CN104625127A - Oscillating adjustable and self-centering small-hole and deep-hole boring cutter for lathe - Google Patents
Oscillating adjustable and self-centering small-hole and deep-hole boring cutter for lathe Download PDFInfo
- Publication number
- CN104625127A CN104625127A CN201410814141.7A CN201410814141A CN104625127A CN 104625127 A CN104625127 A CN 104625127A CN 201410814141 A CN201410814141 A CN 201410814141A CN 104625127 A CN104625127 A CN 104625127A
- Authority
- CN
- China
- Prior art keywords
- lathe
- hole
- boring cutter
- blade
- deep
- 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.)
- Granted
Links
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 invention discloses an oscillating adjustable and self-centering small-hole and deep-hole boring cutter for a lathe, and relates to the technical field of machining cutters. The boring cutter comprises a swinging arm and a boring cutter body, wherein the swinging arm is connected with the lathe, and the boring cutter body is connected with the swinging arm in a matched mode. The machining error of a hole is within +/-0.002 mm when the angle error is within the allowable range of +/- 1 degree, so that the use requirement for the lathe is lowered, and under the condition that the error between a cutter rod and the axial lead of a bored hole is within +/- 1 degree, the precision requirement of a hole H7 with the diameter ranging from 12 mm to 30 mm can still be met. In addition, a small hole with the diameter ranging from 12 mm to 30 mm and the fineness ratio ranging from 1:6 to 1:20 can be machined.
Description
Technical field
The present invention relates to the adjustable self-centering aperture of a kind of lathe swing type, deep-hole boring cutter, divide by International Patent Classification (IPC) (IPC) and belong to machining tool technical field.
Background technology
At present, the existing floating boring tool be applied on lathe is generally adjustable, and radial hole (this radial hole side of being tool bore or circular hole) is offered in the knife bar front end of the boring cutter of size adjustable, cutter hub does floating punching at radial hole, has following being not so good as according to the existing boring cutter of said structure:
1, structure of the cutter body is complicated, make the boring cutter that diameter is less than the hole of 30mm and not easily process, regulate tool dimension and fastening difficulty;
2, in bore hole process, chip more easily blocks the gap of tool bore and cutter hub;
3, existing floating boring tool be installed on lathe more tailstock on and adopt the mode of manually shaking feeding, now feeding is uneven, and the crudy in hole is unstable;
4, the blade in existing floating boring tool and all adopting between cutter hub is welded to connect, complex process, and cost is high, and blade stiffness declines, and durability declines, and blade can not install replacing on demand.
Thus, the present inventor considers to improve existing adjustable floating boring tool, and this case produces thus.
Summary of the invention
For the deficiencies in the prior art, the invention provides the adjustable self-centering aperture of a kind of lathe swing type, deep-hole boring cutter, it adopts swing arm to coordinate with boring cutter, and then the swing realizing boring cutter realizes processing diameter simultaneously and is less than the hole of 30mm.
For achieving the above object, the present invention is achieved by the following technical solutions:
The adjustable self-centering aperture of a kind of lathe swing type, deep-hole boring cutter, this boring cutter comprises the swing arm that can be connected with lathe and the boring cutter be connected with this swing arm, wherein:
Boring cutter, it is installed on the left of swing arm, thus realize the connection with swing arm, and then form swing type adjustable boring tool structure, this boring cutter comprises the radial micro-adjusting mechanism of blade and knife bar assembly, the radial micro-adjusting mechanism of described blade is positioned at cutter head and is connected with swingable knife bar assembly, thus realizes the processing to aperture, deep hole; Described knife bar assembly comprise connect successively comprise blade, cutter head and knife bar successively from left to right; Wherein said blade is not welding blade.
Swing arm, it comprises the pendular body and handle of a knife that connect successively from left to right, collet chuck and nut are installed on the left of described pendular body realize with the connection of the knife bar in aforementioned knife bar assembly and then realize linking, by horizontal hunting mechanism and handle of a knife pivot joint on the right side of this pendular body, and then form 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 the connection realized between boring cutter and lathe and interlock.
Further, described collet chuck coordinates with nut the connection realizing pendular body and knife bar, described handle of a knife is then connected with lathe square tool post, thus realizes the knife bar can selecting suitable length according to the degree of depth in processed hole, and the alloy blade that can adjust in cutter head is horizontal.
Further, described swing mechanism comprises two band steel ball holding screws and two hold-down 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 of energy this boss accommodating, and then aforementioned two band steel ball holding screws are each passed through handle of a knife left groove, and the steel ball of two band steel ball holding screw terminations is butted on the taper hole of boss upper and lower surface, two hold-down nuts then coordinate locking respectively at two the lock strap steel ball holding screws distributed up and down, thus the swinging structure that the horizontal hunting of formation pendular body and vertical regulatory function unite two into one.
Further, the radial micro-adjusting mechanism of described blade comprises adjustment screw, clamp nut and packing ring successively from left to right, described packing ring external screw thread place on the left of cutter head is matched in clearance, described clamp nut is in the left side of described packing ring, and adjustment screw passes the cutter head axial line of clamp nut and packing ring, the radial dimension of shape paired blades regulates and coordinates described clamp nut and packing ring to form and regulates retaining mechanism.
Further, described cutter head offers the oblong aperture perpendicular to cutter head direction of axis line, this oblong aperture and axial line are symmetrical arranged, and this oblong aperture coordinates with adjustment screw, thus realize to blade radial dimension adjustment and locking; Described cutter head right-hand member is taper and can coordinates with knife bar taper hole and be threaded, thus forms self-mountable & dismountuble structure.
Further, on the right side of described cutter head, the cylindrical of knife bar left end is provided with nylon anti-vibration sleeve, and this anti-vibration sleeve is provided with location anti-turn screw, and this screw is through anti-vibration sleeve and knife bar, forms location anti-rotation structure.
Further, described blade has two panels blade, fastening and realize after regulating the radial dimension of two panels blade to adopt micrometer comparison.
Further, described blade is carbide chip.
Compared with prior art, advantage of the present invention:
1, the present invention adopts two blade radial dimensions to be the alloy Solderless blade of 12mm ~ 30mm, and then realizes the range of work and can reach the undersized hole that diameter is 12mm ~ 30mm;
2, the alloy blade in the present invention is not welding blade, and its technique is simple, cost is low, keeps blade stiffness, durability, and blade can according to the material of the processing different more trade mark of allowing blade replacement and Tool in Cutting parameter immediately
3, blade of the present invention and cutter head, the syndeton all adopting two kinds of different loading and unloading types between cutter head and knife bar, so just can realize the replacing of multiple blade according to the specific requirement of processing work, convenient processing;
4, the mismachining tolerance of the axial angle error range ± 1 ° hole when of swing type boring cutter permission of the present invention is for being less than ± 0.002mm, and then it is lower to lathe instructions for use, knife bar with by the axial line error of bore hole when ± 1 °, still can meet the required precision that diameter is 12mm ~ 30mm hole H7;
5, boring cutter of the present invention is arranged on lathe, Z-direction can adopt vertical micro-adjusting mechanism to regulate blade centre-height, Y direction can to fix location with planker on lathe, and error can use and not affect accurate to dimension, X-direction auto-feed feed within the scope of ± 1 °.
Accompanying drawing explanation
Fig. 1 is the structural representation of swing arm described in the present invention;
Fig. 2 is Fig. 1 top view;
Fig. 3 is boring cutter structural representation of the present invention;
Fig. 4 is Fig. 2 top view;
Fig. 5 is the schematic diagram of blade structure described in the present invention;
Fig. 6 is Fig. 5 side view.
Detailed description of the invention
The adjustable self-centering aperture of a kind of lathe swing type of the present invention, deep-hole boring cutter, it adopts being connected of swing arm and boring cutter, reach the mismachining tolerance of the angular error scope ± 1 ° hole when of permission for being less than ± 0.002mm, and then it is lower to lathe instructions for use, knife bar with by the axial line error of bore hole when ± 1 °, still can meet the required precision that diameter is 12mm ~ 30mm hole H7; Also realize on the other hand processing the small hole size that diameter is 12mm ~ 30mm; Left side in present patent application file, right side and be upper and lowerly respectively after human eye faces drawing, the differentiation of the upper and lower, left and right presented.
Below in conjunction with accompanying drawing, the invention will be further described:
Embodiment: refer to shown in Fig. 1 to Fig. 4, a kind of lathe swing type is adjustable self-centering aperture, deep-hole boring cutter, this boring cutter comprises the swing arm 1 that can be connected with lathe and the boring cutter 2 be connected with this swing arm 1.
Refer to shown in Fig. 1 to Fig. 2, swing arm 1, it comprises the pendular body 11 and handle of a knife 12 that connect successively from left to right, collet chuck and nut 13 are installed on the left of described pendular body 11 realize with the connection of the knife bar in aforementioned knife bar assembly 22 and then realize linking, by horizontal hunting mechanism 3 and handle of a knife 12 pivot joint on the right side of this pendular body 11, and then form swinging structure, thus realize horizontal hunting, be connected with lathe square tool post A on the right side of described handle of a knife 12, and then the connection realized between boring cutter and lathe and interlock.
Refer to shown in Fig. 3 to Fig. 4, boring cutter 2, it is installed on the left of swing arm 1, thus realize the connection with swing arm 11, and then form swing type adjustable boring tool structure, this boring cutter 2 comprises the radial micro-adjusting mechanism 21 of blade and knife bar assembly 22, and the radial micro-adjusting mechanism 21 of described blade is positioned at cutter head 222 and is connected with knife bar assembly 22 and realizes the adjustment of cutter radial size, thus realizes the processing to aperture, deep hole; Described knife bar assembly 22 comprise connect successively comprise blade 221, cutter head 222 and knife bar 223 from left to right successively; Wherein said blade 221 is not welding blade.
Refer to shown in Fig. 1 to Fig. 2, aforementioned collet chuck coordinates with nut 4 the connection realizing pendular body 11 and knife bar 223, described handle of a knife 12 is then connected with lathe square tool post A, thus realize the knife bar 223 can selecting suitable length according to the degree of depth in processed hole, and the alloy blade 221 that can adjust in cutter head 222 is horizontal, and realize the self-centering effect of horizontal hunting.
Refer to shown in Fig. 1 to Fig. 2, aforementioned swing mechanism 3 comprises two band steel ball holding screws 31 and two hold-down nuts 32, on the right side of described pendular body 11, there is boss, described boss lower planes is provided with the taper hole of concentric, and on the left of handle of a knife 12, offer the groove of energy this boss accommodating, and then aforementioned two band steel ball holding screws 31 are each passed through on the left of handle of a knife 12, and the steel ball of two band steel ball holding screw 31 terminations to be butted on boss in lower cone hole, two hold-down nuts 32 then coordinate locking respectively at two the lock strap steel ball holding screws distributed up and down, thus the swinging structure that the horizontal hunting of formation pendular body and vertical regulatory function unite two into one.
Refer to shown in Fig. 3 to Fig. 6, aforementioned radial micro-adjusting mechanism 21 comprises adjustment screw 211, clamp nut 212 and packing ring 213 successively from left to right, described packing ring 213 is matched in clearance with clamp nut 212 external screw thread place on the left of cutter head 222, and adjustment screw 211 is through clamp nut 212 and packing ring 213, the radiai adjustment of shape paired blades and locking mechanism.Described cutter head 222 offers the rectangular tool bore 224 perpendicular to cutter head direction of axis line, and this rectangular tool bore 224 coordinates with adjustment screw 211, thus realize to blade radial dimension adjustment and locking; Described cutter head 222 rear end is taper and can coordinates with knife bar 223 taper hole and be threaded, thus forms self-mountable & dismountuble structure.
Refer to shown in Fig. 3 to Fig. 6, on the right side of aforementioned cutter head 222, the cylindrical of knife bar 223 left end is provided with nylon anti-vibration sleeve 5, and this anti-vibration sleeve 5 is provided with location anti-turn screw 4, and this screw 4 is through anti-vibration sleeve 5 and knife bar 223, forms location anti-rotation structure; The setting of described anti-vibration sleeve 5, and then the processing realized superdeep holes, and effectively eliminate the vibration caused because knife bar 223 is long, ensure the crudy in hole, described blade 221 has two panels blade, and the radial dimension of two panels blade is fastening and to realize after adopting micrometer comparison.
Refer to shown in Fig. 1 to Fig. 6, the blade in the present invention adopts carbide alloy to make, and the blade appearance and size of this blade 221, wherein in blade 221, the radial dimension of both sides blade is 12mm ~ 30mm; The blade 221 processed can be loaded and unloaded with cutter head 222, knife bar 223 structure being connected to form cutter hub 22 and changing; In this boring cutter two blades 221 blade between radial dimension adopt micrometer comparison after fastening, again 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 can adopt vertical micro-adjusting mechanism 21 pairs of blade centre-heights to regulate, Y direction can to fix location with planker on lathe, error can use and not affect accurate to dimension within the scope of ± 1 °, X-direction auto-feed feed, thus, just can use the present embodiment on lathe, carry out the operation of bore hole.
Above, be only the embodiment utilizing the innovation technology contents, the modification that any those skilled in the art use the innovation to do, change, all belong to the scope of the claims that the innovation is advocated, and be not limited to those disclosed embodiments.
Claims (9)
1. the adjustable self-centering aperture of lathe swing type, a deep-hole boring cutter, is characterized in that: this boring cutter comprises the swing arm that can be connected with lathe and the boring cutter be connected with this swing arm, wherein:
Boring cutter, it is installed on the left of swing arm, thus realize the connection with swing arm, and then form swing type adjustable boring tool structure, this boring cutter comprises the radial micro-adjusting mechanism of blade and knife bar assembly, the radial micro-adjusting mechanism of described blade is positioned at cutter head and is connected with swingable knife bar assembly, thus realizes the processing to aperture, deep hole; Described knife bar assembly comprise connect successively comprise blade, cutter head and knife bar successively from left to right; Wherein said blade is not welding blade.
2. swing arm, it comprises the pendular body and handle of a knife that connect successively from left to right, collet chuck and nut are installed on the left of described pendular body realize with the connection of the knife bar in aforementioned knife bar assembly and then realize linking, by horizontal hunting mechanism and handle of a knife pivot joint on the right side of this pendular body, and then form 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 the connection realized between boring cutter and lathe and interlock.
3. the adjustable self-centering aperture of a kind of lathe swing type according to claim 1, deep-hole boring cutter, it is characterized in that: described swing mechanism comprises two band steel ball holding screws and two hold-down 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 of energy this boss accommodating, and then aforementioned two band steel ball holding screws are each passed through handle of a knife left groove, and the steel ball of two band steel ball holding screw terminations is butted on the upper and lower taper hole of boss, two hold-down nuts then coordinate locking respectively at two the lock strap steel ball holding screws distributed up and down, thus the adjustable oscillating structure that the horizontal hunting of formation pendular body and vertical regulatory function unite two into one.
4. the adjustable self-centering aperture of a kind of lathe swing type according to claim 2, deep-hole boring cutter, is characterized in that: described two band steel ball holding screws and two hold-down nuts are respectively two interior hexagonal pommel holding screws and two hold-down nuts.
5. the adjustable self-centering aperture of a kind of lathe swing type according to claim 1, deep-hole boring cutter, it is characterized in that: the radial micro-adjusting mechanism of described blade comprises adjustment screw, clamp nut and packing ring successively from left to right, described packing ring external screw thread place on the left of cutter head is matched in clearance, described clamp nut is in the left side of described packing ring, and adjustment screw passes the cutter head axial line of clamp nut and packing ring, the radial dimension of shape paired blades regulates and coordinates described clamp nut and packing ring to form and regulates retaining mechanism.
6. the adjustable self-centering aperture of a kind of lathe swing type according to claim 4, deep-hole boring cutter, it is characterized in that: described cutter head offers with cutter head axis perpendicular oblong aperture, and this oblong aperture coordinates with adjustment screw, thus realize to blade radial dimension adjustment and locking; Described cutter head right-hand member is that taper can coordinate with knife bar taper hole and be threaded, thus forms self-mountable & dismountuble structure.
7. the adjustable self-centering aperture of a kind of lathe swing type according to claim 5, deep-hole boring cutter, it is characterized in that: on the right side of described cutter head, on the left of knife bar, cylindrical is provided with nylon anti-vibration sleeve, and this anti-vibration sleeve is provided with location anti-turn screw, and this screw is through anti-vibration sleeve and knife bar, form location anti-rotation structure.
8. the adjustable self-centering aperture of a kind of lathe swing type according to claim 6, deep-hole boring cutter, is characterized in that: described blade has two panels blade, and the radial dimension of two panels blade adopts micrometer comparison to realize.
9. the adjustable self-centering aperture of a kind of lathe swing type according to claim 1 to 8 any one, deep-hole boring cutter, is characterized in that: described blade is carbide chip.
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 true CN104625127A (en) | 2015-05-20 |
| CN104625127B CN104625127B (en) | 2017-03-08 |
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| 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 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4634324A (en) * | 1984-08-02 | 1987-01-06 | Komet Stahlhalter-Und Werkzeugfabrik Robert Bruening Gmbh | Tool holder with radial adjustment means for a tool, in particular a rotary 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 |
| 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 |
| US20110097168A1 (en) * | 2008-04-03 | 2011-04-28 | Kennametal Inc. | Lathe Tool, In Particular Boring 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 |
-
2014
- 2014-12-25 CN CN201410814141.7A patent/CN104625127B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4634324A (en) * | 1984-08-02 | 1987-01-06 | Komet Stahlhalter-Und Werkzeugfabrik Robert Bruening Gmbh | Tool holder with radial adjustment means for a tool, in particular a rotary 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 |
| US20110097168A1 (en) * | 2008-04-03 | 2011-04-28 | 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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| Publication number | Publication date |
|---|---|
| CN104625127B (en) | 2017-03-08 |
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