CN105945313B - A kind of adjustable deep-hole boring instrument and its method of adjustment - Google Patents
A kind of adjustable deep-hole boring instrument and its method of adjustment Download PDFInfo
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- CN105945313B CN105945313B CN201610473155.6A CN201610473155A CN105945313B CN 105945313 B CN105945313 B CN 105945313B CN 201610473155 A CN201610473155 A CN 201610473155A CN 105945313 B CN105945313 B CN 105945313B
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- mandrel
- cutter claw
- boring
- flat thread
- hole
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Classifications
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- 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
- B23B29/03432—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable during manufacturing
- B23B29/03489—Adjustment means not specified or not covered by the groups B23B29/03435 - B23B29/03478
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The present invention relates to a kind of adjustable deep-hole boring instrument and its method of adjustment, boring bar to be sleeved on mandrel, and boring bar one end is connected by screw thread with adapter sleeve, and adapter sleeve is fixedly connected with cutter claw disk seat, and cutter claw disk seat end face is evenly distributed several cutter claws and is used to install boring blade；Cutter claw bottom sets flat thread and is meshed and can be moved radially when flat thread capstan rotates along cutter claw disk seat with the flat thread on flat thread capstan, flat thread capstan is connected with mandrel by key I, and cutter claw radial outer end face, which is set, is oriented to block for installing guide pad；The boring bar other end sets chi disk and torque block successively from inside to outside, and scale disk and torque block are sleeved on mandrel, and by nut axial restraint, axially extending bore is set in the middle part of mandrel.The present invention can process diameter and guide pad position to boring head within the specific limits and be adjusted, and need not change boring head during the deep hole processed in certain size gradient, considerably increase the processing range of deep-hole boring instrument, be advantageous to improve processing efficiency, reduce processing cost.
Description
Technical field
The present invention relates to deep hole boring technical field, more particularly to a kind of adjustable deep-hole boring instrument and its method of adjustment.
Background technology
The deep-hole boring instrument that the country generally uses at present, particular with the boring head of guide pad, its boring blade and guide pad
Structure uses stationary structure, in use, with the continuous increase of bore diameter, need to constantly change the boring on boring head
Blade and guide pad.When processing the deep hole of different pore size, it is also desirable to change the boring head being adapted with aperture, significantly limit
The processing range of boring head, add the manufacturing cost of deep-hole boring instrument.
The content of the invention
The invention provides a kind of adjustable deep-hole boring instrument and its method of adjustment, and boring head can be processed within the specific limits
Diameter and guide pad position are adjusted, process certain size gradient in deep hole when need not change boring head, considerably increase depth
The processing range of hole borer tool, is advantageous to improve processing efficiency, reduces processing cost.
In order to achieve the above object, the present invention is realized using following technical scheme：
A kind of adjustable deep-hole boring instrument, including boring bar, mandrel, adapter sleeve, cutter claw disk seat, flat thread capstan and scale
Disk；By bearing holder (housing, cover) on mandrel, boring bar one end is connected the boring bar by screw thread with adapter sleeve, adapter sleeve and cutter claw disk seat
It is fixedly connected, the end face of cutter claw disk seat is evenly distributed several cutter claws and is used to install boring blade, and each cutter claw is installed in cutter claw
In the radial direction slideway of disk seat end face；Cutter claw bottom sets flat thread and is meshed with the flat thread on flat thread capstan and can be
Flat thread capstan is moved radially when rotating along cutter claw disk seat, and flat thread capstan is connected with mandrel by key I, and cutter claw footpath is outside
End face is set respectively is oriented to block for installing guide pad；The boring bar other end sets chi disk and torque block, scale successively from inside to outside
Disk and torque block are sleeved on mandrel, by nut axial restraint, are connected between torque block and mandrel by key II, in the middle part of mandrel
If axially extending bore.
Connected between the boring bar and adapter sleeve by rectangular thread.
The torque block is strip, and middle part is fixed by nut and mandrel, and both ends set spanner and alignment pin respectively, positioning
Pin coordinates with the positioning hole on scale disk to be fixed；Uniform multiple positioning holes on scale disk circumference corresponding with alignment pin.
The axially extending bore that the mandrel is provided with scale disk side is connected by pipe joint with outside coolant duct.
Based on a kind of adjusting method of adjustable deep-hole boring instrument, comprise the following steps：
1) spanner is rotated, torque block is rotated by key II with moving mandrel, and mandrel drives the flat thread of opposite side by key I
Capstan rotates；
2) flat thread capstan drives several cutter claws synchronously to move radially by flat thread, and cutter claw drives boring cutter simultaneously
Piece and fixed block move radially；
3) when institute's bore hole increase, by cutter claw and block is oriented to along the radially outward side adjustment of cutter claw disk seat；When institute, bore hole subtracts
Hour, by cutter claw and block is oriented to along the radially-inwardly side adjustment of cutter claw disk seat；
4) after adjusting, realize that positioning is fixed by the way that the alignment pin on torque block is inserted in the positioning hole on scale disk.
Compared with prior art, the beneficial effects of the invention are as follows：
1) diameter can be processed to boring head within the specific limits and guide pad position is adjusted, processed in certain size gradient
Deep hole when need not change boring head, considerably increase the processing range of deep-hole boring instrument, be advantageous to improve processing efficiency, reduce plus
Work cost；
2) it is simple in construction, easy to adjust, reliable working performance.
Brief description of the drawings
Fig. 1 is a kind of structural representation of adjustable deep-hole boring instrument of the present invention.
Fig. 2 is the B direction views in Fig. 1.
Fig. 3 is the A-A sectional views in Fig. 2.
Fig. 4 is the C direction views in Fig. 1.
Fig. 5 is the D direction views in Fig. 1.
Fig. 6 is the flat thread schematic diagram on snail capstan of the present invention.
Fig. 7 is that cutter claw bottom of the present invention is illustrated with the flat thread that flat thread is meshed on snail capstan
Figure.
In figure：1. it is oriented to 2. 4. boring bar of cutter claw disk 3. adapter sleeve of seat, 5. mandrel of block, 6. centripetal deep groove ball bearing 7.
The swivel nut of 14. bolt of scale disk 8. torque block, 9. spanner, 10. nut, 11. pipe joint, 12. key, II 13. alignment pin I 15.
16. the flat thread of III 21. cutter claw of centripetal thrust force roller bearing 17. stop pad, 18. bolt, II 19. key, I 20. bolt 22.
The flat thread of 23. bolt of capstan IV 24.
Embodiment
The embodiment of the present invention is described further below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of adjustable deep-hole boring instrument of the present invention, including boring bar 4, mandrel 5, adapter sleeve 3, cutter claw
Disk seat 2, flat thread capstan 22 and scale disk 7；The boring bar 4 is sleeved on mandrel 5 by bearing 6,16, and the one end of boring bar 6 leads to
Cross screw thread to be connected with adapter sleeve 3, adapter sleeve 3 is fixedly connected with cutter claw disk seat 2, and the end face of cutter claw disk seat 2 is evenly distributed several
Cutter claw 21 is used to install boring blade (as shown in Figure 2), and each cutter claw 21 is installed in the radial direction slideway of the end face of cutter claw disk seat 2；
The bottom of cutter claw 21 sets flat thread 24 and is meshed with the flat thread 24 on flat thread capstan 22 and can be in flat thread capstan
22 move radially (as shown in Fig. 3, Fig. 6, Fig. 7) when rotating along cutter claw disk seat 2, and flat thread capstan 22 passes through key I 19 with mandrel 5
Connection, the radial outer end face of cutter claw 21 is set respectively is oriented to block 1 for installing guide pad (as shown in Figure 5)；The other end of boring bar 4 is in
Outwards set chi disk 7 successively and torque block 8, scale disk 7 and torque block 8 are sleeved on mandrel 5, by the axial restraint of nut 10,
Connected between torque block 8 and mandrel 5 by key II 12, the middle part of mandrel 5 sets axially extending bore.
Connected between the boring bar 4 and adapter sleeve 3 by rectangular thread.
The torque block 8 is strip, and middle part is fixed by nut 10 and mandrel 5, and both ends set spanner 9 and alignment pin respectively
13, alignment pin 13 coordinates with the positioning hole on scale disk 7 to be fixed；Scale disk 7 is uniform multiple with 13 corresponding circumference of alignment pin
Positioning hole.(as shown in Figure 4)
The axially extending bore that the mandrel 5 is provided with the side of scale disk 7 is connected by pipe joint 11 with outside coolant duct.
Based on a kind of adjusting method of adjustable deep-hole boring instrument, comprise the following steps：
1) spanner 9 is rotated, torque block 8 is rotated by the band of key II 12 moving mandrel 5, and mandrel 5 drives opposite side by key I 19
Flat thread capstan 22 rotates；
2) flat thread capstan 22 drives several cutter claws 21 synchronously to move radially by flat thread 24, and cutter claw 21 is simultaneously
Boring blade and fixed block is driven to move radially；
3) when institute's bore hole increase, by cutter claw 21 and block 1 is oriented to along the radially outward side adjustment of cutter claw disk seat 2；When institute's boring
When hole reduces, by cutter claw 21 and block 1 is oriented to along the radially-inwardly side adjustment of cutter claw disk seat 2；
4) after adjusting, realize that positioning is solid by the way that the alignment pin 13 on torque block 8 is inserted in the positioning hole on scale disk 7
It is fixed.
In Fig. 1, the both sides of mandrel 5 are fixed in boring bar 4 by bearing respectively, wherein close to the side of cutter claw disk seat 2 set to
Heart thrust roller bearing 16, the inner side that centripetal 6,2 bearings of deep groove ball bearing are set close to the side of scale disk 7 set stop pad respectively
17, outside is locked by swivel nut 15.
The one end of boring bar 4 is fixedly connected by bolt I 14 with scale disk 7, and scale disk 7 and torque block 8 are Split type structure, therefore
When rotation spanner 9 is rotated by moment block 8 with moving mandrel 5, outside boring bar 4 is fixed.
The other end of boring bar 4 is connected by screw thread with adapter sleeve 3, and adapter sleeve 3 is connected by bolt II 18 with cutter claw disk seat 2,
When adjusting cutter claw 21, adapter sleeve 3 and cutter claw disk seat 2 are also fixed.As shown in figure 3, the cross section of cutter claw 21 is similar
In I-shaped, the groove of its both sides is used to cutter claw 21 being arranged in the slideway on cutter claw disk seat 2, and the top surface of cutter claw 21 sets boring cutter
Piece mounting groove installs boring blade by bolt IV 23, and the bottom surface of cutter claw 21 sets flat thread 24 and the plane on flat thread capstan 22
For screw thread 24 with engagement, the end face that cutter claw 21 is located at cutter claw disk seat periphery is fixedly connected with guiding block 1 by bolt III 20.
A kind of adjustable deep-hole boring instrument of the present invention is in use, first according to the aperture adjustment boring blade of institute's bore hole and lead
To the position of block, then by boring bar integral installation on boring machine, coolant duct is passed through into the axially extending bore on pipe joint and mandrel
It is connected.During bore hole, rotated by boring blade around boring bar axis and complete bore hole, the guide pad at its rear portion is used to be supported on machined surface
The upper stability for ensureing boring bar, coolant is led in mandrel and is used to cool down, lubricate finished surface and take iron filings by bore hole out of.
The present invention is being changed without on deep-hole boring instrument on the premise of boring blade and guide pad, you can is completed to certain size model
Enclose the Boring of interior different pore size deep hole.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (5)
1. a kind of adjustable deep-hole boring instrument, it is characterised in that including boring bar, mandrel, adapter sleeve, cutter claw disk seat, flat thread
Capstan and scale disk；The boring bar is by bearing holder (housing, cover) on mandrel, and boring bar one end is connected by screw thread with adapter sleeve, adapter sleeve
It is fixedly connected with cutter claw disk seat, the end face of cutter claw disk seat is evenly distributed several cutter claws and is used to install boring blade, and each cutter claw is equal
In the radial direction slideway of cutter claw disk seat end face；Cutter claw bottom sets flat thread and the flat thread phase on flat thread capstan
Engaging and can be moved radially when flat thread capstan rotates along cutter claw disk seat, flat thread capstan is connected with mandrel by key I,
Cutter claw radial outer end face is set respectively is oriented to block for installing guide pad；The boring bar other end sets chi disk and power successively from inside to outside
Square block, scale disk and torque block are sleeved on mandrel, by nut axial restraint, are connected between torque block and mandrel by key II
Connect, axially extending bore is set in the middle part of mandrel.
2. a kind of adjustable deep-hole boring instrument according to claim 1, it is characterised in that between the boring bar and adapter sleeve
Connected by rectangular thread.
A kind of 3. adjustable deep-hole boring instrument according to claim 1, it is characterised in that the torque block is strip,
Middle part is fixed by nut and mandrel, and both ends set spanner and alignment pin respectively, and alignment pin coordinates solid with the positioning hole on scale disk
It is fixed；Uniform multiple positioning holes on scale disk circumference corresponding with alignment pin.
4. a kind of adjustable deep-hole boring instrument according to claim 1, it is characterised in that the mandrel is provided with scale disk one
The axially extending bore of side is connected by pipe joint with outside coolant duct.
5. the adjusting method based on a kind of adjustable deep-hole boring instrument described in claim 1, it is characterised in that including following step
Suddenly：
1) spanner is rotated, torque block is rotated by key II with moving mandrel, and mandrel drives the flat thread capstan of opposite side by key I
Rotate；
2) flat thread capstan drives several cutter claws synchronously to move radially by flat thread, cutter claw drive simultaneously boring blade and
Fixed block moves radially；
3) when institute's bore hole increase, by cutter claw and block is oriented to along the radially outward side adjustment of cutter claw disk seat；When institute's bore hole reduces,
By cutter claw and block is oriented to along the radially-inwardly side adjustment of cutter claw disk seat；
4) after adjusting, realize that positioning is fixed by the way that the alignment pin on torque block is inserted in the positioning hole on scale disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610473155.6A CN105945313B (en) | 2016-06-23 | 2016-06-23 | A kind of adjustable deep-hole boring instrument and its method of adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610473155.6A CN105945313B (en) | 2016-06-23 | 2016-06-23 | A kind of adjustable deep-hole boring instrument and its method of adjustment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105945313A CN105945313A (en) | 2016-09-21 |
| CN105945313B true CN105945313B (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610473155.6A Active CN105945313B (en) | 2016-06-23 | 2016-06-23 | A kind of adjustable deep-hole boring instrument and its method of adjustment |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107538021A (en) * | 2017-09-28 | 2018-01-05 | 山西风雷钻具有限公司 | A kind of boring head |
| CN108031890A (en) * | 2017-11-26 | 2018-05-15 | 亳州沃野知识产权服务有限公司 | A kind of grooved bit of adjustable aperture |
| CN110732695A (en) * | 2019-10-25 | 2020-01-31 | 西安石油大学 | Machine presss from both sides detachable deep hole reducing boring cutter device |
| CN114260478A (en) * | 2021-11-30 | 2022-04-01 | 河北环鼎石油设备有限责任公司 | Adjustable deep hole boring rod and deep hole boring machine |
| CN114850519A (en) * | 2022-04-14 | 2022-08-05 | 哈尔滨理工大学 | Synchronous diameter-variable modular indexable numerical control boring cutter system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4531866A (en) * | 1982-09-27 | 1985-07-30 | Teledyne Industries, Inc. | Chaser position control |
| EP1629915A1 (en) * | 2004-08-25 | 2006-03-01 | Ernst Graf | Tool holder for turning polygonal surfaces and thread whirling |
| CN100503101C (en) * | 2006-10-19 | 2009-06-24 | 王诚信 | Multifunctional transposable diameter-adjustable multitool machine boring tool |
| CN203621527U (en) * | 2013-12-31 | 2014-06-04 | 成都成量工具集团有限公司 | Novel boring tool |
| CN204338937U (en) * | 2014-12-11 | 2015-05-20 | 曲靖金鑫焦化设备有限公司 | A kind of boring machine fixture shaping for coke oven crossover main taper hole time processing |
| CN104646699B (en) * | 2015-02-03 | 2017-01-18 | 成都成林数控刀具有限公司 | Adjustable double-cutting-edge large-diameter boring cutter with insection eccentric engagement structure |
| CN204470626U (en) * | 2015-03-17 | 2015-07-15 | 北华航天工业学院 | A kind of guide pad radial adjustable deep-hole boring cutter |
| CN205057090U (en) * | 2015-10-13 | 2016-03-02 | 湖南信息职业技术学院 | Radial -adjustable's accurate boring cutter |
| CN205798472U (en) * | 2016-06-23 | 2016-12-14 | 鞍钢重型机械有限责任公司 | A kind of adjustable deep-hole boring instrument |
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2016
- 2016-06-23 CN CN201610473155.6A patent/CN105945313B/en active Active
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| CN105945313A (en) | 2016-09-21 |
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