CN209578289U - A kind of multiple degrees of freedom milling attachment of compressor blade - Google Patents
A kind of multiple degrees of freedom milling attachment of compressor blade Download PDFInfo
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- CN209578289U CN209578289U CN201822212353.4U CN201822212353U CN209578289U CN 209578289 U CN209578289 U CN 209578289U CN 201822212353 U CN201822212353 U CN 201822212353U CN 209578289 U CN209578289 U CN 209578289U
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Abstract
A kind of multiple degrees of freedom milling attachment of compressor blade, including blade positioning clamping device, automatic tool changer and Multi-shaft mechanical arm；The blade positioning clamping device includes blade tenon processing clamping positioning mechanism and blade surface processing clamping positioning mechanism, is used for stationary engine blade；The automatic tool changer includes automatic tool changer tool magazine mechanism and automatic tool changer actuating station mechanism；The Multi-shaft mechanical arm includes the first axle construction of pedestal, the second axle construction, small arm third axle construction, the 4th axis forearm structure, the 5th axis wrist structure and machining spindle structure.The utility model provides a kind of multiple degrees of freedom milling attachment of compressor blade, realizes flexible milling and automatic tool changer using manipulator, and machine tooling can be made more flexible quickly accurate, more accurate positioning, more rapidly, blade processing is high-efficient, and blade surface milling quality is high.
Description
Technical field
The utility model relates to milling attachment fields, and in particular to multiple degrees of freedom milling attachment field is in particular to started
The multiple degrees of freedom milling attachment of machine compressor blade.
Background technique
Currently, compressor blade mostly uses greatly traditional numeric-control milling machine, different patterns is cooperated to manufacture, by lathe and leaned on
Complex-curved processing, this process steps very complicated are realized in movement while mould, and required profiling attachment etc. all needs
Want special, machining accuracy and efficiency are not ideal enough, and development degree is relatively limited, and majority is still confined to blade semifinishing, leaf
The final manufacturing quality of piece is still to rely on artificial polishing process；It is completed by plain-milling machine processing plus a large amount of artificial reconditioning
, the method is time-consuming and laborious and high labor cost；Processing effect is primarily present with the processing result of processing technology coarse in this way
The problems such as rate is low, part tolerance range is big, equipment cost high labor cost, lower blade surface quality, these problems are serious
Constrain the development of engine blade manufacture.
Summary of the invention
In order to overcome, the processing efficiency of existing compressor blade processing method is low, part tolerance range is big, equipment cost
High labor cost, the lower deficiency of blade surface quality, the utility model provide a kind of multiple degrees of freedom milling of compressor blade
Turning device realizes flexible milling and automatic tool changer using manipulator, and machine tooling can be made more flexible quickly accurate, positioned more smart
Standard, more rapidly, blade processing are high-efficient, and blade surface milling quality is high.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of multiple degrees of freedom milling attachment of compressor blade, including blade positioning clamping device, automatic tool changer and
Multi-shaft mechanical arm；The blade positioning clamping device includes that blade tenon processing clamping positioning mechanism and blade surface processing clamp
Positioning mechanism is used for stationary engine blade；The automatic tool changer includes that automatic tool changer tool magazine mechanism and automatic tool changer are held
Row terminal structure；The Multi-shaft mechanical arm includes the first axle construction of pedestal, the second axle construction, third axle construction, the 4th axle construction,
Five axle construction and machining spindle structure.
The utility model is using traditional automation of precise numerical control machine and the advantage of Research foundation, in conjunction with industrial robot
The flexibility of multi-axis turning, the very high advantage of positioning accuracy devise one kind to finish as main multi-degree-of-freemechanical mechanical arm milling
Device can be realized the processing of the complex space curved surfaces of engine blade.
Further, the blade tenon processes clamping positioning mechanism, the method wrapped up using low-melting alloy, first by blank
With low-melting alloy founding at simple geometry shape, blade founding wrapping portion is positioning position, is clamped up and down by primary clamp body clamp body,
Limit the movement of workpiece Z-axis；Secondly restricted workpiece X on main clamp pedestal, the mobile positioning baffle of Y direction, primary clamp body clamp body
Upper lower lock block, which compresses, provides clamping force, and clamping force directly acts on Z-direction, and clamp body workpiece pressing surface generates stiction
The predominantly axially Milling Force generated with cutter is overlapped.
Further, the blade surface processes clamping positioning mechanism, and special fixture component and blade tenon shape are coincide,
The positioning of special fixture component screw is fixed on upper holder block and the threaded hole of clamp base, and special fixture component is bonded with tenon
Shape directly limit workpiece Z, the displacement of X-axis；The displacement for extending baffle limitation workpiece Y-axis of special-purpose member two sides；Main clamp
Body provides main clamping force, coincides with the axial thrust load of Milling Force；The frictional force and extruding force that clamping force and workpiece generate with
Main Milling Force coincides；Auxiliary clamp mechanism is located at the workpiece other end and provides transverse clamping force.
Further, the automatic tool changer tool magazine mechanism includes tool magazine stand and cutter fixture block, and fixture block is fixed with threaded screw bore
On tool magazine stand, the relative position that tool magazine stand and manipulator are kept fixed, by the relative tertiary location input control system of the two
Manipulator can be allowed to be pin-pointed to the position for needing tool changing.
Tool changing push rod when tool changing operation, is pushed away to the left using cylinder and butterfly is pressed to contract by automatic tool changer actuating station mechanism
The ball taper hole of spring, push rod enters ball grooves, and the small ball in push rod generates upper and lower displacement；Then, knife handle is promoted to the right
It is adjacent to push rod, then come up cylinder, and push rod is retracted master while knife handle promotes to the right by butterfly spring recoverable force
In axocoel body, ball taper hole is detached from ball grooves, and small ball upper end space is closed, moves down, and inwardly clamps knife handle head.
In the Multi-shaft mechanical arm, pedestal first axle superstructure is connect by the second axis pedestal with the second axle construction, the
Two axis large arm lower ends connect the second axle construction, and the second axis large arm upper end is connect with third axle construction, third axle construction and the 4th axis
Structure is connected by the 4th axis forearm, and the 5th axis wrist one end connects the 4th axle construction, the other end connection the of the 5th axis wrist
Five axle construction, machining spindle structure are connected by the 5th spindle nose section with the 5th axle construction.
The beneficial effects of the utility model are mainly manifested in: blade positioning clamping device being capable of firmly stationary engine leaf
The stabilization of workpiece in piece, milling process, automatic tool changer tool-changing speed is fast, tool changing positioning accuracy is high, cutter deposits in tool magazine
Reserves are big, and Multi-shaft mechanical arm working space is big, flexibility ratio is high, multiaxis drives the function for realizing Flexible Manufacture engine blade jointly
Energy.
Detailed description of the invention
Fig. 1 is the schematic diagram of blade surface processing clamping positioning mechanism.
Fig. 2 is the schematic diagram of automatic tool changer tool magazine mechanism.
Fig. 3 is the schematic diagram of automatic tool changer actuating station mechanism.
Fig. 4 is the schematic diagram of mainshaft mechanism sectional view.
Fig. 5 is the flow process chart of the multiple degrees of freedom milling attachment of compressor blade.
Wherein, 1 is time clamp base, and 2 be sliding block, and 3 be main clamp base, and 4 be tool magazine stand, and 5 be cutter fixture block, and 6 be the
Two axis pedestals, 7 be the second axis large arm, and 8 be the 4th axis forearm, and 9 be the 5th axis wrist, and 10 be the 5th spindle nose section, and 11 be cylinder, 12
It is tool changing push rod for butterfly spring, 13,14 be main shaft, and 15 be small ball.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings of the specification
Referring to Fig.1~Fig. 5, a kind of multiple degrees of freedom milling attachment of compressor blade, including blade positioning clamping device, from
Move knife system, Multi-shaft mechanical arm；The blade positioning clamping device includes blade tenon processing clamping positioning mechanism, blade table
Face processes clamping positioning mechanism, and having firmly stationary engine blade, the reasonable clamping position of shape to guarantee milling
The stabilization of workpiece in journey, and increase overall stiffness；The automatic tool changer includes that automatic tool changer tool magazine mechanism, automatic tool changer are held
Row terminal structure has tool-changing speed fast, and tool changing positioning accuracy is high, and the amount of storage of cutter is big, it can be achieved that rapid changing knife, is protected in tool magazine
Demonstrate,prove the continuity and the processing of complete numerically controlled automatic of milling process；The Multi-shaft mechanical arm includes the first axle construction of pedestal, second
Axle construction, third axle construction, the 4th axle construction, the 5th axle construction, machining spindle structure, Multi-shaft mechanical arm working space is big, spirit
Activity is high, and multiaxis drives the function of realizing Flexible Manufacture engine blade jointly.The utility model utilizes traditional accurate digital control machine
The automation of bed and the advantage of Research foundation, in conjunction with the flexibility of industrial robot multi-axis turning, the very high advantage of positioning accuracy,
It devises a kind of to finish the complex space curved surfaces that can be realized engine blade for main multi-degree-of-freemechanical mechanical arm milling attachment
Processing.
Further, the blade tenon processes clamping positioning mechanism, the method wrapped up using low-melting alloy, first by blank
With low-melting alloy founding at simple geometry shape, blade founding wrapping portion is main positioning position, mainly by main clamp
Body clamps up and down, limits the movement of workpiece Z-axis；Secondly restricted workpiece X on main clamp pedestal 3, the mobile positioning gear of Y direction
Plate.Lower lock block, which compresses, in primary clamp body clamp body provides clamping force, and clamping force directly acts on Z-direction, clamp body workpiece pressing surface
Stiction is generated to be overlapped with the predominantly axially Milling Force that cutter generates.
The blade surface processes clamping positioning mechanism, and special fixture component and blade tenon shape are coincide, special-purpose member
It is fixed on upper holder block and the threaded hole of time clamp base 1 with screw positioning, the shape that special fixture component is bonded with tenon is straight
It connects and limits workpiece Z, the displacement of X-axis；The extension baffle of special-purpose member two sides limits the displacement of workpiece Y-axis.Primary clamp body clamp body mentions
For main clamping force, coincide with the axial thrust load of Milling Force；Frictional force and extruding force that clamping force and workpiece generate and main
Milling Force coincides；Auxiliary clamp mechanism is located at the workpiece other end and provides transverse clamping force.
The automatic tool changer tool magazine mechanism includes tool magazine stand 4 and cutter fixture block 5, and fixture block is fixed on tool magazine stand with threaded screw bore
On 4, the relative tertiary location input control system of the two can be allowed machine by the relative position that tool magazine stand 4 and manipulator are kept fixed
Tool hand is pin-pointed to the position for needing tool changing.
Tool changing push rod 13 when tool changing operation, is pushed away and is compressed to the left using cylinder 11 by automatic tool changer actuating station mechanism
The ball taper hole of butterfly spring 12, push rod enters ball grooves, and the small ball 15 in push rod generates upper and lower displacement；Then, by knife handle
It promotes to the right and is adjacent to push rod, then come up cylinder 11,12 recoverable force of butterfly spring, while knife handle promotes to the right
Push rod is retracted in main shaft cavity, ball taper hole is detached from ball grooves, and 15 upper end space of small ball is closed, moves down, inwardly
Clamp knife handle head.
In the Multi-shaft mechanical arm, pedestal first axle superstructure is connect by the second axis pedestal 6 with the second axle construction, the
Two axis large arm, 7 lower end connects the second axle construction, and 7 upper end of the second axis large arm is connect with third axle construction, third axle construction and the 4th
Axle construction is connected by the 4th axis forearm 8, and 9 one end of the 5th axis wrist connects the 4th axle construction, the connection of 9 other end of the 5th axis wrist
5th axle construction, machining spindle structure are connected by the 5th spindle nose section 10 with the 5th axle construction.
The utility model motion process is as follows: working position is blade tenon first, first melts blank and low-melting alloy
Cast simple geometry shape, the sliding block 2 and main clamp pedestal 3 that blade tenon processes clamping positioning mechanism are by blade body clamping
Firmly, Multi-shaft mechanical arm clamping milling cutter carries out Milling Process to blade tenon, and after completing tenon processing, low-melting alloy is melted
Change, take out blade forging blank, carries out second of clamping and processing；Secondary clamping position is located at tenon, with the exclusive clamps of design
Have clamping, and is laterally fastened with auxiliary clamp mechanism；Automatic tool changer carries out tool changing simultaneously, and cylinder 11 is by changing inside main shaft
Knife push rod 13 is toward extrapolated, and the left end of tool changing push rod 13 is detached from the path cavity of limitation small ball 15,13 taper hole of tool changing push rod
Interior small ball 15 can shift up, and small ball 15 disappears to the clamping force of knife handle, and cutter is able to be detached from main shaft 14；In tool changing
After, in new cutter push-in main shaft 14, knife handle is caught in 13 front end cavity of tool changing push rod, and knife handle is pushed further into the drive of main shaft 14
Tool changing push rod 13 back moves, and the small ball 15 in 13 taper hole of tool changing push rod limits inside position by the path cavity of main shaft 14 again
It moves, clamping force is generated to knife handle, is finally completed the Milling Process of blade surface.
Content described in this specification embodiment is only an enumeration of the implementation forms of the utility model concept, this is practical new
The protection scope of type should not be construed as being limited to the specific forms stated in the embodiments, the protection scope of the utility model also and
In those skilled in the art according to the utility model design it is conceivable that equivalent technologies mean.
Claims (5)
1. a kind of multiple degrees of freedom milling attachment of compressor blade, which is characterized in that the multiple degrees of freedom milling attachment includes leaf
Piece positioning clamping device, automatic tool changer and Multi-shaft mechanical arm；The blade positioning clamping device includes blade tenon processing
Clamping positioning mechanism and blade surface process clamping positioning mechanism, are used for stationary engine blade；The automatic tool changer packet
Include automatic tool changer tool magazine mechanism and automatic tool changer actuating station mechanism；The Multi-shaft mechanical arm includes the first axle construction of pedestal, second
Axle construction, small arm third axle construction, the 4th axis forearm structure, the 5th axis wrist structure and machining spindle structure.
2. a kind of multiple degrees of freedom milling attachment of compressor blade as described in claim 1, which is characterized in that the blade tenon
Head processing clamping positioning mechanism, the method wrapped up using low-melting alloy, first by blank and low-melting alloy founding at simply several
What shape, blade founding wrapping portion are positioning position, are clamped up and down by primary clamp body clamp body, limit the movement of workpiece Z-axis；Secondly main
Restricted workpiece X in clamp base, the mobile positioning baffle of Y direction, lower lock block, which compresses, in primary clamp body clamp body provides clamping force, folder
Clamp force directly acts on Z-direction, and clamp body workpiece pressing surface generates the predominantly axially milling that stiction and cutter generate
Power is overlapped.
3. a kind of multiple degrees of freedom milling attachment of compressor blade as claimed in claim 1 or 2, which is characterized in that the leaf
Piece surface processes clamping positioning mechanism, and special fixture component and blade tenon shape are coincide, and special fixture component is positioned with screw
It is fixed on upper holder block and the threaded hole of clamp base, the shape that special fixture component is bonded with tenon directly limits workpiece Z, X
The displacement of axis；The displacement for extending baffle limitation workpiece Y-axis of special-purpose member two sides；Primary clamp body clamp body provides main clamping force, with milling
The axial thrust load for cutting power coincides；Frictional force and extruding force and the main Milling Force that clamping force is generated with workpiece coincide；Auxiliary
Clamp system is located at the workpiece other end and provides transverse clamping force.
4. a kind of multiple degrees of freedom milling attachment of compressor blade as claimed in claim 1 or 2, which is characterized in that it is described from
Moving knife tool magazine mechanism includes tool magazine stand and cutter fixture block, and fixture block is fixed on tool magazine stand with threaded screw bore, tool magazine stand and machinery
The relative tertiary location input control system of the two can be allowed manipulator to be pin-pointed to needs by the relative position that hand is kept fixed
The position of tool changing.
5. a kind of multiple degrees of freedom milling attachment of compressor blade as claimed in claim 1 or 2, which is characterized in that it is described from
Move knife actuating station mechanism, when tool changing operation, tool changing push rod is pushed away to the left using cylinder and presses butterfly contracting spring, the ball of push rod
Taper hole enters ball grooves, and the small ball in push rod generates upper and lower displacement；Then, knife handle is promoted to the right and is adjacent to push rod, then
Come up cylinder, and butterfly spring recoverable force retracts push rod in main shaft cavity while knife handle promotes to the right, ball cone
Hole is detached from ball grooves, and small ball upper end space is closed, moves down, and inwardly clamps knife handle head.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822212353.4U CN209578289U (en) | 2018-12-27 | 2018-12-27 | A kind of multiple degrees of freedom milling attachment of compressor blade |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822212353.4U CN209578289U (en) | 2018-12-27 | 2018-12-27 | A kind of multiple degrees of freedom milling attachment of compressor blade |
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| CN209578289U true CN209578289U (en) | 2019-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109663961A (en) * | 2018-12-27 | 2019-04-23 | 浙江工业大学 | A kind of multiple degrees of freedom milling attachment of compressor blade |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109663961A (en) * | 2018-12-27 | 2019-04-23 | 浙江工业大学 | A kind of multiple degrees of freedom milling attachment of compressor blade |
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