CN107363331A - Tongue-and-groove broaching tool - Google Patents
Tongue-and-groove broaching tool Download PDFInfo
- Publication number
- CN107363331A CN107363331A CN201710822851.8A CN201710822851A CN107363331A CN 107363331 A CN107363331 A CN 107363331A CN 201710822851 A CN201710822851 A CN 201710822851A CN 107363331 A CN107363331 A CN 107363331A
- Authority
- CN
- China
- Prior art keywords
- broaching tool
- cutter tooth
- tongue
- tooth
- finish draw
- 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.)
- Pending
Links
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
Abstract
The invention discloses a kind of tongue-and-groove broaching tool, including top finish draw cutter tooth and type face finish draw cutter tooth, the top both sides of top finish draw cutter tooth and the equal arc transition in top both sides of type face finish draw cutter tooth, and arc diameter is equal.In the tongue-and-groove broaching tool that the application provides, due to the top both sides of top finish draw cutter tooth and the equal arc transition in top both sides of type face finish draw cutter tooth, and arc diameter is equal, so that seamlessly transitted between cutter tooth, avoid stress concentration, top finish draw cutter tooth and type face finishing broach tooth crest both sides circular arc do not form step, avoid the formation of wedge angle, effectively extend the service life of tongue-and-groove broaching tool.
Description
Technical field
The present invention relates to cell body processing unit (plant) technical field, more particularly to a kind of tongue-and-groove broaching tool.
Background technology
Wheel disc cell body is generally process by tongue-and-groove broaching tool, for example, the turbine disk is used for mounting turbine blades, and bears whirlpool
The centrifugal force of impeller blade, specifically, the turbine disk includes wheel disc body and on wheel disc body, and it is used for mounting turbine blades
Tongue-and-groove, wherein, as shown in Figures 1 to 4, for tongue-and-groove by tongue-and-groove broaching tool machine-shaping, specific broaching order is A1-A2-A3-
11 shown in A4-A5-A6-A7-A8-A9-A10-A11 are processed broaching tool, wherein, A1, A2, A3, A4, A5, A6, A7, A8,
A9, A10 and A11 represent teeth portion corresponding to 11 broaching tools respectively.
The top finish draw cutter tooth 01 of tongue-and-groove broaching tool and the top both sides of the grade cutter tooth of type face finish draw cutter tooth 02 use straight line sword
Structure chamfered transition, relief angle is ground by tooth in the fabrication process, chamfering is minimum, easily produces point with straight line tooth after reconditioning again
Side, stress concentration extrude workpiece inner wall to be added, can cause extrusion abrasion to machined part, and these cause to occur at the top of tongue-and-groove broaching tool
Drastically wear, and then the service life of tongue-and-groove broaching tool is shortened.
Therefore, how to extend the service life of tongue-and-groove broaching tool, be those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide a kind of tongue-and-groove broaching tool, to extend the service life of tongue-and-groove broaching tool.
To achieve the above object, the present invention provides a kind of tongue-and-groove broaching tool, including top finish draw cutter tooth and type face finish draw cutter tooth,
The top both sides of the top finish draw cutter tooth and the equal arc transition in top both sides of the type face finish draw cutter tooth, and arc diameter phase
Deng.
Preferably, in addition to type face broaching tool tooth, the top both sides arc transition of the type face broaching tool tooth.
Preferably, along broaching tool direct of travel project, the type face broaching tool tooth both sides respectively with the top finish draw cutter tooth and
The type face finish draw cutter tooth smoothly transits.
Preferably, the type face finishing broach cingulum relief angle, the top finish draw cutter tooth and type face finish draw cutter tooth and the type
Face broaching tool tooth is transferred by circular arc R 0.2.
Preferably, in addition to rough cutter tooth, the top both sides arc-shaped transition of the rough cutter tooth.
Preferably, the transition of top both sides circular arc R 0.2 of the roughing broach serrated knife.
Preferably, the top finish draw cutter tooth is broached by circle-arc tooth and is molded.
Preferably, the tongue-and-groove broaching tool is used to process turbine disc mortise.
In the above-mentioned technical solutions, tongue-and-groove broaching tool provided by the invention includes top finish draw cutter tooth and type face finish draw cutter tooth,
The top both sides of top finish draw cutter tooth and the equal arc transition in top both sides of type face finish draw cutter tooth, and arc diameter is equal.
By foregoing description, in the tongue-and-groove broaching tool that the application provides, due to the top both sides of top finish draw cutter tooth
With the equal arc transition in top both sides of type face finish draw cutter tooth, and arc diameter is equal so that seamlessly transits, avoids between cutter tooth
Stress concentration, top finish draw cutter tooth and type face finishing broach tooth crest both sides circular arc do not form step, avoid the formation of wedge angle, effectively
Ground extends the service life of tongue-and-groove broaching tool.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the structural representation of traditional top finish draw cutter tooth；
Fig. 2 is the structural representation of traditional tongue-and-groove broaching tool；
Fig. 3 is the partial enlarged drawing of traditional top finish draw cutter tooth；
Fig. 4 is the partial enlarged drawing of traditional tongue-and-groove broaching tool；
The partial structurtes side view for the tongue-and-groove broaching tool that Fig. 5 is provided by the embodiment of the present invention；
The partial enlarged drawing for the tongue-and-groove broaching tool that Fig. 6 embodiment of the present invention is provided；
The partial enlarged drawing for the top finish draw cutter tooth that Fig. 7 is provided by inventive embodiments.
In wherein Fig. 1-7：Finish draw cutter tooth, 02- types face finish draw cutter tooth, 03- types face broaching tool tooth at the top of 01-；
Finish draw cutter tooth, 2- types face finish draw cutter tooth, 3- types face broaching tool tooth at the top of 1-.
Embodiment
The core of the present invention is to provide a kind of tongue-and-groove broaching tool, to extend the service life of tongue-and-groove broaching tool.
In order that those skilled in the art more fully understands technical scheme, below in conjunction with the accompanying drawings and embodiment party
The present invention is described in further detail for formula.
Fig. 5 to Fig. 7 is refer to, in a kind of embodiment, the tongue-and-groove broaching tool bag of specific embodiment of the invention offer
Include top finish draw cutter tooth 1 and type face finish draw cutter tooth 2, the top both sides of top finish draw cutter tooth 1 and the top two of type face finish draw cutter tooth 2
The equal arc transition in side, and arc diameter is equal.Preferably, tongue-and-groove broaching tool is used to process turbine disc mortise.Wherein, portion's finish draw cutter tooth
1 top both sides and the top both sides of type face finish draw cutter tooth 2 are referred both to along the both sides on broaching tool traffic direction.
By foregoing description, in the tongue-and-groove broaching tool that the application specific embodiment is provided, due to top finishing broach
The top both sides of tooth 1 and the equal arc transition in top both sides of type face finish draw cutter tooth 2, and arc diameter is equal so that between cutter tooth
Seamlessly transitting, avoid stress concentration, top finish draw cutter tooth 1 and the top both sides circular arc of type face finish draw cutter tooth 2 do not form step,
Wedge angle is avoided the formation of, effectively extends the service life of tongue-and-groove broaching tool.When for processing turbine disc mortise, tongue-and-groove is improved
The requirement of best bright finish, improves crudy.
Further, the tongue-and-groove broaching tool also includes type face broaching tool tooth 3, and the top both sides arc transition of type face broaching tool tooth 3 is excellent
Choosing, the top both sides arc transition diameter of type face broaching tool tooth 3 and the top both sides arc transition diameter phase of top finish draw cutter tooth 1
Deng.
Preferably, projected along broaching tool direct of travel, the both sides of type face broaching tool tooth 3 are smart with top finish draw cutter tooth 1 and type face respectively
Broaching tool tooth 2 smoothly transits.
It is more highly preferred to, type face finish draw cutter tooth 2 is with relief angle, top finish draw cutter tooth 1 and type face finish draw cutter tooth 2 and the type face
Broaching tool tooth 3 is transferred by circular arc R 0.2mm.Clamping difficulty is greatly reduced, ensures the requirement of tongue-and-groove best bright finish, even if top is smart
The tooth form center of broaching tool tooth 1 and type face finish draw cutter tooth 2 has staggers a little, and circular sliding slopes, is not in wedge angle
Further, the tongue-and-groove broaching tool also includes rough cutter tooth, the top both sides arc-shaped transition of rough cutter tooth.
Further, roughing broach tooth crest both sides use circular arc R 0.2mm transition.
On the basis of above-mentioned each scheme, it is preferable that top finish draw cutter tooth 1 is broached by circle-arc tooth and is molded.
It is preferred that being seamlessly transitted between each cutter tooth, when for processing turbine disc mortise, tongue-and-groove best bright finish is improved
It is required that improve crudy.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
- A kind of 1. tongue-and-groove broaching tool, it is characterised in that including top finish draw cutter tooth (1) and type face finish draw cutter tooth (2), the top essence The top both sides of broaching tool tooth (1) and the equal arc transition in top both sides of the type face finish draw cutter tooth (2), and arc diameter is equal.
- 2. tongue-and-groove broaching tool according to claim 1, it is characterised in that also including type face broaching tool tooth (3), type face broaching tool The top both sides arc transition of tooth (3).
- 3. tongue-and-groove broaching tool according to claim 2, it is characterised in that projected along broaching tool direct of travel, type face broaching tool Tooth (3) both sides smoothly transit with the top finish draw cutter tooth (1) and the type face finish draw cutter tooth (2) respectively.
- 4. tongue-and-groove broaching tool according to claim 3, it is characterised in that type face finish draw cutter tooth (2) the band relief angle, the top Portion's finish draw cutter tooth (1) and type face finish draw cutter tooth (2) and the type face broaching tool tooth (3) are transferred by circular arc R 0.2.
- 5. tongue-and-groove broaching tool according to claim 1, it is characterised in that also including rough cutter tooth, the top of the rough cutter tooth Portion both sides arc-shaped transition.
- 6. tongue-and-groove broaching tool according to claim 5, it is characterised in that the top both sides circular arc R 0.2 of the roughing broach serrated knife Transition.
- 7. tongue-and-groove broaching tool according to claim 1, it is characterised in that the top finish draw cutter tooth (1) is drawn by circle-arc tooth It is whittled into type.
- 8. the tongue-and-groove broaching tool according to any one of claim 1-7, it is characterised in that the tongue-and-groove broaching tool is used to process whirlpool Wheel disc chase mortise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710822851.8A CN107363331A (en) | 2017-09-13 | 2017-09-13 | Tongue-and-groove broaching tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710822851.8A CN107363331A (en) | 2017-09-13 | 2017-09-13 | Tongue-and-groove broaching tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107363331A true CN107363331A (en) | 2017-11-21 |
Family
ID=60303123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710822851.8A Pending CN107363331A (en) | 2017-09-13 | 2017-09-13 | Tongue-and-groove broaching tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107363331A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723481A (en) * | 2018-08-16 | 2018-11-02 | 湖南南方通用航空发动机有限公司 | A kind of turbine disc mortise processing method |
| CN109332801A (en) * | 2018-11-08 | 2019-02-15 | 中南大学 | A kind of optimization method of efficient stable wire pulling method turbine disc mortise |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003220520A (en) * | 2002-01-24 | 2003-08-05 | Nachi Fujikoshi Corp | Broaching tool for machining high hardness material |
| CN102962513A (en) * | 2012-11-14 | 2013-03-13 | 沈阳黎明航空发动机(集团)有限责任公司 | High-accuracy mortise broaching processing method for turbine disk made of powder high-temperature alloy material |
| CN103071853A (en) * | 2012-09-26 | 2013-05-01 | 沈阳黎明航空发动机(集团)有限责任公司 | Broaching method and special tool for high-accuracy small-sized mortises |
| CN104475861A (en) * | 2014-11-04 | 2015-04-01 | 西安航空动力股份有限公司 | Broaching turbine disc tongue-and-groove full-profile tooth type finishing broach and grinding method thereof |
-
2017
- 2017-09-13 CN CN201710822851.8A patent/CN107363331A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003220520A (en) * | 2002-01-24 | 2003-08-05 | Nachi Fujikoshi Corp | Broaching tool for machining high hardness material |
| CN103071853A (en) * | 2012-09-26 | 2013-05-01 | 沈阳黎明航空发动机(集团)有限责任公司 | Broaching method and special tool for high-accuracy small-sized mortises |
| CN102962513A (en) * | 2012-11-14 | 2013-03-13 | 沈阳黎明航空发动机(集团)有限责任公司 | High-accuracy mortise broaching processing method for turbine disk made of powder high-temperature alloy material |
| CN104475861A (en) * | 2014-11-04 | 2015-04-01 | 西安航空动力股份有限公司 | Broaching turbine disc tongue-and-groove full-profile tooth type finishing broach and grinding method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723481A (en) * | 2018-08-16 | 2018-11-02 | 湖南南方通用航空发动机有限公司 | A kind of turbine disc mortise processing method |
| CN109332801A (en) * | 2018-11-08 | 2019-02-15 | 中南大学 | A kind of optimization method of efficient stable wire pulling method turbine disc mortise |
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Application publication date: 20171121 |