CN105414690A - Inverted indexing fixture and electrosparking method based on the same - Google Patents
Inverted indexing fixture and electrosparking method based on the same Download PDFInfo
- Publication number
- CN105414690A CN105414690A CN201510885969.6A CN201510885969A CN105414690A CN 105414690 A CN105414690 A CN 105414690A CN 201510885969 A CN201510885969 A CN 201510885969A CN 105414690 A CN105414690 A CN 105414690A
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- China
- Prior art keywords
- locating turntable
- processed
- upside
- down mounting
- indexing fixture
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
- B23H11/003—Mounting of workpieces, e.g. working-tables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses an inverted indexing fixture and an electrosparking method based on the same. The fixture comprises a body for locating supporting and a locating rotary disc, and the locating rotary disc is arranged on the body and used for mounting and locating a part to be machined and driving the part to be machined to be transferred in an indexing manner so as to carry out porous electrosparking. The locating rotary disc is connected with a force application mechanism used for force application so as to drive the locating rotary disc to rotate. A locking mechanism used for locking the locating rotary disc is arranged on the body. The fixture further comprises a feeler block which is matched with the locating rotary disc and used for assisting an electrosparking electrode in carrying out tool setting on hole sites of the part to be machined. Electrosparking of hole sites in multiple positions can be carried out on the part to be machined only through one-time clamping, the feeler block is used for assisting the electrode in carrying out tool setting on the hole sites of the part to be machined, alignment precision is high, and operation is easy and convenient; and the fixture is simple in structure and low in manufacturing cost, and the porous electrosparking efficiency is greatly improved.
Description
Technical field
The present invention relates to jig Design field, especially, relate to a kind of upside-down mounting indexing fixture, in addition, also relate to a kind of electric discharge machining method based on above-mentioned upside-down mounting indexing fixture.
Background technology
Aviation field often need carry out the processing of multiple uniform microscopic pinholes to part, and part to be processed needs upside-down mounting just can carry out extraordinary spark machined, and because the position distribution of processing is in multiple places of part to be processed, therefore needs to treat processing parts and carry out multiple clamping and can complete processing operation.In prior art, there is no the fixture indexing mechanism for multiple uniform microscopic pinholes spark machined, therefore need the upside-down mounting indexing fixture designing a kind of spark machined for multiple uniform hole badly.
Summary of the invention
The invention provides a kind of upside-down mounting indexing fixture and the electric discharge machining method based on it, there is no the complex operation that process that special fixture causes needs multiple clamping to cause, the technical problem that working (machining) efficiency is low with the spark machined solving existing multiple uniform hole.
The technical solution used in the present invention is as follows:
According to an aspect of the present invention, a kind of upside-down mounting indexing fixture is provided, it carries out the clamping device of porous spark machined as part to be processed, and upside-down mounting indexing fixture comprises: for positioning supports body and be located on body for install location part to be processed and drive part calibration to be processed shift with the locating turntable carrying out porous spark machined;
Locating turntable is connected with for exerting a force the force application mechanism driving it to rotate;
Body is provided with the retaining mechanism for locking positioning rotating disk;
Also comprise the feeler block of position, the hole tool setting coordinating the electrode pair processed for auxiliary electric spark part to be processed with locating turntable.
Further, the end of locating turntable is provided with for determining that the relative position of part to be processed or feeler block and locating turntable determines angle mechanism with what realize that angle locates, feeler block be provided with determine that angle mechanism coordinates to tool bore.
Further, feeler block is the axle with the consistent size of the location division that part to be processed matches with locating turntable.
Further, determining angle mechanism is rhombus pin.
Further, body comprises base plate and is located at the gripper shoe for supporting and location rotating disk on base plate, and the link of boards of gripper shoe through longitudinally arranging is to base plate.
Further, retaining mechanism comprises tapped nut, and the outer of locating turntable is equipped with external screw thread, and locating turntable is strained with locking positioning in gripper shoe through tapped nut.
Further, the packing ring for regulating the gap between locating turntable and gripper shoe is provided with between gripper shoe and nut.
Further, the axis along locating turntable is arranged for locating turntable being positioned to the latch on body.
Further, part to be processed is fixed to locating turntable by himself the screw rod of through hole through.
According to a further aspect in the invention, provide a kind of electric discharge machining method, apply above-mentioned upside-down mounting indexing fixture, comprising:
Clamping feeler block on locating turntable, simulates the installation site of part to be processed;
Based on feeler block, adjustment electric discharge machining best correct position is also located;
Remove feeler block, part location to be processed is fixed on locating turntable;
The part to be processed that the electrode pair behind location is fixed on locating turntable is adopted to carry out porous spark machined.
The present invention has following beneficial effect:
Upside-down mounting indexing fixture of the present invention and based on its electric discharge machining method, by arranging for installing location part to be processed and driving described part calibration transfer to be processed with the locating turntable carrying out porous spark machined on body, only need clamped one time to treat spark machined that processing parts carries out the position, hole of multiple position, and position, the hole tool setting of processing parts is treated by feeler block auxiliary electrode, aligning accuracy is high, easy and simple to handle, and clamp structure is simple, low cost of manufacture, substantially increases the efficiency of porous spark machined.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of preferred embodiment of the present invention upside-down mounting indexing fixture;
Fig. 2 is the structural representation of preferred embodiment of the present invention part to be processed;
Fig. 3 is the close-up schematic view at A place in Fig. 2.
Description of reference numerals:
1, body; 2, lining; 3, latch;
4, packing ring; 5, nut; 6, rhombus pin;
7, feeler block; 8, screw rod; 9, locating turntable; 10, exert a force screw rod.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The preferred embodiments of the present invention provide a kind of upside-down mounting indexing fixture, it carries out the clamping device of porous spark machined as part to be processed, with reference to Fig. 1, the present embodiment upside-down mounting indexing fixture comprises: for positioning supports body 1 and be located on body 1 for installing location part to be processed and driving part calibration to be processed to shift with the locating turntable 9 carrying out porous spark machined; Locating turntable 9 is connected with for exerting a force the force application mechanism driving it to rotate; Body 1 is provided with the retaining mechanism for locking positioning rotating disk 9; This upside-down mounting indexing fixture also comprises the feeler block 7 of position, the hole tool setting coordinating the electrode pair processed for auxiliary electric spark part to be processed with locating turntable 9.
The present embodiment by arranging for installing location part to be processed and driving described part calibration transfer to be processed with the locating turntable 9 carrying out porous spark machined on body 1, only need clamped one time to treat spark machined that processing parts carries out the position, hole of multiple position, and position, the hole tool setting of processing parts is treated by feeler block 7 auxiliary electrode, aligning accuracy is high, easy and simple to handle, and clamp structure is simple, low cost of manufacture, substantially increases the efficiency of porous spark machined.
As shown in Figure 2, its position, hole to be processed is with reference to Fig. 3 for the sectional view vertically of the present embodiment part to be processed.The end of the present embodiment locating turntable 9 is provided with for determining that the relative position of part to be processed or feeler block 7 and locating turntable 9 determines angle mechanism with what realize that angle locates, the present embodiment feeler block 7 be provided with determine that angle mechanism coordinates to tool bore.With reference to Fig. 1, it is the rhombus pin 6 be located on locating turntable 9 that the present embodiment determines angle mechanism, and this rhombus pin 6 may be used for the relative position relation determining part to be processed and feeler block 7 and locating turntable 9, realize angle location, and this angle location structure is compact.The present embodiment feeler block 7 is designed to detachable, is taking away extremely afterwards, do not affect the processing of part to be processed to complete electric discharge machining.
The present embodiment feeler block 7 is the axle with the consistent size of the location division that part to be processed matches with locating turntable 9.With reference to Fig. 2, the location division on the present embodiment part to be processed is as in Fig. 2 shown in B.By feeler block 7 being designed to the axle of the location division consistent size of part to be processed, and feeler block 7 being determined by rhombus pin 6 and locating turntable 9 position of tool bore, ensure that the precision of carrying out position, aft-loaded airfoil hole, tool setting location through feeler block 7.
The present embodiment body 1 comprises base plate and is located at the gripper shoe for supporting and location rotating disk 9 on base plate, and the link of boards of gripper shoe through longitudinally arranging is to base plate.Preferably, body 1 is Welding Structure, is welded by base plate, gripper shoe and two gussets.More preferably, gripper shoe is obliquely installed in the horizontal direction, is convenient to spark machined operation.
Alternatively, the outer of the present embodiment locating turntable 9 is equipped with external screw thread, and the tapped nut 5 of locating turntable 9 through being mated is strained with locking positioning in gripper shoe, thus the reliability of locating when guaranteeing processing operation.This syndeton is simple and reliable, and compact conformation.Preferably, the packing ring 4 for regulating the gap between locating turntable 9 and gripper shoe is provided with between gripper shoe and nut 5.Preferably, by packing ring 4 by the clearance control of locating turntable 9 and gripper shoe at 0.01 ~ 0.02mm, make fixture compact overall structure, precision is reliable.
Preferably, the present embodiment is arranged for locating turntable 9 being aligned the latch 3 be positioned on body 1 along the axis of locating turntable 9.By latch 3 being set to the axial alignment location locating turntable 9 along locating turntable 9, comparatively in locking radial location, the diameter of locating turntable 9 can being greatly reduced, thus make whole clamp structure compact, occupying little space.The present embodiment latch 3 is connected with the lining be located in gripper shoe by lining 2, will ensure to rotate flexibly in latch 3 indexing process in lining.
In the present embodiment, preferably, part to be processed is fixed to locating turntable 9 by himself the screw rod 8 of through hole through.It is simpler than traditional pressure plate structure that the present embodiment utilizes the hole of part to be processed itself to compress part to be processed by the end face of screw rod 8, more convenient operation.Preferably, screw rod 8 is designed to the screw rod of head with reticulate pattern, is fixed on locating turntable part 9 through the through hole on part to be processed, tightens as long as operator is manual.
With reference to Fig. 1, the present embodiment arranges force screw rod 10 on locating turntable part 9, is convenient to rotate conveniently in indexing process.
According to a further aspect in the invention, provide a kind of electric discharge machining method, the upside-down mounting indexing fixture of application above-described embodiment, comprising:
Clamping feeler block 7 on locating turntable 9, simulates the installation site of part to be processed;
Based on feeler block 7, adjustment electric discharge machining best correct position is also located;
Remove feeler block 7, part location to be processed is fixed on locating turntable 9;
The part to be processed that the electrode pair behind location is fixed on locating turntable 9 is adopted to carry out porous spark machined.
Can learn from above description, the present embodiment by arranging for installing location part to be processed and driving described part calibration transfer to be processed with the locating turntable 9 carrying out porous spark machined on body 1, only need clamped one time to treat spark machined that processing parts carries out the position, hole of multiple position, and position, the hole tool setting of processing parts is treated by feeler block 7 auxiliary electrode, aligning accuracy is high, easy and simple to handle, and clamp structure is simple, low cost of manufacture, substantially increases the efficiency of porous spark machined.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a upside-down mounting indexing fixture, it carries out the clamping device of porous spark machined as part to be processed, it is characterized in that,
Described upside-down mounting indexing fixture comprises: for positioning supports body (1) and be located on described body (1) for installing location part to be processed and driving the transfer of described part calibration to be processed with the locating turntable (9) carrying out porous spark machined;
Described locating turntable (9) is connected with for exerting a force the force application mechanism driving it to rotate;
Described body (1) is provided with the retaining mechanism for locking described locating turntable (9);
Also comprise the feeler block (7) coordinating position, the hole tool setting being used for part to be processed described in electrode pair that auxiliary electric spark processes with described locating turntable (9).
2. upside-down mounting indexing fixture according to claim 1, is characterized in that,
The end of described locating turntable (9) is provided with for determining that the relative position of described part to be processed or described feeler block (7) and described locating turntable (9) determines angle mechanism with what realize that angle locates, described feeler block (7) be provided with described determine that angle mechanism coordinates to tool bore.
3. upside-down mounting indexing fixture according to claim 2, is characterized in that,
Described feeler block (7) is the axle with the consistent size of the location division that described part to be processed matches with described locating turntable (9).
4. upside-down mounting indexing fixture according to claim 2, is characterized in that,
It is described that to determine angle mechanism be rhombus pin (6).
5. upside-down mounting indexing fixture according to claim 1, is characterized in that,
Described body (1) comprises base plate and is located at for supporting the gripper shoe of described locating turntable (9) on described base plate, and the link of boards of described gripper shoe through longitudinally arranging is to described base plate.
6. upside-down mounting indexing fixture according to claim 5, is characterized in that,
Described retaining mechanism comprises tapped nut (5), the outer of described locating turntable (9) is equipped with external screw thread, and described locating turntable (9) is strained through described tapped nut (5) with on locking positioning to described gripper shoe.
7. upside-down mounting indexing fixture according to claim 6, is characterized in that,
The packing ring (4) for regulating the gap between described locating turntable (9) and gripper shoe is provided with between described gripper shoe and described nut (5).
8. upside-down mounting indexing fixture according to claim 1, is characterized in that,
Axis along described locating turntable (9) arranges the latch (3) being used for being positioned to by described locating turntable (9) on described body (1).
9. upside-down mounting indexing fixture according to claim 1, is characterized in that,
Described part to be processed is fixed to described locating turntable (9) by himself the screw rod of through hole through.
10. an electric discharge machining method, is characterized in that, apply as arbitrary in claim 1 to 9 as described in upside-down mounting indexing fixture, comprising:
At the upper clamping feeler block (7) of locating turntable (9), simulate the installation site of part to be processed;
Based on described feeler block (7), adjustment electric discharge machining best correct position is also located;
Remove described feeler block (7), described part location to be processed is fixed on described locating turntable (9);
The part to be processed that the electrode pair behind location is fixed on described locating turntable (9) is adopted to carry out porous spark machined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510885969.6A CN105414690B (en) | 2015-12-04 | 2015-12-04 | Upside-down mounting indexing fixture and the electric discharge machining method based on it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510885969.6A CN105414690B (en) | 2015-12-04 | 2015-12-04 | Upside-down mounting indexing fixture and the electric discharge machining method based on it |
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| Publication Number | Publication Date |
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| CN105414690A true CN105414690A (en) | 2016-03-23 |
| CN105414690B CN105414690B (en) | 2018-01-12 |
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| CN201510885969.6A Active CN105414690B (en) | 2015-12-04 | 2015-12-04 | Upside-down mounting indexing fixture and the electric discharge machining method based on it |
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Cited By (4)
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| CN106180936A (en) * | 2016-07-29 | 2016-12-07 | 中国航空工业集团公司西安飞行自动控制研究所 | The double angle damping slot processing unit (plant) of a kind of valve plate |
| CN110000439A (en) * | 2019-04-22 | 2019-07-12 | 无锡市润和机械有限公司 | A kind of stator blade fan-shaped section component wire cutting tooling |
| CN111673216A (en) * | 2020-07-09 | 2020-09-18 | 湖南南方通用航空发动机有限公司 | Machining device and machining method for profile air inlet groove of integral impeller outer cover |
| CN112207373A (en) * | 2020-09-30 | 2021-01-12 | 杭州前进齿轮箱集团股份有限公司 | Inclined small hole machining method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106180936A (en) * | 2016-07-29 | 2016-12-07 | 中国航空工业集团公司西安飞行自动控制研究所 | The double angle damping slot processing unit (plant) of a kind of valve plate |
| CN110000439A (en) * | 2019-04-22 | 2019-07-12 | 无锡市润和机械有限公司 | A kind of stator blade fan-shaped section component wire cutting tooling |
| CN111673216A (en) * | 2020-07-09 | 2020-09-18 | 湖南南方通用航空发动机有限公司 | Machining device and machining method for profile air inlet groove of integral impeller outer cover |
| CN112207373A (en) * | 2020-09-30 | 2021-01-12 | 杭州前进齿轮箱集团股份有限公司 | Inclined small hole machining method |
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| Publication number | Publication date |
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| CN105414690B (en) | 2018-01-12 |
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Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |
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