Mixing equipment for neodymium iron boron magnetic powder

Abstract

The utility model belongs to the technical field of mixing instruments, and particularly relates to neodymium iron boron magnetic powder mixing equipment which comprises a mixing tank body, an auxiliary material quantitative feeding mechanism, a main stirring structure and a secondary stirring structure, a main material feeding port and an auxiliary material feeding port are formed in the upper end of the mixing tank body, and a mixed material discharging port is formed in the lower end of the mixing tank body. The main stirring structure is arranged in the material mixing tank body, a secondary stirring structure is arranged at the bottom of the material mixing tank body and located below the main stirring structure, the auxiliary material quantitative feeding mechanism comprises a first motor, a discharging box piece and a quantitative feeding assembly, the discharging box piece is arranged at an auxiliary material feeding port, and the quantitative feeding assembly is rotationally connected into the discharging box piece; the first motor is arranged on the side wall of the mixing tank, and the output end of the first motor is connected with the quantitative feeding assembly. According to the device, auxiliary materials can be conveniently and quantitatively fed so as to meet the requirement for mixing neodymium-iron-boron magnetic powder with a certain volume, mixing is uniform, the mixing effect and the final quality of a mixture are improved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mixing equipment, and in particular relates to a mixing device for neodymium iron boron magnetic powder. Background Art

[0002] During the production process of NdFeB magnetic powder, auxiliary materials such as antioxidants and lubricants need to be added and fully mixed first, so that the auxiliary materials can be evenly coated on the surface of the NdFeB particles to play an anti-oxidation and lubrication role, and then oriented molding is carried out.

[0003] The patent, with the announcement number CN207769673U and titled "A NdFeB Magnetic Powder Mixer," discloses a NdFeB barrel, a NdFeB barrel mounting device, a drum, a device for supporting the drum's rotation, and a motor. The NdFeB barrel is tilted inside the drum via the NdFeB barrel mounting device. The machine can directly mix the NdFeB barrel loaded with material from the previous process. After mixing is complete, the NdFeB barrel can be removed and the machine can quickly proceed to the next process, saving time and improving efficiency.

[0004] However, the defect is that the auxiliary materials cannot be fed in a quantitative manner during the NdFeB magnetic powder mixing process to meet the mixing requirements of a certain volume of NdFeB magnetic powder, resulting in poor mixing effect and mixture quality. Therefore, based on the above defects, the applicant proposed a better technical solution to solve the above technical problems.

[0005] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as an admission or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. Utility Model Content

[0006] The utility model aims to solve the above-mentioned technical problems and provides a device for mixing NdFeB magnetic powder, which mainly solves the technical problem in the prior art that in the process of mixing NdFeB magnetic powder, auxiliary materials cannot be fed in a quantitative manner to meet the mixing requirements of a certain volume of NdFeB magnetic powder, resulting in poor mixing effect and mixed material quality.

[0007] In order to achieve the above-mentioned purpose, the technical solution of the utility model is:

[0008] A mixing device for NdFeB magnetic powder, comprising a mixing tank, an auxiliary material quantitative feeding mechanism, a main stirring structure and a secondary stirring structure.

[0009] The upper end of the mixing tank body is provided with a main material feed port and an auxiliary material feed port, the lower end of the mixing tank body is provided with a mixing material discharge port, the main stirring structure is provided in the mixing tank body, and the secondary stirring structure is provided at the bottom of the mixing tank body below the main stirring structure.

[0010] The auxiliary material quantitative feeding mechanism includes a first motor, a discharge box and a quantitative feeding component. The discharge box is arranged at the auxiliary material feeding port. The quantitative feeding component is rotatably connected in the discharge box. The first motor is arranged on the side wall of the mixing tank, and its output end is connected to the quantitative feeding component.

[0011] Preferably, the quantitative feeding component includes a feeding tray and a dosing piece. The output end of the first motor is connected to the feeding tray. The feeding tray is rotatably connected to the discharge box, and its diameter is the same as the length of the discharge box. A plurality of feeding troughs are provided on the outer edge of the feeding tray, and a dosing piece is provided in each of the plurality of feeding troughs.

[0012] Preferably, the fixing part includes an electric telescopic rod, a U-shaped slide and a guide rod. An embedding cavity and a guide slide hole are opened in the feed trough. The electric telescopic rod is arranged in the embedding cavity, and its telescopic end is connected to the bottom of the U-shaped slide. One end of the guide rod is connected to the bottom of the U-shaped slide, and the other end is slid into the guide slide hole. The U-shaped slide is slid into the feed trough, and its two ends are respectively in contact with the two side walls of the feed trough.

[0013] Preferably, a guide slide cylinder is embedded in the guide slide hole, and the guide rod is slidably arranged in the guide slide cylinder.

[0014] Preferably, the main stirring structure includes a second motor, a main rotating shaft and multiple stirring blades. The second motor is arranged on the mixing tank body, and its output end extends into the mixing tank body and is connected to the main rotating shaft. The multiple stirring blades are distributed in a circular array on the main rotating shaft.

[0015] Preferably, a plurality of long material passing grooves are provided on the stirring blade at intervals.

[0016] Preferably, the secondary stirring structure includes a third motor and two groups of meshingly connected secondary stirring members, the two groups of secondary stirring members are connected to the bottom of the mixing tank body in an intermittent rotation manner, and the third motor is arranged on the side wall of the mixing tank body and is connected to one of the groups of secondary stirring members.

[0017] Preferably, the secondary stirring member includes a secondary rotating shaft, a rotating column and a plurality of rotating pieces arranged on the rotating column at intervals, and the rotating column is sleeved on the rotating shaft.

[0018] Preferably, the present invention further includes a driving gear and a driven gear, which are respectively arranged on the secondary rotating shafts of the two groups of secondary stirring members and are meshed and connected, and the third motor is connected to the secondary rotating shaft of one group of the secondary stirring members.

[0019] Due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0020] The utility model provides a device for mixing NdFeB magnetic powder, which has a simple structure and is easy to use. Independent main material feeding ports and auxiliary material feeding ports are arranged on a mixing tank body so that NdFeB magnetic powder and auxiliary materials can be added separately into the mixing tank body, and the two can be processed separately and quantitatively. The auxiliary material quantitative feeding mechanism provided therein is convenient for quantitative feeding of the auxiliary material, so as to meet the mixing requirements of a certain volume of NdFeB magnetic powder, mix evenly, improve the mixing effect and the final quality of the mixture, and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural diagram of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the quantitative feeding component of the utility model;

[0023] Figure 3 for Figure 2 A magnified cross-sectional view of point A;

[0024] Figure 4 This is a structural diagram of the secondary stirring member of the utility model.

[0025] The main component symbols in the figure are explained as follows:

[0026] 1. Mixing tank body; 11. Main material feed port; 12. Auxiliary material feed port; 13. Mixing material discharge port; 2. Auxiliary material quantitative feeding mechanism; 21. First motor; 22. Discharge box; 23. Quantitative feeding assembly; 231. Feeding tray; 232. Dosing member; 2321. Electric telescopic rod; 2322. U-shaped slide; 2323. Guide rod; 3. Main stirring structure; 31. Second motor; 32. Main rotating shaft; 33. Stirring blade; 331. Long trough for passing materials; 4. Secondary stirring structure; 41. Third motor; 42. Secondary stirring member; 421. Secondary rotating shaft; 422. Rotating column; 423. Rotating sheet; 5. Feeding trough; 51. Embedded cavity; 52. Guide slide hole; 6. Guide slide cylinder; 7. Driving gear; 8. Driven gear. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] Example

[0029] like Figures 1 to 4As shown, a kind of for neodymium iron boron magnetic powder mixing equipment, including mixing tank 1, auxiliary material quantitative feeding mechanism 2, main stirring structure 3 and secondary stirring structure 4, the upper end of mixing tank 1 is equipped with main material feeding port 11 and auxiliary material feeding port 12, the lower end of mixing tank 1 is equipped with mixing discharge port 13, main stirring structure 3 is arranged in mixing tank 1, is equipped with secondary stirring structure 4 in the bottom of mixing tank 1 below main stirring structure 3, auxiliary material quantitative feeding mechanism 2 includes first motor 21, unloading box piece 22 and quantitative feeding assembly 23, unloading box piece 22 is equipped at auxiliary material feeding port 12, quantitative feeding assembly 23 is rotatably connected in unloading box piece 22, first motor 21 is equipped on the side wall of mixing tank 1, and its output end is connected with quantitative feeding assembly 23.

[0030] The utility model discloses a separate main material feeding port 11 and auxiliary material feeding port 12 are arranged on mixing tank 1 to add neodymium iron boron magnetic powder and auxiliary material separately into mixing tank, and the both are conveniently separated and quantitatively handled, wherein the auxiliary material quantitative feeding mechanism 2 is conveniently used for the quantitative feeding of auxiliary material, to be applicable to the mixing demand of a certain capacity of neodymium iron boron magnetic powder, to improve mixing effect and the final quality of mixed material, and to improve work efficiency.

[0031] In the embodiment, referring to Figure 2 Quantitative feeding assembly 23 includes feeding disc 231 and material setting piece 232, the output end of first motor 21 is connected with feeding disc 231, feeding disc 231 is rotatably connected in unloading box piece 22, and the diameter thereof is same with the length of unloading box piece 22, a plurality of feeding grooves 5 are formed on the outer edge of feeding disc 231, and one material setting piece 232 is arranged in each feeding groove 5; in the application, four feeding grooves 5 are arranged, and in specific operation, feeding groove 5 can be used as a quantitative interval, and the capacity of quantitative interval can be adjusted by the operation of material setting piece 232, so that the quantitative feeding of auxiliary material is completed by rotating feeding disc 231 of first motor 21 and turning the feeding groove 5 containing material into mixing tank 1, to improve work efficiency.

[0032] Specifically, material setting piece 232 includes electric telescopic rod 2321, U-shaped slide 2322 and guide rod 2323, embedding cavity 51 and guide sliding hole 52 are formed in feeding groove 5, electric telescopic rod 2321 is arranged in embedding cavity 51, and the telescopic end thereof is connected with the bottom of U-shaped slide 2322, one end of guide rod 2323 is connected with the bottom of U-shaped slide 2322, and the other end is slidably arranged in guide sliding hole 52, U-shaped slide 2322 is slidably arranged in feeding groove 5, and the two ends thereof are respectively attached to the two side walls of feeding groove 5; U-shaped slide 2322 can be used as the carrier of auxiliary material; as to how to adjust the capacity of quantitative interval by material setting piece 232, the following operation can be performed, that is, the sliding of U-shaped slide 2322 in feeding groove 5 is driven by the telescopic operation of electric telescopic rod 2321, so that the size of quantitative interval is adjusted, and the quantitative feeding of auxiliary material is realized.

[0033] In addition, referring to Figure 3 The guide sliding hole 52 is embedded with a guide sliding cylinder 6, and the guide rod 2323 is slidably arranged in the guide sliding cylinder 6; the guide sliding cylinder 6 plays a role of assisting the guide rod 2323 to slide smoothly.

[0034] In the embodiment, referring to Figure 1 The main stirring structure 3 comprises a second motor 31, a main rotating shaft 32 and a plurality of stirring blades 33; the second motor 31 is arranged on the mixing tank body 1, and an output end of the second motor 31 extends into the mixing tank body 1 and is connected with the main rotating shaft 32; and the plurality of stirring blades 33 are arranged in a circular array on the main rotating shaft 32; specifically, a plurality of material passing long grooves 331 are arranged at intervals on the stirring blade 33; the main stirring structure 3 plays a role of primary stirring and mixing, and ensures that the main material, i.e. the neodymium-iron-boron magnetic powder, and the auxiliary material are uniformly mixed.

[0035] In the embodiment, referring to Figure 1 And Figure 4 The secondary stirring structure 4 comprises a third motor 41 and two groups of secondary stirring pieces 42 which are meshingly connected; the two groups of secondary stirring pieces 42 are rotationally connected at intervals at the bottom of the mixing tank body 1, and the third motor 41 is arranged on the side wall of the mixing tank body 1 and is connected with one of the two groups of secondary stirring pieces 42; specifically, the secondary stirring piece 42 comprises a secondary rotating shaft 421, a rotating column 422 and a plurality of rotating plates 423 which are arranged at intervals on the rotating column 422; the rotating column 422 is sleeved on the rotating shaft 421; the secondary stirring structure 4 plays a role of secondary stirring, is an extension after the primary stirring and mixing of the main stirring structure 3, and can delay the discharging rate of the mixed material, so as to prevent the mixed material from being in a stacking state during the discharging process and affecting the next process; meanwhile, the rotating plates 423 on one group of secondary stirring pieces 42 are arranged in a cross manner with the rotating plates 423 on the other group of secondary stirring pieces 42, so that the mixed material can be better stirred and mixed.

[0036] In addition, the utility model also includes a driving gear 7 and a driven gear 8; the driving gear 7 and the driven gear 8 are arranged on the secondary rotating shaft 421 of the two groups of secondary stirring pieces 42 respectively, and are meshingly connected; and the third motor 41 is connected with the secondary rotating shaft 421 of one of the two groups of secondary stirring pieces 42.

[0037] Working principle of the utility model:

[0038] The utility model provides a kind of for neodymium iron boron magnetic powder mixing equipment, when specific operation, a certain amount of neodymium iron boron magnetic powder is introduced by main material feed inlet 11, and the sliding of U-shaped slide piece 2322 in feed slot 5 is driven using electric telescopic rod 2321 telescopic operation, to reach the size of adjusting quantitative interval, finally through the rotation of first motor 21 feeding disc 231, and the quantitative feeding of auxiliary material is completed in mixing tank body 1 to the feed slot 5 that has been filled with material, and finally under the stirring mixing of main stirring structure 3 and secondary stirring structure 4, mixed material is formed and is exported to next process from mixing discharge port 13.

[0039] The utility model sets up independent main material feed inlet 11 and auxiliary material feed inlet 12 on mixing tank body 1 to facilitate adding neodymium iron boron magnetic powder and auxiliary material into mixing tank body 1 separately, facilitate the quantitative treatment of two separate, wherein the quantitative feeding mechanism 2 of auxiliary material is convenient for the quantitative feeding of auxiliary material, to be applicable to the mixing demand of a certain capacity of neodymium iron boron magnetic powder, mixed evenly to improve mixing effect and the final quality of mixed material, improve work efficiency.

[0040] The above description is detailed description for the preferred feasible embodiment of the utility model, but embodiment is not used to limit the patent application range of the utility model, any equivalent change or modification change completed under the technical spirit suggested by the utility model should belong to the patent range covered by the utility model.

Claims

1. A NdFeB magnetic powder mixing device, characterized in that: It comprises a mixing tank (1), an auxiliary material quantitative feeding mechanism (2), a main stirring structure (3) and a secondary stirring structure (4). The upper end of the mixing tank body (1) is provided with a main material feed port (11) and an auxiliary material feed port (12), and the lower end of the mixing tank body (1) is provided with a mixing material discharge port (13). The main stirring structure (3) is provided in the mixing tank body (1), and the secondary stirring structure (4) is provided at the bottom of the mixing tank body (1) below the main stirring structure (3). The auxiliary material quantitative feeding mechanism (2) comprises a first motor (21), a discharge box (22) and a quantitative feeding assembly (23); the discharge box (22) is arranged at the auxiliary material feeding port (12); the quantitative feeding assembly (23) is rotatably connected to the discharge box (22); the first motor (21) is arranged on the side wall of the mixing tank (1), and its output end is connected to the quantitative feeding assembly (23).

2. The NdFeB magnetic powder mixing device according to claim 1, characterized in that: The quantitative feeding component (23) comprises a feeding tray (231) and a dosing piece (232); the output end of the first motor (21) is connected to the feeding tray (231); the feeding tray (231) is rotatably connected to the discharge box (22); and its diameter is the same as the length of the discharge box (22); a plurality of feeding slots (5) are provided on the outer edge of the feeding tray (231); and each of the plurality of feeding slots (5) is provided with a dosing piece (232).

3. The NdFeB magnetic powder mixing device according to claim 2, characterized in that: The fixed material part (232) includes an electric telescopic rod (2321), a U-shaped slide (2322) and a guide rod (2323). The feed trough (5) is provided with an embedded cavity (51) and a guide slide hole (52). The electric telescopic rod (2321) is arranged in the embedded cavity (51), and its telescopic end is connected to the bottom of the U-shaped slide (2322). One end of the guide rod (2323) is connected to the bottom of the U-shaped slide (2322), and the other end is slidably arranged in the guide slide hole (52). The U-shaped slide (2322) is slidably arranged in the feed trough (5), and its two ends are respectively fitted with the two side walls of the feed trough (5).

4. The NdFeB magnetic powder mixing device according to claim 3, characterized in that: A guide slide cylinder (6) is embedded in the guide slide hole (52), and the guide rod (2323) is slidably arranged in the guide slide cylinder (6).

5. The NdFeB magnetic powder mixing device according to claim 1, characterized in that: The main stirring structure (3) comprises a second motor (31), a main rotating shaft (32) and a plurality of stirring blades (33); the second motor (31) is arranged on the mixing tank (1), and its output end extends into the mixing tank (1) and is connected to the main rotating shaft (32); the plurality of stirring blades (33) are distributed in a circular array on the main rotating shaft (32).

6. The NdFeB magnetic powder mixing device according to claim 5, characterized in that: The stirring blade (33) is provided with a plurality of long material passage slots (331) at intervals.

7. The NdFeB magnetic powder mixing device according to claim 1, characterized in that: The secondary stirring structure (4) comprises a third motor (41) and two groups of meshingly connected secondary stirring members (42), the two groups of secondary stirring members (42) being connected to the bottom of the mixing tank (1) in an intermittent rotation manner, and the third motor (41) being arranged on the side wall of the mixing tank (1) and connected to one group of the secondary stirring members (42).

8. The NdFeB magnetic powder mixing device according to claim 7, characterized in that: The secondary stirring member (42) comprises a secondary rotating shaft (421), a rotating column (422) and a plurality of rotating pieces (423) arranged at intervals on the rotating column (422), and the rotating column (422) is sleeved on the rotating shaft.

9. The NdFeB magnetic powder mixing device according to claim 8, characterized in that: The invention also includes a driving gear (7) and a driven gear (8), wherein the driving gear (7) and the driven gear (8) are respectively arranged on the secondary rotating shafts (421) of the two groups of secondary stirring members (42), and the two are meshed and connected, and the third motor (41) is connected to the secondary rotating shaft (421) of one group of the secondary stirring members (42).

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