CN103231126B - Machining cutter - Google Patents
Machining cutter Download PDFInfo
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- CN103231126B CN103231126B CN201310138080.2A CN201310138080A CN103231126B CN 103231126 B CN103231126 B CN 103231126B CN 201310138080 A CN201310138080 A CN 201310138080A CN 103231126 B CN103231126 B CN 103231126B
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Abstract
The invention discloses a machining cutter which comprises cutter blades (2), positioning pressing mechanisms (3), a cutter disc (1), cutter blade holes (4) for mounting of the cutter blades (2), and ports for mounting of the positioning pressing mechanisms (3). First positioning faces (4-1) are arranged on the inner sides of the cutter blade holes (4), and second positioning faces (4-2) are arranged on the pressure bearing surfaces of the cutter blade holes (4). The pressing faces of the pressing blocks (3-2) of the positioning pressing mechanisms (3) and the cutter blades (2) are inclined faces. The inner sides of the cutter blades (2) press the first positioning faces (4-1) tightly, and the back sides of the cutter blades (2) press the second positioning faces (4-1) tightly. According to the machining cutter, the structure is simple, and front and back positioning of the cutter blades are performed through a face contact mode instead of depending on hole matching relations, so that the machining technology is good, and the service life is long.
Description
Technical field
The present invention relates to machine tools technical field, be particularly suitable for the cutter processing end face rolling cut cyclo-palloid curve bevel gear and hypoid gear and face milling circle-arc tooth bevel gear and hypoid gear.
Background technology
At present, the cutter of processing cyclo-palloid curve bevel gear, hypoid gear, circle-arc tooth bevel gear is divided into outer cutter, interior cutter, thick cutter by cutting edge.Wherein, outer cutter main cutting edge is outside, the concave surface of machining gears teeth groove; Interior cutter main cutting edge is inner edge, the convex surface of machining gears teeth groove; Thick cutter main cutting edge is for being top sword, the root circle part of machining gears teeth groove.
The cutter of Machining Arc bevel gear and hypoid gear is end face disc milling cutter; The cutter of processing cyclo-palloid curve bevel gear and hypoid gear is end face disc hobboing cutter.
End face disc milling cutter to be divided into again in the outer smoothing tool of heavy-duty tool, two-sided smoothing tool, one side and one side smoothing tool etc. four kinds by function, wherein heavy-duty tool is equipped with outer cutter, interior cutter and thick cutter three kinds of cutter heads, is evenly arranged on disk cutter hub by the order of thick cutter, outer cutter, thick cutter, interior cutter; Two-sided smoothing tool is equipped with outer cutter and interior cutter two kinds of cutter heads, is evenly arranged on disk cutter hub by the order of outer cutter, interior cutter is staggered; The outer smoothing tool of one side is only equipped with outer cutter; In one side, smoothing tool is only equipped with interior cutter.
When Machining Arc bevel gear and hypoid gear, on cutterhead, all cutter heads all pass through same teeth groove, and after the machined surface of a teeth groove machines, cutter exits, and reprocesses the machined surface of another teeth groove after calibration, are called again the processing of monodentate calibration.
End face disc hobboing cutter cutter head is evenly arranged on disk cutter hub in mode in groups, beyond having, cutter and interior cutter are in groups, also cutter beyond having, interior cutter and thick cutter are in groups, same group of its outer cutter of cutter, interior cutter are also or add position demand fulfillment workpiece and the cutter relative motion processing conditions of thick cutter, usually not equally distributed, its position will meet the relative motion relation of cutterhead and workpiece, on cutterhead, same group of cutter head is by same teeth groove, and next group cutter head is by the next teeth groove of workpiece, continuous division is made again to process.
End face disc hobboing cutter and end face disc milling cutter divide by rotation direction left-handed and dextrorotation two kinds, and from cutter end face just adding man-hour, left-handed cutter is rotated in a clockwise direction, and dextrorotation cutter rotates in the counterclockwise direction.
End face disc hobboing cutter and end face disc milling cutter divide by cutter head type blade type and tool section formula two kinds:
Blade type end face disc hobboing cutter and blade type end face disc milling cutter all use back-off blade, only need grind rake face during sharpening, and blade can sharpening number of times be few again, and service life is short.
Tool section formula end face disc hobboing cutter and tool section formula end face disc milling cutter all use tool section, can again sharpening often, long service life, be particularly suitable for produce in enormous quantities.
Wherein the shape of tool section is an elongated cuboid, adopts three sharpening ways to whet a knife, and namely need grind knife face and cutter top after knife face after rake face, secondary sword, main sword during sharpening, main angle of cutting edge can change flexibly, but according to coating, all needs to be coated with after each sharpening again.
Another kind of tool section is smart base, and shape is still an elongated cuboid, but reconditioning rake face in advance, adopts two sides sharpening way to whet a knife, and namely only grinds knife face and cutter top after knife face after secondary sword, main sword.Only need to repair in advance according to coating and primary coating is carried out to rake face, without the need to being coated with again after each sharpening afterwards.
Existing tool section adopt a kind of compress and locate mode be directly act on tool section lateral surface with lock-screw mode in outer locking, before and after tool section, positioning precision depends on the tool section hole quality of fit on tool section and cutter hub.This mode due to screw and tool section contact area little, easily tool section is damaged by pressure, and easily cause tool section loosen.
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 1 is the structural representation of a kind of tool section locking and locate mode in prior art; Fig. 2 is the axonometric drawing of briquetting shown in Fig. 1; Fig. 3 is the axonometric drawing of tool section shown in Fig. 1.
As shown in the figure, the another kind that tool section 2 ＇ adopts compresses and locate mode acts on lock-screw 3-1 ＇ the briquetting 3-2 ＇ that cross section is rectangle, and briquetting 3-2 ＇ remakes outer locking in the mode for tool section 2 ＇ lateral surface.Although this mode can solve the little problem of contact area, but positioning precision still depends on the tool section hole quality of fit on tool section and cutter hub before and after tool section, the processing technology of tool setting cylindrical void proposes high requirement, in order to ensure that tool section and tool section hole can precise match, it is complex-shaped that tool section hole is designed, and its three locating surfaces all require to have high machining accuracy.
Therefore, when effectively compressing and locating tool section, how reducing the requirement on machining accuracy of tool setting cylindrical void, is those skilled in the art's technical issues that need to address.
Summary of the invention
The object of this invention is to provide a kind of tool for cutting machining.This cutter structure is simple, and before and after tool section, location does not rely on hole matching relationship, but is located by the face way of contact, and its processing technology is good, long service life.
To achieve these goals, the invention provides a kind of tool for cutting machining, comprising:
Tool section;
Positioning compression mechanism;
Cutter head, is provided with the tool section hole of installing described tool section, and installs the interface of described positioning compression mechanism;
The medial surface in described tool section hole is the first locating surface, and the pressure-bearing surface in described tool section hole is the second locating surface;
The described briquetting of positioning compression mechanism and the seal face of tool section are inclined-plane, and the medial surface of described tool section presses described first locating surface, and described second locating surface is pressed at the back side of described tool section.
Preferably, described first locating surface is parallel to the axis of described cutter head;
The axis of described second locating surface and described cutter head forms inclination angle.
Preferably, the back side of described tool section and the seal face of tool section form β angle.
Preferably, described briquetting fits in the briquetting installing hole of described cutter head, and its binding face and seal face form r angle.
Preferably, described β angle is more than or equal to described r angle, or described β angle is less than or equal to described r angle.
Preferably, described tool section hole is straight hole or bending hole.
Preferably, the cross sectional shape of described briquetting is polygon.
Preferably, the outer end of described briquetting is provided with spring mechanism.
Preferably, the locking member of described positioning compression mechanism is screw.
Preferably, end face disc milling cutter or end face disc hobboing cutter is specially.
Tool for cutting machining provided by the present invention has done further improvement on the basis of existing technology, the briquetting of its positioning compression mechanism and the seal face of tool section are inclined-plane, during assembling cutterhead, tool section is inserted tool section hole, apply certain precompression to briquetting and tentatively compress tool section, adjustment tool section is locked after requiring position again, acts on briquetting be passed on tool section seal face again and compress tool section by locking member.
Because seal face is inclined-plane, make thrust have a larger component in the normal direction on inclined-plane, this component makes the medial surface of tool section and the back side press the corresponding locating surface in tool section hole, i.e. the first locating surface and the second locating surface.So, the location, front and back of tool section is just no longer dependent on hole matching relationship, but positioned by the face way of contact, precise match is not needed between tool section and tool section hole, certain surplus can be there is, when effectively compressing and locating tool section, its processing technology is good, significantly reduces the requirement on machining accuracy of tool setting cylindrical void.
In a kind of preferred version, the axis of described second locating surface and described cutter head forms inclination angle, can by obliquity structure in the axial direction tool section be limited, remain in tool section hole, thus tool section is fixed more reliably, prevent it from use occurring loosening.
In another kind of preferred version, the outer end of described briquetting is provided with spring mechanism, and when assembling cutterhead, spring mechanism can form certain precompression to briquetting.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of tool section locking and locate mode in prior art;
Fig. 2 is the axonometric drawing of briquetting shown in Fig. 1;
Fig. 3 is the axonometric drawing of tool section shown in Fig. 1;
Fig. 4 is the partial sectional view of a kind of detailed description of the invention of tool for cutting machining provided by the present invention;
Fig. 5 is the axonometric drawing of briquetting shown in Fig. 4;
Fig. 6 is the end view of Fig. 5;
Fig. 7 is the axonometric drawing of tool section shown in Fig. 4;
Fig. 8 is the end view of Fig. 7;
The overall structure schematic diagram that Fig. 9 is cutter head shown in Fig. 4;
Figure 10 is the partial sectional view of Fig. 9;
Figure 11 is a kind of tool section formula end face disc hobboing cutter schematic diagram provided by the present invention;
Figure 12 is the internal structure schematic diagram of Figure 11;
Figure 13 is a kind of tool section formula end face disc milling cutter schematic diagram provided by the present invention.
In Fig. 1 to Fig. 3:
Tool section 2 ＇ screw 3-1 ＇ briquetting 3-2 ＇
In Fig. 4 to Figure 13:
1. the cutter head 2. tool section 2-1. medial surface 2-2. back side 3. positioning compression mechanism 3-1. screw 3-2. briquetting 4. tool section hole 4-1. first locating surface 4-2. second locating surface
Detailed description of the invention
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 4 to Fig. 8, Fig. 4 is the partial sectional view of a kind of detailed description of the invention of tool for cutting machining provided by the present invention; Fig. 5 is the axonometric drawing of briquetting shown in Fig. 4; Fig. 6 is the end view of Fig. 5; Fig. 7 is the axonometric drawing of tool section shown in Fig. 4; Fig. 8 is the end view of Fig. 7.
In a kind of detailed description of the invention, tool for cutting machining provided by the invention is primarily of compositions such as cutter head 1, tool section 2, positioning compression mechanisms 3.
The interface that cutter head 1 is designed with the interface docked with machine tool spindle, the tool section hole 4 of installing tool section 2 and installs positioning compression mechanism.
According to Tool in Cutting force direction, the tool section hole 4 on cutter head 1 devises two locating surfaces, is the first locating surface 4-1(and medial surface respectively) and the second locating surface 4-2(and pressure-bearing surface), tool section hole 4 can be designed to straight hole and two kinds, bending hole form.
The blank of tool section 2 is an elongated cuboid when shaping without final processing, and the needs according to cutting can be processed into multiple difformity, as: cutter, thick cutter etc. in left-handed outer cutter, left-handed interior cutter, the outer cutter of dextrorotation and dextrorotation.Its common feature is: the sharpening Set and Positioning datum level of tool section is identical with dress cutter positioning reference plane, be medial surface 2-1 and the back side 2-2 of tool section 2, the clamping area of tool section back side 2-2 and tool section 2 forms a β angle, and its seal face corresponding with briquetting 3-2 is inclined-plane.
Positioning compression mechanism 3 comprises the part such as lock-screw 3-1, briquetting 3-2, the cross sectional shape of briquetting 3-2 is polygon, be characterized in: briquetting 3-2 fits in the briquetting installing hole of cutter head 1, its binding face and seal face form a r angle, and its seal face corresponding with tool section 2 is also inclined-plane.
When tool section hole 4 is straight hole, briquetting 3-2 parallels with the seal face of tool section 2, β angle equals r angle, when tool section hole 4 is for bending hole, briquetting 3-2 still parallels with the seal face of tool section 2, but due to the existence of bending angle, the difference of, dextrorotation left-handed according to cutter head 1, β angle is likely greater than or less than r angle.
Please refer to Fig. 9, Figure 10, the overall structure schematic diagram that Fig. 9 is cutter head shown in Fig. 4; Figure 10 is the partial sectional view of Fig. 9.
First locating surface 4-1 parallels with the axis of cutter head 1, and the second locating surface 4-2 becomes an inclination angle with the axis of cutter head 1, and e shown in figure is the width in tool section hole, and f3 is inclination angle.In the axial direction tool section 2 can be limited by obliquity structure, remain in tool section hole 4, thus tool section 2 is fixed more reliably, prevent it from use occurring loosening.
During assembling cutterhead, tool section 2 is inserted tool section hole 4, apply certain precompression by lock-screw 3-1 to briquetting 2 and tentatively compress tool section 2, adjustment tool section 2 tightens lock-screw 3-1 after requiring position, is acted on seal face that briquetting 3-2 is passed to tool section 2 again compress tool section 2 by lock-screw 3-1.Because seal face is inclined-plane, make the thrust of screw 3-1 have a larger component in the normal direction on inclined-plane, this component makes the medial surface of tool section and the back side press the corresponding locating surface of cutter head 1 upper slitter cylindrical void 4.During use, under the effect of cutting force, tool section 2 will be close to the first locating surface 4-1 and the second locating surface 4-2 all the time.
Because the location, front and back of tool section 2 is no longer dependent on hole matching relationship, but positioned by the face way of contact, therefore precise match is not needed between tool section 2 and tool section hole 4, certain surplus can be there is, when effectively compressing and locating tool section 2, its processing technology is good, significantly reduces the requirement on machining accuracy of tool setting cylindrical void 4.
Improve as one, during assembling cutterhead, also can increase spring mechanism (not shown) on lock-screw 3-1 and certain precompression is formed to briquetting 3-2.
By the dissimilar gear of processing and processing method, the present invention can be designed to end face disc milling cutter and end face disc hobboing cutter
Please refer to Figure 11, Figure 12, Figure 11 is a kind of tool section formula end face disc hobboing cutter schematic diagram provided by the present invention; Figure 12 is the internal structure schematic diagram of Figure 11.
This cutter is tool section formula end face disc hobboing cutter, and its parameter is as follows
Rotation direction: dextrorotation
Cutter group number: 13
Often organize cutter composition: cutter in 1 outer cutter, 1
Outer cutter tool section: use general tool section inside and outside left-right rotary
Interior cutter tool section: use general tool section inside and outside left-right rotary
Outer cutter tool section well format: use bending hole
Interior cutter tool section well format: use rectangular opening
Processing work model: STR17:28 jackshaft steamboat and bull wheel
Please refer to Figure 13, Figure 13 is a kind of tool section formula end face disc milling cutter schematic diagram provided by the present invention.
This cutter is tool section formula end face disc milling cutter, and its parameter is as follows:
Rotation direction: dextrorotation
Number of teeth: 32
Outer cutter tool section: use the outer general tool section of cutter of left-right rotary
Interior cutter tool section: use general tool section inside and outside left-right rotary
Outer cutter tool section well format: use rectangular opening
Interior cutter tool section well format: use rectangular opening
Processing work model: EQ1537:36 back axle steamboat and bull wheel
Certainly, above-mentioned tool for cutting machining is only preferred version of the present invention, is specifically not limited thereto, and can make pointed adjustment according to actual needs on this basis, thus obtain different embodiments.Because mode in the cards is more, just illustrate no longer one by one here.
Above tool for cutting machining provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands core concept of the present invention for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (10)
1. a tool for cutting machining, comprising:
Tool section (2);
Positioning compression mechanism (3);
Cutter head (1), is provided with the tool section hole (4) of installing described tool section (2), and installs the interface of described positioning compression mechanism (3), it is characterized in that:
The medial surface of described tool section hole (4) is the first locating surface (4-1), and the pressure-bearing surface of described tool section hole (4) is the second locating surface (4-2);
The briquetting (3-2) of described positioning compression mechanism (3) and the seal face of tool section (2) are inclined-plane, the medial surface of described tool section (2) presses described first locating surface (4-1), and described second locating surface (4-2) is pressed at the back side of described tool section (2);
Surplus is there is in described tool section (2) relative between the another side of described second locating surface (4-2) and described tool section hole.
2. tool for cutting machining according to claim 1, is characterized in that, described first locating surface (4-1) is parallel to the axis of described cutter head (1);
Described second locating surface (4-2) forms inclination angle with the axis of described cutter head (1).
3. tool for cutting machining according to claim 2, is characterized in that, the back side and the seal face of described tool section (2) form β angle.
4. tool for cutting machining according to claim 3, is characterized in that, described briquetting (3-2) fits in the briquetting installing hole of described cutter head (1), and its binding face and seal face form r angle.
5. tool for cutting machining according to claim 4, is characterized in that, described β angle is more than or equal to described r angle, or described β angle is less than or equal to described r angle.
6. tool for cutting machining according to claim 1, is characterized in that, described tool section hole (4) is straight hole or bending hole.
7. tool for cutting machining according to claim 1, is characterized in that, the cross sectional shape of described briquetting (3-2) is polygon.
8. tool for cutting machining according to claim 7, is characterized in that, the outer end of described briquetting (3-2) is provided with spring mechanism.
9. tool for cutting machining according to claim 1, is characterized in that, the locking member of described positioning compression mechanism (3) is screw (3-1).
10. the tool for cutting machining according to any one of claim 1 to 9, is characterized in that, is specially end face disc milling cutter or end face disc hobboing cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310138080.2A CN103231126B (en) | 2013-04-19 | 2013-04-19 | Machining cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310138080.2A CN103231126B (en) | 2013-04-19 | 2013-04-19 | Machining cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103231126A CN103231126A (en) | 2013-08-07 |
| CN103231126B true CN103231126B (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310138080.2A Active CN103231126B (en) | 2013-04-19 | 2013-04-19 | Machining cutter |
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| CN (1) | CN103231126B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925846A (en) * | 2017-03-10 | 2017-07-07 | 江苏飞船股份有限公司 | Spiral bevel gear teeth portion cutting tool and its mounting structure |
| CN110340450A (en) * | 2019-07-01 | 2019-10-18 | 湖南中大创远数控装备有限公司 | A kind of numerically controlled tooth grinding machine |
| CN111975134B (en) * | 2020-07-29 | 2022-11-18 | 湖南中大创远数控装备有限公司 | Tool section anchor clamps |
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| CN2589136Y (en) * | 2002-12-20 | 2003-12-03 | 沈阳工业大学 | Disc milling cutter having shiftable circular blade for bolt processing |
| JP2008142870A (en) * | 2006-12-13 | 2008-06-26 | Tungaloy Corp | Cutting tool |
| WO2008123424A1 (en) * | 2007-03-30 | 2008-10-16 | Kyocera Corporation | Sheet member, rotary tool using the sheet member, and cutting method using the rotary tool |
| CN201309020Y (en) * | 2008-12-04 | 2009-09-16 | 洛阳洛硬工工模数控有限公司 | Module type big diameter aluminum surface milling cutter |
| CN201572953U (en) * | 2009-07-17 | 2010-09-08 | 四川天虎工具有限责任公司 | Mechanically-clamped indexable crankshaft molding milling cutter |
| CN102922023A (en) * | 2012-11-12 | 2013-02-13 | 常州瑞诺切数控刀具有限公司 | Face milling cutter with indexable inserts and knife pads thereof |
| CN203184772U (en) * | 2013-04-19 | 2013-09-11 | 湖南中大创远数控装备有限公司 | Cutting machining tool |
-
2013
- 2013-04-19 CN CN201310138080.2A patent/CN103231126B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2589136Y (en) * | 2002-12-20 | 2003-12-03 | 沈阳工业大学 | Disc milling cutter having shiftable circular blade for bolt processing |
| JP2008142870A (en) * | 2006-12-13 | 2008-06-26 | Tungaloy Corp | Cutting tool |
| WO2008123424A1 (en) * | 2007-03-30 | 2008-10-16 | Kyocera Corporation | Sheet member, rotary tool using the sheet member, and cutting method using the rotary tool |
| CN201309020Y (en) * | 2008-12-04 | 2009-09-16 | 洛阳洛硬工工模数控有限公司 | Module type big diameter aluminum surface milling cutter |
| CN201572953U (en) * | 2009-07-17 | 2010-09-08 | 四川天虎工具有限责任公司 | Mechanically-clamped indexable crankshaft molding milling cutter |
| CN102922023A (en) * | 2012-11-12 | 2013-02-13 | 常州瑞诺切数控刀具有限公司 | Face milling cutter with indexable inserts and knife pads thereof |
| CN203184772U (en) * | 2013-04-19 | 2013-09-11 | 湖南中大创远数控装备有限公司 | Cutting machining tool |
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| CN103231126A (en) | 2013-08-07 |
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