Neodymium iron boron magnetic body unit

Abstract

The utility model discloses a neodymium-iron-boron magnetic body unit which comprises a neodymium-iron-boron magnet, an installation groove is formed in the neodymium-iron-boron magnet, an installation hole communicated with the installation groove is formed in the neodymium-iron-boron magnet, a rotating shaft is movably connected in the installation hole in a sleeved mode, and the end, located in the installation groove, of the rotating shaft is fixedly connected with a limiting plate. A plurality of universal balls are arranged between the limiting plate and the groove bottom of the mounting groove, a pin hole is formed in the shaft wall of the rotating shaft, the pin hole is located above the neodymium iron boron magnet, a U-shaped rod is movably sleeved with the pin hole, inner threaded pipes are fixedly connected to the two ends of the U-shaped rod, and the same screw is sleeved with the two inner threaded pipes in a threaded mode. According to the neodymium-iron-boron magnet suction cup, the abrasion speed of the neodymium-iron-boron magnet can be reduced, the problem that the strength of the connecting portion is reduced due to the fact that the neodymium-iron-boron magnet is abraded too fast is effectively solved, and the lifting safety of the neodymium-iron-boron magnet suction cup is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of neodymium iron boron magnets, in particular to a neodymium iron boron magnetic body unit. Background Art

[0002] NdFeB magnet is a strong magnet with high remanence, high coercive force and high magnetic energy product, so it is widely used. NdFeB magnet can be used as a lifting suction cup to lift magnetic metal goods.

[0003] The connection between the existing NdFeB magnet suction cup and the lifting device will rotate during the lifting process, which will cause the NdFeB magnet to gradually wear out after long-term use, resulting in reduced lifting safety of the NdFeB magnet suction cup. Utility Model Content

[0004] The purpose of the utility model is to provide a NdFeB magnetic unit to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The utility model provides a NdFeB magnetic body unit, comprising a NdFeB magnet, a mounting groove is provided on the NdFeB magnet, a mounting hole connected with the mounting groove is provided on the NdFeB magnet, a rotating shaft is movably sleeved in the mounting hole, one end of the rotating shaft located in the mounting groove is fixedly connected with a limiting plate, a plurality of universal balls are arranged between the limiting plate and the groove bottom of the mounting groove, a pin hole is provided on the shaft wall of the rotating shaft, the pin hole is located above the NdFeB magnet, a U-shaped rod is movably sleeved in the pin hole, both ends of the U-shaped rod are fixedly connected with internal threaded tubes, and the two internal threaded tubes are internally threadedly sleeved with the same screw.

[0007] Furthermore, a balance adjustment block is adsorbed on the upper side of the NdFeB magnet, and the material of the balance adjustment block is magnetic metal.

[0008] Furthermore, annular grooves are provided on the side wall on the upper side of the limiting plate and the bottom of the mounting groove, and the plurality of universal ball bearings are inserted into the two annular grooves.

[0009] Furthermore, a through hole is formed in the rod wall of the screw rod, and a push rod is fixedly sleeved in the through hole, and the push rod is located between the two internally threaded tubes.

[0010] Furthermore, a connecting piece is fixedly sleeved on the rod wall of the U-shaped rod, and a connecting hole is opened on the connecting piece.

[0011] Furthermore, a rubber ring is fixedly connected to the hole wall of the mounting hole, and one end of the rotating shaft passes through the rubber ring.

[0012] Furthermore, two reinforcing rods are symmetrically fixedly connected to the U-shaped rod, and the two reinforcing rods are respectively located at two bends of the U-shaped rod.

[0013] Furthermore, the lower edge of the NdFeB magnet is chamfered.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model provides NdFeB magnets, mounting grooves, mounting holes, rotating shafts, limiting plates, universal balls, pin holes, U-shaped rods, internally threaded tubes and screw rods. When the NdFeB magnets rotate, the NdFeB magnets rotate relative to the rotating shaft, and no friction is generated between the rotating shaft and the NdFeB magnets. The NdFeB magnets drive a plurality of universal balls to rotate on the limiting plates. The plurality of universal balls can convert the original sliding friction into rolling friction. Under the same external environment, the friction resistance of the rolling friction is much smaller than the friction resistance of the sliding friction, thereby reducing the friction resistance between the limiting plate and the NdFeB magnets, thereby reducing the wear rate of the NdFeB magnets, effectively avoiding the problem of reduced strength of the connection parts due to excessive wear of the NdFeB magnets, and effectively improving the lifting safety of the NdFeB magnet suction cups. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is the front view of the utility model;

[0018] Figure 3 for Figure 1 Schematic diagram of the structure of the middle U-shaped rod;

[0019] Figure 4 for Figure 1 Schematic diagram of the connection structure between the transfer shaft and the limit plate;

[0020] Figure 5 for Figure 1 Schematic diagram of the structure of NdFeB magnet.

[0021] In the figure: 1. NdFeB magnet; 2. Mounting slot; 3. Mounting hole; 4. Rotating shaft; 5. Limiting plate; 6. Universal ball bearing; 7. Pin hole; 8. U-shaped rod; 9. Internally threaded tube; 10. Screw; 11. Balance adjustment block; 12. Annular groove; 13. Push rod; 14. Connector; 15. Connecting hole; 16. Rubber ring; 17. Reinforcement rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 The utility model provides a NdFeB magnetic body unit, including a NdFeB magnet 1, a mounting groove 2 is provided on the NdFeB magnet 1, a mounting hole 3 connected to the mounting groove 2 is provided on the NdFeB magnet 1, a rotating shaft 4 is movably sleeved in the mounting hole 3, one end of the rotating shaft 4 located in the mounting groove 2 is fixedly connected with a limiting plate 5, a plurality of universal balls 6 are arranged between the limiting plate 5 and the bottom of the mounting groove 2, a pin hole 7 is provided on the shaft wall of the rotating shaft 4, the pin hole 7 is located above the NdFeB magnet 1, a U-shaped rod 8 is movably sleeved in the pin hole 7, both ends of the U-shaped rod 8 are fixedly connected with internal threaded tubes 9, and the two internal threaded tubes 9 are internally threadedly sleeved with the same screw 10.

[0024] In the above embodiment, when the NdFeB magnet 1 rotates, the NdFeB magnet 1 rotates relative to the rotating shaft 4, and no friction is generated between the rotating shaft 4 and the NdFeB magnet 1. The NdFeB magnet 1 drives multiple universal balls 6 to rotate on the limit plate 5. The multiple universal balls 6 can convert the original sliding friction into rolling friction. Under the same external environment, the friction resistance of rolling friction is much smaller than the friction resistance of sliding friction, thereby reducing the friction resistance between the limit plate 5 and the NdFeB magnet 1, thereby reducing the wear speed of the NdFeB magnet 1, effectively avoiding the problem of reduced magnetic attraction strength due to excessive wear of the NdFeB magnet 1, and effectively improving the lifting safety of the NdFeB magnet suction cup.

[0025] A balance adjustment block 11 is adsorbed on the upper side of the NdFeB magnet 1 . The balance adjustment block 11 is made of magnetic metal. The balance of the NdFeB magnet 1 can be quickly adjusted by adjusting the position of the balance adjustment block 11 .

[0026] The side wall on the upper side of the limiting plate 5 and the bottom of the installation groove 2 are both provided with an annular groove 12 , and the plurality of universal balls 6 are inserted into the two annular grooves 12 , thereby improving the rolling stability of the universal balls 6 .

[0027] The rod wall of the screw rod 10 is provided with a through hole, and a push rod 13 is fixedly sleeved in the through hole. The push rod 13 is located between the two internal threaded tubes 9. The screw rod 10 can be rotated by pushing the push rod 13, which improves the convenience of operating the screw rod 10.

[0028] The rod wall of the U-shaped rod 8 is fixedly sleeved with a connecting piece 14, and the connecting piece 14 is provided with a connecting hole 15, which can improve the convenience of connecting the U-shaped rod 8 with other components.

[0029] A rubber ring 16 is fixedly connected to the hole wall of the mounting hole 3 , and one end of the rotating shaft 4 passes through the rubber ring 16 , which can prevent the rotating shaft 4 from generating contact friction with the NdFeB magnet 1 .

[0030] Two reinforcing rods 17 are symmetrically fixedly connected to the U-shaped rod 8 . The two reinforcing rods 17 are respectively located at two bending positions of the U-shaped rod 8 , so as to reinforce the U-shaped rod 8 and improve the structural strength of the U-shaped rod 8 .

[0031] The lower edge of the NdFeB magnet 1 is chamfered to improve the roundness of the lower side of the NdFeB magnet 1 .

[0032] Working principle: When the NdFeB magnet 1 rotates, the NdFeB magnet 1 rotates relative to the rotating shaft 4, and no friction is generated between the rotating shaft 4 and the NdFeB magnet 1. The NdFeB magnet 1 drives multiple universal ball bearings 6 to rotate on the limit plate 5. The multiple universal ball bearings 6 can convert the original sliding friction into rolling friction. Under the same external environment, the friction resistance of rolling friction is much smaller than the friction resistance of sliding friction, thereby reducing the friction resistance between the limit plate 5 and the NdFeB magnet 1, thereby reducing the wear speed of the NdFeB magnet 1, effectively avoiding the problem of reduced strength of the connection part due to excessive wear of the NdFeB magnet 1, and effectively improving the lifting safety of the NdFeB magnet suction cup.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A NdFeB magnetic unit, comprising a NdFeB magnet (1), characterized in that: The NdFeB magnet (1) is provided with a mounting groove (2), the NdFeB magnet (1) is provided with a mounting hole (3) connected to the mounting groove (2), a rotating shaft (4) is movably sleeved in the mounting hole (3), one end of the rotating shaft (4) located in the mounting groove (2) is fixedly connected to a limiting plate (5), a plurality of universal balls (6) are arranged between the limiting plate (5) and the groove bottom of the mounting groove (2), a pin hole (7) is provided on the shaft wall of the rotating shaft (4), the pin hole (7) is located above the NdFeB magnet (1), a U-shaped rod (8) is movably sleeved in the pin hole (7), both ends of the U-shaped rod (8) are fixedly connected to internal threaded tubes (9), and the two internal threaded tubes (9) are internally threadedly sleeved with the same screw (10).

2. A NdFeB magnetic unit according to claim 1, characterized in that: A balance adjustment block (11) is adsorbed on the upper side of the NdFeB magnet (1), and the balance adjustment block (11) is made of magnetic metal.

3. A NdFeB magnetic unit according to claim 2, characterized in that: The side wall on the upper side of the limiting plate (5) and the bottom of the installation groove (2) are both provided with an annular groove (12), and the plurality of universal balls (6) are inserted into the two annular grooves (12).

4. A NdFeB magnetic unit according to claim 3, characterized in that: A through hole is formed in the rod wall of the screw rod (10), and a push rod (13) is fixedly sleeved in the through hole. The push rod (13) is located between the two internally threaded tubes (9).

5. A NdFeB magnetic unit according to claim 4, characterized in that: A connecting piece (14) is fixedly sleeved on the rod wall of the U-shaped rod (8), and a connecting hole (15) is opened on the connecting piece (14).

6. A NdFeB magnetic unit according to claim 5, characterized in that: A rubber ring (16) is fixedly connected to the hole wall of the mounting hole (3), and one end of the rotating shaft (4) passes through the rubber ring (16).

7. A NdFeB magnetic unit according to claim 6, characterized in that: Two reinforcing rods (17) are symmetrically fixedly connected to the U-shaped rod (8), and the two reinforcing rods (17) are respectively located at two bending positions of the U-shaped rod (8).

8. A NdFeB magnetic unit according to claim 7, characterized in that: The lower edge of the NdFeB magnet (1) is chamfered.

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