CN112179137B - Vacuum sintering furnace for processing neodymium iron boron magnet - Google Patents
Vacuum sintering furnace for processing neodymium iron boron magnet Download PDFInfo
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- CN112179137B CN112179137B CN202011005825.4A CN202011005825A CN112179137B CN 112179137 B CN112179137 B CN 112179137B CN 202011005825 A CN202011005825 A CN 202011005825A CN 112179137 B CN112179137 B CN 112179137B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
- F27B17/0016—Chamber type furnaces
- F27B17/0083—Chamber type furnaces with means for circulating the atmosphere
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D5/00—Supports, screens, or the like for the charge within the furnace
- F27D5/0006—Composite supporting structures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/066—Vacuum
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The invention discloses a vacuum sintering furnace for processing neodymium iron boron magnet, which comprises a base mechanism, a control mechanism and a main body mechanism, wherein the upper end of the base mechanism is provided with the control mechanism, the upper end of the control mechanism is provided with the main body mechanism, a guide rail groove and a movable groove are both arranged on the inner wall of an inner cylinder, a movable block is arranged inside the movable groove, the upper surface of the movable block is fixedly provided with a curved plate, both ends of the curved plate are fixedly provided with mounting strips, the curved plate is movably connected with the guide rail groove through the mounting strips, the curved plate is movably connected with the movable groove through the movable block, a bearing plate is also arranged inside the inner cylinder, wherein the bent plate is used for storing large magnets, and the bearing plate is used for storing small magnets, so that each type of magnet has higher sintering quality and sintering speed, and secondly, the inner barrel can be smoothly taken out through the mutual matching of the first-stage telescopic rod and the second-stage telescopic rod, so that the operation is convenient.
Description
Technical Field
The invention relates to the technical field of neodymium iron boron magnet processing equipment, in particular to a vacuum sintering furnace for processing a neodymium iron boron magnet.
Background
The neodymium-iron-boron magnet is a tetragonal crystal formed by neodymium, iron and boron, the magnetic energy product of the magnet is larger than that of a samarium-cobalt magnet and is the largest substance of the magnetic energy product all over the world at that time, later, a powder metallurgy method is successfully developed by special metal of Sumitomo, a jet smelting method is successfully developed by general automobile companies, the neodymium-iron-boron magnet can be prepared, the magnet is a permanent magnet which has the magnetism only next to that of an absolute zero-degree holmium magnet at present and is also the most commonly used rare earth magnet, the neodymium-iron-boron magnet is widely applied to electronic products such as hard disks, mobile phones, earphones, tools powered by batteries and the like, the sintered neodymium-iron-boron permanent magnet material has excellent magnetic performance and is widely applied to the fields such as electronics, electric machinery, medical instruments, toys, packaging, hardware machinery, aerospace and the like, and more commonly comprises a permanent magnet motor, a loudspeaker, a magnetic separator, a computer disk driver, a magnetic resonance imaging device and the like, the neodymium iron boron is divided into sintered neodymium iron boron and bonded neodymium iron boron, and the bonded neodymium iron boron is magnetic in all directions and is corrosion-resistant; the sintered neodymium iron boron is easy to corrode, the surface of the sintered neodymium iron boron needs to be coated, and the sintered neodymium iron boron generally comprises zinc coating, nickel coating, environment-friendly zinc coating, environment-friendly nickel coating, nickel-copper-nickel coating, environment-friendly nickel-copper-nickel coating and the like, the sintered neodymium iron boron is generally subjected to axial magnetization and radial magnetization, the vacuum sintering furnace is a furnace for performing protective sintering on a heated object in a vacuum environment, and the heating modes of the vacuum sintering furnace are more, such as resistance heating, induction heating, microwave heating and the like. The vacuum induction sintering furnace is a complete equipment for realizing sintering of hard alloy tool bits and various metal powder pressed bodies by utilizing the principle of medium-frequency induction heating under the condition of vacuum or protective atmosphere, and is designed for industrial production of hard alloy, metal dysprosium and ceramic materials.
When the conventional vacuum sintering furnace is used for sintering, all objects to be sintered are placed in the vacuum sintering furnace, all the objects are stacked together, the sintering quality and the sintering efficiency are greatly reduced, and the objects are difficult to take out after the sintering is finished.
To the above problem, improve current device, provided a vacuum sintering furnace for neodymium iron boron magnetism body processing.
Disclosure of Invention
The invention aims to provide a vacuum sintering furnace for processing neodymium iron boron magnets, wherein a guide rail groove and a movable groove are formed in the inner wall of an inner cylinder, a movable block is arranged in the movable groove, a curved plate is fixedly arranged on the upper surface of the movable block, mounting strips are fixedly arranged at two ends of the curved plate, the curved plate is movably connected with the guide rail groove through the mounting strips, the curved plate is movably connected with the movable groove through the movable block, a bearing plate is further arranged in the inner cylinder, the curved plate is used for storing large magnets, the bearing plate is used for storing small magnets, high sintering quality and high sintering speed of each type of magnets are ensured, and then the inner cylinder can be smoothly taken out through the mutual matching of a primary telescopic rod and a secondary telescopic rod, so that the vacuum sintering furnace is convenient to operate and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a vacuum sintering furnace for processing neodymium iron boron magnet comprises a base mechanism, a control mechanism and a main body mechanism, wherein the upper end of the base mechanism is provided with the control mechanism, the upper end of the control mechanism is provided with the main body mechanism, the base mechanism comprises a bottom plate, a diffusion pump, a mechanical pump, a connecting pipe and a bottom block, the upper surface of the bottom plate is provided with the diffusion pump and the mechanical pump, the diffusion pump is electrically connected with the mechanical pump, the upper end of the diffusion pump is provided with the connecting pipe, the bottom block is fixedly arranged on the lower bottom surface of the bottom plate, the upper end of the bottom plate is provided with the control mechanism, the control mechanism comprises a control box, a clamping block, a control panel and a vacuum gauge, the control panel and the vacuum gauge are both arranged on the outer surface of the control box, one end of the vacuum gauge is arranged inside the control box, the upper end of the control box is provided with the main body mechanism, the main body mechanism comprises a furnace body, a flange, a protective cover and a magnetic block, the both ends of furnace body all fixed mounting have the flange, are provided with the protective cover on the surface of flange, and fixed mounting has the magnetic path on the surface of furnace body, and the diffusion pump is linked together through connecting pipe and furnace body.
Further, the furnace body comprises an inner cylinder, a protection wall, an electric conduction heat rod and a bottom groove, the inner cylinder is arranged inside the furnace body, the protection wall is fixedly installed on the inner wall of the furnace body, the electric conduction heat rod is fixedly installed on the inner cavity of the furnace body, the bottom groove is arranged at the bottom of the furnace body, and the furnace body is connected with the inner cylinder through the electric conduction heat rod.
Further, the inner tube includes the draw-in groove, the guide rail groove, the activity groove, the movable block, the bent plate, mounting bar and loading board, fixed mounting has the draw-in groove on the surface of inner tube, guide rail groove and activity groove are all seted up on the inner wall of inner tube, the inside in activity groove is provided with the movable block, the last fixed surface of movable block installs the bent plate, the equal fixed mounting in both ends of bent plate has the mounting bar, the bent plate passes through mounting bar and guide rail groove swing joint, the bent plate passes through movable block and activity groove swing joint, the inside of inner tube still is provided with the loading board.
Furthermore, the two ends of the bearing plate are fixedly provided with bearing strips, the upper surface of the bearing plate is fixedly provided with a locking box, a locking bolt is arranged inside the locking box, the bearing plate is movably connected with the inner cylinder through the bearing strips and the guide rail groove, and the locking box is connected with the neodymium iron boron magnet through the locking bolt.
Further, the inside of kerve is provided with the one-level telescopic link, and the both ends of one-level telescopic link all are provided with the boss, and one side of boss is provided with the second grade telescopic link, and the one end of second grade telescopic link is connected with the inner wall of kerve, and the last fixed surface of boss installs electric putter, and the boss is connected with the inner tube through electric putter.
Furthermore, the upper surface of the bottom plate is provided with a groove, the bottom plate is connected with the control box through the groove, the upper surface of the bottom plate is provided with a storage groove, and the diffusion pump and the mechanical pump are arranged inside the storage groove.
Furthermore, a lug is fixedly mounted on the lower bottom surface of the control box, a V-shaped groove is formed in the upper surface of the control box, a threaded hole is formed in the upper surface of the control box, a positioning bolt is arranged inside the threaded hole, the control box is movably connected with the groove through the lug, the threaded hole is in threaded connection with the positioning bolt, and the control box is movably connected with the clamping block through the V-shaped groove.
Furthermore, the upper surface of the clamping block is provided with a magnetic sheet, the lower bottom surface of the clamping block is fixedly provided with a V-shaped block, the clamping block is movably connected with the V-shaped groove through the V-shaped block, and the clamping block is magnetically connected with the furnace body through the magnetic sheet.
Furthermore, a connecting hole is formed in the outer surface of the flange, a movable hinge is fixedly mounted on one side of the protective cover, a connecting piece is fixedly mounted on the outer surface of the protective cover, and the protective cover is movably connected with the flange through the movable hinge.
Furthermore, the inside of the bottom block is provided with a movable wheel, a movable shaft is arranged on the outer surface of the movable wheel, a reinforcing bolt is arranged on the outer surface of the bottom block, and one end of the reinforcing bolt penetrates through the bottom block to be in contact with the movable wheel.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides a vacuum sintering furnace for processing a neodymium iron boron magnet, wherein an inner cylinder is arranged inside a furnace body, a clamping groove is fixedly arranged on the outer surface of the inner cylinder, a guide rail groove and a movable groove are respectively formed on the inner wall of the inner cylinder, a movable block is arranged inside the movable groove, a bent plate is fixedly arranged on the upper surface of the movable block, mounting strips are respectively fixedly arranged at two ends of the bent plate, the bent plate is movably connected with the guide rail groove through the mounting strips, the bent plate is movably connected with the movable groove through the movable block, a bearing plate is also arranged inside the inner cylinder, bearing strips are respectively fixedly arranged at two ends of the bearing plate, a locking box is fixedly arranged on the upper surface of the bearing plate, a locking bolt is arranged inside the locking box, the bearing plate is movably connected with the inner cylinder through the bearing strips and the guide rail groove, the locking box is connected with the neodymium iron boron magnet through the locking bolt, and when the large magnet needs to be sintered, the large magnet can be placed on the bent plate, inside making it slide in the inner tube through mounting bar and guide rail groove, operation process is simple and convenient, when needs sinter less type magnet, can put into the loading board with it on, and rethread locking box locks small-size magnet, makes it can not drop easily, has increased the interval between every simultaneously, has improved sintering quality and sintering speed.
2. The invention provides a vacuum sintering furnace for processing a neodymium iron boron magnet, wherein a bottom groove is formed in the bottom of a furnace body, a first-stage telescopic rod is arranged inside the bottom groove, reinforcing blocks are arranged at two ends of the first-stage telescopic rod, a second-stage telescopic rod is arranged on one side of each reinforcing block, one end of each second-stage telescopic rod is connected with the inner wall of the bottom groove, an electric push rod is fixedly installed on the upper surface of each reinforcing block, each reinforcing block is connected with an inner cylinder through the electric push rod, when a workpiece needs to be taken out, the inner cylinder can be driven out to the outer end through mutual matching between the first-stage telescopic rod and the second-stage telescopic rod, meanwhile, in the sintering process, the inner cylinder can be relatively displaced in a production line in the furnace body through mutual matching between the first-stage telescopic rod and the second-stage telescopic rod, the flowing speed of internal air is increased, and the sintering speed is increased.
3. According to the vacuum sintering furnace for processing the neodymium iron boron magnet, the magnetic sheets are arranged on the upper surface of the clamping block, the V-shaped block is fixedly arranged on the lower bottom surface of the clamping block, the clamping block is movably connected with the V-shaped groove through the V-shaped block, the clamping block is magnetically connected with a furnace body through the magnetic sheets, and the vacuum sintering furnace can be suitable for sintering furnaces of different specifications through mutual movement of the clamping blocks.
Drawings
FIG. 1 is a schematic view of the overall structure of a vacuum sintering furnace for processing a neodymium-iron-boron magnet according to the present invention;
FIG. 2 is a schematic structural diagram of a base mechanism and a control mechanism of the vacuum sintering furnace for processing the NdFeB magnet according to the invention;
FIG. 3 is a schematic view of a disassembled structure of a control mechanism of the vacuum sintering furnace for processing the Nd-Fe-B magnet;
FIG. 4 is a schematic structural diagram of a bottom block of the vacuum sintering furnace for processing the NdFeB magnet according to the invention;
FIG. 5 is a schematic structural diagram of a main mechanism of the vacuum sintering furnace for processing the NdFeB magnet according to the invention;
FIG. 6 is a schematic view of a partial structure of a main body mechanism of the vacuum sintering furnace for processing the NdFeB magnet according to the invention;
FIG. 7 is a schematic view of the internal structure of the vacuum sintering furnace for processing NdFeB magnet according to the present invention;
FIG. 8 is a schematic view of the structure of the inner cylinder of the vacuum sintering furnace for processing the Nd-Fe-B magnet according to the present invention;
fig. 9 is a schematic structural view of a bearing plate of the vacuum sintering furnace for processing the neodymium-iron-boron magnet according to the present invention.
In the figure: 1. a base mechanism; 11. a base plate; 111. a groove; 112. a storage tank; 12. a diffusion pump; 13. a mechanical pump; 14. a connecting pipe; 15. a bottom block; 151. a movable wheel; 152. a movable shaft; 153. a reinforcing bolt; 2. a control mechanism; 21. a control box; 211. a bump; 212. a V-shaped groove; 213. a threaded hole; 214. positioning bolts; 22. a clamping block; 221. a magnetic sheet; 222. a V-shaped block; 23. a control panel; 24. a vacuum gauge; 3. a main body mechanism; 31. a furnace body; 311. an inner barrel; 3111. a card slot; 3112. a guide rail groove; 3113. a movable groove; 3114. a movable block; 3115. a curved plate; 3116. mounting a bar; 3117. a carrier plate; 31171. a carrier strip; 31172. a locking box; 31173. a locking bolt; 312. a protective wall; 313. an electrically conductive rod; 314. a bottom groove; 3141. a first-stage telescopic rod; 3142. a reinforcing block; 3143. a secondary telescopic rod; 3144. an electric push rod; 32. a flange; 321. connecting holes; 33. a protective cover; 331. a living hinge; 332. a connecting member; 34. a magnetic block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, 2, 3 and 5, a vacuum sintering furnace for processing neodymium iron boron magnet comprises a base mechanism 1, a control mechanism 2 and a main mechanism 3, wherein the upper end of the base mechanism 1 is provided with the control mechanism 2, the upper end of the control mechanism 2 is provided with the main mechanism 3, the base mechanism 1 comprises a bottom plate 11, a diffusion pump 12, a mechanical pump 13, a connecting pipe 14 and a bottom block 15, the upper surface of the bottom plate 11 is provided with the diffusion pump 12 and the mechanical pump 13, the diffusion pump 12 is electrically connected with the mechanical pump 13, the upper end of the diffusion pump 12 is provided with the connecting pipe 14, the lower bottom surface of the bottom plate 11 is fixedly provided with the bottom block 15, the upper end of the bottom plate 11 is provided with the control mechanism 2, the control mechanism 2 comprises a control box 21, a clamping block 22, a control panel 23 and a vacuum gauge 24, the upper surface of the control box 21 is provided with the clamping block 22, and the control panel 23 and the vacuum gauge 24 are both arranged on the outer surface of the control box 21, one end of the vacuum gauge 24 is arranged inside the control box 21, the main mechanism 3 is arranged at the upper end of the control box 21, the main mechanism 3 comprises a furnace body 31, flanges 32, a protective cover 33 and magnetic blocks 34, the flanges 32 are fixedly arranged at two ends of the furnace body 31, the protective cover 33 is arranged on the outer surface of the flanges 32, the magnetic blocks 34 are fixedly arranged on the outer surface of the furnace body 31, and the diffusion pump 12 is communicated with the furnace body 31 through a connecting pipe 14.
Referring to fig. 7-9, the furnace body 31 includes an inner cylinder 311, a protective wall 312, an electric heat conducting rod 313 and a bottom groove 314, the inner cylinder 311 is disposed inside the furnace body 31, the protective wall 312 is fixedly mounted on an inner wall of the furnace body 31, the electric heat conducting rod 313 is fixedly mounted on an inner cavity of the furnace body 31, the bottom groove 314 is disposed at the bottom of the furnace body 31, the furnace body 31 is connected with the inner cylinder 311 through the electric heat conducting rod 313, the inner cylinder 311 includes a notch 3111, a guide rail groove 3112, a movable groove 3113, a movable block 3114, a curved plate 3115, a mounting bar 3116 and a bearing plate 3117, the notch 3111 is fixedly mounted on an outer surface of the inner cylinder 311, the guide rail groove 3112 and the movable groove 3113 are both disposed on the inner wall of the inner cylinder 311, the movable block 3114 is disposed inside the movable groove 3113, the curved plate 3115 is fixedly mounted on an upper surface of the movable block 3114, mounting bars 3116 are fixedly mounted on both ends of the curved plate 3115, the curved plate 3116 are fixedly mounted with mounting bars 3116, the curved plate 3116 is movably connected with the guide groove 3112 through the mounting bar 3116, the guide rail 3115 is movably connected with the movable groove 3112 through the movable block 3114, the inner part of the bottom groove 314 is provided with a first-stage telescopic rod 3141, both ends of the first-stage telescopic rod 3141 are provided with reinforcing blocks 3142, one side of each reinforcing block 3142 is provided with a second-stage telescopic rod 3143, one end of each second-stage telescopic rod 3143 is connected with the inner wall of the bottom groove 314, the upper surface of each reinforcing block 3142 is fixedly provided with an electric push rod 3144, and each reinforcing block 3142 is connected with the inner cylinder 311 through the electric push rod 3144.
Referring to fig. 2, 3, 4 and 6, a groove 111 is formed on the upper surface of the bottom plate 11, the bottom plate 11 is connected with the control box 21 through the groove 111, a storage groove 112 is formed on the upper surface of the bottom plate 11, the diffusion pump 12 and the mechanical pump 13 are arranged inside the storage groove 112, a bump 211 is fixedly arranged on the lower bottom surface of the control box 21, a V-shaped groove 212 is formed on the upper surface of the control box 21, a threaded hole 213 is formed on the upper surface of the control box 21, a positioning bolt 214 is arranged inside the threaded hole 213, the control box 21 is movably connected with the groove 111 through the bump 211, the threaded hole 213 is in threaded connection with the positioning bolt 214, the control box 21 is movably connected with the clamping block 22 through the V-shaped groove 212, a magnetic sheet 221 is arranged on the upper surface of the clamping block 22, a V-shaped block 222 is fixedly arranged on the lower bottom surface of the clamping block 22, the clamping block 22 is movably connected with the V-shaped groove 212 through the V-shaped block 222, the clamping block 22 is magnetically connected with the furnace body 31 through the magnetic sheet 221, the outer surface of the flange 32 is provided with a connecting hole 321, one side of the protective cover 33 is fixedly provided with a movable hinge 331, the outer surface of the protective cover 33 is fixedly provided with a connecting piece 332, the protective cover 33 is movably connected with the flange 32 through the movable hinge 331, the inside of the bottom block 15 is provided with a movable wheel 151, the outer surface of the movable wheel 151 is provided with a movable shaft 152, the outer surface of the bottom block 15 is provided with a reinforcing bolt 153, and one end of the reinforcing bolt 153 penetrates through the bottom block 15 to be in contact with the movable wheel 151.
Example II
Referring to fig. 1, 2, 3 and 5, a vacuum sintering furnace for processing neodymium iron boron magnet comprises a base mechanism 1, a control mechanism 2 and a main mechanism 3, wherein the upper end of the base mechanism 1 is provided with the control mechanism 2, the upper end of the control mechanism 2 is provided with the main mechanism 3, the base mechanism 1 comprises a bottom plate 11, a diffusion pump 12, a mechanical pump 13, a connecting pipe 14 and a bottom block 15, the upper surface of the bottom plate 11 is provided with the diffusion pump 12 and the mechanical pump 13, the diffusion pump 12 is electrically connected with the mechanical pump 13, the upper end of the diffusion pump 12 is provided with the connecting pipe 14, the lower bottom surface of the bottom plate 11 is fixedly provided with the bottom block 15, the upper end of the bottom plate 11 is provided with the control mechanism 2, the control mechanism 2 comprises a control box 21, a clamping block 22, a control panel 23 and a vacuum gauge 24, the upper surface of the control box 21 is provided with the clamping block 22, and the control panel 23 and the vacuum gauge 24 are both arranged on the outer surface of the control box 21, one end of the vacuum gauge 24 is arranged inside the control box 21, the main mechanism 3 is arranged at the upper end of the control box 21, the main mechanism 3 comprises a furnace body 31, a flange 32, a protective cover 33 and magnetic blocks 34, the flanges 32 are fixedly arranged at two ends of the furnace body 31, the protective cover 33 is arranged on the outer surface of the flange 32, the magnetic blocks 34 are fixedly arranged on the outer surface of the furnace body 31, and the diffusion pump 12 is communicated with the furnace body 31 through a connecting pipe 14.
Referring to fig. 7-9, the furnace body 31 includes an inner cylinder 311, a protective wall 312, an electric heat conducting rod 313 and a bottom groove 314, the inner cylinder 311 is disposed inside the furnace body 31, the protective wall 312 is fixedly mounted on an inner wall of the furnace body 31, the electric heat conducting rod 313 is fixedly mounted on an inner cavity of the furnace body 31, the bottom groove 314 is disposed at the bottom of the furnace body 31, the furnace body 31 is connected with the inner cylinder 311 through the electric heat conducting rod 313, the inner cylinder 311 includes a slot 3111, a guide rail groove 3112, a movable groove 3113, a movable block 3114, a curved plate 3115, a mounting bar 3116 and a bearing plate 3117, the slot 3111 is fixedly mounted on an outer surface of the inner cylinder 311, the guide rail groove 3112 and the movable groove 3113 are both opened on the inner wall of the inner cylinder 311, the movable block 3114 is disposed inside the movable groove 3113, the curved plate 3115 is fixedly mounted on an upper surface of the movable block 3114, mounting bars 3116 are both ends of the curved plate 5 are fixedly mounted with mounting bars 3116, the curved plate 3115 is movably connected with the guide rail groove 3112 through the mounting bar 3114, the inside of inner tube 311 still is provided with loading board 3117, the both ends of loading board 3117 all fixed mounting have a carrier strip 31171, the upper surface fixed mounting of loading board 3117 has locking box 31172, the inside of locking box 31172 is provided with locking bolt 31173, loading board 3117 is through carrying strip 31171 and guide rail groove 3112 and inner tube 311 swing joint, locking box 31172 is connected with the neodymium iron boron magnet through locking bolt 31173, the inside of kerve 314 is provided with one-level telescopic link 3141, the both ends of one-level telescopic link 3141 all are provided with boss 3142, one side of boss 3142 is provided with second grade telescopic link 3143, the one end of second grade telescopic link 3143 is connected with the inner wall of kerve 314, the upper surface fixed mounting of boss 3142 has electric putter 3144, boss 3142 is connected with inner tube 311 through electric putter 3144.
Referring to fig. 2, 3, 4 and 6, a groove 111 is formed on the upper surface of the bottom plate 11, the bottom plate 11 is connected with the control box 21 through the groove 111, a storage groove 112 is formed on the upper surface of the bottom plate 11, the diffusion pump 12 and the mechanical pump 13 are arranged inside the storage groove 112, a bump 211 is fixedly arranged on the lower bottom surface of the control box 21, a V-shaped groove 212 is formed on the upper surface of the control box 21, a threaded hole 213 is formed on the upper surface of the control box 21, a positioning bolt 214 is arranged inside the threaded hole 213, the control box 21 is movably connected with the groove 111 through the bump 211, the threaded hole 213 is in threaded connection with the positioning bolt 214, the control box 21 is movably connected with the clamping block 22 through the V-shaped groove 212, a magnetic sheet 221 is arranged on the upper surface of the clamping block 22, a V-shaped block 222 is fixedly arranged on the lower bottom surface of the clamping block 22, the clamping block 22 is movably connected with the V-shaped groove 212 through the V-shaped block 222, the clamping block 22 is magnetically connected with the furnace body 31 through the magnetic sheet 221, the outer surface of the flange 32 is provided with a connecting hole 321, one side of the protective cover 33 is fixedly provided with a movable hinge 331, the outer surface of the protective cover 33 is fixedly provided with a connecting piece 332, the protective cover 33 is movably connected with the flange 32 through the movable hinge 331, the inside of the bottom block 15 is provided with a movable wheel 151, the outer surface of the movable wheel 151 is provided with a movable shaft 152, the outer surface of the bottom block 15 is provided with a reinforcing bolt 153, and one end of the reinforcing bolt 153 penetrates through the bottom block 15 to be in contact with the movable wheel 151.
When large-scale magnet needs to be sintered, the large-scale magnet can be placed on the curved plate 3115 and slides into the inner barrel 311 through the mounting bar 3116 and the guide rail groove 3112, the operation process is simple and convenient, when smaller-scale magnet needs to be sintered, the smaller-scale magnet can be placed on the bearing plate 3117, and then the small-scale magnet is locked through the locking box 31172 and cannot easily fall off, the distance between each magnet is increased, and the sintering quality and the sintering speed are improved
In summary, the following steps: the invention provides a vacuum sintering furnace for processing neodymium iron boron magnet, wherein the upper end of a base mechanism 1 is provided with a control mechanism 2, the upper end of the control mechanism 2 is provided with a main body mechanism 3, the upper surface of a bottom plate 11 is provided with a diffusion pump 12 and a mechanical pump 13, the diffusion pump 12 is electrically connected with the mechanical pump 13, the upper end of the diffusion pump 12 is provided with a connecting pipe 14, the lower bottom surface of the bottom plate 11 is fixedly provided with a bottom block 15, the upper end of the bottom plate 11 is provided with the control mechanism 2, the upper surface of the control box 21 is provided with a clamping block 22, a control panel 23 and a vacuum gauge 24 are both arranged on the outer surface of the control box 21, one end of the vacuum gauge 24 is arranged inside the control box 21, the upper end of the control box 21 is provided with the main body mechanism 3, both ends of a furnace body 31 are both fixedly provided with flanges 32, the outer surface of the flanges 32 is provided with a protective cover 33, and the outer surface of the furnace body 31 is fixedly provided with a magnetic block 34, the diffusion pump 12 is connected with the furnace body 31 through a connecting pipe 14, the inner part of the furnace body 31 is provided with an inner cylinder 311, a clamping groove 3111 is fixedly arranged on the outer surface of the inner cylinder 311, a guide rail groove 3112 and a movable groove 3113 are respectively arranged on the inner wall of the inner cylinder 311, a movable block 3114 is arranged inside the movable groove 3113, a curved plate 3115 is fixedly arranged on the upper surface of the movable block 3114, mounting bars 3116 are respectively fixedly arranged at two ends of the curved plate 3115, the curved plate 3115 is movably connected with the guide rail groove 3112 through the mounting bars 3116, the curved plate 3115 is movably connected with the movable groove 3113 through the movable block 3114, a bearing plate 3117 is further arranged inside the inner cylinder 311, a bearing bar 31171 is fixedly arranged at two ends of the bearing plate 3117, a locking box 31172 is fixedly arranged on the upper surface of the bearing plate 3117, a locking bolt 73 is arranged inside the locking box 31172, the bearing plate 3117 is movably connected with the inner cylinder 311 through the bearing bar 31171 and the guide rail groove 3112, the locking box 31172 is connected with a neodymium iron boron magnet through the locking bolt 31173, when a large magnet needs to be sintered, the large magnet can be placed on a curved plate 3115 and is slid into the inner cylinder 311 through a mounting bar 3116 and a guide rail groove 3112, the operation process is simple and convenient, when a small magnet needs to be sintered, the small magnet can be placed on a bearing plate 3117 and is locked through a locking box 31172 so as not to easily fall off, the distance between the small magnet and the inner cylinder is increased, the sintering quality and the sintering speed are improved, a bottom groove 314 is arranged at the bottom of the furnace body 31, a first-stage telescopic rod 3141 is arranged inside the bottom groove 314, reinforcing blocks 3142 are arranged at two ends of the first-stage telescopic rod 3141, a second-stage telescopic rod 3143 is arranged at one side of each reinforcing block 3142, one end of each second-stage telescopic rod 3143 is connected with the inner wall of the bottom groove 314, an electric push rod 3144 is fixedly arranged on the upper surface of each reinforcing block 3142, each reinforcing block 3142 is connected with the inner cylinder 311 through the electric push rod 3144, when a workpiece needs to be taken out, through the mutual cooperation between the first-stage telescopic rod 3141 and the second-stage telescopic rod 3143, the inner cylinder 311 can be extended out to the outer end, and meanwhile, in the sintering process, the inner cylinder 311 can be relatively displaced in the production line of the furnace body 31 by utilizing the mutual cooperation between the first-stage telescopic rod 3141 and the second-stage telescopic rod 3143, so that the flowing speed of the internal air is increased, and the sintering speed is increased.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (6)
1. The utility model provides a vacuum sintering furnace is used in processing of neodymium iron boron magnet, includes base mechanism (1), control mechanism (2) and main part mechanism (3), and the upper end of base mechanism (1) is provided with control mechanism (2), and the upper end of control mechanism (2) is provided with main part mechanism (3), its characterized in that: the base mechanism (1) comprises a bottom plate (11), a diffusion pump (12), a mechanical pump (13), a connecting pipe (14) and a bottom block (15), wherein the diffusion pump (12) and the mechanical pump (13) are arranged on the upper surface of the bottom plate (11), the diffusion pump (12) is electrically connected with the mechanical pump (13), the connecting pipe (14) is arranged at the upper end of the diffusion pump (12), the bottom block (15) is fixedly arranged on the lower bottom surface of the bottom plate (11), and the control mechanism (2) is arranged at the upper end of the bottom plate (11);
the control mechanism (2) comprises a control box (21), a clamping block (22), a control panel (23) and a vacuum gauge (24), the clamping block (22) is arranged on the upper surface of the control box (21), the control panel (23) and the vacuum gauge (24) are both arranged on the outer surface of the control box (21), one end of the vacuum gauge (24) is arranged inside the control box (21), and a main body mechanism (3) is arranged at the upper end of the control box (21);
the main body mechanism (3) comprises a furnace body (31), flanges (32), a protective cover (33) and magnetic blocks (34), the flanges (32) are fixedly installed at two ends of the furnace body (31), the protective cover (33) is arranged on the outer surface of the flanges (32), the magnetic blocks (34) are fixedly installed on the outer surface of the furnace body (31), and the diffusion pump (12) is communicated with the furnace body (31) through a connecting pipe (14);
the furnace body (31) comprises an inner cylinder (311), a protective wall (312), an electric heat conducting rod (313) and a bottom groove (314), the inner cylinder (311) is arranged in the furnace body (31), the protective wall (312) is fixedly arranged on the inner wall of the furnace body (31), the electric heat conducting rod (313) is fixedly arranged on the inner cavity of the furnace body (31), the bottom groove (314) is arranged at the bottom of the furnace body (31), and the furnace body (31) is connected with the inner cylinder (311) through the electric heat conducting rod (313);
the inner cylinder (311) comprises a clamping groove (3111), a guide rail groove (3112), a movable groove (3113), a movable block (3114), a curved plate (3115), a mounting bar (3116) and a bearing plate (3117), the clamping groove (3111) is fixedly mounted on the outer surface of the inner cylinder (311), the guide rail groove (3112) and the movable groove (3113) are both formed in the inner wall of the inner cylinder (311), the movable block (3114) is arranged inside the movable groove (3113), the curved plate (3115) is fixedly mounted on the upper surface of the movable block (3114), the mounting bar (3116) is fixedly mounted at both ends of the curved plate (3115), the curved plate (3115) is movably connected with the guide rail groove (3112) through the mounting bar (3116), the curved plate (3115) is movably connected with the movable groove (3113) through the movable block (3114), and the bearing plate (3117) is further arranged inside the inner cylinder (311);
both ends of the bearing plate (3117) are fixedly provided with bearing strips (31171), the upper surface of the bearing plate (3117) is fixedly provided with a locking box (31172), a locking bolt (31173) is arranged inside the locking box (31172), the bearing plate (3117) is movably connected with the inner cylinder (311) through the bearing strips (31171) and the guide rail groove (3112), and the locking box (31172) is connected with the neodymium iron boron magnet through the locking bolt (31173);
the inner part of the bottom groove (314) is provided with a first-stage telescopic rod (3141), both ends of the first-stage telescopic rod (3141) are provided with reinforcing blocks (3142), one side of each reinforcing block (3142) is provided with a second-stage telescopic rod (3143), one end of each second-stage telescopic rod (3143) is connected with the inner wall of the bottom groove (314), the upper surface of each reinforcing block (3142) is fixedly provided with an electric push rod (3144), and each reinforcing block (3142) is connected with the inner cylinder (311) through the electric push rod (3144).
2. The vacuum sintering furnace for processing neodymium iron boron magnet according to claim 1, characterized in that: the upper surface of the bottom plate (11) is provided with a groove (111), the bottom plate (11) is connected with the control box (21) through the groove (111), the upper surface of the bottom plate (11) is provided with a storage tank (112), and the diffusion pump (12) and the mechanical pump (13) are arranged inside the storage tank (112).
3. The vacuum sintering furnace for processing the neodymium-iron-boron magnet according to claim 2, characterized in that: the lower bottom surface of the control box (21) is fixedly provided with a convex block (211), the upper surface of the control box (21) is provided with a V-shaped groove (212), the upper surface of the control box (21) is provided with a threaded hole (213), a positioning bolt (214) is arranged inside the threaded hole (213), the control box (21) is movably connected with the groove (111) through the convex block (211), the threaded hole (213) is in threaded connection with the positioning bolt (214), and the control box (21) is movably connected with the clamping block (22) through the V-shaped groove (212).
4. The vacuum sintering furnace for processing neodymium iron boron magnet according to claim 3, characterized in that: the upper surface of the clamping block (22) is provided with a magnetic sheet (221), the lower bottom surface of the clamping block (22) is fixedly provided with a V-shaped block (222), the clamping block (22) is movably connected with the V-shaped groove (212) through the V-shaped block (222), and the clamping block (22) is magnetically connected with the furnace body (31) through the magnetic sheet (221).
5. The vacuum sintering furnace for processing neodymium iron boron magnet according to claim 1, characterized in that: the outer surface of the flange (32) is provided with a connecting hole (321), one side of the protective cover (33) is fixedly provided with a movable hinge (331), the outer surface of the protective cover (33) is fixedly provided with a connecting piece (332), and the protective cover (33) is movably connected with the flange (32) through the movable hinge (331).
6. The vacuum sintering furnace for processing neodymium iron boron magnet according to claim 1, characterized in that: a movable wheel (151) is arranged inside the bottom block (15), a movable shaft (152) is arranged on the outer surface of the movable wheel (151), a reinforcing bolt (153) is arranged on the outer surface of the bottom block (15), and one end of the reinforcing bolt (153) penetrates through the bottom block (15) to be in contact with the movable wheel (151).
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