CN209717046U - Engineering machinery shell positioning and clamping device and system of processing - Google Patents

Abstract

The utility model discloses a kind of engineering machinery shell positioning and clamping device and system of processing, device includes positioning seat, and positioning seat has at least two positioning surfaces not being overlapped mutually, and positioning surface does not overlap, and has certain angle between each positioning surface；Or, positioning seat has a positioning surface of several groups, every group of positioning surface includes two and is parallel to each other and spaced positioning surface；Be provided with fixture at least two positioning surfaces, fixture is used for positioning and clamping workpiece, can by multiple workpiece, positioning and clamping is on positioning seat well simultaneously, clamping workpiece is non-interference between each positioning surface.The utility model realizes the technical effect that multiple workpiece clamped one time multi-process merge processing, reduces the clamping times of workpiece, while guaranteeing Workpiece Machining Accuracy, greatly improves production efficiency.

Description

Engineering machinery shell positioning and clamping device and system of processing

Technical field

The utility model relates to a kind of engineering machinery shell positioning and clamping device and systems of processing.

Background technique

Shell class workpiece is the important spare part in Construction Machinery System by taking engineering machinery shell as an example, in general, Its material hardness is larger, and product requirement precision is very high, under no good machine condition, it is difficult to ensure that the processing essence of product Degree.

In addition, entire manufacturing procedure is very many and diverse, since workpiece shapes are complex, Working position is changeable with speed change For case pivot flange, content to be processed generally comprises end surface features, all region features, and processing method generally comprises:

1, lathe turning workpiece lower end surface, inner cavity are used first.

2, workpiece is then turned over into work, uses lathe turning workpiece upper surface.

3, the processing such as milling, boring is carried out to workpiece end face feature using vertical machining centre.

4, finally milling or boring etc. is carried out using feature of the horizontal Machining centers to the outer peripheral surface of workpiece different location to add Work.

It in above-mentioned process, needs to carry out to turn sequence processing using a variety of lathes, and needs to carry out workpiece multiple Clamping, centering, process is time-consuming and laborious, inefficiency.

Utility model content

The utility model to solve the above-mentioned problems, proposes a kind of engineering machinery shell positioning and clamping device and processing system System.

First purpose of the utility model is to provide a kind of engineering machinery shell positioning and clamping device, can be by multiple workpiece Simultaneously well a positioning and clamping on a device.

Second purpose of the utility model is to provide a kind of engineering machinery shell system of processing, by means of above-mentioned engineering machinery Shell positioning and clamping device can be realized the automatic switchover of workpiece self-position in conjunction with additional rotating platform, realize multiple works The technical effect that part clamped one time multi-process merges processing greatly improves production while guaranteeing Workpiece Machining Accuracy Efficiency.

The third purpose of the utility model is to provide the work of a kind of engineering machinery shell positioning and clamping device or system of processing Make method, provides new thinking for the machining of shell class workpiece.

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

A kind of engineering machinery shell positioning and clamping device, including positioning seat, the positioning seat have at least two not weigh mutually The positioning surface of conjunction has certain angle between each positioning surface；

At least sub-folder tool is provided on the positioning surface, the fixture is used for positioning and clamping workpiece, between each positioning surface Clamping workpiece is non-interference.

Preferably, the fixture includes:

At least one clamping section, the clamping section is for applying pressing force to workpiece in the axial direction, to secure the workpiece against On the positioning surface；

Further, further include at least one radial locating element, the radial locating element for radially to workpiece into Row positioning；

Further, further include at least one circumferentially positioned part, the circumferentially positioned part in the circumferential to workpiece into Row positioning.

Preferably, the positioning seat has 3~6 positioning surfaces；

Preferably, the angle between two adjacent positioning surfaces is α, and α is preferably 60~120 degree；

Preferably, the positioning seat has 4 positioning surfaces, and adjacent positioned face is mutually perpendicular to；

Preferably, the positioning surface and horizontal plane are not parallel, and the angle of the positioning surface and horizontal plane is θ, and θ is preferably 60~90 degree, more preferably 90 degree.

Preferably, the positioning seat have several groups positioning surface, every group of positioning surface include two be parallel to each other and between Every the positioning surface of setting.

As an implementation, it can use a stereochemical structure, using each side of the stereochemical structure as one Positioning surface.

It is of course also possible to set up different positioning surfaces in space.

As an implementation, multiple working regions, each working region can be marked off on a long plate structure Independently, it does not overlap, each working region all can serve as a positioning surface.

As another embodiment, at least two working regions can be set in the different sides of a column structure, Each working region all can serve as a positioning surface.

The advantages of above scheme is, can by multiple workpiece simultaneously well a positioning and clamping on a device, Improve the Number of Jobs that can be operated simultaneously.

The radial locating element is positioning backing plate as a preferred technical solution, and the locating pad plate end face, which is provided with, matches Component, matching piece match with workpiece end, to complete the radial positioning operation for workpiece.Further, positioning backing plate can To be wholely set with positioning surface, can also be fixed on positioning surface by bolt or other devices.

Further, the matching piece is positioning protrusion or groove, the positioning protrusion or groove and workpiece end it is recessed Slot or inner cavity or protrusion match.

Further, the positioning backing plate Internal periphery matches with workpiece one end outer profile.

Further, the circumferentially positioned part includes adjusting seat, and the adjusting seat is fixedly installed on the side of workpiece, adjustment It is combined with adjustment bolt on seat, the adjustment bolt end is abutted against with workpiece one end side, guarantees its end to pushing tow workpiece Portion's lateral surface and radial locating element lateral surface flush, and then complete the circumferentially positioned operation for workpiece.

Further, the clamping section includes positioning screw and compact heap, and the positioning screw is fixedly installed on workpiece Outside, compact heap are nested on positioning screw, and clamp nut is combined on positioning screw.

Further, positioning screw is fixedly installed on positioning surface by support base, and the support base is to be carried on From the effect of the power of compact heap in process, positioning screw is avoided to carry the active force from compact heap alone and send out The shape that changes even fractures.

Further, support ring is provided on the support base, the support ring top setting is jagged, forms first Confined planes and the second confined planes, when compact heap and the first confined planes are engaged, compact heap is pressed in the first predeterminated position, When compact heap and the second confined planes abut against, compact heap is pressed in the second predeterminated position.

Further, the support ring notch of same positioning surface is towards same direction.

The support ring inner peripheral surface has the axially extending of certain length, offers shrinkage pool on the support base to be formed Structure.

Further, the compact heap includes the pressure hand being arranged in a mutually vertical manner and fitted shaft.

Further, the positioning screw bottom end is arranged with elastic component, and compact heap fitted shaft is nested on positioning screw, Elastic component both ends are abutted against with the shrinkage pool end face of support base, fitted shaft bottom end face respectively, and the inside and outside circumferential surface of fitted shaft is respectively and fixed Position screw rod and support ring are rotatably assorted, and the central axis of fitted shaft, positioning screw and support ring coincides, and compact heap is along positioning Screw axis is slided and is rotated in support ring notch, and pressure hand wears support ring notch and stretches out in support ring outside and workpiece one end End face abuts against.

Any one of the circumferentially positioned part, radial locating element and clamping section or it is all have it is multiple, with guarantee It preferably positioning or clamps, specific quantity can be according to specific operating condition into setting.

A kind of engineering machinery shell system of processing, including above-mentioned engineering machinery shell positioning and clamping device, and drive institute State the workbench of the rotation of engineering machinery shell positioning and clamping device or/and linear movement.

It preferably, further include main shaft and power device, the power device is for driving the engineering machinery shell to position Clamping device rotation or/and linear movement；

The main shaft, power device, workbench are matched with the engineering machinery shell positioning and clamping device, can be to dress The workpiece being sandwiched on the engineering machinery shell positioning and clamping device positioning surface is processed；

Preferably, the power device includes linear drives and rotary driving part, and the linear drives drive work Platform drives positioning and clamping device to relatively move in X-direction, Y direction and Z-direction and the main shaft, and the rotation is driven Dynamic portion's driving workbench drives engineering machinery shell positioning and clamping device to rotate along C axis direction, or, the rotary driving part drives Engineering machinery shell positioning and clamping device is rotated along C axis direction.

Preferably, the system of processing is configured with tool magazine.

A kind of clamping method based on engineering machinery shell positioning and clamping device or system of processing, determines the clamping position of workpiece It sets, rotatably compresses block until its side is engaged with the first confined planes of support ring, compact heap is pressed under the action of the elastic member Tightly in the first predeterminated position, secured the workpiece against on corresponding positioning surface using compact heap.

A kind of method for dismounting based on engineering machinery shell positioning and clamping device or system of processing adjusts clamp nut, In Compact heap is moved out along positioning screw axis under the action of elastic component, and compact heap is separated with workpiece, rotatably compresses block until it is with the Two confined planes abut against, and compact heap is pressed in the second predeterminated position under the action of the elastic member, provide the withdrawal space of workpiece.

A kind of engineering machinery processing method of casing, using the engineering machinery shell system of processing to shell class workpiece into Row processing, specifically includes:

Multiple workpiece positioning and clampings are on engineering machinery shell positioning and clamping device positioning surface；

Power device cooperates main shaft, workbench and engineering machinery shell positioning and clamping device, successively to being clamped in each positioning The end surface features of workpiece on face or all region feature one of them carry out machining；

After completion of processing, power device cooperates main shaft, workbench and engineering machinery shell positioning and clamping device, successively to dress Wherein another one carries out machining to the end surface features or all region features for being sandwiched in the workpiece on each positioning surface；

Preferably, workbench drives engineering machinery shell positioning and clamping device and workpiece in X-direction, Y-direction and Z-direction It is relatively moved with the main shaft, the end surface features or all region feature one of them to the workpiece on a positioning surface are cut Cut processing；

Workbench drives engineering machinery shell positioning and clamping device and workpiece to rotate along C axis direction, successively to next positioning Another workpiece end face feature of clamping or all region feature one of them carry out machining on face, until workpiece on all positioning surfaces End surface features or all region feature one of them complete the process；

Workbench drive engineering machinery shell positioning and clamping device and workpiece X-direction, Y-direction and Z-direction with it is described Main shaft relatively moves, end surface features to the workpiece on a positioning surface or all region features wherein another one carry out cutting plus Work；

Workbench drives engineering machinery shell positioning and clamping device and workpiece to rotate along C axis direction, successively to next positioning Wherein another one carries out machining for another workpiece end face feature of clamping or all region features on face, until work on all positioning surfaces Wherein another one completes the process for the end surface features of part or all region features.

Compared with prior art, the utility model has the following beneficial effects:

1, the utility model can carry out positioning and clamping well to multiple workpiece simultaneously, can successively to multiple workpiece into Row machining；The technical effect that multiple workpiece clamped one time multi-process merge processing is realized, is guaranteeing Workpiece Machining Accuracy While, greatly improve production efficiency；

2, only need to can be completed multiple workpiece end face features and all region features using the system of processing of the utility model Machining reduces and exchanges lathe and turn sequence cost, greatly saved production cost；

3, it is provided with compact heap on the clamping section of the utility model, is provided with support base on the outside of compact heap, it can be preferably Carry (cutting force) load from compact heap, solve due to cutting force it is excessive caused by the technology that fractures of positioning screw Problem.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.

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

Fig. 2 is the side view of the positioning and clamping device of the utility model；

Fig. 3 is the structure three-view diagram of the clamping section of the utility model；

Fig. 4 is the CONSTRUCTED SPECIFICATION figure of the support base of the utility model；

Fig. 5 is the top view of the positioning and clamping device of the utility model；

Fig. 6 is structural schematic diagram when the utility model positioning and clamping device assembles workpiece；

Fig. 7 is side view when the utility model positioning and clamping device assembles workpiece；

Fig. 8 is top view when the utility model positioning and clamping device assembles workpiece；

Fig. 9 is the utility model horizontal Machining centers structural front view；

Figure 10 is the utility model horizontal Machining centers structural side view；

Wherein: 1, positioning seat, 2, support base, 3, positioning protrusion, 4, positioning screw, 5, adjusting seat, 6, adjustment bolt, 7, pressure Tight block, 8, clamp nut, 9, positioning backing plate, 10, pressure hand, 11, fitted shaft, 12, notch, 13, bottom plate, the 14, first confined planes, 15, the second confined planes, 16, support ring, 17, workpiece, 18, rotary table, 19, slide unit, 20, lathe bed, 21, cutter-exchange mechanism, 22, Tool magazine, 23, broach shell, 24, column, 25, chain, 26, tool change arm, 27, main shaft, 28, end surface features, 29, all region features, positioning surface 30。

Specific embodiment:

The utility model is described in further detail with embodiment with reference to the accompanying drawing.

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 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 singular Also it is 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 their combination.

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 " be shall be understood in a broad sense, and expression can be fixation Connection, is also possible 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 or technical staff for this field can determine as the case may be above-mentioned term in the present invention Concrete meaning, should not be understood as limiting the present invention.

Embodiment 1

The utility model provides a kind of engineering machinery shell positioning and clamping device, including positioning seat 1, and positioning seat 1 is preferred For cylindricality positioning seat 1, positioning seat 1 has at least two positioning surfaces 30 not being overlapped mutually, and (positioning surface is alternatively referred to as facade or side Face), positioning surface 30 does not overlap, and has certain angle α between two adjacent positioning surfaces 30, α is preferably 60~120 degree；Or, fixed Position seat 1 has a positioning surface 30 of several groups, and every group of positioning surface 30 includes two and be parallel to each other and spaced positioning surface 30；Extremely Fixture is provided on few two positioning surfaces 30, fixture is used for positioning and clamping workpiece 17, can be by multiple workpiece 17 simultaneously well Positioning and clamping is on positioning seat 1, and clamping workpiece 17 is non-interference between each positioning surface 30.There are preferred positioning seat 3~6 to be determined Plane 30, positioning surface 30 and horizontal plane are not parallel, and the angle of positioning surface 30 and horizontal plane is θ, and θ is preferably 60~90 degree, more It is well 90 degree.

It is further preferred that positioning seat has 4 positioning surfaces 30, and it is mutually perpendicular between adjacent positioned face 30.This is practical It is novel to additionally provide a kind of engineering machinery shell system of processing, including above-mentioned engineering machinery shell positioning and clamping device and it is horizontal plus Work center, horizontal Machining centers have workbench, and workbench is rotary table 18.

Further, it is based on above-mentioned engineering machinery shell system of processing, the utility model additionally provides a kind of engineering machinery Processing method of casing provides new thinking for the machining of shell class workpiece 17.

Positioning and clamping device is positioned at rotary table 18, the two is matched with machine tool chief axis 27, when a certain workpiece 17 After a certain feature machining, the automatic switchover of 17 self-position of workpiece is realized by rotary table 18, realizes multiple works The technical effect that 17 clamped one time multi-process of part merges processing greatly improves while guaranteeing 17 machining accuracy of workpiece Production efficiency.

Below to a kind of engineering machinery shell positioning and clamping device provided by the utility model, machining center (or processing System) and processing method be described in further detail:

Please referring to attached drawing 1,2, a kind of engineering machinery shell positioning and clamping device, including positioning seat 1, positioning seat 1 is preferably One rectangular positioning seat 1,1 periphery of positioning seat have 4 positioning surfaces 30,4 positioning surfaces 30 and horizontal planes, and adjacent positioned face It is mutually perpendicular between 30, guarantees to carry out workpiece 17 positioning and clamping and 17 end surface features 28 of workpiece, all region features 29 is cut When cutting processing, each workpiece 17 will not be interfered.It is all fixedly installed fixture on 4 positioning surfaces 30 of positioning seat 1, it can be simultaneously Positioning and clamping is carried out to multiple workpiece 17, i.e., is provided with 4 clamping positions on positioning seat 1, positioning seat 1 can be by several steel plate groups It welds, can also integrally cast, be not described in detail here；Fixture includes positioning region, clamping section, positioning region to workpiece 17 into Row positioning, determines the clamping position of workpiece 17, further, workpiece 17 is fixed on 1 positioning surface 30 of positioning seat by clamping section.

It should be understood that in other examples, positioning seat 1 may be set to be other shapes, such as triangular prism, five Prism, six pentagonal prisms etc., 1 positioning surface 30 of positioning seat are fixedly installed one or more fixture, can be simultaneously to multiple workpiece 17 carry out positioning and clamping, and those skilled in the art can be not described in detail here according to specific operating condition self-setting.

Positioning region includes radial locating element, and radial locating element is for radially positioning workpiece；Radial locating element Preferably one positioning backing plate 9, positioning 9 outer profile of backing plate matches with 17 one end outer profile of workpiece, to facilitate determining workpiece 17 Circumferential position, positioning backing plate 9 can be wholely set with positioning seat 1, can also be fixed on positioning by bolt or other devices On 1 positioning surface 30 of seat, positioning 9 end face of backing plate is provided with matching piece, and matching piece is preferably positioning protrusion 3, and positioning protrusion 3 can be with 17 one end groove of workpiece or inner cavity match (matching), to complete the radial positioning operation for workpiece 17.

It should be understood that in other examples, matching piece may be positioning pin, positioning groove or other dresses It sets, matching piece can be matched with the groove of 17 end of workpiece or protrusion, and those skilled in the art can be according to specific operating condition Self-setting, it is not described here in detail.

Positioning region further includes circumferentially positioned part, and circumferentially positioned part, circumferentially positioned part is in the circumferential determining workpiece Position；Circumferentially positioned part includes several adjusting seats 5, and adjusting seat 5, which is fixedly installed on, positions backing plate 9 or 17 side of workpiece, in adjusting seat 5 It is combined with adjustment bolt 6,6 end of adjustment bolt can be abutted against with 17 one end side of workpiece, guarantee it to pushing tow workpiece 17 End lateral surface and positioning 9 lateral surface flush of backing plate, and then complete the circumferentially positioned operation for workpiece 17.

It should be noted that every sub-folder tool is provided with 2 circumferentially positioned parts in the present embodiment, 2 circumferentially positioned parts can be with It is set to positioning 9 side of backing plate or outside, to guarantee preferably to position workpiece 17；It should be understood that in other embodiments In, the quantity of circumferentially positioned part can be set to multiple, such as 3 or more, multiple circumferentially positioned parts are distributed in locating pad 9 outside of plate, those skilled in the art can be not described in detail here according to specific operating condition self-setting.

Clamping section is for applying pressing force to workpiece in the axial direction, to secure the workpiece against on positioning surface 30.Clamping section packet Positioning screw 4 is included, positioning screw 4 is fixedly installed on 17 outside of positioning backing plate 9 or workpiece, and 7 one end of compact heap is nested in positioning spiral shell On bar 4,4 one end fits of positioning screw have clamp nut 8；Further, positioning screw 4 is fixedly installed on fixed by support base 2 On 1 positioning surface 30 of seat of position, support base 2 avoids positioning spiral shell to carry in process from the effect of the power of compact heap 7 Bar 4 carries alone the active force from compact heap 7 and deforms or even fracture.

In the present embodiment, support base 2 preferably includes a bottom plate 13, is provided with support ring 16, support ring on bottom plate 13 16 tops setting jagged 12 forms the first confined planes 14 and the second confined planes 15, and every 16 notch 12 of sub-folder tool support ring is preferably All towards same direction (the more side of all region features 29 to be processed of workpiece 17), while the first confined planes 14 preferably can be with The plane abutted against with 7 side of compact heap, preferably to carry (cutting force) load from compact heap 7；In support ring 16 Circumferential surface can be further axially extending, to form on bottom plate 13 structure for offering shrinkage pool, further, 13 side of bottom plate (16 opposite side of support ring) is provided with a protrusion, and shrinkage pool can further run through bottom plate 13 and extend to the lobed interior, with Guarantee that compact heap 7 can be preferably matched in groove (support ring 16), and then guarantees that support base 2 can be preferably to compact heap 7 are supported, and carry (cutting force) load from compact heap 7.

Compact heap 7 is preferably 7 font structures comprising the pressure hand 10 and fitted shaft 11 being arranged in a mutually vertical manner, positioning screw 4 Bottom end is arranged with spring, and 7 fitted shaft 11 of compact heap is nested on positioning screw 4 (in support ring 16), both ends of the spring respectively with it is recessed Hole end surface, 11 bottom end face of fitted shaft abut against, the inside and outside circumferential surface of fitted shaft 11 respectively with positioning screw 4, support ring 16 rotation or Clearance fit, three's central axis coincide, and compact heap 7 can be slided along 4 axis of positioning screw and can be lacked in support ring 16 Rotation in mouthfuls 12, pressure hand 10 wears 16 notch 12 of support ring and stretches out in 16 outside of support ring to be abutted against with 17 one end end face of workpiece.

In clamping workpiece 17,17 one end of workpiece and fixture cooperate, and complete the positioning to workpiece 17 by positioning region, determine The clamping position of workpiece 17 rotatably compresses block 7 until pressure 10 side of hand is engaged with 16 first confined planes 14 of support ring, in bullet Compact heap 7 is pressed in the first predeterminated position under the action of spring, its own will not rotate the clamping for hindering workpiece 17, adjusts Workpiece 17 is fixed on positioning seat 1 by clamp nut 8 using compact heap 7；When dismantling workpiece 17, it is only necessary to adjust clamp nut 8 without dismantling, and compact heap 7 is moved out along 4 axis of positioning screw under the action of the spring, and pressure hand 10 is separated with workpiece 17, rotation pressure Tight block 7 is until pressure 10 side of hand is abutted against with the second confined planes 15, and it is default to be pressed in second for compact heap 7 under the action of the spring Position, its own will not rotate the disassembly of interference workpiece 17.

It should be understood that in other examples, 16 notch 12 of support ring of 17 two sides of workpiece can also be oppositely arranged, Guarantee that support base 2 all can be very good compact heap 7 and be supported when carrying out machining to 17 either side of workpiece, carrying From (cutting force) load of compact heap 7.

It should be noted that every sub-folder tool is provided with 4 clamping sections in the present embodiment, 4 clamping sections are circumferentially distributed in fixed 9 outside of position backing plate, to guarantee to the better fixation of workpiece 17, clamping；It should be understood that in other examples, clamping section Quantity can be not described in detail here according to specific operating condition into setting.

As shown in figure 9, machining center (or making system of processing), preferably horizontal Machining centers, including lathe bed 20；Lathe bed Main shaft 27, workbench and driving device are provided on 20, driving device includes including linear drives and rotary driving part, linearly Driving portion drives workbench to drive engineering machinery shell positioning and clamping device in X-direction, Y-direction and Z-direction relative to main shaft 27 relatively move, and rotary driving part drives workbench that engineering machinery shell positioning and clamping device is driven to rotate along C axis direction； Main shaft 27, power device are matched with engineering machinery shell positioning and clamping device, can be easily to being held on engineering machinery shell The workpiece of body positioning and clamping device carries out various forms of processing.

Specifically, being equipped with slide unit 19 on lathe bed 20, workbench is installed on slide unit 19, workbench is preferably rotary work Platform 18, rotary table 18 and transmission connection workbench and the driving for being used to that rotary table 18 to be driven to move in X direction dress Set (not shown)；Above-mentioned positioning and clamping device is fixed on rotary table 18, inside be additionally provided with driving rotary table The C axial brake device of 18 rotations；Z axis column 24, and transmission connection Z axis column 24 or rotary table are installed on lathe bed 20 18 and for driving Z axis column 24 and rotary table 18 that the driving device (not shown) of relative motion, Z axis occurs along Y-direction Machine tool chief axis 27 and transmission connection machine tool chief axis 27 are installed and for driving machine tool chief axis 27 to transport along Z-direction on column 24 Dynamic driving device (not shown), 27 axis of machine tool chief axis is perpendicular to Z axis column 24.

Machining center in the present embodiment as a result, machine tool chief axis 27 can in the Y direction and Z-direction and rotary work Platform 18 generates relative movement, and the X-direction movement of cooperation rotary table 18 and C, can be easily to being held on work to rotation The workpiece 17 of platform carries out various forms of processing.

With continued reference to Fig. 9, the machining center in the present embodiment is provided with tool magazine 22, and automatic tool changer, automatic right may be implemented The operation such as knife；Tool magazine 22 is preferably magazine 22 comprising tool magazine body, tool magazine body are provided with tool magazine sprocket wheel (not shown), knife It is provided with tool magazine chain 25 on the sprocket wheel of library, several broach shells 23 are provided on tool magazine chain 25, cutter is placed in broach shell 23；Tool magazine 22 body sides are provided with sliding rail, and sliding rail is fixedly connected with Z axis column 24, and cutter-exchange mechanism 21, tool changing machine are slidably connected on sliding rail Structure 21 includes tool change arm 26, and the automatic switchover of cutter is realized by cutter-exchange mechanism 21.

It should be noted that the tool magazine 22 of other forms, such as bamboo hat type tool holder also can be used in the tool magazine 22 in the present embodiment 22, disc type tool magazine 22 etc., is not described in detail here.

A kind of engineering machinery shell (by taking speed changing box support flange as an example, abbreviation pivot flange) processing method, need using Machining center above-mentioned, comprising the following steps:

1, positioning and clamping device is positioned on horizontal Machining centers rotary table 18.

2,4 pivot flanges are clamped in respectively on 4 clamping positions of positioning and clamping device；Meanwhile for the ease of to adding Work process is described, and the clamping position of face machining center main shaft 27 is named as the first clamping position by us, and according to inverse Hour hands or clock-wise order are successively by other clamping positions are named as second and third, (the present embodiment to be counterclockwise for four clamping positions Example).

Pivot flange (one end) inner cavity first is matched with positioning protrusion 3, completes the radial positioning of pivot flange；Then it revolves Turn adjustment bolt pushing tow pivot flange end sides, until pivot flange end lateral surface is concordant with positioning 9 lateral surface of backing plate, it is complete At the circumferentially positioned of pivot flange；Pivot flange is pressed on positioning and clamping device finally by compact heap 7.

3, starting lathe carries out machining to pivot flange.

The pivot flange end surface features 28 (including end-face hole, facing groove etc.) on the first clamping position are cut first Cut processing；Completion of processing aftertable is rotated by 90 ° counterclockwise, continues successively to carry out machining to next pivot flange, directly It is completed the process to all pivot flange end surface features 28.

When all pivot flange end surface features 28 after processing is completed, on the pivot flange outer peripheral surface on the 4th clamping position The first radial feature (including radial hole, radial groove etc.) carry out machining, completion of processing aftertable rotates counterclockwise 90 °, continue successively to carry out machining to next pivot flange, until the radial feature of all pivot flange outer peripheral surfaces first adds Work is completed.

After the completion of the radial feature machining of all pivot flange outer peripheral surfaces first, to the pivot flange on the second clamping position The second radial feature (the second radial feature is opposite with the first radial feature locations) on outer peripheral surface carries out machining, processes Complete aftertable is rotated by 90 ° counterclockwise, continues successively to carry out machining to next pivot flange, until all pivot flanges The radial feature machining of outer peripheral surface second is completed.

So far all pivot flanges complete the process.

It should be understood that in other embodiments, it can also be first successively to the pivot flange week on multiple positioning surfaces 30 Region feature 29 carries out machining, then successively carries out cutting to the pivot flange end surface features 28 on multiple positioning surfaces 30 again and adds Work is not described further.

4, pivot flange is disassembled from positioning and clamping device, is hung pivot flange using suspender.

Embodiment two

As a preferred embodiment, a kind of engineering machinery shell system of processing includes engineering machinery as described in Example 1 Shell positioning and clamping device, the difference with embodiment one are: further including workbench, rotation driving is provided on workbench Portion, positioning seat 1 and rotary driving part power output end are sequentially connected, and under the driving of rotary driving part, positioning seat may be implemented 1, the rotation of fixture, thus drive workpiece 17 rotate, and then positioning and clamping device can also be fixed on three common axis it is horizontal plus On work center, rotary table 18 is replaced with rotary driving part, to realize four axis horizontal Machining centers in embodiment one Function.

Embodiment three

As a preferred embodiment, engineering machinery shell positioning and clamping device can also use in vertical machining centre, The difference of itself and embodiment one or embodiment two is:

About 17 workpiece, 16 notch 12 of ring supported on both sides is oppositely arranged.

The above is only preferred embodiment of the present application, are not intended to limit this application, for those skilled in the art For member, various changes and changes are possible in this application.Within the spirit and principles of this application, it is made it is any modification, Equivalent replacement, improvement etc., should be included within the scope of protection of this application.

It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability Field technique personnel do not need to 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 (19)

1. a kind of engineering machinery shell positioning and clamping device, it is characterized in that: including positioning seat, the positioning seat has at least two The mutually positioning surface that is not overlapped has certain angle between each positioning surface；

At least sub-folder tool is provided on the positioning surface, the fixture is used for positioning and clamping workpiece, clamping between each positioning surface Workpiece is non-interference.

2. a kind of engineering machinery shell positioning and clamping device as described in claim 1, characterized in that the fixture includes:

At least one clamping section, the clamping section are described to secure the workpiece against for applying pressing force to workpiece in the axial direction On positioning surface.

3. a kind of engineering machinery shell positioning and clamping device as claimed in claim 2, characterized in that the fixture further include to A few radial locating element, the radial locating element is for radially positioning workpiece.

4. a kind of engineering machinery shell positioning and clamping device as claimed in claim 2, characterized in that the fixture further include to A few circumferentially positioned part, the circumferentially positioned part is in the circumferential positioning workpiece.

5. a kind of engineering machinery shell positioning and clamping device as described in claim 1, characterized in that the positioning seat has 3 ~6 positioning surfaces.

6. a kind of engineering machinery shell positioning and clamping device as claimed in claim 5, characterized in that between two adjacent positioning surfaces Angle be α, α is 60~120 degree.

7. a kind of engineering machinery shell positioning and clamping device as claimed in claim 5, characterized in that the positioning seat has 4 A positioning surface, and adjacent positioned face is mutually perpendicular to.

8. a kind of engineering machinery shell positioning and clamping device as claimed in claim 5, characterized in that the positioning surface and level Face is not parallel, and the angle of the positioning surface and horizontal plane is θ, and θ is 60~90 degree.

9. a kind of engineering machinery shell positioning and clamping device as claimed in claim 8, characterized in that θ is 90 °.

10. a kind of engineering machinery shell positioning and clamping device as claimed in claim 3, it is characterized in that: the radial locating element To position backing plate, the locating pad plate end face is provided with matching piece, and matching piece matches with workpiece end, to complete for workpiece Radial positioning operation.

11. a kind of engineering machinery shell positioning and clamping device as claimed in claim 10, it is characterized in that: the matching piece is fixed Position protrusion or groove.

12. a kind of engineering machinery shell positioning and clamping device as claimed in claim 10, it is characterized in that: outside the positioning backing plate Profile matches with workpiece one end outer profile.

13. a kind of engineering machinery shell positioning and clamping device as claimed in claim 4, it is characterized in that: the circumferentially positioned part Including several adjusting seats, the adjusting seat is fixedly installed on the outside of workpiece, and adjustment bolt, the adjustment are combined in adjusting seat Bolt end can be abutted against with workpiece one end side, and the circumferentially positioned operation for workpiece is completed to pushing tow workpiece.

14. a kind of engineering machinery shell positioning and clamping device as claimed in claim 2, it is characterized in that: the clamping section includes Several positioning screws and compact heap, the positioning screw are fixedly installed on the outside of workpiece, and compact heap is nested on positioning screw, Clamp nut is combined on positioning screw.

15. a kind of engineering machinery shell positioning and clamping device as claimed in claim 14, it is characterized in that: the positioning screw is logical It crosses support base to be fixedly installed on positioning surface, the support base is to carry in process from the work of the power of compact heap With.

16. a kind of engineering machinery shell positioning and clamping device as described in claim 1, it is characterized in that: the positioning seat has Several groups positioning surface, every group of positioning surface include two and are parallel to each other and spaced positioning surface.

17. a kind of engineering machinery shell system of processing, it is characterized in that: including the engineering as described in any one of claim 1-16 Mechanical hull positioning and clamping device, and drive engineering machinery shell positioning and clamping device rotation or/and linear movement Workbench.

18. a kind of engineering machinery shell system of processing as claimed in claim 17, it is characterized in that: further including main shaft and power dress It sets, the power device is for driving the engineering machinery shell positioning and clamping device rotation or/and linear movement；

The main shaft, power device, workbench are matched with the engineering machinery shell positioning and clamping device, can be to being clamped in Workpiece on the engineering machinery shell positioning and clamping device positioning surface is processed.

19. a kind of engineering machinery shell system of processing as claimed in claim 18, it is characterized in that: the power device includes line Property driving portion and rotary driving part, the linear drives driving workbench drives positioning and clamping device in X-direction, Y-axis side To and Z-direction relatively move with the main shaft, the rotary driving part driving workbench drives engineering machinery shell fixed Position clamping device is rotated along C axis direction, or, the rotary driving part drives engineering machinery shell positioning and clamping device along the axis side C To rotation.