CN213560079U

CN213560079U - Centering drill with chip flying prevention protection structure

Info

Publication number: CN213560079U
Application number: CN202021819014.3U
Authority: CN
Inventors: 叶忠
Original assignee: Changzhou Baoke Precision Tools Co ltd
Current assignee: Changzhou Baoke Precision Tools Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-06-29
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a centering drill with prevent flying chip protection architecture, including drilling rod, smooth portion, spiral portion, drill bit head, snubber block, shell, damping spring, the line of spiraling outward, chip groove, drill bit, interior line of spiraling, the cover body, mounting, cylinder base and through-hole. Compared with the prior art, the utility model discloses possess following beneficial effect: according to the centering drill with the chip flying prevention protection structure, through the arrangement of the cover body, chips generated during drilling can be prevented from splashing everywhere and splashing into the eye nose of a driller, so that the influence on environmental sanitation is avoided, and the cover body is utilized to prevent the chips from splashing randomly and store the chips; the cover body is made by transparent plastics, and the cost is lower, conveniently looks over the drilling condition and the degree of depth in the cover body moreover, and the cross-section of the cover body is the wide oval structure in the middle of the narrow both ends, can make the gathering that the piece is more concentrated in the middle part, avoids the piece to spill from the open end of the cover body.

Description

Centering drill with chip flying prevention protection structure

Technical Field

The utility model relates to a protection device specifically is a centering drill with prevent flying chip protection architecture.

Background

The centering drill is a tool for drilling a through hole or a blind hole in a solid material and reaming an existing hole, and a centering drill bit can be divided into rough machining and fine machining.

Traditional centering drill is provided with the cover body seldom, and the piece that the drilling produced flies the mouth nostril of the person who drills of splash into easily, causes the injury to the user, and the piece splashes everywhere moreover, influences sanitation, is difficult to clean, influences the utmost point badly.

Therefore, in response to these problems, a pilot drill with a chip-protection structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a centering is bored in order to solve above-mentioned problem and to have and prevent flying chip protection architecture.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a centering drill with a chip flying prevention protection structure comprises a drill rod and a cover body, wherein the drill rod comprises a smooth part, a spiral part and a drill blade head, the front end of the smooth part is provided with the spiral part, the front end of the spiral part is provided with the drill blade head, a cylindrical base is arranged on a shaft body of the spiral part, a chip removal groove is formed in the cylindrical base, a drill blade is arranged beside the chip removal groove, and the upper end of the drill rod is provided with the cover body;

the front end of the cover body is provided with the through-hole, the rear end of the cover body is provided with the mounting, the inside of mounting is provided with the internal rotation line, the inside of the cover body is provided with the snubber block, be provided with the shell on the snubber block, the inside of shell is provided with damping spring, the rear end of smooth portion is provided with the external rotation line.

Preferably, a cover body is arranged outside the drill rod, and the cross section of the cover body is of an oval structure with two narrow ends and a wide middle.

Preferably, the inner wall of mounting is provided with interior spiral line, and the outer wall of smooth portion is provided with the outer spiral line with interior spiral line looks adaptation, the mounting sets up to detachable construction.

Preferably, the front end of the cover body is provided with a through hole, and the cover body is made of transparent plastics.

Preferably, a chip removing groove is formed between the two drill edges and is of an arc-shaped structure.

Preferably, a damping block is arranged on one side of the lower end of the middle of the smooth part, and a damping spring is arranged inside the damping block.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. according to the centering drill with the chip flying prevention protection structure, through the arrangement of the cover body, chips generated during drilling can be prevented from splashing everywhere and splashing into the eye nose of a driller, so that the influence on environmental sanitation is avoided, and the cover body is utilized to prevent the chips from splashing randomly and store the chips; the cover body is made by transparent plastics, and the cost is lower, conveniently looks over the drilling condition and the degree of depth in the cover body moreover, and the cross-section of the cover body is the wide oval structure in the middle of the narrow both ends, can make the gathering that the piece is more concentrated in the middle part, avoids the piece to spill from the open end of the cover body.

2. This centering drill with prevent flying chip protection architecture through setting up the snubber block, and at the drill bit during operation, the vibrational force of production is great, the condition of skidding can appear, and the damping spring of snubber block inside reduces milling cutter's vibrational force through flexible elasticity, improves the work efficiency that the centering was bored.

3. This centering drill with prevent flying chip protection architecture, the mounting passes through internal thread and constitutes detachable construction between external screw thread and the smooth portion, can adjust the position of the cover body as required, makes the opening face and the drill bit of the cover body on the coplanar, when the drill bit bores into the entity, the cover can be promoted to the outer end of smooth portion, the drill bit operation of being convenient for, the practicality of improving the device.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of a drill bit of the present invention;

FIG. 3 is a schematic structural view of the inner spiral pattern of the present invention;

in the figure: 1. a drill stem; 2. a smooth portion; 3. a spiral portion; 4. drilling a blade head; 5. a damper block; 6. a housing; 7. a damping spring; 8. outward spiral lines; 9. a chip removal groove; 10. a drill edge; 11. internal spiral lines; 12. a cover body; 13. a fixing member; 14. a cylindrical base; 15. and a through hole.

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 to 3, a pilot drill with a chip-flying prevention protection structure comprises a drill rod 1 and a cover body 12, wherein the drill rod 1 comprises a smooth part 2, a spiral part 3 and a drill bit 4, the cover body 12 is arranged outside the drill rod 1, the cross section of the cover body 12 is of an oval structure with two narrow ends and a wide middle part, the spiral part 3 is arranged at the front end of the smooth part 2, the drill bit 4 is arranged at the front end of the spiral part 3, an inner spiral pattern 11 is arranged on the inner wall of a fixing part 13, an outer spiral pattern 8 matched with the inner spiral pattern 11 is arranged on the outer wall of the smooth part 2, the fixing part 13 is of a detachable structure, a cylindrical base 14 is arranged on the shaft body of the spiral part 3, a chip-removing groove 9 is arranged on the cylindrical base 14, a through hole 15 is arranged at the front end of the cover body 12, the cover body 12 is made of transparent plastic, and a drill bit 10 is arranged beside the, the upper end of drilling rod 1 is provided with the cover body 12, the front end of the cover body 12 is provided with through-hole 15, the rear end of the cover body 12 is provided with mounting 13, two be provided with chip groove 9 between the drill edge 10, chip groove 9 sets up to the arc structure, the inside of mounting 13 is provided with interior spiral line 11, the inside of the cover body 12 is provided with snubber block 5, be provided with shell 6 on the snubber block 5, middle lower extreme one side of smooth part 2 is provided with snubber block 5, the inside of snubber block 5 is provided with damping spring 7, the inside of shell 6 is provided with damping spring 7, the rear end of smooth part 2 is provided with spiral line 8 outward.

The working principle is as follows: when using this have prevent flying chip protection architecture's centering drill, at first cover body 12 cover in the outside of drilling rod 1, mounting 13 is installed to the one end of the cover body 12, the internal thread 11 of mounting 13 inner wall is connected with the external thread 8 on 2 outer walls of smooth part, mounting 13 sets up detachable construction, can adjust the position of the cover body 12 as required, make the opening face and the drill bit 4 of the cover body 12 on the coplanar, when the drill bit 4 bored the entity in, the cover body 12 can be promoted to the outer end of smooth part 2, this structure makes mounting 13 remove about on smooth part 2, the piece that the cover body 12 produced when can preventing to drill splashes everywhere.

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 pilot drill with prevent flying chip protection architecture, includes drilling rod (1) and the cover body (12), its characterized in that: the drill rod (1) comprises a smooth part (2), a spiral part (3) and a drill bit (4), the spiral part (3) is arranged at the front end of the smooth part (2), the drill bit (4) is arranged at the front end of the spiral part (3), a cylindrical base (14) is arranged on a shaft body of the spiral part (3), a chip removal groove (9) is formed in the cylindrical base (14), a drill bit (10) is arranged beside the chip removal groove (9), and a cover body (12) is arranged at the upper end of the drill rod (1);

the front end of the cover body (12) is provided with a through hole (15), the rear end of the cover body (12) is provided with a fixing part (13), the inside of the fixing part (13) is provided with an internal spiral pattern (11), the inside of the cover body (12) is provided with a damping block (5), a shell (6) is arranged on the damping block (5), the inside of the shell (6) is provided with a damping spring (7), and the rear end of the smooth part (2) is provided with an external spiral pattern (8).

2. The pilot drill with chip protection architecture of claim 1, wherein: the drill rod is characterized in that a cover body (12) is arranged outside the drill rod (1), and the cross section of the cover body (12) is of an oval structure with two narrow ends and a wide middle.

3. The pilot drill with chip protection architecture of claim 1, wherein: the inner wall of fixing piece (13) is provided with interior spiral line (11), and the outer wall of smooth portion (2) is provided with outward spiral line (8) with interior spiral line (11) looks adaptation, fixing piece (13) set up to detachable construction.

4. The pilot drill with chip protection architecture of claim 1, wherein: the cover body (12) is made of transparent plastic.

5. The pilot drill with chip protection architecture of claim 1, wherein: a chip removing groove (9) is formed between the two drill edges (10), and the chip removing groove (9) is of an arc-shaped structure.

6. The pilot drill with chip protection architecture of claim 1, wherein: the damping device is characterized in that a damping block (5) is arranged on one side of the lower end of the middle of the smooth part (2), and a damping spring (7) is arranged inside the damping block (5).