CN104625127B - A kind of lathe swing type adjustable self-centering aperture, deep-hole boring cutter - Google Patents
A kind of lathe swing type adjustable self-centering aperture, deep-hole boring cutter Download PDFInfo
- Publication number
- CN104625127B CN104625127B CN201410814141.7A CN201410814141A CN104625127B CN 104625127 B CN104625127 B CN 104625127B CN 201410814141 A CN201410814141 A CN 201410814141A CN 104625127 B CN104625127 B CN 104625127B
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- CN
- China
- Prior art keywords
- boring cutter
- blade
- hole
- lathe
- deep
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
- B23B27/1681—Adjustable position of the plate-like cutting inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
- B23B27/1659—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like exchangeable cutting inserts
-
- 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
- B23B29/03407—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing by means of screws and nuts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2222/00—Materials of tools or workpieces composed of metals, alloys or metal matrices
- B23B2222/28—Details of hard metal, i.e. cemented carbide
Abstract
The present invention discloses a kind of adjustable self-centering aperture of lathe swing type, deep-hole boring cutter, it is related to machining tool technical field, aforementioned boring cutter includes the swing arm being connected and the boring cutter being connected with this swing arm with lathe, swing arm is connected with boring cutter, reach permission angular error scope ± 1 ° when hole mismachining tolerance be less than ± 0.002mm, and then it is relatively low to lathe use requirement, knife bar still can meet the required precision of a diameter of 12mm ~ 30mm hole H7 with by the axial line error of bore hole in the case of ± 1 °；On the other hand also realize processing a diameter of 12mm ~ 30mm, fineness ratio is 1:6~1:20 small hole size.
Description
Technical field
The present invention relates to a kind of lathe swing type adjustable self-centering aperture, deep-hole boring cutter, by International Patent Classification (IPC)
(IPC) divide and belong to machining tool technical field.
Background technology
At present, the existing floating boring tool applied on lathe is generally scalable, and before the knife bar of the boring cutter of size adjustable
End opens up radial hole (this radial hole is square tool bore or circular hole), and cutter hub does floating punching in radial hole, existing according to said structure
Boring cutter there is following being not so good as：
1st, structure of the cutter body is complicated, and diameter to be made is less than the boring cutter not easy processing in the hole of 30mm, adjusts tool dimension and tight
Gu it is difficult；
2nd, during bore hole, chip is easier to block the gap of tool bore and cutter hub；
3rd, being installed on the tailstock of lathe and by the way of shaking feeding manually existing floating boring tool more, now feed not
Uniformly, the crudy in hole is unstable；
4th, all using being welded to connect between the blade in existing floating boring tool and cutter hub, complex process, high cost, blade
Hardness declines, and durability declines, and blade can not install replacing on demand.
Thus, it is considered as desirable by the inventor to improving to existing adjustable floating boring tool, this case thus produces.
Content of the invention
For the deficiencies in the prior art, the invention provides a kind of lathe swing type adjustable self-centering aperture, deep-hole boring
Knife, it adopts swing arm and boring cutter to coordinate, and then realizes the swing of boring cutter and realize processing the hole that diameter is less than 30mm simultaneously.
For reaching above-mentioned purpose, the present invention is achieved by the following technical solutions：
A kind of lathe swing type adjustable self-centering aperture, deep-hole boring cutter, this boring cutter includes the swing being connected with lathe
Arm and the boring cutter being connected with this swing arm, wherein：
Boring cutter, it is installed on the left of swing arm, thus realizing the connection with swing arm, and then forms swing type adjustable boring tool
Structure, this boring cutter includes blade radial direction micro-adjusting mechanism and knife bar assembly, described blade radial direction micro-adjusting mechanism be located at cutter head in and with
Swingable knife bar assembly connects, thus realizing the processing to aperture, deep hole；Described knife bar assembly includes connecting successively from left to right
Blade, cutter head and the knife bar connecing；Wherein said blade is not welding blade.
Further, described swing arm, it includes the pendular body being sequentially connected from left to right and handle of a knife, on the left of described pendular body
Collet chuck is installed and nut is realized with the connection of knife bar in aforementioned knife bar assembly and then realized linkage, pass through on the right side of this pendular body
Horizontal hunting mechanism and handle of a knife pivot joint, and then constitute horizontal hunting structure, thus realizing the self-centering effect of horizontal hunting, described
Handle of a knife is connected with lathe square tool post, and then realizes the connection between boring cutter and lathe and linkage.
Further, the connection of pendular body and knife bar is realized in the cooperation of described collet chuck and nut, and described handle of a knife then with lathe
Square tool post connects, thus realizing selecting the knife bar of suitable length according to the depth in processed hole, and can adjust in cutter head
Alloy blade is horizontal.
Further, described horizontal hunting mechanism includes two band steel ball holding screws and two fixing nuts, described swing
There is on the right side of body boss, and on the left of handle of a knife, offer the horizontal groove that can house this boss, and then both of the aforesaid band steel ball tightening
Screw is each passed through handle of a knife left groove, and two steel balls with steel ball holding screw termination are butted on the cone of boss upper and lower surface
Hole, and two fixing nuts are then locked with two band steel ball holding screw cooperations being distributed up and down respectively, thus forming pendular body
The swinging structure that unites two into one with vertical regulatory function of horizontal hunting.
Further, described blade radial direction micro-adjusting mechanism includes adjusting screw, clamp nut and packing ring, institute successively from left to right
State packing ring at the external screw thread on the left of cutter head and it be in that gap coordinates with cutter head, described clamp nut in the left side of described packing ring,
And adjusting screw passes through the cutter head axial line of clamp nut and packing ring, the radial dimension of shape paired blades adjusts and coordinates described tight
Gu nut is constituted with packing ring adjusts retaining mechanism.
Further, described cutter head offers oblong aperture, this oblong aperture and the axial line perpendicular to cutter head direction of axis line
It is symmetrical arranged, and this oblong aperture and adjusting screw coordinate, thus realizing the regulation radial dimension of to blade and locking；Described knife
Head right-hand member is taper and can be coordinated with knife bar taper hole and threaded, thus forming self-mountable ＆ dismountuble structure.
Further, on the right side of described cutter head, knife bar left end cylindrical on be provided with nylon anti-vibration sleeve, and arrange on this anti-vibration sleeve
There is positioning anti-turn screw, and this screw passes through anti-vibration sleeve and knife bar, form positioning anti-rotation structure.
Further, described blade has two panels blade, and the radial dimension adjusting two panels blade adopts micrometer tight after comparing
Gu and realize.
Further, described blade is carbide blade.
Compared with prior art, advantages of the present invention：
1st, the present invention adopts the alloy Solderless blade that two blade radial dimensions are 12mm～30mm, and then realizes processing
Scope can reach the undersized hole of a diameter of 12mm～30mm；
2nd, the alloy blade in the present invention is not welding blade, its process is simple, low cost, keeps blade stiffness, durable
Degree, blade can be according to the material of the processing different trade mark of more allowing blade replacement and Tool in Cutting parameter immediately
3rd, between blade of the present invention and cutter head, cutter head and knife bar, all the connection using two kinds of different loading and unloading types is tied
Structure, thus can realize the replacing of multiple blades, convenient processing according to the specific requirement of processing workpiece；
During axial angle range of error ± 1 ° that the 4th, swing type boring cutter of the present invention allows, the mismachining tolerance in hole is little
In ± 0.002mm and then relatively low to lathe use requirement, knife bar with by the axial line error of bore hole in the case of ± 1 °, still
The required precision of a diameter of 12mm～30mm hole H7 can be met；
5th, boring cutter of the present invention is arranged on lathe, and Z-direction can be high to blade center using vertical micro-adjusting mechanism
Degree is adjusted, and Y direction can be fixed positioning with planker on lathe, error can in the range of ± 1 ° using and do not affect to process chi
Very little precision, X-direction auto-feed feed.
Brief description
Fig. 1 is heretofore described swing arm structural representation；
Fig. 2 is Fig. 1 top view；
Fig. 3 is boring cutter structural representation of the present invention；
Fig. 4 is Fig. 3 top view；
Fig. 5 is heretofore described blade structure schematic diagram；
Fig. 6 is Fig. 5 side view.
Specific embodiment
A kind of lathe of the present invention swing type adjustable self-centering aperture, deep-hole boring cutter, it adopts swing arm and boring
Being connected of knife, reach permission angular error scope ± 1 ° when hole mismachining tolerance be less than ± 0.002mm, and then to car
Bed use requirement relatively low, knife bar with by the axial line error of bore hole in the case of ± 1 °, still can meet a diameter of 12mm～
The required precision of 30mm hole H7；On the other hand also realize processing the small hole size of a diameter of 12mm～30mm；Present patent application
Left side in file, right side and upper and lower be respectively after human eye faces drawing, the differentiation of the upper and lower, left and right being presented.
The invention will be further described below in conjunction with the accompanying drawings：
Embodiment：Refer to shown in Fig. 1 to Fig. 4, a kind of lathe swing type adjustable self-centering aperture, deep-hole boring cutter, should
Boring cutter includes the swing arm 1 being connected and the boring cutter 2 being connected with this swing arm 1 with lathe.
Refer to shown in Fig. 1 to Fig. 2, swing arm 1, it includes the pendular body 11 being sequentially connected from left to right and handle of a knife 12,
Collet chuck is installed on the left of described pendular body 11 and nut 13 is realized with the connection of knife bar in aforementioned knife bar assembly 22 and then realization
Linkage, this pendular body 11 right side is by horizontal hunting mechanism 3 and handle of a knife 12 pivot joint, and then constitutes swinging structure, thus realizing water
Yaw is moved, and described handle of a knife 12 right side is connected with lathe square tool post A, and then realizes the connection between boring cutter and lathe and linkage.
Refer to shown in Fig. 3 to Fig. 4, boring cutter 2, it is installed on the left of swing arm 1, thus realizing the company with swing arm 11
Connect, and then form swing type adjustable boring tool structure, this boring cutter 2 includes blade radial direction micro-adjusting mechanism 21 and knife bar assembly 22, described
Blade radial direction micro-adjusting mechanism 21 is located in cutter head 222 and is connected with knife bar assembly 22 realizes the regulation of cutter radial size,
Thus realizing the processing to aperture, deep hole；Described knife bar assembly 22 includes blade 221, the cutter head 222 being sequentially connected from left to right
And knife bar 223；Wherein said blade 221 is not welding blade.
Refer to shown in Fig. 1 to Fig. 2, the connection of pendular body 11 and knife bar 223 is realized in the cooperation of aforementioned collet chuck and nut 4,
And described handle of a knife 12 is then connected with lathe square tool post A, thus realizing selecting the knife of suitable length according to the depth in processed hole
Bar 223, and the alloy blade 221 that can adjust in cutter head 222 is horizontal, and realize the self-centering effect of horizontal hunting
Really.
Refer to shown in Fig. 1 to Fig. 2, it is solid that aforementioned levels swing mechanism 3 includes two band steel ball holding screws 31 and two
Determine nut 32, there is on the right side of described pendular body 11 boss, described boss lower planes are provided with concentric taper hole, and handle of a knife 12
Left side offers the groove that can house this boss, and then both of the aforesaid band steel ball holding screw 31 is each passed through on the left of handle of a knife 12,
And two steel balls with steel ball holding screw 31 termination are butted in lower cone hole on boss, and two fixing nuts 32 then respectively with upper
Two band steel ball holding screw cooperation lockings of lower distribution, thus form the horizontal hunting of pendular body and vertical regulatory function conjunction two
Swinging structure for one.
Refer to shown in Fig. 3 to Fig. 6, aforementioned radial direction micro-adjusting mechanism 21 includes adjusting screw 211, fastening successively from left to right
Nut 212 and packing ring 213, at the external screw thread in cutter head 222 left side and it with cutter head is in for described packing ring 213 and clamp nut 212
Gap coordinates, and adjusting screw 211 passes through clamp nut 212 and packing ring 213, the radiai adjustment of shape paired blades and locking knot
Structure.Rectangular tool bore 224 perpendicular to cutter head direction of axis line is offered on described cutter head 222, and this rectangular tool bore 224 and regulation
Screw 211 coordinates, thus realizing the regulation radial dimension of to blade and locking；Described cutter head 222 rear end is taper can be with
The cooperation of knife bar 223 taper hole is simultaneously threaded, thus forming self-mountable ＆ dismountuble structure.
Refer to shown in Fig. 3 to Fig. 6, aforementioned cutter head 222 right side, knife bar 223 left end cylindrical on to be provided with nylon shockproof
Positioning anti-turn screw 4 is provided with set 5, and this anti-vibration sleeve 5, and this screw 4 passes through anti-vibration sleeve 5 and knife bar 223, form positioning anti-
Rotation structure；The setting of described anti-vibration sleeve 5, and then realize processing to superdeep holes, and effectively eliminate and cause because knife bar 223 is long
It is ensured that the crudy in hole, described blade 221 has two panels blade, and the radial dimension of two panels blade adopts micrometer for vibration
Fasten after comparison and realize.
Refer to shown in Fig. 1 to Fig. 6, the blade in the present invention is made using hard alloy, and outside the blade of this blade 221
In shape size, wherein blade 221, the radial dimension of both sides blade is 12mm～30mm；By the blade processing 221 and cutter head
222nd, knife bar 223 can load and unload to connect and form the structure that cutter hub 22 is changed；Radial ruler between the blade of two blades 221 in this boring cutter
Very little employing micrometer fastens after comparing, then boring cutter swing arm 1 handle of a knife one end is connected with lathe square tool post A, the Z-direction of boring cutter
Using vertical micro-adjusting mechanism 21, blade centre-height can be adjusted, Y direction can be fixed positioning with planker on lathe, error
Can in the range of ± 1 ° using and do not affect accurate to dimension, X-direction auto-feed feed, so that it may with using this
Embodiment carries out the operation of bore hole on lathe.
Described above, only utilize the embodiment of the innovation technology contents, any those skilled in the art use this wound
The modification newly done, change, all belong to the scope of the claims that the innovation is advocated, and are not limited to those disclosed embodiments.
Claims (7)
1. a kind of lathe swing type adjustable self-centering aperture, deep-hole boring cutter it is characterised in that：This boring cutter includes can with lathe even
The swing arm connecing and the boring cutter being connected with this swing arm, wherein：
Boring cutter, it is installed on the left of swing arm, thus realizing the connection with swing arm, and then forms swing type adjustable boring tool knot
Structure, this boring cutter includes blade radial direction micro-adjusting mechanism and knife bar assembly, described blade radial direction micro-adjusting mechanism be located at cutter head in and with can
The knife bar assembly swinging connects, thus realizing the processing to aperture, deep hole；Described knife bar assembly includes being sequentially connected from left to right
Blade, cutter head and knife bar；Wherein said blade is not welding blade；Described swing arm, it includes being sequentially connected from left to right
Pendular body and handle of a knife, collet chuck and nut are installed on the left of described pendular body and realize the connection with the knife bar in aforementioned knife bar assembly
And then realize linkage, pass through horizontal hunting mechanism and handle of a knife pivot joint on the right side of this pendular body, and then constitute horizontal hunting structure, thus
Realize the self-centering effect of horizontal hunting, described handle of a knife is connected with lathe square tool post, and then realizes the company between boring cutter and lathe
Connect and link；Described horizontal hunting mechanism includes two band steel ball holding screws and two fixing nuts, on the right side of described pendular body
There is boss, and on the left of handle of a knife, offer the horizontal groove that can house this boss, and then both of the aforesaid band steel ball holding screw divides
Not Chuan Guo handle of a knife left groove, and two steel balls with steel ball holding screw termination are butted on the upper and lower taper hole of boss, and two are solid
Determine nut then respectively with the two band steel ball holding screws cooperation locking being distributed up and down, thus formed the horizontal hunting of pendular body with
The adjustable oscillating structure that vertically regulatory function unites two into one.
2. a kind of lathe according to claim 1 swing type adjustable self-centering aperture, deep-hole boring cutter it is characterised in that：
Described two band steel ball holding screws and two fixing nuts are respectively two interior sexangular ball end holding screws and two fixing spiral shells
Female.
3. a kind of lathe according to claim 1 swing type adjustable self-centering aperture, deep-hole boring cutter it is characterised in that：
Described blade radial direction micro-adjusting mechanism includes adjusting screw, clamp nut and packing ring successively from left to right, and described packing ring is left in cutter head
At the external screw thread of side and it is in that gap coordinates with cutter head, described clamp nut is in the left side of described packing ring, and adjusting screw passes through
The cutter head axial line of clamp nut and packing ring, the radial dimension of shape paired blades adjusts and coordinates described clamp nut and packing ring structure
Become to adjust retaining mechanism.
4. a kind of lathe according to claim 3 swing type adjustable self-centering aperture, deep-hole boring cutter it is characterised in that：
Oblong aperture with cutter head axis perpendicular is offered on described cutter head, and this oblong aperture and adjusting screw coordinate, thus realizing to knife
Piece is radial dimension of to be adjusted and locking；Described cutter head right-hand member can be coordinated with knife bar taper hole for taper and threaded, thus being formed
Self-mountable ＆ dismountuble structure.
5. a kind of lathe according to claim 3 swing type adjustable self-centering aperture, deep-hole boring cutter it is characterised in that：
On the right side of described cutter head, cylindrical on the left of knife bar on be provided with nylon anti-vibration sleeve, and positioning anti-turn screw is provided with this anti-vibration sleeve, and
This screw passes through anti-vibration sleeve and knife bar, forms positioning anti-rotation structure.
6. a kind of lathe according to claim 4 swing type adjustable self-centering aperture, deep-hole boring cutter it is characterised in that：
Described blade has two panels blade, and what the radial dimension of two panels blade adopted micrometer to compare and realized.
7. a kind of swing type adjustable self-centering aperture of the lathe according to claim 1 to 6 any one, deep-hole boring cutter,
It is characterized in that：Described blade is carbide blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410814141.7A CN104625127B (en) | 2014-12-25 | 2014-12-25 | A kind of lathe swing type adjustable self-centering aperture, deep-hole boring cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410814141.7A CN104625127B (en) | 2014-12-25 | 2014-12-25 | A kind of lathe swing type adjustable self-centering aperture, deep-hole boring cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104625127A CN104625127A (en) | 2015-05-20 |
| CN104625127B true CN104625127B (en) | 2017-03-08 |
Family
ID=53204623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410814141.7A Active CN104625127B (en) | 2014-12-25 | 2014-12-25 | A kind of lathe swing type adjustable self-centering aperture, deep-hole boring cutter |
Country Status (1)
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| CN (1) | CN104625127B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8422976U1 (en) * | 1984-08-02 | 1985-11-28 | Komet Stahlhalter- Und Werkzeugfabrik Robert Breuning Gmbh, 7122 Besigheim | Tool holder with radial adjustment device for a tool, in particular a rotating tool |
| CN2053553U (en) * | 1989-03-27 | 1990-02-28 | 李旭淮 | Universal lathe tool of position-turnable and replaceable serial bit |
| CN201079845Y (en) * | 2007-07-17 | 2008-07-02 | 中国北车集团北京南口机车车辆机械厂 | Hinge type cup-shaped spherical cutter |
| CA2720402A1 (en) * | 2008-04-03 | 2009-10-08 | Kennametal Inc. | Lathe tool, in particular boring tool |
| CN201217079Y (en) * | 2008-05-29 | 2009-04-08 | 上海电气集团上海电机厂有限公司 | Boring tool row |
| CN101745653A (en) * | 2008-12-19 | 2010-06-23 | 鞍钢重型机械有限责任公司 | Uniform-loading nut slotting tool |
| CN202622027U (en) * | 2012-06-20 | 2012-12-26 | 成都岷江精密刀具有限公司 | Milling cutter special for steering gear trajectory |
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2014
- 2014-12-25 CN CN201410814141.7A patent/CN104625127B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104625127A (en) | 2015-05-20 |
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