CN108746837B - A kind of broaching or broaching device for non-straight wire casing or not wide section slot - Google Patents
A kind of broaching or broaching device for non-straight wire casing or not wide section slot Download PDFInfo
- Publication number
- CN108746837B CN108746837B CN201810562463.5A CN201810562463A CN108746837B CN 108746837 B CN108746837 B CN 108746837B CN 201810562463 A CN201810562463 A CN 201810562463A CN 108746837 B CN108746837 B CN 108746837B
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- China
- Prior art keywords
- broaching
- broaching tool
- tool disk
- wide section
- wire casing
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Classifications
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- 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
- B23D37/00—Broaching machines or broaching devices
- B23D37/22—Broaching machines or broaching devices for special purposes
-
- 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
- B23D39/00—Accessories for broaching machines or broaching devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The invention discloses a kind of broaching for non-straight wire casing or not wide section slot or broaching devices, including broaching tool disk, interior knife bar or outer positioning sleeve, fixture and pushing block.Multi-disc broaching tool disk is combined into broaching tool, every broaching tool disk is equipped with cutter tooth, broaching tool disk inner hole or periphery are provided with guide post, every broaching tool disk can be rotated around interior knife bar or outer positioning sleeve, guide groove is provided on interior knife bar or outer positioning sleeve, the shape of guide groove is consistent with the non-rectilinear groove shape processed, in guide post insertion guide groove on every broaching tool disk, in this way in machining, every broaching tool disk is moved along the track of guide groove, to process non-straight wire casing；When these sheet broaching tool disks are respectively moved to the different track groove in two sides, also processable not wide section slot out.The device has greatly expanded the range of broaching and broaching processing, the technique for enriching machining.
Description
Technical field
The present invention relates to the broachings of machine components or broaching to process, in particular to a kind of to be used for non-straight wire casing or not wide section
The broaching of face slot or broaching device.
Background technique
Broaching and broaching are traditional cutting working methods, can process various through slots of different shapes, and machining accuracy is high,
It is high-efficient, but broaching tool is for linear motion relative to workpiece during existing broacher workpieces processing, it can not basis
The bending state of workpiece is adjusted, and is unable to complete the processing of non-straight wire casing and not wide section slot, is reduced the processing of workpiece
Precision reduces working efficiency.
Summary of the invention
In view of the deficienciess of the prior art, the present invention proposes a kind of broaching for non-straight wire casing or not wide section slot
Or broaching device, the technical solution is as follows:
A kind of broaching or broaching device for non-straight wire casing or not wide section slot, device include: broaching tool disk, interior knife
Bar or outer positioning sleeve, fixture and pushing block, multi-disc broaching tool disk are combined into broaching tool, are designed with cutter tooth and guiding on every broaching tool disk
Guide groove is provided on column, interior knife bar or outer positioning sleeve, in the guide post insertion guide groove on every broaching tool disk, every broaching tool disk
It can be rotated around interior knife bar or outer positioning sleeve, in machining, every broaching tool disk is under the promotion of pushing block along guide groove
Track movement；
Further, the guiding groove width and guide post equivalent width on interior knife bar or outer positioning sleeve, guiding
Groove shape is consistent with processed non-rectilinear groove shape；
Further, when broaching to not wide section slot, a plurality of lead will be set on interior knife bar or outer positioning sleeve
To slot, shape is consistent with the side view of not wide section two sides respectively；
Further, there is skewed slot on the broaching tool disk, cutter tooth is embedded in skewed slot, and is fixed by screws on broaching tool disk,
The quantity of cutter tooth is consistent with the quantity of processed feature on every broaching tool disk；
Further, between every broaching tool disk, between every broaching tool disk and interior knife bar or outer positioning sleeve using lubricating oil or
Lubricating grease or solid lubricant are lubricated to reduce coefficient of friction, and lubricating oil is provided using persistent pressure form；
Further, by installing bearing additional to reduce friction between every broaching tool disk；
Further, the guide groove is divided into work nest and lead-in groove and export three parts of slot, lead-in groove and export slot
Shape is obtained by way of tangent extension on the basis of work nest curve, and respective length is greater than each cutterhead and is superimposed upon one
Total length is played, the length of work nest is consistent with processed slot length；
Further, during processing, broaching tool disk is axially moved, workpiece to be machined and interior knife bar or band with guide groove
The outer positioning sleeve of guide groove is fixed, and broaching tool disk moves under the action of axial thrust and guide groove and the production in processing curve
Raw rotation；Before processing, the cutter tooth of the broaching tool disk of first workpieces processing and the starting point of work nest, the i.e. end of lead-in groove are flat
Together, after completion of processing, the starting point of the last cutter tooth of a piece of broaching tool disk and the end of work nest, i.e. export slot is concordant.
The beneficial effects of the present invention are:
The present invention is directed to design a kind of broaching tool disk of sheet overlapping, it is provided with guide post on every broaching tool cutterhead, these are led
It is embedded into preset track groove to column, when machining, the track that deflection cutterhead will be with track groove setting is moved,
To realize the processing of non-straight wire casing or unequal section sipes, which has greatly expanded the range of broaching and broaching processing,
The technique for enriching machining.
Detailed description of the invention
Fig. 1 is broaching tool dish structure schematic diagram；
Fig. 2 is broaching tool disk combining structure schematic diagram；
Fig. 3 is outer locating sleeve structure schematic diagram；
Fig. 4 is part clamp location structure schematic diagram；
Fig. 5 is whole device work installation diagram；
Fig. 6 is workpiece to be processed schematic diagram；
Appended drawing reference is as follows: 1. workpiece, 2. fixtures, 3. flat keys, 4. cutters tooth, 5. broaching tool disks, 6. screws, 7. guide posts, and 8.
Thrust bearing, 9. outer positioning sleeves, 10. pushing blocks, 91. guide grooves, 92. lead-in grooves, 93. work nests, 94. export slots.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is broaching tool dish structure schematic diagram, and cutter tooth 4 is assemblied on broaching tool disk 5, there is skewed slot on broaching tool disk 5, and cutter tooth 4 is embedded in
It in skewed slot, and is fixed on broaching tool disk 5 by screw 6, broaching tool disk 5 is equipped with guide post 7.
Fig. 2 is the structural schematic diagram that broaching tool disk is combined into broaching tool, and broaching tool is integrally made of multiple broaching tool disks 5, herein with six
For a broaching tool disk 5, wherein 3 broaching tool disks 5 are one group, as depicted in figs. 3 and 5, one group of broaching tool disk 5 is mounted in A slot, another
Group broaching tool disk 5 is mounted in B slot.It is provided with thrust bearing 8 between each broaching tool disk 5, to reduce frictional resistance when rotation.
Fig. 3 is outer locating sleeve structure schematic diagram, is machined with two pairs of guide grooves 91, one pair of them on the outer positioning sleeve 9 of broaching tool disk 5
For A slot, it is spaced 180 degree.Another pair is B slot, and interval is all 180 degree.Every bar groove is divided into lead-in groove 92, work nest 93 and export slot
94 3 parts.Wherein A slot work nest curve corresponds to the A characteristic curve on part 1, and the work nest curve of B slot corresponds to part 1
On B characteristic curve.
Fig. 4 is that workpiece uses Internal hole positioning on fixture 2, prevents from rotating by flat key 3.
Fig. 5 is whole device work installation diagram, and each broaching tool disk 5 and thrust bearing 8 are packed into outside broaching tool after being grouped together
In positioning sleeve 9, guide post 7 is installed in outside, the guide post 7 of one group of broaching tool disk 5 is mounted in A slot, and another group of broaching tool disk 5 is led
It is mounted in B slot to column 7, each knife handle is within guide groove before 4 contact workpiece of blade.When work, outside fixture 2 and broaching tool
Positioning sleeve 9 remains stationary, and pushing block 10 pushes the broaching tool disk 5 to combine to travel forward under the effect of machine tool hydraulic power.
Guide post 7 enters in work nest 93 when 4 contact workpiece of cutter tooth, under the action of the constraint of work nest 93 and pushing block 10, draws
Cutterhead 5 travels forward, and rotary motion is generated in processing curve, and motion profile is consistent with 93 shape of work nest.One in A slot
Group broaching tool disk 5 completes the processing of A characteristic curve, and another group of broaching tool disk 5 in B slot completes the processing of B characteristic curve, and the two is closed one
Act the processing for completing entire part feature.
The case where when above-described embodiment is workpieces processing surface, when need the characteristic face processed in inside workpiece,
Then that guide groove is set on interior knife bar, guide post is set to broaching tool disk inner ring, and cutter tooth is set to broaching tool disk outer ring, the edge of a knife to
Outside；When processing, interior knife bar is put in broaching tool disk center, and guide post is put in guide groove, and workpiece to be processed and interior knife bar are fixed, interior
Knife bar and broaching tool disk are set to inside workpiece, pass through in the promotion drop-down cutterhead of pushing block from inside workpiece, cut in inside workpiece
Cutting out needs processing effect.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent substitution, improvement and etc. done be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of broaching or broaching device for non-straight wire casing or not wide section slot, device include: broaching tool disk, interior knife bar
Or outer positioning sleeve, fixture and pushing block, multi-disc broaching tool disk are combined into broaching tool, are designed with cutter tooth and guide post on every broaching tool disk,
Guide groove is provided on interior knife bar or outer positioning sleeve, in the guide post insertion guide groove on every broaching tool disk, every broaching tool disk can
It is rotated around interior knife bar or outer positioning sleeve, in machining, every broaching tool disk is under the promotion of pushing block along the rail of guide groove
Mark movement.
2. a kind of broaching or broaching device for non-straight wire casing or not wide section slot according to claim 1, special
Sign is the guiding groove width and guide post equivalent width on interior knife bar or outer positioning sleeve, is oriented to groove shape and is added
The non-rectilinear groove shape of work is consistent.
3. a kind of broaching or broaching device for non-straight wire casing or not wide section slot according to claim 1, special
When sign is to broach to not wide section slot, a plurality of guide groove, shape point will be set on interior knife bar or outer positioning sleeve
It is not consistent with the side view of not wide section two sides.
4. a kind of broaching or broaching device for non-straight wire casing or not wide section slot according to claim 1, special
Sign is there is skewed slot on the broaching tool disk, and cutter tooth is embedded in skewed slot, and is fixed by screws on broaching tool disk, on every broaching tool disk
The quantity of cutter tooth is consistent with the quantity of processed feature.
5. a kind of broaching or broaching device for non-straight wire casing or not wide section slot according to claim 1, special
Sign is between every broaching tool disk, using lubricating oil or lubricating grease or solid-state between every broaching tool disk and interior knife bar or outer positioning sleeve
Lubricant is lubricated to reduce coefficient of friction, and lubricating oil is provided using persistent pressure form.
6. a kind of broaching or broaching device for non-straight wire casing or not wide section slot according to claim 1, special
Sign is between every broaching tool disk by installing bearing additional to reduce friction.
7. a kind of broaching or broaching device for non-straight wire casing or not wide section slot according to claim 1, special
Sign is that the guide groove is divided into work nest and lead-in groove and export three parts of slot, and lead-in groove and export groove shape are to work
It being obtained by way of tangent extension on the basis of slot curve, respective length is greater than each cutterhead and is superimposed total length,
The length of work nest is consistent with processed slot length.
8. a kind of broaching or broaching device for non-straight wire casing or not wide section slot according to claim 1, special
Sign is that during processing broaching tool disk is axially moved, workpiece to be machined and the interior knife bar or outer with guide groove with guide groove
Positioning sleeve is fixed, and broaching tool disk moves under the action of axial thrust and guide groove and generates rotation in processing curve；Add
Before work, the cutter tooth of the broaching tool disk of first workpieces processing and the starting point of work nest, i.e. the end of lead-in groove is concordant, completion of processing
Afterwards, the starting point of the last cutter tooth of a piece of broaching tool disk and the end of work nest, i.e. export slot is concordant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810562463.5A CN108746837B (en) | 2018-06-04 | 2018-06-04 | A kind of broaching or broaching device for non-straight wire casing or not wide section slot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810562463.5A CN108746837B (en) | 2018-06-04 | 2018-06-04 | A kind of broaching or broaching device for non-straight wire casing or not wide section slot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108746837A CN108746837A (en) | 2018-11-06 |
| CN108746837B true CN108746837B (en) | 2019-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810562463.5A Active CN108746837B (en) | 2018-06-04 | 2018-06-04 | A kind of broaching or broaching device for non-straight wire casing or not wide section slot |
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| CN (1) | CN108746837B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114529U (en) * | 1991-10-23 | 1992-09-02 | 杜建民 | Combined scrapping out cutter |
| CN2302860Y (en) * | 1997-02-24 | 1999-01-06 | 余翔 | Mechanically clamping and self-guiding broaching tool for cutting keyway |
| CN1419988A (en) * | 2002-03-22 | 2003-05-28 | 陈伟 | Shaped pust-type broach |
| JP2007210048A (en) * | 2006-02-08 | 2007-08-23 | Nachi Fujikoshi Corp | External gear machining pot broach holder |
| CN200967140Y (en) * | 2006-11-10 | 2007-10-31 | 韶关宏大齿轮有限公司 | Combined clamp for special-shaped internal hole broaching |
| CN201353672Y (en) * | 2009-02-24 | 2009-12-02 | 杨方洲 | Outward push-pull cutter |
| CN203992621U (en) * | 2014-08-12 | 2014-12-10 | 金华市红太阳工具厂 | A kind of profiled holes broaching tool |
| CN105269066A (en) * | 2014-07-27 | 2016-01-27 | 李征 | Broach mechanism for numerical control machining of inner spiral line |
| WO2017192614A1 (en) * | 2016-05-02 | 2017-11-09 | Eaton Corporation | Single pass rotor finishing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6644358B2 (en) * | 2001-07-27 | 2003-11-11 | Manoir Industries, Inc. | Centrifugally-cast tube and related method and apparatus for making same |
-
2018
- 2018-06-04 CN CN201810562463.5A patent/CN108746837B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114529U (en) * | 1991-10-23 | 1992-09-02 | 杜建民 | Combined scrapping out cutter |
| CN2302860Y (en) * | 1997-02-24 | 1999-01-06 | 余翔 | Mechanically clamping and self-guiding broaching tool for cutting keyway |
| CN1419988A (en) * | 2002-03-22 | 2003-05-28 | 陈伟 | Shaped pust-type broach |
| JP2007210048A (en) * | 2006-02-08 | 2007-08-23 | Nachi Fujikoshi Corp | External gear machining pot broach holder |
| CN200967140Y (en) * | 2006-11-10 | 2007-10-31 | 韶关宏大齿轮有限公司 | Combined clamp for special-shaped internal hole broaching |
| CN201353672Y (en) * | 2009-02-24 | 2009-12-02 | 杨方洲 | Outward push-pull cutter |
| CN105269066A (en) * | 2014-07-27 | 2016-01-27 | 李征 | Broach mechanism for numerical control machining of inner spiral line |
| CN203992621U (en) * | 2014-08-12 | 2014-12-10 | 金华市红太阳工具厂 | A kind of profiled holes broaching tool |
| WO2017192614A1 (en) * | 2016-05-02 | 2017-11-09 | Eaton Corporation | Single pass rotor finishing |
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| Publication number | Publication date |
|---|---|
| CN108746837A (en) | 2018-11-06 |
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