阅读说明：本技术 一种三筒双向阶梯式球磨机 (Three-cylinder bidirectional step type ball mill ) 是由 周小飞 于 2021-05-19 设计创作，主要内容包括：本发明涉及球磨机技术领域,公开了一种三筒双向阶梯式球磨机,包括用于对待打磨的物料进行输入式打磨的球磨机构；球磨机构包括上外筒体,上外筒体的内部设置有一组与上外筒体同轴线的上内筒体,所述上外筒体的左右侧壁下部分别对称安装有两组下外筒体,下外筒体的底部远离上外筒体的一侧固定安装有支脚,所述下外筒体的内中部设置有与下外筒体同轴线的下内筒体,所述上外筒体的内底部两侧设置有出料机构,出料机构包括开设在上外筒体中的下料槽,所述上内筒体的中部外侧壁设置有驱动机构。(The invention relates to the technical field of ball mills, and discloses a three-cylinder bidirectional stepped ball mill which comprises a ball milling mechanism for input type grinding of materials to be ground; ball-milling mechanism includes outer barrel, goes up the inside of outer barrel and is provided with a set ofly and last outer barrel coaxial line last interior barrel, go up outer barrel about two sets of outer barrels of lateral wall lower parts symmetry respectively install, one side fixed mounting that outer barrel was kept away from to the bottom of lower outer barrel has the stabilizer blade, the interior middle part of outer barrel is provided with down the interior barrel of lower outer barrel coaxial line down, the interior bottom both sides of going up outer barrel are provided with discharge mechanism, and discharge mechanism is including seting up the lower chute in last outer barrel, the middle part lateral wall of going up interior barrel is provided with actuating mechanism.)

1. A three-cylinder bidirectional stepped ball mill comprises a feeding chute and is characterized by also comprising a ball milling mechanism for input type grinding of materials to be ground; ball-milling mechanism includes outer barrel, goes up the inside of outer barrel and is provided with a set ofly and last outer barrel coaxial line last interior barrel, go up outer barrel about two sets of outer barrels of lateral wall lower parts symmetry respectively install, one side fixed mounting that outer barrel was kept away from to the bottom of lower outer barrel has the stabilizer blade, the interior middle part of outer barrel is provided with down the interior barrel of lower outer barrel coaxial line down, the interior bottom both sides of going up outer barrel are provided with discharge mechanism, and discharge mechanism is including seting up the lower chute in last outer barrel, the middle part lateral wall of going up interior barrel is provided with actuating mechanism.

2. A three-cylinder bidirectional stepped ball mill according to claim 1, characterized in that a set of first servo motors fixed on the left outer wall of the upper outer cylinder is rotatably connected to the middle part of the left side wall of the upper inner cylinder through a coupling, and a set of feeding channels of L-shaped structure disposed outside the right side wall of the upper outer cylinder is rotatably communicated to one end of the upper inner cylinder.

3. A three-cylinder bidirectional stepped ball mill according to claim 2, characterized in that the circumferential side walls of the lower inner cylinder and the upper inner cylinder are both provided with a grid-like structure for facilitating the sieving, and the pore diameter of the lower inner cylinder is smaller than that of the upper inner cylinder.

4. A three-barrel bi-directional stepped ball mill as claimed in claim 1, wherein the bottom of the lower trough is downwardly connected to a feed passage having a distal end facing the side wall of the lower outer barrel.

5. A three-cylinder bidirectional stepped ball mill as claimed in claim 4, wherein the end of the material conveying passage is fixedly communicated with a set of telescopic rods, the middle bottom of each telescopic rod is fixedly provided with a push rod for pushing the telescopic rod to expand and contract, the end of each telescopic rod facing the lower outer cylinder is communicated with a sleeve movably penetrating through the side wall of the lower outer cylinder, and the lower outer cylinder at the end of each sleeve is internally provided with a sleeve rod which is communicated with a sleeve clamping sleeve and is fixed on the side wall of the lower inner cylinder inside the lower outer cylinder.

6. A three-cylinder bidirectional stepped ball mill as claimed in claim 5, characterized in that a control valve is arranged in the middle of said material conveying channel, and a plurality of groups of grinding balls for rolling and crushing the material are respectively arranged in the upper inner cylinder and the lower inner cylinder.

7. A three-barrel bidirectional stepped ball mill as claimed in claim 6, wherein the driving mechanism comprises a main gear fixedly mounted on the outer side of the upper inner barrel, a set of driven teeth meshed with the main gear is provided at the middle part of the lower outer barrel corresponding to the main gear, a transverse rotating rod is fixedly mounted at the middle part of the driven teeth, and two ends of the rotating rod movably penetrate through the lower outer barrels at the left and right sides and are fixedly connected to the side wall of the lower inner barrel inside the lower outer barrel.

8. A three-cylinder bidirectional stepped ball mill according to claim 7, characterized in that the side of said lower inner cylinder body remote from the driven teeth is rotatably connected to the inner wall of the lower outer cylinder body by a connecting block.

9. The three-cylinder bidirectional stepped ball mill according to claim 8, wherein a plurality of sets of rotary grooves are formed in the inner wall of the upper inner cylinder at equal intervals in sequence, a rotary ring is slidably connected to the upper inner cylinder at the middle of the rotary groove, rotary rods are rotatably connected to both sides of the rotary ring, the ends of the rotary rods are connected to the inside of the rotary groove in a rolling manner, balls are connected to the rotary groove in a rolling manner, an annular groove is formed in the middle of the rotary ring, and a plurality of sets of moving balls are freely connected to the inside of the annular groove in a rolling manner.

10. A three-cylinder bidirectional stepped ball mill according to any one of claims 1-9, characterized in that a set of transverse ball screws is rotatably connected to the middle portion in the lower inner cylinder, one end of each ball screw, which is far from the upper outer cylinder, is rotatably connected to a second servo motor fixed inside the connecting block, the other end of each ball screw is rotatably connected to the inner wall of the lower inner cylinder, a nut is movably connected to each ball screw, a plurality of groups of oscillating rods are fixedly mounted on the circumferential side wall of each nut at equal intervals, a feeding channel of a conical structure is formed in the inner bottom of the lower outer cylinder on the lower side of the lower inner cylinder, and the bottom of the feeding channel is communicated with a discharge hole.

Technical Field

The invention relates to the technical field of ball mills, in particular to a three-cylinder bidirectional stepped ball mill.

Background

One particular form of ball mill is a stirred ball mill. Stirred ball mills comprise a vertically or horizontally disposed, generally substantially cylindrical grinding vessel, 70 to 90% of which is filled with grinding bodies. The grinding stock suspension is continuously pumped through the grinding chamber. The suspended solids are ground or dispersed by impact or shear forces between the milling bodies. The separation of the grinding stock and the grinding bodies is carried out by means of suitable separation devices at the outlet from the mill.

Present ball mill is when polishing the breakage to the material, generally all set up single group barrel, the inside of barrel is arranged in to the ball of will polishing, utilize the rotation of barrel, spheroid in the driving cylinder rolls, then strike the processing of polishing to the material in the section of thick bamboo, this kind of mode can carry out the contact striking of high strength degree with the material in the section of thick bamboo and polish, but the problem that exists is, because the rotation angle of barrel is in single direction, lead to the spheroid in the section of thick bamboo, when removing and polishing, rolling direction and distance receive the restriction, and spheroidal removal can't be controlled, lead to the material in the section of thick bamboo can't evenly receive and polish, thereby to final material of polishing, the quality can't be guaranteed.

Disclosure of Invention

The invention aims to provide a three-cylinder bidirectional stepped ball mill to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: comprises a ball milling mechanism used for input type grinding of materials to be ground; ball-milling mechanism includes outer barrel, goes up the inside of outer barrel and is provided with a set ofly and last outer barrel coaxial line last interior barrel, go up outer barrel about two sets of outer barrels of lateral wall lower parts symmetry respectively install, one side fixed mounting that outer barrel was kept away from to the bottom of lower outer barrel has the stabilizer blade, the interior middle part of outer barrel is provided with down the interior barrel of lower outer barrel coaxial line down, the interior bottom both sides of going up outer barrel are provided with discharge mechanism, and discharge mechanism is including seting up the lower chute in last outer barrel, the middle part lateral wall of going up interior barrel is provided with actuating mechanism.

Compared with the prior art, the invention has the beneficial effects that: two groups of materials are detachably communicated with the material conveying channel through the lower material groove on the left side and the right side of the upper outer cylinder body, so that the materials which are crushed for the first time in the upper inner cylinder body can be conveniently transferred into the lower inner cylinder body in the lower outer cylinder body for secondary crushing, and the crushing precision of the materials is fully improved;

the upper inner cylinder body rotates, the main gear is meshed with the driven teeth, the rotating rod is fixedly connected with the driven teeth, and the rotating rod is fixedly connected with the lower inner cylinder body in the lower outer cylinder body so as to drive the lower inner cylinder body to rotate, so that a structure that a group of upper inner cylinder bodies are driven by a single group of servo motors at the same time and two groups of lower inner cylinder bodies operate at the same time is realized, and the use efficiency of the first servo motor is fully improved;

the rotating rings are driven to rotate in the upper inner cylinder body by the aid of the plurality of groups of rotating rings arranged in the upper inner cylinder body and the moving balls which freely move in the rotating rings, so that the rotating and stirring degree of materials in the upper inner cylinder body is fully improved;

the swing rod capable of moving left and right in a circulating mode through the two-drive-cycle servo motor is arranged in the lower inner cylinder, so that materials in the lower inner cylinder are circularly stirred in the left and right directions, the contact area and uniformity of the grinding balls and the materials are fully improved, and the grinding precision is further improved.

Drawings

Fig. 1 is a schematic view of a front view internal structure of a three-cylinder bidirectional stepped ball mill.

Fig. 2 is an enlarged schematic structural diagram of a1 in fig. 1.

FIG. 3 is a schematic view of a connection part structure of a swinging ball mechanism and an upper inner cylinder in a three-cylinder bidirectional stepped ball mill.

Fig. 4 is a schematic view of a connection part of a swinging ball mechanism and an upper inner cylinder in a three-cylinder bidirectional stepped ball mill.

Wherein: the device comprises an upper outer cylinder 10, a lower outer cylinder 11, a support leg 12, a feeding channel 13, a first servo motor 14, an upper inner cylinder 15, a lower chute 17, a material conveying channel 18, a main gear 19, a driven gear 20, a rotating rod 21, a lower inner cylinder 22, a connecting block 23, a second servo motor 24, a ball screw 25, a polishing ball 26, a nut 27, a swinging rod 28, a discharge port 29, a telescopic rod 30, a sleeve 31, a sleeve rod 32, a push rod 33, a rotating ring 35, a moving ball 36, a rotating groove 37, a ball 38 and a rotating rod 39.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-2, a three-cylinder bidirectional stepped ball mill includes a ball milling mechanism for input-type grinding of a material to be ground; the ball milling mechanism comprises an upper outer barrel 10, a group of upper inner barrels 15 coaxial with the upper outer barrel 10 are arranged inside the upper outer barrel 10, the middle of the left side wall of the upper inner barrel 15 is rotatably connected with a group of servo motors 14 fixed on the left side outer wall of the upper outer barrel 10 through a coupler, and the upper inner barrels 15 are driven to rotate inside the servo motors 14 by starting the servo motors 14. Go up the one end of interior barrel 15 and rotate the intercommunication and have a set of feed channel 13 that is the L type structure of arranging in the outside of outer barrel 10 right side wall, will treat that the inside of broken material input to last interior barrel 15 through feed channel 13, then through starting the rotatory inside of carrying out of barrel 15 in servo motor 14 drive. Go up outer barrel 10 about lateral wall lower part respectively the symmetry install two sets of outer barrels 11 down, one side fixed mounting that outer barrel 10 was kept away from to the bottom of outer barrel 11 down has stabilizer blade 12, the interior middle part of outer barrel 11 is provided with the lower interior barrel 22 with outer barrel 11 coaxial line down, the circumference lateral wall of interior barrel 22 and last interior barrel 15 all sets up the latticed structure of carrying out the sieve material for convenient, and the aperture of interior barrel 22 is less than the aperture on the last barrel 15 down. Go up the interior bottom both sides of outer barrel 10 and be provided with discharge mechanism, discharge mechanism is including offering the feed chute 17 in last outer barrel 10, and the bottom of feed chute 17 communicates downwards has terminal orientation to close on the defeated material passageway 18 of 11 lateral walls of outer barrel down, and the inside material after the first breakage of barrel 15 is transferred downwards to defeated material passageway 18 in through feed chute 17 down.

As a preferred embodiment of the present invention, the end of the material conveying channel 18 is fixedly communicated with a set of telescopic rods 30, the middle bottom of the telescopic rods 30 is fixedly provided with a push rod 33 for pushing the telescopic rods 30 to stretch, the end of the telescopic rods 30 facing the lower outer cylinder 11 is communicated with a sleeve 31 movably penetrating through the side wall of the lower outer cylinder 11, the inner part of the lower outer cylinder 11 at the end of the sleeve 31 is provided with a sleeve rod 32 which is in sleeve connection with the sleeve 31 and is fixed on the side wall of the lower inner cylinder 22 in the lower outer cylinder 11, and the material in the upper inner cylinder 15 is input into the lower inner cylinder 22 by adjusting the rotation of the lower inner cylinder 22 and controlling the left-right movement of the sleeve 31 by using the push rod 33.

As a preferred embodiment of the present invention, a control valve is disposed in the middle of the material conveying channel 18, and a plurality of groups of grinding balls 26 for rolling to crush the material are disposed inside the upper inner cylinder 15 and the lower inner cylinder 22.

As a preferred embodiment of the present invention, the outer side wall of the middle portion of the upper inner cylinder 15 is provided with a driving mechanism, the driving mechanism includes a main gear 19 fixedly installed at the outer side of the upper inner cylinder 15, the middle portion of the lower outer cylinder 11 corresponding to the main gear 19 is provided with a set of driven teeth 20 engaged with the main gear 19, the middle portion of the driven teeth 20 is fixedly installed with a transverse rotating rod 21, two ends of the rotating rod 21 movably penetrate through the lower outer cylinder 11 at the left and right sides and are fixedly connected to the side wall of the lower inner cylinder 22 inside the lower outer cylinder 11, and through the connection of the main gear 19, the driven teeth 20 and the rotating rod 21, when the upper inner cylinder 15 rotates, the lower inner cylinder 22 inside the lower outer cylinder 11 can be simultaneously driven to rotate.

In a preferred embodiment of the present invention, the side of the lower inner cylinder 22 away from the driven teeth 20 is rotatably connected to the inner wall of the lower outer cylinder 11 by a connecting block 23.

Referring to fig. 3-4, as a preferred embodiment of the present invention, a plurality of sets of rotating slots 37 are sequentially formed in the inner wall of the upper inner cylinder 15 at equal intervals, a rotating ring 35 is slidably connected to the upper inner cylinder 15 at the middle of the rotating slots 37, rotating rods 39 are rotatably connected to both sides of the rotating ring 35, balls 38 are rotatably connected to the ends of the rotating rods 39 pointing to the inside of the rotating slots 37, the balls 38 are rotatably connected to the rotating slots 37, the middle part of the rotating ring 35 is provided with an annular groove, the inside of the annular groove is freely connected with a plurality of groups of moving balls 36 in a rolling way, gravity deviation is generated by utilizing the rotation of the upper inner cylinder body 15 and the free movement of the moving balls 36 inside the rotating ring 35, so that the rotating ring 35 is driven to freely rotate in the upper inner cylinder 15 at the position of the rotating groove 37, thereby agitating the material placed inside the upper inner cylinder 15 and thereby improving the contact sufficiency of the grinding balls 26 inside the upper inner cylinder 15 with the material.

Referring to fig. 1 as a preferred embodiment of the present invention, on the basis of the first embodiment, a set of transverse ball screws 25 is rotatably connected to the middle inside the lower inner cylinder 22, one end of each ball screw 25, which is far away from the upper outer cylinder 10, is rotatably connected to a second servo motor 24 fixed inside the connecting block 23, the other end of each ball screw 25 is rotatably connected to the inner wall of the lower inner cylinder 22, the ball screw 25 is movably connected with a nut 27, a plurality of groups of oscillating rods 28 are fixedly arranged on the circumferential side wall of the nut 27 at equal intervals, the ball screw 25 is driven to rotate by a servo motor II 24, then drives the nut 27 to move on the ball screw 25 in a left-right circulating way, and then utilizes the oscillating rod 28 to push the materials in the lower inner cylinder 22 in a left-right way, thereby fully mixing and moving the materials, further improving the crushing force of the grinding balls 26 inside the lower inner cylinder 22 to the materials. The inner bottom of the lower outer cylinder 11 at the lower side of the lower inner cylinder 22 is provided with a conical blanking channel, and the bottom of the blanking channel is communicated with a discharge hole 29.

The working principle of the invention is as follows: in operation, materials to be crushed are input into the upper inner cylinder 15 inside the upper outer cylinder 10 through the feeding channel 13, then the servo motor I14 is started to drive the upper inner cylinder 15 to rotate, the grinding balls 26 inside the upper inner cylinder 15 are utilized to follow the rotation of the upper inner cylinder 15 to crush the materials, meanwhile, the rotation of the upper inner cylinder 15 and the free movement of the moving balls 36 inside the rotating ring 35 are utilized to generate gravity deviation, so that the rotating ring 35 is driven to freely rotate in the upper inner cylinder 15 at the position of the rotating groove 37, the materials inside the upper inner cylinder 15 are stirred, then the materials are sufficiently crushed, the materials are transferred into the material conveying channel 18 through the material discharging groove 17 after being crushed to pass through the side wall of the upper inner cylinder 15, and then the sleeve 31 and the sleeve rod 32 are pushed to be communicated with each other through adjusting the rotating position of the lower inner cylinder 22, so as to transfer the material in the feeding channel 18 to the inside of the lower inner cylinder 22, then disassemble the sleeve 31 and the loop bar 32, meanwhile continue the crushing in the upper inner cylinder 15, through the engagement of the main gear 19 and the driven gear 20, and the connection of the rotating rod 21 and the lower inner cylinder 22, so as to drive the grinding ball 26 in the lower inner cylinder 22 to crush the input material, and through starting the servo motor two 24 to drive the oscillating rod 28 to move circularly left and right in the inside of the lower inner cylinder 22, so as to mix left and right, so as to output through the discharge hole 29 after sufficient crushing.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.