CN103465163A - Fixture for grinding tool - Google Patents
Fixture for grinding tool Download PDFInfo
- Publication number
- CN103465163A CN103465163A CN2013104207919A CN201310420791A CN103465163A CN 103465163 A CN103465163 A CN 103465163A CN 2013104207919 A CN2013104207919 A CN 2013104207919A CN 201310420791 A CN201310420791 A CN 201310420791A CN 103465163 A CN103465163 A CN 103465163A
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- pressing plate
- fixture
- protruding block
- guiding surface
- pedestal
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Abstract
The invention relates to a fixture for a grinding tool. The fixture comprises a base, the front end of the base is provided with a machining portion for placing a workpiece to be machined, a pressing plate for tightly pressing the workpiece to be machined is arranged above the base, a pushing structure is arranged on the base and used for pushing the pressing plate to tension the workpiece to be machined backwards when the pressing plate is pressed down, the pushing structure comprises a guide inclined surface and a matched portion, the guide inclined surface is gradually inclined backwards from top to bottom and arranged on one of the base and the pressing plate, and the matched portion in pilot fit with the guide inclined surface is arranged on the other one of the base and the pressing plate. When the pressing plate is pressed down, the guide inclined surface and the matched portion which are in pilot fit and arranged on the base and the pressing plate push the pressing plate to drive the workpiece to be machined to be pressed backwards, so that the workpiece to be machined is pressed backwards and accordingly more reliably clamped, and clamping stability and machining precision are ensured.
Description
Technical field
The present invention relates to a kind of fixture, relate in particular to a kind of fixture for grinding knife tool.
Background technology
Granted publication number discloses a kind of grinding jig for the Chinese patent of CN 202985337U " a kind of jig for the grinding taper seat ", this jig comprises that front end is provided with the pedestal of the processing department for placing workpiece to be processed, be hinged with the pressing plate that is positioned over the workpiece to be processed on processing department for compression on pedestal, the pressing plate front end is provided with the turning edge towards the pedestal turnover for workpiece pressing, rear end is provided with the screw-nut body for driving pressing plate to make to turn edge and press down or face upward around the jointed shaft rotation of itself and pedestal, during grinding, workpiece to be processed is placed on to the processing department of pedestal, the rotating threaded shaft nut body, drive turning edge of pressing plate front end to press down and workpiece to be processed is fixed, start grinding.This jig drives turning edge of pressing plate to press down by screw-nut body and the self-locking by screw-nut body makes to turn edge keeps the compression to workpiece to be processed in process, in grinding process owing to the reason such as trembling, the thrust turned edge to workpiece to be processed likely can produce loosening, thereby make workpiece to be processed rock, affect machining accuracy.Especially in the situation that workpiece is less, clamp loosening phenomenon more outstanding.
Summary of the invention
The objective of the invention is to propose a kind of fixture for grinding knife tool of reliable clamping.
For addressing the above problem, the technical solution used in the present invention is:
A kind of fixture for grinding knife tool, comprise that front end has the pedestal of the processing department for placing workpiece to be processed, described pedestal top is provided with for compressing the pressing plate of workpiece to be processed, be provided with on described pedestal for promote pressing plate when pressing plate presses down and make its pushing structure of straining backward workpiece to be processed, described pushing structure comprises the upper auxiliary section for described guiding surface, leading and coordinate of sweptback guiding surface and another upper setting gradually from the top down arranged of one of them of described pedestal and described pressing plate.
Be provided with groove on described pedestal, be provided with the projection coordinated with described groove inserting on described pressing plate, described guiding surface consists of the front side wall of described groove, and described auxiliary section is arranged at the front end of described projection.
Described auxiliary section consists of the leading flank of described projection, and the leading flank of described projection is the inclined-plane identical with incline direction with the angle of inclination of described guiding surface.
Be provided with groove on described pressing plate, be provided with the projection coordinated with described groove inserting on described pedestal, described guiding surface consists of the trailing flank of described projection, and described auxiliary section is arranged at the rear end of described groove.
Described auxiliary section consists of the rear side wall of described groove, and the rear side wall of described groove is the inclined-plane identical with incline direction with the angle of inclination of described guiding surface.
Be provided with upper protruding block protruding upward on described pedestal, be provided with the lower protruding block of downward protrusion on described pressing plate, described guiding surface consists of the trailing flank of described upper protruding block, and described auxiliary section is arranged at the front end of described lower protruding block.
Described auxiliary section consists of the leading flank of described lower protruding block, and the leading flank of described lower protruding block is the inclined-plane identical with incline direction with the angle of inclination of described guiding surface.
Be provided with upper protruding block protruding upward on described pedestal, be provided with the lower protruding block of downward protrusion on described pressing plate, described guiding surface consists of the leading flank of described lower protruding block, and described auxiliary section is arranged at the rear end of described upper protruding block.
Described auxiliary section consists of the trailing flank of described upper protruding block, and the trailing flank of described upper protruding block is the inclined-plane identical with incline direction with the angle of inclination of described guiding surface.
Described pedestal and described pressing plate are hinged by jointed shaft.
A kind of fixture for grinding knife tool that the present invention proposes, this fixture center platen presses down simultaneously, the guiding surface that the guiding arranged on pedestal and pressing plate coordinates and auxiliary section impel pressing plate drive workpiece to be processed to press backward, thereby make workpiece to be processed backward near, make the clamping of workpiece to be processed more reliable, guaranteed clamping stability and machining accuracy.
Further, the groove that guiding coordinates being set on pedestal and pressing plate and coordinating with projection or two projections guiding, simple in structure, be convenient to process.
Further, guiding surface all adopts with auxiliary section the inclined-plane that incline direction is identical with angle of inclination, and the guiding slipping smoothness is stable.
The accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of a kind of fixture for grinding knife tool of the present invention;
Fig. 2 is the structural representation of pedestal in Fig. 1;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the left view of Fig. 2;
Fig. 5 is the structural representation of Fig. 1 center platen;
Fig. 6 is the top view of Fig. 5;
Fig. 7 is the structural representation of adjustment screw in 1;
Fig. 8 is the structural representation of rotating dog.
The specific embodiment
The embodiment of the fixture of a kind of grinding knife tool of the present invention: as shown in Fig. 1～Fig. 8, this fixture comprises pedestal 1, the front end of pedestal 1 is provided with the processing department 14 for placing workpiece to be processed 5, processing department has the bottom surface of supporting placement workpiece to be processed 5 and prevents the rear confined planes that workpiece to be processed 5 moves backward, pedestal 1 middle part is provided with supporting seat 11, offer the pin shaft hole 12 for installing jointed shaft 4 on supporting seat 11, pedestal 1 offers groove 13 near processing department 14 places, groove 13 has front side wall, the front side wall of groove 13 be along notch to the bottom land direction on sweptback guiding surface, be hinged with the pressing plate 2 for compressing workpiece to be processed 5 by jointed shaft 4 on pedestal 1, on pressing plate 2, be provided with at the pin-and-hole 24 for installing jointed shaft 4, there is free gap between the hole wall of the pin-and-hole on jointed shaft 4 and pressing plate on fore-and-aft direction, pressing plate 2 front ends are provided with for compressing turning edge of workpiece to be processed 5, the front end that turns edge is the horizontally extending casting die section 22 for the pressure holding workpiece, be provided with projection 23 in casting die section 22, the auxiliary section that the leading flank of projection 23 coordinates with the guiding surface guiding, the leading flank of projection 23 is the inclined-plane identical with angle of inclination with the incline direction of groove 13, the front side wall inclined-plane guiding of the leading flank of projection 23 and groove 13 coordinates and makes pressing plate rotate and strain backward workpiece to be processed 5 while compressing workpiece to be processed 5 and workpiece to be processed is pressed against on the rear confined planes of processing department backward around jointed shaft, the rear end of pressing plate 2 offers the screwed hole 21 for installing adjustment screw 3, pressing plate 2 is configured for driving pressing plate 2 to compress the screw-nut body of workpiece to be processed 5 around jointed shaft 4 rotations with adjustment screw 3, adjustment screw 3 comprises with the threaded shank 31 of screwed hole threaded engagement with for the handle portion 32 of hand-held rotation, be provided with on handle portion and prevent the annular knurl skidded.
It is example that the present embodiment be take the arc surface of bottom of processing small dimension cutter head, because this cutter head specification is little, when carrying out grinding, the arc surface to its bottom surface is difficult to location, therefore its working (machining) efficiency is low, product quality is not high, adopt the fixture in the present invention to be clamped this small dimension cutter head, and it is carried out to grinding.In use, cutter head to be processed is placed on the processing department 14 of pedestal 1, make bottom surface to be processed towards the place ahead, adopt jointed shaft 4 that pedestal 1 and pressing plate 2 is hinged, pressing plate 2 can be around jointed shaft 4 rotations, rotation adjustment screw 3, adjustment screw 3 drives pressing plate 2 around jointed shaft 4 rotations with the screw-nut body that pressing plate 2 forms, thereby make the casting die section 22 of pressing plate 2 move downward and compress cutter head to be processed, when pressing plate 2 compresses cutter head to be processed downwards, because projection 23 plug-in mountings on pressing plate 2 advance in the groove 13 on pedestal 1, the leading flank of projection 23 coordinates with the front side wall inclined-plane of groove 13, and there is free gap between the pin-and-hole of jointed shaft 4 and pressing plate, thereby the front side wall that makes groove can promote pressing plate to be strained workpiece to be processed backward and workpiece to be processed is pressed against on the rear confined planes of processing department 14 backward.Groove 13 and projection 23 that the downward workpiece pressing of casting die section of regulating pressing plate 2 by rotation adjustment screw 3 adopts inclined-plane to coordinate simultaneously, make the downward workpiece pressing of pressing plate and successively strain workpiece to be processed simultaneously, thereby more reliable to the clamping of cutter head to be processed.
Be provided with on pedestal on groove, pressing plate and be provided with projection in the present embodiment, the reeded front side wall of guiding surface forms, the leading flank identical with angle of inclination with the guiding surface incline direction that the auxiliary section coordinated with the guiding surface guiding is projection, also can projection be set on pedestal in other embodiments of the invention, groove is set on pressing plate, the rear side wall identical with angle of inclination with the guiding surface incline direction that the trailing flank that guiding surface is projection, auxiliary section are groove; Upper protruding block perhaps is set on pedestal, lower protruding block is set on pressing plate, the trailing flank that guiding surface is upper protruding block, the leading flank identical with angle of inclination with the guiding surface incline direction that auxiliary section is lower protruding block; Upper protruding block perhaps is set on pedestal, lower protruding block is set on pressing plate, the leading flank that guiding surface is lower protruding block, the trailing flank identical with angle of inclination with the guiding surface incline direction that auxiliary section is upper protruding block.
In the various embodiments described above, auxiliary section is the inclined-plane identical with incline direction with the guiding surface angle of inclination, auxiliary section also can not be set to inclined-plane in other embodiments of the invention, and the seamed edge of the projection that auxiliary section is contacted with the guiding surface guiding or the circular arc projection that the seamed edge place arranges, or the cell wall of groove and the seamed edge between upper surface.
Pressing plate and pedestal are hinged by jointed shaft in the present embodiment, also pressing plate can be led and are assemblied on pedestal up and down in other embodiments of the invention.
There is in the present embodiment free gap between the hole wall of the pin-and-hole of jointed shaft and pressing plate on fore-and-aft direction, so that pressing plate can move backward when jointed shaft rotates, also can make in other embodiments of the invention free gap to be set on fore-and-aft direction or to make jointed shaft all on fore-and-aft direction, there is free gap simultaneously and between the hole wall of the pin-and-hole of the hole wall of the pin shaft hole of pedestal and pressing plate between the hole wall of pin shaft hole of jointed shaft and pedestal.
Claims (10)
1. the fixture for grinding knife tool, comprise that front end has the pedestal of the processing department for placing workpiece to be processed, described pedestal top is provided with for compressing the pressing plate of workpiece to be processed, it is characterized in that: be provided with on described pedestal for promote pressing plate when pressing plate presses down and make its pushing structure of straining backward workpiece to be processed, described pushing structure comprises the upper auxiliary section for described guiding surface, leading and coordinate of sweptback guiding surface and another upper setting gradually from the top down arranged of one of them of described pedestal and described pressing plate.
2. the fixture for grinding knife tool according to claim 1, it is characterized in that: on described pedestal, be provided with groove, be provided with the projection coordinated with described groove inserting on described pressing plate, described guiding surface consists of the front side wall of described groove, and described auxiliary section is arranged at the front end of described projection.
3. the fixture for grinding knife tool according to claim 2, it is characterized in that: described auxiliary section consists of the leading flank of described projection, and the leading flank of described projection is the inclined-plane identical with incline direction with the angle of inclination of described guiding surface.
4. the fixture for grinding knife tool according to claim 1, it is characterized in that: on described pressing plate, be provided with groove, be provided with the projection coordinated with described groove inserting on described pedestal, described guiding surface consists of the trailing flank of described projection, and described auxiliary section is arranged at the rear end of described groove.
5. the fixture for grinding knife tool according to claim 4, it is characterized in that: described auxiliary section consists of the rear side wall of described groove, and the rear side wall of described groove is the inclined-plane identical with incline direction with the angle of inclination of described guiding surface.
6. the fixture for grinding knife tool according to claim 1, it is characterized in that: be provided with upper protruding block protruding upward on described pedestal, be provided with the lower protruding block of downward protrusion on described pressing plate, described guiding surface consists of the trailing flank of described upper protruding block, and described auxiliary section is arranged at the front end of described lower protruding block.
7. the fixture for grinding knife tool according to claim 6, it is characterized in that: described auxiliary section consists of the leading flank of described lower protruding block, and the leading flank of described lower protruding block is the inclined-plane identical with incline direction with the angle of inclination of described guiding surface.
8. the fixture for grinding knife tool according to claim 1, it is characterized in that: be provided with upper protruding block protruding upward on described pedestal, be provided with the lower protruding block of downward protrusion on described pressing plate, described guiding surface consists of the leading flank of described lower protruding block, and described auxiliary section is arranged at the rear end of described upper protruding block.
9. the fixture for grinding knife tool according to claim 8, it is characterized in that: described auxiliary section consists of the trailing flank of described upper protruding block, and the trailing flank of described upper protruding block is the inclined-plane identical with incline direction with the angle of inclination of described guiding surface.
10. according to the described fixture for grinding knife tool of any one in claim 1～9, it is characterized in that: described pedestal and described pressing plate are hinged by jointed shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104207919A CN103465163A (en) | 2013-09-16 | 2013-09-16 | Fixture for grinding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104207919A CN103465163A (en) | 2013-09-16 | 2013-09-16 | Fixture for grinding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103465163A true CN103465163A (en) | 2013-12-25 |
Family
ID=49790324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013104207919A Pending CN103465163A (en) | 2013-09-16 | 2013-09-16 | Fixture for grinding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103465163A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107627213A (en) * | 2017-09-26 | 2018-01-26 | 北京现代汽车有限公司 | Knives rack device for cutter sharpener |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2194230Y (en) * | 1993-08-18 | 1995-04-12 | 邓朝华 | Clamping structure for cutter by hole clamping parts |
| US20040256608A1 (en) * | 2001-07-26 | 2004-12-23 | Otto Eder | Metal cutting tool and cutting plate provided in the shape of a donut |
| CN1993203A (en) * | 2004-07-30 | 2007-07-04 | 罗诺曼迪克有限公司 | Device for clamping a tool insert in a grinding machine |
| CN102862099A (en) * | 2012-05-30 | 2013-01-09 | 厦门钨业股份有限公司 | Dedicated jig for numerical control knife machine |
| CN202985337U (en) * | 2012-12-15 | 2013-06-12 | 河南富耐克超硬材料股份有限公司 | Fixture for grinding conical face |
| CN203509915U (en) * | 2013-09-16 | 2014-04-02 | 河南富耐克超硬材料股份有限公司 | Clamp for grinding tool |
-
2013
- 2013-09-16 CN CN2013104207919A patent/CN103465163A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2194230Y (en) * | 1993-08-18 | 1995-04-12 | 邓朝华 | Clamping structure for cutter by hole clamping parts |
| US20040256608A1 (en) * | 2001-07-26 | 2004-12-23 | Otto Eder | Metal cutting tool and cutting plate provided in the shape of a donut |
| CN1993203A (en) * | 2004-07-30 | 2007-07-04 | 罗诺曼迪克有限公司 | Device for clamping a tool insert in a grinding machine |
| CN102862099A (en) * | 2012-05-30 | 2013-01-09 | 厦门钨业股份有限公司 | Dedicated jig for numerical control knife machine |
| CN202985337U (en) * | 2012-12-15 | 2013-06-12 | 河南富耐克超硬材料股份有限公司 | Fixture for grinding conical face |
| CN203509915U (en) * | 2013-09-16 | 2014-04-02 | 河南富耐克超硬材料股份有限公司 | Clamp for grinding tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107627213A (en) * | 2017-09-26 | 2018-01-26 | 北京现代汽车有限公司 | Knives rack device for cutter sharpener |
| CN107627213B (en) * | 2017-09-26 | 2024-03-01 | 北京现代汽车有限公司 | Tool holder device for tool grinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 450001 Zhengzhou high tech Industrial Development Zone, Henan, Holly Street, No. 16 Applicant after: Rich Nike superhard material limited company Address before: 450001 Zhengzhou high tech Industrial Development Zone, Henan, Holly Street, No. 16 Applicant before: Henan Funik Ultrahard Material Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: HE NAN FUNIK ULTRAHARD MATERIAL CO., LTD. TO: FUNIK ULTRAHARD MATERIALS CO., LTD. |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131225 |