CN202779867U - Excircle boring cutter - Google Patents
Excircle boring cutter Download PDFInfo
- Publication number
- CN202779867U CN202779867U CN 201220385865 CN201220385865U CN202779867U CN 202779867 U CN202779867 U CN 202779867U CN 201220385865 CN201220385865 CN 201220385865 CN 201220385865 U CN201220385865 U CN 201220385865U CN 202779867 U CN202779867 U CN 202779867U
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- cutter
- boring
- opening
- handle
- excircle
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Abstract
The utility model discloses an excircle boring cutter which comprises a cutter body and a boring head. The excircle boring cutter is characterized in that the cutter body is integrally formed. The cutter body comprises a cutter handle and a cutter rest, wherein the cutter handle is arranged at one end of the cutter body and the cutter rest is arranged at the other end of the cutter body. The cutter handle is in a side compression straight shank structure, and the cutter rest is in a similarly V-shaped structure. One end of the cutter rest is provided with an opening and opposite to the cutter handle. Two outward inclined planes are arranged at the two sides of the opening of the cutter rest. An opening is formed by the two inclined planes. The shape of the opening is similar to the shape of a ladder. A 53 degrees 8 minutes precise fine tuning type right boring unit is adopted by the boring head. The boring head is installed on a side slope of the opening of the cutter rest. The shaft axis of the 53 degrees 8 minutes precise fine tuning type right boring unit is perpendicular to the side slope, and the included angle between the shaft axis of the 53 degrees 8 minutes precise fine tuning type right boring unit and the shaft axis of the cutter body is 53 degrees 8 minutes. The excircle boring cutter has the advantages of being simple in structure, convenient to process, good in whole degree of the cutter, convenient in installation of a fine tuning mechanism, good in receding machining performance and capable of avoiding cutter collision between the cutter and the bottom surface of a processing part in using process. The excircle boring cutter is especially applicable to processing of excircle with small diameter.
Description
Technical field
The utility model relates to a kind of boring cutter, especially a kind of coat boring cutter for the member periphery is processed.
Background technology
Boring cutter is a kind of of cutting tool for boring, and is general for surface of revolution, the i.e. processing of inner headed face in the processing.In the prior art, also there is a small amount of boring cutter that is used for the processing excircles face, is called the cylindrical boring cutter.Existing cylindrical boring cutter generally adopts bridge architecture, and cutter is by a plurality of module compositions, complex structure.Existing this bridge-type cylindrical boring cutter, limited by cutter structure, modular fine boring head micro-adjusting mechanism is difficult to make very littlely, be difficult to the boring cutter of processing minor diameter cylindrical, knife rest is by the modularized design manufacturing, and the integral rigidity of cutter is relatively poor, the fine boring head micro-adjusting mechanism is installed inconvenience, shape boss shape requirement is higher to foreign round when using simultaneously, steps down when inadequate such as the boss root, and it is imperfect or the risk of hitting cutter arranged processing column to occur easily.
The utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: how to provide a kind of simple in structure, cutter integral body degree is good, and micro-adjusting mechanism is easy for installation, is fit to the cylindrical boring cutter of the Excircle machining of small diameter.
In order to solve the problems of the technologies described above, adopted following technical scheme in the utility model:
A kind of cylindrical boring cutter, comprise cutter hub and boring head, it is characterized in that, described cutter hub is one-body molded to be obtained, cutter hub comprises the handle of a knife that is positioned at an end and the knife rest of the other end, described handle of a knife adopts side compression type staight shank structure, and described knife rest is the class V-structure that deviates from an end opening of handle of a knife, and the opening part both sides of knife rest are that two outside inclined-planes form similar trapezoidal opening; Described boring head adopts 53 ° of 8 ' Precision trimming formula right boring unit and is installed on the skew back face of knife rest opening part, the axial line of described 53 ° of 8 ' Precision trimming formula right boring unit perpendicular to this skew back face simultaneously described axial line and cutter hub axial line angle be 53 ° 8 '.
In the utility model, cutter hub is formed in one and obtains, and reduce amount of parts and simplified simultaneously complicated assembling, so that the cutter good integrity, so that a whole set of cutter possesses compact conformation, rigidity height, makes simple characteristics.Wherein handle of a knife adopts side compression type staight shank structure, can conveniently cooperate different types of handle of a knife, is fit to the machining center of BT class main shaft interface and HSK class main shaft interface.The opening part both sides of knife rest are designed to two outside inclined-planes and form similar trapezoidal opening, come like this to guarantee cutter boring head setting angle, so that boring head is quick and easy for installation, can also guarantee to make bit space larger simultaneously, make processing more smooth.Wherein, 53 ° of 8 ' Precision trimming formula right boring unit of employing are accepted standard parts in the line boring cutter in a kind of existing inner hole boring tool that is used for Design and manufacture the region between the heart and the diaphragm hole and processing echelon hole, directly buy and install and can use.The sine value of 53 ° of 8 ' Precision trimming formula right boring unit is 0.8mm, 40 grooves distribute on the dial of right boring unit, screw pitch is 0.5mm on the cutter head, then the every scale value of dial is 0.01mm, i.e. 0.5/40 * sin53 ° 8 '=0.01mm, the every rotation one little lattice of dial, cutter head moves radially 0.01mm along boring bar; 6 attached rules on the recycling dial accurately rotate (consistent with the slide calliper rule counting principle) to each little lattice, realize that precision is the fine setting of minimum 0.002mm.Simultaneously, 53 ° of 8 ' Precision trimming formula right boring unit are standarized component, its structure is very small and exquisite, exposed parts only has about 12mm * 15mm, the blade outermost end is higher than cutter baseplane 1mm after it is installed on request, make boring cutter have the ability of processing column root, avoid hitting cutter with the processing parts baseplane in the cutter use procedure.
In sum, the utility model possesses, and is simple in structure, easy to process, cutter integral body degree is good, and micro-adjusting mechanism is easy for installation, stepping down property of processing is good, can avoid hitting the advantages such as cutter with the processing parts baseplane in the cutter use procedure, is particularly suitable for the Excircle machining of small diameter.
Description of drawings
Structural representation when Fig. 1 is the utility model implementation.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
During implementation, referring to Fig. 1, a kind of cylindrical boring cutter, comprise cutter hub and boring head 1, wherein, described cutter hub is one-body molded to be obtained, cutter hub comprises the handle of a knife 2 that is positioned at an end and the knife rest 3 of the other end, described handle of a knife 2 adopts side compression type staight shank structure, and described knife rest 3 is the class V-structure that deviates from an end opening of handle of a knife, and the opening part both sides of knife rest are that two outside inclined-planes form similar trapezoidal opening; Described boring head 1 adopts 53 ° of 8 ' Precision trimming formula right boring unit and is installed on the skew back face of knife rest opening part, the axial line of described 53 ° of 8 ' Precision trimming formula right boring unit perpendicular to this skew back face simultaneously described axial line and cutter hub axial line angle be 53 ° 8 '.
During the utility model implementation, finish assembling after, by processing diameter the right boring unit is carried out preset, make cutter substantially satisfy the processing excircles dimensional requirement.A whole set of cutter after the preset carries out dynamic balancing to be processed, and this moment, cutter reached normal operating condition fully, and the actual measurement excircle dimension size after cutting according to trial cut is carried out precise fine-adjustment to cutter, carries out batch machining after satisfying the excircle dimension precision.When using wearing and tearing to cause the part outer size to change because of boring blade in the process, at the adjusting nut that rotates with spanner on the lathe on the right boring unit, in rotary dial and 6 the attached rules that align a certain, carry out radially fine adjustment, its minimum amount trimmed is 0.002mm, and the part outer size can keep very little tolerance.
The utility model cylindrical boring cutter characteristic: the utility model tool sharpening cylindrical has that extraordinary circularity, cylindricity, position degree precision are high, surface roughness is good, good stability of the dimension, stock-removing efficiency are high; The clamping precision of handle of a knife is good, intensity is high, flexibility is strong, and by cooperating different types of handle of a knife, is fit to the machining center of BT class main shaft interface and HSK class main shaft interface.
Claims (1)
1. cylindrical boring cutter, comprise cutter hub and boring head, it is characterized in that, described cutter hub is one-body molded to be obtained, cutter hub comprises the handle of a knife that is positioned at an end and the knife rest of the other end, described handle of a knife adopts side compression type staight shank structure, and described knife rest is the class V-structure that deviates from an end opening of handle of a knife, and the opening part both sides of knife rest are that two outside inclined-planes form similar trapezoidal opening; Described boring head adopts 53 ° of 8 ' Precision trimming formula right boring unit and is installed on the skew back face of knife rest opening part, the axial line of described 53 ° of 8 ' Precision trimming formula right boring unit perpendicular to this skew back face simultaneously described axial line and cutter hub axial line angle be 53 ° 8 '.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220385865 CN202779867U (en) | 2012-08-06 | 2012-08-06 | Excircle boring cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220385865 CN202779867U (en) | 2012-08-06 | 2012-08-06 | Excircle boring cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202779867U true CN202779867U (en) | 2013-03-13 |
Family
ID=47807209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220385865 Expired - Fee Related CN202779867U (en) | 2012-08-06 | 2012-08-06 | Excircle boring cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202779867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547144A (en) * | 2021-07-23 | 2021-10-26 | 南京晨光集团有限责任公司 | Method for machining cantilever shaft with large-size irregular appearance based on boring |
-
2012
- 2012-08-06 CN CN 201220385865 patent/CN202779867U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547144A (en) * | 2021-07-23 | 2021-10-26 | 南京晨光集团有限责任公司 | Method for machining cantilever shaft with large-size irregular appearance based on boring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20130806 |