Continuous winding device of planetary rolling mill

Abstract

The utility model discloses a planetary rolling mill continuous winding device which comprises a first winding unit and a second winding unit which are oppositely arranged, each of the first winding unit and the second winding unit comprises a cross beam and a telescopic mechanism, the cross beams extend in the horizontal direction, each cross beam is internally provided with one telescopic mechanism, each telescopic mechanism comprises a movable guide rail, and the movable guide rails are connected with the first winding unit and the second winding unit. The movable guide rails can move in the horizontal direction and the vertical direction, so that the first winding unit and the second winding unit have a butt joint state and a disconnection state, and in the butt joint state, the movable guide rails of the telescopic mechanisms of the two winding units are in butt joint, and the top surfaces of the movable guide rails are flush with the top surface of the cross beam; and in the disconnected state, the movable guide rails of the telescopic mechanisms of the two winding units are disconnected and located below the top face of the cross beam. According to the continuous winding device of the planetary rolling mill, a mounting platform is not needed, the occupied area is prevented from being increased, the production cost can be effectively reduced, the mounting time is saved, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of copper tube rolling, and in particular relates to a continuous winding device for a planetary rolling mill. Background Art

[0002] In the process of casting and rolling tube billet, the rolled tube billet needs to be curled into a disc shape, that is, coiled, to facilitate material transfer and subsequent processing. How to ensure the continuous coiling and rapid transfer of the rolled tube billet becomes the key to improving production capacity, and the guide rail in the coiling device is an indispensable component of material transfer.

[0003] In order to improve the utilization rate of the planetary rolling mill, the coil is continuously wound along with the production speed of the planetary rolling mill and the coil is moved out of the winding unit in time to ensure that the coil can be provided to any subsequent processing procedure at any time. The Chinese utility model patent with publication number CN216679610U discloses a continuous winding device for copper tube rolling, the device includes a first winding unit, a second winding unit, a material shifting mechanism and a beam driving member, the material shifting mechanism is movably arranged on the beam of the first winding unit or the second winding unit, and can be lifted and lowered in the vertical direction, the beam of the first winding unit and / or the second winding unit can be retracted and retracted in its extension direction, so that the first winding unit and the second winding unit have docking and disconnection states, in the docking state, the beams of the first winding unit and the second winding unit are docked, the material shifting mechanism can move between the two, and in the disconnection state, the beams of the first winding unit and the second winding unit are disconnected. Through such an arrangement, the first winding unit and the second winding unit can be connected or disconnected at any time, thereby improving the stability of the coil transfer, providing the coil to any subsequent processing steps, realizing the continuous operation of the planetary rolling mill, and improving the production line capacity. However, a special installation platform needs to be made at the roller of the second winding unit of the device to place the crossbeam drive component, which will increase the production cost and the installation platform occupies a large area. In addition, if the telescopic guide rail of the second winding unit is lengthened, the crossbeam drive component and the installation platform at the end of the guide rail must also be increased by the same length. Therefore, when the customer requires a larger winding track, the floor space of the entire device increases, which will lead to a significant increase in production costs; installing a large-volume installation platform is also time-consuming and labor-intensive, affecting production efficiency. Utility Model Content

[0004] In view of this, in order to overcome the defects of the prior art, the purpose of the utility model is to provide an improved planetary rolling mill continuous winding device to improve production efficiency and reduce production costs.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A planetary rolling mill continuous winding device comprises a first winding unit and a second winding unit, wherein the first winding unit and the second winding unit are arranged opposite to each other, and the first winding unit and the second winding unit both comprise a beam extending in a horizontal direction;

[0007] The first winding unit and the second winding unit also include telescopic mechanisms, and one telescopic mechanism is arranged inside each of the crossbeams. The telescopic mechanism includes a movable guide rail, and the movable guide rail can move in the horizontal and vertical directions, so that the first winding unit and the second winding unit have a docking state and a disconnected state. When the first winding unit and the second winding unit are in the docking state, the movable guide rails of the telescopic mechanisms of the first winding unit and the second winding unit are docked and the top surface of the movable guide rail is flush with the top surface of the crossbeam; when the first winding unit and the second winding unit are in the disconnected state, the movable guide rails of the telescopic mechanisms of the first winding unit and the second winding unit are disconnected and the movable guide rails are located below the top surface of the crossbeam.

[0008] By setting a telescopic mechanism in both the first winding unit and the second winding unit, and using the movable guide rails of the telescopic mechanism to extend and retract at the same time, the first winding unit and the second winding unit can be docked or disconnected at any time, ensuring that during normal production, the movable guide rails are in a docking state, allowing the transfer rack to move back and forth between the first winding unit and the second winding unit to transfer the ingots for use at different workstations. At the same time, it can also ensure that once an abnormality occurs in the winding device, the movable guide rails can be quickly disconnected, and the problematic pipe billets can be quickly lifted to other locations in conjunction with the crane, greatly reducing the impact of abnormal conditions on normal production. In addition, since the telescopic mechanisms are all set inside the crossbeam, the internal space of the crossbeam can be effectively utilized, and the floor area of ​​the device will not be increased, and no additional space will be occupied.

[0009] According to some preferred implementation aspects of the utility model, the first winding unit and the second winding unit are both provided with a support frame and two parallel beams, one end of the beam is fixedly connected to the support frame, and all the beams are distributed on the same horizontal plane; each beam has a receiving cavity inside, one end of the beam is provided with a through opening, the receiving cavity is connected to the through opening, the receiving cavity is used to receive the telescopic mechanism, and a telescopic mechanism of the first winding unit and a telescopic mechanism of the second winding unit located in the same horizontal direction are symmetrically arranged. Arranging the telescopic mechanism in the receiving cavity inside the beam not only does not increase the additional floor space, but also can effectively reduce the floor space of the entire winding device, and effectively reduce the production cost.

[0010] According to some preferred implementation aspects of the utility model, each of the telescopic mechanisms includes a first driving member, a moving arm, a first connecting rod for connecting the moving arm with a movable guide rail, and a fixed block fixedly connected to the moving arm, the first driving member is used to drive the fixed block to move along the length extension direction of the beam, the moving arm of each telescopic mechanism is arranged corresponding to one of the movable guide rails, the moving arm is located below the corresponding movable guide rail, the top surface of the fixed block is in contact with the top surface of the inner wall of the beam, and the bottom surface of the fixed block is in contact with the bottom surface of the inner wall of the beam. Telescopic mechanisms are arranged in the first winding unit and the second winding unit, and the first driving member in each telescopic mechanism is used to drive the corresponding telescopic guide rail to be telescoped, so that the first winding unit and the second winding unit can be connected or disconnected at any time. Compared with the method of only driving one of the beams in the first winding unit or the second winding unit to move to connect with another fixed beam in the prior art, the arrangement of the utility model can effectively reduce the driving power of the first driving member.

[0011] According to some preferred implementation aspects of the utility model, at least two first connecting rods are provided for connecting one of the movable guide rails and the corresponding movable arm, and the two ends of the connecting rods are rotatably connected to the movable guide rail and the movable arm respectively. The first connecting rods are provided so that a parallelogram structure is formed between the movable guide rail, the movable arm and the two first connecting rods, so that the movable guide rail can be driven to move by the movement of the movable arm.

[0012] According to some preferred implementation aspects of the utility model, each of the telescopic mechanisms also includes a guide block fixedly arranged at one end of the beam away from the support frame, the guide block is located in the accommodating cavity, the guide block is provided with a guide groove, the guide groove is arranged from one side of the guide block close to the first driving member upward and toward the other side, and the guide groove runs through the thickness direction of the guide block.

[0013] According to some preferred implementation aspects of the utility model, a guide shaft is fixedly provided at one end of the movable guide rail close to the first driving member, and the guide groove is used for sliding the guide shaft. In some embodiments of the utility model, the guide groove is arranged obliquely upward, which can guide and limit the moving path of the movable guide rail, so that the movable guide rail moves upward and forward from below the top surface of the cross beam to be flush with the top surface of the cross beam, which is convenient for the transfer of the steel pipe.

[0014] According to some preferred implementation aspects of the utility model, two symmetrically arranged locking mechanisms are also included, one of which is located between the two beams of the first winding unit, and the other is located between the two beams of the second winding unit, and each of the locking mechanisms includes a second driving member, a connecting portion fixedly connected to the second driving member, a second connecting rod rotatably connected to both ends of the connecting portion, and a locking pin rotatably connected to each of the second connecting rods. The locking mechanism is provided to further control the movement stroke of the moving arm. When the first winding unit and the second winding unit are docked, their respective movable guide rails are in a docking state. At this time, the position of the moving arm is locked by the locking mechanism to restrict it from continuing to move, thereby limiting the position of the movable guide rail, which together with the setting of the guide block and the guide shaft play a double insurance role.

[0015] According to some preferred implementation aspects of the utility model, each of the fixed blocks is provided with a locking hole for inserting the locking pin, and the locking hole runs through the width direction of the fixed block. The second driving member is used to drive the locking pin to insert into and / or disengage from the locking hole, and when the first winding unit and the second winding unit are in the docking state, the locking pin is inserted into the locking hole; when the first winding unit and the second winding unit are in the disconnected state, the locking pin is located outside the locking hole.

[0016] According to some preferred implementation aspects of the utility model, a protrusion is provided at the end of one of the two movable guide rails located in the same horizontal direction, and a groove is provided at the end of the other of the two movable guide rails located in the same horizontal direction, and when the first winding unit and the second winding unit are in the docking state, the protrusion is inserted into the groove.

[0017] According to some preferred implementation aspects of the utility model, when the first winding unit and the second winding unit are in the disconnected state, the distance between the crossbeam of the first winding unit and the crossbeam of the second winding unit is greater than or equal to 1m, so as to ensure that when an abnormal situation occurs, the copper tube can be removed from between the first winding unit and the second winding unit after the disconnection.

[0018] Compared with the prior art, the utility model is beneficial in that: the utility model is a planetary rolling mill continuous winding device, by setting a telescopic mechanism in both the first winding unit and the second winding unit, it can ensure that the first winding unit and the second winding unit can switch between the docking state and the disconnected state, and ensure that during normal production, the material transfer rack moves back and forth between the first winding unit and the second winding unit to transfer the billet for use at different stations, and when an abnormality occurs, the movable guide rails can be quickly disconnected to quickly lift the billet to other locations. It also effectively utilizes the space of the beam itself, does not need to install a platform, avoids occupying additional space, can effectively reduce production costs, and saves installation time, which is conducive to improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a schematic diagram of the main structure of the planetary rolling mill continuous winding device when the first winding unit and the second winding unit are in a docking state in a preferred embodiment of the utility model;

[0021] Figure 2 It is a schematic diagram of a top view of the structure of the planetary rolling mill continuous winding device with part of the structure hidden when the first winding unit and the second winding unit are in a docking state in a preferred embodiment of the utility model;

[0022] Figure 3 It is a schematic diagram of the main structure of the first winding unit (part of the structure is hidden) when the first winding unit and the second winding unit are in a docking state in a preferred embodiment of the utility model;

[0023] Figure 4 It is a schematic diagram of the main structure of the planetary rolling mill continuous winding device when the first winding unit and the second winding unit are in a disconnected state in a preferred embodiment of the utility model;

[0024] Figure 5 It is a schematic diagram of the top view of the structure of the planetary rolling mill continuous winding device with part of the structure hidden when the first winding unit and the second winding unit are in a disconnected state in the preferred embodiment of the utility model;

[0025] Figure 6 It is a schematic diagram of the main structure of the first winding unit (part of the structure is hidden) when the first winding unit and the second winding unit are in a disconnected state in a preferred embodiment of the utility model;

[0026] Figure 7 It is a schematic diagram of the main structure of the first winding unit (part of the structure is hidden) during the process of the first winding unit and the second winding unit being transformed from a disconnected state to a docked state in a preferred embodiment of the utility model;

[0027] Among them, the figure markings are: first winding unit-1, second winding unit-2, supporting frame-21, crossbeam-22, accommodating chamber-221, winding mechanism-23, telescopic mechanism-24, movable guide rail-241, movable arm-242, first connecting rod-243, first driving member-244, fixed block-245, locking hole-2451, guide block-246, guide groove-2461, guide shaft-247, locking mechanism-3, second driving member-31, connecting part-32, second connecting rod-33, locking pin-34, material moving mechanism-4, copper tube-5. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the technical solution of the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solution in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0029] Reference Figures 1 to 7 The planetary rolling mill continuous winding device in this embodiment includes a first winding unit 1, a second winding unit 2, a locking mechanism 3 and a material shifting mechanism 4. The first winding unit 1 and the second winding unit 2 are arranged opposite to each other, and the material shifting mechanism 4 is movably arranged on one of the first winding unit 1 and the second winding unit 2. The structure and arrangement of the material shifting mechanism 4 of the utility model refer to the Chinese utility model with publication number CN216679610U and the name "A Continuous Winding Device for Copper Tube Rolling", which will not be described in detail here.

[0030] Furthermore, if Figure 1 and Figure 4As shown, the first winding unit 1 and the second winding unit 2 both include a support frame 21, a crossbeam 22, a winding mechanism 23 and a telescopic mechanism 24. A telescopic mechanism 24 is arranged inside each crossbeam 22. The arrangement of the telescopic mechanism 24 enables the first winding unit 1 and the second winding unit 2 to have a docking state and a disconnected state. Specifically, a receiving cavity 221 for accommodating a telescopic mechanism 24 is provided inside each crossbeam 22, and a through opening is provided at one end of each crossbeam 22 away from its respective support frame 21. The receiving cavity 221 is connected to the through opening, so that the telescopic mechanism 24 can enter and exit the receiving cavity 221. The arrangement of the receiving cavity 221 can effectively utilize the internal space of the crossbeam 22, without the need to install an additional platform for placing the telescopic mechanism 24, without increasing the floor space, and can effectively reduce the production cost.

[0031] The crossbeam 22 and the winding mechanism 23 are both connected to the support frame 21. The winding mechanism 23 is used to wind up the copper tube 5. The crossbeam 22 is located below the winding mechanism 23. The support frame 21 is arranged in the vertical direction, one end of the crossbeam 22 is fixedly connected to the support frame 21, and the crossbeam 22 extends in the horizontal direction. Figure 2 and Figure 5 As shown, the first winding unit 1 and the second winding unit 2 are each provided with two parallel beams 22, and the four beams 22 of the first winding unit 1 and the second winding unit 2 are distributed on the same horizontal plane. The two beams 22 of the first winding unit 1 are provided correspondingly to the two beams 22 of the second winding unit 2; the two beams 22 of the first winding unit 1 have the same length, and the two beams 22 of the second winding unit 2 have the same length. A telescopic mechanism 24 of the first winding unit 1 and a telescopic mechanism 24 of the second winding unit 2 located in the same horizontal direction are symmetrically provided.

[0032] Specifically, Figure 2 , Figure 3 , Figures 5 to 7 As shown, each telescopic mechanism 24 includes a movable rail 241, a movable arm 242, a connecting rod for connecting the movable arm 242 and the movable rail 241, a fixed block 245 fixedly connected to the movable arm 242, and a first driving member 244 for driving the fixed block 245 to move along the length extension direction of the cross beam 22, and a guide shaft 247 is fixedly provided at one end of the movable rail 241 close to the first driving member 244. In this embodiment, the movable arm 242 of each telescopic mechanism 24 is provided corresponding to a movable rail 241, and the movable arm 242 is located below the corresponding movable rail 241. The top surface of the fixed block 245 is in contact with the top surface of the inner wall of the cross beam 22, and the bottom surface of the fixed block 245 is in contact with the bottom surface of the inner wall of the cross beam 22, so as to ensure that the fixed block 245 can move stably under the driving action of the first driving member 244, thereby driving the movable arm 242 and the movable rail 241 to move stably.

[0033] Further, at least two first connecting rods 243 are provided for connecting one movable rail 241 and the corresponding movable arm 242, and both ends of each first connecting rod 243 are respectively rotatably connected to the movable rail 241 and the movable arm 242. In this embodiment, two first connecting rods 243 are provided between one movable rail 241 and the corresponding movable arm 242, so that a parallelogram structure is formed between the movable rail 241, the movable arm 242 and the two first connecting rods 243, so that the movable arm 242 drives the movable rail 241 to move through the first connecting rod 243.

[0034] Furthermore, if Figure 7 As shown, each telescopic mechanism 24 further includes a guide block 246 fixedly disposed at one end of the cross beam 22 away from the support frame 21 and located in the accommodating cavity 221 of the cross beam 22. Each guide block 246 is provided with a guide groove 2461, which is arranged from one side of the guide block 246 close to the first driving member 244 upward and toward the other side, and the guide groove 2461 runs through the thickness direction of the guide block 246. The guide groove 2461 is provided to guide and limit the movement of the guide shaft 247. When the guide shaft 247 moves along with the movable guide rail 241 until the guide shaft 247 enters the guide block 246, the guide shaft 247 moves along the setting direction of the guide groove 2461 (moves obliquely upward) with the driving action of the first driving member 244, so that the movable guide rail 241 can move in both horizontal and vertical directions. The movable guide rail 241 moves upward and forward from the bottom of the top surface of the beam 22 to be flush with the top surface of the beam 22. At this time, the guide shaft 247 moves into place, and the first winding unit 1 and the second winding unit 2 are in a docking state, which is convenient for the transfer of the steel pipe. The setting of the guide block 246 can limit the movement of the fixed block 245 along the accommodating cavity 221 to prevent the fixed block 245 from slipping out of the accommodating cavity 221, and also control the push-out stroke of the movable arm 242.

[0035] In this embodiment, the first driving member 244 is configured as a cylinder, including a cylinder body and a piston rod, one end of the piston rod is hinged to the fixed block 245 of the telescopic machine, and the piston rod is driven to extend through the cylinder body, driving the fixed block 245 to extend, and further driving the moving arm 242 to extend, and the moving arm 242 drives the movable guide rail 241 to move through the first connecting rod 243. Initially, the movable guide rail 241 moves in the horizontal direction, and when it moves to contact with the guide block 246, the guide shaft 247 enters the guide groove 2461 and moves along the path of the guide groove 2461 until the guide shaft 247 moves to the top of the guide groove 2461, at which time the top surface of the movable guide rail 241 is flush with the top surface of the crossbeam 22, and the movable guide rails 241 in the telescopic mechanism 24 of the first winding unit 1 and the second winding unit 2 are docked together, so that the first winding unit 1 and the second winding unit 2 are in a docking state. When it is necessary to disconnect the movable rail 241 between the two telescopic mechanisms 24, the cylinder is driven in the reverse direction, and the movable rail 241 and the movable arm 242 are retracted along the original path to the accommodating cavity 221 inside the crossbeam 22, and the two movable rails 241 are disconnected. When the first winding unit 1 and the second winding unit 2 are in the disconnected state, the distance between the crossbeam 22 of the first winding unit 1 and the crossbeam 22 of the second winding unit 2 is greater than or equal to 1m, so as to ensure that in the event of an abnormal situation, after the first winding unit 1 and the second winding unit 2 are disconnected, the copper tube 5 can be moved out from between the two.

[0036] In order to ensure the connection stability of the movable guide rails 241 in the four telescopic mechanisms 24 when the first winding unit 1 and the second winding unit 2 are in a docking state, the end of one of the two movable guide rails 241 located in the same horizontal direction is provided with a protrusion (not shown), and the end of the other of the two movable guide rails 241 located in the same horizontal direction is provided with a groove (not shown), and the protrusion and the groove match each other. When the first winding unit 1 and the second winding unit 2 are in a docking state, the protrusion is inserted into the groove, further ensuring that the movable guide rails 241 will not fall off easily when docking.

[0037] Furthermore, if Figure 2 and Figure 5 As shown, the planetary rolling mill continuous winding device of the utility model also includes two symmetrically arranged locking mechanisms 3, one of which is located between the two cross beams 22 of the first winding unit 1, and the other is located between the two cross beams 22 of the second winding unit 2. The locking mechanism 3 is arranged to further control the moving stroke of the movable arm 242. When the movable guide rails 241 of the two winding units are in relative connection, the position of the movable arm 242 is locked by the locking mechanism 3, thereby controlling the position of the movable guide rail 241, which together with the arrangement of the guide block 246 and the guide shaft 247 plays a double insurance role.

[0038] Specifically, each locking mechanism 3 includes a second driving member 31, a connecting portion 32 fixedly connected to the second driving member 31, a second connecting rod 33 rotatably connected to both ends of the connecting portion 32, and a locking pin 34 rotatably connected to each second connecting rod 33. In addition, the fixed block 245 of each telescopic mechanism 24 is provided with a locking hole 2451 for inserting the locking pin 34, and the locking hole 2451 runs through the width direction of the fixed block 245. The second driving member 31 of this embodiment is also configured as a cylinder, including a cylinder body and a piston rod. One end of the piston rod of the second driving member 31 is fixedly connected to the connecting portion 32. The piston rod is driven to extend and retract through the cylinder body, thereby driving the connecting portion 32 to extend and retract, and then the locking pin 34 is driven to insert and / or disengage from the locking hole 2451 in the fixed block 245 through the second connecting rod 33. When the first winding unit 1 and the second winding unit 2 are in a disconnected state, the piston rod of the second driving member 31 retracts, and the locking pins 34 at both ends of the connecting part 32 are located outside the locking hole 2451; when the first winding unit 1 and the second winding unit 2 are in a docking state, the piston rod of the second driving member 31 extends, and the locking pins 34 at both ends of the connecting part 32 are inserted into the locking hole 2451, limiting the movement of the fixed block 245, and further limiting the movement of the movable arm 242 and the movable guide rail 241, thereby ensuring the stability and safety of the connection of the movable guide rail 241 when the first winding unit 1 and the second winding unit 2 are in a docking state.

[0039] In this embodiment, when installing the telescopic mechanism 24 in the accommodating cavity 221 inside the crossbeam 22, a through opening can be opened on the bottom surface of the crossbeam 22, and after the telescopic mechanism 24 is placed into the accommodating cavity 221 through the through opening, the through opening can be covered.

[0040] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with this technology to understand the content of the utility model and implement it accordingly. They cannot be used to limit the protection scope of the utility model. All equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A planetary rolling mill continuous winding device, comprising a first winding unit and a second winding unit, wherein the first winding unit and the second winding unit are arranged opposite to each other, and the first winding unit and the second winding unit both comprise a beam extending in a horizontal direction; It is characterized in that The first winding unit and the second winding unit also include telescopic mechanisms, and one telescopic mechanism is arranged inside each of the crossbeams. The telescopic mechanism includes a movable guide rail, and the movable guide rail can move in the horizontal and vertical directions, so that the first winding unit and the second winding unit have a docking state and a disconnected state. When the first winding unit and the second winding unit are in the docking state, the movable guide rails of the telescopic mechanisms of the first winding unit and the second winding unit are docked and the top surface of the movable guide rail is flush with the top surface of the crossbeam; when the first winding unit and the second winding unit are in the disconnected state, the movable guide rails of the telescopic mechanisms of the first winding unit and the second winding unit are disconnected and the movable guide rails are located below the top surface of the crossbeam.

2. The planetary rolling mill continuous winding device according to claim 1, characterized in that: The first winding unit and the second winding unit are both provided with a support frame and two mutually parallel beams, one end of the beam is fixedly connected to the support frame, and all the beams are distributed on the same horizontal plane; each beam has a accommodating cavity inside, and a through opening is opened at one end of the beam, and the accommodating cavity is connected with the through opening, and the accommodating cavity is used to accommodate the telescopic mechanism, and a telescopic mechanism of the first winding unit and a telescopic mechanism of the second winding unit located in the same horizontal direction are symmetrically arranged.

3. The planetary rolling mill continuous winding device according to claim 2, characterized in that: Each of the telescopic mechanisms includes a first driving member, a moving arm, a first connecting rod for connecting the moving arm and a movable guide rail, and a fixed block fixedly connected to the moving arm. The first driving member is used to drive the fixed block to move along the length extension direction of the beam. The moving arm of each telescopic mechanism is arranged corresponding to one of the movable guide rails. The moving arm is located below the corresponding movable guide rail. The top surface of the fixed block is in contact with the top surface of the inner wall of the beam, and the bottom surface of the fixed block is in contact with the bottom surface of the inner wall of the beam.

4. The planetary rolling mill continuous winding device according to claim 3, characterized in that: At least two first connecting rods are provided for connecting one of the movable guide rails and the corresponding movable arm, and the two ends of the connecting rods are rotatably connected to the movable guide rail and the movable arm respectively.

5. The planetary rolling mill continuous winding device according to claim 3, characterized in that: Each of the telescopic mechanisms also includes a guide block fixedly arranged at one end of the beam away from the support frame, the guide block is located in the accommodating cavity, the guide block is provided with a guide groove, the guide groove is arranged from one side of the guide block close to the first driving member upward and toward the other side, and the guide groove runs through the thickness direction of the guide block.

6. The planetary rolling mill continuous winding device according to claim 5, characterized in that: A guide shaft is fixedly disposed on one end of the movable guide rail close to the first driving member, and the guide groove is used for the guide shaft to slide.

7. The planetary rolling mill continuous winding device according to claim 3, characterized in that: It also includes two symmetrically arranged locking mechanisms, one locking mechanism is located between the two beams of the first winding unit, and the other locking mechanism is located between the two beams of the second winding unit, each of the locking mechanisms includes a second driving member, a connecting part fixedly connected to the second driving member, a second connecting rod rotatably connected to both ends of the connecting part, and a locking pin rotatably connected to each of the second connecting rods.

8. The planetary rolling mill continuous winding device according to claim 7, characterized in that: Each of the fixed blocks is provided with a locking hole for inserting the locking pin, and the locking hole runs through the width direction of the fixed block. The second driving member is used to drive the locking pin to insert into and / or disengage from the locking hole. When the first winding unit and the second winding unit are in the docking state, the locking pin is inserted into the locking hole; when the first winding unit and the second winding unit are in the disconnected state, the locking pin is located outside the locking hole.

9. The planetary rolling mill continuous winding device according to claim 3, characterized in that: A protrusion is provided at the end of one of the two movable guide rails located in the same horizontal direction, and a groove is provided at the end of the other of the two movable guide rails located in the same horizontal direction. When the first winding unit and the second winding unit are in the docking state, the protrusion is inserted into the groove.

10. The planetary rolling mill continuous winding device according to claim 1, characterized in that: When the first winding unit and the second winding unit are in the disconnected state, a distance between a crossbeam of the first winding unit and a crossbeam of the second winding unit is greater than or equal to 1 m.

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