CN216151205U

CN216151205U - Alloy positioning drill with centering function

Info

Publication number: CN216151205U
Application number: CN202121961434.XU
Authority: CN
Inventors: 叶忠
Original assignee: Changzhou Baoke Precision Tools Co ltd
Current assignee: Changzhou Baoke Precision Tools Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-04-01
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses an alloy positioning drill with centering function, which comprises a milling column, a chip removing groove, a centering drill bit, a base, a water spraying hole, a first fixing disc, a fixing hole, a water injection cavity, a positioning hole, a gasket, a water injection column, a positioning column and a fastening screw. The utility model has the beneficial effects that: milling the whole tungsten steel material preparation of adopting of post and constituting the columnar structure, and top welded fastening who mills the post has toper centering bit, and centering bit and the surface spraying of milling the post have one deck CNC coating, guarantee the whole rigidity of this location brill, and make this location brill can fix a position the probing when milling through centering bit, it is provided with the chip groove to be the heliciform on the lateral wall of post to mill, the top of base is provided with the hole for water spraying, the hole for water spraying is located the bottom of chip groove, and be provided with the water injection chamber in the inside center department of base, the water injection chamber link up with the hole for water spraying, the top center department of connecting rod is provided with the water injection post, spray the washing liquid through the hole for water spraying, and then wash the sweeps in the chip groove fast.

Description

Alloy positioning drill with centering function

Technical Field

The utility model relates to a positioning drill, in particular to an alloy positioning drill with centering, and belongs to the technical field of positioning drills.

Background

Twist drills are tools that drill round holes in a workpiece by rotary cutting thereof about a fixed axis. The drill bit is named because the chip flutes are helical and shaped like a twist, and the variety of twist drills is large, wherein when directional drilling is needed, the drill bit needs to be operated through a positioning drill, and therefore, the positioning drill is needed.

However, most of the existing positioning drills have various problems:

1) most of the existing positioning drills are made of steel materials, and a centering drill bit is not fixed at the top end of the positioning drill, so that the positioning drill is insufficient in integral rigidity, easy to damage, incapable of directional drilling and easy to cause deviation during drilling;

2) most do not set up the orifice on the current location bores, can produce a large amount of sweeps when milling, and the sweeps causes easily in the chip groove of removing bits to pile up, can't wash the sweeps through the orifice water spray.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide an alloy positioning drill with centering.

The utility model realizes the purpose through the following technical scheme: an alloy pilot drill with centering, comprising:

the milling mechanism is composed of milling columns, and the milling columns of the round columnar structures for milling form a main body structure of the alloy positioning drill;

the connecting mechanism is connected and fixed to the bottom of the milling mechanism, the base is vertically welded and fixed to the bottom of the milling column, and the connecting rod with the diameter equal to that of the bottom of the base is vertically connected and fixed to the bottom of the base.

As a still further scheme of the utility model: the milling column is integrally made of tungsten steel to form a columnar structure, a conical centering drill is welded and fixed to the top end of the milling column, and a layer of CNC coating is sprayed on the outer surfaces of the centering drill and the milling column.

As a still further scheme of the utility model: the milling column is characterized in that a chip removal groove is spirally formed in the side wall of the milling column, a water spray hole is formed in the top of the base and located at the bottom of the chip removal groove, a water injection cavity is formed in the center of the inner portion of the base and communicated with the water spray hole, and a water injection column is arranged at the center of the top end of the connecting rod.

As a still further scheme of the utility model: the bottom of base and the top of connecting rod level welded fastening respectively have first fixed disk and second fixed disk, all run through on first fixed disk and the second fixed disk and be provided with the fixed orifices, revolve to twist in the fixed orifices and be connected with fastening screw to attached being fixed with the gasket on the second fixed disk.

As a still further scheme of the utility model: the periphery of the water injection cavity is provided with positioning holes, the periphery of the water injection column is provided with four positioning columns, and the positioning holes and the positioning columns are arranged in a front-back left-right symmetrical mode and are arranged in a one-to-one correspondence mode.

As a still further scheme of the utility model: the side wall of the connecting rod is provided with four limiting grooves which are of arc structures and are symmetrically arranged around the center of the connecting rod.

The utility model has the beneficial effects that:

1) the milling column is integrally made of tungsten steel to form a columnar structure, a conical centering drill is fixedly welded at the top end of the milling column, and a CNC coating is sprayed on the outer surfaces of the centering drill and the milling column, so that the integral rigidity of the positioning drill is ensured, and the positioning drill can be positioned and drilled during milling through the centering drill;

2) the side wall of the connecting rod is provided with four limiting grooves which are of arc structures and are symmetrically arranged front and back, left and right by taking the circle center of the connecting rod as the center, so that the connecting rod and the external machine tool can be quickly in limiting butt joint;

3) a chip removing groove is spirally formed in the side wall of the milling column, a water spraying hole is formed in the top of the base and is located at the bottom of the chip removing groove, a water injection cavity is formed in the center of the inner portion of the base and is communicated with the water spraying hole, a water injection column is arranged in the center of the top end of the connecting rod, and cleaning liquid is sprayed through the water spraying hole to quickly flush the waste chips in the chip removing groove;

4) the bottom of the base and the top end of the connecting rod are respectively and horizontally welded and fixed with a first fixing disc and a second fixing disc, fixing holes are formed in the first fixing disc and the second fixing disc in a penetrating mode, fastening screws are screwed and connected in the fixing holes, and a gasket is fixedly attached to the second fixing disc in an attached mode, so that the base and the connecting rod can be quickly connected to form a unified whole, the sealing performance of a connecting position is guaranteed, and liquid leakage is prevented;

5) the periphery of the water injection cavity is provided with positioning holes, the periphery of the water injection column is provided with four positioning columns, the positioning holes and the positioning columns are all arranged in a front-back bilateral symmetry mode, and the positioning holes and the positioning columns are arranged in a vertical one-to-one correspondence mode, so that the first fixing disc and the second fixing disc can be rapidly positioned and butted.

Drawings

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

FIG. 2 is a schematic view of a milling column and its overall connection structure according to the present invention;

FIG. 3 is a schematic view of the bottom structure of the base of the present invention;

fig. 4 is a schematic view of the connecting rod and its overall connecting structure of the present invention.

In the figure: 1. milling column, 2, chip removal groove, 3, centering drill bit, 4, base, 5, water spray hole, 6, first fixed disk, 7, fixed hole, 8, water injection cavity, 9, locating hole, 10, connecting rod, 11, second fixed disk, 12, gasket, 13, water injection column, 14, locating column, 15, fastening screw and 16, spacing groove.

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.

Example one

Referring to fig. 1 to 4, an alloy positioning drill with centering function includes:

the milling mechanism is composed of a milling column 1, and the milling column 1 of a round columnar structure for milling is used for forming a main body structure of the alloy positioning drill;

the connecting mechanism is composed of a base 4 and a connecting rod 10, the connecting mechanism is fixedly connected to the bottom of the milling mechanism, the base 4 is vertically welded and fixed to the bottom of the milling column 1, and the connecting rod 10 with the same diameter as the bottom of the base 4 is vertically fixedly connected to the bottom of the base 4.

In the embodiment of the utility model, the whole milling column 1 is made of tungsten steel to form a columnar structure, the top end of the milling column 1 is fixedly welded with the conical centering bit 3, and the outer surfaces of the centering bit 3 and the milling column 1 are sprayed with a CNC coating, so that the integral rigidity of the positioning drill is ensured, and the positioning drill can be positioned and drilled during milling through the centering bit 3.

In the embodiment of the utility model, the side wall of the connecting rod 10 is provided with four limiting grooves 16, the four limiting grooves 16 are of arc structures and are symmetrically arranged front and back, left and right by taking the circle center of the connecting rod 10 as the center, so that the connecting rod 10 and an external machine tool can be quickly in limiting butt joint.

Example two

In the embodiment of the utility model, the side wall of the milling column 1 is spirally provided with the chip removal groove 2, the top of the base 4 is provided with the water spraying hole 5, the water spraying hole 5 is positioned at the bottom of the chip removal groove 2, the center of the inner part of the base 4 is provided with the water injection cavity 8, the water injection cavity 8 is communicated with the water spraying hole 5, the center of the top end of the connecting rod 10 is provided with the water injection column 13, and cleaning fluid is sprayed through the water spraying hole 5 so as to rapidly flush the waste chips in the chip removal groove 2.

In the embodiment of the utility model, the bottom of the base 4 and the top end of the connecting rod 10 are respectively fixed with a first fixing disk 6 and a second fixing disk 11 in a horizontal welding manner, fixing holes 7 are respectively arranged on the first fixing disk 6 and the second fixing disk 11 in a penetrating manner, fastening screws 15 are screwed in the fixing holes 7, and a gasket 12 is fixedly attached to the second fixing disk 11, so that the base 4 and the connecting rod 10 can be quickly connected to form a unified whole, the sealing performance of the connecting part is ensured, and liquid leakage is prevented.

In the embodiment of the utility model, the periphery of the water injection cavity 8 is provided with the positioning holes 9, the periphery of the water injection column 13 is provided with the positioning columns 14, and the positioning holes 9 and the positioning columns 14 are respectively arranged in a front-back left-right symmetrical mode and are arranged up and down in a one-to-one correspondence mode, so that the first fixing disc 6 and the second fixing disc 11 can be quickly positioned and butted.

The working principle is as follows: when using this location to bore, earlier mill post 1 and be connected with connecting rod 10, when connecting, earlier with reference column 14 and locating hole 9 butt joint, then pass fastening screw 15 fixed orifices 7 with first fixed disk 6 and first fixed disk 6 are fixed, when milling, water injection post 13 is to injecting the washing liquid in the water injection chamber 8, and the hole for water spraying 5 is with the washing liquid blowout to wash the sweeps in the chip groove 2, prevent that the sweeps from piling up can.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. An alloy positioning drill with centering, comprising:

the milling mechanism is composed of a milling column (1), and the milling column (1) of a round columnar structure for milling forms a main body structure of the alloy positioning drill;

the connecting mechanism is composed of a base (4) and a connecting rod (10), the connecting mechanism is fixedly connected to the bottom of the milling mechanism, the base (4) is vertically welded and fixed to the bottom of the milling column (1), and the connecting rod (10) with the same diameter as the bottom of the base (4) is vertically fixedly connected to the bottom of the base (4).

2. The alloy positioning drill with centering function according to claim 1, characterized in that: the milling column (1) is integrally made of a tungsten steel material to form a columnar structure, a conical centering drill bit (3) is welded and fixed at the top end of the milling column (1), and a CNC coating is sprayed on the outer surfaces of the centering drill bit (3) and the milling column (1).

3. The alloy positioning drill with centering function according to claim 1, characterized in that: milling and being the heliciform on the lateral wall of post (1) and being provided with chip groove (2), the top of base (4) is provided with hole for water spraying (5), and hole for water spraying (5) are located the bottom of chip groove (2) to be provided with water injection chamber (8) in the inside center department of base (4), water injection chamber (8) link up with hole for water spraying (5), and the top center department of connecting rod (10) is provided with water injection post (13).

4. The alloy positioning drill with centering function according to claim 1, characterized in that: the bottom of base (4) and the top of connecting rod (10) are horizontal welded fastening respectively and are had first fixed disk (6) and second fixed disk (11), all run through on first fixed disk (6) and second fixed disk (11) and be provided with fixed orifices (7), and the internal rotation of fixed orifices (7) is twisted and is connected with fastening screw (15) to it is fixed with gasket (12) to attach on second fixed disk (11).

5. The alloy positioning drill with centering function according to claim 3, characterized in that: positioning holes (9) are formed in the periphery of the water injection cavity (8), positioning columns (14) are arranged in the periphery of the water injection columns (13), and the positioning holes (9) and the positioning columns (14) are four in a front-back left-right symmetrical mode and are arranged in a one-to-one up-down corresponding mode.

6. The alloy positioning drill with centering function according to claim 1, characterized in that: the side wall of the connecting rod (10) is provided with limiting grooves (16), the limiting grooves (16) are of arc structures, and four limiting grooves are symmetrically arranged around the center of the connecting rod (10).