CN214053771U

CN214053771U - Drill bit replaceable taper shank twist drill

Info

Publication number: CN214053771U
Application number: CN202023295149.7U
Authority: CN
Inventors: 鄂福大
Original assignee: Baidafumei Intelligent Technology Jiangsu Co ltd
Current assignee: Baidafumei Intelligent Technology Jiangsu Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-27
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a but drill bit substitution taper shank twist drill, including twist drill, chip groove, first washing liquid spout, drill bit, second washing liquid spout, connection taper shank, spacing groove, location screw, gasket, screw thread post, inlet and connecting hole. The utility model has the advantages that: the whole heliciform structure that constitutes of chip groove, and the surface spraying at the chip groove has one deck anti-sticking coating, prevent the sweeps adhesion in the chip groove, lead to the sweeps to block up the chip groove, first washing liquid spout is arranged along heliciform chip groove equidistance, and with the inside cavity through connection of fluted drill, the first washing liquid spout that arranges through the heliciform, and then can wash the sweeps in the chip groove, prevent to block up, it moulds plastics through high-purity stainless steel and constitutes the toper structure to connect the taper shank, and be provided with multiple model, and every is connected the taper shank and all has different morse's tapering, can change the connection taper shank of different models as required and use.

Description

Drill bit replaceable taper shank twist drill

Technical Field

The utility model relates to a taper shank twist drill specifically is a but drill bit substitution taper shank twist drill belongs to taper shank twist drill technical field.

Background

The taper shank twist drill is a hole machining tool which is most widely applied, generally has a diameter range of 0.25-80 mm, and mainly comprises a working part and a shank part, wherein the working part is provided with two spiral grooves which are shaped like a twist, so that the taper shank twist drill is different from a straight shank twist drill, the shank part of the taper shank twist drill is tapered, the taper shank twist drill is widely used for machining hole finished products and semi-finished products as a common cutting tool for hole machining, statistics shows that more than half of high-speed steel cutters produced in China are drills, wherein the taper shank twist drill occupies a certain number, so that the machining process and the machining method of the taper shank twist drill are required to be further analyzed, and the manufacturing process of the high-speed steel twist drill can be generally divided into rolling, milling, extruding, twisting, rolling, grinding and the like, wherein the four methods of rolling, milling, rolling and grinding are common.

The taper shank twist drill is widely applied, so that the requirement of the taper shank twist drill with a replaceable drill bit is needed to meet the requirement on the market at present, although various taper shank twist drills are produced on the market at present, a lot of common problems still exist in general view, firstly, an anti-sticking coating is not sprayed in a chip removing groove of the existing taper shank twist drill, so that scraps can be adhered in the chip removing groove during milling, and secondly, the existing taper shank twist drill is mostly of an integrated structure, so that workers cannot replace taper shanks of different models according to requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a but drill bit alternate form taper shank twist drill in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a drill bit replaceable taper shank twist drill comprises a twist drill, a chip removing groove, a first cleaning liquid nozzle, a drill bit, a second cleaning liquid nozzle, a connecting taper shank, a limiting groove, a positioning screw hole, a gasket, a threaded column, a liquid inlet and a connecting hole; the fluted drill is connected and is fixed on the top of connecting the taper shank, the chip groove is the indent formula and sets up on the lateral wall of fluted drill, first washing liquid spout is the indent formula and sets up in the chip groove, the drill bit sets up the top at the fluted drill, second washing liquid spout sets up the top center department at the fluted drill to with the inside cavity through connection of fluted drill, it is located the bottom of fluted drill to connect the taper shank, the spacing groove is the indent formula and sets up on the lateral wall top of connecting the taper shank, the location screw is located the center department of spacing groove, gasket nested connection is on the screw thread post, the vertical bottom center department at the fluted drill of fixing of screw thread post, the inlet is located the bottom center department of connecting the taper shank, the connecting hole is located the top center department of connecting the taper shank to through connection with the inlet.

Preferably, in order to prevent the scraps from adhering to the inside of the chip removing groove and blocking the chip removing groove by the scraps, the chip removing groove is integrally formed into a spiral structure, and an anti-adhesion coating is sprayed on the outer surface of the chip removing groove.

Preferably, in order to further flush the scraps in the chip removal groove and prevent blockage through the first cleaning liquid nozzles arranged in a spiral manner, the first cleaning liquid nozzles are arranged at equal intervals along the spiral chip removal groove and are communicated with the inner cavity of the twist drill.

Preferably, in order to replace the connection taper shank of different models as required and use, the connection taper shank is moulded plastics through high-purity stainless steel and is constituted the toper structure to be provided with multiple model, and every connection taper shank all has different morse's tapering.

Preferably, in order to change the connection taper shank of different models, can be fixed through threaded post with its and fluted drill high-speed joint to sealing effect through the gasket prevents that the washing liquid from revealing, the fluted drill is twisted with the connecting hole through the threaded post and is connected, and then is to dismantle with connecting the taper shank and be connected, and sealed through the gasket.

Preferably, in order to ensure that the connection taper shank can be quickly limited and fixed when being connected with an external fixed rod piece, the left side and the right side of the limiting groove and the positioning screw hole are symmetrically arranged, the connection taper shank is limited and fixed with the external fixed rod piece through the limiting groove and is screwed and locked with the positioning screw hole through screws.

The utility model has the advantages that: the taper shank twist drill is reasonable in design, the chip removing grooves integrally form a spiral structure, an anti-sticking coating is sprayed on the outer surface of the chip removing grooves to prevent scraps from being adhered in the chip removing grooves to block the chip removing grooves, the first cleaning liquid nozzles are arranged at equal intervals along the spiral chip removing grooves and communicated with an inner cavity of the twist drill, the scraps in the chip removing grooves can be washed through the first cleaning liquid nozzles arranged spirally to prevent blockage, the connection taper shanks form the taper structure through injection molding of high-purity stainless steel, the taper shank twist drill is provided with multiple types, each connection taper shank has different Morse tapers, the connection taper shanks of different types can be replaced according to requirements for use, the twist drill is connected with the connection holes through threaded columns in a screwing mode and is further detachably connected with the connection taper shanks and sealed through gaskets, when the connection taper shanks of different types are replaced, can be fixed with its and fluted drill high-speed joint through the screw thread post to sealed effect through the gasket prevents that the washing liquid from revealing, all is symmetrical formula setting about spacing groove, the location screw, and connects the taper shank and pass through spacing groove and external fixed member piece spacing fixed, and twist soon with the location screw through the screw and twist the locking, guarantees to connect the taper shank when being connected with external fixed member piece, can be fast spacing fixed.

Drawings

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

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

fig. 3 is a schematic top view of the connecting taper shank of the present invention.

In the figure: 1. the spiral drill comprises a spiral drill body, 2 chip removing grooves, 3 first cleaning liquid nozzles, 4 drill bits, 5 second cleaning liquid nozzles, 6 connecting taper handles, 7 limiting grooves, 8 positioning screw holes, 9 gaskets, 10 threaded columns, 11 liquid inlets, 12 connecting holes and connecting holes.

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 drill bit replaceable taper shank twist drill includes a twist drill 1, a chip removal groove 2, a first cleaning liquid nozzle 3, a drill bit 4, a second cleaning liquid nozzle 5, a connecting taper shank 6, a limiting groove 7, a positioning screw hole 8, a gasket 9, a threaded column 10, a liquid inlet 11 and a connecting hole 12; the twist drill 1 is fixedly connected with the top end of a connecting taper shank 6, a chip removing groove 2 is arranged on the side wall of the twist drill 1 in an inwards concave mode, a first cleaning liquid nozzle 3 is arranged in the chip removing groove 2 in the inwards concave mode, the drill bit 4 is arranged at the top end of the twist drill 1, a second cleaning liquid nozzle 5 is arranged at the top end center of the twist drill 1 and is communicated with the inner cavity of the twist drill 1, the connecting taper shank 6 is positioned at the bottom of the twist drill 1, a limiting groove 7 is arranged at the top end of the side wall of the connecting taper shank 6 in an inwards concave mode, a positioning screw hole 8 is positioned at the center of the limiting groove 7, a gasket 9 is connected on a threaded column 10 in an embedded mode, the threaded column 10 is vertically fixed at the bottom center of the twist drill 1, a liquid inlet 11 is positioned at the bottom center of the connecting taper shank 6, a connecting hole 12 is positioned at the top center of the connecting taper shank 6, and is communicated with the liquid inlet 11.

The whole chip removing groove 2 forms a spiral structure, an anti-sticking coating is sprayed on the outer surface of the chip removing groove 2, scraps are prevented from being adhered in the chip removing groove 2, the scraps are led to block the chip removing groove 2, the first cleaning liquid nozzle 3 is arranged along the spiral chip removing groove 2 at equal intervals and is communicated with an inner cavity of the twist drill 1, the scraps in the chip removing groove 2 can be washed through the first cleaning liquid nozzle 3 arranged spirally, the blockage is prevented, the connecting taper shank 6 forms a conical structure through injection molding of high-purity stainless steel and is provided with various models, each connecting taper shank 6 has different Morse tapers, the connecting taper shanks 6 of different models can be replaced according to requirements for use, the twist drill 1 is connected with the connecting hole 12 in a rotating mode through a threaded column 10 and is detachably connected with the connecting taper shank 6 and is sealed through a gasket 9, when changing the connection taper shank 6 of different models, can be fixed with its and fluted drill 1 high-speed joint through screw post 10 to sealed effect through gasket 9 prevents that the washing liquid from revealing, all be symmetrical formula setting about spacing groove 7, the location screw 8, and connect taper shank 6 through spacing groove 7 with external fixed member piece spacing fixed, and twist soon with location screw 8 through the screw and twist the locking, guarantee to connect taper shank 6 when being connected with external fixed member piece, can be fast spacing fixed.

The working principle is as follows: when using this taper shank fluted drill, earlier select the connection taper shank 6 of suitable model as required, then twist drill 1 and connecting hole 12 through screw post 10 and revolve to twist and be connected, and then be connected fixedly with connecting taper shank 6, and seal through gasket 9, prevent that the washing liquid from revealing, then will connect taper shank 6 through spacing groove 7 with external fixed rod spare spacing fixed, and through the screw with the location screw 8 revolve twist the locking can, when milling, the washing liquid is through connecting 1 inside cavity of twist drill of taper shank 6 flow through, and through first washing liquid spout 3, second washing liquid spout 5 carry out the water spray wash can.

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 but drill bit substitution taper shank twist drill which characterized in that: the cleaning device comprises a twist drill (1), a chip removing groove (2), a first cleaning liquid nozzle (3), a drill (4), a second cleaning liquid nozzle (5), a connecting taper shank (6), a limiting groove (7), a positioning screw hole (8), a gasket (9), a threaded column (10), a liquid inlet (11) and a connecting hole (12); the top of fixing in connecting taper shank (6) is connected in fluted drill (1), chip groove (2) are the indent formula and set up on the lateral wall of fluted drill (1), first washing liquid spout (3) are the indent formula and set up in chip groove (2), drill bit (4) set up the top at fluted drill (1), second washing liquid spout (5) set up the top center department at fluted drill (1) to be connected with the inside cavity through connection of fluted drill (1), it is located the bottom of fluted drill (1) to connect taper shank (6), spacing groove (7) are the indent formula and set up the lateral wall top of connecting taper shank (6), location screw (8) are located the center department of spacing groove (7), gasket (9) nested connection is on screw thread post (10), screw thread post (10) are vertical to be fixed in the bottom center department of fluted drill (1), the liquid inlet (11) is positioned at the center of the bottom of the connecting taper shank (6), and the connecting hole (12) is positioned at the center of the top of the connecting taper shank (6) and is communicated with the liquid inlet (11).

2. The twist drill with replaceable drill bit as claimed in claim 1, wherein: the chip removing groove (2) integrally forms a spiral structure, and an anti-sticking coating is sprayed on the outer surface of the chip removing groove (2).

3. The twist drill with replaceable drill bit as claimed in claim 1, wherein: the first cleaning liquid nozzles (3) are arranged along the spiral chip removing grooves (2) at equal intervals and are communicated with an inner cavity of the twist drill (1).

4. The twist drill with replaceable drill bit as claimed in claim 1, wherein: the connecting taper shank (6) is formed into a taper structure through injection molding of high-purity stainless steel, and is provided with various models, and each connecting taper shank (6) has different Morse tapers.

5. The twist drill with replaceable drill bit as claimed in claim 1, wherein: twist drill (1) revolves soon with connecting hole (12) through screw thread post (10) and is connected, and then is to dismantle with connecting taper shank (6) and be connected to it is sealed through gasket (9).

6. The twist drill with replaceable drill bit as claimed in claim 1, wherein: the limiting groove (7) and the positioning screw hole (8) are symmetrically arranged left and right, the connecting taper shank (6) is limited and fixed with the external fixing rod piece through the limiting groove (7), and the connecting taper shank and the positioning screw hole (8) are screwed and locked through screws.