CN206747653U - Compound tool is bored in a kind of ladder boring - Google Patents

Compound tool is bored in a kind of ladder boring Download PDF

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Publication number
CN206747653U
CN206747653U CN201720094291.4U CN201720094291U CN206747653U CN 206747653 U CN206747653 U CN 206747653U CN 201720094291 U CN201720094291 U CN 201720094291U CN 206747653 U CN206747653 U CN 206747653U
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Prior art keywords
boring
hole
cutter
boring cutter
processed
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CN201720094291.4U
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李石炎
柳成涛
韩胡伟
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Weihai Bert Lisa Ke Di Automobile Safety System Co Ltd
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Weihai Bert Lisa Ke Di Automobile Safety System Co Ltd
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Abstract

It the utility model is related to a kind of ladder boring and bore compound tool, including the cutter hub being made up of drill bit and knife bar, it is characterised in that the drill bit is installed on the cutter head bottom of the cutter hub, and the drill bit corresponds to and be used for the aperture for processing the workpiece to be processed;The knife bar includes the compound cutter hub of the compound cutter hub in front end and rear end, and workpiece to be processed first step hole described in boring, first boring cutter in second step hole, the second boring cutter are sequentially installed with the compound cutter hub in front end;The compound cutter hub in rear end is combined by the 3rd boring cutter, the 4th boring cutter and the 5th boring cutter of the 3rd stepped hole for processing the workpiece to be processed, the 4th stepped hole and the 5th stepped hole.6 cutters are compounded on a cutter by compound tool of the present utility model, save the time of tool changing and machine tool movement, and can improve the positional precision in hole, so as to save the working time and reduce the input of equipment, can be greatly improved production efficiency and be reduced cost.

Description

Compound tool is bored in a kind of ladder boring
Technical field
NC cutting tool technical field of structures is the utility model is related to, specifically, relate to a kind of stepped bore+drilling Compound tool.
Background technology
At present, for Digit Control Machine Tool, when changing the time that cutter is typically necessary several seconds, and processing, cutter also needs to The mobile time.Need to drill processing some planes where having multilayer steps hole and stepped hole, each stepped hole needs one Borer, the aperture at plane also wants independent one cutter, if hole needs chamfering, also needs to increase by one chamfering Knife, for removing the overlap in hole.
Therefore, in normal digital control processing operation, we generally require that cutter one could be completed by two or three The processing of individual stepped hole, operate comparatively laborious, waste time and energy, processing efficiency is low.
Utility model content
The utility model aims to solve the problem that function existing for existing NC cutting tool is single, and lathe needs repeatedly to change cutter The technological deficiencies such as the operating efficiency brought is low, and then provide and a kind of have that structure is simple and direct, multiple functional, lathe need to only change one Compound tool is bored in the ladder boring for integrating the functions such as reaming, boring, chamfering of secondary cutter.
To solve the above problems, technical scheme is used by the utility model:
Compound tool is bored in a kind of ladder boring, for being drilled to workpiece to be processed S and bore hole, including by drill bit 10 and knife The cutter hub that bar 11 is formed, it is characterized in that, the drill bit 10 is installed on the cutter head bottom of the cutter hub, and the drill bit 10 is right The aperture F for processing the workpiece to be processed and should be used for;The knife bar 11 includes the compound cutter hub of the compound cutter hub in front end and rear end, institute State and workpiece to be processed first step hole A described in boring, second step hole B the first boring cutter are sequentially installed with the compound cutter hub in front end 1st, the second boring cutter 2;The compound cutter hub in rear end is by the 3rd stepped hole C, the 4th step for processing the workpiece to be processed S Hole D and the 5th stepped hole E the 3rd boring cutter 3, the 4th boring cutter 4 and the 5th boring cutter 5 are combined;The first step hole A, second Stepped hole B, the 3rd stepped hole C, the 4th stepped hole D and the 5th stepped hole E are the shoulder hole in coaxial different footpaths, first boring cutter 1st, the second boring cutter 2, the 3rd boring cutter 3, the 4th boring cutter 4 and 5 stepped structure of the 5th boring cutter are laid on the knife bar 11.
The first step hole A of the workpiece to be processed S is minimum aperture, is processed by the first boring cutter 1 of the knife bar front end; Second step hole B is provided with the reverse side of the first step hole A, is added by second boring cutter 2 adjacent with first boring cutter 1 Work;
Sequentially it is provided with from inside to outside respectively by the 3rd according to ascending aperture in the opposite side of the first step hole A The 3rd stepped hole C, the 4th stepped hole D and the 5th stepped hole E of the corresponding processing of boring cutter 3, the 4th boring cutter 4 and the 5th boring cutter 5;
In order to process the second step hole B of the workpiece to be processed S, it is reserved with the knife bar 11 and allows knife space K3, institute State and allow knife space K3 between the boring cutter 3 of the second boring cutter 2 and the 3rd;
The 5th stepped hole E is chamfered bore;
The material that the cutter hub uses is Cr12MoV;
The drill bit is using hard alloy non-standard component;
First boring cutter 1, the second boring cutter 2, the 3rd boring cutter 3, the 4th boring cutter 4 and the 5th boring cutter 5 are sequentially welded on described On knife bar 11;
The drill bit 10, which is bolted, to be installed in the mounting hole that the cutter head bottom opens up;
In order to reduce cutting force so that the hole processed is more stable, first boring cutter 1, the second boring cutter the 2, the 3rd The blade of boring cutter 3, the 4th boring cutter 4 and the 5th boring cutter 5 is PCD materials, and whole cutter hub needs to be G=6.3mm/s, n=5000RPM's Dynamic balancing;
It is described to allow knife space K3 to should be greater than second step hole B bottom holes extremely for the ease of second step hole described in tool sharpening The distance between workpiece to be processed S upper surfaces L2;The axial distance K2 of second boring cutter 2 should be greater than second step hole B depth Spend L1;
In order to ensure the first step hole A of minimum dimensional accuracy, 3. the diameter of axle of second boring cutter 2 is less than the first boring cutter 2 diameter of axle is 2.;
In order to meet the depth of processing step, the axial distance K5 and the 4th stepped hole D of the 4th boring cutter 4 depth Degree L4 is identical, and distance is L3 between the bottom hole of the workpiece to be processed S upper surfaces to the 3rd stepped hole C, described to be processed Workpiece S upper surfaces to the distance between the bottom hole of the 4th stepped hole 4 is L4, and the axial distance K4 of the 3rd boring cutter 3 is equal to L3-L4;
In order to meet the diametric requirements of stepped hole, the diameter of axle of first boring cutter 2 is 2. straight equal to first step hole A 4. footpath, the diameter of axle of the 3rd boring cutter are equal to the 3rd stepped hole C diameter;5. the diameter of axle of 4th boring cutter 4 is equal to the 4th Rank hole D diameter.
Compound tool is bored in a kind of ladder boring of the present utility model, and it is single to solve function existing for existing NC cutting tool, with And lathe needs repeatedly to change the technical problems such as the operating efficiency brought of cutter is low, compound tool of the present utility model is by 6 Cutter is compounded on a cutter, saves the time of tool changing and machine tool movement, and can improve the positional precision in hole, so as to save The about input of working time and reduction equipment, production efficiency can be greatly improved and reduce cost.
Brief description of the drawings
Fig. 1:Stepped bore of the present utility model+drilling compound tool structural representation;
Fig. 2:Stepped bore of the present utility model+drilling compound tool scale diagrams;
Fig. 3:Need the schematic diagram of stepped hole processed;
Fig. 4:Stepped bore+drilling compound tool bore state structural representation;
Fig. 5:Stepped bore+drilling compound tool boring stepped hole A condition structural representation;
Fig. 6:Stepped bore+drilling compound tool boring stepped hole B state structural representation;
Fig. 7:Stepped bore+drilling compound tool boring stepped hole C, D, E-state structural representation;
Fig. 8:Stepped bore+boring cutter of drilling compound tool second and second step hole site top view;
In figure, the 1, first boring cutter, the 2, second boring cutter, the 3, the 3rd boring cutter, the 4, the 4th boring cutter, the 5, the 5th boring cutter, A, first Stepped hole, B, second step hole, C, the 3rd stepped hole, D, the 4th stepped hole, E, the 5th stepped hole, F, aperture, workpiece to be processed, 9th, bolt, 10, drill bit, 11, knife bar, L1, second step hole depth, on L2, second step hole bottom hole to the workpiece to be processed The distance between end face, L3, workpiece to be processed upper surface to the 3rd stepped hole bottom hole between distance, L4, work to be processed Part upper surface is the distance between to the 4th stepped hole bottom hole, L5, small hole depth, K1, the length of the bit, K2, the second boring cutter Axial distance, K3, allow knife space, K4, the axial distance of the 3rd boring cutter, K5, the axial distance of the 4th boring cutter, 1., hole diameter, 2., the diameter of axle of the first boring cutter, 3., the diameter of axle of the second boring cutter, 4., the diameter of axle of the 3rd boring cutter, 5., the diameter of axle of the 4th boring cutter.
Embodiment
Compound tool is bored to a kind of ladder boring of the utility model with regard to accompanying drawing 1-7 below to be described in detail below.
Embodiment 1
Compound tool is bored in a kind of ladder boring, for being drilled to workpiece to be processed S and bore hole, including by drill bit 10 and knife The cutter hub that bar 11 is formed, the drill bit 10 are installed on the cutter head bottom of the cutter hub, and the drill bit 10 is corresponding and for processing institute State the aperture F of workpiece to be processed;The knife bar 11 includes the compound cutter hub of the compound cutter hub in front end and rear end, the compound cutter hub in front end On be sequentially installed with workpiece to be processed first step hole A described in boring, second step hole B the first boring cutter 1, the second boring cutter 2;Institute It is by the 3rd stepped hole C, the 4th stepped hole D and the 5th step for processing the workpiece to be processed S to state the compound cutter hub in rear end Hole E the 3rd boring cutter 3, the 4th boring cutter 4 and the 5th boring cutter 5 is combined;The first step hole A, second step hole B, the 3rd Stepped hole C, the 4th stepped hole D and the 5th stepped hole E are the shoulder hole in coaxial different footpaths, first boring cutter 1, the second boring cutter 2, 3rd boring cutter 3, the 4th boring cutter 4 and 5 stepped structure of the 5th boring cutter are laid on the knife bar 11.
The first step hole A of the workpiece to be processed S is minimum aperture, is processed by the first boring cutter 1 of the knife bar front end; Second step hole B is provided with the reverse side of the first step hole A, is added by second boring cutter 2 adjacent with first boring cutter 1 Work;Sequentially it is provided with from inside to outside respectively by the 3rd boring cutter according to ascending aperture in the opposite side of the first step hole A 3rd, the 4th boring cutter 4 and the 3rd stepped hole C, the 4th stepped hole D and the 5th stepped hole E of the corresponding processing of the 5th boring cutter 5;In order to process The second step hole B of the workpiece to be processed S, it is reserved with the knife bar 11 and allows knife space K3, it is described to allow knife space K3 to be located at Between the boring cutter 3 of second boring cutter 2 and the 3rd;The 5th stepped hole E is chamfered bore;
The material that the cutter hub uses is Cr12MoV;The drill bit is using hard alloy non-standard component;
First boring cutter 1, the second boring cutter 2, the 3rd boring cutter 3, the 4th boring cutter 4 and the 5th boring cutter 5 are sequentially welded on described On knife bar 11;The drill bit 10 is fixedly installed in by bolt 9 in the mounting hole that the cutter head bottom opens up;
In order to reduce cutting force so that the hole processed is more stable, first boring cutter 1, the second boring cutter the 2, the 3rd The blade of boring cutter 3, the 4th boring cutter 4 and the 5th boring cutter 5 is PCD materials, and whole cutter hub needs to be G=6.3mm/s, n=5000RPM's Dynamic balancing;It is described to allow knife space K3 to should be greater than second step hole B bottom holes to institute for the ease of second step hole described in tool sharpening State the distance between workpiece to be processed S upper surfaces L2;The axial distance K2 of second boring cutter 2 should be greater than second step hole B depth L1;
In order to ensure the first step hole A of minimum dimensional accuracy, 3. the diameter of axle of second boring cutter 2 is less than the first boring cutter 2 diameter of axle is 2.;In order to meet the depth of processing step, the axial distance K5's and the 4th stepped hole D of the 4th boring cutter 4 Depth L4 is identical, and distance is L3 between the bottom hole of the workpiece to be processed S upper surfaces to the 3rd stepped hole C, described to be added Work workpiece S upper surfaces to the distance between the bottom hole of the 4th stepped hole 4 is L4, axial distance K4 of the 3rd boring cutter 3 etc. In L3-L4;In order to meet the diametric requirements of stepped hole, the diameter of axle of first boring cutter 2 is 2. straight equal to first step hole A 4. footpath, the diameter of axle of the 3rd boring cutter are equal to the 3rd stepped hole C diameter;5. the diameter of axle of 4th boring cutter 4 is equal to the 4th Rank hole D diameter.
It is that workpiece to be processed S process is described below:
In figure 3, it would be desirable to which the stepped hole of processing is respectively first step hole A, second step hole B, the 3rd stepped hole C, the 4th stepped hole D, the 5th stepped hole E and aperture F.We are machined to make a reservation for small hole depth L5 first with drill bit machining small F When, withdrawing;Composite cutter is moved to the center of workpiece to be processed S stepped holes, starts to process first step hole A, see Fig. 4;
Composite cutter is moved to second step hole bottom hole to the distance between workpiece to be processed upper surface L2 positions, then Second boring cutter bias move to first step hole A inner wall positions, see Fig. 8, the 1st step, composite cutter start using the axis of stepped hole as The center of circle, the size of (B- is 2.)/2 is radius, does circular interpolation, processes second step hole B, sees Fig. 8, the 2nd step;Then by the Then 1 step backtracking processes the 3rd stepped hole C, the 4th stepped hole D and the 5th stepped hole E to the center of circle of stepped hole;Most retreat Knife, completion of processing.

Claims (9)

1. compound tool is bored in a kind of ladder boring, for being drilled to workpiece to be processed and bore hole, including by drill bit and knife bar structure Into cutter hub, it is characterised in that the drill bit is installed on the cutter head bottom of the cutter hub, and the drill bit corresponds to and is used to process institute State the aperture of workpiece to be processed;The knife bar includes the compound cutter hub of the compound cutter hub in front end and rear end, on the compound cutter hub in front end It is sequentially installed with workpiece to be processed first step hole described in boring, first boring cutter in second step hole, the second boring cutter;The rear end Compound cutter hub is by the 3rd boring of the 3rd stepped hole for processing the workpiece to be processed, the 4th stepped hole and the 5th stepped hole Knife, the 4th boring cutter and the 5th boring cutter are combined;The first step hole, second step hole, the 3rd stepped hole, the 4th stepped hole With the shoulder hole that the 5th stepped hole is coaxial different footpaths, first boring cutter, the second boring cutter, the 3rd boring cutter, the 4th boring cutter and the The stepped structure of five boring cutters is laid on the knife bar.
2. compound tool is bored in a kind of ladder boring as claimed in claim 1, it is characterised by
The first step hole of the workpiece to be processed is minimum aperture, is processed by the first boring cutter of the knife bar front end;Described The reverse side in first step hole is provided with second step hole, is processed by second boring cutter adjacent with first boring cutter;
The first step hole opposite side according to ascending aperture from inside to outside sequentially be provided with respectively by the 3rd boring cutter, 4th boring cutter and the 3rd stepped hole, the 4th stepped hole and the 5th stepped hole of the corresponding processing of the 5th boring cutter.
3. compound tool is bored in a kind of ladder boring as claimed in claim 2, it is characterised by
It is reserved with the knife bar and allows knife space, it is described to allow knife to be spatially located between second boring cutter and the 3rd boring cutter;It is described 5th stepped hole is chamfered bore.
4. compound tool is bored in a kind of ladder boring as claimed in claim 3, it is characterised by
The material that the cutter hub uses is Cr12MoV;The drill bit is using hard alloy non-standard component.
5. compound tool is bored in a kind of ladder boring as claimed in claim 4, it is characterised by
First boring cutter, the second boring cutter, the 3rd boring cutter, the 4th boring cutter and the 5th boring cutter are sequentially welded on the knife bar;Institute State drill bit and be bolted and be installed in the mounting hole that the cutter head bottom opens up.
6. compound tool is bored in a kind of ladder boring as claimed in claim 5, it is characterised by
First boring cutter, the second boring cutter, the 3rd boring cutter, the blade of the 4th boring cutter and the 5th boring cutter are PCD materials, whole cutter hub Need to do G=6.3mm/s, n=5000RPM dynamic balancing.
7. compound tool is bored in a kind of ladder boring as claimed in claim 6, it is characterised by
It is described to allow knife space to should be greater than second step hole bottom hole the distance between to the workpiece to be processed upper surface;Second boring cutter Axial distance should be greater than the depth in second step hole.
8. compound tool is bored in a kind of ladder boring as claimed in claim 7, it is characterised by
The diameter of axle of second boring cutter is less than the diameter of axle of the first boring cutter.
9. compound tool is bored in a kind of ladder boring as claimed in claim 8, it is characterised by
The axial distance of 4th boring cutter is identical with the depth of the 4th stepped hole, the workpiece to be processed upper surface to institute Distance is between stating the bottom hole of the 3rd stepped hole(L3), the workpiece to be processed upper surface is between the 4th stepped hole bottom hole Distance be(L4), the axial distance of the 3rd boring cutter is equal to(L3)-(L4);
The diameter of axle of first boring cutter is equal to the diameter in first step hole, and the diameter of axle of the 3rd boring cutter is equal to the 3rd stepped hole Diameter;The diameter of axle of 4th boring cutter is equal to the diameter of the 4th stepped hole.
CN201720094291.4U 2017-01-24 2017-01-24 Compound tool is bored in a kind of ladder boring Active CN206747653U (en)

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Application Number Priority Date Filing Date Title
CN201720094291.4U CN206747653U (en) 2017-01-24 2017-01-24 Compound tool is bored in a kind of ladder boring

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Application Number Priority Date Filing Date Title
CN201720094291.4U CN206747653U (en) 2017-01-24 2017-01-24 Compound tool is bored in a kind of ladder boring

Publications (1)

Publication Number Publication Date
CN206747653U true CN206747653U (en) 2017-12-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106694963A (en) * 2017-01-24 2017-05-24 威海伯特利萨克迪汽车安全系统有限公司 Stepped boring and drilling composite tool and boring and drilling machining technology thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106694963A (en) * 2017-01-24 2017-05-24 威海伯特利萨克迪汽车安全系统有限公司 Stepped boring and drilling composite tool and boring and drilling machining technology thereof
CN106694963B (en) * 2017-01-24 2019-05-10 威海伯特利萨克迪汽车安全系统有限公司 Compound tool is bored in a kind of ladder boring and its processing technology is bored in boring

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