CN213560087U

CN213560087U - Assembled twist drill for deep hole machining

Info

Publication number: CN213560087U
Application number: CN202022293927.2U
Authority: CN
Inventors: 徐昕
Original assignee: Changzhou Hao Rui Tools Co ltd
Current assignee: Changzhou Hao Rui Tools Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-06-29
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses an assembled fluted drill is used in deep hole processing, including fluted drill, chip groove, hydrojet mouth, drill bit, cutting edge, connection base, first draw-in groove, first screw, water column connecting hole, dead lever, second draw-in groove, second screw, cardboard, fixed orifices and fastening screw. The utility model has the advantages that: spout liquid mouth and fluted drill's inside cavity through connection, and be the equidistance formula setting in the chip groove, and constitute heliciform structure, guarantee that the device can in time wash the sweeps in the hole when carrying out deep hole processing, the cardboard is "concave" word form, and through the protruding formula structure and the first draw-in groove at both ends about it, the spacing butt joint of second draw-in groove, make cardboard and draw-in groove quick location butt joint, the top of dead lever is provided with protruding water injection post, the dead lever passes through water injection post and water column connecting hole butt joint, and then with the butt joint of connecting the base location, guarantee that the dead lever can be quick and accurate location butt joint with the connection base.

Description

Assembled twist drill for deep hole machining

Technical Field

The utility model relates to an assembled fluted drill specifically is an assembled fluted drill is used in deep hole processing, belongs to assembled fluted drill technical field.

Background

The common twist drill is a hole machining tool which is widely applied, the diameter range is usually 0.25-80 mm, the common twist drill is composed of a working part and a handle part, the working part is provided with two spiral grooves which are shaped like twist, so the name is obtained, in order to reduce the friction between a guide part and a hole wall during drilling, the diameter of the twist drill is gradually reduced from a drill point to the handle part and is in an inverted cone shape, the spiral angle of the common twist drill mainly influences the size of a front angle on a cutting edge, the strength of a blade and the chip removal performance, the spiral grooves are usually 25-32 degrees, the spiral grooves can be machined by methods such as milling, grinding, hot rolling or hot extrusion, and the front end of a drill bit forms a cutting part after.

Because present deep hole machining generally needs to use the fluted drill, therefore, then need a deep hole machining to satisfy the demand on the market at present with assembled fluted drill, although multiple assembled fluted drill has been produced on the market at present, nevertheless overall view, but still there are a lot of common faults, one of which, the connection structure of current assembled fluted drill is mostly too complicated, lead to it can't carry out quick installation and dismantlement, its two, most do not set up the washing liquid spout on the current assembled fluted drill, lead to carrying out deep hole machining, can't in time wash the sweeps, cause the jam.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an assembled fluted drill is used in deep hole processing just in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: an assembled twist drill for deep hole processing comprises a twist drill, a chip removing groove, a liquid spraying opening, a drill bit, a cutting edge, a connecting base, a first clamping groove, a first screw hole, a water column connecting hole, a fixing rod, a second clamping groove, a second screw hole, a clamping plate, a fixing hole and a fastening screw; the twist drill is vertically fixed at the top of the connecting base, the chip removing groove is spirally arranged on the side wall of the twist drill in an inwards concave mode, the liquid spraying ports are formed in the inner wall of the chip removing groove, the drill bit is welded and fixed at the top end of the twist drill, the cutting edge is arranged on the side wall of the twist drill, the connecting base is connected at the top end of the fixing rod, the first clamping groove is arranged on the left side and the right side of the connecting base in an inwards concave mode, the first screw hole is arranged at the center of the first clamping groove in an inwards concave mode, the water column connecting hole is arranged at the center of the bottom of the connecting base in an inwards concave mode and is communicated with an inner cavity of the twist drill, the fixing rod is arranged at the bottom of the connecting base, the second clamping groove is arranged on the left side and the right side of the side wall of the top end of the fixing rod in an inwards concave mode, the second screw, the fixing hole is arranged in a penetrating mode.

Preferably, in order to ensure that the device can timely wash scraps in the holes during deep hole machining, the liquid spraying port is communicated with the inner cavity of the twist drill and is arranged in the chip removing groove in an equidistant mode to form a spiral structure.

Preferably, in order to enable the clamping plate to be in rapid positioning butt joint with the clamping groove, the clamping plate is in a concave shape and is in limit butt joint with the first clamping groove and the second clamping groove through protruding structures at the upper end and the lower end of the clamping plate.

Preferably, in order to guarantee that the fixing rod can be in quick and accurate positioning butt joint with the connection base, the top end of the fixing rod is provided with a protruding water injection column, and the fixing rod is in butt joint with a water column connecting hole through the water injection column and then is in positioning butt joint with the connection base.

Preferably, in order to enable the device to be rapidly disassembled when in use and accelerate the working efficiency, the fixing rod penetrates through the fixing hole through a fastening screw and is screwed and locked with the first screw hole and the second screw hole, and then is detachably connected with the connecting base.

The utility model has the advantages that: the assembled twist drill has reasonable design, the liquid spraying port is communicated with the inner cavity of the twist drill and is arranged in the chip removing groove in an equidistant mode to form a spiral structure, the waste chips in the holes can be washed in time when the device is used for deep hole processing, the clamping plate is in a concave shape and is in limit butt joint with the first clamping groove and the second clamping groove through the convex structures at the upper end and the lower end, the clamping plate is in rapid positioning butt joint with the clamping grooves, the top end of the fixing rod is provided with a convex water injection column, the fixing rod is in butt joint with the water column connecting hole through the water injection column and is in positioning butt joint with the connecting base, the fixing rod and the connecting base can be rapidly and accurately positioned and butted, the fixing rod passes through the fixing hole through a fastening screw and is locked with the first screw hole and the second screw hole through screwing, and is further detachably connected with the connecting base, and the device can be rapidly, the working efficiency is accelerated.

Drawings

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

fig. 2 is a schematic view of a local structure of the present invention.

In the figure: 1. twist drill, 2, chip groove, 3, hydrojet mouth, 4, drill bit, 5, cutting edge, 6, connection base, 7, first draw-in groove, 8, first screw, 9, water column connecting hole, 10, dead lever, 11, second draw-in groove, 12, second screw, 13, cardboard, 14, fixed orifices and 15, fastening screw.

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. 1-2, an assembled twist drill for deep hole processing includes a twist drill 1, a chip removing groove 2, a liquid spraying port 3, a drill 4, a cutting edge 5, a connecting base 6, a first clamping groove 7, a first screw hole 8, a water column connecting hole 9, a fixing rod 10, a second clamping groove 11, a second screw hole 12, a clamping plate 13, a fixing hole 14 and a fastening screw 15; the twist drill 1 is vertically fixed at the top of the connecting base 6, the chip removing groove 2 is an inward concave type screw arranged on the side wall of the twist drill 1, the liquid spraying port 3 is arranged on the inner wall of the chip removing groove 2, the drill 4 is welded and fixed at the top end of the twist drill 1, the cutting edge 5 is arranged on the side wall of the twist drill 1, the connecting base 6 is connected at the top end of the fixing rod 10, the first clamping groove 7 is inward concave type arranged at the left side and the right side of the connecting base 6, the first screw hole 8 is inward concave type arranged at the center of the first clamping groove 7, the water column connecting hole 9 is inward concave type arranged at the center of the bottom of the connecting base 6 and is communicated with the inner cavity of the twist drill 1, the fixing rod 10 is arranged at the bottom of the connecting base 6, the second clamping groove 11 is inward concave type arranged at the left side and the right side of the side wall at the top end of the fixing rod 10, the second, the clamping plate 13 is vertically clamped and fixed at the joint between the connecting base 6 and the fixing rod 10, and the fixing hole 14 is arranged in a penetrating manner.

The liquid spraying port 3 is communicated with an inner cavity of the twist drill 1 and is arranged in the chip removing groove 2 in an equidistant mode to form a spiral structure, the waste chips in the holes can be washed in time when the device is used for deep hole processing, the clamping plate 13 is in a concave shape and is in limit butt joint with the first clamping groove 7 and the second clamping groove 11 through the convex structures at the upper end and the lower end of the clamping plate, the clamping plate 13 is in rapid positioning butt joint with the clamping grooves, the top end of the fixing rod 10 is provided with a convex water injection column, the fixing rod 10 is in butt joint with the water column connecting hole 9 through the water injection column and is further in positioning butt joint with the connecting base 6, the fixing rod 10 is ensured to be in rapid and accurate positioning butt joint with the connecting base 6, the fixing rod 10 penetrates through the fixing hole 14 through a fastening screw 15 and is screwed and locked with the first screw hole 8 and the second screw hole 12 and is further, make the device can carry out quick dismantlement when using for work efficiency.

The working principle is as follows: when the assembly type twist drill is used, the fixing rod 10 is firstly butted with the water column connecting hole 9 through the water injection column, and then is in positioning butt joint with the connecting base 6, then the clamping plate 13 is in limiting butt joint with the first clamping groove 7 and the second clamping groove 11 through the protruding structures at the upper end and the lower end of the clamping plate 13, so that the clamping plate 13 is in rapid positioning butt joint with the clamping grooves, then the clamping plate 13 penetrates through the fixing hole 14 through the fastening screw 15 and is screwed and locked with the first screw hole 8 and the second screw hole 12, and then the fixing rod 10 and the connecting base 6 are in butt joint and fixed.

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 deep hole processing is with assembled fluted drill which characterized in that: the spiral drill bit comprises a spiral drill (1), chip removing grooves (2), a liquid spraying opening (3), a drill bit (4), a cutting edge (5), a connecting base (6), a first clamping groove (7), a first screw hole (8), a water column connecting hole (9), a fixing rod (10), a second clamping groove (11), a second screw hole (12), a clamping plate (13), a fixing hole (14) and a fastening screw (15); the twist drill (1) is vertically fixed at the top of a connecting base (6), the chip removing groove (2) is an inward concave type spiral and is arranged on the side wall of the twist drill (1), the liquid spraying port (3) is arranged on the inner wall of the chip removing groove (2), the drill bit (4) is welded and fixed at the top end of the twist drill (1), the cutting edge (5) is arranged on the side wall of the twist drill (1), the connecting base (6) is connected at the top end of a fixing rod (10), the first clamping groove (7) is arranged at the left side and the right side of the connecting base (6) in an inward concave manner, the first screw hole (8) is arranged at the center of the first clamping groove (7) in an inward concave manner, the water column connecting hole (9) is arranged at the center of the bottom of the connecting base (6) in an inward concave manner and is connected with the inner cavity of the twist drill (1) in a penetrating manner, the fixing rod (10) is arranged at the bottom of the, the second clamping groove (11) is arranged on the left side and the right side of the side wall of the top end of the fixing rod (10) in an inwards concave mode, the second screw hole (12) is formed in the center of the second clamping groove (11), the clamping plate (13) is vertically clamped and fixed at the joint between the connecting base (6) and the fixing rod (10), and the fixing hole (14) is arranged in a penetrating mode.

2. The fabricated twist drill for deep hole machining according to claim 1, wherein: the liquid spraying port (3) is communicated with an inner cavity of the twist drill (1) and is arranged in the chip removing groove (2) in an equidistant mode to form a spiral structure.

3. The fabricated twist drill for deep hole machining according to claim 1, wherein: the clamping plate (13) is concave and is in limit butt joint with the first clamping groove (7) and the second clamping groove (11) through convex structures at the upper end and the lower end of the clamping plate.

4. The fabricated twist drill for deep hole machining according to claim 1, wherein: the top of dead lever (10) is provided with protruding formula water injection post, and dead lever (10) dock through water injection post and water column connecting hole (9), and then with connecting base (6) location butt joint.

5. The fabricated twist drill for deep hole machining according to claim 1, wherein: the fixing rod (10) penetrates through the fixing hole (14) through a fastening screw (15) and is screwed and locked with the first screw hole (8) and the second screw hole (12), and then is detachably connected with the connecting base (6).