CN219073904U

CN219073904U - Combined roller

Info

Publication number: CN219073904U
Application number: CN202223562474.4U
Authority: CN
Inventors: 张海林
Original assignee: Hebei Gangshen Equipment Manufacturing And Installation Engineering Co ltd
Current assignee: Hebei Gangshen Equipment Manufacturing And Installation Engineering Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-26
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of rollers and discloses a combined roller, which comprises a first roller shaft and a second roller shaft, wherein a threaded head is fixedly connected to the outer surface of the first roller shaft, a threaded hole is formed in the inner surface of the first roller shaft opposite to the second roller shaft, a fixing sleeve is mounted on the outer surface of the first roller shaft through a first bolt, a plurality of third threaded holes are formed in the outer surface of the fixing sleeve, and third bolts are connected to the inner surface of the third threaded holes in a threaded mode. This combination formula roll, through first roller, second roller, roller core, roller shell combination formula connection setting, reached the effect that can change the single damage department of roll, solved current roll and mostly adopted integral type structure, the structure is dead plate, repair work is very complicated when damaging in the roll somewhere emergence, even need all to discard, renew, cost of maintenance is higher and also comparatively troublesome problem is got up in the use simultaneously.

Description

Combined roller

Technical Field

The utility model relates to the technical field of rollers, in particular to a combined roller.

Background

The roller is an important part on a rolling mill, the whole structure of the roller is cylindrical, and comprises a rolling part with a larger diameter at the middle part and mounting ends with smaller diameters at two ends, wherein the rolling part is used for rolling steel during working, and the two ends are used for mounting and fixing the roller.

Most of the existing rollers adopt an integrated structure, the structure is relatively dead, if the roller is damaged somewhere, the repairing work is very complex, even the roller needs to be scrapped and thrown away, the roller is replaced with a new roller, the maintenance cost is relatively high, and the roller is relatively troublesome to use, so that the combined roller is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a combined roller, which solves the problems that most of the prior rollers in the background art adopt an integrated structure, the structure is relatively dead, if the roller is damaged somewhere, the repairing work is very complex, even the roller needs to be completely scrapped and thrown away, the roller is replaced with a new roller, the maintenance cost is relatively high, and the roller is relatively troublesome to use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a combination formula roll, includes first roller and second roller, the surface fixedly connected with screw thread head of first roller, the screw hole has been seted up to the relative internal surface of first roller and second roller, fixed cover is installed through first bolt to the surface of first roller.

By adopting the technical scheme, the first roll shaft and the second roll shaft are connected through the threaded head matched with the threaded hole.

Preferably, the outer surface of the fixed sleeve is provided with a plurality of third screw holes, the inner surface of each third screw hole is in threaded connection with a third bolt, the outer surface of the fixed sleeve is provided with a roller core through the third bolt, and the roller cores are sleeved on the outer surfaces of the first roller shaft and the second roller shaft.

By adopting the technical scheme, the roller core is fixed on the fixing sleeve through the matching of the third bolt and the third screw hole.

Preferably, the outer surface of the roller core is sleeved with a roller sleeve, a plurality of second screw holes are formed in the outer surfaces of the right sides of the roller core and the roller sleeve, and the roller sleeve is mounted on the outer surface of the roller core through second bolts.

By adopting the technical scheme, the roller sleeve is arranged on the outer surface of the roller core through the matching of the second bolt and the second screw hole.

Preferably, the outer surface of the fixed sleeve, which is close to the roller sleeve, is fixedly connected with a plurality of positioning blocks, the outer surface of the roller sleeve, which is close to the fixed sleeve, is provided with a plurality of positioning grooves, and the positioning blocks are movably inserted into the positioning grooves.

By adopting the technical scheme, the roller sleeve is quickly positioned by matching the positioning blocks with the positioning grooves.

Compared with the prior art, the utility model has the beneficial effects that:

1. this combination formula roll, through first roller, second roller, roller core, roller shell combination formula connection setting, reached the effect that can change the single damage department of roll, solved current roll and mostly adopted integral type structure, the structure is dead plate, repair work is very complicated when damaging in the roll somewhere emergence, even need all to discard, renew, cost of maintenance is higher and also comparatively troublesome problem is got up in the use simultaneously.

2. This combination formula roll, lead to the locating piece to insert in the constant head tank, fix a position the roller shell fast, reached can make to connect between roller shell and the roller core more stable, and improved the effect of the efficiency of installation dismantlement.

Drawings

FIG. 1 is a left-hand structural schematic diagram of the present utility model;

FIG. 2 is a right side view of the present utility model;

FIG. 3 is a schematic view of a roll shaft and related structure of the present utility model;

FIG. 4 is a schematic view of a roll core and related structures according to the present utility model;

FIG. 5 is a schematic view of a roll cover and related structure of the present utility model.

In the figure: 1. a first roller shaft; 2. a second roller shaft; 3. a thread head; 4. a threaded hole; 5. a fixed sleeve; 6. a first bolt; 7. a roll core; 8. a roller sleeve; 9. a second screw hole; 10. a second bolt; 11. a positioning block; 12. a positioning groove; 13. and a third bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-5 in combination, a combined roller comprises a first roller shaft 1 and a second roller shaft 2, wherein a threaded head 3 is fixedly connected to the outer surface of the first roller shaft 1, a threaded hole 4 is formed in the inner surface of the first roller shaft 1 opposite to the second roller shaft 2, the threaded head 3 is matched with the threaded hole 4, the first roller shaft 1 and the second roller shaft 2 are connected, a fixed sleeve 5 is installed on the outer surface of the first roller shaft 1 through a first bolt 6, a plurality of third threaded holes are formed in the outer surface of the fixed sleeve 5, a third bolt 13 is connected to the inner surface of the third threaded hole in a threaded manner, a roller core 7 is installed on the outer surface of the fixed sleeve 5 through the third bolt 13, the roller core 7 is screwed into the third threaded holes, the roller core 7 is fixed on the fixed sleeve 5, a roller sleeve 8 is sleeved on the outer surfaces of the first roller shaft 1 and the second roller shaft 2, a plurality of second threaded holes 9 are formed in the outer surfaces of the roller core 7 and the roller sleeve 8, a plurality of second threaded holes 9 are formed in the right side outer surfaces of the roller core 7 and the roller sleeve 8, and the roller core 8 is installed on the outer surface of the roller core 7 through the second threaded holes 10.

Working principle: when the roll sleeve 8 is damaged, the second bolt 10 is screwed out of the second screw hole 9, the roll sleeve 8 is pulled out of the roll core 7, the roll sleeve 8 can be replaced, when the roll core 7 is damaged, the second bolt 10 is unscrewed from the second screw hole 9, the roll sleeve 8 is pulled out of the roll core 7, the third bolt 13 is unscrewed from the third screw hole, the roll core 7 is separated from the fixed sleeve 5, the roll core 7 is pulled out of the first roll shaft 1 and the second roll shaft 2, the roll core 7 can be replaced, when the first roll shaft 1 or the second roll shaft 2 is damaged, the second bolt 10 is unscrewed from the second screw hole 9, the roll sleeve 8 is pulled out of the roll core 7, the third bolt 13 is screwed out of the third screw hole, the roll core 7 is separated from the fixed sleeve 5, the roll core 7 is pulled out of the first roll shaft 1 and the second roll shaft 2, and the thread head 3 is pulled out of the screw hole 4, and the first roll shaft 1 or the second roll shaft 2 can be replaced.

Compared with the related art, the combined roller provided by the utility model has the following beneficial effects: the effect that can change the single damage department of roll has been reached, has solved current roll and has adopted integral type structure mostly, and the structure is dead plate, and repair work is very complicated when damaging in the roll somewhere, even needs all to discard, renews, and cost of maintenance is higher and also uses comparatively trouble problem simultaneously.

Example 2:

referring to fig. 1-5 in combination, the outer surface of the fixed sleeve 5, which is close to the roller sleeve 8, is fixedly connected with a plurality of positioning blocks 11, the outer surface of the roller sleeve 8, which is close to the fixed sleeve 5, is provided with a plurality of positioning grooves 12, the positioning blocks 11 are movably inserted into the positioning grooves 12, and when the roller sleeve 8 is installed, the four positioning grooves 12 on the roller sleeve 8 are aligned with the positioning blocks 11, so that the positioning blocks 11 are inserted into the positioning grooves 12, the roller sleeve 8 and the roller core 7 can be connected more smoothly and stably, and the roller sleeve 8 and the roller core 7 are prevented from rotating.

Working principle: when the roller sleeve 8 is installed, the four positioning grooves 12 on the roller sleeve 8 are aligned with the positioning blocks 11, so that the positioning blocks 11 are inserted into the positioning grooves 12, the roller sleeve 8 and the roller core 7 can be connected more smoothly and stably, rotation between the roller sleeve 8 and the roller core 7 is avoided, after the positioning blocks 11 are inserted into the positioning grooves 12, the second screw holes 9 on the roller sleeve 8 correspond to the second screw holes 9 on the roller core 7, and the second bolts 10 are screwed into the second screw holes 9.

Compared with the related art, the combined roller provided by the utility model has the following beneficial effects: the effect that can make the roller sleeve 8 be connected more stably with the roller core 7 between the roller core 7 has been reached, and the efficiency of installation dismantlement has been improved.

The above-mentioned respective means concerning the use of the apparatus are different in selection and use according to actual practice, and various parameters are referred to, and the function according to the apparatus used corresponds to the effect achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a modular roll, includes first roller (1) and second roller (2), its characterized in that: the outer surface fixedly connected with screw thread head (3) of first roller (1), screw hole (4) have been seted up to the internal surface that first roller (1) is relative with second roller (2), fixed cover (5) are installed through first bolt (6) to the surface of first roller (1).

2. A combination roll according to claim 1, characterized in that: the outer surface of fixed cover (5) has seted up a plurality of third screw, the internal surface threaded connection of third screw has third bolt (13), roller core (7) are installed through third bolt (13) to the surface of fixed cover (5), roller core (7) cover is established at the surface of first roller (1) and second roller (2).

3. A combination roll according to claim 2, characterized in that: the outer surface cover of roller core (7) is equipped with roller shell (8), a plurality of second screw (9) have all been seted up to the right side surface of roller core (7) and roller shell (8), roller shell (8) are installed at the surface of roller core (7) through second bolt (10).

4. A combination roll according to claim 3, characterized in that: the roller sleeve is characterized in that a plurality of positioning blocks (11) are fixedly connected to the outer surface of the fixed sleeve (5) close to the roller sleeve (8), a plurality of positioning grooves (12) are formed in the outer surface of the roller sleeve (8) close to the fixed sleeve (5), and the positioning blocks (11) are movably inserted into the positioning grooves (12).