Ore powder grinding device

Abstract

The utility model relates to the technical field of ore powder production, and provides an ore powder grinding device which comprises a barrel-shaped shell, an inner grinding ring is rotatably installed in the barrel-shaped shell, a rotary disc is fixedly installed on the end face of the back side of the inner grinding ring, and the rotary disc is fixedly connected with the barrel-shaped shell. And a self-rotation driving mechanism for driving the rotating disc and the inner grinding ring to rotate is installed on the end face of the back side of the cylindrical shell, a rolling grinding roller is arranged in the inner ring of the inner grinding ring, and a roller grinding driving mechanism for driving the rolling grinding roller to eccentrically rotate is installed on the outer portion of the end face of the front side of the cylindrical shell. According to the ore powder grinding device, through cooperation of the self-rotation driving mechanism and the roller grinding driving mechanism, the purposes of uniform grinding and efficient production are achieved, meanwhile, the ore powder grinding device has the reliable and stable operation characteristic and the fine control capacity, and remarkable improvement and advantages are brought to the ore production process.

Description

Technical Field

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

[0002] Ore powder is an important raw material for steel production, and the grinding process in its production process is crucial to product quality and production efficiency. In the traditional ore powder production process, there are some technical and equipment deficiencies that limit the improvement of production efficiency and product quality.

[0003] The shortcomings of existing ore powder grinding devices:

[0004] Uneven grinding: In traditional equipment, slag tends to settle in the same position during the grinding process, resulting in uneven grinding, affecting the particle size uniformity and quality stability of the product.

[0005] Low production efficiency: Due to uneven grinding, the machine needs to be frequently shut down to adjust the internal slag, resulting in low production efficiency and increasing energy consumption and production costs.

[0006] Therefore, this invention proposes a kind of ore powder grinding device to solve the above-mentioned problem. Utility Model Content

[0007] In order to overcome the defects of the prior art, the utility model aims to provide an ore powder grinding device.

[0008] To achieve the above-mentioned purpose, the technical solution of the utility model is implemented as follows: an ore powder grinding device comprises a cylindrical outer shell, an inner grinding ring is rotatably installed inside the cylindrical outer shell, a turntable is fixedly installed on the back end face of the inner grinding ring, a self-rotating driving mechanism for driving the turntable and the inner grinding ring to rotate is installed on the back end face of the cylindrical outer shell, a rolling grinding roller is arranged inside the inner ring of the inner grinding ring, and a roller grinding driving mechanism for driving the rolling grinding roller to eccentrically rotate is installed on the outside of the front end face of the cylindrical outer shell.

[0009] Preferably, the self-rotation driving mechanism specifically includes the following structure:

[0010] A first reduction motor mounted on the back end surface of the cylindrical housing;

[0011] A driving gear connected to the output end of the first reduction motor;

[0012] a transmission gear meshed with one side of the driving gear;

[0013] A driving shaft connected to the center of the transmission gear has an inner end that penetrates into the cylindrical shell and connected to the center of the rotating disk.

[0014] Preferably, the self-rotating driving mechanism drives the inner grinding ring to rotate clockwise.

[0015] Preferably, the roller mill driving mechanism specifically includes the following structure:

[0016] An eccentric rotating shaft installed on the front end surface of the grinding roller near the edge;

[0017] A transmission sprocket connected to one end of the outer side of the eccentric shaft;

[0018] A second reduction motor disposed outside the cylindrical housing;

[0019] A driving sprocket connected to the output end of the second reduction motor;

[0020] A transmission chain is sleeved between the transmission sprocket and the drive sprocket.

[0021] Preferably, the roller grinding drive mechanism drives the grinding roller to rotate eccentrically counterclockwise inside the inner grinding ring.

[0022] Preferably, the transmission ratio between the transmission gear and the driving gear is set to 1:1.

[0023] Preferably, the transmission ratio between the transmission sprocket and the drive sprocket is set to 1:1.

[0024] Preferably, a bottom bracket is provided at the bottom of the cylindrical shell.

[0025] Preferably, a feed valve and a discharge valve are respectively installed on the upper and lower ends of the front end surface of the cylindrical shell.

[0026] Preferably, a plurality of inner grinding convex teeth are evenly distributed on the inner ring surface of the inner grinding ring, and a plurality of rolling convex teeth are evenly distributed on the outer roller surface of the rolling grinding roller.

[0027] The beneficial effects of the utility model are embodied in:

[0028] Uniform grinding, more efficient: the inner grinding ring rotates clockwise, and the roller grinding drive mechanism drives the grinding roller to rotate eccentrically counterclockwise, so that the slag will not be deposited in the same position, ensuring the uniformity of grinding, effectively improving product quality, and also increasing the frequency of rolling grinding. Combined with the uniform grinding process, it improves production efficiency, reduces energy consumption, and reduces production costs.

[0029] The ore powder grinding device achieves the goals of uniform grinding and efficient production through the cooperation of the self-rotating drive mechanism and the roller grinding drive mechanism. At the same time, it has reliable and stable operating characteristics and fine control capabilities, bringing significant improvements and advantages to the ore production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In the attached picture:

[0031] Figure 1 It is a schematic diagram of the structure of the utility model;

[0032] Figure 2 This is a schematic diagram of the explosion separation structure of the internal structure of the utility model;

[0033] Figure 3 This is a schematic diagram of the structure of the utility model without a cylindrical shell;

[0034] Figure 4 It is a structural schematic diagram of the self-rotation driving mechanism of the utility model;

[0035] Figure 5 It is a structural schematic diagram of the roller mill driving mechanism of the utility model;

[0036] Description of reference numerals:

[0037] 1. Cylindrical shell; 2. Bottom bracket; 3. Self-rotating drive mechanism; 4. Inner grinding ring; 5. Rotating disk; 6. Grinding roller; 7. Roller grinding drive mechanism;

[0038] 11. Feed valve; 12. Discharge valve;

[0039] 31. driving shaft; 32. transmission gear; 33. driving gear; 34. first reduction motor;

[0040] 41. Internal grinding teeth;

[0041] 61. Rolling convex teeth;

[0042] 71. Transmission sprocket; 72. Driving sprocket; 73. Transmission chain; 74. Second reduction motor; 75. Eccentric shaft. DETAILED DESCRIPTION

[0043] The utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0044] It should be noted that if the utility model embodiments involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0045] In addition, "multiple" means more than two. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0046] Please refer to the instruction manual Figure 1-Figure 5 The utility model provides an ore powder grinding device:

[0047] It comprises a cylindrical outer shell 1, wherein an inner grinding ring 4 is rotatably mounted inside the cylindrical outer shell 1, a turntable 5 is fixedly mounted on the back end face of the inner grinding ring 4, a self-rotating driving mechanism 3 is mounted on the back end face of the cylindrical outer shell 1 for driving the turntable 5 and the inner grinding ring 4 to rotate, a rolling grinding roller 6 is arranged inside the inner ring of the inner grinding ring 4, and a roller grinding driving mechanism 7 is mounted on the outside of the front end face of the cylindrical outer shell 1 for driving the rolling grinding roller 6 to eccentrically rotate.

[0048] The self-rotation driving mechanism 3 specifically includes the following structure:

[0049] A first reduction motor 34 mounted on the back end surface of the cylindrical housing 1;

[0050] A driving gear 33 connected to the output end of the first reduction motor 34;

[0051] A transmission gear 32 meshed with one side of the driving gear 33;

[0052] The driving shaft 31 is connected to the center of the transmission gear 32 , and one inner end of the driving shaft 31 penetrates into the cylindrical housing 1 and connects to the center of the rotating disk 5 .

[0053] The self-rotating driving mechanism 3 drives the inner grinding ring 4 to rotate clockwise;

[0054] Among them, the self-rotating driving mechanism 3 is used to drive the inner grinding ring 4 to rotate clockwise in the cylindrical outer shell 1, which can effectively prevent the slag to be ground inside the injection device from being deposited in the same position, affecting the uniformity of grinding, and also avoid the situation where frequent grinding at one position causes serious local damage.

[0055] The roller mill driving mechanism 7 specifically includes the following structures:

[0056] An eccentric shaft 75 installed on the front end surface of the grinding roller 6 near the edge;

[0057] A transmission sprocket 71 connected to one end of the outer side of the eccentric shaft 75;

[0058] A second reduction motor 74 disposed outside the cylindrical housing 1;

[0059] A driving sprocket 72 connected to the output end of the second reduction motor 74;

[0060] A transmission chain 73 is sleeved between the transmission sprocket 71 and the drive sprocket 72 .

[0061] The roller grinding drive mechanism 7 drives the grinding roller 6 to rotate eccentrically counterclockwise inside the inner grinding ring 4;

[0062] The roller grinding drive mechanism 7 drives the roller grinding roller 6 to rotate eccentrically counterclockwise, and cooperates with the inner grinding ring 4 rotating clockwise, which can increase the frequency of roller grinding and improve the grinding efficiency.

[0063] The transmission ratio between the transmission gear 32 and the driving gear 33 is set to 1:1.

[0064] The transmission ratio between the transmission sprocket 71 and the driving sprocket 72 is set to 1:1.

[0065] A bottom bracket 2 is provided at the bottom of the cylindrical shell 1 .

[0066] The upper and lower ends of the front end surface of the cylindrical shell 1 are respectively installed with a feed valve 11 and a discharge valve 12.

[0067] A plurality of inner grinding convex teeth 41 are evenly distributed on the inner ring surface of the inner grinding ring 4 , and a plurality of rolling convex teeth 61 are evenly distributed on the outer roller surface of the rolling grinding roller 6 .

[0068] How it works

[0069] The mineral powder and slag mixed liquid to be ground is introduced into the feed valve 11 above, and the first reduction motor 34 inside the self-rotating drive mechanism 3 is started, and then the drive shaft 31 is driven to rotate through the drive gear 33 and the transmission gear 32, so as to drive the turntable 5 and the inner grinding ring 4 to rotate clockwise. At the same time, the second reduction motor 74 inside the roller mill drive mechanism 7 is started, and the eccentric shaft 75 is driven to rotate through the drive sprocket 72, the transmission sprocket 71 and the transmission chain 73, so as to drive the rolling grinding roller 6 to perform counterclockwise roller grinding operation inside the inner grinding ring 4, and then quickly grind the large particles of slag and mineral powder inside into smaller particles. Finally, the discharge valve 12 below is opened to discharge the mixed liquid and carry out subsequent operations.

[0070] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0071] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0072] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An ore powder grinding device, comprising a cylindrical housing (1), characterized in that: An inner grinding ring (4) is rotatably mounted inside the cylindrical outer shell (1), a rotary disk (5) is fixedly mounted on the back end surface of the inner grinding ring (4), a self-rotating driving mechanism (3) is mounted on the back end surface of the cylindrical outer shell (1) for driving the rotary disk (5) and the inner grinding ring (4) to rotate, a rolling grinding roller (6) is arranged inside the inner ring of the inner grinding ring (4), and a roller grinding driving mechanism (7) is mounted on the outside of the front end surface of the cylindrical outer shell (1) for driving the rolling grinding roller (6) to rotate eccentrically.

2. The ore powder grinding device according to claim 1, characterized in that: The self-rotation driving mechanism (3) specifically comprises the following structure: A first reduction motor (34) mounted on the back end surface of the cylindrical housing (1); A driving gear (33) connected to the output end of the first reduction motor (34); A transmission gear (32) meshed with one side of the driving gear (33); A drive shaft (31) is connected to the center of the transmission gear (32), and one inner end of the drive shaft (31) penetrates into the interior of the cylindrical housing (1) and connects to the center of the rotating disk (5).

3. The ore powder grinding device according to claim 1, characterized in that: The self-rotating driving mechanism (3) drives the inner grinding ring (4) to rotate clockwise.

4. The ore powder grinding device according to claim 1, characterized in that: The roller mill driving mechanism (7) specifically comprises the following structure: An eccentric rotating shaft (75) installed on the front end surface of the grinding roller (6) near the edge; A transmission sprocket (71) connected to an outer end of the eccentric rotating shaft (75); a second reduction motor (74) disposed outside the cylindrical housing (1); A driving sprocket (72) connected to the output end of the second reduction motor (74); A transmission chain (73) is sleeved between the transmission sprocket (71) and the drive sprocket (72).

5. The ore powder grinding device according to claim 1, characterized in that: The roller grinding drive mechanism (7) drives the grinding roller (6) to rotate eccentrically counterclockwise inside the inner grinding ring (4).

6. The ore powder grinding device according to claim 2, characterized in that: The transmission ratio between the transmission gear (32) and the driving gear (33) is set to 1:

1.

7. The ore powder grinding device according to claim 4, characterized in that: The transmission ratio between the transmission sprocket (71) and the drive sprocket (72) is set to 1:

1.

8. The ore powder grinding device according to claim 4, characterized in that: A bottom bracket (2) is provided at the bottom of the cylindrical shell (1).

9. The ore powder grinding device according to claim 1, characterized in that: A feed valve (11) and a discharge valve (12) are respectively mounted on the upper and lower ends of the front end surface of the cylindrical housing (1).

10. The ore powder grinding device according to claim 1, characterized in that: A plurality of inner grinding convex teeth (41) are evenly distributed on the inner ring surface of the inner grinding ring (4), and a plurality of rolling convex teeth (61) are evenly distributed on the outer roller surface of the rolling grinding roller (6).

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