A material roll transfer device

Abstract

The application relates to a material roll transfer device, which comprises a lifting frame, a lifting table arranged on the lifting frame, a lifting driving element arranged on the lifting frame and used for driving the lifting table to move up and down, a transfer plate arranged on the lifting table in a symmetrical mode, a transfer driving element arranged on the lifting table and used for driving the transfer plate to move relative to the lifting table, the lifting table is provided with an abutting element, and the transfer plate is provided with a material unloading rotating element; the material unloading rotating element is provided with a first lifting part and a first abutting part; when the transfer plate moves towards the material direction of the material rack, the first lifting part is located below the material roll; when the transfer plate moves away from the material rack, the first abutting part can be pushed by the abutting element, the first lifting part is forced to be lifted to lift the material roll, and the material roll rolls towards the lifting table. The application has the effect of conveniently transferring the material on the lower layer of the material rack or new material to the upper layer of the material rack.

Description

Technical Field

[0001] This application relates to the field of material handling, and in particular to a material roller transfer device. Background Technology

[0002] In manufacturing, material rollers are a common material holding tool (such as plastic film, cloth, etc.) used to transfer materials between different processes.

[0003] Material rollers are usually placed on material racks, which are typically designed with multiple layers of storage areas to accommodate more rollers and reduce space usage.

[0004] When the lower layer of materials is full, the lower layer of materials or new materials need to be placed in a higher position on the upper layer. When picking up or putting down materials in the upper layer, there is a risk of safety accidents caused by the material roller falling due to human error. Moreover, it is not very convenient to manually transfer materials to the upper layer of the material rack. Summary of the Invention

[0005] To facilitate the transfer of materials from the lower layer of the material rack or new materials to the upper layer of the material rack, this application provides a material roller transfer device.

[0006] The material roller transfer device provided in this application adopts the following technical solution: A material roller transfer device for transferring material rollers of a material rack includes a lifting frame, a lifting platform disposed on the lifting frame, a lifting drive component disposed on the lifting frame and used to drive the lifting platform to move up and down, transfer plates symmetrically disposed on the lifting platform, and a transfer drive component disposed on the lifting platform and used to drive the transfer plates to move relative to the lifting platform. The lifting platform is fixedly provided with an abutment member, and the transfer plate is rotatably provided with a discharge rotating component. The discharge rotating component has a first lifting portion and a first abutment portion. The transfer plate has an extended support plate for supporting the material rollers. The extended support plate is disposed on the side of the transfer plate facing the material rack. When the transfer plate moves towards the material rack in the material direction, the abutment member moves away from the first abutment portion, and the first lifting portion is lower than the extended support plate. When the transfer plate moves away from the material rack, the abutment portion can be pushed by the abutment member, forcing the first lifting portion to rise above the extended support plate, thereby lifting the material rollers and allowing the material rollers to move. The roller rolls towards the lifting platform; the first abutting part and the first lifting part are fixedly connected by a rotating shaft, the rotating shaft passes through the transfer plate and is rotatably connected to the transfer plate, the first abutting part is located on the outside of the transfer plate, and the first lifting part is located on the inside of the transfer plate; the abutting member is located on the outside of the transfer plate, and the abutting member is on the moving path of the first abutting part; the transfer plate is also provided with a material stop and an anti-dropping component for limiting the movement range of the material roller; the anti-dropping component is located at the end of the transfer plate away from the material rack; the material stop is rotatably connected to the transfer plate; the material stop includes a second abutting part and a second lifting part, the second abutting part is on the same side as the first abutting part, and the second abutting part and the second lifting part are fixed by a rotating shaft; when the transfer plate moves towards the material rack, the second abutting part can be pushed by the abutting member, forcing the second lifting part to tilt up and thus lift the material roller, allowing the material roller to roll towards the material rack.

[0007] By adopting the above technical solution, the lifting frame supports the lifting platform, the lifting drive unit controls the vertical movement of the lifting platform relative to the lifting frame, the transfer plate supports the material rollers, and the transfer drive unit drives the transfer plate to move back and forth relative to the lifting frame, placing the material rack in front of the lifting frame. Therefore, the transfer plate can move back and forth relative to the material rack. The unloading rotating component unloads material from the material rack's rollers, thus removing the rollers from the material rack and placing them onto the lifting platform. This eliminates the need for manual handling, improving work efficiency. Furthermore, the raised first lifting part guides the rollers, facilitating their entry into the lifting platform. The lifting platform is positioned so that the first lifting section remains raised, reducing the risk of the material roller falling and preventing accidents. The extended support plate supports the material roller; when the material roller needs to be moved from the material rack, the extended support plate is first lowered below the roller, then the lifting platform moves upwards, allowing the extended support plate to lift the roller. The transfer plate then moves, and the first lifting section flips, allowing the roller to roll onto the top of the lifting platform. The material stop and anti-drop components limit the roller's movement. As the roller rolls onto the top of the lifting platform under the action of the first lifting section, it is stopped by the material stop, preventing further rolling. The area between the material stop and the anti-drop components serves as a storage area, where new material rollers with material can be moved onto the lifting platform. Workers can stand on the lifting platform to adjust and straighten the material rollers, and multiple material rollers can be transferred simultaneously. The anti-drop component can prevent the material rollers from falling off the transfer plate; the material stop can transfer the material rollers on the transfer plate to the material rack; there is a certain distance between the abutting part and the second abutting part. Only when the transfer plate moves further forward will the abutting part abut against the second abutting part, thereby causing the second lifting part to rotate, forcing the second lifting part to tilt up and lift the material roller, allowing the material roller to roll towards the material rack and enter the material rack.

[0008] Preferably, the unloading rotating component has an anti-drop protrusion located on the first lifting portion.

[0009] By adopting the above technical solution, when the material rollers of the material rack are being moved, the unloading rotating part will lift the material rollers. The anti-drop protrusion can limit the material rollers when the workers accidentally touch them, thereby preventing the material rollers from falling directly off the transfer plate.

[0010] Preferably, the second lifting portion has a limiting portion, and the transfer plate is provided with a first resetting member. The first resetting member can force the limiting portion to be higher than the transfer plate. The limiting portion has an abutting surface and a pushing surface. When the material roller rolls in the direction of the pushing surface, it can push the limiting portion lower than the transfer plate.

[0011] By adopting the above technical solution, the first reset member can maintain the thrust on the second lifting part, so that the limiting part is higher than the transfer plate; the contact surface is the side away from the material rack, and the pushing surface is the side close to the material rack. When the material roller rolls in the direction of the pushing surface, it can push the limiting part lower than the transfer plate. At this time, the limiting part no longer limits the material roller. When the material roller is between the anti-drop component and the limiting surface, the limiting surface can restrict the drop roller from moving in the direction of the material rack.

[0012] Preferably, the transfer plate has a second resetting member that forces the anti-drop protrusion above the transfer plate. When the roller is removed from the material rack, the second resetting member and the anti-drop protrusion reduce the probability of the roller falling off the extension support plate. When the roller is placed into the material rack, it first rises above the second lifting portion, which then tilts upwards, allowing the roller to roll under its own weight. The inertia of the roller's weight pushes the anti-drop protrusion below the extension support plate, thus enabling the roller to roll into one of the layers of the material rack.

[0013] By adopting the above technical solution, the second reset component can force the anti-drop protrusion to be higher than the transfer plate.

[0014] Preferably, the included angle between the second abutting portion and the second lifting portion is 120°-150°.

[0015] By adopting the above technical solution, when the included angle between the second abutting part and the second lifting part is 120°-150°, the abutting part pushes the second abutting part, and the second lifting part lifts the material roller by a larger amplitude, which is suitable for material rollers with lighter weight, increases the height of the material roller being lifted, thereby improving the rolling inertia of the material roller and facilitating the pushing of the limiting part.

[0016] Preferably, the ratio of the length of the second abutting portion to the length of the second lifting portion is 1:1-2.5.

[0017] By adopting the above technical solution, the different length ratios of the second abutting part and the second lifting part can also adapt to the tumbling amplitude of the rollers for materials of different weights, so as to control the inertia generated during rolling.

[0018] Preferably, the anti-dropping component includes a rotating rod rotatably mounted on the transfer plate, an anti-dropping rod slidably connected to the rotating rod, an anti-dropping groove and a clearance groove formed on the transfer plate; the rotation of the rotating rod allows the anti-dropping rod to enter the anti-dropping groove or the clearance groove.

[0019] By adopting the above technical solution, the rotating rod allows the anti-drop rod to rotate, enabling it to be positioned either within the clearance groove or within the anti-drop groove. The rotating rod and the anti-drop rod are slidably connected, allowing adjustment of the relative position of the anti-drop rod and facilitating its engagement with the anti-drop groove. When a new material roller needs to be moved onto the transfer plate, the anti-drop rod is engaged in the clearance groove, ensuring that the anti-drop rod and the material roller do not interfere with each other. After the material roller is moved onto the transfer plate, the anti-drop rod is grasped and engaged in the anti-drop groove. At this point, as the material roller is about to fall off the transfer plate, the anti-drop rod will stop it, preventing it from falling off the transfer plate.

[0020] In summary, this application includes at least one of the following beneficial technical effects: 1. On the one hand, it eliminates the need for manual handling, improving work efficiency. On the other hand, the raised first lifting part guides the material roller, making it easier for the material roller to roll into the lifting platform. Furthermore, keeping the first lifting part raised reduces the risk of the material roller falling, thereby preventing safety accidents. 2. The material stop can transfer the material rollers on the transfer plate to the material rack. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the material roller transfer device and material rack in Embodiment 1.

[0022] Figure 2 This is a partial structural schematic diagram of the material roller transfer device in Embodiment 1.

[0023] Figure 3 yes Figure 2 A magnified structural diagram of point A in the middle.

[0024] Figure 4 This is a schematic diagram of the unloading rotating component in Embodiment 1.

[0025] Figure 5 This is a schematic diagram of the material roller transfer device and material rack in Embodiment 2.

[0026] Figure 6 This is a partial structural schematic diagram of the material roller transfer device in Embodiment 2.

[0027] Figure 7 yes Figure 6 A magnified structural diagram at point B in the middle.

[0028] Figure 8 This is a schematic diagram of the material stop component in Embodiment 2.

[0029] Explanation of reference numerals in the attached drawings: 1. Material rack; 2. Lifting frame; 21. Lifting platform; 22. Lifting drive component; 23. Transfer drive component; 24. Transfer plate; 25. Abutting component; 26. Extension support plate; 3. Unloading rotating component; 31. First lifting part; 32. First abutting part; 33. Anti-drop protrusion; 34. Second reset component; 4. Material stop component; 41. Second abutting part; 42. Second lifting part; 43. Limiting part; 431. Abutting surface; 432. Pushing surface; 44. First reset component; 5. Anti-drop assembly; 51. Rotating rod; 52. Anti-drop rod; 53. Anti-drop groove; 54. Relief groove. Detailed Implementation

[0030] The directional terms such as up, down, left, right, front, back, front, back, top, and bottom mentioned or possibly used in this specification are defined relative to the structures shown in the accompanying drawings. These are relative concepts and may therefore vary depending on their location and usage. Therefore, these or other directional terms should not be interpreted as restrictive. Furthermore, the terms "first," "second," "third," and similar expressions are used for descriptive and distinguishing purposes only and should not be construed as indicating or implying the relative importance of the corresponding components.

[0031] The following is in conjunction with the appendix Figure 1 -Appendix Figure 6 This application will be described in further detail.

[0032] This application discloses a material roller transfer device.

[0033] The material roller transfer device is used to transfer materials from each layer of the material rack 1, and can also transfer new materials to the material rack 1. Example

[0034] Reference Figure 1 and Figure 2 A material roller transfer device includes a lifting frame 2, a lifting platform 21, a lifting drive component 22, a transfer plate 24, and a transfer drive component 23. The lifting frame 2 is fixed to the ground and is located in front of the material rack 1. The lifting platform 21 can slide up and down relative to the lifting frame 2. The lifting drive component 22 is a combination of a hydraulic cylinder, a guide rod, and a chain to form a pulley system. The cylinder pushes the guide rod to move up and down. The chain is wound around the guide rod, and one end of the chain is fixedly connected to the lifting frame 2, and the other end of the chain is fixedly connected to the lifting platform 21. When the cylinder pushes the guide rod to rise, the upward movement of the chain can pull the lifting platform 21 to move upward, and vice versa.

[0035] Reference Figure 1 and Figure 2The transfer drive component 23 is also a hydraulic cylinder. There are two transfer plates 24, which are symmetrically arranged on both sides of the transfer plate 24. There are also two transfer drive components 23, which are connected to the two transfer plates 24 respectively. The transfer drive component 23 can push the transfer plate 24 away from or towards the material rack 1.

[0036] Reference Figure 1 and Figure 2 In this embodiment, taking the transfer plate 24 as a reference, when the transfer plate 24 moves towards the material rack 1, it is in front; when the transfer plate 24 moves away from the material rack 1, it is in the rear; when the lifting platform 21 drives the transfer plate 24 to move upward, it is above; and when the lifting platform 21 drives the transfer plate 24 downward, it is below.

[0037] Reference Figure 3 and Figure 4 The lifting platform 21 is fixedly equipped with an abutment member 25, and the transfer plate 24 is rotatably equipped with a discharge rotating member 3. The discharge rotating member 3 has a first abutment part 32 and a first lifting part 31. The first abutment part 32 and the first lifting part 31 are fixedly connected by a rotating shaft, which passes through the transfer plate 24 and is rotatably connected to the transfer plate 24. The first abutment part 32 is located on one side of the transfer plate 24, and the first lifting part 31 is located on the other side of the transfer plate 24. In this embodiment, the first abutment part 32 is located on the outer side of the transfer plate 24, and the first lifting part 31 is located on the inner side of the transfer plate 24.

[0038] The transfer plate 24 has an extension support plate 26 on the side facing the material rack 1. The extension support plate 26 is used to support the material roller. When the abutment 25 pushes the unloading rotating part 3, the first lifting part 31 will be higher than the extension support plate 26.

[0039] Reference Figure 3 and Figure 4 The abutment 25 is a roller, and it is located outside the transfer plate 24, on the moving path of the first abutment portion 32. Since the abutment 25 is fixed to the lifting platform 21, when the transfer plate 24 moves forward, the abutment 25 moves away from the first abutment portion 32, and the first lifting portion 31 is lower than the extension support plate 26. Conversely, when the transfer plate 24 moves backward, the abutment 25 pushes the first abutment portion 32, causing the first lifting portion 31 to flip. At this time, the first lifting portion 31 tilts towards the lifting platform 21 and is higher than the extension support plate 26.

[0040] The unloading rotating component has a material-preventing protrusion 33, which is located on the first lifting part 31 and is higher than the extension support plate 26.

[0041] Reference Figure 3 and Figure 4When the transfer plate 24 moves toward the material direction of the material rack 1, the first lifting part 31 is located below the material roller. When the transfer plate 24 moves away from the material rack 1, the first abutting part 32 can be pushed by the abutting member 25, forcing the first lifting part 31 to tilt up and lift the material roller, so that the material roller rolls toward the lifting platform 21.

[0042] Reference Figure 3 and Figure 4 The transfer plate 24 is also provided with a material stop 4 and a material drop prevention component 5. Both the material stop 4 and the material drop prevention component 5 are used to limit the movement range of the material roller. In this embodiment, the material stop 4 is fixed to the transfer plate 24. When the material roller is guided by the first lifting part 31, the material roller will roll towards the material stop 4. Finally, the material roller is blocked by the material stop 4, so that the material roller is located on the lifting platform 21, and the two ends of the material roller are supported by the two transfer plates 24.

[0043] Reference Figure 3 and Figure 4 In this embodiment, the anti-drop component 5 is a protrusion fixed on the transfer plate 24 and located at the end of the transfer plate 24 away from the material rack 1. When a new material roller is placed on the transfer plate 24, the anti-drop component 5 can prevent the material roller from rolling off the transfer plate 24.

[0044] The implementation principle of Embodiment 1 is as follows: When the transfer plate 24 is not moving towards the material rack 1, the abutment member 25 will abut against the first abutment part 32, causing the first lifting part 31 to tilt upwards. The operator can stand on the lifting platform 21 to straighten or perform simple control on the material roller.

[0045] When materials on the material rack 1 need to be transferred between upper and lower layers, the lifting platform 21 is controlled to move up and down, so that the transfer plate 24 is lower than the material to be transferred. Then, the transfer plate 24 is driven to move forward, so that the transfer plate 24 is directly below the material. During the forward movement of the transfer plate 24, the abutment 25 will leave the first abutment part 32. At this time, the first lifting part 31 will rotate, thus lowering it below the extension support plate 26. Then, the lifting platform 21 moves upward, causing the extension support plate 26 to move upward, thereby lifting the material roller. Next, the transfer plate 24 moves backward. During the movement, the abutment 25 will again abut against the first abutment part 32, causing the first lifting part 31 to flip. As the first lifting part 31 flips, it will be higher than the extension support plate 26. At this time, the first lifting part 31 will abut against the material roller and guide and push the material roller, causing it to roll towards the lifting platform 21 until the material roller is blocked by the stopper 4. After that, the material roller will be directly above the lifting platform 21.

[0046] Then, the lifting platform 21 is raised or lowered by the lifting drive 22, and the transfer plate 24 is moved forward so that the material roller on the transfer plate 24 is above the position to be transferred. Then the lifting platform 21 is lowered and the material roller is placed on the material rack 1 at the position to be transferred. Example

[0047] Reference Figures 5-7 The difference between this embodiment and Embodiment 1 is that the baffle 4 is rotatably connected to the transfer plate 24. The baffle 4 includes a second abutting part 41 and a second lifting part 42. The second abutting part 41 is on the same side as the first abutting part 32, and the second abutting part 41 and the second lifting part 42 are fixed by a rotating shaft. There is a certain distance between the abutting member 25 and the second abutting part 41. Only when the transfer plate 24 moves further forward will the abutting member 25 abut against the second abutting part 41, thereby causing the second lifting part 42 to rotate, forcing the second lifting part 42 to tilt up and lift the material roller, allowing the material roller to roll towards the material rack 1. As the transfer plate 24 moves, the abutting member 25 cannot simultaneously abut against the first abutting part 32 and the second abutting part 41. Therefore, when the second lifting part 42 flips, the first lifting part 31 does not flip, and when the first lifting part 31 flips, the second lifting part 42 does not flip.

[0048] Reference Figure 7 and Figure 8 The second lifting part 42 has a limiting part 43, and the transfer plate 24 is provided with a first reset member 44, which is a spring. The lower end of the first reset member 44 is fixedly connected to the transfer plate 24, and the upper end of the first reset member 44 abuts against the second lifting part 42. The first reset member 44 can maintain the pushing force on the second lifting part 42, so that the limiting part 43 is higher than the transfer plate 24. The limiting part 43 has an abutting surface 431 and a pushing surface 432. The abutting surface 431 is... The side away from the material rack 1 is a vertical surface, and the pushing surface 432 is the side close to the material rack 1 and is an inclined surface. When the material roller rolls in the direction of the pushing surface 432, it can push the limiting part 43 below the transfer plate 24. At this time, the limiting part 43 no longer limits the material roller. When the material roller is between the anti-drop component 5 and the abutting surface 431, the abutting surface 431 can restrict the material roller from moving in the direction of the material rack 1, and the anti-drop component 5 can prevent the roller from falling off the transfer plate 24.

[0049] Reference Figure 7 and Figure 8The transfer plate 24 has a second reset member 34, which is a spring. The second reset member 34 can force the anti-drop protrusion 33 to be higher than the transfer plate 24. The contact surface between the anti-drop protrusion 33 and the material roller is also inclined. When the material roller is removed from the material rack 1, the probability of the material roller falling off the extension support plate 26 can be reduced by the action of the second reset member 34 and the anti-drop protrusion 33. When the material roller is placed into the material rack 1, the material roller will first be above the second lifting part 42, and then the second lifting part 42 will tilt up, allowing the material roller to roll under its own weight. The inertia of the material roller's own weight will push the anti-drop protrusion 33, making the anti-drop protrusion 33 lower than the extension support plate 26, so that the material roller can roll into a certain layer on the material rack 1.

[0050] Reference Figure 7 and Figure 8 The anti-drop assembly 5 includes a rotating rod 51, an anti-drop rod 52, an anti-drop groove 53, and a clearance groove 54. There are two rotating rods 51, each rotatably connected to its respective transfer plate 24. The two ends of the anti-drop rod 52 are slidably connected to the two rotating rods 51. The rotating rods 51 and anti-drop rods 52 are designed to prevent detachment and can extend and retract relative to each other. The anti-drop groove 53 and clearance groove 54 are both located on the transfer plate 24. When a new material roller needs to be moved onto the transfer plate 24, the anti-drop rod 52 is engaged in the clearance groove 54, ensuring that the anti-drop rod 52 and the material roller do not interfere with each other. After the material roller is moved onto the transfer plate 24, the anti-drop rod 52 is grasped and engaged in the anti-drop groove 53. At this point, when the material roller is about to fall off the transfer plate 24, the anti-drop rod 52 will stop the material roller, thus preventing it from falling off the transfer plate 24.

[0051] The implementation principle of Embodiment 2 is as follows: the process of retrieving the material roller from the material rack 1 is the same as that of Embodiment 1. When the material roller rolls towards the lifting platform 21 via the first lifting part 31, the inertia of the material roller will push the pushing surface 432, causing the limiting part 43 to be lower than the transfer plate 24. Under continuous inertia, the material roller will abut against the anti-drop bar 52 located in the anti-drop groove 53. Multiple material rollers can be retrieved simultaneously, allowing the material rollers to be temporarily stored between the anti-drop bar 52 and the abutting surface 431, facilitating subsequent transfer.

[0052] When multiple material rollers between the anti-drop bar 52 and the contact surface 431 are transferred to the material rack 1, the operator can stand on the lifting platform 21 and manually push the limiting part 43 downwards to move one of the material rollers to one side of the pushing surface 432 of the limiting part 43, that is, above the second lifting part 42. Adjust the lifting platform 21 to control the height of the material roller relative to the material rack 1, and then drive the transfer plate 24 to move towards the material rack 1. The second contact part 41 moves forward synchronously with the transfer plate 24. When the second contact part 41 moves to contact the contact member 25, it continues to move. At this time, the contact member 25 will push the second contact part 41, causing the second lifting part 42 to flip, thereby pushing the material roller towards the material rack 1 through the inclined pushing surface 432. The rolling of the material roller will press the anti-drop protrusion 33 below the transfer plate 24, and then the material roller will fall into another layer of the material rack 1.

[0053] Example 3: The difference between this example and Example 1 is that the included angle between the second abutting part 41 and the second lifting part 42 is 120°-150°.

[0054] Example 4: The difference between this example and Example 1 is that the length ratio of the second abutting part 41 to the length of the second lifting part 42 is 1:1-2.5.

[0055] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, based on the technical solutions of this invention, those skilled in the art can propose various interchangeable structural methods and implementation methods without changing the essential spirit of this invention. Therefore, the above specific embodiments and accompanying drawings are merely illustrative descriptions of the technical solutions of this invention and should not be considered as the entirety of this invention or as a limitation or restriction of the technical solutions of this invention. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. A material roller transfer device for transferring material rollers of a material rack (1), characterized in that: Includes a lifting frame (2), a lifting platform (21) disposed on the lifting frame (2), a lifting drive (22) disposed on the lifting frame (2) and used to drive the lifting platform (21) to move up and down, a transfer plate (24) symmetrically disposed on the lifting platform (21), and a transfer drive (23) disposed on the lifting platform (21) and used to drive the transfer plate (24) to move relative to the lifting platform (21). The lifting platform (21) is fixedly provided with an abutment (25), and the transfer plate (24) is rotatably provided with a discharge rotating component (3). The discharge rotating component (3) has a first lifting part (31) and a first abutment part (32). The transfer plate (21) is rotatably provided with a discharge rotating component (3). 4) It has an extended support plate (26) for supporting the material roller. The extended support plate (26) is disposed on the side of the transfer plate (24) facing the material rack (1). When the transfer plate (24) moves toward the material rack (1), the abutment (25) moves away from the first abutment (32). The first lifting part (31) is lower than the extended support plate (26). When the transfer plate (24) moves away from the material rack (1), the abutment (32) can be pushed by the abutment (25), forcing the first lifting part (31) to tilt up and be higher than the extended support plate (26), thereby lifting the material roller and allowing the material roller to move toward the lifting platform. (21) directional rolling; the first abutting part (32) and the first lifting part (31) are fixedly connected by a rotating shaft, the rotating shaft passes through the transfer plate (24) and is rotatably connected to the transfer plate (24), the first abutting part (32) is located on the outside of the transfer plate (24), and the first lifting part (31) is located on the inside of the transfer plate (24); the abutting member (25) is located on the outside of the transfer plate (24), the abutting member (25) is on the moving path of the first abutting part (32), the transfer plate (24) is also provided with a material stop (4) and an anti-dropping component (5) for limiting the moving range of the material roller; the anti-dropping component (5) is located on the outside of the transfer plate (24). The transfer plate (24) is located away from the material rack (1) at one end; the baffle (4) is rotatably connected to the transfer plate (24); the baffle (4) includes a second abutting part (41) and a second lifting part (42), the second abutting part (41) and the first abutting part (32) are on the same side, and the second abutting part (41) and the second lifting part (42) are fixed by a rotating shaft; when the transfer plate (24) moves toward the material rack (1), the second abutting part (41) can be pushed by the abutting part (25), forcing the second lifting part (42) to lift up and thus lift the material roller, so that the material roller rolls toward the material rack (1).

2. The material roller transfer device according to claim 1, characterized in that: The unloading rotating component has a material-preventing protrusion (33) located on the first lifting part (31).

3. The material roller transfer device according to claim 1, characterized in that: The second lifting part (42) has a limiting part (43), and the transfer plate (24) is provided with a first reset member (44). The first reset member (44) can force the limiting part (43) to be higher than the transfer plate (24). The limiting part (43) has an abutting surface (341) and a pushing surface (342). When the material roller rolls toward the pushing surface (342), it can push the limiting part (43) to be lower than the transfer plate (24).

4. The material roller transfer device according to claim 2, characterized in that: The transfer plate (24) has a second reset member (34) which can force the anti-drop protrusion (33) to be higher than the transfer plate (24).

5. The material roller transfer device according to claim 1, characterized in that: The included angle between the second abutting part (41) and the second lifting part (42) is 120°-150°.

6. The material roller transfer device according to claim 1, characterized in that: The length ratio of the second abutting part (41) to the length of the second lifting part (42) is 1:1-2.

5.

7. The material roller transfer device according to claim 1, characterized in that: The anti-dropping component (5) includes a rotating rod (51) rotatably mounted on the transfer plate (24), an anti-dropping rod (52) slidably connected to the rotating rod (51), an anti-dropping groove (53) and a clearance groove (54) opened on the transfer plate (24); the rotating rod (51) can rotate to allow the anti-dropping rod (52) to enter the anti-dropping groove (53) or the clearance groove (54).

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