CN113334096A - Gantry sliding table flexible hinge support assembly and gantry double-drive device thereof - Google Patents
Gantry sliding table flexible hinge support assembly and gantry double-drive device thereof Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
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Abstract
The invention relates to a gantry sliding table flexible hinge support assembly and a gantry double-drive device thereof in the technical field of machine tool manufacturing and the like, wherein the gantry sliding table flexible hinge support assembly comprises a rotary flexible hinge support and a deflection flexible hinge support; the rotary flexible hinge supports and the bias-torsion flexible hinge supports are used in pairs and are respectively connected to the guide rails on the two sides of the gantry sliding table in a sliding manner; when the gantry sliding table slides along the guide rails on the two sides of the gantry sliding table, the rotary flexible hinge support and the deflection flexible hinge support passively compensate for the tension-compression and bending-torsion deformation of the gantry beam in the span direction caused by the asynchronism of the straightness, parallelism and movement of the guide rails on the two sides of the gantry sliding table through the deformation mode of combining the hinge rotation and deflection. The invention ensures the rigidity of system operation through the integrated flexible hinge design, and solves the problems of extremely high requirement on the installation precision of the gantry sliding table and the gantry double-drive device system, difficult installation, adjustment and control, unsmooth operation, poor repeated positioning precision and the like.
Description
Technical Field
The invention relates to the technical fields of mechanical design, motion control, machine tool manufacturing and the like, in particular to a gantry sliding table flexible hinge support assembly and a gantry double-drive device thereof.
Background
The gantry double-drive system is a general solution for large-scale machine tools and measuring equipment, and the movement precision of the gantry double-drive system is influenced by a series of factors such as the straightness, the parallelism and the movement synchronism of two sides of a guide rail on two sides of a gantry sliding table. The traditional gantry beam rigid connection mode has extremely high requirement on the installation precision of a system, the motion straightness and parallelism errors of a linear module or a guide rail system directly reflect to the positioning precision of the system, and even the situation that the left side and the right side cannot reach designated synchronous positions simultaneously occurs. Meanwhile, the bilateral linear modules do not move synchronously, so that the gantry beam and the guide rail system are deformed by pulling, pressing, bending and twisting and the like, even a mechanical system is damaged, the control difficulty is increased undoubtedly, and the high-speed operation safety of the system is limited.
Through the retrieval, chinese utility model patent application number is CN 201921169045.6, has proposed a longmen two deviation compensation technique that drive, adopts piezoceramics, flexible hinge system to compensate the lathe motion error, it needs to point out that the device only can be used for compensating the displacement deviation of longmen system direction of motion, can not eliminate longmen crossbeam direction, the orbital straightness accuracy of two sides, the operation jam problem that the depth of parallelism leads to, the inside deformation that relies on flexible hinge alone measures lathe motion error and has precision and reliability problem. In addition, the chinese patent application No. CN 201610144577.9 proposes a method for eliminating internal stress of a gantry system and a beam by a rotating mechanism and a guiding mechanism, where structural assembly and superposition may weaken the rigidity of the gantry system, and a mechanism movement gap may further weaken the precision of the gantry system, which is not favorable for the use of the gantry system in a high-precision application scenario.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a gantry sliding table flexible hinge support assembly and a gantry double-drive device thereof.
The gantry sliding table flexible hinge support assembly comprises a rotary flexible hinge support and a deflection flexible hinge support;
the rotary flexible hinge supports and the bias-torsion flexible hinge supports are used in pairs and are respectively connected to the guide rails on the two sides of the gantry sliding table in a sliding manner;
when the guide rails on the two sides of the gantry sliding table slide, the rotary flexible hinge support and the deflection flexible hinge support passively compensate for the tension, compression and bending deformation of the gantry beam in the span direction caused by the asynchronism of the guide rails on the two sides of the gantry sliding table in the straightness and parallelism and the movement of the two sides through the deformation mode of the hinge rotation and deflection combination.
In some embodiments, the flexible rotary hinge support includes a flexible rotary support hinge, the flexible rotary support hinge includes a first base plate, a first micro-motion disk and a first thin-wall beam, a first accommodating hole is formed in the first base plate, the first micro-motion disk is connected in the first accommodating hole through a plurality of first thin-wall beams, the first thin-wall beams are arranged in a cross-shaped cross symmetry manner, and the first support adapter plate is fastened to the first micro-motion disk;
the longitudinal axis direction of one pair of first thin-wall beams which are arranged in a straight line shape in the first thin-wall beams in the cross shape is parallel to the moving direction of the gantry sliding table, and the first micro-moving disk and the first base plate generate relative rotary motion through the bending deformation of the first thin-wall beams.
In some embodiments, the flexible hinge support further includes a first support adapter plate, the first micro-motion plate is provided with a first shaft hole, the first support adapter plate is provided with a first fixing shaft, the first fixing shaft is in interference fit with the first shaft hole, and the first support adapter plate generates a relative rotation motion relative to the first base plate through the first micro-motion plate.
In some embodiments, the flexible offset-torsion hinge support includes a flexible offset-torsion support hinge, the flexible offset-torsion support hinge includes a second substrate, a second micro-motion disk and a second thin-wall beam, a second accommodating hole is formed in the second substrate, the second micro-motion disk is connected in the second accommodating hole through a plurality of second thin-wall beams, the second thin-wall beams are symmetrically arranged in a straight line shape, and the second adapter plate is fastened and connected with the second micro-motion disk;
the longitudinal axis direction of the second thin-wall beams symmetrically arranged in a straight line shape is parallel to the moving direction of the gantry sliding table, and the second micro-moving disk and the second substrate generate relative displacement and torsional movement through the bending deformation of the second thin-wall beams.
In some embodiments, the flexible hinge support further includes a second support adapter plate, the second micro-motion plate is provided with a second shaft hole, the second support adapter plate is provided with a second fixing shaft, the second fixing shaft is in interference fit with the second shaft hole, and the second support adapter plate generates relative displacement and torsional motion relative to the second base plate through the second micro-motion plate.
In some embodiments, the offset torsion support hinge is further provided with flexible deformation members, two groups of flexible deformation members are symmetrically arranged on two sides of the second micro-movable disk, and the two groups of flexible deformation members and the second thin-wall beams symmetrically arranged in a straight line form a cross configuration.
In some embodiments, the deformable member is a thin-walled oval, thin-walled diamond, or thin-walled corrugated member.
In some embodiments, the flexible hinge support is formed by a single-piece forming process.
The invention also provides a gantry double-drive device, which adopts the gantry sliding table flexible hinge support assembly and further comprises a gantry linear module and a gantry beam;
the gantry linear module comprises a first linear module and a second linear module, the first linear module and the second linear module are arranged in parallel, the rotary flexible hinge support is connected to the first linear module in a sliding mode through the first substrate, and the deflection flexible hinge support is connected to the second linear module in a sliding mode through the second substrate;
one end of the gantry beam is connected with the first micro-moving disk or the first support adapter plate, and the other end of the gantry beam is fixedly connected with the second micro-moving disk or the second support adapter plate.
In some embodiments, the first linear module and the second linear module are fixed on the base.
Compared with the prior art, the invention has the following beneficial effects:
1. the flexible hinge support assembly for the gantry sliding table, provided by the invention, is used in combination with the rotary flexible hinge support and the deflection flexible hinge support, passively compensates for the straightness and parallelism of guide rails on two sides of the gantry sliding table, and the deformation of tension, compression, bending and the like of a gantry beam in the span direction caused by asynchronous movement of the two sides, and comprehensively solves the problems of high requirement on the installation precision of a gantry sliding table and a gantry double-drive device system, difficulty in installation, adjustment and control, running jam, poor repeated positioning precision and the like.
2. According to the flexible hinge support assembly for the gantry sliding table, due to the integrated flexible hinge support design, gaps and errors caused by an additional motion mechanism are avoided, internal stress of a gantry system can be eliminated on the premise that rigidity of the sliding table in the moving direction is guaranteed, and submicron positioning accuracy can be easily achieved through testing.
3. According to the gantry sliding table flexible hinge support assembly, the deflection deformation component is arranged on the deflection flexible support hinge, so that the relative movement of micro-deflection and torsion of the micro-motion disk is effectively absorbed, the overturning phenomenon of the micro-motion disk in the deflection flexible support hinge is prevented, and the stability of the deflection flexible support hinge structure is ensured.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of an explosive structure supported by a flexible hinge according to the present invention;
FIG. 2 is a schematic illustration of an offset torsion flexible hinge support explosion configuration of the present invention;
FIG. 3 is a schematic structural view of the offset flexible hinge support of the present invention after it has been provided with a thin-walled oval;
FIG. 4 is a schematic structural view of the offset torsion flexible hinge support of the present invention after it has been provided with a thin-walled diamond;
FIG. 5 is a schematic structural view of the offset flexible hinge support of the present invention after it has been provided with a thin wall S-shape;
fig. 6 is a schematic diagram of an explosion structure of the flexible support high-precision gantry double-drive device.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
Example 1
The invention provides a flexible hinge support assembly of a gantry sliding table, which comprises a rotary flexible hinge support 1 and a deflection flexible hinge support 2, wherein the rotary flexible hinge support 1 and the deflection flexible hinge support 2 are used in pairs, and the rotary flexible hinge support 1 and the deflection flexible hinge support 2 which are used in pairs are respectively connected to guide rails on two sides of the gantry sliding table in a sliding manner.
The flexible rotary hinge support 1 includes a flexible rotary hinge 11, and preferably, a first support adapter plate 12, where the flexible rotary hinge 11 mainly includes a first base plate 111, a first micro-motion plate 112, and a first thin-wall beam 113. The first base plate 111 is provided with a first containing hole 1110, the first micro-moving disk 112 is connected to the first containing hole 1110 through four first thin-wall beams 113 which are equally distributed along the outer peripheral surface of the first micro-moving disk 112, and the four first thin-wall beams 113 form a cross configuration. The number of the first thin-walled beams 113 forming the "cross" configuration may be more than 4, and may be, for example, 6, 8, or the like, according to the structural shape of the first thin-walled beams 113 and the external force to be applied. The first support adapter plate 12 and the first micro-motion plate 112 are fastened and connected through screws, bolts, welding and the like. Preferably, the first support adapter plate 12 is provided with a first fixing shaft 121, the first micro-motion disk 112 is provided with a first shaft hole 1120, and the firmness of the first support adapter plate 12 after being connected with the first micro-motion disk 112 can be further improved through the interference fit of the first fixing shaft 121 and the first shaft hole 1120. Further, the first shaft hole 1120 and the first fixing shaft 121 can be a group, and can be a plurality of groups. The forming method of the flexible hinge support 1 can be, in addition to the above-mentioned separate connection structure, directly formed by an integral forming method, and the integrated first substrate 111 and the first support adapter plate 12 and the first thin-wall beam 113 are formed by additive manufacturing or material removal on one substrate.
The offset-torsion flexible hinge support 2 comprises an offset-torsion flexible support hinge 21 and preferably further comprises a second support adapter plate 22, and the offset-torsion flexible support hinge 21 mainly comprises a second base plate 211, a second micro-motion plate 212 and a second thin-wall beam 213. A second containing hole 2110 is formed in the second base plate 211, the second micro-motion disk 212 is connected to the second containing hole 2110 through two second thin-wall beams 213 symmetrically distributed along the outer peripheral surface of the second micro-motion disk 212, and the two second thin-wall beams 213 form a straight configuration. The number of the second thin-wall beams 213 forming the "in-line" configuration may be more than 2, and is mainly set according to the structural shape of the second thin-wall beams 213 and the external force to be applied, for example, 4 beams may be used. The second support adapter plate 22 and the second micro-motion plate 212 are fastened and connected through bolts, welding and the like. Preferably, the second support adapter plate 22 is provided with a second fixing shaft 221, the first micro-moving disk 212 is provided with a second shaft hole 2120, and the firmness of the connection between the second support adapter plate 22 and the second micro-moving disk 212 can be further improved through the interference fit between the second fixing shaft 221 and the second shaft hole 2120. Further, the second shaft hole 2120 and the second fixing shaft 221 adapted thereto may be 1 group, or more than one group. The forming method of the offset-torsion flexible hinge support 2 can be directly formed in an integrated forming manner, and the integrated second substrate 211 and the second support adapter plate 22 are formed and 2 second thin-wall beams 213 are formed by additive manufacturing or material removal on one substrate, besides the above-mentioned split connection structure.
The working principle of the gantry sliding table flexible hinge support assembly provided by the invention is explained as follows:
the rotary flexible hinge supports 1 and the offset-torsion flexible hinge supports 2 used in pairs are respectively connected to guide rails on two sides of the gantry sliding table in a sliding mode through a first base plate 111 and a second base plate 211, the longitudinal axis direction of a pair of first thin-wall beams 113 which are arranged in a straight line shape and in the cross-shaped structure of the rotary flexible hinge supports 1 after connection is parallel to the moving direction of the gantry sliding table, and the longitudinal axis direction of a second thin-wall beam 213 which is in a straight line shape and in the offset-torsion flexible hinge supports 2 after connection is parallel to the moving direction of the gantry sliding table. In the process that the rotary flexible hinge support 1 and the offset-torsion flexible hinge support 2 move along the guide rail, the rotary flexible hinge support 1 enables the first micro-motion disk 112 to rotate slightly relative to the first base plate 111 through the first thin-wall beams 113 in a cross-shaped structure, and the first micro-motion disk 112 and the first base plate 111 are limited to move relatively in the gantry sliding table moving direction by the tensile stiffness of the two first thin-wall beams 113 parallel to the moving direction in the gantry sliding table moving direction. Similarly, the flexible hinge support 2 makes the second micro-dynamic disk 212 generate micro-displacement and offset torsion rotation perpendicular to the moving direction of the gantry sliding table relative to the second substrate 211 through the symmetrically distributed "straight" second thin-walled beam 213, but the second micro-dynamic disk 212 and the second substrate 211 are limited to generate relative displacement in the moving direction of the gantry sliding table by the tensile rigidity of the second thin-walled beam 213 in the moving direction of the gantry sliding table, so that the first micro-dynamic disk 112 and the first substrate 111 as well as the second micro-dynamic disk 212 and the second substrate 211 can keep the relative position of high rigidity fixed along the moving direction of the gantry sliding table, and further on the premise of ensuring the rigidity in the moving direction of the gantry sliding table, the internal stress of the gantry system is eliminated, and the movement precision of the system is improved.
Example 2
This embodiment 2 forms on embodiment 1's basis, through set up the flexible component that warp on the flexible hinge support of partially twisting, effectively absorbs the micro-displacement and the torsional relative motion of little driving disk, prevents the upset phenomenon of little driving disk in the flexible hinge support of partially twisting simultaneously, ensures the stability of the flexible hinge structure that supports of partially twisting. Specifically, the method comprises the following steps:
as shown in fig. 1 to 5, the flexible hinge support 2 is further provided with two sets of flexible deformation members 214, the two sets of flexible deformation members 214 are symmetrically connected to two sides of the second cam 212, the other end of the flexible deformation member 214 is connected to the inner peripheral surface of the accommodating hole 11, and the two sets of flexible deformation members 214 and the pair of the first thin-wall beams 213 form an approximate "cross" configuration. When the flexible hinge support 2 is twisted partially along the guide rail reciprocating motion, the flexible deformation components 214 on the two sides can effectively accommodate the micro-offset and torsional relative motion of the second micro-motion disk 212, and meanwhile, the second micro-motion disk 212 is supported in an auxiliary supporting manner, so that the phenomenon of overturning after the second micro-motion disk 212 is stressed in the flexible hinge support 2 is prevented from being twisted partially.
The flexible deformation member 214 is preferably a thin-walled oval 2141, a thin-walled diamond 2142, or a thin-walled wavy 2143, wherein the thin-walled wavy is preferably S-shaped. When the flexible deformation member 214 is a thin-walled ellipse 2141, the mounting manner is preferably that the long axes of two sets of thin-walled ellipses are parallel and the "straight" shape formed by 1 pair of second thin-walled beams 213 is also parallel, that is, two vertexes of the short axis direction of the two sets of thin-walled ellipses 2141 are respectively connected with the outer peripheral surface of the micro-motion disk 2 and the inner peripheral surface of the second accommodating hole 2110, and the connection points are located on the same central axis, so as to better accommodate the relative movement of micro-motion and torsion of the micro-motion disk and play a good role of auxiliary support. When the flexible deformation member 214 is the thin-wall diamond 2142, the installation manner is the same as that of the thin-wall oval, i.e. the long diagonal lines of the two sets of thin-wall diamonds 2142 are parallel and are symmetrically arranged in parallel with the line shape formed by 1 pair of the second thin-wall beams 213. When the flexible deformation member 214 is a thin-wall wave 2143, it is preferably a thin-wall S shape, two groups of thin-wall S shapes are also symmetrically distributed on both sides of the second cam 221, and two ends of the thin-wall S shape are respectively connected to the inner peripheral surface of the second cam 212 and the outer peripheral surface of the second receiving hole 2110 and are located on the extension line of the same central axis.
Example 3
The embodiment 3 is a flexible support high-precision gantry double-drive device formed on the basis of the embodiment 1 or 2, and the flexible hinge support assembly of the gantry sliding table described in the embodiment 1 or 2 is adopted, and the flexible hinge support assembly further comprises two gantry linear modules 3 and two gantry cross beams 4, wherein the two gantry linear modules 3 comprise a first linear module 31 and a second linear module 32.
As shown in fig. 1 to 6, the first linear module 31 and the second linear module 32 are disposed in parallel, and preferably, the first linear module 31 and the second linear module 32 are mounted on the base 5, and the base 5 is used for providing better flatness and ensuring parallelism and levelness of the two gantry linear modules 3 after being mounted. The first linear module 31 and the second linear module 32 are respectively provided with a slider, the first substrate 111 is fastened and connected with the slider of the first linear module 31 by means of screws and bolts, and the second substrate 211 is fastened and connected with the slider of the second linear module 32 by means of screws and bolts. The two ends of the gantry beam 4 are respectively connected with the first support adapter plate 12 and the second support adapter plate 22, and the preferred connection mode is that the two ends of the gantry beam 4 respectively cover the first support adapter plate 12 and the second support adapter plate 22, and then are connected and fixed in a screw bolt mode and the like. After the flexible rotary hinge support 1 and the flexible offset-torsion hinge support 2 are respectively connected to the first linear module 31 and the second linear module 32 in a sliding manner, the longitudinal axis of one group of the first thin-walled beams 113 in the shape of a cross in the flexible rotary hinge support 1 and the longitudinal axis of the first thin-walled beam 113 in the shape of a straight line are parallel to the longitudinal axis of the guide rail of the first linear module 31, namely parallel to the moving direction, and similarly, the longitudinal axis of the second thin-walled beam 213 in the shape of a straight line in the flexible offset-torsion hinge support 2 and the longitudinal axis of the guide rail of the second linear module 32 are parallel to each other, namely parallel to the moving direction.
The working principle of the gantry double-drive device provided by the invention is as follows:
the linear motion of the gantry linear module 3 with parallel two sides is respectively transmitted to the first support adapter plate 12 and the second support adapter plate 22 through the rotary flexible support hinge 11 and the bias-torsion flexible support hinge 21, and then the first support adapter plate 12 and the second support adapter plate 22 are transmitted to the gantry beam 4, and in the linear motion process, the first base plate 111 and the first micro-dynamic disk 112 of the rotary flexible support hinge 11 only generate micro rotary relative motion under the action of external force, the second base plate 211 and the second micro-dynamic disk 212 of the bias-torsion flexible support hinge 21 simultaneously generate micro transverse displacement and torsion relative motion under the action of external force, the relative fixation of the spatial positions of the first base plate 111 and the first micro-dynamic disk 112 as well as the spatial positions of the second base plate 211 and the second micro-dynamic disk 212 in the gantry sliding direction is ensured through the axial tensile stiffness of the first thin-wall beam 113 and the second thin-wall beam 213, and further on the premise of ensuring the rigidity of the gantry sliding direction, eliminate the internal stress of gantry system, improve the motion accuracy of system. The flexible support high-precision gantry double-drive device provided by the embodiment is combined with the rotary flexible support hinge and the eccentric-torsion flexible support hinge, so that the problems of difficult installation and adjustment and control, unsmooth operation and poor repeated positioning precision due to high requirements on motion linearity and parallelism of linear modules on two sides of the high-precision gantry double-drive device and high requirements on motion synchronism of the left linear module and the right linear module are solved comprehensively.
In the gantry double-drive device provided by the invention, the two ends of the gantry beam 500 can be directly connected with the first micro-dynamic disk 112 and the second micro-dynamic disk 212, namely after the first micro-dynamic disk 112 and the second micro-dynamic disk 212 are respectively and fixedly connected with the gantry beam 500 through bolts or welding, the same effect can be realized, the first support adapter plate 12 and the second support adapter plate 22 can be omitted, and the cost is reduced.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A gantry sliding table flexible hinge support assembly is characterized by comprising a rotary flexible hinge support (1) and a deflection flexible hinge support (2);
the rotary flexible hinge supports (1) and the deflection flexible hinge supports (2) are used in pairs and are respectively connected to guide rails on two sides of the gantry sliding table in a sliding manner;
when the guide rails on the two sides of the gantry sliding table slide, the rotary flexible hinge support (1) and the deflection flexible hinge support (2) passively compensate tension and compression and bending deformation of the gantry beam in the span direction caused by asynchronism of the guide rails on the two sides of the gantry sliding table in straightness and parallelism and movement of the two sides through a deformation mode of hinge rotation and deflection combination.
2. The gantry sliding table flexible hinge support assembly according to claim 1, wherein the revolving flexible hinge support (1) comprises a revolving flexible support hinge (11), the revolving flexible support hinge (11) comprises a first base plate (111), a first micro-movable plate (112) and a first thin-wall beam (113), a first accommodating hole (1110) is formed in the first base plate (111), the first micro-movable plate (112) is connected to the first accommodating hole (1110) through a plurality of first thin-wall beams (113), the plurality of first thin-wall beams (113) are arranged in a cross-shaped symmetrical manner, and the first support adapter plate (12) is fastened and connected with the first micro-movable plate (112);
the longitudinal axis direction of one pair of first thin-wall beams (113) which are arranged in a straight line shape in the first thin-wall beams (113) in a cross shape is parallel to the moving direction of the gantry sliding table, and the first micro-moving disk (112) and the first base plate (111) generate relative rotary motion through the bending deformation of the first thin-wall beams (113).
3. The gantry sliding table flexible hinge support assembly according to claim 2, wherein the rotary flexible hinge support (2) further comprises a first support adapter plate (12), the first micro-motion plate (112) is provided with a first shaft hole (1120), the first support adapter plate (12) is provided with a first fixed shaft (121), the first fixed shaft (121) is in interference fit with the first shaft hole (1120), and the first support adapter plate (12) generates relative rotary motion relative to the first base plate (111) through the first micro-motion plate (112).
4. The gantry sliding table flexible hinge support assembly according to claim 2 or 3, wherein the offset-torsion flexible hinge support (2) comprises an offset-torsion flexible support hinge (21), the offset-torsion flexible support hinge (21) comprises a second base plate (211), a second micro-dynamic plate (212) and a second thin-wall beam (213), a second accommodating hole (2110) is formed in the second base plate (211), the second micro-dynamic plate (212) is connected into the second accommodating hole (2110) through a plurality of second thin-wall beams (213), the second thin-wall beams (213) are symmetrically arranged in a straight line shape, and the second adapter plate (22) is tightly connected with the second micro-dynamic plate (212);
the longitudinal axis direction of the second thin-wall beams (213) which are symmetrically arranged in a straight line shape is parallel to the moving direction of the gantry sliding table, and the second micro-moving disk (212) and the second base plate (211) generate relative displacement and torsional movement through the bending deformation of the second thin-wall beams (213).
5. The gantry sliding table flexible hinge support assembly according to claim 4, wherein the offset-torsion flexible hinge support (2) further comprises a second support adapter plate (22), the second micro-motion plate (212) is provided with a second shaft hole (2120), the second support adapter plate (22) is provided with a second fixing shaft (221), the second fixing shaft (221) is in interference fit with the second shaft hole (2120), and the second support adapter plate (22) generates relative displacement and torsion movement relative to the second base plate (211) through the second micro-motion plate (212).
6. The gantry sliding table flexible hinge support assembly according to claim 4, wherein the offset torsion support hinge (21) is further provided with flexible deformation members (214), two sets of the flexible deformation members (214) are symmetrically arranged on two sides of the second micro-movable plate (212), and the two sets of the flexible deformation members (214) and the second thin-wall beam (213) which is symmetrically arranged in a straight line form a cross configuration.
7. The gantry slide flexible hinge support assembly of claim 6, wherein the flexural deformation member (214) is a thin-walled oval, a thin-walled diamond, or a thin-walled corrugated member.
8. A gantry sliding table flexible hinge support assembly according to any one of claims 3 and 5 to 7, wherein the rotary flexible hinge support (1) and/or the eccentric flexible hinge support (2) are processed by an integral molding process.
9. A gantry double-drive device is characterized in that the gantry sliding table flexible hinge support assembly of any one of claims 4 to 8 is adopted, and the gantry double-drive device further comprises a gantry linear module (3) and a gantry beam (4);
the gantry linear module (3) comprises a first linear module (31) and a second linear module (32), the first linear module (31) and the second linear module (32) are arranged in parallel, the rotary flexible hinge support (1) is connected to the first linear module (31) in a sliding mode through the first substrate (111), and the eccentric flexible hinge support (2) is connected to the second linear module (32) in a sliding mode through the second substrate (211);
one end of the gantry beam (4) is connected with the first micro-moving disk (112) or the first support adapter plate (12), and the other end of the gantry beam (4) is fixedly connected with the second micro-moving disk (212) or the second support adapter plate (22).
10. A gantry double drive apparatus according to claim 9, wherein said first linear module (31) and said second linear module (32) are fixed on said base (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110808005.7A CN113334096A (en) | 2021-07-16 | 2021-07-16 | Gantry sliding table flexible hinge support assembly and gantry double-drive device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110808005.7A CN113334096A (en) | 2021-07-16 | 2021-07-16 | Gantry sliding table flexible hinge support assembly and gantry double-drive device thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302266A (en) * | 2022-09-01 | 2022-11-08 | 合肥工业大学 | Flexible gantry linear dual-drive platform |
| CN115390512A (en) * | 2022-09-08 | 2022-11-25 | 上海交通大学 | Flexible gantry double-drive system and electric-coupling decoupling motion control method thereof |
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2021
- 2021-07-16 CN CN202110808005.7A patent/CN113334096A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302266A (en) * | 2022-09-01 | 2022-11-08 | 合肥工业大学 | Flexible gantry linear dual-drive platform |
| CN115390512A (en) * | 2022-09-08 | 2022-11-25 | 上海交通大学 | Flexible gantry double-drive system and electric-coupling decoupling motion control method thereof |
| CN115390512B (en) * | 2022-09-08 | 2023-05-30 | 上海交通大学 | Flexible gantry double-drive system and electromechanical combined decoupling motion control method thereof |
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