Rapid direction-changing moving device for steel billets

Abstract

The invention relates to the technical field of conveying and transferring devices, in particular to a steel billet rapid turning and moving device which comprises a groove bed, a correcting mechanism, a transmission assembly, a driving shaft and a limiting assembly. A slope plate is installed on the inner bottom face of the groove bed, the groove bed is used for guiding a steel billet to roll, and the correcting mechanism is installed at one end of the groove bed and comprises a synchronous shaft; the synchronizing shaft is rotationally installed on the groove bed, the correcting frames are fixedly installed at the two ends of the synchronizing shaft, and each correcting frame comprises four supporting foot parts. According to the round steel straightening device, through the arrangement of the groove bed and the straightening mechanism, when round steel rolls on the slope plate to make contact with the two straightening frames, the straightening frames rotate by a quarter of a circle, and when the straightening frames rotate, the two straightening frames are matched to lift the round steel, so that the round steel is parallel to the groove bed again, and the rolling direction of the round steel is straightened; and meanwhile, the gravitational potential energy of the round steel is recovered, the round steel conveniently rolls on the next section of upslope plate under the action of gravity, and the round steel is conveniently conveyed.

Description

Technical Field

[0001] The present invention relates to the technical field of conveying and transferring devices, in particular to a device for rapidly changing the direction of a steel billet. Background Art

[0002] After hot forging, the billet needs to be cooled. In addition to natural cooling, a commonly used cooling method is to transport the high-temperature billet to a cooling pool for water cooling or oil cooling. Common billet shapes can be roughly divided into strips (blocks), cylinders and balls. Among them, strips can be directly transported by metal conveyor belts, while spherical billets are generally directly transported by channels, and the steel balls roll on the channels. When transporting round steel, metal conveyor belts are not very applicable, especially for curved or broken line conveying. The reason is that when conveying broken line, it is generally formed by connecting multiple metal conveyor belts. One way to deal with the bends is : One end of a conveyor belt is located above the other conveyor belt, which makes the conveyor belt in a climbing state during transportation. Round steel is easy to roll on the inclined conveyor belt. Although a protruding structure can be set on the conveyor belt to limit the round steel, these protruding structures can easily cause dents to form on the surface of the round steel when the round steel falls. Second, multiple conveyor belts are on the same plane or in a continuous state, which makes it possible to form an unpowered triangular area at the bend, causing the round steel to easily stay in the area between the two conveyor belts, causing blockage. In this regard, a steel billet rapid change of direction moving device is proposed to be suitable for the transportation of round steel. Summary of the Invention

[0003] The purpose of the present invention is to provide a device for rapidly changing the direction of a steel billet to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A device for rapidly changing the direction of a steel billet, comprising

[0006] A grooved bed, the inner bottom surface of which is provided with a ramp plate, and the grooved bed is used to guide the rolling of the steel billet;

[0007] A correction mechanism is installed at one end of the slotted bed, and the correction mechanism includes a synchronous shaft, which is rotatably installed on the slotted bed. Correction frames are fixedly installed at both ends of the synchronous shaft. The correction frame includes four supporting legs, two of which are used to adjust the direction of the round steel billet and lift the steel billet. A paddle is rotatably installed on one side of the top of the supporting leg. Emptying slots are provided at positions on the slotted bed corresponding to the two synchronous shafts.

[0008] Transmission assembly, used to drive the synchronous shaft to rotate;

[0009] A drive shaft is installed on one side of the grooved bed, the drive shaft is in transmission connection with the transmission assembly, and the drive shaft is used for transmission connection with an external motor;

[0010] The limit assembly is installed on the correction frame. The dial plate triggers the transmission assembly through the limit assembly to drive the synchronous shaft to rotate a quarter of a turn. The dial plate and the limit assembly are connected in a transmission manner, and the driving relationship between the dial plate and the limit assembly is adjustable.

[0011] Furthermore, one end of the trough bed is provided with a docking portion, and the shape of the other end of the trough bed matches the docking portion.

[0012] Furthermore, the transmission assembly includes an outer protective box, a transmission shaft, a limit plate and an intermittent frame. The outer protective box is fixedly installed at one side of one end of the trough bed, the transmission shaft is rotatably installed on the outer protective box, the transmission shaft and the drive shaft are transmitted in connection, the limit plate is rotatably installed on the outer protective box, the intermittent frame is fixedly sleeved on one end of the synchronization shaft, a toggle rod is fixedly installed on one side of the limit plate, the limit plate and the toggle rod rotate one circle to drive the intermittent frame to rotate a quarter circle, a torsion spring is arranged between the transmission shaft and the limit plate, one end of the toggle spring is fixedly connected to the toggle rod, a transmission module is installed between the other end of the torsion spring and the transmission shaft, and the limit assembly is used to limit the rotation of the toggle rod.

[0013] Furthermore, the transmission module includes an inner sleeve and an outer sleeve, one end of the transmission shaft is rotatably sleeved with a core rod, the outer sleeve is slidably sleeved on the core rod, the other end of the torsion spring is fixedly connected to the core rod, the outer wall of the inner sleeve is provided with a spiral groove, the outer sleeve and the inner sleeve are screwed together, one end of the transmission shaft is fixedly installed with a helical gear 1, one end of the outer sleeve is fixedly installed with a helical gear 2, and the helical gear 2 is meshed with the helical gear 1.

[0014] Furthermore, the drive shaft includes circular shaft one, circular shaft two and circular shaft three, the circular shaft one is rotatably mounted on the outer protective box and the ramp plate, the circular shaft two is connected to circular shaft one and circular shaft three by universal joints, one end of the circular shaft one and circular shaft three is provided with a flange, the length of the circular shaft two is adjustable, a worm is fixedly sleeved on the circular shaft one, a worm wheel is fixedly sleeved on the transmission shaft, and the worm wheel is engaged with the worm.

[0015] Furthermore, the limit assembly includes a connecting frame and a support frame, the support frame is fixedly installed on the groove bed, the bottom end of the support frame is slidably plugged into the connecting frame, one end of the connecting frame is fixedly connected to the limit rod, one end of the limit rod is slidably inserted into the interior of the outer protective box, the other end of the connecting frame is movably connected to the synchronization shaft, and the shift plate can pull the connecting frame.

[0016] Furthermore, inner cavities are opened at positions corresponding to the multiple support legs in the correction frame, a movable tube is provided on one side of the correction frame, the movable tube is slidably sleeved with the synchronization shaft, a fixed disk is installed on the movable tube, one end of the shift plate is fixedly connected to a pull rope, one end of the pull rope passes through the correction frame and is fixedly connected to the fixed disk on the adjacent side, and the movable tube is connected to the connecting frame.

[0017] Furthermore, a groove is provided on the outer wall of the synchronization shaft, a connecting rod is fixedly connected between the two movable tubes, the connecting rod is slidably set in the groove, and is rotatably connected between a limit rod close to the connecting frame, a fixing seat is fixedly installed on the bottom surface of the groove bed, a tension spring is fixedly connected between the fixing seat and the connecting frame, and the synchronization shaft and the fixing seat are rotatably connected.

[0018] The invention further comprises: the fixed disk is slidably sleeved on the movable tube, and a fastening knob is screwed on the fixed disk.

[0019] Furthermore, the slope plate is in the shape of a mesh plate.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. Through the setting of the trough bed and the correction mechanism, multiple trough beds are docked to form a conveying channel. During conveying, the round steel rolls on the slope plate. When rolling to the next trough bed, it contacts the two correction frames, which rotate a quarter of a turn. When the correction frames rotate, they drive the round steel to deflect forward. The two correction frames cooperate to lift the round steel, so that the round steel is parallel to the trough bed again, and the rolling direction of the round steel is corrected. At the same time, the gravitational potential energy of the round steel is restored, which facilitates the round steel to roll on the next upslope plate under the action of gravity, and realizes the round steel rolling forward along multiple trough beds, avoiding or reducing the jam of the round steel on the trough bed, facilitating the conveying of the round steel, and increasing the overall conveying speed of the round steel by reducing the jam.

[0022] 2. Through the adjustable setting between the dial plate and the limit assembly, when the next trough bed deflects to the right compared to the previous trough bed, the limit assembly at the bend is adjusted so that the dial plate on the correction frame on the right loses the drive to the limit assembly. When the round steel rolls to the bend, the right end of the round steel first contacts and is blocked by the correction frame on the right, and the left end of the round steel continues to move forward under the action of inertia, thereby pressing over a dial plate on the correction frame on the left, so that the correction frame is driven to rotate, so that when the two correction frames rotate, the round steel is in a state roughly parallel to the synchronization axis, which is convenient for the two correction frames to drive the round steel to flip at the same time, so as to adjust the rolling direction of the round steel, thereby realizing the change of direction of the round steel, facilitating the change of direction when conveying the round steel, and facilitating the curved conveying of the round steel.

[0023] 3. Through the mesh setting of the slope plate and the movement of the round steel rolling on the slope plate, it is convenient for the hot forging high-temperature round steel to peel off part of the oxide scale when rolling. The mesh setting of the slope plate facilitates the leakage of the oxide scale to avoid accumulation and further affect the subsequent rolling of the round steel. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a schematic diagram of the overall combination state of the present invention;

[0026] Figure 3 This is a schematic diagram of the side view of the trough bed structure of the present invention;

[0027] Figure 4 This is a schematic diagram of the cross-sectional structure of one end of the trough bed in the present invention;

[0028] Figure 5 This is a schematic diagram of the internal structure of the correction frame of the present invention;

[0029] Figure 6 It is a structural diagram of the correction mechanism and transmission assembly in the present invention;

[0030] Figure 7 It is a schematic diagram of the structure of the limit assembly and the correction mechanism in the present invention;

[0031] Figure 8 yes Figure 7 A local enlarged view of point A;

[0032] Figure 9 This is a schematic diagram of the internal structure of the outer and inner protective boxes of the present invention;

[0033] Figure 10 It is a schematic diagram of the transmission module structure of the present invention;

[0034] Figure 11 It is a schematic diagram of the structure of the moving tube in the present invention.

[0035] In the figure: 100, groove bed; 110, ramp plate; 120, docking part; 130, emptying groove; 200, correction mechanism; 210, synchronization shaft; 211, groove; 220, correction frame; 221, dial plate; 222, support foot; 223, inner cavity; 230, fixed seat; 300, transmission assembly; 310, outer casing; 320, transmission shaft; 321, worm gear; 330, worm; 340, transmission module; 341, bevel gear 1; 342, core rod; 3 43. Bevel gear 2; 344. Outer sleeve; 345. Inner sleeve; 350. Torsion spring; 360. Intermittent frame; 370. Limit plate; 371. Toggle lever; 400. Drive shaft; 410. Circular shaft 1; 420. Circular shaft 2; 430. Circular shaft 3; 500. Limit assembly; 510. Moving tube; 520. Connecting rod; 530. Fixed plate; 540. Pull rope; 550. Connecting frame; 551. Limit rod; 560. Support frame; 570. Tension spring. DETAILED DESCRIPTION

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0037] See also Figures 1 to 6In an embodiment of the present invention, a device for rapidly changing the direction of a steel billet is provided, comprising a slotted bed 100, a correction mechanism 200, a transmission assembly 300, a drive shaft 400 and a limit assembly 500. A ramp 110 is installed on the inner bottom surface of the slotted bed 100, and the slotted bed 100 is used to guide the steel billet to roll. The correction mechanism 200 is installed at one end of the slotted bed 100, and the correction mechanism 200 comprises a synchronous shaft 210, which is rotatably mounted on the slotted bed 100. Correction frames 220 are fixedly mounted at both ends of the synchronous shaft 210, and the correction frames 220 comprise four support legs 222. The two correction frames 220 are used to adjust the direction of the round steel billet and lift the steel billet. A dial plate 221 is rotatably mounted on one side of the top of the support leg 222. The positions of the two synchronous shafts 210 are both provided with a venting groove 130, the transmission assembly 300 is used to drive the synchronous shaft 210 to rotate, the drive shaft 400 is installed on one side of the slotted bed 100, and the drive shaft 400 is connected to the transmission assembly 300 for transmission. The drive shaft 400 is used to be connected to the external motor for transmission. The limit assembly 500 is installed on the correction frame 220, and the dial plate 221 triggers the transmission assembly 300 through the limit assembly 500 to drive the synchronous shaft 210 to rotate a quarter of a turn. The dial plate 221 is connected to the limit assembly 500 for transmission, and the driving relationship between the dial plate 221 and the limit assembly 500 is adjustable. A docking portion 120 is provided at one end of the slotted bed 100, and the shape of the other end of the slotted bed 100 matches the docking portion 120.

[0038] Specifically, multiple slotted beds 100 are docked to form a conveying channel, and the angle between two adjacent slotted beds 100 can be adjusted as needed. During transportation, the round steel rolls on the slope plate 110, and when rolling to the next slotted bed 100, it contacts the two correction frames 220. The round steel rolls and presses the dial plate 221, so that the dial plate 221 pulls the limit assembly 500, thereby causing the limit assembly 500 to release the restriction on the transmission assembly 300, and the transmission assembly 300 drives the synchronous shaft 210 to rotate, thereby driving the correction frame 220 to rotate a quarter of a circle. When the correction frame 220 rotates, it drives the round steel to deflect forward, and the two correction frames 220 cooperate to lift the round steel, so that the round steel is parallel to the slotted bed 100 again, the rolling direction of the round steel is corrected, and the gravitational potential energy of the round steel is restored, which is convenient for the round steel to go up the next section of the slope plate 110 The upper part rolls under the action of gravity. Through the adjustable setting between the dial plate 221 and the limit assembly 500, when the next slot bed 100 deflects to the right compared with the previous slot bed 100, the limit assembly 500 at the bend is adjusted so that the dial plate 221 on the correction frame 220 on the right side loses the drive of the limit assembly 500. When the round steel rolls to the bend, the right end of the round steel first contacts and is blocked by the correction frame 220 on the right side, and the left end of the round steel continues to move forward under the action of inertia, thereby pressing over a dial plate 221 on the correction frame 220 on the left side, thereby driving the correction frame 220 to rotate, so that when the two correction frames 220 rotate, the round steel is in a state roughly parallel to the synchronization shaft 210, which facilitates the two correction frames 220 to drive the round steel to flip at the same time, thereby adjusting the rolling direction of the round steel, thereby changing the direction of the round steel.

[0039] Example 1

[0040] like Figures 7 to 9As shown, in this embodiment, the transmission assembly 300 includes an outer protective box 310, a transmission shaft 320, a limit plate 370 and an intermittent frame 360. The outer protective box 310 is fixedly installed at one side position of one end of the grooved bed 100, the transmission shaft 320 is rotatably installed on the outer protective box 310, the transmission shaft 320 is transmission-connected to the drive shaft 400, the limit plate 370 is rotatably installed on the outer protective box 310, the intermittent frame 360 is fixedly sleeved on one end position of the synchronization shaft 210, and a toggle rod 371 is fixedly installed on one side of the limit plate 370. The limit plate 370 and the toggle rod 371 rotate one circle to drive the intermittent frame 360 to rotate a quarter circle. A torsion spring 350 is arranged between the transmission shaft 320 and the limit plate 370. One end of the torsion spring 350 is fixedly connected to the toggle rod 371. A transmission module 340 is installed between the other end of the torsion spring 350 and the transmission shaft 320. The limit assembly 500 is used to limit the rotation of the toggle rod 371. The limiting assembly 500 includes a connecting frame 550 and a supporting frame 560. The supporting frame 560 is fixedly installed on the grooved bed 100. The bottom end of the supporting frame 560 is slidably plugged into the connecting frame 550. One end of the connecting frame 550 is fixedly connected to the limiting rod 551. One end of the limiting rod 551 is slidably inserted into the interior of the outer protective box 310. The other end of the connecting frame 550 is movably connected to the synchronization shaft 210, and the dial plate 221 can pull the connecting frame 550.

[0041] In this embodiment, the drive shaft 400 rotates under the drive of an external motor, and the drive shaft 400 drives the transmission shaft 320 to rotate. Due to the blocking of the limit rod 551 on the toggle rod 371, the limit plate 370 is restricted from rotating, so that the transmission shaft 320 rotates to store energy for the torsion spring 350. When the round steel drives the toggle plate 221 to deflect, the toggle plate 221 drives the pulling connecting frame 550, and the connecting frame 550 drives the limit rod 551 to move left, so that the limit rod 551 releases the blocking of the toggle rod 371, so that the toggle rod 371 rotates one circle under the drive of the torsion spring 350 and is then blocked by the reset limit rod 551 again. The toggle rod 371 rotates one circle, driving the synchronization shaft 210 to rotate a quarter of a circle, thereby driving the two correction frames 220 to rotate a quarter of a circle.

[0042] like Figure 10 As shown, in this embodiment, the transmission module 340 includes an inner sleeve 345 and an outer sleeve 344, one end of the transmission shaft 320 is rotatably sleeved with a core rod 342, the outer sleeve 344 is slidably sleeved on the core rod 342, the other end of the torsion spring 350 is fixedly connected to the core rod 342, the outer wall of the inner sleeve 345 is provided with a spiral groove, the outer sleeve 344 and the inner sleeve 345 are screwed together, one end of the transmission shaft 320 is fixedly installed with a bevel gear 1 341, one end of the outer sleeve 344 is fixedly installed with a bevel gear 2 343, and the bevel gear 2 343 is meshed with the bevel gear 1 341.

[0043] In a specific implementation, the pitch of the spiral groove is consistent with the maximum engagement depth of the teeth on the bevel gear 1 341. When the transmission shaft 320 rotates, it drives the bevel gear 1 341 to explode. The bevel gear 1 341 drives the outer sleeve 344 to rotate through the meshing bevel gear 2 343. The outer sleeve 344 drives the core rod 342 to rotate, and the core rod 342 drives the torsion spring 350 to store energy. The outer sleeve 344 and the inner sleeve 345 are screwed together, so that the outer sleeve 344 moves to the left when rotating relative to the inner sleeve 345, so that the bevel gear 2 343 gradually disengages from the bevel gear 1 341. The disengagement and the pitch setting of the matching spiral groove make it impossible for the bevel gear 1 341 to continue to drive the bevel gear 2 343 to rotate after the core rod 342 rotates one circle until the toggle rod 371 is released, and the torsion spring 350 drives the limit plate 370 and the inner sleeve 345 to rotate one circle. The inner sleeve 345 rotates one circle to make the outer sleeve 344 move right and reset, so that the bevel gear 1 341 is re-engaged with the bevel gear 2 343 to form a cycle, avoiding the transmission shaft 320 from continuously storing energy in the torsion spring 350 and damaging the torsion spring 350, while facilitating the continuous rotation of the drive shaft 400.

[0044] like Figure 2 、 Figure 9 As shown, in this embodiment, the drive shaft 400 includes a circular shaft 1 410, a circular shaft 2 420 and a circular shaft 3 430. The circular shaft 1 410 is rotatably mounted on the outer protective box 310 and the ramp 110. Universal joints are connected between the circular shaft 2 420 and the circular shaft 1 410 and the circular shaft 3 430. One end of the circular shaft 1 410 and the circular shaft 3 430 is provided with a flange, and the length of the circular shaft 2 420 is adjustable. The worm 330 is fixedly sleeved on the circular shaft 1 410, and the worm wheel 321 is fixedly sleeved on the transmission shaft 320, and the worm wheel 321 is meshed with the worm 330.

[0045] In specific implementation, through the arrangement of circular shaft 2 420, circular shaft 3 430 and universal joint, after multiple trough beds 100 are connected end to end to form a conveying channel, multiple drive shafts 400 can also be connected end to end, thereby facilitating the transmission of all drive shafts 400 through one or several external motors, which is more convenient to use.

[0046] Example 2

[0047] like Figures 5 to 11As shown, in this embodiment, the positions of the correction frame 220 corresponding to the plurality of support legs 222 are each provided with an inner cavity 223, a moving tube 510 is provided on one side of the correction frame 220, the moving tube 510 is slidably sleeved with the synchronous shaft 210, a fixing plate 530 is installed on the moving tube 510, and the dial plate 221 is provided with a plurality of support legs 222. One end of the pull rope 540 is fixedly connected, and one end of the pull rope 540 passes through the correction frame 220 and is fixedly connected to the fixed plate 530 on the adjacent side. The moving tube 510 is connected to the connecting frame 550, and a groove 211 is provided on the outer wall of the synchronous shaft 210. A connecting rod 520 is fixedly connected between the two moving tubes 510, and the connecting rod 520 is slidably set in the groove 211 and is rotatably connected between a limit rod 551 close to the connecting frame 550. A fixing seat 230 is fixedly installed on the bottom surface of the groove bed 100, and a tension spring 570 is fixedly connected between the fixing seat 230 and the connecting frame 550. The synchronous shaft 210 and the fixing seat 230 are rotatably connected, the fixed plate 530 is slidably sleeved on the moving tube 510, and a tightening knob is screwed on the fixed plate 530, and the ramp 110 is a mesh plate.

[0048] When the lever 221 is pressed and deflected by the round steel, the lever 221 pulls the pull rope 540, and the fixed plate 530 and the movable tube 510 are pulled to the left by the pull rope 540. The movable tube 510 moves to the left and drives the connecting frame 550 to release the toggle rod 371. Then the correction frame 220 deflects, the round steel is separated from the lever 221, and the connecting frame 550 is reset under the action of the tension spring 570, so that the limit rod 551 is reset, so that the toggle rod 371 is convenient to be blocked by the limit rod 551 again after a circle. 00 effect, loosen the fastening knob on the right fixing plate 530, adjust the fixing plate 530 to the left, so that the pull rope 540 on the right is in a relaxed state. When the pull rope 540 is relaxed, the pull plate 221 cannot be deflected by pulling the moving tube 510 to slide, so that the right side pull plate 221 is invalid, and the round steel cannot trigger the rotation of the correction frame 220 by squeezing the right side pull plate 221. Through the mesh setting of the ramp plate 110, part of the oxide scale of the high-temperature round steel after hot forging will peel off when it rolls. The mesh setting of the ramp plate 110 facilitates the oxide scale to leak out, avoiding accumulation and further affecting the subsequent rolling of the round steel.

[0049] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0050] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A device for rapidly changing the direction of a steel billet, characterized in that: include A grooved bed (100) is provided with a ramp plate (110) on its inner bottom surface, and the grooved bed (100) is used to guide the rolling of the steel billet; A correction mechanism (200) is installed at one end of the slot bed (100). The correction mechanism (200) includes a synchronization shaft (210). The synchronization shaft (210) is rotatably installed on the slot bed (100). Correction frames (220) are fixedly installed at both ends of the synchronization shaft (210). The correction frames (220) include four support legs (222). The two correction frames (220) are used to adjust the direction of the round steel billet and lift the steel billet. A shift plate (221) is rotatably installed on one side of the top of the support legs (222). Emptying slots (130) are opened on the slot bed (100) at positions corresponding to the two synchronization shafts (210). A transmission assembly (300) for driving the synchronization shaft (210) to rotate; A drive shaft (400) is installed on one side of the grooved bed (100), the drive shaft (400) is in transmission connection with the transmission assembly (300), and the drive shaft (400) is used for transmission connection with an external motor; The limiting assembly (500) is mounted on the correction frame (220); the dial plate (221) triggers the transmission assembly (300) through the limiting assembly (500), thereby driving the synchronization shaft (210) to rotate a quarter of a turn; the dial plate (221) and the limiting assembly (500) are in transmission connection, and the driving relationship between the dial plate (221) and the limiting assembly (500) is adjustable.

2. The device for rapidly changing the direction of a steel billet according to claim 1, characterized in that: One end of the trough bed (100) is provided with a docking portion (120), and the shape of the other end of the trough bed (100) matches the docking portion (120).

3. The device for rapidly changing the direction of a steel billet according to claim 1, characterized in that: The transmission assembly (300) includes an outer casing (310), a transmission shaft (320), a limiting plate (370) and an intermittent frame (360). The outer casing (310) is fixedly mounted on one side of one end of the grooved bed (100). The transmission shaft (320) is rotatably mounted on the outer casing (310). The transmission shaft (320) is in transmission connection with the drive shaft (400). The limiting plate (370) is rotatably mounted on the outer casing (310). The intermittent frame (360) is fixedly sleeved on one end of the synchronous shaft (210). The limiting plate (370) is fixedly sleeved on one end of the synchronous shaft (210). A toggle rod (371) is fixedly installed on one side of the transmission shaft (320), and the limit plate (370) and the toggle rod (371) rotate one circle to drive the intermittent frame (360) to rotate a quarter circle. A torsion spring (350) is provided between the transmission shaft (320) and the limit plate (370), and one end of the torsion spring (350) is fixedly connected to the toggle rod (371). A transmission module (340) is installed between the other end of the torsion spring (350) and the transmission shaft (320). The limiting assembly (500) is used to limit the rotation of the toggle rod (371).

4. The device for rapidly changing the direction of a steel billet according to claim 3, characterized in that: The transmission module (340) includes an inner sleeve (345) and an outer sleeve (344). One end of the transmission shaft (320) is rotatably sleeved with a core rod (342). The outer sleeve (344) is slidably sleeved on the core rod (342). The other end of the torsion spring (350) is fixedly connected to the core rod (342). A spiral groove is provided on the outer wall of the inner sleeve (345). The outer sleeve (344) and the inner sleeve (345) are screwed together. One end of the transmission shaft (320) is fixedly installed with a bevel gear 1 (341). One end of the outer sleeve (344) is fixedly installed with a bevel gear 2 (343). The bevel gear 2 (343) is meshed with the bevel gear 1 (341).

5. The device for rapidly changing the direction of a steel billet according to claim 3, characterized in that: The driving shaft (400) comprises a circular shaft 1 (410), a circular shaft 2 (420) and a circular shaft 3 (430). The circular shaft 1 (410) is rotatably mounted on the outer protective box (310) and the ramp plate (110). Universal joints are connected between the circular shaft 2 (420) and the circular shaft 1 (410) and the circular shaft 3 (430). One end of the circular shaft 1 (410) and the circular shaft 3 (430) is provided with a flange. The length of the circular shaft 2 (420) is adjustable. A worm (330) is fixedly sleeved on the circular shaft 1 (410). A worm wheel (321) is fixedly sleeved on the transmission shaft (320). The worm wheel (321) and the worm (330) are meshed.

6. The device for rapidly changing the direction of a steel billet according to claim 3, characterized in that: The limiting assembly (500) comprises a connecting frame (550) and a supporting frame (560), wherein the supporting frame (560) is fixedly mounted on the grooved bed (100), the bottom end of the supporting frame (560) is slidably plugged into the connecting frame (550), one end of the connecting frame (550) is fixedly connected to a limiting rod (551), one end of the limiting rod (551) is slidably inserted into the interior of the outer protective box (310), the other end of the connecting frame (550) is movably sleeved with the synchronous shaft (210), and the shift plate (221) can pull the connecting frame (550).

7. The device for rapidly changing the direction of a steel billet according to claim 6, characterized in that: An inner cavity (223) is provided at positions corresponding to the plurality of supporting legs (222) in the correction frame (220). A moving tube (510) is provided on one side of the correction frame (220). The moving tube (510) is slidably sleeved with the synchronous shaft (210). A fixed disk (530) is installed on the moving tube (510). One end of the shift plate (221) is fixedly connected to a pull rope (540). One end of the pull rope (540) passes through the correction frame (220) and is fixedly connected to the fixed disk (530) on the adjacent side. The moving tube (510) is connected to the connecting frame (550).

8. The device for rapidly changing the direction of a steel billet according to claim 7, characterized in that: A groove (211) is provided on the outer wall of the synchronization shaft (210), a connecting rod (520) is fixedly connected between the two moving tubes (510), the connecting rod (520) is slidably arranged in the groove (211), and is rotatably connected to a limiting rod (551) close to the connecting frame (550), a fixing seat (230) is fixedly installed on the bottom surface of the groove bed (100), a tension spring (570) is fixedly connected between the fixing seat (230) and the connecting frame (550), and the synchronization shaft (210) and the fixing seat (230) are rotatably connected.

9. The device for rapidly changing the direction of a steel billet according to claim 7, characterized in that: The fixed disk (530) is slidably sleeved on the moving tube (510), and a fastening knob is screwed on the fixed disk (530).

10. A device for rapidly changing the direction of a steel billet according to any one of claims 1 to 9, characterized in that: The ramp (110) is in the shape of a mesh plate.

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