CN218836185U

CN218836185U - Long-edge twist drill with self-chip-removing mechanism

Info

Publication number: CN218836185U
Application number: CN202222940545.3U
Authority: CN
Inventors: 吴宏; 何建国
Original assignee: Rugao Qianjun Tools Co ltd
Current assignee: Rugao Qianjun Tools Co ltd
Priority date: 2022-11-05
Filing date: 2022-11-05
Publication date: 2023-04-11
Anticipated expiration: 2032-11-05

Abstract

The utility model discloses a long-blade twist drill with a self-chip-discharging mechanism, which comprises a positioning seat, wherein the positioning seat is used for fixing the long-blade twist drill, a base is fixedly arranged at the middle position of the bottom of the positioning seat, and a long-blade twist drill body is fixedly arranged at the bottom end of the base; the fixed first retaining ring that is equipped with of one end of base outer wall, the utility model discloses an install the positioning seat on the rig, when the downward rotation and press the long-blade twist drill body, the brush of interlude at long-blade twist drill body outer wall, second holding ring and fixing base upwards extrude, the location of the fixed locating lever that is equipped with in second holding ring top and the elastic deformation of the spring of interlude at the locating lever outer wall, make the stable protection of fixing base and second holding ring at the outer wall of long-blade twist drill body, make the long-blade twist drill body protected, reduce the damage that leads to the long-blade twist drill body, increase the practicality of long-blade twist drill body.

Description

Long-edge twist drill with self-chip-removing mechanism

Technical Field

The utility model relates to a long blade twist drill field, in particular to long blade twist drill with from chip removal mechanism.

Background

Twist drills are tools that drill round holes in a workpiece by rotary cutting thereof relative to a fixed axis. The spiral flute has 2, 3 or more flutes, but 2 flutes are most common. Twist drills can be used clamped on hand-held drilling tools, both manual and electric, or drilling, milling, turning and even machining centers. The bit material is typically high speed tool steel or cemented carbide.

To this end, chinese patent No. CN204159938U proposes a twist drill, which has a spiral chip groove through the drill body and a cutting edge at the bottom end of the drill body, and the drill handle is fixedly connected with a cylindrical mounting seat, the mounting seat has two axially extending and fitting mounting posts of the drill body towards the end of the drill body, the mounting posts are circumferentially symmetrically arranged, and the mounting posts are fixedly connected with chamfering blades through fasteners. The long-edge twist drill has the advantages of reasonable structure, long service life and the like, and in the above patents, the long-edge twist drill is easy to cause hidden troubles such as breakage and the like due to a longer reason when in use, so that the long-edge twist drill is easy to cause damage when in use, and the practicability of the long-edge twist drill is reduced, therefore, the long-edge twist drill with the self chip removal mechanism is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long-blade twist drill with from chip removal mechanism to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a long-edge twist drill with a self-chip-removing mechanism comprises a positioning seat, wherein the positioning seat is used for fixing the long-edge twist drill for use, a base is fixedly arranged in the middle of the bottom of the positioning seat, and a long-edge twist drill body is fixedly arranged at the bottom end of the base;

the fixed first retaining ring that is equipped with of one end of base outer wall, four avris of first retaining ring outer wall all alternate and are equipped with the locating lever, four the top of locating lever is all fixed and is equipped with the stopper, four the one end of locating lever outer wall all alternates and is equipped with the spring, four the bottom mounting of locating lever is equipped with the second holding ring, and the bottom of four locating levers respectively with four avris fixed connection at second holding ring top, the fixed brush that is equipped with in intermediate position of second holding ring, the inner wall of brush and the one end contact of long sword twist drill body outer wall, the bottom mounting of second holding ring is equipped with the fixing base, the inner wall of fixing base and the outer wall contact of long sword twist drill body.

Preferably, the bottom mounting of positioning seat outer wall is equipped with first solid fixed ring, four avris of first solid fixed ring bottom are all fixed and are equipped with the fixed plate, four the bottom mounting of fixed plate is equipped with the solid fixed ring of second, and the bottom of four fixed plates respectively with the solid fixed ring top of second four avris fixed connection.

Preferably, four avris of second holding ring outer wall are all fixed and are equipped with the location down tube, four the one end of location down tube is fixed and is equipped with the solid fixed ring of third, and the one end of four location down tubes respectively with four avris fixed connection of the solid fixed ring bottom of third.

Preferably, the positioning grooves are formed in the middle positions of one sides of the four fixing plates.

Preferably, four side edges of the outer wall of the third fixing ring are respectively fixedly provided with a positioning block, and the outer wall of each positioning block is connected with one end of each inner wall of the corresponding positioning groove in a sliding mode.

Preferably, two ends of the four positioning grooves are closed.

The utility model discloses a technological effect and advantage:

(1) The positioning seat is arranged on the drilling machine, when the long-edge twist drill body is rotated downwards and pressed, the brush, the second positioning ring and the fixing seat which are inserted into the outer wall of the long-edge twist drill body are extruded upwards, the fixing seat and the second positioning ring are stably protected on the outer wall of the long-edge twist drill body through the positioning of the positioning rod fixedly arranged at the top end of the second positioning ring and the elastic deformation of the spring which is inserted into the outer wall of the positioning rod, so that the long-edge twist drill body is protected, the damage to the long-edge twist drill body is reduced, and the practicability of the long-edge twist drill body is improved;

(2) Through the location of fixing the location down tube at the second holding ring outer wall for fix the solid fixed ring of third on location down tube top and slide along the inner wall of fixed plate, through the protection location of constant head tank, make second holding ring, location down tube and the solid fixed ring of third all protected and tension buffering, increase the stability of long-edge twist drill body, increase the life of long-edge twist drill body.

Drawings

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

FIG. 2 is a schematic view of a buffering structure of the long-edge twist drill body of the present invention;

fig. 3 is a schematic view of the tension buffering structure of the present invention.

In the figure: 1. positioning seats; 2. a base; 3. a long-edge twist drill body; 4. a first retaining ring; 5. a first positioning ring; 6. positioning a rod; 7. a limiting block; 8. a spring; 9. a second positioning ring; 10. a fixed seat; 11. a brush; 12. a fixing plate; 13. a second fixing ring; 14. positioning a groove; 15. a third fixing ring; 16. and positioning the diagonal rod.

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.

The first embodiment of the present invention provides a long-edge twist drill with a self chip-discharging mechanism as shown in fig. 1-3, which comprises a positioning seat 1, wherein the positioning seat 1 is used for fixing the long-edge twist drill, a base 2 is fixedly arranged at the middle position of the bottom of the positioning seat 1, and a long-edge twist drill body 3 is fixedly arranged at the bottom end of the base 2;

a first positioning ring 5 is fixedly arranged at one end of the outer wall of the base 2;

embodiment two, the utility model provides a long-edge twist drill with self-chip-discharging mechanism as shown in fig. 2, including that four avris of the outer wall of first locating ring 5 all alternate and be equipped with locating lever 6, the top of four locating levers 6 all fixedly is equipped with stopper 7, one end of the outer wall of four locating levers 6 all alternates and be equipped with spring 8, the bottom mounting of four locating levers 6 is equipped with second locating ring 9, and the bottom of four locating levers 6 respectively with the four avris fixed connection at the top of second locating ring 9, the intermediate position of second locating ring 9 is fixed and is equipped with brush 11, the inner wall of brush 11 contacts with one end of the outer wall of long-edge twist drill body 3, the bottom mounting of second locating ring 9 is equipped with fixing base 10, the inner wall of fixing base 10 contacts with the outer wall of long-edge twist drill body 3;

embodiment three, the utility model provides a long-edge twist drill with from chip removal mechanism as shown in fig. 3, bottom mounting including 1 outer wall of positioning seat is equipped with first solid fixed ring 4, four avris of 4 bottoms of first solid fixed ring all fix and are equipped with fixed plate 12, the bottom mounting of four fixed plates 12 is equipped with the solid fixed ring 13 of second, and four fixed plate 12's bottom respectively with four avris fixed connection at the solid fixed ring 13 top of second, four avris of 9 outer walls of second holding ring all fix and are equipped with location down tube 16, the fixed third solid fixed ring 15 that is equipped with of one end of four location down tube 16, and four one end of location down tube 16 respectively with four avris fixed ring 15 bottoms of third fixed ring, constant head tank 14 has all been seted up to the intermediate position of four fixed plates 12 one side, four avris of the solid fixed ring 15 outer walls of third all fix and are equipped with the locating piece, the outer wall of four locating pieces respectively with the one end sliding connection of four constant head tank 14 inner walls, the both ends of four constant head tank 14 are all sealed.

The utility model discloses the theory of operation: when long-edge twist drill body 3 needs to be used, the staff installs positioning seat 1 on the drilling machine, when rotating downwards and pressing long-edge twist drill body 3, brush 11 alternating on the outer wall of long-edge twist drill body 3, second positioning ring 9 and fixing seat 10 extrude upwards, positioning rod 6 fixed and equipped on top of second positioning ring 9 and elastic deformation alternating with spring 8 on the outer wall of positioning rod 6, make the stable protection of fixing seat 10 and second positioning ring 9 on the outer wall of long-edge twist drill body 3, make long-edge twist drill body 3 protected, reduce the damage that leads to long-edge twist drill body 3, increase the practicality of long-edge twist drill body 3, fix the location of location down tube 16 on the outer wall of second positioning ring 9, make third fixed ring 15 fixed on the top of location down tube 16 slide along the inner wall of fixed plate 12, protection location through positioning groove 14, make second positioning ring 9, location down tube 16 and third fixed ring 15 all obtain protection and tension buffering, increase the stability of long-edge twist drill body 3, increase the life of long-edge twist drill body 3.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of description and attached drawing.

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. A long edge twist drill with a self chip removing mechanism comprising:

the positioning seat (1) is used for fixing the long-edge twist drill, a base (2) is fixedly arranged in the middle of the bottom of the positioning seat (1), and a long-edge twist drill body (3) is fixedly arranged at the bottom end of the base (2);

its characterized in that, the fixed first holding ring (5) that is equipped with of one end of base (2) outer wall, four avris of first holding ring (5) outer wall all alternate and are equipped with locating lever (6), four the top of locating lever (6) is all fixed and is equipped with stopper (7), four the one end of locating lever (6) outer wall all alternates and is equipped with spring (8), four the bottom mounting of locating lever (6) is equipped with second holding ring (9), and the bottom of four locating levers (6) respectively with four avris fixed connection at second holding ring (9) top, the fixed brush (11) that is equipped with in intermediate position of second holding ring (9), the inner wall of brush (11) and the one end contact of long-edge twist drill body (3) outer wall, the bottom mounting of second holding ring (9) is equipped with fixing base (10), the inner wall of fixing base (10) and the outer wall contact of long-edge twist drill body (3).

2. The long-edge twist drill with the self chip removal mechanism according to claim 1, wherein a first fixing ring (4) is fixed at the bottom end of the outer wall of the positioning seat (1), fixing plates (12) are fixed at all four sides of the bottom of the first fixing ring (4), a second fixing ring (13) is fixed at the bottom end of each of the four fixing plates (12), and the bottom ends of the four fixing plates (12) are respectively fixedly connected with the four sides of the top of the second fixing ring (13).

3. The long-edge twist drill with the self-chip-removal mechanism according to claim 1, wherein the four sides of the outer wall of the second positioning ring (9) are respectively fixedly provided with a positioning diagonal rod (16), one end of each of the four positioning diagonal rods (16) is fixedly provided with a third fixing ring (15), and one end of each of the four positioning diagonal rods (16) is respectively fixedly connected with the four sides of the bottom of the third fixing ring (15).

4. The long-edge twist drill with the self-chip-removal mechanism according to claim 2, wherein a positioning groove (14) is formed in the middle of one side of each of the four fixing plates (12).

5. The long-edge twist drill with the self-chip-removal mechanism according to claim 3, wherein the positioning blocks are fixedly arranged on four sides of the outer wall of the third fixing ring (15), and the outer walls of the four positioning blocks are respectively connected with one end of the inner wall of the four positioning grooves (14) in a sliding manner.

6. A long edge twist drill with a self chip removing mechanism according to claim 4, characterized in that the four positioning slots (14) are closed at both ends.