Magnetic field orientation forming device for sintered neodymium-iron-boron permanent magnet material

Abstract

The utility model relates to the technical field of sintered neodymium iron boron permanent magnet material preparation equipment, and discloses a sintered neodymium iron boron permanent magnet material magnetic field orientation forming device which comprises a working table, supporting legs are fixedly connected to the bottom of the working table, stand columns are fixedly connected to the top of the working table, and the stand columns are fixedly connected to the bottom of the working table. The top of the stand column is fixedly connected with a stand column, and the top of the stand column is fixedly connected with a top plate. According to the magnetic field orientation forming device for the sintered neodymium-iron-boron permanent magnet material, through the arrangement of the material flattening mechanism, a worker can drive a scraping strip to move rightwards by starting a driving motor, so that the scraping strip performs scraping treatment on alloy powder in a forming mold, and the top of the alloy powder in the forming mold can be kept horizontal; and the situation that the quality of finished products is affected due to uneven prevention and control of the alloy powder is avoided, excessive alloy powder enters the blanking groove to fall down through scraping of the scraping strip, and follow-up treatment of the alloy powder in the forming mold is not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of sintered NdFeB permanent magnet material preparation equipment, in particular to a magnetic field orientation molding device for sintered NdFeB permanent magnet material. Background Art

[0002] Nowadays, sintered NdFeB permanent magnet materials are widely used in electronics, power machinery, medical equipment and other fields due to their excellent magnetic properties. Sintered NdFeB permanent magnet materials adopt powder metallurgy process. The smelted alloy is made into powder and pressed into pressed embryos in a magnetic field.

[0003] According to the "Magnetic Field Orientation Forming Device for Sintered NdFeB Permanent Magnet Materials (Publication No.: CN217719286 U; Application No.: 202221334923.7)" published on the patent website, the above application is aimed at: "The existing magnetic field orientation forming device for sintered NdFeB permanent magnet materials has the following disadvantages when in use: 1. During orientation forming, people need to manually place the alloy powder into the device, which not only reduces the efficiency of sintering NdFeB permanent magnet materials, but also easily places unevenly, causing errors in the prepared sintered NdFeB permanent magnet materials. 2. It is inconvenient to take out and collect the formed sintered NdFeB permanent magnet materials, which will increase labor." The problem has been optimized, but when the forming device in the above application is used, the flattening of the alloy powder is completed by machine blanking and embryo pressing, so that the top of the alloy powder can be kept flat, but the machine blanking also has the problem of uneven blanking. After embryo pressing, the uneven alloy powder in various parts will cause uneven density inside the embryo mold, affecting the quality of subsequent finished products. Utility Model Content

[0004] The utility model aims to provide a magnetic field orientation forming device for sintered NdFeB permanent magnet materials to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a magnetic field orientation forming device for sintered NdFeB permanent magnet material, comprising a workbench, a leg fixedly connected to the bottom of the workbench, a column fixedly connected to the top of the workbench, a column fixedly connected to the top of the column, a top plate fixedly connected to the bottom of the column, a hydraulic rod fixedly connected to the bottom of the top plate, a pressing module fixedly connected to the bottom of the hydraulic rod, a forming mold fixedly connected to the position of the pressing module at the top of the workbench corresponding to the forming module, a flattening mechanism is arranged in the forming mold, and a collecting mechanism is arranged at the bottom of the workbench.

[0006] The flat material mechanism comprises a flat material assembly, a driving assembly and a supporting assembly. The flat material assembly is arranged in the top of the forming mold, the driving assembly is arranged at the front and rear sides of the forming mold, and the supporting assembly is arranged on the right side of the driving assembly.

[0007] The collecting mechanism comprises a material collecting assembly and a positioning assembly. The material collecting assembly is arranged at the bottom of the workbench, and the positioning assembly is arranged on the right side of the workbench.

[0008] Preferably, the flat material assembly includes a fixed box, the fixed box is on the left side of the forming mold, a scraper strip is arranged in the forming mold, the scraper strip is slidably connected to the top of the forming mold, the front and rear sides of the scraper strip are fixedly connected to a limiting slide rod, and the limiting slide rod is slidably connected to the front and rear sides of the fixed box and the forming mold.

[0009] Preferably, a blanking trough is fixedly connected to the right side of the forming mold, the top left side of the blanking trough is aligned with the scraper, the blanking trough is fixedly connected to the top of the workbench, and a groove is opened in the workbench corresponding to the bottom position of the blanking trough.

[0010] Preferably, the driving assembly includes a driving motor, which is arranged on the front and rear sides of the fixed box, the outer side of the driving motor is fixedly connected to a fixing bracket, the fixing bracket is fixedly connected to the inner side of the left column, the right side of the driving motor is fixedly connected to a threaded shaft, the outer ring of the threaded shaft is threadedly connected to a threaded cylinder, and the threaded cylinder is fixedly connected to the outer side of the limiting slide rod.

[0011] Preferably, the support assembly includes a clamping shaft, the clamping shaft is rotatably connected to the right side of the threaded shaft, a fixing plate is fixedly connected to the right side of the clamping shaft, and the fixing plate is fixedly connected to the front and rear sides of the blanking chute.

[0012] Preferably, the material receiving assembly includes a material receiving box, which is arranged at the bottom of the workbench, and a convex edge is fixedly connected to the top of the outer ring of the material receiving box, and the convex edge is clamped in the bottom of the workbench, and a handle is fixedly connected to the right side of the material receiving box, and the handle is fixedly connected to the bottom of the convex edge.

[0013] Preferably, the positioning assembly includes a limit plate, which is clamped in the top of the workbench, and an empty slot is opened on the top of the workbench corresponding to the position of the limit plate. A handle is fixedly connected to the top of the limit plate, and a clamping plate is fixedly connected to the bottom of the limit plate, and the clamping plate is clamped in the workbench and the convex edge.

[0014] Compared with the prior art, the utility model provides a magnetic field orientation forming device for sintered NdFeB permanent magnet material, which has the following beneficial effects:

[0015] 1. The magnetic field orientation forming device for sintered NdFeB permanent magnet material has a flat material mechanism. The staff can start the drive motor to drive the scraper to move to the right, so that the scraper can scrape the alloy powder in the forming mold to make the top of the alloy powder in the forming mold level, so that the quality of the finished product will not be affected by the uneven prevention and control of the alloy powder. The excess alloy powder will enter the blanking chute and fall downward after being scraped by the scraper, which will not affect the subsequent treatment of the alloy powder in the forming mold.

[0016] 2. The magnetic field orientation forming device for sintered NdFeB permanent magnet material collects and stores the excess alloy powder that falls down from the material chute through a collecting mechanism, so that the staff can reuse the alloy powder in the collecting box later, which will not cause the waste of alloy powder, reduce the waste of alloy powder and improve the utilization rate of alloy powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0018] Figure 1 It is a front schematic diagram of the utility model;

[0019] Figure 2 It is a side sectional view of the utility model;

[0020] Figure 3 It is a partial structural sectional view of the utility model;

[0021] Figure 4 It is the exploded diagram of the part structure of the flat material mechanism;

[0022] Figure 5 It is a schematic diagram of the structure of the supporting component;

[0023] Figure 6 It is a schematic diagram of the partial structure of the collection mechanism;

[0024] Figure 7 This is an exploded view of the positioning component structure.

[0025] In the figure: 1. flat material mechanism; 11. flat material assembly; 1101. fixed box; 1102. scraper; 1103. limit slide bar; 1104. blanking chute; 12. drive assembly; 1201. drive motor; 1202. fixed frame; 1203. threaded shaft; 1204. threaded cylinder; 13. support assembly; 1301. clamping shaft; 1302. fixed plate; 2. collecting mechanism; 21. material receiving assembly; 2101. material receiving box; 2102. convex edge; 2103. handle; 22. positioning assembly; 2201. limit plate; 2202. empty slot; 2203. handle; 2204. clamping plate; 3. workbench; 31. forming mold; 4. supporting legs; 5. column; 6. top plate; 7. hydraulic rod; 8. pressing module. DETAILED DESCRIPTION

[0026] 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.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The utility model provides a technical solution:

[0029] Embodiment 1

[0030] Combination Figures 1 to 5 The magnetic field orientation forming device of sintered NdFeB permanent magnet material includes a workbench 3, a leg 4 is fixedly connected to the bottom of the workbench 3, a leg 4 is fixedly connected to the bottom of the workbench 3, a column 5 is fixedly connected to the top of the workbench 3, a column 5 is fixedly connected to the top of the column 5, a top plate 6 is fixedly connected to the bottom of the top plate 6, a hydraulic rod 7 is fixedly connected to the bottom of the top plate 6, a pressing module 8 is fixedly connected to the bottom of the hydraulic rod 7, a forming mold 31 is fixedly connected to the position of the pressing module 8 at the top of the workbench 3, a flat material mechanism 1 is arranged in the forming mold 31, and a collecting mechanism 2 is arranged at the bottom of the workbench 3.

[0031] The flat material mechanism 1 includes a flat material assembly 11 , a driving assembly 12 and a supporting assembly 13 . The flat material assembly 11 is arranged in the top of the forming mold 31 , the driving assembly 12 is arranged at the front and rear sides of the forming mold 31 , and the supporting assembly 13 is arranged on the right side of the driving assembly 12 .

[0032] The flat material assembly 11 includes a fixed box 1101, the fixed box 1101 is on the left side of the forming mold 31, a scraper 1102 is arranged in the forming mold 31, the scraper 1102 is slidably connected to the top of the forming mold 31, the front and rear sides of the scraper 1102 are fixedly connected to the limit slide bar 1103, the limit slide bar 1103 is slidably connected to the fixed box 1101 and the front and rear sides of the forming mold 31, a blanking trough 1104 is fixedly connected to the right side of the forming mold 31, the left top of the blanking trough 1104 is aligned with the scraper 1102, the blanking trough 1104 is fixedly connected to the top of the workbench 3, and a groove is opened in the workbench 3 corresponding to the bottom position of the blanking trough 1104, and the driving assembly 12 includes a driving motor 1 201, the driving motor 1201 is arranged on the front and rear sides of the fixed box 1101, the outer side of the driving motor 1201 is fixedly connected with a fixing frame 1202, the fixing frame 1202 is fixedly connected to the inner side of the left column 5, the right side of the driving motor 1201 is fixedly connected with a threaded shaft 1203, the outer circle of the threaded shaft 1203 is threadedly connected with a threaded tube 1204, the threaded tube 1204 is fixedly connected to the outer side of the limiting slide bar 1103, the supporting assembly 13 includes a clamping shaft 1301, the clamping shaft 1301 is rotatably connected to the right side of the threaded shaft 1203, the right side of the clamping shaft 1301 is fixedly connected with a fixing plate 1302, and the fixing plate 1302 is fixedly connected to the front and rear sides of the blanking trough 1104.

[0033] Furthermore: the staff can start the driving motor 1201 to drive the scraper 1102 to move to the right, so that the scraper 1102 can scrape the alloy powder in the molding die 31 to make it level, so that the top of the alloy powder in the molding die 31 can be kept level, so that the quality of the finished product will not be affected by the uneven prevention and control of the alloy powder. The excess alloy powder will enter the blanking chute 1104 and fall downward after being scraped by the scraper 1102, and will not affect the subsequent processing of the alloy powder in the molding die 31.

[0034] Embodiment 2

[0035] See also Figure 1 , Figure 2 , Figure 6 and Figure 7 On the basis of the first embodiment, it is further obtained that the collecting mechanism 2 includes a material collecting component 21 and a positioning component 22, the material collecting component 21 is arranged at the bottom of the workbench 3, and the positioning component 22 is arranged on the right side of the workbench 3.

[0036] The material receiving assembly 21 includes a material receiving box 2101, which is arranged at the bottom of the workbench 3. A flange 2102 is fixedly connected to the top of the outer ring of the material receiving box 2101, and the flange 2102 is clamped in the bottom of the workbench 3. A handle 2103 is fixedly connected to the right side of the material receiving box 2101, and the handle 2103 is fixedly connected to the bottom of the flange 2102. The positioning assembly 22 includes a limit plate 2201, which is clamped in the top of the workbench 3. An empty groove 2202 is opened at the top of the workbench 3 corresponding to the position of the limit plate 2201. A handle 2203 is fixedly connected to the top of the limit plate 2201, and a clamping plate 2204 is fixedly connected to the bottom of the limit plate 2201. The clamping plate 2204 is clamped in the workbench 3 and the flange 2102.

[0037] Furthermore: the material collecting box 2101 collects and stores the excess alloy powder that falls downward from the material dropping chute 1104, so that the staff can reuse the alloy powder in the material collecting box 2101 later, which will not cause the waste of alloy powder, reduce the waste of alloy powder, and improve the utilization rate of alloy powder.

[0038] In actual operation, when the device is used, when it is necessary to scrape the alloy powder in the forming mold 31, the staff first starts the driving motors 1201 on the front and rear sides, and the driving motors 1201 start to drive the threaded shaft 1203 to rotate, and the rotation of the threaded shaft 1203 drives the threaded barrels 1204 on the front and rear sides to move to the right, and the threaded barrel 1204 moves to the right and drives the scraper 1102 to move to the right through the limiting slide bar 1103, and the scraper 1102 moves to the right to scrape the alloy powder in the forming mold 31, and the excess alloy in the forming mold 31 is scraped off. The powder is pushed to the right by the scraper bar 1102, and the scraper bar 1102 moves to the right and enters the blanking trough 1104. The alloy powder in the blanking trough 1104 falls downward into the drive motor 1201. At this time, the scraping process in the forming mold 31 is completed. Finally, when it is necessary to process the alloy powder in the forming mold 31, the staff starts the drive motor 1201 again to drive the scraper bar 1102 to retract to the left into the fixed box 1101. After that, the staff can start the hydraulic rod 7 to drive the die pressing module 8 downward to complete the die casting of the alloy powder in the forming mold 31.

[0039] When the alloy powder in the drive motor 1201 needs to be recycled, the staff first pulls the handle 2203 upward. The handle 2203 moves upward and drives the clamping plate 2204 to move upward through the limit plate 2201. The clamping plate 2204 moves upward to release the connection with the workbench 3 and the flange 2102. At this time, the positioning of the material receiving box 2101 is released. Thereafter, the staff can pull the handle 2103 to the right to complete the disassembly of the drive motor 1201, and then the alloy powder in the drive motor 1201 can be recycled and reused.

[0040] 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. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A magnetic field orientation forming device for sintered NdFeB permanent magnet material, comprising a workbench (3), characterized in that: The bottom of the workbench (3) is fixedly connected to a leg (4), the bottom of the workbench (3) is fixedly connected to a leg (4), the top of the workbench (3) is fixedly connected to a column (5), the top of the column (5) is fixedly connected to a column (5), the top of the column (5) is fixedly connected to a top plate (6), the bottom of the top plate (6) is fixedly connected to a hydraulic rod (7), the bottom of the hydraulic rod (7) is fixedly connected to a pressing module (8), the top of the workbench (3) is fixedly connected to a forming mold (31) at a position corresponding to the pressing module (8), a flattening mechanism (1) is provided in the forming mold (31), and a collecting mechanism (2) is provided at the bottom of the workbench (3); The flat material mechanism (1) comprises a flat material assembly (11), a driving assembly (12) and a supporting assembly (13); the flat material assembly (11) is arranged inside the top of the forming mold (31); the driving assembly (12) is arranged at the front and rear sides of the forming mold (31); and the supporting assembly (13) is arranged at the right side of the driving assembly (12); The collecting mechanism (2) comprises a material collecting component (21) and a positioning component (22); the material collecting component (21) is arranged at the bottom of the workbench (3), and the positioning component (22) is arranged on the right side of the workbench (3).

2. The magnetic field orientation forming device for sintered NdFeB permanent magnet material according to claim 1, characterized in that: The flat material assembly (11) comprises a fixed box (1101), the fixed box (1101) is on the left side of the forming mold (31), a scraper (1102) is arranged inside the forming mold (31), the scraper (1102) is slidably connected to the top of the forming mold (31), the scraper (1102) is fixedly connected to the front and rear sides of the scraper (1102), and the limit sliding rod (1103) is slidably connected to the front and rear sides of the fixed box (1101) and the forming mold (31).

3. The magnetic field orientation forming device for sintered NdFeB permanent magnet material according to claim 2, characterized in that: A blanking trough (1104) is fixedly connected to the right side of the molding die (31), the top left side of the blanking trough (1104) is aligned with the scraper (1102), the blanking trough (1104) is fixedly connected to the top of the workbench (3), and a groove is provided in the workbench (3) at a position corresponding to the bottom of the blanking trough (1104).

4. The magnetic field orientation forming device for sintered NdFeB permanent magnet material according to claim 1, characterized in that: The driving assembly (12) comprises a driving motor (1201), wherein the driving motor (1201) is arranged at the front and rear sides of the fixing box (1101), a fixing frame (1202) is fixedly connected to the outside of the driving motor (1201), and the fixing frame (1202) is fixedly connected to the inside of the left column (5), and a threaded shaft (1203) is fixedly connected to the right side of the driving motor (1201), and a threaded cylinder (1204) is threadedly connected to the outer ring of the threaded shaft (1203), and the threaded cylinder (1204) is fixedly connected to the outside of the limiting slide rod (1103).

5. The magnetic field orientation forming device for sintered NdFeB permanent magnet material according to claim 1, characterized in that: The support assembly (13) comprises a clamping shaft (1301), wherein the clamping shaft (1301) is rotatably connected to the right side of the threaded shaft (1203), and a fixing plate (1302) is fixedly connected to the right side of the clamping shaft (1301), and the fixing plate (1302) is fixedly connected to the front and rear sides of the blanking trough (1104).

6. The magnetic field orientation forming device for sintered NdFeB permanent magnet material according to claim 1, characterized in that: The material receiving assembly (21) comprises a material receiving box (2101), which is arranged at the bottom of the workbench (3); a flange (2102) is fixedly connected to the top of the outer ring of the material receiving box (2101), and the flange (2102) is snap-fitted into the bottom of the workbench (3); a handle (2103) is fixedly connected to the right side of the material receiving box (2101), and the handle (2103) is fixedly connected to the bottom of the flange (2102).

7. The magnetic field orientation forming device for sintered NdFeB permanent magnet material according to claim 1, characterized in that: The positioning assembly (22) comprises a limit plate (2201), the limit plate (2201) is clamped in the top of the workbench (3), a hollow groove (2202) is provided at the top of the workbench (3) corresponding to the position of the limit plate (2201), a handle (2203) is fixedly connected to the top of the limit plate (2201), and a clamping plate (2204) is fixedly connected to the bottom of the limit plate (2201), and the clamping plate (2204) is clamped in the workbench (3) and the convex edge (2102).

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