36), the support wheel (36) is swivelly supported on the support seat (35), and the distance between the two support wheels (36) is smaller than the diameter of the central shaft (2). 8. The steel strip installation structure of a steel strip unwinder according to claim 7, wherein the telescopic assembly (34) comprises a stud (341) and a retaining ring (342), and the stud (341) ) is inserted into the upper end of the column (31), the retaining ring (342) is screwed on the stud (341), and the retaining ring (342) abuts on the upper end of the column (31), the side of the retaining ring (342) A force applying rod (343) is arranged on the wall.

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