CN203316797U - Trepanning drill - Google Patents
Trepanning drill Download PDFInfo
- Publication number
- CN203316797U CN203316797U CN2013203780307U CN201320378030U CN203316797U CN 203316797 U CN203316797 U CN 203316797U CN 2013203780307 U CN2013203780307 U CN 2013203780307U CN 201320378030 U CN201320378030 U CN 201320378030U CN 203316797 U CN203316797 U CN 203316797U
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- China
- Prior art keywords
- blade
- cutter hub
- groove
- tool rest
- rear end
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- Expired - Lifetime
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Abstract
The utility model discloses a trepanning drill, relating to a trepanning drill for trepanning. The utility model aims at providing a trepanning drill which is simple in structure, high in efficiency, cost-saving and stable in machining. The trepanning drill disclosed by the utility model comprises a trepanning drill assembly and a cutter handle assembly, wherein the trepanning drill assembly comprises a cutter body, a first blade, a second blade, a cutter holder A and a cutter holder B; a hole is formed in the cutter body; the cutter holder A and the cutter holder B are arranged at the front end of the outer surface of the cutter body; the first blade is installed in a groove A formed in the front end of the cutter holder A by a bolt, and the rear end of the first blade is bonded with the rear end of the inner surface of the groove A; the second blade is installed in a groove B formed in the front end of the cutter holder B by a bolt, and the rear end of the second blade is bonded with the rear end of the inner surface of the groove B; openings are formed in the front end of the groove A and the front end of the groove B; an edge at the front end of the first blade and an edge at the front end of the second blade stretch out of the front end of the cutter body, and the distance of the edge at the front end of the first blade, stretching out of the front end of the cutter body, is less than the distance of the edge at the front end of the second blade, stretching out of the front end of the cutter body; the rear end of the inner surface of the cutter body is connected with the front end of the cutter handle assembly; and the cutter body is coaxial with the cutter handle assembly.
Description
Technical field
The utility model relates to a kind of metal cutting tool, particularly relates to a kind of cylindrical drill for trepanning.
Background technology
In the large back axle project of U.S. Ka Tebile company, the through hole that needs 8-φ 146.1 ± 0.05 on the processing pawl, blank hole is entity, adopted altogether 12 conventional tool, being respectively φ 55U bores, φ 65 rough boring cutters, φ 75 rough boring cutters, φ 85 rough boring cutters, φ 95 rough boring cutters, φ 105 rough boring cutters, φ 115 rough boring cutters, φ 125 rough boring cutters, φ 135 rough boring cutters, φ 145 rough boring cutters, φ 145.8 half fine boring cutters, φ 146.1 fine boring cutters, number of cutters is many, program amounts to 188 minutes, machining takes time longer, efficiency is not high, blade abrasion needs to change in time soon, process very unstable, and use conventional tool to process, the waste material.
The utility model content
The technical problems to be solved in the utility model be to provide a kind of simple in structure, efficiency is high, cost-saving, process stable cylindrical drill.
The utility model cylindrical drill, comprise cylindrical drill assembly and handle of a knife assembly, described cylindrical drill assembly comprises cutter hub, the first blade, the second blade, the A tool rest, the B tool rest, the inside of described cutter hub arranges porose, the front end of the outer surface of described cutter hub is provided with A tool rest and B tool rest, described A tool rest and B tool rest Central Symmetry are arranged, the front end of described A tool rest offers the A groove, described the first blade is arranged in the A groove on the A tool rest by bolt, the rear end of described the first blade and A groove inner surface rear end fit, the front end of described B tool rest offers the B groove, described the second blade is arranged in the B groove on the B tool rest by bolt, the rear end of described the second blade and B groove inner surface rear end fit, described A front of the slot and B front of the slot opening, the distance that the blade that the blade of the blade of described the first blade front end and the second blade front end all stretches out the front end of cutter hub and the first blade front end stretches out the cutter hub front end is less than the distance that the blade of the second blade front end stretches out the cutter hub front end, the rear end of the inner surface of described cutter hub is connected with the front end of handle of a knife assembly, described cutter hub is coaxial with the handle of a knife assembly.
The utility model cylindrical drill, the outer surface of wherein said cutter hub is provided with chip area, and described chip area extends to the rear end of cutter hub from the front end of cutter hub.
The utility model cylindrical drill difference from prior art is that the utility model cylindrical drill only includes cylindrical drill assembly and handle of a knife assembly two parts, simple in structure, when the wide-aperture entity of processing, the quantity of the conventional tool of selecting reduces, the time of changing cutter also reduces, improved working (machining) efficiency, use cylindrical drill, falling into the material core that the jacking in cutter hub hole stays can continue to use, save material, the front end of A tool rest offers the A groove, the front end of B tool rest offers the B groove, being arranged on distance that the second blade in the B groove stretches out the cutter hub front end is greater than and is arranged on the distance that the first blade in the A groove stretches out the cutter hub front end, it during the first blade cut, not full cutter cutting, can avoid the first blade to break, processing is stable, saved cost.
Below in conjunction with accompanying drawing, cylindrical drill of the present utility model is described further.
The accompanying drawing explanation
The overall structure schematic diagram that Fig. 1 is the utility model cylindrical drill;
The left view that Fig. 2 is the utility model cylindrical drill.
The specific embodiment
As shown in Figure 1, the utility model cylindrical drill comprises cylindrical drill assembly 1 and handle of a knife assembly 2, cylindrical drill assembly 1 comprises the stepped cutter hub of outer surface 3, the first blade 4, the second blade 5, A tool rest 6, B tool rest 7, A tool rest 6 and B tool rest 7 Central Symmetries are arranged, the front end of A tool rest 6 offers the A groove, the first blade 4 is arranged in the A groove on A tool rest 6 by bolt, the rear end of the first blade 4 and A groove inner surface rear end fit, the front end of B tool rest 7 offers the B groove, the second blade 5 is arranged in the B groove on B tool rest 7 by bolt, the rear end of the second blade 5 and B groove inner surface rear end fit, A front of the slot and B front of the slot opening, the distance that the blade that the blade of the blade of described the first blade 4 front ends and the second blade 5 front ends all stretches out the front end of cutter hub 3 and the first blade 4 front ends stretches out cutter hub 3 front ends is less than the distance that the blade of the second blade 5 front ends stretches out cutter hub 3 front ends, the distance that the blade of the second blade 5 front ends stretches out cutter hub 3 front ends is stretched out the large 0.15mm of distance of cutter hub 3 front ends than the blade of the first blade 4 front ends, the axial length of cutter hub 3 is 177.50mm, the front end of cutter hub 3 is 339.10mm to the axial length of the rear end of handle of a knife assembly 2, the inside of cutter hub 3 is provided with φ 106 holes, the degree of depth in φ 106 holes is 137.50mm, the material core stayed after processing is arranged in the inner hole arranged of cutter hub 3, the diameter of material core is identical with the diameter in the cutter hub 3 inner holes that arrange, the outer surface of cutter hub 3 is provided with chip area 8, chip area 8 extends to the rear end of cutter hub 3 from the front end of cutter hub 3, the outward flange of the second blade 5 is 71mm to the distance of cutter hub 3 axis, the outward flange of the first blade 4 is 53mm to the distance of cutter hub 3 axis.
As shown in Figure 2, the front end of the rear end of the inner surface of cutter hub 3 and handle of a knife assembly 2 is with bolts, and cutter hub 3 is coaxial with handle of a knife assembly 2.
While using cylindrical drill to process wide-aperture through hole, the rear end of handle of a knife assembly 2 is arranged on the main shaft of boring-milling center, first with certain rotating speed and feed engagement trial cut, as first pressed rotational speed N=156.9rev/min, feed engagement fz=0.06 trial cut, after cutter hub 3 front ends enter workpiece fully, again feed engagement fz is improved, as feed engagement fz is brought up to 0.1-0.145, after processing, the material core stayed by the workpiece jacking falls into the inner hole arranged of cutter hub 3, to expect that the core taking-up can continue to use, save material, and because the second blade 5 first contacts workpiece, first carry out chipping allowance, need not expire the cutter cutting during the first blade 4 cutting, surplus is few, can avoid blade to break, processing is stable, simultaneously cost-saving, the quantity of selected conventional tool reduces, the time of changing cutter also reduces, improved working (machining) efficiency.
Above-described embodiment is described preferred embodiment of the present utility model; not scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.
Claims (2)
1. a cylindrical drill, it is characterized in that: comprise cylindrical drill assembly (1) and handle of a knife assembly (2), described cylindrical drill assembly (1) comprises cutter hub (3), the first blade (4), the second blade (5), A tool rest (6), B tool rest (7), the inside of described cutter hub (3) arranges porose, the front end of the outer surface of described cutter hub (3) is provided with A tool rest (6) and B tool rest (7), described A tool rest (6) and B tool rest (7) Central Symmetry are arranged, the front end of described A tool rest (6) offers the A groove, described the first blade (4) is arranged in the A groove on A tool rest (6) by bolt, the rear end of described the first blade (4) and A groove inner surface rear end fit, the front end of described B tool rest (7) offers the B groove, described the second blade (5) is arranged in the B groove on B tool rest (7) by bolt, the rear end of described the second blade (5) and B groove inner surface rear end fit, described A front of the slot and B front of the slot opening, the distance that the blade that the blade of the blade of described the first blade (4) front end and the second blade (5) front end all stretches out the front end of cutter hub (3) and the first blade (4) front end stretches out cutter hub (3) front end is less than the distance that the blade of the second blade (5) front end stretches out cutter hub (3) front end, the rear end of the inner surface of described cutter hub (3) is connected with the front end of handle of a knife assembly (2), described cutter hub (3) is coaxial with handle of a knife assembly (2).
2. cylindrical drill according to claim 1, it is characterized in that: the outer surface of described cutter hub (3) is provided with chip area (8), and described chip area (8) extends to the rear end of cutter hub (3) from the front end of cutter hub (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203780307U CN203316797U (en) | 2013-06-27 | 2013-06-27 | Trepanning drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203780307U CN203316797U (en) | 2013-06-27 | 2013-06-27 | Trepanning drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203316797U true CN203316797U (en) | 2013-12-04 |
Family
ID=49656194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203780307U Expired - Lifetime CN203316797U (en) | 2013-06-27 | 2013-06-27 | Trepanning drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203316797U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148710A (en) * | 2014-08-07 | 2014-11-19 | 西安近代化学研究所 | Cutter for contour machining of small cylinders |
| CN110153472A (en) * | 2019-05-30 | 2019-08-23 | 靖江新源电力器械有限公司 | A kind of trepanning tool structure |
| CN113477990A (en) * | 2021-07-16 | 2021-10-08 | 穆格精密工具（杭州）有限公司 | Automatic pushing mechanism of jacking knife |
-
2013
- 2013-06-27 CN CN2013203780307U patent/CN203316797U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148710A (en) * | 2014-08-07 | 2014-11-19 | 西安近代化学研究所 | Cutter for contour machining of small cylinders |
| CN110153472A (en) * | 2019-05-30 | 2019-08-23 | 靖江新源电力器械有限公司 | A kind of trepanning tool structure |
| CN113477990A (en) * | 2021-07-16 | 2021-10-08 | 穆格精密工具（杭州）有限公司 | Automatic pushing mechanism of jacking knife |
| CN113477990B (en) * | 2021-07-16 | 2022-04-08 | 穆格精密工具（杭州）有限公司 | Automatic pushing mechanism of jacking knife |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |
|
| CX01 | Expiry of patent term |