CN209920879U

CN209920879U - Boss type multilayer drill bit for stone carving of brazing

Info

Publication number: CN209920879U
Application number: CN201920535920.1U
Authority: CN
Inventors: 庄政伟; 庄敏伟
Original assignee: FUNLIN SUPER HARD TOOLS Co Ltd
Current assignee: FUNLIN SUPER HARD TOOLS Co Ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-01-10
Anticipated expiration: 2029-04-19

Abstract

The utility model discloses a boss type drill bit for multi-layer brazing stone carving, which comprises a bottom end part and a tool shank, the upper end of the bottom end part is provided with a knife handle, the bottom end part is connected with the knife handle through integral welding, the upper end of the top end part of the knife handle, the outer periphery of the top end part is provided with a composite working layer, the composite working layer and the top end part are fixedly connected by brazing, in the utility model, the upper end of the top end part of the drill bit for carving is provided with a boss-shaped part, thus the original single-layer structure of the drill bit for carving is changed into the existing double-layer structure, and the composite brazing technology is adopted, so that the double-layer structure is more stable and compact, the service life of the drill bit for carving cannot be shortened due to too fast abrasion when the drill bit for carving works, thereby solved current drill bit for the sculpture be single-layer construction so can receive the problem that wearing and tearing lead to life to reduce during operation.

Description

Boss type multilayer drill bit for stone carving of brazing

Technical Field

The utility model belongs to the technical field of machine parts is relevant, concretely relates to boss type multilayer drill bit for stone carving of brazing.

Background

The stone carving tool is a special tool applied to the numerical control stone carving tool. The special properties of the stone determine that the stone graver has to have the characteristics of high structural strength, high wear resistance and the like. Therefore, the common advertisement knife on the market is not applicable to the stone.

The prior drill bit technology for carving has the following problems: the existing drill bits for carving are generally of a single-layer structure, and are relatively sharp when in use, but the single-layer structure is worn in long-time work, so that the drill bit can be failed due to the wear of the single-layer structure on the surface, and the service life of the drill bit can be reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a boss type multilayer drill bit for stone carving of brazing to current drill bit for sculpture that proposes in solving above-mentioned background art can so make the problem that leads to the life to reduce receiving wearing and tearing in the working period for single layer construction.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a boss type multilayer drill bit for stone carving of brazing, includes bottom portion and handle of a knife, the upper end of bottom portion is provided with the handle of a knife, bottom portion passes through whole welded connection with the handle of a knife, the upper end top portion of handle of a knife, outside a week in top portion is provided with the composite work layer, the composite work layer is through brazing fixed connection with top portion, the upper end in top portion is provided with boss type portion.

Preferably, the constitution in top portion is including main part, link, concave part and connecting seat, the upper end of connecting seat is provided with the main part, the table end of the outside a week of main part is provided with the concave part, the upper end of main part is provided with the link, top portion passes through the connecting seat and passes through whole welded connection with the handle of a knife.

Preferably, the constitution of boss type portion is including first boss, second boss, level and smooth end and fixing base, the inside parcel of the lower extreme of first boss has the second boss, the lower extreme of second boss is provided with level and smooth end, the lower extreme of leveling the end is provided with the fixing base, boss type portion passes through fixing base and top portion welded connection.

Preferably, the first boss and the second boss are both of a raised cylindrical structure, the radius of the first boss is one point eight millimeters, the radius of the second boss is one point three millimeters, and the width of the first boss is five or five millimeters wider than the width of the second boss.

Preferably, the height of the boss-shaped part is four points and five millimeters, the diameter of the cross section of the boss-shaped part is three points and eight millimeters, and the boss-shaped part is made of a copper-nickel alloy material.

Preferably, the bottom end portion is a circular truncated cone-shaped structure with an inclination angle of forty-five degrees, the cross-sectional diameter of the largest side of the bottom end portion is eight millimeters, and the cross-sectional diameter of the smallest end of the bottom end portion is six millimeters.

Preferably, the top portion is a circular truncated cone-shaped structure, the cross-sectional diameter of the upper end of the top portion is three points eight millimeters, the cross-sectional diameter of the lower end of the top portion is six points eight millimeters, and the height of the top portion is twenty millimeters.

Preferably, the handle of a knife is the cylinder structure, the handle of a knife adopts the copper-nickel alloy material to make, the cross-section diameter of handle of a knife is eight millimeters, the height of handle of a knife is forty millimeters, the outside of handle of a knife adopts polishing treatment.

Compared with the prior art, the utility model provides a boss type multilayer drill bit for stone material sculpture of brazing possesses following beneficial effect: the utility model discloses in be provided with a boss type portion through the upper end at the top portion of this drill bit for sculpture, through the setting of boss type portion, make this drill bit for sculpture be current bilayer structure by original individual layer structure change like this, and through adopting compound brazing technique, make bilayer structure more stable closely knit, can make this drill bit for sculpture can not lead to this drill bit for sculpture because of wearing and tearing the life who too fast reduces like this at the during operation, thereby solved current drill bit for sculpture can make so for the individual layer structure can receive the problem that wearing and tearing lead to life to reduce like this during operation.

Drawings

FIG. 1 is a schematic view of a finished product of the drill for engraving of the present invention;

FIG. 2 is a schematic structural view of a matrix of the drill for engraving of the present invention;

FIG. 3 is a schematic view of the top end portion of the present invention;

FIG. 4 is a schematic view of the structure of the boss portion of the present invention;

in the figure: 1. a bottom end portion; 2. a knife handle; 3. compounding a working layer; 4. a tip portion; 41. a main body; 42. a connecting end; 43. a groove part; 44. a connecting seat; 5. a boss-shaped portion; 51. a first boss; 52. a second boss; 53. flattening the end; 54. a fixed seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-4, the present invention provides a technical solution: the utility model provides a boss type multilayer drill bit for stone material sculpture of brazing, including bottom portion 1 and handle of a knife 2, the upper end of bottom portion 1 is provided with handle of a knife 2, bottom portion 1 and handle of a knife 2 are through whole welded connection, the upper end top portion 4 of handle of a knife 2, the outside a week of top portion 4 is provided with compound working layer 3, thereby can make to braze between first boss 51 and second boss 52 and have compound working layer 3, can make this boss type multilayer drill bit for stone material sculpture of brazing by original individual layer structure change for current bilayer structure like this, compound working layer 3 is through brazing fixed connection with top portion 4, the upper end of top portion 4 is provided with boss type portion 5.

Further, the top portion 4 is composed of a main body 41, a connecting end 42, a groove portion 43 and a connecting seat 44, the main body 41 is arranged at the upper end of the connecting seat 44, the groove portion 43 is arranged at the surface end of the outer side of the main body 41 in a circle, the groove portion 43 enables the composite working layer 3 to be connected through brazing better, the connecting end 42 is arranged at the upper end of the main body 41, and the top portion 4 is connected with the tool holder 2 through integral welding through the connecting seat 44.

Further, the constitution of boss type portion 5 is including first boss 51, second boss 52, level and smooth end 53 and fixing base 54, and the inside parcel of lower extreme of first boss 51 has second boss 52, and the lower extreme of second boss 52 is provided with level and smooth end 53, and the lower extreme of leveling end 53 is provided with fixing base 54, and fixing base 54 can be so that boss type portion 5 can be better with top portion 4 be connected, and boss type portion 5 passes through fixing base 54 and top portion 4 welded connection.

Further, the first boss 51 and the second boss 52 are both of a raised cylindrical structure, the radius of the first boss 51 is one point eight millimeters, the radius of the second boss 52 is one point three millimeters, and the width of the first boss 51 is greater than the width of the second boss 52 by zero five millimeters, so that the single-layer structure can be changed into a double-layer structure through the difference of zero five millimeters.

Further, the height of the boss-shaped part 5 is four points and five millimeters, the diameter of the cross section of the boss-shaped part 5 is three points and eight millimeters, the boss-shaped part 5 is made of copper-nickel alloy materials, and the abrasion resistance of the boss-shaped multi-layer drill bit for carving the brazing stone is improved.

Further, the bottom end portion 1 is a truncated cone-shaped structure with an inclination angle of forty-five degrees, so that the convex-table-shaped multi-layer drill for brazing stone carving can be fixedly connected better, the section diameter of the largest side of the bottom end portion 1 is eight millimeters, and the section diameter of the smallest end of the bottom end portion 1 is six millimeters.

Further, the tip portion 4 has a circular truncated cone-shaped configuration, the cross-sectional diameter of the upper end of the tip portion 4 is three points eight millimeters, and the cross-sectional diameter of the lower end of the tip portion 4 is six points eight millimeters, so that the tip portion 4 can be operated more favorably, and the height of the tip portion 4 is twenty millimeters.

Further, handle of a knife 2 is the cylinder structure, and handle of a knife 2 adopts the copper-nickel alloy material to make to can improve handle of a knife 2's tightness, make handle of a knife 2 can not take place the phenomenon of rupture when carrying out the work, the cross-section diameter of handle of a knife 2 is eight millimeters, and handle of a knife 2 highly is forty millimeters, and handle of a knife 2's outside adopts the polishing to handle.

The utility model discloses a theory of operation and use flow: when the boss type multi-layer drill bit for brazing stone carving is used, the stone carving machine is taken out and placed on one side of a stone to be carved, then a power supply is switched on, the boss type multi-layer drill bit for brazing stone carving is correctly installed inside an installation column at the lower end of the carving machine, then a power switch of the carving machine is switched on, so that the boss type multi-layer drill bit for brazing stone carving works, a boss type part 5 is arranged at the upper end of a top end part 4 of the boss type multi-layer drill bit for brazing stone carving, and a composite working layer 3 is brazed between a first boss 51 and a second boss 52 through the arrangement of the boss type part 5, so that the boss type multi-layer drill bit for brazing stone carving is changed into an existing double-layer structure from an original single-layer structure, and an original integral structure made of copper is changed into an existing copper-nickel alloy material, increased this boss type multilayer abrasion resistance of drill bit for stone material sculpture of brazing like this for boss type multilayer is brazed the firmness of drill bit for stone material sculpture is improved, can increase the wear-resisting rate like this when using, can make this boss type multilayer drill bit for stone material sculpture of brazing can not lead to the life reduction of this boss type multilayer drill bit for stone material sculpture of brazing at the during operation because of wearing and tearing the overfast like this.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a boss type multilayer drill bit for stone carving of brazing, includes bottom portion (1) and handle of a knife (2), its characterized in that: the upper end of bottom portion (1) is provided with handle of a knife (2), bottom portion (1) is through whole welded connection with handle of a knife (2), upper end top portion (4) of handle of a knife (2), the outside a week of top portion (4) is provided with composite work layer (3), composite work layer (3) is through brazing fixed connection with top portion (4), the upper end of top portion (4) is provided with boss type portion (5).

2. The drill bit for engraving the multi-layer brazing stone of the boss type as claimed in claim 1, wherein: the structure of top portion (4) is including main part (41), link (42), recess portion (43) and connecting seat (44), the upper end of connecting seat (44) is provided with main part (41), the surface end of the outside a week of main part (41) is provided with recess portion (43), the upper end of main part (41) is provided with link (42), top portion (4) are through whole welded connection through connecting seat (44) and handle of a knife (2).

3. The drill bit for engraving the multi-layer brazing stone of the boss type as claimed in claim 1, wherein: the constitution of boss type portion (5) is including first boss (51), second boss (52), level and smooth end (53) and fixing base (54), the inside parcel of the lower extreme of first boss (51) has second boss (52), the lower extreme of second boss (52) is provided with and levels end (53), the lower extreme of leveling end (53) is provided with fixing base (54), boss type portion (5) are through fixing base (54) and top portion (4) welded connection.

4. The drill bit for engraving the multi-layer brazing stone of the boss type as claimed in claim 3, wherein: the first boss (51) and the second boss (52) are both of a raised cylindrical structure, the radius of the first boss (51) is one point eight millimeters, the radius of the second boss (52) is one point three millimeters, and the width of the first boss (51) is greater than the width of the second boss (52) by zero five millimeters.

5. The drill bit for engraving the multi-layer brazing stone of the boss type as claimed in claim 1, wherein: the height of the boss-shaped part (5) is four points and five millimeters, the diameter of the cross section of the boss-shaped part (5) is three points and eight millimeters, and the boss-shaped part (5) is made of a copper-nickel alloy material.

6. The drill bit for engraving the multi-layer brazing stone of the boss type as claimed in claim 1, wherein: the bottom end part (1) is of a round table-shaped structure with an inclination angle of forty-five degrees, the section diameter of the largest side of the bottom end part (1) is eight millimeters, and the section diameter of the smallest end of the bottom end part (1) is six millimeters.

7. The drill bit for engraving the multi-layer brazing stone of the boss type as claimed in claim 1, wherein: top portion (4) are round platform column structure, the cross-sectional diameter of top portion (4) upper end is three point eight millimeters, the cross-sectional diameter of the lower extreme of top portion (4) is six point eight millimeters, the height of top portion (4) is twenty millimeters.

8. The drill bit for engraving the multi-layer brazing stone of the boss type as claimed in claim 1, wherein: the improved metal wire cutting tool is characterized in that the tool handle (2) is of a cylindrical structure, the tool handle (2) is made of a copper-nickel alloy material, the diameter of the cross section of the tool handle (2) is eight millimeters, the height of the tool handle (2) is forty millimeters, and the outer portion of the tool handle (2) is polished.