High-performance low-cost sintering device for processing grain boundary diffusion neodymium-iron-boron permanent magnet

Abstract

The utility model discloses a high-performance low-cost sintering device for grain boundary diffusion neodymium iron boron permanent magnet processing, and relates to the technical field of sintering equipment, the sintering device comprises a furnace body, a processing mechanism is arranged in the furnace body and used for feeding, discharging and rolling over materials, and the processing mechanism comprises a feeding assembly, a discharging assembly and a sintering assembly. And the feeding assembly comprises a connecting base and a supporting table, a plurality of material grooves are fixedly formed in the rear surface of the connecting base, and supporting blocks are symmetrically and fixedly connected to the positions, close to the left sides, of the tops of the material grooves. According to the high-performance and low-cost sintering device for machining the grain boundary diffusion neodymium iron boron permanent magnet, a motor is started to drive a crank to rotate, and a rack is made to do transverse reciprocating motion through a connecting rod, so that a gear is driven to intermittently rotate forwards or backwards, and then a turning roller is driven to synchronously rotate; therefore, materials on the surface of the trough can roll back and forth, the materials are prevented from being blocked, and the sintering effect of the materials is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sintering equipment, in particular to a sintering device for processing high-performance and low-cost grain boundary diffused NdFeB permanent magnets. Background Art

[0002] NdFeB permanent magnets are widely used in the field of electronic product production. When producing and processing NdFeB permanent magnets, multiple processes such as melting, pressing, sintering, testing and electroplating are required. Among them, a sintering device is needed in the sintering process.

[0003] In the prior art, for example, Chinese patent number CN216205192U discloses a NdFeB magnet sintering device. The beneficial effects achieved by the utility model are as follows: the utility model has a compact structure, simple and convenient operation, and strong practicality. By setting a positioning mechanism, the material can be stably clamped to prevent the material from slipping during the sintering process. At the same time, by setting a transmission mechanism, the material can be driven to rotate forward and backward, so that the equipment can sinter the surface of the material more evenly, which greatly improves the sintering effect and is beneficial to practical use.

[0004] In the above patent, although the device can drive the material to rotate forward and backward by setting a transmission mechanism, so that the equipment can sinter the surface of the material more evenly, the clamping surface of the material and the positioning mechanism is often easily blocked, resulting in a relatively poor sintering effect in the blocked part. In addition, after sintering is completed, the temperature in the furnace is usually at a high level, making it difficult to quickly remove the sintered material in the furnace in a short time, and it is also difficult to quickly add new material. For this reason, the utility model provides a high-performance and low-cost sintering device for processing grain boundary diffused NdFeB permanent magnets. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a high-performance and low-cost sintering device for processing grain boundary diffused NdFeB permanent magnets, which solves the problem that the clamping surfaces of the material and the positioning mechanism are often easily blocked, resulting in relatively poor sintering effect in the blocked parts, and after sintering is completed, the temperature in the furnace is usually at a high level, making it difficult to quickly remove the material that has been sintered in the furnace in a short time, and it is also difficult to quickly add new material.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a sintering device for processing high-performance and low-cost grain boundary diffusion NdFeB permanent magnets, including a furnace body, wherein a processing mechanism is arranged inside the furnace body for loading, unloading and tumbling materials, and the processing mechanism includes:

[0007] A feeding assembly, the feeding assembly comprises a connecting seat and a supporting platform, a plurality of material troughs are fixedly mounted on the rear surface of the connecting seat, a supporting block is symmetrically fixedly connected to the top of the material trough near the left side, and a flap is rotatably arranged on the outer surfaces of the opposite sides of two supporting blocks;

[0008] A drive assembly, the drive assembly comprising a motor and a rack;

[0009] A turning assembly, the turning assembly comprising a rotating shaft and a baffle, and a turning roller is provided on the outer wall fixed sleeve of the rotating shaft;

[0010] A material discharge assembly, wherein the material discharge assembly comprises a material guide plate.

[0011] Preferably, a plurality of heating tubes are arranged between the inner walls of the furnace body, a feed port is penetrated through the right surface of the furnace body, and a discharge port is penetrated through the left surface of the furnace body.

[0012] Preferably, a first electric push rod is fixedly installed on the front surface of the furnace body near the top, a first door panel is fixedly installed on the telescopic end of the first electric push rod, a plurality of fixed plates are fixedly connected to the bottom of the first door panel, a first limit plate is symmetrically and movably provided on the outer surface of the first door panel, and the first limit plate is fixedly installed on the right surface of the furnace body.

[0013] Preferably, a second electric push rod is fixedly mounted on the rear surface of the furnace body, a second door panel is fixedly mounted on the telescopic end of the second electric push rod, a second limit plate is symmetrically and movably arranged on the outer surface of the second door panel, and the second limit plate is fixedly mounted on the left surface of the furnace body.

[0014] Preferably, the support platform is fixedly mounted on the right surface of the furnace body, a plurality of slide grooves are provided on the top of the support platform, and the material trough cooperates with the slide grooves.

[0015] Preferably, the motor is fixedly mounted on the outer surface of the furnace body, a crank is fixedly mounted on the output end of the motor, the outer surface of the crank is fixedly connected to a cylindrical rod, the outer movable sleeve of the cylindrical rod is provided with a connecting rod, one side outer surface of the connecting rod is fixedly connected to a rack, the outer surface of the rack is slidably provided with a slide rail, the bottom of the slide rail is fixedly connected to a connecting plate, and the connecting plate is fixedly connected to the left surface of the furnace body.

[0016] Preferably, the number of the rotating shaft and the baffle are set to be multiple, the baffle is fixedly installed on the inner bottom of the furnace body, and the baffle is arranged on both sides of the flip roller, one end of the rotating shaft movably passes through the inner wall of the furnace body and extends to the outside, and the end of the rotating shaft is fixedly connected to a gear, and the gear is meshed with the rack.

[0017] Preferably, the material guide plate is fixedly mounted on the inner wall of the material discharge port, a rectangular groove is penetrated through the bottom of the material guide plate, a material box is embedded inside the rectangular groove, a bracket is symmetrically fixedly mounted on the bottom of the material guide plate, and the bracket is fixedly mounted on the left outer wall of the furnace body.

[0018] Beneficial Effects

[0019] The utility model provides a high-performance and low-cost grain boundary diffused NdFeB permanent magnet sintering device. Compared with the prior art, it has the following beneficial effects:

[0020] (1) The high-performance, low-cost grain boundary diffused NdFeB permanent magnet sintering device drives the crank to rotate by starting the motor, and causes the rack to make a lateral reciprocating motion through the connecting rod, thereby driving the gear to intermittently rotate forward or reverse, and then driving the turning roller to rotate synchronously. When the turning roller rotates, the material on the surface of the material trough can be turned back and forth to avoid the material being blocked, thereby improving the sintering effect of the material.

[0021] (2) The sintering device for processing high-performance and low-cost grain boundary diffusion NdFeB permanent magnets uses a handle on the connecting seat to push the material trough to the inside of the furnace body. During the pushing process, the sintered material contacts the flap, so that the material can be pushed to the left. At this time, the material slides along the inclined surface on the guide plate into the material box, making it convenient for the staff to take away the sintered material and avoiding contact between personnel and materials, thereby reducing installation hazards and improving work efficiency. The material trough is pulled back through the connecting seat. Since the fixed plate blocks the material, the material is squeezed out of the trough under the reaction force and falls on the flip roller, thereby avoiding personnel entering the equipment to operate, reducing safety hazards and further improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional appearance schematic diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of the three-dimensional appearance of the utility model from another viewing angle;

[0024] Figure 3 This is a cross-sectional view of the furnace body of the utility model;

[0025] Figure 4 It is a cross-sectional view of the flap of the utility model;

[0026] Figure 5 This is a three-dimensional schematic diagram of the driving component of the utility model;

[0027] Figure 6 It is a three-dimensional appearance schematic diagram of the blanking component of the utility model.

[0028] In the figure: 1, furnace body; 11, heating tube; 12, feed port; 13, discharge port; 2, processing mechanism; 21, feeding assembly; 211, connecting seat; 212, material trough; 213, support block; 214, flap; 215, support table; 216, slide; 22, driving assembly; 221, motor; 222, crank; 223, cylindrical rod; 224, connecting rod; 225, rack; 226, slide rail; 2 27. Connecting plate; 23. Turning assembly; 231. Rotating shaft; 232. Turning roller; 233. Gear; 234. Baffle; 24. Unloading assembly; 241. Guide plate; 242. Bracket; 243. Rectangular groove; 244. Material box; 3. First electric push rod; 31. First door panel; 32. First limit plate; 33. Fixed plate; 4. Second electric push rod; 41. Second door panel; 42. Second limit plate. DETAILED DESCRIPTION

[0029] 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.

[0030] The utility model provides two technical solutions:

[0031] Figure 1-Figure 6 The first embodiment is shown: a sintering device for processing high-performance and low-cost grain boundary diffusion NdFeB permanent magnets, comprising a furnace body 1, wherein a processing mechanism 2 is provided inside the furnace body 1 for loading, unloading and tumbling materials, and the processing mechanism 2 includes:

[0032] The feeding assembly 21 includes a connecting seat 211 and a supporting platform 215, and a handle is provided on the connecting seat 211 for convenient operation by personnel. A plurality of material troughs 212 are fixedly installed on the rear surface of the connecting seat 211, and a supporting block 213 is symmetrically fixedly connected to the top of the material trough 212 near the left side, and a flap 214 is rotatably provided on the outer surface of the opposite sides of the two supporting blocks 213, and the flap 214 can only be flipped in one direction;

[0033] A driving assembly 22, the driving assembly 22 comprises a motor 221 and a rack 225;

[0034] The turning assembly 23 includes a rotating shaft 231 and a baffle 234. The baffle 234 can keep the material on the turning roller 232 at all times, which is conducive to the turning of the material. The outer wall of the rotating shaft 231 is fixedly sleeved with a turning roller 232, and the turning roller 232 is provided with anti-skid stripes to prevent the material from slipping when the material is turned over.

[0035] The material discharge assembly 24 includes a material guide plate 241 , and the material guide plate 241 is convenient for guiding the sintered materials into the material box 244 .

[0036] A plurality of heating tubes 11 are arranged between the inner walls of the furnace body 1, a feed port 12 is penetrated through the right surface of the furnace body 1, a discharge port 13 is penetrated through the left surface of the furnace body 1, a first electric push rod 3 is fixedly installed near the top of the front surface of the furnace body 1, a first door panel 31 is fixedly installed at the telescopic end of the first electric push rod 3, a plurality of fixing plates 33 are fixedly connected to the bottom of the first door panel 31, and the fixing plates 33 are arranged in a U shape, and the fixing plates 33 are arranged to facilitate pushing the material in the material trough 212 onto the flip roller 232 under the reaction force, and the outer surface of the first door panel 31 is symmetrically and movably provided with a first limiting plate 32, and the first limiting plate 32 is arranged to limit and For guiding purpose, the first limit plate 32 is fixedly mounted on the right surface of the furnace body 1, the rear surface of the furnace body 1 is fixedly mounted with a second electric push rod 4, the telescopic end of the second electric push rod 4 is fixedly mounted with a second door panel 41, the outer surface of the second door panel 41 is symmetrically and movably provided with a second limit plate 42, and the second limit plate 42 is provided to limit and guide the second door panel 41, the second limit plate 42 is fixedly mounted on the left surface of the furnace body 1, the support platform 215 is fixedly mounted on the right surface of the furnace body 1, a plurality of slide grooves 216 are provided on the top of the support platform 215, the material trough 212 cooperates with the slide grooves 216, and the slide grooves 216 are provided to guide the material trough 212.

[0037] By starting the motor 221 to drive the crank 222 to rotate, the connecting rod 224 is used to make the rack 225 do transverse reciprocating motion, thereby driving the gear 233 to intermittently rotate forward or reverse, and then driving the turning roller 232 to rotate synchronously. When the turning roller 232 rotates, the material on the surface of the trough 212 can be rolled back and forth.

[0038] Figure 1-Figure 6A second embodiment is shown, which mainly differs from the first embodiment in that: a motor 221 is fixedly mounted on the outer surface of the furnace body 1, a crank 222 is fixedly mounted on the output end of the motor 221, a cylindrical rod 223 is fixedly connected to the outer surface of the crank 222, a connecting rod 224 is provided on the outer movable sleeve of the cylindrical rod 223, one side outer surface of the connecting rod 224 is fixedly connected to a rack 225, a slide rail 226 is slidably provided on the outer surface of the rack 225, and the slide rail 226 is used to limit and guide the rack 225, a connecting plate 227 is fixedly connected to the bottom of the slide rail 226, and the connecting plate 227 is fixedly connected to the left surface of the furnace body 1, the number of the rotating shaft 231 and the baffle 234 are both set to multiple, the baffle 234 is fixedly mounted on the inner bottom of the furnace body 1, and the baffle 234 is arranged On both sides of the flip roller 232, one end of the rotating shaft 231 movably passes through the inner wall of the furnace body 1 and extends to the outside, and the end of the rotating shaft 231 is fixedly connected with a gear 233, which meshes with the rack 225. The guide plate 241 is fixedly installed on the inner wall of the discharge port 13, and a rectangular groove 243 is opened through the bottom of the guide plate 241. A material box 244 is embedded in the rectangular groove 243. The material box 244 is provided to facilitate the collection of materials after sintering, and a handle is also provided on the top of the material box 244 for easy operation by personnel. The bottom of the guide plate 241 is symmetrically fixed with a bracket 242, and the bracket 242 is fixedly installed on the left outer wall of the furnace body 1. By providing the bracket 242, the guide plate 241 is supported, thereby improving the stability of the guide plate 241.

[0039] The material trough 212 is pushed to move to the inside of the furnace body 1 through the handle on the connecting seat 211. During the pushing process, the sintered material contacts the flap 214, so that the material can be pushed to the left. The material trough 212 is pulled back through the connecting seat 211. Since the fixed plate 33 blocks the material, the reaction force squeezes the material out of the trough 212 and falls on the flip roller 232.

[0040] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0041] During operation, the crank 222 is driven to rotate by starting the motor 221, and the rack 225 is made to do transverse reciprocating motion through the connecting rod 224, thereby driving the gear 233 to intermittently rotate forward or reverse, and then driving the flip roller 232 to rotate synchronously. When the flip roller 232 rotates, the material on the surface of the trough 212 can be rolled back and forth to avoid the material being blocked, thereby improving the sintering effect of the material. When it is necessary to add new materials and unload materials, a proper amount of materials is placed on the trough 212 in advance, and the first electric push rod 3 and the second electric push rod 4 are started to pull the second door panel 41 and the first door panel 31 upward respectively. At this time, the trough 212 is pushed to the inside of the furnace body 1 through the handle on the connecting seat 211. During the pushing process, the sintered materials and the flip plate 214 are moved together. The material 212 is in contact with the material guide plate 241, thereby pushing the material to the left. At this time, the material slides along the inclined surface on the guide plate 241 into the material box 244, so that the staff can take away the material after sintering is completed, avoiding contact between personnel and materials, thereby reducing installation hazards and improving work efficiency. After that, the second door panel 41 is closed, and the first electric push rod 3 is used to push the first door panel 31 to move downward until the fixed plate 33 is inside the material trough 212. At this time, the material trough 212 is pulled back through the connecting seat 211. Since the fixed plate 33 blocks the material and the flap 214 can be folded upward, the material is squeezed out of the trough 212 under the reaction force and falls on the flip roller 232, thereby avoiding personnel entering the equipment to operate, reducing safety hazards and further improving work efficiency.

[0042] 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.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sintering device for processing high-performance and low-cost grain boundary diffused NdFeB permanent magnets, comprising a furnace body (1), characterized in that: A processing mechanism (2) is provided inside the furnace body (1) for loading, unloading and tumbling materials, and the processing mechanism (2) comprises: A feeding assembly (21), the feeding assembly (21) comprising a connecting seat (211) and a supporting platform (215), a plurality of material troughs (212) being fixedly mounted on the rear surface of the connecting seat (211), a supporting block (213) being symmetrically fixedly connected to the top of the material trough (212) near the left side, and a flap (214) being rotatably arranged on the outer surfaces of opposite sides of two of the supporting blocks (213); A drive assembly (22), the drive assembly (22) comprising a motor (221) and a rack (225); A turning assembly (23), the turning assembly (23) comprising a rotating shaft (231) and a baffle (234), the outer wall of the rotating shaft (231) being fixedly sleeved with a turning roller (232); A material unloading assembly (24), wherein the material unloading assembly (24) comprises a material guide plate (241).

2. The sintering device for processing high-performance and low-cost grain boundary diffused NdFeB permanent magnets according to claim 1 is characterized in that: A plurality of heating tubes (11) are arranged between the inner walls of the furnace body (1), a feed port (12) is opened through the right surface of the furnace body (1), and a discharge port (13) is opened through the left surface of the furnace body (1).

3. The sintering device for processing high-performance and low-cost grain boundary diffused NdFeB permanent magnets according to claim 1 is characterized in that: A first electric push rod (3) is fixedly mounted on the front surface of the furnace body (1) near the top, a first door panel (31) is fixedly mounted on the telescopic end of the first electric push rod (3), a plurality of fixed plates (33) are fixedly connected to the bottom of the first door panel (31), a first limit plate (32) is symmetrically and movably arranged on the outer surface of the first door panel (31), and the first limit plate (32) is fixedly mounted on the right surface of the furnace body (1).

4. The sintering device for processing high-performance and low-cost grain boundary diffused NdFeB permanent magnets according to claim 1 is characterized in that: A second electric push rod (4) is fixedly mounted on the rear surface of the furnace body (1); a second door panel (41) is fixedly mounted on the telescopic end of the second electric push rod (4); a second limit plate (42) is symmetrically and movably arranged on the outer surface of the second door panel (41); and the second limit plate (42) is fixedly mounted on the left surface of the furnace body (1).

5. The sintering device for processing high-performance and low-cost grain boundary diffused NdFeB permanent magnets according to claim 1 is characterized in that: The support platform (215) is fixedly mounted on the right surface of the furnace body (1); a plurality of slide grooves (216) are provided on the top of the support platform (215); and the material trough (212) cooperates with the slide grooves (216).

6. The sintering device for processing high-performance and low-cost grain boundary diffused NdFeB permanent magnets according to claim 1, characterized in that: The motor (221) is fixedly mounted on the outer surface of the furnace body (1); a crank (222) is fixedly mounted on the output end of the motor (221); the outer surface of the crank (222) is fixedly connected to a cylindrical rod (223); a connecting rod (224) is provided on the outer movable sleeve of the cylindrical rod (223); an outer surface of one side of the connecting rod (224) is fixedly connected to a rack (225); a slide rail (226) is slidably provided on the outer surface of the rack (225); a connecting plate (227) is fixedly connected to the bottom of the slide rail (226); and the connecting plate (227) is fixedly connected to the left surface of the furnace body (1).

7. The sintering device for processing high-performance and low-cost grain boundary diffused NdFeB permanent magnets according to claim 1 is characterized in that: The number of the rotating shaft (231) and the baffle (234) is set to be multiple, the baffle (234) is fixedly installed on the inner bottom of the furnace body (1), and the baffle (234) is arranged on both sides of the flip roller (232), one end of the rotating shaft (231) movably passes through the inner wall of the furnace body (1) and extends to the outside, and the end of the rotating shaft (231) is fixedly connected to a gear (233), and the gear (233) is meshed with a rack (225).

8. The sintering device for processing high-performance and low-cost grain boundary diffused NdFeB permanent magnets according to claim 2, characterized in that: The material guide plate (241) is fixedly mounted on the inner wall of the material discharge port (13); a rectangular groove (243) is provided through the bottom of the material guide plate (241); a material box (244) is embedded in the interior of the rectangular groove (243); a bracket (242) is symmetrically fixedly mounted on the bottom of the material guide plate (241); and the bracket (242) is fixedly mounted on the left outer wall of the furnace body (1).

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