CN218015845U

CN218015845U - Novel groove cutter

Info

Publication number: CN218015845U
Application number: CN202222394491.5U
Authority: CN
Inventors: 徐虎龙; 杜景杨; 展超伟; 王团团; 赵璐旭
Original assignee: Henan Longli Construction Engineering Co ltd
Current assignee: Henan Longli Construction Engineering Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2022-12-13
Anticipated expiration: 2032-09-08

Abstract

The utility model provides a novel groove cutter belongs to groove stage property technical field, this novel groove cutter, including handle of a knife and blade body, handle of a knife and blade body are dismantled and are connected, be equipped with the cutting edge on the blade body, the blade body is including connecting handle and cutting head, be equipped with the positioning element who is used for blade body and handle of a knife to connect on the connecting handle, be equipped with reinforced structure between connecting handle and the cutting head, be equipped with the fastening member who is used for fastening blade body on the handle of a knife. The utility model has the advantages that: the blade body is provided with the reinforcing structure, so that the stress performance of the blade body can be improved on the blade body with the same thickness, and the stress performance of the blade body does not need to be improved in a mode of increasing the thickness of the blade, so that the mechanical property of the blade is met, and the thickness of the blade is reduced.

Description

Novel groove cutter

Technical Field

The utility model belongs to the technical field of the groove stage property, concretely relates to novel groove cutter.

Background

In a heat exchanger used in industries such as boilers and oil refining, a heat exchange element is mostly composed of steel pipes, the steel pipes are mostly fixedly connected in a welding manner, and in order to improve welding strength, a groove cutter is required to process a groove at the end of the steel pipe before welding. The currently used groove props comprise two types, wherein one type is that a blade and a cutter handle are integrated; the other type is a combined type of the blade and the handle, so that the blade can be quickly replaced after the blade edge is damaged, and the working efficiency is improved.

However, the existing blade is usually sheet metal, a cutting edge is arranged at the end part of the sheet metal, in order to increase the stress performance of the blade, the thickness of the sheet metal is usually increased, the phenomenon that the blade is deformed or stretched and broken due to overlarge cutting resistance is avoided, then, the blade is directly pressed and fixed on the handle by using a bolt, the blade is pressed and fixed by using the bolt due to the increase of the thickness of the blade, the strength of connection between the blade and the handle is not enough easily caused, the blade is easy to loosen or misplace, the processing quality is reduced, and even the blade is stretched and broken to hurt people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel groove cutter aims at solving current blade and the not enough problem of handle of a knife joint strength.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel groove cutting tool, includes handle of a knife and blade body, handle of a knife and blade body are dismantled and are connected, be equipped with the cutting edge on the blade body, the blade body includes coupling handle and cutting head, be equipped with the positioning element who is used for blade body and handle of a knife to connect on the coupling handle, be equipped with reinforced structure between coupling handle and the cutting head, be equipped with the fastening member who is used for fastening the blade body on the handle of a knife.

Specifically, the cutter handle is provided with a mounting groove which is the same as the blade body in shape, and the blade body can be inserted into the mounting groove.

In order to make this novel groove cutter can be quick make fastening hole and through-hole align, improve the installation effectiveness, as the utility model relates to an it is preferred, positioning element is the pterygoid lamina of setting on the connecting handle.

In order to make this novel groove cutter can increase the intensity of blade body, improve the atress performance of blade body, as the utility model relates to an it is preferred, reinforced structure is close to including setting up the floor between coupling handle and cutting head the pterygoid lamina and the cutting head fixed connection of cutting edge one side.

Preferably, the fastening part comprises a plurality of fastening holes formed in the tool holder, fastening bolts are connected to the fastening holes in an internal thread manner, and through holes for the fastening bolts to pass through are formed in the blade body.

In order to make this novel groove cutter can increase the stability that blade body and handle of a knife are connected, as the utility model relates to an it is preferred, fastening bolt inserts the one end in the fastening hole and is the toper, one side that fastening bolt is close to the head is connected with the inner wall threaded connection of fastening hole.

In order to make this novel groove cutter can further increase the mechanical properties of blade body, as the utility model relates to an it is preferred, tang and cutting head integrated into one piece.

In order to make this novel groove cutter can increase the life of blade body, as the utility model discloses a preferred, be equipped with the sharpening district on the cutting head.

In particular, the sides of the coupling shank and the cutting head adjacent the cutting edge have an upward inclination.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the blade body is provided with the reinforcing structure, so that the stress performance of the blade body can be improved on the blade body with the same thickness, and the stress performance of the blade body does not need to be improved in a mode of increasing the thickness of the blade, so that the mechanical property of the blade is met, the thickness of the blade is reduced, and the stability of the blade during clamping is improved.

2. The stress performance of the blade body during cutting is improved through the rib plates and the wing plates, the stress performance of the blade body is not increased in a mode of increasing the thickness of the blade body, and materials and resources are saved.

3. The fastening bolt penetrates through the blade body through the conical part of the fastening bolt, so that the stability of the blade body during clamping can be further improved, the blade body is prevented from being loosened in the cutting process, and the processing quality is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the installation of a thin blade body according to the background art of the present invention;

fig. 2 is a schematic view of the installation of a thick blade body according to the background art of the present invention;

fig. 3 is a schematic isometric view of an embodiment of the present invention;

fig. 4 is a schematic view of a full-section main view of an embodiment of the present invention;

FIG. 5 is an isometric view of a blade body in an embodiment of the present invention;

fig. 6 is a schematic axial view of a tool holder according to an embodiment of the present invention.

In the figure:

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a novel groove cutter, includes handle of a knife 1 and blade body 2, handle of a knife 1 and the dismantlement of blade body 2 are connected, be equipped with the cutting edge on the blade body 2, blade body 2 is including connecting handle 3 and cutting head 4, be equipped with the positioning element 5 that is used for blade body 2 and handle of a knife 1 to connect on the connecting handle 3, be equipped with reinforced structure 6 between connecting handle 3 and the cutting head 4, be equipped with the fastening member 7 that is used for fastening blade body 2 on the handle of a knife 1.

The utility model discloses an in the concrete embodiment, when using, blade body 2 can be dismantled with handle of a knife 1 through fastening part 7 and be connected, be convenient for can in time change blade body 2 after the cutting edge of blade damages, and be equipped with reinforced structure 6 on blade body 2, can improve its atress performance on the blade body 2 of the same thickness, needn't improve its atress performance with the mode that increases blade thickness again, thereby when satisfying blade mechanical properties, reduce the thickness of blade, with the stability of improvement blade when pressing from both sides tightly.

Specifically, the cutter handle 1 is provided with an installation groove 8 which is the same as the blade body 2 in shape, and the blade body 2 can be inserted into the installation groove 8; when the blade fixing device is used, the connecting handle 3 of the blade body 2 is inserted into the mounting groove 8, so that the blade body 2 is fixed conveniently.

Further, the positioning element 5 is a wing provided on the stem 3; the wing plate and the mounting groove 8 are aligned with and inserted into the corresponding part, so that the purpose of quickly positioning the blade body 2 can be achieved, and the replacement efficiency of the blade body 2 is improved.

Further, the reinforcing structure 6 comprises a rib plate arranged between the connecting shank 3 and the cutting head 4, and the wing plate on the side close to the cutting edge is fixedly connected with the cutting head 4; the blade body 2 is added through the rib plates and the wing plates, so that the fracture of the joint of the connecting shank 3 and the cutting head 4 can be effectively prevented, the stress performance of the blade body 2 during cutting is increased, the stress performance of the blade body 2 is not increased in a mode of increasing the thickness of the blade body, and materials and resources are saved.

Preferably, the fastening part 7 comprises a plurality of fastening holes 9 formed in the tool holder 1, fastening bolts 10 are connected to the fastening holes 9 through internal threads, and through holes 11 for the fastening bolts 10 to pass through are formed in the blade body 2; the fastening bolt 10 mounts the insert body 2.

Furthermore, one end of the fastening bolt 10 inserted into the fastening hole 9 is tapered, and one side of the fastening bolt 10 close to the head is in threaded connection with the inner wall of the fastening hole 9; the fastening bolt 10 penetrates through the blade body 2 through the conical part, so that the stability of the blade body 2 during clamping can be further improved, the blade body 2 is prevented from loosening in the cutting process, and the processing quality is improved.

Specifically, the connecting shank 3 and the cutting head 4 are integrally formed; the mechanical properties of the insert body 2 can be further increased.

Specifically, the cutting head 4 is provided with a sharpening area 12, so that a damaged cutting edge can be repaired in a sharpening mode, and the service life of the blade body 2 is prolonged.

In particular, the sides of the connecting shank 3 and the cutting head 4 adjacent to the cutting edge have an upward inclination; so as to increase the mechanical property of the blade body 2 and avoid the interference caused by the too close distance between the workpiece and the tool rest.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a novel groove cutting tool, includes handle of a knife (1) and blade body (2), handle of a knife (1) and blade body (2) are dismantled and are connected, be equipped with the cutting edge on blade body (2), its characterized in that, blade body (2) are including connecting handle (3) and cutting head (4), be equipped with on connecting handle (3) and be used for positioning element (5) that blade body (2) and handle of a knife (1) are connected, be equipped with reinforced structure (6) between connecting handle (3) and cutting head (4), be equipped with fastening member (7) that are used for fastening blade body (2) on handle of a knife (1).

2. The novel groove cutting tool of claim 1, wherein: the novel knife handle is characterized in that a mounting groove (8) which is the same as the blade body (2) in shape is formed in the knife handle (1), and the blade body (2) can be inserted into the mounting groove (8).

3. The novel groove cutting tool of claim 1, wherein: the positioning element (5) is a wing arranged on the connecting handle (3).

4. The novel groove cutting tool of claim 3, wherein: the reinforcing structure (6) comprises a rib plate arranged between the connecting handle (3) and the cutting head (4), and the wing plate on the side close to the cutting edge is fixedly connected with the cutting head (4).

5. The novel groove cutting tool of claim 1, wherein: the cutter is characterized in that the fastening part (7) comprises a plurality of fastening holes (9) formed in the cutter handle (1), fastening bolts (10) are connected to the fastening holes (9) in an internal thread mode, and through holes (11) for the fastening bolts (10) to penetrate through are formed in the cutter blade body (2).

6. The novel groove cutting tool of claim 5, wherein: one end of the fastening bolt (10) inserted into the fastening hole (9) is conical, and one side of the fastening bolt (10) close to the head is in threaded connection with the inner wall of the fastening hole (9).

7. The novel groove cutting tool of claim 1, wherein: the connecting handle (3) and the cutting head (4) are integrally formed.

8. The novel groove cutting tool of claim 1, wherein: the cutting head (4) is provided with a sharpening area (12).

9. The novel groove cutting tool of any one of claims 1-8, wherein: the side of the connecting shank (3) and the cutting head (4) close to the cutting edge have an upward inclination.