CN105215469B - A kind of Combined hard broaching tool - Google Patents
A kind of Combined hard broaching tool Download PDFInfo
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- CN105215469B CN105215469B CN201510741612.0A CN201510741612A CN105215469B CN 105215469 B CN105215469 B CN 105215469B CN 201510741612 A CN201510741612 A CN 201510741612A CN 105215469 B CN105215469 B CN 105215469B
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- broaching tool
- blade
- tool body
- broaching
- blades
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Abstract
The invention belongs to field of machining, in particular to a kind of Combined hard broaching tool, including the first broaching tool portion, the second broaching tool portion, the 3rd broaching tool portion, wherein, the first broaching tool portion includes：Some the first blades being fixed on the upside of the first broaching tool body；The second broaching tool portion includes：Some the second blades for being fixed on the second broaching tool body left and right sides；The 3rd broaching tool portion includes：Some the 3rd blades being located on the 3rd broaching tool body.The present invention can process ductile iron workpiece, high temperature alloy workpiece, titanium alloy workpiece etc., can effectively reduce broaching tool abrasion, extend broaching tool service life, reduce production cost.
Description
Technical field
The invention belongs to field of machining, in particular to a kind of Combined hard 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.Traditional keyway broach only has cutting edge in one direction when broaching workpiece, from
And a direction of workpiece can only be cut every time, and blade can not be dismantled, when a certain breaks down, whole broaching tool
It is required for changing, makes the service life of broaching tool 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, its work can be effectively improved
The broaching tool of its service life can be extended again by making efficiency.
To achieve the above object, the technical scheme is that：
A kind of Combined hard broaching tool, including the first broaching tool portion, the second broaching tool portion, the 3rd broaching tool portion, wherein, it is described
First broaching tool portion includes：Some the first blades being fixed on the upside of the first broaching tool body；The second broaching tool portion includes：Some fixations
The second blade in the second broaching tool body left and right sides；The 3rd broaching tool portion includes：It is some be located on the 3rd broaching tool body the 3rd
Blade.
Preferably, first blade and/or the second blade are indexable broach insert, with multiple cutting edges, single
One of cutting edge is used when using every time, the 3rd blade is three face sword carbide chips.It is fixed on by some
The first blade on the upside of first broaching tool body carries out one side cutting to workpiece, passes through some second broaching tool body left and right sides that are fixed on
Second blade carries out two sides cutting to workpiece, and carrying out three faces to workpiece by some the 3rd blades being located on the 3rd broaching tool body cuts
Cut.First blade, the second blade, the blade direction of the 3rd blade cut sword and cutting direction out of plumb, can be efficiently reduced
Cutting force, overcomes working angles unstable, the problems such as part crudy is not high.
Preferably, some groups of the first blade bearings, some groups of first blades one are provided with the upside of the first broaching tool body
One is accordingly fixed on some groups of the first blade bearings, and the first adjacent blade misplaces each other, the overall position of the first blade
Difference forms the rise per tooth of the first broaching tool portion short transverse.
Preferably, the first blade bearing bottom is provided with the first bottom supporting surface, and first bottom supporting surface is provided with
First screw hole, to coordinate the first screw to fix the first blade.
Preferably, the second broaching tool body left and right sides is provided with some groups of the second blade bearings, some groups of second knives
Piece is fixed on some groups of the second blade bearings correspondingly, is had on the adjacent mutual position of second blade on width
Difference, is distributed in difference formation second broaching tool portion of the second blade of the second broaching tool body left and right sides each on overall width direction
The rise per tooth of width.
Preferably, the second blade bearing bottom is provided with the second bottom supporting surface, and second bottom supporting surface is set
There is the second screw hole, to coordinate the second screw to fix the second blade.
Preferably, the 3rd broaching tool body is provided with some insert grooves, in each insert groove provided with the 3rd blade and with
In the briquetting for compressing the 3rd blade, the 3rd adjacent blade has on stand out and difference in height, the 3rd broaching tool body each other
Some 3rd screws are additionally provided with, and are corresponded with briquetting position, play a part of fixing blade.
Preferably, the first broaching tool body, the second broaching tool body, the 3rd broaching tool body hold together, and are equipped with some
First mounting hole, for making the first broaching tool body, the second broaching tool body, the 3rd broaching tool body be installed on broaching machine knife rest.
Preferably, in addition to broaching tool body phase the locating piece connected, the locating piece is provided with some 4th screws, for even
Connect and the second some peaces are additionally provided with locating piece and the first broaching tool body, the second broaching tool body, the 3rd broaching tool body, the locating piece
Hole and the 3rd mounting hole are filled, for making locating piece be installed on broaching machine knife rest.
Compared with prior art, beneficial effects of the present invention are as follows：
1. reasonable in design of the present invention, blade is quick detachable, quick-replaceable can be carried out to the blade of damage.
2. the present invention is designed with three kinds of broaching tool portions, respectively comprising a face cutting edge, two sides cutting edge and three face cutting edges, energy
Multiaspect wire pulling method is carried out to workpiece simultaneously.
3. the blade direction for the blade cut sword that the present invention is designed and cutting direction out of plumb, can effectively reduce cutting
Power, protects blade, moreover it is possible to overcome working angles unstable, the problems such as part crudy is not high.
4. the present invention uses carbide chip, ductile iron workpiece, high temperature alloy workpiece, titanium alloy workpiece can be processed
Deng, can effectively reduce broaching tool abrasion, extend broaching tool service life, reduce production cost.
Brief description of the drawings
Fig. 1 is the structural representation of the Combined hard broaching tool of the embodiment of the present invention；
Fig. 2 is the left side view of Fig. 1 according to the embodiment of the present invention；
Fig. 3 is the structural representation of the first blade bearing of the embodiment of the present invention；
Fig. 4 is the left side structure schematic diagram of the second blade bearing of the embodiment of the present invention；
Fig. 5 is the right side structure schematic diagram of the second blade bearing of the embodiment of the present invention；
Fig. 6 is the upward view of Fig. 1 according to the embodiment of the present invention；
Fig. 7 is the top view of Fig. 1 according to the embodiment of the present invention；
Fig. 8 is the right view of Fig. 1 according to the embodiment of the present invention.
Wherein, the mounting holes of 1- first, the mounting holes of 2- first, the mounting holes of 3- first, 4- locating pieces, 11- the first broaching tool bodies,
The blades of 12- first, the blade bearings of 13- first, 21- the second broaching tool bodies, the blades of 22- second, the blade bearings of 23- second, the broaching tools of 31- the 3rd
Body, the blades of 32- the 3rd, 33- insert grooves, 34- briquettings, the screws of 35- the 3rd, the screws of 41- the 4th, the first bottoms of 131- supporting surface,
The screw holes of 132- first, the second bottoms of 231- supporting surface, the screw holes of 232- second.
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 Figures 1 to 8, Combined hard broaching tool according to embodiments of the present invention includes first be connected as a single entity
Broaching tool portion, the second broaching tool portion, the 3rd broaching tool portion, wherein, the first broaching tool portion includes：First broaching tool body 11,4 group of first blade 12；
The upside of first broaching tool body 11 is provided with 4 group of first blade bearing 13, and the bottom of the first blade bearing 13 is provided with the first bottom supporting surface
131, the first bottom supporting surface 131 is provided with the first screw hole 132, by coordinating the first screw to fix the first blade 12；First
Blade 12 makes blade direction broach direction at an angle with broaching tool, subtracted so as to play by being arranged on the first blade bearing 13
Few cutting force, protects the effect of blade；Angle between first blade 12 and broaching tool broaching direction can be according to actual production need
Be adjusted, and the inclination angle of the first blade of each group 12 can be different, in the present embodiment, adjacent the first blade 12 to two not
Same direction is tilted.Second broaching tool portion includes：Second broaching tool body 21,8 group of second blade 22, the right side of the second broaching tool body 21 are provided with
4 group of second blade bearing 23, left side is provided with 4 group of second blade bearing 23, and the second blade bearing 23 of the left and right sides is asymmetric to be interspersed,
The bottom of second blade bearing 23 is provided with the second bottom supporting surface 231, and the second bottom supporting surface 231 is provided with the second screw hole 232,
By coordinating the second screw to fix the second blade 22；Second blade 22 is arranged on the second blade bearing 23, makes blade direction and drawing
At an angle, so as to play reduction cutting force, protect the effect of blade in knife broaching direction；Second blade 22 and broaching tool broaching side
Angle between can be adjusted according to needs of production.First blade and/or the second blade are indexable broaching knife
Piece, with multiple cutting edges, uses one of cutting edge every time when being intended for single use, can after cutting edge is damaged or is worn and torn
Wire pulling method is carried out with remaining cutting edge successively using blade, after whole cutting edges are damaged or are worn and torn, more allowing blade replacement is needed；
3rd broaching tool portion includes：3rd broaching tool body 31,3 group of the 3rd blade 32, the 3rd blade 32 are three face sword carbide chips, the 3rd
Broaching tool body 31 provided with 3 insert grooves 33, in each insert groove 33 provided with the 3rd blade 32 and it is 32 adjacent with the 3rd blade,
Briquetting 34 for compressing the 3rd blade 32.The bottom of 3rd broaching tool body 31 is used to adjust 34 pair of the 3rd blade 32 of briquetting provided with 3 groups
3rd screw 35 of compaction degree.According to the design of the present embodiment, each blade of broaching tool can be dismantled individually, during normal wear, unclamp spiral shell
Nail is changeable blade, sometimes single blade accidental damage in use, it is only necessary to change the blade damaged, whole broaching tool
Can normally it use.
There is difference in height, the overall difference in height shape incremental backward of the first blade 12 between two adjacent the first blades 12
Into the rise per tooth of the first broaching tool portion short transverse, the overall difference in height incremental backward of the first blade 12 can be by the first blade 12
Difference in height formed, can also be formed, can also be combined to form by both by the difference in height of the first blade bearing 13, can be according to actual production
Need to be adjusted；There is the difference of width, the second blade 22 of the left and right sides is each between two adjacent the second blades 22
From overall width incremental backward difference the second broaching tool portion width of formation rise per tooth, the second blade 22 is each
It can be formed from the difference of overall width incremental backward by the thickness difference of the second blade, also can be by the second blade bearing 23
Alternate position spike formed, can also be combined to form, can be adjusted according to needs of production by both；The width of 3rd blade 32 to
It is incremented by afterwards so as to form the rise per tooth of the 3rd broaching tool portion width, the height of the 3rd blade 32 is incremented by form the 3rd backward
The rise per tooth of broaching tool portion short transverse, the height of the 3rd blade 32 can incrementally be formed by the difference in height of the 3rd blade 32 backward,
Also it can be formed, can also be combined to form by both by the difference in height of insert groove 33, can be adjusted according to needs of production.First
Broaching tool portion, the second broaching tool portion, the rise per tooth of the rise per tooth summation formation broaching tool entirety of the 3rd broaching tool Bu Ge branches, each broaching tool part
Not Bao Han a face cutting edge, two sides cutting edge and three face cutting edges, so as to simultaneously to workpiece carry out multiaspect wire pulling method.
First broaching tool body 11, the second broaching tool body 21, the 3rd broaching tool body 31 are integrated, using high duty alloy tool steel
Material, broaching tool body makes the first mounting hole 1 that broaching tool body is installed on broaching machine knife rest provided with 3.According to the compound of the present embodiment
Formula carbide broach also includes the locating piece 4 with broaching tool body phase even, and locating piece 4 is used to make locating piece 4 and first provided with 3
The 4th screw 41 that broaching tool body 11, the second broaching tool body 21, the 3rd broaching tool body 31 are connected and for making locating piece 4 be installed on drawing
4 the second mounting holes 2 and 3 the 3rd mounting holes 3 on bed knife rest, wherein the first mounting hole 1 is communicated with the 3rd mounting hole 3.According to
First blade 12, the second blade 22, the 3rd blade 32 of the present embodiment are fabricated by by hard alloy, high, hot hard with hardness
The features such as good, wearability of property is good.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (5)
1. a kind of Combined hard broaching tool, it is characterised in that including the first broaching tool portion, the second broaching tool portion, the 3rd broaching tool portion,
The locating piece (4) connected with broaching tool body phase, wherein, the first broaching tool portion includes：It is some to be fixed on the upside of the first broaching tool body (11)
The first blade (12)；The second broaching tool portion includes：Some the second blades for being fixed on second broaching tool body (21) left and right sides
(22)；The 3rd broaching tool portion includes：Some the 3rd blades (32) being located on the 3rd broaching tool body (31)；
Some groups of the first blade bearings (13), some groups of first blades (12) one are provided with the upside of the first broaching tool body (11)
One is accordingly fixed on some groups of the first blade bearings (13), and adjacent the first blade (12) is dislocatedly distributed each other；
Second broaching tool body (21) left and right sides is provided with some groups of the second blade bearings (23), some groups of second blades
(22) it is fixed on correspondingly on some groups of the second blade bearings (23), adjacent the second blade (22) is dislocatedly distributed each other；
The 3rd broaching tool body (31) is provided with some insert grooves (33), in each insert groove (33) provided with the 3rd blade (32) and
Briquetting (34) for compressing the 3rd blade (32), the 3rd adjacent blade (32) has stand out and difference in height each other；
3rd broaching tool body (31) bottom, which is provided with, to be used to adjust threeth screw (35) of the briquetting (34) to the 3rd blade (32) compaction degree,
And corresponded with briquetting (34) position；The locating piece (4) is provided with some 4th screws (41), for connecting locating piece
(4) with the first broaching tool body (11), the second broaching tool body (21), the 3rd broaching tool body (31)；First blade, the second blade, the 3rd
The blade direction of blade cut sword and cutting direction out of plumb.
2. Combined hard broaching tool according to claim 1, it is characterised in that first blade (12) and/or
Second blade (22) is indexable broach insert, and the 3rd blade (32) is three face sword carbide chips.
3. Combined hard broaching tool according to claim 1, it is characterised in that the first blade bearing (13) bottom
The first bottom supporting surface (131) is provided with, first bottom supporting surface (131) is provided with the first screw hole (132), by coordinating
First screw fixes the first blade (12).
4. Combined hard broaching tool according to claim 1, it is characterised in that the second blade bearing (23) bottom
Be provided with the second bottom supporting surface (231), second bottom supporting surface (231) is provided with the second screw hole (232), by with
Close the second screw and fix the second blade (22).
5. Combined hard broaching tool according to claim 1, it is characterised in that the first broaching tool body (11),
Two broaching tool bodies (21), the 3rd broaching tool body (31) are connected as one, and are equipped with some first mounting holes (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510741612.0A CN105215469B (en) | 2015-11-04 | 2015-11-04 | A kind of Combined hard broaching tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510741612.0A CN105215469B (en) | 2015-11-04 | 2015-11-04 | A kind of Combined hard broaching tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105215469A CN105215469A (en) | 2016-01-06 |
| CN105215469B true CN105215469B (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510741612.0A Active CN105215469B (en) | 2015-11-04 | 2015-11-04 | A kind of Combined hard broaching tool |
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| Country | Link |
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| CN (1) | CN105215469B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105598529B (en) * | 2016-02-02 | 2018-03-23 | 广东美芝制冷设备有限公司 | Built-up broach for compresser cylinder broaching |
| CN107649736B (en) * | 2017-08-24 | 2019-04-12 | 中南大学 | For processing the multistation straight-tooth broaching tool and its processing method of turbine disc mortise |
| 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 |
| 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5242251A (en) * | 1992-02-07 | 1993-09-07 | Cutting Tool Technologies, Inc. | Broach and process of manufacturing a broach |
| CN101861223A (en) * | 2007-11-14 | 2010-10-13 | 山高刀具公司 | Cutting tool and insert for cutting tool |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6558086B1 (en) * | 2000-07-14 | 2003-05-06 | Kennametal Inc. | Broach for use in performing machining operations |
| JP2004330307A (en) * | 2003-04-30 | 2004-11-25 | Nachi Fujikoshi Corp | Builtup internal broach |
| CN201115887Y (en) * | 2007-11-22 | 2008-09-17 | 上海柴油机股份有限公司 | Tooth form combined broach clamping device |
| CN102211224A (en) * | 2011-04-25 | 2011-10-12 | 嘉善贯德精密锻造有限公司 | Processing device and processing method for slide block of linear slide rail |
| CN202684199U (en) * | 2012-05-22 | 2013-01-23 | 扬州市邮谊工具制造有限公司 | Three-face-blade broach |
| CN205096623U (en) * | 2015-11-04 | 2016-03-23 | 恒锋工具股份有限公司 | Combined type carbide broach |
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2015
- 2015-11-04 CN CN201510741612.0A patent/CN105215469B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5242251A (en) * | 1992-02-07 | 1993-09-07 | Cutting Tool Technologies, Inc. | Broach and process of manufacturing a broach |
| CN101861223A (en) * | 2007-11-14 | 2010-10-13 | 山高刀具公司 | Cutting tool and insert for cutting tool |
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| Publication number | Publication date |
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| CN105215469A (en) | 2016-01-06 |
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