A polishing device for a tubular neodymium-iron-boron magnet

Abstract

A grinding device for tubular NdFeB magnets, used for grinding tubular magnets, includes a base platform on which a feeding mechanism, a transfer mechanism, and a grinding mechanism are mounted. The feeding mechanism includes a material tray, a sorting seat, and a pushing cylinder. The material tray is connected to a feeding chute, and the sorting seat is mounted at the end of the feeding chute. The sorting seat has a through groove, through which the magnet to be ground enters the through groove of the sorting seat via the feeding chute. The pushing cylinder is connected to a pushing rod adapted to the through groove. The transfer mechanism includes a sliding seat plate, which is mounted on the base platform via a first sliding module. A fixing component is mounted on the sliding seat plate. The fixing component includes a first clamping plate and a second clamping plate, both of which have clamping half-grooves. The clamping half-grooves on the two clamping plates cooperate to form a clamping groove for placing the magnet. The grinding mechanism includes a clamping component and a grinding component arranged opposite to each other.

Description

Technical Field

[0001] This invention belongs to the field of grinding technology for tubular magnetic components, and specifically relates to a grinding device for tubular neodymium iron boron magnetic components. Background Technology

[0002] In the manufacturing of tubular magnetic components, especially for high-performance neodymium iron boron magnets, the quality of surface treatment directly affects the magnetic properties, dimensional accuracy, and suitability for subsequent assembly. Traditionally, the polishing of tubular magnetic components has mostly relied on manual or semi-automatic equipment, which involves a lot of manual operation and is inefficient, limiting production efficiency and product quality in several ways.

[0003] Therefore, based on some of the situations in the prior art described above, this application has made further designs and improvements. Summary of the Invention

[0004] In view of the shortcomings of the prior art, the tubular NdFeB magnet grinding equipment proposed in this application realizes the automation of the entire process from magnet loading, precise positioning, automatic clamping to efficient grinding through the integrated material discharge, transfer and grinding mechanism. This greatly reduces manual intervention, significantly improves processing efficiency, and ensures the consistency and stability of magnet grinding.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution.

[0006] A grinding device for tubular NdFeB magnets, used for grinding tubular magnets, includes a base, on which a discharge mechanism, a transfer mechanism and a grinding mechanism are assembled.

[0007] The discharge mechanism includes a material tray, a sorting seat, and a pusher cylinder. The material tray is connected to a discharge slide, and the sorting seat is assembled at the end of the discharge slide. The sorting seat has a through groove, and the magnetic parts to be ground enter the through groove of the sorting seat through the discharge slide. The pusher cylinder is connected to a pusher rod adapted to the through groove.

[0008] The transfer mechanism includes a sliding base plate, which is mounted on a base via a first sliding module. A fixing assembly is mounted on the sliding base plate. The fixing assembly includes a first clamping plate and a second clamping plate, each with a clamping half-groove. These clamping half-grooves cooperate to form a clamping groove for placing magnetic components. The first clamping plate is fixedly mounted to the sliding base plate, and the second clamping plate is fixedly mounted to the sliding base plate via a second sliding module. A material discharge port is provided on the sliding base plate, and a material discharge ramp is provided on the base.

[0009] The polishing mechanism includes a clamping assembly and a polishing assembly arranged opposite each other. The clamping assembly and the polishing assembly cooperate to polish the outer wall of the magnetic component.

[0010] Preferably, the clamping assembly includes a clamping mounting base, on which a plurality of clamping blocks are arranged in a ring, and a reset structure for resetting the clamping blocks is provided inside the clamping mounting base.

[0011] The polishing assembly includes a polishing mounting base, on which a plurality of polishing blocks are arranged in a ring. The polishing mounting base is provided with a reset structure that allows the polishing blocks to abut against the outer wall of the magnetic component.

[0012] Preferably, the inward surfaces of the plurality of clamping blocks cooperate to form a frustum-shaped expansion cavity, and an expansion block that cooperates with the expansion cavity is rotatably mounted on the grinding mounting base. The outward surfaces of the plurality of clamping blocks abut against the inner wall of the magnetic component to clamp the magnetic component, and the inward surfaces of the plurality of grinding blocks serve as grinding surfaces to grind the outer wall of the magnetic component.

[0013] Preferably, the clamping mounting base is provided with a rotating groove, and the end of the grinding block is provided with a rolling element.

[0014] Preferably, the reset structure includes a reset sliding post, and the clamping mounting base or grinding mounting base is provided with a sliding cavity for accommodating the reset sliding post. The reset sliding post is provided with a retaining ring and a reset spring, and the sliding cavity includes a reset cavity for accommodating the retaining ring and the reset spring.

[0015] The reset sliding column is provided with a limit post, and the clamping mounting base or grinding mounting base is provided with a limit groove for the limit post to slide.

[0016] Preferably, both the clamping assembly and the grinding assembly include a feed base plate and a feed cylinder. The feed base plate is assembled with the base plate through a feed sliding module, and the feed cylinder is connected to the feed base plate.

[0017] The clamping assembly further includes a fixing base, on which a clamping chuck is mounted, and a clamping mounting base is mounted on the clamping chuck.

[0018] The grinding assembly also includes a grinding motor and a transmission box. The grinding motor and the transmission box are connected by a belt drive module. A grinding chuck is mounted on the transmission box, and the grinding mounting base is mounted on the grinding chuck.

[0019] Preferably, the discharge mechanism further includes a hopper, the bottom of which is provided with a discharge ramp, the end of which is located above the material tray.

[0020] The hopper is mounted on the material rack, and the material rack is equipped with a material blocking cylinder. The material blocking cylinder is connected to a material blocking plate, and the material blocking plate extends into the material blocking ramp.

[0021] Preferably, the sliding seat plate is further provided with a material dropping seat, the first clamping plate is installed on the material dropping seat, the material dropping seat is provided with an auxiliary slide rail below the clamping half groove corresponding to the first clamping plate, and the material dropping port is located at the end of the auxiliary slide rail.

[0022] Compared with the prior art, this application has the following advantages: through highly automated design, it significantly improves processing efficiency, reduces reliance on manpower, and ensures the stability and consistency of the magnetic parts grinding production process. Attached Figure Description

[0023] Figure 1 This is a 3D schematic diagram of the grinding equipment.

[0024] Figure 2 This is a top view of the grinding equipment.

[0025] Figure 3 This is a magnified view of a portion of the grinding equipment at the discharge mechanism.

[0026] Figure 4 This is a three-dimensional schematic diagram of the transfer mechanism.

[0027] Figure 5 This is a three-dimensional schematic diagram of the sliding seat plate.

[0028] Figure 6 This is a planar schematic diagram of the polishing component.

[0029] Figure 7 This is a planar schematic diagram of the clamping assembly.

[0030] Figure 8 This is a schematic diagram of the structure for grinding the mounting base.

[0031] Figure 9 This is a schematic diagram of the clamping mounting base.

[0032] The following is an explanation of the markings in the accompanying drawings:

[0033] 100. Discharge mechanism; 110. Material tray; 111. Discharge chute; 120. Sorting seat; 130. Push cylinder; 131. Push rod; 140. Hopper; 141. Discharge ramp; 150. Material rack; 160. Baffle cylinder; 161. Baffle plate;

[0034] 200. Transfer mechanism; 210. Sliding seat plate; 211. Material discharge port; 220. First sliding module; 230. First clamping plate; 231. Second clamping plate; 232. Clamping half groove; 240. Second sliding module; 250. Material discharge seat; 251. Auxiliary slide rail;

[0035] 300. Grinding mechanism; 310. Clamping mounting base; 311. Clamping block; 312. Fixed base; 313. Clamping chuck; 314. Rotating slide groove; 320. Grinding mounting base; 321. Grinding block; 322. Grinding motor; 323. Transmission box; 324. Belt drive module; 325. Grinding chuck; 326. Expansion block; 327. Rolling element; 330. Reset sliding column; 331. Retaining ring; 332. Reset spring; 333. Limiting column; 334. Limiting slide groove; 335. Sliding cavity; 340. Feed base plate; 341. Feed sliding module; 342. Feed cylinder;

[0036] 400, base; 401, material discharge ramp; 410, magnetic component. Detailed Implementation

[0037] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0038] In the following embodiments, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0039] In the description of this invention, it should be understood that terms such as center, longitudinal, transverse, length, width, thickness, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer, clockwise, counterclockwise, etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing and simplifying the description of this invention; therefore, they should not be construed as limiting this invention. Furthermore, terms such as first, second, etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features shown. In the description of this invention, unless otherwise expressly specified and limited, terms such as installation, connection, linking, etc., should be interpreted broadly, and those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0040] refer to Figures 1 to 9 A grinding device for tubular neodymium iron boron magnets 410, used for grinding tubular magnets 410, includes a base 400, on which a discharge mechanism 100, a transfer mechanism 200 and a grinding mechanism 300 are assembled.

[0041] The specific structure of the discharge mechanism 100 of this application is as follows: it includes a material tray 110, a sorting seat 120, and a pusher cylinder 130. The material tray 110 is connected to a discharge slide 111, and the sorting seat 120 is assembled at the end of the discharge slide 111. The sorting seat 120 is provided with a through groove, and the magnetic part 410 to be ground enters the through groove of the sorting seat 120 through the discharge slide 111. The pusher cylinder 130 is connected to a pusher rod 131 adapted to the through groove. The combination of the material tray 110 and the discharge slide 111 ensures the smooth transfer of the magnetic part 410, while the through groove design in the sorting seat 120, together with the pusher rod 131, can further guide and sort the magnetic part 410, so that it can enter the subsequent processing stage in a specific posture, ensuring the continuity and efficiency of the processing, and improving the automation level of the overall discharge system.

[0042] To further improve the automation level of material discharge, the discharge mechanism 100 also includes a hopper 140, the bottom of which is provided with a discharge ramp 141, the end of which is located above the material tray 110. The hopper 140 is mounted on a material rack 150, which is equipped with a baffle cylinder 160. The baffle cylinder 160 is connected to a baffle plate 161, which extends into the baffle ramp. This design significantly increases the capacity of each feeding, greatly reduces the frequency of manual intervention, thereby reducing labor intensity and improving production efficiency.

[0043] The specific structure of the transfer mechanism 200 of this application is as follows: it includes a sliding base plate 210, which is assembled on the base 400 via a first sliding module 220. A fixing component is mounted on the sliding base plate 210. The fixing component includes a first clamping plate 230 and a second clamping plate 231. Both the first clamping plate 230 and the second clamping plate 231 are provided with clamping half-grooves 232, which cooperate to form a clamping groove for placing the magnetic component 410. The first clamping plate 230 is assembled and fixed to the sliding base plate 210, and the second clamping plate 231 is assembled and fixed to the sliding base plate 210 via a second sliding module 240. A material discharge port 211 is provided on the sliding base plate 210, and a material discharge ramp 401 is provided on the base 400.

[0044] During the transfer process, the clamping half-grooves 232 on the first clamping plate 230 and the second clamping plate 231 cooperate to form a complete clamping groove, clamping and fixing the magnetic component 410 pushed from the through groove. The sliding base plate 210 moves smoothly on the base 400 through the first sliding module 220, transferring the magnetic component 410 to the grinding mechanism 300 for grinding. After the grinding operation is completed, the second sliding module 240 drives the second clamping plate 231 to move backward, and the magnetic component 410 is automatically released and falls into the discharge port 211, and then smoothly slides down the discharge ramp 401 set on the base 400 to complete the entire processing flow. This design significantly improves production continuity and operational efficiency, while reducing the labor intensity of operators and potentially reducing product damage caused by human error, thereby optimizing resource utilization and production costs while ensuring product quality.

[0045] Furthermore, a material drop seat 250 is also provided on the sliding seat plate 210. The first clamping plate 230 is installed on the material drop seat 250. An auxiliary slide 251 is provided below the clamping half groove 232 corresponding to the first clamping plate 230 on the material drop seat 250. The material drop port 211 is located at the end of the auxiliary slide 251. Specifically, the setting of the auxiliary slide 251 ensures that the magnetic component 410 can slide smoothly along the preset path of the auxiliary slide 251 after release. This design effectively prevents the magnetic component 410 from being misaligned and falling, avoiding the problem of the magnetic component 410 falling outside the material drop port 211. At the same time, it also significantly reduces the impact force of the magnetic component 410 falling, preventing damage that may be caused by direct impact with the sliding seat plate 210.

[0046] The polishing mechanism 300 described in this application includes a clamping assembly and a polishing assembly disposed opposite to each other. The clamping assembly and the polishing assembly cooperate to polish the outer wall of the magnetic component 410. The clamping assembly includes a clamping mounting base 310, on which a plurality of ring-shaped clamping blocks 311 are mounted, and a reset structure for resetting the clamping blocks 311 is provided within the clamping mounting base 310. The polishing assembly includes a polishing mounting base 320, on which a plurality of ring-shaped polishing blocks 321 are mounted, and a reset structure for pressing the polishing blocks 321 against the outer wall of the magnetic component 410 is provided within the polishing mounting base 320.

[0047] The clamping assembly and the grinding assembly have identical reset structures, both including a reset sliding post 330. The clamping mounting base 310 or the grinding mounting base 320 has a sliding cavity 335 for accommodating the reset sliding post 330. The reset sliding post 330 is provided with a retaining ring 331 and a reset spring 332. The sliding cavity 335 includes a reset cavity for accommodating the retaining ring 331 and the reset spring 332. The reset sliding post 330 is provided with a limiting post 333, and the clamping mounting base 310 or the grinding mounting base 320 is provided with a limiting groove 334 for the limiting post 333 to slide.

[0048] Furthermore, both the clamping assembly and the grinding assembly include a feed base plate 340 and a feed cylinder 342. The feed base plate 340 is assembled to the base 400 via a feed sliding module 341, and the feed cylinder 342 is connected to the feed base plate 340. The clamping assembly also includes a fixing seat 312, on which a clamping chuck 313 is mounted, and a clamping mounting seat 310 is mounted on the clamping chuck 313. The grinding assembly also includes a grinding motor 322 and a transmission box 323, which are connected via a belt drive module 324. A grinding chuck 325 is mounted on the transmission box 323, and the grinding mounting seat 320 is mounted on the grinding chuck 325.

[0049] The polishing scheme of this application is designed as follows: the inward surfaces of several clamping blocks 311 cooperate to form a frustum-shaped expansion cavity, and an expansion block 326 that cooperates with the expansion cavity is rotatably mounted on the polishing mounting base 320. The outward surfaces of the several clamping blocks 311 abut against the inner wall of the magnetic component 410 to clamp the magnetic component 410, and the inward surfaces of the several polishing blocks 321 serve as polishing surfaces to polish the outer wall of the magnetic component 410. The clamping mounting base 310 is provided with a rotating slide groove 314, and the end of the polishing block 321 is provided with a rolling element 327.

[0050] The working principle of the grinding mechanism 300 is as follows: The clamping assembly moves forward, causing the clamping block 311 to extend into the magnetic component 410. At this time, under the action of the reset structure, the diameter of the column formed by the cooperation of several clamping blocks 311 is smaller than the inner diameter of the magnetic component 410. At this time, the magnetic component 410 is already hung on the clamping assembly, and the first clamping plate 230 and the second clamping plate 231 release their clamping of the magnetic component 410. Then the grinding assembly moves forward, and the expansion block 326 of the grinding assembly is inserted into the expansion cavity. The diameter of the column formed by the cooperation of the clamping blocks 311 increases, and at the same time, the inner surface of the grinding block 321 contacts the outer wall of the magnetic component 410 until the outer surface of the clamping block 311 abuts against the inner wall of the magnetic component 410. The rolling element 327 on the grinding block 321 enters the rotating groove 314, thereby achieving the clamping of the magnetic component 410. Then, the grinding motor 322 drives the grinding mounting base 320 to rotate, and the inner surface of the grinding block 321 grinds the outer wall of the magnetic component 410. After grinding is completed, the grinding assembly retracts, and the first clamping plate 230 and the second clamping plate 231 cooperate to fix the magnetic component 410, and then the clamping assembly retracts. After the grinding mechanism 300 returns to its original position, the second clamping plate 231 retracts, releasing the clamp on the magnetic component 410, and the magnetic component 410 falls into the discharge port 211.

[0051] The grinding mechanism 300 of this application not only achieves high-precision grinding of the magnetic outer wall parts, but also automatically clamps and unloads the material, improving processing efficiency, reducing reliance on manual labor, and ensuring the stability and consistency of the grinding production process of the magnetic parts 410.

[0052] The scope of protection of this invention includes, but is not limited to, the above embodiments. The scope of protection of this invention is defined by the claims. Any substitutions, modifications, or improvements to this technology that are easily conceived by those skilled in the art fall within the scope of protection of this invention.

Claims

1. A grinding device for tubular neodymium iron boron magnets, used for grinding tubular magnets (410), characterized in that, Includes a base (400), on which are mounted: The discharge mechanism (100) includes a material tray (110), a sorting seat (120), and a pusher cylinder (130). The material tray (110) is connected to a discharge slide (111), and the sorting seat (120) is mounted at the end of the discharge slide (111). The sorting seat (120) has a through groove, and the magnetic parts (410) to be ground enter the through groove of the sorting seat (120) through the discharge slide (111). The pusher cylinder (130) is connected to a pusher rod (131) that is compatible with the through groove. A transfer mechanism (200) includes a sliding base plate (210), which is mounted on a base (400) via a first sliding module (220). A fixing component is mounted on the sliding base plate (210). The fixing component includes a first clamping plate (230) and a second clamping plate (231). Both the first clamping plate (230) and the second clamping plate (231) are provided with clamping half-grooves (232). The clamping half-grooves (232) on the two clamping plates cooperate to form a clamping groove for placing a magnetic component (410). The first clamping plate (230) is fixedly mounted to the sliding base plate (210), and the second clamping plate (231) is fixedly mounted to the sliding base plate (210) via a second sliding module (240). A polishing mechanism (300) includes a clamping assembly and a polishing assembly disposed opposite to each other; the clamping assembly and the polishing assembly cooperate to polish the outer wall of the magnetic component (410); The sliding seat plate (210) is provided with a material discharge port (211), and the base (400) is provided with a material discharge ramp (401).

2. The grinding equipment for tubular NdFeB magnets according to claim 1, characterized in that, The clamping assembly includes a clamping mounting base (310), on which a plurality of clamping blocks (311) are arranged in a ring, and a reset structure for resetting the clamping blocks (311) is provided inside the clamping mounting base (310). The polishing assembly includes a polishing mounting base (320), on which a plurality of annularly distributed polishing blocks (321) are mounted. The polishing mounting base (320) is provided with a reset structure that allows the polishing blocks (321) to abut against the outer wall of the magnetic component (410).

3. The grinding equipment for tubular NdFeB magnets according to claim 2, characterized in that, The inward surfaces of several clamping blocks (311) cooperate to form a frustum-shaped expansion cavity. An expansion block (326) that cooperates with the expansion cavity is rotatably mounted on the grinding mounting base (320). The outward surfaces of several clamping blocks (311) cooperate to abut against the inner wall of the magnetic component (410) to clamp the magnetic component (410). The inward surfaces of several grinding blocks (321) serve as grinding surfaces to grind the outer wall of the magnetic component (410).

4. The grinding equipment for tubular NdFeB magnets according to claim 3, characterized in that, The clamping mounting base (310) is provided with a rotating slide groove (314), and the end of the grinding block (321) is provided with a rolling element (327).

5. The grinding equipment for tubular NdFeB magnets according to claim 2, characterized in that, The reset structure includes a reset sliding post (330), and the clamping mounting base (310) or grinding mounting base (320) is provided with a sliding cavity (335) for accommodating the reset sliding post (330). The reset sliding post (330) is provided with a retaining ring (331) and a reset spring (332). The sliding cavity (335) includes a reset cavity for accommodating the retaining ring (331) and the reset spring (332). The reset sliding column (330) is provided with a limit column (333), and the clamping mounting base (310) or the grinding mounting base (320) is provided with a limit groove (334) for the limit column (333) to slide.

6. The grinding equipment for tubular NdFeB magnets according to claim 2, characterized in that, Both the clamping assembly and the grinding assembly include a feed base plate (340) and a feed cylinder (342). The feed base plate (340) is assembled with the base (400) through a feed sliding module (341), and the feed cylinder (342) is connected to the feed base plate (340). The clamping assembly further includes a fixing seat (312), on which a clamping chuck (313) is mounted, and the clamping mounting seat (310) is mounted on the clamping chuck (313); The grinding assembly also includes a grinding motor (322) and a transmission box (323). The grinding motor (322) and the transmission box (323) are connected by a belt drive module (324). A grinding chuck (325) is mounted on the transmission box (323). The grinding mounting base (320) is mounted on the grinding chuck (325).

7. The grinding equipment for tubular NdFeB magnets according to claim 1, characterized in that, The discharge mechanism (100) also includes a hopper (140), the bottom of which is provided with a discharge ramp (141), the end of which is located above the material tray (110); The hopper (140) is mounted on the rack (150), and the rack (150) is equipped with a baffle cylinder (160). The baffle cylinder (160) is connected to a baffle plate (161), which extends into the baffle ramp.

8. The grinding equipment for tubular NdFeB magnets according to claim 1, characterized in that, The sliding seat plate (210) is also provided with a material drop seat (250), the first clamping plate (230) is installed on the material drop seat (250), the material drop seat (250) is provided with an auxiliary slide (251) below the clamping half groove (232) corresponding to the first clamping plate (230), and the material drop port (211) is located at the end of the auxiliary slide (251).

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