CN105195816B - A kind of indexable broaching tool - Google Patents
A kind of indexable broaching tool Download PDFInfo
- Publication number
- CN105195816B CN105195816B CN201510742619.4A CN201510742619A CN105195816B CN 105195816 B CN105195816 B CN 105195816B CN 201510742619 A CN201510742619 A CN 201510742619A CN 105195816 B CN105195816 B CN 105195816B
- Authority
- CN
- China
- Prior art keywords
- cutting edge
- blade
- broaching tool
- supporting surface
- blade bearing
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D43/00—Broaching tools
- B23D43/02—Broaching tools for cutting by rectilinear movement
- B23D43/04—Broaching tools for cutting by rectilinear movement having inserted cutting edges
Abstract
The invention belongs to cutting-tool engineering field, more particularly to a kind of indexable broaching tool, including cutter hub, some groups of the first cutting edges, some groups of the second cutting edges, the cutter hub end face is provided with some groups of the first blade bearings, the second blade bearing, and first blade bearing is staggered with second blade bearing, first cutting edge is fixed on first blade bearing, and second cutting edge is fixed on second blade bearing.The quantity of the first cutting edge and the second cutting edge is installed in the length for the workpiece processed as needed and required precision selection, improves processing efficiency.The present invention can effectively reduce the abrasion of blade, increase the service life of broaching tool, reduce production cost.
Description
Technical field
The invention belongs to cutting-tool engineering field, it is related to a kind of indexable broaching tool.
Background technology
In modern mechanical manufacture field, broaching tool is mainly used in processing circular hole, splined hole, keyway, plane and profiled surface etc..
When broaching tool makees broaching motion, each cutter tooth just cuts certain thickness metal from workpiece, finally gives required size
And shape.Cutter tooth is provided with tool surface, the size and dimension of cutter tooth increases and change, used successively from incision end to end is cut out
In workpiece of different shapes of broaching.Broaching tool presses the difference at finished surface position, is divided into inside broach and broach for external bracing；By stress during work
The difference of mode, is divided into broaching tool and push broach.Common broaching tool, the chip produced of broaching can edge under the thrust of follow-up chip
Chip pocket and press to gap of the broaching tool sideways between part side, so both increased broaching resistance, and chip is easily scratched again
Machined surface, so as to cause machining accuracy relatively low, it is impossible to meet the requirement of high accuracy processing；Broaching tool is in cutting, due to knife
Sword direction is vertical with cutting direction, therefore cutting force is very big, and working angles are unstable, and part crudy is not high, and cutter
It is easily damaged；When processing difficult-to-machine material, such as ductile iron workpiece, high temperature alloy workpiece, titanium alloy workpiece, height is used
The broaching tool of fast Steel material or Powder High-speed Steels manufacture, broaching tool is easy to abrasion, and broaching tool service life is very short.
The content of the invention
To solve the above problems, it is an object of the invention to provide a kind of reasonable in design, can effectively reduce scrap briquetting
Product, reduces the broaching tool of tool wear.
To achieve the above object, the technical scheme is that：
A kind of indexable broaching tool, including cutter hub, some groups of the first cutting edges, some groups of the second cutting edges, the cutter hub one
End face is provided with some groups of the first blade bearings and some groups of the second blade bearings, and first blade bearing and second blade
Seat is staggered, and first cutting edge is fixed on first blade bearing, and second cutting edge is fixed on described second
On blade bearing.The number of the first cutting edge and the second cutting edge is installed in the Workpiece length processed as needed and required precision selection
Amount, improves processing efficiency.
Further, the first blade bearing end is provided with the first chip pocket, and the second blade bearing end is provided with
Second chip pocket.First chip pocket and second chip pocket one end are both provided with opening, and chip can directly be discharged from chip pocket, cut
Bits will not be accumulated, and can be prevented effectively from chip and scratch machined surface, improve machining accuracy.
Further, the first blade bearing bottom is provided with the first bottom supporting surface, first bottom supporting surface one
End face is provided with the first side supporting surface, the first rear support face.
Further, first side supporting surface is provided with the first protector with the first rear support face intersection, uses
To protect point of a knife.
Further, the second blade bearing bottom is provided with the second bottom supporting surface, second bottom supporting surface one
End face is provided with the second side supporting surface, the second rear support face.
Further, second side supporting surface is provided with the second protector with the second rear support face intersection, uses
To protect point of a knife.
Further, the first screw hole is provided with the supporting surface of first bottom, to coordinate the first screw to fix
One cutting edge；The second screw hole is provided with the supporting surface of second bottom, to coordinate the second screw to fix the second cutting edge.
First cutting edge is fixed on the first blade bearing by the first screw；Second cutting edge is fixed on the second blade by the second screw
On seat, be connected by screw can flexibly dismantle, more allowing blade replacement.
Further, first cutting edge constitutes the first cutting edge inclination, second cutting edge with cutter hub end line
The second cutting edge inclination is constituted with cutter hub end line, the first cutting edge inclination and the second cutting edge inclination staggered relative are distributed.First cutting edge
It is staggered with the second cutting edge, adjacent two blade heights difference forms the rise per tooth of broaching tool.Blade direction and cutting direction
Out of plumb, can effectively reduce cutting force, overcome working angles unstable, the problems such as part crudy is not high.Two kinds are cut
Blade is staggered, and forms rise per tooth, and quick broaching is realized from face, and blade is not easy to wear.
Further, the first cutting edge and the second cutting edge are fabricated by by hard alloy, and blade stiffness is larger, Neng Goujia
Some difficult-to-machine metal workpiece of work, for example, ductile iron workpiece, high temperature alloy workpiece, titanium alloy workpiece etc..
Compared with prior art, beneficial effects of the present invention are as follows：
, can be to the Rapid blade replacement of damage 1. reasonable in design of the present invention, quick detachable.
2. blade direction of the present invention and cutting direction out of plumb, can effectively reduce cutting force, overcome working angles not
It is stable, the problems such as part crudy is not high.
3. chip pocket one end of the present invention is provided with opening, chip can be discharged directly from chip pocket, and chip will not accumulate, energy
It is prevented effectively from chip and scratches machined surface, improves machining accuracy.
4 present invention use hard alloy, can process ductile iron workpiece, high temperature alloy workpiece, titanium alloy workpiece etc., have
Effect reduces broaching tool abrasion, extends broaching tool service life, reduces production cost.
Brief description of the drawings
Fig. 1 is the structural representation of the indexable broaching tool of the embodiment of the present invention；
Fig. 2 is the first blade bearing schematic diagram of the embodiment of the present invention；
Fig. 3 is the second blade bearing schematic diagram of the embodiment of the present invention；
Fig. 4 is the partial front elevation view of the indexable broaching tool of the embodiment of the present invention；
Fig. 5 is the partial top view of the indexable broaching tool of the embodiment of the present invention.
Wherein, 1- cutter hubs, 2- ends line, 3- cutter groove stationary planes, 4- cutter hub stationary planes, the chip pockets of 201- first, 301-
One cutting edge, the screws of 401- first, the chip pockets of 202- second, the cutting edges of 302- second, the screws of 402- second, the blades of 51- first
Seat, the blade bearings of 52- second, the first bottoms of 511- supporting surface, the side supporting surfaces of 512- first, the screw holes of 513- first, 514- first
Protector, the first rear supports of 515- face, the second bottoms of 521- supporting surface, the side supporting surfaces of 522- second, the screw holes of 523- second,
The protectors of 524- second, the second rear supports of 525- face, 8- sides mounting hole, 9- top surface mounting holes.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
On the contrary, the present invention covers any replacement done in the spirit and scope of the present invention being defined by the claims, repaiied
Change, equivalent method and scheme.Further, in order that the public has a better understanding to the present invention, below to the thin of the present invention
It is detailed to describe some specific detail sections in section description.Part without these details for a person skilled in the art
Description can also understand the present invention completely.
As shown in figure 1, a kind of indexable broaching tool of the embodiment of the present invention, including cutter hub 1, some groups of the first cutting edges 301,
Some groups of the second cutting edges 302.The end face of cutter hub 1 is provided with some groups of the first blade bearings 51 and some groups of the second blade bearings 52,
And the first blade bearing 51, the second blade bearing 52 are staggered.First cutting edge 301 is fixed on first by the first screw 401
On blade bearing 51, the second cutting edge 302 is fixed on the second blade bearing 52 by the second screw 402.The end of first blade bearing 51
The first chip pocket 201 is provided with, the end of the second blade bearing 52, which is provided with the second chip pocket 202, cutter hub 1, is additionally provided with side peace
Fill hole 8, top surface mounting hole 9.
It is preferred that, the end face of cutter hub 1 is set to stage face, and cutter groove stationary plane 3 has a difference in height with cutter hub stationary plane 4, this
Broaching bits accumulation can effectively be prevented by planting design, the quality of machined surface be influenceed, simultaneously because cutter groove stationary plane 3 is than cutter hub stationary plane
4 is high, and cutter hub stationary plane 4 is provided with top surface mounting hole 9, when being bolted cutter hub 1, can effectively prevent prominent bolt shadow
Ring the processing of workpiece.
It is preferred that, the difference in height of cutter groove stationary plane 3 and cutter hub stationary plane 4 be not it is changeless, can be according to workpiece
Broaching amount, sets rational difference in height change, can so effectively improve processing efficiency, save man-hour.
As shown in Fig. 2 the bottom of the first blade bearing 51 of the embodiment of the present invention is provided with the first bottom supporting surface 511, first
The end face of bottom supporting surface 511 is provided with the first side supporting surface 512, the first rear support face 515.First side supporting surface 512 and
The intersection of one rear support face 515 is provided with the first protector 514, to protect point of a knife.The center of first bottom supporting surface 511
The first screw hole 513 is provided with, to coordinate the first screw 401 to fix the first cutting edge 301.
As shown in figure 3, the bottom of the second blade bearing 52 of the embodiment of the present invention is provided with the second bottom supporting surface 521, second
The end face of bottom supporting surface 521 is provided with the second side supporting surface 522, the second rear support face 525.Second side supporting surface 522 and
The intersection of two rear support face 525 is provided with the second protector 524, to protect point of a knife.The center of second bottom supporting surface 521
The second screw hole 523 is provided with, to coordinate the second screw 402 to fix the second cutting edge 302.
As shown in Figure 4,5, the end line 2 of the first cutting edge 301 and cutter hub 1 of the embodiment of the present invention constitutes the first cutting edge inclination
A1, the end line 1 of the second cutting edge 302 and cutter hub 1 constitutes the second cutting edge inclination A2, the first cutting edge inclination A1 and the second cutting edge inclination A2 phases
To being interspersed.First cutting edge 301 is staggered with the second cutting edge 302, has difference in height between two adjacent blades, whole
The blade height difference of body forms the rise per tooth (AH) of broaching tool.The making material of first cutting edge 301 and the second cutting edge 302 is hard
Matter alloy.
The upper only presently preferred embodiments of the present invention, is not intended to limit the invention, all spirit in the present invention
With any modifications, equivalent substitutions and improvements made within principle etc., it should be included in the scope of the protection.
Claims (7)
1. a kind of indexable broaching tool, it is characterised in that including cutter hub (1), some groups of the first cutting edges (301), some groups second
Cutting edge (302), cutter hub (1) end face is provided with some groups of the first blade bearings (51) and some groups of the second blade bearings
(52), and first blade bearing (51) is staggered with second blade bearing (52), first cutting edge (301) is solid
It is scheduled on first blade bearing (51), second cutting edge (302) is fixed on second blade bearing (52)；
First blade bearing (51) end is provided with the first chip pocket (201), and the second blade bearing (52) end is provided with
Second chip pocket (202), the first chip pocket and second chip pocket one end set opening respectively；
First cutting edge (301) and the end line (2) of the cutter hub (1) constitute the first cutting edge inclination (A1), and described second cuts
The end line (2) of blade (302) and the cutter hub (1) constitutes the second cutting edge inclination (A2), and the first cutting edge inclination (A1) inclines with the second sword
Angle (A2) staggered relative is distributed；
First cutting edge (301) is staggered with the second cutting edge (302), has difference in height between two adjacent blades, overall
Blade height difference formed broaching tool rise per tooth (AH).
2. indexable broaching tool according to claim 1, it is characterised in that the first blade bearing (51) bottom is provided with
One bottom supporting surface (511), first bottom supporting surface (511) end face is provided with the first side supporting surface (512) and first
Rear support face (515).
3. indexable broaching tool according to claim 2, it is characterised in that first side supporting surface (512) and described the
One rear support face (515) intersection is provided with to protect the first protector (514) of point of a knife.
4. indexable broaching tool according to claim 1, it is characterised in that the second blade bearing (52) bottom is provided with
Two bottom supporting surfaces (521), second bottom supporting surface (521) end face is provided with after the second side supporting surface (522), second
Supporting surface (525).
5. indexable broaching tool according to claim 4, it is characterised in that second side supporting surface (522) and described the
Two rear support face (525) intersections are provided with to protect the second protector (524) of point of a knife.
6. the indexable broaching tool according to claim 2 or 4, it is characterised in that set on first bottom supporting surface (511)
The first screw hole (513) is equipped with, to coordinate the first screw (401) to fix the first cutting edge (301)；The second bottom support
The second screw hole (523) is provided with face (521), to coordinate the second screw (402) to fix the second cutting edge (302).
7. indexable broaching tool according to claim 1, it is characterised in that the first cutting edge (301) and the second cutting edge
(302) it is fabricated by by hard alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510742619.4A CN105195816B (en) | 2015-11-04 | 2015-11-04 | A kind of indexable broaching tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510742619.4A CN105195816B (en) | 2015-11-04 | 2015-11-04 | A kind of indexable broaching tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105195816A CN105195816A (en) | 2015-12-30 |
| CN105195816B true CN105195816B (en) | 2017-10-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510742619.4A Active CN105195816B (en) | 2015-11-04 | 2015-11-04 | A kind of indexable broaching tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105195816B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848705A (en) * | 2017-11-30 | 2019-06-07 | 惠州市博正兴实业有限公司 | A kind of friction welding (FW) lathe and its application method |
| CN110977019A (en) * | 2019-12-20 | 2020-04-10 | 东方电气集团东方汽轮机有限公司 | Indexable hard alloy broach for rough broaching of wheel disc groove of gas turbine |
| CN112496443A (en) * | 2020-11-19 | 2021-03-16 | 中国航发沈阳黎明航空发动机有限责任公司 | Alloy machine clamp combined broach and manufacturing method thereof |
| CN113714557B (en) * | 2021-09-15 | 2023-03-24 | 中国航发沈阳黎明航空发动机有限责任公司 | Quick-change alloy blade broach and manufacturing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8629191U1 (en) * | 1986-11-03 | 1987-01-02 | Ingersoll, Maschinen Und Werkzeuge, Gmbh, 5909 Burbach, De | |
| US5242251A (en) * | 1992-02-07 | 1993-09-07 | Cutting Tool Technologies, Inc. | Broach and process of manufacturing a broach |
| CN1450946A (en) * | 2000-07-14 | 2003-10-22 | 钴碳化钨硬质合金公司 | Broach for use in performing machining operation |
| CN103157852A (en) * | 2011-12-14 | 2013-06-19 | 鸿富锦精密工业（深圳）有限公司 | Push-type broach |
| CN103817374A (en) * | 2014-02-26 | 2014-05-28 | 大连理工大学 | Cutter for perforating resin-base carbon fiber composite |
| CN205166032U (en) * | 2015-11-04 | 2016-04-20 | 恒锋工具股份有限公司 | But transposition broach |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0235620U (en) * | 1988-08-26 | 1990-03-07 |
-
2015
- 2015-11-04 CN CN201510742619.4A patent/CN105195816B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8629191U1 (en) * | 1986-11-03 | 1987-01-02 | Ingersoll, Maschinen Und Werkzeuge, Gmbh, 5909 Burbach, De | |
| US5242251A (en) * | 1992-02-07 | 1993-09-07 | Cutting Tool Technologies, Inc. | Broach and process of manufacturing a broach |
| CN1450946A (en) * | 2000-07-14 | 2003-10-22 | 钴碳化钨硬质合金公司 | Broach for use in performing machining operation |
| CN103157852A (en) * | 2011-12-14 | 2013-06-19 | 鸿富锦精密工业（深圳）有限公司 | Push-type broach |
| CN103817374A (en) * | 2014-02-26 | 2014-05-28 | 大连理工大学 | Cutter for perforating resin-base carbon fiber composite |
| CN205166032U (en) * | 2015-11-04 | 2016-04-20 | 恒锋工具股份有限公司 | But transposition broach |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105195816A (en) | 2015-12-30 |
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