Device for automatically assembling steel coil sleeve

Abstract

The utility model discloses a device for automatically assembling a steel coil sleeve, which relates to the technical field of cold rolling equipment and comprises a material storage mechanism, a transportation mechanism, a centering mechanism and a material pushing mechanism, a material storage space is formed in the material storage mechanism and is provided with a material outlet; the conveying head end of the conveying mechanism is located at the discharging port, a first material moving mechanism is arranged between the conveying head end and the discharging port, the first material moving mechanism is used for moving the sleeve to the conveying head end, and the conveying mechanism is used for conveying the sleeve from the conveying head end to the conveying tail end; the centering mechanism is located on one side of the conveying tail end, a second material moving mechanism is arranged between the conveying tail end and the centering mechanism, the second material moving mechanism is used for moving the sleeve to the centering mechanism, the centering mechanism is located on the front side or the rear side of the steel coil, the sleeve extends front and back, and the centering mechanism is used for centering the axis of the sleeve and the axis of the steel coil; the pushing mechanism pushes the sleeve into the steel coil when the axis of the sleeve and the axis of the steel coil are centered. The automatic assembling device can automatically assemble the steel coil and the sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of cold rolling equipment, in particular to a device for automatically assembling a steel coil sleeve. Background Art

[0002] The current assembly process of sleeves and steel coils requires manual handling, centering and assembly, which not only causes high labor intensity for workers, but also takes a long time for the entire assembly process, resulting in reduced production efficiency. Utility Model Content

[0003] The utility model aims to provide a device for automatically assembling a steel coil sleeve, which overcomes the above-mentioned defects and can automatically assemble the steel coil and the sleeve.

[0004] To achieve the above objectives, the solution of the utility model is:

[0005] A device for automatically assembling a sleeve of a steel coil, wherein the steel coil has a bracket and is supported on the ground by the bracket, and the steel coil has a through hole that penetrates front and back, and the through hole is used for inserting the sleeve, comprising a material storage mechanism, a transportation mechanism, a centering mechanism, and a material pushing mechanism; the material storage mechanism has a material storage space, and the material storage space stores the sleeve, and the material storage space has a feed port and a discharge port, the feed port is used to feed the sleeve into the material storage space, and the discharge port is used to discharge the sleeve; the transportation mechanism has a transportation head end and a transportation tail end, the transportation head end is located at the discharge port, and a first material moving mechanism is arranged between the transportation head end and the discharge port, and the first material moving mechanism It is used to move the sleeve of the discharge port to the transport head end, and the transport mechanism is used to transport the sleeve from the transport head end to the transport end; the centering mechanism is located on one side of the transport end, and a second material moving mechanism is arranged between the transport end and the centering mechanism, and the second material moving mechanism is used to move the sleeve at the transport end to the centering mechanism, and the centering mechanism is located on the front side or the rear side of the steel coil. The sleeve extends forward and backward after being placed on the centering mechanism, and the centering mechanism is used to align the axis of the sleeve with the axis of the steel coil; the pushing mechanism is located on the side opposite to the steel coil, so as to push the sleeve into the steel coil when the axis of the sleeve is aligned with the axis of the steel coil.

[0006] Furthermore, the first material moving mechanism includes a first driving mechanism and a first unloading rack, one end of the first unloading rack is pivoted to the transport head end, and the other end thereof extends to the discharge port, and the other end of the first unloading rack can swing around the pivoted end as the axis, and the first driving mechanism is used to drive the first unloading rack to swing upward, and a group of sleeve stop bars are respectively provided on the front and rear sides of the discharge port, and the sleeve stop bars are used to stop the sleeve at the discharge port, and the width of the first unloading rack is smaller than the distance between the two groups of sleeve stop bars, so that when the first unloading rack swings upward, the sleeve can be pushed into the transport head end through between the two groups of sleeve stop bars.

[0007] Furthermore, the second material moving mechanism includes a second driving mechanism, a second unloading rack and a feeding trolley. One end of the second unloading rack is pivotally connected to the transport end, and the other end thereof extends in a direction away from the transport end, and the other end of the second unloading rack can swing around the pivoted end as the axis. The transport mechanism transports the sleeve to the second unloading rack, and the second driving mechanism is used to drive the second unloading rack to swing downward to place the sleeve on the feeding trolley; the feeding trolley includes a first base, a support frame, a third driving mechanism and a fourth driving mechanism. The first base is used to move to the side of the centering mechanism, and the third driving mechanism is used to drive the first base to move. The support frame is arranged on the first base, and a placing portion is arranged on it. The placing portion is used to place the sleeve placed on the second unloading rack. The fourth driving mechanism is arranged on the first base, and is used to drive the support frame to move, so that when the first base moves to the side of the centering mechanism, the fourth driving mechanism drives the support frame to move to the centering mechanism to send the sleeve into the centering mechanism.

[0008] Furthermore, the placing portion is arranged at the top of the support frame, and one end of the placing portion close to the centering mechanism is pivotally connected to the supporting portion so that the placing portion can swing around this end as the axis. A protrusion is arranged on the centering mechanism, and the protrusion is used to press upward against the other end of the placing portion when the support frame moves to the centering mechanism, so that the placing portion swings toward the centering mechanism and the sleeve rolls toward the centering mechanism.

[0009] Furthermore, the width of the second unloading rack is greater than the width of the supporting rack. When the second unloading rack swings downward, the supporting rack passes through the middle of the second unloading rack and presses the sleeve against the placement portion.

[0010] Furthermore, the centering device includes a second base, a slide, a mounting seat, a mounting portion, a placement rack, a fifth driving mechanism and a sixth driving mechanism. The second base is located at the front or rear side of the steel coil, the slide is slid left and right on the upper surface of the second base, a mounting seat is provided on the upper surface of the slide, the mounting portion is longitudinally slid on the mounting seat, the placement rack is used to receive the sleeve transported by the feeding trolley, one end of the placement rack is fixed on the mounting portion, and the sleeve is placed on the placement rack and extends forward and backward. The fifth driving mechanism is used to drive the mounting portion to slide longitudinally on the mounting seat to drive the placement rack to rise and fall, and the sixth driving mechanism is used to drive the slide to slide left and right on the second base, thereby driving the placement rack to move left and right. The protrusion is set on the left side of the placement rack, which is fixed on the upper surface of the slide and is located on the moving path of the support frame.

[0011] Furthermore, a feed ramp and a discharge ramp are fixedly installed in the material storage space, the feed ramp is located above the discharge ramp, the feed ramp is inclined from the feed port to the discharge ramp, and the discharge ramp is inclined toward the discharge port.

[0012] Furthermore, the pushing mechanism includes a pushing plate and a seventh driving mechanism. The seventh driving mechanism is arranged on the side of the base opposite to the steel coil, and its power output end faces the steel coil. The power output end of the seventh driving mechanism is connected to and drives the pushing plate to push the sleeve toward the steel coil.

[0013] After adopting the above scheme, the beneficial effects of the utility model are:

[0014] The utility model moves the sleeve storage and discharge port of the storage space to the transportation head end of the transportation mechanism through the first material moving mechanism, and transports the sleeve to its transportation end through the transportation mechanism. The centering mechanism is located at the transportation end, and a second material moving mechanism is provided between the centering mechanism and the transportation end. The sleeve at the transportation end is moved to the centering mechanism through the second material moving mechanism, and the axis of the sleeve and the axis of the steel coil are aligned through the centering mechanism. The sleeve is pushed into the steel coil through the pushing mechanism, thereby realizing the assembly of the sleeve and the steel coil. The transportation, centering and assembly processes are all automatically completed by the machine. Therefore, the utility model can automatically assemble the steel coil and the sleeve, saves labor costs, saves the time spent on the entire assembly process compared to manual work, and increases production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an overall schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of feeding materials by a feeding trolley of the utility model;

[0017] Figure 3 It is a top view of the centering mechanism, the material pushing mechanism and the steel coil of the utility model.

[0018] Explanation of reference numerals: 1. material storage mechanism; 10. material storage space; 11. material feed port; 12. material discharge port; 13. material feed ramp; 14. material discharge ramp; 2. transportation mechanism; 20. transportation head end; 21. transportation end; 22. first material transfer mechanism; 221. first drive mechanism; 222. first material discharge rack; 23. second material transfer mechanism; 231. second drive mechanism; 232. second material discharge rack; 233. material feeding trolley; 2331. first base; 2332. support frame; 23321. Placement portion; 2333, fourth drive mechanism; 3, centering mechanism; 30, second base; 31, slide seat; 311, bump; 32, mounting seat; 33, mounting portion; 34, placement rack; 341, placement groove; 342, second protective pad; 35, fifth drive mechanism; 36, sixth drive mechanism; 37, limit rack; 371, limit groove; 372, first protective pad; 4, pushing mechanism; 40, push plate; 41, seventh drive mechanism; 5, sleeve; 6, steel coil; 60, bracket. DETAILED DESCRIPTION

[0019] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] like Figures 1 to 3 As shown, the utility model provides a device for automatically assembling a steel coil 6 sleeve 5, comprising a material storage mechanism 1, a transport mechanism 2, a centering mechanism 3, and a material pushing mechanism 4; and the steel coil 6 has a bracket 60, and is supported on the ground by the bracket 60, and the steel coil 6 has a through hole that penetrates front and back, and the through hole is for the sleeve 5 to be inserted;

[0021] The storage space 10 has a feed port 11 and a discharge port 12, the feed port 11 is used to feed the sleeve 5 into the storage space 10, and the discharge port 12 is used to discharge the sleeve 5; the transport mechanism 2 has a transport head end 20 and a transport end 21, the transport head end 20 is located at the discharge port 12, and a first material moving mechanism 22 is provided between the transport head end 20 and the discharge port 12, the first material moving mechanism 22 is used to move the sleeve 5 at the discharge port 12 to the transport head end 20, and the transport mechanism 2 is used to transport the sleeve 5 from the transport head end 20 to the transport end 21; The centering mechanism 3 is located at one side of the transport terminal 21, and a second material moving mechanism 23 is provided between the transport terminal 21 and the centering mechanism 3. The second material moving mechanism 23 is used to move the sleeve 5 of the transport terminal 21 to the centering mechanism 3. The centering mechanism 3 is located at the front side or the rear side of the steel coil 6. The sleeve 5 extends forward and backward after being placed on the centering mechanism 3. The centering mechanism 3 is used to align the axis of the sleeve 5 with the axis of the steel coil 6. The pushing mechanism 4 is located at the side opposite to the steel coil 6, so as to push the sleeve 5 into the steel coil 6 when the axis of the sleeve 5 is aligned with the axis of the steel coil 6.

[0022] Specifically, the utility model moves the storage and discharge port 12 of the sleeve 5 in the storage space 10 to the transportation head end 20 of the transportation mechanism 2 through the first material moving mechanism 22, and transports the sleeve 5 to its transportation end 21 through the transportation mechanism 2. The centering mechanism 3 is located on one side of the transportation end 21, and a second material moving mechanism 23 is arranged between the centering mechanism 3 and the transportation end 21. The sleeve 5 at the transportation end 21 is moved to the centering mechanism 3 through the second material moving mechanism 23, and the axis of the sleeve 5 and the axis of the steel coil 6 are aligned through the centering mechanism 3, and the sleeve 5 is pushed into the steel coil 6 through the pushing mechanism 4, so as to realize the assembly of the sleeve 5 and the steel coil 6. The transportation, centering and assembly processes are all automatically completed by the machine. Therefore, the utility model can automatically assemble the steel coil 6 and the sleeve 5, saves labor costs, saves the time spent on the entire assembly process compared to manual operations, and increases production efficiency.

[0023] Furthermore, the first material moving mechanism 22 includes a first driving mechanism 221 and a first unloading frame 222, one end of the first unloading frame 222 is pivotally connected to the transport head end 20, and the other end thereof extends to the discharge port 12, and the other end of the first unloading frame 222 can swing around the pivoted end as the axis, and the first driving mechanism 221 is used to drive the first unloading frame 222 to swing upward, and a group of sleeve stop bars (not shown in the figure) are respectively provided on the front and rear sides of the discharge port 12, and the sleeve stop bars are used to stop the sleeve 5 at the discharge port 12, and the width of the first unloading frame 222 is less than the width of the two The distance between the two sets of sleeve gear bars is so that when the first unloading rack 222 swings upward, it passes between the two sets of sleeve gear bars to push the sleeve 5 onto the transport head end 20. Specifically, the first driving mechanism 221 is, for example, a cylinder, or other components that can drive the first unloading rack 222, which is not limited here. Specifically, the first unloading rack 222 includes at least one rocker arm, one end of the rocker arm is pivoted to the transport head end 20, and the other end swings around the pivot end as the axis. When the rocker arm swings upward, it passes between the two sets of sleeve gear bars to push the sleeve 5 onto the transport head end 20.

[0024] Further, the second material moving mechanism 23 includes a second driving mechanism 231, a second unloading frame 232 and a feeding trolley 233. One end of the second unloading frame 232 is pivotally connected to the transport terminal 21, and the other end thereof extends in a direction away from the transport terminal 21. The other end of the second unloading frame 232 can swing around the pivoted end as the axis. The transport mechanism 2 transports the sleeve 5 to the second unloading frame 232. The second driving mechanism 231 is used to drive the second unloading frame 232 to swing downward to place the sleeve 5 on the feeding trolley 233. Specifically, the second driving mechanism 231 is, for example, a cylinder, or other components capable of driving the second unloading frame 232.

[0025] The feeding trolley 233 includes a first base 2331, a support frame 2332, a third driving mechanism (not shown in the figure) and a fourth driving mechanism 2333. The first base 2331 is used to move to the side of the centering mechanism 3. The third driving mechanism is used to drive the first base 2331 to move. The support frame 2332 is arranged on the first base 2331 and a placement portion 23321 is arranged on the support frame 2332. The placement portion 23321 is used to place the sleeve 5 placed on the second unloading frame 232. The fourth driving mechanism 2333 is arranged on the first base 2331. On a base 2331, it is used to drive the support frame 2332 to move, so that when the first base 2331 moves to the side of the centering mechanism 3, the fourth driving mechanism 2333 drives the support frame 2332 to move to the centering mechanism 3, and the sleeve 5 is sent into the centering mechanism 3; the third driving mechanism is, for example, a cylinder, or other components that can drive the first base 2331 to move, which is not limited here; the fourth mechanism is, for example, a cylinder, or other components that can drive the support frame 2332 to move, which is not limited here;

[0026] Specifically, there is a storage space below the transport end 21 of the transport mechanism 2, and the storage space is used to place the feeding trolley 233. When the feeding trolley 233 moves to the storage space, the support frame 2332 is located below the second unloading frame 232, and the second driving mechanism 231 drives the second unloading frame 232 to swing downward, and the sleeve 5 is placed on the placement portion 23321; specifically, the width of the second unloading frame 232 is greater than the width of the support frame 2332. When the second unloading frame 232 swings downward, the support frame 233 2 passes through the middle of the second unloading rack 232, and the sleeve 5 is pressed against the placement portion 23321. Specifically, the second unloading rack 232 can be, for example, swing arms arranged on the front and rear sides of the transport terminal 21, which can be swung by the second driving mechanism 231 at the same time and can swing synchronously. The distance between the two swing arms is greater than the width of the support frame 2332. When the two swing arms swing downward, the support frame 2332 passes through the space between the two swing arms, and the sleeve 5 is pressed against the placement portion 23321, and the swing arms leave the sleeve 5.

[0027] Specifically, the placing portion 23321 is arranged on the top of the support frame 2332, and one end of the placing portion 23321 close to the centering mechanism 3 is pivotally connected to the supporting portion, so that the placing portion 23321 can swing around this end as the axis, and a protrusion 311 is arranged on the centering mechanism 3, and the protrusion 311 is used to press upward against the other end of the placing portion 23321 when the support frame 2332 moves to the centering mechanism 3, so that the other end of the placing portion 23321 swings toward the centering mechanism 3, so that the sleeve 5 rolls toward the centering mechanism 3;

[0028] Specifically, the contact surface of the placement portion 23321 with the sleeve 5 is a V-shaped surface. When the support frame 2332 moves to the centering mechanism 3, the protrusion 311 presses upward against the placement portion 23321 to make the placement swing toward the centering structure until the side of the V-shaped surface close to the centering mechanism 3 is in a horizontal state, so that the sleeve 5 moves toward the centering mechanism 3. Specifically, when the protrusion 311 does not press upward against the placement portion 23321, the opening of the V-shaped surface faces upward. When the sleeve 5 is placed on the placement portion 23321, it can limit the movement of the sleeve 5 to prevent the sleeve 5 from detaching from the feeding trolley 233 during transportation. When the protrusion 311 presses upward against the placement portion 23321, the opening of the V-shaped surface swings toward the centering mechanism 3 until the side close to the centering mechanism 3 is in a horizontal state.

[0029] Specifically, a first slide rail and a first slider are provided at the bottom of the first base 2331. The first slide rail is fixed on the ground and extends to the centering mechanism 3. The top of the first slider is fixed to the bottom of the first base 2331, and the bottom of the first slider is slidably installed on the slide rail. The first base 2331 slides along the first slide rail to the centering mechanism 3, and the third driving mechanism is used to drive the first base 2331 to slide on the first slide rail; the third driving mechanism is, for example, a cylinder, or other components that can drive the first base 2331 to slide on the first slide rail, which is not limited here.

[0030] Furthermore, the centering device includes a second base 30, a slide 31, a mounting seat 32, a mounting portion 33, a placement rack 34, a fifth driving mechanism 35 and a sixth driving mechanism 36. The second base 30 is located at the front or rear side of the steel coil 6. The slide 31 is slidably arranged on the upper surface of the second base 30. The upper surface of the slide 31 is provided with a mounting seat 32. The mounting portion 33 is longitudinally slidably arranged on the mounting seat 32. The placement rack 34 is used to receive the sleeve 5 transported by the feeding trolley 233. One end of the placement rack 34 is fixed on the mounting portion 33. The sleeve 5 is placed on the placement rack 34 and extends forward and backward. The fifth driving mechanism 35 is used to drive the mounting portion 33 to slide longitudinally on the mounting seat 32 to drive the placement rack 34 to rise and fall. The sixth driving mechanism 36 is used to drive the slide 31 to slide left and right on the second base 30, thereby driving the placement rack 34 to move left and right. Through the left and right movement of the slide 31 and the longitudinal movement of the mounting portion 33, the axis of the sleeve 5 and the axis of the steel coil 6 are aligned.

[0031] Specifically, the protrusion 311 is arranged on the left side of the placement frame 34, which is fixed on the upper surface of the slide 31 and is located on the moving path of the support frame 2332. When the support frame 2332 moves to the centering mechanism 3, the protrusion 311 pushes the placement portion 23321 away from the pivot end upward; specifically, the fifth driving mechanism 35 is, for example, a cylinder, or other components that can drive the mounting portion 33 to slide longitudinally on the mounting seat 32, which is not limited here; the sixth driving mechanism 36 is, for example, a cylinder, or other components that can drive the slide 31 to slide left and right on the second base 30, which is not limited here;

[0032] Specifically, it also includes a limit frame 37, which is located above the placement frame 34, one end of the limit frame 37 is pivoted on the mounting portion 33, and the limit frame 37 can swing around the pivoted end as the axis. When the sleeve 5 is located on the placement frame 34, the limit frame 37 swings and is placed on the top of the sleeve 5. A limit groove 371 is concavely provided on the side of the limit frame 37 that contacts the sleeve 5. The limit groove 371 is used for the top of the sleeve 5 to be embedded. A first protective pad 372 is provided in the limit groove 371, and the first protective pad 372 is used to space the limit frame 37 and the sleeve 5. Specifically, When the limit frame 37 is placed on the top of the sleeve 5, the shaking of the sleeve 5 is limited to keep the sleeve 5 stable and prevent its center line from moving, so as to avoid the situation that the sleeve 5 and the steel coil 6 are difficult to align. The limit groove 371 is used for the top of the sleeve 5 to be embedded, so as to further prevent the sleeve 5 from shaking and increase the stability of the sleeve 5. The first protective pad 372 separates the limit frame 37 and the sleeve 5 to prevent the limit frame 37 and the sleeve 5 from colliding on the surface and damaging the sleeve 5. The first protective pad 372 is made of a flexible material, and the flexible material can be, for example, rubber, silicone, etc.

[0033] Specifically, a placement groove 341 is recessed on one side of the placement rack 34 that contacts the sleeve 5. The placement groove 341 is used for the bottom of the sleeve 5 to be embedded. A second protective pad 342 is arranged in the placement groove 341. The second protective pad 342 is used to separate the placement rack 34 and the sleeve 5; the placement groove 341 is used to hold the sleeve 5, and to limit the rolling of the sleeve 5 on the placement rack 34, limit the position of the sleeve 5, so as to fix its central axis, prevent its central axis from shaking, reduce the difficulty of centering, and reduce the time spent in the centering process; the second protective pad 342 separates the placement rack 34 and the sleeve 5 to prevent the placement rack 34 and the sleeve 5 from colliding on the surface, and prevent damage to the sleeve 5. Specifically, the second protective pad 342 is made of a flexible material, and the flexible material can be, for example, silicone, rubber, etc.

[0034] Specifically, a second slide rail is provided on the upper surface of the second base 30 along the left-right direction, and a second slider is provided at the bottom of the second base 30. The second slider is used to cooperate with the second slide rail so that the slide seat 31 slides left and right on the second base 30. Specifically, a third slide rail is longitudinally provided on the side wall of the mounting seat 32, and a third slider is provided on the side wall of the mounting portion 33. The third slider is used to cooperate with the third slide rail so that the mounting portion 33 slides longitudinally on the mounting seat 32.

[0035] Furthermore, a feed ramp 13 and a discharge ramp 14 are fixedly installed in the storage space 10, and the feed ramp 13 is located above the discharge ramp 14, the feed ramp 13 is inclined from the feed port 11 to the discharge ramp 14, and the discharge ramp 14 is inclined toward the discharge port 12, so that the sleeve 5 enters the feed ramp 13 from the feed port 11, rolls to the discharge ramp 14 through the feed ramp 13, and then leaves the storage space 10 through the discharge port 12.

[0036] Specifically, the pushing mechanism 4 includes a pushing plate 40 and a seventh driving mechanism 41. The seventh driving mechanism 41 is arranged on the side of the base opposite to the steel coil 6, and its power output end faces the steel coil 6. The power output end of the seventh driving mechanism 41 is connected to and drives the pushing plate 40 to push the sleeve 5 toward the steel coil 6, so that when the axes of the sleeve 5 and the steel coil 6 are aligned, the sleeve 5 is pushed into the steel coil 6. The seventh driving mechanism 41 can be, for example, a cylinder, or other components that can drive the pushing plate 40 to push the sleeve 5 toward the steel coil 6, which is not limited here.

[0037] To further illustrate the various embodiments, the present invention provides drawings. These drawings are part of the disclosure of the present invention, which are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, a person of ordinary skill in the art should be able to understand other possible implementations and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0038] Meanwhile, the directions such as front, back, left, and right involved in this embodiment are only used as a reference for directions and do not represent directions in actual use. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0039] The above description is only a preferred embodiment of the present utility model and is not a limitation on the design of the present case. Any equivalent changes made based on the key design of the present case shall fall within the protection scope of the present case.

Claims

1. A device for automatically assembling a steel coil sleeve, wherein the steel coil has a bracket and is supported on the ground by the bracket, and the steel coil has a through hole extending from front to back, and the through hole is for the sleeve to be inserted, characterized in that: Including material storage mechanism, transportation mechanism, centering mechanism and material pushing mechanism; The material storage mechanism has a material storage space, in which a sleeve is stored, and the material storage space has a feed port and a discharge port, wherein the feed port is used to feed the sleeve into the material storage space, and the discharge port is used to discharge the sleeve; The transport mechanism has a transport head end and a transport end end, the transport head end is located at the discharge port, and a first material moving mechanism is provided between the transport head end and the discharge port, the first material moving mechanism is used to move the sleeve of the discharge port to the transport head end, and the transport mechanism is used to transport the sleeve from the transport head end to the transport end; The centering mechanism is located at one side of the transport end, and a second material moving mechanism is provided between the transport end and the centering mechanism. The second material moving mechanism is used to move the sleeve at the transport end to the centering mechanism. The centering mechanism is located at the front side or the rear side of the steel coil. The sleeve extends forward and backward after being placed in the centering mechanism. The centering mechanism is used to align the axis of the sleeve with the axis of the steel coil. The pushing mechanism is located on the side opposite to the steel coil so as to push the sleeve into the steel coil when the axis of the sleeve and the axis of the steel coil are aligned.

2. The device for automatically assembling a steel coil sleeve according to claim 1, characterized in that: The first material moving mechanism includes a first driving mechanism and a first unloading rack, one end of the first unloading rack is pivotally connected to the transport head end, and the other end thereof extends to the discharge port, and the other end of the first unloading rack can swing around the pivoted end as the axis, and the first driving mechanism is used to drive the first unloading rack to swing upward, and a group of sleeve stop bars are respectively provided on the front and rear sides of the discharge port, and the sleeve stop bars are used to stop the sleeve at the discharge port, and the width of the first unloading rack is smaller than the distance between the two groups of sleeve stop bars, so that when the first unloading rack swings upward, the sleeve can be pushed into the transport head end through between the two groups of sleeve stop bars.

3. The device for automatically assembling a steel coil sleeve according to claim 1, characterized in that: The second material moving mechanism includes a second driving mechanism, a second unloading frame and a feeding trolley. One end of the second unloading frame is pivotally connected to the transport end, and the other end thereof extends in a direction away from the transport end. The other end of the second unloading frame can swing around the pivoted end as the axis. The transport mechanism transports the sleeve to the second unloading frame. The second driving mechanism is used to drive the second unloading frame to swing downward to place the sleeve on the feeding trolley. The feeding trolley includes a first base, a support frame, a third driving mechanism and a fourth driving mechanism. The first base is used to move to the side of the centering mechanism. The third driving mechanism is used to drive the first base to move. The support frame is arranged on the first base, and a placement portion is arranged on the first base. The placement portion is used to place the sleeve placed on the second unloading rack. The fourth driving mechanism is arranged on the first base, and is used to drive the support frame to move, so that when the first base moves to the side of the centering mechanism, the fourth driving mechanism drives the support frame to move to the centering mechanism and delivers the sleeve into the centering mechanism.

4. The device for automatically assembling a steel coil sleeve as claimed in claim 3, characterized in that: The placement portion is arranged on the top of the support frame, and one end of the placement portion close to the centering mechanism is pivotally connected to the support portion so that the placement portion can swing with this end as the axis. A protrusion is arranged on the centering mechanism, and the protrusion is used to press upward against the other end of the placement portion when the support frame moves to the centering mechanism, so that the placement portion swings toward the centering mechanism and the sleeve rolls toward the centering mechanism.

5. The device for automatically assembling a steel coil sleeve as claimed in claim 4, characterized in that: The width of the second unloading rack is greater than the width of the supporting rack. When the second unloading rack swings downward, the supporting rack passes through the middle of the second unloading rack and presses the sleeve against the placing portion.

6. The device for automatically assembling a steel coil sleeve as claimed in claim 4, characterized in that: The centering device includes a second base, a slide, a mounting seat, a mounting portion, a placement rack, a fifth driving mechanism and a sixth driving mechanism. The second base is located at the front or rear side of the steel coil, the slide is slid left and right on the upper surface of the second base, a mounting seat is provided on the upper surface of the slide, the mounting portion is longitudinally slid on the mounting seat, the placement rack is used to receive the sleeve transported by the feeding trolley, one end of the placement rack is fixed on the mounting portion, and the sleeve is placed on the placement rack and extends forward and backward. The fifth driving mechanism is used to drive the mounting portion to slide longitudinally on the mounting seat to drive the placement rack to rise and fall, and the sixth driving mechanism is used to drive the slide to slide left and right on the second base, thereby driving the placement rack to move left and right. The protrusion is set on the left side of the placement rack, which is fixed on the upper surface of the slide and is located on the moving path of the support frame.

7. The device for automatically assembling a steel coil sleeve according to claim 1, characterized in that: A feed ramp and a discharge ramp are fixedly installed in the material storage space. The feed ramp is located above the discharge ramp. The feed ramp is inclined from the feed port to the discharge ramp, and the discharge ramp is inclined toward the discharge port.

8. The device for automatically assembling a steel coil sleeve as claimed in claim 1, characterized in that: The pushing mechanism includes a pushing plate and a seventh driving mechanism. The seventh driving mechanism is arranged on the side of the base opposite to the steel coil, and its power output end faces the steel coil. The power output end of the seventh driving mechanism is connected to and drives the pushing plate to push the sleeve toward the steel coil.

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