CN106735368A - A kind of adjustable fine boring cutter and its self-centering fine-adjusting unit - Google Patents
A kind of adjustable fine boring cutter and its self-centering fine-adjusting unit Download PDFInfo
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- CN106735368A CN106735368A CN201611204334.6A CN201611204334A CN106735368A CN 106735368 A CN106735368 A CN 106735368A CN 201611204334 A CN201611204334 A CN 201611204334A CN 106735368 A CN106735368 A CN 106735368A
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- adjustment
- knife bar
- cutter
- knife
- fine
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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
- B23B29/03403—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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
A kind of adjustable fine boring cutter and its self-centering fine-adjusting unit, including handle of a knife, handle of a knife are provided with clamping hole slot；Knife bar is slidably arranged in clamping hole slot；Knife bar afterbody side is provided with adjustment portion；Self-centering fine-adjusting unit is arranged in adjusting hole；Self-centering fine-adjusting unit coordinates in the adjustment portion of knife bar afterbody；Self-centering fine-adjusting unit includes adjustment bolt and adjustment block, and adjustment block is rotatably flexibly connected the adjustment bolt；Adjustment block one end offers cutter holding tank, and cutter holding tank is corresponding with clamping hole slot；Knife bar afterbody is slidably fitted in cutter holding tank；Forced moving block is symmetrically provided with the axis centre of adjustment block respectively on cutter holding tank two side, forced moving block is slidably fitted in adjustment portion.The adjustable fine boring cutter and its self-centering fine-adjusting unit, both the cutter holding tank being slidably matched with knife bar afterbody had been designed, the drive mechanism that adjustment drives is set in groove sidewall again simultaneously, the slip of without prejudice to knife bar is driven, the telescopic adjustment stroke of knife bar is considerably increased.
Description
Technical field
The present invention relates to the technical field of machining instrument, and in particular to a kind of adjustable fine boring cutter and its self-centering are micro-
Adjust unit.
Background technology
Internal bore groove cutting element is indispensable important tool in hole machined.It was verified that by the presetting of cutter, boring
The cutting time of bed can account for the 25% of net cycle time and bring up to 50% from existing.
Cutter is adjusted on boring bar has lower example advantage:
(1) if the adjusting range of boring cutter is quite big, once cutter can be used to process certain diameter range.
(2) although blade is also not reaching to service life, its abrasion will necessarily cause processing diameter change.The change of diameter
Change can be corrected by adjusting cutter, so that cutter material is fully used.For the building-block machine of a large amount of productions
Boring head, compensation device and measurement apparatus are coupled together can just realize adjust automatically.
Boring cutter adjusting apparatus have formed many adjustment principles in its evolution, and various adjustment principles substantially may be used
To be divided into two kinds of principal modes, one kind adjustment principle is only boring cutter movement, and boring bar keeps its original position motionless, another
Adjustment principle is whole boring bar changing position.
When only having boring cutter to move, adjustment unit of the prior art often complex structure is unsuitable for being arranged on
On minor diameter boring bar.
Such as, the TOHKEMY 2011104700A of Amada Co., Ltd. Jie Taigete discloses a kind of adjustable fine boring cutter,
Boring cutter 52 and adjusting lever 51 are provided with big knife bar translot, boring cutter afterbody is provided with tooth bar 52b, and the head of adjusting lever 51 also is provided with tooth bar
53c, tooth bar 53c and tooth bar 52b are press-fitted on gear 54 up and down.Move forward adjusting lever 51 in translot, by gear, rack drives
Boring cutter 52 is retracted in big knife bar, reduces boring cutter cutting diameter；If adjusting lever 51 is moved after in translot, by gear, tooth bar
Removed outside machete bar before driving boring cutter 52, expand boring cutter cutting diameter.Tooth bar, gear are set in translot, in addition it is also necessary to adjusting lever 51
Reach, the rear drive device moved are connected with adjusting lever 51.This adjustment unit is only suitable for single boring cutter adjustment, it is impossible to accomplish multitool
Synchronous adjustment together.The drive device of at least adjustment unit is exposed outside big knife bar, increase knife bar can bore hole minimum diameter,
Big knife bar will put in boring in hole after all.
How a kind of adjustment unit is developed, and structure simplification can be adapted to mount on the knife bar of minor diameter and have relatively
Big knife bar adjustment stroke, it is therefore desirable to adjustment, the general character problem as industry development are directly completed on lathe.
The content of the invention
For defect present in above-mentioned prior art, it is an object of the invention to provide a kind of adjustable fine boring cutter and its
Self-centering fine-adjusting unit.
The object of the present invention is achieved like this, a kind of adjustable fine boring cutter, including handle of a knife, and handle of a knife is in same level
At least one clamping hole slot is symmetrically provided with around rotation axis；
Handle of a knife end offers adjusting hole, the adjusting hole connection clamping hole slot along axis；
Knife bar is slidably arranged in clamping hole slot；Knife bar afterbody is provided with adjustment portion with the side of knife bar diameter parallel；
Self-centering fine-adjusting unit is arranged in adjusting hole；The self-centering fine-adjusting unit coordinates the tune in each knife bar afterbody
In whole；
The self-centering fine-adjusting unit includes adjustment bolt and adjustment block, and adjustment block is rotatably flexibly connected the adjustment
Bolt, adjustment bolt threaded engagement is in adjusting hole；
The adjustment block has rotation axis, and described adjustment block one end offers at least one cutter holding tank, the knife
Tool holding tank is corresponding with the clamping hole slot；The knife bar afterbody is slidably fitted in the cutter holding tank；Each cutter
Forced moving block is symmetrically provided with the rotation axis of adjustment block respectively on holding tank two side, forced moving block is slidably fitted in described
In adjustment portion.
Further, adjustment portion includes adjustment tank, and the adjustment tank is inclined on the two sides of knife bar afterbody；It is described
Since the top surface in Nogata portion, the axial direction with bit body portion extends obliquely downward adjustment tank into an inclination angle.
Further, the forced moving block is since after the top surface of cutter holding tank vertically downward certain distance, with cutter head sheet
The axial direction in body portion is protruded and is arranged on the two side of the cutter holding tank with extending obliquely downward into inclination angle, the forced moving block
Top surface apart from the top surface of cutter holding tank distance be Bottom Runby.
Further, the forced moving block has identical inclination angle with the adjustment tank, and the inclination angle is at 50 °~70 °
Between.
Further, upper pad compressing tablet is fixed in clamping hole slot, and upper pad compressing tablet also includes pilot hole, and adjustment block also has circle
All spigot surfaces, the circumference spigot surface is slidably fitted in the pilot hole.
Further, it is described clamping hole slot bottom surface as bottom Hubei Province, bottom Hubei Province is provided with knife bar guide part；
Or underlay compressing tablet is fixed in clamping hole slot, the underlay compressing tablet includes bottom Hubei Province guide part, and bottom Hubei Province guide part is replaced
For knife bar guide part；
Knife bar includes Nogata portion, and Nogata portion includes guide rail, and guide rail is slidably fitted in the knife bar guide part.
Further, the top surface of clamping hole slot is provided with tight lock part, and tight lock part includes locking hole, and clamping screw threaded engagement exists
In locking hole and be connected on Nogata portion top surface lock.
A kind of boring cutter self-centering fine-adjusting unit, boring cutter include handle of a knife, handle of a knife end cross around handle of a knife axis centre symmetrically
Slip is provided with least one knife bar；The boring cutter self-centering fine-adjusting unit coordinates the tune of the side wall in knife bar afterbody perpendicular to knife bar
In whole groove, including adjustment bolt and adjustment block, adjustment block is rotatably flexibly connected the adjustment bolt；
The adjustment block has rotation axis, and adjustment block one end correspondence knife bar position offers at least one cutter appearance
Receive groove, symmetrically obliquely protruded from rotation axis respectively on each cutter holding tank two side side wall integrally formed with
Forced moving block, forced moving block is slidably fitted in the adjustment tank of the knife bar rear side wall.
Further, the forced moving block has identical inclination angle with the adjustment tank, and the inclination angle is at 50 °~70 °
Between.
Further, the forced moving block is since after the top surface of cutter holding tank vertically downward certain distance, with cutter head sheet
The axial direction in body portion is protruded and is arranged on the two side of the cutter holding tank with extending obliquely downward into inclination angle, the forced moving block
Top surface apart from the top surface of cutter holding tank distance be Bottom Runby.
The adjustable fine boring cutter and its self-centering fine-adjusting unit, in order to solve, " structure simplification can be adapted to mount to small
Have relatively large knife bar adjustment stroke on the knife bar of diameter again " technical barrier, by following technological means：
1) adjustment block opens up cutter storage tank, and knife bar afterbody is slidably fitted in cutter storage tank, referred to as coordinates I
Adjustment block adjusts movement up and down in handle of a knife central axis upright in knife bar sliding surface, and cutter storage tank is knife bar in folder
Hold and inside contract with overhanging there is provided sufficient space in hole slot.
2) forced moving block being arranged on the wall of side is slidably matched with adjustment tank, referred to as coordinates II
The accommodating groove sidewall protrusion of cutter is obliquely installed forced moving block, and knife bar rear side wall is obliquely installed adjustment tank, and forced moving block is slided
It is dynamic to coordinate in adjustment tank, can trigger shaft moved a certain distance in cutter storage tank；It is such setting allow cooperation II to
The stroke of I is coordinated to concede space, the two combines and achieves unexpected technique effect.
Applicant has abandoned setting for the adjustment tank on the forced moving block mating band moving knife bar afterbody inclined-plane of the design in cone wall
Meter, this design, the stroke of knife bar afterbody occupies a part in itself by cone, therefore, knife bar retract stroke is relative to be shortened；
And the above-mentioned cooperation I of the application combines the design for coordinating II, its driving structure has conceded stroke space for knife bar inside contracts slip, i.e.,
Make the handle of a knife of thin diameter, knife bar retract stroke also relative increase, knife bar afterbody is also designed to wedge shape, and three knife bars are stacked
It is exactly a thickness for knife bar during conjunction.Therefore, coordinating I to combine coordinates the design of II to achieve in small space acquisition relatively
The technique effect of big retract stroke, this is especially apparent when much knives bar is adjusted simultaneously.
The adjustable fine boring cutter and its self-centering fine-adjusting unit, had both designed the cutter being slidably matched with knife bar afterbody and had held
Receive groove, while setting adjustment drive mechanism in groove sidewall again, drive the sliding stroke for being not take up knife bar simultaneously, considerably increase knife
The telescopic adjustment stroke of bar.
Brief description of the drawings
Fig. 1 is the main sectional view (profile position B-B) of adjustable fine boring cutter of the invention and its self-centering fine-adjusting unit.
Fig. 2 is the top view of adjustable fine boring cutter of the invention and its self-centering fine-adjusting unit.
Fig. 3 is the A direction views of adjustable fine boring cutter of the invention and its self-centering fine-adjusting unit.
Fig. 4 is the main sectional view (profile position of the adjustment block of adjustable fine boring cutter of the invention and its self-centering fine-adjusting unit
C-C)。
Fig. 5 is the top view of the adjustment block of adjustable fine boring cutter of the invention and its self-centering fine-adjusting unit.
Fig. 6 is that the knife bar withdrawal threshold position direction of action of adjustable fine boring cutter of the invention and its self-centering fine-adjusting unit is shown
It is intended to.
Fig. 7 is that the knife bar of adjustable fine boring cutter of the invention and its self-centering fine-adjusting unit stretches out extreme position direction of action and shows
It is intended to.
Reference in above-mentioned figure：
1 handle of a knife, 2 clamping hole slots pad compressing tablet, 4 underlay compressing tablets, 5 bottom jaws, 6 tight lock parts, 7 clamping screws, 8 knife bars, 9 tune on 3
It is whole, 10 Nogata portions, 11 adjustment bolts, 12 adjustment blocks, 13 forced moving blocks, 14 locking holes, 15 bottom Hubei Province faces, 16 reference arrows, 17 twist
Tight scale, 18 threaded portions, 19 adjustment block guide parts, 30 self-centering fine-adjusting units
1.1 adjusting holes, positioning step on 2.1,2.2 times upper positioning steps, fixed groove on 3.1,4.1 times fixed grooves,
4.2 bottom Hubei Province guide parts, 5.1 knife bar guide parts
8.1 bit body portions, 8.2 cutting edge portion
10.1 guide rails, 12.1 are flexibly connected hole, 12.2 cutter holding tanks, 12.3 circumference spigot surfaces
Specific embodiment
Embodiments of the invention are elaborated below in conjunction with accompanying drawing, but is not limited to the scope of the present invention.
As shown in Figure 1 to Figure 3, a kind of adjustable fine boring cutter, including handle of a knife 1, the Central Symmetry of handle of a knife 1 are provided with one or more
Clamping hole slot 2, knife bar 8 is slidably arranged in clamping hole slot 2.Preferably, the clamping hole slot 2 is 2-4；The end edge of handle of a knife 1
Axis offers adjusting hole 1.1, the connection clamping hole slot 2 of the adjusting hole 1.1；The end of handle of a knife 1 correspondence clamping hole slot 2 position opens up
There are at least 2 locking holes 14, the connection clamping hole slot 2 of locking hole 14.The adjusting hole 1.1 includes that threaded portion 18 and adjustment block are oriented to
Portion 19；
It is described clamping hole slot 2 be rectangular or square groove, be provided with the clamping hole slot 2 positioning step 2.1 and it is lower on
Positioning step 2.2, the bottom surface of the clamping hole slot is used as bottom jaw 5；Bottom Hubei Province 5 is provided with knife bar guide part 5.1；The knife bar guide part
Preferably dovetail groove.The support bottom surface of knife bar guide part 5.1 is used as the bottom Hubei Province face 15 for clamping cutter；Described 2 or 3 clamping holes
Bottom Hubei Province face 15 of groove is in same level.
It is further preferred that upper pad compressing tablet 3 and underlay compressing tablet 4 are fixed in clamping hole slot 2, the upper pad compressing tablet 3 includes
Upper fixed groove 3.1, the fixed step 3.1 is bolted on positioning step 2.1；The underlay compressing tablet 4 includes
Lower fixed groove 4.1 and bottom Hubei Province guide part 4.2, bottom Hubei Province guide part 4.2 substitute the guide part 5.1 on bottom Hubei Province 5；The lower anchor
Groove 4.1 is bolted on lower positioning step 2.2；The top surface for clamping hole slot 2 is provided with tight lock part 6, and tight lock part 6 includes locking
Hole 14, the threaded engagement of clamping screw 7 in locking hole 14 and be connected on cutter top surface lock；It is preferred that, 2 locking hole correspondences are locked
A tight knife bar 8；Upper pad compressing tablet 3 also includes pilot hole 3.2；
Upper pad compressing tablet 3 and underlay compressing tablet 4 are for the durable of easy to process and cutter and change convenient.
The knife bar 8 includes bit body portion 8.1 and cutting edge portion 8.2, and the cutting edge portion 8.2 is integrally molded described
In body of tool bit portion 8.1；Or the bolt of cutting edge portion 8.2 is fastened on bit body 8.1.
The bit body portion 8.1 includes Nogata portion 10, and Nogata portion 10 is provided with guide rail 10.1 and adjustment portion 9, guide rail
10.1 are slidably fitted in the guide part 5.1 or bottom jaw guide part 4.2；Adjustment portion 9 includes adjustment tank 9.1, the adjustment tank
9.1 are inclined on the two sides at the rear portion in Nogata portion 10.The adjustment tank 9.1 since the top surface 10.2 in Nogata portion 10,
With axially being extended obliquely downward into 50 °~70 ° for bit body portion, cross section is rectangle, swallow-tail form, foursquare blind slot, institute
The depth of adjustment tank 9.1 is stated in 15~30mm.
As shown in Figure 4, Figure 5, also including self-centering fine-adjusting unit 30, the end of handle of a knife 1 offers adjusting hole 1.1, self-centering
Fine-adjusting unit 30 is arranged in adjusting hole；Self-centering fine-adjusting unit 30 coordinates in adjustment portion 9.The self-centering fine-adjusting unit 30
Including adjustment bolt 11 and adjustment block 12, in adjusting hole 1.1, the top pressure of adjustment bolt 11 is in adjustment for the threaded engagement of adjustment bolt 11
On block 12 or in the rotary moveable of the adjustment block 12 connection adjustment bolt 11.The one end of the adjustment block 12 is provided with flexible connection hole
12.1, the other end is provided with cutter holding tank 12.2, and forced moving block 13 is respectively equipped with each two side of cutter holding tank 12.2, forced to move
Block 13 is symmetrical with the axis centre of adjustment block 12, i.e., all forced moving blocks 13 are apart from rotation axis apart from identical；Adjustment block 12 also has
There is circumference spigot surface 12.3, the circumference spigot surface 12.3 is slidably fitted in the adjustment block guide part 19；Or the circle
All spigot surfaces 12.3 are slidably fitted in the pilot hole 3.2 of pad compressing tablet 3.
As shown in Figure 6, Figure 7, the protrusion of the forced moving block 13 is arranged on the two side of the cutter holding tank 12.2, described
The top surface of forced moving block 13 is Bottom Runby H apart from the distance of the top surface of cutter holding tank；The forced moving block 13 is from cutter holding tank
The downward Bottom Runby H of top surface start, and axially being extended obliquely downward into 50 °~70 ° of inclined angle alpha for bit body portion is horizontal
Rectangular cross-section, swallow-tail form, square, it is preferable that the forced moving block 13 is integrally formed with the side wall of cutter holding tank；It is described to compel
The thickness of motion block 13 is in 15~30mm.
Preferably, the forced moving block 13 has identical inclined angle alpha with the adjustment tank 9.1.Can also be, it is described forced to move
Inclination angle of the inclination angle of block 13 less than the adjustment tank 9.1.
It is further preferred that the supporting surface that the side wall of knife bar afterbody is slided perpendicular to knife bar, i.e. bottom jaw face 15, so, allow
The rotation of each circle of adjustment bolt 11 makes the flexible distance of knife bar longer, more there is regulated efficiency.
When bit body portion 8.1 is arranged in clamping hole slot 2, the adjustment block 12 of self-centering fine-adjusting unit 30 is oriented to and coordinates
In the pilot hole 3.2 of upper pad compressing tablet 3, while forced moving block 13 is respectively fitting into the adjustment tank 9.1 in corresponding Nogata portion 10.1.
When the adjustable fine boring cutter is arranged in lathe, adjustment bolt 11 is screwed clockwise, such as adjustment bolt is adopted
With M39 pitch H=1.5mm, often adjustment bolt is rotated 11 1 weeks, 11 descending pitch 1.5mm of adjustment bolt；Adjustment bolt 11
The descending 1.5mm of top pressure adjustment block, namely the descending 1.5mm of forced moving block 13；Assuming that forced moving block 13 is with tool axis tilt angle alpha
60 °, forced moving block 13 drives bit body Bu8.1Xiang centers displacement LKnife=0.86mm, specially：
The end face of adjustment bolt 11 is provided with rotation reference arrow 16, and knife bar end face is provided with reference to scale 17.Adjustment bolt 11
End face can according to one week 360 ° divide, the rotate to an angle displacement in the corresponding bit body portions 8.1 of α of bolt is labeled in phase
On the angle line answered, referred to when being conveniently adjusted.Predetermined cutting diameter is adjusted to, then tightens tight lock part 6, fix each bit body
Position of the portion 8.1 in hole slot 2 is clamped.
Change angle of inclination, the forced moving block length in itself of forced moving block 13 and the upper bottom in cutter holding tank 12.2
Put, you can determine the self-centering fine-adjusting unit 30 can adjust bit body portion 8.1 minimum diameter (as shown in the figure) and
Maximum gauge (as shown in the figure).
Due to forced moving block 13 be Central Symmetry in the rotation axis of adjustment block 12, then determine each clamping hole slot 2 in
The displacement in bit body portion 8.1 is equal.
The adjustable fine boring cutter and its self-centering fine-adjusting unit, set with the knife bar end hole of cutter holding groove
Adjustment block is put, the cutter of adjustment block accommodates the adjustment tank of the forced moving block cooperation cutter afterbody side of groove sidewall, moved down on forced moving block
It is dynamic to drive adjustment tank, so that band cutter is moved in or out in hole slot is clamped in itself, simple structure, only in knife bar
The adjustment block of the volume very little of the heart, that is, complete the fine adjustment function of cutter head, it is adaptable on less knife bar, and without dismounting,
Adjustment can be directly completed on lathe.
Claims (10)
1. a kind of adjustable fine boring cutter, including handle of a knife (1), it is characterised in that
Handle of a knife (1) is symmetrically provided with least one clamping hole slot (2) in same level around rotation axis；
Handle of a knife (1) end offers adjusting hole (1.1), the adjusting hole (1.1) connection clamping hole slot (2) along rotation axis；
Knife bar (8) is slidably arranged in clamping hole slot (2)；Knife bar afterbody is provided with adjustment portion (9) with the side of knife bar diameter parallel；
Self-centering fine-adjusting unit (30) is arranged in adjusting hole；The self-centering fine-adjusting unit coordinates the tune in each knife bar afterbody
In whole (9)；
The self-centering fine-adjusting unit (30) includes adjustment bolt (11) and adjustment block (12), adjustment block (12) rotatably activity
The adjustment bolt (11) is connected, adjustment bolt (11) threaded engagement is in adjusting hole (1.1)；
The adjustment block (12) offers at least one cutter holding tank with rotation axis (Y), described adjustment block (12) one end
(12.2), the cutter holding tank is corresponding with the clamping hole slot；The knife bar afterbody is slidably fitted in the cutter and accommodates
In groove；Symmetrically it is provided with the rotation axis (Y) of adjustment block (12) respectively on each cutter holding tank (12.2) two side
Forced moving block (13), forced moving block (13) is slidably fitted in the adjustment portion (9).
2. a kind of adjustable fine boring cutter as claimed in claim 1, it is characterised in that the adjustment portion (9) is including adjustment tank
(9.1), the adjustment tank (9.1) is inclined on the two sides of knife bar afterbody；Top of the adjustment tank (9.1) from Nogata portion
Face starts, with axially being extended obliquely downward into an inclination angle (α) for bit body portion.
3. a kind of adjustable fine boring cutter as claimed in claim 1, it is characterised in that the forced moving block (13) is from cutter holding tank
Top surface start after certain distance vertically downward, with axially being protruded with extending obliquely downward into inclination angle (α) for bit body portion
It is arranged on the two side of the cutter holding tank (12.2), the top surface of the top surface of the forced moving block (13) apart from cutter holding tank
Distance be Bottom Runby (H).
4. a kind of adjustable fine boring cutter as claimed in claim 1, it is characterised in that the forced moving block (13) and the adjustment tank
(9.1) with identical inclination angle (α), the inclination angle (α) is between 50 °~70 °.
5. a kind of adjustable fine boring cutter as claimed in claim 2, it is characterised in that above pad compressing tablet (3) and be fixed on clamping hole slot
(2) in, upper pad compressing tablet (3) also includes pilot hole (3.2), and the adjustment block (12) also has circumference spigot surface (12.3),
The circumference spigot surface (12.3) is slidably fitted in the pilot hole (3.2).
6. a kind of adjustable fine boring cutter as claimed in claim 1, it is characterised in that the bottom surface conduct of the clamping hole slot (2)
Bottom Hubei Province (5), bottom Hubei Province (5) are provided with knife bar guide part (5.1)；
Or underlay compressing tablet (4) is fixed in clamping hole slot (2), the underlay compressing tablet (4) includes bottom Hubei Province guide part (4.2), bottom
Hubei Province guide part (4.2) substitutes knife bar guide part (5.1)；
Knife bar (8) includes Nogata portion (10), and Nogata portion (10) include guide rail (10.1), and guide rail (10.1) is slidably fitted in institute
In stating knife bar guide part (5.1).
7. a kind of adjustable fine boring cutter as described in claim 1 or 6, it is characterised in that the top surface of the clamping hole slot (2) sets
There is tight lock part (6), tight lock part (6) includes locking hole (14), and clamping screw (7) threaded engagement is in locking hole (14) and is connected to
Locked on Nogata portion (10) top surface.
8. a kind of boring cutter self-centering fine-adjusting unit, boring cutter includes handle of a knife, and handle of a knife end cross is symmetrically slided around handle of a knife axis centre
It is dynamic to be provided with least one knife bar；The boring cutter self-centering fine-adjusting unit coordinates the adjustment of the side wall in knife bar afterbody perpendicular to knife bar
In groove (9.1), it is characterised in that
Including adjustment bolt (11) and adjustment block (12), adjustment block (12) is rotatably flexibly connected the adjustment bolt (11)；
The adjustment block (12) offers at least one with rotation axis (Y), adjustment block (12) one end correspondence knife bar position
Individual cutter holding tank (12.2), is symmetrically inclined with rotation axis (Y) respectively on each cutter holding tank (12.2) two side
Side wall is tiltedly protruded from integrally formed with forced moving block (13), forced moving block (13) is slidably fitted in the adjustment of the knife bar rear side wall
In groove (9.1).
9. a kind of boring cutter self-centering fine-adjusting unit as claimed in claim 8, it is characterised in that the forced moving block (13) with it is described
, with identical inclination angle (α), the inclination angle (α) is between 50 °~70 ° for adjustment tank (9.1).
10. a kind of boring cutter self-centering fine-adjusting unit as claimed in claim 8, it is characterised in that the forced moving block (13) is from knife
The top surface for having holding tank starts after certain distance vertically downward, with bit body portion be axially tilted towards into inclination angle (α) it is downward
Protrude with stretching and be arranged on the two side of the cutter holding tank (12.2), the top surface of the forced moving block (13) is accommodated apart from cutter
The distance of the top surface of groove is Bottom Runby (H).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611204334.6A CN106735368B (en) | 2016-12-23 | 2016-12-23 | A kind of adjustable fine boring cutter and its self-centering fine-adjusting unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611204334.6A CN106735368B (en) | 2016-12-23 | 2016-12-23 | A kind of adjustable fine boring cutter and its self-centering fine-adjusting unit |
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| Publication Number | Publication Date |
|---|---|
| CN106735368A true CN106735368A (en) | 2017-05-31 |
| CN106735368B CN106735368B (en) | 2018-04-03 |
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| CN2247574Y (en) * | 1994-12-30 | 1997-02-19 | 谈文钰 | Precision trimming boring cutter |
| CH692908A5 (en) * | 1997-09-05 | 2002-12-13 | Syntronic Ag | Drill rod for single and multi-spindle machine tools has shaft with accommodation formed as cutting body carrier for cutting body and at machining side end of shaft has device |
| DE19944851C2 (en) * | 1999-09-18 | 2001-10-04 | Koyemann Werkzeuge Gmbh | Drill head with adjustment screw |
| CN1810424A (en) * | 2005-12-09 | 2006-08-02 | 钮长宏 | Type-SHC turnable double-edge fine boring cutter for radial trimming |
| CN101583452A (en) * | 2006-11-07 | 2009-11-18 | 瓦莱尼特有限责任公司 | Final adjustment mechanism with tactile feedback |
| EP2318165B1 (en) * | 2008-09-04 | 2014-10-08 | Komet Group GmbH | Machine tool with adjustable cutting plate |
| CN203044929U (en) * | 2013-02-14 | 2013-07-10 | 上海松德数控刀具制造有限公司 | Vertical compression type single-blade fine adjustment fine boring cutter |
| CN206373381U (en) * | 2016-12-23 | 2017-08-04 | 盐城工学院 | A kind of adjustable fine boring cutter and its self-centering fine-adjusting unit |
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| CN106735368B (en) | 2018-04-03 |
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