CN215746015U

CN215746015U - Rotary sucker mechanism

Info

Publication number: CN215746015U
Application number: CN202121960134.XU
Authority: CN
Inventors: 徐最虎; 李浩华
Original assignee: Foshan Radical Technology Co ltd
Current assignee: Foshan Radical Technology Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-02-08
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses a rotary sucker mechanism, which comprises: the suction disc component, the shaft sleeve and the rotary joint are arranged on the outer wall of the shaft sleeve, the connecting end of the shaft sleeve is connected with the suction disc component, the outer wall of the shaft sleeve is annularly provided with a ventilation groove, a first ventilation channel is arranged in the shaft sleeve, the first ventilation channel is provided with at least one first ventilation port arranged in the ventilation groove and at least one second ventilation port communicated with the suction disc component; the rotary joint is rotationally sleeved on the outer peripheral wall of the shaft sleeve, the rotary joint covers the ventilation groove in a sealing mode, the inner peripheral wall of the rotary joint and the ventilation groove form an annular air passage cavity, and the rotary joint is provided with a vacuumizing through hole communicated with the annular air passage. At the axle sleeve and the relative pivoted in-process of rotary joint, still form annular air flue chamber between rotary joint's the internal perisporium and the recess of ventilating, keep whole air flue to link up, can control at any time and loosen or absorb the work piece, because the rigidity of evacuation through-hole, the winding problem of trachea can not appear.

Description

Rotary sucker mechanism

Technical Field

The utility model relates to the technical field of sucker devices, in particular to a rotary sucker mechanism.

Background

In the field of processing of workpieces, generally, a sucker mechanism for sucking the workpiece needs to be configured, for example, an existing bending machine is configured with a sucker mechanism for sucking a plate, and the existing sucker mechanism has a rotating function, and can drive the plate to rotate to different postures according to the bending requirement. However, the existing suction cup mechanism has the following problems: in the rotating process of the sucker mechanism, the connected air pipe is easy to wind, and if the rotating angle is large, the air pipe can be damaged by pulling, even the air pipe is broken by pulling, so that the adsorption function is lost.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a rotary suction cup mechanism that solves one or more of the problems set forth in the prior art, and provides at least one useful alternative or creation.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a rotary sucker mechanism, comprising: the suction disc type air compressor comprises a suction disc assembly, a shaft sleeve and a rotary joint, wherein two ends of the shaft sleeve are divided into a driving end and a connecting end, the connecting end is connected with the suction disc assembly, the peripheral wall of the shaft sleeve is annularly provided with a ventilation groove, a first ventilation channel is arranged inside the shaft sleeve, the first ventilation channel is provided with at least one first ventilation port arranged in the ventilation groove and at least one second ventilation port communicated with the suction disc assembly; the rotary joint is provided with hollow rotation hole, the rotary joint rotationally overlaps on locating the periphery wall of axle sleeve, just the rotary joint is sealed to cover the recess of ventilating, rotary joint's internal perisporium and the recess of ventilating form annular air flue chamber, rotary joint be provided with the evacuation through-hole of annular air flue intercommunication.

The utility model has the beneficial effects that: when the sucking device is used, the peripheral vacuumizing device is connected with the vacuumizing through hole, when a workpiece is sucked, the peripheral vacuumizing device performs air suction to vacuumize the sucker component, air in a vacuum cavity between the sucker component and the workpiece is sequentially sucked out along the second air port, the first air passage, the first air port, the annular air passage cavity and the vacuumizing through hole, when the workpiece needs to be rotated, namely the sucker component needs to be rotated, the shaft sleeve can be driven to rotate relative to the rotary joint, the rotary joint does not rotate relative to the peripheral vacuumizing device, in the process that the shaft sleeve and the rotary joint rotate relative to each other, the annular air passage cavity is still formed between the inner peripheral wall of the rotary joint and the ventilating groove to keep the whole air passage to be communicated, the workpiece can be controlled to be loosened or sucked at any time, and the problem of air pipe winding cannot occur due to the fixed position of the vacuumizing through hole, and ensures that no vacuum is lost.

As a further improvement of the above technical solution, the number of the first vent ports is plural, and the plural first vent ports are arranged at intervals along the annular vent groove. The plurality of first ventilation ports are arranged, so that the ventilation volume can be improved, and the vacuumizing through hole and the first ventilation ports are close to each other as far as possible, so that the vacuumizing process can be quickly responded.

As a further improvement of the technical scheme, two first sealing rings are arranged between the inner peripheral wall of the rotary joint and the outer peripheral wall of the shaft sleeve, and two sides of the outer part of the ventilation groove are respectively arranged on the two first sealing rings.

This scheme sets up two first sealing washers and improves the gas tightness between rotary joint's the internal perisporium and the periphery wall of axle sleeve, avoids appearing leaking the phenomenon in vacuum.

As a further improvement of the technical scheme, the peripheral wall of the shaft sleeve is provided with two annular limiting grooves, and the first sealing rings are sleeved in the limiting grooves one by one.

This scheme comes to fix a position the installation to first sealing washer through the spacing groove, avoids at axle sleeve pivoted in-process, and first sealing washer shifts.

As a further improvement of the technical scheme, the peripheral wall of the shaft sleeve is provided with a limit step, one end of the rotary joint is abutted to the limit step, the peripheral wall of the shaft sleeve is sleeved with a snap ring, the other end of the rotary joint is abutted to the snap ring, the peripheral wall of the shaft sleeve is provided with an annular clamping groove, and the clamping groove is sleeved with the snap ring.

When using, because need axle sleeve and rotary joint in the axial relatively fixed setting, this scheme carries out the ascending location of axial through spacing step and snap ring to rotary joint to the joint inslot is located to the snap ring cover, also makes things convenient for the dismouting between axle sleeve and the rotary joint.

As a further improvement of the technical scheme, the sucker component comprises a sucker seat connected with the connecting end and a sucker body arranged on the sucker seat, a second air passage is arranged in the sucker seat, and the second air passage is provided with a third air port in butt joint with the second air port and a fourth air port communicated with the sucker body.

The sucking disc subassembly in this scheme is fixed through sucking disc seat and bushing to and absorb the work piece through the sucking disc body, wherein the sucking disc body generally is rubber component, and when absorbing, the air between sucking disc body and the work piece is along fourth vent port, second vent passage and third vent port suction second vent port.

As a further improvement of the above technical solution, the suction cup holder is provided with an adsorption end face and a butt end face, the butt end face and the connection end face are detachably connected, the second air vent port is arranged on the end face of the connection end, the third air vent port is arranged on the butt end face, the end face of the connection end and a second sealing ring are arranged between the butt end faces, the second sealing ring is sleeved on the periphery between the second air vent port and the third air vent port, and the suction cup body is installed on the adsorption end face.

The sucking disc seat in this scheme is split type with the axle sleeve, and this manufacturing of mainly being convenient for has still set up the second sealing washer between sucking disc seat and axle sleeve, improves the leakproofness of second vent port and third vent port butt joint, avoids appearing leaking the phenomenon in vacuum.

As a further improvement of the technical scheme, the adsorption end face is concavely provided with a mounting groove, the fourth air port is arranged in the mounting groove, and the suction disc body is mounted in the mounting groove.

The sucking disc body in this scheme is installed on the mounting groove that adsorbs the terminal surface, mainly makes things convenient for the fixed mounting of sucking disc body.

As a further improvement of the above technical solution, the number of the suction cup bodies is plural, and the number of the fourth air ports is also plural.

This scheme sets up a plurality of suction cups, can improve absorbent stability, can absorb the work piece that weight is bigger.

As a further improvement of the above technical solution, the rotary sucker mechanism further includes a rotary driving assembly, and the rotary driving assembly is provided with a rotary power end which is in transmission connection with the driving end and enables the shaft sleeve to rotate relative to the rotary joint.

The scheme also provides a rotary driving assembly for driving the shaft sleeve to rotate relative to the rotary joint.

Drawings

The utility model is further described with reference to the accompanying drawings and examples;

FIG. 1 is an exploded view of one embodiment of a rotary suction cup mechanism provided by the present invention;

FIG. 2 is a schematic structural view of an embodiment of a rotary chuck mechanism according to the present invention;

FIG. 3 is an assembled cross-sectional view of one embodiment of the bushing and rotary union of the present invention;

FIG. 4 is a cross-sectional view of an embodiment of the chuck base according to the present invention.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are described, the meaning is one or more, the meaning of a plurality is two or more, more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 4, a rotary chuck mechanism of the present invention is made as follows:

the rotary sucker mechanism of the present embodiment comprises a sucker assembly 100, a shaft sleeve 200, a rotary joint 300 and a rotary driving assembly 700.

The two ends of the shaft sleeve 200 of the present embodiment are divided into a driving end and a connecting end, the connecting end is connected with the suction cup assembly 100, the peripheral wall of the shaft sleeve 200 is annularly provided with a ventilation groove 210, a first ventilation channel 220 is arranged inside the shaft sleeve 200, and the first ventilation channel 220 is provided with at least one first ventilation port 221 arranged in the ventilation groove 210 and at least one second ventilation port 222 arranged in communication with the suction cup assembly 100.

The rotary joint 300 is provided with a hollow rotating hole 320, the rotary joint 300 is rotatably sleeved on the outer peripheral wall of the shaft sleeve 200, the rotary joint 300 hermetically covers the ventilation groove 210, an annular air passage cavity is formed by the inner peripheral wall of the rotary joint 300 and the ventilation groove 210, and the rotary joint 300 is provided with a vacuumizing through hole 310 communicated with the annular air passage.

Because it sets up to need axle sleeve 200 and rotary joint 300 relatively fixed in the axial, this embodiment is in the periphery wall of axle sleeve 200 is provided with spacing step 240, rotary joint 300's one end is contradicted with spacing step 240, axle sleeve 200's periphery wall cover is equipped with snap ring 500, rotary joint 300's the other end is contradicted with snap ring 500 axle sleeve 200's periphery wall is provided with annular joint groove 250, in joint groove 250 was located to snap ring 500 cover, this embodiment carries out axial ascending location through spacing step 240 and snap ring 500 to rotary joint 300 to in joint groove 250 was located to snap ring 500 cover, also made things convenient for the dismouting between axle sleeve 200 and the rotary joint 300.

The rotary driving assembly 700 of the present embodiment is provided with a rotary power end in transmission connection with the driving end, so that the shaft sleeve 200 rotates relative to the rotary joint 300, and specifically, the rotary driving assembly 700 of the present embodiment employs a servo motor.

The suction cup assembly 100 of the present embodiment includes a suction cup holder 110 connected to the connecting end, and a suction cup body 120 mounted on the suction cup holder 110, wherein a second air passage 130 is disposed in the suction cup holder 110, the second air passage 130 is provided with a third air port 131 butted with a second air port 222, and a fourth air port 132 communicated with the suction cup body 120, and a workpiece is sucked by the suction cup body 120, wherein the suction cup body 120 is generally a rubber member.

When the suction cup assembly 100 needs to rotate when the workpiece needs to rotate, the rotation driving assembly 700 drives the shaft sleeve 200 to rotate relative to the rotary joint 300, the rotary joint 300 does not rotate relative to the peripheral vacuumizing device, and an annular air passage cavity is still formed between the inner peripheral wall of the rotary joint 300 and the ventilation groove 210 to keep the whole air passage communicated during the relative rotation of the shaft sleeve 200 and the rotary joint 300, the workpiece can be controlled to be loosened or sucked at any time, the air pipe cannot be wound due to the fixed position of the vacuumizing through hole 310, and the vacuum leakage is ensured.

Wherein, the sucking disc seat 110 is provided with adsorbs terminal surface 111 and butt joint terminal surface 112, butt joint terminal surface 112 with link releasable connection, second vent port 222 set up in on the terminal surface of link, third vent port 131 set up in on the butt joint terminal surface 112 the terminal surface of link with be provided with second sealing washer 600 between the butt joint terminal surface 112, second sealing washer 600 cover is located the periphery between second vent port 222 and the third vent port 131, sucking disc body 120 install in adsorb terminal surface 111, sucking disc seat 110 in this embodiment is split type with axle sleeve 200, and this mainly is convenient for manufacture, and has still set up second sealing washer 600 between sucking disc seat 110 and axle sleeve 200, improves the leakproofness of second vent port 222 and third vent port 131 butt joint, avoids appearing leaking the phenomenon of vacuum.

The suction cup holder 110 and the shaft sleeve 200 in this embodiment are fixedly connected by bolts, and other structures can be adopted in other embodiments. Alternatively, the suction cup holder 110 may be integrally formed with the sleeve 200.

In order to facilitate the fixed installation of the suction cup body 120, an installation groove 113 is concavely formed on the adsorption end surface 111, the fourth air port 132 is arranged in the installation groove 113, and the suction cup body 120 is installed in the installation groove 113. In this embodiment, the number of the suction cup bodies 120 is plural, and the number of the fourth air ports 132 is also plural, so that the adsorption stability is improved, and a workpiece with a larger weight can be adsorbed.

In order to increase the ventilation amount and to make the positions between the evacuation through-hole 310 and the first ventilation port 221 as close as possible, the number of the first ventilation ports 221 is plural, and the plural first ventilation ports 221 are annularly spaced along the ventilation groove 210, so that the suction cup body 120 can respond quickly during evacuation.

Further, be provided with two first sealing rings 400 between the internal perisporium of rotary joint 300 and the periphery wall of axle sleeve 200, two first sealing rings 400 are provided with the outside both sides of ventilation groove 210 respectively, and two first sealing rings 400 improve the gas tightness between the internal perisporium of rotary joint 300 and the periphery wall of axle sleeve 200, avoid appearing leaking the phenomenon of vacuum, specifically: the outer peripheral wall of the shaft sleeve 200 is provided with two annular limiting grooves 230, the first sealing rings 400 are sleeved in the limiting grooves 230 one by one, the first sealing rings 400 are positioned and installed through the limiting grooves 230, and the first sealing rings 400 are prevented from shifting in the rotating process of the shaft sleeve 200.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the utility model as set forth in the claims appended hereto.

Claims

1. A kind of rotary suction cup organization, characterized by: it includes:

a chuck assembly (100);

the suction cup comprises a shaft sleeve (200), wherein two ends of the shaft sleeve are divided into a driving end and a connecting end, the connecting end is connected with a suction cup assembly (100), a ventilation groove (210) is formed in the peripheral wall of the shaft sleeve (200) in a surrounding mode, a first ventilation channel (220) is arranged inside the shaft sleeve (200), the first ventilation channel (220) is provided with at least one first ventilation port (221) arranged in the ventilation groove (210) and at least one second ventilation port (222) communicated with the suction cup assembly (100);

the rotary joint (300) is provided with a hollow rotating hole (320), the rotary joint (300) is rotatably sleeved on the outer peripheral wall of the shaft sleeve (200), the rotary joint (300) covers the ventilation groove (210) in a sealing mode, an annular air passage cavity is formed by the inner peripheral wall of the rotary joint (300) and the ventilation groove (210), and the rotary joint (300) is provided with a vacuumizing through hole (310) communicated with the annular air passage.

2. A rotary suction cup mechanism according to claim 1, wherein:

the number of the first vent ports (221) is plural, and the plural first vent ports (221) are arranged at intervals along the annular shape of the vent groove (210).

3. A rotary suction cup mechanism according to claim 1, wherein:

two first sealing rings (400) are arranged between the inner peripheral wall of the rotary joint (300) and the outer peripheral wall of the shaft sleeve (200), and two sides of the outer part of the ventilation groove (210) are respectively arranged on the two first sealing rings (400).

4. A rotary suction cup mechanism according to claim 3, wherein:

the outer peripheral wall of the shaft sleeve (200) is provided with two annular limiting grooves (230), and the first sealing rings (400) are sleeved in the limiting grooves (230) one by one.

5. A rotary suction cup mechanism according to claim 1, wherein:

the periphery wall of axle sleeve (200) is provided with spacing step (240), the one end and the spacing step (240) of rotary joint (300) are contradicted, the periphery wall cover of axle sleeve (200) is equipped with snap ring (500), the other end and the snap ring (500) of rotary joint (300) are contradicted the periphery wall of axle sleeve (200) is provided with annular joint groove (250), snap ring (500) cover is located in joint groove (250).

6. A rotary suction cup mechanism according to claim 1, wherein:

sucking disc subassembly (100) include with sucking disc seat (110) that the link is connected, install sucking disc body (120) on sucking disc seat (110) be provided with second vent channel (130) in sucking disc seat (110), second vent channel (130) be provided with third vent port (131) of second vent port (222) butt joint, with fourth vent port (132) of sucking disc body (120) intercommunication.

7. The rotary suction cup mechanism of claim 6, wherein:

sucking disc seat (110) are provided with adsorbs terminal surface (111) and butt joint terminal surface (112), butt joint terminal surface (112) with link releasable connection, second vent port (222) set up in on the terminal surface of link, third vent port (131) set up in on butt joint terminal surface (112) the terminal surface of link with be provided with second sealing washer (600) between butt joint terminal surface (112), second vent port (222) and third vent port (131) periphery are located to second sealing washer (600) cover, sucking disc body (120) install in adsorb terminal surface (111).

8. The rotary suction cup mechanism of claim 7, wherein:

the adsorption end face (111) is concavely provided with a mounting groove (113), the fourth air port (132) is arranged in the mounting groove (113), and the suction disc body (120) is mounted in the mounting groove (113).

9. The rotary suction cup mechanism of claim 6, wherein:

the suction cup body (120) is provided with a plurality of suction cup bodies, and the fourth air port (132) is also provided with a plurality of suction cup bodies.

10. A rotary sucker mechanism as claimed in any one of claims 1 to 9 wherein:

the rotary sucker mechanism further comprises a rotary driving assembly (700), and the rotary driving assembly (700) is provided with a rotary power end which is in transmission connection with the driving end and enables the shaft sleeve (200) to rotate relative to the rotary joint (300).