CN209867414U

CN209867414U - Driven backing roll of automobile production line

Info

Publication number: CN209867414U
Application number: CN201920217128.1U
Authority: CN
Inventors: 韩国强
Original assignee: SHANGHAI KAIZHONG POLYURETHANE CO Ltd
Current assignee: SHANGHAI KAIZHONG POLYURETHANE CO Ltd
Priority date: 2019-02-20
Filing date: 2019-02-20
Publication date: 2019-12-31
Anticipated expiration: 2029-02-20

Abstract

The utility model discloses a driven backing roll of an automobile production line, which comprises a rotating shaft and an inner expansion tight block sleeved at the two ends of the rotating shaft, wherein the outer sleeve of the inner expansion tight block is provided with an outer expansion tight block; both ends of the rotating shaft penetrate through the wheel core, and both ends of the rotating shaft are arranged on the bearing seat. The utility model provides a driven backing roll of automobile production line for the heat that produces when the polyurethane gyro wheel core of solving the driven backing roll of conventional structure and axle welding causes the problem of damage to polyurethane, and can change alone after making the polyurethane gyro wheel damage, reduce driven backing roll cost of maintenance.

Description

Driven backing roll of automobile production line

Technical Field

The utility model relates to a driven backing roll especially relates to a driven backing roll of automobile production line.

Background

A skid for driving and conveying an automobile on an automobile production line comprises a driving supporting roller and a driven supporting roller, heat generated at a welding seam of the driven supporting roller in the welding process is conducted to a polyurethane roller to cause polyurethane material damage, the polyurethane roller and a shaft cannot be disassembled after welding, and a polyurethane layer of any polyurethane roller on the supporting roller needs to be replaced in a whole set after being worn, aged or damaged in other forms, so that the maintenance cost is overhigh.

In summary, the conventional driven backup roller has the following problems: (1) the heat generated at the welding seam of the driven supporting roller in the welding process is transferred to the polyurethane roller to cause the polyurethane material to be damaged; (2) the polyurethane layer of any polyurethane roller on the supporting roller needs to be replaced after being worn, aged or damaged in other forms, and the maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve arbitrary part of current driven backing roll and need a whole set of change after destroying, the high scheduling problem of cost of maintenance provides a driven backing roll of automobile production line.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a driven backing roll of an automobile production line, which comprises a rotating shaft and an inner expansion tight block sleeved at the two ends of the rotating shaft, wherein the outer sleeve of the inner expansion tight block is provided with an outer expansion tight block, and the outer sleeve of the outer expansion tight block is provided with a wheel core; the both ends of pivot all pass the wheel core, just the both ends of pivot all set up on the bearing frame.

Further, the shape that the tight piece of outer bloated surface formed is cylindrical, the shape that the inner wall of the tight piece of outer bloated formed is conical.

Furthermore, the outer surface of the inner expansion block is conical, and the conical degree of the outer surface of the inner expansion block is the same as that of the inner wall of the outer expansion block; the shape that the internal surface of bloated compact formed is cylindrical.

Further, a plurality of first grooves are formed in the outer surface of the outer expansion block at equal intervals, the first grooves are arranged along the length direction of the outer expansion block, and the adjacent first grooves in the first grooves are opposite in direction.

Further, a plurality of second grooves are formed in the outer surface of the inner expansion block at equal intervals, the second grooves are arranged along the length direction of the inner expansion block, and the directions of the adjacent second grooves in the second grooves are opposite.

Further, the surface of the wheel core is coated with a polyurethane layer.

Further, both ends of the rotating shaft are sleeved with locking nuts, and the locking nuts are in contact with the inner expansion blocks.

Furthermore, one side of the locking nut is provided with the inner expansion block, the other side of the locking nut is provided with the locknut, and the locknut is sleeved at two ends of the rotating shaft.

The above technical scheme is adopted in the utility model, compared with the prior art, following technological effect has:

the utility model provides a driven backing roll of automobile production line for the heat that produces when the polyurethane gyro wheel core of solving the driven backing roll of conventional structure and axle welding causes the problem of damage to polyurethane, and can change alone after making the polyurethane gyro wheel damage, reduce driven backing roll cost of maintenance.

Drawings

FIG. 1 is a schematic side view of the driven backup roll of the automobile production line of the present invention;

FIG. 2 is a schematic view of the assembly structure of the driven supporting roller of the automobile production line of the present invention;

FIG. 3 is a schematic view of the front view structure of the driven backup roll of the automobile production line of the present invention;

FIG. 4 is a schematic structural view of the external expansion block in the driven backup roll of the automobile production line of the present invention;

FIG. 5 is a schematic structural view of an inner expansion block in the driven supporting roll of the automobile production line of the present invention;

FIG. 6 is a schematic side view of the wheel core of the driven backup roll in the automobile production line of the present invention;

FIG. 7 is a schematic view of the front view structure of the wheel core in the driven supporting roller of the automobile production line of the present invention;

FIG. 8 is a schematic diagram of a side view structure of an outer expansion block arranged in a wheel core of a driven support roller of the automobile production line;

FIG. 9 is a schematic view of the front view structure of the outer expanding block arranged in the wheel core of the driven supporting roller of the automobile production line of the utility model;

FIG. 10 is a schematic view of a three-dimensional structure of an outer expanding block arranged in a wheel core of a driven support roller of the automobile production line of the utility model;

FIG. 11 is a schematic view of the overall side view structure of the driven backup roll of the automobile production line of the present invention;

FIG. 12 is a schematic view of the overall three-dimensional structure of the driven backup roll in the automobile production line of the present invention;

FIG. 13 is a side view of the driven backing roll mounting locknut and locknut of the automobile production line of the present invention;

FIG. 14 is a perspective view of the driven backing roll of the automobile production line for mounting the locknut and the locknut;

wherein the reference symbols are:

1-rotating shaft, 2-inner expansion block, 3-outer expansion block, 4-wheel core, 5-bearing seat, 6-first groove, 7-second groove, 8-locking nut, 9-locknut and 10-polyurethane layer.

Detailed Description

The present invention will be described in detail and specifically with reference to specific embodiments so as to provide a better understanding of the present invention, but the following embodiments do not limit the scope of the present invention.

As shown in fig. 1-3 and 5-14, an embodiment of the utility model provides a driven support roller for an automobile production line, which comprises a rotating shaft 1 and inner expansion blocks 2 sleeved at two ends of the rotating shaft 1, wherein the outer expansion blocks 3 are sleeved outside the inner expansion blocks 2, and wheel cores 4 are sleeved outside the outer expansion blocks 3; the both ends of pivot 1 all pass round core 4, and the both ends of pivot 1 all set up on bearing frame 5.

In one aspect of this embodiment, as shown in fig. 4, the outer surface of the swelling block 3 is formed in a cylindrical shape, and the inner wall of the swelling block 3 is formed in a conical shape.

In one aspect of this embodiment, as shown in fig. 5, the outer surface of the inner expansion block 2 is formed in a conical shape, and the conical shape of the outer surface of the inner expansion block 2 is the same as the conical taper formed on the inner wall of the outer expansion block 3; the shape that the tight piece 2 internal surface of interior bloated formed is cylindrical, because the tight piece 3 that expands is established outside to interior bloated tight piece 2 inlays, so the shape and the size that the tight piece 3 inner wall of outer bloated formed are the same with the shape and the size that the tight piece 3 external surface of interior bloated formed.

In one aspect of this embodiment, as shown in fig. 4, a plurality of first grooves 6 have been seted up to the surface of the tight piece 3 that expands outward at equal intervals, and a plurality of first grooves 6 all set up along the length direction of the tight piece 3 that expands outward, and the direction of the adjacent first groove 6 in a plurality of first grooves 6 is opposite.

In one aspect of this embodiment, as shown in fig. 5, a plurality of second grooves 7 have been seted up to the equidistant outer surface of the interior compact heap 2 that expands, and a plurality of second grooves 7 all set up along the length direction of the interior compact heap 2 that expands, and the opposite direction of adjacent second groove 7 in a plurality of second grooves 7.

In one aspect of this embodiment, as shown in FIGS. 1, 6, 8, 11-14, the surface of the wheel core 4 is coated with a polyurethane layer 10.

In one aspect of this embodiment, as shown in fig. 1-2 and 13-14, two ends of a rotating shaft 1 are both sleeved with a locking nut 8, the locking nut 8 contacts with an inner expansion block 2, the end of the rotating shaft 1 is provided with the locking nut 8, threads are machined at the matching part of the rotating shaft 1 and the nut, the locking nut 8 pushes the inner expansion block 2 to move towards the inner expansion block 3 when screwed, the outer conical surface of the inner expansion block 2 tightly supports the inner conical surface of the outer expansion block 3 to radially expand the outer expansion block 3, so as to tightly expand the inner hole of a polyurethane roller wheel core 4, and the inner expansion block 2 simultaneously clamps the rotating shaft 1.

In one aspect of this embodiment, as shown in fig. 13-14, an inner expansion block 2 is disposed on one side of a lock nut 8, and a locknut 9 is disposed on the other side of the lock nut 8, the locknut 9 is sleeved on two ends of a rotating shaft 1, the locknut 9 is installed on the end of the rotating shaft 1, and the locknut 9 is screwed to compress the lock nut 8, so as to prevent the lock nut 8 from loosening during use.

The utility model discloses to the heat conduction that current driven backing roll produced in welding process welding seam department can cause polyurethane material to destroy and backing roll on polyurethane material and polyurethane layer wearing and tearing of arbitrary polyurethane gyro wheel, ageing or take place the destruction of other forms after need a whole set of change, the high scheduling problem of cost of maintenance, the utility model provides a driven backing roll of automobile production line for the heat that produces when the polyurethane gyro wheel core of the driven backing roll of solution conventional structure and axle welding causes the problem of damage to polyurethane, and can change alone after making the polyurethane gyro wheel damage, reduce driven backing roll cost of maintenance.

The above detailed description of the embodiment of the driven supporting roller of the present invention is only for exemplary purposes, and the present invention is not limited to the above described embodiment. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.

Claims

1. The driven supporting roller for the automobile production line is characterized by comprising a rotating shaft (1) and inner expansion blocks (2) sleeved at two ends of the rotating shaft (1), wherein outer expansion blocks (3) are sleeved outside the inner expansion blocks (2), and wheel cores (4) are sleeved outside the outer expansion blocks (3); the two ends of the rotating shaft (1) penetrate through the wheel core (4), and the two ends of the rotating shaft (1) are arranged on the bearing seats (5).

2. The driven backup roll for automobile production line according to claim 1, characterized in that the outer surface of the outer swelling block (3) is formed in a cylindrical shape and the inner wall of the outer swelling block (3) is formed in a conical shape.

3. The driven supporting roller for the automobile production line according to claim 2, characterized in that the outer surface of the inner expansion block (2) is formed into a conical shape, and the conical shape of the outer surface of the inner expansion block (2) is the same as the conical taper formed by the inner wall of the outer expansion block (3); the inner surface of the inner expansion block (2) is cylindrical.

4. The driven supporting roller for the automobile production line according to claim 1, wherein a plurality of first grooves (6) are formed in the outer surface of the outer expansion block (3) at equal intervals, the plurality of first grooves (6) are all arranged along the length direction of the outer expansion block (3), and the directions of the adjacent first grooves (6) in the plurality of first grooves (6) are opposite.

5. The driven supporting roller for the automobile production line according to claim 1, wherein a plurality of second grooves (7) are formed in the outer surface of the inner expansion block (2) at equal intervals, the plurality of second grooves (7) are arranged along the length direction of the inner expansion block (2), and the directions of the adjacent second grooves (7) in the plurality of second grooves (7) are opposite.

6. The automotive production line driven backup roll according to claim 1, characterized in that the surface of the wheel core (4) is coated with a polyurethane layer (10).

7. The driven supporting roller for the automobile production line as claimed in claim 1, wherein locking nuts (8) are sleeved at both ends of the rotating shaft (1), and the locking nuts (8) are in contact with the inner expansion blocks (2).

8. The driven supporting roller for the automobile production line as claimed in claim 7, wherein the locking nut (8) is provided with the internal expansion block (2) on one side and a locknut (9) on the other side, and the locknut (9) is sleeved on two ends of the rotating shaft (1).