Overhead Lifting and Transfer Machine

Abstract

The present invention relates to the technical field of lifting and transfer machines, and discloses a cross-line lifting and transfer machine, which includes a base. The upper surface of the base is provided with a lifting and transplanting frame. The outer wall of the lifting and transplanting frame is fixedly connected with a fixed platform. The upper surface of the fixed platform is fixedly connected with a first motor. The output end of the first motor is fixedly connected with a first transmission shaft. The outer wall of the first transmission shaft is fixedly connected with a driving gear. The tooth end of the driving gear is meshed with a driven gear. The inside of the driven gear is fixedly connected with a second transmission shaft. The outer wall of the second transmission shaft is rotatably connected inside the fixed platform. By starting the first motor to drive the first transmission shaft to rotate, the driving gear drives the driven gear to rotate, the second transmission shaft drives the worm to rotate, the worm can make the two side worm wheels rotate in opposite directions, and the first rotating shaft drives the limiting plate to rotate, so as to limit the goods. When the position of the goods is severely offset, the goods can also be pushed to the middle position.

Description

Technical Field

[0001] The present invention relates to the technical field of lifting and transferring machines, and specifically to an over-line lifting and transferring machine. Background Art

[0002] An over-line lifting and transferring machine is a mechanical device used in an automated production line. It can realize the steering and conveying of objects at 90° or even other angles, enabling objects to be fed into or out of the main conveyor line from a fork, meeting the requirements of different production processes and layouts for the conveying direction of objects;

[0003] During the production process, the accurate conveying and positioning of materials are crucial for ensuring the consistency of product quality. During the conveying process, the center of gravity of the transferred object may not be at the center position. When lifting and transplanting, the object may shift, which may cause excessive force on one side of the equipment and insufficient force on the other side. In the long run, it will cause problems such as deformation and wear of the mechanical structure of the equipment, affecting the stability and reliability of the equipment. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the present invention provides an over-line lifting and transferring machine, which solves the problems that long-term operation of object offset will cause problems such as deformation and wear of the mechanical structure of the equipment, affecting the stability and reliability of the equipment.

[0005] To achieve the above objectives, the present invention is realized through the following technical solutions: An over-line lifting and transferring machine, including a base, on the upper surface of the base is provided a lifting and transplanting frame. On the outer wall of the lifting and transplanting frame is fixedly connected a fixed platform. On the upper surface of the fixed platform is fixedly connected a first motor. The output end of the first motor is fixedly connected with a first transmission shaft. On the outer wall of the first transmission shaft is fixedly connected a driving gear. The tooth end of the driving gear is meshed and connected with a driven gear. Inside the driven gear is fixedly connected a second transmission shaft. The outer wall of the second transmission shaft is rotatably connected inside the fixed platform. Both ends of the second transmission shaft are fixedly connected with worms. The tooth ends of the worms are meshed and connected with worm wheels. Inside the worm wheels is fixedly connected a first rotating shaft. The outer wall of the first rotating shaft is rotatably connected inside the fixed platform. On the outer wall of the first rotating shaft is fixedly connected a limiting plate. Inside the lifting and transplanting frame is provided a rolling assembly, and the rolling assembly is used for conveying objects side by side.

[0006] Preferably, the rolling assembly includes a first roller group, the outer wall of the first roller group is arranged inside the left side of the lifting and transplanting frame, and a second roller group is arranged inside the right side of the lifting and transplanting frame.

[0007] Preferably, the output end of the first motor is fixedly provided with a first gear. The tooth end of the first gear is meshed and connected with a first rack. The outer wall of the first rack is slidably connected inside the lifting and transplanting frame. On the outer wall of the first rack is fixedly connected a pushing plate.

[0008] Preferably, a frame is provided on the upper surface of the base, a second motor is fixedly connected inside the frame, a belt group is fixedly arranged at the output end of the second motor, a third transmission shaft is fixedly connected inside the belt group, both ends of the third transmission shaft are rotatably connected inside the lifting and transplanting frame, a cam is fixedly connected to the outer wall of the third transmission shaft, and a slider is slidably connected to the outer wall of the cam.

[0009] Preferably, a bracket is fixedly connected to the upper surface of the base, a third motor is fixedly connected inside the bracket, one end of a second rotating shaft is fixedly arranged at the output end of the third motor, the other end of the second rotating shaft is rotatably connected inside the bracket, an eccentric wheel is fixedly connected to the outer wall of the second rotating shaft, a lifting plate is slidably connected to the outer wall of the eccentric wheel, a telescopic column is fixedly connected to the lower surface of the lifting plate, and the lower surface of the telescopic column is fixedly connected to the upper surface of the base.

[0010] Preferably, an electric push rod is fixedly connected to the upper surface of the lifting plate, a second rack is fixedly connected to the output end of the electric push rod, and the tooth end of the second rack is meshed with a second gear.

[0011] Preferably, a third rotating shaft is fixedly connected inside the second gear, the bottom end of the third rotating shaft is rotatably connected inside the lifting plate, and the top end of the third rotating shaft is fixedly connected with a rotating tray.

[0012] Preferably, a sleeve is fixedly connected to the upper surface of the lifting plate, and an auxiliary ball is arranged inside the sleeve.

[0013] Preferably, a telescopic plate is slidably connected inside the lifting plate, and a protective plate is fixedly connected to the outer wall of the telescopic plate.

[0014] Preferably, a connecting rod is rotatably connected inside the lifting plate, screw rods are fixedly connected to both ends of the connecting rod, and the outer walls of the screw rods are threadedly connected inside the telescopic plate.

[0015] Working principle: When the lifting and transplanting machine is in use, after the goods are conveyed to the upper side of the frame, starting the second motor can drive the third transmission shaft to rotate through the belt group, and then through the cooperation of the cam and the slider, the goods can be lifted.

[0016] When the second motor is started, the first motor is started simultaneously. The first transmission shaft drives the driven gear to rotate through the driving gear, then drives the worm to rotate through the second transmission shaft, and the first rotating shaft drives the limiting plate to limit the goods to prevent them from shifting.

[0017] When the goods are lifted, the first transmission shaft continues to drive the first gear to rotate, and the first rack can push the goods to slide through the push plate, which can prevent the goods from slipping and causing the transfer to be interrupted when they are just transferred.

[0018] The rotating shaft two at the output end can be driven to rotate by starting the motor three. The eccentric wheel jacks up the lifting plate, and the rotating tray can jack up the goods. Then, by starting the electric push rod, the rack two can be pushed to slide, and the gear two can drive the rotating shaft three to rotate, so as to adjust the angle of the goods.

[0019] When the rotating tray rises, the lifting plate can drive the protective plate to rise through the telescopic plate. When the goods rotate, the protective plate provides protection to prevent them from falling.

[0020] The present invention provides an over-line jacking transfer machine, which has the following beneficial effects:

[0021] 1. In the present invention, by starting the motor one, the drive shaft one at the output end is driven to rotate. The drive shaft one drives the driven gear to rotate through the driving gear. The driven gear drives the worm to rotate through the drive shaft two. The worm can make the two side worm wheels rotate in the opposite direction. The rotating shaft one drives the limiting plate to rotate, which can limit the goods. When the position of the goods is severely offset, the goods can also be pushed to the middle position.

[0022] 2. In the present invention, the drive shaft one drives the gear one to rotate. The gear one can push the rack one to slide. The rack one drives the push plate to slide. The push plate can push the goods to move, preventing the goods from slipping when starting to be conveyed and avoiding the interruption of conveying caused by slipping.

[0023] 3. In the present invention, the rotating shaft two at the output end of the motor three rotates. The rotating shaft two drives the lifting plate to lift and lower through the eccentric wheel. Then, by starting the electric push rod, the rack two is driven to slide. The rack two pushes the gear two to rotate. The gear two drives the rotating tray to rotate through the rotating shaft three, which can adjust the angle of the goods during conveying, facilitating subsequent work.

[0024] 4. In the present invention, when the rotating tray jacks up the goods, the protective plate can be used for protection, and the width of the protective plate is adjustable to adapt to different sizes of goods. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0026] Figure 2 is a partial structural schematic diagram of the driving gear of the present invention;

[0027] Figure 3 is a partial structural schematic diagram of the driven gear of the present invention;

[0028] Figure 4 is a partial structural schematic diagram of the cam of the present invention;

[0029] Figure 5 is a partial structural schematic diagram of the first roller group of the present invention;

[0030] Figure 6 Schematic diagram of the partial structure of the frame of the present invention;

[0031] Figure 7 Schematic diagram of the partial structure of the second rack of the present invention;

[0032] Figure 8 Schematic diagram of the partial structure of the lead screw of the present invention.

[0033] Wherein, 1, base; 2, lifting and transplanting frame; 3, fixed table; 4, motor 1; 5, transmission shaft 1; 6, driving gear; 7, driven gear; 8, transmission shaft 2; 9, worm; 10, worm wheel; 11, rotating shaft 1; 12, limit plate; 13, roller group 1; 14, roller group 2; 15, gear 1; 16, rack 1; 17, push plate; 18, frame; 19, motor 2; 20, belt group; 21, transmission shaft 3; 22, cam; 23, slider; 24, bracket; 25, motor 3; 26, rotating shaft 2; 27, eccentric wheel; 28, lifting plate; 29, telescopic column; 30, electric push rod; 31, second rack; 32, gear 2; 33, rotating shaft 3; 34, rotating tray; 35, sleeve; 36, auxiliary ball; 37, telescopic plate; 38, protective plate; 39, connecting rod; 40, lead screw. Detailed implementation manners

[0034] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the drawings of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0035] Please refer to the attached Figure 1 - attached Figure 3 , the embodiment of the present invention provides a cross-line lifting and transfer machine, including a base 1, a lifting and transplanting frame 2 is arranged on the upper surface of the base 1, a fixed table 3 is fixedly connected to the outer wall of the lifting and transplanting frame 2, a motor 1 4 is fixedly connected to the upper surface of the fixed table 3, the output end of the motor 1 4 is fixedly connected to a transmission shaft 1 5, a driving gear 6 is fixedly connected to the outer wall of the transmission shaft 1 5, the tooth end of the driving gear 6 is meshed with a driven gear 7, a transmission shaft 2 8 is fixedly connected to the inside of the driven gear 7, the outer wall of the transmission shaft 2 8 is rotatably connected to the inside of the fixed table 3, both ends of the transmission shaft 2 8 are fixedly connected with a worm 9, the tooth ends of the worms 9 are both meshed with a worm wheel 10, a rotating shaft 1 11 is fixedly connected to the inside of the worm wheel 10, the outer wall of the rotating shaft 1 11 is rotatably connected to the inside of the fixed table 3, a limit plate 12 is fixedly connected to the outer wall of the rotating shaft 1 11, a rolling assembly is arranged inside the lifting and transplanting frame 2, and the rolling assembly is used for conveying objects side by side.

[0036] Specifically, the jacking and transplanting frame 2 is used to carry goods. The jacking and transplanting frame 2 fixes the fixed platform 3, and the fixed platform 3 fixes the first motor 4. Starting the first motor 4 drives the transmission shaft 5 at the output end to rotate. The transmission shaft 5 rotates inside the fixed platform 3, and the fixed platform 3 can support the rotation of the transmission shaft 5. The transmission shaft 5 drives the driving gear 6 to rotate. The driving gear 6 is a semi-gear, and the driving gear 6 meshes with the driven gear 7 to rotate. The driven gear 7 drives the transmission shaft 8 to rotate. The fixed platform 3 supports the rotation of the transmission shaft 8. Both ends of the transmission shaft 8 are provided with worm gears 9, and the worm gears 9 mesh with the worm wheels 10 to rotate. The two worm wheels 10 are arranged in opposite directions, which can make the worm wheels 10 rotate in opposite directions. The two worm wheels 10 drive the two rotating shafts 11 at both sides to rotate in opposite directions at the same time, which can make the two limiting plates 12 swing towards each other, so as to restrict the goods. Starting the first motor 4 to rotate in the reverse direction can reset the limiting plates 12.

[0037] Please refer to the appendix Figure 1 , the rolling assembly includes a first roller group 13. The outer wall of the first roller group 13 is arranged inside the left side of the jacking and transplanting frame 2, and a second roller group 14 is arranged inside the right side of the jacking and transplanting frame 2.

[0038] Specifically, the first roller group 13 is arranged on the left side. The goods first enter from the first roller group 13, and after being transplanted, they are transferred to the second roller group 14 for continuous transportation.

[0039] Please refer to the appendix Figure 2 and the appendix Figure 3 , a first gear 15 is fixedly arranged at the output end of the first motor 4. The tooth end of the first gear 15 is meshed and connected with a first rack 16. The outer wall of the first rack 16 is slidably connected inside the jacking and transplanting frame 2, and a push plate 17 is fixedly connected to the outer wall of the first rack 16.

[0040] Specifically, when the transmission shaft 5 rotates, it can drive the first gear 15 to rotate. The first gear 15 pushes the first rack 16 to slide. The jacking and transplanting frame 2 supports the sliding of the first rack 16. The first rack 16 drives the push plate 17 to slide. Since the driving gear 6 is a semi-gear, when the driving gear 6 stops meshing with the driven gear 7, the transmission shaft 5 can still drive the first gear 15 to rotate, and the push plate 17 continues to slide, ensuring that the goods can be pushed to move a certain distance.

[0041] Please refer to the appendix Figure 4 and the appendix Figure 6 , a frame 18 is arranged on the upper surface of the base 1. A second motor 19 is fixedly connected inside the frame 18. A belt group 20 is fixedly arranged at the output end of the second motor 19. A transmission shaft 21 is fixedly connected inside the belt group 20. Both ends of the transmission shaft 21 are rotatably connected inside the jacking and transplanting frame 2. A cam 22 is fixedly connected to the outer wall of the transmission shaft 21. A slider 23 is slidably connected to the outer wall of the cam 22.

[0042] Specifically, the belt group 20 of the starting motor two 19 rotates. The belt group 20 can drive the transmission shaft three 21 to rotate through the cooperation of the belt and the pulley. The transmission shaft three 21 pushes the slider 23 to lift and lower through the cam 22. When the slider 23 lifts and lowers, the goods can be lifted. A synchronous belt is arranged on the upper side of the slider 23, and the goods can be transferred by 90 degrees through the synchronous belt.

[0043] Please refer to the attached Figure 5 , attached Figure 7 and attached Figure 8 , a bracket 24 is fixedly connected to the upper surface of the base 1. A motor three 25 is fixedly connected inside the bracket 24. One end of a rotating shaft two 26 is fixedly arranged at the output end of the motor three 25, and the other end of the rotating shaft two 26 is rotatably connected inside the bracket 24. An eccentric wheel 27 is fixedly connected to the outer wall of the rotating shaft two 26. A lifting plate 28 is slidably connected to the outer wall of the eccentric wheel 27. A telescopic column 29 is fixedly connected to the lower surface of the lifting plate 28, and the lower surface of the telescopic column 29 is fixedly connected to the upper surface of the base 1.

[0044] Specifically, the bracket 24 fixes the motor three 25. When the motor three 25 is started to drive the rotating shaft two 26 to rotate, the rotating shaft two 26 drives the eccentric wheel 27 to rotate. The eccentric wheel 27 can push the lifting plate 28 to lift and lower. At the same time, the telescopic column 29 supports the lifting and lowering of the lifting plate 28. When the lifting plate 28 rises, the goods can be lifted again.

[0045] Please refer to the attached Figure 7 and attached Figure 8 , an electric push rod 30 is fixedly connected to the upper surface of the lifting plate 28. A rack two 31 is fixedly connected to the output end of the electric push rod 30. The tooth end of the rack two 31 is meshed with a gear two 32.

[0046] Specifically, the lifting plate 28 fixes the electric push rod 30. The electric push rod 30 can drive the rack two 31 at the output end to slide, and the rack two 31 pushes the gear two 32 to rotate.

[0047] Please refer to the attached Figure 7 and attached Figure 8 , a rotating shaft three 33 is fixedly connected inside the gear two 32. The bottom end of the rotating shaft three 33 is rotatably connected inside the lifting plate 28, and the top end of the rotating shaft three 33 is fixedly connected to a rotating tray 34.

[0048] Specifically, when the gear two 32 rotates, it drives the rotating shaft three 33 inside to rotate. The lifting plate 28 supports the rotation of the rotating shaft three 33. The rotating shaft three 33 drives the goods to rotate through the rotating tray 34, and the angle of the goods can be adjusted.

[0049] Please refer to the attached Figure 7 and attached Figure 8 , a sleeve 35 is fixedly connected to the upper surface of the lifting plate 28. An auxiliary ball 36 is arranged inside the sleeve 35.

[0050] Specifically, the auxiliary ball 36 can rotate freely inside the sleeve 35. When the rotating tray 34 jacks up the goods, the second rotating shaft 26 moves up and down synchronously. When the rotating tray 34 drives the goods to rotate, the auxiliary ball 36 can provide auxiliary support.

[0051] Please refer to the appendix Figure 7 and the appendix Figure 8 , a telescopic plate 37 is slidably connected inside the lifting plate 28, and a protective plate 38 is fixedly connected to the outer wall of the telescopic plate 37.

[0052] Specifically, when the lifting plate 28 rises, the telescopic plate 37 drives the protective plate 38 to rise. The protective plate 38 is located on both sides of the goods and can protect the goods. Moreover, the telescopic plate 37 can slide inside the lifting plate 28.

[0053] Please refer to the appendix Figure 7 and the appendix Figure 8 , a connecting rod 39 is rotatably connected inside the lifting plate 28. Both ends of the connecting rod 39 are fixedly connected with a lead screw 40, and the outer wall of the lead screw 40 is threadedly connected inside the telescopic plate 37.

[0054] Specifically, by arranging the lead screws 40 on both sides in the opposite direction, rotating one of the lead screws 40 can drive the telescopic plate 37 to slide, and at the same time, the telescopic plate 37 on the other side also slides in the opposite direction. The connecting rod 39 can connect and support the rotation of the lead screw 40.

[0055] When the cross-line lifting and transferring machine in this embodiment is in use, the goods are conveyed by the second roller group 14. When the goods are conveyed to the upper side of the frame 18, the second motor 19 is started to rotate. The second motor 19 drives the third transmission shaft 21 to rotate through the belt group 20. The third transmission shaft 21 drives the cam 22 to rotate. The cam 22 is in contact with the slider 23. When the cam 22 rotates, it can jack up the slider 23, thereby lifting the goods.

[0056] When the second motor 19 is started, the first motor 4 is simultaneously started to drive the first transmission shaft 5 at the output end to rotate. The first transmission shaft 5 drives the driven gear 7 to rotate through the driving gear 6. The driven gear 7 drives the two worms 9 on both sides to rotate through the second transmission shaft 8. The worms 9 mesh with the worm wheels 10 to rotate. The two worm wheels 10 rotate in the opposite direction, which can make the two first rotating shafts 11 rotate in the opposite direction. The first rotating shafts 11 drive the limiting plates 12 to rotate. The limiting plates 12 can limit the goods to prevent them from shifting.

[0057] When the goods are lifted, that is, when the goods are separated from the contact with the second roller group 14, the goods are transferred by the synchronous belt arranged on the upper side of the first roller group 13. At this time, the first motor 4 continues to drive the first gear 15 to rotate through the first transmission shaft 5, the first gear 15 drives the first rack 16 to continue sliding, and the first rack 16 can push the goods to slide a certain distance through the push plate 17, which can prevent the transfer from being interrupted due to slipping when the goods are just transferred.

[0058] When the goods need to be rotated, the third motor 25 can be started to drive the second rotating shaft 26 at the output end to rotate. The second rotating shaft 26 jacks up the lifting plate 28 through the eccentric wheel 27. The lifting plate 28 can raise the upper rotating tray 34. The rotating tray 34 can jack up the goods. By starting the electric push rod 30, the second rack 31 can be pushed to slide. The second rack 31 pushes the second gear 32 to rotate, so that the third rotating shaft 33 drives the rotating tray 34 to rotate, and the angle of the goods can be adjusted. Then the goods are lowered, and the goods are continuously conveyed by the belt.

[0059] When the rotating tray 34 rises, the lifting plate 28 can drive the protective plate 38 to rise through the telescopic plate 37. The protective plate 38 protects the goods from falling when they rotate. The width of the telescopic plate 37 can be adjusted by rotating the lead screw 40, so as to adjust the width of the protective plate 38.

[0060] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cross-line lifting and transferring machine, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with a lifting and transplanting frame (2); the outer wall of the lifting and transplanting frame (2) is fixedly connected to a fixed platform (3); the upper surface of the fixed platform (3) is fixedly connected to a motor 1 (4); the output end of the motor 1 (4) is fixedly connected to a transmission shaft 1 (5); the outer wall of the transmission shaft 1 (5) is fixedly connected to a driving gear (6); the tooth end of the driving gear (6) is meshingly connected to a driven gear (7); the interior of the driven gear (7) is fixedly connected to a transmission shaft 2 (8); the outer wall of the transmission shaft 2 (8) is rotatably connected to the interior of the fixed platform (3); both ends of the transmission shaft 2 (8) are fixedly connected to a worm (9); The tooth ends of the worm (9) are meshingly connected to a worm wheel (10); a rotating shaft (11) is fixedly connected inside the worm wheel (10); the outer wall of the rotating shaft (11) is rotatably connected to the inside of the fixed platform (3); the outer wall of the rotating shaft (11) is fixedly connected to a limit plate (12); a rolling assembly is arranged inside the lifting and transplanting frame (2); the rolling assembly is used to transport objects side by side; a frame (18) is arranged on the upper surface of the base (1); a motor (19) is fixedly connected inside the frame (18); a belt group (20) is fixedly arranged at the output end of the motor (19); a transmission shaft is fixedly connected inside the belt group (20). The outer wall of the transmission shaft (21) is fixedly connected to a cam (22), both ends of the transmission shaft (21) are rotatably connected to the inside of the lifting and transplanting frame (2), and the outer wall of the cam (22) is slidably connected to a slider (23); the upper surface of the base (1) is fixedly connected to a bracket (24), the inside of the bracket (24) is fixedly connected to a motor (25), the output end of the motor (25) is fixedly provided with one end of a rotating shaft (26), the other end of the rotating shaft (26) is rotatably connected to the inside of the bracket (24), the outer wall of the rotating shaft (26) is fixedly connected to an eccentric wheel (27), the outer wall of the eccentric wheel (27) is fixedly connected to the outside of the eccentric wheel (27). The wall is slidably connected to a lifting plate (28), the lower surface of the lifting plate (28) is fixedly connected to a telescopic column (29), and the lower surface of the telescopic column (29) is fixedly connected to the upper surface of the base (1); the upper surface of the lifting plate (28) is fixedly connected to an electric push rod (30), the output end of the electric push rod (30) is fixedly connected to a rack 2 (31), and the tooth end of the rack 2 (31) is meshingly connected to a gear 2 (32); the interior of the gear 2 (32) is fixedly connected to a rotating shaft 3 (33), the bottom end of the rotating shaft 3 (33) is rotatably connected to the interior of the lifting plate (28), and the top end of the rotating shaft 3 (33) is fixedly connected to a rotating tray (34).

2. The cross-line lifting and transferring machine according to claim 1, characterized in that: The rolling assembly comprises a roller group 1 (13), the outer wall of the roller group 1 (13) being arranged inside the left side of the lifting and transplanting frame (2), and a roller group 2 (14) being arranged inside the right side of the lifting and transplanting frame (2).

3. The cross-line lifting and transferring machine according to claim 1, characterized in that: A gear 1 (15) is fixedly provided at the output end of the motor 1 (4); a tooth end of the gear 1 (15) is meshingly connected to a rack 1 (16); an outer wall of the rack 1 (16) is slidably connected to the inside of the lifting and transplanting frame (2); and a push plate (17) is fixedly connected to the outer wall of the rack 1 (16).

4. The cross-line lifting and transferring machine according to claim 1, characterized in that: A sleeve (35) is fixedly connected to the upper surface of the lifting plate (28), and an auxiliary ball (36) is arranged inside the sleeve (35).

5. The cross-line lifting and transferring machine according to claim 1, characterized in that: The interior of the lifting plate (28) is slidably connected to a telescopic plate (37), and the outer wall of the telescopic plate (37) is fixedly connected to a protective plate (38).

6. The cross-line lifting and transferring machine according to claim 5, characterized in that: The lifting plate (28) is rotatably connected to a connecting rod (39) inside, and both ends of the connecting rod (39) are fixedly connected to a screw rod (40), and the outer wall of the screw rod (40) is threadedly connected to the inside of the telescopic plate (37).

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