CN215905417U

CN215905417U - Sucking disc formula material device of grabbing

Info

Publication number: CN215905417U
Application number: CN202121963083.6U
Authority: CN
Inventors: 蔡文武; 吴志鹏
Original assignee: Guangde Dongwei Technology Co ltd
Current assignee: Guangde Dongwei Technology Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-02-25
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses a sucker type material grabbing device, which comprises: the main bracket is fixed with a sucker fixing piece and a suction nozzle mounting bracket; the sucking disc is connected to the main bracket through a sucking disc fixing piece and is arranged corresponding to the middle part of the workpiece to be adsorbed; and the vacuum suction nozzles are fixed on the main support through a suction nozzle mounting support, are arranged on the outer side of the suction disc and are arranged corresponding to the peripheral part of the workpiece to be adsorbed. When adsorbing the work piece, a plurality of vacuum suction nozzles adsorb the peripheral part at the work piece, and the sucking disc adsorbs the mid portion of work piece, even there is the fretwork hole in the mid portion of work piece, the sucking disc also can produce certain adsorption affinity to the mid portion of work piece, prevents that the mid portion of work piece from appearing recessed because of the adsorption affinity is not enough, guarantees workpiece surface's planarization, and the vacuum adsorption environment that forms between vacuum suction nozzle and the work piece is difficult for being destroyed because of the work piece warp, and then can improve the stability when sucking disc formula is grabbed the material device and is snatched the work piece.

Description

Sucking disc formula material device of grabbing

Technical Field

The utility model relates to the technical field of material grabbing devices, in particular to a sucker type material grabbing device.

Background

In an automatic production line, a material grabbing device with a sucker is usually adopted to grab workpieces, so that the workpieces are transferred between different stations.

However, the existing material grabbing device with the sucking disc has the problems that the grabbing stability is not high when the grabbing device grabs a perforated plate which is heavy in weight and provided with a through hole in the middle, and the perforated plate is easy to drop. For example, the opening plate 100 shown in fig. 1, the opening plate 100 includes an edge solid portion 101 at the edge and a hollow central portion 102 in the middle and provided with a through hole. If the suction cup only grabs the middle hollow part 102 of the perforated plate, the suction cup is liable to be unable to stably suck the perforated plate 100 due to insufficient suction force; if the suction cup only grabs the edge solid part 101 of the perforated plate 100, the middle hollow part 102 of the perforated plate 100 may be recessed due to a larger gravity, and the surface of the perforated plate 100 becomes uneven, which may also result in that the suction cup cannot stably suck the perforated plate 100, and thus the improvement is inherently required.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the defect that the material grabbing device with the sucking disc in the prior art is difficult to stably grab the perforated plate, so that the sucking disc type material grabbing device is provided.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

a suction cup type material grabbing device for adsorbing a workpiece, comprising:

the main bracket is fixed with a sucker fixing piece and a suction nozzle mounting bracket;

the sucking disc is connected to the main bracket through a sucking disc fixing piece and is arranged corresponding to the middle part of the workpiece to be adsorbed;

and the vacuum suction nozzles are fixed on the main support through a suction nozzle mounting support, are arranged on the outer side of the suction disc and are arranged corresponding to the peripheral part of the workpiece to be adsorbed.

Furthermore, the main support is in a strip shape, and two suckers are arranged on two opposite sides of the main support in the length direction respectively; every the sucking disc all is connected with one the sucking disc mounting, two the sucking disc mounting is close to the one end of main support is fixed through same connecting piece on the main support.

Furthermore, every be equipped with on the sucking disc mounting bilateral symmetry sets up two sucking disc mouths, two the sucking disc mouth all communicates there is for the fan that the sucking disc mouth provided suction.

Further, the sucking disc mouth is including being located the circular mouth in the middle and certainly the periphery of circular mouth extends outward and with the communicating bar mouth of a plurality of even intervals of circular mouth.

Furthermore, the two suckers are fixed on the sucker fixing piece through gaskets with different heights, so that the suction surfaces of the four sucker openings on the two suckers are on the same plane.

Further, the suction nozzle mounting bracket comprises two connecting rods respectively fixed on the main bracket, and the mounting position of the suction cup fixing piece on the main bracket is positioned between the two connecting rods and the mounting position of the main bracket; each connecting rod is provided with a plurality of vacuum suction nozzles which are arranged side by side.

Furthermore, the vacuum suction nozzle comprises a suction nozzle, a hard pipe and a vacuum generator, wherein one end of the hard pipe is communicated with the suction nozzle and is fixed on the connecting rod, the vacuum generator is communicated with the other end of the hard pipe, and the vacuum generator is communicated with an external compressed air source through a connecting pipe.

Further, a first fixing seat is fixed on the main support, and a first sensor used for detecting the distance between the middle part of the workpiece to be adsorbed and the first fixing seat is fixedly connected to the first fixing seat.

Furthermore, a second fixing seat is connected to the suction nozzle mounting support, and a second sensor used for detecting the distance between the peripheral part of the workpiece to be adsorbed and the second fixing seat is fixedly connected to the second fixing seat.

The technical scheme of the utility model has the following advantages:

1. the utility model provides a sucker type material grabbing device which comprises a main support, a sucker arranged on the main support and a plurality of vacuum suction nozzles, wherein the plurality of vacuum suction nozzles are arranged on the outer side of the sucker; when adsorbing the work piece, a plurality of vacuum suction nozzles adsorb the peripheral part at the work piece, and the sucking disc adsorbs the mid portion of work piece, even there is the fretwork hole in the mid portion of work piece, the sucking disc also can produce certain adsorption affinity to the mid portion of work piece, prevents that the mid portion of work piece from appearing recessed because of the adsorption affinity is not enough, guarantees workpiece surface's planarization, and the vacuum adsorption environment that forms between vacuum suction nozzle and the work piece is difficult for being destroyed because of the work piece warp, and then can improve the stability when sucking disc formula is grabbed the material device and is snatched the work piece.

2. According to the sucker type material grabbing device provided by the utility model, the two suckers are arranged on two opposite sides of the main support in the length direction, and each sucker is provided with the two sucker openings, so that the adsorption force on each position of the middle part of a workpiece is more uniform, and the problem that the material grabbing stability of the device is influenced because the local part of the workpiece is excessively small in suction force is solved.

3. According to the sucker type material grabbing device provided by the utility model, the sucker opening comprises the round opening positioned in the middle and the plurality of strip-shaped openings which extend outwards from the periphery of the round opening and are communicated with the round opening at uniform intervals, so that the adsorption area of the sucker opening can be increased, and the stability of the sucker type material grabbing device for adsorbing workpieces is further improved.

4. According to the sucker type material grabbing device provided by the utility model, the two suckers are fixed on the sucker fixing piece through gaskets with different heights, so that the adsorption surfaces of the four sucker openings on the two suckers are on the same plane.

5. According to the sucker type material grabbing device provided by the utility model, the first sensor can detect the distance between the middle part of the workpiece to be adsorbed and the first fixed seat, and judge whether the middle part of the workpiece is stably adsorbed by the sucker; the second sensor can detect the distance between the peripheral part of the workpiece to be adsorbed and the second fixed seat and judge whether the peripheral part of the workpiece is stably adsorbed; the arrangement of the first sensor and the second sensor can detect whether the adsorption of the workpiece is reliable or not, and the workpiece is prevented from falling due to insufficient suction.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural diagram of a prior art aperture plate;

FIG. 2 is a top view of a suction cup type material grabbing device in an embodiment of the present invention;

FIG. 3 is a side view of a suction cup type material grabbing device in an embodiment of the present invention.

Description of reference numerals: 100. a perforated plate; 101. an edge solid portion; 102. a middle hollow part; 1. a main support; 2. a suction cup fixing member; 3. a suction cup; 31. a sucker port; 31a, a circular port; 31b, a strip-shaped opening; 4. a workpiece; 5. a vacuum nozzle; 51. a suction nozzle; 52. a rigid tube; 53. a vacuum generator; 54. a connecting pipe; 6. a connecting member; 7. a first gasket; 8. a second gasket; 9. a connecting rod; 10. a first fixed seat; 11. a first sensor; 12. a second fixed seat; 13. a second sensor; 14. connecting rod mounting.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 in specific cases to those skilled in the art.

As shown in fig. 2 and 3, the suction cup type material grabbing device comprises a main support 1, a suction cup fixing piece 2, a suction cup 3, a suction nozzle mounting support and a plurality of vacuum suction nozzles 5. Wherein, the main support 1 is strip-shaped, and the sucker fixing piece 2 and the suction nozzle mounting support are both fixed on the main support 1. The sucker 3 is fixed on the sucker fixing piece 2 and is arranged corresponding to the middle part of the workpiece 4 to be adsorbed; a plurality of vacuum suction nozzles 5 are fixed on the nozzle mounting bracket and are provided corresponding to the peripheral portions of the workpiece 4 to be sucked.

The suction cup type material grabbing device is characterized in that the vacuum suction nozzles 5 are arranged on the outer side of the suction cup 3, when the suction cup 4 adsorbs a workpiece, the vacuum suction nozzles 5 are adsorbed on the peripheral portion of the workpiece 4, the suction cup 3 adsorbs the middle portion of the workpiece 4, even if a hollow hole exists in the middle portion of the workpiece 4, the suction cup 3 can generate certain adsorption force on the middle portion of the workpiece 4, the middle portion of the workpiece 4 is prevented from being concave due to insufficient adsorption force, the smoothness of the surface of the workpiece 4 is guaranteed, the vacuum adsorption environment formed between the vacuum suction nozzles 5 and the workpiece 4 is not prone to being damaged due to deformation of the workpiece 4, and therefore the stability of the suction cup type material grabbing device when the workpiece 4 is grabbed can be improved.

In this embodiment, the suction nozzle mounting bracket comprises two connecting rods 9 respectively fixed on the main bracket 1 through connecting rod fixing pieces 14, and each connecting rod 9 is provided with a plurality of vacuum suction nozzles 5 arranged side by side; the mounting position of the sucker fixing piece 2 on the main bracket 1 is positioned between the two connecting rods 9 and the mounting position of the main bracket 1. In an alternative embodiment, the nozzle mounting bracket may also be a chevron-shaped mounting bracket. Specifically, the main support 1 is made of 2060 aluminum profile, the connecting rod 9 is made of 1530 aluminum profile, and the sucker fixing piece 2 is made of PVC material.

In this embodiment, two suckers 3 are respectively located on two opposite sides of the main support 1 in the length direction; every sucking disc 3 all is connected with a sucking disc mounting 2, and two sucking disc mountings 2 are close to the one end of main support 1 and fix on main support 1 through same connecting piece 6. A first gasket 7 is arranged between one sucker fixing piece 2 and the corresponding sucker 3 in a padding mode, a second gasket 8 is arranged between the other sucker fixing piece 2 and the corresponding sucker 3 in a padding mode, and the thicknesses of the first gasket 7 and the second gasket 8 are different. Because two sucking disc mountings 2 overlap and install on main support 1, consequently can have the difference in height between two sucking disc mountings 2, through setting up the gasket of different thickness, can make the adsorption plane of two sets of sucking discs 3 be in on the coplanar, be favorable to guaranteeing the uniformity of the suction size everywhere on the adsorption plane. In an alternative embodiment, two suckers 3 can be fixed at two ends of the same sucker fixing member 2 respectively, the middle part of the sucker fixing member 2 is fixed on the main support 1 through the connecting member 6, and in this way, the gasket between the sucker fixing member 2 and the sucker 3 can be omitted.

In this embodiment, it sets up two sucking disc mouths 31 to have seted up on every sucking disc 3 in 2 bilateral symmetry settings of sucking disc mounting, and the adsorption area of sucking disc mouth 31 is greater than vacuum suction nozzle 5's adsorption area, and two sucking disc mouths 31 all communicate with the fan that provides suction for sucking disc mouth 31, and four sucking disc mouths 31's adsorption plane is on the coplanar on two sucking discs 3. So set up, can make the adsorption affinity that each position of work piece 4 mid portion received more even, prevent that work piece 4 from receiving the problem that the influence device grabbed the material stability because of the local suction undersize.

In this embodiment, the suction cup port 31 includes a circular port 31a in the middle, and eight evenly spaced bar-shaped ports 31b extending outward from the outer periphery of the circular port 31a and communicating with the circular port 31 a. The setting of bar mouth 31b can improve the adsorption area of sucking disc mouth 31, and then improves the sucking disc formula and grabs the stability that material device adsorbs work piece 4. It will be understood herein that the shape of the suction cup port 31 can be designed to any desired shape as desired.

In the present embodiment, the vacuum suction nozzle 5 includes a suction nozzle 51, a rigid tube 52 having one end communicating with the suction nozzle 51 and fixed to the connection rod 9, and a vacuum generator 53 communicating with the other end of the rigid tube 52, the vacuum generator 53 communicating with an external compressed air source through a connection tube 54. The vacuum generator 53 can make the suction nozzle 51 form a certain vacuum degree along with the flow of the compressed air, and compared with a vacuum pump, the vacuum generator has the advantages of simple structure, small volume, light weight, low price, convenient installation, easy combination with a matching set, quick generation and release of vacuum, suitability for intermittent work with small flow and suitability for scattered use.

In this embodiment, a first fixing seat 10 is fixed to the main support 1, and a first sensor 11 for detecting a distance between an intermediate portion of the workpiece 4 to be adsorbed and the first fixing seat 10 is fixedly connected to the first fixing seat 10. The suction nozzle mounting bracket is connected with a second fixed seat 12, and the second fixed seat 12 is fixedly connected with a second sensor 13 for detecting the distance between the peripheral part of the workpiece 4 to be adsorbed and the second fixed seat 12. The first sensor 11 can detect the distance between the middle part of the workpiece 4 to be adsorbed and the first fixed seat 10, and judge whether the middle part of the workpiece 4 is stably adsorbed by the sucker 3; the second sensor 13 can detect the distance between the peripheral part of the workpiece 4 to be adsorbed and the second fixed seat 12, and judge whether the peripheral part of the workpiece 4 is stably adsorbed; the first sensor 11 and the second sensor 13 are arranged to detect whether the workpiece 4 is reliably sucked, so that the workpiece 4 is prevented from falling due to insufficient suction.

In summary, the suction cup type material grabbing device provided by the embodiment of the utility model comprises a main support 1, and a suction cup 3 and a plurality of vacuum suction nozzles 5 which are installed on the main support 1, wherein the plurality of vacuum suction nozzles 5 are arranged outside the suction cup 3; when adsorbing work piece 4, a plurality of vacuum suction nozzle 5 adsorb the peripheral part at work piece 4, sucking disc 3 adsorbs the middle part of work piece 4, even there is the fretwork hole in the middle part of work piece 4, sucking disc 3 also can produce certain adsorption affinity to the middle part of work piece 4, prevent that the middle part of work piece 4 from appearing recessed because of the adsorption affinity is not enough, guarantee the planarization on work piece 4 surface, the vacuum adsorption environment that forms between vacuum suction nozzle 5 and the work piece 4 is difficult to be destroyed because of work piece 4 warp, and then can improve the stability when sucking disc formula is grabbed the material device and is snatched work piece 4.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. A suction cup type material grabbing device is used for adsorbing a workpiece (4), and is characterized by comprising:

the main bracket (1) is fixed with a sucker fixing piece (2) and a suction nozzle mounting bracket;

the sucker (3) is connected to the main support (1) through a sucker fixing piece (2) and is arranged corresponding to the middle part of the workpiece (4) to be adsorbed;

the vacuum suction nozzles (5) are fixed on the main support (1) through suction nozzle mounting supports, arranged on the outer side of the suction disc (3) and arranged corresponding to the peripheral parts of the workpieces (4) to be adsorbed.

2. A sucker-type gripping device according to claim 1, wherein the main support (1) is in a strip shape, and two suckers (3) are respectively arranged on two opposite sides of the main support (1) in the length direction; every sucking disc (3) all is connected with one sucking disc mounting (2), two sucking disc mounting (2) are close to the one end of main support (1) is fixed through same connecting piece (6) on main support (1).

3. The sucker-type gripping device according to claim 2, wherein each sucker (3) is provided with two sucker ports (31) symmetrically arranged on two sides of the sucker fixing member (2), and the two sucker ports (31) are communicated with a fan for providing suction to the sucker ports (31).

4. A suction cup type material grabbing device according to claim 3, wherein said suction cup port (31) comprises a circular port (31a) in the middle and a plurality of uniformly spaced strip-shaped ports (31b) extending outwardly from the outer periphery of said circular port (31a) and communicating with said circular port (31 a).

5. A sucker-type gripping device according to claim 3, wherein two suckers (3) are fixed on the sucker fixing member (2) through gaskets with different heights, so that the suction surfaces of the four sucker openings (31) on the two suckers (3) are on the same plane.

6. The suction cup type material grabbing device of claim 1, wherein the suction nozzle mounting bracket comprises two connecting rods (9) respectively fixed on the main bracket (1), and the mounting position of the suction cup fixing piece (2) on the main bracket (1) is between the two connecting rods (9) and the mounting position of the main bracket (1); each connecting rod (9) is provided with a plurality of vacuum suction nozzles (5) which are arranged side by side.

7. Suction cup type gripping device according to claim 6, characterized in that the vacuum nozzle (5) comprises a suction nozzle (51), a rigid tube (52) with one end communicating with the suction nozzle (51) and fixed to the connecting rod (9), and a vacuum generator (53) communicating with the other end of the rigid tube (52), the vacuum generator (53) communicating with an external compressed air source through a connecting tube (54).

8. A suction cup type material grabbing device according to claim 1, wherein a first fixed seat (10) is fixed on the main bracket (1), and a first sensor (11) for detecting the distance between the middle part of the workpiece (4) to be adsorbed and the first fixed seat (10) is fixedly connected to the first fixed seat (10).

9. A suction cup type material grabbing device according to claim 1, wherein a second fixed base (12) is connected to said suction nozzle mounting bracket, and a second sensor (13) for detecting a distance between a peripheral portion of a workpiece (4) to be sucked and said second fixed base (12) is fixedly connected to said second fixed base (12).