阅读说明：本技术 一种低耗型行星球磨机 (Low-consumption planetary ball mill ) 是由 郭爱红 吴楠 郭美艳 张晨 崔凯 马立强 张梦婵 马忠 于 2021-01-12 设计创作，主要内容包括：本发明涉及行星球磨机技术领域,具体为一种低耗型行星球磨机,包括多个研磨铁球,还包括底架、转动架和细磨筒,多个研磨铁球均设置在细磨筒内,细磨筒上连接有限位轨道环,底架和转动架连接,底架和转动架之间安装有支起装置,转动架通过底板连接有支撑架、安装架、支撑板和安装板,支撑架和安装架均连接有转动轮,支撑架和安装架连接有支撑轮杆,支撑板和安装板均与细磨筒连接,支撑板和安装板连接有粗磨分拣筒,粗磨分拣筒内设置有多个击碎铁球,粗磨分拣筒、支撑轮杆之间设置有传动装置,安装架与安装板之间安装有电磁吸粉装置,安装架与安装板之间连接有环形接料板,其效率较高,能耗较低,效果较好,物料中的铁粉较易收集,较为实用。(The invention relates to the technical field of planetary ball mills, in particular to a low-consumption planetary ball mill which comprises a plurality of grinding iron balls, and also comprises a bottom frame, a rotating frame and a fine grinding cylinder, wherein the plurality of grinding iron balls are all arranged in the fine grinding cylinder, the fine grinding cylinder is connected with a limiting track ring, the bottom frame is connected with the rotating frame, a supporting device is arranged between the bottom frame and the rotating frame, the rotating frame is connected with a supporting frame, an installing frame, a supporting plate and an installing plate through a bottom plate, the supporting frame and the installing frame are both connected with rotating wheels, the supporting frame and the installing frame are connected with supporting wheel rods, the supporting plate and the installing plate are both connected with the fine grinding cylinder, the supporting plate and the installing plate are connected with a coarse grinding sorting cylinder, a plurality of crushing iron balls are arranged in the coarse grinding sorting cylinder, a transmission device is arranged between the coarse grinding sorting cylinder and the supporting, the device has the advantages of higher efficiency, lower energy consumption, better effect, easier collection of the iron powder in the materials and more practicability.)

1. A low-loss planetary ball mill comprising a plurality of grinding iron balls (1), characterized in that: the grinding iron ball grinding machine is characterized by further comprising a base frame (2), a rotating frame (3) and a fine grinding cylinder (4), wherein a plurality of grinding iron balls (1) are arranged in the fine grinding cylinder (4), a limiting track ring (5) is fixedly connected to the fine grinding cylinder (4), the base frame (2) is rotatably connected with the rotating frame (3), a supporting device is installed between the base frame (2) and the rotating frame (3), a bottom plate (6) is fixedly connected to the rotating frame (3), a supporting frame (7), a mounting frame (8), a supporting plate (9) and a mounting plate (10) are fixedly connected to the bottom plate (6), rotating wheels (11) are rotatably connected to the supporting frame (7) and the mounting frame (8), supporting wheel rods (12) are rotatably connected to the supporting frame (7) and the mounting frame (8), annular plates (13) and circular plates (14) are fixedly connected to the supporting plate (9) and the mounting plate (10) respectively, the circular plate (13) and the circular plate (14) are rotatably connected with the fine grinding cylinder (4), a coarse grinding sorting cylinder (15) is rotatably connected onto the supporting plate (9) and the mounting plate (10), a plurality of crushing iron balls (16) are arranged in the coarse grinding sorting cylinder (15), a transmission device is arranged between the coarse grinding sorting cylinder (15) and the supporting wheel rod (12), a driving device is arranged on the bottom plate (6), an electromagnetic powder suction device is arranged between the mounting frame (8) and the mounting plate (10), a feeding mechanism is fixedly connected onto the supporting plate (9), a circular material receiving plate (17), a material guiding metal plate (18) and a scrap guiding metal plate (19) are fixedly connected between the mounting frame (8) and the mounting plate (10), the electromagnetic powder suction device comprises an insulating shaft (20) and a plurality of electromagnetic plates (21), the left end and the right end of the insulating shaft (20) are rotatably connected with the mounting frame (8) and the mounting plate (10) respectively, a plurality of all with insulating axle (20) fixed connection electromagnetic plate (21), a plurality of curved baffle (22) of fixedly connected with on insulating axle (20), electromagnetic plate (21) with curved baffle (22) electric connection, fixedly connected with conduction board (23) on mounting panel (10), a plurality of curved baffle (22) all with conduction board (23) are sliding fit, install step motor (25) through installation cover (24) on mounting panel (10), the output and insulating axle (20) fixed connection of step motor (25), prop up the device including propping up piece (26), prop up piece (26) with rotating turret (3) rotate to be connected, prop up piece (26) through prop up pole (27) with chassis (2) are connected, prop up and be connected with electric telescopic handle (28) between piece (26) and chassis (2).

2. A low-loss planetary ball mill according to claim 1, characterized in that: drive arrangement includes motor (29), speed reducer (30) and follows driving wheel (31), motor (29) are installed on bottom plate (6), speed reducer (30) are installed on mounting bracket (8), follow driving wheel (31) with supporting wheel pole (12) fixed connection, the output of motor (29) with speed reducer (30) are connected, the output fixed connection of speed reducer (30) has drive wheel (32), drive wheel (32) with follow driving wheel (31) and mesh mutually.

3. A low-loss planetary ball mill according to claim 2, characterized in that: the transmission device comprises a driving belt wheel (33) and a driven belt wheel (34), the driving belt wheel (33) and the driven belt wheel (34) are respectively and fixedly connected with the supporting wheel rod (12) and the rough grinding sorting cylinder (15), and the driving belt wheel (33) and the driven belt wheel (34) are in transmission connection through a belt (35).

4. A low-loss planetary ball mill according to claim 3, characterized in that: feed mechanism includes feeder hopper (36) and two connecting plates (37), two connecting plate (37) all with backup pad (9) fixed connection, fixedly connected with oblique section of thick bamboo (38) between two connecting plates (37), oblique section of thick bamboo (38) with feeder hopper (36) intercommunication, the left end rotation of oblique section of thick bamboo (38) is connected with semicircle door (39), and oblique section of thick bamboo (38) are through wedge strip (40) fixedly connected with fast latch mechanism.

5. A low-loss planetary ball mill according to claim 4, characterized in that: the quick-locking mechanism comprises a locking frame (41) and a circular groove block (42), the locking frame (41) is fixedly connected with a wedge-shaped strip (40), the locking frame (41) is connected with the circular groove block (42) through a tension spring (43), and the left end of the circular groove block (42) is fixedly connected with a limiting poke rod (44).

6. A low-loss planetary ball mill according to claim 5, characterized in that: the semicircular door (39) is fixedly connected with an opening and closing block (45).

7. A low-loss planetary ball mill according to claim 6, characterized in that: an arc-shaped door (46) and an access door (47) are respectively arranged on the fine grinding cylinder (4) and the circular plate (14).

8. A low-loss planetary ball mill according to claim 7, characterized in that: and a filter screen (48) is arranged on the fine grinding cylinder (4).

9. A low-loss planetary ball mill according to claim 8, characterized in that: the right end of the mounting plate (10) is fixedly connected with a protective cover (49).

10. A low-loss planetary ball mill according to claim 9, characterized in that: install controlling means (50) on mounting panel (10), step motor (25), motor (29) and conduction board (23) all with controlling means (50) electric communication.

Technical Field

The invention relates to the technical field of planetary ball mills, in particular to a low-consumption planetary ball mill.

Background

As is well known, a low-consumption planetary ball mill is an auxiliary device used in a material processing process for mixing or fine-grinding various materials so as to reduce energy consumption in the material processing process, and is widely used in the material mixing and grinding process.

Current planetary ball mill includes supporting seat and a section of thick bamboo crouches, a crouching section of thick bamboo rotates with the supporting seat to be connected, install driving motor on the supporting seat, driving motor's output fixedly connected with spur gear, fixedly connected with straight-tooth ring on the crouching section of thick bamboo, straight-tooth gear and a ring gear intermeshing, the both ends of a crouching section of thick bamboo are provided with feed inlet and row powder mouth respectively, it is when using, at first put into a large amount of grinding iron balls in the crouching section of thick bamboo, then start driving motor, driving motor rotates and drives a crouching section of thick bamboo and rotates, add the material that needs mix and grind at the feed inlet, the normal running fit.

However, the prior art scheme has the following defects that the grinding period is long, the energy consumption is large, the grinding effect is poor, the use reliability is low, and meanwhile, iron powder falling off from the iron balls in the grinding process is easy to mix and discharge with the ground material, so that the ground material is more contaminated and the practicability is poor.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the low-consumption planetary ball mill which is short in grinding period, low in energy consumption, good in grinding effect, high in use reliability, easy to collect iron powder falling in the grinding process, less in impurities in the ground material and practical.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a low-loss planetary ball mill, includes a plurality of grinding iron balls, still includes chassis, rotating turret and a fine grinding section of thick bamboo, and is a plurality of the grinding iron ball all sets up in the fine grinding section of thick bamboo, the spacing track ring of fixedly connected with on the fine grinding section of thick bamboo, chassis and rotating turret rotate to be connected, install the device of having propped up between chassis and the rotating turret, fixedly connected with bottom plate on the rotating turret, fixedly connected with support frame, mounting bracket, backup pad and mounting panel on the bottom plate, all rotate on support frame and the mounting bracket and be connected with the runner, rotate on support frame and the mounting bracket and be connected with the supporting wheel pole, fixedly connected with annular plate and circular slab respectively on backup pad and the mounting panel, annular plate and circular slab all with the fine grinding section of thick bamboo rotates to be connected with the corase grind letter sorting section of thick bamboo on backup pad and the mounting panel, be provided with, A transmission device is arranged between the supporting wheel rods, a driving device is arranged on the bottom plate, an electromagnetic powder absorbing device is arranged between the mounting frame and the mounting plate, a feeding mechanism is fixedly connected onto the supporting plate, an annular material receiving plate, a material guide plate and a scrap guide plate are fixedly connected between the mounting frame and the mounting plate, the electromagnetic powder absorbing device comprises an insulating shaft and a plurality of electromagnetic plates, the left end and the right end of the insulating shaft are respectively rotatably connected with the mounting frame and the mounting plate, the electromagnetic plates are all fixedly connected with the insulating shaft, a plurality of bent guide plates are fixedly connected onto the insulating shaft and electrically connected with the bent guide plates, a conducting plate is fixedly connected onto the mounting plate, the bent guide plates are all in sliding fit with the conducting plate, a stepping motor is arranged on the mounting plate through a mounting cover, the output end of the stepping motor is fixedly connected with the insulating shaft, and the supporting device comprises a supporting block, the supporting block is rotatably connected with the rotating frame, the supporting block is connected with the bottom frame through a supporting rod, and an electric telescopic rod is connected between the supporting block and the bottom frame.

Preferably, the driving device comprises a motor, a speed reducer and a driven wheel, the motor is installed on the bottom plate, the speed reducer is installed on the installation frame, the driven wheel is fixedly connected with the supporting wheel rod, the output end of the motor is connected with the speed reducer, the output end of the speed reducer is fixedly connected with a driving wheel, and the driving wheel is meshed with the driven wheel.

Preferably, the transmission device comprises a driving pulley and a driven pulley, the driving pulley and the driven pulley are respectively and fixedly connected with the supporting wheel rod and the rough grinding sorting cylinder, and the driving pulley and the driven pulley are in transmission connection through a belt.

Preferably, feed mechanism includes feeder hopper and two connecting plates, two the connecting plate all with backup pad fixed connection, the oblique section of thick bamboo of fixedly connected with between two connecting plates, oblique section of thick bamboo with the feeder hopper intercommunication, the left end of oblique section of thick bamboo is rotated and is connected with the semicircle door, and oblique section of thick bamboo passes through wedge strip fixedly connected with fast latch mechanism.

Preferably, the quick lock mechanism comprises a lock frame and a circular groove block, the lock frame is fixedly connected with the wedge-shaped strip, the lock frame is connected with the circular groove block through a tension spring, and the left end of the circular groove block is fixedly connected with a limiting poke rod.

Preferably, the semicircular door is fixedly connected with an opening and closing block.

Preferably, an arc-shaped door and an access door are respectively arranged on the fine grinding cylinder and the circular plate.

Preferably, a filter screen is arranged on the fine grinding cylinder.

Preferably, the right end of the mounting plate is fixedly connected with a protective cover.

Preferably, a control device is installed on the installation plate, and the stepping motor, the motor and the conduction plate are all electrically communicated with the control device.

(III) advantageous effects

Compared with the prior art, the invention provides a low-consumption planetary ball mill, which has the following beneficial effects:

1. this low-consumption planetary ball mill, the both ends through the corase grind letter sorting section of thick bamboo are connected with the rotation of support frame and backup pad respectively, are convenient for to the letter sorting and the corase grind of material to the less material of being convenient for directly gets into a thin section of thick bamboo that grinds, the breakage of the great material of being convenient for simultaneously and entering a thin section of thick bamboo that grinds, material grinding efficiency is higher, comparatively energy-conserving.

2. This low-consumption planetary ball mill, rotation through chassis and rotating turret is connected, it rotates to be convenient for thin grinding section of thick bamboo and corase grind letter sorting section of thick bamboo slope, thereby be convenient for grind the left end that the material in iron ball and the thin grinding section of thick bamboo slided to thin grinding section of thick bamboo, be convenient for hit the left end that the material in garrulous iron ball and the corase grind letter sorting section of thick bamboo slides to corase grind letter sorting section of thick bamboo simultaneously, the grinding effect is better, the operational reliability is higher, through a piece, the connection of rotating turret and electric telescopic rod, the drive of chassis and rotating turret of being convenient for, chassis and rotating turret drive are more convenient, and the practicality is better.

3. This low-consumption planetary ball mill inhales the design of powder device through the electromagnetism, is convenient for grind the clearance of the iron powder that drops on the mixed grinding iron ball in the material of accomplishing and drop on hitting garrulous iron ball, and the iron powder in the material after the grinding is accomplished is less, comparatively practical.

Drawings

FIG. 1 is a partially cut-away perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;

FIG. 4 is an enlarged partial view of FIG. 1 at C;

FIG. 5 is an enlarged view of a portion of FIG. 1 at D according to the present invention;

FIG. 6 is an enlarged partial view of FIG. 1 at E;

FIG. 7 is a schematic perspective view of the bottom frame, the rotating frame and the supporting block of the present invention;

FIG. 8 is a schematic perspective view of the present invention;

FIG. 9 is a perspective view of the present invention from the rear side;

FIG. 10 is an enlarged view of a portion of the structure of the present invention at F in FIG. 9.

In the figure: 1. grinding the iron ball; 2. a chassis; 3. a rotating frame; 4. finely grinding the cylinder; 5. a limiting track ring; 6. a base plate; 7. a support frame; 8. a mounting frame; 9. a support plate; 10. mounting a plate; 11. a rotating wheel; 12. a support wheel lever; 13. an annular plate; 14. a circular plate; 15. coarsely grinding a sorting cylinder; 16. breaking the iron balls; 17. an annular receiving plate; 18. a material guiding sheet metal plate; 19. scrap-guiding sheet metal plates; 20. an insulating shaft; 21. an electromagnetic plate; 22. bending the guide plate; 23. a conductive plate; 24. mounting a cover; 25. a stepping motor; 26. supporting the blocks; 27. a support rod; 28. an electric telescopic rod; 29. an electric motor; 30. a speed reducer; 31. a driven wheel; 32. a drive wheel; 33. a driving pulley; 34. a driven pulley; 35. a belt; 36. a feed hopper; 37. a connecting plate; 38. an inclined cylinder; 39. a semi-circular door; 40. a wedge bar; 41. a lock frame; 42. a circular groove block; 43. a tension spring; 44. a poke rod is limited; 45. an opening and closing block; 46. an arc-shaped door; 47. an access door; 48. a filter screen; 49. a protective cover; 50. and a control device.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-10, a low-loss planetary ball mill comprises a plurality of grinding iron balls 1, an underframe 2, a rotating frame 3 and a fine grinding cylinder 4, wherein the plurality of grinding iron balls 1 are all arranged in the fine grinding cylinder 4, a limiting rail ring 5 is fixedly connected to the fine grinding cylinder 4, the underframe 2 is rotatably connected with the rotating frame 3, so that the fine grinding cylinder 4 and the rough grinding sorting cylinder 15 can rotate obliquely, the materials in the grinding iron balls 1 and the fine grinding cylinder 4 can slide to the left end of the fine grinding cylinder 4, the materials in the crushing iron balls 16 and the rough grinding sorting cylinder 15 can slide to the left end of the rough grinding sorting cylinder 15, the grinding effect is good, the use reliability is high, a supporting device is arranged between the underframe 2 and the rotating frame 3, the supporting device comprises a supporting block 26, the supporting block 26 is rotatably connected with the rotating frame 3, the supporting block 26 is connected with the underframe 2 through a supporting rod 27, an electric telescopic rod 28 is connected between the supporting block 26 and the underframe 2, the drive of chassis 2 and rotating turret 3 of being convenient for, the drive of chassis 2 and rotating turret 3 is more convenient, and the practicality is better, fixedly connected with bottom plate 6 on the rotating turret 3, fixedly connected with support frame 7 on the bottom plate 6, mounting bracket 8, backup pad 9 and mounting panel 10, all rotate on support frame 7 and the mounting bracket 8 and be connected with the runner 11, rotate on support frame 7 and the mounting bracket 8 and be connected with supporting wheel pole 12, respectively fixedly connected with annular slab 13 and circular slab 14 on backup pad 9 and the mounting panel 10, annular slab 13 and circular slab 14 all rotate with a thin section of thick bamboo 4 and are connected.

It should be further noted that, the supporting plate 9 and the mounting plate 10 are rotatably connected with a rough grinding sorting cylinder 15 for facilitating sorting and rough grinding of materials, thereby facilitating direct entry of smaller materials into the fine grinding cylinder 4, and facilitating crushing of larger materials and entry into the fine grinding cylinder 4, the efficiency of grinding of materials is high, which is energy-saving, a plurality of crushing iron balls 16 are arranged in the rough grinding sorting cylinder 15, a transmission device is arranged between the rough grinding sorting cylinder 15 and the supporting wheel rod 12, the transmission device comprises a driving pulley 33 and a driven pulley 34, the driving pulley 33 and the driven pulley 34 are respectively fixedly connected with the supporting wheel rod 12 and the rough grinding sorting cylinder 15, the driving pulley 33 and the driven pulley 34 are in transmission connection through a belt 35, which is convenient for driving the rough grinding sorting cylinder 15 to rotate, which is practical, a driving device is installed on the bottom plate 6, the driving device comprises a motor 29, a speed reducer 30 and a driven pulley, speed reducer 30 is installed on mounting bracket 8, follows driving wheel 31 and supporting wheel pole 12 fixed connection, and motor 29's output is connected with speed reducer 30, and speed reducer 30's output fixedly connected with drive wheel 32, drive wheel 32 mesh from driving wheel 31 mutually, and the rotation of being convenient for drive fine grinding section of thick bamboo 4 and corase grind letter sorting section of thick bamboo 15 is comparatively practical.

It should be further noted that an electromagnetic powder absorbing device is installed between the mounting frame 8 and the mounting plate 10, the electromagnetic powder absorbing device includes an insulating shaft 20 and a plurality of electromagnetic plates 21, the left end and the right end of the insulating shaft 20 are respectively rotatably connected with the mounting frame 8 and the mounting plate 10, the plurality of electromagnetic plates 21 are all fixedly connected with the insulating shaft 20, the insulating shaft 20 is fixedly connected with a plurality of curved guide plates 22, the electromagnetic plates 21 are electrically connected with the curved guide plates 22, the mounting plate 10 is fixedly connected with a conducting plate 23, the plurality of curved guide plates 22 are all in sliding fit with the conducting plate 23, the mounting plate 10 is provided with a stepping motor 25 through a mounting cover 24, the output end of the stepping motor 25 is fixedly connected with the insulating shaft 20, so as to facilitate the cleaning of the iron powder falling from the grinding iron balls 1 and the iron powder falling from the crushing iron balls 16 mixed in the ground material, the ground material has less iron powder and is practical, fixedly connected with feed mechanism in backup pad 9, feed mechanism includes feeder hopper 36 and two connecting plates 37, two connecting plates 37 all with backup pad 9 fixed connection, fixedly connected with oblique section of thick bamboo 38 between two connecting plates 37, be convenient for the entering of material, oblique section of thick bamboo 38 and feeder hopper 36 intercommunication, the left end of oblique section of thick bamboo 38 is rotated and is connected with half-round door 39, be convenient for hit putting into of garrulous iron ball 16, oblique section of thick bamboo 38 is through wedge 40 fixedly connected with quick-locking mechanism, quick-locking mechanism includes lock frame 41 and circular channel 42, lock frame 41 and wedge 40 fixed connection, lock frame 41 is connected through extension spring 43 with circular channel 42, be convenient for the locking of half-round door 39, it is comparatively stable to use, the left end fixedly connected with spacing poker 44 of circular channel 42, be convenient for stir circular channel 42, thereby be convenient for the opening of half-round door 39, it is comparatively practical, fixedly connected with annular material receiving plate 17 between, The material guide sheet metal plate 18 and the scrap guide sheet metal plate 19 are convenient for receiving and guiding ground materials and guiding screened iron powder, and are practical.

It should be further described that, fixedly connected with switching piece 45 on the semicircle door 39, be convenient for the rotation of semicircle door 39, it is comparatively practical, install arc door 46 and access door 47 on the fine grinding section of thick bamboo 4 and the circular slab 14 respectively, be convenient for the inside observation and the maintenance of fine grinding section of thick bamboo 4 and corase grind letter sorting section of thick bamboo 15, it is comparatively practical, be provided with filter screen 48 on the fine grinding section of thick bamboo 4, be convenient for sieve the material after the grinding, the material derivation after the grinding is accomplished is more even, the practicality is better, the right-hand member fixedly connected with protection casing 49 of mounting panel 10, be convenient for improve the protective effect of driving pulley 33, driven pulley 34 and belt 35, it is comparatively safe to operate, install controlling means 50 on the mounting panel 10, step motor 25, motor 29 and conduction board 23 all communicate with controlling means 50 electrical property, be convenient for control step motor 25, motor 29 and conduction board 23.

The stepping motor 25, the electric telescopic rod 28 and the motor 29 are conventional devices which are commercially available and are well known by those skilled in the art, the model of the stepping motor 25 is YRF60-L1, the model of the electric telescopic rod 28 is TJC-C4, and the model of the motor 29 is BWD1-23-1.5KW, which is used only in this patent, and the structure and function of the stepping motor are not improved.

In summary, the working principle and working process of the low-consumption planetary ball mill are that, when in use, the low-consumption planetary ball mill is firstly fixedly placed at a place to be used, the power supply of the control device 50 is switched on, the stepping motor 25 and the motor 29 are controlled to be started by the control device 50, then the material to be ground is fed into the feed hopper 36, the material enters the rough grinding sorting cylinder 15 through the inclined cylinder 38, the motor 29 simultaneously drives the rough grinding sorting cylinder 15 and the fine grinding cylinder 4 to rotate, the rough grinding sorting cylinder 15 rotates to enable the material with smaller volume in the material to enter the fine grinding cylinder 4, the rough grinding sorting cylinder 15 is matched with the crushing iron balls 16 to crush the material with larger volume, then the crushed material also enters the fine grinding cylinder 4, the fine grinding cylinder 4 rotates and is matched with the grinding iron balls 1 to grind the material, and the ground material is filtered by the filter screen 48 and guided by the annular material receiving plate 17 to fall onto the electromagnetic plate 21, the filter screen 48 adopts a 200-mesh screen, the stepping motor 25 drives the insulating shaft 20 to rotate, the insulating shaft 20 simultaneously drives the electromagnetic plate 21 and the curved guide plate 22 to rotate, the electromagnetic plate 21 rotates to realize the receiving and the electromagnetic adsorption screening of the filtered materials, the rotation of the curved guide plate 22 realizes the on-off of the electrical connection relative to the conducting plate 23, thereby facilitating the magnetic control of the electromagnetic plate 21, further facilitating the adsorption and the falling of the iron powder, and being practical, when the low-consumption planetary ball mill works, the extension and the contraction of the electric telescopic rod 28 are controlled in stages, the rotation and the inclination of the bottom plate 6 are controlled, facilitating the inclined rotation of the fine grinding cylinder 4 and the coarse grinding sorting cylinder 15, facilitating the sliding of the materials in the grinding iron balls 1 and the fine grinding cylinder 4 to the left end of the fine grinding cylinder 4, and facilitating the sliding of the materials in the crushing iron balls 16 and the coarse grinding sorting cylinder 15 to the left end of the coarse grinding cylinder 15, the grinding effect is better, and the use reliability is higher.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.