Ore grinding device

Abstract

The utility model relates to the technical field of ore grinding, and in particular to an ore grinding device, comprising a grinding tank, an opening is provided at the bottom of the grinding tank, a first driving motor is installed at the top of the grinding tank, a driving shaft is installed at the bottom of the first driving motor, the driving shaft passes through the top of the grinding tank and the two are rotatably connected, the bottom of the driving shaft is rotatably installed on a support frame, and the support frame is fixed to the bottom of the grinding tank; a conical roller is coaxially installed on the driving shaft, and the narrow mouth of the roller is set downward; a conical cover with a wide mouth and an upward setting is provided in the grinding tank, and a plurality of spaced and spherical extrusion blocks are installed on the inner wall of the conical cover and the outer wall of the roller. When the utility model is in use, the ore grinding device extrudes and grinds the ore through the rotation of the roller and the reciprocating vibration of the conical cover, and then performs secondary grinding through the grinding mechanism, which not only improves the grinding efficiency, but also will not be hindered by the excessive volume of the ore.

Description

Technical Field

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

[0002] Ore refers to a mineral aggregate from which useful components can be extracted or which itself has certain properties that can be utilized; it can be divided into metallic minerals and non-metallic minerals; the unit content of useful components (elements or minerals) in ore is called ore grade, and precious metal ores such as gold and platinum are expressed in grams per ton, while other ores are often expressed in percentages.

[0003] After the ore is mined, it is sometimes necessary to grind the ore for testing and other operations. Therefore, a small grinding device is needed to grind the ore. The existing grinding devices mostly grind the ore by rotating and squeezing the rollers. This also results in larger ores. Before grinding, they need to be crushed and then ground to prevent the ore from being unable to be acted upon by the rollers. Utility Model Content

[0004] The utility model aims to solve the above-mentioned shortcomings in the prior art and proposes an ore grinding device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: design an ore grinding device, including a grinding tank, the bottom of which is provided with an opening, a first driving motor is installed on the top of the grinding tank, a driving shaft is installed on the bottom of the first driving motor, the driving shaft passes through the top of the grinding tank and the two are rotatably connected, the bottom of the driving shaft is rotatably installed on a support frame, and the support frame is fixed to the bottom of the grinding tank;

[0006] A conical roller is coaxially mounted on the driving shaft, and the narrow opening of the roller is arranged downward;

[0007] A conical cover with a wide mouth facing upward is provided in the grinding jar, and a plurality of spherical extrusion blocks arranged at intervals are installed on the inner wall of the conical cover and the outer wall of the roller, wherein the roller is placed in the conical cover, and a plurality of compression springs arranged at intervals are provided between the conical cover and the inner wall of the grinding jar, and mounting seats are connected to the ends of the compression springs, one of the mounting seats is fixed on the inner wall of the grinding jar, and the other mounting seat is fixed on the outer wall of the conical cover, and at least one vibration motor is installed on the outer wall of the conical cover, and a grinding mechanism is also provided at the bottom of the grinding jar.

[0008] Preferably, the grinding tank includes a tank body with a conical bottom and a top cover installed on the top of the tank body, the first drive motor is installed on the top cover, and the drive shaft is rotatably connected to the top cover, and the support frame and the mounting seat are fixed to the inner wall of the tank body.

[0009] Preferably, a feed port is installed on one side of the top of the top cover, the bottom of the feed port corresponds to the top of the conical cover, at least three spaced support legs are installed at the bottom edge of the tank body, and a discharge port corresponding to the opening is installed at the bottom of the tank body.

[0010] Preferably, the grinding mechanism comprises a rotating disk, which is located below the conical cover and coaxially mounted on the driving shaft, the edge of the rotating disk is in clearance with the inner wall of the tank body, and a plurality of through holes arranged at intervals are opened on the rotating disk;

[0011] A pressure roller is provided above the turntable. The pressure roller is arranged along the radial direction of the turntable, and the side of the pressure roller is placed on the top of the turntable. A connecting shaft is coaxially installed at one end of the pressure roller close to the inner wall of the tank body. The connecting shaft passes through the outer wall of the tank body and is connected to a second drive motor. The connecting shaft is rotatably connected to the tank body, and the second drive motor is fixed to the outer wall of the tank body through a bracket.

[0012] Preferably, an annular slide groove is provided along the side of the turntable, a slider is provided in the slide groove, and the slider is fixed on the inner wall of the tank body.

[0013] Preferably, the top of the rotating roller is an arc-shaped surface which is coaxial with the driving shaft and has an edge bent downward.

[0014] Preferably, an elastic buffer is provided in each compression spring, and ends of the elastic buffer are rotatably connected to mounting seats at both ends respectively.

[0015] The design scheme proposed by the utility model has the following beneficial effects during application:

[0016] 1. The ore grinding device drives the roller and the extrusion blocks on the conical cover to reciprocate and approach each other and grind the ore through the rotation of the roller and the reciprocating vibration of the conical cover, and the ore is extruded and ground. As the conical cover vibrates, the distance between the roller and the conical cover can change back and forth, so that large pieces of ore can fall between the roller and the conical cover for grinding.

[0017] 2. The ore grinding device performs secondary grinding operation on the ore passing between the roller and the conical cover through the grinding mechanism to improve the grinding effect of the device on the ore. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0019] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0020] Figure 3 This is a top structural diagram of the tank body of the utility model;

[0021] Figure 4 It is a side sectional view of the tank body of the utility model;

[0022] Figure 5 It is a front view of the tank section of the utility model.

[0023] In the figure: 1. tank body; 2. top cover; 3. first drive motor; 4. drive shaft; 5. roller; 6. conical cover; 7. extrusion block; 8. compression spring; 9. mounting seat; 10. elastic buffer; 11. vibration motor; 12. support frame; 13. turntable; 14. through hole; 15. pressure roller; 16. second drive motor; 17. connecting shaft; 18. slide groove; 19. slider; 20. discharge port; 21. feed port; 22. support leg. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Reference Figure 1-Figure 5 A mineral grinding device includes a grinding tank, which includes a tank body 1 with a conical bottom and a top cover 2 installed on the top of the tank body 1. In actual use, the top cover 2 is installed on the top of the tank body 1 through a flange.

[0026] The bottom of the grinding tank is provided with an opening, a feed port 21 is installed on one side of the top of the top cover 2, a discharge port 20 corresponding to the opening is installed at the bottom of the tank body 1, and at least three support legs 22 arranged at intervals are installed at the bottom edge of the tank body 1;

[0027] like Figure 1 and Figure 3 As shown, a first drive motor 3 is installed on the top of the grinding jar (that is, the first drive motor 3 is installed on the top cover 2), and a drive shaft 4 is installed on the bottom of the first drive motor 3. The drive shaft 4 passes through the top of the grinding jar and the two are rotatably connected (that is, the drive shaft 4 is rotatably connected to the top cover 2). Figure 2 and Figure 4 As shown, the bottom of the driving shaft 4 is rotatably mounted on the support frame 12, and the support frame 12 is fixed to the bottom of the grinding tank (that is, the support frame 12 is connected to the bottom of the tank body 1); a conical roller 5 is coaxially mounted on the driving shaft 4, and the narrow mouth of the roller 5 is set downward, and the first driving motor 3 provides power for the rotation of the driving shaft 4;

[0028] A wide-mouthed upwardly-set conical cover 6 is provided in the grinding tank, and the top of the conical cover 6 corresponds to the bottom of the feed port 21. A plurality of spherical extrusion blocks 7 arranged at intervals are installed on the inner wall of the conical cover 6 and the outer wall of the roller 5. The roller 5 is placed in the conical cover 6. After the ore enters the conical cover 6 from the feed port 21, it will fall on the top of the roller 5. Since the top of the roller 5 is an arc surface coaxial with the drive shaft 4 and with the edge bent downward, the ore can be moved along the arc surface of the roller 5. The cone hood 6 slides toward the edge of the roller 5, and at least one vibration motor 11 is installed on the outer wall of the cone hood 6, so that the cone hood 6 will continue to swing when the roller 5 rotates. At this time, the cone hood 6 and the extrusion blocks 7 on the roller 5 will squeeze and grind the ore back and forth, thereby grinding the ore. As the cone hood 6 swings back and forth, the gap between the cone hood 6 and the roller 5 will change back and forth, so that larger ore can more conveniently enter between the cone hood 6 and the roller 5.

[0029] like Figure 3 and Figure 4 As shown, a plurality of compression springs 8 are arranged at intervals between the conical cover 6 and the inner wall of the grinding tank, and the ends of the compression springs 8 are connected to mounting seats 9, one of which is fixed on the inner wall of the grinding tank (tank body 1), and the other is fixed on the outer wall of the conical cover 6, which not only supports the conical cover 6 but also buffers the vibration of the conical cover 6.

[0030] Furthermore, each compression spring 8 is provided with an elastic buffer 10, and the ends of the elastic buffer 10 are rotatably connected to the mounting seats 9 at both ends, respectively, to provide buffering for the telescopic movement of the compression spring 8, thereby reducing the probability of damage to the compression spring 8 and protecting the compression spring 8.

[0031] A grinding mechanism is also provided at the bottom of the grinding tank. Figure 4 and Figure 5As shown, the grinding mechanism includes a turntable 13, which is located below the conical cover 6 and is coaxially mounted on the drive shaft 4. The edge of the turntable 13 is in clearance with the inner wall of the tank body 1, and a plurality of through holes 14 arranged at intervals are opened on the turntable 13; a pressure roller 15 is provided above the turntable 13, and the pressure roller 15 is arranged along the radial direction of the turntable 13, and the side of the pressure roller 15 is placed on the top of the turntable 13, and a connecting shaft 17 is coaxially mounted at one end of the pressure roller 15 close to the inner wall of the tank body 1, and the connecting shaft 17 passes through the outer wall of the tank body 1 and is connected to a second drive motor 16, and the connecting shaft 17 is rotatably connected to the tank body 1, and the second driving motor 16 is fixed to the outer wall of the tank body 1 through a bracket, and the ore that falls from the conical cover 6 after grinding will fall on the turntable 13, and the turntable 13 will rotate under the rotation of the driving shaft 4. At this time, since the pressure roller 15 is driven by the second driving motor 16 to rotate, the pressure roller 15 squeezes and grinds the ore that falls on the turntable 13 again, and pushes the ore during grinding, so that the ground ore can fall from the through hole 14 and be discharged from the discharge port 20.

[0032] In order to improve the stability of the turntable 13 during rotation, an annular slide groove 18 is opened along the side of the turntable 13 , and a slider 19 is arranged in the slide groove 18 . The slider 19 is fixed on the inner wall of the tank body 1 to guide the rotation of the turntable 13 .

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An ore grinding device, characterized in that: The invention comprises a powder grinding tank, wherein the bottom of the powder grinding tank is provided with an opening, a first driving motor (3) is installed on the top of the powder grinding tank, a driving shaft (4) is installed on the bottom of the first driving motor (3), the driving shaft (4) passes through the top of the powder grinding tank and the two are rotatably connected, the bottom of the driving shaft (4) is rotatably installed on a support frame (12), and the support frame (12) is fixed to the bottom of the powder grinding tank; A conical roller (5) is coaxially mounted on the driving shaft (4), and the narrow opening of the roller (5) is arranged downward; A wide-mouthed upwardly-arranged conical cover (6) is provided in the powder grinding pot, and a plurality of spherical extrusion blocks (7) arranged at intervals are installed on the inner wall of the conical cover (6) and the outer wall of the roller (5), wherein the roller (5) is placed in the conical cover (6), and a plurality of compression springs (8) arranged at intervals are provided between the conical cover (6) and the inner wall of the powder grinding pot, and the ends of the compression springs (8) are connected to mounting seats (9), one of the mounting seats (9) is fixed on the inner wall of the powder grinding pot, and the other mounting seat (9) is fixed on the outer wall of the conical cover (6), and at least one vibration motor (11) is installed on the outer wall of the conical cover (6), and a powder grinding mechanism is also provided at the bottom of the powder grinding pot.

2. The ore grinding device according to claim 1, characterized in that: The grinding jar comprises a jar body (1) with a conical bottom, and a top cover (2) mounted on the top of the jar body (1); a first driving motor (3) is mounted on the top cover (2), and a driving shaft (4) is rotatably connected to the top cover (2); a supporting frame (12) and a mounting seat (9) are fixed to the inner wall of the jar body (1).

3. The ore grinding device according to claim 2, characterized in that: A feed port (21) is installed on one side of the top of the top cover (2), the bottom of the feed port (21) corresponds to the top of the conical cover (6), at least three support legs (22) are installed at intervals at the bottom edge of the tank body (1), and a discharge port (20) corresponding to the opening is installed at the bottom of the tank body (1).

4. The ore grinding device according to claim 2, characterized in that: The grinding mechanism comprises a rotating disk (13), which is located below the conical cover (6) and is coaxially mounted on the driving shaft (4), the edge of the rotating disk (13) is clearance-matched with the inner wall of the tank body (1), and a plurality of through holes (14) arranged at intervals are formed on the rotating disk (13); A pressure roller (15) is arranged above the rotating disk (13). The pressure roller (15) is arranged along the radial direction of the rotating disk (13), and the side surface of the pressure roller (15) is placed on the top of the rotating disk (13). A connecting shaft (17) is coaxially installed at one end of the pressure roller (15) close to the inner wall of the tank body (1). The connecting shaft (17) passes through the outer wall of the tank body (1) and is connected to a second drive motor (16). The connecting shaft (17) is rotatably connected to the tank body (1), and the second drive motor (16) is fixed to the outer wall of the tank body (1) through a bracket.

5. The ore grinding device according to claim 4, characterized in that: An annular slide groove (18) is provided along the side of the rotating disk (13), a slider (19) is arranged in the slide groove (18), and the slider (19) is fixed on the inner wall of the tank body (1).

6. The ore grinding device according to claim 1, characterized in that: The top of the rotating roller (5) is an arc-shaped surface coaxial with the driving shaft (4) and with an edge bent downward.

7. The ore grinding device according to claim 1, characterized in that: An elastic buffer (10) is arranged inside each compression spring (8), and the ends of the elastic buffer (10) are rotatably connected to mounting seats (9) at both ends respectively.

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