CN212144047U

CN212144047U - Indentation-free forming roller

Info

Publication number: CN212144047U
Application number: CN202020483536.4U
Authority: CN
Inventors: 王保林; 刘武荣
Original assignee: Shanxi Xingdatong Electromechanical Equipment Co ltd
Current assignee: Shanxi Xingdatong Electromechanical Equipment Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-12-15
Anticipated expiration: 2030-04-07

Abstract

The utility model relates to a non-indentation forming roller, which comprises a roller wheel, a bearing, a roller shaft, a baffle cover and an oil cup; the roller is a steel-plastic composite, a bearing is arranged at the core part, the bearing is arranged between the roller and a roller shaft, two ends of the bearing are provided with baffle covers, sealing elements are arranged in the baffle covers, the inner ring of the bearing is arranged in the middle of the roller shaft, the roller shaft supports the cylindrical roller bearing and the roller to position the roller, and an oil cup is arranged on the end surface of the roller shaft and can be used for periodically filling lubricating grease to the bearing part; the utility model discloses an improvement to the roller structure, simple structure, convenient operation, the damage of shaping roller to aluminum surface when effectively having solved preparation aluminum alloy spiral pipe makes the running roller rotate in a flexible way, alleviates frictional force between running roller and the aluminum plate, further reduces extrusion and fish tail to the aluminum plate, has reached the aluminum alloy spiral pipe outside surface no indentation of making, has effectively improved the surface quality of aluminum alloy spiral pipe.

Description

Indentation-free forming roller

Technical Field

The utility model relates to an aluminum alloy spiral welded tube production technical field, concretely relates to indentation technique is exempted from of aluminum alloy spiral welded tube.

Background

In the process of manufacturing the aluminum alloy spiral pipe, the aluminum plate is forcibly rolled into a cylinder shape by a forming roller. The forming roller inevitably forms extrusion and friction with the aluminum plate during the forming process. Traditional forming roll is more than alloy steel preparation surface hardness HRC50, is higher than aluminum plate surface hardness far away, and theoretically forming roll surface contacts with aluminum plate surface a bit, will lead to the fact extrusion and the friction of certain degree to aluminum plate surface, causes aluminum plate surface's indentation to the indentation that forms the different degree on the aluminum pipe surface of making, this kind of condition has become the normality of preparation aluminum alloy spiral pipe, forms very big restriction to aluminum alloy spiral pipe outward appearance quality, the urgent need change current situation.

In the prior art, the shape of the outer surface of a forming roller is improved and the contact area is increased aiming at the damage of the forming roller to the surface of an aluminum alloy plate in the forming process of an aluminum alloy spiral pipe, and the method still has limitations, not only causes large material consumption and influences the surface quality, but also can only reduce the surface indentation to a limited extent, but can not eliminate the indentation and can not solve the problem fundamentally.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an exempt from indentation forming roll through the redesign to the forming roll structure, has effectively prevented the damage of forming roll to the aluminum alloy plate surface in the aluminum alloy spiral pipe forming process, guarantees the surface quality that the aluminum alloy spiral pipe advances, provides technical guarantee for the improvement of the surface quality in the aluminum alloy spiral pipe production.

The technical scheme of the utility model is that: comprises a roller, a bearing, a roller shaft, a baffle cover, an oil cup and a lubricating channel;

the roller comprises a roller core part and a rim, wherein the rim is arranged on the outer side of the roller core part, the roller core part is made of steel, and the rim is made of a non-metal elastomer;

a lubricating channel is arranged in the roll shaft, the lubricating channel is arranged in a cross shape and is respectively parallel to and perpendicular to the roll shaft, one end of the roll shaft is provided with an oil cup, and the oil cup is screwed on the roll shaft and is communicated with the lubricating channel;

the bearing is arranged between the roller and the roller shaft, the inner ring of the bearing is arranged in the middle of the roller shaft, and the two sides of the bearing are sleeved with the symmetrical blocking covers;

and a sealing element is arranged at the joint of the outer circumference of the stop cover and the roller core part.

Furthermore, the rim of the roller is made of TPE or TPR non-metallic elastomer;

further, the bearing is a tapered roller bearing;

furthermore, the stop cover is of a circular ring type structure and is connected with the roller core part in an I-shaped nested manner.

The utility model has the advantages of it is following:

1. the novel structure of the roller can bear the bending force for forcibly bending the aluminum plate into the aluminum pipe with the required diameter, and has certain elasticity, so that the surface of the forming roller is thoroughly improved to damage the aluminum alloy plate surface while enough forming force is guaranteed to be borne, and the surface quality of the aluminum alloy spiral pipe is effectively improved.

2. The roller is installed between the roller and the roller shaft through the bearing and is installed in the structural mode of the roller core part, so that the roller can flexibly rotate, the friction scratch of the roller and an aluminum plate is eliminated, the abrasion degree of the surface elastomer of the roller is greatly reduced, and the durability of the roller is improved.

3. The sealing element is arranged in the blocking cover, so that external dust can be prevented from entering the tapered roller bearing, internal lubricating grease can be prevented from overflowing, the utilization rate of the lubricating grease is improved, friction is further reduced, and deformation resistance is reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the baffle plate set of the present invention;

in the figure: 1. the roller comprises a roller 11, a roller core 12, a roller outer edge 2, a bearing 3, a roller shaft 4, a baffle cover 5, an oil cup 6 and a lubricating channel 6.

Detailed Description

The contents of the present invention will be further described with reference to specific embodiments, but the embodiments are only preferred embodiments of the present invention, so that all equivalent changes made by the features and principles described in the claims of the present invention are included in the claims of the present invention.

As shown in figures 1-2, the non-indentation forming roller comprises a roller 1, a roller core 11, a roller outer edge 12, a bearing 2, a roller shaft 3, a baffle cover 4, an oil cup 5 and a lubricating channel 6;

the roller 1 is a steel-plastic composite body and comprises a roller core part 11 and a rim 12, wherein the roller core part 11 is a steel roller core, the rim 12 is a non-metal elastomer, the non-metal elastomer is poured outside the roller core part 11 by adopting a high-temperature melting process, the surface hardness of the elastomer needs to reach HV95, the hardness can bear the bending force required by forcibly bending an aluminum plate, the aluminum plate can be bent into an aluminum pipe with the required diameter by forcing, the roller surface contacting the aluminum plate has certain deformation due to elasticity while bearing the forming bending force, the point contact is changed into surface contact, and the surface of the aluminum plate is prevented from being crushed; the roller core part 11 is provided with the bearing 2, the two ends of the bearing 2 are provided with the baffle covers 4, sealing elements are arranged inside the baffle covers 4, the inner ring of the bearing 2 is arranged on the roller shaft 3, the bearing 2 is arranged between the roller 1 and the roller shaft 3, the end parts of the roller shaft 3 are provided with the oil cups 5, lubricating grease can be regularly filled to lubricate the parts of the bearing 2 through the lubricating channels 6, so that the roller 1 flexibly rotates, the friction force between the roller 1 and an aluminum plate is further reduced, the extrusion and scratch to the aluminum plate are further reduced, and the service life of the roller 1 is prolonged.

The utility model provides an in an embodiment of exempting from indentation shaping roller, the 12 materials of rim of running roller 1 are TPE or TPR's non-metallic elastomer, when guaranteeing to bear enough forming force, have thoroughly improved the damage of shaping roller surface to the aluminum alloy face, have effectively improved the surface quality of aluminum alloy spiral pipe.

The utility model provides an in an embodiment of an exempt from indentation forming roll, 1 inside settings of running roller is tapered roller bearing, reduces the frictional resistance of running roller greatly, is favorable to improving the life of forming roll.

The utility model provides an in an embodiment of exempting from indentation shaping roller, keep off lid 4 and the nested connection structure of adoption "worker" word of running roller core 11 for ring type structure.

The utility model discloses a working process:

as shown in fig. 1, in the manufacturing process of the aluminum alloy spiral pipe, the aluminum plate is forcibly rolled into a cylinder shape by the forming roller, extrusion and friction can be generated between the surface of the forming roller and the aluminum plate in the forming process, so that indentation appears on the surface of the aluminum plate, the utility model discloses an improvement of the structure of the forming roller, the wheel rim 12 is set as a non-metal elastomer, and is poured outside the roller core part 11 by adopting a high-temperature melting process, the surface hardness of the elastomer needs to reach HV95 to bear the bending force required by forcibly bending the aluminum plate, the roller surface contacting the aluminum plate has a certain degree of deformation due to elasticity, and the point contact is changed into surface contact, so that the surface of the aluminum; the relative rotation between the roll shaft 3 and the roller 1 is realized through the arranged bearing 2, so that the roller 1 can flexibly rotate, the friction scratch of the roller 1 and an aluminum plate is eliminated, the abrasion degree of an elastomer on the surface of the roller 1 is greatly reduced, and the durability of the roller 1 is improved; sealing elements are arranged in the blocking covers 4 on the two sides of the bearing 2 to block external dust from entering the bearing 2 and prevent lubricating grease injected into the bearing from overflowing through the oil cup 5, so that the service life of the forming roller is further prolonged; as shown in fig. 2, the baffle cover 4 is designed to be a circular ring structure, and is connected with the roller core 11 in an i-shaped nested manner, so that a certain axial positioning effect is achieved, and meanwhile, the sealing performance is also improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A non-indentation forming roller is characterized in that: comprises a roller (1), a bearing (2), a roller shaft (3), a baffle cover (4), an oil cup (5) and a lubricating channel (6);

the roller (1) comprises a roller core part (11) and a rim (12), wherein the rim (12) is arranged on the outer side of the roller core part (11), the roller core part (11) is made of steel, and the rim (12) is made of a non-metal elastomer;

a lubricating channel is arranged in the roll shaft (3), the lubricating channel is arranged in a cross shape and is respectively parallel to and perpendicular to the roll shaft direction, one end of the roll shaft (3) is provided with an oil cup (5), and the oil cup (5) is screwed on the roll shaft (3) and is communicated with the lubricating channel;

the bearing (2) is arranged between the roller (1) and the roller shaft (3), the inner ring of the bearing (2) is arranged in the middle of the roller shaft (3), and the two sides of the bearing (2) are sleeved with the symmetrical blocking covers (4);

and a sealing element is arranged at the joint of the outer circumference of the baffle cover (4) and the roller core part (11).

2. The indentation-free forming roll according to claim 1, wherein: the wheel rim (12) of the roller (1) is made of TPE or TPR non-metal elastomer.

3. The indentation-free forming roll according to claim 1, wherein: the bearing (2) is a tapered roller bearing.

4. The indentation-free forming roll according to claim 1, wherein: the baffle cover (4) is of a circular ring structure and is connected with the roller core part (11) in an I-shaped nested manner.