Grinding roller structure of Raymond mill for ultrafine powder production

Abstract

The utility model belongs to the technical field of Raymond mills, and particularly relates to a Raymond mill grinding roller structure for superfine powder production, which comprises a grinding roller body, a base abutted against the bottom surface of the grinding roller body, a connecting bolt longitudinally penetrating through the bottom surface of the base, a bolt surface threaded connection with the bottom of the grinding roller body, and a mounting plate fixedly connected with the lower end surface of the grinding roller body. A limiting groove is formed in the surface of the mounting plate, the surface of the limiting groove is connected with a supporting plate in a clamped mode, the surface of the supporting plate abuts against a limiting block, the surface of the limiting block is transversely connected with a fixing rod in a penetrating mode, and the surface of the fixing rod is transversely connected with the supporting plate in a penetrating mode. The four groups of supporting plates are connected in a clamping manner, so that the position of the grinding roller body is conveniently supported and stabilized, and the situation that the service life of the grinding roller body is influenced due to aggravation of abrasion of the grinding roller body caused by vibration displacement of the grinding roller body on the mounted plum blossom rack is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of Raymond mills, and in particular relates to a Raymond mill roller structure for producing ultrafine powder. Background Art

[0002] The structure of the Raymond mill roller is a key part in the production of ultrafine powder. Its design and manufacture are of great significance for ensuring the grinding effect, improving production efficiency and ensuring the stable operation of the equipment. Among them, the "Raymond mill roller device" disclosed in the application number "CN201720627452.1" is also an increasingly mature technology. When the Raymond mill is working, the motor drives the main shaft to rotate, and then drives the roller to make a circular motion around the main shaft. The material enters the grinding area through the feed port and is ground into fine powder under the rotational extrusion and shearing action between the grinding roller and the grinding disc. The grinding fineness and output can be controlled by adjusting the gap between the grinding roller and the grinding disc and the rotation speed of the grinding roller. However, the device still has the following defects: However, when the above-mentioned equipment is in use, the existing Raymond mill roller is displaced on the installed plum blossom frame due to the vibration of the machine, which affects the stability of the grinding roller and causes it to be severely worn and needs to be replaced frequently. In addition, the existing grinding roller generates heat during operation. When the temperature is overheated, the performance of the grinding roller will be reduced or damaged, affecting the production and processing of ultrafine powder. Utility Model Content

[0003] The utility model aims to provide a Raymond mill grinding roller structure for ultrafine powder production, aiming to solve the problem in the prior art that when the above-mentioned equipment is in use, the existing Raymond mill grinding roller is displaced on the installed plum blossom frame due to machine vibration, which affects the stability of the grinding roller and causes it to be severely worn and needs frequent replacement. In addition, the existing grinding roller generates heat during operation. When the temperature is overheated, it will cause the performance of the grinding roller to decline or be damaged, affecting the production and processing of ultrafine powder.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a Raymond mill grinding roller structure for ultrafine powder production, comprising: a grinding roller body, the bottom surface of the grinding roller body abuts against the base, the bottom surface of the base is longitudinally penetrated by a connecting bolt, the surface of the bolt is threadedly connected to the bottom of the grinding roller body, the lower end surface of the grinding roller body is fixedly connected to a mounting plate, a limiting groove is provided on the surface of the mounting plate, the surface of the limiting groove is engaged with a support plate, the surface of the support plate abuts against a limiting block, the surface of the limiting block is transversely penetrated by a connecting fixing rod, and the surface of the fixing rod is transversely penetrated by the connecting support plate.

[0005] In order to use bolts to fix the connection between the grinding roller body and the base, as a Raymond mill grinding roller structure for ultrafine powder production of the utility model, the grinding roller body, the base and the bolts form a threaded connection structure, and four thread grooves are opened on the bottom surface of the grinding roller body with shapes and sizes consistent with the bolts.

[0006] In order to make the protrusion on the surface of the support plate slide in the limit groove so as to fix the connection position of the mounting plate and the limit groove, the limit block and the fixing rod are used to fix the connection position, as a Raymond mill grinding roller structure for ultrafine powder production of the utility model, the mounting plate, the limit groove and the support plate form a snap-fit ​​connection structure, the limit groove is an inverted "L"-shaped slide groove and the shape and size are consistent with the protrusion on the surface of the support plate, and the support plate, the limit block and the fixing rod form a threaded connection structure.

[0007] In order to facilitate the blocking of the heat dissipation holes by clamping the first heat dissipation tube and the second heat dissipation tube together, as a Raymond mill grinding roller structure for ultrafine powder production of the utility model, the surface of the grinding roller body is provided with heat dissipation holes, the surface of the heat dissipation holes is clamped and connected to the first heat dissipation tube, the surface of the first heat dissipation tube is embedded and connected to the second heat dissipation tube, and the inner wall surface of the second heat dissipation tube is provided with a slot.

[0008] In order to use the first heat dissipation tube to quickly seal the heat dissipation holes, as a Raymond mill grinding roller structure for ultrafine powder production in the utility model, the grinding roller body, the heat dissipation holes and the first heat dissipation tube form a snap-fit ​​connection structure, and the heat dissipation holes are circular through grooves and are consistent with the shape and size of the protrusions on the surface of the first heat dissipation tube.

[0009] In order to make the first heat dissipation tube and the second heat dissipation tube engage with each other to fix their positions, as a Raymond mill grinding roller structure for ultrafine powder production of the utility model, the first heat dissipation tube and the second heat dissipation tube form a locking connection structure, the first heat dissipation tube and the second heat dissipation tube are semicircular ring structures and a cylindrical protrusion is provided on the top of one side, which is consistent with the groove on one side.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] Through the cooperation of the base and the mounting plate installed on the grinding roller body, four sets of support plates are connected in a clamping manner to support and stabilize the position of the grinding roller body, thereby preventing the grinding roller body from being aggravated by vibration displacement on the installed plum blossom frame and affecting its service life;

[0012] By utilizing the function of multiple heat dissipation holes opened in an annular shape on the grinding roller body, when the processing environment temperature is too high, the first heat dissipation tube and the second heat dissipation tube that are engaged together are separated, so as to take out the first heat dissipation tube and the second heat dissipation tube engaged in the heat dissipation holes, thereby facilitating the auxiliary heat dissipation of the grinding roller body to avoid its performance degradation or damage due to excessive heat. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0017] Figure 4 It is a schematic diagram of the enlarged cross-sectional structure of the grinding roller body and the heat dissipation holes of the utility model.

[0018] In the figure: 1. grinding roller body; 2. base; 3. bolt; 4. mounting plate; 5. limit groove; 6. support plate; 7. limit block; 8. fixing rod; 9. heat dissipation hole; 10. first heat dissipation pipe; 11. second heat dissipation pipe; 12. slot. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0020] See also Figure 1-4 The utility model provides the following technical solutions: a Raymond mill grinding roller structure for ultrafine powder production, comprising: a grinding roller body 1, the grinding roller body 1 in the technical solution is provided with a mounting mechanism at its bottom, the mechanism is a conventional technology in the field, and it has no relevance to the technical problem in the technical solution, so it is not described in detail in the technical solution. In specific use, the grinding roller body 1 is docked with the plum blossom frame docking part on the Raymond mill through the mounting mechanism at the bottom. When in use, the Raymond mill controls the grinding roller body 1 to rotate the abrasive through the driving mechanism. The bottom surface of the grinding roller body 1 abuts against the base 2, and the bottom surface of the base 2 longitudinally penetrates the connecting bolt 3, and the surface of the bolt 3 is threadedly connected to the bottom of the grinding roller body 1. The lower end surface of the grinding roller body 1 is fixedly connected to the mounting plate 4, and the surface of the mounting plate 4 is provided with a limiting groove 5, and the surface of the limiting groove 5 is engaged with the support plate 6, and the surface of the support plate 6 abuts against the limiting block 7, and the surface of the limiting block 7 horizontally penetrates the connecting fixing rod 8, and the surface of the fixing rod 8 horizontally penetrates the connecting support plate 6.

[0021] Preferably, the grinding roller body 1 , the base 2 and the bolt 3 form a threaded connection structure, and the bottom surface of the grinding roller body 1 is provided with four thread grooves whose shapes and sizes are consistent with the bolt 3 .

[0022] When in use, the base 2 is abutted against the bottom of the grinding roller body 1 and the bolts 3 are passed through the base 2 and fixed on the grinding roller body 1 to fix the connection.

[0023] Preferably: the mounting plate 4, the limiting groove 5 and the supporting plate 6 form a snap-fit ​​connection structure, the limiting groove 5 is an inverted "L"-shaped slide groove and its shape and size are consistent with the surface protrusions of the supporting plate 6, and the supporting plate 6, the limiting block 7 and the fixing rod 8 form a threaded connection structure.

[0024] During specific use, the position of the support plate 6 on the mounting plate 4 can be fixed by engaging the limit block 7 at the connection between the limit groove 5 and the protrusion on the surface of the support plate 6, and then the fixing rod 8 is used to pass through the limit block 7 and the support plate 6 and fixed to the mounting plate 4 on the other side to facilitate the connection between the limit block 7 and the support plate 6.

[0025] Preferably, the surface of the grinding roller body 1 has heat dissipation holes 9, the surface of the heat dissipation holes 9 is snap-fitted to the first heat dissipation tube 10, the surface of the first heat dissipation tube 10 is snap-fitted to the second heat dissipation tube 11, and the inner wall surface of the second heat dissipation tube 11 has a slot 12.

[0026] When in use, the first heat dissipation tube 10 and the second heat dissipation tube 11 are taken out by hooking the slots 12 on the first heat dissipation tube 10 and the second heat dissipation tube 11 which are engaged with each other, and then the first heat dissipation tube 10 and the second heat dissipation tube 11 which are engaged in the heat dissipation holes 9 on the grinding roller body 1 are taken out.

[0027] Preferably, the grinding roller body 1 , the heat dissipation holes 9 and the first heat dissipation tube 10 form a snap-fit ​​connection structure, and the heat dissipation holes 9 are circular through grooves and have the same shape and size as the protrusions on the surface of the first heat dissipation tube 10 .

[0028] When in use, the protrusions on the surface of the first heat dissipation tube 10 are engaged with the heat dissipation holes 9 opened on the surface of the grinding roller body 1 so as to adjust the number of the heat dissipation holes 9 used on the surface of the grinding roller body 1 .

[0029] Preferably, the first heat dissipation tube 10 and the second heat dissipation tube 11 form a snap-fit ​​connection structure, the first heat dissipation tube 10 and the second heat dissipation tube 11 are semicircular ring structures and a cylindrical protrusion is provided on the top of one side, the shape of which matches the groove on one side.

[0030] When in use, the first heat dissipation tube 10 and the second heat dissipation tube 11 are taken out by hooking the slots 12 on the first heat dissipation tube 10 and the second heat dissipation tube 11 that are engaged with each other, and then the first heat dissipation tube 10 and the second heat dissipation tube 11 engaged in the heat dissipation holes 9 on the grinding roller body 1 are taken out.

[0031] Working principle: When it is necessary to use the Raymond mill to produce and process abrasives on an object, the base 2 is used to abut against the bottom of the grinding roller body 1 and the bolts 3 are passed through the base 2 and fixed to the grinding roller body 1 to fix the connection. At the same time, the protrusions on the surface of the support plate 6 are slidably connected in the limiting groove 5 opened on the mounting plate 4 fixed on the surface of the grinding roller body 1 to facilitate the snap-fit ​​connection to the mounting plate 4. The limiting block 7 is then snap-fitted into the connection between the limiting groove 5 and the protrusions on the surface of the support plate 6 to fix the position of the support plate 6 on the mounting plate 4. The fixing rod 8 is then passed through the limiting block 7 and the support plate 6 and fixed to the mounting plate 4 on the other side to facilitate the connection between the limiting block 7 and the support plate 6, so that it can be installed on the plum blossom frame of the Raymond mill. The grinding roller body 1 can be more stable to avoid displacement during vibration and wear of the grinding roller body 1. At the same time, according to the temperature in the processed Raymond mill, it is selected whether to take out the first heat dissipation tube 10 and the second heat dissipation tube 11 engaged on the grinding roller body 1 so as to accelerate the heat dissipation by using the annular heat dissipation holes 9 on the grinding roller body 1. The first heat dissipation tube 10 and the second heat dissipation tube 11 engaged with each other are hooked by hand into the card slots 12, and then the first heat dissipation tube 10 and the second heat dissipation tube 11 engaged in the heat dissipation holes 9 on the grinding roller body 1 are taken out to avoid performance degradation or damage caused by excessive temperature of the grinding roller body 1. This is the characteristic of the Raymond mill roller structure for ultrafine powder production.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A Raymond mill roller structure for ultrafine powder production, comprising: The grinding roller body (1) is characterized in that: the bottom surface of the grinding roller body (1) abuts against the base (2), the bottom surface of the base (2) is longitudinally penetrated by a connecting bolt (3), the surface of the bolt (3) is threadedly connected to the bottom of the grinding roller body (1), the lower end surface of the grinding roller body (1) is fixedly connected to a mounting plate (4), the surface of the mounting plate (4) is provided with a limiting groove (5), the surface of the limiting groove (5) is engaged with a supporting plate (6), the surface of the supporting plate (6) abuts against a limiting block (7), the surface of the limiting block (7) is transversely penetrated by a connecting fixing rod (8), and the surface of the fixing rod (8) is transversely penetrated by the connecting supporting plate (6).

2. The grinding roller structure of a Raymond mill for producing ultrafine powder according to claim 1, characterized in that: The grinding roller body (1), the base (2) and the bolt (3) form a threaded connection structure, and the bottom surface of the grinding roller body (1) is provided with four thread grooves whose shapes and dimensions match those of the bolts (3).

3. The grinding roller structure of a Raymond mill for producing ultrafine powder according to claim 1, characterized in that: The mounting plate (4), the limiting groove (5) and the supporting plate (6) form a snap-fit ​​connection structure; the limiting groove (5) is an inverted "L"-shaped sliding groove and its shape and size are consistent with the protrusion on the surface of the supporting plate (6); the supporting plate (6), the limiting block (7) and the fixing rod (8) form a threaded connection structure.

4. The grinding roller structure of a Raymond mill for producing ultrafine powder according to claim 1, characterized in that: The grinding roller body (1) has a heat dissipation hole (9) on its surface, the heat dissipation hole (9) is snap-fitted to a first heat dissipation tube (10) on its surface, the first heat dissipation tube (10) is snap-fitted to a second heat dissipation tube (11) on its surface, and a slot (12) is formed on the inner wall surface of the second heat dissipation tube (11).

5. The grinding roller structure of a Raymond mill for producing ultrafine powder according to claim 4, characterized in that: The grinding roller body (1), the heat dissipation hole (9) and the first heat dissipation tube (10) form a snap-fit ​​connection structure; the heat dissipation hole (9) is a circular through groove and has the same shape and size as the protrusion on the surface of the first heat dissipation tube (10).

6. The grinding roller structure of a Raymond mill for producing ultrafine powder according to claim 4, characterized in that: The first heat dissipation tube (10) and the second heat dissipation tube (11) form a snap-fit ​​connection structure; the first heat dissipation tube (10) and the second heat dissipation tube (11) are semicircular ring structures and a cylindrical protrusion is provided on the top of one side, the shape of which matches the groove on one side.

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