Planetary ball milling-screening equipment for material processing and use method thereof
Technical Field
The invention relates to the technical field of fine particle material processing, in particular to planetary ball milling-screening equipment for material processing and a using method thereof.
Background
Ball mills are key equipment for grinding coarse-grained materials into fine-grained materials, and are commonly used in the fields of silicate materials, novel building materials and the like. The planetary ball mill is frequently used in an indoor geotechnical test and an engineering site, a ball milling tank needs to be detached from a ball milling frame in the use process, fine materials and grinding balls are manually screened, the material processing time is greatly increased, manpower and material resources are wasted, and the grinding balls are easily lost due to frequent pouring and recharging of the grinding balls.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides planetary ball milling-screening equipment for material processing and a use method thereof, solves the problems in the prior art, can avoid manual loading and unloading of a ball milling tank, can realize automatic discharging of grinding balls and materials, can automatically screen the grinding balls and fine materials, is convenient to reload the grinding balls, and greatly saves manpower and material resources.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
In one aspect, the invention provides planetary ball milling-screening equipment for material processing, which comprises a ball milling tank, a ball milling frame, a variable speed motor, a transmission device, a screening device and a discharging device, wherein the variable speed motor and the transmission device are arranged in the ball milling frame, the transmission device is driven by the variable speed motor, the ball milling tank is arranged on the upper side of the ball milling frame, the discharging device is arranged on the rear side of the ball milling tank, the screening device is arranged on the front side of the ball milling frame, the screening device comprises a variable speed motor, a screen mesh, an eccentric vibration exciter, a screen frame, damping springs and a tray, the screen mesh is arranged above the screen frame, the screen mesh number is determined by the diameters of fine materials and grinding balls, the variable speed motor and the eccentric vibration exciter are respectively arranged on two sides of the screen frame, the eccentric vibration exciter is driven by the connection of the variable speed motor, the detachable tray is arranged on the lower side of the inner side of the screen frame, and two groups of damping springs are respectively arranged on the left side and the right side of the screen frame.
Further, the ball-milling tank comprises a grinding ball, a movable base, an engagement socket and a ball-milling tank upper cover, the ball-milling tank is arranged on the ball-milling frame, the grinding ball is arranged in the ball-milling tank, the movable base capable of sliding is arranged in the ball-milling tank, the engagement socket is arranged in the movable base, and the ball-milling tank upper cover is arranged at the front end of the ball-milling tank.
Further, discharging device includes threaded rod, flitch and variable speed motor, the threaded rod sets up in ball-milling jar rear side, and its inserts inside being connected with movable base of interlock socket, the threaded rod passes through the belt and is connected with variable speed motor transmission, the flitch sets up to arc structure and is fixed in ball-milling jar front end lower side edge department.
Further, transmission includes synchronous pulley, transfer line, drive belt, initiative pivot and passive pivot, the initiative pivot passes through the axle bed and assembles on the ball-milling frame, initiative pivot left and right sides all is provided with passive pivot, the ball-milling jar is arranged in between initiative pivot and the passive pivot in order to realize the rotation of ball-milling jar, the transfer line sets up in the ball-milling frame inside, transfer line one end is connected with variable speed motor transmission through synchronous pulley and drive belt, and the other end is connected with the initiative pivot transmission through synchronous pulley and drive belt.
Further, a handle is arranged on the outer side face of the upper cover of the ball milling tank, and the upper cover of the ball milling tank is connected with the ball milling tank in a sealing mode through threads.
Further, the tail side of the screen can be lifted, and grinding balls can be refilled into the ball milling tank for recycling after screening is finished.
On the other hand, the invention also provides a using method of the planetary ball milling-screening equipment for material processing, which comprises the following steps:
a. coarse grain material filling, namely filling coarse grain materials to be ground into a ball milling tank, and screwing an upper cover of the ball milling tank;
b. Coarse material grinding, namely placing the ball milling tank between the driving rotating shaft and the driven rotating shaft, starting a variable speed motor, rotating the ball milling tank through a transmission device, and fully grinding coarse material through adjusting the rotating speed of the variable speed motor;
c. Discharging the fine materials, namely opening an upper cover of the ball milling tank, and pushing out grinding balls and the fine materials in the ball milling tank from the front end of the ball milling tank by using a threaded rod, a variable speed motor and a movable base;
d. ball material screening, namely, feeding grinding balls and fine material into a screening device through a discharge plate, starting a motor on the screening device to separate the grinding balls from the fine material in an excitation manner, and enabling the fine material to fall into a tray for later use;
e. And (3) returning the grinding balls, namely lifting the tail end of the screen, backing the movable base of the ball milling tank, and returning the grinding balls to the ball milling tank for next use.
Compared with the prior art, the invention has the following beneficial effects:
1. the ball milling tank can be prevented from being manually assembled and disassembled, automatic discharging of the grinding balls and the materials can be realized, the grinding balls and the fine materials can be automatically screened, the grinding balls are conveniently and quickly assembled again, and manpower and material resources are greatly saved.
2. According to the invention, through the arranged discharging device, the ground fine-grained materials and grinding balls can be automatically pushed out of the ball milling tank, so that the complicated processes of manual tank unloading and material pouring are avoided, and the screening device is integrated in the equipment and automatically separates the grinding balls from the fine-grained materials in an excitation mode, so that the fine-grained materials directly fall into the tray, and the screening efficiency is greatly improved.
3. The invention has the convenient reloading function, is designed with a grinding ball reloading mechanism, can easily reload the grinding balls into the ball milling tank, prepares for the next grinding, and reduces the complexity and time consumption of manual operation.
4. According to the invention, the ball milling tank is not required to be frequently assembled and disassembled, so that the labor and time are saved, the overall working efficiency is improved, the rotation speed and the grinding time of the ball milling tank can be accurately controlled by adjusting the rotation speed of the variable speed motor, and the consistency and the high efficiency of the material grinding effect are ensured.
5. According to the invention, manual participation is reduced through automatic operation, the labor cost is reduced, the equipment is reasonable in structural design and convenient to maintain, the equipment maintenance cost is reduced, meanwhile, the possible loss condition of the grinding ball in manual operation is avoided, and the material waste is reduced.
Drawings
Fig. 1 is a schematic view showing the overall structure of embodiment 1 of the present invention.
FIG. 2 is a schematic diagram of a ball milling pot and a discharging device according to example 1 of the present invention.
Fig. 3 is a schematic view of a ball mill frame and a transmission device according to example 1 of the present invention.
Fig. 4 is a schematic view of a screening apparatus according to example 1 of the present invention.
In the figure:
1. A ball milling tank;
101. grinding balls; 102. a movable base; 103. engaging the socket; 104. a ball milling tank upper cover;
2. ball milling rack;
3. a variable speed motor;
4. A transmission device;
401. A synchronous pulley; 402. a transmission rod; 403. a transmission belt; 404. a driving rotating shaft; 405. a passive spindle;
5. A screening device;
501. A screen; 502. an eccentric vibration exciter; 503. a screen frame; 504. a damping spring; 505. a tray;
6. A discharging device;
601. a threaded rod; 602. and a discharging plate.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
As shown in fig. 1 to 4, a planetary ball milling-screening device for material processing comprises a ball milling tank 1, a ball milling frame 2, a variable speed motor 3, a transmission device 4, a screening device 5 and a discharging device 6, wherein the variable speed motor 3 and the transmission device 4 are arranged inside the ball milling frame 2, the transmission device 4 is driven by the variable speed motor 3, the ball milling tank 1 is arranged on the upper side of the ball milling frame 2, the discharging device 6 is arranged on the rear side of the ball milling tank 1, the screening device 5 is arranged on the front side of the ball milling frame 2, the screening device 5 comprises the variable speed motor 3, a screen 501, an eccentric vibration exciter 502, a screen frame 503, a damping spring 504 and a tray 505, the screen 501 is arranged above the screen frame 503, the screen 501 mesh number is determined by the diameters of fine materials and the grinding balls 101, the variable speed motor 3 and the eccentric vibration exciter 502 are respectively arranged on the two sides of the screen frame 503, the eccentric vibration exciter 502 is driven by being connected by the variable speed motor 3, the detachable tray 505 is arranged on the lower side inside the screen frame 503, two groups of damping springs 504 are respectively arranged on the left side and the right side of the screen frame 503, the design solves the problem that the conventional planetary ball milling device needs to detach the ball milling tank 1 from the ball milling frame 2 in the use process, the screen frame is large in the grinding time and the grinding balls are lost due to the large grinding balls 101, and the grinding materials are frequently lost due to the grinding and the grinding balls are frequently lost.
In this embodiment, ball-milling jar 1 includes grinding ball 101, movable base 102, interlock socket 103 and ball-milling jar 1 upper cover, ball-milling jar 1 sets up on ball-milling frame 2, be equipped with grinding ball 101 in the ball-milling jar 1, the main function is striking and grinding material, thereby realize the refinement of material, ball-milling jar 1 is inside to be equipped with slidable movable base 102, this kind of design makes movable base 102 can follow discharging device 6 and remove in ball-milling jar 1 inside, and then release ball-milling ball 101 and granule material inside ball-milling jar 1, the interlock socket 103 has been seted up to movable base 102 inside, interlock socket 103 is used for forming inseparable interlock with discharging device 6, guarantee the steadiness of junction, thereby ensure smooth and accurate of ejection of compact, ball-milling jar 1 front end is equipped with ball-milling jar 1 upper cover, ball-milling jar 1 upper cover main function is sealed ball-milling jar 1, in order to prevent splash or pollute at the in-process material.
In this embodiment, discharging device 6 includes threaded rod 601, flitch 602 and variable speed motor 3, and threaded rod 601 sets up in ball-milling jar 1 rear side, and its insert interlock socket 103 inside is connected with movable base 102, and threaded rod 601 passes through the belt and is connected with variable speed motor 3 transmission, and flitch 602 sets up to arc structure and is fixed in ball-milling jar 1 front end lower side edge department, and the flitch 602 of arc structure can guide the material to flow out smoothly onto screen cloth 501 effectively, prevents that the material from taking place to block up or scattering in the ejection of compact in-process. The grinding balls 101 and the particle materials after finishing grinding are conveniently pushed out from the ball milling tank 1 through the arranged discharging device 6, and automatic discharging operation is realized. When the variable speed motor 3 is started, it drives the threaded rod 601 to rotate via a belt drive connection. Due to the engagement of the threaded rod 601 with the movable base 102, this rotational movement is translated into linear movement of the movable base 102, thereby pushing the material forward and effecting discharge.
In this embodiment, the transmission device 4 includes a synchronous pulley 401, a transmission rod 402, a transmission belt 403, a driving rotating shaft 404 and a driven rotating shaft 405, the driving rotating shaft 404 is assembled on the ball mill frame 2 through a shaft seat, the driven rotating shafts 405 are respectively arranged on the left side and the right side of the driving rotating shaft 404, the ball mill tank 1 is arranged between the driving rotating shaft 404 and the driven rotating shaft 405 to realize the rotation of the ball mill tank 1, the transmission rod 402 is arranged inside the ball mill frame 2, one end of the transmission rod 402 is in transmission connection with the variable speed motor 3 through the synchronous pulley 401 and the transmission belt 403, and the other end is in transmission connection with the driving rotating shaft 404 through the synchronous pulley 401 and the transmission belt 403. The ball milling tank 1 can be driven to rotate through the transmission device 4, so that materials inside the ball milling tank are matched with the grinding balls 101 to grind. When the variable speed motor 3 is started, the generated rotary power is transmitted to the transmission rod 402 through the precise transmission of the transmission belt 403 and the synchronous pulley 401, the other end of the transmission rod 402 is connected with the driving rotary shaft 404 through the synchronous pulley 401 and the transmission belt 403, the power from the variable speed motor 3 is smoothly transmitted to the driving rotary shaft 404 to drive the driving rotary shaft to rotate, the rotary motion of the driving rotary shaft 404 is further transmitted to the driven rotary shaft 405 through the ball milling tank 1 to form a cooperative rotary effect, and the ball milling tank 1 is jointly driven to perform stable grinding motion.
In the embodiment, a handle is arranged on the outer side face of the upper cover of the ball milling tank 1, and the upper cover of the ball milling tank 1 is connected with the ball milling tank 1 in a sealing mode through threads. This design has improved the simple operation nature, when needs open or close ball-milling jar 1 upper cover, and the user can easily hold the handle and operate, realizes opening or closing it through rotatory ball-milling jar 1 upper cover.
In this embodiment, the rear side of the screen 501 may be lifted, and the grinding balls 101 may be refilled into the ball mill tank 1 for reuse after the screening is completed. When it is desired to screen the material, the screen 501 may be maintained in a horizontal or inclined position to ensure that the material is able to pass smoothly through the screen 501 for screening. After sieving, the angle of the sieve 501 can be conveniently changed by lifting the tail side of the sieve 501, and the sieved grinding balls 101 can be refilled into the ball milling tank 1, thereby providing convenience for the subsequent recovery and recycling of the grinding balls 101.
In this embodiment, the outer wall of the ball milling tank 1 is made of iron sheet, the inner wall is made of high strength ceramic, the grinding balls 101 are made of high hardness wear-resistant materials such as steel balls and zirconia balls, the grinding balls 101 can be sized and graded according to the volume of the ball milling tank 1 and the particle size of the materials, the synchronous pulley 401 and the transmission rod 402 are made of steel, and the outer skins of the transmission belt 403, the driving shaft 404 and the driven shaft 405 are made of rubber.
Example 2:
the embodiment discloses a using method of planetary ball milling-screening equipment for material processing in the embodiment 1, which comprises the following steps:
a. Coarse grain material filling, namely filling coarse grain materials to be ground into a ball milling tank 1, and screwing up an upper cover of the ball milling tank 1;
b. Coarse material grinding, namely placing the ball milling tank 1 between an active rotating shaft 404 and a passive rotating shaft 405, starting a variable speed motor 3, rotating the ball milling tank 1 through a transmission device 4, and fully grinding coarse material by adjusting the rotating speed through the variable speed motor 3;
c. Discharging fine materials, namely opening an upper cover of the ball milling tank 1, and pushing out grinding balls 101 and the fine materials in the ball milling tank 1 from the front end of the ball milling tank 1 by using a threaded rod 601, a variable speed motor 3 and a movable base 102;
d. ball material screening, namely, feeding the grinding balls 101 and the fine material into a screening device 5 through a discharging plate 602, starting a motor on the screening device 5 to separate the grinding balls 101 from the fine material in an excitation way, and enabling the fine material to fall into a tray 505 for later use;
e. the grinding balls 101 are returned, namely, the tail end of the screen 501 is lifted, the movable base 102 of the ball milling tank 1 is retreated, and the grinding balls 101 are returned to the ball milling tank 1 for the next use.
It should be understood that the foregoing examples of the present invention are merely illustrative of the present invention and not limiting of the embodiments of the present invention, and that various other changes and modifications can be made by those skilled in the art based on the above description, and it is not intended to be exhaustive of all of the embodiments, and all obvious changes and modifications that come within the scope of the invention are defined by the following claims.