Steel belt uncoiling equipment

Abstract

The invention relates to the technical field of metal processing, and particularly discloses steel belt uncoiling equipment which comprises a main machine, a coil supporting assembly and a protective cover, the coil supporting assembly is rotationally connected to the main machine, the protective cover is installed on one side of the main machine, the driving mechanism is arranged in the protective cover, and the driving mechanism comprises a supporting assembly installed on one side of the main machine. A first gear is slidably connected to the outer side of the supporting assembly, a second gear is connected to the top of the first gear in a meshed mode, and a driving part is installed at one end of the second gear; according to the steel belt uncoiling equipment, in the rotating process of the material pressing assembly, the extrusion assembly drives the material pressing assembly to extrude a steel coil, when the material pressing assembly reaches the material head of the steel coil, the material pressing assembly presses the material head of the steel coil, at the moment, the main machine drives the steel coil to rotate through the coil supporting assembly, and the material pressing assembly synchronously rotates along with the steel coil; and therefore, the material head of the steel coil is transferred to the upper part, so that the material head of the steel coil falls on the guide plate.

Description

Technical Field

[0001] The invention relates to the technical field of metal processing, and in particular to a steel strip uncoiling device. Background Art

[0002] Uncoiler is a special equipment for leveling metal plates. It is used for leveling steel plates and uneven plates. It can be used to form uncoiler, leveling, shearing production lines and other plate product production lines according to relevant configurations. It is suitable for machinery, vehicles, metal products, household appliances, steel structures, decoration and other industries. Uncoiler is often used in conjunction with leveling machine and laser cutting machine to achieve automation.

[0003] A double-cone head decoiler disclosed in Chinese patent application publication number CN113909331A, the double-cone head decoiler, by providing a movable plate, a rigid spring, a vertical rod and a flexible spring, pulls the vertical rod upward, so that the movable block and the vertical rod move upward together, at this time the bottom end of the vertical rod will be separated from the fan-shaped plate body, thereby releasing the fixing effect on the movable plate, due to the elastic recovery ability of the rigid spring, the movable plate will move to the right, thereby fixing steel coil materials of different sizes, improving the practicality of the device.

[0004] With regard to the above-mentioned related technologies, the inventors believe that when the steel coil starts to rotate, if the steel coil is placed in a position where the head of the steel coil cannot fall onto the guide plate of the leveling machine, the staff will need to manually pull it, which will not only easily cause the steel strip to scratch the staff, but also make the efficiency of automated processing low.

[0005] Therefore, we propose a steel strip unwinding device to solve the above problems. Summary of the invention

[0006] The present invention provides a steel strip uncoiling device, aiming to solve the problem in the related art that the steel coil head cannot fall smoothly onto a guide plate and needs to be manually pulled by a worker.

[0007] The steel strip uncoiling device of the present invention comprises: A main machine, a coil support assembly and a protective cover, wherein the coil support assembly is rotatably connected to the main machine to fix the steel coil, and the protective cover is installed on one side of the main machine; A driving mechanism is arranged in the protective cover, the driving mechanism comprises a supporting assembly installed on one side of the main machine, a first gear is slidably connected to the outer side of the supporting assembly, a second gear is meshedly connected to the top of the first gear, and a driving member is installed at one end of the second gear; A material pressing mechanism is arranged on the driving mechanism to press the material head of the steel coil, and the material pressing mechanism includes an extrusion component, a material pressing component, an adjustment component and a conductive component, wherein the conductive component is arranged on the first gear, the extrusion component is rotatably connected to the conductive component, the material pressing component is arranged on the extrusion component, the adjustment component is arranged in the extrusion component, and the extrusion component is provided with an incomplete gear; A leveling mechanism is arranged on one side of the main machine to level the steel strip. The leveling mechanism includes a leveling component arranged on one side of the main machine. A material guide plate is arranged on the leveling component. The leveling component can drive the material guide plate to move laterally and rotate axially. A limit plate is installed on one side of the top of the material guide plate. A rack is installed on the side of the top of the material guide plate close to the limit plate.

[0008] Preferably, the extrusion assembly includes a shell, a first slide, a telescopic member and a rotating cylinder, the rotating cylinder is rotatably connected to one end of the conductive assembly, the incomplete gear is installed on the outside of the rotating cylinder, the shell is installed at one end of the rotating cylinder, the first slide is slidably connected to the inside of the shell, and the telescopic member is installed on one side of the first slide.

[0009] Preferably, a first slide bar is installed on one side of the first slide plate, a first elastic member is installed on the inner bottom wall of the first slide plate, and a limiting member is installed on the top of the first elastic member.

[0010] Preferably, a second elastic member is installed on one side of the first slide plate, two second elastic members are symmetrically arranged along the adjustment assembly, and one end of the second elastic member is installed on the inner wall of the shell.

[0011] Preferably, the pressing assembly comprises a support frame, a first pressing roller and a second pressing roller. The support frame is installed on one side of the telescopic member, and the first pressing roller and the second pressing roller are both rotatably connected to the inside of the support frame.

[0012] Preferably, the adjustment assembly includes a connecting tube, a lead screw, a threaded sleeve and a push rod, one end of the connecting tube is installed on one side of the first slide, one end of the lead screw is rotatably connected to one side of the first slide, the threaded sleeve is threadedly connected to the outside of the lead screw, one end of the push rod is installed on one side of the threaded sleeve, and the other end of the push rod passes through the connecting tube and extends to the outside of the connecting tube.

[0013] Preferably, the conductive assembly comprises a fixed cylinder and a conductive block, and the fixed cylinder is rotatably connected to one end of the rotating cylinder.

[0014] Preferably, two second sliding rods are installed inside the fixing tube, a third elastic member is sleeved on the outer side of the second sliding rod, a second slide plate is installed on one end of the third elastic member, and the second slide plate is slidably connected to the outer side of the second sliding rod.

[0015] Preferably, the second slide plate is provided with a groove for the push rod to pass through.

[0016] Preferably, the support assembly comprises a support plate installed on one side of the host, a conductive ring is installed on the outer side of one end of the support plate, and the conductive block is arranged on one side of the conductive ring.

[0017] By adopting the above technical scheme, the beneficial effects of the present invention are as follows: the driving member drives the second gear to rotate through the second gear, and the second gear drives the pressing assembly to rotate along the outside of the steel coil when it rotates. During the rotation of the pressing assembly, the extrusion assembly drives the pressing assembly to squeeze the steel coil. When the pressing assembly reaches the head of the steel coil, the pressing assembly presses the head of the steel coil. At this time, the main machine drives the steel coil to rotate through the coil supporting assembly, and the pressing assembly rotates synchronously with the steel coil, so that the head of the steel coil is transferred to the upper side, so that the head of the steel coil can fall onto the guide plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of a specific embodiment of the present invention.

[0019] Figure 2 It is a schematic structural diagram of a coil support assembly according to a specific embodiment of the present invention.

[0020] Figure 3 It is a schematic structural diagram of a support assembly according to a specific embodiment of the present invention.

[0021] Figure 4 It is a schematic structural diagram of a material pressing assembly in a specific embodiment of the present invention.

[0022] Figure 5 It is a schematic diagram of the internal structure of a shell of a specific embodiment of the present invention.

[0023] Reference numerals: 11. Main machine; 12. Roll support assembly; 13. Protective cover; 21. Support assembly; 211. Support plate; 212. Conductive ring; 22. First gear; 23. Second gear; 24. Driving member; 31. Extrusion assembly; 311. Shell; 312. First slide plate; 313. First slide bar; 314. Telescopic member; 315. First elastic member; 316. Stop member; 317. Second elastic member; 318. Rotating cylinder; 319. Incomplete gear; 32. Pressing assembly; 321. Support frame; 322. First pressing roller; 323. Second pressing roller; 33. Adjusting assembly; 331. Connecting cylinder; 332. Lead screw; 333. Threaded sleeve; 334. Push rod; 34. Conductive assembly; 341. Fixed cylinder; 342. Second slide bar; 343. Third elastic member; 344. Second slide plate; 345. Conductive block; 41. Leveling assembly; 42. Material guide plate; 43. Limiting plate; 44. Rack. DETAILED DESCRIPTION

[0024] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0025] like Figures 1 to 5 As shown, the steel strip unwinding equipment of the present invention includes a main machine 11, a coil support assembly 12, a protective cover 13, a driving mechanism and a pressing mechanism. A leveling mechanism is provided on one side of the main machine 11 to level the steel strip. The coil support assembly 12 is rotatably connected to the main machine 11 to fix the steel coil. The protective cover 13 is installed on one side of the main machine 11, the driving mechanism is arranged inside the protective cover 13, and the pressing mechanism is arranged on the driving mechanism to press the head of the steel coil.

[0026] like Figures 1 to 3 As shown, the driving mechanism includes a supporting assembly 21 installed on one side of the main machine 11, and a first gear 22 is slidably connected to the outer side of the supporting assembly 21. The pressing mechanism is arranged at one end edge of the first gear 22, and the top of the first gear 22 is meshingly connected to the second gear 23. The first gear 22 and the second gear 23 are both located in the protective cover 13, and a driving member 24 is installed at one end of the second gear 23. In this embodiment, the driving member 24 is a servo motor, and a driving shaft on the driving member 24 is fixed to one end of the second gear 23. One end of the driving member 24 is installed on the other side of the main machine 11, and the driving member 24 can drive the pressing mechanism on the first gear 22 to rotate through the second gear 23.

[0027] Continue to refer Figures 1 to 3 As shown, the pressing mechanism includes an extrusion component 31, a pressing component 32, an adjustment component 33 and a conductive component 34. The conductive component 34 is arranged on the first gear 22, the extrusion component 31 is rotatably connected to the conductive component 34, the pressing component 32 is arranged on the extrusion component 31, and the adjustment component 33 is arranged in the extrusion component 31.

[0028] The extrusion component 31 pushes the pressing component 32 toward the steel coil, and then the driving member 24 can drive the conductive component 34 on the first gear 22 to rotate through the second gear 23, thereby driving the pressing component 32 to rotate around the steel coil. When the pressing component 32 contacts the head of the steel coil, the extrusion component 31 pushes the pressing component 32 to move again, so that the pressing component 32 presses the head of the steel coil. At this time, the coil support component 12 drives the steel coil to rotate, and the pressing component 32 rotates synchronously with the steel coil, so that the head of the steel coil is transferred to the upper side, so that the head of the steel coil can fall onto the leveling mechanism during the unwinding process of the steel coil.

[0029] like Figures 3 to 5 As shown, the extrusion assembly 31 includes a shell 311, a first slide 312, a telescopic member 314 and a rotating cylinder 318. The rotating cylinder 318 is rotatably connected to one end of the conductive assembly 34. An incomplete gear 319 is installed on the outside of the rotating cylinder 318. The shell 311 is installed at one end of the rotating cylinder 318, and the interior of the shell 311 is connected to the interior of the rotating cylinder 318. The first slide 312 is slidably connected to the interior of the shell 311, and the telescopic member 314 is installed on one side of the first slide 312. In this embodiment, the telescopic member 314 is a plate-like structure. In other embodiments, the telescopic member 314 is a rod-like structure. One end of the telescopic member 314 passes through the shell 311 and is installed on the pressing assembly 32. The shell 311 is provided with a groove for the telescopic member 314 to slide. The adjustment assembly 33 is installed on the other side of the first slide 312.

[0030] like Figure 4 and Figure 5 As shown, a first slide bar 313 is installed on one side of the first slide plate 312, and the first slide bar 313 passes through the shell 311 and extends to the outside of the shell 311. A groove for the first slide bar 313 to slide is provided on the shell 311, and a first elastic member 315 is installed on the inner bottom wall of the first slide plate 312. In the present embodiment, the first elastic member 315 is an elastic sheet. In other embodiments, the first elastic member 315 is a spring. A limiting member 316 is installed on the top of the first elastic member 315. In the present embodiment, the limiting member 316 is T-shaped, a groove for the limiting member 316 to pass through is provided on the shell 311, and the top of the limiting member 316 has an arc surface, which is convenient for squeezing the limiting member 316 into the shell 311.

[0031] Continue to refer Figure 4 and Figure 5 As shown, a second elastic member 317 is installed on one side of the first slide plate 312. There are two second elastic members 317, and the two second elastic members 317 are symmetrically arranged along the adjustment assembly 33. In this embodiment, the second elastic member 317 is a spring, and one end of the second elastic member 317 is installed on the inner wall of the shell 311. In the initial state, the second elastic member 317 is in a compressed state. When the limit member 316 is squeezed and enters the shell 311, the second elastic member 317 is reset and drives the telescopic member 314 to extend through the first slide plate 312.

[0032] like Figure 3 and Figure 4 As shown, the pressing assembly 32 includes a support frame 321, a first pressing roller 322 and a second pressing roller 323. The support frame 321 is installed on one side of the telescopic member 314. The first pressing roller 322 and the second pressing roller 323 are both rotatably connected to the inside of the support frame 321. The second pressing roller 323 is located above the first pressing roller 322, and the diameter of the second pressing roller 323 is smaller than the diameter of the first pressing roller 322.

[0033] When the limiting member 316 is squeezed into the shell 311, under the action of the second elastic member 317, the first slide plate 312 drives the support frame 321 to approach the steel coil through the telescopic member 314, and when the first pressure roller 322 contacts the steel strip, there is a gap between the second pressure roller 323 and the steel strip. When the first pressure roller 322 passes over the material head, the first slide plate 312 further drives the first pressure roller 322 to approach the steel coil through the telescopic member 314. At this time, the second pressure roller 323 is pressed at the material head of the steel coil.

[0034] like Figures 3 to 5 As shown, the adjustment assembly 33 includes a connecting tube 331, a lead screw 332, a threaded sleeve 333 and a push rod 334. One end of the connecting tube 331 is installed on one side of the first slide 312. The lead screw 332 is located inside the connecting tube 331, and one end of the lead screw 332 is rotatably connected to one side of the first slide 312. The threaded sleeve 333 is threadedly connected to the outside of the lead screw 332. One end of the push rod 334 is installed on one side of the threaded sleeve 333. The other end of the push rod 334 passes through the connecting tube 331 and extends to the outside of the connecting tube 331. The connecting tube 331 is provided with a groove for the push rod 334 to slide.

[0035] Continue to refer Figures 3 to 5 As shown, the conductive component 34 includes a fixed cylinder 341 and a conductive block 345. The fixed cylinder 341 is rotatably connected to one end of the rotating cylinder 318. A torque spring (not shown in the figure) is provided on the fixed cylinder 341. The torque spring on the fixed cylinder 341 is connected to the rotating cylinder 318 to drive the rotating cylinder 318 to reset.

[0036] like Figure 5 As shown, two second sliding rods 342 with a spacing therebetween are installed inside the fixed cylinder 341, and a third elastic member 343 is sleeved on the outer side of the second sliding rod 342. In this embodiment, the third elastic member 343 is a spring. In other embodiments, the third elastic member 343 is an elastic rubber sleeve, and a second slide plate 344 is installed on one end of the third elastic member 343.

[0037] Continue to refer Figure 5 As shown, the second slide plate 344 is slidably connected to the outside of the second slide rod 342, and the second slide plate 344 is L-shaped. One side of the second slide plate 344 is located inside the fixed cylinder 341, and the other side of the second slide plate 344 passes through one end of the fixed cylinder 341 and extends to the outside of the fixed cylinder 341. One end of the fixed cylinder 341 is provided with a groove for the second slide plate 344 to slide. The conductive block 345 is located outside the fixed cylinder 341 and is installed on the top side of the second slide plate 344.

[0038] Continue to refer Figure 5As shown, a groove for the push rod 334 to pass through is opened on the second slide plate 344. The threaded sleeve 333 is driven to move along the screw 332 by rotating the screw 332 to adjust the initial position of the push rod 334 to adapt to steel coils of different thicknesses. When the first pressure roller 322 contacts the steel strip, the push rod 334 is located at the end of the groove on the second slide plate 344 for the push rod 334 to pass through.

[0039] like Figure 2 and Figure 3 As shown, the support assembly 21 includes a support plate 211 installed on one side of the main machine 11, a hole is opened in the middle of the support plate 211 for the support roll assembly 12 to pass through, a conductive ring 212 is installed on the outer side of one end of the support plate 211, and the conductive block 345 is arranged on one side of the conductive ring 212.

[0040] like Figure 1 , Figure 4 and Figure 5 As shown, the leveling mechanism includes a leveling component 41 arranged on one side of the main machine 11, and a material guide plate 42 is arranged on the leveling component 41. The leveling component 41 can drive the material guide plate 42 to move laterally and rotate axially. A limit plate 43 is installed on the top side of the material guide plate 42, and a rack 44 is installed on the top side of the material guide plate 42 close to the limit plate 43. The shape of the rack 44 is arc-shaped. When the material guide plate 42 moves laterally, the limit member 316 can be squeezed into the interior of the shell 311.

[0041] When the steel coil is unrolled, the leveling assembly 41 drives the guide plate 42 to move on the top of the shell 311 and squeezes the limit member 316 into the interior of the shell 311. At this time, under the action of the second elastic member 317, the first slide plate 312 is pushed to move in the shell 311. At this time, the first slide plate 312 drives the first pressure roller 322 and the second pressure roller 323 on the support frame 321 to approach the steel coil through the telescopic member 314, so that the first pressure roller 322 contacts the steel coil.

[0042] During the movement of the first slide plate 312 , the first slide plate 312 drives the push rod 334 on the threaded sleeve 333 to move through the lead screw 332 , so that the push rod 334 is inserted into the groove of the second slide plate 344 .

[0043] Then start the driving member 24. At this time, the driving member 24 drives the first gear 22 to rotate through the second gear 23. During the rotation of the first gear 22, the first pressure roller 322 and the second pressure roller 323 are driven to rotate around the steel coil through the fixed cylinder 341. When the first pressure roller 322 passes over the material head, the first slide plate 312 moves further to press the second pressure roller 323 on the material head of the steel coil. At the same time, the push rod 334 moves further with the first slide plate 312. The push rod 334 drives the conductive block 345 to fit with the conductive ring 212 through the second slide plate 344, so that the main machine 11 is powered on. At this time, the axis of the push rod 334 and the axis of the fixed cylinder 341 are located on the same straight line.

[0044] When the main machine 11 is powered on, the main machine 11 drives the steel coil to rotate through the coil supporting assembly 12. At the same time, the first pressure roller 322 and the second pressure roller 323 rotate synchronously with the steel coil. When the material head of the steel coil is transferred to the top of the guide plate 42, the main machine 11 controls the steel coil to stop rotating through the coil supporting assembly 12. At this time, the first gear 22 continues to drive the first pressure roller 322 and the second pressure roller 323 to rotate along the steel coil, and makes the shell 311 fall between the limit plate 43 and the rack 44.

[0045] As the first gear 22 continues to rotate, the first slide bar 313 is gradually reset under the action of the limit plate 43. When the first slide bar 313 is reset to the limit position, under the action of the first elastic member 315, the limit member 316 extends out of the shell 311 to limit the first pressure roller 322 and the second pressure roller 323. At this time, the incomplete gear 319 on the rotating cylinder 318 is meshed with the rack 44. As the first gear 22 continues to rotate, the rack 44 drives the rotating cylinder 318 to rotate through the incomplete gear 319, thereby driving the first pressure roller 322 and the second pressure roller 323 to rotate upward, so that the height of the first pressure roller 322 and the second pressure roller 323 is higher than the height of the limit plate 43 and the rack 44, and the steel coil begins to be unwound.

[0046] When unwinding, the steel coil passes through the first pressing roller 322 and the second pressing roller 323 in sequence and falls onto the guide plate 42. As the steel coil continues to be unwound, the head of the steel coil enters the leveling assembly 41 along the guide plate 42 for leveling.

[0047] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0048] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0049] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A steel strip unwinding device, characterized in that: include: A main machine (11), a coil support assembly (12) and a protective cover (13), wherein the coil support assembly (12) is rotatably connected to the main machine (11) to fix the steel coil, and the protective cover (13) is installed on one side of the main machine (11); A driving mechanism is arranged in the protective cover (13), the driving mechanism comprising a supporting assembly (21) mounted on one side of the main machine (11), a first gear (22) being slidably connected to the outer side of the supporting assembly (21), a second gear (23) being meshingly connected to the top of the first gear (22), and a driving member (24) being mounted on one end of the second gear (23); A material pressing mechanism is arranged on the driving mechanism to press the material head of the steel coil, the material pressing mechanism comprises an extrusion component (31), a material pressing component (32), an adjustment component (33) and a conductive component (34), the conductive component (34) is arranged on the first gear (22), the extrusion component (31) is rotatably connected to the conductive component (34), the material pressing component (32) is arranged on the extrusion component (31), the adjustment component (33) is arranged in the extrusion component (31), and the extrusion component (31) is provided with an incomplete gear (319); A leveling mechanism is arranged on one side of a main machine (11) to level the steel strip, the leveling mechanism comprising a leveling assembly (41) arranged on one side of the main machine (11), a material guide plate (42) being arranged on the leveling assembly (41), the leveling assembly (41) being capable of driving the material guide plate (42) to move laterally and rotate axially, a limit plate (43) being installed on one side of the top of the material guide plate (42), and a rack (44) being installed on one side of the top of the material guide plate (42) close to the limit plate (43).

2. The steel strip unwinding equipment according to claim 1, characterized in that: The extrusion assembly (31) comprises a shell (311), a first slide plate (312), a telescopic member (314) and a rotating cylinder (318); the rotating cylinder (318) is rotatably connected to one end of the conductive assembly (34); the incomplete gear (319) is mounted on the outside of the rotating cylinder (318); the shell (311) is mounted on one end of the rotating cylinder (318); the first slide plate (312) is slidably connected to the inside of the shell (311); and the telescopic member (314) is mounted on one side of the first slide plate (312).

3. The steel strip unwinding equipment according to claim 2, characterized in that: A first sliding rod (313) is installed on one side of the first sliding plate (312), a first elastic member (315) is installed on the inner bottom wall of the first sliding plate (312), and a limiting member (316) is installed on the top of the first elastic member (315).

4. The steel strip unwinding equipment according to claim 3, characterized in that: A second elastic member (317) is installed on one side of the first slide plate (312), two second elastic members (317) are symmetrically arranged along the adjustment assembly (33), and one end of the second elastic member (317) is installed on the inner wall of the housing (311).

5. The steel strip unwinding equipment according to claim 4, characterized in that: The pressing assembly (32) comprises a support frame (321), a first pressing roller (322) and a second pressing roller (323); the support frame (321) is mounted on one side of the telescopic member (314); and the first pressing roller (322) and the second pressing roller (323) are both rotatably connected to the inside of the support frame (321).

6. The steel strip unwinding equipment according to claim 5, characterized in that: The adjustment assembly (33) comprises a connecting tube (331), a lead screw (332), a threaded sleeve (333) and a push rod (334); one end of the connecting tube (331) is mounted on one side of the first slide plate (312); one end of the lead screw (332) is rotatably connected to one side of the first slide plate (312); the threaded sleeve (333) is threadedly connected to the outside of the lead screw (332); one end of the push rod (334) is mounted on one side of the threaded sleeve (333); and the other end of the push rod (334) passes through the connecting tube (331) and extends to the outside of the connecting tube (331).

7. The steel strip unwinding equipment according to claim 6, characterized in that: The conductive component (34) comprises a fixed cylinder (341) and a conductive block (345); the fixed cylinder (341) is rotatably connected to one end of the rotating cylinder (318).

8. The steel strip unwinding equipment according to claim 7, characterized in that: Two second sliding rods (342) are installed inside the fixing cylinder (341), a third elastic member (343) is sleeved on the outer side of the second sliding rod (342), a second sliding plate (344) is installed at one end of the third elastic member (343), and the second sliding plate (344) is slidably connected to the outer side of the second sliding rod (342).

9. The steel strip unwinding equipment according to claim 8, characterized in that: The second slide plate (344) is provided with a groove for the push rod (334) to pass through.

10. The steel strip unwinding equipment according to claim 9, characterized in that: The support assembly (21) comprises a support plate (211) mounted on one side of the mainframe (11), a conductive ring (212) being mounted on the outer side of one end of the support plate (211), and the conductive block (345) being arranged on one side of the conductive ring (212).

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