Mineral grinding device

Abstract

The utility model belongs to the technical field of mineral grinding, and particularly relates to a mineral grinding device. The grinding cylinder is fixedly arranged in the box body; the power cylinder is movably arranged in the grinding cylinder; the grinding rollers are arranged on the surface of the power cylinder in a circumferential array manner; the first motor is arranged at the bottom of the box body, and the output end of the first motor penetrates through the box body and is coaxially connected with the power cylinder; and the crushing assembly is arranged in the box body. Ore enters the box body from the feeding port, the crushing assembly crushes the ore, the crushed ore falls to the top of the power cylinder, the rotating power cylinder provides centripetal force for the ore, the ore enters the grinding cylinder, and the power cylinder drives the grinding rollers on the surface to rotate around the power cylinder to grind the ore entering the grinding cylinder. The multiple grinding rollers are arranged on the surface of the power cylinder, the ore grinding frequency is increased, and the grinding efficiency is also improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of ore grinding, in particular to a mineral grinding device. Background Art

[0002] Ore grinding is an important step in the development and utilization of mineral resources. Currently, most mineral grinding devices on the market are ball mills, but traditional ball mills have disadvantages such as high energy consumption, low efficiency, and difficult to control particle size distribution.

[0003] The Chinese patent publication number CN220425562U discloses an ore powder grinding mill for mining, comprising a housing, characterized in that a feed hopper is mounted on the top of the housing, a crushing mechanism is provided in the housing, a first motor is fixedly mounted on the front side of the housing, the output shaft of the first motor is in transmission connection with the crushing mechanism, a positioning plate is fixedly mounted on the inner wall of the housing, a grinding groove is provided on the positioning plate, three guide holes are provided at the bottom of the grinding groove, a filter plate is mounted on the inner wall of the guide hole, a grinding mechanism is provided on the positioning plate, a second motor is fixedly mounted on one side of the housing, a rotating rod is fixedly mounted on the output shaft of the second motor, the rotating rod is in transmission connection with the grinding mechanism, and a discharge hole is provided at the bottom of the housing. The device provides the entire process of ore grinding, is simple to operate, and is easy to use. However, the efficiency of the grinding mechanism of the device is very low, which affects production efficiency. Utility Model Content

[0004] The purpose of this utility model is to provide a mineral grinding device with an efficient grinding mechanism to improve production efficiency in response to the above-mentioned technical problems.

[0005] In view of this, the utility model provides a mineral grinding device, comprising a box body and a feed port arranged on the top of the box body, and also comprising: a grinding cylinder, which is fixedly arranged in the box body; a power cylinder, which is movably arranged in the grinding cylinder; grinding rollers, which are arranged in a circular array on the surface of the power cylinder; a first motor, which is arranged at the bottom of the box body, and the output end of the first motor passes through the box body and is coaxially connected to the power cylinder; and a crushing assembly, which is arranged in the box body.

[0006] In this technical solution, a first motor drives the power drum to rotate within the grinding drum, which in turn drives the grinding rollers on its surface to rotate around it, with the inner wall of the grinding drum and the surface of the grinding rollers in contact. Ore enters the box through the feed inlet, where the crushing assembly crushes the ore. The crushed ore falls to the top of the power drum, where the rotating power drum provides centripetal force for the ore to enter the grinding drum. The power drum also drives the grinding rollers on its surface to rotate around it, grinding the ore within the grinding drum. By arranging multiple grinding rollers on the surface of the power drum, the number of times the ore is ground is increased, thereby improving grinding efficiency.

[0007] In the above technical solution, further, it includes a rotating assembly, the rotating assembly is arranged in a circular array on the surface of the power cylinder, and the rotating assembly is movably connected to the grinding roller.

[0008] In this technical solution, when the ore is ground, since the grinding roller is movably arranged on the rotating assembly, the grinding roller itself also rotates, thereby achieving the effect of reducing equipment wear.

[0009] In the above technical solution, further, the rotating assembly includes a first fixed block, a second fixed block is arranged below the first fixed block, a fixed groove is arranged between the first fixed block and the second fixed block, and the grinding roller is vertically rotated and arranged between the first fixed block and the second fixed block, and the surface of the grinding roller is in contact with the inner wall of the fixed groove.

[0010] In this technical solution, the power drum is equipped with several grinding rollers. Each grinding roller is equipped with a first fixing block, a second fixing block, and a fixing groove. The first and second fixing blocks secure the grinding rollers. The fixing grooves prevent ore from entering the gap between the grinding rollers and the power drum during grinding, reducing wear on the equipment.

[0011] In the above technical solution, further, it includes a guide component, which is arranged between the crushing component and the grinding cylinder, and the guide component guides the ore to between the grinding cylinder and the power cylinder.

[0012] In the above technical solution, further, the guide assembly includes a cone and a guide plate, the cone is arranged on the top of the power cylinder, and the guide plate is fixedly arranged on the top of the grinding cylinder.

[0013] In this technical solution, the guide plate guides the ore falling into the box into the grinding cylinder. Since the cone rotates with the power cylinder, it provides centripetal force to the ore falling on the cone, so that the ore on the power cylinder is guided between the grinding cylinder and the power cylinder. The guide plate and the cone improve the diversion effect of the ore.

[0014] In the above technical solution, further, the power cylinder includes an ore shovel, which is fixedly arranged on the surface of the power cylinder at an angle, and the ore shovel is arranged between two adjacent grinding rollers.

[0015] In this technical solution, the ore shovel rotates around the power cylinder. The tilt of the ore shovel causes the ore that falls into the bottom of the grinding cylinder to move along the upper surface of the ore shovel, causing the ore to move vertically. The ore moves to a position that is on the motion track of the grinding roller, which grinds the ore. The use of multiple ore shovels and grinding rollers allows for repeated grinding of the ore, thereby achieving improved grinding results.

[0016] In the above technical solution, further, it includes a collecting component, the collecting component includes sieve holes, the sieve holes are arranged in a circular array on the grinding cylinder, the grinding cylinder is provided with a circular air duct, the circular air duct is connected to one end of the exhaust pipe, and the other end of the exhaust pipe passes through the inner wall of the box and is connected to the exhaust fan.

[0017] In this technical solution, the exhaust fan provides wind force into the circular air duct through the exhaust pipe, sucking the ore powder particles with a diameter smaller than the diameter of the screening hole into the exhaust fan, thereby achieving the collection effect. The exhaust fan introduces the air mixed with ore powder into the next process flow. The exhaust fan is an existing well-known technology and will not be described in detail.

[0018] In the above technical solution, further, the crushing assembly includes a crushing roller, two of the crushing rollers are rotatably arranged on the inner wall of the box, the crushing rollers are coaxially connected to a rotating shaft, the two rotating shafts symmetrically pass through the inner wall of the box, the rotating shaft is coaxially provided with a first gear, the two first gears are engaged with each other, and one of the first gears is connected to the output unit.

[0019] In the above technical solution, further, the output unit includes a second motor, the second motor is fixedly arranged on the outer wall of the box body, a second gear is coaxially fixed to the output end of the second motor, and the second gear is meshed with one of the first gear outputs.

[0020] In this technical solution, the second motor drives the second gear to rotate, and the second gear drives the first gear to rotate. The two first gears are engaged with each other, so that the two crushing rollers rotate in opposite directions to perform preliminary crushing on the ore.

[0021] The beneficial effects of the utility model are:

[0022] 1. By setting grinding rollers, multiple grinding rollers are set on the surface of the power drum to increase the number of times the ore is ground, and the grinding efficiency is also improved.

[0023] 2. By setting up an ore shovel, setting up multiple ore shovels and grinding rollers to cooperate, the ore can be repeatedly ground, so that the ore grinding process can achieve an improved effect.

[0024] 3. By setting up the collection component, the exhaust fan provides wind force to the circular air duct through the exhaust pipe, and the ore powder particles with a diameter smaller than the screening hole diameter are sucked into the exhaust fan, thereby achieving the collection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural diagram of the utility model;

[0026] Figure 2 It is a schematic diagram of the cross-sectional structure;

[0027] Figure 3 It is a cross-sectional schematic diagram of the grinding mechanism;

[0028] Figure 4 It is a schematic diagram of the exploded view of the grinding mechanism;

[0029] Figure 5 yes Figure 4 A in the middle is an enlarged schematic diagram;

[0030] Figure 6 is a partial cross-sectional schematic diagram of a collection assembly;

[0031] Figure 7 This is a schematic diagram of the crushing component.

[0032] The marks in the figure are:

[0033] 1. Box body; 2. Feed inlet; 3. Grinding cylinder; 4. Power cylinder; 5. Grinding roller; 6. First motor; 7. Collecting assembly; 8. Crushing assembly; 9. First fixed block; 10. Second fixed block; 11. Fixed groove; 12. Guide plate; 13. Cone; 14. Ore shovel; 701. Screening hole; 702. Circular air duct; 703. Exhaust duct; 704. Exhaust fan; 801. Crushing roller; 802. Rotating shaft; 803. First gear; 804. Second motor; 805. Second gear. DETAILED DESCRIPTION

[0034] The following will be combined with the accompanying drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of this application.

[0035] In the description of this application, it should be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Technologies, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but where appropriate, the technologies, methods and equipment should be considered as part of the authorization specification. In all examples shown and discussed here, any specific values should be interpreted as merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, so once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0036] It should be noted that the terms "first," "second," etc. in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than those illustrated or described herein, and that the objects distinguished by "first," "second," etc. are generally of the same type, and do not limit the number of objects. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0037] It should be noted that, in the description of this application, the directions or positional relationships indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional terms do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application; the directional terms "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0038] It should be noted that, in the present application, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved. For example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0039] Example 1:

[0040] This embodiment provides a mineral grinding device with an efficient grinding mechanism, which can improve production efficiency. Figure 1As shown, the present invention comprises a housing 1 and a feed port 2 disposed at the bottom of the housing 1, as well as a grinding drum 3 fixedly disposed within the housing 1; a power drum 4 movably disposed within the grinding drum 3; grinding rollers 5 arranged in a circular array on the surface of the power drum 4; a first motor 6 disposed at the bottom of the housing 1, the output end of the first motor 6 passing through the housing 1 and coaxially connected to the power drum 4; and a crushing assembly 8 disposed within the housing 1. The first motor 6 drives the power drum 4 to rotate within the grinding drum 3, which in turn drives the grinding rollers 5 on its surface to rotate around itself, with the inner wall of the grinding drum 3 and the surface of the grinding rollers 5 in contact with each other. Ore enters the housing 1 through the feed port 2, and the crushing assembly 8 crushes the ore. The crushed ore falls to the top of the power drum 4. The rotating power drum 4 provides centripetal force for the ore, forcing it into the grinding drum 3. The power drum 4 then drives the grinding rollers 5 on its surface to rotate around itself, grinding the ore within the grinding drum 3. The multiple grinding rollers 5 provided on the surface of the power cylinder 4 increase the number of times the ore is ground and the grinding efficiency is also improved.

[0041] like Figure 5 As shown, it includes a rotating assembly, the rotating assembly is arranged in a circular array on the surface of the power cylinder 4, and the rotating assembly is movably connected to the grinding roller 5. When the ore is ground, since the grinding roller 5 is movably arranged on the rotating assembly, the grinding roller 5 itself also rotates, achieving the effect of reducing equipment wear. The rotating assembly includes a first fixed block, a second fixed block 10 is arranged below the first fixed block 9, and a fixed groove 11 is arranged between the first fixed block 9 and the second fixed block 10. The grinding roller 5 is vertically rotated and arranged between the first fixed block 9 and the second fixed block 10, and the surface of the grinding roller 5 is in contact with the inner wall of the fixed groove 11. Several grinding rollers 5 are arranged on the surface of the power cylinder 4, and the power cylinder 4 is provided with a first fixed block 9, a second fixed block 10 and a fixed groove 11 corresponding to each grinding roller 5. The first fixed block 9 and the second fixed block 10 fix the grinding position. When the ore is ground, the setting of the fixed groove 11 prevents the ore from entering the gap between the grinding roller 5 and the power, reducing equipment wear.

[0042] like Figure 3 and Figure 4As shown, it includes a guide assembly, which is arranged between the crushing assembly 8 and the grinding cylinder 3. The guide assembly guides the ore between the grinding cylinder 3 and the power cylinder 4. The guide assembly includes a cone 13 and a guide plate 12. The cone 13 is arranged on the top of the power cylinder 4, and the guide plate 12 is fixedly arranged on the top of the grinding cylinder 3. The guide plate 12 guides the ore falling into the box 1 into the grinding cylinder 3. Since the cone 13 rotates with the power cylinder 4, it provides centripetal force to the ore falling on the cone 13, so that the ore on the power cylinder 4 is guided between the grinding cylinder 3 and the power cylinder 4. The guide plate 12 and the cone 13 improve the diversion effect on the ore.

[0043] like Figure 4 As shown, the power drum 4 includes an ore shovel 14, which is fixedly mounted at an angle on the surface of the power drum 4 and positioned between two adjacent grinding rollers 5. The ore shovel 14 rotates around the power drum 4. The tilt of the ore shovel 14 causes ore that has fallen into the bottom of the grinding drum 3 to move along the upper surface of the ore shovel 14, causing the ore to move vertically. The ore moves to a position that is aligned with the motion trajectory of the grinding rollers 5, which then grind the ore. Multiple ore shovels 14 are arranged to cooperate with the grinding rollers 5 to achieve repeated grinding of the ore, thereby achieving enhanced ore grinding efficiency.

[0044] Example 2:

[0045] This embodiment provides a mineral grinding device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0046] like Figure 6 As shown, the collecting assembly 7 includes sieve holes 701 arranged in a circular array on the grinding cylinder 3. The grinding cylinder 3 is provided with a circular air duct 702. The circular air duct 702 is connected to one end of an exhaust pipe 703. The other end of the exhaust pipe 703 extends through the inner wall of the housing 1 and is connected to an exhaust fan 704. The exhaust fan 704 provides air flow into the circular air duct 702 through the exhaust pipe 703, sucking ore powder particles with a diameter smaller than that of the sieve holes 701 into the exhaust fan 704, thereby achieving the collection effect. The exhaust fan 704 guides the air mixed with the ore powder into the next process flow. The exhaust fan 704 is a well-known technology and is not described in detail.

[0047] Example 3:

[0048] This embodiment provides a mineral grinding device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0049] like Figure 7As shown, the crushing assembly 8 includes crushing rollers 801, two of which are rotatably mounted on the inner wall of the housing 1. The crushing rollers 801 are coaxially connected to a rotating shaft 802, which symmetrically extends through the inner wall of the housing 1. The rotating shaft 802 is coaxially mounted with a first gear 803, which meshes with each other. One of the first gears 803 is connected to an output unit. The output unit includes a second motor 804, which is fixed to the outer wall of the housing 1. A second gear 805 is coaxially mounted on the output end of the second motor 804, which meshes with one of the first gears 803. The second motor drives the second gear 805 to rotate, which in turn drives the first gear 803 to rotate. The two first gears 803 mesh with each other, causing the two crushing rollers 801 to rotate in opposite directions, thereby initially crushing the ore.

[0050] The embodiments of the present application are described above in conjunction with the accompanying drawings. Unless there is a conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms without departing from the purpose of this application and the scope of protection of the claims, all of which are within the protection of this application.

Claims

1. A mineral grinding device, comprising a housing (1) and a feed port (2) provided on the top of the housing (1), characterized in that: Also includes: A grinding cylinder (3), wherein the grinding cylinder (3) is fixedly arranged in the box (1); A power cylinder (4), wherein the power cylinder (4) is movably arranged in the grinding cylinder (3); Grinding rollers (5), wherein the grinding rollers (5) are arranged in a circumferential array on the surface of the power cylinder (4); A first motor (6), the first motor (6) being arranged at the bottom of the box (1), and an output end of the first motor (6) passing through the box (1) and coaxially connected to the power cylinder (4); A crushing assembly (8), wherein the crushing assembly (8) is arranged in the box (1).

2. A mineral grinding device according to claim 1, characterized in that: It comprises a rotating assembly, wherein a circumferential array of the rotating assembly is arranged on the surface of a power cylinder (4), and the rotating assembly is movably connected to a grinding roller (5).

3. A mineral grinding device according to claim 2, characterized in that: The rotating assembly comprises a first fixed block, a second fixed block (10) is provided below the first fixed block (9), a fixed groove (11) is provided between the first fixed block (9) and the second fixed block (10), the grinding roller (5) is vertically rotatably provided between the first fixed block (9) and the second fixed block (10), and the surface of the grinding roller (5) is in contact with the inner wall of the fixed groove (11).

4. A mineral grinding device according to claim 1, characterized in that: The invention comprises a flow guide component, wherein the flow guide component is arranged between the crushing component (8) and the grinding cylinder (3), and the flow guide component guides the ore between the grinding cylinder (3) and the power cylinder (4).

5. A mineral grinding device according to claim 4, characterized in that: The flow guide assembly comprises a cone (13) and a flow guide plate (12), wherein the cone (13) is arranged on the top of the power cylinder (4), and the flow guide plate (12) is fixedly arranged on the top of the grinding cylinder (3).

6. A mineral grinding device according to claim 1, characterized in that: The power cylinder (4) comprises an ore shovel (14), the ore shovel (14) is fixedly arranged on the surface of the power cylinder (4) at an angle, and the ore shovel (14) is arranged between two adjacent grinding rollers (5).

7. A mineral grinding device according to claim 1, characterized in that: The invention comprises a collecting assembly (7), wherein the collecting assembly (7) comprises sieve holes (701), wherein the sieve holes (701) are arranged in a circular array on the grinding cylinder (3), wherein the grinding cylinder (3) is provided with a circular air guide tube (702), wherein the circular air guide tube (702) is connected to one end of an exhaust pipe (703), and the other end of the exhaust pipe (703) passes through the inner wall of the box body (1) and is connected to an exhaust fan (704).

8. The mineral grinding device according to claim 1, characterized in that: The pulverizing assembly (8) comprises pulverizing rollers (801), two pulverizing rollers (801) being rotatably arranged on the inner wall of the box body (1), the pulverizing rollers (801) being coaxially connected to a rotating shaft (802), the two rotating shafts (802) symmetrically passing through the inner wall of the box body (1), the rotating shaft (802) being coaxially provided with a first gear (803), the two first gears (803) being meshed with each other, and one of the first gears (803) being connected to an output unit.

9. A mineral grinding device according to claim 8, characterized in that: The output unit comprises a second motor (804), the second motor (804) being fixedly arranged on the outer wall of the box body (1), a second gear (805) being coaxially fixed to the output end of the second motor (804), and the second gear (805) being meshed with the output of one of the first gears (803).

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