CN219098280U - Roll shaft structure convenient for disassembling and assembling bearing box body - Google Patents

Abstract

The utility model discloses a roll shaft structure convenient for disassembling and assembling a bearing box body, which comprises a roll shaft, wherein a bearing box body mounting surface is respectively arranged on the middle left side and the middle right side of the roll shaft, a bearing box body is arranged on the bearing box body mounting surface, a spacer bush is sleeved on the side surface of the bearing box body and the bearing box body mounting surface, a locking cap is sleeved on the other end surface of the spacer bush and the bearing box body mounting surface, locking necks are arranged on the side surfaces of the two bearing box bodies, transition circular rings are arranged in the locking necks, and buckles are arranged on the outer circular surfaces of the transition circular rings. According to the utility model, the transition ring is arranged at the locking neck, and the position of the locking neck is leveled through the transition ring, so that when the bearing box body is disassembled and assembled, the bearing in the bearing box body is prevented from falling into the locking neck, the convenience of disassembling and assembling the bearing box body is improved, the operation time is shortened, the labor is saved, and the overall disassembling and replacing efficiency is improved.

Description

Roll shaft structure convenient for disassembling and assembling bearing box body

[ field of technology ]

The utility model relates to the technical field of aluminum coil production equipment, in particular to a roll shaft structure convenient for disassembling and assembling a bearing box body.

[ background Art ]

The aluminum coil is a metal product subjected to flying shear after being rolled by a casting and rolling machine and the stretch bending angle is processed. When an aluminum coil is processed, a large-sized roll shaft is generally adopted to tension or extrude an aluminum plate of the aluminum coil, then the two ends of the aluminum plate of the aluminum coil are trimmed or other processing operations are carried out, the aluminum plate is conveyed to the other end through rotation of the roll shaft to be bundled again, and the roll shafts with different sizes are involved in the processes.

After the roll shaft is used for a certain time, the roll shaft needs to be disassembled for maintenance, at this time, bearing boxes at two ends of the roll shaft need to be disassembled, the bearing boxes are mounted on other roll shafts of the same type for continuous use, locking grooves are formed in the roll shaft at present, and locking rings are mounted at locking necks and used for fixing and limiting the bearing boxes. In the process of taking out the bearing box body, problems are caused, as the plurality of bearings are arranged in the bearing box body and distributed in a stepped shape, when the bearing box body is taken out, the front end and the rear end of the bearing box body do not support the bearings in the bearing box body, the bearings in the bearing box body are easy to fall into the locking neck, and as the bearing is large in size and falls into the locking neck, the bearings are respectively contacted with the inner wall of the bearing box body and the locking neck, and if the bearing box body is to be taken out, the bearings falling off from the bearing box body need to be pried up by adopting screw, the bearing box body can be taken out smoothly, but the light in the bearing box body is dark, the visual field is narrow, the practical operation is long, the physical strength of operators is consumed, and the whole disassembly and replacement efficiency is low; in addition, when the bearing box is installed, the bearing can fall into the locking neck due to the fact that supporting forces are not arranged at two ends of the bearing box, and therefore the roll shaft structure convenient for disassembling and assembling the bearing box is provided, and the problem mentioned above can be solved conveniently.

[ utility model ]

The utility model aims to provide a roll shaft structure convenient for disassembling and assembling a bearing box body, so as to solve the problem that the existing bearing box body is inconvenient to take out due to the fact that an internal bearing is easy to fall in the process of disassembling and assembling; the mode of adopting the screwdriver to adjust the bearing position in the bearing box is because the inside light of bearing box is dark, the visual field is narrow, and the actual operation is got up and is not only spent for a long time, also very consumptive operating personnel's physical power, problem such as inefficiency is dismantled in whole.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a roll axle structure convenient to dismouting bearing box, includes the roller, the bearing box installation face has been seted up respectively to the well left side and the well right side of roller, be equipped with the bearing box on the bearing box installation face, the cover has the spacer on the side of bearing box, the bearing box installation face, the cover has the locking cap on the other terminal surface of spacer, the bearing box installation face, locking neck has been seted up to the side of two bearing boxes, be equipped with the transition ring in the locking neck, be equipped with the buckle on the transition ring outer disc.

Further, the mounting surface of the bearing box body is a stepped surface, shoulders are arranged between the stepped surfaces and separated by the shoulders, the diameter of the left stepped surface of the right shoulder in the roll shaft is larger than that of the right stepped surface of the shoulder, and the diameter of the right stepped surface of the left shoulder in the roll shaft is larger than that of the left stepped surface of the shoulder.

Further, the lock cap is of a metal ring-shaped structure, the spacer bush is of a long-neck flange plate structure, a plurality of coaxial threaded holes are formed in the end face of the lock cap and the circumference of the flange face of the spacer bush, and fixing bolts are respectively arranged in the coaxial threaded holes.

Further, the hole of the right end face of the bearing box body on the right side in the roll shaft is in clearance fit with the step face on the right side of the shoulder, the hole of the left end face of the bearing box body on the left side in the roll shaft is in clearance fit with the step face on the left side of the shoulder, the neck part of the spacer on the right side in the roll shaft is arranged between the bearing box body and the step face on the right side of the shoulder, and the neck part of the spacer on the left side in the roll shaft is arranged between the bearing box body and the step face on the left side of the shoulder.

Further, a locking neck is arranged on the left shaft body of the bearing box body mounting surface on the middle left side of the roll shaft, a locking neck is arranged on the right shaft body of the bearing box body mounting surface on the middle right side of the roll shaft, and the locking neck is an annular groove.

Further, a through hole penetrating to the bottom surface of the locking neck is formed in the top surface of the locking neck; the transition ring comprises an upper bearing bush and a lower bearing bush, a hexagonal stepped through hole is formed in the top surface of the upper bearing bush, wedge-shaped grooves are formed in the bottom surfaces of the two ends of the upper bearing bush respectively, and the upper bearing bush is arranged at the top of the locking neck; the top surface of lower axle bush has seted up circular ladder through-hole, the top surface at the both ends of lower axle bush is equipped with wedge lug respectively, the bottom at locking neck is installed to lower axle bush, and the wedge lug at the top surface at its both ends is arranged in the wedge recess at the bottom surface at upper axle bush both ends.

Further, the through hole on the locking neck, the hexagonal stepped through hole on the top surface of the upper bearing bush and the circular stepped through hole on the bottom surface of the lower bearing bush are coaxially distributed, a tension bolt is arranged in the coaxial distributed through hole, the hexagonal stepped through hole and the circular stepped through hole, a nut is arranged in the hexagonal stepped through hole of the upper bearing bush, and the threaded end of the tension bolt is screwed into the nut.

Further, the buckle body is a bearing cover structure and is divided into an upper buckle and a lower buckle, the upper buckle is respectively arranged on the transition circular ring to wrap the transition circular ring, a hexagonal positioning lug is arranged on the circular arc bottom surface of the upper buckle, the hexagonal positioning lug is arranged in a hexagonal stepped through hole of the upper bearing bush, a circular positioning lug is arranged on the circular arc top surface of the lower buckle, and the circular positioning lug is arranged in a circular stepped through hole of the bottom surface of the lower bearing bush.

The beneficial effects achieved by the utility model are as follows:

the roller shaft structure is provided with the transition ring at the locking neck, the position of the locking neck is leveled through the transition ring, so that when the bearing box body is dismounted and mounted, the bearing in the bearing box body is prevented from falling into the locking neck, the convenience of dismounting and mounting the bearing box body is improved, the operation time is shortened, the labor is saved, and the overall dismounting and replacing efficiency is improved in actual operation; be equipped with the lug that corresponds on the buckle and be used for the location, under the condition of not taking off the transition ring, the mode that the corresponding lug was arranged in the downthehole that corresponds on the transition ring of accessible inspection bearing box, locking cap and spacer are installed in place, the lug on the buckle also has the effect that plays spacing to the axial displacement of buckle, is the same with the spacing effect of fixing the buckle in locking neck promptly, therefore this roller structure both can improve the convenience of dismantling the bearing box, can guarantee spacing effect and stability after the installation bearing box again.

[ description of the drawings ]

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a front view of the present utility model;

FIG. 2 is a cross-sectional view at A-A in FIG. 1;

FIG. 3 is an exploded view of the present utility model;

fig. 4 is a schematic perspective view of the upper and lower bearing shells.

Reference numerals: 1. a roll shaft; 1-1, a shaft head; 1-2, mounting surface of bearing box body; 1-3, locking the neck; 2. a bearing housing; 3. a spacer bush; 4. a buckle; 4-1, upper buckle; 4-2, a hexagonal positioning lug; 4-3, lower buckle; 4-4, circular positioning convex blocks; 5. a locking cap; 6. a buckle bolt; 7. tensioning a bolt; 8. a transition ring; 8-1, an upper bearing bush; 8-2, lower bearing bush; 8-3, hexagonal stepped through holes; 8-4, wedge-shaped clamping grooves; 8-5, a circular stepped through hole; 8-6, wedge-shaped convex blocks; 9. and (3) a nut.

[ detailed description ] of the utility model

The following is a detailed description of specific embodiments.

The present utility model will be described in further detail with reference to the following embodiments. It should be emphasized that the following description is merely exemplary in nature and is in no way intended to limit the scope of the utility model or its applications.

As shown in figures 1-4, a roll shaft structure convenient for dismounting a bearing box body comprises a roll shaft 1, the structures and components at two ends of the roll shaft 1 are symmetrically distributed, a bearing box body mounting surface 1-2 is respectively arranged on the middle left side and the middle right side of the roll shaft 1, the bearing box body mounting surface 1-2 is a stepped surface, the position of a rotating shaft 1 is of a stepped shaft structure, therefore, shoulders are arranged between the stepped surfaces, the diameter of the stepped surface at the left side of the shoulder at the right side in the roll shaft 1 is larger than the diameter of the stepped surface at the right side of the shoulder at the right side in the roll shaft 1 through shoulder separation, and the diameter of the stepped surface at the right side of the shoulder at the left side in the roll shaft 1 is larger than the diameter of the stepped surface at the left side of the shoulder.

The bearing box body 2 is arranged on the bearing box body mounting surface 1-2, the bearing box body 2 is of an existing structure, a stepped cavity for accommodating a bearing is arranged in the bearing box body, a plurality of bearings are arranged in the bearing box body, the bearings are not described in detail, the other side surface of the left side, the middle and right side of the bearing box body 2 in the rotating shaft 1, the bearing box body mounting surface 1-2 are sleeved with a spacer bush 3, the other end surface of the spacer bush 3 and the bearing box body mounting surface 1-2 are sleeved with a locking cap 5, the locking cap 5 is of a metal annular structure, the spacer bush 3 is of a long-necked flange structure, a hole of the right end surface of the right side of the bearing box body 2 in the roller shaft 1 and a stepped surface of the right side of the shoulder on the right side of the roller shaft 1 are in clearance fit, the hole of the left end surface of the left side of the bearing box body 2 in the roller shaft 1 and the stepped surface of the left side of the roller shaft 1 are in clearance fit, the neck of the spacer bush 3 on the middle and the shoulder on the right side are arranged between the bearing box body 2 and the stepped surface of the shoulder on the left side, and the spacer bush 3 on the middle and the left side of the roller shaft is arranged between the stepped surface of the bearing box body 2 and the shoulder on the left side, and the shoulder on the left side of the bearing box body and the bearing box body has effects of wear resistance; the end face of the lock cap 5 and the flange face of the spacer bush 3 are circumferentially provided with a plurality of coaxial threaded holes, the coaxial threaded holes are respectively provided with a fixing bolt, the side faces of the two bearing box bodies 2 are provided with locking necks 1-3, more specifically, the shaft body on the left side of the bearing box body mounting face 1-2 on the middle left side of the roll shaft 1 is provided with the locking necks 1-3, the shaft body on the right side of the bearing box body mounting face 1-2 on the middle right side of the roll shaft 1 is provided with the locking necks 1-3, and the locking necks 1-3 are annular grooves.

A transition ring 8 is arranged in the locking neck 1-3, and a through hole penetrating to the bottom surface of the locking neck is formed in the top surface of the locking neck 1-3; the transition ring 8 comprises an upper bearing bush 8-1 and a lower bearing bush 8-2, wherein a hexagonal stepped through hole is formed in the top surface of the upper bearing bush 8-1, a hexagonal counter bore is formed in the top surface of the upper bearing bush 8-1, a through hole is formed in the bottom of the hexagonal counter bore, wedge-shaped grooves 8-4 are formed in the bottom surfaces of two ends of the upper bearing bush 8-1 respectively, and the upper bearing bush 8-1 is arranged at the top of the locking neck 1-3; the top surface of the lower bearing bush 8-2 is provided with a circular stepped through hole, the bottom of the lower bearing bush 8-2 is provided with a circular counter bore, the bottom of the circular counter bore is provided with a through hole, the top surfaces of the two ends of the lower bearing bush 8-2 are respectively provided with a wedge-shaped lug 8-6, the lower bearing bush 8-2 is arranged at the bottom of the locking neck 1-3, the wedge-shaped lugs 8-6 of the top surfaces of the two ends of the lower bearing bush 8-2 are arranged in the wedge-shaped grooves 8-4 of the bottom surfaces of the two ends of the upper bearing bush 8-1, one purpose of the provision of the wedge-shaped grooves 8-4 and the wedge-shaped lugs 8-6 is to facilitate distinguishing which one of the upper bearing bush 8-1 is the lower bearing bush 8-2, the other purpose of the wedge-shaped lugs 8-6 is matched with the wedge-shaped grooves 8-4, the two end surfaces of the transition circular ring 8 can be ensured to be flat and smooth, and the installation is facilitated. The through hole on the locking neck 1-3 and the hexagonal stepped through hole on the top surface of the upper bearing bush 8-1 and the circular stepped through hole on the bottom surface of the lower bearing bush 8-5 are coaxially distributed, a tension bolt 7 is arranged in the coaxially distributed through hole, the hexagonal stepped through hole and the circular stepped through hole, the tension bolt 7 is a long bolt, a nut 9 is arranged in the hexagonal stepped through hole of the upper bearing bush 8-1, and the threaded end of the tension bolt 7 is screwed into the nut 9 to tightly fix the upper bearing bush 8-1 and the lower bearing bush 8-2 on the locking neck 1-3.

The outer circular surface of the transition circular ring 8 is provided with a buckle 4, the buckle 4 body is of a bearing cover structure and is divided into an upper buckle 4-1 and a lower buckle 4-3, the upper buckle 4-1 and the lower buckle are respectively arranged on the transition circular ring 8 and wrap the transition circular ring 8, the circular arc bottom surface of the upper buckle 4-1 is provided with a hexagonal positioning lug 4-2, the hexagonal positioning lug 4-2 is arranged in a hexagonal stepped through hole of the upper bearing bush 8-1, the circular arc top surface of the lower buckle 4-3 is provided with a circular positioning lug 4-4, and the circular positioning lug 4-4 is arranged in a circular stepped through hole of the bottom surface of the lower bearing bush 8-2.

The roller shaft structure is characterized in that the transition ring 8 is arranged at the locking neck 1-3, the position of the locking neck 1-3 is leveled through the transition ring 8, so that when the bearing box body 2 is disassembled and assembled, the bearing in the bearing box body 2 is prevented from falling into the locking neck 1-3, the convenience of disassembling and assembling the bearing box body 2 is improved, the operation time is shortened, the labor is saved, and the overall disassembly and replacement efficiency is improved in practical operation; the corresponding protruding blocks are arranged on the buckles 4 and used for positioning, under the condition that the transition circular ring 8 is not taken down, the bearing box body 2, the lock cap 5 and the spacer bush 3 can be checked to be installed in place through the corresponding protruding blocks arranged in the corresponding holes on the transition circular ring 8, if the corresponding protruding blocks on the buckles 4 are not arranged in the holes on the top surface and the bottom surface of the transition circular ring 8, the bearing box body 2, the lock cap 5 and the spacer bush 3 are not installed in place, the installation needs to be readjusted, the protruding blocks on the buckles 4 also have the function of limiting the axial movement of the buckles 4, namely, the limiting function of the buckles 4 in the locking necks 1-3 is the same, so that the roller shaft structure can improve the convenience of disassembling the bearing box body 2, ensure the limiting effect and stability after the bearing box body 2 is installed, the new roller shaft 1 does not need to be replaced, and the cost of replacing the roller shaft 1 is reduced.

Claims (8)

1. The utility model provides a roller structure convenient to dismouting bearing box, includes the roller, its characterized in that: the bearing box installation face is respectively arranged on the middle left side and the middle right side of the roll shaft, the bearing box is arranged on the bearing box installation face, the spacer bush is sleeved on the side face of the bearing box and the bearing box installation face, the lock cap is sleeved on the other end face of the spacer bush and the bearing box installation face, the locking neck is arranged on the side faces of the two bearing boxes, the transition circular ring is arranged in the locking neck, and the buckle is arranged on the outer circular face of the transition circular ring.

2. The roller shaft structure for facilitating disassembly and assembly of a bearing housing according to claim 1, wherein: the bearing box body mounting surface is a step surface, shoulders are arranged between the step surfaces, the step surfaces are separated by the shoulders, the diameter of the left step surface of the right shoulder in the roll shaft is larger than that of the right step surface of the shoulder, and the diameter of the right step surface of the left shoulder in the roll shaft is larger than that of the left step surface of the shoulder.

3. The roller shaft structure for facilitating disassembly and assembly of a bearing housing according to claim 2, wherein: the lock cap is of a metal ring-shaped structure, the spacer bush is of a long-neck flange plate structure, a plurality of coaxial threaded holes are formed in the end face of the lock cap and the circumference of the flange face of the spacer bush, and fixing bolts are respectively arranged in the coaxial threaded holes.

4. A roller shaft structure for facilitating assembly and disassembly of a bearing housing according to claim 3, wherein: the hole of the right end face of the bearing box body on the right side in the roll shaft is in clearance fit with the step face on the right side of the shoulder, the hole of the left end face of the bearing box body on the left side in the roll shaft is in clearance fit with the step face on the left side of the shoulder, the neck part of the spacer bush on the right side in the roll shaft is arranged between the bearing box body and the step face on the right side of the shoulder, and the neck part of the spacer bush on the left side in the roll shaft is arranged between the bearing box body and the step face on the left side of the shoulder.

5. The roller shaft structure for facilitating disassembly and assembly of a bearing housing according to claim 1, wherein: the locking neck is arranged on the left side of the bearing box body mounting surface on the middle left side of the roll shaft, the locking neck is arranged on the right side of the bearing box body mounting surface on the middle right side of the roll shaft, and the locking neck is an annular groove.

6. The roller shaft structure for facilitating disassembly and assembly of a bearing housing according to claim 1, wherein: the top surface of the locking neck is provided with a through hole penetrating to the bottom surface of the locking neck; the transition ring comprises an upper bearing bush and a lower bearing bush, a hexagonal stepped through hole is formed in the top surface of the upper bearing bush, wedge-shaped grooves are formed in the bottom surfaces of the two ends of the upper bearing bush respectively, and the upper bearing bush is arranged at the top of the locking neck; the top surface of lower axle bush has seted up circular ladder through-hole, the top surface at the both ends of lower axle bush is equipped with wedge lug respectively, the bottom at locking neck is installed to lower axle bush, and the wedge lug at the top surface at its both ends is arranged in the wedge recess at the bottom surface at upper axle bush both ends.

7. The roller shaft structure for facilitating disassembly and assembly of a bearing housing according to claim 6, wherein: the through hole on the locking neck, the hexagonal stepped through hole on the top surface of the upper bearing bush and the circular stepped through hole on the bottom surface of the lower bearing bush are coaxially distributed, a tension bolt is arranged in the through hole, the hexagonal stepped through hole and the circular stepped through hole which are coaxially distributed, a nut is arranged in the hexagonal stepped through hole of the upper bearing bush, and the threaded end of the tension bolt is screwed into the nut.

8. The roller shaft structure for facilitating disassembly and assembly of a bearing housing according to claim 6, wherein: the buckle body is a bearing cover structure and is divided into an upper buckle and a lower buckle, the upper buckle is respectively arranged on a transition circular ring to wrap the transition circular ring, a hexagonal positioning lug is arranged on the circular arc bottom surface of the upper buckle, the hexagonal positioning lug is arranged in a hexagonal stepped through hole of an upper bearing bush, a circular positioning lug is arranged on the circular arc top surface of the lower buckle, and the circular positioning lug is arranged in a circular stepped through hole of the bottom surface of the lower bearing bush.

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