Low-damage neodymium-iron-boron magnet grinding equipment

Abstract

The invention discloses low-damage neodymium-iron-boron magnet grinding machining equipment, and belongs to the technical field of magnetic material machining, the low-damage neodymium-iron-boron magnet grinding machining equipment comprises a station sliding table, a grinding mechanism is arranged on one side of the station sliding table, the grinding mechanism comprises a power box, a grinding motor is installed at one end in the power box, and a first key shaft is installed at the end of a driving shaft of the grinding motor; the first key shaft is provided with two transmission boxes in a penetrating mode, a first shaft sleeve is rotationally connected to one side in each transmission box and connected to the first key shaft in a bonding and sleeving mode, a supporting shaft sleeve is installed on the side, close to the station sliding table, in each transmission box, and a first rotating shaft is arranged in each supporting shaft sleeve in a penetrating and rotating mode. The first rotating shaft and the first shaft sleeve are provided with bevel gears and are in meshing transmission with each other, grinding wheel shaft sleeves are installed at the end of the first rotating shaft, rubber wheel shaft sleeves are arranged on the sides, close to the lifting sliding table, of the grinding wheel shaft sleeves, and the two grinding wheel shaft sleeves are located on the inner periphery and the outer periphery of the neodymium iron boron magnetic ring correspondingly. And stable production efficiency and production capacity are ensured.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of magnetic material processing, and particularly relates to a low-damage neodymium-iron-boron magnet grinding processing equipment. BACKGROUND

[0002] The neodymium-iron-boron magnet is widely applied in motors, sensors, loudspeakers and other high-tech fields due to excellent magnetic performance, good temperature stability and mechanical strength. The neodymium-iron-boron magnet has various types, and the circular ring-shaped magnet is a main type in production. In the existing chamfering processing equipment, the ring-shaped workpiece is clamped and fixed, and then is polished and chamfered by a polishing device when the circular ring-shaped neodymium-iron-boron magnet is chamfered.

[0003] An application file with the publication number CN117697564AA discloses a clamping mechanism for neodymium-iron-boron magnet processing, which comprises a base plate, a processing bearing assembly arranged at the middle of the upper portion of the base plate, and limiting assemblies arranged on the left and right sides of the processing bearing assembly. The outer periphery of the limiting assemblies on the left and right sides is provided with clamping assemblies for clamping the neodymium-iron-boron magnet above the processing bearing assembly. The clamping assemblies are provided with inner polishing assemblies for grinding the inner wall of the neodymium-iron-boron magnet or supporting the neodymium-iron-boron magnet. The top of the limiting assemblies on the left and right sides is provided with outer polishing assemblies for grinding the outer wall of the neodymium-iron-boron magnet above the processing bearing assembly.

[0004] According to the above-mentioned patent and the prior art, it is found that the prior art cannot complete the grinding processing in all directions at one time, and multiple grinding operations are often required in succession, so that the processing efficiency of the continuous processing of the neodymium-iron-boron magnet is low. In addition, the prior art needs to be supported and positioned by a dot matrix clamping positioning structure during processing, which is easy to leave concave marks and damage. SUMMARY

[0005] The application aims at the above-mentioned problems and deficiencies, and provides a low-damage neodymium-iron-boron magnet grinding processing equipment, which improves the overall work efficiency.

[0006] The application at least solves the following technical problems: (1) The prior art cannot complete the grinding processing in all directions at one time, and multiple grinding operations are often required in succession, so that the processing efficiency of the continuous processing of the neodymium-iron-boron magnet is low. (2) The prior art needs to be supported and positioned by a dot matrix clamping positioning structure during processing, which is easy to leave concave marks and damage.

[0007] The purpose of the application can be realized by the following technical scheme: a low-damage neodymium iron boron magnet grinding processing equipment, comprising a work station sliding table, a grinding mechanism is arranged on one side of the work station sliding table, the grinding mechanism comprises a power box, a grinding motor is installed at one end in the power box, a first key shaft is installed at the driving shaft end of the grinding motor, two transmission boxes are installed through the first key shaft, a first shaft sleeve is rotatably connected to one side in the transmission box, the first shaft sleeve is keyed to the first key shaft, a support shaft sleeve is installed on one side of the transmission box close to the work station sliding table, a first rotating shaft is rotatably connected through the support shaft sleeve, the first rotating shaft and the first shaft sleeve are both installed with bevel gears and are in meshing transmission with each other, a grinding wheel shaft sleeve is installed at the end of the first rotating shaft, and each grinding wheel shaft sleeve is provided with a rubber wheel shaft sleeve on the side close to the lifting sliding table.

[0008] Preferably, the grinding mechanism comprises a displacement sliding table, a lifting sliding table is installed on the moving end of the displacement sliding table, support plates are installed on both end sides of the lifting sliding table, a lifting sliding rod is installed between the ends of the two support plates, a support sliding block is slidingly sleeved on the lifting sliding rod, the power box is arranged between the support sliding block and the moving end of the lifting sliding table, support mechanisms are installed on the moving end of the work station sliding table, two support mechanisms are provided and each has a length of one third of the work station sliding table, a neodymium iron boron magnetic ring is placed on the support mechanism, the neodymium iron boron magnetic ring that moves to the middle is in the grinding processing process, and the other neodymium iron boron magnetic ring is in the replacement process.

[0009] Preferably, a through sliding groove is formed in the bottom of the power box, a positioning sliding block is slidingly connected in the through sliding groove, a support sliding plate is installed between the positioning sliding block and the rubber wheel shaft sleeve, the first key shaft penetrates through the support sliding plate and keeps a gap with the support sliding plate, a second rotating shaft is rotatably connected to one side of the support sliding plate, and the rubber wheel shaft sleeve is spliced and sleeved on the second rotating shaft.

[0010] Preferably, two first sliding tables are installed on the top of the power box away from the lifting sliding table, a sliding groove is formed in the top of the power box to penetrate and slide with the moving end of the first sliding table, the first sliding tables are installed in one-to-one correspondence with the transmission boxes, two second sliding tables are installed on the bottom of the power box close to the lifting sliding table, and the second sliding tables are installed in one-to-one correspondence with the positioning sliding blocks.

[0011] Preferably, a connecting plate is installed on the middle of the side of the support plate on the top away from the work station sliding table, two chamfered sliding tables are installed on the lower surface of the connecting plate, the two chamfered sliding tables are symmetrical to each other, and a connecting block is installed on the moving end of the chamfered sliding table.

[0012] Preferably, a chamfering motor is installed on each of the opposite sides of the two connecting blocks, a second key shaft is installed at the end of the driving shaft of the chamfering motor away from the work station sliding table, two second shaft sleeves are slidingly sleeved on each second key shaft in a keyed manner, and chamfering grinding wheels are installed on the opposite sides of each pair of second shaft sleeves.

[0013] Preferably, the second shaft sleeve is rotatably connected with a transmission sliding block on each side thereof, the second key shaft penetrates the transmission sliding block and keeps a gap, each connecting block is provided with two third sliding tables arranged side by side on the side close to the work station sliding table, the third sliding tables are in one-to-one correspondence with the transmission sliding blocks and are connected with each other.

[0014] Preferably, the supporting mechanism comprises a mounting box, and the two sides of the mounting box are provided with fourth sliding tables, and the moving end of the fourth sliding table is provided with a supporting roller.

[0015] Preferably, the inner bottom of the mounting box is provided with a supporting motor, the inner top of the mounting box is rotatably connected with a third rotating shaft, the driving shaft of the supporting motor and the same side of the third rotating shaft are fixedly sleeved with transmission chain wheels, the two transmission chain wheels are driven by a transmission chain, and the middle part of the third rotating shaft is fixedly sleeved with a transmission roller.

[0016] Preferably, the side of the mounting box close to the grinding mechanism is provided with a clamping box, the inner middle part of the clamping box is provided with a clamping sliding rod, the clamping sliding rod is slidably sleeved with a clamping sliding block and a clamping spring, the clamping sliding block is slidably connected with the clamping box, the lower end of the clamping sliding block is fixedly connected with the clamping spring, the lower end of the clamping spring is fixedly connected with the clamping box, the side of the clamping sliding block close to the transmission roller is provided with a fourth rotating shaft, and the fourth rotating shaft is rotatably sleeved with a clamping roller above the transmission roller.

[0017] The present application has the following beneficial effects: (1) When working, the movement of the lifting slide table makes each pair of the sand wheel shaft sleeve and the rubber wheel shaft sleeve be located at the same horizontal plane with the horizontal diameter of the neodymium iron boron magnetic ring. The accurate movement of the shifting slide table makes the two sand wheel shaft sleeves be located at the inner and outer periphery of the neodymium iron boron magnetic ring respectively, and makes the two rubber wheel shaft sleeves be located at the outer and inner periphery of the neodymium iron boron magnetic ring respectively corresponding to the sand wheel shaft sleeve. The first slide table adjusts the position of the sand wheel shaft sleeve and accurately adjusts the pressure of the sand wheel shaft sleeve on the surface of the neodymium iron boron magnetic ring. The second slide table adjusts the position of the rubber wheel shaft sleeve and accurately adjusts the pressure of the rubber wheel shaft sleeve on the surface of the neodymium iron boron magnetic ring, thereby fixing the thickness of the neodymium iron boron magnetic ring and ensuring that the inner and outer periphery of the neodymium iron boron magnetic ring after grinding are concentric and coaxial. The chamfer slide table adjusts the height of the connecting block, thereby adjusting the height of each pair of chamfering sand wheel separately. The third slide table adjusts the horizontal position of each chamfering sand wheel separately, thereby making one pair of chamfering sand wheels accurately chamfer the outer periphery edge of the neodymium iron boron magnetic ring and making the other pair of chamfering sand wheels accurately chamfer the inner periphery edge of the neodymium iron boron magnetic ring, and cooperating with the sand wheel shaft sleeve, thereby synchronously completing the grinding and chamfering of the inner and outer peripheries and edges. A plurality of neodymium iron boron magnetic rings are arranged along the axial direction in the same batch. The work station slide table reciprocally moves the two supporting mechanisms, constantly moves the to-be-processed neodymium iron boron magnetic ring to one side of the grinding mechanism, and moves the processed neodymium iron boron magnetic ring to one position of the two sides, facilitating replacement and keeping the grinding mechanism stable and continuously working, thereby ensuring stable production efficiency and production capacity; (2) When working, the clamping slide block is first moved to the upper part of the clamping box, the clamping spring is stretched, and then the position of the supporting roller is adjusted through the fourth slide table, so as to cooperate with the transmission roller to abut and support neodymium iron boron magnetic rings of different specifications and sizes. Then the clamping slide block is lowered until the clamping roller and the transmission roller clamp the neodymium iron boron magnetic ring. The elastic force of the clamping spring avoids loosening. Then the supporting motor drives the transmission roller to rotate at a constant speed through the transmission sprocket and the transmission chain, and drives the neodymium iron boron magnetic ring to rotate at a constant speed. All clamping is surface clamping, and the neodymium iron boron magnetic ring is driven to rotate by rolling friction, so that the damage to the neodymium iron boron magnetic ring is minimized, thereby processing the neodymium iron boron magnetic ring without damage. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to facilitate the understanding of those skilled in the art, the present application will be further described below with reference to the accompanying drawings.

[0019] Figure 1 It is the overall structure of the present application; Figure 2 It is the overall structure of the grinding mechanism of the present application; Figure 3 It is the internal structure of the power box of the present application; Figure 4The overall structure schematic diagram of the chamfering grinding wheel of the present application; Figure 5 The overall structure front view of the supporting mechanism of the present application; Figure 6 The internal structure side view of the supporting mechanism of the present application; In the figure: 100, work station sliding table; 200, grinding mechanism; 300, supporting mechanism; 400, Nd-Fe-B magnetic ring; 201, displacement sliding table; 202, lifting sliding table; 203, supporting plate; 204, lifting sliding rod; 205, supporting sliding block; 206, power box; 207, grinding motor; 208, first key shaft; 209, transmission box; 210, first shaft sleeve; 211, supporting shaft sleeve; 212, first rotating shaft; 213, grinding wheel shaft sleeve; 214, through sliding chute; 215, positioning sliding block; 216, supporting sliding plate; 217, second rotating shaft; 218, rubber wheel shaft sleeve; 219, first sliding table; 220, second sliding table; 221, connecting plate; 222, chamfering sliding table; 223, connecting block; 224, chamfering motor; 225, second key shaft; 226, chamfering grinding wheel; 227, second shaft sleeve; 228, transmission sliding block; 229, third sliding table; 301, mounting box; 302, fourth sliding table; 303, supporting roller; 304, supporting motor; 305, third rotating shaft; 306, transmission sprocket; 307, transmission chain; 308, transmission roller; 309, clamping box; 310, clamping sliding rod; 311, clamping sliding block; 312, clamping spring; 313, fourth rotating shaft; 314, clamping roller. DETAILED DESCRIPTION

[0020] The specific embodiments of the present application are described in detail below, but it should be understood that the protection scope of the present application is not limited by the specific embodiments.

[0021] Please refer to Figures 1-6 The low-damage Nd-Fe-B magnet grinding processing equipment includes a work station sliding table 100, a supporting mechanism 300 is installed on the moving end of the work station sliding table 100, the supporting mechanism 300 is provided with two and each length is one third of the work station sliding table 100, an Nd-Fe-B magnetic ring 400 is placed on the supporting mechanism 300, the Nd-Fe-B magnetic ring 400 moving to the middle part is in the grinding processing process, and the other Nd-Fe-B magnetic ring 400 is in the replacement process; One side of the work station sliding table 100 is provided with a grinding mechanism 200, the grinding mechanism 200 includes a displacement sliding table 201, the moving end of the displacement sliding table 201 is provided with a lifting sliding table 202, both ends of the lifting sliding table 202 are provided with a support plate 203, the ends of the two support plates 203 are provided with a lifting sliding rod 204, the lifting sliding rod 204 is slidably sleeved with a support sliding block 205, the support sliding block 205 and the moving end of the lifting sliding table 202 are provided with a power box 206, one end of the power box 206 is provided with a grinding motor 207, the driving shaft end of the grinding motor 207 is provided with a first key shaft 208, the end of the first key shaft 208 is rotatably connected with the power box 206, the first key shaft 208 is provided with two transmission boxes 209, one side of the transmission box 209 is rotatably connected with a first shaft sleeve 210, the first shaft sleeve 210 is keyed to the first key shaft 208, the transmission box 209 is provided with a support shaft sleeve 211 near one side of the work station sliding table 100, the support shaft sleeve 211 is provided with a first rotating shaft 212 which is rotatably connected, the first rotating shaft 212 and the first shaft sleeve 210 are both provided with bevel gears and are in meshing transmission, the end of the first rotating shaft 212 is provided with a grinding wheel shaft sleeve 213, each grinding wheel shaft sleeve 213 is provided with a rubber wheel shaft sleeve 218 near one side of the lifting sliding table 202, the bottom of the power box 206 is provided with a through sliding groove 214, the through sliding groove 214 is slidably connected with a positioning sliding block 215, the positioning sliding block 215 and the rubber wheel shaft sleeve 218 are provided with a support sliding plate 216, the first key shaft 208 penetrates the support sliding plate 216 and keeps a gap, one side of the support sliding plate 216 is rotatably connected with a second rotating shaft 217, the rubber wheel shaft sleeve 218 is spliced and sleeved on the second rotating shaft 217, the top of the power box 206 is provided with two first sliding tables 219 away from one side of the lifting sliding table 202, the top of the power box 206 is provided with a sliding groove which is penetrated and slid by the moving end of the first sliding table 219, the first sliding table 219 is installed in one-to-one correspondence with the transmission box 209, the bottom of the power box 206 is provided with two second sliding tables 220 near one side of the lifting sliding table 202, the second sliding table 220 is installed in one-to-one correspondence with the positioning sliding block 215; When the embodiment works, the two support mechanisms 300 are reciprocally moved by the work station sliding table 100, the neodymium iron boron magnetic ring 400 to be processed is constantly moved to one side of the grinding mechanism 200, and the processed neodymium iron boron magnetic ring 400 is moved to one position in the two sides, which is convenient to replace and keeps the grinding mechanism 200 stable and continuous work, ensuring stable production efficiency and production capacity; When the grinding mechanism 200 works, the pairs of the grinding wheel shaft sleeve 213 and the rubber wheel shaft sleeve 218 are located at the same horizontal plane with the horizontal diameter of the neodymium iron boron magnetic ring 400 through the movement of the lifting slide table 202. The two grinding wheel shaft sleeves 213 are respectively located at the inner and outer circumferences of the neodymium iron boron magnetic ring 400 through the accurate movement of the displacement slide table 201. The two rubber wheel shaft sleeves 218 are respectively located at the outer and inner circumferences of the neodymium iron boron magnetic ring 400 corresponding to the grinding wheel shaft sleeve 213. The position of the grinding wheel shaft sleeve 213 is adjusted by the first slide table 219, and the pressure of the grinding wheel shaft sleeve 213 on the surface of the neodymium iron boron magnetic ring 400 is accurately adjusted. The position of the rubber wheel shaft sleeve 218 is adjusted by the second slide table 220, and the pressure of the rubber wheel shaft sleeve 218 on the surface of the neodymium iron boron magnetic ring 400 is accurately adjusted. Thus, the thickness of the neodymium iron boron magnetic ring 400 is determined, and the concentricity of the inner and outer circumferences of the neodymium iron boron magnetic ring 400 after grinding is ensured. A plurality of neodymium iron boron magnetic rings 400 are arranged along the axial direction in the same batch, so that the grinding of the inner and outer circumferences of the plurality of neodymium iron boron magnetic rings 400 in the same batch is completed at one time, and the high precision and high efficiency of the centerless grinding are fully utilized, thereby rapidly, accurately and widely processing various specifications of the neodymium iron boron magnetic ring 400.

[0022] The support plate 203 located at the top is installed with a connecting plate 221 at the middle of the side away from the work station slide table 100. The lower surface of the connecting plate 221 is installed with two chamfer slide tables 222 which are symmetrical to each other. The moving end of the chamfer slide table 222 is installed with a connecting block 223. The opposite sides of the two connecting blocks 223 are respectively installed with chamfer motors 224. The driving shaft of the chamfer motor 224 is installed with a second key shaft 225 at the end close to the work station slide table 100. The second key shaft 225 is keyed with two second shaft sleeves 227. The opposite sides of each pair of second shaft sleeves 227 are installed with chamfer grinding wheels 226. The opposite sides of the second shaft sleeves 227 are rotatably connected with transmission sliding blocks 228. The second key shaft 225 penetrates through the transmission sliding block 228 with a gap. The side close to the work station slide table 100 of each connecting block 223 is installed with two third slide tables 229 arranged side by side. The third slide table 229 is connected with the transmission sliding block 228 one by one. When the embodiment works, the height of the connecting block 223 is adjusted by the chamfer slide table 222, so as to adjust the height of each pair of chamfer grinding wheels 226. The horizontal position of each chamfer grinding wheel 226 is adjusted by the third slide table 229, so as to accurately chamfer the outer peripheral edge of the neodymium iron boron magnetic ring 400 by one pair of chamfer grinding wheels 226 and accurately chamfer the inner peripheral edge of the neodymium iron boron magnetic ring 400 by the other pair of chamfer grinding wheels 226. The grinding and chamfering of the inner and outer circumferences and the edges are simultaneously completed in cooperation with the grinding wheel shaft sleeve 213, so as to maintain the machining precision and adapt to neodymium iron boron magnetic rings 400 of various sizes and specifications.

[0023] The support mechanism 300 comprises a mounting box 301, fourth sliding tables 302 are arranged on both sides of the mounting box 301, support rollers 303 are arranged on the moving ends of the fourth sliding tables 302, a support motor 304 is arranged on the inner bottom of the mounting box 301, a third rotating shaft 305 is rotatably connected to the inner top of the mounting box 301, drive sprockets 306 are fixedly sleeved on the driving shaft of the support motor 304 and on the same side of the third rotating shaft 305, the two drive sprockets 306 are driven by a transmission chain 307, a transmission roller 308 is fixedly sleeved on the middle part of the third rotating shaft 305, a clamping box 309 is arranged on one side of the mounting box 301 close to the grinding mechanism 200, a clamping sliding rod 310 is arranged on the inner middle part of the clamping box 309, clamping sliding blocks 311 and clamping springs 312 are slidably sleeved on the clamping sliding rod 310, the clamping sliding blocks 311 are slidably connected to the clamping box 309, the lower ends of the clamping sliding blocks 311 are fixedly connected to the clamping springs 312, the lower ends of the clamping springs 312 are fixedly connected to the clamping box 309, a fourth rotating shaft 313 is arranged on one side of the clamping sliding block 311 close to the transmission roller 308, and a clamping roller 314 is rotatably sleeved on the fourth rotating shaft 313 and located directly above the transmission roller 308. When the embodiment works, the clamping sliding block 311 is first moved to the upper part of the clamping box 309 to stretch the clamping spring 312, then the position of the support roller 303 is adjusted through the fourth sliding table 302, so as to cooperate with the transmission roller 308 to support the Nd-Fe-B magnetic ring 400 of different specifications and sizes, then the clamping sliding block 311 is moved downward until the clamping roller 314 and the transmission roller 308 clamp and abut against the Nd-Fe-B magnetic ring 400, the elastic force of the clamping spring 312 avoids loosening, then the support motor 304 drives the transmission roller 308 to rotate at a constant speed through the drive sprocket 306 and the transmission chain 307, and drives the Nd-Fe-B magnetic ring 400 to rotate at a constant speed, so that the Nd-Fe-B magnetic ring 400 is synchronously and uniformly ground everywhere.

[0024] In summary, during work, the movement of the lifting slide 202 makes each pair of the grinding wheel shaft sleeve 213 and the rubber wheel shaft sleeve 218 be located at the same horizontal plane with the horizontal diameter of the neodymium iron boron magnetic ring 400. The accurate movement of the shifting slide 201 makes the two grinding wheel shaft sleeves 213 be located at the inner and outer circumferences of the neodymium iron boron magnetic ring 400 respectively, and makes the two rubber wheel shaft sleeves 218 be located at the outer and inner circumferences of the neodymium iron boron magnetic ring 400 respectively corresponding to the grinding wheel shaft sleeves 213. The first slide 219 adjusts the position of the grinding wheel shaft sleeve 213 and accurately adjusts the pressure of the grinding wheel shaft sleeve 213 on the surface of the neodymium iron boron magnetic ring 400. The second slide 220 adjusts the position of the rubber wheel shaft sleeve 218 and accurately adjusts the pressure of the rubber wheel shaft sleeve 218 on the surface of the neodymium iron boron magnetic ring 400, thereby fixing the thickness of the neodymium iron boron magnetic ring 400 and ensuring that the inner and outer circumferences of the neodymium iron boron magnetic ring 400 are concentric and coaxial after grinding. The height of the connecting block 223 is adjusted by the chamfering slide 222, thereby individually adjusting the height of each pair of chamfering grinding wheels 226. The horizontal position of each chamfering grinding wheel 226 is individually adjusted by the third slide 229, thereby accurately chamfering the outer peripheral edge of the neodymium iron boron magnetic ring 400 by one pair of chamfering grinding wheels 226 and accurately chamfering the inner peripheral edge of the neodymium iron boron magnetic ring 400 by the other pair of chamfering grinding wheels 226, and cooperating with the grinding wheel shaft sleeve 213, thereby synchronously completing the grinding and chamfering of the inner and outer circumferences and edges. A plurality of neodymium iron boron magnetic rings 400 are arranged along the axial direction in the same batch. The two supporting mechanisms 300 are reciprocally moved by the work slide 100, thereby continuously moving the neodymium iron boron magnetic ring 400 to be processed to one side of the grinding mechanism 200 and moving the processed neodymium iron boron magnetic ring 400 to one position of the two sides, facilitating replacement, maintaining stable and continuous work of the grinding mechanism 200, and ensuring stable production efficiency and production capacity. During work, the clamping slide 311 is first moved to the upper part of the clamping box 309, the clamping spring 312 is stretched, the position of the supporting roller 303 is adjusted by the fourth slide 302, thereby cooperating with the transmission roller 308 to abut and support neodymium iron boron magnetic rings 400 of different specifications and sizes, the clamping slide 311 is then moved downward until the clamping roller 314 abuts and clamps the neodymium iron boron magnetic ring 400 with the transmission roller 308, the clamping spring 312 avoids loosening through the elastic force, then the supporting motor 304 drives the transmission roller 308 to rotate at a constant speed through the transmission sprocket 306 and the transmission chain 307, thereby driving the neodymium iron boron magnetic ring 400 to rotate at a constant speed. All clamping is surface clamping, and the neodymium iron boron magnetic ring 400 is driven to rotate through rolling friction, thereby minimizing damage to the neodymium iron boron magnetic ring 400 and processing it without damage.

[0025] The above disclosed are only several specific embodiments of the present application, but the embodiments of the present application are not limited thereto, and any changes that can be thought of by any person skilled in the art shall fall into the protection scope of the present application.

Claims

1. A low-damage neodymium-iron-boron magnet grinding apparatus, characterized by, Including the work position sliding table (100), one side of the work position sliding table (100) is provided with the grinding mechanism (200), the grinding mechanism (200) includes the power box (206), one end in the power box (206) is provided with the grinding motor (207), the driving shaft end of the grinding motor (207) is provided with the first key shaft (208), the first key shaft (208) is provided with two transmission boxes (209), one side in the transmission box (209) is rotatably connected with the first shaft sleeve (210), the first shaft sleeve (210) is keyed and sleeved on the first key shaft (208), the transmission box (209) is provided with the support shaft sleeve (211) on the side close to the work position sliding table (100), the support shaft sleeve (211) is provided with the first rotating shaft (212) and is rotatably connected, the first rotating shaft (212) and the first shaft sleeve (210) are provided with bevel gears and are engaged with each other, the end of the first rotating shaft (212) is provided with the grinding wheel shaft sleeve (213), each grinding wheel shaft sleeve (213) is provided with the rubber wheel shaft sleeve (218) on the side close to the lifting sliding table (202).

2. The low-damage neodymium iron boron magnet grinding device according to claim 1, characterized in that, The grinding mechanism (200) includes the displacement sliding table (201), the lifting sliding table (202) is installed on the moving end of the displacement sliding table (201), the support plates (203) are installed on the both end sides of the lifting sliding table (202), the lifting sliding rod (204) is installed between the ends of the two support plates (203), the support sliding block (205) is slidably sleeved on the lifting sliding rod (204), the power box (206) is arranged between the support sliding block (205) and the moving end of the lifting sliding table (202), the support mechanism (300) is installed on the moving end of the work position sliding table (100), the support mechanism (300) is provided with two and each length is one third of the work position sliding table (100), the neodymium iron boron magnetic ring (400) is placed on the support mechanism (300), the neodymium iron boron magnetic ring (400) moving to the middle part is in the grinding process, and the other neodymium iron boron magnetic ring (400) is in the replacement process.

3. The low-damage neodymium iron boron magnet grinding device according to claim 1, characterized in that, The bottom of the power box (206) is provided with the through sliding groove (214), the positioning sliding block (215) is slidably connected in the through sliding groove (214), the support sliding plate (216) is installed between the positioning sliding block (215) and the rubber wheel shaft sleeve (218), the first key shaft (208) penetrates the support sliding plate (216) and keeps a gap with the support sliding plate (216), the second rotating shaft (217) is rotatably connected on one side of the support sliding plate (216), and the rubber wheel shaft sleeve (218) is spliced and sleeved on the second rotating shaft (217).

4. The low-damage neodymium iron boron magnet grinding device according to claim 3, characterized in that, Two first sliding tables (219) are installed on the top of the power box (206) away from the lifting sliding table (202) on one side, the top of the power box (206) is provided with the sliding groove penetrating and sliding in the moving end matched with the first sliding table (219), the first sliding table (219) is installed in one-to-one correspondence with the transmission box (209), two second sliding tables (220) are installed on the bottom of the power box (206) close to the lifting sliding table (202) on one side, and the second sliding table (220) is installed in one-to-one correspondence with the positioning sliding block (215).

5. The low-damage neodymium iron boron magnet grinding device according to claim 2, characterized in that, The support plate (203) located at the top is provided with a connecting plate (221) in the middle of the side away from the work station sliding table (100), and the lower surface of the connecting plate (221) is provided with two chamfered sliding tables (222), which are symmetrical to each other, and the moving end of the chamfered sliding table (222) is provided with a connecting block (223).

6. The low-damage neodymium iron boron magnet grinding device according to claim 5, characterized in that, The opposite sides of the two connecting blocks (223) are each provided with a chamfered motor (224), and the drive shaft of the chamfered motor (224) is provided with a second key shaft (225) at the end close to the work station sliding table (100), and the second key shaft (225) is keyed and sleeved with two second shaft sleeves (227), and the opposite sides of each pair of second shaft sleeves (227) are provided with chamfered grinding wheels (226).

7. The low-damage neodymium iron boron magnet grinding device according to claim 6, characterized in that, The opposite sides of the second shaft sleeves (227) are each rotatably connected with a transmission sliding block (228), the second key shaft (225) penetrates through the transmission sliding block (228) and keeps a gap, and the side of each connecting block (223) close to the work station sliding table (100) is provided with two third sliding tables (229) arranged side by side, and the third sliding tables (229) correspond to the transmission sliding blocks (228) one by one and are connected with each other.

8. The low-damage neodymium iron boron magnet grinding device according to claim 2, characterized in that, The support mechanism (300) comprises a mounting box (301), and the two sides of the mounting box (301) are each provided with a fourth sliding table (302), and the moving end of the fourth sliding table (302) is provided with a support roller (303).

9. The low-damage neodymium iron boron magnet grinding device according to claim 8, characterized in that, The inner bottom of the mounting box (301) is provided with a support motor (304), the inner top of the mounting box (301) is rotatably connected with a third rotating shaft (305), the drive shaft of the support motor (304) and the same side of the third rotating shaft (305) are each fixedly sleeved with a transmission sprocket (306), the two transmission sprockets (306) are driven by a transmission chain (307), and the middle of the third rotating shaft (305) is fixedly sleeved with a transmission roller (308).

10. The low-damage neodymium iron boron magnet grinding device according to claim 8, characterized in that, The side of the mounting box (301) close to the grinding mechanism (200) is provided with a clamping box (309), the inner middle of the clamping box (309) is provided with a clamping sliding rod (310), the clamping sliding rod (310) is slidably sleeved with a clamping sliding block (311) and a clamping spring (312), the clamping sliding block (311) is slidably connected with the clamping box (309), the lower end of the clamping sliding block (311) is fixedly connected with the clamping spring (312), the lower end of the clamping spring (312) is fixedly connected with the clamping box (309), and the side of the clamping sliding block (311) close to the transmission roller (308) is provided with a fourth rotating shaft (313), and the fourth rotating shaft (313) is rotatably sleeved with a clamping roller (314) above the transmission roller (308).

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