CN216678443U - Visual ball mill that possesses separation function - Google Patents

Abstract

The utility model relates to the technical field of grinding, and discloses a visual ball mill with a separation function, which comprises a shell and a grinding cylinder, wherein the grinding cylinder is rotatably arranged in the shell, one end of the grinding cylinder is provided with a feed inlet, the grinding cylinder is internally provided with at least one screen with meshes, the screen divides the interior of the grinding cylinder into a plurality of grinding bins, each grinding bin is internally provided with a grinding body, the inner side wall of each grinding bin is provided with a first window, the inner side wall of each grinding bin is provided with a filter screen sheet for covering or opening the first window, and the outer side wall of the grinding cylinder is provided with a first cover plate for covering or opening the first window; the side wall of the shell is provided with a second window matched with the first window in position, the side wall of the shell is provided with a second cover plate used for covering or opening the second window, and the bottom of the side wall of the shell is further provided with a discharge hole matched with the first window in position.

Description

Visual ball mill that possesses separation function

Technical Field

The utility model relates to the technical field of grinding, in particular to a visual ball mill with a separation function.

Background

The ball mill is a key device for crushing materials and then crushing the materials, and is suitable for grinding various ores and other materials. The existing ball mill is composed of a feeding portion, a discharging portion, a rotating portion, a transmission portion and other main parts, after materials enter the rotating portion from the feeding portion, the transmission portion drives the rotating portion to rotate in size, so that grinding bodies in the rotating portion can freely fall and slide under the action of centrifugal force, heavy impact and grinding effects are generated on the materials, the materials are discharged from the discharging portion after being ground to a certain degree, and grinding of the materials is completed. However, most of the conventional ball mills have a closed structure at the rotary part, and operators generally calculate the grinding degree of the material through grinding time, which easily causes incomplete grinding or transitional grinding of the material, causes inconsistent sizes of the taken-out material particles, and is difficult to meet the grinding requirement of the material.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a visual ball mill with a separation function, which can accurately judge the grinding condition of materials, ensure the sizes of the taken-out material particles to be consistent and meet the use requirements.

In order to achieve the purpose, the utility model provides a visual ball mill with a separation function, which comprises a shell and a grinding cylinder, wherein the grinding cylinder is rotatably arranged in the shell, one end of the grinding cylinder is provided with a feed inlet, the grinding cylinder is internally provided with at least one screen with meshes, the screen divides the interior of the grinding cylinder into a plurality of grinding bins, each grinding bin is internally provided with a grinding body, the inner side wall of each grinding bin is provided with a first window, the inner side wall of each grinding bin is provided with a filter screen sheet for covering or opening the first window, and the outer side wall of the grinding cylinder is provided with a first cover plate for covering or opening the first window; the side wall of the shell is provided with a second window matched with the first window in position, the side wall of the shell is provided with a second cover plate used for covering or opening the second window, and the bottom of the side wall of the shell is further provided with a discharge hole matched with the first window in position.

In some embodiments, the number of the screens is multiple, and the screens are sequentially arranged at intervals along the axial direction of the grinding drum.

In some embodiments, the number of mesh openings or pore size of each of the screens is different.

In some embodiments, the screen is a ceramic piece made of zirconia.

In some embodiments, a gap is formed between the housing and the grinding cylinder, and a temperature detection element for detecting the temperature of the grinding cylinder is arranged in the gap.

In some embodiments, the cooling device further comprises a cooling assembly, the cooling assembly comprises a water inlet pipe and a water outlet pipe, the first end of the water inlet pipe is used for introducing cooling water, the second end of the water inlet pipe is communicated with the gap, and one end of the water outlet pipe is communicated with the gap.

In some embodiments, the temperature sensing element is a thermocouple.

In some embodiments, the direction of sliding of the screen sheet is opposite to the direction of sliding of the first cover plate.

In some embodiments, the side wall of the housing is provided with a plug for opening or closing the discharge hole.

In some embodiments, the abrasive bodies are steel balls.

Compared with the prior art, the visual ball mill with the separation function has the beneficial effects that:

the inside of grinding vessel is cut apart into a plurality of grinding storehouses through the screen cloth, the material gets into the grinding storehouse that is located the tip from the feed inlet after, the drive grinding vessel rotates in the shell, so that the rinding body freely falls and the landing under the effect of centrifugal force, produce heavy impact and grinding effect to the material, the realization is to the grinding of material, the mesh that passes the screen cloth after the material powder to a certain degree is further ground in order to get into another grinding storehouse, the particle size of the material that gets into each grinding storehouse is controlled through the mesh quantity or the diameter size of design screen cloth, screen in grades the material. When the materials are ground for a certain time or after a certain degree, the first window is controlled to be aligned to the discharge hole, the first cover plate of one or more grinding bins is selectively opened, the ground materials are discharged through meshes of the filter screen and recovered, the grinding body is blocked by the filter screen and is left in the grinding bins, so that the materials meeting the grinding requirement are obtained, the sizes of the taken materials are ensured to be uniform, the phenomenon that the materials are not completely ground or excessively ground is avoided, the quality of the materials after being ground is improved, and the use requirement is met.

In addition, the shell is also provided with a second window, and after the first window is controlled to be aligned with the second window, an operator rotates to open the second cover plate and slides to open the filter screen sheet and the first cover plate to directly observe the material condition in the corresponding grinding bin, so that the grinding condition of the material is accurately judged, the material is controlled to be accurately taken out, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic structural diagram of a visual ball mill with separation function according to some embodiments of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1, showing a first window aligned with a second window;

FIG. 3 is a cross-sectional view A-A of FIG. 1, showing a first window aligned with the port;

in the figure, the position of the upper end of the main shaft,

1. a housing; 11. a second window; 12. a discharge port; 13. a control panel;

2. a grinding cylinder; 21. a feed inlet; 22. a grinding bin; 23. a first window;

3. screening a screen;

4. a grinding body;

5. a filter screen sheet;

6. a first cover plate;

7. a second cover plate;

8. a temperature detection element;

9. a cooling assembly; 91. a water inlet pipe; 911. a water pump; 92. a water outlet pipe;

10. and (4) inserting sheets.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model, but are not intended to limit the scope of the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-3, an embodiment of the present invention provides a visual ball mill with a separation function, including a housing 1 and a grinding cylinder 2, wherein the grinding cylinder 2 is rotatably disposed in the housing 1, one end of the grinding cylinder 2 is provided with a feed inlet 21, at least one screen 3 with meshes is disposed in the grinding cylinder 2, the screen 3 divides the inside of the grinding cylinder 2 into a plurality of grinding bins 22, a grinding body 4 is disposed in each grinding bin 22, a first window 23 is disposed on an inner side wall of each grinding bin 22, a screen sheet 5 for covering or opening the first window 23 is disposed on the inner side wall of the grinding bin 22, and a first cover plate 6 for covering or opening the first window 23 is disposed on an outer side wall of the grinding cylinder 2; the lateral wall of the shell 1 is provided with a second window 11 matched with the first window 23 in position, the lateral wall of the shell 1 is provided with a second cover plate 7 used for covering or opening the second window 23, and the bottom of the lateral wall of the shell 1 is also provided with a discharge hole 12 matched with the first window 23 in position.

It should be noted that, according to a general installation manner of the existing ball mill, the visual ball mill with the separation function according to the embodiment of the present invention is horizontally placed, and an acute angle is formed between the axis of the grinding cylinder 2 and the horizontal plane (the end of the grinding cylinder 2 having the feed port 21 is higher), when the grinding cylinder 2 rotates in the housing, the grinding body 4 in the grinding cylinder 2 freely falls and slides down under the action of centrifugal force to drive the material to circumferentially roll and grind, and at the same time, multi-stage screening is performed through the plurality of screens 3 at the inclined angle, so as to complete the grinding and screening functions of the material.

The visual ball mill with the separation function further comprises a driving mechanism for driving the grinding cylinder 2 to rotate in the shell 1, wherein the driving mechanism is a transmission part of the ball mill in the prior art, for example, a motor drives a belt to drive the grinding cylinder 2 to rotate in the shell 1. The inside wall of the grinding bin 22 is provided with first sliding grooves along the opposite edges of the inside of the first window 23, the two sides of the filter screen sheet 5 are respectively arranged in the first sliding grooves in a sliding manner, and the filter screen sheet 5 slides in the first sliding grooves to cover or open the first window 23. The outer side wall of the grinding cylinder 2 is provided with second sliding grooves along the outer side opposite edges of the first windows 23, the two sides of the first cover plate 6 are arranged in the second sliding grooves in a sliding mode respectively, and the first cover plate 6 covers or opens the first windows 23 by sliding in the second sliding grooves through the first cover plate 6. The second cover 7 is rotatably arranged at the side edge of the second window 11 by means of a hinge or a pivot, and the second cover 7 covers or uncovers the second window 11 by means of rotation of the second cover 7. Wherein the second cover 7 is preferably opened outwards.

Based on above-mentioned scheme, the inside of grinding vessel 2 is cut apart into a plurality of grinding storehouses 22 through screen cloth 3, the material gets into the grinding storehouse 22 that is located the tip from feed inlet 21 after, drive grinding vessel 2 is at the internal rotation of shell 1, so that rinding body 4 freely falls and the landing under the effect of centrifugal force, produce heavy impact and grinding effect to the material, the realization is to the grinding of material, the mesh that passes screen cloth 3 after the material powder reaches certain degree is in order to get into another grinding storehouse 22 in further grinding, the material size that gets into grinding storehouse 22 is controlled through mesh quantity or the diameter size of design screen cloth 3, carry out hierarchical screening to the material. When the materials are ground for a certain time or after a certain degree, the first window 23 is controlled to be aligned to the discharge hole 12, the first cover plate 6 of one or more grinding bins 22 is selectively opened, the ground materials pass through meshes of the filter screen 5 to be discharged and recovered, the grinding body 4 is blocked by the filter screen 5 and stays in the grinding bins 22, so that the materials meeting the grinding requirement are obtained, the size of the taken materials is ensured to be uniform, the phenomenon that the taken materials are not completely ground or excessively ground is avoided, the quality of the ground materials is improved, and the use requirement is met. In addition, the shell 1 is further provided with a second window 11, and after the first window 23 is controlled to be aligned with the second window 11, an operator rotates to open the second cover plate 7 and slides to open the filter screen sheet 5 and the first cover plate 6 to directly observe the material condition in the corresponding grinding bin 22, so that the grinding condition of the material is accurately judged, the material is controlled to be accurately taken out, and the working efficiency is improved.

In some embodiments, in order to increase the grinding degree of the material, the number of the screens 3 is plural, and the plural screens 3 are sequentially arranged at intervals along the axial direction of the grinding cylinder 2. For example, the number of the screens 3 is three, and the three screens 3 are arranged at intervals from each other to divide the inside of the grinding cylinder 2 into four grinding silos 22. Meanwhile, the quantity or the diameter size of meshes of each screen 3 is controlled to be different so as to meet the grinding requirement on the materials and gradually improve the grinding degree of the materials. Wherein, along the direction from one end of the feed inlet 21 close to the grinding cylinder 2 to the other end of the grinding cylinder 2, the mesh diameters of the plurality of screen meshes 3 are gradually reduced, so that the materials are gradually ground from rough grinding to fine grinding.

In some embodiments, the screen 3 may be selected as a ceramic piece made of zirconia. The screen 3 made of zirconia has high toughness, high bending strength, high wear resistance and excellent heat insulation performance, and meanwhile, the thermal expansion coefficient is close to that of the steel screen 3, so that the wear resistance of the screen 3 in the embodiment is more than ten times that of the common hard alloy, the service cycle is longer, the service life is prolonged, and the pollution to materials is lower.

In some embodiments, a gap is formed between the housing 1 and the grinding cylinder 2 to allow the grinding cylinder 2 to smoothly rotate within the housing 1. When grinding vessel 2 is in the state of incessantly rotatory, because the rinding body 4 and the material in grinding storehouse 22 take place the friction and produce the heat, make whole grinding vessel 2 temperature rise behind heat transfer to grinding vessel 2, influenced the stability of material to a certain extent, have the potential safety hazard simultaneously. For this purpose, a temperature detection element 8 for detecting the temperature of the grinding cylinder 2 is provided in the gap. The temperature detecting element 8 is, for example, a thermocouple, when the grinding cylinder 2 is operated, the temperature detecting element 8 detects the temperature of the grinding cylinder 2 in real time, the detected temperature is transmitted to a circuit board of the ball mill, and when the temperature rises to a predetermined temperature, the grinding cylinder 2 can be stopped or the grinding cylinder 2 can be cooled down to ensure the stability of the material and the operation safety.

In some embodiments, in order to cool the grinding cylinder 2 with an excessively high temperature, the visual ball mill with a separation function according to an embodiment of the present invention further includes a cooling assembly 9, where the cooling assembly 9 includes a water inlet pipe 91 and a water outlet pipe 92, a first end of the water inlet pipe 91 is used for introducing cooling water, a second end of the water inlet pipe 91 is communicated with the gap, and one end of the water outlet pipe 92 is communicated with the gap. Wherein, inlet tube 91 and outlet pipe 92 are located the both ends of grinding vessel 2 respectively to improve the cooling time of cooling water in the clearance, thereby improve the cooling effect. In order to prevent the cooling water from flowing out through the gap between the second window 11 and the second cover plate 7, it is necessary to seal the gap between the second window 11 and the second cover plate 7, for example, a sealing ring is provided along the outer periphery of the second cover plate 7, and the gap between the second cover plate 7 and the second window 11 is filled with the sealing ring, so as to achieve the purpose of waterproof sealing. Further, the water inlet pipe 91 may be provided with a water pump 911 to smoothly flow the cooling water from the outside into the gap.

In some embodiments, the direction of sliding of the screen sheet 5 is opposite to the direction of sliding of the first cover plate 6. For example, the filter screen sheet 5 slides leftwards along the axial direction of the grinding cylinder 2, and the first cover plate 6 slides rightwards along the axial direction of the grinding cylinder 2, so that the position interference between the filter screen sheet 5 and the first cover plate 6 during the sliding process can be avoided.

In some embodiments, the side wall of the housing 1 is provided with an insert 10 for opening or closing the outlet 12. The insert 10 can be arranged on the side wall of the shell 1 in a sliding way, and when the grinding cylinder 2 rotates far, the insert 10 is inserted into the shell 1 to cover the discharge hole 12; when the grinding cylinder 2 stops operating to take out the material, the insert 10 is pulled out to open the discharge hole 12, so that the material is smoothly discharged from the discharge hole 12.

In some embodiments, the abrasive bodies 4 are steel balls. The diameter or number of the steel balls in each grinding bin 22 may be the same or different, and is not limited herein. The spherical grinding body 4 can reduce the frictional resistance, reduce the generation of heat, improve the kinetic energy of the grinding body 4 simultaneously, and fully grind the materials.

Further, in order to realize the intelligent control of the ball mill, one end of the shell 1, which is far away from the feed inlet 21, is provided with a control panel 13, and the control panel 13 comprises but is not limited to a temperature display screen, a rotating speed setting screen, a timing setting screen, a barrel rotation setting screen, a water pump switch and an equipment operation switch, so that the operation is convenient. The rotational speed of grinding vessel 2 can be set through the rotational speed setting screen before operation, and the equipment operation switch is turned on to perform specific operation, so that the equipment starts to operate. If a specific running time is required, the timing can be set through the timing setting screen. The temperature display screen is electrically connected with the temperature detection element 8 to visually observe the temperature of the grinding cylinder 2, and when the temperature is too high, a water pump switch is turned on to enable cooling water to flow into the grinding cylinder 2 from the water inlet pipe 91 to cool; when the temperature drops, the water pump switch is turned off to allow the cooling water to be discharged from the water outlet pipe 92. After grinding is finished, closing an equipment operation switch; the screen 24 is arranged through the rotation of the cylinder body to adjust the first window 23 to be aligned with the second window 11, and the second cover plate 7, the first cover plate 6 and the filter screen sheet 5 are opened in sequence to observe the grinding degree. The screen is arranged through the rotation of the cylinder body, so that the first window 23 of the grinding cylinder 2 is vertically aligned with the discharge port 12, a vessel or a bag for containing materials is prepared, the inserting piece 10 is pulled out, the materials flow out of the vessel or the bag along the first window 23 and the discharge port 12, and the recovery work is completed.

To sum up, the embodiment of the present invention provides a visual ball mill with a separation function, wherein the inside of a grinding cylinder 2 is divided into a plurality of grinding bins 22 by a screen 3, after a material enters the grinding bin 22 at an end portion from a feed port 21, the grinding cylinder 2 is driven to rotate in a housing 1, so that a grinding body 4 freely falls and slides under the action of a centrifugal force, and the material is subjected to heavy impact and grinding action, so that the material is ground, when the material powder reaches a certain degree, the material powder passes through meshes of the screen 3 to enter another grinding bin 22 for further grinding, the size of the material entering the grinding bin 22 is controlled by designing the number or diameter of the meshes of the screen 3, and the material is classified and screened. When grinding for a certain time or after a certain degree, control first window 23 and aim at discharge gate 12, selectively open the first apron 6 of one or more of grinding storehouse 22, the material after the grinding passes the mesh of filter screen piece 5 and discharges and retrieve, grinding body 4 then is blockked by filter screen piece 5 and stays in grinding storehouse 22 to obtain the material that satisfies the grinding requirement, guarantee that the material size of taking out is even unanimous, avoid the material of taking out to have the incomplete or transitional phenomenon of grinding, improved the material quality after the grinding, satisfy the user demand. In addition, the shell 1 is further provided with a second window 11, and after the first window 23 is controlled to be aligned with the second window 11, an operator rotates to open the second cover plate 7 and slides to open the filter screen sheet 5 and the first cover plate 6 to directly observe the material condition in the corresponding grinding bin 22, so that the grinding condition of the material is accurately judged, the material is controlled to be accurately taken out, and the working efficiency is improved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A visual ball mill with a separation function is characterized by comprising a shell and a grinding cylinder, wherein the grinding cylinder is rotatably arranged in the shell, a feed inlet is formed in one end of the grinding cylinder, at least one screen with meshes is arranged in the grinding cylinder, the screen divides the interior of the grinding cylinder into a plurality of grinding bins, a grinding body is arranged in each grinding bin, a first window is formed in the inner side wall of each grinding bin, a filter screen sheet used for covering or opening the first window is arranged on the inner side wall of each grinding bin, and a first cover plate used for covering or opening the first window is arranged on the outer side wall of the grinding cylinder; the side wall of the shell is provided with a second window matched with the first window in position, the side wall of the shell is provided with a second cover plate used for covering or opening the second window, and the bottom of the side wall of the shell is further provided with a discharge hole matched with the first window in position.

2. A visual ball mill with a separation function according to claim 1, wherein the number of the mesh screens is plural, and the plural mesh screens are sequentially provided at intervals in an axial direction of the grinding bowl.

3. A visual ball mill with a separation function according to claim 2, wherein the number of meshes or the size of the holes of each screen is different.

4. A visual ball mill with separation function according to any one of claims 1 to 3, wherein the screen is a ceramic member made of zirconia.

5. A visual ball mill with a separation function according to claim 1, wherein a gap is formed between the housing and the grinding bowl, and a temperature detection element for detecting a temperature of the grinding bowl is provided in the gap.

6. A visual ball mill with a separation function according to claim 5, further comprising a cooling assembly, wherein the cooling assembly comprises a water inlet pipe and a water outlet pipe, a first end of the water inlet pipe is used for introducing cooling water, a second end of the water inlet pipe is communicated with the gap, and one end of the water outlet pipe is communicated with the gap.

7. A visual ball mill with separation function according to claim 5 or 6, wherein the temperature detection element is a thermocouple.

8. A visual ball mill with a separation function according to claim 1, wherein the direction of sliding the mesh sheet is opposite to the direction of sliding the first cover plate.

9. A visual ball mill with separation function according to claim 1, wherein the side wall of the housing is provided with a plug for opening or closing the discharge hole.

10. A visual ball mill with separation function according to claim 1, wherein the grinding bodies are steel balls.

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