CN212791222U - Grinding roller of Raymond mill - Google Patents
Grinding roller of Raymond mill Download PDFInfo
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- CN212791222U CN212791222U CN202020683415.4U CN202020683415U CN212791222U CN 212791222 U CN212791222 U CN 212791222U CN 202020683415 U CN202020683415 U CN 202020683415U CN 212791222 U CN212791222 U CN 212791222U
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Abstract
The utility model discloses a lei meng milling machine grinding roller, including the grinding roller body, the grinding roller body be equipped with wear-resisting alloy layer on the surface, wear-resisting alloy layer is hugged closely one side of grinding roller body is still around being equipped with wear-resisting silk. The surface of the grinding roller body is provided with the wear-resistant alloy layer, the wear-resistant alloy layer is printed on the surface of the grinding roller body and the surface of the wear-resistant wires through 3D, the hardness and the wear resistance of the outer surface layer of the grinding roller can be effectively improved, the service life of the grinding roller is further prolonged, meanwhile, when the wear-resistant alloy layer is worn, the grinding roller can be repaired and put into use again through the 3D printing of the wear-resistant alloy layer, and the maintenance cost in the maintenance process is further reduced; secondly, through dividing into grinding roller, first end cover and second end cover with the grinding roller body, make the inside of grinding roller have hollow portion, for integrated into one piece's among the prior art grinding roller, the effectual self weight that reduces the grinding roller reduces the intensity of labour of grinding roller when installation, dismantlement.
Description
Technical Field
The utility model relates to a wear-resisting part technical field of crocus equipment machine, more specifically the saying so relates to a lei meng milling machine grinding roller.
Background
At present, a Raymond mill is a typical powder making device, a grinding roller assembly of the Raymond mill is suspended on a grinding roller hanger through a cross arm shaft, a grinding roller is tightly rolled on a grinding ring under the action of centrifugal force, and the grinding roller rotates around a self shaft while rolling in an inner circle of the grinding ring. The grinding roller continuously extrudes and impacts material particles between the grinding roller and the grinding ring in the rolling process, so that the material is refined. The material of the outer surface layer of the grinding roller requires high hardness and wear resistance so as to prolong the grinding life. The grinding roller inner layer metal is connected on the cross arm shaft through a bearing, and high toughness, strength and impact resistance are required. When the toughness and the strength of the grinding roller are insufficient, the phenomenon of fracture is easy to occur, the whole equipment is damaged, and huge loss is caused.
However, the existing grinding roller is made of high manganese or high chromium, so that the service life is short, the use effect is low, the manufacturing cost is high and the repair is difficult due to the fact that the self weight is large and is generally about 100 kilograms, and the loading and unloading are difficult and the labor intensity is high during the loading and unloading.
Therefore, how to provide a grinding roller of a Raymond mill, which has high abrasion resistance, reduces the maintenance cost in the maintenance process, reduces the cost, improves the efficiency and prolongs the service life of the product, is a problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a strength of wear-resisting is big, reduces the cost of maintenance in the maintenance process, reaches the cost reduction and increases, and then improves product life's raymond mill grinding roller.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the grinding roller of the Raymond grinding machine comprises a grinding roller body, wherein a wear-resistant alloy layer is arranged on the surface of the grinding roller body, and wear-resistant wires are wound on one side, close to the grinding roller body, of the wear-resistant alloy layer.
Furthermore, the wear-resistant wire is spirally wound on the surface of the grinding roller body, and the thread pitch is 2-7 mm.
Further, the grinding roller body comprises a grinding roller barrel, a first end cover and a second end cover, and the first end cover and the second end cover are fixedly connected with two ends of the grinding roller barrel respectively.
Furthermore, a first conical shaft hole matched with the conical shaft is formed in the center of the first end cover, and a second conical shaft hole matched with the conical shaft is formed in the center of the second end cover.
Furthermore, a first boss for installing the first end cover and a second boss for installing the second end cover are respectively arranged at two ends of the grinding roller.
Furthermore, a plurality of through holes arranged in an array manner are arranged on the side walls of the grinding roller barrel corresponding to the first bosses and the second bosses.
Furthermore, a plurality of blind holes are formed in the side walls of the first end cover and the second end cover, and the blind holes correspond to the through holes in a one-to-one mode.
Further, the thickness of the first end cover is equal to the height of the first boss side wall, and the thickness of the second end cover is equal to the height of the second boss side wall.
The utility model provides a manufacturing method of lei meng milling machine grinding roller specifically includes following step:
manufacturing a grinding roller, namely respectively processing a first boss and a second boss at two ends of a cylindrical steel pipe through machining;
manufacturing a first end cover and a second end cover, wherein the outer diameters of the first end cover and the second end cover are matched with the calibers of a first boss and a second boss of the grinding roller, and a first conical shaft hole and a second conical shaft hole are processed in the centers of the first end cover and the second end cover through a drilling machine, so that after the first end cover and the second end cover are arranged on the first boss and the second boss, the inner hole surface of the first conical shaft hole and the inner hole surface of the second conical shaft hole are in the same conical surface;
step three: respectively welding a first end cover and a second end cover to a first boss and a second boss at two ends of a grinding roller barrel to form a grinding roller body;
winding wear-resistant wires on the outer surface of the grinding roller body, wherein the wear-resistant wires are spiral;
and fifthly, printing the wear-resistant alloy on the surfaces of the grinding roller body and the wear-resistant wires through 3D to form a wear-resistant alloy layer.
According to the technical scheme, compare with prior art, the utility model discloses a lei meng milling machine grinding roller has following beneficial effect:
the wear-resistant alloy layer is arranged on the surface of the grinding roller body, and the wear-resistant alloy layer is printed on the surface of the grinding roller body and the surface of the wear-resistant wires through 3D, so that the hardness and the wear resistance of the outer surface layer of the grinding roller can be effectively improved, the service life of the grinding roller is further prolonged, meanwhile, when the wear-resistant alloy layer is worn, the grinding roller can be repaired and put into use again through the 3D printing of the wear-resistant alloy layer, and the maintenance cost in the maintenance process is further reduced; the wear-resistant wires with a certain pitch are wound on one side of the wear-resistant alloy layer close to the grinding roller body, so that the wear resistance of the wear-resistant alloy layer of the grinding roller is further improved; secondly, through dividing into grinding roller, first end cover and second end cover with the grinding roller body, make the inside of grinding roller have hollow portion, for integrated into one piece's among the prior art grinding roller, the effectual self weight that reduces the grinding roller reduces the intensity of labour of grinding roller when installation, dismantlement.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of an exploded structure of a grinding roller of a Raymond mill roller according to the present invention;
FIG. 2 is a schematic view of an exploded structure of a grinding roller body according to the present invention;
FIG. 3 is a schematic cross-sectional view of a grinding roller according to the present invention;
FIG. 4 is a schematic cross-sectional view of a grinding roll barrel of the grinding roll body according to the present invention;
fig. 5 is a schematic cross-sectional view of a first end cap according to the present invention;
fig. 6 is a schematic cross-sectional structure diagram of a second end cap according to the present invention.
Wherein: 1 is a grinding roller body; 11 is a grinding roller; 111 is a first boss; 112 is a second boss; 113 is a through hole; 12 is a first end cover; 13 is a second end cap; 2 is a wear-resistant alloy layer; 3 is wear-resistant wire; 4 is a first conical shaft hole; 5 is a second conical shaft hole; and 6, blind holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses lei meng milling machine grinding roller, grinding roller include grinding roller body 1, and grinding roller body 1 is equipped with wear-resisting alloy layer 2 on the surface, and one side that grinding roller body 1 was hugged closely to wear-resisting alloy layer 2 still around being equipped with wear-resisting silk 3. In the embodiment, the grinding roller body 1 is made of 45# steel, the wear-resistant wires 3 are firstly wound on the grinding roller body 1, the wear-resistant wires 3 are high-hardness wear-resistant wires with the HRC of 65-68, in the embodiment, HD65 wear-resistant welding wires are specifically used, the wear-resistant wires 3 are spirally wound on the surface of the grinding roller body 1, the thread pitch is 2-7 mm, preferably 5mm, then the wear-resistant alloy layer 2 is printed on the surfaces of the grinding roller body 1 and the wear-resistant wires 3 through 3D, the HRC of the wear-resistant alloy layer 2 is 65-68, and in the embodiment, the thickness of the wear-resistant alloy layer 2 is specifically 6 mm.
Specifically, the grinding roller body comprises a grinding roller barrel 11, a first end cover 12 and a second end cover 13, wherein the first end cover 12 and the second end cover 13 are fixedly connected with two ends of the grinding roller barrel 11 respectively. In this embodiment, the first end cap 12 and the second end cap 13 are fixedly connected to both ends of the grinding roller 11 by welding.
Specifically, the center of the first end cap 12 is provided with a first conical shaft hole 4 matched with the conical shaft, and the center of the second end cap 13 is provided with a second conical shaft hole 5 matched with the conical shaft.
Specifically, the grinding roller 11 is provided at both ends thereof with a first boss 111 for mounting the first end cap 12 and a second boss 112 for mounting the second end cap 13, respectively.
After the first end cover 12 and the second end cover 13 are installed on the first boss 111 and the second boss 112 at the two ends of the grinding roller 11, the inner hole surface of the first conical shaft hole 4 and the inner hole surface of the second conical shaft hole 5 are in the same conical surface for installing the conical shaft.
Specifically, the side walls of the grinding roller barrel 11 corresponding to the first bosses 111 and the second bosses 112 are provided with a plurality of through holes 113 arranged in an array.
Specifically, all be equipped with a plurality of blind holes 6 on the lateral wall of first end cap 12 and second end cap 13, a plurality of blind holes 6 and a plurality of through-hole 113 one-to-one, can utilize the jackscrew to pass through-hole 113 and bury the jackscrew head in blind hole 6, further with first end cap 12 and second end cap 13 and grinding roller 11 fixed, also can insert 3 heads of wear-resisting silk in through-hole 113 and a blind hole 6 one-hole that form, as the starting point of wear-resisting silk 3, be convenient for wear-resisting silk 3 twines on the surface of grinding roller body 1.
Specifically, the thickness of the first end cap 12 is equal to the height of the sidewall of the first boss 111, and the thickness of the second end cap 13 is equal to the height of the sidewall of the second boss 112.
The following description is provided of a method for manufacturing a grinding roller of a Raymond mill disclosed in the above embodiments, and specifically includes the following steps:
manufacturing a grinding roller, namely respectively processing a first boss and a second boss at two ends of a cylindrical steel pipe through machining;
manufacturing a first end cover and a second end cover, wherein the outer diameters of the first end cover and the second end cover are matched with the calibers of a first boss and a second boss of the grinding roller, a first conical shaft hole and a second conical shaft hole are processed in the centers of the first end cover and the second end cover through a drilling machine, so that after the first end cover and the second end cover are installed on the first boss and the second boss, the inner hole surface of the first conical shaft hole and the inner hole surface of the second conical shaft hole are positioned on the same conical surface;
step three: respectively welding a first end cover and a second end cover to a first boss and a second boss at two ends of a grinding roller barrel to form a grinding roller body;
winding wear-resistant wires on the outer surface of the grinding roller body, wherein the wear-resistant wires are spiral, and the screw pitch is 2-7 mm, preferably 5 mm;
and fifthly, printing the wear-resistant alloy on the surfaces of the grinding roller body and the wear-resistant wires through 3D to form a wear-resistant alloy layer.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The grinding roller of the Raymond grinding machine is characterized by comprising a grinding roller body (1), wherein a wear-resistant alloy layer (2) is arranged on the surface of the grinding roller body (1), and wear-resistant wires (3) are wound on one side, close to the grinding roller body (1), of the wear-resistant alloy layer (2).
2. The grinding roller of Raymond mill according to claim 1, characterized in that the wear resistant wires (3) are spirally wound on the surface of the grinding roller body (1) and the thread pitch is 2mm-7 mm.
3. A grinding roller of a raymond mill according to claim 1, characterized in that the grinding roller body (1) comprises a grinding roller cylinder (11), a first end cover (12) and a second end cover (13), the first end cover (12) and the second end cover (13) being fixedly connected with two ends of the grinding roller cylinder (11), respectively.
4. A grinding roller for a raymond mill according to claim 3, characterized in that the first end cap (12) is provided with a first conical shaft hole (4) in the centre for cooperation with a conical shaft, and the second end cap (13) is provided with a second conical shaft hole (5) in the centre for cooperation with a conical shaft.
5. A grinding roller of a raymond mill according to claim 3, characterized in that both ends of said roller barrel (11) are provided with a first boss (111) for mounting said first end cap (12) and a second boss (112) for mounting said second end cap (13), respectively.
6. A Raymond mill roller according to claim 5, characterised in that a plurality of through holes (113) arranged in an array are provided in the side walls of the mill roller barrel (11) corresponding to the first bosses (111) and the second bosses (112).
7. A Raymond mill grinding roller according to claim 6, characterised in that the side walls of the first end cover (12) and the second end cover (13) are provided with a plurality of blind holes (6), the blind holes (6) corresponding to the through holes (113) one to one.
8. A Raymond mill roller according to claim 7, characterised in that said first end cap (12) has a thickness equal to the height of the side wall of said first boss (111) and said second end cap (13) has a thickness equal to the height of the side wall of said second boss (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020683415.4U CN212791222U (en) | 2020-04-26 | 2020-04-26 | Grinding roller of Raymond mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020683415.4U CN212791222U (en) | 2020-04-26 | 2020-04-26 | Grinding roller of Raymond mill |
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| Publication Number | Publication Date |
|---|---|
| CN212791222U true CN212791222U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020683415.4U Active CN212791222U (en) | 2020-04-26 | 2020-04-26 | Grinding roller of Raymond mill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111514988A (en) * | 2020-04-26 | 2020-08-11 | 四川宇广能科技有限公司 | Grinding roller of Raymond mill and manufacturing method thereof |
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2020
- 2020-04-26 CN CN202020683415.4U patent/CN212791222U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111514988A (en) * | 2020-04-26 | 2020-08-11 | 四川宇广能科技有限公司 | Grinding roller of Raymond mill and manufacturing method thereof |
| CN111514988B (en) * | 2020-04-26 | 2023-08-15 | 四川宇广能科技有限公司 | Raymond mill grinding roller and manufacturing method thereof |
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