CN114770439A - Flexible multi-point supporting device for curved surface piece - Google Patents

Flexible multi-point supporting device for curved surface piece Download PDF

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Publication number
CN114770439A
CN114770439A CN202210625099.9A CN202210625099A CN114770439A CN 114770439 A CN114770439 A CN 114770439A CN 202210625099 A CN202210625099 A CN 202210625099A CN 114770439 A CN114770439 A CN 114770439A
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China
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supporting
linkage
spring
curved surface
passive
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CN202210625099.9A
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CN114770439B (en
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韩奇钢
韩金城
韩志武
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Weihai Institute Of Bionics Jilin University
Jilin University
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Weihai Institute Of Bionics Jilin University
Jilin University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25HWORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
  • Machine Tool Units (AREA)

Abstract

The invention provides a flexible multipoint support device for a curved piece, comprising: the supporting mechanism is composed of a plurality of supporting portions with the same structure, and the supporting portions are distributed on the base mechanism in a discrete matrix mode. The support mechanism adopts a multipoint active support mechanism, a multipoint secondary support mechanism and a linkage support mechanism, and a reconfigurable surface mechanism is further arranged on the basis of the multipoint active support mechanism. The flexible multi-point supporting device for the curved surface piece can adopt a flexible supporting mode according to curved surface workpieces with different structural types, not only can overcome the deformation problem of the curved surface workpieces due to self weight, but also can provide reliable and stable support for the curved surface workpieces.

Description

Flexible multi-point supporting device for curved surface piece
Technical Field
The invention belongs to the technical field of machining supporting devices, and particularly relates to a flexible multipoint supporting device for a curved surface piece.
Background
In recent years, the machining technology is rapidly developed, the demand of various engineering fields for complex curved surface workpieces is gradually increased, and as the machining process of the complex curved surface workpieces is gradually mature, the requirement of people on the machining precision of the curved surface workpieces is higher and higher. In order to obtain a rigid curved surface part with good shape precision and dimensional precision meeting the requirements, a curved surface workpiece needs to be subjected to offline after a plurality of process procedures such as processing, cutting, welding, quality characterization, precision measurement and the like on a production line, in order to complete the procedures smoothly and efficiently, the curved surface workpiece needs to be transferred and transported among various procedure positions, and due to the structural characteristics of the curved surface workpiece, how to stably and reliably support the curved surface workpiece in the transfer and transportation process is a problem which needs to be considered in a key way.
Due to different production requirements, the rigidity, the quality, the curvature and the like of the curved surface workpiece formed by machining are greatly different. For example: 1) the curved surface piece with weak rigidity is easy to deform due to the influence of self weight, and a supporting device is required to be attached to the surface of a workpiece in the transportation process so as to reduce the deformation problem; 2) the large-mass rigid curved surface part needs to be clamped and fixed by a supporting device due to large inertia so as to realize stable supporting and transportation of the large-mass rigid curved surface part; 3) rigid curved surfaces with uneven quality caused by different thicknesses need to comprehensively consider different characteristics of different positions of the rigid curved surfaces, so that targeted support is realized; 4) the problem of height difference between adjacent positions caused by curvature of the rigid curved surface with large curvature needs to be considered so as to realize stable support of the workpiece.
For the curved surface workpieces with different shapes, the curved surface part forming and manufacturing solid mould is usually adopted to support the curved surface part in the prior art, although the forming and manufacturing solid mould can be well attached to the corresponding curved surface mould and is stably supported, the forming and manufacturing solid mould has great use limitation, basically one mould supports, the generalization requirement cannot be realized, the manufacturing cost is high, and the requirement of digital production cannot be met.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a flexible multi-point supporting device for a curved surface piece, which can adopt a flexible supporting mode according to curved surface workpieces with different structural types, not only can overcome the deformation problem of the curved surface workpieces caused by self weight, but also can provide reliable and stable support for the curved surface workpieces.
The technical scheme of the invention is as follows by combining the attached drawings of the specification:
a flexible multi-point support apparatus for a curved member, comprising: base mechanism, supporting mechanism and positioning mechanism, its characterized in that:
the supporting mechanism is composed of a plurality of supporting parts with the same structure, and the supporting parts are distributed on the base mechanism in a discrete matrix mode.
Further, the supporting mechanism is a multipoint active supporting mechanism;
the multipoint active supporting mechanism consists of a plurality of multipoint active supporting units with the same structure, and the multipoint active supporting units are distributed on the base mechanism in a discrete matrix form;
the multi-point active supporting unit comprises a first supporting soft head, a first spiral rib, a first threaded rod and a first thread driving part, wherein:
first screw thread drive division fixed mounting is on the base mechanism bottom plate, the inside thread bush of being connected with the cooperation of first threaded rod to and the first driving source of being connected with the thread bush drive that is equipped with of first screw thread drive division, first threaded rod top is passed through first spiral muscle links to each other with the soft head of first support.
Furthermore, the supporting mechanism is a multipoint active supporting mechanism;
the multipoint active supporting mechanism consists of a plurality of multipoint active supporting units with the same structure, and the multipoint active supporting units are distributed on the base mechanism in a discrete matrix form;
the multipoint active supporting unit consists of a first threaded rod and a first threaded driving part, the first threaded driving part is fixedly installed on a base mechanism bottom plate, and a threaded sleeve in matched connection with the first threaded rod and a first driving source in driving connection with the threaded sleeve are arranged in the first threaded driving part;
the flexible multi-point support device further comprises: a reconfigurable profile mechanism;
reconfigurable profile mechanism comprises horizontal extension spring, longitudinal extension spring, extension spring free bearing subassembly, cross hinge and magnet, wherein:
a plurality of horizontal extension spring is horizontal along the level and is parallel arrangement in same horizontal plane, and is a plurality of longitudinal extension spring is located horizontal extension spring top to the setting of the horizontal extension spring of perpendicular to, first threaded rod top with horizontal extension spring corresponds the connection, longitudinal extension spring links to each other with horizontal extension spring vertical cross position respectively through the cross hinge with horizontal extension spring vertical cross position, magnet corresponds respectively and installs directly over horizontal extension spring and longitudinal extension spring vertical cross position to fix at the cross hinge top.
Furthermore, extension spring free bearing subassembly comprises yaw support, set screw and main extension spring free bearing, wherein:
the bottom of the swing head support is fixedly connected with the top of the multipoint active supporting unit, a U-shaped groove is formed in the top of the swing head support, a transverse tension spring penetrates through a middle hole of the main tension spring hinged support and is relatively fixed, the main tension spring hinged support is arranged in the U-shaped groove in the top of the swing head support, and two sides of the main tension spring hinged support are connected with the swing head support through fixing screws.
Furthermore, the supporting mechanism is a multi-point secondary supporting mechanism;
the multipoint secondary supporting mechanism consists of a plurality of multipoint secondary supporting units with the same structure, and the multipoint secondary supporting units are distributed on the base mechanism in a discrete matrix form;
the multi-point active supporting unit consists of a secondary active supporting component positioned below and a secondary passive supporting component positioned above, wherein:
the second-stage driving support assembly consists of a second threaded rod and a second threaded driving part, the second threaded driving part is fixedly installed on a bottom plate of the base mechanism, and a threaded sleeve in matched connection with the second threaded rod and a second driving source in driving connection with the threaded sleeve are arranged in the second threaded driving part;
The second-level passive supporting assembly and the second-level active supporting assembly are coaxially arranged and composed of a passive supporting rod, a passive supporting spring, a second supporting soft head and a second spiral rib, the lower end of the passive supporting rod is sleeved in a sleeve structure at the upper end of the second threaded rod, the passive supporting spring is sleeved outside the passive supporting rod, the bottom of the passive supporting spring abuts against the top of the sleeve structure which is limited at the upper end of the second threaded rod and is arranged on the outer edge of the top of the passive supporting spring, the top of the passive supporting spring abuts against the top of the passive supporting rod and is arranged on the bottom surface of the outer edge of the top of the passive supporting rod, and the top of the passive supporting rod is connected with the second supporting soft head through the second spiral rib.
Furthermore, the supporting mechanism is a multi-point secondary supporting mechanism;
the multi-point secondary supporting mechanism consists of a plurality of multi-point secondary supporting units with the same structure, and the multi-point secondary supporting units are distributed on the base mechanism in a discrete matrix form;
the multi-point active supporting unit consists of a secondary active supporting component positioned below and a secondary passive supporting component positioned above, wherein:
the second-stage driving support assembly consists of a second threaded rod and a second threaded driving part, the second threaded driving part is fixedly installed on a bottom plate of the base mechanism, and a threaded sleeve in matched connection with the second threaded rod and a second driving source in driving connection with the threaded sleeve are arranged in the second threaded driving part;
The second grade passive support component and the coaxial line setting of second grade initiative support component are supported soft head and second spiral muscle by passive bracing piece, passive supporting spring, second and are constituteed, the lower extreme suit of passive bracing piece is in the bushing structure of second threaded rod upper end, and passive supporting spring suit is in the passive bracing piece outside, and passive supporting spring bottom top is leaned on the bushing structure's of spacing in second threaded rod upper end top outer edge, and passive supporting spring top is leaned on the spacing outer bottom surface of following in passive bracing piece top, and passive bracing piece top is passed through the soft head of second spiral muscle and second support links to each other.
Further, the supporting mechanism is a linkage supporting mechanism;
the linkage supporting mechanism consists of a plurality of linkage supporting unit groups with the same structure, and the linkage supporting unit groups are distributed on the base mechanism in a discrete matrix form;
the linkage supporting unit group comprises the linkage lifting unit who is located the below, the linkage backup pad that is located the centre and the linkage passive support unit who is located the top, wherein:
the linkage passive supporting units are distributed on the upper surface of the linkage supporting plate in a discrete matrix manner, the linkage lifting assembly is arranged on the lower surface of the linkage supporting plate, the lower end of the linkage lifting assembly is arranged on the bottom plate of the lower layer of the base mechanism, and the upper end of the linkage lifting assembly can penetrate through the top plate of the upper layer of the base mechanism; under the lifting drive of the linkage lifting component, the linkage passive supporting unit is driven to move up and down through the linkage supporting plate so as to adjust the supporting height position of the linkage passive supporting unit.
Furthermore, the linkage passive support unit is composed of a linkage support seat, a linkage support spring, a linkage spring support rod, a ball head, a fixing nut, a rocker, a third spiral rib and a micro sucker, wherein:
the linkage supporting seat bottom is fixed on the linkage supporting plate, the linkage supporting spring is arranged in the linkage supporting seat along the vertical direction, the linkage spring supporting rod is vertically arranged, the lower end of the linkage spring supporting rod penetrates through an opening in the top of the linkage supporting seat and abuts against the top of the linkage supporting spring, the bottom of the linkage supporting spring abuts against the bottom of the inner side of the linkage supporting seat, the ball head is arranged in a spherical groove in the top of the linkage spring supporting rod and passes through a fixing nut which is arranged at the top of the linkage spring supporting rod, the ball head relatively rotates at the top of the linkage spring supporting rod, the bottom end of the rocker is connected with the ball head, the third spiral rib is arranged at the lower end of the rocker, and the miniature sucker is arranged at the top of the rocker.
Furthermore, the linkage lifting assembly comprises a plurality of linkage lifting screw rods and a linkage thread driving part, the tops of the linkage lifting screw rods are fixed at the bottoms of the linkage supporting plates, the bottoms of the linkage lifting screw rods penetrate through the bottom plate of the base mechanism, the linkage thread driving part is fixed on the bottom plate of the base mechanism, linkage thread sleeves in one-to-one corresponding fit connection with the linkage lifting screw rods are arranged in the linkage thread driving part, and a linkage driving source in driving connection with the linkage thread sleeves is further arranged in the linkage thread driving part.
Further, the positioning mechanism is composed of a plurality of positioning pins, and the positioning pins are vertically arranged and detachably mounted on the top plate of the base mechanism.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the flexible multi-point supporting device for the curved surface piece, the multi-point supporting mechanism consisting of the discrete matrix type supporting units is adopted, the supporting surface can be adjusted according to actual needs, flexible supporting is realized, flexible multi-point supporting is realized on the curved surface workpieces with different structural forms, the problem of deformation of the curved surface workpieces due to self weight can be solved, and meanwhile, the supporting effect is reliable and stable, and the flexible multi-point supporting device has extremely high adaptability.
2. The flexible multi-point supporting device for the curved surface piece, disclosed by the invention, adopts a multi-point active supporting mechanism consisting of the active supporting units, can realize effective supporting on the conventional thin-wall weak-rigidity curved surface piece with relatively uniformly distributed wall thickness and mass and smaller curvature, can overcome the deformation problem of the curved surface piece due to self weight, and can provide reliable and stable support for the curved surface piece.
3. The invention relates to a flexible multi-point supporting device for a curved surface piece, wherein a reconfigurable surface mechanism is additionally arranged between the top of a multi-point active supporting mechanism and the curved surface piece, under the driving of the active supporting of the multi-point active supporting mechanism, the reconfigurable surface matched with the curved surface piece is formed by elastic expansion and contraction, and is perfectly matched and jointed with the bottom surface of the curved surface piece through a suction part (such as a magnet) arranged on the reconfigurable surface, so that a supporting surface structure similar to a manufacturing entity mold is formed, and the reliability and the accuracy of supporting are further improved.
4. The invention relates to a flexible multipoint supporting device for a curved surface workpiece, which is characterized in that a passive supporting structure is additionally arranged on the basis of an active supporting unit to form a multipoint secondary supporting mechanism consisting of secondary supporting units including an active supporting unit and a passive supporting unit, and the multipoint secondary supporting mechanism can effectively support the curved surface workpiece with uneven wall thickness or quality, wherein: the position that thin and light of matter can realize reliably supporting through passive bearing structure to curved surface work piece wall, and can realize reliably supporting through adjusting initiative bearing structure to curved surface work piece wall thickness and heavy position, and the pertinence is stronger.
5. According to the flexible multi-point supporting device for the curved surface piece, the discrete matrix type supporting units are uniformly divided into the plurality of blocks to form the linkage supporting unit groups, the linkage supporting unit groups distributed in a matrix form the linkage supporting mechanism, so that the large-curvature curved surface piece can be effectively supported, the reliability of the support can be improved to a certain degree due to the linkage supporting unit groups, and the problem of unstable support of the large-curvature curved surface piece caused by large height difference locally can be effectively solved.
Drawings
FIG. 1 is a schematic view of an overall assembly structure of a supporting device according to an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of an active supporting unit in the supporting device according to the first embodiment of the invention;
FIG. 3 is a schematic view of an overall assembly structure of a supporting device according to a second embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a reconfigurable surface mechanism in the supporting device according to the second embodiment of the invention;
FIG. 5 is an enlarged view of a portion of the reconfigurable surface mechanism of the supporting device according to the second embodiment of the present invention;
FIG. 6 is a schematic view of an integrally assembled and used supporting device according to a third embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a reconfigurable surface mechanism in the supporting device according to the third embodiment of the present invention;
FIG. 8 is an enlarged view of a portion of the reconfigurable surface mechanism of the supporting device according to the third embodiment of the present invention;
FIG. 9 is a schematic view of an integrally assembled and used supporting device according to a fourth embodiment of the present invention;
fig. 10 is a schematic structural diagram of a secondary supporting unit in the supporting device according to the fourth embodiment of the present invention;
FIG. 11 is a schematic structural diagram of an overall assembly of a fifth supporting device according to an embodiment of the present invention;
fig. 12 is a schematic structural view of a linkage supporting unit set in the fifth supporting device according to the embodiment of the present invention;
fig. 13 is a schematic structural view of a linkage passive supporting unit in the supporting device according to the fifth embodiment of the present invention.
In the figure:
1-a base mechanism, 2-a multipoint active supporting mechanism, 3-a positioning mechanism,
4-curved surface workpiece, 5-reconfigurable surface mechanism, 6-multipoint two-stage supporting mechanism,
7-linkage supporting mechanism;
21-a multipoint active support unit;
51-transverse tension spring, 52-longitudinal tension spring, 53-tension spring hinged support component,
54-cross hinge, 55-magnet, 56-flexible heat-resistant pad;
61-a secondary active support component, 62-a secondary passive support component;
71-linkage passive support unit, 72-linkage lifting component and 73-linkage support plate;
211-a first soft supporting head, 212-a first spiral rib, 213-a first threaded rod,
214-a first threaded drive; 215-ferrule cylindrical fitting, 216-flexible boot;
531-a swing head support, 532-a fixing screw and 533-a main tension spring hinged support;
611-a second threaded rod, 612-a second threaded drive;
621-passive support bar, 622-passive support spring, 623-second support soft head,
624-second spiral rib;
711-linkage supporting seat, 712-linkage supporting spring, 713-linkage spring supporting rod,
714-ball head, 715-fixing nut, 716-rocker,
717-third spiral rib, 718-micro sucker;
721-linkage lifting screw rod and 722-linkage screw driving part.
Detailed Description
For clearly and completely describing the technical scheme and the specific working process thereof, the specific implementation mode of the invention is as follows by combining the drawings in the specification:
in the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The first embodiment is as follows:
as shown in fig. 1, this embodiment discloses a flexible multi-point supporting device for a curved member, which includes: the device comprises a base mechanism 1, a multipoint active supporting mechanism 2 and a positioning mechanism 3; the base mechanism 1 serves as a base of the whole supporting device and is used for providing stable support for the whole supporting device; the multipoint active supporting mechanism 2 is arranged on the base mechanism 1 and used for supporting the curved surface workpiece 4; the positioning mechanism 3 is arranged on the base mechanism 1 and used for positioning the supporting position of the manufactured curved surface workpiece 4.
The base mechanism 1 is divided into an upper layer and a lower layer and comprises: a top plate located at the upper side and a bottom plate located at the lower layer.
Multipoint initiative supporting mechanism 2 comprises the same multiple spot initiative supporting unit of a plurality of structures, just multipoint initiative supporting unit is the discrete matrix and distributes on base mechanism 1, and in this embodiment one, adopts 6X 6 to be the discrete matrix form that distributes, multipoint initiative supporting mechanism 2 that 36 multiple spot initiative supporting units constitute altogether, the vertical setting of multiple spot initiative supporting unit, its lower extreme is installed on the bottom plate of 1 lower floor of base mechanism, and its upper end passes and stretches out the roof on 1 upper strata of base mechanism.
The positioning mechanism 3 is composed of two positioning pins with the same structure, the positioning pins are vertically and fixedly installed on a top plate of the base mechanism 1, the positioning pins are detachably installed on the surface of the top plate of the base mechanism 1, the installation positions of the positioning pins can be horizontally moved according to the actual shape and size of a curved surface workpiece to be supported, the positioning pins with different specifications and sizes can be selected according to the curved surface form of the curved surface workpiece to be supported, accurate and reliable positioning of the curved surface workpiece is achieved, and the supporting stability of the multipoint active supporting mechanism 2 is improved.
As shown in fig. 2, the multipoint active supporting unit 21 is composed of a first soft supporting head 211, a first spiral rib 212, a first threaded rod 213 and a first thread driving part 214; the first thread driving portion 214 is fixedly mounted on a bottom plate of the base mechanism 1, a thread bushing is arranged in the first thread driving portion 214 and is connected with the first threaded rod 213 in a matched manner, a first driving source is further arranged in the first thread driving portion 214 and is connected with the thread bushing in a driving manner, the thread bushing rotates to drive the first threaded rod 213 to move linearly up and down along an axial direction under the driving of the first driving source, and the bottom of the first threaded rod 213 penetrates through the bottom plate of the base mechanism 1 and is driven by the first thread driving portion 214 to move up and down; first threaded rod 213's top is passed through first spiral muscle 212 links to each other with first soft head 211 of support, the top surface of first soft head 211 of support is the soft face with curved surface work piece direct contact, under the lift drive of first threaded rod 213, first soft head 211 of support can be according to the curved surface work piece position phase-match that corresponds, direct support is used in curved surface work piece bottom surface, and along with the curved surface morphological change of curved surface work piece, when first soft head 211 of support supports with curved surface work piece, through the deformation effect of first spiral muscle 212, can realize the position control in the certain limit, so that the soft head 211 of first support bottom surface of laminating curved surface work piece more, realize reliably, accurate support.
As described above, as shown in fig. 1, in the first embodiment, the support for the curved surface workpiece 4 is realized by 36 multi-point active supporting units with the same structure in a form of 6 × 6 distributed in a discrete matrix, and because the area of the curved surface workpiece 4 is relatively large, the two positioning pins of the positioning mechanism 3 are respectively located at the edge positions of the two ends of the top plate of the base mechanism 1, so as to realize accurate and reliable positioning of the curved surface workpiece.
The flexible multi-point supporting device for the curved surface piece can realize effective supporting of a conventional thin-wall weak-rigidity curved surface piece with relatively uniformly distributed wall thickness and mass and smaller curvature, can overcome the problem of deformation of a curved surface workpiece due to self weight, and can provide reliable and stable support for the curved surface workpiece.
The second embodiment:
as shown in fig. 3, the second embodiment discloses a flexible multi-point supporting device for a curved surface member, which includes: the device comprises a base mechanism 1, a multipoint active supporting mechanism 2, a positioning mechanism 3 and a reconfigurable surface mechanism 5; in the second embodiment, the supporting device is additionally provided with the reconfigurable surface mechanism 5 on the basis of the supporting device in the first embodiment, the reconfigurable surface mechanism 5 is arranged at the top of the multipoint active supporting mechanism 2, the bottom of the reconfigurable surface mechanism is connected with each multipoint active supporting unit of the multipoint active supporting mechanism 2, and the top of the reconfigurable surface mechanism is tightly attached to the top surface of the curved surface workpiece 4, so that a supporting pad-shaped structure matched with the bottom surface of the curved surface workpiece 4 is formed between the multipoint active supporting mechanism 2 and the curved surface workpiece 4 to be supported, and compared with discrete point-shaped support, the supporting device has better supporting stability.
As shown in fig. 4 and 5, the reconfigurable surface mechanism is composed of a transverse tension spring 51, a longitudinal tension spring 52, a tension spring hinge seat assembly 53, a cross hinge 54 and a magnet 55; the plurality of transverse tension springs 51 are arranged in parallel in the same horizontal plane along the horizontal direction, the plurality of longitudinal tension springs 52 are arranged in parallel in the same horizontal plane along the horizontal direction, and the longitudinal tension spring 52 is positioned above the transverse tension spring 51 and is perpendicular to the transverse tension spring 51; the top of the multipoint active supporting unit is correspondingly connected with the transverse tension spring 51; the longitudinal tension springs 52 are respectively connected with the transverse tension springs 51 at the positions which are perpendicular to and cross the transverse tension springs 51 through cross hinges 54; the magnets 55 are respectively and correspondingly arranged right above the vertical crossing position of the transverse tension spring 51 and the longitudinal tension spring 52 and are fixed at the top of the cross hinge 54;
the distribution density of the transverse tension springs 51 is greater than that of the lower multipoint active supporting unit, and the distribution density of the longitudinal tension springs 52 is greater than that of the lower multipoint active supporting unit; in the second embodiment, the multipoint active supporting units are distributed in a 6 × 6 discrete matrix form, the transverse tension springs 51 are longitudinally distributed in parallel, two transverse tension springs 51 are arranged between every two adjacent transverse tension springs 51 connected with the multipoint active supporting units, and 16 transverse tension springs 51 are provided; the longitudinal tension springs 52 are transversely distributed in parallel, the longitudinal tension springs 52 are positioned above the transverse tension springs 51 and are not connected with the multipoint active supporting units, the longitudinal tension springs 52 are vertically crossed with the transverse tension springs 51 and staggered with the positions right above the multipoint active supporting units, three longitudinal tension springs 52 are arranged between two unconnected multipoint active supporting units, and the number of the longitudinal tension springs 52 is 15; therefore, the transverse tension springs 51 and the longitudinal tension springs 52 form a tension spring net structure of 16 × 15.
As shown in fig. 5, the tension spring hinge seat assembly 53 is composed of a swing head support 531, a fixing screw 532 and a main tension spring hinge seat 533, the bottom of the swing head support 531 is fixedly connected with the top of the multipoint active supporting unit 21, a U-shaped groove is formed in the top of the swing head support 531, a transverse tension spring 51 penetrates through a middle hole of the main tension spring hinge seat 533 and is relatively fixed, the main tension spring hinge seat 533 is arranged in the U-shaped groove in the top of the swing head support 531, two sides of the main tension spring hinge seat 533 are connected with the swing head support 531 through the fixing screw 532, and then the transverse tension spring 51 is connected with the multipoint active supporting unit 21 through the tension spring hinge seat assembly 53.
In addition, the difference between the second embodiment and the first embodiment is that in the first embodiment, the top of the first threaded rod 213 of the multi-point active supporting unit 21 is a first soft supporting head 211 installed through a first spiral rib 212 and used for being in direct flexible contact with the bottom surface of the curved surface workpiece 4 for supporting, while in the second embodiment, the top of the multi-point active supporting unit 21 provides support for the curved surface workpiece 4 through the reconfigurable surface mechanism 5, and does not need to be in direct contact with the curved surface workpiece 4 and needs to be connected with the lateral tension spring 51 of the reconfigurable surface mechanism 5, so that in the second embodiment, the top of the first threaded rod 213 of the active supporting unit 21 does not need to be provided with the first spiral rib 212 and the first soft supporting head 211, but is directly connected with the lateral tension spring 51 at a corresponding position through the tension spring hinge base assembly 53.
In the second embodiment, the reconfigurable surface mechanism 5 is additionally arranged between the top of the multipoint active supporting mechanism 2 and the curved surface workpiece 4, under the driving of the multipoint active supporting mechanism 2, the reconfigurable surface mechanism 5 elastically stretches and retracts to form a reconfigurable surface matched with the curved surface piece, and the magnet 55 arranged on the reconfigurable surface mechanism is perfectly matched and attached with the bottom surface of the curved surface piece to form a supporting surface structure similar to a manufacturing entity mold, so that the supporting reliability and accuracy are further improved.
Example three:
as shown in fig. 6, the third embodiment discloses a flexible multi-point supporting device for a curved surface member, which includes: the device comprises a base mechanism 1, a multipoint active supporting mechanism 2, a positioning mechanism 3 and a reconfigurable surface mechanism 5; in the third embodiment, the supporting devices are similar to the supporting devices described in the second embodiment, and all the supporting devices are provided with the reconfigurable surface mechanism 5, in the third embodiment, the positional relationship among the seat mechanism 1, the multipoint active supporting mechanism 2, the positioning mechanism 3 and the reconfigurable surface mechanism 5 is the same as that in the second embodiment, but the reconfigurable surface mechanism 5 has a different structure from that in the second embodiment.
As shown in fig. 7 and 8, the reconfigurable profile mechanism 5 is composed of a transverse tension spring 51, a longitudinal tension spring 52 and a flexible heat-resistant pad 56; the structure forms of the transverse tension spring 51 and the longitudinal tension spring 52 are the same as those of the embodiment; the flexible heat-resistant pad 56 is a pad-shaped structure which is made of heat-resistant materials such as silica gel or nitrile rubber and has shape-following flexibility and high temperature resistance. The flexible heat-resistant pad 56 is coated outside the tension spring net composed of the transverse tension spring 51 and the longitudinal tension spring 52, so that the transverse tension spring 51 and the longitudinal tension spring 52 extend or contract and deform synchronously with the flexible heat-resistant pad 56 under the action of external force.
In the second embodiment, the deformation of the transverse tension spring 51 and the longitudinal tension spring 52 is matched with the curved surface piece through the magnets 55, that is, the shape surface of the curved surface piece is reconstructed from a plurality of points, compared with the second embodiment, the flexible heat-resistant pad 56 arranged in the third embodiment reconstructs the shape surface of the curved surface piece from one surface, and under the action of external force, the curvature of the flexible heat-resistant pad 56 is changed more uniformly, so that the reconfigurable shape surface mechanism 5 is matched and attached to the bottom surface of the curved surface piece more perfectly, and the reliability and accuracy of the support are further improved.
As in the embodiment, the multi-point active supporting mechanism 2 is composed of a plurality of multi-point active supporting units having the same structure, and the multi-point active supporting units are distributed on the base mechanism 1 in a discrete matrix form. In order to match the reconfigurable surface mechanism 5 with the flexible heat-resistant pad 56, in the third embodiment, the multi-point active supporting unit 21 includes: a first threaded rod 213, a first threaded driving part 214, a ferrule type cylindrical joint 215 and a flexible protective sleeve 216; the structure and connection relationship of the first threaded rod 213 and the first threaded driving portion 214 are the same as those of the embodiment, but different from the embodiment, the top of the first threaded rod 213 is connected to the bottom of the ferrule type cylindrical joint 215 through threads, the top of the ferrule type cylindrical joint 215 is elastically clamped to the flexible protective sleeve 216, the flexible protective sleeve 216 is fixed to the bottom surface of the flexible heat-resistant pad 56, and the reconfigurable surface mechanism 5 can be driven to uniformly change along with the bottom surface profile of the curved surface part through the lifting of the multipoint active supporting unit 21.
It should be noted that: in the second and third embodiments, the reconfigurable surface mechanism 5 is adopted, and except for the second and third embodiments, the mechanism can realize the uniform change of the profile of the bottom surface of the curved surface piece, realize the perfect matching and fitting with the bottom surface of the curved surface piece, form a supporting surface structure similar to a manufacturing entity mold, and further improve the reliability and accuracy of the support.
Example four:
as shown in fig. 9, the fourth embodiment discloses a flexible multi-point supporting device for a curved surface member, which comprises: the device comprises a base mechanism 1, a multipoint active supporting mechanism 2, a positioning mechanism 3 and a multipoint secondary supporting mechanism 6. The base mechanism 1 serves as a base of the whole supporting device and is used for providing stable support for the whole supporting device; the multi-point secondary supporting mechanism 6 is arranged on the base mechanism 1 and is used for supporting the curved surface workpiece 4; the positioning mechanism 3 is installed on the base mechanism 1 and used for positioning the supporting position of the manufactured curved surface workpiece 4.
The base mechanism 1 is divided into an upper layer and a lower layer, and comprises: a top plate located at the upper side and a bottom plate located at the lower layer.
Multipoint second grade supporting mechanism 6 comprises the same multiple spot second grade supporting unit of a plurality of structures, just multiple spot second grade supporting unit is the discrete matrix and distributes on base mechanism 1, and in this embodiment one, adopts 6X 6 to be the discrete matrix form that distributes, totally 36 multiple spot second grade supporting mechanism 6 that multiple spot second grade supporting unit constitutes, the vertical setting of multiple spot second grade supporting unit, its lower extreme is installed on the bottom plate of base mechanism 1 lower floor, and its upper end passes and stretches out the roof on base mechanism 1 upper strata.
The positioning mechanism 3 comprises two positioning pins with the same structure, the positioning pins are vertically and fixedly installed on a top plate of the base mechanism 1, the positioning pins are detachably installed on the surface of the top plate of the base mechanism 1, the mounting positions of the positioning pins can be horizontally moved according to the actual shape and size of a curved surface workpiece to be supported, the positioning pins with different specifications and sizes can be selected according to the curved surface shape of the curved surface workpiece to be supported, accurate and reliable positioning of the curved surface workpiece is achieved, and the supporting stability of the multi-point secondary supporting mechanism 6 is improved.
As shown in fig. 10, the multipoint active supporting unit is composed of a lower secondary active supporting component 61 and an upper secondary passive supporting component 62, wherein:
the secondary driving support assembly 61 is composed of a second threaded rod 611 and a second threaded driving part 612, the second threaded driving part 612 is fixedly installed on the bottom plate of the base mechanism 1, a threaded sleeve is arranged inside the second threaded driving part 612 and is connected with the second threaded rod 611 in a matching manner, a second driving source is further arranged inside the second threaded driving part 612 and is connected with the threaded sleeve in a driving manner, under the driving of the second driving source, the threaded sleeve rotates to drive the second threaded rod 611 to move linearly up and down along the axial direction, the bottom of the second threaded rod 611 penetrates through the bottom plate of the base mechanism 1, and the lifting movement is realized under the driving of the second threaded driving part 612;
the secondary passive support component 62 and the secondary active support component 61 are coaxially arranged and consist of a passive support rod 621, a passive support spring 622, a second support soft head 623 and a second spiral rib 624; the lower end of the passive support rod 621 is sleeved in a sleeve structure at the upper end of the second threaded rod 611, the passive support spring 622 is sleeved outside the passive support rod 621, the bottom of the passive support spring 622 abuts against and is limited on the outer edge of the top of the sleeve structure at the upper end of the second threaded rod 611, the top of the passive support spring 622 abuts against and is limited on the bottom surface of the outer edge of the top of the passive support rod 621, the top of the passive support rod 621 is connected with a second soft support head 623 through the second spiral rib 624, the top surface of the second soft support head 623 is a soft surface directly contacted with a curved surface workpiece, the second soft support head 623 can be matched according to the position of the corresponding curved surface workpiece, the second soft support head directly supports the bottom surface of the curved surface workpiece, and along with the change of the curved surface shape of the curved surface workpiece, when the second soft support head 623 supports the curved surface workpiece, the position adjustment within a certain range can be realized through the deformation effect of the second spiral rib 624, so that the second supporting soft head 623 is more attached to the bottom surface of the curved surface workpiece, and reliable and accurate supporting is realized.
The support principle of the multipoint active support unit is as follows: the secondary active supporting component 61 positioned above is more suitable for supporting the thin and light position of the wall of the curved surface workpiece, the curved surface workpiece is mainly acted on the secondary active supporting component 61, the thin and light position of the wall of the curved surface workpiece is attached and supported by the rebound force of the passive supporting spring 622, and the generated deformation is compensated; the lower secondary passive support component 62 is more suitable for supporting the position of the curved surface workpiece with heavy mass, and the second thread driving part 612 is driven by the second thread driving part 612 to move up and down, so that the position of the curved surface workpiece with heavy mass can be stably and reliably supported.
Fourth embodiment the flexible multi-point supporting device for curved surface workpiece adopts the active supporting unit to add the passive supporting structure, and forms the multi-point two-stage supporting mechanism composed of the active supporting unit and the passive supporting unit, and can realize effective supporting of curved surface workpiece with uneven wall thickness or quality, wherein: the position that thin and the matter is light to curved surface work piece wall can realize reliably supporting through passive bearing structure, and can realize reliably supporting through adjusting initiative bearing structure to the position that curved surface work piece wall thickness and matter are heavy, and the pertinence is stronger.
Example five:
as shown in fig. 11, this embodiment five discloses a flexible multi-point supporting device for curved surface member, comprising: the device comprises a base mechanism 1, a multi-point active supporting mechanism 2, a positioning mechanism 3 and a linkage supporting mechanism 7. The base mechanism 1 is used as a base of the whole supporting device and used for providing stable support for the whole supporting device; the linkage supporting mechanism 7 is arranged on the base mechanism 1 and used for supporting the curved surface workpiece 4; the positioning mechanism 3 is installed on the base mechanism 1 and used for positioning the supporting position of the manufactured curved surface workpiece 4.
The base mechanism 1 is divided into an upper layer and a lower layer, and comprises: a top plate located at the upper side and a bottom plate located at the lower layer.
Linkage supporting mechanism 7 comprises the same linkage supporting unit group of a plurality of structures, just linkage supporting unit group is the discrete matrix and distributes on base mechanism 1, and in this embodiment four, adopts 3 x 3 discrete matrix distribution form, and 9 groups linkage supporting mechanism 7 that the linkage supporting unit group constitutes altogether, the vertical setting of linkage supporting unit group, its lower extreme is installed on the bottom plate of 1 lower floor of base mechanism, and its upper end passes and stretches out the roof on 1 upper strata of base mechanism.
The positioning mechanism 3 is composed of two positioning pins with the same structure, the positioning pins are vertically and fixedly installed on a top plate of the base mechanism 1, the positioning pins are detachably installed on the surface of the top plate of the base mechanism 1, the installation positions of the positioning pins can be horizontally moved according to the actual shape and size of a curved surface workpiece to be supported, the positioning pins with different specifications and sizes can be selected according to the curved surface shape of the curved surface workpiece to be supported, accurate and reliable positioning of the curved surface workpiece is achieved, and supporting stability of the linkage supporting mechanism 7 is improved.
As shown in fig. 12, the linkage supporting unit group is composed of a linkage lifting assembly 72 located at the lower part, a linkage supporting plate 73 located at the middle part, and linkage passive supporting units 71 located at the upper part, wherein a plurality of linkage passive supporting units 71 are distributed and installed on the upper surface of the linkage supporting plate 73 in a discrete matrix form, in the fourth embodiment, a 3 × 3 discrete matrix form distribution form is adopted, and a total of 9 linkage passive supporting units 71 are vertically and fixedly installed on the linkage supporting plate 73; the linkage lifting component 72 is arranged on the lower surface of the linkage supporting plate 73, the lower end of the linkage lifting component 72 is arranged on the bottom plate of the lower layer of the base mechanism 1, and the upper end of the linkage lifting component can penetrate through the top plate of the upper layer of the base mechanism 1; under the lifting drive of the linkage lifting assembly 72, the linkage driven supporting unit 71 is driven to move up and down through the linkage supporting plate 73 so as to adjust the supporting height position of the linkage driven supporting unit.
As shown in fig. 13, the linkage passive supporting unit 71 is composed of a linkage supporting seat 711, a linkage supporting spring 712, a linkage spring supporting rod 713, a ball 714, a fixing nut 715, a rocker 716, a third spiral rib 717, and a micro-suction cup 718. The bottom of the linkage supporting seat 711 is fixed on the linkage supporting plate 73, the linkage supporting spring 712 is arranged in the linkage supporting seat 711 along the vertical direction, the linkage spring supporting rod 703 is vertically arranged, the lower end of the linkage spring supporting rod 703 penetrates through an opening at the top of the linkage supporting seat 711 and abuts against the top of the linkage supporting spring 712, the bottom of the linkage supporting spring 712 abuts against the bottom of the inner side of the linkage supporting seat 711, under the action of vertical external force, the linkage spring support bar 713 and the linkage support spring 712 interact to realize passive lifting motion, the ball 714 is arranged in a spherical groove at the top of the linkage spring support bar 713, and is mounted on the top of the linkage spring support bar 713 through the fixing nut 715, the ball 714 rotates relatively on the top of the linkage spring support bar 713, the bottom end of the rocker 716 is connected with the ball head 714, the third spiral rib 717 is arranged at the lower end of the rocker 716, and the mini-sucker 718 is arranged at the top of the rocker 716;
In the linkage passive supporting unit 71, the micro suction cup 718 is adsorbed on the bottom surface of the curved surface workpiece, the micro suction cup 718 can directly adsorb on the bottom surface of the curved surface workpiece according to the position matching of the corresponding curved surface workpiece, and the micro suction cup 718 can swing within a certain range through the rotation of the ball head 714 and the deformation of the third spiral rib 717, so that the position adjustment is realized, the micro suction cup 718 can reliably adsorb the curved surface workpiece along with the curved surface form change of the curved surface workpiece, the bottom surface of the curved surface workpiece can be more attached, and the reliable and accurate supporting is realized.
As shown in fig. 11 and fig. 12, the linkage lifting assembly 72 is composed of a plurality of linkage lifting screws 721 and a linkage screw driving portion 722, in the fourth embodiment, there are four linkage lifting screws 721 arranged vertically and parallel to each other, the top of the linkage lifting screws 721 are fixed at the bottom of the linkage supporting plate 73, the bottom of the linkage lifting screws 721 passes through the bottom plate of the base mechanism 1, the linkage screw driving portion 722 is fixed on the bottom plate of the base mechanism 1, linkage screw sleeves in one-to-one corresponding and matching connection with the linkage lifting screws 721 are arranged in the linkage screw driving portion 722, a linkage driving source and a linkage screw sleeve driving link are further arranged in the linkage screw driving portion 722, under the driving of the linkage driving source, the linkage screw sleeves synchronously rotate to drive the linkage lifting screws 721 to synchronously move up and down linearly along the axial direction, the bottom of the linkage lifting screws 721 passes through the bottom plate of the base mechanism 1, and realize the lifting motion under the driving of the linkage screw driving portion 722, the linkage passive support unit 71 is driven by the linkage support plate 73 to move up and down horizontally;
This embodiment is five a flexible multiple spot strutting arrangement for curved surface spare, the support element of discrete matrix evenly divide into a plurality of pieces, forms linkage supporting unit group to constitute linkage supporting mechanism 7 by a plurality of linkage supporting unit groups that are the matrix distribution, can realize the effective support to big curvature curved surface work piece 4, because linkage supporting unit group's support difference in height scope is great, can to a certain extent promote the reliability of supporting, can effectively overcome big curvature curved surface work piece because of the local support unstable problem that has great difference in height to produce.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A flexible multi-point support for curved pieces, comprising: base mechanism, supporting mechanism and positioning mechanism, its characterized in that:
The supporting mechanism is composed of a plurality of supporting parts with the same structure, and the supporting parts are distributed on the base mechanism in a discrete matrix form.
2. The flexible multi-point support apparatus for a curved surface member of claim 1, wherein:
the supporting mechanism is a multipoint active supporting mechanism;
the multipoint active supporting mechanism consists of a plurality of multipoint active supporting units with the same structure, and the multipoint active supporting units are distributed on the base mechanism in a discrete matrix form;
the multi-point active supporting unit comprises a first supporting soft head, a first spiral rib, a first threaded rod and a first thread driving part, wherein:
first screw thread drive division fixed mounting is on the base mechanism bottom plate, the inside thread bush of being connected with the cooperation of first threaded rod to and the first driving source of being connected with the thread bush drive that is equipped with of first screw thread drive division, first threaded rod top is passed through first spiral muscle links to each other with the soft head of first support.
3. The flexible multi-point support apparatus for a curved surface member of claim 1, wherein:
the supporting mechanism is a multipoint active supporting mechanism;
the multipoint active supporting mechanism consists of a plurality of multipoint active supporting units with the same structure, and the multipoint active supporting units are distributed on the base mechanism in a discrete matrix form;
The multipoint active supporting unit consists of a first threaded rod and a first threaded driving part, the first threaded driving part is fixedly installed on a base mechanism bottom plate, and a threaded sleeve in matched connection with the first threaded rod and a first driving source in driving connection with the threaded sleeve are arranged in the first threaded driving part;
the flexible multi-point support device further comprises: a reconfigurable profile mechanism;
reconfigurable profile mechanism comprises horizontal extension spring, longitudinal extension spring, extension spring free bearing subassembly, cross hinge and magnet, wherein:
a plurality of horizontal extension spring is horizontal along the level and is parallel arrangement in same horizontal plane, and is a plurality of longitudinal extension spring is located horizontal extension spring top to the setting of the horizontal extension spring of perpendicular to, first threaded rod top with horizontal extension spring corresponds the connection, longitudinal extension spring links to each other with horizontal extension spring vertical cross position respectively through the cross hinge with horizontal extension spring vertical cross position, magnet corresponds respectively and installs directly over horizontal extension spring and longitudinal extension spring vertical cross position to fix at the cross hinge top.
4. A flexible multi-point support apparatus for curved articles, according to claim 3, wherein:
extension spring free bearing subassembly comprises yaw support, set screw and main extension spring free bearing, wherein:
The bottom of the swing head support is fixedly connected with the top of the multipoint active supporting unit, a U-shaped groove is formed in the top of the swing head support, a transverse tension spring penetrates through a middle hole of the main tension spring hinged support and is relatively fixed, the main tension spring hinged support is arranged in the U-shaped groove in the top of the swing head support, and two sides of the main tension spring hinged support are connected with the swing head support through fixing screws.
5. The flexible multi-point support apparatus for curved articles of claim 1, wherein:
the supporting mechanism is a multipoint active supporting mechanism;
the multipoint active supporting mechanism consists of a plurality of multipoint active supporting units with the same structure, and the multipoint active supporting units are distributed on the base mechanism in a discrete matrix form;
the multipoint active supporting unit consists of a first threaded rod and a first threaded driving part, the first threaded driving part is fixedly installed on a base mechanism bottom plate, and a threaded sleeve in matched connection with the first threaded rod and a first driving source in driving connection with the threaded sleeve are arranged in the first threaded driving part;
the flexible multi-point support device further comprises: a reconfigurable profile mechanism;
reconfigurable profile mechanism comprises horizontal extension spring, vertical extension spring and flexible heat-resistant pad, wherein:
The horizontal tension springs are horizontally and transversely arranged in parallel in the same horizontal plane, the longitudinal tension springs are positioned above the horizontal tension springs and are arranged perpendicular to the horizontal tension springs to form a tension spring net, the longitudinal tension springs are respectively connected with the horizontal tension springs at the positions which are vertically crossed with the horizontal tension springs through cross hinges, the flexible heat-resistant pad is coated on the outer side of the tension spring net, and the top of the first threaded rod is connected to the bottom of the flexible heat-resistant pad through an elastic piece;
the top of the first threaded rod is correspondingly connected with the transverse tension springs, and the magnets are correspondingly arranged right above the vertical crossing positions of the transverse tension springs and the longitudinal tension springs respectively and are fixed at the tops of the cross hinges.
6. The flexible multi-point support apparatus for a curved surface member of claim 1, wherein:
the supporting mechanism is a multi-point secondary supporting mechanism;
the multi-point secondary supporting mechanism consists of a plurality of multi-point secondary supporting units with the same structure, and the multi-point secondary supporting units are distributed on the base mechanism in a discrete matrix form;
the multi-point active supporting unit consists of a secondary active supporting component positioned below and a secondary passive supporting component positioned above, wherein:
the second-stage driving support assembly consists of a second threaded rod and a second threaded driving part, the second threaded driving part is fixedly installed on a bottom plate of the base mechanism, and a threaded sleeve in matched connection with the second threaded rod and a second driving source in driving connection with the threaded sleeve are arranged in the second threaded driving part;
The second-level passive supporting assembly and the second-level active supporting assembly are coaxially arranged and composed of a passive supporting rod, a passive supporting spring, a second supporting soft head and a second spiral rib, the lower end of the passive supporting rod is sleeved in a sleeve structure at the upper end of the second threaded rod, the passive supporting spring is sleeved outside the passive supporting rod, the bottom of the passive supporting spring abuts against the top of the sleeve structure which is limited at the upper end of the second threaded rod and is arranged on the outer edge of the top of the passive supporting spring, the top of the passive supporting spring abuts against the top of the passive supporting rod and is arranged on the bottom surface of the outer edge of the top of the passive supporting rod, and the top of the passive supporting rod is connected with the second supporting soft head through the second spiral rib.
7. The flexible multi-point support apparatus for a curved surface member of claim 1, wherein:
the supporting mechanism is a linkage supporting mechanism;
the linkage supporting mechanism consists of a plurality of linkage supporting unit groups with the same structure, and the linkage supporting unit groups are distributed on the base mechanism in a discrete matrix form;
the linkage supporting unit group comprises the linkage lifting unit who is located the below, the linkage backup pad that is located the centre and the linkage passive support unit who is located the top, wherein:
the linkage passive supporting units are distributed on the upper surface of the linkage supporting plate in a discrete matrix manner, the linkage lifting assembly is arranged on the lower surface of the linkage supporting plate, the lower end of the linkage lifting assembly is arranged on a bottom plate on the lower layer of the base mechanism, and the upper end of the linkage lifting assembly can penetrate through a top plate on the upper layer of the base mechanism; under the lifting drive of the linkage lifting component, the linkage driven supporting unit is driven by the linkage supporting plate to move up and down so as to adjust the supporting height position of the linkage driven supporting unit.
8. The flexible multi-point support apparatus for a curved surface member of claim 7, wherein:
the passive supporting element of linkage comprises linkage supporting seat, linkage supporting spring, linkage spring bracing piece, bulb, fixation nut, rocker, third spiral muscle and miniature sucking disc, wherein:
the bottom of the linkage supporting seat is fixed on the linkage supporting plate, the linkage supporting spring is arranged in the linkage supporting seat along the vertical direction, the linkage spring supporting rod is vertically arranged, the lower end of the linkage spring supporting rod penetrates through an opening in the top of the linkage supporting seat and abuts against the top of the linkage supporting spring, the bottom of the linkage supporting spring abuts against the bottom of the inner side of the linkage supporting seat, the ball head is arranged in a spherical groove in the top of the linkage spring supporting rod and passes through the fixing nut and is mounted at the top of the linkage spring supporting rod, the ball head relatively rotates at the top of the linkage spring supporting rod, the bottom end of the rocker is connected with the ball head, the third spiral rib is arranged at the lower end of the rocker, and the miniature sucker is mounted at the top of the rocker.
9. The flexible multi-point support apparatus for a curved surface member of claim 7, wherein:
the linkage lifting assembly is composed of a plurality of linkage lifting screw rods and a linkage thread driving portion, the tops of the linkage lifting screw rods are fixed to the bottom of the linkage supporting plate, the bottoms of the linkage lifting screw rods penetrate through the bottom plate of the base mechanism, the linkage thread driving portion is fixed to the bottom plate of the base mechanism, linkage thread sleeves connected with the linkage lifting screw rods in a one-to-one matching mode are arranged inside the linkage thread driving portion, and a linkage driving source connected with the linkage thread sleeves in a driving mode is further arranged inside the linkage thread driving portion.
10. The flexible multi-point support apparatus for curved members as claimed in any one of claims 1 to 9, wherein:
the positioning mechanism is composed of a plurality of positioning pins, and the positioning pins are vertically arranged and detachably mounted on a top plate of the base mechanism.
CN202210625099.9A 2022-06-02 2022-06-02 Flexible multi-point supporting device for curved surface piece Active CN114770439B (en)

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