CN215509158U - Centering drill with positioning function - Google Patents
Centering drill with positioning function Download PDFInfo
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- CN215509158U CN215509158U CN202122251912.4U CN202122251912U CN215509158U CN 215509158 U CN215509158 U CN 215509158U CN 202122251912 U CN202122251912 U CN 202122251912U CN 215509158 U CN215509158 U CN 215509158U
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Abstract
The utility model discloses a centering drill with a positioning function, which comprises a milling column, a chip removing groove, a first water spraying hole, a second water spraying hole, a milling blade, a first fastening screw, a fixed base, a connecting column, a first limiting groove, a water injection column, a water injection cavity, a fixing hole, a clamping ring and a limiting lug. The utility model has the beneficial effects that: the whole tungsten steel material preparation that adopts of post of milling, and be provided with conical centering on the top of milling the post, make through centering and mill the post and can fix a position drilling when milling, prevent to mill the slope of post, be provided with first hole for water spraying on the lateral wall of milling the post, first hole for water spraying is located the center department of chip groove, unable adjustment base's top is provided with the second hole for water spraying, the second hole for water spraying is located the bottom of chip groove, and vertically be provided with the water injection post in the top of spliced pole, unable adjustment base's bottom is provided with the water injection chamber, through first hole for water spraying, the washing liquid is sprayed to the second hole for water spraying, and then to milling the post and will remove the accumulational sweeps in the chip groove.
Description
Technical Field
The utility model relates to a centering drill, in particular to a centering drill with a positioning function, and belongs to the technical field of centering 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 spiral and shaped like a twist, and the twist drill has a large variety, and when directional drilling is required, the drill bit needs to be operated, so that a centering drill with a positioning function is required.
However, most of the existing centering drills have various problems:
1) most of milling blades and milling columns on the existing centering drill adopt an integrated connection structure, namely the milling blades and the milling columns cannot be disassembled, so that after the milling blades are damaged, workers can only replace the whole device, and unnecessary economic loss is caused;
2) most of the existing centering drills are not provided with water spray holes, so that waste chips can be accumulated in a chip removal groove to cause accumulation during milling.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to provide a pilot drill having a positioning function to solve the above-mentioned problems.
The utility model realizes the purpose through the following technical scheme: a pilot drill with positioning function, comprising:
the milling mechanism consists of a milling column and a milling blade, the milling column used for connecting and fixing the round columnar structure forms a main body structure of the centering drill, and the milling blade used for milling is connected and fixed on the milling column;
the connecting mechanism is vertically connected and fixed to the bottom of the milling mechanism, the fixed base is vertically welded and fixed to the bottom of the milling column, and the connecting column, which is equal to the diameter of the bottom of the fixed base, is vertically connected and fixed to the bottom of the fixed base.
As a still further scheme of the utility model: the whole milling column is made of tungsten steel materials, and conical centering is arranged at the top end of the milling column.
As a still further scheme of the utility model: the milling tool is characterized in that a chip removing groove is vertically formed in the side wall of the milling column, screw holes are formed in the upper end and the lower end of the side wall of one side of the chip removing groove, the milling blade is attached and fixed to the side wall of the chip removing groove, through holes are formed in the upper end and the lower end of the milling blade in a penetrating mode, fastening screws are arranged in the through holes, and the fastening screws and the screw holes are screwed and locked.
As a still further scheme of the utility model: the milling column is characterized in that a first water spraying hole is formed in the side wall of the milling column and located in the center of the chip removing groove, a second water spraying hole is formed in the top end of the fixed base and located at the bottom of the chip removing groove, a water injection column is vertically arranged at the top end of the connecting column, and a water injection cavity is formed in the bottom of the fixed base.
As a still further scheme of the utility model: the fixing base is characterized in that the bottom of the side wall of the fixing base and the top end of the side wall of the connecting column are provided with first limiting grooves in an inwards concave mode, fixing holes are formed in the fixing base and the connecting column respectively, a clamping ring is arranged between the fixing base and the connecting column, a limiting lug is arranged on the side wall of the clamping ring, connecting through holes are formed in the upper end and the lower end of the clamping ring, and second fastening screws are arranged in the connecting through holes.
As a still further scheme of the utility model: the lateral wall of the connecting column is provided with a second limiting groove, the second limiting groove integrally forms a circular ring-shaped structure, and ten limiting grooves are arranged at equal intervals.
The utility model has the beneficial effects that:
1) the milling column is integrally made of tungsten steel, conical centering is arranged at the top end of the milling column, and the milling column can be positioned and drilled during milling through the centering, so that the milling column is prevented from inclining;
2) a chip removing groove is vertically formed in the side wall of the milling column, screw holes are formed in the upper end and the lower end of the side wall of one side of the chip removing groove, the milling blade is attached and fixed to the side wall of the chip removing groove, through holes are formed in the upper end and the lower end of the milling blade in a penetrating mode, fastening screws are arranged in the through holes, and the fastening screws and the screw holes are screwed and locked, so that a worker can quickly detach and replace the milling blade after the milling blade is damaged, and unnecessary economic waste is avoided;
3) a first water spraying hole is formed in the side wall of the milling column, the first water spraying hole is located in the center of the chip removing groove, a second water spraying hole is formed in the top end of the fixed base, the second water spraying hole is located at the bottom of the chip removing groove, a water injection column is vertically arranged at the top end of the connecting column, a water injection cavity is formed in the bottom of the fixed base, and cleaning liquid is sprayed through the first water spraying hole and the second water spraying hole to cool the milling column and flush waste chips accumulated in the chip removing groove;
4) the bottom of the side wall of the fixed base and the top end of the side wall of the connecting column are provided with first limiting grooves in an inwards concave mode, fixing holes are formed in the fixed base and the connecting column respectively, a clamping ring is arranged between the fixed base and the connecting column, a limiting lug is arranged on the side wall of the clamping ring, connecting through holes are formed in the upper end and the lower end of the clamping ring, and second fastening screws are arranged in the connecting through holes, so that the fixed base and the connecting column can be quickly installed and fixed to form a unified whole and can be detached later;
5) be provided with the second spacing groove on the lateral wall of spliced pole, the whole ring structure that constitutes of second spacing groove, and the equidistance is provided with ten, through the second spacing groove that the equidistance set up, make the staff can be fixed spliced pole and lathe to suitable length as required and mill the work.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a water hole according to the present invention;
FIG. 3 is a schematic view of the detachable structure of the fixing base and the connecting column of the present invention;
FIG. 4 is a schematic view of the overall structure of the snap ring of the present invention.
In the figure: 1. milling column, 2, chip removal groove, 3, first hole for water spraying, 4, second hole for water spraying, 5, milling blade, 6, first fastening screw, 7, unable adjustment base, 8, spliced pole, 9, first spacing groove, 10, water injection post, 11, water injection chamber, 12, fixed orifices, 13, snap ring, 14, spacing lug, 15, connecting hole, 16, second fastening screw and 17, second 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, a pilot drill with positioning function includes:
the milling mechanism is composed of a milling column 1 and a milling blade 5, the milling column 1 for connecting and fixing a circular cylindrical structure forms a main body structure of the centering drill, and the milling blade 5 for milling is connected and fixed on the milling column 1;
the connecting mechanism comprises a fixed base 7 and a connecting column 8, the connecting mechanism is vertically connected and fixed to the bottom of the milling mechanism, the fixed base 7 is vertically welded and fixed to the bottom of the milling column 1, and the connecting column 8 with the same diameter as the bottom of the fixed base 7 is vertically connected and fixed to the bottom of the fixed base 7.
In the embodiment of the utility model, the whole milling column 1 is made of tungsten steel material, the top end of the milling column 1 is provided with conical centering, and the milling column 1 can be positioned and drilled during milling through the centering, so that the milling column 1 is prevented from inclining.
In the embodiment of the utility model, the side wall of the milling column 1 is vertically provided with the chip removing groove 2, the upper end and the lower end of the side wall of one side of the chip removing groove 2 are provided with screw holes, the milling blade 5 is attached and fixed on the side wall of the chip removing groove 2, the upper end and the lower end of the milling blade 5 are provided with through holes in a penetrating manner, the through holes are internally provided with the fastening screws 6, and the fastening screws 6 are screwed and locked with the screw holes, so that a worker can rapidly detach and replace the milling blade 5 after the milling blade is damaged, and unnecessary economic waste is avoided.
Example two
Referring to fig. 1 to 4, a pilot drill with positioning function includes:
the milling mechanism is composed of a milling column 1 and a milling blade 5, the milling column 1 for connecting and fixing a circular cylindrical structure forms a main body structure of the centering drill, and the milling blade 5 for milling is connected and fixed on the milling column 1;
the connecting mechanism comprises a fixed base 7 and a connecting column 8, the connecting mechanism is vertically connected and fixed to the bottom of the milling mechanism, the fixed base 7 is vertically welded and fixed to the bottom of the milling column 1, and the connecting column 8 with the same diameter as the bottom of the fixed base 7 is vertically connected and fixed to the bottom of the fixed base 7.
In the embodiment of the utility model, a first water spraying hole 3 is formed in the side wall of the milling column 1, the first water spraying hole 3 is located in the center of the chip removing groove 2, a second water spraying hole 4 is formed in the top end of the fixed base 7, the second water spraying hole 4 is located at the bottom of the chip removing groove 2, a water injection column 10 is vertically arranged at the top end of the connecting column 8, a water injection cavity 11 is formed in the bottom of the fixed base 7, and cleaning fluid is sprayed through the first water spraying hole 3 and the second water spraying hole 4, so that the milling column 1 is cooled and waste chips accumulated in the chip removing groove 2 are washed.
In the embodiment of the utility model, the bottom of the side wall of the fixed base 7 and the top end of the side wall of the connecting column 8 are provided with a first limiting groove 9 in a concave manner, the fixed base 7 and the connecting column 8 are respectively provided with a fixed hole 12, a clamping ring 13 is arranged between the fixed base 7 and the connecting column 8, the side wall of the clamping ring 13 is provided with a limiting lug 14, the upper end and the lower end of the clamping ring are provided with connecting through holes 15, and second fastening screws 16 are arranged in the connecting through holes 15, so that the fixed base 7 and the connecting column 8 can be quickly installed and fixed to form a unified whole and can be detached later.
In the embodiment of the utility model, the side wall of the connecting column 8 is provided with the second limiting grooves 17, the second limiting grooves 17 integrally form a circular ring structure, ten limiting grooves are arranged at equal intervals, and through the second limiting grooves 17 arranged at equal intervals, a worker can fix the connecting column 8 and a machine tool to a proper length for milling according to needs.
The working principle is as follows: when the centering drill is used, the water injection column 10 is butted with the water injection cavity 11, the clamping ring 13 is surrounded on the fixed base 7 and the outer wall of the connecting column 8, the limiting convex block 14 is butted with the first limiting groove 9, the second fastening screw 16 penetrates through the connecting through hole 15 and is butted and locked with the second fastening screw 16 and the fixed hole 12, the connecting column 8 is fixed to a proper length through the second limiting groove 17 and a machine tool, when the centering drill is milled, the first water spraying holes 3 and the second water spraying holes 4 spray cleaning liquid, the milling column 1 is cooled, and waste chips accumulated in the chip removing groove 2 are washed.
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 (6)
1. A pilot drill with locate function, characterized by, includes:
the milling mechanism consists of a milling column (1) and a milling blade (5), the milling column (1) used for connecting and fixing a circular columnar structure forms a main body structure of the centering drill, and the milling blade (5) used for milling is connected and fixed on the milling column (1);
the connecting mechanism is composed of a fixed base (7) and a connecting column (8), the connecting mechanism is vertically connected and fixed to the bottom of the milling mechanism, the fixed base (7) is vertically welded and fixed to the bottom of the milling column (1), and the connecting column (8) is vertically connected and fixed to the bottom of the fixed base (7) and has the same diameter as the bottom of the fixed base (7).
2. A pilot drill with positioning function according to claim 1, characterized in that: the milling column (1) is integrally made of tungsten steel materials, and conical centering is arranged at the top end of the milling column (1).
3. A pilot drill with positioning function according to claim 1, characterized in that: the milling tool is characterized in that a chip removing groove (2) is vertically formed in the side wall of the milling column (1), screw holes are formed in the upper end and the lower end of the side wall of one side of the chip removing groove (2), the milling blade (5) is fixedly attached to the side wall of the chip removing groove (2), through holes are formed in the upper end and the lower end of the milling blade (5) in a penetrating mode, fastening screws (6) are arranged in the through holes, and the fastening screws (6) are screwed and locked with the screw holes.
4. A pilot drill with positioning function according to claim 3, characterized in that: the milling machine is characterized in that a first water spraying hole (3) is formed in the side wall of the milling column (1), the first water spraying hole (3) is located in the center of the chip removing groove (2), a second water spraying hole (4) is formed in the top end of the fixed base (7), the second water spraying hole (4) is located in the bottom of the chip removing groove (2), a water injection column (10) is vertically arranged on the top end of the connecting column (8), and a water injection cavity (11) is formed in the bottom of the fixed base (7).
5. A pilot drill with positioning function according to claim 1, characterized in that: the fixing device is characterized in that the bottom of the side wall of the fixing base (7) and the top of the side wall of the connecting column (8) are provided with a first limiting groove (9) in an inwards concave manner, fixing holes (12) are respectively formed in the fixing base (7) and the connecting column (8), a clamping ring (13) is arranged between the fixing base (7) and the connecting column (8), a limiting lug (14) is arranged on the side wall of the clamping ring (13), connecting through holes (15) are formed in the upper end and the lower end of the clamping ring, and second fastening screws (16) are arranged in the connecting through holes (15).
6. A pilot drill with positioning function according to claim 1, characterized in that: the lateral wall of the connecting column (8) is provided with a second limiting groove (17), the second limiting groove (17) integrally forms a circular ring-shaped structure, and ten limiting grooves are arranged at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122251912.4U CN215509158U (en) | 2021-09-17 | 2021-09-17 | Centering drill with positioning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122251912.4U CN215509158U (en) | 2021-09-17 | 2021-09-17 | Centering drill with positioning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215509158U true CN215509158U (en) | 2022-01-14 |
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ID=79797149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122251912.4U Active CN215509158U (en) | 2021-09-17 | 2021-09-17 | Centering drill with positioning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215509158U (en) |
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2021
- 2021-09-17 CN CN202122251912.4U patent/CN215509158U/en active Active
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