CN212497420U

CN212497420U - Vacuum adsorption clamping piece

Info

Publication number: CN212497420U
Application number: CN202021327328.1U
Authority: CN
Inventors: 袁宇新; 贾红丽; 晋如林
Original assignee: Chengdu Industry and Trade College
Current assignee: Chengdu Industry and Trade College
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-02-09
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a vacuum adsorption clamping piece, which comprises a supporting connecting piece, wherein the supporting connecting piece comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged with an inserting body, and the other end of the first connecting rod is connected with the second connecting rod; the swinging connecting piece comprises a third connecting rod and a mounting body, one end of the third connecting rod is hinged with the second connecting rod in a damping manner, and the other end of the third connecting rod is hinged with the mounting body; and a mouthpiece telescopically mounted on the mounting body. The utility model discloses not only possess sufficient rigidity support degree on the basis of flexible support, can adsorb for curved surface, antarafacial part and provide comparatively stable supporting power, the suction nozzle part has certain elasticity moreover, and adaptability is stronger, supports more stably to the part after adsorbing.

Description

Vacuum adsorption clamping piece

Technical Field

The utility model relates to a curved surface part vacuum adsorption technical field particularly, relates to a vacuum adsorption holder.

Background

At present, in the field of clamps for adsorbing curved-surface and non-planar parts, the requirements on the clamping piece are high, the clamping piece is required to have the characteristic of stable adsorption, and the clamping piece is required to have the characteristics of rigidity and flexibility so as to achieve the adsorption condition of the curved-surface and non-planar adsorption, and once the rigidity support is insufficient or too flexible, the condition that the part support is unstable easily occurs.

In view of this, the present application is specifically made.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vacuum adsorption holder, this holder not only possess sufficient rigidity support degree on the basis that the flexibility supported, can provide comparatively stable holding power for curved surface, antarafacial part adsorb, and the suction nozzle part has certain elasticity moreover, and adaptability is stronger, supports more stably to the part after adsorbing.

The embodiment of the utility model is realized like this: a vacuum adsorption clamping piece comprises a supporting connecting piece, wherein the supporting connecting piece comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged with an inserting body, and the other end of the first connecting rod is connected with the second connecting rod; the swinging connecting piece comprises a third connecting rod and a mounting body, one end of the third connecting rod is hinged with the second connecting rod in a damping manner, and the other end of the third connecting rod is hinged with the mounting body; and a mouthpiece telescopically mounted on the mounting body.

Further, the central axis of the first connecting rod is intersected with the central axis of the second connecting rod or is intersected with the different surface.

Furthermore, one end of the first connecting rod, which is close to the plug-in body, is provided with a first hinge joint, one end of the plug-in body, which is far away from the first connecting rod, is provided with a threaded connection part, and the other end of the plug-in body is in ball hinge connection with the first hinge joint.

Furthermore, a rotating hole is formed in one end of the third connecting rod, and the third connecting rod is sleeved in the middle of the second connecting rod in a damping mode and can rotate through the rotating hole.

Further, the central axis of the third connecting rod and the central axis of the second connecting rod are parallel to each other.

Further, one end of the second connecting rod, which is far away from the first connecting rod, is detachably provided with a rotating handle.

Furthermore, a second hinged joint is arranged at one end, close to the mounting body, of the third connecting rod, and the mounting body is in ball hinge connection with the second hinged joint.

Furthermore, the mounting body one end spiro union has the bearing body, and the bearing body is articulated with second hinge joint ball.

Furthermore, the suction nozzle piece comprises a flexible suction nozzle, a first supporting platform and a second supporting platform with an inner cavity, the first supporting platform is connected with the mounting body, a spring is arranged between the first supporting platform and the second supporting platform, the flexible suction nozzle is mounted on the second supporting platform and communicated with the inner cavity of the second supporting platform, and at least one vacuum pipe joint communicated with the inner cavity of the second supporting platform is arranged on the side wall of the second supporting platform.

Furthermore, the first supporting platform is connected to the mounting body in a threaded mode, a jack arranged along the central axis of the first supporting platform is arranged in the first supporting platform, an inserting column matched with the jack in an inserting mode is arranged on the end face, close to the first supporting platform, of the second supporting platform, and the spring is sleeved on the inserting column.

The embodiment of the utility model provides a beneficial effect is:

the clamping piece provided by the embodiment of the utility model has the advantages that the supporting connecting piece and the swinging connecting piece with the characteristics of rigidity, flexibility and shoulder are adopted, the universal flexible supporting performance is realized by adopting the connection between the hinge and the rigid connection between the supporting connecting piece and the swinging connecting piece, the clamping piece also has sufficient rigid support, and the stable structural guarantee is provided for stably supporting the parts with the different curved surfaces; in addition, the suction nozzle piece has the telescopic characteristic, and can have better position adaptability with the special-shaped surface part, thereby avoiding the phenomenon of side leakage caused by mutual interference and displacement change among the flexible suction nozzles, especially among a plurality of flexible suction nozzles, and obtaining more stable suction effect.

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 first schematic structural view of a clamping member according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a clamping member according to an embodiment of the present invention.

Icon: 1-a support connection; 2-a swinging connection; 3-a mouthpiece; 11-a plug-in body; 12-a first articulation; 13-a first link; 14-a second link; 15-rotating the handle; 21-a third link; 22-a second articulation; 23-a receiving body; 24-a mounting body; 31-a first support table; 32-a spring; 33-a second support table; 34-a flexible suction nozzle; 35-vacuum coupling.

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 "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

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.

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 and 2, the vacuum suction clamping member provided in this embodiment mainly comprises three parts, including a supporting connecting member 1, a swinging connecting member 2, and a suction nozzle member 3, which are connected in sequence. Specifically, the support connector 1 includes a first link 13 and a second link 14, one end of the first link 13 is connected to the second link 14, and the first link 13 and the second link 14 may be non-detachable rigid connection, such as welding or integral molding, or detachable rigid connection, such as screwing or fastening; the first link 13 and the second link 14 may be connected in a straight line or in a non-straight line. The end of the first connecting rod 13 far away from the second connecting rod 14 is hinged with an inserting body 11, the inserting body 11 is used for being connected with an external supporting platform, such as a vacuum suction seat or other types of supporting seats, a plurality of clamping pieces are correspondingly installed on the supporting platform, and the clamping and the adsorption effects on the parts with the different curved surfaces can be stably clamped in a cooperative mode. The swing connecting piece 2 comprises a third connecting rod 21 and a mounting body 24, one end of the third connecting rod 21 is hinged with the second connecting rod 14 in a damping mode, a damping structure such as a damping ring or a damping pad is additionally arranged between the third connecting rod 21 and the second connecting rod 14 in the damping mode, the damping structure and the damping ring or the damping pad can be made of materials with damping performance, and certain damping characteristics are achieved when the third connecting rod 21 and the second connecting rod are hinged; therefore, the two main bodies can be guaranteed to be in hinged flexible connection with the supporting connecting piece 1 and the swinging connecting piece 2, certain rigid connection supporting strength is achieved, and stable structure guarantee is provided for stably supporting the parts with the different curved surfaces. The end of the third connecting rod 21 far away from the second connecting rod 14 is hinged with the mounting body 24, and the mouthpiece 3 is telescopically mounted on the mounting body, wherein the telescopic function refers to a certain resilience function, such as connection by an elastic piece or manufacturing by a high-elasticity material. The suction nozzle piece 3 has certain scalability and can increase the position adaptability of the suction nozzle piece, especially, a plurality of suction nozzle pieces 3 interact on a part with a special curved surface, and once the part slightly shifts, the positions of the suction nozzle pieces 3 mutually drag and interfere, so that slight leakage is generated to cause the phenomenon of unstable adsorption.

In order to provide a high degree of freedom of rotation for the articulation between the first link 13 and the plug body 11, a first articulation 12 is provided at an end of the first link 13 close to the plug body 11, the first articulation 12 is preferably a cylindrical body arranged coaxially with the first link 13, and the first articulation 12 is integrally formed with the first link 13. Spherical holes are processed on one side, far away from the first connecting rod 13, of the first hinge joint 12, a support is fixed on the side face of one end of the inserting body 11, a universal ball is fixed on the support and is in rotating fit with the spherical holes of the first hinge joint 12, and therefore a universal ball hinge mode between the inserting body 11 and the first connecting rod 13 is achieved, and accordingly the large rotating freedom degree is achieved. One end of the plug-in body 11, which is far away from the first connecting rod 13, is provided with a threaded connection part, and the threaded connection part is in threaded connection with an external platform, so that a detachable rigid connection form is achieved.

In the present embodiment, the first link 13 and the second link 14 are connected in a non-straight shape, that is, the central axis of the first link 13 intersects with the central axis of the second link 14 or intersects with different planes, preferably perpendicular to the same plane, that is, the first link 13 and the second link 14 are combined to form an L-shaped structure. The third connecting rod 21 is provided with a rotary hole at one end, the rotary hole is in a through hole form, the third connecting rod 21 is rotatably sleeved in the middle of the second connecting rod 14 through the rotary hole with damping, the damping is the same as the damping, the damping can be realized by additionally arranging a damping ring between the rotary hole and the middle of the second connecting rod 14, the middle of the second connecting rod 14 and the end of the third connecting rod 21 can be made of damping materials, and the latter is adopted here. The third connecting rod 21 and the second connecting rod 14 are connected in a hinged and rigid connection mode, so that the universal flexible support has universal flexible support performance, sufficient rigid support is provided, and stable structural guarantee is provided for stably supporting the parts with the special-shaped curved surfaces. In this embodiment, the central axis of the third connecting rod 21 is parallel to the central axis of the second connecting rod 14, so that the space occupied by the supporting connecting member 1 and the swinging connecting member 2 is smaller, and the appearance is more aesthetic and symmetric.

In order to facilitate the rotation of the third link 21 relative to the second link 14 by external force, a rotation handle 15 is detachably disposed at an end of the second link 14 away from the first link 13, and the detachable manner may be screwing or buckling.

Similarly, in order to make the articulation between the third connecting rod 21 and the mounting body 24 have a higher degree of freedom in rotation, a second articulation joint 22 is disposed at one end of the third connecting rod 21 close to the mounting body 24, the form of the connection between the second articulation joint 22 and the third connecting rod 21 is the same as the form of the connection between the first articulation joint 12 and the first connecting rod 13, that is, a spherical hole is formed in one side of the second articulation joint 22 away from the third connecting rod 21, a support is fixed to one side of the mounting body 24, and a universal ball is fixed to the support, and is rotatably fitted in the spherical hole of the second articulation joint 22, so as to realize the form of universal ball articulation between the mounting body 24 and the third connecting rod 21, thereby achieving a higher degree of freedom in rotation. In order to ensure that the mounting body 24 and the third connecting rod 21 have high detachability, one end of the mounting body 24 is screwed with the bearing body 23, the bearing body 23 is matched with the spherical hole of the second joint 22 through the support and the universal ball, and the additional bearing body 23 can ensure that the mounting body 24 and the swing connecting piece 2 have detachability.

In this embodiment, the nozzle piece 3 includes flexible nozzle 34, first brace table 31 and has the second brace table 33 of inner chamber, first brace table 31 and second brace table 33 are roughly hexagon nut form, and a side end face of first brace table 31 can be dismantled with the installation body 24 and be connected, and is provided with spring 32 between another side end face of first brace table 31 and a side end face of second brace table 33, flexible nozzle 34 passes through screw thread detachably and installs on second brace table 33 to guarantee stronger detachability, flexible nozzle 34 adopts the plastics preparation, has better ductility and deformation adaptability. The flexible suction nozzle 34 is communicated with an inner cavity of the second supporting platform 33, specifically, an insertion tube communicated with the inner cavity of the second supporting platform 33 is formed on the end face of the second supporting platform 33 far away from the first supporting platform 31, an external thread is processed on the outer wall of the insertion tube, and the threaded connection part of the flexible suction nozzle 34 is in threaded connection with the external thread of the insertion tube and is sealed. At least one vacuum pipe joint 35 communicated with the inner cavity of the second support platform 33 is arranged on the side wall of the second support platform 33, the number of the vacuum pipe joints 35 is set according to the requirement, the number of the vacuum pipe joints 35 is relatively increased, namely, the vacuum adsorption can be carried out from different positions so as to achieve the effect of increasing the adsorption force, and preferably, the number of the vacuum pipe joints 35 is two.

The flexible suction nozzle 34 is provided with elasticity by arranging a spring 32 between the first support table 31 and the second support table 33, i.e. by adopting an elastic member connection manner. In order to ensure that the flexible suction nozzle 34 has better stability when extending and retracting, the end surface of the first supporting platform 31 far away from the second supporting platform 33 is formed with a threaded branch pipe, one side end surface of the mounting body 24 is provided with a threaded hole, the first supporting platform 31 is in threaded connection with the threaded hole of the mounting body 24 through the threaded branch pipe, the threaded branch pipe is provided with a sliding hole along the axial direction, the first supporting platform 31 is internally provided with a jack arranged along the central axis thereof, the jack is communicated with the slide hole and is coaxially arranged, the end surface of the second support platform 33 close to the first support platform 31 is provided with an inserting column which is in inserting fit with the jack, the second support platform 33 is movably inserted in the jack of the first support platform 31 through the inserting column, the spring 32 is sleeved on the inserting column, i.e. to indicate that the spring 32 has a certain guidance when it is freely telescopic, which enables a better directional stability of the flexible nozzle 34 when it is telescopic.

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

1. A vacuum suction holder, comprising:

the supporting connecting piece comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged with the inserting body, and the other end of the first connecting rod is connected with the second connecting rod;

the swinging connecting piece comprises a third connecting rod and an installation body, one end of the third connecting rod is hinged with the second connecting rod in a damping mode, and the other end of the third connecting rod is hinged with the installation body;

and a mouthpiece telescopically mounted on the mounting body.

2. The vacuum suction chuck as claimed in claim 1, wherein the central axis of the first connecting rod intersects with the central axis of the second connecting rod or intersects with the opposite surface.

3. The vacuum suction holder as claimed in claim 2, wherein the first link has a first hinge joint at an end thereof adjacent to the insertion body, and the insertion body has a threaded connection at an end thereof remote from the first link and a ball-joint with the first hinge joint at the other end thereof.

4. The vacuum chuck as claimed in claim 2, wherein a rotation hole is formed at one end of the third connecting rod, and the third connecting rod is rotatably sleeved at the middle portion of the second connecting rod in a damped manner through the rotation hole.

5. The vacuum chuck as claimed in claim 4, wherein the central axis of the third link and the central axis of the second link are parallel to each other.

6. The vacuum chuck as claimed in claim 4, wherein the second link is detachably provided with a rotating handle at an end thereof remote from the first link.

7. The vacuum suction gripping member of claim 4, wherein a second joint is provided at an end of the third link adjacent to the mounting body, and the mounting body is ball-jointed to the second joint.

8. The vacuum suction gripping member of claim 7, wherein the mounting body has a receiving body threaded at one end, the receiving body being ball-jointed to the second joint.

9. The vacuum suction holding member according to claim 1 or 7, wherein the suction nozzle member comprises a flexible suction nozzle, a first supporting platform and a second supporting platform having an inner cavity, the first supporting platform is connected to the mounting body, a spring is disposed between the first supporting platform and the second supporting platform, the flexible suction nozzle is mounted on the second supporting platform and is communicated with the inner cavity of the second supporting platform, and at least one vacuum pipe joint communicated with the inner cavity of the second supporting platform is disposed on a side wall of the second supporting platform.

10. The vacuum adsorption clamping member of claim 9, wherein the first supporting platform is screwed on the mounting body, the first supporting platform is internally provided with a jack arranged along a central axis of the first supporting platform, the end surface of the second supporting platform close to the first supporting platform is provided with an inserting column in inserting fit with the jack, and the spring is sleeved on the inserting column.