CN102151857A - Fine-tuning knife - Google Patents

Fine-tuning knife Download PDF

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Publication number
CN102151857A
CN102151857A CN 201110027485 CN201110027485A CN102151857A CN 102151857 A CN102151857 A CN 102151857A CN 201110027485 CN201110027485 CN 201110027485 CN 201110027485 A CN201110027485 A CN 201110027485A CN 102151857 A CN102151857 A CN 102151857A
Authority
CN
China
Prior art keywords
hole
knife
clamping sleeve
micro actuator
installing hole
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.)
Pending
Application number
CN 201110027485
Other languages
Chinese (zh)
Inventor
常殿林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CORROSION AND PROTECTION NATIONAL KEY LABORATORY
NINGBO HUAXING NEW ENERGY CO Ltd
Original Assignee
CORROSION AND PROTECTION NATIONAL KEY LABORATORY
NINGBO HUAXING NEW ENERGY CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CORROSION AND PROTECTION NATIONAL KEY LABORATORY, NINGBO HUAXING NEW ENERGY CO Ltd filed Critical CORROSION AND PROTECTION NATIONAL KEY LABORATORY
Priority to CN 201110027485 priority Critical patent/CN102151857A/en
Publication of CN102151857A publication Critical patent/CN102151857A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a fine-tuning knife which comprises a knife handle (10), a knife block (9) and a tool bit (7), wherein the knife block (9) is fixedly connected with the lower end of the knife handle (10); an installation hole (91) is formed on the knife block (9); the knife block (9) radially penetrates through a knife hole (8); the knife hole (8) is intersected with the installation hole (91); a knife rod (6) is matched in the knife hole (8) in a sliding manner; an adjustment device for pushing the knife rod (6) to radially move is arranged in the installation hole (91); and the outer end of the knife rod (6) is connected with the tool bit (7). The knife can adjust the cutting and feeding amount of the tool bit. The adopted technology, which effectively improves the machining precision, is the original technology in China and belongs to the technical field of cutting equipment.

Description

Trimming tool bit
Technical field
A kind of high accuracy that the present invention relates to be applied in the mechanical industry on the lathe is regulated cutter, belongs to the cutting machines technical field.
Background technology
Common driller, milling machine, lathe, boring machine cutter for same are generally cylindric, and its machining accuracy and equipment precision and tool precision have sizable relation.At present, existing cutter is to regulate the cutting amount of feeding, can only regulate the cutting amount of feeding of cutter by the crank of lathe own.But, will reach in the 0.005mm such as precision when higher the machining required precision, existing lathe can't be realized accurate feeding.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of and can regulate the trimming tool bit that cuts the amount of feeding by differential.
The technical solution used in the present invention is: a kind of trimming tool bit, comprise handle of a knife, tool rest, cutter head, tool rest is fixedlyed connected with the handle of a knife lower end, tool rest is provided with installing hole, tool rest radially is penetrated with tool bore, and tool bore intersects with installing hole, and sliding fit has knife bar in the tool bore, be provided with the adjusting device that promotes the knife bar radial motion in the installing hole, the knife bar outer end connects cutter head.
Described adjusting device is meant the interior clamping sleeve that is engaged in the installing hole, is combined with the micro actuator that promotes the knife bar radial motion in the interior clamping sleeve, and tool rest is provided with the fixture of fixing interior clamping sleeve.
Installing hole axially is provided with from bottom to top in the tool rest lower end, installing hole axis, tool rest axis and handle of a knife dead in line; Knife bar is positioned on the clamping sleeve.
Interior clamping sleeve screws by screw thread with the installing hole inwall and is connected; The fixture of clamping sleeve was meant in interior clamping sleeve outer end and is positioned at installing hole and is provided with locking plate in described tool rest lower end was provided with and fixes, and locking plate screws with the installing hole inwall and is connected.
Locking plate is provided with inner hexagonal hole, inner hexagonal hole axis and installing hole dead in line.
Described installing hole is three grades of shoulder holes, is divided into first hole, second hole and the 3rd hole from top to bottom, and described micro actuator is divided into cylinder, the middle frustum of a cone and following cylinder from top to bottom; Described upward cylinder slides and rotatable being engaged in first hole, and middle frustum of a cone maximum gauge is less than second hole and the 3rd hole internal diameter, and following cylinder outward flange is provided with the external screw thread that screws mutually with interior clamping sleeve internal thread; The micro actuator bottom is axially arranged with an inner hexagonal hole, inner hexagonal hole axis and micro actuator dead in line; The micro actuator periphery is provided with dial.
Be provided with the cyclic spring cushion rubber between locking plate and the micro actuator.
Tool rest lower end outward flange is with an anti-skidding trim ring and screws an external compression cover.Clamping sleeve and micro actuator in being used to compress are with anti-loosening.
Described tool bore is rectangular cavity and is one that knife bar is two.
Described micro actuator is the permanent magnetism micro actuator.Knife bar can be held servo-actuated.
The invention has the beneficial effects as follows: self can regulate the cutting amount of feeding trimming tool bit of the present invention, can conveniently realize the high accuracy cutting.
Locking plate is provided with inner hexagonal hole, inner hexagonal hole axis and installing hole dead in line.Be convenient to rotate locking plate.
Described installing hole is three grades of shoulder holes, is divided into first hole, second hole and the 3rd hole from top to bottom, and described micro actuator is divided into cylinder, the middle frustum of a cone and following cylinder from top to bottom; Described upward cylinder slides and rotatable being engaged in first hole, and middle frustum of a cone maximum gauge is less than second hole and the 3rd hole internal diameter, and following cylinder outward flange is provided with the external screw thread that screws mutually with interior clamping sleeve internal thread; The micro actuator bottom is axially arranged with an inner hexagonal hole, inner hexagonal hole axis and micro actuator dead in line.Be convenient to rotate micro actuator and rotate, make that in addition cutter integral body is more firm.
Be provided with the cyclic spring cushion rubber between locking plate and the micro actuator.Clamping sleeve and micro actuator in being used to compress are with anti-loosening.
Tool rest lower end outward flange is with an anti-skidding trim ring and screws an external compression cover.More firm interior clamping sleeve.Improve machining accuracy and stabilization of equipment performance.
Micro actuator is the permanent magnetism micro actuator, and carrying magnetic can hold knife bar.
Description of drawings
Fig. 1 is a cutter cutaway view of the present invention.
Fig. 2 is explosive view of the present invention (a discrete component constitutional diagram).
Fig. 3 is handle of a knife of the present invention and tool rest schematic diagram.
Fig. 4 is a cutter head three-view diagram of the present invention.
Fig. 5 is clamping sleeve three-view diagram in the present invention.
Fig. 6 is a micro actuator schematic diagram of the present invention.
Among the figure, 1. locking plate, 2. in clamping sleeve, 3. external compression cover, 4. anti-skidding trim ring, 5. micro actuator, cylinder on 51., the frustum of a cone in 52., 53. following cylinder, 54. inner hexagonal holes, 6. knife bar, 61. screwed holes, 62. inclined-plane, 7. cutter head, 8. tool bore, 9. tool rest, 91. installing holes, 10. handle of a knife, 11. screw, 12. flexible rubber rings, the frustum of a cone 52 conical surfaces and last cylinder 51 axis extended line angles among the ∠ A..
The specific embodiment
One. the composition of trimming tool bit of the present invention.
Fig. 1~shown in Figure 6 the present invention includes locking plate 1, interior clamping sleeve 2, external compression cover 3, anti-skidding packing ring 4, micro actuator 5, knife bar 6, cutter head 7, tool rest 9, handle of a knife 10.
Two. the structure of trimming tool bit of the present invention and effect.
Locking plate 1: being the plates that have external screw thread and inner hexagonal hole structure, mainly is clamping sleeve 2 and micro actuator 5 in being used for locking.
Interior clamping sleeve 2: following cylinder 53 external screw threads that interior clamping sleeve 2 inwalls are provided with internal thread and micro actuator 5 match, and when interior clamping sleeve 2 fixedly the time, are convenient to micro actuator 5 and rotate; Interior clamping sleeve 2 outer walls are provided with external screw thread and installing hole 91 inner threads match, and are used for compressing knife bar 6, in case knife bar 6 is thrown out of tool bore 8 when rotating.
External compression cover 3: have internal thread, match, once more fixedly micro actuator 5 and interior clamping sleeve 2 with the external screw thread of tool rest 9 lower ends.
Anti-skidding packing ring 4:, cooperate external compression cover 3 to use by the trim ring that copper aluminium is made.
Micro actuator 5: be divided into cylinder 51, the middle frustum of a cone 52 and following cylinder 53 from top to bottom; Rotate micro actuator 5, realize micro actuator 5 axially-movables, micro actuator 5 is realized radial motion with the knife bar 6 that is in contact with it.Micro actuator 5 is a permanent magnetism micro actuator 5, has magnetic, can hold knife bar 6.Micro actuator 5 peripheries are provided with dial.
Knife bar 6: be a cuboid, an end is provided with the inclined-plane, and with the middle frustum of a cone 52 cone match of micro actuator 5, the other end is provided with screwed hole 61, by screw or bolting cutter head 7.
Cutter head 7: alloy material is made, and is used for cutting.
Tool rest 9: with handle of a knife 10 whole manufacturings.
Handle of a knife 10: the screw 11 by handle of a knife 10 upper ends connects power input shaft.
Three. the annexation of each parts of trimming tool bit of the present invention.
A kind of cutter, comprise handle of a knife 10, tool rest 9, cutter head 7, tool rest 9 is fixedlyed connected with handle of a knife 10 lower ends, tool rest 9 is provided with installing hole 91, tool rest 9 radially is penetrated with tool bore 8, and tool bore 8 intersects with installing hole 91, and sliding fit has knife bar 6 in the tool bore 8, be provided with the adjusting device that promotes knife bar 6 radial motions in the installing hole 91, knife bar 6 outer ends connect cutter head 7.
Described adjusting device is meant the interior clamping sleeve 2 that is engaged in the installing hole 91, is combined with the micro actuator 5 that promotes knife bar 6 radial motions in the interior clamping sleeve 2, and tool rest 9 is provided with the fixture of fixing interior clamping sleeve 2.
Installing hole 91 axially is provided with from bottom to top in tool rest 9 lower ends, installing hole 91 axis, tool rest 9 axis and handle of a knife 10 deads in line; Knife bar 6 is positioned on the clamping sleeve 2.
Interior clamping sleeve 2 screws by screw thread with installing hole 91 inwalls and is connected; The fixture of clamping sleeve 2 was meant in interior clamping sleeve 2 outer ends and is positioned at installing hole 91 and is provided with locking plate 1 in described tool rest 9 lower ends were provided with and fix, and locking plate 1 screws with installing hole 91 inwalls and is connected.
Locking plate 1 is provided with inner hexagonal hole, inner hexagonal hole axis and installing hole 91 deads in line.
Described installing hole 91 is three grades of shoulder holes, is divided into first hole, second hole and the 3rd hole from top to bottom, and described micro actuator 5 is divided into cylinder 51, the middle frustum of a cone 52 and following cylinder 53 from top to bottom; Described upward cylinder 51 slides and rotatable being engaged in first hole, and the middle frustum of a cone 52 maximum gauges are less than second hole and the 3rd hole internal diameter, and following cylinder 53 outward flanges are provided with the external screw thread that screws mutually with interior clamping sleeve 2 internal threads; Micro actuator 5 bottoms are axially arranged with an inner hexagonal hole 54, inner hexagonal hole 54 axis and micro actuator 5 deads in line; Micro actuator 5 peripheries are provided with dial.
Be provided with cyclic spring cushion rubber 12 between locking plate 1 and the micro actuator 5.
Tool rest 9 lower end outward flanges are with an anti-skidding trim ring 4 and screw external compression cover 3.
Described tool bore 8 is rectangular cavity and is one that knife bar 6 is two.
Described micro actuator 5 is a permanent magnetism micro actuator 5.
Four. operation principle of the present invention.
Cutter of the present invention is when cutting, the connection situation of each parts is as follows, handle of a knife 10 connects power-equipment by screw 11, clamping sleeve 2 in screwing in the installing hole 91 of tool rest 9, the internal thread of interior clamping sleeve 2 is screwing the following cylinder 53 of micro actuator 5, and (interior clamping sleeve 2 lower ends are compressed by locking plate 1 under the situation that interior clamping sleeve 2 is fixed like this, the upper end heads on knife bar 6 and can't realize axially-movable, therefore can not rotate yet), rotary fine adjustment device 5, interior clamping sleeve 2 can and then not rotate.As long as rotary fine adjustment device 5 just can allow real micro actuator 5 realize axially-movable, last cylinder 51 cooperations of micro actuator 5 are directed in first hole of tool rest 9, play guide effect.The middle frustum of a cone 52 of micro actuator 5 is intersecting with tool bore 8, is provided with two knife bars 6 in the tool bore 8, and the inner inclined-plane 62 of knife bar 6 contacts with the taper seat of the middle frustum of a cone 52, and micro actuator 5 is magnetic, and therefore knife bar 6 can be held servo-actuated; In addition, interior clamping sleeve 2 is under the situation of tightening, and interior clamping sleeve 2 upper surfaces can prevent effectively that knife bar 6 is thrown out of with knife bar 6 being squeezed in the installing hole 91 tightly when rotating.The outer end of knife bar 6 is provided with screwed hole 61, by screw or bolting cutter head 7.Micro actuator 5 lower ends are provided with inner hexagonal hole 54 (can certainly a point of application be set in micro actuator 5 lower ends, be convenient to rotary fine adjustment device 5 and just become), are convenient to rotary fine adjustment device 5.Interior clamping sleeve 2 is compressed by locking plate 1, and flexible cushion rubber 12 between micro actuator 5 and the locking plate 1 mainly is to prevent that micro actuator 5 is loosening.Outside, tool rest 9 lower ends also is provided with anti-skidding trim ring 4 and external compression cover 3 is being pressed, and it is firm more, compact that whole cutter structure becomes.
When needs are regulated cutting output, be to work like this: screw off external compression cover 3, screw off locking plate 1 again, take off flexible rubber ring 12, turn micro actuator 5, micro actuator 5 axially moves, the middle frustum of a cone 52 conical surfaces of micro actuator 5 can promote two knife bars 6 and do radial motion, because micro actuator 5 peripheries are provided with dial, set a normal line on the interior clamping sleeve 2,, can set 5 one weeks of rotary fine adjustment device when datum mark usefulness, therefore the cutting output of a concrete specification of feeding can realize regulating cutting output according to concrete needs.After having regulated, again locking plate 1, external compression cover 3, flexible rubber ring 12 etc. are reinstalled.
Now provide the embodiment of concrete data, the helical pitch L=6mm of micro actuator 5 screw threads, establishing the line number is n=2, pitch p=3mm then, A=9 ° of the middle frustum of a cone 52 conical surfaces and last cylinder 51 axis extended line angle ∠, as shown in Figure 2.Adjuster 5 peripheries are divided equally 100 scales, be about to pitch p and be divided into N=100 part, the corresponding adjusting of each scale axial feeding is L1=3mm/100=0.03mm.Can release according to right angled triangle character: the radial feeds of a scale correspondence of every adjusting are R1=L1*tg9 °=0.03*0.158mm=0.00474mm.Therefore the present invention can rise to the cutting amount of feeding in the 0.005mm, and machining accuracy is higher.Can draw formula a: R1=p*tgA/N from above concrete data,
The present invention comes to this and solves the low technical problem of traditional machine tool machining accuracy.
In addition, the present invention also has other structure except said structure, and also can realize same function, specific as follows shown in.
First point, installing hole 91 of the present invention is axially disposed within on the tool rest 9; But situation of change is: installing hole 91 can radially be arranged on the tool rest 9.
Clamping sleeve 2 in second point, adjusting device of the present invention adopt and screw in the installing hole 91 is combined with the micro actuator 5 that promotes knife bar 6 radial motions in the interior clamping sleeve 2; But situation of change is: adjuster 5 directly screws with installing hole 91 inwalls and is connected, and tool rest 9 is axially arranged with screwed hole, and screwed hole and tool bore 8 square crossings are tightened from bottom to top by bolt and to be withstood knife bar 6, and knife bar 6 is fixed.
Thirdly, installing hole 91 of the present invention screws with interior clamping sleeve 2 and is connected; But situation of change is: can make installing hole 91 and interior clamping sleeve 2 into and adopt and be slidingly connected; Can also make circumferentially spacing mode of installing hole 91 and 2 axially-movables of interior clamping sleeve into, such as being provided with many axial slides in the installing hole 91, interior clamping sleeve 2 outer walls are provided with the axial card article that matches with axial slide number same position correspondingly-shaped.
The 4th point, the present invention is provided with an external compression cover 3 and anti-skidding trim ring 4 in tool rest 9 lower ends, and this can save in fact, and also available other modes replace.
The 5th point only is provided with a tool bore 8 on the tool rest 9 of the present invention, be provided with two knife bars 6 in the tool bore 8.But situation of change: a plurality of tool bores 8 and a plurality of knife bar 6 can be set as required.

Claims (10)

1. trimming tool bit, comprise handle of a knife (10), tool rest (9), cutter head (7), tool rest (9) is fixedlyed connected with handle of a knife (10) lower end, it is characterized in that: tool rest (9) is provided with installing hole (91), tool rest (9) radially is penetrated with tool bore (8), and tool bore (8) intersects with installing hole (91), and the interior sliding fit of tool bore (8) has knife bar (6), be provided with the adjusting device that promotes knife bar (6) radial motion in the installing hole (91), knife bar (6) outer end connects cutter head (7).
2. trimming tool bit according to claim 1, it is characterized in that: described adjusting device is meant the interior clamping sleeve (2) that is engaged in the installing hole (91), be combined with the micro actuator (5) that promotes knife bar (6) radial motion in the interior clamping sleeve (2), tool rest (9) is provided with the fixture of fixing interior clamping sleeve (2).
3. trimming tool bit according to claim 2 is characterized in that: installing hole (91) axially is provided with from bottom to top in tool rest (9) lower end, installing hole (91) axis, tool rest (9) axis and handle of a knife (10) dead in line; Knife bar (6) is positioned on the clamping sleeve (2).
4. trimming tool bit according to claim 2 is characterized in that: interior clamping sleeve (2) screws by screw thread with installing hole (91) inwall and is connected; The fixture of clamping sleeve (2) was meant in interior clamping sleeve (2) outer end and is positioned at installing hole (91) and is provided with locking plate (1) in described tool rest (9) lower end was provided with and fixes, and locking plate (1) screws with installing hole (91) inwall and is connected.
5. trimming tool bit according to claim 4 is characterized in that: locking plate (1) is provided with inner hexagonal hole, inner hexagonal hole axis and installing hole (91) dead in line.
6. trimming tool bit according to claim 2, it is characterized in that: described installing hole (91) is three grades of shoulder holes, be divided into first hole, second hole and the 3rd hole from top to bottom, described micro actuator (5) is divided into cylinder (51), the middle frustum of a cone (52) and following cylinder (53) from top to bottom; Described upward cylinder (51) slides and rotatable being engaged in first hole, and the middle frustum of a cone (52) maximum gauge is less than second hole and the 3rd hole internal diameter, and following cylinder (53) outward flange is provided with the external screw thread that screws mutually with interior clamping sleeve (2) internal thread; Micro actuator (5) bottom is axially arranged with an inner hexagonal hole (54), inner hexagonal hole (54) axis and micro actuator (5) dead in line; Micro actuator (5) periphery is provided with dial.
7. trimming tool bit according to claim 4 is characterized in that: be provided with cyclic spring cushion rubber (12) between locking plate (1) and the micro actuator (5).
8. trimming tool bit according to claim 1 is characterized in that: tool rest (9) lower end outward flange is with an anti-skidding trim ring (4) and screws an external compression cover (3).
9. trimming tool bit according to claim 1 is characterized in that: described tool bore (8) is rectangular cavity and is one that knife bar (6) is two.
10. according to claim 2 or 6 or 7 described trimming tool bits, it is characterized in that: described micro actuator (5) is a permanent magnetism micro actuator (5).
CN 201110027485 2011-01-21 2011-01-21 Fine-tuning knife Pending CN102151857A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110027485 CN102151857A (en) 2011-01-21 2011-01-21 Fine-tuning knife

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Application Number Priority Date Filing Date Title
CN 201110027485 CN102151857A (en) 2011-01-21 2011-01-21 Fine-tuning knife

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106694922A (en) * 2016-12-23 2017-05-24 盐城工学院 Quick-clamped self-centering large-diameter boring tool

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191402692A (en) * 1914-02-02 1915-01-28 Thomas Gordon Stanley Improvements in or relating to Boring Tools and the like.
GB237732A (en) * 1924-08-08 1925-08-06 Thomas William Airey Improvements in and relating to boring tools
US3577810A (en) * 1968-03-20 1971-05-04 Komet Stahlhalter Werkzeug Boring bar insert
GB2032820A (en) * 1978-09-18 1980-05-14 Tooloy Ltd A rotary cutting tool with inserts
CN1349872A (en) * 2001-12-11 2002-05-22 西安石油勘探仪器总厂 Method and equipment of machining reducing deep hole with small mouth and large middle part
CN1935425A (en) * 2006-10-19 2007-03-28 王诚信 Multifunctional transposable diameter-adjustable multitool machine boring tool
US20070280799A1 (en) * 2006-06-05 2007-12-06 Mitsubishi Materials Corporation Cutting tool for machining a hole
CN101125372A (en) * 2007-09-13 2008-02-20 陈硕 Adjustable floating boring cutter
CN201979108U (en) * 2011-01-21 2011-09-21 宁波华星新能源有限公司 Fine-tuning cutting tool

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191402692A (en) * 1914-02-02 1915-01-28 Thomas Gordon Stanley Improvements in or relating to Boring Tools and the like.
GB237732A (en) * 1924-08-08 1925-08-06 Thomas William Airey Improvements in and relating to boring tools
US3577810A (en) * 1968-03-20 1971-05-04 Komet Stahlhalter Werkzeug Boring bar insert
GB2032820A (en) * 1978-09-18 1980-05-14 Tooloy Ltd A rotary cutting tool with inserts
CN1349872A (en) * 2001-12-11 2002-05-22 西安石油勘探仪器总厂 Method and equipment of machining reducing deep hole with small mouth and large middle part
US20070280799A1 (en) * 2006-06-05 2007-12-06 Mitsubishi Materials Corporation Cutting tool for machining a hole
CN1935425A (en) * 2006-10-19 2007-03-28 王诚信 Multifunctional transposable diameter-adjustable multitool machine boring tool
CN101125372A (en) * 2007-09-13 2008-02-20 陈硕 Adjustable floating boring cutter
CN201979108U (en) * 2011-01-21 2011-09-21 宁波华星新能源有限公司 Fine-tuning cutting tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106694922A (en) * 2016-12-23 2017-05-24 盐城工学院 Quick-clamped self-centering large-diameter boring tool
CN106694922B (en) * 2016-12-23 2018-04-03 盐城工学院 A kind of self-centering major diameter boring cutter of quick-clamping

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Application publication date: 20110817

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