CN208163100U - Compressor stator blade mills blade profile chuck mechanism - Google Patents

Abstract

The utility model relates to a kind of compressor stator blades to mill blade profile chuck mechanism, including clamper main body, and clamper main body is equipped with horizontal through-hole, through-hole slidable connection collet chuck；Collet chuck one end is placed in through-hole, the other end face is equipped with recessed holding holes and clamps axle journal with the technique for accommodating blade, the side wall of holding holes is distributed along the circumference with several resignings through wall thickness and slots, it is axially extending along collet chuck and the end face of holding holes one end is equipped with through collet chuck, and it is in the bell mouth shape of flaring so that collet chuck closes up towards small realize of the beam for being equipped with holding holes one end outer wall to collet chuck by through-hole when sliding in through-hole so that the blade production that clamping is placed in holding holes clamps axle journal that collet chuck, which is equipped with the outer wall of holding holes one end,.The utility model clamps blade production by collet chuck and clamps axle journal, is always ensured that with the axis of holding holes, centering precision is high, and consistency is good for centering machining benchmark；Distorting stress will not be generated, the torsional deflection of blade profile after processing is reduced.

Description

Compressor stator blade mills blade profile chuck mechanism

Technical field

The utility model belongs to the technical field of the part of lathe, component or attachment, and in particular to a kind of Profile For Compressor Stator Blade mills blade profile chuck mechanism.

Background technique

In recent years, space shuttle manufacturing field is advanced by leaps and bounds, especially in aircraft engine field, from traditional turbine Jet engine gradually develops to turbofan engine.The birth of every generation type aircraft engine, compressor blade Improvement and development be it is most important change one of.Requirement with the increase of fanjet thrust ratio, to air compression ratio Also higher and higher, just more stringent requirements are proposed for performance quiet to compressor, rotor blade for this, needs to design new high property Can, the blade of high compression ratio or the manufacture level that existing structure blade is continuously improved, especially raising blade type face, intake and exhaust side R, The manufacture level at the influence such as surface luminous intensity aeroperformance position.Compressor includes on the stator blade and shaft being arranged in casing Rotor blade, stator blade and rotor blade successively arrange, and stator blade plays rectification diffusion between two layers of rotor blade Effect.

Traditional compressor stator blade processing is numerical control finish-milling blade type face on rotary table in machining center, in leaf The both ends design of piece have technique clamping axle journal in order to clamp behind the clamping position of both ends can disposable finish-milling entire blade type face, the work Skill clamping axle journal is also used as the clamping position of following process, detection.Traditional milling blade profile fixture design, clamps axis for one end technique The periphery of neck carries out positioning and clamping using V-block, and other end technique clamping axle journal then directly holds out against it using top form The center hole of end face（Part fixture is held herein also to be clamped using V-block）, since blade type face has been subjected to roughing and at one end Technique clamping axle journal on be preset with two parallel angular positioning surfaces, so simultaneously will also be using angular positioning screw to blade The circumferential positioning and clamping that carries out is to guarantee that there are enough allowances for finish in entire blade type face.

Traditional fixture design method has the following disadvantages：

1) small to the support force chucking power in blade profile process by the way of top hold out against, rigidity after blade clamping Poor, there are biggish deformations after processing；

2) V-block, top centering precision be not high, and meeting relative theory position glances off after blade clamping, causes to process Blade profile size it is unstable, consistency is poor；

3) direction of angular positioning compression power and the direction of V-block pressing force completely the same need to just can guarantee that blade is not subject to Torsional moment, and the clamp precision and use process actually manufactured is all difficult to meet this point, causes blade profile to generate different degrees of Torsional deflection；

4) V-block influences positioning accuracy and repetitive positioning accuracy after abrasion is used for a long time；

5) V-block clamping is easy to weigh axle journal wounded, influences the precision of rear process clamping processing.

Summary of the invention

For the above-mentioned deficiency of the prior art, the technical problem to be solved by the present invention is to provide a kind of Profile For Compressor Stators Blade mills blade profile chuck mechanism, avoids the problem that poor rigidity, centering precision be not high, there are distorting stresses after blade clamping, obtains Effective position clamps blade, and positioning accuracy is high, and not easy to wear and abrasion will not influence the effect of positioning clamping precision.

In order to solve the above technical problems, the utility model adopts the following technical solution：

Compressor stator blade mills blade profile chuck mechanism, including clamper main body, and the clamper main body is equipped with horizontal through-hole, The through-hole slidable connection has collet chuck；One end of the collet chuck is placed in the through-hole, and the end face of the other end is equipped with recessed Holding holes clamp axle journal with the technique for accommodating blade, the side wall of the holding holes circumferentially equal part be evenly equipped with it is several through wall Thick resigning fluting, the fluting of stepping down is equipped with the end face of holding holes one end along the axially extending of collet chuck and through collet chuck, described Collet chuck be equipped with the outer wall of holding holes one end in flaring bell mouth shape so that collet chuck towards passing through through-hole when sliding in the through-hole It closes up small realize of beam that collet chuck is equipped with holding holes one end outer wall so that clamping the technique being placed in holding holes clamps axle journal.

The utility model cooperates collet chuck by clamper main body to implement the clamping that the technique of blade clamps axle journal, is always ensured that It is centering machining benchmark with the axis of holding holes, centering precision is high, and consistency is good；Pass through through-hole pair when collet chuck is slided into through-hole Small realize of the beam of the external wall section of flaring closes up to clamp the blade production being placed in holding holes clamping axle journal on collet chuck, will not produce Raw distorting stress, reduces the torsional deflection of blade profile after processing；In use, using opposite point of chuck mechanism of two the utility model Not Jia Chi both ends of the blade technique clamp axle journal, collet chuck slide close up clamp while blade can be made by centainly towards both ends Pretension, improve the rigidity in blade profile process, effectively reduce machining deformation, guarantee processing dimension；Collet chuck and through-hole Contact surface with blade production clamping axle journal is circumferential contact, and circumferential uniform wear entire in this way will not influence to blade work Skill clamps the centering clamp precision of axle journal, and chuck mechanism long service life, preservation & testing gap periods are long, facilitate continuous production； The contact surface of collet chuck holding holes inner wall and blade production clamping axle journal is circumferential face contact, axle journal will not be weighed wounded, after being effectively ensured The precision of process clamping processing；When it is implemented, the sliding driving force of collet chuck can pass through telescopic cylinder, hydraulic bar or mechanical biography It moves to provide.

Above-mentioned technical proposal is further improved, clamper main body is radially provided with perforative angular location hole along the through-hole, The angular location hole is formed as two sections of the radially opposite sides positioned at the through-hole, corresponds on the side wall of the holding holes described The circumferential position of two sections of angular location holes offers two through slots axially extending along holding holes, described two sections angular positioning holes point It is not slidably mounted angular locating piece, the angular locating piece is axis structure corresponding with angular location hole, described angular Locating piece passes through the through slot towards one end of through-bore axis and is formed in the holding holes through two angular locating pieces pair Top clip holds preset two parallel angular positioning surfaces on the blade production clamping axle journal being placed in holding holes to realize the week of blade To positioning.

In this way, effectively implementing the circumferentially positioned of blade, guarantee that entire blade type face there are enough allowances for finish；Together When the positioning clamping force that applies of angular locating piece be the radial power of axle journal to be clamped along blade production, and the clamping force of collet chuck is edge Blade production clamps the axial power of axle journal, eliminates a possibility that causing blade to bear torsional moment, greatly reduces blade torsion Change shape；When it is implemented, two angular locating pieces to top clip hold with unclamp it is preset two parallel on blade production clamping axle journal The driving force of angular positioning surface can be provided by connection cylinder, hydraulic bar or mechanical structure.

Further, the angular location hole is equipped with coaxial step macropore far from one end of the through-hole, described Angular locating piece is Step Shaft corresponding with the angular location hole and step macropore, fluting of the through slot along holding holes circumferential direction Width is corresponding with the diameter of the angular location hole；The step macropore is equipped with internal screw thread far from one end of the through-hole and passes through The internal screw thread be connected with angular hold-down bolt with provide angular locating piece to top clip holding force.

In this way, step macropore is arranged to provide angular locating piece to the embodiment of top clip holding force by mechanical structure Purpose, first is that making simultaneously to guarantee that angular hold-down bolt has enough intensity to provide for angular locating piece to top clip holding force The diameter of angular location hole can be relatively small, the also just smaller intensity to guarantee collet chuck of the through slot width on corresponding collet chuck, Second is that making the corresponding Step Shaft form of angular locating piece, after dismantling blade, it can avoid angular locating piece and fall in holding holes, As it can be seen that the angular locating piece of either side and angular hold-down bolt can be connected as one, collet from the point of view of being easy to use Main body rotate to blade load and unload position when, be located above integrated angular locating piece and angular hold-down bolt, in this way, unclamp two corners After to the holding to top clip of locating piece, the angular locating piece of top is just moved up with angular hold-down bolt, and avoids it with self weight Fall and under the influence of blade production clamping axle journal loading, and the angular locating piece of the other side and angular hold-down bolt are located at Lower section, even separate structure, the angular locating piece of the side is the axis of separate through-hole with lower backwardnesss of being self-possessed, will not under the influence of The loading of one blade production clamping axle journal；The angular locating piece of separate structure and the benefit of angular hold-down bolt are the angles of light wall Can be smaller relative to the gap being threadedly engaged to the sliding conjunction gap of locating piece and angular location hole, the oscillating quantity of angular locating piece It is small to be more advantageous to the circumferentially positioned consistency of blade.

Further, the collet chuck is equipped with flange, the diameter of the flange and institute far from the end face of holding holes one end The corresponding concentricity to prevent from shaking and guaranteeing collet chuck and through-hole of through-hole is stated, the collet chuck is equipped with the end face diameter of holding holes one end Greater than the diameter of the through-hole.

In this way, one end of collet chuck by flange guarantee with the concentricity of through-hole, the other end during beam small closing in from The concentricity of dynamic reform guarantee and through-hole, the axis of entire collet chuck are overlapped height with the position degree of through-bore axis, are further ensured that leaf The clamping centering precision of blade technolgy clamping axle journal.

Further, the through-hole close to described holding holes one end inner wall in flaring bell mouth shape with on collet chuck gradually The external wall section of expansion is corresponding convenient for closing in.

In this way, making the small cuffs contact face contact of beam of the external wall section of flaring on through-hole and collet chuck, collet chuck deformation is closed up Stress surface is bigger, and be conducive to close up the abrasion for clamping, and reducing the position that contacts with each other.

Further, clamper main body close to the end face of described holding holes one end be equipped with annular dome coaxial with the through hole with The axially position to realize blade is abutted against with the end face of the raised shaft shoulder on the blade production clamping axle journal that is placed in holding holes, The interior circular diameter of the annular dome be greater than the collet chuck be equipped with the end face diameter of holding holes one end on collet chuck flaring it is outer Wall section is stepped down.

In this way, can effectively implement the axially position of blade so that blade is in complete positioning states, positioning accuracy is high, and It does not influence, interfere clamping of the collet chuck to blade production clamping axle journal, the protrusion length of annular dome is greater than collet chuck and protrudes from collet The length of the main body end end face withholds out sufficient stroke to the slip clamp of collet chuck.

Further, the collet chuck is equipped with the screw rod coaxial with collet chuck far from the end face of holding holes one end and passes through the spiral shell Bar connection inner hole be the turbine of correspondence threaded hole, and the turbine is coaxial with collet chuck and is rotatably placed in the through-hole, and described Turbine is connected with scroll bar, and the scroll bar is rotatably placed in the worm screw mounting hole on clamper main body.

In this way, being rotated by scroll bar to provide the embodiment that collet chuck slides driving force by machine driving and driving turbine Rotation, collet chuck are turned by angular locating piece system, turbine rotation, and threaded hole makes the screw rod of collet chuck axially movable to realize collet chuck Sliding in clamper main body through-hole, forward and reverse rotation scroll bar can make collet chuck respectively correspond realization to blade production clamping axle journal Clamp or release.

Further, spacer pin is equipped on the clamper main body to limit the axial movement of turbine, the clamper main body On be equipped with positioning pin to limit axial movement of the scroll bar along its own.

In this way, it is ensured that the transmission that is linked of worm screw turbine, and guarantee that turbine promotes collet chuck in clamper main body through-hole The screw-driven of sliding.

Compared with prior art, the utility model has the advantages that：

1, the utility model clamps blade production by collet chuck and clamps axle journal, is always ensured that with the axis of holding holes as centering Machining benchmark, centering precision is high, and consistency is good；Distorting stress will not be generated, the torsional deflection of blade profile after processing is reduced.

2, axle journal is clamped using the technique that the chuck mechanism of two the utility model clamps both ends of the blade respectively, it is sliding in collet chuck Dynamic close up makes blade by centainly towards the pretension at both ends, improving the rigidity in blade profile process, have while clamping Effect reduces machining deformation, guarantees processing dimension.

3, the contact surface of the utility model collet chuck holding holes inner wall and blade production clamping axle journal is circumferential face contact, will not It weighs axle journal wounded, the precision of rear process clamping processing is effectively ensured.

Detailed description of the invention

Fig. 1-the utility model specific embodiment structural schematic diagram；

The design of part schematic diagram of collet chuck in Fig. 2-the utility model specific embodiment；

Fig. 3-is equipped with the clamp structure schematic diagram of the utility model specific embodiment chuck mechanism；

The preferred structure schematic diagram of angular locating piece in Fig. 4-the utility model specific embodiment；

The top view of Fig. 5-Fig. 4；

Wherein, chuck mechanism 1, clamper main body 11, through-hole 12, angular location hole 13, step macropore 14, angular locating piece 15, cylindrical section 151, angular positioning axis body 152, angular hold-down bolt 16, annular dome 17,

Collet chuck 2, holding holes 21, fluting 22 of stepping down, bell mouth shape 23, flange 24, screw rod 25, through slot 26,

Turbine 3, scroll bar 31,

Lathe connects table top 4, positioning pin 41, fastener 42, ring flange 43, HSK interface 431, clamp body 44, four axis turntables 45, tailstock 46,

Blade 5, technique clamp axle journal 51, angular positioning surface 52, the shaft shoulder 53.

Specific embodiment

Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.

Referring to Fig. 1, Fig. 2, the compressor stator blade of the utility model specific embodiment mills blade profile chuck mechanism, including folder Head main body 11, the clamper main body 11 are equipped with horizontal through-hole 12, and 12 slidable connection of through-hole has columned collet chuck 2； One end of the collet chuck 2 is placed in the through-hole 12, and the end face of the other end is equipped with the recessed holding holes with 2 wall coaxial of collet chuck 21 clamp axle journal 51 with the technique for accommodating blade 5, and circumferentially equal part is evenly equipped with several pass through on the side wall of the holding holes 21 The resigning fluting 22 of side wall wall thickness is worn, the resigning fluting 22 is equipped with holding holes 21 along the axially extending of collet chuck 2 and through collet chuck 2 The end face of one end, the collet chuck 2 be equipped with the outer wall of 21 one end of holding holes in flaring bell mouth shape 23 so that collet chuck 2 towards described The small realization of the beam for being equipped with 21 one end outer wall of holding holes to collet chuck 2 by through-hole 12 when sliding in through-hole 12 closes up to clamp and be placed in Technique in holding holes 21 clamps axle journal 51.In this way, being always ensured that with the axis of holding holes 21 as centering machining benchmark, centering essence Degree is high, and consistency is good.

Wherein, the collet chuck 2 far from 21 one end of holding holes end face be equipped with flange 24, the diameter of the flange 24 with The through-hole 12 is corresponding to prevent collet chuck 2 from shaking and guarantee the concentricity of collet chuck 2 Yu through-hole 12, and the collet chuck 2 is equipped with holding holes The end face diameter of 21 one end is greater than the diameter of the through-hole 12, with guarantee and the through-hole of reforming automatically during closing in small by beam 12 concentricity is to guarantee that technique clamps the clamping centering precision of axle journal 51；In the present embodiment, the through-hole 12 is close to clamping The inner wall of 21 one end of hole is also in the bell mouth shape of flaring with corresponding with the external wall section of flaring on collet chuck 2, convenient for the closing in of collet chuck 2, In this way, the small cuffs contact of beam of the external wall section of flaring is face contact on through-hole 12 and collet chuck 2, the stress surface that collet chuck 2 closes up is bigger, It is clamped conducive to closing up, and reduces the abrasion at the position that contacts with each other.

Wherein, the collet chuck 2 is equipped with the screw rod 25 coaxial with collet chuck 2 far from the end face of 21 one end of holding holes and passes through described Screw rod 25 connects the turbine 3 that inner hole is corresponding threaded hole, and the turbine 3 is coaxial with collet chuck 2 and is rotatably placed in the through-hole 12 It is interior, it is connected with scroll bar 31 with the turbine 3, the axis of the scroll bar 31 is vertical with the turbine 3 and is rotatably placed in folder In worm screw mounting hole in head main body 11；Spacer pin is equipped on the clamper main body 11（It is not shown in the figure）To limit turbine 3 Along the axial movement of its own, positioning pin is also equipped on the clamper main body 11（It is not shown in the figure）To limit scroll bar 31 along it The axial movement of itself.In this way, providing the driving force that collet chuck 2 slides by mechanical drive mode, is rotated and driven by scroll bar 31 Turbine 3 rotates, and collet chuck 2 by angular locating piece 15 system because being turned, and turbine 3 rotates, and internal thread hole makes the screw rod 25 of collet chuck 2 along axial direction To realize sliding of the collet chuck 2 in through-hole 12, forward and reverse rotation scroll bar 31 can make collet chuck 2 respectively correspond realization to work for movement The clamp or release of skill clamping axle journal 51.

It include opposite set to install the clamp structure that above-mentioned compressor stator blade mills blade profile chuck mechanism referring to Fig. 3 Two chuck mechanisms 1 set clamp axle journal 51 with the technique for clamping 5 both ends of blade respectively.Wherein, a clamper main body 11 is far from clamping The one end in hole 21 passes through positioning pin 41 and 42 mounting flange 43 of fastener and passes through the HSK interface 431 and machine on ring flange 43 Four axis turntables 45 connection on bed connection table top 4, another clamper main body 11 pass through 41 He of positioning pin far from one end of holding holes 21 42 mounting flange 43 of fastener simultaneously connect the connection of the tailstock 46 on table top 4 with lathe by ring flange 43；In this way, two collet machines Structure 1 will not generate distorting stress when clamping blade 5, avoid 5 torsional deflection of blade；Also make blade 5 by one while clamping The fixed pretension towards both ends improves the part rigidity in blade profile process.In the present embodiment, in use, four axis turntables 45 and tailstock 46 be to be independently mounted on lathe, in process, machine motor drives that four axis turntables 45, tailstock 46 is around lathe X Axis rotation, while driving 5 synchronous rotary of collet 1 and blade, when workpiece loading and unloading, tailstock 46 can individually along lathe X-axis move so as to In the handling of blade 5.

Referring to Fig. 1, Fig. 3, the clamper main body 11 connecting with four axis turntables 45 is radially provided with perforative angle along its through-hole 12 To location hole 13, the angular location hole 13 is formed as two sections positioned at 12 radially opposite sides of through-hole, the angular location hole 13 one end far from the through-hole 12 are equipped with coaxial step macropore 14, correspond on the side wall of the holding holes 21 of collet chuck 2 described The circumferential position of two sections of angular location holes 13 offers two through slots 26 axially extending along holding holes 21, and the through slot 26 is along clamping The circumferential groove width in hole 21 is corresponding with the diameter of the angular location hole 13；In the angular location hole 13 and step macropore 14 It is slidably mounted angular locating piece 15, the angular locating piece 15 is corresponding with the angular location hole 13 and step macropore 14 Step Shaft, the angular locating piece 15 towards one end of 12 axis of through-hole pass through 21 side wall of holding holes on through slot 26 and formed In in the holding holes 21 with top clip is held by two angular locating pieces 15 technique being placed in holding holes 21 clamping axle journal 51 on Preset two parallel angular positioning surfaces 52 realize the circumferentially positioned of blade 5；The step macropore 14 is far from the through-hole 12 One end be additionally provided with internal screw thread and angular hold-down bolt 16 be connected with to provide pair of angular locating piece 15 by the internal screw thread Top clip holding force.

The clamper main body 11 connecting with four axis turntables 45 is additionally provided with and leads on the end face close to described 21 one end of holding holes The coaxial annular dome 17 in hole 12, in use, passing through end face and convex annular that technique is clamped to the shaft shoulder 53 raised on axle journal 51 The end face of circle 17 abuts against the axially position to realize blade 5, and the interior circular diameter of the annular dome 17 should be greater than the collet chuck 2 End face diameter equipped with 21 one end of holding holes to the external wall section of flaring on collet chuck 2 to step down, the protrusion collet master of annular dome 17 The length of body 11 should be greater than the length that collet chuck 2 protrudes from the end end face of clamper main body 11, is withheld out and is filled with the slip clamp to collet chuck 2 The stroke divided.

According to the purposes of annular dome 17 as it can be seen that when implementing, the interior fenestra of annular dome 17 can be in flaring by through-hole 12 One end of bell mouth shape continues to extend outwardly and constitute, and the outer fenestra of annular dome 17 can be with the shape pair of clamper main body 11 It answers, as long as the end end face can abut the axial direction for realizing blade 5 by the end face for clamping the shaft shoulder 53 raised on axle journal 51 with technique Positioning, under this structure type, for collet chuck 2 when clamping and releasing orientation, both ends are respectively positioned on the through-hole 12（Containing logical The flaring oared segrne pii in hole 12）It is interior.

In clamp structure shown in Fig. 3, for increase by two chuck mechanisms 1 and the distance between four axis turntables 45 and tailstock 46 so as to In cutter cut and milling, avoid clamping cutter machine tool chief axis interfered with four axis turntables 45 and tailstock 46, in collet Clamp body 44 is also additionally arranged between mechanism 1 and ring flange 43, connection is also to connect by positioning pin 41 and fastener 42；Implement When, through-hole 12 can also be made to be integrated knot through clamper main body 11 and clamp body 44 and by clamper main body 11 and the manufacture of clamp body 44 Structure.

When implementation, further, an annular flange can be further added by the middle section of 2 outer wall of collet chuck, the annular flange with The outer diameter of the flange 24 is corresponding, in this way, collet chuck 2 can be made to keep stable state in the through-hole 12 in releasing orientation, keeps away Exempt from the unilateral abrasion of flaring external wall section and influences precision；Referring to fig. 4, Fig. 5 can also further will be any angular fixed when implementation Position block 15 be set as on the end face of the corresponding cylindrical section 151 of step macropore 14 be arranged two parallel isometric angular positioning axis bodies The axis of 152 form, described two angular positioning axis bodies 152 is distributed along the axisymmetrical of the through-hole 12, in this way, two is angular Locating piece 15, which holds top clip, guarantees that the circumferentially positioned contact point of blade 5 becomes three from two, and circumferentially positioned effect is more preferable, but right It answers, the angular location hole 13 and through slot 26 for installing the angular locating piece 15 of the structure are and described two angular locating shaft bodies 152 Corresponding two or one corresponding with the maximum distance of two angular locating shaft bodies 152, the angular locating piece 15 of the structure is installed Step macropore 14 and the angular locating piece 15 cylindrical section 151 also should be corresponding flat structure with make turn, to guarantee institute The axis for stating two angular positioning axis bodies 152 is remained along the axisymmetrical of the through-hole 12, increases certain difficulty of processing. When implementation, further, according to the difference of lathe model, it may be selected four axis turntables 45 and tailstock 46 being connected to special fixture On bottom plate, for the handling convenient for blade 5, tailstock 46 can be slided along the axis direction of through-hole 12 and can after sliding by further with The clamp bottom board is fixed；In this way, a whole set of fixture is made to be convenient for fixture in a set of overall structure convenient for the switching of lathe upper fixture Storage management, convenient for the implementation of the precision inspection process of fixture.It can should all with further improved scheme when above-mentioned implementation It is contemplated as falling within scope of protection of the utility model.

Make further summary below with reference to application method of the clamp structure to the utility model：

1) after blade 5 to be packed into the collet chuck 2 of two chuck mechanisms 1, it will be close to the technique clamping axle journal of four axis turntables, 45 one end The end face of 51 shaft shoulder 53 and the end face of annular dome 17 are close to, and carry out axially position.

2）Pre- centering, rotates the scroll bar 31 of two chuck mechanisms 1, makes the tentatively closing in centering of collet chuck 2 but not exclusively clamps blade 5 Technique clamp axle journal 51, technique clamping axle journal 51 be scheduled the heart and remain to circumferentially rotate.

3) two angular hold-down bolts 16 are equably tightened from both ends, keep angular locating piece 15 right by angular hold-down bolt 16 Top clip handles the angular positioning surface 52 of technique clamping axle journal 51, completes circumferentially positioned.

4) scroll bar 31 close to four axis turntables, 45 one end is tightened, the rotation of turbine 3 drives collet chuck 2 towards four axis turntables, 45 one end Sliding clamps the technique clamping axle journal 51 at the end；The scroll bar 31 close to 46 one end of tailstock, the centering of complete blade pair 5 are tightened again It clamps.

Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims (8)

1. compressor stator blade mills blade profile chuck mechanism, it is characterised in that：Including clamper main body, the clamper main body is equipped with water Flat through-hole, the through-hole slidable connection have collet chuck；One end of the collet chuck is placed in the through-hole, and the end face of the other end is set There are recessed holding holes to clamp axle journal with the technique for accommodating blade, if circumferentially equal part is evenly equipped with the side wall of the holding holes The dry resigning through wall thickness is slotted, and the fluting of stepping down is equipped with the end of holding holes one end along the axially extending of collet chuck and through collet chuck Face, the collet chuck are equipped with the outer wall of holding holes one end in the bell mouth shape of flaring.

2. compressor stator blade mills blade profile chuck mechanism according to claim 1, it is characterised in that：Clamper main body is described in Through-hole is radially provided with perforative angular location hole, and the angular location hole is formed as two of the radially opposite sides positioned at the through-hole Section, the circumferential position that described two sections angular location holes are corresponded on the side wall of the holding holes offers two and axially prolongs along holding holes The through slot stretched, described two sections angular positioning holes have been slidably mounted angular locating piece respectively, and the angular locating piece is and angle To the corresponding axis structure of location hole, the angular locating piece passes through the through slot towards one end of through-bore axis and is formed in institute It states in holding holes.

3. compressor stator blade mills blade profile chuck mechanism according to claim 2, it is characterised in that：The angular location hole One end far from the through-hole is equipped with coaxial step macropore, and the angular locating piece is and the angular location hole and platform The corresponding Step Shaft of rank macropore, the through slot are corresponding with the diameter of the angular location hole along the groove width of holding holes circumferential direction； The step macropore is equipped with internal screw thread far from one end of the through-hole and is connected with angular hold-down bolt by the internal screw thread.

4. compressor stator blade mills blade profile chuck mechanism according to claim 1, it is characterised in that：The collet chuck is far from folder Hold hole one end end face be equipped with flange, the diameter of the flange it is corresponding with the through-hole with prevent from shaking and guarantee collet chuck and The concentricity of through-hole, the end face diameter that the collet chuck is equipped with holding holes one end are greater than the diameter of the through-hole.

5. compressor stator blade mills blade profile chuck mechanism according to claim 1, it is characterised in that：The through-hole is close to institute The inner wall for stating holding holes one end is convenient for closing up in the bell mouth shape of flaring with corresponding with the external wall section of flaring on collet chuck.

6. compressor stator blade mills blade profile chuck mechanism according to claim 1, it is characterised in that：Clamper main body is close to institute The end face for stating holding holes one end is equipped with annular dome coaxial with the through hole, and the interior circular diameter of the annular dome is greater than the cylinder The end face diameter of holding holes one end is folded with to step down to the external wall section of flaring on collet chuck.

7. any one of -6 compressor stator blades mill blade profile chuck mechanism according to claim 1, it is characterised in that：The cylinder The end face far from holding holes one end is pressed from both sides to be equipped with the coaxial screw rod of collet chuck and be corresponding threaded hole by screw rod connection inner hole Turbine, the turbine is coaxial with collet chuck and is rotatably placed in the through-hole, is connected with scroll bar with the turbine, described Scroll bar is rotatably placed in the worm screw mounting hole on clamper main body.

8. compressor stator blade mills blade profile chuck mechanism according to claim 7, it is characterised in that：On the clamper main body Spacer pin is equipped with to limit the axial movement of turbine, positioning pin is equipped on the clamper main body to limit scroll bar along its own Axial movement.