CN220933905U - Neodymium iron boron magnetism body compression moulding device - Google Patents
Neodymium iron boron magnetism body compression moulding device Download PDFInfo
- Publication number
- CN220933905U CN220933905U CN202322514423.2U CN202322514423U CN220933905U CN 220933905 U CN220933905 U CN 220933905U CN 202322514423 U CN202322514423 U CN 202322514423U CN 220933905 U CN220933905 U CN 220933905U
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- block
- lower die
- compression
- iron boron
- neodymium iron
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- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 54
- 238000000748 compression moulding Methods 0.000 title claims abstract description 24
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims description 22
- 230000005389 magnetism Effects 0.000 title claims description 20
- 238000003825 pressing Methods 0.000 claims abstract description 48
- 238000009423 ventilation Methods 0.000 claims abstract description 23
- 238000007723 die pressing method Methods 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims description 22
- 230000006835 compression Effects 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 16
- 230000001629 suppression Effects 0.000 claims description 12
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 12
- 230000003647 oxidation Effects 0.000 abstract description 8
- 238000007254 oxidation reaction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000007493 shaping process Methods 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The utility model relates to a neodymium iron boron magnet compression molding device which comprises a workbench, a pressing device, a molding device, a vibrating device and a ventilation device, wherein the pressing device comprises a mounting frame and a driving device, the mounting frame is arranged on the workbench, the output end of the driving device penetrates through the top of the mounting frame and is connected with a push rod, the molding device comprises an upper die pressing block and a lower die, the top of the upper die pressing block is connected with the push rod, the lower die is arranged on the workbench, a molding cavity is arranged on the lower die, a vent hole is arranged at the top of the lower die, and the vent hole is communicated with the molding cavity; the vibrating device is arranged in the forming cavity and comprises a lower die supporting block, a supporting seat, a positioning bottom plate and a first spring, wherein the supporting seat is arranged at the bottom of the lower die supporting block, and the top of the positioning bottom plate is connected with the bottom of the supporting seat through the first spring. The utility model can reduce the air remained in the neodymium-iron-boron magnet after the pressing is finished, and reduce the oxidation process of the neodymium-iron-boron magnet.
Description
Technical Field
The utility model relates to the technical field of neodymium iron boron magnet processing, in particular to a neodymium iron boron magnet compression molding device.
Background
The neodymium-iron-boron permanent magnet material has the advantages of being the strongest in contemporary magnetism, highest in cost performance, high in magnetic energy product, high in coercivity and the like, is easy to process into magnets with different specifications and shapes, is widely applied to the fields of electroacoustic telecommunication, motors, meters, nuclear magnetic resonance and the like, is mainly used in the production links of the neodymium-iron-boron permanent magnet material, and mainly comprises the steps of batching, smelting, pulverizing, compression molding and sintering, and a mold is needed in the compression molding link of the production of the neodymium-iron-boron magnet, but the air in a compression cavity is easily pressed into the neodymium-iron-boron magnet by the molding mold in the current stage in the compression process, so that the oxidation phenomenon of the neodymium-iron-boron magnet is caused. There is a need for improvements over the prior art.
Disclosure of Invention
To above-mentioned problem provides a neodymium iron boron magnetism body compression molding device, lets in inert gas in to the shaping cavity through breather, after discharging the residual air in the shaping cavity, carries out compression molding through compression device, after the suppression is accomplished, realizes discharging through setting up the vibration subassembly and discharging the residual air in the neodymium iron boron magnetism body under the vibration of first spring, reduces the oxidation of neodymium iron boron magnetism body raw and other materials when static pressure.
In order to solve the problems in the prior art, the device comprises a workbench, a pressing device, a forming device, a vibrating device and a ventilation device, wherein the pressing device comprises a mounting frame, a driving device and a push rod, the mounting frame is fixedly arranged on the workbench, the driving device is arranged at the top of the mounting frame, and the output end of the driving device penetrates through the top of the mounting frame to be connected with the push rod; the forming device is arranged in the mounting frame and comprises an upper die pressing block and a lower die, the top of the upper die pressing block is connected with the push rod, the lower die is arranged on the workbench, a forming cavity is formed in the lower die, a vent hole is formed in the top of the lower die, and the vent hole is communicated with the forming cavity; the vibration device is arranged in the forming cavity and comprises a lower die supporting block, a supporting seat, a positioning bottom plate and a first spring, wherein the lower die supporting block is adaptive to the upper die pressing block, the supporting seat is arranged at the bottom of the lower die supporting block, and the top of the positioning bottom plate and the bottom of the supporting seat are connected with the first spring; the output end of the ventilation device is connected with the ventilation hole.
The compression molding device comprises a workbench, a compression device, a molding device, a vibration device and a ventilation device, wherein the compression device comprises a mounting frame, a driving device and a push rod, the mounting frame is fixedly arranged on the workbench, the driving device is arranged at the top of the mounting frame, and the output end of the driving device penetrates through the top of the mounting frame and is connected with the push rod; the forming device is arranged in the mounting frame and comprises an upper die pressing block and a lower die, the top of the upper die pressing block is connected with the push rod, the lower die is arranged on the workbench, a forming cavity is formed in the lower die, a vent hole is formed in the top of the lower die, and the vent hole is communicated with the forming cavity; the vibration device is arranged in the forming cavity and comprises a lower die supporting block, a supporting seat, a positioning bottom plate and a first spring, wherein the lower die supporting block is adaptive to the upper die pressing block, the supporting seat is arranged at the bottom of the lower die supporting block, and the top of the positioning bottom plate and the bottom of the supporting seat are connected with the first spring; the output end of the ventilation device is connected with the ventilation hole.
Preferably, the supporting seat bottom is provided with installation cover and erection column, the installation cover sets up in supporting seat central point put, the erection column sets up around the installation cover, the positioning bottom plate top is provided with reference column and positioning sleeve, the reference column realizes sliding fit with the installation cover, positioning sleeve realizes sliding fit with the erection column, first spring cup joints the setting on positioning sleeve and erection column.
Preferably, the upper die pressing block comprises a first pressing block, a second pressing block, a push rod and a second spring, wherein the top of the first pressing block is fixedly connected with the push rod, a containing cavity is formed in the bottom of the first pressing block, a guide rod is arranged on the second pressing block, the first pressing block is in sliding fit with the second pressing block through the guide rod, the push rod is arranged at the bottom of the first pressing block, the top of the second spring is connected with the containing cavity, the bottom of the second spring is connected with the top of the push rod, and the bottom of the push rod is connected with the second pressing block.
Preferably, a limit sleeve is arranged at the top of the guide rod, and the bottom of the limit sleeve is abutted to the top of the first pressing block.
Preferably, the ventilation device comprises an air pump, an air duct and a fixing seat, wherein the air pump is arranged on the workbench, one end of the air duct is connected with the air pump, the other end of the air duct is connected with the vent hole, and the fixing seat is fixedly arranged on the workbench.
Preferably, the fixing seat is provided with a mounting interface, a fixing interface is arranged above the vent hole, one end of the air duct is connected with the mounting interface, and the other end of the air duct is connected with the fixing interface.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, inert gas is introduced into the forming cavity through the ventilation device, the forming is carried out through the pressing device, the driving device drives the upper die pressing block to carry out the pressing forming on the neodymium-iron-boron magnet in the forming cavity of the lower die, after the pressing is finished, the vibration assembly is arranged to discharge the residual air in the neodymium-iron-boron magnet under the vibration of the first spring, and the oxidation of the raw material of the neodymium-iron-boron magnet in static pressure is reduced.
2. According to the utility model, the positioning column and the mounting sleeve are in sliding fit with the positioning sleeve and the mounting column, so that the vibration device can vibrate stably after the pressing of the neodymium-iron-boron magnet is finished, the air remained in the neodymium-iron-boron magnet is completely discharged, the oxidation process of the neodymium-iron-boron magnet is reduced, and the quality of the neodymium-iron-boron magnet after the pressing forming is improved.
3. According to the utility model, the buffer of the upper die pressing block for directly pressing the neodymium-iron-boron magnet is reduced by arranging the second spring, so that part of the neodymium-iron-boron magnet is prevented from being attached to the bottom of the second pressing block after the pressing is finished, the loss of the raw material of the neodymium-iron-boron magnet is increased, and the second pressing block slowly rises under the action of the elasticity of the second spring after the pressing is finished, so that the pressing work is finished.
Drawings
Fig. 1 is a schematic perspective view of a press forming device for a neodymium iron boron magnet.
Fig. 2 is a schematic structural diagram of a pressing device of a neodymium iron boron magnet pressing forming device.
Fig. 3 is a schematic perspective view of an upper molding block of a neodymium iron boron magnet compression molding device.
Fig. 4 is a schematic diagram of the installation of a breather of a neodymium iron boron magnet press forming device.
Fig. 5 is a schematic diagram of the installation of a vibration device of a press forming device for neodymium iron boron magnets.
Fig. 6 is a sectional view of the molding device installation of the neodymium iron boron magnet compression molding device.
The reference numerals in the figures are: 1-a workbench; 2-pressing device; 21-a mounting rack; 22-driving means; 23-pushing rod; 3-a forming device; 31-upper die pressing blocks; 311-a first briquetting; 3111-accommodation chamber; 312-a second briquette; 3121-guide bar; 313-a compression bar; 314-a second spring; 315-limiting sleeve; 32-a lower die; 321-forming a cavity; 3211-vent holes; 322-fixed interface; 4-a vibration device; 41-a lower die supporting block; 42-supporting seats; 421-mounting sleeve; 422-mounting posts; 43-positioning a bottom plate; 431-positioning columns; 432-positioning the cannula; 44-a first spring; 5-venting means; 51-an air pump; 52-an airway; 53-fixing seat; 531-installation interface.
Detailed Description
The utility model will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the utility model and the specific objects and functions achieved.
Referring to fig. 1 to 6, there is shown: the utility model provides a neodymium iron boron magnetism body compression molding device, includes workstation 1, suppression device 2, forming device 3, vibrating device 4 and ventilation unit 5, suppression device 2 is including mounting bracket 21, drive arrangement 22 and push rod 23, mounting bracket 21 is fixed to be set up on workstation 1, drive arrangement 22 sets up at the mounting bracket 21 top, drive arrangement 22 output runs through mounting bracket 21 top and is connected with push rod 23; the forming device 3 is arranged in the mounting frame 21, the forming device 3 comprises an upper die pressing block 31 and a lower die 32, the top of the upper die pressing block 31 is connected with the push rod 23, the lower die 32 is arranged on the workbench 1, a forming cavity 321 is arranged on the lower die 32, a vent hole 3211 is arranged at the top of the lower die 32, and the vent hole 3211 is communicated with the forming cavity 321; the vibration device 4 is arranged in the forming cavity 321, the vibration device 4 comprises a lower die supporting block 41, a supporting seat 42, a positioning bottom plate 43 and a first spring 44, the lower die supporting block 41 is adapted to the upper die pressing block 31, the supporting seat 42 is arranged at the bottom of the lower die supporting block 41, and the top of the positioning bottom plate 43 and the bottom of the supporting seat 42 are connected with the first spring 44; the output end of the ventilation device 5 is connected with a ventilation hole 3211.
In the practical application process, the neodymium iron boron magnet compression molding device firstly introduces inert gas into the molding cavity 321 through the ventilation device 5, wherein two ventilation holes 3211 are provided, one ventilation hole is an air inlet, the other ventilation hole is an air outlet, residual air in the molding cavity 321 is discharged and then is compression molded through the compression molding device 2, the driving device 22 is preferably a hydraulic cylinder, the driving device 22 drives the upper compression molding block 31 to press and mold the neodymium iron boron magnet in the molding cavity 321 of the lower mold 32, and after compression is completed, the discharge of residual air in the neodymium iron boron magnet is realized under the vibration of the first spring 44 through the vibration component, so that the oxidation of the raw material of the neodymium iron boron magnet during static pressure is reduced.
Referring to fig. 5 and 6, it is shown that: the support seat 42 bottom is provided with installation cover 421 and erection column 422, installation cover 421 sets up in support seat 42 central point put, erection column 422 sets up around installation cover 421, the locating bottom plate 43 top is provided with reference column 431 and locating sleeve 432, reference column 431 realizes sliding fit with installation cover 421, locating sleeve 432 realizes sliding fit with erection column 422, first spring 44 cup joints the setting on locating sleeve 432 and erection column 422.
Through setting up reference column 431 and mount pad 421 sliding fit and positioning sleeve 432 and mount column 422 sliding fit, effectually improved after the suppression of neodymium iron boron magnetism body, vibrating device 4 vibration that can be stable realizes that remaining air is whole to be discharged in the neodymium iron boron magnetism body, reduces the oxidation process of neodymium iron boron magnetism body, improves the quality after the compression moulding of neodymium iron boron magnetism body.
Referring to fig. 3 and 6, it is shown that: the upper molding block 31 comprises a first pressing block 311, a second pressing block 312, a pressing rod 313 and a second spring 314, wherein the top of the first pressing block 311 is fixedly connected with the pressing rod 313, a containing cavity 3111 is formed in the bottom of the first pressing block 311, a guide rod 3121 is arranged on the second pressing block 312, the first pressing block 311 and the second pressing block 312 are in sliding fit through the guide rod 3121, the pressing rod 313 is arranged at the bottom of the first pressing block 311, the top of the second spring 314 is connected with the containing cavity 3111, the bottom of the second spring 314 is connected with the top of the pressing rod 313, and the bottom of the pressing rod 313 is connected with the second pressing block 312.
In actual neodymium iron boron magnetism body suppression in-process, control first briquetting 311 through drive arrangement 22 and follow guide arm 3121 downwardly moving, first briquetting 311 control depression bar 313 promotes second briquetting 312 and carries out the pressing work, reduces the buffering that goes up the mould pressing piece 31 and directly carry out the suppression to the neodymium iron boron magnetism body through setting up second spring 314, prevents to have partial neodymium iron boron magnetism body laminating in second briquetting 312 bottom after the suppression is accomplished, increases the loss of neodymium iron boron magnetism body raw materials, after the suppression, second briquetting 312 slowly rises under the elasticity effect of second spring 314, accomplishes the pressing work.
Referring to fig. 3 and 6, it is shown that: the top of the guide rod 3121 is provided with a stop collar 315, and the bottom of the stop collar 315 abuts against the top of the first pressing block 311.
Through setting up stop collar 315, after compression molding, first briquetting 311 accessible stop collar 315 drives second briquetting 312 and slowly rises, makes the quality that the suppression of neodymium iron boron magnetism body was accomplished higher under the effect of second spring 314.
Referring to fig. 1 and 4, it is shown that: the ventilation device 5 comprises an air pump 51, an air duct 52 and a fixing seat 53, wherein the air pump 51 is arranged on the workbench 1, one end of the air duct 52 is connected with the air pump 51, the other end of the air duct 52 is connected with a ventilation hole 3211, and the fixing seat 53 fixedly installs the air pump 51 on the workbench 1.
Through setting up breather 5, the position setting of breather 3211 and shaping cavity 321 intercommunication is in neodymium iron boron magnetism body top, injects inert gas in to shaping cavity 321 through breather 5, reduces the air in the shaping cavity 321, prevents to impress the gas in the neodymium iron boron magnetism body in the suppression process, causes the oxidation of neodymium iron boron magnetism body.
Referring to fig. 4, it is shown that: the fixing seat 53 is provided with an installation interface 531, a fixed interface 322 is arranged above the air vent 3211, one end of the air duct 52 is connected with the installation interface 531, and the other end of the air duct 52 is connected with the fixed interface 322.
By providing the fixing interface 322 and the mounting interface 531, the stability of the air pump 51 during operation is improved.
The foregoing examples merely illustrate one or more embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of the utility model should be assessed as that of the appended claims.
Claims (6)
1. The utility model provides a neodymium iron boron magnetism body compression molding device, includes workstation (1), suppression device (2), forming device (3), vibrating device (4) and ventilation unit (5), its characterized in that, suppression device (2) are including mounting bracket (21), drive arrangement (22) and push rod (23), mounting bracket (21) are fixed to be set up on workstation (1), drive arrangement (22) set up at mounting bracket (21) top, drive arrangement (22) output runs through mounting bracket (21) top and is connected with push rod (23);
The forming device (3) is arranged in the mounting frame (21), the forming device (3) comprises an upper die pressing block (31) and a lower die (32), the top of the upper die pressing block (31) is connected with the push rod (23), the lower die (32) is arranged on the workbench (1), a forming cavity (321) is formed in the lower die (32), a vent hole (3211) is formed in the top of the lower die (32), and the vent hole (3211) is communicated with the forming cavity (321);
The vibrating device (4) is arranged in the forming cavity (321), the vibrating device (4) comprises a lower die supporting block (41), a supporting seat (42), a positioning bottom plate (43) and a first spring (44), the lower die supporting block (41) is adaptive to the upper die pressing block (31), the supporting seat (42) is arranged at the bottom of the lower die supporting block (41), and the top of the positioning bottom plate (43) and the bottom of the supporting seat (42) are connected with the first spring (44);
The output end of the ventilation device (5) is connected with a ventilation hole (3211).
2. The neodymium iron boron magnet compression molding device according to claim 1, wherein a mounting sleeve (421) and a mounting column (422) are arranged at the bottom of the supporting seat (42), the mounting sleeve (421) is arranged at the center of the supporting seat (42), the mounting column (422) is arranged around the mounting sleeve (421), a positioning column (431) and a positioning sleeve (432) are arranged at the top of the positioning bottom plate (43), the positioning column (431) and the mounting sleeve (421) are in sliding fit, the positioning sleeve (432) and the mounting column (422) are in sliding fit, and the first spring (44) is sleeved on the positioning sleeve (432) and the mounting column (422).
3. The neodymium iron boron magnet compression molding device according to claim 1, wherein the upper compression molding block (31) comprises a first compression block (311), a second compression block (312), a compression bar (313) and a second spring (314), the top of the first compression block (311) is fixedly connected with the compression bar (313), a containing cavity (3111) is formed in the bottom of the first compression block (311), a guide rod (3121) is arranged on the second compression block (312), the first compression block (311) and the second compression block (312) are in sliding fit through the guide rod (3121), the compression bar (313) is arranged at the bottom of the first compression block (311), the top of the second spring (314) is connected with the top of the compression bar (313), and the bottom of the compression bar (313) is connected with the second compression block (312).
4. A neodymium iron boron magnet compression molding device according to claim 3, wherein a limit sleeve (315) is arranged at the top of the guide rod (3121), and the bottom of the limit sleeve (315) is abutted to the top of the first pressing block (311).
5. The neodymium iron boron magnet compression molding device according to claim 1, wherein the ventilation device (5) comprises an air pump (51), an air duct (52) and a fixing seat (53), the air pump (51) is arranged on the workbench (1), one end of the air duct (52) is connected with the air pump (51), the other end of the air duct (52) is connected with the ventilation hole (3211), and the fixing seat (53) fixedly installs the air pump (51) on the workbench (1).
6. The neodymium iron boron magnet compression molding device according to claim 5, wherein the fixing seat (53) is provided with an installation interface (531), a fixing interface (322) is arranged above the vent hole (3211), one end of the air duct (52) is connected with the installation interface (531), and the other end of the air duct (52) is connected with the fixing interface (322).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322514423.2U CN220933905U (en) | 2023-09-15 | 2023-09-15 | Neodymium iron boron magnetism body compression moulding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322514423.2U CN220933905U (en) | 2023-09-15 | 2023-09-15 | Neodymium iron boron magnetism body compression moulding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220933905U true CN220933905U (en) | 2024-05-10 |
Family
ID=90966422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322514423.2U Active CN220933905U (en) | 2023-09-15 | 2023-09-15 | Neodymium iron boron magnetism body compression moulding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220933905U (en) |
-
2023
- 2023-09-15 CN CN202322514423.2U patent/CN220933905U/en active Active
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