Rolling module for producing metal bars

By designing a multi-roll rolling module, metal bars can be rolled simultaneously in both horizontal and vertical directions, solving the problems of unidirectional rolling and difficulty in diameter adjustment in existing technologies, thus improving production efficiency and ease of operation.

CN115846401BActive Publication Date: 2026-03-27YUNNAN QUJING IRON & STEEL GRP FENGHUANG IRON & STEEL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-16
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In existing technologies, metal bar production can only be rolled in one direction, and it is difficult to adjust the diameter after rolling, making the operation complex and time-consuming.

Method used

Design a rolling module that uses the same circular gap between the first and fourth rolling mechanisms, and different gaps between the second and third rolling mechanisms, to achieve rolling of metal in both horizontal and vertical directions. Different rolling mechanisms can be selected for rolling as needed.

Benefits of technology

It enables one-time forming of metal rods, is simple to operate, has a fast forming speed, is flexible in use, has high production efficiency, and can adapt to different diameter requirements.

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Abstract

The application relates to the technical field of rolling modules, and discloses a rolling module for producing metal bars, which comprises a main body mechanism, the main body mechanism comprises a support frame, the surface of the support frame is provided with a collection switch, the left side of the support frame is connected with a main shaft, the rear of the support frame is provided with a baffle, the support frame is provided with two groups, a rotating mechanism is arranged between the two groups of support frames, and the rotating mechanism can rotate to conveniently roll metal bars with different diameters in the rotating mechanism. The rolling module for producing metal bars is characterized in that the circular clearance reserved by the first rolling mechanism and the fourth rolling mechanism is of the same size, so that the metal is simultaneously rolled in the horizontal direction and the vertical direction, the metal is once formed through rolling, the circular apertures reserved in the first rolling mechanism, the second rolling mechanism and the third rolling mechanism are of different sizes, and the user can use according to the needs, three groups of the first rolling mechanism and other components can be simultaneously rotated and used, so that the metal can be batch-formed.
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Description

Technical Field

[0001] This invention relates to the field of rolling module technology, specifically a rolling module for producing metal bars. Background Technology

[0002] Currently, the production and forming of metal rods generally involves plastic deformation caused by pressure under the action of rollers. Roll forming can not only change the structural density of metal rods, but also increase their hardness.

[0003] Currently, metal rolling can only roll the metal in the vertical or horizontal direction. After rolling, the direction of the rolled metal is changed and the rolling operation is repeated. This is not only complicated but also time-consuming. In addition, although the distance between the rolls can be adjusted during metal rolling, the metal bar is circular. Simply adjusting the distance between the rolls cannot adjust the diameter of the rolled metal bar. It is necessary to roll it repeatedly in multiple directions to achieve the final required diameter. The operation is cumbersome and cannot meet the usage requirements. Summary of the Invention

[0004] Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this invention provides a rolling module for producing metal bars. By using a circular gap of the same size reserved in the first rolling mechanism and the fourth rolling mechanism, the metal is simultaneously rolled in both horizontal and vertical directions, forming the metal in a single rolling operation. The circular gaps inside the first, second, and third rolling mechanisms are of different sizes, allowing the user to switch to the appropriate diameter of the first, second, or third rolling mechanism as needed. All three sets of components—the first, second, and third rolling mechanisms—can rotate and be used simultaneously, enabling mass production of metal bars. This solves the problems of metal only being able to be rolled in one direction and the difficulty in adjusting the diameter of the rolled metal bars.

[0006] Technical solution

[0007] To achieve the above objectives, the present invention provides the following technical solution: a rolling module for producing metal bars, comprising a main body, the main body including a support frame, a collection switch mounted on the surface of the support frame, a main shaft connected to the left side of the support frame, and a baffle mounted at the rear of the support frame;

[0008] The support frame is provided in two sets, and a rotating mechanism is installed between the support frames. The rotating mechanism can rotate to facilitate the rolling of metal rods of different diameters. The rotating mechanism has a first rolling mechanism and a fourth rolling mechanism installed inside. The rotating mechanism and the fourth rolling mechanism cause the metal rod to be squeezed in different directions during rolling, so that the metal rod can be formed in one step.

[0009] Preferably, the rotating mechanism includes a first connecting block, which is installed between the main shafts. A second motor is installed on the right side surface of the first connecting block, and a third motor is installed on the left side surface of the first connecting block. The rotating mechanism also includes bolts. A protective plate is installed on the surface of the first connecting block by the bolts. Two sets of first connecting blocks are provided. The protective plates are evenly distributed on the surface of the first connecting block. Labels are evenly installed on the surface of the first connecting block. A first support rod is evenly connected to the other side surface of the first connecting block. A second support rod is fixed to the left side surface of the first connecting block. A limit ball is connected to the end of the second support rod.

[0010] Preferably, a power mechanism is installed on the right side of the support frame. The power mechanism includes a first motor and a protective shell. The first motor is installed on the surface of the protective shell, which is installed on the right side surface of the support frame. The output end of the first motor is connected to a limiting disk. A turntable is fixed on one side surface of the limiting disk, and a sensing column is fixed on the surface of the turntable. A worm gear is connected to the other side surface of the turntable. The power mechanism also includes a limiting block. The upper part of the turntable abuts against the lower part of the limiting block. A main shaft is connected to the surface of the limiting block near the support frame, and a worm gear is sleeved on the surface of the main shaft.

[0011] Preferably, the output end of the second motor is connected to a first rolling mechanism. The first rolling mechanism includes a first gear, and a first rotating shaft is inserted inside the first gear. The end of the first rotating shaft is fixedly connected to the output end of the second motor. A first rolling wheel is installed on the surface of the first rotating shaft, and a second gear is installed on the other side surface of the first rotating shaft. The first rolling mechanism is provided in two sets.

[0012] Preferably, a fourth rolling mechanism is mounted on the surface of the first connecting block. The fourth rolling mechanism includes a second connecting block, a fourth motor is installed inside the second connecting block, and the output end of the fourth motor is connected to a third rotating shaft. The second connecting block is fixed to the surface of the first connecting block, and a support block is connected to the surface of the third rotating shaft. The support block is fixed to the surface of the first connecting block. A fifth gear is sleeved above the third rotating shaft, and a third rolling wheel is mounted at the center of the surface of the third rotating shaft. A bevel gear is connected below the third rotating shaft.

[0013] The fifth rolling mechanism is connected below the fourth rolling mechanism, and the sixth rolling mechanism is connected below the fifth rolling mechanism. The fifth rolling mechanism and the fourth rolling mechanism are connected by another set of bevel gears. Similarly, the sixth rolling mechanism and the fifth rolling mechanism are connected by another set of bevel gears.

[0014] Preferably, a second rolling mechanism is connected above the first rolling mechanism, and a third rolling mechanism is connected in front of the second rolling mechanism. The third rolling mechanism includes a second rotating shaft, which is installed between the first connecting blocks. A third gear is sleeved on the right side surface of the second rotating shaft, and a fourth gear is sleeved on the left side surface of the second rotating shaft. A second rolling wheel is installed at the center of the surface of the second rotating shaft.

[0015] Beneficial effects

[0016] Compared with the prior art, the present invention provides a rolling module for producing metal bars, which has the following advantages:

[0017] 1. When using this invention, the size of the circular gap reserved by the first rolling mechanism is the same as the size of the circular gap reserved by the fourth rolling mechanism. At the same time, the second rolling mechanism corresponds to the fifth rolling mechanism, and the third rolling mechanism corresponds to the sixth rolling mechanism. Furthermore, the first rolling mechanism and the fourth rolling mechanism roll the metal in different directions, so that the metal is rolled in both horizontal and vertical directions at the same time. The metal is formed in one rolling process, which is simple to operate and has a fast forming speed.

[0018] 2. The first, second, and third rolling mechanisms of this invention have different sizes of pre-reserved circular holes. Users can switch to the first, second, or third rolling mechanism of the corresponding diameter as needed. The positions of the first and fourth rolling mechanisms are also corresponding. Metal can be rolled from the position of the first rolling mechanism or the position of the fourth rolling mechanism. Similarly, the corresponding protective plate can be selected according to the label. The equipment is flexible to use and quick to operate.

[0019] 3. The power mechanism provided in this invention enables the protective plate to rotate in an directional manner through the transmission of internal components. The protective plate can be rotated to the required angle as needed. In addition, the three sets of first rolling mechanism, second rolling mechanism and third rolling mechanism can rotate and be used simultaneously, enabling mass production of metal. Furthermore, the first rolling mechanism, second rolling mechanism and third rolling mechanism can be installed according to the factory's needs, which can increase the production capacity and greatly improve the production efficiency. Attached Figure Description

[0020] Figure 1This is a schematic diagram of a rolling module structure for producing metal bars according to the present invention;

[0021] Figure 2 This is a rear view schematic diagram of a rolling module for producing metal bars according to the present invention.

[0022] Figure 3 This is a rear exploded view of the rolling module for producing metal bars according to the present invention.

[0023] Figure 4 This is a schematic diagram of the power mechanism structure in a rolling module for producing metal bars according to the present invention.

[0024] Figure 5 This is a schematic diagram of the rotating mechanism and the third rolling mechanism in a rolling module for producing metal bars according to the present invention.

[0025] Figure 6 This is a schematic diagram of the power mechanism and the third rolling mechanism in a rolling module for producing metal bars according to the present invention.

[0026] Figure 7 This is a schematic diagram of the power mechanism and the third rolling mechanism in a rolling module for producing metal bars according to the present invention.

[0027] Figure 8 This is a schematic diagram of the power mechanism and the first rolling mechanism in a rolling module for producing metal bars according to the present invention.

[0028] Figure 9 This is a schematic diagram of the fourth rolling mechanism in a rolling module for producing metal bars proposed in this invention.

[0029] In the diagram: 1. Main body; 11. Support frame; 12. Combined switch; 13. Main shaft; 14. Baffle; 2. Power mechanism; 21. First motor; 22. Protective shell; 23. Induction column; 24. Turntable; 25. Limiting disc; 26. Limiting block; 27. Worm gear; 28. Worm; 3. Rotation mechanism; 31. First connecting block; 32. Second motor; 33. Protective plate; 34. Bolt; 35. Third motor; 36. Label; 37. First support rod; 38. Second support rod; 39. Limiting ball; 4. First rolling mechanism; 41. First gear; 42. First rolling wheel; 43. Second gear; 44. First rotating shaft; 5. Second rolling mechanism; 6. Third rolling mechanism; 61. Second rotating shaft; 62. Third gear; 63. Second rolling wheel; 64. Fourth gear; 7. Fourth rolling mechanism; 71. Second connecting block; 72. Fourth motor; 73. Fifth gear; 74. Third rolling wheel; 75. Support block; 76. Third rotating shaft; 77. Bevel gear; 8. Fifth rolling mechanism; 9. Sixth rolling mechanism. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Example 1:

[0032] See attached document Figure 1-9 A rolling module for producing metal bars includes a main body 1, which includes a support frame 11. A collection switch 12 is installed on the surface of the support frame 11. The collection switch 12 is existing technology and can control the electrical components inside the equipment. A main shaft 13 is connected to the left side of the support frame 11. A baffle 14 is installed at the rear of the support frame 11. The baffle 14 has holes to facilitate metal conveying.

[0033] The support frame 11 is provided in two sets, and a rotating mechanism 3 is installed between the support frames 11. The rotating mechanism 3 can rotate to facilitate the rolling of metal rods of different diameters inside the rotating mechanism 3. The first rolling mechanism 4 and the fourth rolling mechanism 7 are installed inside the rotating mechanism 3 respectively. The rotating mechanism 3 and the fourth rolling mechanism 7 cause the metal rod to be squeezed in different directions during rolling, so that the metal rod can be formed in one step.

[0034] A power mechanism 2 is installed on the right side of the support frame 11. The power mechanism 2 includes a first motor 21 and a protective shell 22. The first motor 21 is mounted on the surface of the protective shell 22, which is mounted on the right side surface of the support frame 11. The output end of the first motor 21 is connected to a limiting disk 25. A turntable 24 is fixed to one side surface of the limiting disk 25, and a sensing post 23 is fixed to the surface of the turntable 24. The sensing post 23 is existing technology. The control switch 12 can control the rotation of the sensing post 23. The other side surface of the turntable 24 is connected to a worm gear 28, which meshes with a worm wheel 27. The worm wheel 27 and the worm gear 28 are self-locking for easy use. The power mechanism 2 also includes a limiting block 26. The upper part of the turntable 24 abuts against the lower part of the limiting block 26. The surface of the limiting block 26 is evenly provided with notches, the size of which is adapted to the sensing column 23. The surface of the limiting block 26 near the support frame 11 is connected to a main shaft 13, and the surface of the main shaft 13 is fitted with a worm wheel 27.

[0035] The rotating mechanism 3 includes a first connecting block 31, which is installed between the main shafts 13. A second motor 32 is installed on the right side surface of the first connecting block 31, and a third motor 35 is installed on the left side surface of the first connecting block 31. The simultaneous use of the second motor 32 and the third motor 35 allows the first rolling mechanism 4 and other components to work simultaneously, ensuring the stability of the operation. The rotating mechanism 3 also includes bolts 34. A protective plate 33 is installed on the surface of the first connecting block 31 by the bolts 34. There are two sets of first connecting blocks 31. The protective plates 33 are evenly distributed on the surface of the first connecting block 31. The protective plates 33 have round holes inside to facilitate metal conveying. Label stickers 36 are evenly installed on the surface of the first connecting block 31. A first support rod 37 is evenly connected to the other side surface of the first connecting block 31. A second support rod 38 is fixed to the left side surface of the first connecting block 31. The end of the second support rod 38 is connected to a limit ball 39.

[0036] In use, the corresponding protective plate 33 is selected according to the diameter of the metal rod to be rolled. The collection switch 12 is turned on to control the first motor 21 to work. The first motor 21 drives the limiting disk 25 and the turntable 24 to rotate through the output shaft. The turntable 24 drives the worm 28 to rotate. The worm 28 meshes with the worm wheel 27. The worm 28 drives the worm wheel 27 to rotate. The worm wheel 27 drives the limiting block 26 and the first connecting block 31 to rotate through the main shaft 13. At the same time as the turntable 24 rotates, it drives the sensing column 23 to rotate. When the sensing column 23 rotates to the notch of the limiting block 26, the sensing column 23 further drives the limiting block 26 to rotate, making the rotation of the limiting block 26 more stable. One rotation of the sensing column 23 drives the first connecting block 31 to rotate 60 degrees. The sensing column 23 is rotated a corresponding number of times as needed. The corresponding label 36 is observed, and the corresponding protective plate 33 is used to roll the metal.

[0037] Example 2: The difference from Example 1 is that;

[0038] See attached document Figure 5-8 The output end of the second motor 32 is connected to the first rolling mechanism 4. The first rolling mechanism 4 includes a first gear 41, and a first rotating shaft 44 is inserted inside the first gear 41. The end of the first rotating shaft 44 is fixedly connected to the output end of the second motor 32. A first rolling wheel 42 is installed on the surface of the first rotating shaft 44, and a second gear 43 is installed on the other side surface of the first rotating shaft 44. The first rolling mechanism 4 is provided in two sets, and a circular gap is formed between the two sets of the first rolling mechanism 4 to facilitate rolling metal.

[0039] A second rolling mechanism 5 is connected above the first rolling mechanism 4, and a third rolling mechanism 6 is connected in front of the second rolling mechanism 5. The third rolling mechanism 6 includes a second rotating shaft 61, which is installed between the first connecting blocks 31. A third gear 62 is sleeved on the right side surface of the second rotating shaft 61, and a fourth gear 64 is sleeved on the left side surface of the second rotating shaft 61. A second rolling wheel 63 is installed at the center of the surface of the second rotating shaft 61. There are two sets of third rolling mechanisms 6, and a circular gap is formed between the two sets of third rolling mechanisms 6. The size of the gap between the third rolling mechanisms 6 is different from the size of the gap between the first rolling mechanisms 4.

[0040] The first rolling mechanism 4 of this invention controls the second motor 32 via a set switch 12. The second motor 32 drives the first rotating shaft 44 to rotate via its output shaft. The first rotating shaft 44 drives the first gear 41, the first rolling wheel 42, and the second gear 43 to rotate simultaneously. Through the meshing of the two sets of first gears 41 and second gears 43, the two sets of first rolling wheels 42 rotate in opposite directions simultaneously, allowing the two sets of first rolling wheels 42 to roll metal in the up and down directions. Similarly, the first gear 41 drives the two sets of second rolling mechanisms 5 to rotate, and the second rolling mechanisms 5 drive the two sets of third rolling mechanisms 6 to rotate. After being rolled, the metal passes through the limiting ball 39. The diameter of the pre-reserved circular hole between the two sets of first rolling wheels 42 is different from the diameter of the pre-reserved circular hole between the second rolling mechanism 5 and the third rolling mechanism 6. Depending on the needs, the corresponding first rolling mechanism 4, second rolling mechanism 5, or third rolling mechanism 6 can be used to roll the metal, allowing the equipment to roll metal bars of different diameters.

[0041] Example 3: The difference from Example 1 is that;

[0042] See attached document Figure 9 A fourth rolling mechanism 7 is mounted on the surface of the first connecting block 31. The fourth rolling mechanism 7 includes a second connecting block 71. A fourth motor 72 is installed inside the second connecting block 71. The output end of the fourth motor 72 is connected to a third rotating shaft 76. The second connecting block 71 is fixed to the surface of the first connecting block 31. A support block 75 is connected to the surface of the third rotating shaft 76. The support block 75 is fixed to the surface of the first connecting block 31. A fifth gear 73 is sleeved above the third rotating shaft 76. A third rolling wheel 74 is installed at the center of the surface of the third rotating shaft 76. A circular gap is formed between the two sets of third rolling wheels 74. The size of the gap between the third rolling wheels 74 is the same as the size of the gap between the first rolling mechanism 4. The first rolling mechanism 4 and the fourth rolling mechanism 7 facilitate omnidirectional rolling of metal. A bevel gear 77 is connected below the third rotating shaft 76.

[0043] The fifth rolling mechanism 8 is connected below the fourth rolling mechanism 7, and the sixth rolling mechanism 9 is connected below the fifth rolling mechanism 8. The fifth rolling mechanism 8 and the fourth rolling mechanism 7 are connected by another set of bevel gears 77. Similarly, the sixth rolling mechanism 9 and the fifth rolling mechanism 8 are connected by another set of bevel gears 77.

[0044] The fourth rolling mechanism 7 of this invention, in use, controls the fourth motor 72 to work through the collection switch 12. The fourth motor 72 drives the fifth gear 73 to rotate through the output shaft. The fifth gear 73 drives the third rotating shaft 76 to rotate, thereby causing the third rolling wheel 74 and the bevel gear 77 to rotate simultaneously. The rotation of the second connecting block 71 drives another set of fifth gears 73 to rotate, causing the two sets of third rolling wheels 74 to rotate in opposite directions simultaneously. After the metal is conveyed by the limit ball 39, it is then rolled horizontally by the two sets of third rolling wheels 74, allowing the metal to be formed in one step. In addition, the bevel gear 77 drives the fifth rolling mechanism 8 to rotate through another set of bevel gears 77. Similarly, the fifth rolling mechanism 8 drives the sixth rolling mechanism 9 to rotate. The diameter of the pre-reserved circular hole between the first rolling mechanism 4 and the fourth rolling mechanism 7 is the same. The second rolling mechanism 5 corresponds to the third rolling mechanism 6, and the third rolling mechanism 6 corresponds to the sixth rolling mechanism 9. The metal is formed by horizontal and vertical pressure rolling, and batch rolling of metal is possible. The operation is simple and quick, and the forming efficiency is high.

[0045] It should be noted that the term "comprising" or any other variation thereof is intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0046] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rolling module for the production of metal bars, comprising a main body (1), characterized in that: The main body mechanism (1) includes a support frame (11), the surface of the support frame (11) is mounted with a collection switch (12), the left side of the support frame (11) is connected with a main shaft (13), and the rear of the support frame (11) is mounted with a baffle (14); The support frame (11) is provided with two groups, a rotating mechanism (3) is mounted between the support frames (11), the rotating mechanism (3) rotates to facilitate rolling metal bars of different diameters, first rolling mechanisms (4) and fourth rolling mechanisms (7) are respectively mounted in the inner portions of the rotating mechanism (3), the first rolling mechanisms (4) and the fourth rolling mechanisms (7) make the metal bars be extruded in different directions when rolling, and the metal bars are formed at one time; The rotating mechanism (3) includes a first connecting block (31), the first connecting block (31) is mounted between the main shafts (13), a second motor (32) is mounted on the right side surface of the first connecting block (31), a first rolling mechanism (4) is connected to the output end of the second motor (32), the first rolling mechanism (4) includes a first gear (41), a first rotating shaft (44) is inserted into the inside of the first gear (41), the distal end of the first rotating shaft (44) is fixedly connected with the output end of the second motor (32), a first rolling wheel (42) is mounted on the surface of the first rotating shaft (44), a second gear (43) is mounted on one side surface of the first rotating shaft (44), the rotating mechanism (3) is provided with two groups of first rolling mechanisms (4), the rotating mechanism (3) further includes bolts (34), the surface of the first connecting block (31) is mounted with a protective plate (33) through the bolts (34), the first connecting block (31) is provided with two groups, the surface of the first connecting block (31) is uniformly distributed with the protective plates (33), a first supporting rod (37) is uniformly connected to one side surface of the first connecting block (31), a second supporting rod (38) is fixed to one side surface of the first connecting block (31), and the distal end of the second supporting rod (38) is connected with a limiting ball (39); The first rolling mechanism (4) is connected with a second rolling mechanism (5) above, the second rolling mechanism (5) is connected with a third rolling mechanism (6) in front, the third rolling mechanism (6) includes a second rotating shaft (61), the second rotating shaft (61) is mounted between the first connecting blocks (31), a third gear (62) is sleeved on the right side surface of the second rotating shaft (61), a fourth gear (64) is sleeved on the left side surface of the second rotating shaft (61), a second rolling wheel (63) is mounted on the surface center position of the second rotating shaft (61), the first gear (41) drives two groups of second rolling mechanisms (5) to rotate, and the second rolling mechanism (5) drives two groups of third rolling mechanisms (6) to rotate; The surface of the first connecting block (31) is provided with a fourth rolling mechanism (7), the fourth rolling mechanism (7) comprises a second connecting block (71), the inside of the second connecting block (71) is provided with a fourth motor (72), the output end of the fourth motor (72) is connected with a third rotating shaft (76), the second connecting block (71) is fixed on the surface of the first connecting block (31), the surface of the third rotating shaft (76) is connected with a supporting block (75), the supporting block (75) is fixed on the surface of the first connecting block (31), the upper portion of the third rotating shaft (76) is sleeved with a fifth gear (73), and the surface center of the third rotating shaft (76) is provided with a third rolling wheel (74), and the lower portion of the third rotating shaft (76) is connected with a bevel gear (77). The lower portion of the fourth rolling mechanism (7) is connected with a fifth rolling mechanism (8), the lower portion of the fifth rolling mechanism (8) is connected with a sixth rolling mechanism (9), the fifth rolling mechanism (8) and the fourth rolling mechanism (7) are connected through the bevel gear (77), and the sixth rolling mechanism (9) and the fifth rolling mechanism (8) are connected through the bevel gear (77).

2. A rolling module for producing metal bars according to claim 1, characterized in that: The right side of the supporting frame (11) is provided with a power mechanism (2), the power mechanism (2) comprises a first motor (21) and a protective shell (22), the first motor (21) is installed on the surface of the protective shell (22), the protective shell (22) is installed on the right side surface of the supporting frame (11), the output end of the first motor (21) is connected with a limiting disc (25), one side surface of the limiting disc (25) is fixedly connected with a rotating disc (24), the surface of the rotating disc (24) is fixedly connected with an induction column (23), the other side surface of the rotating disc (24) is connected with a worm (28), the power mechanism (2) further comprises a limiting block (26), the upper portion of the rotating disc (24) abuts against the lower portion of the limiting block (26), and the surface of the limiting block (26) is connected with a main shaft (13) close to the surface of the supporting frame (11), the surface of the main shaft (13) is sleeved with a worm wheel (27).

Citation Information

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