CN108436562A - The flexible overturning tooling that energetic material is processed automatically - Google Patents

The flexible overturning tooling that energetic material is processed automatically Download PDF

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Publication number
CN108436562A
CN108436562A CN201810560865.1A CN201810560865A CN108436562A CN 108436562 A CN108436562 A CN 108436562A CN 201810560865 A CN201810560865 A CN 201810560865A CN 108436562 A CN108436562 A CN 108436562A
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CN
China
Prior art keywords
cam
inner ring
energetic material
flexible
outer shroud
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CN201810560865.1A
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Chinese (zh)
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CN108436562B (en
Inventor
曹志民
吴松
黄交虎
刘峰
张丘
刘维
蒋文睿
刘婷
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Institute of Chemical Material of CAEP
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Institute of Chemical Material of CAEP
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention discloses the flexible overturning toolings that a kind of energetic material is processed automatically, which includes machine tool rotary working table, lifting platform, inner ring, outer shroud, clamping fixture seat, inner ring end cap, pneumatic jaw, pin, profiled piece, rack, lock-screw and gag lever post, the Coupling Design based on drum cam and gear mechanism, and MATRIX soft nips are transformed, the flexible clamping and self-turnover of a whole set of tooling are realized by lathe own resource.The present invention has simple in structure, easy to use, flexible clamping, the features such as protection is reliable, and mechanism is intensive, and performance is stablized, production efficiency can be significantly improved, security protection ability is enhanced, the flexible reliable retention of the special-shaped parts containing energy and safe efficient process requirements can be met.

Description

The flexible overturning tooling that energetic material is processed automatically
Technical field
The invention belongs to energetic material mechanical processing and Fixture Design fields, and in particular to it is automatic that one kind being suitable for energetic material The flexible clamping for changing processing overturns tooling.
Background technology
It is especially anti-for safety in view of the reliable clamping of numerous abnormal shape energetic material components, the functional requirement of automatic turning The considerations of shield, current many conventional clampings (such as chuck, sucker) and artificial method for turning largely limit the material containing energy Expect the raising of production efficiency and automatization level.Thus, it is based on flexible clamping technology and mechanism Coupling Design theory, is made full use of Field resources (numerical control power, auxiliary space etc.) automate clamping in machine for abnormal shape component containing energy and overturning provides special tool Dress can effectively improve production efficiency, reduce human intervention, promotes process safety.Traditional lift-on/lift-off type or manipulator are coordinated Although formula automatic turning method has certain application, but still there are problems that, as clamping workpiece size, configuration are more single One, nonstandard tool structure complexity be difficult to automation realize, exposed the shortages system exception protective capacities of tool structure, product overturning with Transport process needs a large amount of manual interventions (operation etc. outside disassembling fixture, artificial centering, machine), shortage flexibility and versatility to be difficult to full Sufficient multi-varieties and small-batch component processing requirement.These problems all can be to containing energy component processing precision, production efficiency and the safety that is loaded Property has some impact on.
Currently, be limited to energetic material mechanical processing and the special applications that are loaded, few standards for the field or lead to It is developed with tooling, it is more thin by process for overturning the component containing energy with inside and outside cavity of processing especially for needs The methods such as change, manual intervention, simple tooling design could solve.It is existing in the market by long-term practice and discovery of making thorough investigation and study: The Refix systems of System 3R companies of Sweden, the zero-point positioning system of Germany's Hainbuch agilities quick-change system, Switzerland-Wei Bo VB The multiclass folder such as system, Italy's M.CONT flexible units, Germany's SCHUNK agilities quick-change system and Germany's Das Matrix systems It holds technology and solves unit, but be mostly confined in the clamping application of metal or conventional material component, and standard knots are only provided Building block needs to carry out targetedly secondary development or design just can be suitably used for the processing of the component containing energy.Wherein, MATRIX flexibilities are pressed from both sides Holding system, widely available market is approved, and German federal Innovation Award (Landes-innovationspreis) is awarded within 2006, Using independent stainless steel draw point, the moment under extremely light active force is molded the product, can be stable with multiple spot matrix structure, just Arbitrary free form surface is supported promptly, and surface, which is made, using high-strength aluminum alloy in module body anodic protection film, avoids impacting and damaging Hinder workpiece surface, and each intermodule can be with free splicing and exchange.If itself and automatic turning tooling jaw can be used cooperatively, i.e., The flexible clamping and turning problem of the special-shaped component containing energy can be solved simultaneously.
Invention content
It is main to use the purpose of the present invention is designing a kind of flexible clamping overturning tooling suitable for energetic material automation processing Among multi items, the flexibility of small lot component containing energy, high-efficiency and precision mechanical processing, to solve the special-shaped inside and outside type of component containing energy Face adds man-hour requirement flexible clamping and the efficiency brought in the lengthy and tedious operation such as bit flipping and process safety problem.Pass through machine tool rotary The coordinative role of platform and flexible overturning tooling, realizes automatic turning, the fast positioning function of the special-shaped component containing energy, significantly simplifies Operating process improves the overall security of processing.The device have it is simple in structure, easy to use, flexible clamping, protection can It leans on, the features such as mechanism is intensive, and performance is stablized, can significantly improve production efficiency, enhance security protection ability, special-shaped contain energy to meet The flexible reliable retention of parts and safe efficient process requirements.
For the technical problem for solving described previously, the present invention uses following technical scheme:
A kind of flexible overturning tooling processed automatically suitable for energetic material, including machine tool rotary working table, inner ring, outer shroud, Clamping fixture seat, pneumatic jaw and magnetic locking pin, the inner ring are fixed by screws on machine tool rotary working table, the side of inner ring Wall carries out fluting design, and rack is arranged in slot;The outer shroud includes drum cam and the inner ring end that is fixed at the top of drum cam Lid, drum cam is sleeved on gap fiting mode outside inner ring, and outer shroud limits its axial movement by inner ring end cap, but outer shroud can be around The opposite both sides of axially free revolution, the outer shroud open up cam path;The clamping fixture seat is divided into symmetrical two parts, leads to It crosses connecting plate and is mechanically fixed and be integrated, unilateral clamping fixture seat is assembled by gear shaft, gear and cam bawl and formed, and cam bawl is fixed on Gear shaft end, gear shaft pass through interior ring-side wall so that cam bawl is located in the cam path of outer shroud, design of gears on gear shaft, And it in the slot of interior ring-side wall, is engaged with the rack arranged in slot;Cam bawl and cam path formed matching mechanism, gear with Rack forms matching mechanism, and the automatic turning of clamping fixture seat is realized in two kinds of matching mechanism coordinated movements of various economic factors;Pneumatic jaw and magnetic locking Pin uses MATRIX soft nip standard blocks, the mode of being threadably secured to be positioned on clamping fixture seat, and pneumatic jaw air blowing pushes away Dynamic magnetic locking pin slow-action is stretched out, and the surface of profiled piece is adaptively touched, and locking magnetic switch completes the positioning to profiled piece, Screw thread promotes pneumatic jaw to clamp profiled piece a little.
The flexible overturning tooling for being suitable for energetic material and processing automatically, structure further includes lifting platform, the lifting Platform is fixedly mounted on machine tool rotary working table, and lifting platform upper surface is designed with Ring like suction disc;In the machine tool rotary working table The heart opens up via, is disposed with rotation electric slip ring and provides automatically controlled and absorption power for lifting platform.
The flexible overturning tooling for being suitable for energetic material and processing automatically, the cam path flip horizontal of the side of outer shroud It can be completely superposed afterwards with the cam groove shape of the other side, and the shape of cam path is the centrosymmetric image in " S " type, it should The curve of cam path selects simple harmonic motion design, two cam path shadows when the cam path of outer shroud both sides is mapped to same plane As intersection and center overlaps.
The flexibility that energetic material is processed automatically that is suitable for overturns tooling, and opening up tapped through hole on outer shroud side wall is used for Installation locking screw, lock-screw lock inner ring and outer rings, the lock-screw end open up running-on screw thread for connect limit Position bar.
The flexible overturning tooling for being suitable for energetic material and processing automatically, gag lever post can stretch and dismantle.
The flexible overturning tooling for being suitable for energetic material and processing automatically, gag lever post carry out machine with lathe by padlock Tool is locked, and flexible overturning tooling is made to be fixedly connected with bed piece;Low speed starts rotary table clockwise, is allowed to drive inner ring It turns round together, cam bawl pulls the gear shaft of clamping fixture seat to move down with cam path formation matching mechanism at this time, while gear Forming matching mechanism rotation with rack makes clamping fixture seat overturn.
The flexible overturning tooling for being suitable for energetic material and processing automatically, the switching process of clamping fixture seat pass through reverse engine Bed rotary table completes reverse overturning.
The flexible overturning tooling for being suitable for energetic material and processing automatically, the slot that the side wall of inner ring opens up is in inner ring The big path position of side wall opens up the symmetrical guide groove of concave, and two notch tops are open-minded, installation one in each notch Root stationary rack, and same notch has a surplus to side clearance, prevents gear shaft stuck, the notch of the symmetrical guide groove of concave With gear shaft matching design, while realizing to the guiding and axially position of gear shaft.
Compared with prior art, the present invention at least has the advantages that:
(1) flexible clamping of the invention overturning tooling realizes the functional requirement to abnormal shape component automated production containing energy, It adaptively can be reliably loaded for plurality of specifications geomery part, by the way that MATRIX soft nip standard lists are transformed Member can quickly adjust clamping force, and replacement operation is convenient.
(2) flexible clamping of the invention overturns tooling and is not required to reposition correction, solves the previous component small lot containing energy In processing, it is loaded to adapt to different dimension workpieces and needs to frequently replace sucker, repeats complicated behaviour such as installation and correction, artificial overturning Make, improves the precision that is loaded (repeating Du≤5 μm Jing) and automatization level of irregular part.
(3) flexible clamping of the invention overturning tooling has easy to use, flexible clamping, and protection is reliable, and mechanism is intensive, property The features such as capable of stablizing, can adjust the overall operation stationarity of tooling, compound intensive style by designing different cam profile curves Mechanism Combination make the tooling have it is preferable containing can component essential safety protective, these are all conducive to the peace of energetic material Entirely, highly-efficient processing.
Description of the drawings
Fig. 1 is the dimensional structure diagram that the present invention is suitable for the flexible overturning tooling that energetic material is processed automatically.
Fig. 2 is the complete section front view that the present invention is suitable for the flexible overturning tooling that energetic material is processed automatically, illustrates that its is soft Property clamping with overturning operation principle.
Fig. 3 is the appearance front view of Fig. 2, illustrates cam design principle and its automatic turning realization method.
Fig. 4 is the half-sectional vertical view of Fig. 3, illustrates the position relationship between each component.
Corresponding reference numeral title is as follows in figure:
1- machine tool rotary working tables, 2- lifting platforms, 3- inner ring, 4- outer shrouds, 5- clamping fixture seats, 6- inner ring end caps, 7- pneumatic tongs Mouthful, 8- magnetic locking pins, 9- profiled pieces, 10- racks, 11- lock-screws, 12- gag lever posts, 13- screws, 14- side walls, 15- Drum cam, 16- cam paths, 17- connecting plates, 18- gear shafts, 19- gears, 20- cam bawls, 21- Ring like suction disc, 22- " recessed " The symmetrical guide groove of font.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Fig. 1 and Fig. 3 shows that the present invention is suitable for the exterior contour for the flexible overturning tooling that energetic material is processed automatically, Fig. 2 Its internal structure is shown with Fig. 4.The flexibility overturning tooling include machine tool rotary working table 1, inner ring 3, outer shroud 4, clamping fixture seat 5, Pneumatic jaw 7 and magnetic locking pin 8,3 lower part of inner ring, which extends outward to form screw, to pass through screw 13 with fixed mounting ring It is fixed on machine tool rotary working table 1, other mechanisms of the cavity inside inner ring for mounting lifting platform 2 and locking profiled piece 9, The side wall 14 of inner ring carries out fluting design, and for arranging Rack and pinion mechanism and reliable guiding function, rack 10 is arranged in slot; Outer shroud 4 includes drum cam 15 and inner ring end cap 6, and inner ring end cap 6 is fixed on the top of drum cam.Drum cam 15 is with gap Fit system is sleeved on outside inner ring 3, and outer shroud 4 limits its axial movement by inner ring end cap 6, but outer shroud 4 can be around axially free revolution. The opposite both sides of outer shroud 4 open up cam path 16.Clamping fixture seat 5 divides for symmetrical two parts, this two parts passes through connecting plate 17 It is mechanically fixed and is integrated, unilateral clamping fixture seat is formed by the assembling of gear shaft 18, gear 19 and cam bawl 20, and cam bawl 20 is fixed In 18 end of gear shaft, gear shaft 18 passes through interior ring-side wall 14 that cam bawl 20 is made to be located in the cam path 16 of outer shroud, gear 19 Design engages on gear shaft 18, and in the slot of interior ring-side wall with the rack 10 arranged in slot;Cam bawl and cam path Form matching mechanism, wheel and rack forms matching mechanism, the automatic turning of two kinds of matching mechanism coordinated movements of various economic factors realization clamping fixture seats 5 Turn;Pneumatic jaw 7 and magnetic locking pin 8 use MATRIX soft nip standard blocks, the mode of being threadably secured to be positioned at On clamping fixture seat 5, to which realization is to the flexible clamping function of abnormal shape component containing energy, concrete operations are:Pneumatic jaw 7, which is blown, pushes magnetic Power is locked 8 slow-action of pin and is stretched out, and the surface of profiled piece 9 is adaptively touched, and locks magnetic switch at this time and can be completed to profiled piece 9 Positioning, then screw thread on rolling clamp seat promotes pneumatic jaw 7 to clamp profiled piece 9 a little.
It further includes lifting platform 2 that the present invention, which is suitable for the flexible overturning tooling that energetic material is processed automatically, and lifting platform has automatic Control and positioning function, lifting platform 2 are fixedly mounted on machine tool rotary working table 1, and 2 upper surface of lifting platform is designed with Ring like suction disc 21, to realize to cavity in profiled piece and outer end face suck and positioning function;The flexible overturning tooling is by lathe For the revolute function of rotary table to give entire mechanism for implementing to provide power, the center of machine tool rotary working table 1 opens up via, uses In arrangement rotation electric slip ring automatically controlled and absorption power is provided for lifting platform.
It can be completely superposed with the cam groove shape of the other side after the cam path flip horizontal of the side of outer shroud, and cam The shape of slot is the centrosymmetric image in " S " type, two cam path shadows when the cam path of outer shroud both sides is mapped to same plane As intersection and center overlaps, and the curve of the cam path selects simple harmonic motion design, to reduce rigid shock, clamp body is made to turn over Turn to operate steadily, improves system reliability.
Tapped through hole is opened up on outer shroud side wall for installation locking screw 11, lock-screw locks inner ring and outer rings, lock Tight tip of screw opens up running-on screw thread for connecting gag lever post 12.Gag lever post can stretch and dismantle, and be conducive to mechanism and position, avoid Space interference.After gag lever post is installed on tooling outer shroud by lock-screw, the padlock of gag lever post and lathe particular position inside into Row mechanical interlocking makes flexible overturning tooling be fixedly connected with bed piece;Low speed starts rotary table clockwise, is allowed to drive Inner ring is turned round together, and cam bawl pulls the gear shaft of clamping fixture seat to move down with cam path formation matching mechanism at this time, simultaneously Wheel and rack, which forms matching mechanism rotation, makes clamping fixture seat overturn.After the completion of waiting for fixture overturning, lifting platform, realization pair are automatically adjusted The outer shroud of tooling and inner ring are locked finally by rotation lock-screw, are realized to the complete of clamp body by the end face clamping of profiled piece Constraint, compression or dismounting gag lever post can proceed with process operation.The switching process of clamping fixture seat is by inverting machine tool rotary work Making platform can complete inversely to overturn.
The slot that the side wall of inner ring opens up is to open up the symmetrical guide groove 22 of concave in the big path position of interior ring-side wall, two A notch top is open-minded, a stationary rack is installed in each notch, and same notch has a surplus to side clearance, prevents tooth Wheel shaft is stuck, the notch of the symmetrical guide groove of concave and gear shaft matching design, at the same realize to the guiding of gear shaft and Axially position.
Although reference be made herein to invention has been described for explanatory embodiment of the invention, however, it is to be understood that ability Field technique personnel can be designed that a lot of other modification and implementations, these modifications and implementations will be fallen in the application public affairs Within the scope and spirit opened.It more specifically, can be to the group of theme combination layout in range disclosed in the present application A variety of variations and modifications are carried out at component and/or layout.In addition to variations and improvements to the component parts and or layout, To those skilled in the art, other purposes also will be apparent.

Claims (8)

1. a kind of flexible overturning tooling processed automatically suitable for energetic material, it is characterised in that including machine tool rotary working table (1), Inner ring (3), outer shroud (4), clamping fixture seat (5), pneumatic jaw (7) and magnetic locking pin (8), the inner ring are solid by screw (13) It is scheduled on machine tool rotary working table (1), the side wall (14) of inner ring carries out fluting design, and rack (10) is arranged in slot;The outer shroud Including drum cam (15) and the inner ring end cap (6) being fixed at the top of drum cam, drum cam (15) is with gap fiting mode It is external to be sleeved on inner ring (3), outer shroud limits its axial movement by inner ring end cap, but outer shroud can be around axially free revolution, the outer shroud Opposite both sides open up cam path (16);The clamping fixture seat (5) is divided into symmetrical two parts, passes through connecting plate (17) machinery It is fixed as one, unilateral clamping fixture seat is formed by the assembling of gear shaft (18), gear (19) and cam bawl (20), cam bawl (20) It is fixed on gear shaft (18) end, gear shaft (18) passes through the cam path (16) that interior ring-side wall makes cam bawl (20) be located at outer shroud In, gear (19) designs on gear shaft (18), and in the slot of interior ring-side wall, is engaged with the rack (10) arranged in slot; Cam bawl forms matching mechanism with cam path, wheel and rack forms matching mechanism, and two kinds of matching mechanism coordinated movements of various economic factors are realized The automatic turning of clamping fixture seat (5);Pneumatic jaw (7) and magnetic locking pin (8) use MATRIX soft nip standard blocks, lead to Screw fixation method to be crossed to be positioned on clamping fixture seat (5), pneumatic jaw (7), which is blown, pushes magnetic locking pin (8) slow-action to stretch out, from Adaptation touches the surface of profiled piece (9), and locking magnetic switch completes the positioning to profiled piece (9), and screw thread promotes pneumatic tongs a little Mouth (7) clamps profiled piece (9).
2. the flexible overturning tooling according to claim 1 processed automatically suitable for energetic material, it is characterised in that further include Lifting platform (2), the lifting platform are fixedly mounted on machine tool rotary working table (1), and lifting platform upper surface is designed with Ring like suction disc (21);The machine tool rotary working table center opens up via, is disposed with rotation electric slip ring and provides automatically controlled and absorption for lifting platform Power.
3. the flexible overturning tooling according to claim 1 processed automatically suitable for energetic material, it is characterised in that described outer It can be completely superposed with the cam groove shape of the other side after the cam path flip horizontal of the side of ring, and the shape of cam path is In the centrosymmetric image of " S " type, the curve of the cam path selects simple harmonic motion design, the cam path mapping of outer shroud both sides To two cam path images intersect when same plane and center overlaps.
4. the flexible overturning tooling according to claim 1 processed automatically suitable for energetic material, it is characterised in that described outer Tapped through hole is opened up on ring-side wall for installation locking screw (11), lock-screw locks inner ring and outer rings, the locking screw Nail end opens up running-on screw thread for connecting gag lever post (12).
5. the flexible overturning tooling according to claim 4 processed automatically suitable for energetic material, it is characterised in that the limit Position bar can stretch and dismantle.
6. the flexible overturning tooling according to claim 4 processed automatically suitable for energetic material, it is characterised in that the limit Position bar carries out mechanical interlocking with lathe by padlock, and flexible overturning tooling is made to be fixedly connected with bed piece;Low speed opens clockwise Dynamic rotary table, is allowed to that inner ring is driven to turn round together, and cam bawl forms matching mechanism with cam path and pulls clamping fixture seat at this time Gear shaft move down, while wheel and rack formed matching mechanism rotation so that clamping fixture seat is overturn.
7. the flexible overturning tooling according to claim 6 processed automatically suitable for energetic material, it is characterised in that clamping fixture seat Switching process pass through and invert machine tool rotary working table and complete reverse overturning.
8. the flexible overturning tooling according to claim 1 processed automatically suitable for energetic material, it is characterised in that inner ring The slot that side wall opens up is to open up the symmetrical guide groove (22) of concave in the big path position of interior ring-side wall, and two notch tops are equal To be open-minded, a stationary rack is installed, and same notch has a surplus to side clearance, prevents gear shaft stuck in each notch, The notch of the symmetrical guide groove of concave and gear shaft matching design, while realizing the guiding and axially position to gear shaft.
CN201810560865.1A 2018-05-25 2018-05-25 Flexible overturning tool for automatically processing energetic materials Active CN108436562B (en)

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