CN216263699U

CN216263699U - Milling micro-drill for hardware processing

Info

Publication number: CN216263699U
Application number: CN202123054839.8U
Authority: CN
Inventors: 王会君; 金洪山; 王会贤
Original assignee: Dongguan Lingmao Industrial Co ltd
Current assignee: Dongguan Lingmao Industrial Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-04-12
Anticipated expiration: 2031-12-07

Abstract

The utility model belongs to the field of drill bits, and particularly relates to a milling micro-drill for hardware processing, which comprises a micro-drill handle part and a micro-drill head part integrally formed at the lower end of the micro-drill handle part, wherein a cutter tooth groove is formed in the outer surface of the micro-drill head part, a cutter tooth plate is fixedly inserted in the cutter tooth groove, a limiting clamping plate is arranged in the cutter tooth groove, a limiting clamping groove is formed in the surface of the cutter tooth plate, the limiting clamping plate is arranged in the limiting clamping groove, a positioning baffle plate is integrally formed at one end, close to the outer surface of the micro-drill head part, of the cutter tooth plate, is attached to the outer surface of the micro-drill head part, a limiting hole is formed in the surface of the positioning baffle plate, a positioning screw is arranged in the limiting hole, a positioning screw hole is formed in the surface, close to the cutter tooth groove, of the micro-drill head part, and the end part of the positioning screw is screwed in the positioning screw hole; thereby be convenient for fix a position the sword pinion rack, be convenient for change after the sword pinion rack damages.

Description

Milling micro-drill for hardware processing

Technical Field

The utility model belongs to the technical field of drill bits, and particularly relates to a milling micro-drill for hardware machining.

Background

Drill bits with a diameter of less than 3.175mm are commonly referred to as micro-drills, micro-drills for short. For the micro-drill to function efficiently in use, a number of factors must be considered: such as various elements of the drill bit, processing parameters, hole depth, installation integrity, workpiece structure and the like. The drilling machine is a machine tool which mainly uses a drill to machine a hole on a workpiece. Typically the drill bit is rotated into a primary motion and the drill bit is moved axially into a feed motion. When the traditional micro drill is used, the cutting edge is easy to damage, and the cutter cannot be used after a single cutting edge is damaged, so that the use cost of the micro drill is increased, and the stability of the detachable cutting edge is not enough.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a milling micro-drill for hardware machining.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a little brill of milling for hardware processing, includes the little stalk portion of boring to and little stalk portion lower extreme integrated into one piece's little brill head portion of boring, the sword tooth's socket has been seted up to the surface of little brill head portion, the inside grafting of sword tooth's socket is fixed with the sword pinion rack, the inside of sword tooth's socket is provided with spacing cardboard, spacing draw-in groove has been seted up on the surface of sword pinion rack, and the inside at spacing draw-in groove is installed to spacing cardboard, the one end integrated into one piece that the sword tooth board is close to little brill head portion surface has a positioning baffle, and the surface laminating of positioning baffle and little brill head portion, spacing hole has been seted up on the surface of positioning baffle, the internally mounted in spacing hole has set screw, little brill head portion is close to the surface of sword tooth's socket and set screw's tip closes the inside at set screw soon.

According to the preferable technical scheme of the milling micro drill for hardware processing, the micro drill head is of a disc-shaped structure, the edge of the micro drill head, which is close to the micro drill handle, is a chamfer, and the surface of the micro drill head is provided with air holes in a penetrating mode.

According to the milling micro-drill optimal technical scheme for hardware machining, the limiting clamping plate is composed of a rectangle and a cylinder, and the limiting clamping plate is matched with the limiting clamping groove.

As the optimal technical scheme of the milling micro-drill for hardware processing, twelve cutter tooth grooves are formed in the surface of the head of the micro-drill.

As the optimal technical scheme of the milling micro-drill for hardware processing, the upper end of the handle part of the micro-drill is of a regular hexagon structure.

Compared with the prior art, the utility model has the beneficial effects that: through seting up the sword tooth's socket on little brill head surface, simultaneously the sword pinion rack is installed in the inside of sword tooth's socket, and the inside at spacing draw-in groove is installed to spacing cardboard, the convenience that the sword pinion rack advances line location has been increased, set screw installs in the spacing downthehole that the surface of positioning baffle was seted up simultaneously, and set screw closes soon in the location screw that little brill head surface was seted up, simultaneously sword pinion rack tip integrated into one piece's positioning baffle and the surface contact of little brill head, thereby be convenient for fix a position the sword pinion rack, be convenient for change after the sword pinion rack damages. Through the little drill bit portion for discoid structure, the bleeder vent has been seted up in the surface of little drill bit portion simultaneously to dispel the heat when being convenient for little drill bit portion rotates.

Drawings

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

In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic bottom view of the present invention;

FIG. 3 is a schematic perspective view of a micro drill bit according to the present invention;

FIG. 4 is a perspective view of a cutter tooth plate according to the present invention;

in the figure: 1. a micro-drill shank; 2. a micro-drill head; 3. a gullet; 4. a knife toothed plate; 5. a limiting clamping plate; 6. a limiting clamping groove; 7. positioning a baffle plate; 8. a limiting hole; 9. a set screw; 10. positioning the screw hole; 11. and (4) air holes.

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.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a be used for hardware processing to bore a little with milling, including boring stalk portion 1 a little, and bore 1 lower extreme integrated into one piece's little brill head portion 2 a little, sword tooth's socket 3 has been seted up to the surface of boring head portion 2 a little, the inside grafting of sword tooth's socket 3 is fixed with sword toothed plate 4, the inside of sword tooth's socket 3 is provided with spacing cardboard 5, spacing draw-in groove 6 has been seted up on the surface of sword toothed plate 4, and spacing cardboard 5 installs the inside at spacing draw-in groove 6, one end integrated into one piece that sword toothed plate 4 is close to 2 surfaces of boring head portion a little has positioning baffle 7, and positioning baffle 7 and the surface laminating of boring head portion 2 a little, spacing hole 8 has been seted up on positioning baffle 7's surface, the internally mounted of spacing hole 8 has set screw 9, boring head portion 2 a little has seted up set screw 10 on the surface of sword tooth's socket 3 a little, and set screw 9's tip closes the inside at set screw 10 soon. In this embodiment, through seting up at the sword tooth groove 3 on little brill head portion 2 surface, simultaneously sword pinion rack 4 is installed in the inside of sword tooth groove 3, and spacing cardboard 5 is installed in the inside of spacing draw-in groove 6, the convenience of carrying out the location to sword pinion rack 4 has been increased, set screw 9 is installed in spacing hole 8 that set baffle 7 surface was seted up simultaneously, and set screw 9 closes soon in the location screw 10 that little brill head portion 2 surface was seted up, simultaneously sword pinion rack 4 tip integrated into one piece's location baffle 7 and little brill head portion 2's surface contact, thereby be convenient for fix a position sword pinion rack 4, be convenient for change after sword pinion rack 4 damages. Specifically, little brill head 2 is discoid structure, and the edge that little brill head 2 is close to little brill stalk portion 1 is the chamfer, and 2 surfaces of little brill head run through and have seted up bleeder vent 11, and spacing cardboard 5 comprises rectangle and cylinder, and 6 looks adaptations of spacing cardboard 5 and spacing draw-in groove, and the sword tooth groove 3 that 2 surfaces of little brill head were seted up is provided with twelve, and the upper end of little brill stalk portion 1 is the regular hexagon structure. In this embodiment, through the little brill head portion 2 that is discoid structure, the bleeder vent 11 has been seted up in the surface of little brill head portion 2 surface penetration simultaneously to dispel the heat when being convenient for little brill head portion 2 rotates.

The working principle and the using process of the utility model are as follows: during the equipment, install sword flute 3 that 2 surfaces in little brill head portion were seted up sword fluted plate 4, spacing cardboard 5 that sets up in the sword flute 3 simultaneously is installed in spacing draw-in groove 6 that 4 surfaces of sword fluted plate were seted up, insert the spacing hole 8 that 7 surfaces of set baffle were seted up to the one end of set screw 9 in, the tip of set screw 9 closes the inside at set screw 10 soon simultaneously, in operation, the upper end of little brill stalk portion 1 is fixed with the output of drilling machine, make sword fluted plate 4 mill the work piece.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a little brill of milling for hardware processing, is including boring handle portion (1) a little to and bore little brill portion (2) of handle portion (1) lower extreme integrated into one piece a little, its characterized in that a little: a cutter tooth groove (3) is formed in the outer surface of the micro-drill head part (2), a cutter tooth plate (4) is fixedly inserted in the cutter tooth groove (3), a limiting clamping plate (5) is arranged inside the knife tooth groove (3), a limiting clamping groove (6) is arranged on the surface of the knife tooth plate (4), and the limiting clamping plate (5) is arranged inside the limiting clamping groove (6), one end of the knife toothed plate (4) close to the outer surface of the micro-drill head part (2) is integrally formed with a positioning baffle plate (7), and the positioning baffle (7) is jointed with the outer surface of the micro drill head part (2), the surface of the positioning baffle (7) is provided with a limit hole (8), a positioning screw (9) is arranged in the limiting hole (8), a positioning screw hole (10) is arranged on the surface of the micro-drill head part (2) close to the cutter tooth groove (3), and the end part of the positioning screw (9) is screwed in the positioning screw hole (10).

2. The milling micro-drill for hardware processing according to claim 1, characterized in that: the micro drill head part (2) is of a disc-shaped structure, the edge of the micro drill head part (2) close to the micro drill handle part (1) is a chamfer, and the surface of the micro drill head part (2) is provided with air holes (11) in a penetrating mode.

3. The milling micro-drill for hardware processing according to claim 1, characterized in that: the limiting clamping plate (5) is composed of a rectangle and a cylinder, and the limiting clamping plate (5) is matched with the limiting clamping groove (6).

4. The milling micro-drill for hardware processing according to claim 1, characterized in that: twelve cutter tooth grooves (3) formed in the surface of the micro-drill head part (2) are arranged.

5. The milling micro-drill for hardware processing according to claim 1, characterized in that: the upper end of the micro-drill handle part (1) is of a regular hexagon structure.