CN215804559U

CN215804559U - Hobbing cutter capable of being stacked in parallel

Info

Publication number: CN215804559U
Application number: CN202121321277.6U
Authority: CN
Inventors: 贾劲松; 贾良正
Original assignee: Anhui Songzheng Machinery Manufacturing Co ltd
Current assignee: Anhui Songzheng Machinery Manufacturing Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-02-11
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a hobbing cutter capable of being superposed in parallel, which comprises a shaft body, wherein two ends of the shaft body are respectively of a solid structure and a hollow structure, the shaft body penetrates through the center of the hobbing cutter, two ends of the hobbing cutter are respectively of a convex body structure and a concave body structure, the solid shaft body is positioned at one end of the concave body structure, the hollow shaft body is positioned at one end of the convex body structure, an inner groove is formed in the hollow shaft body, and the hollow shaft body can be combined with the solid shaft body of the other hobbing cutter.

Description

Hobbing cutter capable of being stacked in parallel

Technical Field

The utility model belongs to the technical field of shield hobbing cutters, and particularly relates to a hobbing cutter capable of being stacked in parallel.

Background

With the further acceleration of the urbanization process, the demand of the subway in China is increased year by year, and the shield technology plays an increasingly important role in the subway construction in China. The hob cutter is a cutter used for tunneling on the shield machine and used for crushing and cutting rocks, and comprises a cutter shaft, a circular end cover, a cutter hub, a cutter ring, a bearing, a floating seal and the like. For the shield machine, the small excavation diameter is a great important factor for limiting cutter distribution of a cutter head of the shield machine, so that most of the shield machines adopt a single-blade multi-distribution use method, so that an edge hob mode is formed, the distance between the hobs is large, the hobs cannot be overlapped for use to form multiple blades, and other hobs have to be used.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide rolling cutters capable of being stacked in parallel, and mainly solves the problem that the rolling cutters are large in gaps and cannot be stacked into multiple blades for use.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model provides a can be superimposed hobbing cutter side by side, is including the axis body that runs through the hobbing cutter center, the one end of axis body is solid axis body, and the hollow axis body of the other end for having the inside groove, and the both sides of hobbing cutter are concave body structure and convex body structure respectively, solid axis body is located concave body structure one end, hollow axis body is located convex body structure one end, adjacent hobbing cutter, its solid axis body and the hollow axis body that corresponds dock each other, and concave body structure and convex body structure dock each other, the axis body center has less through hole.

Further, have around the convex body structure and dismantle the rubber buffer, the rubber buffer communicates the inside roller body structure of hobbing cutter.

Further, support structures are arranged at two ends of the roller structure, a roller track groove is formed in the portion, close to the shaft body, of the roller structure, and a pressing piece plug is arranged in the portion, close to the cutting edge, of the roller structure.

Furthermore, a hob blade is clamped between the tabletting plugs, and interlayer parts are arranged at two ends of the blade.

The utility model has the following beneficial effects:

the axis body both ends variation in size, thin end axis body is solid construction, thick end axis body is hollow structure, the axis body runs through in the hobbing cutter center, the hobbing cutter both ends are convex body and concave body structure respectively, the convex body is the entity part, the concave body is hollow part, the hollow part of concave body is corresponding with the convex body, the axis body of concave body end is thin end axis body, convex body end axis body is thick end axis body, thick end axis body inner groovy is the same with thin end axis body length, the convex body can combine together with the concave body, thick end axis body inside groove can be with thin end axis body parcel, the axis body dead center has hollow structure, when the hobbing cutter superposes the use, the gas of long-pending pressure between two hobbing cutters can discharge.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1: the utility model discloses an internal cutting structure diagram.

FIG. 2: the structure of the convex body structure of the utility model.

FIG. 3: the structure of the concave body structure of the utility model.

In the drawings, the components represented by the respective reference numerals are listed below:

the rubber stopper comprises a convex body structure (1), a concave body structure (2), a rubber stopper (3), a rolling body structure (4), a supporting structure (41), a track groove (42), a cutting edge (5), a shaft body (6), a hollow shaft body (61), an inner groove (611), a solid shaft body (62), a through hole (63), a pressing sheet plug (7) and an interlayer part (8).

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

As shown in fig. 1-3: the utility model provides a hobbing cutter that can superpose side by side, includes the axis body 6 that runs through the hobbing cutter center, the one end of axis body 6 is solid axis body 62, and the other end is hollow axis body 61 that has inside groove 611, and the both sides of hobbing cutter are concave body structure 2 and convex body structure 1 respectively, solid axis body 62 is located 2 one end of concave body structure, hollow axis body 61 is located 1 one end of convex body structure, adjacent hobbing cutter, its corresponding solid axis body 62 and hollow axis body 61 dock each other, and concave body structure 2 and convex body structure 1 dock each other, axis body 6 center has less through hole 63. When the solid shaft is inserted into the internal groove of the hollow shaft, the air which cannot be discharged is provided and can be discharged through the through hole.

As shown in fig. 1: have around the convex body structure 1 and to dismantle rubber buffer 3, rubber buffer 3 communicates the inside roller structure 4 of hobbing cutter. The rubber stopper can add lubricating oil to the roller structure after being pulled out, improves life.

As shown in fig. 1: the roller structure 4 is provided with a supporting structure 41 at two ends, the part of the roller structure 4 close to the shaft body 6 is provided with a track groove 42, and the part of the roller structure 4 close to the cutting edge 5 is provided with a tabletting plug 7. The roller body can make the hob roll along the shaft body.

As shown in fig. 1: the pressing sheet plug 7 is clamped with a cutting edge 5 of the hob, and two ends of the cutting edge 5 are provided with interlayer parts 8. The pressing sheet plug is made of rubber, has certain elasticity, can buffer the impact of the blade and can clamp the blade tightly.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A hobbing cutter that can superpose side by side which characterized in that:

including axis body (6) that runs through the hobbing cutter center, the one end of axis body (6) is solid axis body (62), and the hollow axis body (61) of the other end for having inside groove (611), and the both sides of hobbing cutter are concave body structure (2) and convex body structure (1) respectively, solid axis body (62) are located concave body structure (2) one end, hollow axis body (61) are located convex body structure (1) one end, adjacent hobbing cutter, and its corresponding solid axis body (62) and hollow axis body (61) dock each other, and concave body structure (2) and convex body structure (1) dock each other, axis body (6) center has less through hole (63).

2. The roller cutter of claim 1, wherein: have around convex body structure (1) and can dismantle rubber buffer (3), rubber buffer (3) communicate hobbing cutter inside roll body structure (4).

3. The roller cutter of claim 2, wherein: the two ends of the roller structure (4) are provided with supporting structures (41), the part, close to the shaft body (6), of the roller structure (4) is provided with a track groove (42), and the part, close to the cutting edge (5), of the roller structure (4) is provided with a pressing sheet plug (7).

4. The roller cutter of claim 3, wherein: the cutting edge (5) of the hobbing cutter is clamped between the tabletting plugs (7), and interlayer parts (8) are arranged at two ends of the cutting edge (5).