CN109262001B - High-precision boring device - Google Patents
High-precision boring device Download PDFInfo
- Publication number
- CN109262001B CN109262001B CN201811279938.6A CN201811279938A CN109262001B CN 109262001 B CN109262001 B CN 109262001B CN 201811279938 A CN201811279938 A CN 201811279938A CN 109262001 B CN109262001 B CN 109262001B
- Authority
- CN
- China
- Prior art keywords
- sliding block
- boring
- groove
- guide
- guide sliding
- 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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Links
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 12
- 238000003754 machining Methods 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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
- B23B29/03—Boring heads
- B23B29/034—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings
- B23B29/03403—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing
- B23B29/03417—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing by means of inclined planes
Abstract
The application discloses a high-precision boring device, which comprises a boring head, wherein boring tool holders are distributed on the boring head, and the high-precision boring device also comprises a guide sliding block, a sliding block cover plate, a boring rod and a sliding block pushing hook; the boring head is also provided with a sliding block sliding groove, and the lateral projection of the guide sliding block is approximately L-shaped and correspondingly distributed in the sliding block sliding groove; the guide sliding block is also provided with a push hook limit groove, and the push hook limit groove is upwards formed from the upper bottom surface of the guide sliding block; the guide sliding block is combined with the boring cutter clamp; the lower end of the sliding block pushing hook is connected with the boring bar, and the upper end of the sliding block pushing hook is distributed in the pushing hook limiting groove; the boring bar is connected with a main shaft of the machine tool, drives the boring head to rotate and drives the guide sliding block to reciprocate along the slope surface of the sliding block sliding groove through telescopic movement. The application has the advantages of strong stability, high accuracy and good use effect.
Description
Technical Field
The application relates to the technical field of machining devices, in particular to a high-precision boring device.
Background
The machining field often needs a cutting process, and along with the development of the current industry technology, related parts are more and more precise, and the more severe the machining precision is required, so that the machining device is required to have extremely high stability and precision in order to ensure the machining precision. Boring is a common cutting process, and the quality of a boring head directly determines the machining accuracy. At present, the existing traditional boring head is poor in stability, the continuous smoothness of a cutter notch is not high, miniature saw-tooth-shaped notches are easy to appear when the boring head is particularly used for cutting the inner diameter of a circular outline, and the machining precision and stability are rapidly reduced after the boring head is used for a period of time, so that the traditional boring head cannot meet the machining preparation of the current high-precision equipment.
The foregoing background is only for the purpose of facilitating an understanding of the principles and concepts of the application and is not necessarily in the prior art to the present application and is not intended to be used as an admission that such background is not entitled to antedate such novelty and creativity by virtue of prior application or that it is already disclosed at the date of filing of this application.
Disclosure of Invention
Aiming at the technical problems, the application provides the boring device with strong stability, high accuracy and good use effect.
In order to achieve the above purpose, the application adopts the following technical scheme:
the high-precision boring device comprises a boring head, wherein boring tool holders are distributed on the boring head, and the high-precision boring device further comprises a guide sliding block, a sliding block cover plate, a boring rod and a sliding block push hook; the boring head is also provided with a sliding block sliding groove, the bottom surface of the sliding block sliding groove is a slope surface, the boring head is provided with a boring bar shaft hole along the middle shaft, and a pushing hook movable groove is arranged between the lower bottom surface of the sliding block sliding groove and the boring bar shaft hole; the side projection of the guide sliding block is approximately L-shaped, the inclination of the upper bottom surface of the guide sliding block corresponds to the slope surface of the sliding block sliding groove and is correspondingly distributed in the sliding block sliding groove, and the guide sliding block is covered in the sliding block sliding groove by the sliding block cover plate; the guide sliding block is also provided with a push hook limit groove, and the push hook limit groove is upwards formed from the upper bottom surface of the guide sliding block; the guide sliding block is combined with the boring cutter clamp; the boring bars are distributed in the boring bar shaft holes; the lower end of the sliding block pushing hook is connected with the boring bar, the upper end of the sliding block pushing hook is distributed in the pushing hook limiting groove, and a space which is enough for the sliding block pushing hook to stretch up and down is reserved in the depth of the pushing hook limiting groove; the sliding block pushing hooks are distributed in the pushing hook movable grooves; the boring bar is connected with a main shaft of the machine tool, drives the boring head to rotate and drives the guide sliding block to reciprocate along the slope surface of the sliding block sliding groove through telescopic movement.
Further, an included angle formed by the upper bottom surface of the guide sliding block and the central axis of the boring head is 45-60 degrees.
Furthermore, the lower part of the guide slide block is provided with a boring cutter holder mounting hole, and two sides of the guide slide block are provided with wear-resisting block mounting grooves; the boring cutter clamp penetrates through the boring cutter clamp mounting hole and is combined and fixed with the guide sliding block; a spring mounting hole is also formed in the wear-resistant block mounting groove; springs are distributed in the spring mounting holes; wear-resisting piece still distributes in the wear-resisting piece mounting groove, wear-resisting piece covers the spring outer end.
Furthermore, the inner side surface of the wear-resistant block is also provided with a spring positioning hole corresponding to the spring mounting hole.
Furthermore, an oil groove is formed in the outer side body surface of the wear-resistant block, and an oil hole is formed in the oil groove.
Furthermore, the guide sliding block is provided with an oil filling hole, and an oil conveying hole is arranged corresponding to the oil filling hole.
Further, a boring cutter holder tightening bolt hole is further formed in the front upper portion of the boring cutter holder mounting hole.
Furthermore, the lower end of the sliding block pushing hook is connected with the boring bar through bolts holes correspondingly formed.
Compared with the prior art, the application has the beneficial effects that: according to the application, the guide sliding block is arranged, and plays a role in guiding movement on the boring cutter, and the guide sliding block is approximately L-shaped, so that the self weight of the guide sliding block is reduced, the back and forth movement efficiency is improved, the reciprocating inertia force is reduced, and the sliding stability of the boring cutter in the processes of circular contour cutting and the like is particularly improved; and the motion direction of the guide sliding block is inclined at a certain angle relative to the center axis direction of the boring head, especially between 45 and 60 degrees, so that vibration caused by axial expansion force to cutting can be effectively reduced, the stability of the boring cutter is obviously improved, the cutting accuracy and the smoothness of a cutter notch are improved, and the cutting effect is obviously improved. Meanwhile, the wear-resistant block can be filled with lubricating oil, so that the sliding smoothness and the wear resistance are improved, and meanwhile, the elastic compensation wear amount can be realized after the wear-resistant block is worn, so that the machining precision is continuously ensured. The application can ensure due running stability and wear resistance and improve cutting effect.
Drawings
FIG. 1 is a schematic view of the body structure of a boring head according to the present application;
FIG. 2 is a schematic view of the structure of the boring head of the present application;
FIG. 3 is a side view of the guide slide body of the present application;
FIG. 4 is a top view of the guide slide body of the present application;
FIG. 5 is a schematic view of the outer body surface structure of the wear block of the present application;
FIG. 6 is a cross-sectional structural view of the wear block of the present application;
FIG. 7 is a side view of the guide slide of the present application assembled with a boring tool holder;
FIG. 8 is a top view of the guide slide of the present application assembled with a boring bar clamp.
Fig. 9 is a cutaway view of the present application.
Detailed Description
As shown in fig. 1 to 9, a high-precision boring device comprises a boring head 1, wherein boring tool holders 3 are distributed on the boring head 1, and boring blades are arranged on the boring tool holders 3; the device also comprises a guide slide block 2, a slide block cover plate 1-3, a boring bar 7 and a slide block push hook 6; the boring head 1 is also provided with a sliding block sliding groove 1-1; the bottom surface of the sliding block sliding groove 1-1 is a slope surface, and the included angle formed by the slope surface and the central axis of the boring head 1 can be 45 degrees, 50 degrees, 55 degrees, 60 degrees and the like; the lateral projection of the guide slide block 2 is approximately L-shaped, the inclination of the upper bottom surface of the guide slide block corresponds to the slope surface angle of the slide block sliding groove 1-1 and is correspondingly distributed in the slide block sliding groove 1-1, and the guide slide block 2 is covered in the slide block sliding groove 1-1 by the slide block cover plate 1-3; the boring head 1 is provided with a boring bar shaft hole 1-2 along the middle shaft, and a pushing hook movable groove 1-4 is arranged between the lower bottom surface of the sliding block sliding groove and the boring bar shaft hole; the guide slide block 2 is also provided with a push hook limit groove 2-6, and the push hook limit groove 2-6 is upwards arranged from the upper bottom surface of the guide slide block 2; the lower part of the guide sliding block 2 is provided with a boring cutter holder mounting hole 2-4, the front upper part of the boring cutter holder mounting hole 2-4 is also provided with a boring cutter holder tightening bolt hole 2-5, and two sides of the boring cutter holder tightening bolt hole are provided with wear-resistant block mounting grooves 2-2 in a parallelogram shape; the boring cutter clamp 3 passes through the boring cutter clamp mounting hole 2-4 to be combined with the guide sliding block 2 and is fastened and fixed on the bolt hole 2-5 through the boring cutter clamp tightening bolt hole, and the high-strength support can be provided for the boring cutter in the fixing mode, so that the boring cutter is ensured to be stable. 3 spring mounting holes 2-3 are also formed in the wear-resistant block mounting groove 2-2; wear-resisting piece mounting groove 2-2 is interior still to be distributed and is the wear-resisting piece 4 of parallelogram shape, the medial surface of wear-resisting piece 4 still corresponds the spring mounting hole is equipped with spring locating hole 4-3. Springs 5 are distributed in the spring mounting holes 2-3 and the spring positioning holes 4-3; the wear-resistant block 4 covers the outer end of the spring 5, namely, the spring 5 always presses the wear-resistant block 4 outwards after installation. In order to improve the sliding effect, an oil groove 4-2 is formed in the outer side surface of the wear-resisting block 4, and an oil hole 4-1 is formed in the oil groove. The guide sliding block 2 is also provided with an oil filling hole 2-1 and an oil conveying hole 2-11 corresponding to the oil filling hole.
The boring bars 7 are distributed in the boring bar shaft holes 1-2; the lower end of the sliding block pushing hook 6 is in bolted connection with the boring bar 7 through a bolt hole 8 correspondingly formed, the upper end of the sliding block pushing hook 6 is distributed in the pushing hook limiting groove 2-6, a space which is enough for the sliding block pushing hook 6 to stretch up and down is reserved in the depth formed by the pushing hook limiting groove 2-6, and of course, the angle formed by the pushing hook limiting groove 2-6 and the distribution angle of the sliding block pushing hook 6 are corresponding, so that the sliding block pushing hook 6 can ensure that the guide sliding block 2 swings back and forth along the sliding block sliding groove 1-1 direction when being pushed by the boring bar 7. The sliding block pushing hooks are distributed in the pushing hook movable grooves 1-4; of course, the boring bar is connected with the main shaft of the machine tool, and drives the boring head 1 to rotate and drives the guide sliding block to reciprocate along the slope surface of the sliding block sliding groove through telescopic movement.
Claims (5)
1. The utility model provides a high accuracy boring device, includes the boring head, boring cutter holder is distributed on the boring head, its characterized in that: the device also comprises a guide sliding block, a sliding block cover plate, a boring bar and a sliding block pushing hook; the boring head is also provided with a sliding block sliding groove, the bottom surface of the sliding block sliding groove is a slope surface, the boring head is provided with a boring bar shaft hole along the middle shaft, and a pushing hook movable groove is arranged between the lower bottom surface of the sliding block sliding groove and the boring bar shaft hole; the side projection of the guide sliding block is approximately L-shaped, the inclination of the bottom surface of the guide sliding block corresponds to the slope surface of the sliding block sliding groove and is correspondingly distributed in the sliding block sliding groove, and the guide sliding block is covered in the sliding block sliding groove by the sliding block cover plate; the guide sliding block is also provided with a push hook limiting groove, and the push hook limiting groove is formed upwards from the bottom surface of the guide sliding block; the guide sliding block is combined with the boring cutter clamp; the boring bars are distributed in the boring bar shaft holes; the lower end of the sliding block pushing hook is connected with the boring bar, the upper end of the sliding block pushing hook is distributed in the pushing hook limiting groove, and a space which is enough for the sliding block pushing hook to stretch up and down is reserved in the depth of the pushing hook limiting groove; the sliding block pushing hooks are distributed in the pushing hook movable grooves; the boring bar is connected with a main shaft of the machine tool, drives the boring head to rotate and drives the guide sliding block to reciprocate along the slope surface of the sliding block sliding groove through telescopic movement;
the lower part of the guide sliding block is provided with a boring cutter holder mounting hole, and two sides of the guide sliding block are provided with wear-resisting block mounting grooves; the boring cutter clamp penetrates through the boring cutter clamp mounting hole and is combined and fixed with the guide sliding block; a spring mounting hole is also formed in the wear-resistant block mounting groove; springs are distributed in the spring mounting holes; wear-resisting blocks are also distributed in the wear-resisting block mounting grooves, and the wear-resisting blocks cover the outer ends of the springs;
the inner side surface of the wear-resistant block is also provided with a spring positioning hole corresponding to the spring mounting hole;
an oil groove is formed in the outer side body surface of the wear-resistant block, and an oil hole is formed in the oil groove.
2. The high precision boring device of claim 1, wherein: and an included angle formed by the bottom surface of the guide sliding block and the central axis of the boring head is 45-60 degrees.
3. The high precision boring device of claim 1, wherein: and the guide sliding block is provided with an oil injection hole and an oil transmission hole corresponding to the oil injection hole.
4. The high precision boring device of claim 1, wherein: the front upper part of the boring cutter clamp mounting hole is also provided with a boring cutter clamp tightening bolt hole.
5. The high precision boring device of claim 1, wherein: the lower end of the sliding block pushing hook is connected with the boring bar through bolts correspondingly provided with bolt holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811279938.6A CN109262001B (en) | 2018-10-30 | 2018-10-30 | High-precision boring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811279938.6A CN109262001B (en) | 2018-10-30 | 2018-10-30 | High-precision boring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109262001A CN109262001A (en) | 2019-01-25 |
| CN109262001B true CN109262001B (en) | 2023-10-24 |
Family
ID=65190903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811279938.6A Active CN109262001B (en) | 2018-10-30 | 2018-10-30 | High-precision boring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109262001B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5044841A (en) * | 1990-07-20 | 1991-09-03 | Litton Industrial Automation Systems, Inc. | Valve seat bushing machining apparatus |
| JPH06304804A (en) * | 1993-04-23 | 1994-11-01 | Seiwa Seiki Kk | Cutting tool |
| DE19519639A1 (en) * | 1994-07-20 | 1996-01-25 | Komet Stahlhalter Werkzeug | Machine tool chuck with axially moving jaws |
| US5620284A (en) * | 1994-03-07 | 1997-04-15 | Mitsubishi Materials Corporation | Cutting tool |
| JPH10225806A (en) * | 1997-02-17 | 1998-08-25 | Fuji Seiko Kk | Cutting tool for tapered peripheral surface |
| JPH11347812A (en) * | 1998-06-03 | 1999-12-21 | Fuji Seiko Ltd | Taper circumferential face cutting tool |
| JP2000061722A (en) * | 1998-08-21 | 2000-02-29 | Nippei Toyama Corp | Valve seat cutting tool |
| JP2001353605A (en) * | 2000-06-15 | 2001-12-25 | Mitsubishi Materials Corp | Cutting tool |
| DE102004043757A1 (en) * | 2003-09-29 | 2005-05-19 | Cross Hüller GmbH | Twin-bevelled sliding head cutting tool for machining valve seat and valve guide for special machines and transfer units |
| CN205218117U (en) * | 2015-11-16 | 2016-05-11 | 上海柴油机股份有限公司 | Engine valve seat insert conical bore cutting device |
| CN209157167U (en) * | 2018-10-30 | 2019-07-26 | 广西玉柴机器股份有限公司 | A kind of high-accuracy boring turning device |
-
2018
- 2018-10-30 CN CN201811279938.6A patent/CN109262001B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5044841A (en) * | 1990-07-20 | 1991-09-03 | Litton Industrial Automation Systems, Inc. | Valve seat bushing machining apparatus |
| JPH06304804A (en) * | 1993-04-23 | 1994-11-01 | Seiwa Seiki Kk | Cutting tool |
| US5620284A (en) * | 1994-03-07 | 1997-04-15 | Mitsubishi Materials Corporation | Cutting tool |
| DE19519639A1 (en) * | 1994-07-20 | 1996-01-25 | Komet Stahlhalter Werkzeug | Machine tool chuck with axially moving jaws |
| JPH10225806A (en) * | 1997-02-17 | 1998-08-25 | Fuji Seiko Kk | Cutting tool for tapered peripheral surface |
| JPH11347812A (en) * | 1998-06-03 | 1999-12-21 | Fuji Seiko Ltd | Taper circumferential face cutting tool |
| JP2000061722A (en) * | 1998-08-21 | 2000-02-29 | Nippei Toyama Corp | Valve seat cutting tool |
| JP2001353605A (en) * | 2000-06-15 | 2001-12-25 | Mitsubishi Materials Corp | Cutting tool |
| DE102004043757A1 (en) * | 2003-09-29 | 2005-05-19 | Cross Hüller GmbH | Twin-bevelled sliding head cutting tool for machining valve seat and valve guide for special machines and transfer units |
| CN205218117U (en) * | 2015-11-16 | 2016-05-11 | 上海柴油机股份有限公司 | Engine valve seat insert conical bore cutting device |
| CN209157167U (en) * | 2018-10-30 | 2019-07-26 | 广西玉柴机器股份有限公司 | A kind of high-accuracy boring turning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109262001A (en) | 2019-01-25 |
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