CN211588573U

CN211588573U - Welding blade

Info

Publication number: CN211588573U
Application number: CN201922284652.3U
Authority: CN
Inventors: 雷君; 李和鑫; 江亚军; 王永强; 王彬彬; 黄红卫
Original assignee: Funik Ultrahard Material Co Ltd
Current assignee: Funik Ultrahard Material Co Ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-29
Anticipated expiration: 2029-12-18

Abstract

The utility model relates to a welding blade, welding blade includes the base member, is provided with the mounting groove in the position department that will install the tool bit on the base member, and the mounting groove has and treats the anastomotic face of weld of welded tool bit shape, on the thickness direction of the base member of perpendicular to welding blade, two relative groove wall faces of mounting groove incline towards the outside respectively. According to the technical scheme, the welding strength and the holding force between the tool bit of the welding blade and the base body of the welding blade can be improved, the quality of the welding blade is improved, and the service life of the welding blade is ensured.

Description

Welding blade

Technical Field

The utility model belongs to the technical field of the welding blade, concretely relates to welding blade.

Background

Polycrystalline cubic boron nitride has high hardness, good thermal conductivity and excellent chemical stability, is often used as a cutting tool material, is suitable for processing various hardened steels, wear-resistant cast irons and high-temperature alloys, and cannot meet the requirements of industrial development trend of the traditional integral polycrystalline blades along with the continuous improvement of the requirements of reducing the production cost and improving the production efficiency in the field of mechanical processing. At present, polycrystalline cubic boron nitride welding cutters taking hard alloy as a matrix are widely applied, and for the welding of the hard alloy cutters, the manufacturing quality mainly depends on the welding strength and the grinding quality of hard alloy blades. Therefore, the welding strength of the cutter is improved, the holding force of the superhard material cutter head and the hard alloy substrate is increased, and the method has important significance for further improving the quality of the cutter, prolonging the service life of the cutter and improving the precision of a processed workpiece.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can increase the welding blade of the power of controlling between tool bit and the base member.

In order to achieve the above object, the utility model discloses a welding blade's technical scheme is:

the welding blade includes:

the tool bit welding device comprises a base body, a welding head and a welding head, wherein a mounting groove is arranged at a position where the tool bit is to be mounted, and the mounting groove is provided with a welding surface matched with the shape of the tool bit to be welded;

the cutter head is welded and fixed in the mounting groove;

two opposite groove wall surfaces of the mounting groove are respectively inclined toward the outside in a thickness direction perpendicular to the base body of the welding blade.

Has the advantages that: because two opposite groove wall surfaces of the mounting groove respectively incline towards the outer side in the thickness direction of the base body vertical to the welding blade, the sectional area of the mounting groove in the thickness direction of the base body vertical to the welding blade is increased, and the welding contact area between the tool bit and the base body is correspondingly increased when the tool bit is welded and fixed in the mounting groove, so that the welding strength between the base body and the tool bit is improved, a larger holding force is formed between the tool bit and the base body, and the quality of the welding blade is improved; in addition, the length of the cutting edge can be adjusted, so that the welding blade can be suitable for different machining working conditions, and the universality and the service life of the welding blade are effectively improved.

Further, the mounting groove is a through groove.

Has the advantages that: when the mounting groove is a through groove, the thickness of the corresponding tool bit to be welded is the depth of the through groove, so that the welding strength between the tool bit and the base body can be improved to the maximum extent, and the tool bit and the base body are not easy to separate.

Furthermore, a fillet is arranged between the groove wall and the groove bottom of the mounting groove.

Has the advantages that: compare with the mounting groove that is straight connection between cell wall and the tank bottom, set up the fillet and can increase the mounting groove at the ascending cross-sectional area of the thickness direction of the base member of perpendicular to welding blade between cell wall and the tank bottom, can improve the welding area of contact between tool bit and the base member promptly, guarantee welding strength between the two and hold power between the two.

Furthermore, the base body uses a triangular piece as a base material, and each corner is provided with the mounting groove.

Has the advantages that: the used base body has the advantages of minimum material, simplest structure and more convenient processing.

Furthermore, the base body takes a hexagonal piece as a base material, the lengths of all sides of the hexagonal piece are equal, and the mounting groove is arranged at the position where the inner angle of the hexagonal piece is an acute angle.

Has the advantages that: the production and manufacturing requirements of the welding blade with the hexagonal base material section can be met, and meanwhile, the strength of the whole welding blade after the cutter head is installed is guaranteed.

Drawings

Fig. 1 is a schematic structural view of embodiment 1 of a welding blade according to the present invention;

fig. 2 is a schematic view of a welding blade according to embodiment 2 of the present invention (a tool bit is not shown);

fig. 3 is a schematic view of embodiment 3 of the welding blade according to the present invention (the tool bit is not shown).

Description of reference numerals: 1-substrate, 2-tool bit, 3-mounting groove, 4-groove wall, 5-groove bottom, 6-fillet, 7-positioning hole, 8-substrate, 9-mounting groove, 10-substrate and 11-mounting groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the application, i.e., the embodiments described are only a subset of, and not all embodiments of the application. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The following describes embodiments of the present invention with reference to the accompanying drawings.

The utility model discloses a welding blade's embodiment 1:

as shown in fig. 1, the welding blade includes a base body 1 and a tool bit 2, the base body 1 is a cemented carbide base body, the tool bit 2 is a polycrystalline cubic boron nitride tool bit, a mounting groove 3 is provided at a position on the base body 1 where the tool bit 2 is to be mounted, in this embodiment, the mounting groove 3 is a through groove, a groove wall surface and a groove bottom surface of the mounting groove 3 are welding surfaces matched with the shape of the tool bit 2, and the tool bit 2 is welded and fixed in the mounting groove 3 in a brazing manner.

In the thickness direction perpendicular to the base body 1, both side groove walls 4 of the mounting groove 3 are inclined outward to form a flared shape, so that the cross-sectional area of the mounting groove 3 in the thickness direction perpendicular to the base body 1 is increased, and when the tool bit 2 is welded to the base body 1, the welding contact area between the tool bit 2 and the base body 1 can be increased, thereby improving the welding strength therebetween and increasing the holding force therebetween.

All be equipped with between the both sides cell wall 4 of mounting groove and the tank bottom 5 radius angle 6, radius angle 6 can increase the area of contact between tool bit 2 and the base member 1.

The central position of the base body is provided with a positioning hole 7 for positioning and welding the blade.

In this embodiment, the base 1 uses a hexagonal plate as a base material, the sides of the hexagonal plate are equal, and the hexagonal plate has a symmetrical structure. The installation groove 3 is arranged at the position where the inner angle of the hexagonal piece is an acute angle, so that the use strength of the whole welding blade is ensured to the maximum extent. Through bending strength test, the utility model discloses a tool bit intensity is 3500N.

The utility model discloses a have higher bonding strength and great power of controlling between welding blade's tool bit and the base member, can avoid the tool bit too early to drop because of the welding is not firm in high-speed machining in-process, strengthen the shock resistance and the wear resistance of whole welding blade, guarantee welding blade's life.

The utility model discloses a welding blade's embodiment 2:

as shown in fig. 2, this embodiment is different from embodiment 1 described above in that: the base body 8 takes a triangular piece as a base material, and mounting grooves 9 are formed in three corners.

The utility model discloses a welding blade's embodiment 3:

as shown in fig. 3, this embodiment is different from embodiment 1 described above in that: the base body 10 takes a diamond-shaped sheet as a base material, and a mounting groove 11 is arranged at the position where two opposite inner angles of the diamond-shaped sheet are acute angles.

The utility model discloses a welding blade's embodiment 4:

this embodiment differs from the above embodiment 1 in that: the base member uses the rectangle piece as the substrate, all is equipped with the mounting groove in four corners department.

The utility model discloses a welding blade's embodiment 5:

this embodiment differs from the above embodiment 1 in that: the mounting groove in the embodiment is not a through groove, so that the thickness of the tool bit matched with the mounting groove is reduced to a certain extent, but the use strength of the whole welding blade in work is not influenced.

The above description is only a preferred embodiment of the present application, and not intended to limit the present application, the scope of the present application is defined by the appended claims, and all changes in equivalent structure made by using the contents of the specification and the drawings of the present application should be considered as being included in the scope of the present application.

Claims

1. A welding blade comprising:

the cutter head is welded and fixed in the mounting groove;

the welding blade is characterized in that two opposite groove wall surfaces of the mounting groove are respectively inclined towards the outer side in the thickness direction perpendicular to the base body of the welding blade.

2. The welding blade according to claim 1, wherein the mounting slot is a through slot.

3. The welding blade of claim 1, wherein a rounded corner is provided between the groove wall and the groove bottom of the mounting groove.

4. The welding blade according to any one of claims 1 to 3, wherein the base body is a base material of a triangular piece, and the mounting groove is provided at each corner.

5. The welding blade according to any one of claims 1 to 3, wherein the base body has a hexagonal piece as a base material, each side of the hexagonal piece has the same length, and the mounting groove is provided at a position where an inner angle of the hexagonal piece is an acute angle.