Reel supporting device and winding and unwinding equipment

Abstract

The utility model discloses a reel supporting device and winding and unwinding equipment, which belongs to the field of supporting equipment and comprises a first supporting unit, a second supporting unit, a lifting mechanism and a locking mechanism. The first supporting unit and the second supporting unit are supported at the two ends of a reel respectively. The lifting mechanism is movably connected with the second supporting unit and used for adjusting the height of the second supporting unit, so that the second supporting unit supports or is separated from one end of the reel; the locking mechanism is movably connected to the first supporting unit and used for locking the transverse displacement of the reel. The coil unloading and resetting device is simple and rapid in coil unloading and resetting operation, can greatly reduce the loading and unloading procedures, reduces the labor intensity of workers, can guarantee the resetting effect of repeated use, and improves the production efficiency.

Description

Technical Field

[0001] The utility model belongs to the field of supporting equipment, and in particular relates to a reel supporting device and a reeling and unreeling device. Background Art

[0002] Copper foil, as a key material, is widely used in various fields such as battery manufacturing and circuit board production in the electronics and new energy industries. With the rapid development of these industries, the demand for copper foil has increased dramatically, and the requirements for the automation and efficiency of copper foil production lines have also increased.

[0003] During the unwinding process, the copper foil coil used in lithium battery production is often wrapped around an inflatable shaft, which is generally fixed to the unwinding mechanism. Therefore, when unloading the copper foil coil, the inflatable shaft and the copper foil coil need to be unlocked first and then the inflatable shaft and the copper foil coil need to be transferred separately. However, the unloading process mainly relies on manual operation. The disassembly process between the copper foil coil and the inflatable shaft and between the inflatable shaft and the unwinding mechanism is cumbersome. In addition, the copper foil coil and the inflatable shaft are heavy, so the operator needs to operate and carry the heavy objects multiple times. This results in high labor intensity and low unloading and transportation efficiency, affecting the production efficiency of lithium batteries. It is also easy for the copper foil coil to be damaged or scrapped due to improper operation during the unloading process, thereby increasing the production cost of lithium batteries.

[0004] Utility model patent application number 201720254485.6 discloses a pneumatic shaft replacement device that allows the pneumatic shaft to be detachably mounted on the replacement device, enabling the pneumatic shaft and the coiled material on the pneumatic shaft to be removed together. However, this patent requires adjusting the pneumatic shaft to a suitable height by raising and lowering two hydraulic mechanisms at both ends of the pneumatic shaft. Workers then remove the bolts on the upper trays at both ends of the pneumatic shaft, open the upper trays, and then remove and replace the pneumatic shaft. The overall disassembly and assembly process is still relatively cumbersome and difficult to reduce the labor intensity of the workers. The two hydraulic mechanisms of this patent may cause the height of the two ends of the pneumatic shaft to be inconsistent each time the height is adjusted due to various factors. This may cause the coil to skew during rewinding, resulting in the need for rewinding or scrapping of the coil, and the accuracy of the height after the device is reset is difficult to guarantee. Therefore, it is necessary to propose a reel support device and rewinding and unwinding equipment in this field to overcome the shortcomings of the cumbersome unloading process of copper foil coils, the inability to reduce the labor intensity of workers, and the difficulty in ensuring the reset effect of the device after multiple uses. Utility Model Content

[0005] The purpose of this utility model is to provide a reel support device and reeling and unreeling equipment to address the above shortcomings, and to solve the current problems of cumbersome copper foil coil unloading process, high labor intensity for workers, and poor device reset effect. To achieve the above purpose, this utility model provides the following technical solutions:

[0006] A reel support device comprises a first support unit, a second support unit, a lifting mechanism and a locking mechanism; the first support unit and the second support unit are respectively supported at the two ends of the reel; the lifting mechanism is movably connected to the second support unit and is used to adjust the height of the second support unit so that the second support unit supports or is separated from one end of the reel; the locking mechanism is movably connected to the first support unit to lock the other end of the reel (1) and limit the lateral displacement of the reel.

[0007] As an optional solution, the second support unit includes a first support part and a guide part; the first support part is driven and connected to the lifting mechanism, and can be adjusted in height under the drive of the lifting mechanism, thereby achieving support or disengagement of one end of the reel; the guide part is slidably connected to the first support part to limit the first support part from being lifted or lowered in the height direction.

[0008] As an optional solution, the second support unit further includes two first rolling elements, which are symmetrically arranged and respectively in rolling contact with the first support portion, and the axes of the first rolling elements are parallel to the axis of the scroll; and / or,

[0009] The first supporting unit includes a second supporting portion and two second rolling elements. The two second rolling elements are symmetrically arranged and respectively in rolling contact with the second supporting portion. The axes of the second rolling elements are parallel to the axis of the reel.

[0010] As an optional solution, the first support part includes a guide plate, the guide part includes a limiting slot, the guide plate is slidably connected to the limiting slot and is drivingly connected to the lifting mechanism, the extension direction of the guide plate is parallel to the lifting direction of the first support part, and the lifting mechanism drives the first support part to rise and fall along the extension direction of the guide plate through the sliding cooperation between the guide plate and the limiting slot.

[0011] As an optional solution, the lifting mechanism includes a top seat and a driving assembly; the top seat is driven and connected to the driving assembly; the top seat is located below the first support part and abuts against the guide plate; the driving assembly drives the top seat to rise and fall, thereby driving the first support part to rise and fall.

[0012] As an optional solution, the driving assembly includes a driving connection connecting rod structure and a driving rod, the connecting rod structure is connected to the top seat; the connecting rod structure can change the height of the top seat under the drive of the driving rod.

[0013] As an optional solution, an auxiliary support unit is supported at any position between the two ends of the reel, and includes a movably connected auxiliary support member and a height adjustment assembly, wherein the auxiliary support member is configured to fit into the outer wall of the reel to provide contact support; the height adjustment assembly is used to adjust the height of the auxiliary support member relative to the reel so that the auxiliary support member supports or detaches from the outer wall of the reel.

[0014] As an optional solution, the height adjustment assembly includes an adjustment member and a first guide assembly; the adjustment member is adjustably connected to the auxiliary support member, and the extension direction of the first guide assembly is parallel to the adjustment direction of the adjustment member, which is used to limit the vertical movement of the auxiliary support member.

[0015] As an optional solution, it also includes a sliding mechanism, which includes a second guide member arranged along the axial direction of the reel; the auxiliary support unit also includes an auxiliary support, the auxiliary support and the height adjustment assembly are arranged on the auxiliary support, and the auxiliary support is provided with a second guide sleeve corresponding to the second guide member; the second guide member and the second guide sleeve are slidably matched to make the auxiliary support move along the axial direction of the reel to change the contact position between the auxiliary support and the reel.

[0016] A material roll supporting device comprises at least one of the above-mentioned reel supporting devices and a reel; the reel is supported on the reel supporting device.

[0017] The beneficial effects of the utility model are:

[0018] The utility model discloses a reel support device and rewinding and unwinding equipment, belonging to the field of support equipment, comprising a first support unit, a second support unit, a lifting mechanism, and a locking mechanism; the first support unit and the second support unit are respectively supported at both ends of the reel; the lifting mechanism is movably connected to the second support unit and is used to adjust the height of the second support unit so that the second support unit supports or detaches from one end of the reel; the locking mechanism is movably connected to the first support unit and is used to lock the lateral displacement of the reel. The utility model is simple and quick to unload and rewind, can significantly reduce the loading and unloading process, reduce the labor intensity of the staff, can ensure the rewinding effect after multiple uses, and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model Figure 2 , the locking plate and the locking member are not shown;

[0021] Figure 3 This is a partial structural diagram of the elastic locking pin and the guide plate of the utility model;

[0022] Figure 4 This is a schematic diagram of the three-dimensional structure of the utility model Figure 3 , the reel and locking mechanism are not shown;

[0023] Figure 5 This is a partial structural diagram of the second support unit and the lifting mechanism of the utility model;

[0024] In the accompanying drawings: 1. reel; 2. second support unit; 3. lifting mechanism; 4. locking mechanism; 5. first support unit; 6. auxiliary support; 7. auxiliary support member; 8. height adjustment assembly; 9. sliding mechanism; 11. locking hole; 21. first rolling member; 22. guide plate; 23. limiting groove; 31. top seat; 32. connecting rod structure; 33. driving rod; 41. locking plate; 42. locking member; 51. second rolling member; 52. second support part; 61. mounting platform; 81. adjusting member; 82. first guide member; 91. second guide member; 92. second guide sleeve; 221. socket; 231. elastic locking pin. DETAILED DESCRIPTION

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It will be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model.

[0026] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0027] In the present invention, unless otherwise expressly specified and limited, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, the first feature being "above", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature. In addition, the terms "first" and "second" are only used to distinguish in description and have no special meaning.

[0028] It should be noted that, unless there is a conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the embodiments.

[0029] Example 1:

[0030] Figure 1 The specific structure of a reel support device is shown. A reel support device includes a first support unit 5, a second support unit 2, a lifting mechanism 3, and a locking mechanism 4. The reel 1 can specifically be a rotatable motion shaft, such as an inflatable shaft. The first support unit 5 and the second support unit 2 are supported at the left and right ends of the reel 1, respectively, without affecting the rotation of the reel 1 on the reel support device. When used in a production process, the reel 1 can be rotated to rewind raw materials such as copper foil coils, aluminum foil coils, or other foil coils. When the position of the reel 1 needs to be adjusted, the second support unit 2 needs to be disengaged from one end of the reel 1. The locking mechanism 4 is first used to lock the other end of the reel 1 to prevent lateral displacement of the reel 1 and prevent the reel 1 from shifting, which would affect continued operation after resetting. The height of the second support unit 2 is then adjusted using the lifting mechanism 3 to disengage the second support unit 2 from one end of the reel 1. When resetting, the height of the second support unit 2 is adjusted using the lifting mechanism 3 so that the second support unit 2 contacts and supports one end of the reel 1. The locking mechanism 4 is then released from the other end of the reel 1 to complete the resetting.

[0031] Since the position of the reel 1 is always locked in the position before adjustment during the height adjustment of the second support unit 2, the reel 1 will not shift laterally even if the adjustment and reset operations are repeated, and the reset effect of multiple uses can be guaranteed. Therefore, the device does not need to be adjusted again after reset, and the next work can be quickly started, ensuring production efficiency. The height adjustment and reset operations of the utility model are simple and fast, which can shorten the process and reduce the labor intensity of the staff, and ensure the reset effect of multiple uses, and also improve production efficiency.

[0032] The second support unit 2 includes a first support part and a guide part. The first support part is driven and connected to the lifting mechanism 3 and is driven by the lifting mechanism 3 to adjust its height, so as to contact and support or separate from one end of the support reel 1, and the guide part is used to limit the lifting direction of the first support part to ensure that the first support part can be accurately lifted and lowered in the vertical direction.

[0033] On this basis, the second support unit 2 and / or the first support unit 5 can be configured as a structure that provides support for the reel 1. Specifically, the first support portion includes two first rolling elements 21, which are symmetrically arranged, with the axes of the first rolling elements 21 parallel to the axis of the reel 1. The two first rolling elements 21 can simultaneously roll in contact with the first support portion, supporting the reel 1 through rolling support without affecting the rotation of the reel 1.

[0034] The first support unit 5 includes a second support portion 52 and two second rolling elements 51, wherein the second support portion 52 is used to provide stable support for the other end of the reel 1. During the support process, the second support portion 52 can be fixedly connected to the other end of the reel 1, and the second support portion 52 can also be movably connected to the other end of the reel 1, but the connected contact portion will not be separated from the reel 1, thereby providing fixed support. The two second rolling elements 51 are symmetrically arranged below the other end of the reel 1, and are in rolling contact with the second support portion 52 respectively, and the axis of the second rolling element 51 is parallel to the axis of the reel 1. Specifically, Figure 4 The figure also specifically shows the specific arrangement of the first rolling element 21 and the second rolling element 51. The second rolling element 51 can be identical in structure to the first rolling element 21 and is respectively arranged at both ends of the reel 1. When the reel 1 rotates, the two second rolling elements 51 and the two first rolling elements 21 are in contact with the reel 1 at the same time, thereby providing sufficient support force for both ends of the reel 1.

[0035] Figure 5 The specific structure of the second support unit 2 is shown separately in the figure. The guide portion includes a limiting groove 23, and the first support portion includes a guide plate 22, and the guide plate 22 is slidably connected to the limiting groove 23. The extension direction of the guide plate 22 is parallel to the lifting direction of the first support portion, and the guide plate 22 is also connected to the lifting mechanism 3. The lifting mechanism 3 can drive the first support portion to rise and fall along the extension direction of the guide plate 22 through the sliding cooperation between the guide plate 22 and the limiting groove 23. Specifically, two first rolling elements 21 are rotatably mounted on the guide plate 22. When the lifting mechanism 3 drives the guide plate 22 to slide, it can drive the two first rolling elements 21 to move vertically, thereby contacting and supporting or disengaging with one end of the reel 1. The first rolling element 21 can be a roller, and the extension direction of the guide plate 22 is vertical.

[0036] The limiting groove 23 may include two U-shaped end grooves, symmetrically arranged on either side of the bottom of the guide plate 22. The outer walls of the front and rear sides of the guide plate 22 are vertically inserted downwardly into the two U-shaped end grooves and then slideably engage with the slideways formed by the U-shaped end grooves. The present invention further ensures the reliability of the device through the sliding contact between the guide plate 22 and the limiting groove 23. It is understood that slide rails may also be vertically arranged on the outer walls of the front and rear sides of the guide plate 22, with the two sides of the guide plate 22 slidingly engaging with the slide rails to achieve vertical lifting and lowering adjustment.

[0037] Figure 3 The structure of the elastic locking pins is also shown. Two opposing elastic locking pins 231 are provided on each of the two U-shaped end grooves. Two receptacles 221, corresponding to the elastic locking pins 231, are arranged in an array on the front and rear sidewalls of the guide plate 22. The elastic locking pins 231 are used to lock the position of the guide plate 22 when the guide plate 22 moves to bring the two first rolling elements 21 into contact with one end of the reel 1, ensuring that the two first rolling elements 21 provide stable support for the end of the reel 1. The elastic locking pins 231 consistently maintain a tendency to push toward the guide plate 22. When the guide plate 22 rises to a position where the two receptacles 221 correspond to the two elastic locking pins 231, the elastic locking pins 231 directly insert into the receptacles 221, achieving insertion lock and thereby securing the position of the guide plate 22. To unlock the guide plate 22, the two elastic locking pins 231 are simultaneously pulled apart, and the height of the guide plate 22 is adjusted using the lifting mechanism 3 to offset the receptacles 221 and the elastic locking pins 231, ensuring that displacement is not affected. Specifically, a plurality of elastic locking pins 231 or insertion holes 221 can be arranged in an array to facilitate locking of the guide plate 22 at different positions. The specific structure is prior art and will not be described in detail in this utility model.

[0038] The lifting mechanism 3 includes a top seat 31 and a drive assembly, with the top seat 31 connected to the drive assembly. The top seat 31 is located below the first support portion and abuts the guide plate 22, contacting the bottom of the guide plate 22 in the first support portion and providing support for the guide plate 22. The drive assembly drives the top seat 31 to move upward and downward, thereby driving the guide plate 22 of the first support portion to move upward and downward.

[0039] The driving assembly includes a connecting rod structure 32 and a driving rod 33. The working principle and specific structure of the driving assembly can refer to the lifting jack in the prior art. The connecting rod structure 32 is used to change the height of the top seat 31 relative to the ground under the drive of the driving rod 33. Specifically, the driving rod 33 can be a screw structure, and the connecting rod structure 32 can be a crank structure. One end of the crank is movably connected to the top seat 31, and the other end is movably connected to the screw. The crank can be driven by the screw to lift the top seat 31. Figure 5As shown, in the vertical direction, two cranks can be symmetrically arranged relative to the screw, and the two cranks are connected to the screw through a hinge block, so as to facilitate stable adjustment of the crank structure. Furthermore, the crank structure can be symmetrically arranged along the vertical screw axis, which is conducive to stable adjustment of the lifting and lowering of the top seat 31.

[0040] The locking mechanism 4 of the present invention can lock the lateral position between the other end of the reel 1 and the second support portion 52 by means of threaded locking. Preferably, the locking mechanism 4 can also adopt other locking methods, such as claw locking.

[0041] Figure 1 and Figure 2 The structures of the locking mechanism 4 and the locking hole 11 are shown separately. The locking mechanism 4 includes a locking plate 41 and a locking member 42 that removably engages with the locking plate 41. Specifically, the locking member 42 can be configured as a locking bolt. The locking plate 41 is disposed on the top of the second support portion 52, while the side wall of the other end of the reel 1 has a locking hole 11 that mates with the locking member 42. The locking hole 11 has an internal thread that mates with the locking bolt. When the locking member 42 removably engages with the locking plate 41, the axis of the locking member 42, the axis of the reel 1, and the center of the locking hole 11 are aligned, ensuring accurate locking and unlocking of the locking member 42 and the reel 1.

[0042] Example 2:

[0043] refer to Figure 1 、 Figure 2 and Figure 4 . On the basis of the reel support device described in Example 1, an auxiliary support unit for supporting at any position between the two ends of the reel 1 is also provided. The auxiliary support unit includes a movably connected auxiliary support member 7 and a height adjustment assembly 8. The auxiliary support member 7 is configured to fit with the outer peripheral wall of the reel 1 to provide contact support. The height adjustment assembly 8 is used to adjust the height of the auxiliary support member 7 relative to the reel 1. When the two first rolling members 21 provide contact support for one end of the reel 1, the auxiliary support member 7 is disengaged from the outer peripheral wall of the reel 1. When the two first rolling members 21 are disengaged from one end of the reel 1, the auxiliary support member 7 is utilized to contact the outer peripheral wall of the reel 1 and provide auxiliary support.

[0044] The height adjustment assembly 8 includes an adjustment member 81 and a first guide assembly; the adjustment member 81 is adjustably connected to the auxiliary support member 7, and the adjustment member 81 is used to drive the auxiliary support member 7 to rise and fall relative to the auxiliary support 6 described below. The extension direction of the first guide assembly is parallel to the adjustment direction of the adjustment member 81, and is used to limit the vertical movement of the auxiliary support member 7.

[0045] The auxiliary support unit also includes a sliding mechanism 9 and an auxiliary support 6, wherein the sliding mechanism 9 includes at least one second guide member 91 arranged along the axis direction of the reel 1, and the auxiliary support member 7 is movably connected to the auxiliary support 6, and the auxiliary support 6 is provided with a second guide sleeve 92 corresponding to the second guide member 91. The second guide member 91 is used to slide with the second guide sleeve 92 to move the auxiliary support 6 along the axis direction of the reel 1 to change the contact position between the auxiliary support member 7 and the reel 1. Therefore, when the auxiliary support unit is not needed, the auxiliary support unit can be stored at one end of the reel 1 close to the locking mechanism 4 by sliding, without affecting the normal rotation of the reel 1. For example, when adjusting the height of the second support unit 2, the auxiliary support unit can be used to provide auxiliary support for the middle position of the reel 1. When the height adjustment is completed and the reel is to be wound and unwound, the auxiliary support unit can be slid to a position on the side of the first support unit 5, thereby realizing the spatial storage of the auxiliary support unit without affecting the winding and unwinding operation. Preferably, two second guide members 91 are provided.

[0046] Preferably, the auxiliary support 6 includes a mounting platform 61, and the adjustment member 81 is configured as a threaded rod having a top fixed to the auxiliary support member 7 and a bottom rotatably connected to the mounting platform 61. By rotating the threaded rod, the relative height between the auxiliary support member 7 and the auxiliary support 6 can be adjusted, thereby achieving support or disengagement between the auxiliary support member 7 and the outer peripheral wall of the reel 1. The guide assembly includes two mutually parallel first guide members 82, and two first guide holes are provided on the mounting platform 61. The first guide members 82 correspond to the first guide holes one-to-one, and the upper portion of the first guide member 82 is fixed to the auxiliary support member 7 and the lower end slides in the corresponding first guide hole. The first guide member 82 is used to ensure that the displacement direction of the auxiliary support member 7 does not deviate.

[0047] Specifically, the auxiliary support member 7 can also be configured as an arc-shaped concave block that fits against the outer side wall of the reel 1 through its top surface to provide contact support.

[0048] Example 3:

[0049] A winding and unwinding device comprises a reel support device and a reel 1 as described in the second embodiment, wherein the reel 1 is supported on the reel support device, and the reel 1 is used to wind and support the material roll. Specifically, the reel 1 can be an inflatable shaft. When unloading the roll, the locking mechanism 4 can be used to lock one end of the reel 1 to limit the rotation and / or displacement of the reel 1, thereby facilitating the separation and unloading between the roll and the reel 1, and also allowing the reel 1 to remain in its original working position, thereby preventing the reel 1 from shifting when the roll is unloaded. The two rollers of the second support unit are then separated from one end of the reel 1 by the lifting mechanism 3, so that the staff can manually or operate a forklift for unloading to directly unload the roll from the side of the support shaft. After unloading is completed, the two rollers in the second support unit are moved vertically again by the lifting mechanism 3 until they contact one end of the inflatable reel 1, and the locking mechanism 4 on one end of the reel 1 is released to complete the reset and continue the reeling work. The unloading and resetting processes of the coiled material of this device are simple, which can reduce the labor intensity of the staff and ensure production efficiency. Specifically, the material roll configured on the inflatable shaft can be a copper foil roll or an aluminum foil roll. Copper foil rolls or aluminum foil rolls are important raw materials in the lithium battery production process. In addition, the reeling and unwinding equipment can also reel and unreel other foil material rolls to meet production requirements.

[0050] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A reel support device, characterized in that: include: A first supporting unit (5), a second supporting unit (2), a lifting mechanism (3) and a locking mechanism (4); the first supporting unit (5) and the second supporting unit (2) are respectively supported at two ends of the reel (1); the lifting mechanism (3) is movably connected to the second supporting unit (2) and is used to adjust the height of the second supporting unit (2) so that the second supporting unit (2) supports or is separated from one end of the reel (1); the locking mechanism (4) is movably connected to the first supporting unit (5) to lock the other end of the reel (1) and limit the lateral displacement of the reel (1).

2. The reel support device according to claim 1, characterized in that: The second support unit (2) comprises a first support portion and a guide portion; the first support portion is driven and connected to the lifting mechanism (3) and can be height-adjusted under the drive of the lifting mechanism (3), thereby achieving support or separation of one end of the reel (1); The guide portion is slidably connected to the first support portion to limit the first support portion from rising or falling along a height direction.

3. The reel support device according to claim 2, characterized in that: The second support unit (2) further comprises two first rolling members (21), the two first rolling members (21) being symmetrically arranged and respectively in rolling contact with the first support portion, the axes of the first rolling members (21) being parallel to the axis of the reel (1); and / or, The first support unit (5) comprises a second support portion (52) and two second rolling elements (51), the two second rolling elements (51) are symmetrically arranged and respectively in rolling contact with the second support portion (52), and the axis of the second rolling element (51) is parallel to the axis of the reel (1).

4. The reel support device according to claim 2, characterized in that: The first supporting portion includes a guide plate (22), the guide portion includes a limiting groove (23), the guide plate (22) is slidably connected to the limiting groove (23) and is drivingly connected to the lifting mechanism (3), the extension direction of the guide plate (22) is parallel to the lifting direction of the first supporting portion, and the lifting mechanism (3) drives the first supporting portion to rise and fall along the extension direction of the guide plate (22) through the sliding cooperation between the guide plate (22) and the limiting groove (23).

5. The reel support device according to claim 2, characterized in that: The lifting mechanism (3) comprises a top seat (31) and a driving assembly; the top seat (31) is drivingly connected to the driving assembly; the top seat (31) is located below the first supporting portion and abuts against the guide plate (22); the driving assembly drives the top seat (31) to rise and fall, thereby driving the first supporting portion to rise and fall.

6. The reel support device according to claim 5, characterized in that: The driving assembly comprises a drivingly connected connecting rod structure (32) and a driving rod (33), wherein the connecting rod structure (32) is connected to the top seat (31); the connecting rod structure (32) can change the height of the top seat (31) under the drive of the driving rod (33).

7. The reel support device according to claim 1, characterized in that: Also includes: An auxiliary support unit is supported at any position between the two ends of the reel (1), and comprises a movably connected auxiliary support member (7) and a height adjustment assembly (8), wherein the auxiliary support member (7) is configured to fit with the outer peripheral wall of the reel (1) to provide contact support; and the height adjustment assembly (8) is used to adjust the height of the auxiliary support member (7) relative to the reel (1), so that the auxiliary support member (7) supports or is separated from the outer peripheral wall of the reel (1).

8. The reel support device according to claim 7, characterized in that: The height adjustment assembly (8) comprises an adjustment member (81) and a first guide assembly; the adjustment member (81) is adjustably connected to the auxiliary support member (7); the extension direction of the first guide assembly is parallel to the adjustment direction of the adjustment member (81), and is used to limit the vertical movement of the auxiliary support member (7).

9. The reel support device according to claim 8, characterized in that: Also includes: A sliding mechanism (9), wherein the sliding mechanism (9) includes at least one second guide member (91) arranged along the axial direction of the reel (1); the auxiliary support unit also includes an auxiliary support (6), the auxiliary support member (7) and the height adjustment assembly (8) are arranged on the auxiliary support (6), and the auxiliary support (6) is provided with a second guide sleeve (92) corresponding to the second guide member (91); the second guide member (91) and the second guide sleeve (92) are slidably matched to make the auxiliary support (6) move along the axial direction of the reel (1) to change the contact position between the auxiliary support member (7) and the reel (1).

10. A reeling and unreeling device, characterized in that: The invention comprises a reel support device according to any one of claims 1 to 9 and a reel (1); the reel (1) is supported on the reel support device.

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