Steel plate centering equipment and steel plate conveying line

Abstract

The utility model discloses steel plate centering equipment and a steel plate conveying line, and relates to the technical field of steel plate conveying. The device specifically comprises a main beam, a flexible piece and a pair of guiding pieces, and the flexible piece is connected to the main beam in a reciprocating mode along a preset track; the pair of guiding pieces are arranged at the two ends of the main beam respectively and connected with the flexible piece, each guiding piece comprises a guiding seat and a centering mechanism, and the guiding seats are connected with the flexible piece; the centering mechanism is connected with the guide seat and comprises a pushing wheel, a main shaft and a sensing device, and the guide piece is used for lowering the moving speed of the flexible piece according to the contact of a shaft body of the guide piece and the sensing device. The sensing device obtains the compression degree of the pushing wheel in real time, it is ensured that the pushing wheel moves slowly in the pushing process, the problem that the steel plate deforms after being stressed for a long time is avoided, the sensing device can trigger and stop the flexible part at the limiting position of the shaft body, it is ensured that the steel plate stops after being located at the center position, and the centering precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel plate conveying, and particularly relates to a steel plate centering device and a steel plate conveying line. Background Art

[0002] A steel plate centering device is a device used to adjust a steel plate to a specified center position during the processing or conveying of the steel plate. It is usually installed on a steel plate conveying line and, through mechanical or electrical control means, keeps the steel plate centered during conveying.

[0003] In the prior art, to ensure that the steel plate is in the centered position on the roller path during conveying, a combination of a push head and a hydraulic cylinder is often used, that is, the hydraulic cylinder drives the push head to approach the side of the steel plate, the push head squeezes one side of the steel plate, prompting the steel plate to adjust its orientation on the roller path, and finally relying on a positioning plate or a push head on the other side to achieve the centering alignment of the steel plate. The above-mentioned hydraulic cylinder method can also be replaced by a transmission method such as a chain.

[0004] For the above scheme, through the centering method of the combination of the push head and the hydraulic cylinder, although it can achieve the centering adjustment of the steel plate conveying, the synchronous performance of driving by multiple motors or hydraulic cylinders is poor, which easily causes uneven stress on the steel plate during centering and results in bending deformation, and the extrusion of the push plates on both sides of the steel plate will also affect the centering accuracy of the steel plate due to the non-synchronization of the driving devices on both sides of the steel plate. Summary of the Utility Model

[0005] The main purpose of the utility model is to provide a steel plate centering device and a steel plate conveying line, aiming to optimize the centering mechanism of the steel plate, reduce the bending deformation during steel plate centering, and improve the centering accuracy of the steel plate.

[0006] To achieve the above purpose, the utility model proposes a steel plate centering device and a steel plate conveying line, including:

[0007] A main beam;

[0008] A flexible member, reciprocally connected to the main beam along a predetermined trajectory;

[0009] A pair of guiding members, respectively placed at both ends of the main beam and connected to the flexible member. Each guiding member includes:

[0010] A guiding seat, connected to the flexible member;

[0011] A centering mechanism, connected to the guiding seat, which includes a pushing wheel, a main shaft, and an induction device. The main shaft slides in the guiding seat, one end of which is connected to the pushing wheel, and the induction device is connected to the guiding seat and is located at the end of the main shaft away from the pushing wheel;

[0012] The guiding member adjusts the moving speed of the flexible member according to the contact between its shaft body and the induction device.

[0013] Furthermore, the sensing device has at least one trigger rod, the shaft body includes a guide shaft, the guide shaft is slidably connected to the guide seat and connected to the pushing wheel, and one end of the guide shaft away from the pushing wheel contacts the trigger rod.

[0014] Furthermore, one end of the guide shaft close to the trigger rod is connected to a sensing sheet, and the sensing sheet has an inclined surface contacting the trigger rod.

[0015] Furthermore, gaps are arranged at two ends of the flexible member on different transmission paths, and the guide seat fills and is connected to the gaps of the flexible member.

[0016] Furthermore, the guide seat includes a pair of side plates and rollers, the pair of side plates are respectively connected to two ends of the notch of the flexible member, and the roller is arranged between the pair of side plates and connected to the main beam.

[0017] Furthermore, at least one of the guide seats is provided with an adjustment mechanism, and the adjustment mechanism is capable of tensioning the flexible member.

[0018] Furthermore, the adjustment mechanism includes a threaded rod connected between a pair of side plates.

[0019] Furthermore, the main beam includes a first guide rail and a second guide rail connected to each other, the second guide rail is parallel to the transmission direction of the flexible member, the plate surface of the first guide rail is perpendicular to the plate surface of the second guide rail, the first guide rail carries the roller, and the second guide rail carries part of the flexible member.

[0020] Furthermore, the guide seat is provided with a blocking member along one side or both sides of the first guide rail, and the blocking member is foldable, and when a pair of the guide seats are close to each other, the blocking member is unfolded and blocks the first guide rail.

[0021] The present application also discloses a steel plate conveyor line, on which one or more of the above-mentioned steel plate centering devices are installed.

[0022] The above technical solution has the following advantages:

[0023] The utility model adopts a flexible part to drive the movement of the centering device, and the centering device adopts a pushing wheel to drive the steel plate to be squeezed. During the squeezing process, the sensing device obtains the pressure position of the pushing wheel in real time to ensure that the pushing wheel moves slowly during the pushing process and stops in time after centering, thereby avoiding the problem of deformation of the steel plate after long-term stress, and also improves the efficiency of steel plate centering. Even if the driving devices on both sides are not synchronized, when the squeezing wheels on both sides jointly squeeze the steel plate, the sensing device can also trigger and stop the flexible part at the extreme position of the shaft to ensure that the steel plate stops after being in the center position, thereby improving the centering accuracy. Brief Description of the Drawings

[0024] The following will describe the present utility model in detail with reference to specific embodiments and the drawings, where:

[0025] Figure 1 is a schematic structural diagram of the present utility model;

[0026] Figure 2 is a schematic structural diagram of the present utility model with the blocking member removed;

[0027] Figure 3 is a schematic structural diagram of the flexible member of the present utility model;

[0028] Figure 4 is a structural diagram of the centering mechanism of the present utility model;

[0029] Figure 5 is an internal schematic diagram of the centering mechanism of the present utility model;

[0030] Figure 6 of the present utility model Figure 5 is an enlarged structural diagram of part A;

[0031] Figure 7 is a partial structural schematic diagram of one end of the present utility model;

[0032] Figure 8 is a partial structural schematic diagram of the other end of the present utility model.

[0033] In the figure: 1, main beam; 11, first guide rail; 12, second guide rail; 2, flexible member; 3, guiding member; 31, guiding seat; 311, side plate; 312, roller; 313, elastic member; 314, threaded rod; 32, centering mechanism; 321, baffle; 322, pushing wheel; 323, protective cover; 324, elastic element; 325, sensing device; 325a, limit switch one; 325b, limit switch two; 3251, triggering rod; 326, main shaft; 327, guiding shaft; 327a, shaft body one; 327b, shaft body two; 328, sensing piece; 4, blocking member; 5, driving member; 51, guiding wheel. Detailed Embodiments

[0034] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the following will describe the present utility model in detail with reference to the drawings and embodiments. It should be understood that the following specific embodiments are only used to explain the present utility model and do not constitute a limitation to the present utility model.

[0035] As Figures 1 - 6As shown in the figure, a steel plate centering device and a steel plate conveying line include a main beam 1, a flexible member 2, and a pair of guiding members 3. The flexible member 2 is reciprocally connected to the main beam 1 along a predetermined trajectory. The pair of guiding members 3 are respectively disposed at both ends of the main beam 1 and are connected to the flexible member 2. Each guiding member 3 includes a guiding seat 31 and a centering mechanism 32. The guiding seat 31 is connected to the flexible member 2. The centering mechanism 32 is connected to the guiding seat 31 and includes a pushing wheel 322, a main shaft 326, and an induction device 325. The main shaft 326 slides in the guiding seat 31, one end of which is connected to the pushing wheel 322, and the induction device 325 is connected to the guiding seat 31 and is located at the end of the main shaft 326 away from the pushing wheel 322. The guiding member 3 adjusts the moving speed of the flexible member 2 according to the contact between its shaft body and the induction device 325. Among them, the guiding seats 31 of the pair of guiding members 3 are respectively connected to both ends of the flexible member 2 and are connected to different transmission paths of the flexible member 2. The main beam 1 is used to support and install the flexible member 2 and can also support and limit the guiding seat 31. Different transmission paths refer to different directions of the flexible member 2 for conveying, that is, the upper half and the lower half of the flexible member 2. The two guiding seats 31 are respectively installed on the upper half and the lower half of the flexible member 2. The flexible member 2 rotates forward and backward along a predetermined trajectory on the main beam 1, driving the two guiding members 3 to approach or move away from each other in turn, and the steel plate moves towards the middle in sequence. In addition, each guiding member 3 can also be driven by a separate flexible member 2. As long as the two flexible members 2 on the main beam 1 are triggered simultaneously, the pushing wheels 322 can approach or move away from each other.

[0036] Specifically, the centering mechanism 32 is used to clamp and position the steel plate passing between the two pushing wheels 322 towards the center point to ensure that the steel plate is always in the center position during the conveying process. The pushing wheels 322 are vertically arranged, preferably two groups of cylinders. The centering mechanism 32 includes a baffle 321 and a protective cover 323 installed on the guiding seat 31. The pushing wheels 322 penetrate through the baffle 321 and protrude from the baffle 321 to facilitate the pushing wheels 322 to squeeze towards the side of the steel plate. The protective cover 323 is located on the back of the baffle 321. The baffle 321 can prevent the steel plate from contacting the protective cover 323. The inside of the protective cover 323 is used to place the induction device 325. The induction device 325 is placed at the bottom of the protective cover 323 or can also be selected on the side wall of the protective cover 323. This position can be freely adjusted. The induction device 325 can select components such as a trigger switch, a sensor, specifically such as a mechanical trigger, an infrared detection module, and can be freely selected specifically.

[0037] As Figure 5 and Figure 6As shown, the induction device 325 preferably adopts a mechanical trigger. As an implementation manner of the present application, the induction device 325 at least has a trigger rod 3251. The shaft body includes a guide shaft 327 and also includes a main shaft 326. The guide shaft 327 is slidably connected to the guide seat 31 and is connected to the pushing wheel 322. Preferably, one end of the guide shaft 327 away from the pushing wheel 322 contacts the trigger rod 3251. When the pushing wheel 322 contacts the side wall of the steel plate, both the guide shaft 327 and the main shaft 326 move towards the inside of the protective cover 323. One end of the guide shaft 327 gradually contacts the induction device 325 to trigger the induction device 325. When the induction device 325 is triggered, the transmission speed of the flexible member 2 can be adjusted and reduced, avoiding the transmission speed of the flexible member 2 being too fast, resulting in too large a squeezing force of the pushing wheel 322 on the side of the steel plate, causing the steel plate to deform and simultaneously generating a centering error.

[0038] As Figure 5 and Figure 6As shown, as an implementation mode of the present application, one end of the guiding shaft 327 close to the trigger rod 3251 is connected with an induction piece 328, and the induction piece 328 has an inclined surface that contacts the trigger rod 3251. Multiple trigger rods 3251 can be adopted. When the induction piece 328 contacts the trigger rod 3251, the inclined surface of the induction piece 328 first contacts one of the trigger rods 3251, prompting the trigger rod 3251 to rotate to ensure that the induction device 325 receives information, that is, the induction device 325 receives the information that the pushing wheel 322 on one side contacts the steel plate, so as to slowly adjust the centering speed of the steel plate, indicating that the steel plate at this stage is in the centering process. In the present application, two groups of induction devices 325 are provided, namely limit switch one 325a and limit switch two 325b, and the limit switch one 325a and the limit switch two 325b respectively correspond to the number of guiding shafts 327. That is, the guiding shaft 327 is divided into shaft body one 327a and shaft body two 327b. Both the shaft body one 327a and the shaft body two 327b are respectively corresponding to the limit switch one 325a and the limit switch two 325b through the induction piece 328. The limit switch one 325a and the limit switch two 325b can be adjusted along the axis direction of the main shaft 326. For example, the limit switch one 325a is arranged at the front part, and the limit switch two 325b is arranged at the rear part, which is convenient for detecting the distance that the main shaft 326 extends into the protective cover 323 and performing different operations. For example, when the induction piece 328 of the shaft body one 327a contacts the limit switch one 325a, the moving speed of the flexible part 2 is reduced at this time. When the induction piece 328 of the shaft body two 327b contacts the limit switch two 325b, it indicates that the pushing wheels 322 on both sides have completed the centering of the steel plate. At this time, the flexible part 2 stops or flips and no longer drives the pushing wheels 322 on both sides to move towards the middle, completing the centering adjustment of the steel plate. This process can automatically adjust the width of the unknown steel plate and automatically stop centering the steel plate, without worrying about problems such as deformation of the steel plate caused by excessive extrusion force, and at the same time, it can also ensure the centering accuracy of the steel plate.

[0039] As Figure 3 and Figure 5 As shown, in the present application, since a single flexible part 2 is used to drive the pushing wheels 322 at both ends to move synchronously towards the steel plate, when one of the limit switches one 325a is triggered, the single flexible part 2 gradually starts to drive slowly, driving the pushing wheels 322 at both ends to slowly contact the steel plate until both limit switches two 325b receive signals at the same time, and then the driving of the flexible part 2 can be stopped; to ensure the subsequent continuous centering work of the steel plate, an elastic element 324, such as a shrapnel or a spring, is arranged between the pushing wheel 322 and the protective cover 323 to ensure that after the steel plate is centered, the elastic element 324 can drive the pushing wheel 322 to extend outwards from the baffle 321, which is convenient for playing a reset role.

[0040] The flexible member 2 can adopt solutions such as belt drive, chain drive or rope drive, etc., and can be specifically selected according to those skilled in the art. In this application, chain drive is preferably used to implement, and the specific solution is as follows:

[0041] As Figure 3 , Figure 7 and Figure 8 shown, the two guide seats 31 are directly installed at both ends of the belt, chain or rope, and are at different heights. When the belt, chain or rope is transmitted in one direction, the two guide seats 31 can be driven to approach each other. When turning to the other direction for transmission, the two guide seats 31 move away from each other to ensure the synchronization of centering; in addition, notches are provided on different transmission paths at both ends of the flexible member 2, and the guide seats 31 fill and connect the notches of the flexible member 2. The guide seats 31 slide on the main beam 1. The guide seats 31 can serve as additional support points to help disperse the load on the flexible member 2, thereby improving the load-bearing capacity of the flexible member 2, more precisely controlling the running trajectory of the flexible member 2, and can more precisely control the running trajectory of the flexible member 2. When the flexible member 2 runs, it absorbs part of the vibration energy, thereby reducing the noise level of the overall transmission system.

[0042] As Figure 7 and Figure 8 shown, the guide seat 31 can be directly installed at the notch of the flexible member 2 by using a fixed frame body, and only this frame body needs to be able to provide a support point; in this application, it is preferred that the guide seat 31 includes a pair of side plates 311 and rollers 312. A pair of side plates 311 are respectively connected to both ends of the notch of the flexible member 2 for connecting the notch part of the flexible member 2. The rollers 312 are arranged between the pair of side plates 311 and are connected to the main beam 1. The two side plates 311 are respectively installed at the corresponding ends of the notch of the flexible member 2, and the rollers 312 are assembled between the two side plates 311, and the rollers 312 are symmetrically distributed with respect to the main beam 1, so that the rollers 312 roll friction with the main beam 1 to reduce the friction force.

[0043] Specifically, one pair of side plates 311 is placed in the lower half of the flexible member 2, and the other pair of side plates 311 is placed in the upper half of the flexible member 2. The pair of side plates 311 in the upper half are horizontally arranged, and both ends extend and are connected to the frame body where the rollers 312 are located; the pair of side plates 311 in the lower half are arranged in a U shape, the middle part of which avoids the flexible member 2 in the upper half, and both ends extend from both sides of the flexible member 2 in the upper half and are connected to the frame body where its rollers 312 are located.

[0044] As Figure 4 , Figure 5 and Figure 7As shown, at least one guide seat 31 is provided with an adjustment mechanism, which can tension the flexible member 2. The adjustment mechanism can be provided on one of the guide seats 31, or on two guide seats 31, and can be selected according to the length of the flexible member 2. In this application, the adjustment mechanism is preferably provided on only a single guide seat 31, as follows:

[0045] like Figure 7 As shown, in order to ensure the tensioning effect of the flexible member 2, the adjusting mechanism can be adjusted by a combination of a ratchet and a ratchet, or a tensioning wheel and a rope to adjust the distance between the two side plates 311. The preferred adjusting mechanism of the present application includes a threaded rod 314 connected between a pair of side plates 311, and the threaded rod 314 is threadedly driven between the two side plates 311. By rotating the threaded rod 314, the threaded rod 314 tensions a pair of side plates 311, so that the pair of side plates 311 tension the flexible member 2, ensuring that the flexible member 2 can maintain a tensioned state; the present application sets the adjusting mechanism in the notch of the flexible member 2, and cooperates with the guide seat 31 to improve the simplicity of the structure.

[0046] Specifically, an elastic member 313 is provided at the connection between the flexible member 2 and the side plate 311. One end of the flexible member 2 is mounted on the side plate 311 through a guide rod, and the elastic member 313 is sleeved on the outside of the guide rod, so that the elastic member 313 can sense the tension change of the chain in real time and automatically adjust. The elastic member 313 can be a spring, a disc spring, etc. When the guide column contacts and collides with the plate body, the elastic member 313 can provide elastic force to ensure that the flexible member 2 can play a buffering effect when in contact, and reduce the impact loss of the guide seat 31 on the flexible member 2 as much as possible, avoiding the use of the original screw structure. The elastic force of the elastic member 313 can be adjusted according to actual needs to ensure that the flexible member 2 can maintain the best tension state under different working conditions and extend its service life. The design of the adjustment mechanism not only simplifies the structure, but also improves the adjustment efficiency and accuracy, making the entire device more stable and reliable during operation.

[0047] like Figure 7 and Figure 8 As shown, the present application increases the width of the flexible member 2 to increase the contact area between the chain and the sprocket, so that the chain can better distribute tension during operation. By increasing the contact area, chain wear is effectively reduced, service life is extended, and transmission efficiency is improved, ensuring that the device remains stable during high-speed operation, reducing maintenance frequency, and reducing operating costs.

[0048] Guide wheels 51 are installed at both ends of the main beam 1. The guide wheels 51 are selected according to the different flexible members 2 used. For example, in this application, the flexible member 2 uses a chain, so the guide wheels 51 adopt the form of sprockets. The sprockets are rotatably arranged at one end of the main beam 1, and a driving member 5 is installed at one end of the main beam 1. The driving member 5 drives the sprocket to rotate to realize the cyclic movement of the chain. The driving member 5 selects a high-efficiency motor, such as a servo motor, to ensure stable power output, reduce energy consumption. The precise cooperation between the sprocket and the chain further optimizes the transmission efficiency, reduces noise, improves the overall running stability, extends the service life of the equipment, and reduces the maintenance cost.

[0049] As Figure 7 and Figure 8 As shown in the figure, the main beam 1 includes a connected first guide rail 11 and a second guide rail 12. The second guide rail 12 is parallel to the transmission direction of the flexible member 2. The plate surface of the first guide rail 11 is perpendicular to the plate surface of the second guide rail 12. The first guide rail 11 bears the rollers 312, and the second guide rail 12 bears part of the flexible member 2. Among them, the second guide rail 12 is on different transmission paths of the flexible member 2, that is, the second guide rail 12 is divided into upper and lower parts, which can respectively contact the upper and lower parts of the corresponding flexible member 2. The flexible member 2 in the upper half falls on the second guide rail 12 in the upper half due to gravity, so as to play a guiding and supporting role for the flexible member 2. At the same time, the guide seat 31 in the upper half also rests on the second guide rail 12 in the upper half to improve its supporting ability; the middle part of the side plate 311 in the lower half rests on the second guide rail 12 in the lower half and is slidably arranged along the second guide rail 12 in the lower half; both ends of the side plate 311 are connected with rollers 312 with frames, and the rollers 312 roll on the groove body of the first guide rail 11 to ensure the stability of the adjustment of the guide seat 31.

[0050] As Figure 1 、 Figure 7 and Figure 8As shown, the guide seat 31 is provided with a blocking member 4 along one or both sides of the first guide rail 11, and the blocking member 4 is foldable, and when a pair of guide seats 31 are close to each other, the blocking member 4 unfolds and blocks the first guide rail 11. The blocking member 4 can block the groove of the first guide rail 11, prevent foreign objects from entering, and ensure that the guide seat 31 slides smoothly. At the same time, the design of the blocking member 4 enables it to be folded and stored when it is not in working state, saving space and improving the compactness and aesthetics of the overall device. The blocking member 4 can adopt structures such as accordion cover and chain protection curtain, and the material and form are selected according to actual needs to ensure that it can effectively protect in different environments. The folding and unfolding mechanism of the blocking member 4 is exquisitely designed and easy to operate, which further improves the practicality and user experience of the device. The blocking member 4 of the present application is preferably installed on both sides of the guide seat 31, connected by a hinge, when the guide seat 31 is centered on the main beam 1, the blocking member 4 automatically unfolds to cover the guide rail to ensure safety; when the guide seat 31 moves to the edge, the blocking member 4 is folded and retracted, which is convenient to operate and optimizes space utilization. In addition, the surface of the blocking member 4 is coated with a wear-resistant coating to enhance its durability and meet the needs of frequent folding and unfolding.

[0051] A steel plate conveyor line is provided with one or more steel plate centering devices, wherein a pushing wheel 322 is located between two rollers of the conveyor line, and may also be higher than the rollers of the conveyor line. On the steel plate conveyor line, since the truck directly places the steel plate on the conveyor roller, the width of the steel plate is unknown, and only the driving member 5 is required to drive the flexible member 2 for transmission, and the flexible member 2 drives the pushing wheel 322 of the centering device to squeeze toward the side of the steel plate, so that the steel plate gradually moves to the middle position of the conveyor roller. During the process, the pushing wheel 322 is pressed to drive the main shaft 326 and the guide shaft 327 to move into the protective cover 323, and the induction sheet 328 of the shaft body 327a and the trigger rod 325a of the limit switch 325a are connected. 251 contacts, thereby sending the signal to an external controller, such as a PLC, and after processing, controlling the driving member 5, thereby reducing the rotation speed of the driving member 5, thereby reducing the transmission rate of the flexible member 2, ensuring that the pushing wheel 322 slowly centers the steel plate, until the sensing piece 328 of the shaft body 327b contacts the trigger rod 3251 of the limit switch 2 325b, which indicates that the steel plate has been centered, and the limit switches 2 325b on both sides send signals to the external controller, and after processing, turn off the driving member 5 or adjust the driving member 5 in the reverse direction, ensuring that the steel plate is in the center position on the conveying roller, and the steel plate only needs to overcome the force of the elastic element 324 and will not be excessively squeezed and deformed.

[0052] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A steel plate centering device, characterized in that, Comprising: Main beam (1); Flexible member (2), reciprocally connected to the main beam (1) along a predetermined trajectory; A pair of guiding members (3), respectively disposed at both ends of the main beam (1) and connected to the flexible member (2), each guiding member (3) includes: Guiding seat (31), connected to the flexible member (2); Centering mechanism (32), connected to the guiding seat (31), which includes a pushing wheel (322), a main shaft (326) and an induction device (325), the main shaft (326) slides in the guiding seat (31), one end of which is connected to the pushing wheel (322), and the induction device (325) is connected to the guiding seat (31) and is located at the end of the main shaft (326) away from the pushing wheel (322); The guiding member (3) adjusts the moving speed of the flexible member (2) according to the contact between its shaft body and the induction device (325).

2. The steel plate centering device according to claim 1, characterized in that, The induction device (325) at least has a trigger rod (3251), the shaft body includes a guiding shaft (327), the guiding shaft (327) is slidably connected to the guiding seat (31) and is connected to the pushing wheel (322), and the end of the guiding shaft (327) away from the pushing wheel (322) contacts the trigger rod (3251).

3. The steel plate centering device according to claim 2, characterized in that, An induction piece (328) is connected to the end of the guiding shaft (327) close to the trigger rod (3251), and the induction piece (328) has an inclined surface contacting the trigger rod (3251).

4. The steel plate centering device according to claim 1, characterized in that Notches are provided at both ends of the flexible member (2) on different transmission paths, and the guiding seat (31) fills and connects to the notches of the flexible member (2).

5. The steel plate centering device according to claim 1, characterized in that, The guiding seat (31) includes a pair of side plates (311) and rollers (312), a pair of the side plates (311) are respectively connected to both ends of the notch of the flexible member (2), and the rollers (312) are arranged between the pair of side plates (311) and are connected to the main beam (1).

6. The steel plate centering device according to claim 5, characterized in that, An adjusting mechanism is provided at at least one of the guiding seats (31), and the adjusting mechanism can tension the flexible member (2).

7. The steel plate centering device according to claim 6, characterized in that, The adjusting mechanism includes a threaded rod (314) connected between the pair of side plates (311).

8. The steel plate centering device according to claim 5, characterized in that, The main beam (1) includes a first guide rail (11) and a second guide rail (12) connected to each other, the second guide rail (12) is parallel to the transmission direction of the flexible member (2), the plate surface of the first guide rail (11) is perpendicular to the plate surface of the second guide rail (12), the first guide rail (11) bears the rollers (312), and the second guide rail (12) bears a part of the flexible member (2).

9. The steel plate centering device according to claim 8, characterized in that, Blocking members (4) are arranged on one side or both sides of the guiding seat (31) along the first guide rail (11), the blocking members (4) are foldable, and when the pair of guiding seats (31) approach each other, the blocking members (4) unfold and block the first guide rail (11).

10. A steel plate conveyor line, characterized in that, One or more steel plate centering devices as described in any one of claims 1-9 are installed on this conveyor line.

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