CN212717617U - Flexible supporting structure with vacuum adsorption function - Google Patents
Flexible supporting structure with vacuum adsorption function Download PDFInfo
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- CN212717617U CN212717617U CN202021325557.XU CN202021325557U CN212717617U CN 212717617 U CN212717617 U CN 212717617U CN 202021325557 U CN202021325557 U CN 202021325557U CN 212717617 U CN212717617 U CN 212717617U
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- bamboo joint
- suction nozzle
- joint connecting
- connecting piece
- piece
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Abstract
The utility model discloses a flexible bearing structure with vacuum adsorption function, including the suction nozzle part, suction nozzle mounting and flexible support piece, flexible support piece includes a plurality of bamboo joint connecting pieces that connect gradually, and the ball formula is articulated between the adjacent bamboo joint connecting piece, be provided with the axial through-hole that runs through its both sides in the bamboo joint connecting piece, the axial through-hole of all bamboo joint connecting pieces communicates each other, the suction nozzle part is installed on the suction nozzle mounting, the suction nozzle mounting is kept away from the one end of suction nozzle part and is articulated each other with flexible support piece's head end bamboo joint connecting piece, and the suction nozzle mounting has the coupling that can stretch into to this head end bamboo joint connecting piece axial through-hole with flexible support piece's head end bamboo joint connecting piece articulated one end shaping, be connected with the vacuum adsorption pipe that can pass all bamboo joint. Adopt the utility model relates to a holder can stabilize the clamping and stabilize absorbent purpose to abnormal profile or curved surface part.
Description
Technical Field
The utility model relates to a curved surface part three-coordinate measures technical field, particularly, relates to a flexible bearing structure with vacuum adsorption function.
Background
In three-coordinate measurement, rapid positioning and clamping of parts are hard requirements, and due to the fact that the parts are various in types, special clamps are generally required to be customized for clamping of various plane and curved surface parts. The conventional clamp for the existing curved surface mostly adopts rigid support, and mainly clamps parts through a fixed bottom plate and solid pillars (the end parts of the solid pillars are provided with the clamps) inserted on the fixed bottom plate and arranged in different heights, and the mode can only be suitable for clamping parts with regular shapes, but is not suitable for clamping parts with irregular curved surfaces or special-shaped surfaces. Therefore, a clamping piece with a flexible support and a vacuum adsorption function is needed to be designed to achieve the purpose of stably clamping the special-shaped surface or curved surface part, and the design of the main structure part of the clamping piece is particularly important.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flexible bearing structure with vacuum adsorption function, the holder that adopts this flexible bearing structure design can be to special-shaped face or curved surface part stable clamping and stabilize absorbent purpose.
The embodiment of the utility model is realized like this: the utility model provides a flexible supporting structure with vacuum adsorption function, including the suction nozzle part, suction nozzle mounting and flexible support piece, flexible support piece includes a plurality of bamboo joint connecting pieces that connect gradually, and the ball formula is articulated between the adjacent bamboo joint connecting piece, be provided with the axial direction through-hole that runs through its both sides in the bamboo joint connecting piece, the axial direction through-hole of all bamboo joint connecting pieces communicates each other, the suction nozzle part is installed on the suction nozzle mounting, the suction nozzle mounting is kept away from the one end of suction nozzle part and is articulated each other with flexible support piece's head end bamboo joint connecting piece, and the suction nozzle mounting has the coupling that can stretch into to this head end bamboo joint connecting piece axial direction through-hole with flexible support piece's head end bamboo joint connecting piece articulated one end shaping, be connected with the vacuum.
Further, the bamboo joint connecting piece is including holding package portion, connecting portion and spheroid portion, and connecting portion are fixed and are held between package portion and the spheroid portion, hold in the package portion processing have with spheroid portion sphere normal running fit's ball die cavity, the bamboo joint connecting piece is articulated through the appearance package portion ball formula of its spheroid portion in with adjacent bamboo joint connecting piece, suction nozzle mounting one end shaping has spheroid connecting portion, and the suction nozzle mounting is articulated through the appearance package portion ball formula of its spheroid connecting portion with head end bamboo joint connecting piece.
Furthermore, the vacuum adsorption pipe comprises a plurality of sections of corrugated pipes, one end of each section of corrugated pipe is provided with a connecting flange, and the corrugated pipe is connected with one end, far away from the connecting flange, of the other corrugated pipe through one end of the corrugated pipe.
Further, a plurality of positioning screw holes are processed on the flange portion of the connecting flange and are uniformly distributed around the axis of the connecting flange in the circumferential direction, positioning bolts are arranged in each positioning screw hole, the middle portions of the positioning bolts are in threaded fit with the positioning screw holes, locking screw holes are processed at the two ends of each positioning bolt, connecting bolts are arranged in each locking screw hole, the inner cavity surface wall of one end of each connecting bolt points to the bamboo joint connecting piece, and one end of each connecting bolt points to the inner cavity surface wall of the bamboo joint connecting piece is detachably connected with a limiting ball.
The embodiment of the utility model provides a beneficial effect is:
the embodiment of the utility model provides a flexible supporting structure is through adopting universal flexible design with flexible support piece, and the mode that reaches vacuum adsorption with cooperation vacuum adsorption pipe and suction nozzle part is assisted again, can solve the stable clamping operation of most curved surfaces or heterotypic face part to this flexible supporting structure's direction can freely be adjusted, especially when carrying out the three-dimensional measurement of part, can avoid as far as possible and the measuring head between do all the other one's more, also can not cause too much rigidity damage to the part surface.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a flexible supporting structure provided in an embodiment of the present invention;
fig. 2 is a schematic partial structural view of a flexible supporting member according to an embodiment of the present invention;
fig. 3 is an enlarged schematic view of a portion a of fig. 2.
Icon: 21-a nozzle part; 22-suction nozzle fixing part; 23-bamboo joint connecting pieces; 24-vacuum adsorption tube; 231-a bag containing part; 232-a connecting part; 233-a sphere portion; 241-a corrugated tube; 242-a connecting flange; 243-locking bolt; 244-compression ring; 245-a positioning bolt; 246-connecting bolt; 247-limit ball.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "parallel," "perpendicular," and the like do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
Referring to fig. 1 to 3, the flexible supporting structure with vacuum absorption function provided in this embodiment includes a suction nozzle part 21, a suction nozzle fixing part 22, and a flexible supporting member, where the design relationship of the flexible supporting member relates to whether the rotational degree of freedom of the whole flexible supporting structure is large enough to achieve the purpose of not affecting the measurement of the measuring head, and specifically, the flexible supporting member includes a plurality of bamboo joint connecting members 23 connected in sequence, that is, the flexible supporting member adopts a bamboo joint connection manner, and the bamboo joint connection manner belongs to a flexible connection manner, that is, adjacent bamboo joint connecting members 23 are in ball-type hinge joint. The suction nozzle part 21, the suction nozzle fixing part 22 and the bamboo joint connecting part 23 are all in a hollow structural form, namely, the middle part of the suction nozzle part, the suction nozzle fixing part and the bamboo joint connecting part is provided with a through hole. Furthermore, the bamboo joint connecting pieces 23 are provided with axial through holes penetrating through two sides thereof, and the axial through holes of all the bamboo joint connecting pieces 23 are communicated with each other to form an internal channel which can be communicated with the suction nozzle part 21 and the suction nozzle fixing piece 22. The suction nozzle part 21 is installed on the suction nozzle fixing part 22 in an inserting mode or an adhering mode, only the requirement that the inner hole of the suction nozzle part 21 is communicated with the inner hole of the suction nozzle fixing part 22 and is connected seamlessly (the air tightness is very good) is met, the suction nozzle part 21 is made of high polymer plastics and has certain flexibility and adaptability, and excessive rigid damage to the surface of a part cannot be caused. One end of the suction nozzle fixing part 22 is mutually (spherically) hinged with the head end bamboo joint connecting part 23 of the flexible supporting part so as to achieve high rotational freedom, a pipe joint which can extend into an axial through hole of the head end bamboo joint connecting part 23 is formed at one end of the suction nozzle fixing part 22 which is hinged with the head end bamboo joint connecting part 23 of the flexible supporting part, and a vacuum adsorption pipe 24 which can pass through the axial through holes of all the bamboo joint connecting parts 23 is connected onto the pipe joint. Through with the external vacuum pump of vacuum adsorption pipe 24, can reach the purpose of stably adsorbing the part surface, show promptly that to adopt this flexible bearing structure not only can reach the higher flexible support of rotational degree of freedom, can also reach the less flexible absorption of contact damage, be particularly suitable for the light class curved surface part of clamping to carry out reliable three-coordinate measurement operation.
In this embodiment, the bamboo joint connector 23 is a substantially cylindrical body, the bamboo joint connector 23 includes a bag containing portion 231, a connecting portion 232 and a spherical portion 233, the connection manner between the bag containing portion 231, the connecting portion 232 and the spherical portion 233 is preferably integrally formed, the connecting portion 232 is fixed between the bag containing portion 231 and the spherical portion 233, a ball cavity rotatably fitted with the spherical surface of the spherical portion 233 is processed in the bag containing portion 231, which is described by the connection relationship between two adjacent bamboo joint connectors 23, one of the bamboo joint connectors 23 is ball-hinged with the bag containing portion 231 in the adjacent bamboo joint connector 23 through the spherical portion 233 thereof, so as to be unfolded, the hinge manner of each two bamboo joint connectors 23 is the ball-hinged manner, and thus a flexible support with high rotational freedom and high support stability can be formed. The shaping of suction nozzle mounting 22 one end has spheroid connecting portion, and spheroid connecting portion are the same with spheroid portion structure, and suction nozzle mounting 22 holds package portion 231 ball-type articulated through its spheroid connecting portion and head end bamboo joint connecting piece 23, has just so reached the integrality that whole flexible support structure articulated formula is connected to satisfy the purpose of flexible support, the flexible whole that this kind of articulated mode made up, it is more simple and convenient to adjust the assembly.
In order to make the vacuum absorption tube 24 have splicing property, the vacuum absorption tube 24 includes a multi-section corrugated tube 241, and the corrugated tube 241 can be made of hard non-metal material or soft metal material, and has a certain ductility and plasticity. One end of each segment of corrugated pipe 241 is provided with a connecting flange 242, and the corrugated pipe 241 is connected with one end of another corrugated pipe 241 far away from the connecting flange 242 through one end of the connecting flange 242, that is, the adjacent two segments of corrugated pipes 241 are connected through one connecting flange 242. Specifically, the connecting flange 242 is in the form of a circle of flange processed in the middle of the side wall of the cylindrical body, one end of the corrugated pipe 241 extends into the inner hole of the connecting flange 242 and is tightly attached to the inner hole of the connecting flange 242, a circle of pressing ring 244 just tightly pressing the extending end of the corrugated pipe 241 is arranged in the inner hole of the connecting flange 242, and the pressing ring 244 and the connecting flange 242 are mutually locked through a plurality of locking bolts 243, so that the purposes of firmly pressing and sealing the extending end of the corrugated pipe 241 are achieved. The first section of the corrugated pipe 241 is fixedly connected with the pipe joint of the suction nozzle fixing part 22 through the connecting flange 242 thereof by bolts, and then the sealing ring is matched to ensure better sealing performance, and the last section of the corrugated pipe 241 is connected with external vacuum equipment through the connecting flange 242 thereof.
The vacuum adsorption tubes 24 can be added or subtracted according to specific length requirements, in this embodiment, the number of the corrugated tubes 241 is the same as that of the bamboo joint connectors 23, and the connecting flanges 242 of each section of corrugated tube 241 are respectively located in the inner cavity of a single bamboo joint connector 23. In another embodiment, the number of the corrugated pipes 241 is one half of the number of the bamboo joint connectors 23, and the connecting flange 242 of each section of the corrugated pipe 241 is respectively located in the inner cavity where every two bamboo joint connectors 23 are connected together. Because the bamboo joint connecting piece 23 can cause the corrugated pipe 241 therein to bend or even bend when rotating, once the corrugated pipe 241 has a serious bending phenomenon, the vacuum adsorption force can be influenced, and the corrugated pipe 241 can be abraded and rigidly extruded to be damaged, so that the integral air tightness is influenced. In order to overcome the problem, taking each connecting flange 242 as an example for illustration, a plurality of positioning screw holes are processed on a flange portion of the connecting flange 242, the plurality of positioning screw holes are uniformly distributed around the axis of the connecting flange 242 in the circumferential direction, each positioning screw hole is internally provided with a positioning bolt 245, each positioning bolt 245 is in the form of a stud, the middle portion of each positioning bolt 245 is in threaded fit with the corresponding positioning screw hole, two ends of each positioning bolt 245 are respectively provided with a locking screw hole, here, the axial direction of each locking screw hole is perpendicular to the axial direction of each positioning screw hole, each locking screw hole is internally provided with a connecting bolt 246, one end of each connecting bolt 246 points to the inner cavity surface wall of the bamboo joint connecting piece 23, one end of each connecting bolt 246, which points to the inner cavity surface wall of the bamboo joint connecting piece 23, is detachably connected with a limiting ball 247, and the. When a single bamboo joint connecting piece 23 rotates, the inner wall of the bamboo joint connecting piece 23 firstly contacts the limiting ball 247, and the connecting flange 242 moves under the mutual abutting action, so that the whole section of the corrugated pipe 241 is deviated along with the displacement and stretched in a short distance, and the phenomenon that the corrugated pipe 241 is seriously bent due to rigid extrusion is prevented. Certainly, the damage of the limiting ball 247 and the inner wall of the bamboo joint connecting piece 23 during mutual extrusion is very small, and the rigid damage generated by extruding the connecting flange 242 or the corrugated pipe 241 between the inner walls of the bamboo joint connecting piece 23 is smaller or even negligible.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that structures or components illustrated in the drawings are not necessarily drawn to scale, and descriptions of well-known components and processing techniques and technologies are omitted to avoid unnecessarily limiting the invention.
Claims (4)
1. The utility model provides a flexible supporting structure with vacuum adsorption function, its characterized in that, includes suction nozzle part, suction nozzle mounting and flexible support piece, flexible support piece includes a plurality of bamboo joint connecting pieces that connect gradually, and the ball-type is articulated between the adjacent bamboo joint connecting piece, be provided with the axial through hole that runs through its both sides in the bamboo joint connecting piece, the axial through hole of all bamboo joint connecting pieces communicates each other, suction nozzle part installs on the suction nozzle mounting, the suction nozzle mounting is kept away from the one end of suction nozzle part and is articulated each other with flexible support piece's head end bamboo joint connecting piece, and the suction nozzle mounting has the coupling that can stretch into to this head end bamboo joint connecting piece axial through hole with flexible support piece's head end bamboo joint connecting piece articulated one end shaping, be connected with the vacuum adsorption pipe that can pass all bamboo joint connecting piece axial through.
2. The flexible supporting structure with the vacuum adsorption function according to claim 1, wherein the bamboo joint connecting piece comprises a bag containing portion, a connecting portion and a spherical portion, the connecting portion is fixed between the bag containing portion and the spherical portion, a spherical cavity rotationally matched with the spherical surface of the spherical portion is machined in the bag containing portion, the bamboo joint connecting piece is in spherical hinge connection with the bag containing portion in the adjacent bamboo joint connecting piece through the spherical portion of the bamboo joint connecting piece, the spherical connecting portion is formed at one end of the suction nozzle fixing piece, and the suction nozzle fixing piece is in spherical hinge connection with the bag containing portion of the head-end bamboo joint connecting piece through the spherical connecting portion of the suction nozzle fixing piece.
3. The flexible supporting structure with vacuum adsorption function as claimed in claim 1, wherein the vacuum adsorption tube comprises a plurality of sections of corrugated tubes, one end of each section of corrugated tube is provided with a connecting flange, and the corrugated tube is connected with one end of another corrugated tube far away from the connecting flange through one end of the corrugated tube connecting flange.
4. The flexible supporting structure with the vacuum adsorption function according to claim 3, wherein a plurality of positioning screw holes are machined in the flange portion of the connecting flange and are evenly distributed in the circumferential direction around the axis of the connecting flange, a positioning bolt is arranged in each positioning screw hole, the middle of each positioning bolt is in threaded fit with the corresponding positioning screw hole, locking screw holes are machined in two ends of each positioning bolt, a connecting bolt is arranged in each locking screw hole, one end of each connecting bolt points to the inner cavity surface wall of the bamboo joint connecting piece, and a limiting ball is detachably connected to one end of each connecting bolt points to the inner cavity surface wall of the bamboo joint connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021325557.XU CN212717617U (en) | 2020-07-08 | 2020-07-08 | Flexible supporting structure with vacuum adsorption function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021325557.XU CN212717617U (en) | 2020-07-08 | 2020-07-08 | Flexible supporting structure with vacuum adsorption function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212717617U true CN212717617U (en) | 2021-03-16 |
Family
ID=74977758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021325557.XU Expired - Fee Related CN212717617U (en) | 2020-07-08 | 2020-07-08 | Flexible supporting structure with vacuum adsorption function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212717617U (en) |
-
2020
- 2020-07-08 CN CN202021325557.XU patent/CN212717617U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210316 Termination date: 20210708 |
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| CF01 | Termination of patent right due to non-payment of annual fee |