CN216913880U - Multifunctional clamp for mechanical arm - Google Patents

Abstract

The utility model discloses a multifunctional clamp for a mechanical arm, which comprises a driving structure, a first clamp structure and a second clamp structure, wherein the driving structure comprises a fixed plate and a cylinder positioned on the side of the fixed plate; the first clamp structure comprises a first clamp plate connected with the fixing plate and a first suction piece connected to the first clamp plate; the second clamp structure comprises a second clamp plate, a second suction piece and a fixing assembly, wherein the second clamp plate is connected with the sliding table and can move longitudinally, the second suction piece is connected onto the second clamp plate, the fixing assembly is sleeved on the second suction piece, and an accommodating cavity for accommodating materials is formed in the middle of the fixing assembly. The first clamp structure and the second clamp structure can be respectively used for sucking and fixing different materials, the clamps do not need to be replaced manually, the functionality is strong, and the second clamp structure can move along the longitudinal direction, so that the materials can be sucked and fixed more accurately.

Description

Multifunctional clamp for mechanical arm

Technical Field

The utility model relates to the technical field of clamps, in particular to a multifunctional clamp for a mechanical arm.

Background

A jig is a device for fixing a processing object to take a correct position to receive construction or inspection in a machine manufacturing or assembling process, and in a broad sense, a device for quickly, conveniently and safely mounting a workpiece in any process is called a jig. The fixture can be divided into a lathe fixture, a three-coordinate fixture, an industrial robot fixture, a milling machine fixture, a bearing seat fixture and the like, along with the development of modern industry, the industrial robot fixture is more and more widely applied, the fixture is mainly matched with a robot or a mechanical arm to appear in the modern industrial production, and the common usage is in automatic unmanned factories such as feeding and discharging of a machine tool, pile-up removing of workpieces, welding, grinding and the like.

The prior art discloses a mechanical arm clamp (Chinese patent number: CN201821398048.2), wherein a mechanical arm moving structure comprises a mechanical arm and a mounting seat arranged on the mechanical arm, the mechanical arm is used for changing the position of the mounting seat and driving the mounting seat to rotate relative to the axis of the mechanical arm, the clamp structure comprises a connecting structure, a first clamp body and a second clamp body, the first clamp body and the second clamp body are both used for clamping a cylinder cover, the first clamp body and the second clamp body are connected with the mounting seat through the connecting structure, and the connecting structure is used for adjusting the included angle between the axis of the first clamp body and the axis of the second clamp body and the axis of the mounting seat.

Above-mentioned utility model provides a fixture structure can only be used for the centre gripping volume slightly and be convenient for the clamping jaw to press from both sides the material of getting, and can't press from both sides in a flexible way to some lamellar, banding material clamping jaw and get, perhaps press from both sides the in-process and extremely drop it easily getting. In addition, the clamp on most of present mechanical arms is single in structure, and usually comprises a plurality of clamping jaws, so when getting different materials, need operating personnel to change anchor clamps or clamping jaws, the operation is complicated, and the functionality is not strong.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the multifunctional clamp for the mechanical arm, the first clamp structure and the second clamp structure can be respectively used for sucking and fixing different materials, the clamps do not need to be replaced manually, the functionality is strong, and the second clamp structure can move along the longitudinal direction, so that the materials can be sucked and fixed more accurately.

In order to solve the technical problem, the utility model is solved by the following technical scheme:

a multi-function clamp for a robotic arm, comprising:

the driving structure comprises a fixed plate and an air cylinder positioned on the side of the fixed plate, the fixed plate is connected to the mounting block below the mechanical arm, and the air cylinder is provided with a sliding table capable of moving along the longitudinal direction;

the first clamp structure is positioned on the fixed plate and comprises a first clamp plate connected with the fixed plate and a first suction piece connected to the first clamp plate;

the second anchor clamps structure is located on the cylinder, but including the second anchor clamps board that links to each other and longitudinal motion with the slip table, connect the second on the second anchor clamps board and inhale and take and the fixed subassembly on the second is inhaled to the cover, fixed subassembly's centre has one that supplies the material to hold and holds the chamber.

Preferably, two first clamp plates are arranged and connected to one side, far away from the cylinder, of the fixing plate in a spaced manner;

the first clamp plate comprises a first plate body connected with the fixing plate and a second plate body vertically connected to the lower end of the first plate body, and the first suction piece is connected to the second plate body.

Preferably, the second plate body is provided with two first mounting channels which are arranged in a spaced manner and used for the first suction element to penetrate and fix, and the two first mounting channels are arranged along the same horizontal line.

Preferably, the first suction element includes a first connection post penetrating through the first installation channel, a first adjusting nut sleeved on the first connection post, and a first suction cup connected to the lower end of the first connection post, and the first adjusting nut can be connected to the second plate body in an abutting manner.

Preferably, the sliding table is longitudinally arranged on the side of the cylinder far away from the fixing plate, the second clamp plate comprises a third plate body which is connected with the sliding table and moves synchronously with the sliding table, and a fourth plate body which is vertically connected to the lower end of the third plate body, and the second suction piece is connected to the fourth plate body.

Preferably, the fourth plate body is provided with two second mounting channels which are arranged in a spaced manner and used for the penetration and fixation of the second suction piece, and the two second mounting channels are arranged along the same horizontal line.

Preferably, the second suction piece comprises a second connecting column penetrating through the second mounting channel, a second adjusting nut sleeved on the second connecting column, and a second sucker connected to the lower end of the second connecting column, and the second adjusting nut can be connected to the fourth plate body in a propping manner.

Preferably, the fixing component comprises a limiting ring and a fixing ring, wherein the limiting ring is sleeved on the periphery of the second connecting column and used for limiting the movement of the material and/or the second sucker, and the fixing ring is sleeved on the periphery of the limiting ring and used for fixing and containing the material and the limiting ring.

Preferably, the centre of spacing ring is provided with the through-hole that supplies second spliced pole and second sucking disc to run through, the centre of solid fixed ring is provided with the connection chamber that supplies the spacing ring to connect and is located the connection chamber below hold the chamber.

Preferably, the second suction cup penetrates through the through hole to the accommodating cavity, and the cavity space of the accommodating cavity is larger than that of the connecting cavity.

The utility model mainly obtains the following beneficial effects:

in the present invention, the first clamp plate is fixedly connected to the fixing plate, so that when the mounting block moves along with the robot arm, the whole first clamp structure also moves along with the robot arm, and the first suction member is mainly used for sucking and fixing the strip-shaped structure, such as a cup belt and other materials. In addition, the sliding table can move longitudinally relative to the cylinder, the second clamp plate is fixedly connected to the sliding table, so that when the mounting block moves along with the mechanical arm, the whole second clamp structure can also move along with the mechanical arm, and when the sliding table moves longitudinally relative to the cylinder, the second clamp structure can also move longitudinally along with the sliding table. Compared with the existing clamps, the clamp has a single structure, so that an operator needs to replace the clamp or the clamping jaw when clamping different materials, the first clamp structure and the second clamp structure can be respectively used for sucking and fixing different materials, the functionality is strong, and the second clamp structure can move along the longitudinal direction, so that the materials can be sucked and fixed more accurately.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a schematic view of a multi-function clamp on a robotic arm according to an embodiment of the present invention.

Fig. 2 is an overall schematic view of the multifunctional clamp according to an embodiment of the disclosure.

Fig. 3 is an exploded view of the multi-function clip according to an embodiment of the present invention.

Fig. 4 is a schematic view of a first clamp structure according to an embodiment of the disclosure.

Fig. 5 is a schematic view of a second clamp structure according to an embodiment of the disclosure.

Fig. 6 is a schematic view of a retaining ring according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

As shown in fig. 1 to 6, as a first embodiment of the present invention, a multifunctional clamp for a robot arm is disclosed, which can be used for clamping materials such as a cover body, a strip-shaped structure body, etc., and the multifunctional clamp is located below a connecting shaft of the robot arm 100, so that the robot arm 100 will synchronously drive the multifunctional clamp in the rotating process. The utility model mainly comprises a driving structure 3, a first clamp structure 1 and a second clamp structure 2, wherein the driving structure 3 comprises a fixed plate 31 and a cylinder 32 positioned on the side of the fixed plate 31, the fixed plate 31 is connected to a mounting block 101 below a mechanical arm 100, and the cylinder 32 is provided with a sliding table 321 capable of moving along the longitudinal direction; the first clamp structure 1 is positioned on the fixing plate 31, and the first clamp structure 1 comprises a first clamp plate 11 connected with the fixing plate 31 and a first suction member 12 connected to the first clamp plate 11; the second clamp structure 2 is located on the cylinder 32, the second clamp structure 2 includes a second clamp plate 21 connected to the sliding table 321 and capable of moving longitudinally, a second suction member 22 connected to the second clamp plate 21, and a fixing assembly 23 sleeved on the second suction member 22, and a containing cavity 203 for containing materials is formed in the middle of the fixing assembly 23. In the present invention, the fixing plate 31 is fixedly connected to the mounting block 101, and the first clamp plate 11 of the first clamp structure 1 is fixedly connected to the fixing plate 31, so that when the mounting block 101 moves along with the robot arm, the whole first clamp structure 1 also moves along with the robot arm, it should be noted that one or more first suction elements 12 may be provided, and in the present invention, the first suction element 12 is mainly used for sucking and fixing a bar-shaped structure, such as a cup belt, and other materials, but of course, in other embodiments, the first suction element 12 may also be used for sucking and fixing other materials. In addition, the air cylinder 32 is fixedly connected to the fixing plate 31, the sliding table 321 can move longitudinally relative to the air cylinder 32, and the second clamp plate 21 of the second clamp structure 2 is fixedly connected to the sliding table 321, so that when the mounting block 101 moves along with the robot arm, the whole second clamp structure 2 can also move along with the robot arm, and when the sliding table 321 moves longitudinally relative to the air cylinder 32, the second clamp structure 2 can also move longitudinally along with the sliding table 321, in addition, the second clamp structure 2 further includes a fixing assembly 23, and the material can be accommodated and mounted in the accommodating cavity 203 of the fixing assembly 23 for further stabilizing the material, and avoiding the situation that the material falls off due to insufficient fixing force of the second suction member 22, it should be noted that one or more second suction members 22 can be provided, and in the present invention, the second suction member 22 is mainly used for sucking and fixing materials such as cup lids, because the cap may be secured within the receiving cavity 203, the cap may be further reinforced, although in other embodiments, the second suction member 22 may be used to suck and secure other materials. Compared with the existing clamps, the clamp has a single structure, so that an operator needs to replace the clamp or the clamping jaw when clamping different materials, the first clamp structure 1 and the second clamp structure 2 can be respectively used for sucking and fixing different materials, the functionality is strong, and the second clamp structure 2 can move longitudinally, so that the materials can be sucked and fixed more accurately.

As another embodiment of the present invention, the first clamp plates 11 are provided with two, two first clamp plates 11 are separately arranged and connected to the side of the fixing plate 31 away from the cylinder 32, and two first clamp plates 11 are connected to the side of the fixing plate 31 away from the cylinder 32 for facilitating the installation of the cylinder 32 and facilitating the longitudinal movement of the second clamp structure 22 to avoid collision, although in other embodiments, the first clamp plates 11 may be provided with one or more than two. Specifically, the first clamping plate 11 includes a first plate 111 connected to the fixing plate 31, and a second plate 112 vertically connected to the lower end of the first plate 111, and the first suction element 12 is connected to the second plate 112, so that in the present invention, the first clamping plate 11 is bent to be firmly connected to the fixing plate 31, and the first suction element 12 can be installed. As another embodiment of the present invention, the second plate 112 is provided with two first mounting channels 1120 which are separately arranged and are used for the first suction elements 12 to penetrate and fix, and the two first mounting channels 1120 are arranged along the same horizontal line, so in the present invention, two first suction elements 12 are connected to the second plate 112, and since the two first mounting channels 1120 are arranged along the same horizontal line, the two first suction elements 12 are also arranged along the same horizontal line, so as to more stably suck and fix the strip-shaped structures such as cup strips. It should be noted that more first mounting channels 1120 and more first suction elements 12 may also be provided on the second plate 112, and the above-mentioned functions are also achieved.

As another embodiment of the present invention, the first suction element 12 includes a first connection post 121 penetrating through the first installation channel 1120, a first adjustment nut 122 sleeved on the first connection post 121, and a first suction disc 123 connected to the lower end of the first connection post 121, and the first adjustment nut 122 can be connected to the second plate 112 in an abutting manner. Therefore, in the present invention, the first connection post 121 penetrates through the first installation channel 1120 and is fixed on the second plate 112 by the first adjustment nut 122, so that the structure is stable and firm, it should be noted that, in the present invention, the first suction element 12 is configured as a vacuum chuck, so that the suction force is strong, and the chuck is not easy to scratch the material compared with the clamping jaw, so that the safety performance is good.

As another embodiment of the present invention, the slide table 321 is longitudinally arranged on the side of the cylinder 32 remote from the fixed plate 31, the second clamp plate 21 includes a third plate body 211 connected to the slide table 321 and moving synchronously with the slide table 321, and a fourth plate body 212 vertically connected to a lower end of the third plate body 211, and the second suction member 22 is connected to the fourth plate body 212. In the present invention, one second clamp plate 21 is provided, but in other embodiments, a plurality of second clamp plates 21 may be provided, and the second clamp plate 21 is bent, so that the second clamp plate can be stably connected to the sliding table 321 and can be used for mounting the second suction element 22. As another embodiment of the present invention, two second mounting passages 2120 are provided on the fourth plate body 212 to be spaced apart for the second suction members 22 to penetrate and fix, and the two second mounting passages 2120 are arranged along the same horizontal line, so in the present invention, two second suction members 22 are connected to the fourth plate body 212, and since the two second mounting passages 2120 are arranged along the same horizontal line, the two second suction members 22 are also arranged along the same horizontal line to maintain stable stability. It should be noted that a larger number of second mounting passages 2120 and a larger number of second suction members 22 may be provided on the fourth plate body 212, and the above-described effects are also achieved.

As another embodiment of the present invention, the second suction element 22 includes a second connecting column 221 penetrating through the second mounting channel 2120, a second adjusting nut 222 sleeved on the second connecting column 221, and a second suction cup 223 connected to the lower end of the second connecting column 221, wherein the second adjusting nut 222 can be connected to the fourth plate body 212 in an abutting manner. Therefore, in the present invention, the second connection column 221 penetrates through the second installation channel 2120, and is fixed on the fourth plate 212 by the second adjustment nut 222, so that the structure is stable and firm, it should be noted that, in the present invention, the second suction member 22 is a vacuum chuck, so that the suction force is strong, and the chuck is not easy to scratch the material compared with the clamping jaw, so that the safety performance is good.

As another embodiment of the present invention, the fixing assembly 23 includes a limiting ring 231 sleeved on the periphery of the second connecting column 221 for limiting the movement of the material and/or the second suction cup 223, and a fixing ring 232 sleeved on the periphery of the limiting ring 231 for fixing and accommodating the material and the limiting ring 231. As another embodiment of the present invention, a through hole for the second connecting column 221 and the second suction cup 223 to pass through is provided in the middle of the limiting ring 231, and a connecting cavity 2321 for the limiting ring 231 to connect with and an accommodating cavity 203 located below the connecting cavity 2321 are provided in the middle of the fixing ring 232. As another embodiment of the present invention, the second suction cup 223 penetrates the through hole into the accommodating cavity 203, and the chamber space of the accommodating cavity 203 is larger than the chamber space of the connecting cavity 2321. Therefore, in the present invention, the fixing ring 231 in the fixing assembly 23 is used to accommodate the limiting ring 231 on one hand and accommodate and fix the cup cover on the other hand, so that the cup cover can be connected in the accommodating cavity 203 in a clamping manner to prevent the cup cover from shaking during transportation.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.

In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.

Claims (10)

1. A multi-function clamp for a robotic arm, comprising:

the driving structure comprises a fixed plate and an air cylinder positioned on the side of the fixed plate, the fixed plate is connected to the mounting block below the mechanical arm, and the air cylinder is provided with a sliding table capable of moving along the longitudinal direction;

the first clamp structure is positioned on the fixed plate and comprises a first clamp plate connected with the fixed plate and a first suction piece connected to the first clamp plate;

the second clamp structure is positioned on the cylinder and comprises a second clamp plate, a second suction piece and a fixing assembly, wherein the second clamp plate is connected with the sliding table and can move longitudinally, the second suction piece is connected onto the second clamp plate, the fixing assembly is sleeved on the second suction piece, and an accommodating cavity for accommodating materials is formed in the middle of the fixing assembly.

2. The multi-function clip of claim 1, wherein: the two first clamp plates are arranged in a separated mode and connected to one side, away from the cylinder, of the fixing plate;

the first clamp plate comprises a first plate body connected with the fixing plate and a second plate body vertically connected to the lower end of the first plate body, and the first suction piece is connected to the second plate body.

3. The multi-function clip of claim 2, wherein: the second plate body is provided with two first mounting channels which are arranged in a spaced mode and used for enabling the first suction piece to penetrate through and be fixed, and the two first mounting channels are arranged along the same horizontal line.

4. The multi-function clip of claim 3, wherein: the first suction piece comprises a first connecting column penetrating through the first installation channel, a first adjusting nut sleeved on the first connecting column and a first sucking disc connected to the lower end of the first connecting column, and the first adjusting nut can be abutted to and connected to the second plate body.

5. The multi-function clip of claim 4, wherein: the sliding table is longitudinally arranged on the side, far away from the fixing plate, of the cylinder, the second clamp plate comprises a third plate body and a fourth plate body, the third plate body is connected with the sliding table and moves synchronously with the sliding table, the fourth plate body is vertically connected to the lower end of the third plate body, and the second suction piece is connected to the fourth plate body.

6. The multi-function clip of claim 5, wherein: the fourth plate body is provided with two second mounting channels which are arranged in a spaced mode and used for penetrating and fixing the second suction piece, and the two second mounting channels are arranged along the same horizontal line.

7. The multi-function clip of claim 6, wherein: the second suction piece comprises a second connecting column penetrating through the second mounting channel, a second adjusting nut sleeved on the second connecting column and a second sucker connected to the lower end of the second connecting column, and the second adjusting nut can be abutted to and connected to the fourth plate body.

8. The multi-function clip of claim 7, wherein: the fixing component comprises a limiting ring and a fixing ring, wherein the limiting ring is sleeved on the periphery of the second connecting column and used for limiting the movement of the material and/or the second sucker, and the fixing ring is sleeved on the periphery of the limiting ring and used for fixing and containing the material and the limiting ring.

9. The multi-function clip of claim 8, wherein: the middle of spacing ring is provided with the through-hole that supplies second spliced pole and second sucking disc to run through, the middle of solid fixed ring is provided with the connection chamber that supplies the spacing ring to connect and is located the connection chamber below hold the chamber.

10. The multi-function clip of claim 9, wherein: the second sucker penetrates through the through hole to the accommodating cavity, and the cavity space of the accommodating cavity is larger than that of the connecting cavity.

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