CN105945313A - Adjustable deep hole boring tool and adjusting method thereof - Google Patents
Adjustable deep hole boring tool and adjusting method thereof Download PDFInfo
- Publication number
- CN105945313A CN105945313A CN201610473155.6A CN201610473155A CN105945313A CN 105945313 A CN105945313 A CN 105945313A CN 201610473155 A CN201610473155 A CN 201610473155A CN 105945313 A CN105945313 A CN 105945313A
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- China
- Prior art keywords
- cutter claw
- boring
- mandrel
- hole
- dish
- 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
- B23B29/03—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
Abstract
The invention relates to an adjustable deep hole boring tool and an adjusting method thereof. The adjustable deep hole boring tool adopts the structure that a boring bar sleeves a mandrel; one end of the boring bar is connected with a connecting sleeve via threads; the connecting sleeve is fixedly connected with a cutter claw disc holder; a plurality of cutter claws are uniformly distributed in the circumferential direction on an end surface of the cutter claw disc holder and used for mounting of boring blades; a plane thread meshed with a plane thread on a plane thread rotating tray is formed in the bottom of each cutter claw; each cutter claw can move in a radial direction of the cutter claw disc holder when the plane thread rotating tray rotates; the plane thread rotating tray is connected with the mandrel via a key I; a guide block seat used for mounting of a guide block is arranged on a radial outer end surface of each cutter claw; the other end of the boring bar is fixedly connected with a sizing disc; a moment block is fixed on the outer side of the sizing disc via a nut, and is connected with the mandrel via a key II; and an axial through hole is formed in the middle of the mandrel. The adjustable deep hole boring tool and the adjusting method have the advantages that the machining diameter of a boring head and the position of the guide block can be adjusted in certain ranges, and replacement of the boring head is avoided during machining of a deep hole in a certain size gradient, so that the processing range of the deep hole boring tool is greatly enlarged, the machining efficiency is improved, and the machining cost is reduced.
Description
Technical field
The present invention relates to deep hole boring technical field, particularly relate to a kind of adjustable deep-hole boring instrument and method of adjustment thereof.
Background technology
The most domestic deep-hole boring instrument commonly used, particular with the boring head of guide pad, its boring blade and guide block structure
All use stationary structure, in use, along with the continuous increase of bore diameter, need to constantly change the boring cutter on boring head
Sheet and guide pad.When processing the deep hole of different pore size, it is also desirable to change the boring head adapted with aperture, significantly limit
The processing range of boring head, adds the manufacturing cost of deep-hole boring instrument.
Summary of the invention
The invention provides a kind of adjustable deep-hole boring instrument and method of adjustment thereof, within the specific limits boring head can be processed diameter
And guide pad position is adjusted, processing certain size gradient in deep hole time without changing boring head, considerably increase deep-hole boring
The processing range of instrument, is conducive to improving working (machining) efficiency, reduces processing cost.
In order to achieve the above object, the present invention realizes by the following technical solutions:
A kind of adjustable deep-hole boring instrument, including boring bar, mandrel, adapter sleeve, cutter claw dish seat, flat thread capstan and scale
Dish；Described boring bar is contained on mandrel by bearing holder (housing, cover), and boring bar one end is connected with adapter sleeve by screw thread, adapter sleeve and cutter claw dish
Seat is fixing to be connected, and the end face of cutter claw dish seat is evenly distributed several cutter claw for installing boring blade, and each cutter claw is installed in cutter
In the radial direction slideway of pawl dish seat end face；Set flat thread bottom cutter claw to be meshed with the flat thread on flat thread capstan and can
Moving radially along cutter claw dish seat when flat thread capstan rotates, flat thread capstan is connected by key I with mandrel, cutter claw footpath
Outwards end face sets guiding block respectively for installing guide pad；The boring bar other end is fixing with scale dish to be connected, logical outside scale dish
Crossing nut and be fixed with moment block, moment block passes through key II connecting mandrel, sets axially extending bore in the middle part of mandrel.
It is connected by rectangular thread between described boring bar and adapter sleeve.
Described moment block is strip, and middle part is by fixing with mandrel by nut, and two ends set spanner and alignment pin respectively, fixed
Position pin coordinates fixing with the hole, location on scale dish；Hole, uniform multiple location on the circumference that scale dish is corresponding with alignment pin.
Described mandrel is provided with the axially extending bore of scale dish side and is connected with outside coolant duct by pipe joint.
Control method based on a kind of adjustable deep-hole boring instrument, comprises the steps:
1) rotating spanner, moment block is rotated by key II band moving mandrel, and mandrel drives the flat thread of opposite side by key I
Capstan rotates；
2) flat thread capstan drives several cutter claw to synchronize to move radially by flat thread, and cutter claw drives boring blade simultaneously
And fixed block moves radially；
3) when institute's bore hole increases, cutter claw and guiding block are adjusted along cutter claw dish seat radially outward side；When institute's bore hole reduces
Time, cutter claw and guiding block are adjusted along cutter claw dish seat radially-inwardly side；
4), after adjusting, fix by inserting the alignment pin on moment block the hole, location on scale dish to realize position.
Compared with prior art, the invention has the beneficial effects as follows:
1) can within the specific limits boring head processing diameter and guide pad position be adjusted, in processing certain size gradient
Without changing boring head during deep hole, considerably increasing the processing range of deep-hole boring instrument, be conducive to improving working (machining) efficiency, reduction adds
Work cost；
2) simple in construction, easy to adjust, reliable working performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of adjustable deep-hole boring instrument of the present invention.
Fig. 2 is the B direction view in Fig. 1.
Fig. 3 is the A-A sectional view in Fig. 2.
Fig. 4 is the C direction view in Fig. 1.
Fig. 5 is the D direction view in Fig. 1.
Fig. 6 is the flat thread schematic diagram on snail capstan of the present invention.
Fig. 7 is the flat thread schematic diagram being meshed with flat thread on snail capstan bottom cutter claw of the present invention.
In figure: 1. guide the block 2. cutter claw dish seat 3. adapter sleeve 4. centripetal deep groove ball bearing of boring bar 5. mandrel 6.
7. scale dish 8. moment block 9. spanner 10. nut 11. pipe joint 12. key II 13. alignment pin 14. bolt I
15. swivel nut 16. centripetal thrust force roller bearing 17. stop pad 18. bolt II 19. key I 20. bolts III 21.
Cutter claw 22. flat thread capstan 23. bolt IV 24. flat thread
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described further:
As it is shown in figure 1, one of the present invention adjustable deep-hole boring instrument, including boring bar 4, mandrel 5, adapter sleeve 3,
Cutter claw dish seat 2, flat thread capstan 22 and scale dish 7；Described boring bar 4 is sleeved on mandrel 5 by bearing 6,16,
Boring bar 6 one end is connected with adapter sleeve 3 by screw thread, and adapter sleeve 3 is fixing with cutter claw dish seat 2 to be connected, the end of cutter claw dish seat 2
Face is evenly distributed several cutter claw 21 for installing boring blade (as shown in Figure 2), and each cutter claw 21 is installed in cutter claw dish
In the radial direction slideway of seat 2 end faces；Flat thread 24 and the flat thread 24 on flat thread capstan 22 is set bottom cutter claw 21
It is meshed and (as shown in Fig. 3, Fig. 6, Fig. 7) can be moved radially when flat thread capstan 22 rotates along cutter claw dish seat 2,
Flat thread capstan 22 and mandrel 5 is connected by key I 19, cutter claw 21 radial outer end face set respectively guide block 1 for
Guide pad (as shown in Figure 5) is installed；Boring bar 4 other end is fixing with scale dish 7 to be connected, and passes through nut outside scale dish 7
10 are fixed with moment block 8, and moment block 8, by key II 12 connecting mandrel 5, sets axially extending bore in the middle part of mandrel 5.
Described boring bar 4 is connected by rectangular thread between adapter sleeve 3.
Described moment block 8 is strip, and middle part is by fixing with mandrel 5 by nut 10, and two ends set spanner 9 He respectively
Alignment pin 13, alignment pin 13 coordinates fixing with the hole, location on scale dish 7；The circle that scale dish 7 is corresponding with alignment pin 13
Hole, uniform multiple location on week.(as shown in Figure 4)
Described mandrel 5 is provided with the axially extending bore of scale dish 7 side and is connected with outside coolant duct by pipe joint 11.
Control method based on a kind of adjustable deep-hole boring instrument, comprises the steps:
1) rotating spanner 9, moment block 8 is rotated by JianⅡ12Dai moving mandrel 5, and mandrel 5 drives another by key I 19
The flat thread capstan 22 of side rotates；
2) flat thread capstan 22 drives several cutter claw 21 to synchronize to move radially by flat thread 24, and cutter claw 21 is same
Time drive boring blade and fixed block to move radially；
3) when institute's bore hole increases, cutter claw 21 and guiding block 1 are adjusted along cutter claw dish seat 2 radially outward side；When institute's boring
When hole reduces, cutter claw 21 and guiding block 1 are adjusted along cutter claw dish seat 2 radially-inwardly side；
4), after adjusting, the hole, location on scale dish 7 realizes location admittedly by being inserted by the alignment pin 13 on moment block 8
Fixed.
In Fig. 1, mandrel 5 both sides are fixed in boring bar 4 by bearing respectively, wherein the side near cutter claw dish seat 2 set to
Heart thrust roller bearing 16, the inner side setting centripetal 6,2 bearings of deep groove ball bearing near the side of scale dish 7 only sets respectively
Dynamic pad 17, outside is locked by swivel nut 15.
Boring bar 4 one end is connected by bolt I 14 is fixing with scale dish 7, and scale dish 7 and moment block 8 are Split type structure,
Therefore, when rotating spanner 9 and being rotated by moment block 8 band moving mandrel 5, outside boring bar 4 maintains static.
Boring bar 4 other end is connected with adapter sleeve 3 by screw thread, and adapter sleeve 3 is connected with cutter claw dish seat 2 by bolt II 18,
When adjusting cutter claw 21, adapter sleeve 3 and cutter claw dish seat 2 are also fixed.As it is shown on figure 3, cutter claw 21 is transversal
Face is similar to I-shaped, and the groove of its both sides is used for being arranged in the slideway on cutter claw dish seat 2 cutter claw 21, cutter claw
21 end faces set boring blade mounting groove and install boring blade by bolt IV 23, and cutter claw 21 bottom surface sets flat thread 24 and plane spiral shell
Flat thread 24 on stricture of vagina capstan 22 joins engagement, and cutter claw 21 is positioned at the end face of cutter claw dish seat periphery by bolt III 20
Fixing connection guides block 1.
When one of the present invention adjustable deep-hole boring instrument uses, first according to aperture adjustment boring blade and the guide pad of institute's bore hole
Position, then by boring bar integral installation on boring machine, coolant duct is connected with the axially extending bore on mandrel by pipe joint.
During bore hole, boring blade having rotated bore hole around boring bar axis, the guide pad at its rear portion is used for being supported on machined surface guarantor
The stability of card boring bar, in mandrel, logical coolant is used for cooling down, lubricating 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, in the range of can completing certain size
The Boring of different pore size deep hole.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, and appoints
What those familiar with the art is in the technical scope that the invention discloses, according to technical scheme and send out
Bright design equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (5)
1. an adjustable deep-hole boring instrument, it is characterised in that include boring bar, mandrel, adapter sleeve, cutter claw dish seat, put down
Face screw thread capstan and scale dish；Described boring bar is contained on mandrel by bearing holder (housing, cover), and boring bar one end is connected with adapter sleeve by screw thread,
Adapter sleeve and cutter claw dish seat are fixing to be connected, and the end face of cutter claw dish seat is evenly distributed several cutter claw for installing boring blade, each
Cutter claw is installed in the radial direction slideway of cutter claw dish seat end face；Flat thread and the plane on flat thread capstan is set bottom cutter claw
Screw thread is meshed and can move radially along cutter claw dish seat when flat thread capstan rotates, and flat thread capstan and mandrel pass through key
I connects, and cutter claw radial outer end face sets guiding block respectively for installing guide pad；The boring bar other end is fixing with scale dish to be connected,
Being fixed with moment block by nut outside scale dish, moment block passes through key II connecting mandrel, sets axially extending bore in the middle part of mandrel.
One the most according to claim 1 adjustable deep-hole boring instrument, it is characterised in that described boring bar and adapter sleeve
Between connected by rectangular thread.
One the most according to claim 1 adjustable deep-hole boring instrument, it is characterised in that described moment block is strip
Shape, middle part is by fixing with mandrel by nut, and two ends set spanner and alignment pin, alignment pin and the location on scale dish respectively
Hole coordinates fixing；Hole, uniform multiple location on the circumference that scale dish is corresponding with alignment pin.
One the most according to claim 1 adjustable deep-hole boring instrument, it is characterised in that described mandrel is provided with scale
The axially extending bore of dish side is connected with outside coolant duct by pipe joint.
5. control method based on a kind of adjustable deep-hole boring instrument described in claim 1, it is characterised in that include as
Lower step:
1) rotating spanner, moment block is rotated by key II band moving mandrel, and mandrel drives the flat thread of opposite side by key I
Capstan rotates；
2) flat thread capstan drives several cutter claw to synchronize to move radially by flat thread, and cutter claw drives boring blade simultaneously
And fixed block moves radially；
3) when institute's bore hole increases, cutter claw and guiding block are adjusted along cutter claw dish seat radially outward side；When institute's bore hole reduces
Time, cutter claw and guiding block are adjusted along cutter claw dish seat radially-inwardly side；
4), after adjusting, fix by inserting the alignment pin on moment block the hole, location on scale dish to realize position.
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 true CN105945313A (en) | 2016-09-21 |
| CN105945313B CN105945313B (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610473155.6A Active CN105945313B (en) | 2016-06-23 | 2016-06-23 | A kind of adjustable deep-hole boring instrument and its method of adjustment |
Country Status (1)
| Country | Link |
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Cited By (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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| 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 |
| CN1935425A (en) * | 2006-10-19 | 2007-03-28 | 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 |
| CN104646699A (en) * | 2015-02-03 | 2015-05-27 | 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
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Patent Citations (9)
| 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 |
| CN1935425A (en) * | 2006-10-19 | 2007-03-28 | 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 |
| CN104646699A (en) * | 2015-02-03 | 2015-05-27 | 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 |
Cited By (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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|---|---|
| CN105945313B (en) | 2017-12-12 |
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