CN218945921U - Bending-resistant roller shaft - Google Patents

Abstract

The utility model discloses a bending-resistant roller shaft which comprises a first roller and a second roller, wherein one side of the first roller is provided with the second roller, an adjusting roller is arranged between the first roller and the second roller, a wear-resistant layer is arranged outside the first roller and the second roller, one sides of the first roller and the second roller are fixedly connected with an installing shaft, the inside of the first roller and the adjusting roller is provided with an installing clamping groove, one side of the second roller is fixedly connected with a first clamping block, and one side of the adjusting roller is fixedly connected with a second clamping block. When the roll shaft for bending resistance needs to lengthen the rolls, the adjusting rolls can be installed between the first rolls and the second rolls and fixed by using the mounting bolts, and when the rolls need to be shortened, the adjusting rolls are taken down, so that the first clamping blocks of the second rolls are inserted into the mounting clamping grooves with the first rolls, and the problem that the length of the rolls is inconvenient to adjust is solved.

Description

Bending-resistant roller shaft

Technical Field

The utility model relates to the technical field of machining, in particular to a bending-resistant roller shaft.

Background

Rolls are the main tools and components on rolling mills, and the varieties and manufacturing processes of rolls are continuously developed along with the progress of metallurgical technology and the evolution of rolling equipment.

According to the connection structure of a roller and a roller shaft disclosed in application number CN202221127033.9, the connection structure comprises a roller body and a roller shaft arranged on the roller body, wherein a bidirectional threaded rod is rotationally connected in the roller shaft, and one end of the bidirectional threaded rod is connected with a driving mechanism; the utility model discloses a roll, including two-way threaded rod, the bottom of two-way threaded rod surface, the bottom of movable block is provided with slide mechanism, the top of movable block articulates there is the bracing piece, the one end that the movable block was kept away from to the bracing piece articulates there is the lifter plate, the top fixed mounting of lifter plate has the inserted bar ", the length of roller shaft can't be adjusted according to the demand to the roll axle that designs in the above-mentioned application to application is limited, and the roll receives the easy damage of bending after the extrusion, to above-mentioned problem, intensive study has optimized holistic structure, through the roll axle of design detachable, has realized the roll structure of flexible regulation length, has strengthened the intensity anti-bending of roll support.

There is a need for a roll shaft that resists bending that addresses the technical shortcomings set forth in the art.

Disclosure of Invention

The utility model aims to provide a bending-resistant roller shaft, which solves the problem that the length of a roller is inconvenient to adjust in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a roll axle of anti bending, includes first roll and second roll, one side of first roll is provided with the second roll, install between first roll and the second roll and adjust the roll, the outside of first roll and second roll is provided with the wearing layer, one side fixedly connected with installation axle of first roll and second roll, the inside of first roll and adjusting the roll is provided with the installation draw-in groove, one side fixedly connected with first fixture block of second roll, one side fixedly connected with second fixture block of adjusting the roll, the inside swing joint of installation draw-in groove has mounting bolt, the externally mounted of installation axle has mounting flange, the inside fixedly connected with back-up ring of first roll and second roll.

Preferably, the first clamping block and the second clamping block are respectively embedded in the installation clamping groove, and the installation bolt penetrates through the first clamping block and the second clamping block.

Preferably, the inside of support ring is provided with the spliced pole, fixedly connected with support column between spliced pole and the support ring, the outside fixedly connected with spliced pole of support column, fixedly connected with stiffener between spliced pole and the support ring.

Preferably, the support columns are provided with six groups, and the support columns are distributed annularly outside the reinforcing columns.

Preferably, two groups of positioning clamping grooves are formed in the mounting shaft, and mounting holes are formed in the mounting flange.

Preferably, the first roller and the second roller are the same size.

Preferably, the regulating roller is disposed between the first roller and the second roller.

Compared with the prior art, the utility model has the beneficial effects that: the bending-resistant roller shaft not only realizes the function of conveniently adjusting the length of the roller and realizing convenient installation, but also realizes the bending-resistant function;

(1) Through being provided with a first roller, an adjusting roller, a first clamping block, a second roller, an installation clamping groove and a second installation clamping block, when the length of the adjusting roller is adjusted, the adjusting roller is required to be placed between the first roller and the second roller, then the second clamping block of the adjusting roller and the first clamping block of the second roller are inserted into the installation clamping groove, then the adjusting roller is fixed by using an installation bolt, and the first roller and the second roller can be connected after being taken down;

(2) The roller is installed on the machine tool through the external installation shaft for use, the installation shaft is required to be inserted into the machine tool during installation, the positioning clamping groove in the installation shaft is embedded with the clamping block in the installation area of the machine tool, and the roller is fixed on the machine tool through the installation flange after the installation shaft is embedded;

(3) Through being provided with holding ring, support column, spliced pole, stiffener and go-between, install at the inside holding ring of first roll and second roll can improve the holistic fastness of roll and the effect of nai bending, and when first roll and second roll received external force extrusion, inside spliced pole of holding ring and go-between can improve the effect of nai bending.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic side view of a support ring according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

fig. 4 is a schematic cross-sectional elevation view of the mounting shaft of the present utility model.

In the figure: 1. a mounting shaft; 2. a mounting flange; 3. a first roller; 4. adjusting a roller; 5. a first clamping block; 6. a second roller; 7. a wear-resistant layer; 8. a mounting hole; 9. a support ring; 10. installing a clamping groove; 11. a support column; 12. a reinforcing column; 13. a reinforcing rod; 14. a reinforcing ring; 15. installing a bolt; 16. a second clamping block; 17. and positioning the clamping groove.

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. 1-4, an anti-bending roll shaft comprises a first roll 3 and a second roll 6, wherein one side of the first roll 3 is provided with the second roll 6, an adjusting roll 4 is arranged between the first roll 3 and the second roll 6, a wear-resistant layer 7 is arranged outside the first roll 3 and the second roll 6, one side of the first roll 3 and the second roll 6 is fixedly connected with a mounting shaft 1, the inside of the first roll 3 and the adjusting roll 4 is provided with a mounting clamping groove 10, one side of the second roll 6 is fixedly connected with a first clamping block 5, one side of the adjusting roll 4 is fixedly connected with a second clamping block 16, the inside of the mounting clamping groove 10 is movably connected with a mounting bolt 15, a mounting flange 2 is arranged outside the mounting shaft 1, and the inside of the first roll 3 and the second roll 6 is fixedly connected with a supporting ring 9;

the first clamping block 5 and the second clamping block 16 are respectively embedded in the mounting clamping groove 10, the mounting bolts 15 penetrate through the first clamping block 5 and the second clamping block 16, the first roller 3 and the second roller 6 are the same in size, and the adjusting roller 4 is arranged between the first roller 3 and the second roller 6;

specifically, as shown in fig. 1 and 3, when the rolls are required to be lengthened, the adjusting roll 4 may be installed between the first roll 3 and the second roll 6 and fixed by using the installation bolts 15, and when the rolls are required to be shortened, the adjusting roll 4 may be removed, so that the first clamping block 5 of the second roll 6 is inserted into the installation clamping groove 10 with the first roll 3.

Example 2: the inside of the support ring 9 is provided with a reinforcing column 12, a support column 11 is fixedly connected between the reinforcing column 12 and the support ring 9, a reinforcing ring 14 is fixedly connected to the outside of the support column 11, a reinforcing rod 13 is fixedly connected between the reinforcing ring 14 and the support ring 9, six groups of support columns 11 are arranged, and the support columns 11 are annularly distributed outside the reinforcing column 12;

specifically, as shown in fig. 1 and 2, the installation shaft 1 on the first roll 3 and the second roll 6 may be inserted into the installation groove of the machine tool, the positioning groove 17 inside the installation shaft 1 may be fitted into the fixture block inside the installation groove, and then the installation shaft 1 may be fixed using the installation flange 2.

Example 3: two groups of positioning clamping grooves 17 are formed in the mounting shaft 1, and mounting holes 8 are formed in the mounting flange 2;

specifically, as shown in fig. 1 and 4, when the roller is extruded, the supporting ring 9 can support the inside of the roller, so that the roller is prevented from bending and breaking, and the reinforcing columns 12 and the uniformly distributed reinforcing rods 13 in the supporting ring 9 can improve the supporting strength and the durability of the roller.

Working principle: when the utility model is used, the whole length of the roller is firstly adjusted according to the requirement, the adjusting roller 4 is firstly placed between the first roller 3 and the second roller 6 when the roller needs to be prolonged, then the second clamping block 16 of the adjusting roller 4 and the first clamping block 5 of the second roller 6 are inserted into the installation clamping groove 10, then the mounting bolts 15 are used for fixing, when the roller needs to be shortened, the first roller 3 and the second roller 6 can be connected after the adjusting roller 4 is taken down, the supporting rings 9 arranged in the first roller 3 and the second roller 6 can improve the whole firmness and bending resistance effect of the roller, when the first roller 3 and the second roller 6 are extruded by external force, the mounting shaft 1 is firstly inserted into a machine tool during mounting, the positioning clamping groove 17 in the mounting shaft 1 is embedded with the clamping block in the mounting area of the machine tool, and then the mounting flange 2 is used for fixing the mounting shaft on the machine tool after the embedding.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. A roll shaft resistant to bending comprising a first roll (3) and a second roll (6), characterized in that: one side of first roll (3) is provided with second roll (6), install between first roll (3) and second roll (6) and adjust roll (4), the outside of first roll (3) and second roll (6) is provided with wearing layer (7), one side fixedly connected with installation axle (1) of first roll (3) and second roll (6), the inside of first roll (3) and adjust roll (4) is provided with installation draw-in groove (10), one side fixedly connected with first fixture block (5) of second roll (6), one side fixedly connected with second fixture block (16) of adjust roll (4), the inside swing joint of installation draw-in groove (10) has mounting bolt (15), the externally mounted of installation axle (1) has mounting flange (2), the inside fixedly connected with supporting ring (9) of first roll (3) and second roll (6).

2. A bending-resistant roll shaft as defined in claim 1, wherein: the first clamping block (5) and the second clamping block (16) are respectively embedded in the installation clamping groove (10), and the installation bolt (15) penetrates through the first clamping block (5) and the second clamping block (16).

3. A bending-resistant roll shaft as defined in claim 1, wherein: the inside of support ring (9) is provided with spliced pole (12), fixedly connected with support column (11) between spliced pole (12) and support ring (9), the outside fixedly connected with of support column (11) strengthens ring (14), fixedly connected with stiffener (13) between stiffener ring (14) and support ring (9).

4. A bending-resistant roll shaft according to claim 3, characterized in that: the support columns (11) are provided with six groups, and the support columns (11) are annularly distributed outside the reinforcing columns (12).

5. A bending-resistant roll shaft as defined in claim 1, wherein: two groups of positioning clamping grooves (17) are formed in the mounting shaft (1), and mounting holes (8) are formed in the mounting flange (2).

6. A bending-resistant roll shaft as defined in claim 1, wherein: the first roller (3) and the second roller (6) have the same size.

7. A bending-resistant roll shaft as defined in claim 1, wherein: the regulating roller (4) is arranged between the first roller (3) and the second roller (6).

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