CN104690322A - Annular boring cutter tool - Google Patents
Annular boring cutter tool Download PDFInfo
- Publication number
- CN104690322A CN104690322A CN201510049405.9A CN201510049405A CN104690322A CN 104690322 A CN104690322 A CN 104690322A CN 201510049405 A CN201510049405 A CN 201510049405A CN 104690322 A CN104690322 A CN 104690322A
- Authority
- CN
- China
- Prior art keywords
- fixed bar
- mounting groove
- annular
- borer
- frock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/24—Tool holders for a plurality of cutting tools, e.g. turrets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The invention relates to an annular boring cutter tool which comprises a cylindrical rotary bracket, wherein a connecting shaft hole is formed in the middle of the rotary bracket, and a plurality of cutter clamping assemblies are arranged on the rotary bracket; each cutter clamping assembly comprises a semi-closed columnar mounting groove formed in the rotary bracket, an opening of the mounting groove is formed in a cylindrical side surface of the rotary bracket, and two reference surfaces are symmetrically arranged in the mounting groove and parallel to each other; a limiting block is arranged in the middle of each of the two reference surfaces, the limiting block is long-strip-shaped, and an axis of the limiting block is perpendicular to that of the columnar mounting groove; a fixing rod A is arranged in a position, corresponding to an upper part of the limiting block, of one reference surface and movably connected with a mounting hole A perpendicular to the reference surface; a fixing rod B is arranged in a position, corresponding to a lower part of the limiting block, of the other reference surface and movably connected with a mounting hole B perpendicular to the reference surface.
Description
Technical field
The present invention relates to a kind of annular borer frock, belong to Boring apparatus field.
Background technology
Bore hole is to forging, and cast out or the further processing of drilling bore hole, bore hole can expand aperture, improves precision, reduces surface roughness, can also correct the deflection of original axially bored line preferably.Bore hole can be divided into heavy boring, half right boring and right boring.The dimensional accuracy in right boring hole can reach IT8 ~ IT7, surface roughness Ra value 1.6 ~ 0.8 μm.
Bore hole is divided into general bore hole and deep hole bore hole, and general bore hole is just passable at engine lathe, and boring cutter is fixed on tail stock or is fixed on can on small tool.Deep hole bore hole needs special deep hole drilling and boring machine, and boring cutter will add boring stalk, also will add that hydraulic power unit utilizes cooling fluid that iron filings are got rid of.
In Boring process, general use single boring cutter, opposite piece does circular-rotation, carry out the cutting of point-like, the local stress of this kind of cutting way to inner hole of workpiece is larger, local compression during bore hole, be easy to the distortion causing workpiece, simultaneously traditional single boring cutter also can because of surface of the work pressure when cutting, there is the distortion of trace with cheap, thus affect the circularity of inner hole of workpiece, especially for some pilot holes, such deviation, can have a strong impact on the fitness in workpiece and hole and the degree of convenience of assembling.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the problem that in prior art, single boring cutter bore hole error is large, provides a kind of annular borer frock.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of annular borer frock, comprises a columniform runing rest, in the middle part of described runing rest, is provided with connecting shaft hole, described runing rest is provided with some cutter clamp assemblies;
Described cutter clamp assembly comprises a semi-enclosed cylindricality mounting groove be arranged in runing rest, and the opening of described mounting groove is positioned on the cylindrical side of runing rest, is symmetrically arranged with two datum levels in described mounting groove, and described two datum levels are parallel to each other;
Be provided with a limited block at the middle part of two datum levels, described limited block is strip, the axis of limited block and the axes normal of cylindricality mounting groove;
The upper position of the corresponding limited block of one of them datum level described is provided with a fixed bar A, and described fixed bar A is flexibly connected by an installing hole A vertical with datum level;
The lower position of the corresponding limited block of another datum level described is provided with a fixed bar B, and described fixed bar B is flexibly connected by an installing hole B perpendicular with aforesaid datum level.
As further innovation of the present invention, be connected with a top briquetting at the blind end of described mounting groove by Flexible Connector, described top briquetting is in axial sliding along mounting groove.
As further innovation of the present invention, described Flexible Connector is spring.
As further innovation of the present invention, described fixed bar A is a screw rod, and described fixed bar A is flexibly connected with installing hole A by screw thread.
As further innovation of the present invention, the head of described fixed bar A is a hemisphere face.
As further innovation of the present invention, described fixed bar B is a screw rod, and described fixed bar B is flexibly connected with installing hole B by screw thread.
As further innovation of the present invention, the head of described fixed bar B is a hemisphere face.
As further innovation of the present invention, described connecting shaft hole is a spline.
The invention has the beneficial effects as follows:
1, to realize boring cutter by an annular boring tool rest fixing in the present invention, the boring cutter be circular layout is when carrying out bore hole, and compared to single boring cutter structure, its cutting stress is more even, be not easy the distortion causing inner hole of workpiece, be also less likely to occur the skew of Cutting tool installation manner position.
2, push up briquetting can compress boring cutter dynamically, preventing cutter when cutting, offseting, affecting circularity and the quality of bore hole.
3, the fixed bar A of screw is convenient to the clamping of cutter more, also be convenient to regulate the bed knife of cutter simultaneously, when the bulb of fixed bar A head can reduce clamping, the frictional force between fixed bar A head and tool surface, improves the life-span of cutter and fixed bar A.
4, the fixed bar B of screw is convenient to the clamping of cutter more, also be convenient to regulate the bed knife of cutter simultaneously, when the bulb of fixed bar B head can reduce clamping, the frictional force between fixed bar B head and tool surface, improves the life-span of cutter and fixed bar B.
5, its moment of torsion transmission effect of fixed mechanism changing key slot type is better, and anti-radial deflection performance is also stronger.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is generalized section of the present invention.
Figure comprises: boring cutter 1,
Limited block 2,
Fixed bar B3,
Fixed bar A4,
Top briquetting 5,
Diastole spring 6,
Spline 7.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Figure 1, the present invention is a kind of annular borer frock, comprises a columniform runing rest, in the middle part of described runing rest, is provided with connecting shaft hole, and described runing rest is provided with some cutter clamp assemblies;
Described cutter clamp assembly comprises a semi-enclosed cylindricality mounting groove be arranged in runing rest, and the opening of described mounting groove is positioned on the cylindrical side of runing rest, is symmetrically arranged with two datum levels in described mounting groove, and described two datum levels are parallel to each other;
Be provided with a limited block 2 at the middle part of two datum levels, described limited block 2 is strip, the axis of limited block 2 and the axes normal of cylindricality mounting groove;
The upper position of the corresponding limited block 2 of one of them datum level described is provided with a fixed bar A4, and described fixed bar A4 is a screw rod, and described fixed bar A4 is flexibly connected by the installing hole A that screw thread and relative datum face are vertical;
The lower position of the corresponding limited block 2 of another datum level described is provided with a fixed bar B3, and described fixed bar B3 is flexibly connected by an installing hole B vertical with relative datum face;
Be connected with a top briquetting 5 at the blind end of described mounting groove by diastole spring 6 connector, described top briquetting 5 is in axial sliding along mounting groove;
The head of described fixed bar B3 is a hemisphere face; Described connecting shaft hole is a spline 7;
During mounting cutter, as shown in the figure, by boring cutter 1(in this knife rest, lathe face cutter is adopted to substitute traditional boring cutter 1) put in cylindricality mounting groove, make the axis being parallel of cutting edge and runing rest, and by the briquetting 5 that bears down on one under pretightning force, pass through spanner, fixed bar A4 and fixed bar B3 is made to extend in mounting groove, make cutter amesiality and clamp, now tool surface is at level pressure block, fixed bar A4 bulb, fixed bar B3 bulb, under the common support of two limited blocks 2, realize fixing cutter, the fulcrum of fixture of the present invention is many, be not easy to allow cutter offset, and the cutter that annular is arranged, the uniformity of whole borer to workpiece hole inner wall pressure can be improved, improve the quality of bore hole.
The beneficial effect of this product has:
1, to realize boring cutter by an annular boring tool rest fixing in the present invention, the boring cutter be circular layout is when carrying out bore hole, and compared to single boring cutter structure, its cutting stress is more even, be not easy the distortion causing inner hole of workpiece, be also less likely to occur the skew of Cutting tool installation manner position.
2, push up briquetting can compress boring cutter dynamically, preventing cutter when cutting, offseting, affecting circularity and the quality of bore hole.
3, the fixed bar A of screw is convenient to the clamping of cutter more, also be convenient to regulate the bed knife of cutter simultaneously, when the bulb of fixed bar A head can reduce clamping, the frictional force between fixed bar A head and tool surface, improves the life-span of cutter and fixed bar A.
4, the fixed bar B of screw is convenient to the clamping of cutter more, also be convenient to regulate the bed knife of cutter simultaneously, when the bulb of fixed bar B head can reduce clamping, the frictional force between fixed bar B head and tool surface, improves the life-span of cutter and fixed bar B.
5, its moment of torsion transmission effect of fixed mechanism changing key slot type is better, and anti-radial deflection performance is also stronger.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must determine its technical scope according to right.
Claims (8)
1. an annular borer frock, is characterized in that: comprise a columniform runing rest, in the middle part of described runing rest, be provided with connecting shaft hole, and described runing rest is provided with some cutter clamp assemblies;
Described cutter clamp assembly comprises a semi-enclosed cylindricality mounting groove be arranged in runing rest, and the opening of described mounting groove is positioned on the cylindrical side of runing rest, is symmetrically arranged with two datum levels in described mounting groove, and described two datum levels are parallel to each other;
Be provided with a limited block at the middle part of two datum levels, described limited block is strip, the axis of limited block and the axes normal of cylindricality mounting groove;
The upper position of the corresponding limited block of one of them datum level described is provided with a fixed bar A, and described fixed bar A is flexibly connected by an installing hole A vertical with datum level;
The lower position of the corresponding limited block of another datum level described is provided with a fixed bar B, and described fixed bar B is flexibly connected by an installing hole B perpendicular with aforesaid datum level.
2. a kind of annular borer frock as claimed in claim 1, is characterized in that: be connected with a top briquetting at the blind end of described mounting groove by Flexible Connector, described top briquetting is in axial sliding along mounting groove.
3. a kind of annular borer frock as claimed in claim 2, is characterized in that: described Flexible Connector is spring.
4. a kind of annular borer frock as claimed in claim 1, is characterized in that: described fixed bar A is a screw rod, and described fixed bar A is flexibly connected with installing hole A by screw thread.
5. a kind of annular borer frock as claimed in claim 4, is characterized in that: the head of described fixed bar A is a hemisphere face.
6. a kind of annular borer frock as claimed in claim 1, is characterized in that: described fixed bar B is a screw rod, and described fixed bar B is flexibly connected with installing hole B by screw thread.
7. a kind of annular borer frock as claimed in claim 6, is characterized in that: the head of described fixed bar B is a hemisphere face.
8. a kind of annular borer frock as claimed in claim 1, is characterized in that: described connecting shaft hole is a spline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510049405.9A CN104690322B (en) | 2015-01-31 | 2015-01-31 | A kind of annular borer frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510049405.9A CN104690322B (en) | 2015-01-31 | 2015-01-31 | A kind of annular borer frock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104690322A true CN104690322A (en) | 2015-06-10 |
| CN104690322B CN104690322B (en) | 2017-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510049405.9A Active CN104690322B (en) | 2015-01-31 | 2015-01-31 | A kind of annular borer frock |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0528262A2 (en) * | 1991-08-21 | 1993-02-24 | Sandvik Aktiebolag | Mechanical clamping device |
| CN201848549U (en) * | 2010-09-27 | 2011-06-01 | 天津菱云刀具设计有限公司 | Multi-blade boring bar |
| CN202571351U (en) * | 2012-03-19 | 2012-12-05 | 浙江嘉力宝精机股份有限公司 | Clamping and releasing mechanism for rotary cutter holder capable of adjusting clamping force |
| CN202894457U (en) * | 2012-10-11 | 2013-04-24 | 宝钢集团常州轧辊制造公司 | Blade adjustable cutter head for boring machine |
| CN103350241A (en) * | 2013-06-25 | 2013-10-16 | 合肥鸿强冶金科技有限公司 | Cutter bar for boring cutter with adjustable angle |
| CN203304595U (en) * | 2013-06-17 | 2013-11-27 | 烟台行健特钢精整设备有限公司 | Cam-type synchronous tool setting mechanism of centreless lathe |
-
2015
- 2015-01-31 CN CN201510049405.9A patent/CN104690322B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0528262A2 (en) * | 1991-08-21 | 1993-02-24 | Sandvik Aktiebolag | Mechanical clamping device |
| CN201848549U (en) * | 2010-09-27 | 2011-06-01 | 天津菱云刀具设计有限公司 | Multi-blade boring bar |
| CN202571351U (en) * | 2012-03-19 | 2012-12-05 | 浙江嘉力宝精机股份有限公司 | Clamping and releasing mechanism for rotary cutter holder capable of adjusting clamping force |
| CN202894457U (en) * | 2012-10-11 | 2013-04-24 | 宝钢集团常州轧辊制造公司 | Blade adjustable cutter head for boring machine |
| CN203304595U (en) * | 2013-06-17 | 2013-11-27 | 烟台行健特钢精整设备有限公司 | Cam-type synchronous tool setting mechanism of centreless lathe |
| CN103350241A (en) * | 2013-06-25 | 2013-10-16 | 合肥鸿强冶金科技有限公司 | Cutter bar for boring cutter with adjustable angle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104690322B (en) | 2017-10-03 |
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