An uncoiler

Abstract

The present application provides a kind of uncoiler, it is related to plate processing equipment field, including frame, hydraulic station and uncoiler main body, uncoiler main body is installed on frame, uncoiler main body is used to drive roll material rotation, one side of uncoiler main body is installed for providing pressure roller assembly for roll material with compacting force, disc is fixedly installed on uncoiler main body, one side of disc is equipped with for the disc brake assembly of uncoiler main body emergency stop, hydraulic station is located frame side, hydraulic station is used to control hydraulic drive, by first hydraulic cylinder drive arc drive plate is rotated on the outer surface of horizontal shaft, arc drive plate will simultaneously drive arm and press wheel move to roll material direction, so that press wheel is adhered to the outer surface of roll material and is pressed, prevent roll material from appearing loose condition in unwinding process to a certain extent, by two wear-resistant brake pads synchronous extrusion to disc is carried out through friction force to disc and drive shaft is decelerated brake stop, inertia force of rotating shaft is slowed down to a certain extent.

Description

Technical Field

[0001] This invention relates to the field of sheet metal processing equipment, and more particularly to an uncoiler. Background Technology

[0002] An uncoiler is a type of machine, also known as an automatic paper unwinder or automatic board unwinder. Its main function is to unwind the curled edges of large quantities of board material for easier processing and use. The working principle of an uncoiler is to feed the curled board material into the machine, where it is unwound by a transmission mechanism and rolled into a roll of a certain size.

[0003] Existing uncoilers include a frame and a shaft connected to the frame for rotating the coil. The shaft is connected to a power unit for rotating the coil. In use, the shaft is inserted into the coil, with the outer circumferential wall of the shaft pressing against the inner circumferential wall of the coil. The friction between the shaft and the coil causes the coil to rotate under the shaft's influence, thus uncoiling the coil. However, existing uncoilers have the following problems: When the shaft rotates the coil, pressure rollers are usually placed above it to press the strip. These pressure rollers are typically driven by a geared motor and a chain. The flexible transmission of the chain affects the encoder's detection accuracy of the rollers, resulting in a speed difference between the strip and the rollers, causing scratches on the strip surface. Sometimes, uncoiling needs to be stopped during the uncoiling process. When the motor stops, the coil continues to rotate a certain distance due to inertia. For thick coils, a single pressure roller is insufficient to press them firmly, and this process can easily lead to excessive uncoiling length. The speed difference between the coil and the shaft can easily cause scratches on the coil surface.

[0004] Therefore, it is necessary to provide a new uncoiler to solve the above-mentioned technical problems. Summary of the Invention

[0005] To solve the above-mentioned technical problems, the present invention provides an unwinding machine.

[0006] The uncoiler provided by the present invention includes a frame, a hydraulic station, and an uncoiler body. The uncoiler body is mounted on the frame and is used to drive the coil to rotate. A pressure roller assembly for providing clamping force to the coil is mounted on one side of the uncoiler body. A disc is fixedly mounted on the uncoiler body, and a disc brake assembly for emergency stopping the uncoiler body is provided on one side of the disc. The hydraulic station is located on one side of the frame and is used to control hydraulic drive.

[0007] The pressure roller assembly includes two opposing mounting brackets, a horizontal shaft, a drive arm, and a first hydraulic cylinder. The first hydraulic cylinder and the two mounting brackets are respectively fixedly connected to the top of the frame. One end of the horizontal shaft passes through the two mounting brackets. An arc-shaped drive plate is fixedly mounted on the outer surface of the horizontal shaft. The end of the arc-shaped drive plate away from the horizontal shaft is hinged to the output end of the first hydraulic cylinder. The drive arm is fixedly connected to one end of the horizontal shaft, and a pressure roller is movably mounted on the end of the drive arm away from the horizontal shaft.

[0008] The disc brake assembly includes a mounting plate, a second hydraulic cylinder, a mounting base, and a baffle plate mounted on one side of the uncoiler. The second hydraulic cylinder and the mounting base are fixedly connected to the top of the mounting plate. Two movable pressure plates are hinged to both ends of the mounting base. Wear-resistant brake pads and inclined blocks are hinged to both ends of the two movable pressure plates. A conical drive block is fixedly connected to the output end of the second hydraulic cylinder. The two sides of the conical drive block are respectively in contact with the side walls of the two inclined blocks. The baffle plate is mounted on the top of the mounting plate. An elastic element is fixedly connected to one side of the baffle plate. The end of the elastic element away from the baffle plate is fixedly connected to one end of the movable pressure plate.

[0009] Furthermore, the uncoiling machine body includes a support frame, a drive shaft, a drive mechanism, and a shaft disc mechanism for supporting the roll material. The support frame is fixedly connected to the top of the frame, the drive shaft is movably inserted inside the support frame, the shaft disc mechanism is arranged around the end of the drive shaft away from the support frame, the drive mechanism is installed on the top of the support frame, and the output end of the drive mechanism is connected to the drive shaft.

[0010] Furthermore, the drive mechanism includes a base plate, a fixed seat, a geared motor, a bearing seat, a connecting shaft, a first sprocket, and a second sprocket. The base plate is fixedly connected to the top of the support frame. The geared motor, the fixed seat, and the bearing seat are respectively fixedly connected to the top of the base plate. The output end of the geared motor is connected to the connecting shaft via a coupling. One end of the connecting shaft passes through the bearing seat. The first sprocket and the second sprocket are respectively arranged around the outer surfaces of the connecting shaft and the drive shaft. The first sprocket and the second sprocket are connected by a chain.

[0011] Furthermore, the shaft disc mechanism includes a support disc, two opposing support blocks, and multiple support plates. The support disc and the two support blocks are respectively arranged around the end of the drive shaft away from the support frame. An adjusting member for adjusting the spacing is installed between the two support blocks. The multiple support plates are respectively arranged around the edge of the support blocks. The bottom of each of the multiple support plates is provided with two sliders. One end of each slider is inclined, and the inclined surfaces of the two sliders are movably installed in the grooves on the edges of the two support blocks.

[0012] Furthermore, the shaft-disc mechanism includes a rotating shaft fixed to the drive shaft, a connecting disk, and a power mechanism for supporting the inner circle of the roll material. The connecting disk is fixedly connected to the end of the rotating shaft away from the drive shaft, and the power mechanism is fixedly connected to the end of the connecting disk away from the rotating shaft.

[0013] Furthermore, the adjusting component includes a base rod, a movable ring, and a movable rod. The base rod is fixedly connected to one side of one of the support blocks, the movable ring is ringed around one end of the base rod, one end of the movable rod is threadedly connected to the movable ring, and one end of the movable rod is movably connected to one side of the other support block.

[0014] Furthermore, the power mechanism includes a support column, a guide plate, a connecting plate, a servo motor, a large gear disk, and a small gear disk. A connecting rod is fixedly connected to the center of one end of the support column, and the connecting rod is fixedly connected to the connecting disk. A shaft is provided at the center of the end of the support column away from the connecting rod, and the shaft is movably connected to the large gear disk through a bearing. A connecting plate is provided at the edge of the end of the support column away from the connecting rod, and a servo motor is fixedly connected to the connecting plate. A small gear disk is provided on the output shaft of the servo motor, and the small gear disk meshes with the large gear disk. Multiple guide plates are distributed at equal intervals in a circumferential direction at both ends of the support column. Multiple arc-shaped grooves are opened at equal intervals in a circumferential direction on one side of the large gear disk. A drive rod corresponding to the size of the arc-shaped groove is provided at the end of the movable plate away from the clamping plate, and the drive rod is inserted into the arc-shaped groove opened on the large gear disk.

[0015] Furthermore, a movable plate is slidably provided inside the guide plate, and a clamping plate for supporting the inner circle of the roll material is fixedly connected to one end of the movable plate away from the guide plate.

[0016] Compared with related technologies, the uncoiler provided by the present invention has the following beneficial effects:

[0017] 1. The first hydraulic cylinder drives the arc-shaped drive plate to rotate on the outer surface of the horizontal shaft. The arc-shaped drive plate will simultaneously drive the drive arm and the pressure roller to move towards the roll material, so that the pressure roller is pressed against the outer surface of the roll material, which to a certain extent prevents the roll material from becoming loose during the unwinding process.

[0018] 2. By replacing the chain with an arc-shaped drive plate and drive arm, the torque is increased to improve the clamping force of the pressure roller on the roll material. Multiple clamping plates are used to simultaneously support the inner circle of the roll material to improve the prestress of the roll material.

[0019] 3. By starting the second hydraulic cylinder, the conical drive block is driven to squeeze the two inclined blocks, which simultaneously drive the two movable pressure plates to rotate at both ends of the mounting base. When the two movable pressure plates rotate, the two wear-resistant brake pads squeeze the disc at the same time. By squeezing the disc synchronously with the two wear-resistant brake pads, the disc and drive shaft are decelerated and stopped by friction, which reduces the inertial force of the shaft to a certain extent. Attached Figure Description

[0020] Figure 1 A schematic diagram of a preferred embodiment of the uncoiler provided by the present invention. Figure 1 ;

[0021] Figure 2 A schematic diagram of a preferred embodiment of the uncoiler provided by the present invention. Figure 2 ;

[0022] Figure 3 This is a cross-sectional structural schematic diagram of the uncoiler provided by the present invention;

[0023] Figure 4 This is a schematic diagram of the structure of the hydraulic station provided by the present invention;

[0024] Figure 5 This is a schematic diagram of the structure of the pressure roller assembly provided by the present invention;

[0025] Figure 6 This is a schematic diagram of the structure of the disc brake assembly provided by the present invention;

[0026] Figure 7 This is a schematic diagram of the structure of the uncoiler body provided by the present invention;

[0027] Figure 8 A schematic diagram of the drive mechanism provided by the present invention;

[0028] Figure 9 This is a schematic diagram of the shaft disk mechanism provided by the present invention;

[0029] Figure 10 This is a schematic diagram of the structure of the adjusting member provided by the present invention;

[0030] Figure 11 This is a schematic diagram of the structure of a second embodiment of the uncoiler provided by the present invention;

[0031] Figure 12 An exploded structural diagram of the power mechanism provided by the present invention.

[0032] Labels in the diagram: 1. Frame; 2. Hydraulic station; 3. Uncoiler body; 4. Disc; 5. Mounting frame; 6. Horizontal shaft; 7. Drive arm; 8. First hydraulic cylinder; 9. Arc-shaped drive plate; 10. Pressure roller; 11. Mounting plate; 12. Second hydraulic cylinder; 13. Mounting seat; 14. Baffle; 15. Movable pressure plate; 16. Wear-resistant brake pad; 17. Inclined block; 18. Conical drive block; 19. Elastic element; 20. Support frame; 21. Drive shaft; 22. Base plate; 23. Fixed seat; 24. Gear motor; 5. Bearing housing; 26. Connecting shaft; 27. First sprocket; 28. Second sprocket; 29. ​​Support plate; 30. Support block; 31. Support plate; 32. Slider; 33. Rotating shaft; 34. Connecting plate; 35. Base rod; 36. Movable ring; 37. Movable rod; 38. Support column; 39. Guide plate; 40. Connecting plate; 41. Servo motor; 42. Large gear plate; 43. Small gear plate; 44. Connecting rod; 45. Shaft; 46. Arc groove; 47. Movable plate; 48. Clamping plate; 49. Drive rod. Detailed Implementation

[0033] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0034] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 as well as Figure 12 ,in, Figure 1 A schematic diagram of a preferred embodiment of the uncoiler provided by the present invention. Figure 1 ; Figure 2 A schematic diagram of a preferred embodiment of the uncoiler provided by the present invention. Figure 2 ; Figure 3 This is a cross-sectional structural schematic diagram of the uncoiler provided by the present invention; Figure 4 This is a schematic diagram of the structure of the hydraulic station provided by the present invention; Figure 5 This is a schematic diagram of the structure of the pressure roller assembly provided by the present invention; Figure 6 This is a schematic diagram of the structure of the disc brake assembly provided by the present invention; Figure 7 This is a schematic diagram of the structure of the uncoiler body provided by the present invention; Figure 8 A schematic diagram of the drive mechanism provided by the present invention; Figure 9 This is a schematic diagram of the shaft disk mechanism provided by the present invention; Figure 10 This is a schematic diagram of the structure of the adjusting member provided by the present invention; Figure 11 This is a schematic diagram of the structure of a second embodiment of the uncoiler provided by the present invention; Figure 12 An exploded structural diagram of the power mechanism provided by the present invention.

[0035] In the description of this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0036] In the specific implementation process, such as Figures 1-10 As shown, an uncoiler includes a frame 1, a hydraulic station 2, and an uncoiler body 3. The uncoiler body 3 is mounted on the frame 1 and is used to drive the coil material to rotate. A pressure roller assembly for providing clamping force to the coil material is mounted on one side of the uncoiler body 3. A disc 4 is fixedly mounted on the uncoiler body 3, and a disc brake assembly for emergency stopping the uncoiler body 3 is provided on one side of the disc 4. The hydraulic station 2 is located on one side of the frame 1 and is used to control the hydraulic drive. The pressure roller assembly includes two opposing mounting brackets 5, a horizontal shaft 6, a drive arm 7, and a first hydraulic cylinder 8. The first hydraulic cylinder 8 and the two mounting brackets 5 are respectively fixedly connected to the top of the frame 1. One end of the horizontal shaft 6 passes through the two mounting brackets 5 respectively. An arc-shaped drive plate 9 is fixedly installed on the outer surface of the coil. The end of the arc-shaped drive plate 9 away from the horizontal axis 6 is hinged to the output end of the first hydraulic cylinder 8. The drive arm 7 is fixedly connected to one end of the horizontal axis 6, and the pressure roller 10 is movably installed on the end of the drive arm 7 away from the horizontal axis 6. The hydraulic station 2 provides power to the first hydraulic cylinder 8, which drives the arc-shaped drive plate 9 to rotate on the outer surface of the horizontal axis 6. The arc-shaped drive plate 9 will simultaneously drive the drive arm 7 and the pressure roller 10 to move towards the coil, so that the pressure roller 10 is pressed against the outer surface of the coil, which to a certain extent prevents the coil from becoming loose during the unwinding process. The torque is increased by replacing the chain with the arc-shaped drive plate 9 and the drive arm 7, which increases the clamping force of the pressure roller 10 on the coil.

[0037] The disc brake assembly includes a mounting plate 11 installed on one side of the uncoiler, a second hydraulic cylinder 12, a mounting base 13, and a baffle 14. The second hydraulic cylinder 12 and the mounting base 13 are fixedly connected to the top of the mounting plate 11. Two movable pressure plates 15 are hinged to both ends of the mounting base 13. Wear-resistant brake pads 16 and inclined blocks 17 are hinged to both ends of the two movable pressure plates 15. A conical drive block 18 is fixedly connected to the output end of the second hydraulic cylinder 12. The two sides of the conical drive block 18 are respectively in contact with the side walls of the two inclined blocks 17. The baffle 14 is installed on the top of the mounting plate 11. An elastic element 19 is fixedly connected to one side of the plate 14. The end of the elastic element 19 away from the baffle 14 is fixedly connected to one end of the movable pressure plate 15. By starting the second hydraulic cylinder 12, the conical drive block 18 is driven to squeeze the two inclined blocks 17, which simultaneously drives the two movable pressure plates 15 to rotate at both ends of the mounting base 13. When the two movable pressure plates 15 rotate, the two wear-resistant brake pads 16 simultaneously squeeze the disc 4. By the two wear-resistant brake pads 16 simultaneously squeezing the disc 4, the friction force is used to decelerate and brake the disc 4 and the drive shaft 21, thereby reducing the inertial force of the rotating shaft 33 to a certain extent.

[0038] The uncoiling machine body 3 includes a support frame 20, a drive shaft 21, a drive mechanism, and a shaft disc mechanism for supporting the coil material. The support frame 20 is fixedly connected to the top of the frame 1. The drive shaft 21 is movably inserted inside the support frame 20. The shaft disc mechanism is arranged around the end of the drive shaft 21 away from the support frame 20. The drive mechanism is installed on the top of the support frame 20, and its output end is connected to the drive shaft 21. The drive mechanism includes a base plate 22, a fixed seat 23, a reduction motor 24, a bearing seat 25, a connecting shaft 26, a first sprocket 27, and a second sprocket 28. The base plate 22 is fixedly connected to the top of the support frame 20. The geared motor 24, the fixed seat 23, and the bearing seat 25 are respectively fixedly connected to the top of the base plate 22. The output end of the geared motor 24 is connected to the connecting shaft 26 through a coupling. One end of the connecting shaft 26 passes through the bearing seat 25. The first sprocket 27 and the second sprocket 28 are respectively encircled on the outer surfaces of the connecting shaft 26 and the drive shaft 21. The first sprocket 27 and the second sprocket 28 are connected by a chain. The shaft disc mechanism includes a support disc 29, two opposing support blocks 30, and multiple support plates 31. The disc 29 and two support blocks 30 are respectively encircled at the end of the drive shaft 21 away from the support frame 20. An adjusting component for adjusting the distance is installed between the two support blocks 30. Multiple support plates 31 are respectively encircled around the edges of the support blocks 30. The bottom of each of the multiple support plates 31 is provided with two sliders 32. One end of each slider 32 is inclined, and the inclined surfaces of each slider 32 are movably installed in the grooves on the edges of the two support blocks 30. Further, the adjusting component includes a bottom rod 35, a movable ring 36, and a movable rod 37. The bottom rod 35 is fixedly connected to one of the supports. On one side of the support block 30, a movable ring 36 is mounted around one end of the bottom rod 35. One end of the movable rod 37 is threadedly connected to the movable ring 36, and one end of the movable rod 37 is movably connected to one side of another support block 30. By starting the reduction motor 24, the connecting shaft 26 is driven to rotate, and the connecting shaft 26 drives the drive shaft 21 to rotate via a chain. The drive shaft 21 drives the shaft disc mechanism to rotate to unwind the roll material. By rotating the movable rod 37, the distance between the two support blocks 30 can be adjusted, which can support the roll material with different winding degrees to a certain extent. Example 2

[0039] In the specific implementation process, such as Figures 11-12As shown, following the same structure as detailed in Embodiment 1, the difference from Embodiment 1 is that the shaft-disc mechanism includes a rotating shaft 33 fixed to the drive shaft 21, a connecting disk 34, and a power mechanism for supporting the inner circle of the roll material. The connecting disk 34 is fixedly connected to the end of the rotating shaft 33 away from the drive shaft 21, and the power mechanism is fixedly connected to the end of the connecting disk 34 away from the rotating shaft 33. The power mechanism includes a support column 38, a guide plate 39, a connecting plate 40, a servo motor 41, a large gear disk 42, and a small gear disk 43. A connecting rod 44 is fixedly connected to the center of one end of the support column 38. The connecting rod 44 is fixedly connected to the connecting plate 34. A shaft 45 is provided at the center of the end of the support column 38 away from the connecting rod 44. The shaft 45 is movably connected to the large gear disk 42 through a bearing. A connecting plate 40 is provided at the edge of the end of the support column 38 away from the connecting rod 44. A servo motor 41 is fixedly connected to the connecting plate 40. A small gear disk 43 is provided on the output shaft of the servo motor 41. The small gear disk 43 meshes with the large gear disk 42. Multiple guide plates 39 are distributed at equal intervals in the circumferential direction at both ends of the support column 38. Multiple arc-shaped sections are equally spaced in the circumferential direction on one side of the large gear disk 42. The groove 46 and the movable plate 47 are provided with a drive rod 49 corresponding to the size of the arc-shaped groove 46 at one end away from the clamping plate 48. The drive rod 49 is inserted into the arc-shaped groove 46 opened on the large gear plate 42. The movable plate 47 is slidably provided in the guide plate 39. The movable plate 47 is fixedly connected to the clamping plate 48 for supporting the inner circle of the roll material at one end away from the guide plate 39. When the servo motor 41 is started, the small gear plate 43 meshes with the large gear plate 42 to drive the large gear plate 42 to rotate. When the large gear plate 42 rotates, it can drive the drive rod 49 to slide in the arc-shaped groove 46, thereby driving the movable plate 47 to rotate. Plate 47 slides within guide plate 39, and multiple clamping plates 48 clamp and support the inner circle of the roll material. Drive shaft 21 drives rotating shaft 33 to rotate. When rotating shaft 33 rotates, it can drive the roll material on clamping plate 48 to rotate and unwind through connecting plate 34. Start reduction motor 24 drives connecting shaft 26 to rotate, and connecting shaft 26 drives drive shaft 21 to rotate through chain. Drive shaft 21 drives shaft disc mechanism to rotate and unwind the roll material. Multiple clamping plates synchronously support the inner circle of the roll material, which to a certain extent improves the prestress of the roll material.

[0040] The working principle provided by this invention is as follows: The hydraulic station 2 provides power to the first hydraulic cylinder 8 and the second hydraulic cylinder 12. The first hydraulic cylinder 8 starts, causing the arc-shaped drive plate 9 to rotate on the outer surface of the horizontal shaft 6. Simultaneously, the arc-shaped drive plate 9 drives the drive arm 7 and the pressure roller 10 to move towards the coil material, causing the pressure roller 10 to press against the outer surface of the coil material. This prevents the coil material from becoming loose during unwinding to a certain extent, further increasing the clamping force of the pressure roller 10 on the coil material. When the servo motor 41 is started, the small gear 43 meshes with the large gear 42, causing the large gear 42 to rotate. When the large gear 42 rotates, it can drive the drive rod 49 to slide in the arc groove 46, thereby driving the movable plate 47 to slide in the guide plate 39. Multiple clamping plates 48 clamp and support the inner circle of the roll material. The drive shaft 21 drives the rotating shaft 33 to rotate. When the rotating shaft 33 rotates, it can drive the roll material on the clamping plate 48 to rotate and unwind through the connecting plate 34. The starting reduction motor 24 drives the connecting shaft 26 to rotate, and the connecting shaft 26 drives the drive shaft 21 to rotate through the chain. The drive shaft 21 drives the shaft disc mechanism to rotate and unwind the roll material. The distance between the two support blocks 30 can be adjusted by rotating the movable rod 37, which can support the roll material with different winding degrees to a certain extent.

[0041] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the scope of the invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0042] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An uncoiler, characterized in that, The machine includes a frame (1), a hydraulic station (2), and an uncoiler body (3). The uncoiler body (3) is mounted on the frame (1) and is used to drive the roll material to rotate. A pressure roller assembly for providing clamping force to the roll material is installed on one side of the uncoiler body (3). A disc (4) is fixedly mounted on the uncoiler body (3). A disc brake assembly for emergency stopping the uncoiler body (3) is provided on one side of the disc (4). The hydraulic station (2) is located on one side of the frame (1) and is used to control the hydraulic drive. The pressure roller assembly includes two opposing mounting brackets (5), a horizontal shaft (6), a drive arm (7), and a first hydraulic cylinder (8). The first hydraulic cylinder (8) and the two mounting brackets (5) are respectively fixedly connected to the top of the frame (1). One end of the horizontal shaft (6) passes through the two mounting brackets (5). An arc-shaped drive plate (9) is fixedly installed on the outer surface of the horizontal shaft (6). The end of the arc-shaped drive plate (9) away from the horizontal shaft (6) is hinged to the output end of the first hydraulic cylinder (8). The drive arm (7) is fixedly connected to one end of the horizontal shaft (6), and a pressure roller (10) is movably installed on the end of the drive arm (7) away from the horizontal shaft (6). The disc brake assembly includes a mounting plate (11) installed on one side of the uncoiler, a second hydraulic cylinder (12), a mounting base (13), and a baffle (14). The second hydraulic cylinder (12) and the mounting base (13) are respectively fixedly connected to the top of the mounting plate (11). Two movable pressure plates (15) are respectively hinged to both ends of the mounting base (13). Wear-resistant brake pads (16) and inclined blocks (17) are respectively hinged to both ends of the two movable pressure plates (15). A conical drive block (18) is fixedly connected to the output end of the second hydraulic cylinder (12). The two sides of the conical drive block (18) are respectively in contact with the side walls of the two inclined blocks (17). The baffle (14) is installed on the top of the mounting plate (11). An elastic element (19) is fixedly connected to one side of the baffle (14). The end of the elastic element (19) away from the baffle (14) is fixedly connected to one end of the movable pressure plate (15).

2. The uncoiler according to claim 1, characterized in that, The uncoiling machine body (3) includes a support frame (20), a drive shaft (21), a drive mechanism, and a shaft disc mechanism for supporting the roll material. The support frame (20) is fixedly connected to the top of the frame (1). The drive shaft (21) is movably inserted inside the support frame (20). The shaft disc mechanism is arranged around the end of the drive shaft (21) away from the support frame (20). The drive mechanism is installed on the top of the support frame (20), and the output end of the drive mechanism is connected to the drive shaft (21).

3. The uncoiler according to claim 2, characterized in that, The drive mechanism includes a base plate (22), a fixed seat (23), a geared motor (24), a bearing seat (25), a connecting shaft (26), a first sprocket (27), and a second sprocket (28). The base plate (22) is fixedly connected to the top of the support frame (20). The geared motor (24), the fixed seat (23), and the bearing seat (25) are respectively fixedly connected to the top of the base plate (22). The output end of the geared motor (24) is connected to the connecting shaft (26) through a coupling. One end of the connecting shaft (26) passes through the bearing seat (25). The first sprocket (27) and the second sprocket (28) are respectively arranged around the outer surface of the connecting shaft (26) and the drive shaft (21). The first sprocket (27) and the second sprocket (28) are connected by a chain.

4. The uncoiler according to claim 3, characterized in that, The shaft disc mechanism includes a support disc (29), two opposing support blocks (30), and multiple support plates (31). The support disc (29) and the two support blocks (30) are respectively arranged around the end of the drive shaft (21) away from the support frame (20). An adjusting member for adjusting the spacing is installed between the two support blocks (30). The multiple support plates (31) are respectively arranged around the edge of the support blocks (30). The bottom of the multiple support plates (31) is provided with two sliders (32). One end of the two sliders (32) is inclined, and the inclined surfaces of the two sliders (32) are respectively movably installed in the grooves on the edge of the two support blocks (30).

5. The uncoiler according to claim 3, characterized in that, The shaft and disc mechanism includes a rotating shaft (33) fixed to the drive shaft (21), a connecting disc (34), and a power mechanism for supporting the inner circle of the roll material. The connecting disc (34) is fixedly connected to one end of the rotating shaft (33) away from the drive shaft (21), and the power mechanism is fixedly connected to one end of the connecting disc (34) away from the rotating shaft (33).

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