阅读说明：本技术 一种对球磨机磨矿介质自动整列并均匀添加的装置及方法 (Device and method for automatically arraying and uniformly adding grinding media of ball mill ) 是由 不公告发明人 于 2021-09-30 设计创作，主要内容包括：本发明公开了一种对球磨机磨矿介质自动整列并均匀添加的装置及方法,属于矿山选矿设备技术领域,其技术方案为：包括储料仓和整列仓,储料仓内设有赶料装置,整列仓内设有多级间隔设置的整列提料装置,每个整列提料装置的远离入料侧安装导料台阶；所述整列仓一侧开有与储料仓连通的入料口,赶料装置经入料口伸入整列仓内并能够与一级整列提料装置对接；整列仓另一侧安装有添加装置。本发明能够将磨矿介质整列提升,提料速度快,对整列后的磨矿介质具有多级备料功能、可连续精准按需添加,适用于不同种类的磨矿介质。(The invention discloses a device and a method for automatically arraying and uniformly adding grinding media of a ball mill, belonging to the technical field of mine mineral processing equipment, wherein the technical scheme is as follows: the material pushing device is arranged in the storage bin, the whole-row lifting devices are arranged in the whole-row bin at intervals in a multi-stage mode, and a material guide step is arranged on the side, far away from the feeding side, of each whole-row lifting device; a feeding port communicated with the storage bin is formed in one side of the alignment bin, and the material driving device extends into the alignment bin through the feeding port and can be in butt joint with the primary alignment lifting device; and an adding device is arranged on the other side of the whole row of bins. The invention can promote the whole line of the grinding media, has high material lifting speed, has the function of multi-stage material preparation for the whole line of the grinding media, can be continuously and accurately added according to the requirement, and is suitable for different types of grinding media.)

1. A device for automatically arraying and uniformly adding grinding media of a ball mill is characterized by comprising a storage bin and an arraying bin, wherein the storage bin is internally provided with a material driving device, the arraying bin is internally provided with a plurality of levels of arraying and lifting devices arranged at intervals, and a material guide step is arranged on the side, far away from the feeding side, of each arraying and lifting device;

a feeding port communicated with the storage bin is formed in one side of the alignment bin, and the material driving device extends into the alignment bin through the feeding port and can be in butt joint with the primary alignment lifting device; and an adding device is arranged on the other side of the whole row of bins.

2. The device for automatically aligning and uniformly adding the grinding media of the ball mill according to claim 1, wherein the installation heights of the material guide steps along the discharging direction are sequentially increased to form a step arrangement.

3. The device for automatically aligning and uniformly adding the grinding media of the ball mill according to claim 1 or 2, wherein the material guiding step is provided with a material lifting surface and a material guiding surface which are inclined at a set angle, and the material guiding surface is vertically fixed on one side of the material lifting surface, which is far away from the material inlet.

4. The device for automatically aligning and uniformly adding the grinding media of the ball mill according to the claim 3, characterized in that the aligning and lifting device comprises a lifting plate, the working surface of the lifting plate is parallel to the material guiding surface, and the lifting plate is connected with a lifting power source.

5. The apparatus as claimed in claim 4, wherein the initial position of the lifting plate corresponds to an end of the guide step away from the guide surface.

6. The device for automatically aligning and uniformly adding the grinding media of the ball mill according to claim 1, wherein the material driving device comprises a material driving plate and an adjusting mechanism arranged at the bottom of the material driving plate.

7. The device for automatically arraying and uniformly adding the grinding media of the ball mill according to claim 6, wherein the bottom of one end of the material expelling plate is rotatably connected with the storage bin, and the other end of the material expelling plate enters the arraying bin from the feeding port.

8. The device for automatically arraying and uniformly adding the grinding media of the ball mill according to claim 1, wherein a chute is installed outside the arraying bin, and a conveying device is arranged below the chute.

9. The apparatus for automatically aligning and uniformly adding milling media to a ball mill as claimed in claim 8, wherein said adding means is located at the discharge end of the conveyor.

10. A method for automatically arraying and uniformly adding grinding media of a ball mill is characterized in that the device according to any one of claims 1 to 9 is adopted, the grinding media in a storage bin enter an arraying bin through a material driving device, a first-stage arraying and lifting device is lifted to a working surface to be coplanar with a first-stage material guiding step, and the grinding media enter a second-stage arraying and lifting device;

lifting the grinding media to the chute position corresponding to the whole row of bins by the step-by-step lifting of the whole row of material lifting devices, and enabling the grinding media to enter the conveying device through the chute; the ore grinding medium is conveyed to the discharge end by the conveying device and is gradually knocked down to the feeding port of the ball mill by the adding device.

Technical Field

The invention relates to the technical field of mine mineral processing equipment, in particular to a device and a method for automatically arraying and uniformly adding grinding media of a ball mill.

Background

In the process of ore dressing and grinding of mines, ore grinding media are mainly added into a ball mill for ore grinding operation, the ore grinding media mainly comprise steel balls and steel sections, and the ore grinding media in the ball mill are consumed along with the process of grinding ores and need to be supplemented with the worn ore grinding media in the ball mill at regular time.

At present, ore grinding medium adding equipment is mainly a ball adding machine capable of adding steel balls, the ball adding machine is mainly in a roller type and a chain type and is provided with a ball bin and a ball fishing mechanism, the ball fishing mechanism adopts a simple chain with a fishing claw or a roller to fish balls from the bottom or the side surface of the ball storage bin, and the steel balls can be fished smoothly only when rolling to a specified ball fishing port, so that only standard steel balls can be added, and the irregular steel balls and steel sections cannot be effectively added.

In order to uniformly add the steel balls, the ball fishing claw needs to grab one steel ball at a time, and due to the irregular arrangement of the steel balls in the bin, the empty fishing phenomenon often occurs, and the steel balls cannot be uniformly and accurately added; after steel balls with various specifications are mixed and added into the ball storage bin, the ball claw can catch a plurality of balls at one time in the ball catching process; and the ball bin is easy to block and block the ball, which finally causes the problems of discontinuous ball adding, inaccurate metering, high equipment failure rate and the like.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a device and a method for automatically arraying and uniformly adding grinding media of a ball mill, which can be used for arraying and lifting the grinding media, have a high material lifting speed, have a multi-stage material preparation function on the arrayed grinding media, can be continuously and accurately added according to requirements, and are suitable for different types of grinding media.

In order to achieve the purpose, the invention is realized by the following technical scheme:

in a first aspect, the embodiment of the invention provides a device for automatically arraying and uniformly adding grinding media of a ball mill, which comprises a storage bin and an arraying bin, wherein the storage bin is internally provided with a material driving device, the arraying bin is internally provided with a plurality of rows of material lifting devices arranged at intervals, and the side, far away from the feeding side, of each row of material lifting device is provided with a material guide step;

a feeding port communicated with the storage bin is formed in one side of the alignment bin, and the material driving device extends into the alignment bin through the feeding port and can be in butt joint with the primary alignment lifting device; and an adding device is arranged on the other side of the whole row of bins.

As a further implementation mode, the installation heights of the material guide steps along the discharging direction are sequentially increased progressively to form a step arrangement.

As a further implementation mode, the material guiding step is provided with a material lifting surface and a material guiding surface which are inclined at a set angle, and the material guiding surface is vertically fixed on one side of the material lifting surface, which is far away from the material inlet.

As a further implementation mode, the whole-row lifting device comprises a lifting plate, the working surface of the lifting plate is parallel to the material guide surface, and the lifting plate is connected with a lifting power source.

As a further implementation, the initial position of the lifting plate corresponds to an end of the material guiding step away from the material guiding surface.

As a further implementation mode, the material driving device comprises a material driving plate and an adjusting mechanism arranged at the bottom of the material driving plate.

As a further implementation mode, the bottom of one end of the material driving plate is rotatably connected with the storage bin, the other end of the material driving plate enters the arraying bin from the feeding port, and the material driving plate and the bottom of the storage bin are located on the same plane.

As a further implementation mode, a chute is arranged on the outer side of the whole row bin, and a conveying device is arranged below the chute.

As a further realization, the adding device is located at the discharge end of the conveying device.

In a second aspect, the embodiment of the invention also provides a method for automatically arraying and uniformly adding the grinding media of the ball mill, by adopting the device, the grinding media in the storage bin enter the arraying bin through the material driving device, the first-stage arraying and lifting device is lifted to the working surface of the first-stage arraying and lifting device to be coplanar with the first-stage guiding step, and the grinding media enter the second-stage arraying and lifting device;

lifting the grinding media to the chute position corresponding to the whole row of bins by the step-by-step lifting of the whole row of material lifting devices, and enabling the grinding media to enter the conveying device through the chute; the ore grinding medium is conveyed to the discharge end by the conveying device and is gradually knocked down to the feeding port of the ball mill by the adding device.

The invention has the following beneficial effects:

(1) according to the invention, through the multi-stage arraying and material lifting device, more material is loaded at one time, the arrayed grinding media are sequentially arranged on the arraying and material lifting device and the conveying device, and the grinding media are conveyed forwards step by step according to the adding progress of the adding device, so that the continuity, uniformity and accuracy of the replenishing process of the grinding media are ensured.

(2) The whole-row material lifting device comprises a lifting plate and a lifting power source, wherein the lifting plate is arranged according to the diameter interval of ore grinding media, so that the transverse whole-row lifting and ordered conveying of the ore grinding media are ensured; by adopting the up-and-down lifting mode with the long section, the grinding medium in the whole bin can be disturbed by each time of material lifting, the blocking state of the grinding medium in the whole bin is broken, and the problems of ball blocking and ball blocking of the traditional ball adding machine at the ball fishing port are solved.

(3) According to the invention, the material guide steps are obliquely arranged, the lifting plate is parallel to the material guide surface of the material guide steps, so that ore grinding media can smoothly enter the lower-level material guide steps from the material guide steps through the lifting plate, and the irregular ore grinding media are prevented from being retained on the surface.

(4) The material driving device comprises the material driving plate and the adjusting mechanism, the inclination angle of the material driving plate can be adjusted through the adjusting mechanism, the blocking state of the grinding media in the storage bin can be broken, the grinding media are continuously fed to the whole row of bins, the continuity of the replenishing process of the grinding media is ensured, and the defect that the blocking state of the traditional ball feeder needs manual intervention is overcome.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic block diagram of the present invention according to one or more embodiments;

the device comprises a storage bin 1, a storage bin 2, an alignment bin 3, a material driving plate 4, an alignment material lifting device 5, a material guiding step 6, a lifting power source 7, an adjusting mechanism 8, a chute 9, a conveying device 10, an adding device 11, a control system 12 and a lifting plate.

Detailed Description

The first embodiment is as follows:

the embodiment provides a device for automatically arraying and uniformly adding grinding media of a ball mill, which comprises a storage bin 1, an arraying bin 2, a conveying device 9 and an adding device 10, wherein a material driving device is arranged in the storage bin 1, and an arraying and material lifting device 4 arranged at intervals in multiple stages is arranged in the arraying bin 2; the storage bin 1 is communicated with the whole row of bins 2 through a feeding port, and the conveying device 9 and the adding device 10 are arranged on the outer side of the whole row of bins 2.

The feeding port is an opening with a certain height and width, and is formed along the side walls of the storage bin 1 and the whole row of bins 2.

Specifically, the material driving device comprises a material driving plate 3 and an adjusting mechanism 7, one end of the material driving plate 3 is rotatably connected (for example, hinged) with the inner wall of the storage bin 1, and the other end of the material driving plate 3 extends into the whole-column bin 2 from a material inlet; the adjusting mechanism 7 is connected to one end, close to the feeding port, of the bottom of the material driving plate 3, the angle of the material driving plate 3 is adjusted through the adjusting mechanism 7, the blocking state of the ore grinding media in the bin can be broken, the ore grinding media are continuously fed to the whole row of bins, the continuity of the replenishing process of the ore grinding media is guaranteed, and the defect that the blocking state of a traditional ball feeder needs manual intervention is overcome.

In this embodiment, the adjusting mechanism 7 adopts a hydraulic rod, and the extension of the hydraulic rod enables one end of the material driving plate 3, which is positioned in the array bin 2, to be lifted so as to be attached to the top of the material inlet, which is equivalent to the material inlet being closed, so that the grinding medium cannot enter the array bin 2 from the storage bin 1; one end of the material expelling plate 3, which is positioned in the array bin 2, is lowered to be in butt joint with the first-level array lifting device 4 through retraction of the hydraulic rod, and the grinding medium smoothly enters the array bin 2 from the storage bin 1.

Further, the discharge hole of the whole row of bins 2 is provided with a chute 8, the chute 8 is arranged on the outer side of the whole row of bins 2, and the mounting position of the chute 8 is higher than the position of the feed hole. The outlet end of the chute 8 is downwardly inclined so that the grinding media can smoothly enter the conveying device 9.

The conveying device 9 is a conveyor belt mechanism, and the conveying direction of the conveyor belt mechanism is consistent with the arrangement direction of the ore grinding media; the adding device 10 is positioned at the discharging end of the conveying device 9, and the adding device 10 drops the ore grinding media to the feeding port of the ball mill one by one according to the command of the control system 11.

The control system 11 can automatically calculate the real-time demand of the grinding medium according to the set production parameters, cooperate with each link to automatically operate, monitor the operation state of each link, give an alarm to faults and automatically generate a report of the addition.

Furthermore, the arrangement lifting device 4 is provided with multiple stages, a first-stage arrangement lifting device is arranged close to the feeding port, a last-stage arrangement lifting device is arranged close to the chute 8, and the initial position heights of each stage of arrangement lifting device 4 are different. And a material guide step 5 is arranged on one side of each stage of the arranging and lifting device 4 far away from the material inlet, the material guide step 5 is arranged in a space between adjacent stages of the arranging and lifting devices 4, and the material guide step 5 of the last stage of the arranging and lifting device is in butt joint with a chute 8.

The installation heights of the material guide steps 5 corresponding to the material lifting devices 4 in all levels are different, and the material guide steps 5 in all levels are distributed in a step shape.

Further, the alignment lifting device 4 comprises a lifting plate 12, and the lifting plate 12 is connected with the lifting power source 6. The lifting power source 6 is a linear driving source, such as a hydraulic rod, an air cylinder, an electric cylinder, or the like.

The cross section of the material guide step 5 is in an inverted L shape and is installed in an inclined mode at a certain angle. In this embodiment, the material guiding step 5 is inclined towards the discharging side of the aligning bin 2, and the included angle between the material guiding step and the vertical direction along the counterclockwise direction is an acute angle, so that the ore grinding medium can be guided to the next aligning and lifting device 4.

Furthermore, the material guiding step is provided with a material lifting surface and a material guiding surface which are perpendicular to each other, and the material lifting surface is a guide surface in the lifting process of the whole row of material lifting devices 4; the initial position of the lifting plate 12 is at the end of the lifting surface (the end away from the material guiding surface), and the working surface of the lifting plate 12 is parallel to the material guiding surface. Under the action of the lifting power source 6, the lifting plate 12 can move along the material lifting surface, and when the lifting plate 12 is coplanar with the material guide surface, the grinding medium enters the next-stage whole-row material lifting device 4 through the material guide surface.

In order to ensure that the grinding media on the lifting plate 12 are smoothly lifted and simultaneously avoid scattering of the rest grinding media, the lifting plate 12 is configured to have an inverted L-shaped or gate-shaped cross section. And the working face of the lifting plate 12 has a certain length, and the lifting mode with a long section is adopted, so that the grinding medium in the whole bin 2 can be disturbed by each lifting, the blocking state of the grinding medium in the whole bin is broken, and the problems of ball blocking and ball blocking of the traditional ball adding machine at a ball fishing port are solved.

The width of the working face can be set according to the diameter interval of the ore grinding media, so that the ore grinding media are transversely lifted in an aligned mode and conveyed orderly, and the problem that irregular steel balls, steel sections and steel bars cannot be smoothly added in a traditional ball adding machine is solved. The lifting plate 12 is matched with the material guide step 5, so that the device is not only suitable for regular steel balls, but also suitable for irregular steel balls and steel sections. The problem that the traditional ball adding machine cannot smoothly add rough and irregular cast steel balls or steel sections is solved; the problems that the traditional ball adding machine drags or drags more balls, blocks and blocks balls when adding steel balls are solved, and the ball adding is discontinuous and inaccurate.

Example two:

the embodiment provides a method for automatically arraying and uniformly adding grinding media of a ball mill, which comprises the steps that by adopting the device in the first embodiment, the grinding media in a storage bin enter an arraying bin through a material driving device, a lifting plate of a first-stage arraying and lifting device is lifted to a working surface of the lifting plate to be coplanar with a material guide surface of a first-stage material guide step, and the grinding media enter a second-stage arraying and lifting device; the grinding media accumulated in the whole row of bins 2 are arranged into a straight line shape by all levels of whole row material lifting devices and are lifted to the discharging ends of the whole row of bins 2 step by means of the material guiding steps 5.

And then, the grinding media fall to the conveying device through the chutes in an arrayed manner, the conveying device conveys the grinding media to the adding device at the tail end, the adding device drops the grinding media to the feeding port of the ball mill one by one according to the command of the control system, and the conveying device can automatically operate to supplement the next grinding media at the rear end every time one grinding media is dropped. The control system automatically matches with the real-time grinding consumption of the grinding medium ground by the ball mill according to the set production parameters, so that automatic continuous, uniform and accurate addition is realized.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.