CN207771340U - One kind being applied to gas turbine annular work piece clamping and positioning device and system of processing - Google Patents

Abstract

The utility model discloses one kind being 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, so that the other end of movable end is applied longitudinal pressure to annular work piece, realizes the compression annular work piece of different angle.The utility model realizes the multistage manufacturing processes that same device meets corresponding ring component by the different location structure etc. of design, versatile.

Description

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

Technical field

The utility model is related to one kind being 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.

Utility model content

The utility model is to solve the above-mentioned problems, it is proposed that one kind being applied to gas turbine annular work piece Set and Positioning and fills It sets and system of processing, the utility model can improve processing efficiency, reduce the labor intensity of production cost and operator, realize fast The accurate Set and Positioning of speed.

To achieve the goals above, the utility model adopts the following technical solution：

One kind being applied to gas turbine annular work piece clamping and positioning device, including support member, and 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.

Pedestal is circular ring shape as a preferred method,.

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

Further, the seam allowance is step-like 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 inner diameter size phase Adaptation, can be realized to annular work piece 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, the scope of protection of the utility model ought to be belonged to.

Further, second locating piece is set to the outside of the first locating piece, justifies to the outer of annular work piece 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 when 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 downward pressing force.

Further, the movable end can be rotated around rotating shaft, to realize 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 The scope of protection of the utility model should be belonged to.

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 be provided with multiple force application elements, upward support force is provided, with reality Support now is provided for workpiece, ensures that workpiece can smoothly enter into 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 working method 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, adjusts force application element and carried to workpiece The support force of confession makes workpiece slowly and steadily fall into the first locating piece, adjusts force application element, so that workpiece stress is occurred 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, the beneficial effects of the utility model are：

1, the utility model realizes same device and meets corresponding ring component by designing different location structures etc. Multistage manufacturing processes, it is versatile.

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

3, the utility model can realize that pressing section is adjusted rapidly and efficiently, improve the efficiency and matter of workpiece compaction process Amount

4, the utility model is provided with force application element, can ensure that the falling speed of workpiece installation process can be controlled effectively System, is effectively guaranteed protected working of the workpiece in dropping process, prevents workpiece from causing workpiece due to conducting oneself with dignity and lifting injustice Risk is reprocessed in facet 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 constitute the improper restriction to the application for explaining the application.

Fig. 1 is the clamping and positioning device structural schematic diagram of the utility model；

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 structural schematic 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 structural schematic diagram of pressing section；

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

Figure 10 is the structural schematic 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：1, 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, lead 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 implementation mode：

The utility model is described in further detail 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.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 implementation mode, 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 for example "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", The orientation or positional relationship of the instructions such as " side ", "bottom" is to be based on the orientation or positional relationship shown in the drawings, only to facilitate chatting The relative for stating each component of the utility model or component structure relationship and determination, not refer in particular in the utility model either component or Element should not be understood as limiting the present invention.

In the utility model, term such as " affixed ", " connected ", " connection " shall be understood in a broad sense, and expression can be fixed Connection, can also be to be integrally connected or be detachably connected；It can be directly connected, the indirect phase of intermediary can also be passed through Even.Related scientific research for this field or technical staff can determine above-mentioned term in the present invention as the case may be Concrete meaning, should not be understood as limiting the present 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 reality With a kind of clamping and positioning device of novel offer, especially suitable for ring class endless member, can effectively solve the problem that the above problem.

As shown in Figure 1, being 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, being provided with the portions such as the first locating piece 3, the second locating piece 5, mounting flange 4-5, installing port 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 inner 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 inner diameter size, can be realized to annular work piece 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 utility model.

As shown in Figure 10, the second locating piece 5 is used to pass 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 compositions, preferably inclined surface and vertical plane such as the face for guiding workpiece to position and the faces that plays the role of positioning.

As an implementation, 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 inclined surface positioning table 5-2 and vertical plane and bottom plate are solid Fixed to be connected, bottom plate is connected by screw with pedestal 6.Positioning when first positioning table 5-1 is processed for workpiece front, second is fixed Positioning when position platform 5-2 is processed for workpiece reverse side.

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

As shown in figure 8, pressing section 1 is mainly made of clamp device, the clamp device is for compressing workpiece, 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, likewise, can also be other elastic elements for realizing identical function, does 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, the revolution pressing device include pressing plate, Pressure head, pivoted lever and supporting rod.

In the pivoted lever flush mounting, circumferential rotate freely without axial, radial displacement 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, and the tail in the revolution clamp device is arranged 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 is used for the surface of workpiece pressing, 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 the way that nut is arranged on pressure head Etc. structures, realize that its opposing platen can move up and down, to apply lower pressure to workpiece, be used 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 to prevent causing workpiece to collide with.Rotating shaft 1-8 preferably selects polished rod structure, realizes above-mentioned function.

Supporting rod 1-1 is arranged in the tail portion of pressing plate 1-2, and supporting rod 1-1 is for playing 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 with workpiece surface first, makes with supporting rod One end of 1-1 moves down, and supporting rod 1-1 is tilted for the offer support that is in contact with support section to limit the one end pressing plate 1-2 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.The material that briquetting 1-4 preferably selects rubber slab, aluminium sheet etc. softer 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, to realize 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 to workpiece for applying upward thrust and clamp device matches, to workpiece into Row clamps.Force application element 4 preferably uses spiral lift device, specifically by lead screw 4-1, nut 4-2, topping bracket 4-3, fastening bolt 4- The compositions such as 4 and topping bracket flange 4-5.Make its rising by rotary screw 4-1, is locked by the rotation of nut 4-2 and lead 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 lead screw 4-1 It closes, realizes the up and down motion of lead 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, the position for finely tuning 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, at 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 it is relatively long, it is preferable to use manual adjustment device.

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 from different seam allowances with different positioning endoporus.Meanwhile also having on workpiece and being adapted hole or slot with positioning table, in work When the positive and negative clamping of part, the hole or slot that two sides is had nothing in common with each other are matched with the first positioning table and the second positioning table respectively, are realized to work Part it is circumferentially positioned.

Above-mentioned apparatus 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, flat hang of device is 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 are overlapped with matched positioning table just.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.

Collide when in another embodiment, to prevent workpiece from 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-mentioned apparatus when in use, the pressing plate in two in conjunction with the embodiments, first by press plate rotary Suitable angle, makes it not interfere workpiece to fall into tooling, and workpiece is placed into tooling, then pressing plate rotation is made its pressure head portion Divide positioned at the upper surface of workpiece, it is ensured that the top positioned at the upper surface of workpiece of each pressure head circumferential direction.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 intended to limit this application, for the skill of this field For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.

It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but not to this practicality newly The limitation of type protection domain, those skilled in the art should understand that, based on the technical solution of the present invention, ability Field technique personnel need not make the creative labor the various modifications or changes that can be made still in the protection model of the utility model Within enclosing.

Claims (10)

1. one kind being 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, so that the other end of movable end is applied 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 inner 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, longitudinal downward pressing force is provided；

The movable end and fixing end junction are provided with card slot, can realize movable end free end and fixing end it is opposite 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, to realize 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, and is provided support to be embodied as workpiece, is ensured work Part can smoothly enter into 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 sets, the clamping and positioning device is coaxially disposed with platen.