Novel uncoiler gear box

By adopting an integrated structural design and the application of a multi-stage reducer, the problems of large size, heavy weight, and low transmission efficiency of uncoiler gearboxes have been solved, resulting in a high-efficiency, lightweight, and convenient uncoiler gearbox, thus improving economic benefits.

CN121876153APending Publication Date: 2026-04-17ANHUI HAIYI HEAVY IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ANHUI HAIYI HEAVY IND CO LTD
Filing Date
2023-02-15
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

Existing uncoiler gearboxes are large in size, occupy a large area, are heavy, have many parts, have high manufacturing costs, low transmission efficiency, are noisy, and are inconvenient to operate.

Method used

It adopts an integrated structural design, including a cover plate, top cover, main shaft assembly, base, drive motor, intermediate shaft assembly and input shaft assembly. It improves the reduction ratio through multi-stage reducers and is equipped with support legs to reduce the weight and floor space of the equipment. It is also equipped with an auxiliary feeding trolley to speed up the work progress.

Benefits of technology

The uncoiler gearbox features high transmission efficiency, small footprint, light weight, low noise, and easy operation, thus improving economic benefits.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of uncoiler gear boxes, and particularly relates to a novel uncoiler gear box. Comprising a cover plate, an upper cover, a main shaft assembly, a base, a driving motor, a middle shaft assembly and an input shaft assembly, the cover plate is arranged on one side of the base, the upper cover is arranged on the upper side of the base, a sealing gasket is arranged between the upper cover and the cover plate, the main shaft assembly is arranged above the base, and the driving motor is arranged on the side face of the base. The intermediate shaft assembly and the input shaft assembly are arranged between the upper cover and the base. By arranging the multi-stage speed reducer, the speed reduction ratio of the speed reducer is higher, the main shaft of the speed reducer is arranged to be longer than other shafts of the speed reducer and larger in diameter, it is guaranteed that the speed reducer can directly support a heavy-load workpiece during heavy load, the occupied area of the uncoiling machine is reduced, and by arranging the supporting legs, on one hand, excessive balance weights can be prevented from being arranged; and on the other hand, the auxiliary feeding trolley can be additionally arranged in the later period to help to accelerate the work progress, and economic benefits are improved.
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Description

Technical Field

[0001] This invention belongs to the field of uncoiler gearbox technology, and particularly relates to a novel uncoiler gearbox. Background Technology

[0002] Currently, the domestic brand reducer industry has significant differences, with a wide variety of product specifications. Large-scale equipment in the steel industry is mostly non-standard in design. The gearboxes of uncoilers used for heavy steel uncoiling are large in size, occupy a large area, are heavy, have many parts, have high manufacturing costs, low transmission efficiency, high noise, and are inconvenient to operate.

[0003] Therefore, it is necessary to design an uncoiler gearbox with an integrated structural design, high transmission efficiency, and small footprint. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a novel uncoiler gearbox to solve the problems mentioned in the background art.

[0005] The novel uncoiler gearbox of this invention is implemented as follows:

[0006] The device includes a cover plate, a top cover, a spindle assembly, a base, a drive motor, an intermediate shaft assembly, and an input shaft assembly. The cover plate is located on one side of the base and is fixedly connected to the base by bolts. The top cover is located on the upper side of the base and is fixedly connected to the cover plate. A sealing gasket is provided between the top cover and the cover plate. The spindle assembly is located above the base and is fixedly connected to the cover plate and the top cover. The drive motor is located on the side of the base and is fixedly connected to the input shaft assembly by a coupling. The intermediate shaft assembly and the input shaft assembly are located between the top cover and the base.

[0007] The cover plate is provided with a bearing groove, a round nut groove and a connecting end face. The bearing groove is located at one end of the cover plate, the connecting end face is located at the other end of the cover plate, and the connecting end face is provided with a round nut groove inside.

[0008] The upper cover has an end face, a gear groove, a large bearing groove, an intermediate bearing groove, and an input bearing groove. The end face is located on one side of the upper cover, the gear groove is located on one side of the inner end face of the upper cover, the large bearing groove is located on the other side of the end face, and a positioning boss is provided in the large bearing groove. The intermediate bearing groove is located between the large bearing groove and the input bearing groove, and a positioning boss is provided in the intermediate bearing groove. The input bearing groove is located at the other end of the upper cover, and a positioning boss is provided in the input bearing groove.

[0009] The spindle assembly includes a movable cover, a small bearing, a spindle, a round nut, a positioning sleeve, a large gear, an adjusting sleeve, a large bearing, and an output cover. The movable cover is located at one end of the small spindle shaft. The small bearing is fixedly connected to the movable cover. The round nut is located in the middle of the spindle. One end of the positioning sleeve is fixedly connected to the round nut, and the other end is fixedly connected to the large gear. One end of the adjusting sleeve is fixedly connected to the large gear, and the other end is fixedly connected to the inner ring of the large bearing. The inner ring of the large bearing is fixedly connected to the output cover. The output cover is fixedly connected to the upper cover and the base respectively by bolts.

[0010] The spindle is provided with a connecting thread, a gear seat, an adjusting thread, a bearing seat, a cylinder mounting hole, and a center hole. The connecting thread is located at one end of the spindle, the gear seat is located in the middle of the spindle, the adjusting thread is located on the side of the gear seat away from the connecting thread, the bearing seat is located at the other end of the spindle, the cylinder mounting hole is located on the end face of the spindle, and the center hole penetrates through the center of the spindle.

[0011] The base includes a small bearing seat, a motor mounting seat, a round nut adjustment slot, a large gear slot, a large bearing seat, a support leg, an input bearing seat, and an intermediate bearing seat. The small bearing seat is located at one end of the base, the motor mounting seat is located on one side of the base, the round nut adjustment slot is located in the middle of the base, the large gear slot is located next to the round nut adjustment slot, the large bearing seat is located at the other end of the base body, the support leg is located on the lower side of the other end of the base body, and the support leg is connected to the base body by a rib plate. The input bearing seat is located at the side extension of the base, and the intermediate bearing seat is also located at the side extension of the base.

[0012] The intermediate shaft assembly includes end caps, self-aligning roller bearings, spacers, a drive pinion, a driven gear, and an intermediate shaft. The end caps are located at both ends of the intermediate shaft. The self-aligning roller bearings are located inside the end caps. One end of the spacer abuts against the inner ring of the self-aligning roller bearing, and the other end abuts against the drive pinion. The other end of the drive pinion abuts against one end of the driven gear. The driven gear abuts against another spacer. The self-aligning roller bearings, spacers, drive pinion, and driven gear are all concentric with the intermediate shaft.

[0013] The input shaft assembly includes an input shaft, a perforated bearing cap, an input bearing, a long spacer, a drive gear, a short spacer, and an end cap. The input shaft has a connecting shaft. The perforated bearing cap is located on one side of the connecting shaft and inside the connecting shaft. The input bearing abuts against the perforated bearing cap. One end of the long spacer abuts against the inner ring of the input bearing, and the other end abuts against the drive gear. One end of the short spacer abuts against the other end of the drive gear, and the other end abuts against another input bearing. An end cap is located at the other end of the input shaft, and the end cap abuts against another input bearing.

[0014] During operation, the hydraulic cylinder is installed at the hydraulic cylinder mounting hole, and the hydraulic cylinder piston rod is connected to the tensioner through the center hole. A trolley is installed at the support leg to assist in feeding and speed up the work.

[0015] The beneficial effects of this invention are as follows: By setting up a multi-stage reducer, the reduction ratio of the reducer is higher. By setting the main shaft of the reducer to be longer and larger in diameter than other shafts of the reducer, it is ensured that the reducer can directly support heavy-duty workpieces under heavy loads, reducing the footprint of the uncoiler. By setting up support legs, on the one hand, it is possible to avoid setting up too much counterweight and reduce the weight of the equipment. On the other hand, it is possible to add an auxiliary feeding trolley later to help speed up the work progress and improve economic efficiency. Attached Figure Description

[0016] Figure 1 This is a structural diagram of a novel uncoiler gearbox according to the present invention.

[0017] Figure 2 This is a structural diagram of the internal structure of a novel uncoiler gearbox according to the present invention.

[0018] Figure 3 This is a structural diagram of a novel uncoiler gearbox cover plate according to the present invention.

[0019] Figure 4 This is a structural diagram of a novel uncoiler gearbox spindle assembly according to the present invention.

[0020] Figure 5 This is a structural diagram of a novel uncoiler gearbox spindle according to the present invention.

[0021] Figure 6 This is a structural diagram of a novel gearbox cover for an uncoiler according to the present invention.

[0022] Figure 7 This is a structural diagram of a novel uncoiler gearbox base according to the present invention.

[0023] Figure 8 This is a structural diagram of a novel gearbox intermediate shaft assembly for an uncoiler according to the present invention.

[0024] Figure 9 This is a structural diagram of a novel uncoiling machine gearbox input shaft assembly according to the present invention.

[0025] 1. Cover plate; 11. Bearing groove; 12. Round nut groove; 13. Connecting end face; 2. Top cover; 21. End face; 22. Gear groove; 23. Large bearing groove; 24. Intermediate bearing groove; 25. Input bearing groove; 3. Spindle assembly; 31. Movable cover; 32. Small bearing; 33. Spindle; 331. Connecting thread; 332. Gear seat; 333. Adjusting thread; 334. Bearing seat; 335. Hydraulic cylinder mounting hole; 336. Center hole; 34. Round nut; 35. Positioning sleeve; 36. Large gear; 37. Adjusting sleeve; 38. Large bearing; 39. Output 4. Cover; 41. Base; 42. Small bearing seat; 43. Motor mounting seat; 44. Round nut adjusting slot; 45. Large gear slot; 46. Large bearing seat; 47. Support leg; 48. Input bearing seat; 5. Intermediate bearing seat; 69. Drive motor; 60. Intermediate shaft assembly; 61. End cover; 62. Self-aligning roller bearing; 63. Spacer; 64. Drive pinion; 65. Driven large gear; 66. Intermediate shaft; 70. Input shaft assembly; 71. Input shaft; 72. Bearing cover with hole; 73. Input bearing; 74. Long spacer; 75. Drive gear; 76. Short spacer. Detailed Implementation

[0026] The invention will now be further described with reference to the accompanying drawings.

[0027] according to Figure 1-9 As shown: It includes a cover plate 1, an upper cover 2, a main shaft assembly 3, a base 4, a drive motor 5, an intermediate shaft assembly 6, and an input shaft assembly 7. The cover plate 1 is located on one side of the base 4 and is fixedly connected to the base 4 by bolts. The upper cover 2 is located on the upper side of the base 4 and is fixedly connected to the cover plate 1. A sealing gasket is provided between the upper cover 2 and the cover plate 1. The main shaft assembly 3 is located above the base 4 and is fixedly connected to the cover plate 1 and the upper cover 2. The drive motor 5 is located on the side of the base 4 and is fixedly connected to the input shaft assembly 7 by a coupling. The intermediate shaft assembly 6 and the input shaft assembly 7 are located between the upper cover 2 and the base 4.

[0028] The cover plate 1 is provided with a bearing groove 11, a round nut groove 12 and a connecting end face 13. The bearing groove 11 is provided at one end of the cover plate 1, and the connecting end face 13 is provided at the other end of the cover plate 1. The connecting end face 13 is provided with a round nut groove 12 inside.

[0029] The upper cover 2 is provided with an end face 21, a gear groove 22, a large bearing groove 23, an intermediate bearing groove 24, and an input bearing groove 25. The end face 21 is located on one side of the upper cover 2. The gear groove 22 is located on one side of the inner end face 21 of the upper cover 2. The large bearing groove 23 is located on the other side of the end face 21. A positioning boss is provided in the large bearing groove 23. The intermediate bearing groove 24 is located between the large bearing groove 23 and the input bearing groove 25. A positioning boss is provided in the intermediate bearing groove 24. The input bearing groove 25 is located at the other end of the upper cover 2. A positioning boss is provided in the input bearing groove 25.

[0030] The main spindle assembly 3 includes a movable cover 31, a small bearing 32, a main spindle 33, a round nut 34, a positioning sleeve 35, a large gear 36, an adjusting sleeve 37, a large bearing 38, and an output cover 39. The movable cover 31 is located at one end of the small shaft of the main spindle 33. The small bearing 32 is fixedly connected to the movable cover 31. The round nut 34 is located in the middle of the main spindle 33. One end of the positioning sleeve 35 is fixedly connected to the round nut 34, and the other end is fixedly connected to the large gear 36. One end of the adjusting sleeve 37 is fixedly connected to the large gear 36, and the other end is fixedly connected to the inner ring of the large bearing 38. The inner ring of the large bearing 38 is fixedly connected to the output cover 39. The output cover 39 is fixedly connected to the upper cover 2 and the base 4 respectively by bolts.

[0031] The main shaft 33 is provided with a connecting thread 331, a gear seat 332, an adjusting thread 333, a bearing seat 334, a cylinder mounting hole 335, and a center hole 336. The connecting thread 331 is located at one end of the main shaft 33, the gear seat 332 is located in the middle of the main shaft 33, the adjusting thread 333 is located on the side of the gear seat 332 away from the connecting thread 331, the bearing seat 334 is located at the other end of the main shaft 33, the cylinder mounting hole 335 is located on the end face of the main shaft 33, and the center hole 336 penetrates the center of the main shaft 33.

[0032] The base 4 is provided with a small bearing seat 41, a motor mounting seat 42, a round nut adjusting groove 43, a large gear groove 44, a large bearing seat 45, a support leg 46, an input bearing seat 47, and an intermediate bearing seat 48. The small bearing seat 41 is located at one end of the base 4, the motor mounting seat 42 is located on one side of the base 4, the round nut adjusting groove 43 is located in the middle of the base 4, the large gear groove 44 is located on one side of the round nut adjusting groove 43, the large bearing seat 45 is located at the other end of the main body of the base 4, the support leg 46 is located on the lower side of the other end of the main body of the base 4, and the support leg 46 is connected to the main body of the base 4 by a rib plate. The input bearing seat 47 is located at the side extension position of the base 4, and the intermediate bearing seat 48 is also located at the side extension position of the base 4.

[0033] The intermediate shaft assembly 6 includes an end cover 61, a self-aligning roller bearing 62, a spacer 63, a drive pinion 64, a driven gear 65, and an intermediate shaft 66. The end cover 61 is located at both ends of the intermediate shaft 66. The self-aligning roller bearing 62 is located inside the end cover 61. One end of the spacer 63 abuts against the inner ring of the self-aligning roller bearing 62, and the other end abuts against the drive pinion 64. The other end of the drive pinion 64 abuts against one end of the driven gear 65. The driven gear 65 abuts against another spacer 63. The self-aligning roller bearing 62, the spacer 63, the drive pinion 64, and the driven gear 65 are all concentric with the intermediate shaft 66.

[0034] The input shaft assembly 7 includes an input shaft 71, a perforated bearing cap 72, an input bearing 73, a long spacer 74, a drive gear 75, a short spacer 76, and an end cap 61. The input shaft 71 has a connecting shaft. The perforated bearing cap 72 is located on one side of the connecting shaft and inside the connecting shaft. The input bearing 73 abuts against the perforated bearing cap 72. One end of the long spacer 74 abuts against the inner ring of the input bearing 73, and the other end abuts against the drive gear 75. One end of the short spacer 76 abuts against the other end of the drive gear 75, and the other end abuts against another input bearing 73. The other end of the input shaft 71 has an end cap 61, which abuts against another input bearing 73.

[0035] The working principle of a novel uncoiler gearbox in this embodiment is as follows:

[0036] In use, install the large gear 36 onto the spindle 33 and fix the large gear 36 to the gear shaft 332 with a key. Put the positioning sleeve 35 and the adjusting sleeve 37 on the outside of the spindle 33 respectively, and lock the round nut 34 with the adjusting thread 333. Fix the positioning sleeve 35 with the round nut 34. Install the small bearing 32 and the large bearing 38 at both ends of the spindle respectively, and install the small bearing on the bearing seat 334. Place the installed spindle assembly 3 into the base 4, so that the small bearing 32 is placed on the small bearing seat 41 and the large bearing 38 is placed on the large bearing seat 45. At this time, the large gear 36 is exactly located in the large gear groove 44, and the round nut 34 is exactly located in the round nut adjusting groove 43.

[0037] The driving pinion 64 and the driven gear 65 are fixedly connected to the intermediate shaft 66 respectively. A spacer 63 is installed on the intermediate shaft 66, and a self-aligning roller bearing 62 is installed on the outside of the spacer 63. After installation, the installed intermediate shaft assembly 6 is placed in the base 4, and the self-aligning roller bearing 62 is placed in the intermediate bearing seat 48. At this time, the driving pinion 64 meshes with the gear 36.

[0038] Install the drive gear 75 into the input shaft 71, and put the singing sleeve 74 and the short spacer 76 into the corresponding positions of the input shaft 71 respectively. Install the input bearings 73 at both ends of the input shaft 71, and put the assembled input shaft assembly 7 into the base 4. Put the input bearings 73 into the input bearing seat 47. At this time, the drive gear 75 just meshes with the driven large gear 65.

[0039] After all the above installations are completed, place the upper cover 2 on the base 4, aligning the gear groove 22 with the large gear groove 44, the intermediate bearing groove 24 with the intermediate bearing seat 48, the input bearing groove 25 with the input bearing seat 47, and the large bearing groove 23 with the large bearing seat 45. Then, lock the upper cover 2 and the base 4. Place the cover plate 1 on the base 4, aligning the bearing groove 11 with the small bearing seat 41 and the round nut groove 12 with the round nut adjusting groove 43. Make the connecting end face 13 fit with the end face 21. Finally, install the movable cover 31, the output cover 39, the end cover 61, and the bearing pressure cover with shaft hole 72 in their respective positions. Then, install the drive motor 5 on the motor mounting base 42 and use a coupling to connect the motor output shaft and the input shaft 71.

[0040] During operation, the hydraulic cylinder is installed at the hydraulic cylinder mounting hole 335, and the hydraulic cylinder piston rod is connected to the tensioner through the center hole 336. A trolley is installed at the support leg 46 to assist in feeding and speed up the work.

[0041] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A novel uncoiler gearbox, characterized in that: The assembly includes a cover plate (1), an upper cover (2), a main shaft assembly (3), a base (4), a drive motor (5), an intermediate shaft assembly (6), and an input shaft assembly (7). The cover plate (1) is located on one side of the base (4) and is fixedly connected to the base (4) by bolts. The upper cover (2) is located on the upper side of the base (4) and is fixedly connected to the cover plate (1). A sealing gasket is provided between the upper cover (2) and the cover plate (1). The main shaft assembly (3) is located above the base (4) and is fixedly connected to the cover plate (1) and the upper cover (2). The drive motor (5) is located on the side of the base (4) and is fixedly connected to the input shaft assembly (7) by a coupling. The intermediate shaft assembly (6) and the input shaft assembly (7) are located between the upper cover (2) and the base (4).

2. A novel unwinder gearbox as claimed in claim 1 characterized in that: The cover plate (1) is provided with a bearing groove (11), a round nut groove (12) and a connecting end face (13). The bearing groove (11) is located at one end of the cover plate (1), and the connecting end face (13) is located at the other end of the cover plate (1). The connecting end face (13) is provided with a round nut groove (12) inside.

3. A new type of uncoiler gearbox as claimed in claim 1, characterized in that: The upper cover (2) is provided with an end face (21), a gear groove (22), a large bearing groove (23), an intermediate bearing groove (24), and an input bearing groove (25). The end face (21) is located on one side of the upper cover (2), the gear groove (22) is located on one side of the inner end face (21) of the upper cover (2), the large bearing groove (23) is located on the other side of the end face (21), and a positioning boss is provided in the large bearing groove (23). The intermediate bearing groove (24) is located between the large bearing groove (23) and the input bearing groove (25), and a positioning boss is provided in the intermediate bearing groove (24). The input bearing groove (25) is located at the other end of the upper cover (2), and a positioning boss is provided in the input bearing groove (25).

4. A new type of uncoiler gearbox as claimed in claim 1, characterized in that: The main spindle assembly (3) is provided with a movable cover (31), a small bearing (32), a main spindle (33), a round nut (34), a positioning sleeve (35), a large gear (36), an adjusting sleeve (37), a large bearing (38), and an output cover (39). The movable cover (31) is located at one end of the small shaft of the main spindle (33). The small bearing (32) is fixedly connected to the movable cover (31). The round nut (34) is located in the middle of the main spindle (33). One end of the positioning sleeve (35) is fixedly connected to the round nut (34), and the other end is fixedly connected to the large gear (36). One end of the adjusting sleeve (37) is fixedly connected to the large gear (36), and the other end is fixedly connected to the inner ring of the large bearing (38). The inner ring of the large bearing (38) is fixedly connected to the output cover (39). The output cover (39) is fixedly connected to the upper cover (2) and the base (4) respectively by bolts.

5. A new type of uncoiler gearbox as claimed in claim 1, characterized in that: The main shaft (33) is provided with a connecting thread (331), a gear seat (332), an adjusting thread (333), a bearing seat (334), a cylinder mounting hole (335), and a center hole (336). The connecting thread (331) is located at one end of the main shaft (33), the gear seat (332) is located in the middle of the main shaft (33), the adjusting thread (333) is located on the side of the gear seat (332) away from the connecting thread (331), the bearing seat (334) is located at the other end of the main shaft (33), the cylinder mounting hole (335) is located on the end face of the main shaft (33), and the center hole (336) penetrates the center of the main shaft (33).

6. A novel uncoiler gearbox according to claim 1, characterized in that: The base (4) is provided with a small bearing seat (41), a motor mounting seat (42), a round nut adjustment slot (43), a large gear slot (44), a large bearing seat (45), a support leg (46), an input bearing seat (47), and an intermediate bearing seat (48). The small bearing seat (41) is located at one end of the base (4), the motor mounting seat (42) is located on one side of the base (4), the round nut adjustment slot (43) is located in the middle of the base (4), the large gear slot (44) is located on one side of the round nut adjustment slot (43), the large bearing seat (45) is located at the other end of the main body of the base (4), the support leg (46) is located on the lower side of the other end of the main body of the base (4), and the support leg (46) is connected to the main body of the base (4) by a rib plate. The input bearing seat (47) is located at the side extension position of the base (4), and the intermediate bearing seat (48) is also located at the side extension position of the base (4).

7. A new type of unwinder gearbox as claimed in claim 1, characterized by: The intermediate shaft assembly (6) includes an end cover (61), a self-aligning roller bearing (62), a spacer (63), a drive pinion (64), a driven gear (65), and an intermediate shaft (66). The end cover (61) is located at both ends of the intermediate shaft (66). The self-aligning roller bearing (62) is located inside the end cover (61). One end of the spacer (63) abuts against the inner ring of the self-aligning roller bearing (62), and the other end abuts against the drive pinion (64). The other end of the drive pinion (64) abuts against one end of the driven gear (65). The driven gear (65) abuts against another spacer (63). The self-aligning roller bearing (62), the spacer (63), the drive pinion (64), and the driven gear (65) are all concentric with the intermediate shaft (66).

8. A new type of unwinder gearbox according to claim 7, characterized by: The input shaft assembly (7) includes an input shaft (71), a perforated bearing cap (72), an input bearing (73), a long spacer (74), a drive gear (75), a short spacer (76), and an end cap (61). The input shaft (71) has a connecting shaft. The perforated bearing cap (72) is located on one side of the connecting shaft and inside the connecting shaft. The input bearing (73) abuts against the perforated bearing cap (72). One end of the long spacer (74) abuts against the inner ring of the input bearing (73), and the other end abuts against the drive gear (75). One end of the short spacer (76) abuts against the other end of the drive gear (75), and the other end abuts against another input bearing (73). The other end of the input shaft (71) has an end cap (61), which abuts against another input bearing (73).