CN108127443A - One kind is applied to gas turbine annular work piece clamping and positioning device and system of processing - Google Patents

Abstract

The invention discloses one kind to be applied to gas turbine annular work piece clamping and positioning device and system of processing, including support member, circumference is respectively equipped with the first locating piece of multiple constraint workpiece radial displacements, the second locating piece of multiple constraint workpiece circumferencial direction displacements and multiple fasteners being fixed on workpiece on the ring-like supporting component in support member；Fastener includes fixing end and movable end, and one end of the movable end is sheathed in fixing end, and position of the end in fixing end is adjustable, and the other end of movable end is made to apply longitudinal pressure to annular work piece, realizes the compression annular work piece of different angle.The present invention realizes the multistage manufacturing processes that same device meets corresponding ring component by designing different location structure etc., versatile.

Description

One kind is applied to gas turbine annular work piece clamping and positioning device and system of processing

Technical field

The present invention relates to one kind to be applied to gas turbine annular work piece clamping and positioning device and system of processing.

Background technology

Ring class the process of endless member (annular workpieces especially used on gas turbine) need multiple conversions work Sequence, Set and Positioning process is relatively difficult during conversion, and precision is not high.

Meanwhile such ring, when encountering batch machining, frequent Set and Positioning generates more processing non-cutting time, waste Lathe production capacity, the labor intensity brought to operating personnel is larger, and efficiency is difficult to be promoted.

Invention content

The present invention to solve the above-mentioned problems, it is proposed that one kind be applied to gas turbine annular work piece clamping and positioning device and System of processing, the present invention can improve processing efficiency, reduce production cost and the labor intensity of operator, realize fast and accurately Set and Positioning.

To achieve these goals, the present invention adopts the following technical scheme that：

One kind is applied to gas turbine annular work piece clamping and positioning device, and including support member, circumference divides in support member Not She You it is multiple constraint workpiece radial displacements the first locating pieces, it is multiple constraint workpiece circumferencial direction displacement the second locating piece with And multiple fasteners being fixed on workpiece on the ring-like supporting component；

The fastener includes fixing end and movable end, and one end of the movable end is sheathed in fixing end, and the end exists Position in fixing end is adjustable, and the other end of movable end is made to apply longitudinal pressure to annular work piece, realizes fastener from different Angle compresses annular work piece.

Further, the support member includes pedestal, the geomery of the pedestal with annular work piece to be processed It is adapted.

As a kind of preferred embodiment, pedestal is circular ring shape.

Further, first locating piece is seam allowance, is adapted with annular work piece internal diameter size.

Further, the seam allowance is step-like for two layers, its internal diameter when first layer step is placed with annular work piece front It is adapted, its internal diameter is adapted when second layer step is placed with annular work piece reverse side.

Certainly, the first locating piece could alternatively be other modes, such as locating slot, as long as with annular work piece internal diameter size phase Adaptation, annular work piece can be realized can be applicable in the structural theory of radial displacement limitation, these changes belong to this field What technical staff can be readily apparent that, it ought to belong to the scope of protection of the present invention.

Further, second locating piece is set to the outside of the first locating piece, and the outer of annular work piece is justified The positioning of circumferential direction.

Further, second locating piece is positioning table, and the positioning table includes leader and position portion, described Leader is set to position portion upper end, to realize the guiding to annular work piece, it is made smoothly to drop to position portion, realized Positioning.

Further, the positioning table includes the first positioning table and the second positioning table, and the first positioning table is for workpiece front Positioning during processing, positioning when the second positioning table is processed for workpiece reverse side.

Further, the fixing end of the fastener includes rotating shaft, elastic element and fixing piece, and the movable end includes Pressing plate and supporting rod, the elastic element are set between rotating shaft and pressing plate, and pressing plate end set has supporting rod, passes through fixation Position of the part on rotating shaft adjusts and fixes, and provides longitudinal direction downward pressing force.

Further, the movable end can be rotated around rotating shaft, so as to fulfill in different angle workpiece pressings.

Further, the fixing piece includes hold-down bolt and matched nut.

Certainly, fixing piece can also replace with other modes, such as buckle fastener, these belong to conventional replacement, reason It should belong to the scope of protection of the present invention.

Further, the movable end and fixing end junction are provided with card slot, can realize the free end of movable end with The relative distance of fixing end is adjustable.

Further, circumference is gone back in the support member and is provided with multiple force application elements, upward support force is provided, with reality Support now is provided for workpiece, ensures that workpiece smoothly enters positioning device.By the cooperation of force application element and fastener, workpiece is realized Clamping.

Preferably, first locating piece, the second locating piece, fastener and/or the equal even circumferential of force application element are laid.This Kind design method can preferably ensure the stress balance of workpiece.

The method of work of above-mentioned clamping and positioning device adjusts the height of force application element, fastener is rotated by a certain angle, with Ensure that workpiece is smoothly put into, after ensureing that the positioning endoporus of workpiece and the first locating piece align, adjusting force application element is carried to workpiece The support force of confession makes workpiece slowly and steadily fall into the first locating piece, adjusts force application element, workpiece stress is made to occur upwards suitable The displacement of amount is done step-by-step each fastener and is in close contact with the upper surface of workpiece, completes positioning and clamps.

A kind of system of processing, including lathe and above-mentioned clamping and positioning device, the clamping and positioning device and platen Coaxial arrangement.

Compared with prior art, beneficial effects of the present invention are：

1st, the present invention realizes the multiplexing that same device meets corresponding ring component by designing different location structure etc. Sequence is processed, versatile.

2nd, the present invention can ensure the stability of workpiece multiple clamping, be suitble to bulk work pieces process, save each clamping The non-cutting time of centering reduces centering number, saves production cost, comes into operation, and promotes clamping centering efficiency about 80%.

3rd, the present invention can realize that pressing section is adjusted rapidly and efficiently, improve the efficiency and quality of workpiece compaction process

4th, the present invention is provided with force application element, can ensure the falling speed of workpiece installation process and can effectively control, Protected working of the workpiece in dropping process is effectively guaranteed, prevents workpiece from causing workpiece end face due to conducting oneself with dignity and lifting injustice Risk is reprocessed in damage, reduction.

Description of the drawings

The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows Meaning property embodiment and its explanation do not form the improper restriction to the application for explaining the application.

Fig. 1 is the clamping and positioning device structure diagram of the present invention；

Fig. 2 is the detail figure of the second locating piece；

Fig. 3 is the detail figure of force application element；

Fig. 4 is support section structure diagram；

Fig. 5 is A-A direction schematic diagrams in Fig. 4；

Fig. 6 is the detail figure of force application element；

Fig. 7 is the vertical view of Fig. 6；

Fig. 8 is the structure diagram of pressing section；

Fig. 9 (a), Fig. 9 (b) are the angular transformation schematic diagram of pressing section；

Figure 10 is the structure diagram of the second locating piece；

Figure 11 is second of embodiment schematic diagram of clamping and positioning device；

Figure 12 is second of embodiment schematic diagram of the second locating piece；

Wherein：1st, pressing section, 2, support section, the 3, first locating piece, 4, force application element, the 5, second locating piece, 6, bottom Seat, 7, positioning endoporus, 8, seam allowance；

1-1, supporting rod, 1-2, pressing plate, 1-3, clamp nut, 1-4, briquetting, 1-5, elastic component, 1-6, backing plate, 1-7, pressure Tight bolt, 1-8, rotating shaft；

4-1, screw, 4-2, nut, 4-3, topping bracket, 4-4, fastening bolt, 4-5, flange, 4-6, trip bolt, 4-7, Adjustment tank；

5-1, the first positioning table, 5-2, the second positioning table, 5-3, locating slot.

Specific embodiment：

The invention will be further described with embodiment below in conjunction with the accompanying drawings.

It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.It is unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.

In the present invention, term as " on ", " under ", "left", "right", "front", "rear", " vertical ", " level ", " side ", The orientation or position relationship of instructions such as " bottoms " are based on orientation shown in the drawings or position relationship, only to facilitate describing this hair Bright each component or component structure relationship and determining relative, not refer in particular to either component or element in the present invention, it is impossible to understand For limitation of the present invention.

In the present invention, term such as " affixed ", " connected ", " connection " should be interpreted broadly, and expression can be fixedly connected, Can also be integrally connected or be detachably connected；It can be directly connected, can also be indirectly connected by intermediary.For The related scientific research of this field or technical staff can determine the concrete meaning of above-mentioned term in the present invention as the case may be, It is not considered as limiting the invention.

As mentioned in the background art, the prior art there are ring class endless member (such as gas turbine retaining ring) plus Work process needs multiple conversions process, and Set and Positioning process is relatively difficult during conversion, the not high deficiency of precision, this hair It is bright that a kind of clamping and positioning device is provided, especially suitable for ring class endless member, can effectively solve the problem that the above problem.

As shown in Figure 1, it is broadly divided into two parts：Support section 2 and pressing section 1.

The body portion of 2 constituent apparatus of support section, for fixing clamping part and positioning device etc..It is mainly by pedestal 6 compositions.The geomery of support section 2 should be adapted with the geomery of workpiece to be machined, and ring base part is preferably selected Circular ring shape.

As shown in figure 4, the portions such as the first locating piece 3, the second locating piece 5, mounting flange 4-5, installing port are provided on pedestal 6 Part.First locating piece 3 in the present embodiment, preferably seam allowance 8, to workpiece when the seam allowance 8 is in contact for workpiece with pedestal 6 It is constrained, preferred seam allowance 8 uses step-like setting, is consistent with the internal diameter size of workpiece.The workpiece being applicable in attached drawing For, seam allowance 8 is step-like using two layers.Wherein, when workpiece front processes, it positions one layer of seam allowance 8 of inner hole, and front adds After the completion of work, when carrying out reverse side clamping, positioning endoporus selects another layer of seam allowance 8.

Certainly, in other embodiments, the first locating piece 3 could alternatively be other modes, such as locating slot 5-3, as long as It is adapted with annular work piece internal diameter size, annular work piece can be realized can fit in the structural theory of radial displacement limitation With these changes belong to what those skilled in the art can be readily apparent that, ought to belong to the scope of protection of the present invention.

As shown in Figure 10, the second locating piece 5 is used for through plane, notch, boss or hole position on the outside of workpiece etc. to work Part carries out the positioning of circumferencial direction.It is mainly made of the first positioning table 5-1 and the second positioning table 5-2 etc..The positioning table by For guiding the compositions, preferably inclined surface and vertical plane such as the face of workpiece positioning and the face to play the role of positioning.

As a kind of embodiment, as shown in figure 11, the first positioning table 5-1 is fixed by screws on pedestal 6, shape Location feature corresponding with workpiece matches, and preferably selects pylon shape.Second positioning table 5-2 inclined surface and vertical plane are consolidated with bottom plate Fixed to be connected, bottom plate is connected by screw with pedestal 6.Positioning when first positioning table 5-1 processes for workpiece front, second is fixed Positioning when position platform 5-2 processes for workpiece reverse side.

Mounting flange 4-5 is arranged on the outside of pedestal 6, for the setting of installing port.The installing port is for installation to work The element of part pressure.Installing port preferably reserves the tool operations such as enough spaces, convenient wrench.

As shown in figure 8, pressing section 1 is mainly made of clamp device, the clamp device is for workpiece to be compressed, preferably It is made of supporting rod 1-1, pressing plate 1-2, nut, hold-down bolt 1-7, backing plate 1-6, elastic component 1-5, briquetting 1-4 etc..Clamp device It is fixed by hold-down bolt 1-7, the structure that can realize micro adjustment clamping portion, the knot is provided on pressing plate 1-2 Structure is preferably adjustment tank 4-7, can the micro position for adjusting pressing plate 1-2 after being fixed for hold-down bolt 1-7.Hold-down bolt 1-7 The components such as upper setting has elastic component, backing plate 1-6 and rotating shaft 1-8.The elastic component 1-5 provides preload for hold-down bolt 1-7 Power preferably selects spring, other elastic elements same or that realize identical function do not do specific restriction herein. Backing plate 1-6 is used to support spring, limits its stroke.

In another embodiment, clamp device be set as revolution pressing device, it is described revolution pressing device include pressing plate, Pressure head, pivoted lever and supporting rod.

In the pivoted lever flush mounting, the circumferential displacement without axial direction, radial direction that rotates freely is realized.Its structure For polished rod structure, be provided with circular fixed block on bar, the fixed block be used for and positioning clamping device in swivelling chute cooperation, Realization rotates freely, and shape and the fixed block of the swivelling chute match, and provide constraints to fixed block, avoid it in rotation The displacement in other directions occurs in the process.

The supporting rod is used to provide support to the revolution pressing device, is arranged on the tail of the revolution clamp device Portion is again provided with fixed block on its bar, and the fixed block is matched with the rotation slot in positioning clamping device, realizes to return Rotation centered on bull stick.The rotation slot is inverted T shaped half slot, is arranged on positioning clamping device, passes through the rotation slot Limitation to fixed block on supporting rod, the supporting rod can surround the rotation that pivoted lever realizes 180 °.

The pressure head be used for workpiece pressing surface, for avoid damage to workpiece surface and do not occur during compression compared with Big deformation, material is using relatively soft materials, preferably aluminium block such as aluminium, aluminium alloys.

In further embodiment, clamp device directly can provide lower pressure to workpiece, from without using force application element pair Device provides support force.On the basis of above-mentioned first embodiment, its pressure head is improved.By setting nut on pressure head Etc. structures, realize that its opposing platen can move up and down, so as to apply lower pressure to workpiece, for workpiece pressing.Revolution Axis 1-8 is located at the downside of hold-down bolt 1-7, after hold-down bolt 1-7 screws out pedestal 6 completely, ensures that rotating shaft 1-8 can be stayed in In bolt hole, certain supporting role is played to clamp device, it is made not topple over workpiece is caused to collide with.Rotating shaft 1-8 preferably selects polished rod structure, realizes above-mentioned function.

Supporting rod 1-1 is arranged on the tail portion of pressing plate 1-2, and supporting rod 1-1 is used to play a supportive role to pressing plate 1-2.Supporting rod 1-1 is fixedly connected with pressing plate 1-2, and when the hold-down bolt 1-7 of pressing plate 1-2 is spun up, supporting rod 1-1 leaves workpiece surface, After hold-down bolt 1-7 is screwed, the one end of pressing plate 1-2 with briquetting 1-4 is in contact first with workpiece surface, makes with supporting rod One end of 1-1 moves down, and supporting rod 1-1 tilts for the offer support that is in contact with support section to limit pressing plate 1-2 one end One end pushes.

The other end of pressing plate 1-2 is provided with briquetting 1-4, and briquetting 1-4 is fixedly connected with pressing plate 1-2, for being contacted with workpiece Lower pressure is transmitted to workpiece.Briquetting 1-4 preferably selects the softer material such as rubber slab, aluminium sheet, prevents from causing to draw in workpiece surface Trace impression equivalent damage.

As shown in Fig. 9 (a) and Fig. 9 (b), clamp device can be realized to be rotated around hold-down bolt 1-7, so as to fulfill in difference Angle workpiece pressing.

Clamp device is matched with the force application element 4 on pedestal 6, by the positioning of positioning device, is realized to being processed work The clamping of part.

As shown in fig. 6, force application element 4 is used to apply upward thrust to workpiece and clamp device matches, to workpiece into Row clamps.Force application element 4 preferably uses spiral lift device, specifically by screw 4-1, nut 4-2, topping bracket 4-3, fastening bolt 4- The compositions such as 4 and topping bracket flange 4-5.Its rising is made by rotary screw 4-1, is locked by the rotation of nut 4-2 and screw 4-1 Fixed position is realized and provides support force to workpiece.The topping bracket 4-3 is the support base with threaded hole, is matched with screw 4-1 It closes, realizes the up and down motion of screw 4-1.Being provided on the topping bracket flange 4-5 can be micro after fastening bolt 4-4 fastenings The structure of adjustment, the structure are preferably adjustment tank 4-7, for finely tuning the position of topping bracket flange 4-5.

To ensure that force balances, in the present embodiment, force application element 4 at 6 are provided on 6 mounting flange 4-5 of pedestal.But It is that in other embodiments, number can be changed to 4,8 or 10 etc..It, can basis according to the structure of different rings The difference of practical situations, adjustment force application element 4 install and use quantity, the stability that enhancing retaining ring is placed.

In another embodiment, pedestal 6 using casting and machine-shaping etc. modes make, it is contemplated that the process-cycle, into The convenience of this and subsequent maintenance is, it is preferable to use welding structural element.

In a further embodiment, force application element 4 can adjust as needed using hydraulic jack, motor-driven jack etc. its The structure that he can highly be adjusted, it is contemplated herein that the convenience of the convenience of operation, cost of manufacture and subsequent maintenance, preferably makes herein With bolt force application element 4.

Pressing section 1 can be selected according to frequency of use using air pressure, hydraulic device, it is contemplated herein that, single-piece larger to product Process-cycle is relatively long, it is preferable to use the device of manual adjustment.

The workpiece that the present apparatus is applicable in, has and the matched positioning endoporus of seam allowance, and workpiece is adopted in positive and negative clamping It is matched with different positioning endoporus from different seam allowances.Meanwhile also have on workpiece and be adapted hole or slot with positioning table, in work During the positive and negative clamping of part, hole or slot that two sides is had nothing in common with each other match with the first positioning table and the second positioning table, realize to work respectively Part it is circumferentially positioned.

Above device in actual use, the assembling of pressing section 1 is finished, and on the pedestal 6 of support section 2. Locating piece, force application element 4 etc. are mounted on pedestal 6 simultaneously, device is put down to hang being placed on platen, according to seam allowance 8 Positioning device ensures that device and platen are coaxial, by components such as general pressing plate 1-2, tooling is pressed on lathe worker Make on platform；4 height of force application element is adjusted to slightly above 6 end face of pedestal, while more slightly lower than 8 end face of seam allowance.Workpiece is put down and is hung to It above device, finely tunes workpiece and device is coaxial, fine tuning makes the location feature of workpiece (be matched with positioning table in workpiece circumference defence line ) above positioning table, workpiece level is fallen on force application element 4, after force application element 4 is played a supporting role completely, is withdrawn from Lifting device.By adjusting 4 height of force application element, workpiece is slowly fallen, ensures that inner hole of workpiece setting circle is fallen just in seam allowance 8 Place, external location feature overlap just with matched positioning table.After workpiece is entirely fallen on pedestal 6, force application element 4 is manually adjusted And force application element 4 is made to touch workpiece lower face just, pressing section 1 and workpiece pressing are adjusted at this time.

In another embodiment, for prevent workpiece collide when falling into seam allowance disfiguring workpiece situations such as, fallen in workpiece Before entering, the height of force application element is adjusted first, then clamp device rotates by a certain angle, ensure that workpiece is smoothly put into, exert a force Element provides certain support to workpiece.After the positioning endoporus of workpiece and the seam allowance of device align, force application element is adjusted Support force makes workpiece slowly and steadily fall into seam allowance, it is ensured that will not collide with phenomenon.

In a further embodiment, above device when in use, the pressing plate in two in conjunction with the embodiments, first by press plate rotary Suitable angle, makes it workpiece not interfered to fall into tooling, and workpiece is placed into tooling, then pressing plate rotation is made its pressure head portion Point positioned at the upper surface of workpiece, it is ensured that each pressure head it is circumferential positioned at the top of the upper surface of workpiece.Force application element is adjusted, to work The lower surface of part provides support force, and suitable displacement occurs upwards for workpiece stress.When workpiece surface and pressure head gentle touchdown, Other force application elements are adjusted, each pressure head is made with the upper surface gentle touchdown of workpiece, finally to adjust force application element one by one, make Workpiece is further in close contact with pressure head, completes positioning clamping step.

The foregoing is merely the preferred embodiments of the application, are not limited to the application, for the skill of this field For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.

Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.

Claims (11)

1. one kind is applied to gas turbine annular work piece clamping and positioning device, it is characterized in that：Including support member, in support member Circumference be respectively equipped with the first locating pieces of multiple constraint workpiece radial displacements, multiple constraint workpiece circumferencial direction displacements it is second fixed Position part and multiple fasteners being fixed on workpiece on the ring-like supporting component；

The fastener includes fixing end and movable end, and one end of the movable end is sheathed in fixing end, and the end is in fixation Position on end is adjustable, and the other end of movable end is made to apply longitudinal pressure to annular work piece, realizes fastener from different angles Annular work piece is compressed.

2. it is as described in claim 1 a kind of applied to gas turbine annular work piece clamping and positioning device, it is characterized in that：Described Positioning piece is seam allowance, is adapted with annular work piece internal diameter size.

3. it is as claimed in claim 2 a kind of applied to gas turbine annular work piece clamping and positioning device, it is characterized in that：It is described to stop Mouth is step-like for two layers, its internal diameter is adapted when first layer step is placed with annular work piece front, second layer step and cyclic annular work Its internal diameter is adapted when part reverse side is placed.

4. it is as described in claim 1 a kind of applied to gas turbine annular work piece clamping and positioning device, it is characterized in that：Described Two locating pieces are set to the outside of the first locating piece, and the positioning of circumferencial direction is carried out to the outer of annular work piece.

5. it is as described in claim 1 a kind of applied to gas turbine annular work piece clamping and positioning device, it is characterized in that：Described Two locating pieces are positioning table, and the positioning table includes leader and position portion, and the leader is set to position portion Upper end.

6. it is as claimed in claim 5 a kind of applied to gas turbine annular work piece clamping and positioning device, it is characterized in that：It is described fixed Position platform includes the first positioning table and the second positioning table, positioning when the first positioning table is processed for workpiece front, the second positioning table Positioning when being processed for workpiece reverse side.

7. it is as described in claim 1 a kind of applied to gas turbine annular work piece clamping and positioning device, it is characterized in that：It is described tight The fixing end of firmware includes rotating shaft, elastic element and fixing piece, and the movable end includes pressing plate and supporting rod, the elasticity member Part is set between rotating shaft and pressing plate, and pressing plate end set has supporting rod, is adjusted by position of the fixing piece on rotating shaft And fixation, provide longitudinal direction downward pressing force；

The movable end and fixing end junction are provided with card slot, can realize the free end of movable end and the opposite of fixing end away from From adjustable.

8. it is as described in claim 1 a kind of applied to gas turbine annular work piece clamping and positioning device, it is characterized in that：The work Moved end can be rotated around rotating shaft, so as to fulfill in different angle workpiece pressings.

9. it is as described in claim 1 a kind of applied to gas turbine annular work piece clamping and positioning device, it is characterized in that：The branch Circumference is gone back on the part of support part and is provided with multiple force application elements, upward support force is provided, support is provided to be embodied as workpiece, ensures work Part smoothly enters positioning device.

10. a kind of system of processing, it is characterized in that：It is filled including lathe and Set and Positioning as claimed in any one of claims 1-9 wherein It puts, the clamping and positioning device is coaxially disposed with platen.

11. based on the method for work applied to gas turbine annular work piece clamping and positioning device described in claim 9, feature It is：The height of force application element is adjusted, fastener is rotated by a certain angle, to ensure that workpiece is smoothly put into, ensures the positioning of workpiece After endoporus and the first locating piece align, the support force that force application element is provided to workpiece is adjusted, workpiece is made slowly and steadily to fall into In first locating piece, force application element and/or fastener are adjusted, each fastener is done step-by-step and is closely connect with the upper surface of workpiece It touches, completes positioning and clamp.