CN105538096A - Blade tenon grinding fixture - Google Patents

Blade tenon grinding fixture Download PDF

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Publication number
CN105538096A
CN105538096A CN201510915448.0A CN201510915448A CN105538096A CN 105538096 A CN105538096 A CN 105538096A CN 201510915448 A CN201510915448 A CN 201510915448A CN 105538096 A CN105538096 A CN 105538096A
Authority
CN
China
Prior art keywords
blade
base plate
positioning
positioning seat
tenon
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.)
Granted
Application number
CN201510915448.0A
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Chinese (zh)
Other versions
CN105538096B (en
Inventor
张静
李展前
郭朗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AECC South Industry Co Ltd
Original Assignee
China National South Aviation Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China National South Aviation Industry Co Ltd filed Critical China National South Aviation Industry Co Ltd
Priority to CN201510915448.0A priority Critical patent/CN105538096B/en
Publication of CN105538096A publication Critical patent/CN105538096A/en
Application granted granted Critical
Publication of CN105538096B publication Critical patent/CN105538096B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/14Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies

Abstract

The invention discloses a blade tenon grinding fixture. The blade tenon grinding fixture comprises a baseplate achieving a support positioning effect; the upper surface of the baseplate serves as a mounting surface for mounting a blade to be machined; square boxes for auxiliary positioning are cast at a blade basin and a blade back of the blade to be machined; the mounting surface of the baseplate is a horizontally inclined angle surface; a positioning mechanism for clamping and positioning the square boxes is arranged on the mounting surface; and the baseplate is additionally provided with a drainage mechanism for guiding cooling liquid to a tenon of the positioned blade to be machined to reduce the grinding heat. As the mounting surface of the baseplate is designed as the horizontally inclined angle surface, the tenon symmetry center of the blade is conveniently adjusted in the machining process, and the prolonging of the service life of a formed grinding wheel is facilitated; and the drainage mechanism is arranged on the baseplate, so that the grinding heat is reduced, the quick positioning and clamping requirements are satisfied, the dimensional tolerance and the geometric tolerance of the grinded blade tenon reach the technical requirements, the reliability in the machining process is improved, and the service life of the formed grinding wheel for grinding is prolonged.

Description

Blade tenon clamp
Technical field
The present invention relates to blade of aviation engine manufacture field, especially, relate to a kind of blade tenon clamp.
Background technology
Existing blade of aviation engine manufacture field, needs grinding blade tenon part, reaches dimensional tolerance and form and position tolerance technical requirement.
Fixture in the past, the positioning and clamping in face all adopts plane, circular hole, external cylindrical surface, taper hole and general clamping device to realize.If desired the while of on same grinder fixture, two or more blades of positioning and clamping, then cause positioning and clamping structure more, and manufacturing cycle is long and difficulty of processing is large, and complicated integral structure, appearance and size is large.Meanwhile, when producing product, complex operation, the leading time is long, positioning action inconvenience.Therefore need a kind of special blade tenon clamp of design badly, to overcome the problems referred to above.
Summary of the invention
The invention provides a kind of blade tenon clamp, to solve location inconvenience that the loaded down with trivial details and complex structure of existing blade tenon grinding and clamping positioning action causes and process-cycle long technical problem.
The technical solution used in the present invention is as follows:
A kind of blade tenon clamp, comprise the base plate of supporting and location effect, the upper surface of base plate is as the installed surface installing blade to be processed, the leaf basin of blade to be processed and the casting of blade back place are used for the square box of auxiliary positioning, the installed surface of base plate is the angle faces of horizontal tilt, installed surface is arranged the detent mechanism being used for clamping position square box, the drainage mechanism reducing grinding heat sentenced by tenon base plate is also provided with for cooling fluid being guided to the blade to be processed behind location.
Further, detent mechanism comprises:
Locating piece, is connected to installed surface, for the lower surface of positioning supports square box;
Locating part, is located on base plate, for locating the sidewall of square box;
Briquetting, is located on base plate, for the upper surface of pressing square casing.
Further, locating part comprises the first positioning seat be fixedly arranged on base plate, the second positioning seat, and the first positioning seat and the second positioning seat interval are oppositely arranged,
The region of locating piece between the first positioning seat and the second positioning seat, the upper end of the first positioning seat is provided with the pressing plate be rotationally connected with on the first positioning seat, and the other end of pressing plate is connected through the upper end of locking member with the second positioning seat;
Briquetting is connected on pressing plate through regulating the governor motion of its vertical height.
Further, governor motion is adjustment screw, pressing plate is offered the locating hole coordinated with adjustment screw.
Further, locating part also comprises and is connected to base plate with the side limited block of limited block, side wall surface after the rear end face of locating square box through alignment pin.
Further, the end cylindrical of alignment pin is the location bulb of knurling structure, is provided with the spring for making location bulb have self-adaptative adjustment ability in alignment pin, and limited block is provided with and the installing hole of locating bulb and coordinating.
Further, installed surface is provided with the flat key for auxiliary positioning, and locating piece makes the baseplane of locating piece coordinate with installed surface through flat key.
Further, drainage mechanism is the drainage block be fixedly arranged on base plate, drainage block is offered for guiding cooling fluid to the drainage channel at the tenon place of blade to be processed.
Further, the detent mechanism that base plate is arranged and drainage mechanism are many groups, with while positioning clamping multiple blade to be processed.
The present invention has following beneficial effect:
The present invention is first used for the square box of auxiliary positioning at blade and blade basin to be processed and the casting of blade back place, simplify the Structural Design Requirement of fixture, and by the installed surface of base plate being designed to the angle faces of horizontal tilt, the tenon symmetrical centre of convenient adjusting vane in process, contribute to the service life of improving forming grinding wheel, and by arranging drainage mechanism on base plate, guide cooling fluid to blade tenon, reduce grinding heat, not only meet the requirement of quick position clamping, after meeting blade tenon grinding, dimensional tolerance and form and position tolerance reach technical requirement, and improve the reliability of process and the service life of grinding forming grinding wheel.
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 after preferred embodiment of the present invention blade casting square box to be processed;
Fig. 2 is the cross-sectional view of preferred embodiment of the present invention blade tenon clamp;
Fig. 3 is the schematic side view of preferred embodiment of the present invention blade tenon clamp;
Fig. 4 is the schematic top plan view of preferred embodiment of the present invention blade tenon clamp;
Fig. 5 is the structural representation of preferred embodiment of the present invention alignment pin.
Description of reference numerals:
10, base plate; 11, flat key;
20, square box;
30, locating piece;
41, the first positioning seat; 42, the second positioning seat; 43, pressing plate; 44, briquetting;
45, straight pin; 46, adjustment screw; 47, bolt; 48, nut;
50, rear limited block;
60, alignment pin; 61, bulb is located; 62, spring;
70, drainage mechanism; 80, side limited block.
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 blade tenon clamp, for quick position clamping blade to be processed, reach the object of technical requirement with dimensional tolerance after meeting blade tenon grinding and form and position tolerance.With reference to Fig. 1, the present embodiment blade to be processed at its leaf basin and blade back place casting square box 20, auxiliary positioning during for clamping.With reference to Fig. 2 to Fig. 4, the present embodiment blade tenon clamp has comprised the base plate 10 of supporting and location effect, the upper surface of base plate 10 is as the installed surface installing blade to be processed, the leaf basin of the present embodiment blade to be processed and the casting of blade back place are used for the square box 20 of auxiliary positioning, the installed surface of base plate 10 is the angle faces of horizontal tilt, installed surface is arranged the detent mechanism being used for clamping position square box 20, the drainage mechanism 70 reducing grinding heat sentenced by tenon base plate 10 is also provided with for cooling fluid being guided to the blade to be processed behind location.
The present embodiment is first used for the square box 20 of auxiliary positioning at blade and blade basin to be processed and the casting of blade back place, simplify the Structural Design Requirement of fixture, and by the installed surface of base plate 10 being designed to the angle faces of horizontal tilt, the tenon symmetrical centre of convenient adjusting vane in process, contribute to the service life of improving forming grinding wheel, and by arranging drainage mechanism on base plate, guide cooling fluid to blade tenon, reduce grinding heat, not only meet the requirement of quick position clamping, after meeting blade tenon grinding, dimensional tolerance and form and position tolerance reach technical requirement, and improve the reliability of process and the service life of grinding forming grinding wheel.
The present embodiment detent mechanism adopts facet location, many places, and briquetting compresses the quick position clamping realizing treating machining blade.With reference to Fig. 2, the present embodiment detent mechanism comprises: locating piece 30, is connected to installed surface, for the lower surface of positioning supports square box 20; Locating part, is located on base plate 10, for locating the sidewall of square box 20; Briquetting 44, is located on base plate 10, for the upper surface of pressing square casing 20.
Preferably, the present embodiment locating part comprises the first positioning seat 41, second positioning seat 42 be fixedly arranged on base plate 10, first positioning seat 41 and the second positioning seat 42 interval are oppositely arranged, the region of locating piece 30 between the first positioning seat 41 and the second positioning seat 42, the upper end of the first positioning seat 41 is provided with the pressing plate 43 be rotationally connected with on the first positioning seat 41, and the other end of pressing plate 43 is connected through the upper end of locking member with the second positioning seat 42; Briquetting 44 is connected on pressing plate 43 through regulating the governor motion of its vertical height.With reference to Fig. 2, in the present embodiment, pressing plate 43 is rotationally connected through straight pin 45 and the first positioning seat 41, and the first positioning seat 41, second positioning seat 42 is all fixed on base plate 10 through screw, and pressing plate 43 is locked on the second positioning seat 42 through bolt 47, nut 48.Preferably, bolt 47 is rotationally connected on the second positioning seat 42 through latch cooperation.Locating hole offered by pressing plate 43, and briquetting 44 is fixed on pressing plate 43 after adjustment screw 46 this locating hole through.Preferably, adjustment screw 46 is hexagon socket cap head screw, and the convenient height regulating briquetting 44 through it, with the upper surface of firm pressing square casing 20.
Preferably, firmly clamp to treat machining blade, ensure the required precision of grinding, with reference to Fig. 4, the locating part of the present embodiment fixture also comprises and is connected to base plate 10 with the side limited block 80 of limited block 50, side wall surface after the rear end face of locating square box 20 through alignment pin 60.
Preferably, for the ease of installing and dismantling each limited block, the present embodiment alignment pin 60 as shown in Figure 5, its end cylindrical is the location bulb 61 of knurling structure, be provided with the spring 62 for making location bulb 61 have self-adaptative adjustment ability in alignment pin 60, limited block is provided with and the installing hole of locating bulb 61 and coordinating.The excircle dimension being dimensioned slightly smaller than location bulb 61 of this installing hole, therefore during installation, only alignment pin 60 need be pressed into corresponding installing hole, after press-in, alignment pin 60 there will not be loosening or obscission.And design spring 62 in alignment pin 60, location bulb 61 can be made movable within the specific limits, therefore location bulb 61 can regulate compressing component automatically, without the need to other any operation, simplifies positioning action process.
In the present embodiment, with reference to Fig. 3, installed surface is provided with the flat key 11 for auxiliary positioning, and locating piece 30 makes the baseplane of locating piece 30 coordinate with installed surface through flat key 11.Preferably, the present embodiment installed surface is designed to the angle faces that angle of inclination a is 10 °, is 10 °, greatly improves the service life of forming grinding wheel with adjusting vane tenon symmetrical centre face.The present embodiment drainage mechanism 70, for being fixedly arranged on the drainage block on base plate 10, drainage block is offered for guiding cooling fluid to the drainage channel at the tenon place of blade to be processed.
Preferably, the detent mechanism that the present embodiment base plate 10 is arranged and drainage mechanism 70 be many groups, with while positioning clamping multiple blade to be processed, raising grinding efficiency.
Adopt the present embodiment blade tenon clamp, greatly simplifie and treat the operation that machining blade carries out quick despatch operation.Detailed process is as follows:
1, unscrew nut 48, adjusting bolt 47 makes it be in level;
2, around straight pin 45 rotary pressure plate 43, briquetting 44 to vertical state;
3, the tram of the blade after casting square box 20 to fixture is extruded, through front and back and the face, left and right of the automatic positioning compression square box of alignment pin 60;
4, successively by the 2nd step, the 1st step contrary operation, the positioning compression of square box 20 top and bottom is finally completed.
Preferably, after the grinding well of blade tenon one end, unload lower square box and blade thereof and rotate 180 °, being installed on grinding tool in the same way again, can grinding tenon other end.
Than fixture in the past, the present embodiment fixture achieves the accurate of product parts and quick position, easy to operate, and meet the precision of the rear product of processing, manufacture fixture simple, the cycle is short.Use fixture is convenient and reliable, reduces the Operational preparation time, reduces labour intensity, for postorder processing and test provide reliable guarantee.
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 (9)

1. a blade tenon clamp, comprise the base plate (10) of supporting and location effect, the upper surface of described base plate (10) is as the installed surface installing blade to be processed, the leaf basin of described blade to be processed and the casting of blade back place are used for the square box (20) of auxiliary positioning, it is characterized in that
The installed surface of described base plate (10) is the angle faces of horizontal tilt, described installed surface is arranged the detent mechanism being used for square box (20) described in clamping position, on described base plate (10), the drainage mechanism (70) reducing grinding heat sentenced by the tenon be also provided with for cooling fluid being guided to the blade described to be processed behind location.
2. blade tenon clamp according to claim 1, is characterized in that, described detent mechanism comprises:
Locating piece (30), is connected to described installed surface, for the lower surface of square box described in positioning supports (20);
Locating part, is located on described base plate (10), for locating the sidewall of described square box (20);
Briquetting (44), is located on described base plate (10), for compressing the upper surface of described square box (20).
3. blade tenon clamp according to claim 2, is characterized in that,
Described locating part comprises the first positioning seat (41) be fixedly arranged on base plate (10), the second positioning seat (42), and described first positioning seat (41) and described second positioning seat (42) interval are oppositely arranged,
Described locating piece (30) is positioned at the region between described first positioning seat (41) and described second positioning seat (42), the upper end of described first positioning seat (41) is provided with the pressing plate (43) be rotationally connected with on described first positioning seat (41), and the other end of described pressing plate (43) is connected through the upper end of locking member with described second positioning seat (42);
Described briquetting (44) is connected on described pressing plate (43) through regulating the governor motion of its vertical height.
4. blade tenon clamp according to claim 3, is characterized in that,
Described governor motion is adjustment screw, described pressing plate (43) is offered the locating hole coordinated with described adjustment screw.
5. blade tenon clamp according to claim 4, is characterized in that,
Described locating part also comprises and is connected to described base plate (10) with the side limited block (80) of limited block (50), side wall surface after the rear end face of locating described square box (20) through alignment pin (60).
6. blade tenon clamp according to claim 5, is characterized in that,
The end cylindrical of described alignment pin (60) is the location bulb (61) of knurling structure, be provided with the spring (62) for making described location bulb (61) have self-adaptative adjustment ability in described alignment pin (60), described limited block (50) is provided with the installing hole coordinated with described location bulb (61).
7. blade tenon clamp according to claim 2, is characterized in that,
Described installed surface is provided with the flat key (11) for auxiliary positioning, and described locating piece (30) makes the baseplane of described locating piece (30) coordinate with described installed surface through described flat key (11).
8. blade tenon clamp according to claim 1, is characterized in that,
Described drainage mechanism (70), for being fixedly arranged on the drainage block on described base plate (10), described drainage block is offered for guiding cooling fluid to the drainage channel at the tenon place of described blade to be processed.
9., according to the arbitrary described blade tenon clamp of claim 1 to 8, it is characterized in that,
The described detent mechanism that described base plate (10) is upper to be arranged and described drainage mechanism (70) are many groups, with while positioning clamping multiple blade to be processed.
CN201510915448.0A 2015-12-10 2015-12-10 Blade tenon clamp Active CN105538096B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510915448.0A CN105538096B (en) 2015-12-10 2015-12-10 Blade tenon clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510915448.0A CN105538096B (en) 2015-12-10 2015-12-10 Blade tenon clamp

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Publication Number Publication Date
CN105538096A true CN105538096A (en) 2016-05-04
CN105538096B CN105538096B (en) 2018-11-27

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106002619A (en) * 2016-06-23 2016-10-12 重庆江增船舶重工有限公司 Turbine blade tenon tooth machining blade positioning device
CN106737011A (en) * 2016-11-25 2017-05-31 沈阳黎明航空发动机(集团)有限责任公司 The crown processing unit (plant) and method of a kind of low-pressure turbine blade
CN111702536A (en) * 2020-06-30 2020-09-25 中国航发动力股份有限公司 Positioning device
CN112296814A (en) * 2020-10-10 2021-02-02 南京航空航天大学 Clamping platform for forming and grinding machining of mortise of integral turbine disc and operation process of clamping platform

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2506390Y (en) * 2001-10-16 2002-08-21 朱淮宝 Climp for drilling plate material
CN201109035Y (en) * 2007-09-24 2008-09-03 沈阳黎明航空发动机(集团)有限责任公司 Special-purpose fixture
CN201907047U (en) * 2010-11-01 2011-07-27 株洲南方燃气轮机成套制造安装有限公司 Clamp for turbine blade and grinding machine comprising same
CN102773716A (en) * 2012-07-23 2012-11-14 太仓市旭达机械设备有限公司 Worktable for processing cylinders
CN202607465U (en) * 2011-11-10 2012-12-19 中国南方航空工业(集团)有限公司 Engine blade positioning clamp
CN203495759U (en) * 2013-10-29 2014-03-26 宁波市鄞州大兴非标设备制造厂 Square workpiece clamp for grinding
CN103878608A (en) * 2014-01-30 2014-06-25 无锡透平叶片有限公司 Clamp used for processing aviation thin-wall blade pitch
CN203863517U (en) * 2014-06-20 2014-10-08 哈尔滨汽轮机厂有限责任公司 Special fixture for V-grooves of grinding broaches
CN104128810A (en) * 2014-07-23 2014-11-05 中国人民解放军第五七一九工厂 Turbine blade molded surface repairing clamp
JP2015205351A (en) * 2014-04-17 2015-11-19 株式会社ディスコ Grinding device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2506390Y (en) * 2001-10-16 2002-08-21 朱淮宝 Climp for drilling plate material
CN201109035Y (en) * 2007-09-24 2008-09-03 沈阳黎明航空发动机(集团)有限责任公司 Special-purpose fixture
CN201907047U (en) * 2010-11-01 2011-07-27 株洲南方燃气轮机成套制造安装有限公司 Clamp for turbine blade and grinding machine comprising same
CN202607465U (en) * 2011-11-10 2012-12-19 中国南方航空工业(集团)有限公司 Engine blade positioning clamp
CN102773716A (en) * 2012-07-23 2012-11-14 太仓市旭达机械设备有限公司 Worktable for processing cylinders
CN203495759U (en) * 2013-10-29 2014-03-26 宁波市鄞州大兴非标设备制造厂 Square workpiece clamp for grinding
CN103878608A (en) * 2014-01-30 2014-06-25 无锡透平叶片有限公司 Clamp used for processing aviation thin-wall blade pitch
JP2015205351A (en) * 2014-04-17 2015-11-19 株式会社ディスコ Grinding device
CN203863517U (en) * 2014-06-20 2014-10-08 哈尔滨汽轮机厂有限责任公司 Special fixture for V-grooves of grinding broaches
CN104128810A (en) * 2014-07-23 2014-11-05 中国人民解放军第五七一九工厂 Turbine blade molded surface repairing clamp

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106002619A (en) * 2016-06-23 2016-10-12 重庆江增船舶重工有限公司 Turbine blade tenon tooth machining blade positioning device
CN106737011A (en) * 2016-11-25 2017-05-31 沈阳黎明航空发动机(集团)有限责任公司 The crown processing unit (plant) and method of a kind of low-pressure turbine blade
CN111702536A (en) * 2020-06-30 2020-09-25 中国航发动力股份有限公司 Positioning device
CN112296814A (en) * 2020-10-10 2021-02-02 南京航空航天大学 Clamping platform for forming and grinding machining of mortise of integral turbine disc and operation process of clamping platform

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