CN213726847U - Connecting structure of grinding roller and grinding roller frame - Google Patents
Connecting structure of grinding roller and grinding roller frame Download PDFInfo
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- CN213726847U CN213726847U CN202022619591.4U CN202022619591U CN213726847U CN 213726847 U CN213726847 U CN 213726847U CN 202022619591 U CN202022619591 U CN 202022619591U CN 213726847 U CN213726847 U CN 213726847U
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- grinding roller
- roller shaft
- grinding
- shaft sleeve
- sleeve
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Abstract
The utility model discloses a connecting structure of a grinding roller and a grinding roller frame, which comprises a grinding roller frame, wherein the grinding roller frame comprises a roller frame sleeve connected with a main shaft of a rolling mill, and at least three disc bodies arranged at intervals up and down are connected on the roller frame sleeve; the structure is characterized in that: a grinding roller shaft sleeve is screwed on the disc body and is coaxially arranged; in the grinding roller axle sleeve: the lower end surface of the grinding roller shaft sleeve at the uppermost position is exposed out of the lower surface of the disc body connected with the grinding roller shaft sleeve; the upper end surface of the grinding roller shaft sleeve at the lowest position is exposed out of the upper surface of the disc body connected with the grinding roller shaft sleeve; the upper end surfaces of the other grinding roller shaft sleeves are exposed out of the upper surface of the disc body connected with the grinding roller shaft sleeves, and the lower end surfaces of the other grinding roller shaft sleeves are exposed out of the lower surface of the disc body connected with the grinding roller shaft sleeves; the grinding roller shaft sleeves are coaxially arranged, grinding roller shafts penetrate through the grinding roller shaft sleeves, and grinding rollers penetrating through the grinding roller shafts are arranged between adjacent disc bodies. The utility model discloses a grinding roller frame is difficult for wearing and tearing and roll-in mill use cost is low.
Description
Technical Field
The utility model relates to a roll-in mill, concretely relates to connection structure of grinding roller and grinding roller frame.
Background
The grinding roller frame of the existing rolling mill comprises a roller frame sleeve connected with a main shaft of the rolling mill, at least three disk bodies arranged at intervals up and down are connected on the roller frame sleeve, a grinding roller is arranged between every two adjacent disk bodies, and the grinding roller is sleeved on a grinding roller shaft connected to the disk bodies. The grinding roller directly causes wearing and tearing to the disk body in the course of the work and causes the damage to the grinding roller frame promptly, in case the wearing and tearing seriously need whole change grinding roller frame, and the cost of manufacture of grinding roller frame is high and the preparation cycle is long, causes the use cost of roll-in mill to improve greatly.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to above-mentioned defect provide a connection structure of grinding roller and grinding roller frame to solve the grinding roller frame of current roll-in mill and easily be by wearing and tearing and the roll-in mill defect that use cost is high that leads to.
In order to solve the technical problem, the utility model provides a connecting structure of a grinding roller and a grinding roller frame, which comprises a grinding roller frame, wherein the grinding roller frame comprises a roller frame sleeve connected with a main shaft of a rolling mill, and at least three disc bodies arranged at intervals up and down are connected on the roller frame sleeve; the structure is characterized in that: a grinding roller shaft sleeve is screwed on the disc body and is coaxially arranged; in the grinding roller axle sleeve: the lower end surface of the grinding roller shaft sleeve at the uppermost position is exposed out of the lower surface of the disc body connected with the grinding roller shaft sleeve; the upper end surface of the grinding roller shaft sleeve at the lowest position is exposed out of the upper surface of the disc body connected with the grinding roller shaft sleeve; the upper end surfaces of the other grinding roller shaft sleeves are exposed out of the upper surface of the disc body connected with the grinding roller shaft sleeves, and the lower end surfaces of the other grinding roller shaft sleeves are exposed out of the lower surface of the disc body connected with the grinding roller shaft sleeves; the grinding roller shaft sleeves are coaxially arranged, grinding roller shafts penetrate through the grinding roller shaft sleeves, and grinding rollers penetrating through the grinding roller shafts are arranged between adjacent disc bodies.
In the grinding roller axle sleeve: the inner hole of the grinding roller shaft sleeve at the lowest position is a stepped hole with a large upper part and a small lower part, and the aperture of the small hole of the stepped hole is smaller than the outer diameter of the grinding roller shaft.
The grinding roller shaft sleeve, the grinding roller shaft penetrating in the grinding roller shaft sleeve and the grinding roller connected to the grinding roller shaft which are coaxially arranged form a group of grinding roller assembly; the grinding roller assemblies are arranged on the grinding roller frame in a surrounding mode.
And the upper top of the grinding roller frame is connected with an assembly pressure plate which covers and presses the top end of the grinding roller assembly.
After the grinding roller and the grinding roller frame adopt the connecting structure, only the grinding roller shaft sleeve is abraded in the rotation process of the grinding roller, and the grinding roller frame is not abraded; the grinding roller shaft sleeve is simple in structure, easy to machine and manufacture, small in size, low in cost even if made of wear-resistant materials, and capable of greatly prolonging the service life of the grinding roller shaft sleeve, so that the manufacturing cost of the grinding roller shaft sleeve is very low compared with that of the grinding roller frame. Adopt the utility model provides a behind the connection structure, grinding roller axle sleeve wearing and tearing can change after the certain degree, and need not change the grinding roller frame like prior art, therefore use cost greatly reduced. In addition, the grinding roller shaft sleeve is connected to the grinding roller frame through threads, so that the grinding roller shaft sleeve is very easy to replace.
Drawings
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings:
fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a sectional view taken along line a-a of fig. 1.
Detailed Description
Referring to fig. 1 and 2, the connecting structure of the grinding roller and the grinding roller frame comprises a grinding roller frame 1, wherein the grinding roller frame 1 comprises a roller frame sleeve 11 connected with a main shaft 6 for roller grinding, and at least three disc bodies 12 arranged at intervals up and down are connected on the roller frame sleeve 11; a grinding roller shaft sleeve 3 which is coaxially arranged is screwed on the disc body 12; in the grinding roller shaft sleeve 3: the lower end surface of the grinding roller shaft sleeve 3 at the uppermost position is exposed out of the lower surface of the disc body 12 connected with the grinding roller shaft sleeve 3; the upper end surface of the grinding roller shaft sleeve 3 at the lowest position is exposed out of the upper surface of a disc body 12 connected with the grinding roller shaft sleeve 3; the upper end surfaces of the other grinding roller shaft sleeves 3 are exposed out of the upper surface of the disc body 12 connected with the grinding roller shaft sleeves 3, and the lower end surfaces are exposed out of the lower surface of the disc body 12 connected with the grinding roller shaft sleeves 3; a grinding roller shaft 4 is arranged in the coaxially arranged grinding roller shaft sleeve 3, and a grinding roller 2 penetrating on the grinding roller shaft 4 is arranged between the adjacent disc bodies 12.
Specifically, fig. 1 shows three trays 12, which are respectively referred to as a first tray, a second tray, and a third tray from top to bottom; the grinding roller shaft sleeve 3 at the uppermost position, namely the lower end surface of the grinding roller shaft sleeve 3 connected to the first disc body, is exposed out of the lower surface of the first disc body; the upper end surface of the grinding roller shaft sleeve 3 which is positioned at the lowest position, namely the grinding roller shaft sleeve 3 connected to the third disc body is exposed out of the upper surface of the third disc body; the upper end surface of the other grinding roller shaft sleeves 3 connected to the second disc body is exposed out of the upper surface of the second disc body, and the lower end surface of the grinding roller shaft sleeve 3 is exposed out of the lower surface of the second disc body. The number of the tray body 12 can be more than three according to the design requirement. On the first disk body be equipped with under the grinding roller axle sleeve 3 connect the grinding roller axle sleeve 3 on the second disk body and connect the grinding roller axle sleeve 3 on the third disk body, that is to say, no matter how many grinding roller axle sleeves 3 of the ring cloth of first disk body, the quantity of grinding roller axle sleeve 3 on the second disk body and the third disk body is the same with the quantity of grinding roller axle sleeve 3 on the first disk body respectively, and grinding roller axle sleeve 3's position respectively on the grinding roller axle sleeve 3 on the second disk body and the third disk body corresponds from top to bottom just with the position of grinding roller axle sleeve 3 on the first disk body one by one, three grinding roller axle sleeve 3 coaxial settings that just correspond about the position promptly. A grinding roller shaft 4 is arranged in the coaxially arranged grinding roller shaft sleeve 3, and a grinding roller 2 penetrating on the grinding roller shaft 4 is arranged between the adjacent disc bodies 12. The grinding roller shaft sleeve 3, the grinding roller 2 and the grinding roller shaft 4 which are connected with the same grinding roller shaft 4 form a group of grinding roller assemblies, the grinding roller assemblies can be a plurality of groups which are annularly arranged on the grinding roller frame 1, and the grinding roller assemblies of the embodiment are six groups. The top of the grinding roller frame 1 is connected with an assembly pressure plate 5 which covers and presses the top of the grinding roller assembly, and the top of the grinding roller assembly is the top of the grinding roller shaft 4; the assembly platen 5 can prevent the grinding roller shaft 4 from moving.
Referring to fig. 1, the inner hole of the grinding roller shaft sleeve 3 at the lowest position, namely the grinding roller shaft sleeve 3 on the third disc body, is a step hole with a large upper part and a small lower part, the aperture of the small hole of the step hole is smaller than the outer diameter of the grinding roller shaft 4, the large hole of the step hole is used for penetrating the grinding roller shaft 4, the step of the step hole can support the grinding roller shaft 4, the small hole of the step hole can provide convenience for detaching the grinding roller shaft 4, and the length of the grinding roller shaft 4 can be effectively shortened due to the arrangement of the step hole.
Referring to fig. 1 and 2, the grinding roller 2 is matched with a grinding ring 7 to realize the crushing of materials, and the grinding ring 7 is arranged in a roller-pressed cylinder 8.
Claims (4)
1. A connecting structure of a grinding roller and a grinding roller frame comprises the grinding roller frame (1), wherein the grinding roller frame (1) comprises a roller frame sleeve (11) used for connecting a main shaft of a rolling mill, and at least three disc bodies (12) arranged at intervals up and down are connected to the roller frame sleeve (11); the method is characterized in that: a grinding roller shaft sleeve (3) which is coaxially arranged is screwed on the disc body (12); in the grinding roller shaft sleeve (3): the lower end surface of the grinding roller shaft sleeve (3) at the uppermost position is exposed out of the lower surface of a disc body (12) connected with the grinding roller shaft sleeve (3); the upper end surface of the grinding roller shaft sleeve (3) at the lowest position is exposed out of the upper surface of a disc body (12) connected with the grinding roller shaft sleeve (3); the upper end surfaces of the other grinding roller shaft sleeves (3) are exposed out of the upper surface of the disc body (12) connected with the grinding roller shaft sleeves (3), and the lower end surfaces are exposed out of the lower surface of the disc body (12) connected with the grinding roller shaft sleeves (3); the grinding roller shaft sleeve (3) which is coaxially arranged is internally provided with a grinding roller shaft (4), and a grinding roller (2) which is arranged on the grinding roller shaft (4) in a penetrating way is arranged between adjacent disc bodies (12).
2. A grinding roll to grinding roll stand connection according to claim 1, wherein: in the grinding roller shaft sleeve (3): the inner hole of the grinding roller shaft sleeve (3) at the lowest position is a stepped hole with a large upper part and a small lower part, and the aperture of the small hole of the stepped hole is smaller than the outer diameter of the grinding roller shaft (4).
3. A grinding roll to grinding roll stand coupling arrangement as claimed in claim 1 or 2, wherein: the grinding roller shaft sleeve (3) which is coaxially arranged, the grinding roller shaft (4) which is arranged in the grinding roller shaft sleeve in a penetrating way and the grinding roller (2) which is connected to the grinding roller shaft form a group of grinding roller assembly; the grinding roller assemblies are arranged on the grinding roller frame in a surrounding mode.
4. A grinding roll to grinding roll stand connection according to claim 3, wherein: the top of the grinding roller frame (1) is connected with an assembly pressure plate (5) which covers and presses the top of the grinding roller assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022619591.4U CN213726847U (en) | 2020-11-13 | 2020-11-13 | Connecting structure of grinding roller and grinding roller frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022619591.4U CN213726847U (en) | 2020-11-13 | 2020-11-13 | Connecting structure of grinding roller and grinding roller frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213726847U true CN213726847U (en) | 2021-07-20 |
Family
ID=76824671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022619591.4U Active CN213726847U (en) | 2020-11-13 | 2020-11-13 | Connecting structure of grinding roller and grinding roller frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213726847U (en) |
-
2020
- 2020-11-13 CN CN202022619591.4U patent/CN213726847U/en active Active
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