CN220980092U

CN220980092U - Bernoulli sucker

Info

Publication number: CN220980092U
Application number: CN202323216790.0U
Authority: CN
Inventors: 刘凡银; 李海平; 尹国洪
Original assignee: Shenzhen Jiamai Automation Co ltd
Current assignee: Shenzhen Jiamai Automation Co ltd
Priority date: 2023-11-27
Filing date: 2023-11-27
Publication date: 2024-05-17
Anticipated expiration: 2033-11-27

Abstract

The application relates to a Bernoulli sucker, which belongs to the technical field of sucker, and comprises a sucker main body and a cover plate, wherein an embedded groove is formed in the middle of the sucker main body, the cover plate is embedded in the embedded groove, an air cavity is formed between the cover plate and the side wall of the embedded groove, an air inlet ring groove is formed in the side wall of the embedded groove in an annular manner, the air inlet ring groove is communicated with the air cavity, an air inlet is formed in the sucker main body, and the air inlet is communicated with the air inlet ring groove; the sucker main body is provided with a plurality of air flow channels which are communicated with the air cavity. The air inlet ring groove and the air cavity are matched to form a larger air inlet space, the air inflow of compressed air is increased, and a plurality of air flow channels are convenient for the compressed air to be discharged rapidly, so that the bottom of the sucker main body can form high-speed jet flow rapidly, further, the bottom of the sucker main body can form sufficient negative pressure, and the adsorption effect on a workpiece is effectively improved.

Description

Bernoulli sucker

Technical Field

The application relates to the technical field of sucking discs, in particular to a Bernoulli sucking disc.

Background

The Bernoulli effect is that when the fluid speed is increased, the pressure on the interface of an object and the fluid is reduced, otherwise, the pressure is increased, the Bernoulli sucker applies the Bernoulli principle to introduce compressed air into a high-pressure air inlet pipe, then the compressed air enters a high-pressure air cavity on the sucker to form high-speed jet flow, and the air at the bottom of the sucker is taken away to form a negative pressure area, so that precise workpieces such as a battery piece, a silicon wafer and the like are adsorbed.

At present, the high-pressure air cavity of the existing Bernoulli sucker is generally formed by a gap between the sucker and the sucker core, compressed air is discharged from an exhaust port at the side edge of the sucker core, the air inflow is less due to the limitation of the structure, the generated negative pressure is lower, and therefore displacement is easy to occur between a workpiece and the sucker, and the adsorption effect on the workpiece is poor.

Disclosure of utility model

In order to improve the adsorption effect on a workpiece, the application provides a Bernoulli sucker.

The Bernoulli sucker provided by the application adopts the following technical scheme:

The Bernoulli sucker comprises a sucker main body and a cover plate, wherein a caulking groove is formed in the middle of the sucker main body, the cover plate is embedded in the caulking groove, an air cavity is formed between the cover plate and the side wall of the caulking groove, an air inlet ring groove is formed in the side wall of the caulking groove in an annular mode, the air inlet ring groove is communicated with the air cavity, an air inlet is formed in the sucker main body, and the air inlet is communicated with the air inlet ring groove; the sucker body is provided with a plurality of air flow channels, and the air flow channels are communicated with the air cavity.

Through adopting above-mentioned technical scheme, the staff pours into the air inlet with compressed air, and compressed air gets into the air pocket from the air inlet, then gets into the air cavity from the air pocket that admits air, gets into the air current passageway from the air cavity and discharges, forms bigger air inlet space through the cooperation of air pocket and air cavity, increases compressed air's air input to a plurality of air current passageways are convenient for compress air and discharge fast, make the bottom of sucking disc main part can form high-speed efflux fast, and then make sucking disc main part bottom can form sufficient negative pressure, effectively promote the adsorption efficiency to the work piece.

Optionally, the sucker main body is provided with a plurality of first cushions, and an air flow channel is formed between adjacent first cushions.

Through adopting above-mentioned technical scheme, first blotter separates work piece and sucking disc main part, causes the work piece impaired when preventing sucking disc main part and work piece conflict, and can form airflow channel through the clearance between the adjacent first blotter, the processing production of being convenient for.

Optionally, a plurality of second cushions are arranged on the cover plate, a flow channel is formed between every two adjacent second cushions, and the flow channel is communicated with the air cavity.

Through adopting above-mentioned technical scheme, the second blotter separates apron and work piece, and the prevention apron is scraped the damage with the work piece, and the runner that forms between the adjacent second blotter simultaneously also can supply compressed air to form high-speed jet in apron department, promotes the adsorption effect of apron department to the work piece.

Optionally, be provided with the detecting tube on the sucking disc main part, the detection hole has been seted up with the detecting tube intercommunication on the apron, detection hole and runner intercommunication.

Through adopting above-mentioned technical scheme, the staff communicates negative pressure check out test set to the detecting tube, can inspect the negative pressure of runner department, promotes the staff and detects the convenience of the negative pressure of runner department.

Optionally, an air inlet pipe is arranged on the sucker main body, and the air inlet pipe is communicated with the air inlet.

Through adopting above-mentioned technical scheme, the staff communicates compressed air supply equipment to the intake pipe, can supply compressed air to the inlet through the intake pipe, promotes the convenience of staff to the air inlet in supply compressed air.

Optionally, a plurality of pressure release holes have been seted up on the sucking disc main part, the breach has been seted up on the first blotter, breach and pressure release hole intercommunication.

Through adopting above-mentioned technical scheme, after compressed air stops the feeding, air gets into the pressure release hole, discharges from the breach again, can make the work piece break away from the bottom of sucking disc main part, reduces the time that sucking disc main part continues the absorption to work after compressed air stops the air feed, increases the work piece and breaks away from the efficiency of sucking disc main part.

Optionally, a connection bracket for connecting with the driving device is arranged on the sucker main body, and a plurality of connection holes are formed in the connection bracket.

Through adopting above-mentioned technical scheme, through a plurality of connecting holes of seting up in advance on the linking bridge, the staff of being convenient for passes through bolted connection to on the linking bridge with driving device, and then convenient realization sucking disc main part is connected with driving device.

Optionally, a plurality of screws are worn to be equipped with in the slip on the linking bridge, and a plurality of equal threaded connection of screw is in the sucking disc main part, be provided with a plurality of nuts on the screw, a plurality of the nut butt respectively is in the both sides of linking bridge.

Through adopting above-mentioned technical scheme, the staff passes the linking bridge with the screw rod to make screw rod threaded connection to in the sucking disc main part, then twist a plurality of nuts on the screw rod, make a plurality of nuts support respectively and tightly to the both sides of linking bridge, can accomplish linking bridge's quick installation, and the staff passes the length of linking bridge through adjusting nut's position on the screw rod, can adjust the screw rod, and then adjusts the installation distance between linking bridge and the sucking disc main part.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The air inlet ring groove is matched with the air cavity to form a larger air inlet space, the air inflow of compressed air is increased, and the compressed air is conveniently and rapidly discharged through the plurality of air flow channels, so that the bottom of the sucker main body can rapidly form high-speed jet flow, further, the bottom of the sucker main body can form sufficient negative pressure, and the adsorption effect on a workpiece is effectively improved;

2. The second buffer pads separate the cover plate from the workpiece, the workpiece is prevented from being scratched by the cover plate, meanwhile, a flow channel formed between the adjacent second buffer pads can also be used for compressed air to form high-speed jet flow at the cover plate, and the adsorption effect of the cover plate on the workpiece is improved;

3. the length of the screw rod penetrating through the connecting support can be adjusted through the position of the adjusting nut on the screw rod, and then the installation distance between the connecting support and the sucker main body is adjusted.

Drawings

FIG. 1 is a schematic diagram of the structure of a Bernoulli chuck in accordance with an embodiment of the application.

Fig. 2 is a schematic diagram of another view of an embodiment of the present application.

Fig. 3 is an exploded view of the chuck body and the cover plate according to an embodiment of the application.

Reference numerals: 1. a suction cup main body; 11. a caulking groove; 12. an air cavity; 13. an air inlet ring groove; 14. an air inlet; 15. a pressure relief hole; 2. a cover plate; 21. a detection hole; 3. an air flow channel; 4. a first cushion pad; 41. a notch; 5. a second cushion pad; 51. a flow passage; 6. a detection tube; 7. an air inlet pipe; 8. a connecting bracket; 81. a connection hole; 9. a screw; 10. and (3) a nut.

Detailed Description

The application is described in further detail below with reference to fig. 1-3.

The embodiment of the application discloses a Bernoulli sucker.

Referring to fig. 1 and 2, the bernoulli chuck includes a chuck body 1, a cover plate 2, an air inlet pipe 7, and a connection bracket 8.

Referring to fig. 2 and 3, a caulking groove 11 is formed in the middle of the sucker main body 1, the cover plate 2 is embedded in the caulking groove 11, in this embodiment, the cover plate 2 comprises a top cover and a bottom cover, the top cover is mounted on the sucker main body 1 through bolts, the bottom cover is embedded in the caulking groove 11, the bolt threads on the top cover penetrate into the bottom cover, and the cover plate 2 is mounted on two sides of the sucker main body 1 in a split manner through the top cover and the bottom cover, so that convenience of workers in mounting and dismounting the cover plate 2 is improved; the caulking groove 11 is formed in a circular shape, the cover plate 2 is in a disc shape, and the diameter of the cover plate 2 is smaller than the inner diameter of the caulking groove 11, so that an annular air cavity 12 is formed between the side wall of the caulking groove 11 and the cover plate 2; an air inlet ring groove 13 is circumferentially formed in the side wall of the caulking groove 11, and an opening of the air inlet ring groove 13 is communicated with the air cavity 12; the sucker main body 1 is provided with an air inlet 14, the air inlet 14 is communicated with the air inlet ring groove 13, the sucker main body 1 is provided with an air inlet pipe 7, the air inlet pipe 7 is communicated with the air inlet 14, the air inlet pipe 7 is used for being connected with compressed air supply equipment, in the embodiment, the air inlet pipe 7 is a high-pressure pipe, the opening size of one end of the air inlet pipe 7, which is communicated with the air inlet 14, is smaller than the opening size of one end of the air inlet pipe 7, which is connected with the compressed air supply equipment, so that a worker can conveniently supply compressed air into the air inlet 14, and the pressure of the compressed air when entering the air inlet 14 is further improved; the sucker main body 1 is provided with a plurality of first cushion pads 4, the first cushion pads 4 can be made of sponge, rubber and other materials, and in the embodiment, the first cushion pads 4 are made of sponge materials and have the characteristics of good elasticity, sound insulation and the like; the adjacent first cushion pads 4 are arranged at intervals, air flow channels 3 are formed between the adjacent first cushion pads 4, and each air flow channel 3 is communicated with the air cavity 12.

The staff communicates the gas pipe of the compressed air supply equipment to the gas inlet pipe 7, then supplies compressed air into the gas inlet pipe 7 through the compressed air supply equipment, the compressed air enters the gas inlet 14 after being pressurized from the gas inlet pipe 7, then enters the gas inlet ring groove 13 from the gas inlet 14 to form high-speed jet flow, then enters the gas cavity 12 from the gas inlet ring groove 13, then enters the plurality of gas flow channels 3 from the gas cavity 12, and finally is discharged from the gas flow channels 3, so that the bottom of the sucker main body 1 forms negative pressure to adsorb a workpiece, the bottom of the sucker main body 1 can have a larger gas inlet space through the communication between the gas inlet ring groove 13 and the gas cavity 12, the air inflow of the compressed air is increased, and meanwhile, the compressed air can be rapidly discharged from the bottom of the sucker main body 1 by matching with the plurality of gas flow channels 3, so that the bottom of the sucker main body 1 can rapidly form high-speed jet flow, and further the bottom of the sucker main body 1 can form sufficient negative pressure to stably adsorb the workpiece, and the adsorption effect on the workpiece is effectively improved; meanwhile, the first buffer pads 4 can separate the workpiece from the sucker main body 1, buffer is provided for the workpiece when the workpiece is adsorbed, the workpiece is prevented from being damaged by being abutted to the sucker main body 1, and meanwhile, the air flow channel 3 can be formed between the adjacent first buffer pads 4, so that the production and manufacturing process of grooving at the bottom of the sucker is omitted, and the production and the manufacturing are facilitated.

Referring to fig. 1, a connection bracket 8 is mounted on a chuck body 1, and a plurality of connection holes 81 are formed in the connection bracket 8, and the plurality of connection holes 81 are used for connecting with driving equipment; a plurality of screw rods 9 are arranged on the connecting support 8 in a sliding penetrating mode, the screw rods 9 are connected to the sucker main body 1 in a threaded mode, at least two nuts 10 are arranged on the screw rods 9 in a threaded mode, and the two nuts 10 are respectively abutted to two sides of the connecting support 8.

The staff will pass linking bridge 8 to make the screw rod 9 screw thread wear to establish to sucking disc main part 1, then twist two nuts 10 on the screw rod 9, make two nuts 10 on the screw rod 9 respectively the butt in sucking disc main part 1's both sides, can install linking bridge 8 to sucking disc main part 1, then drive the driving device that sucking disc main part 1 moved with manipulator etc. on through bolted connection to the connecting hole 81 on the linking bridge 8, can accomplish the connection of sucking disc main part 1 and driving device, the staff of being convenient for passes through bolted connection with driving device on linking bridge 8, and then convenient realization sucking disc main part 1 is connected with driving device, and the staff twists nut 10 on the screw rod 9, can adjust the length that screw rod 9 passed linking bridge 8, and then adjust the distance between linking bridge 8 and the sucking disc main part 1, realize the distance adjustment between sucking disc main part 1 and the driving device, promote the suitability to the different distance requirements between sucking disc main part 1 and the driving device.

Referring to fig. 2 and 3, a plurality of second cushion pads 5 are installed at one end of the cover plate 2 far from the sucker main body 1, in this embodiment, two second cushion pads 5 are installed at one end of the cover plate 2 far from the sucker, the two second cushion pads 5 are made of sponge materials, and the two second cushion pads 5 are in a semicircular sector shape with a hollow inside; the two second cushions 5 are installed at intervals on the cover plate 2, so that a flow channel 51 is formed between the two second cushions 5, two ends of the flow channel 51 are communicated with the air cavity 12, and in the embodiment, air holes are formed at one ends, close to each other, of the two second cushions 5, and the two air holes are communicated with the flow channel 51.

The second buffer pad 5 separates the workpiece from the cover plate 2, prevents the workpiece from being damaged by being abutted against the cover plate 2, and simultaneously, when compressed air circulates at a high speed in the air cavity 12, the compressed air can enter the flow channel 51 to circulate at a high speed and circulate into the second buffer pad 5 from the air holes, so that the compressed air can form high-speed jet flow at the bottom of the cover plate 2, the air at the bottom of the cover plate 2 is taken away, negative pressure is formed at the bottom of the cover plate 2, the workpiece is adsorbed, and the stability of the workpiece when being adsorbed is improved.

Referring to fig. 2 and 3, the sucker body 1 is provided with a plurality of pressure relief holes 15, and in this embodiment, the interior of the first cushion pad 4 is hollow, so that the pressure relief holes 15 can communicate with the interior of the first cushion pad 4; the first cushion 4 is provided with a notch 41, and the notch 41 is communicated with the inside of the first cushion 4 and then is communicated with the pressure relief hole 15.

After the compressed air stops supplying air to the air inlet pipe 7, the air can enter the pressure relief hole 15 and is discharged from the notch 41, the negative pressure environment at the bottom of the sucker is rapidly relieved, the workpiece is separated from the bottom of the sucker body 1, the time for the sucker body 1 to continuously adsorb work after the compressed air stops supplying air is reduced, and the efficiency of separating the workpiece from the sucker body 1 is improved.

Referring to fig. 1 and 2, a detection tube 6 is mounted on the chuck main body 1, a detection hole 21 is formed in the cover plate 2, the detection hole 21 is communicated with the detection tube 6, and the detection hole 21 is communicated with the flow passage 51; the staff is installed negative pressure check out test set such as negative pressure sensor intercommunication to detecting tube 6 on, and detecting tube 6 communicates in runner 51 through detection hole 21 again, can make negative pressure check out test set detect the negative pressure of runner 51 department, effectively promotes the staff and detects the convenience of negative pressure.

The embodiment of the application provides a Bernoulli sucker, which is implemented by the following principle: the staff installs the connecting bracket 8 on the driving equipment, compressed air is injected into the air inlet ring groove 13 from the air inlet 14, compressed air forms high-speed jet flow, then enters the air cavity 12 from the air inlet ring groove 13, enters the plurality of air flow channels 3 and the flow channels 51 from the air cavity 12, finally is discharged, the air inflow of the compressed air is increased through the communication between the air inlet ring groove 13 and the air cavity 12, the plurality of air flow channels 3 and the flow channels 51 enable the bottom of the sucker main body 1 to quickly form high-speed jet flow, and further enable the bottom of the sucker main body 1 to form sufficient negative pressure, the workpiece is stably adsorbed, and the adsorption effect on the workpiece is improved; then, after the driving device moves the workpiece to the position where the workpiece is placed, the compressed air is stopped from being supplied, the external air can enter the pressure relief hole 15 and is discharged from the notch 41, and the negative pressure at the bottom of the sucker main body 1 is rapidly released, so that the workpiece is rapidly separated from the sucker main body 1.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. A bernoulli chuck, characterized by: the novel sucker comprises a sucker main body (1) and a cover plate (2), wherein a caulking groove (11) is formed in the middle of the sucker main body (1), the cover plate (2) is embedded in the caulking groove (11), an air cavity (12) is formed between the cover plate (2) and the side wall of the caulking groove (11), an air inlet ring groove (13) is formed in the side wall of the caulking groove (11) in an annular mode, the air inlet ring groove (13) is communicated with the air cavity (12), an air inlet (14) is formed in the sucker main body (1), and the air inlet (14) is communicated with the air inlet ring groove (13); the sucker is characterized in that a plurality of air flow channels (3) are arranged on the sucker main body (1), and the air flow channels (3) are communicated with the air cavity (12).

2. The bernoulli wand of claim 1, wherein: a plurality of first buffer pads (4) are arranged on the sucker main body (1), and an air flow channel (3) is formed between every two adjacent first buffer pads (4).

3. The bernoulli wand of claim 1, wherein: a plurality of second buffer pads (5) are arranged on the cover plate (2), flow channels (51) are formed between the adjacent second buffer pads (5), and the flow channels (51) are communicated with the air cavity (12).

4. The bernoulli wand of claim 3, wherein: the sucker is characterized in that a detection tube (6) is arranged on the sucker main body (1), a detection hole (21) is formed in the cover plate (2) in a communicating mode with the detection tube (6), and the detection hole (21) is communicated with the flow channel (51).

5. The bernoulli wand of claim 1, wherein: the sucker is characterized in that an air inlet pipe (7) is arranged on the sucker main body (1), and the air inlet pipe (7) is communicated with an air inlet (14).

6. The bernoulli wand of claim 2, wherein: a plurality of pressure relief holes (15) are formed in the sucker main body (1), a notch (41) is formed in the first buffer cushion (4), and the notch (41) is communicated with the pressure relief holes (15).

7. The bernoulli wand of claim 1, wherein: the sucker is characterized in that a connecting support (8) used for being connected with driving equipment is arranged on the sucker main body (1), and a plurality of connecting holes (81) are formed in the connecting support (8).

8. The bernoulli wand of claim 7, wherein: the connecting support (8) is provided with a plurality of screws (9) in a sliding mode, the screws (9) are connected to the sucker main body (1) in a threaded mode, the screws (9) are provided with a plurality of nuts (10), and the nuts (10) are respectively abutted to two sides of the connecting support (8).