CN219074962U

CN219074962U - Processing structure for processing high-precision roller

Info

Publication number: CN219074962U
Application number: CN202223504343.0U
Authority: CN
Inventors: 张朝兴; 刘华旭; 刘旭; 梁鸿
Original assignee: Sichuan Crun Co ltd
Current assignee: Sichuan Crun Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-26
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a processing structure for processing a high-precision roller, which comprises a core neck part, a core main body and a core tail part; the core neck, the core main body and the core tail are integrally formed and arranged along a straight line, a first protective layer and a second protective layer are respectively arranged on the core main body, the first protective layer is arranged close to the core neck, the second protective layer is arranged close to the core tail, the first protective layer and the second protective layer are respectively arranged around the circumferential position of the core main body, and a stepped structure is formed between the first protective layer and the outer surface of the core main body and between the second protective layer and the outer surface of the core main body; the scheme has high positioning precision and ensures the form and position tolerance of the inner hole and the outer circle of the high-precision part.

Description

Processing structure for processing high-precision roller

Technical Field

The utility model relates to the field of roller machining, in particular to a machining structure for machining a high-precision roller.

Background

The standard is the basis of mechanical manufacturing design, manufacturing and inspection, and different processing standard selections play a decisive role in the precision of the processed products, and particularly the high-precision large-scale roller processing tool directly determines the processing quality of the products. As shown in figure 1, tolerance requirements of inner holes phi A, phi B, phi C and phi D of the large-sized high-precision roller are only 0.02mm, coaxiality requirements are only 0.03mm, the outer circle phi (more than or equal to 800) and the inner hole (phi A) are only allowed to jump, strict dynamic balance requirements are met, the quality of products can only be guaranteed, the inner holes can be machined firstly and then the outer circle can be machined by the inner holes, but in the prior art, when the roller is machined, no effective mode is adopted, errors are often caused in the inner holes, and then larger errors exist when the inner holes are positioned on the machined outer circle.

Disclosure of Invention

The utility model aims at: aiming at the problems, the processing structure for processing the high-precision roller is provided, and the problem that errors are easy to occur in processing when processing the high-precision roller is solved.

The utility model is realized by the following scheme:

a processing structure for processing a high-precision roller comprises a core neck part, a core main body and a core tail part; integrated into one piece between core neck, core main part and the core afterbody, and set up along a straight line, be provided with first inoxidizing coating and second inoxidizing coating in the core main part respectively, first inoxidizing coating is close to the core neck setting, the second inoxidizing coating is close to the core afterbody setting, and first inoxidizing coating and second inoxidizing coating encircle the circumference position setting of core main part respectively, and form the ladder structure between first inoxidizing coating and second inoxidizing coating and the core main part surface.

Based on the processing structure of the processing high-precision roller, the diameters of the first protective layer and the second protective layer are matched with the diameter of the inner cylinder of the workpiece to be processed, so that the first protective layer and the second protective layer can be assembled and fixedly abutted against the inner cylinder, and the center of the workpiece to be processed and the center of the mandrel are kept collinear all the time.

Based on the processing structure of the high-precision roller, a limiting groove is formed in the inlet of the inner cylinder to be processed, one end of the mandrel is forcedly fixed in the limiting groove by the second protective layer, meanwhile, the core neck protrudes out of the inner cylinder to be processed, and a tensioning nut and a locking nut are arranged on the core neck.

Based on the processing structure for processing the high-precision roller, the first protective layer and the second protective layer are all build-up welding copper layers.

Based on the processing structure for processing the high-precision roller, the build-up copper layer is set to be taper.

Based on the processing structure for processing the high-precision roller, the tail part of the core is provided with the fixed screw hole.

Based on the processing structure for processing the high-precision roller, the core tail protrudes out of the inner barrel.

Based on the processing structure for processing the high-precision roller, the core neck is provided with external threads matched with the tensioning nut and the locking nut.

Based on the processing structure for processing the high-precision roller, the length of the core main body is not smaller than 2 times of the length of the core neck, and the length of the core neck is not smaller than 4 times of the length of the core tail.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. the scheme has high positioning precision and ensures the form and position tolerance of the inner hole and the outer circle of the high-precision part.

2. The first inoxidizing coating and the second inoxidizing coating in this scheme are build-up welding copper layer, and build-up welding copper layer establishes to the tapering, so guarantees positioning accuracy, does not draw the work piece hole when using simultaneously.

3. The scheme can finish the processing of multiple procedures such as turning, grinding the outer circle, dynamic balance test and the like by one-time assembly.

Drawings

FIG. 1 is a schematic view of a prior art large high precision roll;

FIG. 2 is a schematic illustration of the assembled structure of the present utility model;

description of the drawings: 1. a core neck; 2. a core body; 3. a core tail; 4. a first protective layer; 5. a second protective layer; 6. a limit groove; 7. tensioning the nut; 8. a lock nut; 9. fixing the screw holes; 10. an inner cylinder; 11. and (5) a mandrel.

Detailed Description

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may include one or more of the feature, either explicitly or implicitly.

Example 1

As shown in fig. 2, the present utility model provides a technical solution:

a processing structure for processing a high-precision roller, which at least comprises, but is not limited to, a core neck part 1, a core main body 2 and a core tail part 3; integrated into one piece between core neck 1, core main part 2 and the core afterbody 3, and set up along a straight line, be provided with first inoxidizing coating 4 and second inoxidizing coating 5 on the core main part 2 respectively, first inoxidizing coating 4 is close to core neck 1 and sets up, and second inoxidizing coating 5 is close to core afterbody 3 and sets up, and first inoxidizing coating 4 and second inoxidizing coating 5 encircle the circumference position setting of core main part 2 respectively, and forms the ladder structure between first inoxidizing coating 4 and second inoxidizing coating 5 and the core main part 2 surface.

The diameters of the first protective layer 4 and the second protective layer 5 are matched with the diameter of the inner barrel 10 of the workpiece to be processed, so that the first protective layer 4 and the second protective layer 5 can be fixedly in an assembling manner and in a collision manner with the inner barrel 10, the center of the workpiece to be processed and the center of the mandrel 11 are ensured to be always kept collinear, and the later processing precision is ensured.

As an example, a limiting groove 6 is arranged at the inlet of the inner cylinder 10 to be processed, the second protective layer 5 is clamped into the limiting groove 6 to forcedly fix one end of the mandrel 11, meanwhile, the core neck 1 protrudes out of the inner cylinder 10 to be processed, and a tensioning nut 7 and a locking nut 8 are arranged on the core neck 1.

Based on the above structure, when the mandrel 11 is fixed in the inner cylinder 10, it can be restricted due to the stepped structure of the second protection layer 5, then the mandrel 11 is forcedly concentric with the center line of the inner cylinder 10 by rotating the tightening nut 7, and then the tightening state thereof is locked by the locking nut 8, so that the stability in post-processing of the outer cylinder is ensured.

As an example, the first protective layer 4 and the second protective layer 5 are both build-up copper layers, and the build-up copper layers are tapered, so that positioning accuracy is ensured, and meanwhile, the inner hole of the workpiece is not pulled during use.

As an example, the core tail 3 is provided with a fixed screw hole 9, and the moment of the grinding machine is transmitted when the workpiece is ground into an outer circle through the fixed screw hole 9, so that convenience is brought to post-processing of the workpiece.

By way of example, the core tail 3 protrudes from the inner barrel 10, so that the grinding machine is spaced from one end of the barrel to prevent damage to the barrel during machining.

By way of example, the neck 1 is provided with external threads matching the tightening nut 7 and the locking nut 8, facilitating the tightening and locking operations for the spindle 11.

As an example, the length of the core main body 2 is not less than 2 times the length of the core neck portion 1, and the length of the core neck portion 1 is not less than 4 times the length of the core tail portion 3.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A processing structure for processing a high-precision roller is characterized in that: comprises a core neck part, a core main body and a core tail part; integrated into one piece between core neck, core main part and the core afterbody, and set up along a straight line, be provided with first inoxidizing coating and second inoxidizing coating in the core main part respectively, first inoxidizing coating is close to the core neck setting, the second inoxidizing coating is close to the core afterbody setting, and first inoxidizing coating and second inoxidizing coating encircle the circumference position setting of core main part respectively, and form the ladder structure between first inoxidizing coating and second inoxidizing coating and the core main part surface.

2. A processing structure for processing a high-precision roll according to claim 1, wherein: the diameters of the first protective layer and the second protective layer are matched with the diameter of the inner cylinder of the workpiece to be processed, so that the first protective layer and the second protective layer can be assembled and fixedly abutted against the inner cylinder, and the center of the workpiece to be processed and the center of the mandrel are kept collinear all the time.

3. A processing structure for processing a high-precision roll according to claim 2, wherein: the entrance of waiting to process the inner tube is provided with the spacing groove, the second inoxidizing coating card is gone into in the spacing groove and is forced to fix the one end of dabber, simultaneously the protruding inner tube setting of waiting to process the inner tube of core neck, is provided with tensioning nut and lock nut on the core neck.

4. A process structure for processing a high-precision roll according to claim 3, wherein: the first protective layer and the second protective layer are build-up copper layers.

5. A processing structure for processing a high-precision roll according to claim 4, wherein: the build-up copper layer is set to be taper.

6. A processing structure for processing a high-precision roll according to claim 5, wherein: the tail part of the core is provided with a fixed screw hole.

7. A processing structure for processing a high-precision roll according to claim 6, wherein: the tail part of the core protrudes out of the inner cylinder.

8. A process structure for processing a high-precision roll according to claim 7, wherein: and external threads matched with the tensioning nut and the locking nut are arranged on the core neck.

9. A process structure for processing a high-precision roll according to claim 8, wherein: the length of the core main body is not less than 2 times of the length of the core neck, and the length of the core neck is not less than 4 times of the length of the core tail.