CN203649432U - Combined boring cutter - Google Patents
Combined boring cutter Download PDFInfo
- Publication number
- CN203649432U CN203649432U CN201320840551.XU CN201320840551U CN203649432U CN 203649432 U CN203649432 U CN 203649432U CN 201320840551 U CN201320840551 U CN 201320840551U CN 203649432 U CN203649432 U CN 203649432U
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- blade
- boring cutter
- fixed
- ring
- outer ring
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Abstract
The utility model discloses a combined boring cutter which comprises a boring cutter body, locking screws, a first blade, a second blade, a third blade and a fourth blade, wherein the lower part of the boring cutter body adopts a double-semi-ring step type structure; an inner ring and an outer ring have step difference and ring difference, the first blade and the second blade are fixed at step parts of the inner ring, the third blade and the fourth blade are fixed on steps of the outer ring, the third blade is fixed on the outer side of the step of the outer ring, the fourth blade is fixed on the inner side of the step of the outer ring, thereby forming a staggered structure; the overlapping width of cutting edges of the third blade and the fourth blade is the total width of the outer ring. The combined boring cutter has the advantages that the boring cutter has both machining properties of a conventional boring cutter and unique functions of self, the boring cutter is simple and practical in structure, convenient to machine and manufacture, high in universality and easy to ensure product quality, the machining can be accomplished when the boring cutter is assembled and clamped on a numerical control machine tool for one time, accumulation of errors caused by multiple times of positioning is greatly avoided, the workpiece quality is ensured, higher precision requirements are met, and the production efficiency is improved.
Description
Technical field
This mechanical processing technique field, particularly a kind of combination boring cutter for processing step hole.
Background technology
Hole process in machine industry one in important processing technology, in annual machining, the processing in hole has been occupied 1/3rd left and right of whole machinings.Stepped hole is as the important branch in the processing of hole, in tradition processing, often adopt the processing mode of " layer and section ", piecemeal removal allowance successively until reach this section of Element Design requirement, then carry out lower one deck processing, but process like this, metapore easily wanders off, mismachining tolerance large, hole precision is difficult to ensure, and cutter idle stroke is more, working (machining) efficiency is low.Therefore suitable stepped hole process tool has significant impact for the quality of stepped hole, for meeting corresponding process requirements, must use the nonstandard cutter of customization, virtually increase so again the cost of charp tool, therefore the stepped hole process tool that, has a higher scope of application has wide market application foreground.
Utility model content
This
utility modelobject be just to provide simultaneously milling shoulder hole of one, increase work efficiency, ensure Milling Accuracy and surface flatness, can process the poor stepped hole of different step differences and annulus, working angles vibration is little, machining accuracy is high, good manufacturability, simple in structure, be easy to manufacture, cost is low, the combination boring cutter that cost performance is high.
This
utility modelsolution be such:
A kind of combination boring cutter, comprises boring cutter cutter body, tightly locks screw and the first blade, the second blade, the 3rd blade, four blade sheet, and described boring cutter cutter body bottom be pair semi-ring staircase structural models, and interior ring and outer shroud have that ladder is poor and annulus is poor; Described the first blade, the second blade are fixed on the ladder position of interior ring, described the 3rd blade, four blade sheet are fixed on outer shroud step, described the 3rd blade is fixed on the outside of outer shroud step, and described four blade sheet is fixed on the inner side of outer shroud step, forms misconstruction.
Technical scheme also comprises more specifically: the blade overlap width of described the 3rd blade, four blade sheet is overall width of outer rings.
This
utility modeladvantage be:
(1) the step type combination boring cutter of this patent design, tool bodies is interior ring and the outer shroud that is designed to step, the shoulder hole of milling simultaneously, has improved operating efficiency more than 50%;
(2) the step type combination boring cutter of this patent design, outer shroud blade adopts dislocation type design, has improved chip removal ability, is conducive to ensure Milling Accuracy and surface of the work smoothness;
(3) the step type combination boring cutter of this patent design, by adjusting blade diameter, can process the poor stepped hole of different step differences and annulus, applied widely;
(4) the step type combination boring cutter of this patent design, rigidity is strong, and working angles vibration is little, and machining accuracy is high;
(5) the step type combination boring cutter of this patent design, cutter structure good manufacturability, simple in structure, easily processing and manufacturing, cost is low, and cost performance is high;
(6) the last clamping of Digit Control Machine Tool can complete processing, has greatly avoided the accumulation of multiple bearing error, thereby has ensured workpiece quality, can reach higher required precision.
Brief description of the drawings
Fig. 1 is this
utility modelstructural representation.
Fig. 2 is the rearview of Fig. 1.
Fig. 3 is this
utility modelthree-dimensional structure schematic diagram.
Detailed description of the invention
A kind of combination boring cutter, comprises boring cutter cutter body 1, tightly locks screw 2 and the first blade 3, the second blade 5, the 3rd blade 4, four blade sheet 6.Described boring cutter cutter body 1 bottom is two semi-ring staircase structural models, and interior ring and outer shroud have that ladder is poor and annulus is poor; Described the first blade 3, the second blade 5 adopt tight lock screw 2 to be fixed on the ladder position of interior ring, described the 3rd blade 4, four blade sheet 6 adopt tight lock screw 2 to be fixed on outer shroud step, described the 3rd blade 4 is fixed on the outside of outer shroud step, described four blade sheet 6 is fixed on the inner side of outer shroud step, form misconstruction, the object of dislocation design is convenient for chip removal, can improve milling quality.
The blade overlap width of described the 3rd blade 4, four blade sheet 6 is overall width of outer rings.
The knife bar clamping of boring cutter cutter body 1, on Digit Control Machine Tool, is only needed to clamping once, can complete that opening of shoulder hole is thick, half right boring and right boring operation, avoided the accumulation of multiple bearing error, ensured workpiece quality.
This
utility modeladjust blade diameter by allowing blade replacement more, to process different jumps and the poor stepped hole of annulus, applied widely.
Claims (2)
1. kind of combination boring cutter, comprise boring cutter cutter body (1), tightly lock screw (2) and the first blade (3), the second blade (5), the 3rd blade (4), four blade sheet (6), it is characterized in that, described boring cutter cutter body (1) bottom is two semi-ring staircase structural models, and interior ring and outer shroud have that ladder is poor and annulus is poor; Described the first blade (3), the second blade (5) are fixed on the ladder position of interior ring, described the 3rd blade (4), four blade sheet (6) are fixed on outer shroud step, described the 3rd blade (4) is fixed on the outside of outer shroud step, described four blade sheet (6) is fixed on the inner side of outer shroud step, forms misconstruction.
2. combination boring cutter according to claim 1, is characterized in that: the blade overlap width of described the 3rd blade (4), four blade sheet (6) is overall width of outer rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320840551.XU CN203649432U (en) | 2013-12-19 | 2013-12-19 | Combined boring cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320840551.XU CN203649432U (en) | 2013-12-19 | 2013-12-19 | Combined boring cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203649432U true CN203649432U (en) | 2014-06-18 |
Family
ID=50915869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320840551.XU Expired - Fee Related CN203649432U (en) | 2013-12-19 | 2013-12-19 | Combined boring cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203649432U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722196A (en) * | 2013-12-19 | 2014-04-16 | 柳州市英利机械铸造有限责任公司 | Combined boring cutter |
-
2013
- 2013-12-19 CN CN201320840551.XU patent/CN203649432U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722196A (en) * | 2013-12-19 | 2014-04-16 | 柳州市英利机械铸造有限责任公司 | Combined boring cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20141219 |
|
| EXPY | Termination of patent right or utility model |