CN105215469A - A kind of Combined hard broaching tool - Google Patents
A kind of Combined hard broaching tool Download PDFInfo
- Publication number
- CN105215469A CN105215469A CN201510741612.0A CN201510741612A CN105215469A CN 105215469 A CN105215469 A CN 105215469A CN 201510741612 A CN201510741612 A CN 201510741612A CN 105215469 A CN105215469 A CN 105215469A
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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, comprise the first broaching tool portion, the second broaching tool portion, the 3rd broaching tool portion, wherein, described first broaching tool portion comprises: some the first blades be fixed on the upside of the first broaching tool body; Described second broaching tool portion comprises: some the second blades being fixed on the second broaching tool body left and right sides; Described 3rd broaching tool portion comprises: some the 3rd blades be located on the 3rd broaching tool body.The present invention can process ductile iron workpiece, high temperature alloy workpiece, titanium alloy workpiece etc., effectively can reduce broaching tool wearing and tearing, 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
At modern mechanical manufacture field, broaching tool is mainly used in processing circular hole, splined hole, keyway, plane and profiled surface etc.When broaching motion done by broaching tool, each cutter tooth just cuts certain thickness metal from workpiece, finally obtains required size and dimension.Tool surface is provided with cutter tooth, and the size and dimension of cutter tooth increases successively and change from incision end to cutting out end, for difform workpiece of broaching.The difference at finished surface position pressed by broaching tool, is divided into inside broach and broach for external bracing; By the difference of force way during work, be divided into broaching tool and push broach.Traditional keyway broach only has cutting edge in one direction when broaching workpiece, thus can only cut a direction of workpiece, and blade can not be dismantled, when a certain breaks down at every turn, whole broaching tool all needs to change, and makes the service life of broaching tool very short.
Summary of the invention
For solving the problem, the object of the present invention is to provide a kind of reasonable in design, effectively can improve the broaching tool that its operating efficiency can extend its service life again.
For achieving the above object, technical scheme of the present invention is:
A kind of Combined hard broaching tool, comprise the first broaching tool portion, the second broaching tool portion, the 3rd broaching tool portion, wherein, described first broaching tool portion comprises: some the first blades be fixed on the upside of the first broaching tool body; Described second broaching tool portion comprises: some the second blades being fixed on the second broaching tool body left and right sides; Described 3rd broaching tool portion comprises: some the 3rd blades be located on the 3rd broaching tool body.
Preferably, described first blade and/or the second blade are indexable broach insert, have multiple cutting edge, and use one of them cutting edge when single uses, described 3rd blade is three sword carbide chips at every turn.Carry out one side by some the first blades be fixed on the upside of the first broaching tool body to workpiece to cut, by some the second blades being fixed on the second broaching tool body left and right sides, two sides cutting is carried out to workpiece, by some the 3rd blades be located on the 3rd broaching tool body, three cuttings are carried out to workpiece.The blade direction of the first blade, the second blade, the 3rd blade cut sword and cutting direction out of plumb, effectively can reduce cutting force, overcome working angles instability, the problems such as part crudy is not high.
Preferably, some groups of the first blade bearings are provided with on the upside of described first broaching tool body, described some groups of the first blades are fixed on some groups of the first blade bearings correspondingly, and the first adjacent blade misplaces each other, and the alternate position spike of the first blade entirety forms the rise per tooth of the first broaching tool portion short transverse.
Preferably, be provided with the first bottom support face bottom described first blade bearing, described first bottom support face is provided with the first screw hole, fixes the first blade in order to coordinate the first screw.
Preferably, the described second broaching tool body left and right sides is provided with some groups of the second blade bearings, described some groups of the second blades are fixed on some groups of the second blade bearings correspondingly, the adjacent second mutual position of blade has the difference on width, the difference of the second blade being distributed in the second broaching tool body left and right sides separately on overall width direction forms the rise per tooth of the second broaching tool portion width.
Preferably, be provided with the second bottom support face bottom described second blade bearing, described second bottom support face is provided with the second screw hole, fixes the second blade in order to coordinate the second screw.
Preferably, described 3rd broaching tool body is provided with some insert grooves, be provided with in each insert groove the 3rd blade and with the briquetting for compressing the 3rd blade, the 3rd adjacent blade has stand out and difference in height each other, described 3rd broaching tool body is also provided with some 3rd screws, and with briquetting position one_to_one corresponding, play the effect of fixing blade.
Preferably, described first broaching tool body, the second broaching tool body, the 3rd broaching tool body hold together, and are equipped with some first installing holes, are installed on broaching machine knife rest for making the first broaching tool body, the second broaching tool body, the 3rd broaching tool body.
Preferably, also comprise the locating piece be connected with broaching tool body, described locating piece is provided with some 4th screws, for connecting locating piece and described first broaching tool body, the second broaching tool body, the 3rd broaching tool body, described locating piece being also provided with the second some installing holes and the 3rd installing hole, being installed on broaching machine knife rest for making locating piece.
Compared with prior art, beneficial effect of the present invention is as follows:
1. reasonable in design of the present invention, blade is quick detachable, can carry out quick-replaceable to the blade damaged.
2. the present invention is designed with three kinds of broaching tool portions, comprises a cutting edge, two sides cutting edge and three cutting edges respectively, can carry out multiaspect wire pulling method to workpiece simultaneously.
3. blade direction and the cutting direction out of plumb of the blade cut sword of the present invention's design, effectively can reduce cutting force, protects blade, can also overcome working angles instability, the problems such as part crudy is not high.
4. the present invention adopts carbide chip, can process ductile iron workpiece, high temperature alloy workpiece, titanium alloy workpiece etc., effectively can reduce broaching tool wearing and tearing, extend broaching tool service life, reduce production cost.
Accompanying drawing explanation
Fig. 1 be the Combined hard broaching tool of the embodiment of the present invention structural representation;
Fig. 2 is the left side view of the 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 the Fig. 1 according to the embodiment of the present invention;
Fig. 7 is the top view of the Fig. 1 according to the embodiment of the present invention;
Fig. 8 is the right view of the Fig. 1 according to the embodiment of the present invention.
Wherein, 1-first installing hole, 2-first installing hole, 3-first installing hole, 4-locating piece, 11-first broaching tool body, 12-first blade, 13-first blade bearing, 21-second broaching tool body, 22-second blade, 23-second blade bearing, 31-the 3rd broaching tool body, 32-the 3rd blade, 33-insert groove, 34-briquetting, 35-the 3rd screw, 41-the 4th screw, 131-first bottom support face, 132-first screw hole, 231-second bottom support face, 232-second screw hole.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
On the contrary, the present invention is contained any by the substituting of making on marrow of the present invention and scope of defining of claim, amendment, equivalent method and scheme.Further, in order to make the public have a better understanding to the present invention, in hereafter details of the present invention being described, detailedly describe some specific detail sections.Do not have the description of these detail sections can understand the present invention completely for a person skilled in the art yet.
As shown in Figures 1 to 8, according to the Combined hard broaching tool of the embodiment of the present invention comprise be connected as a single entity the first broaching tool portion, the second broaching tool portion, the 3rd broaching tool portion, wherein, the first broaching tool portion comprises: the first broaching tool body 11,4 group first blade 12; Being provided with on the upside of first broaching tool body 11 and being provided with the first bottom support face 131, bottom support face 131, first bottom 4 group of first blade bearing 13, first blade bearing 13 and being provided with the first screw hole 132, fixing the first blade 12 by coordinating the first screw; First blade 12, by being arranged on the first blade bearing 13, making blade direction and broaching tool broach direction at an angle, thus plays minimizing cutting force, the effect of protection blade; The angle that first blade 12 and broaching tool are broached between direction can adjust according to needs of production, and the inclination angle of each group the first blade 12 can be different, and in the present embodiment, the first adjacent blade 12 tilts to two different directions.Second broaching tool portion comprises: the second broaching tool body 21,8 group second blade 22,4 group of second blade bearing 23 is provided with on the right side of second broaching tool body 21, left side is provided with 4 group of second blade bearing 23, second blade bearing 23 of the left and right sides is asymmetric to be interspersed, the second bottom support face 231 is provided with bottom second blade bearing 23, second bottom support face 231 is provided with the second screw hole 232, fixes the second blade 22 by coordinating the second screw; Second blade 22 is arranged on the second blade bearing 23, makes blade direction and broaching tool broach direction at an angle, thus plays minimizing cutting force, the effect of protection blade; The angle that second blade 22 and broaching tool are broached between direction can adjust according to needs of production.First blade and/or the second blade are indexable broach insert, there is multiple cutting edge, single uses one of them cutting edge when using at every turn, after cutting edge damages or weares and teares, available all the other cutting edges of blade that use successively carry out wire pulling method, damage when whole cutting edge or after wearing and tearing, need more allowing blade replacement; 3rd broaching tool portion comprises: the 3rd broaching tool body 31,3 group the 3rd blade 32,3rd blade 32 is three sword carbide chips, 3rd broaching tool body 31 is provided with 3 insert grooves 33, be provided with in each insert groove 33 the 3rd blade 32 and adjacent with the 3rd blade 32, for compressing the briquetting 34 of the 3rd blade 32.3 groups are provided with for adjusting three screw 35 of briquetting 34 to the 3rd blade 32 compaction degree bottom 3rd broaching tool body 31.According to the design of the present embodiment, each blade of broaching tool can be dismantled separately, during normal wear, unclamps screw and changeable blade, sometimes in use single blade accidental damage, only needs to change the blade damaged, and whole broaching tool can normally be used.
Between two adjacent the first blades 12, there is difference in height, the difference in height increased progressively backward of the first blade 12 entirety forms the rise per tooth of the first broaching tool portion short transverse, the difference in height increased progressively backward of the first blade 12 entirety can be formed by the difference in height of the first blade 12, also can be formed by the difference in height of the first blade bearing 13, also by both in conjunction with being formed, can adjust according to needs of production; There is between two adjacent the second blades 22 difference of width, the difference of the width increased progressively backward of the entirety that the second blade 22 of the left and right sides is respective forms the rise per tooth of the second broaching tool portion width, the difference of the width increased progressively backward that the second blade 22 is overall separately can be formed by the thickness difference of the second blade, also can be formed by the alternate position spike of the second blade bearing 23, also by both in conjunction with being formed, can adjust according to needs of production; The width of the 3rd blade 32 increases progressively backward thus forms the rise per tooth of the 3rd broaching tool portion width, the height of the 3rd blade 32 increases progressively backward thus forms the rise per tooth of the 3rd broaching tool portion short transverse, the height of the 3rd blade 32 increases progressively backward and can be formed by the difference in height of the 3rd blade 32, also can be formed by the difference in height of insert groove 33, also by both in conjunction with being formed, can adjust according to needs of production.The rise per tooth summation of the first broaching tool portion, the second broaching tool portion, the 3rd broaching tool Bu Ge branch forms the rise per tooth of broaching tool entirety, and each broaching tool portion comprises a cutting edge, two sides cutting edge and three cutting edges respectively, thus can carry out multiaspect wire pulling method to workpiece simultaneously.
First broaching tool body 11, second broaching tool body 21, the 3rd broaching tool body 31 are integrated, and adopt high duty alloy tool steel material, and broaching tool body is provided with 3 makes broaching tool body be installed on the first installing hole 1 on broaching machine knife rest.The locating piece 4 be connected with broaching tool body is also comprised according to the Combined hard broaching tool of the present embodiment, locating piece 4 is provided with 3 for the 4th screw 41 that makes locating piece 4 be connected with the first broaching tool body 11, second broaching tool body 21, the 3rd broaching tool body 31 and for making locating piece 4 be installed on 4 the second installing holes, 2 and 3 the 3rd installing holes 3 on broaching machine knife rest, and wherein the first installing hole 1 communicates with the 3rd installing hole 3.Formed by carbide alloy manufacture according to first blade 12, second blade 22 of the present embodiment, the 3rd blade 32, there is the features such as hardness is high, thermohardening good, wearability is good.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a Combined hard broaching tool, it is characterized in that, comprise the first broaching tool portion, the second broaching tool portion, the 3rd broaching tool portion, wherein, described first broaching tool portion comprises: some the first blades (12) being fixed on the first broaching tool body (11) upside; Described second broaching tool portion comprises: some the second blades (22) being fixed on second broaching tool body (21) left and right sides; Described 3rd broaching tool portion comprises: some the 3rd blades (32) be located on the 3rd broaching tool body (31).
2. Combined hard broaching tool according to claim 1, it is characterized in that, described first blade (12) and/or the second blade (22) are indexable broach insert, and described 3rd blade (32) is three sword carbide chips.
3. Combined hard broaching tool according to claim 1, it is characterized in that, described first broaching tool body (11) upside is provided with some groups of the first blade bearings (13), described some groups of the first blades (12) are fixed on some groups of the first blade bearings (13) correspondingly, and adjacent the first blade (12) is dislocatedly distributed each other.
4. Combined hard broaching tool according to claim 3, it is characterized in that, described first blade bearing (13) bottom is provided with the first bottom support face (131), described first bottom support face (131) is provided with the first screw hole (132), fixes the first blade (12) by coordinating the first screw.
5. Combined hard broaching tool according to claim 1, it is characterized in that, described second broaching tool body (21) left and right sides is provided with some groups of the second blade bearings (23), described some groups of the second blades (22) are fixed on some groups of the second blade bearings (23) correspondingly, and adjacent the second blade (22) is dislocatedly distributed each other.
6. Combined hard broaching tool according to claim 5, it is characterized in that, described second blade bearing (23) bottom is provided with the second bottom support face (231), described second bottom support face (231) is provided with the second screw hole (232), fixes the second blade (22) by coordinating the second screw.
7. Combined hard broaching tool according to claim 1, it is characterized in that, described 3rd broaching tool body (31) is provided with some insert grooves (33), be provided with in each insert groove (33) the 3rd blade (32) and with the briquetting (34) for compressing the 3rd blade (32), the 3rd adjacent blade (32) has stand out and difference in height each other; Described 3rd broaching tool body (31) is also provided with some 3rd screws (35), and with briquetting (34) position one_to_one corresponding.
8. Combined hard broaching tool according to claim 1, it is characterized in that, described first broaching tool body (11), the second broaching tool body (21), the 3rd broaching tool body (31) connect as one, and are equipped with some first installing holes (1).
9. Combined hard broaching tool according to claim 1, it is characterized in that, also comprise the locating piece (4) be connected with broaching tool body, described locating piece (4) is provided with some 4th screws (41), for connecting locating piece (4) and described first broaching tool body (11), the second broaching tool body (21), the 3rd broaching tool body (31), described locating piece (4) is also provided with some the second installing holes (2) and the 3rd installing hole (3).
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 true CN105215469A (en) | 2016-01-06 |
| CN105215469B CN105215469B (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510741612.0A Active CN105215469B (en) | 2015-11-04 | 2015-11-04 | A kind of Combined hard broaching tool |
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| CN (1) | CN105215469B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105598529A (en) * | 2016-02-02 | 2016-05-25 | 广东美芝制冷设备有限公司 | Combined broach for broaching compressor cylinder |
| CN107649736A (en) * | 2017-08-24 | 2018-02-02 | 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 |
| CN113714557A (en) * | 2021-09-15 | 2021-11-30 | 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 |
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| US5242251A (en) * | 1992-02-07 | 1993-09-07 | Cutting Tool Technologies, Inc. | Broach and process of manufacturing a broach |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105598529A (en) * | 2016-02-02 | 2016-05-25 | 广东美芝制冷设备有限公司 | Combined broach for broaching compressor cylinder |
| CN107649736A (en) * | 2017-08-24 | 2018-02-02 | 中南大学 | For processing the multistation straight-tooth broaching tool and its processing method of turbine disc mortise |
| 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 |
| CN113714557A (en) * | 2021-09-15 | 2021-11-30 | 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 |
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|---|---|
| CN105215469B (en) | 2017-10-13 |
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