CN220316553U

CN220316553U - Bernoulli sucker structure

Info

Publication number: CN220316553U
Application number: CN202322024820.1U
Authority: CN
Inventors: 李建; 周亮
Original assignee: Dongguan Baika Pneumatic Components Technology Co ltd
Current assignee: Dongguan Baika Pneumatic Components Technology Co ltd
Priority date: 2023-07-28
Filing date: 2023-07-28
Publication date: 2024-01-09
Anticipated expiration: 2033-07-28

Abstract

The utility model discloses a Bernoulli sucker structure, which comprises a mounting top plate, a connecting rod, a sucker main body, an air outlet bottom plate, a first gasket and a second gasket, wherein the mounting top plate is connected with the sucker main body through the connecting rod, an air inlet is formed in the top of the sucker main body, a vacuum chamber is arranged in the sucker main body, the air inlet is communicated with the vacuum chamber, a mounting groove is formed in the bottom of the sucker main body, the air outlet bottom plate is arranged in the mounting groove and forms an air flow groove communicated with the outside with the groove wall of the mounting groove, a plurality of air outlet gaps respectively communicated with the vacuum chamber and the air flow groove are uniformly formed on the peripheral side of the air outlet bottom plate, the first gasket is arranged at the bottom of the air outlet bottom plate, the second gasket is arranged on the same plane as the first gasket on the peripheral side of the bottom of the sucker main body, and a plurality of narrow channels which are in one-to-one correspondence with the air outlet gaps and are respectively communicated with the air flow groove and the outside are uniformly arranged on the second gasket. The utility model has simple structure, low cost, good adsorption effect, high reliability and small air consumption.

Description

Bernoulli sucker structure

Technical Field

The utility model relates to the technical field of suckers, in particular to a Bernoulli sucker structure.

Background

The Bernoulli sucker is suitable for absorbing and transferring sheet structure products, an air inlet is arranged on a sucker main body and connected with high-pressure air, air is blown to the lower surface of the sucker main body, so that strong air flow is generated on the lower surface of the sucker main body, when the sucker is close to a sheet structure product, the air flow rate of the upper surface of the product is larger than that of the lower part of the sucker, the principle that the higher the fluid speed is, the smaller the pressure is utilized, the pressure difference can be generated on the upper side and the lower side of the product, so that upward lifting force can be formed at the bottom of the product, the product is absorbed at the bottom of the sucker main body, and meanwhile, the vacuum breaking air port is used for blowing air to the upper surface of the product when the product is moved to a designated position, so that the pressure difference is destroyed, and the sucker releases the product.

Most Bernoulli suction cups are relatively small in friction force when absorbing products with large areas because the absorption areas of the suction cups are small, and in the carrying process, the products are easy to displace and slide with the suction cups, and although the rectangular suction cup structure with a plurality of Bernoulli absorption areas is formed by arranging a plurality of air flow channels, the structure is complex because a plurality of air flow grooves are arranged on the suction cup main body, and the suction cup is correspondingly required to have high air consumption in the actual use process to achieve better absorption effect.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the Bernoulli sucker structure which is simple in structure, good in adsorption effect and small in air consumption.

The technical scheme of the utility model is as follows:

the utility model provides a Bernoulli sucking disc structure, includes installation roof, connecting rod, sucking disc main part, the bottom plate of giving vent to anger, first gasket and second gasket, the installation roof passes through the connecting rod and is connected with the sucking disc main part, the top of sucking disc main part is equipped with the air inlet, be equipped with vacuum chamber in the sucking disc main part, air inlet and vacuum chamber intercommunication, the bottom of sucking disc main part is equipped with mounting groove, the bottom plate of giving vent to anger sets up in mounting groove to form the outside gas flow groove of intercommunication between the cell wall with mounting groove, the week side of bottom plate of giving vent to anger evenly is equipped with the gap of giving vent to anger of a plurality of intercommunication vacuum chamber and gas flow groove respectively, first gasket sets up in the bottom of giving vent to anger the bottom of bottom plate, the second gasket sets up in the bottom periphery of sucking disc main part and first gasket is located the coplanar, evenly be equipped with a plurality of and give vent to anger gap one-to-one and communicate the narrow passageway of gas flow groove and outside respectively on the second gasket.

Further, the groove wall of the gas flow groove is designed obliquely downward toward the narrow passage.

Further, a first detection port/vacuum breaking port is further formed in the sucker main body, the first detection port/vacuum breaking port is communicated with the vacuum chamber, and a second detection port/vacuum breaking port corresponding to the first detection port/vacuum breaking port is formed in the air outlet bottom plate and the first gasket.

Further, the mounting top plate is connected with the sucker main body through a plurality of connecting rods which are uniformly distributed.

Further, the connecting rod is an adjustable rod.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the vacuum chamber is arranged in the sucker main body, the mounting groove is arranged at the bottom of the sucker main body, the air outlet bottom plate is arranged in the mounting groove, an air flow groove communicated with the outside is formed between the air outlet bottom plate and the groove wall of the mounting groove, a plurality of air outlet gaps respectively communicated with the vacuum chamber and the air flow groove are uniformly arranged at the periphery side of the air outlet bottom plate, the bottom of the air outlet bottom plate is provided with the first gasket, the periphery side of the bottom of the sucker main body is provided with the second gasket which is positioned on the same plane with the first gasket, a plurality of narrow channels which are in one-to-one correspondence with the air outlet gaps and are respectively communicated with the air flow groove and the outside are uniformly arranged on the second gasket, and when a positive pressure air source is input from the air inlet at the top of the sucker main body, the air flow sequentially passes through the vacuum chamber, the air outlet gaps, the air flow grooves and the narrow channels to form a plurality of Bernoulli adsorption areas from all directions, and the adsorption capacity of the sucker can be enhanced due to the small cross section area of the narrow channels without great air consumption. The utility model has simple structure and low design cost, can be used for carrying sensitive plastic parts, printed circuit boards, textiles, composite textile materials, fragile products and the like, has good adsorption effect, high reliability and low air consumption, is light and soft for sucking or putting down the products, and can not damage the products.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a bottom view of the present utility model;

FIG. 3 is a schematic diagram of the vacuum adsorption of the present utility model;

FIG. 4 is a schematic diagram of a second vacuum adsorption system according to the present utility model;

FIG. 5 is a schematic diagram of the present utility model for breaking vacuum;

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In order to illustrate the technical scheme of the utility model, the following description is made by specific examples.

Examples

Referring to fig. 1 and 2, the present embodiment provides a bernoulli chuck structure, which includes a mounting top plate 1, a connecting rod 2, a chuck body 3, an air outlet bottom plate 4, a first spacer 5 and a second spacer 6. The installation roof 1 is connected with sucking disc main part 3 through a plurality of evenly distributed's connecting rod 2, and wherein, connecting rod 2 is adjustable pole, can adjust required length as required, reaches required height. The top of sucking disc main part 3 is equipped with air inlet 31 and first detection mouth/broken vacuum mouth 32, is equipped with vacuum cavity 33 in the sucking disc main part 3, and air inlet 31, first detection mouth/broken vacuum mouth 32 communicate with vacuum cavity 33 respectively, and the bottom of sucking disc main part 3 is equipped with the mounting groove, and the bottom plate 4 of giving vent to anger sets up in the mounting groove to form the outside gas flow groove 7 of intercommunication with between the cell wall of mounting groove, the cell wall of gas flow groove 7 is downward design towards narrow passageway 61 slope, and the week side of bottom plate 4 of giving vent to anger evenly is equipped with the gap 41 of giving vent to anger of a plurality of intercommunication vacuum cavity 33 and gas flow groove 7 respectively. The first gasket 5 sets up in the bottom of bottom plate 4 of giving vent to anger, and the second gasket 6 sets up on sucking disc main part 3 bottom week side and first gasket 5 are located the coplanar, evenly is equipped with a plurality of narrow passageway 61 with the gap 41 one-to-one of giving vent to anger and communicate gas flow groove 7 and outside respectively on the second gasket 6. The air outlet bottom plate 4 and the first gasket 5 are provided with a second detection port/vacuum breaking port 8 corresponding to the first detection port/vacuum breaking port 32, and the first detection port/vacuum breaking port 32 can be provided with a digital display meter to detect the internal vacuum degree and can be connected with a positive pressure air source for breaking vacuum.

Working principle: as shown in fig. 3 and 4, a positive pressure air source is connected to the air inlet 31, and the air flow passes through the vacuum chamber 33, the air outlet slit 41, the air flow groove 7 and the narrow channel 61 in sequence by using the bernoulli principle, namely the flow rate is increased and the pressure is reduced, so that a plurality of bernoulli adsorption areas are formed, the effect of the suction cup is realized, and the adsorption capacity of the suction cup can be enhanced without large air consumption due to the small sectional area of the narrow channel 61. As shown in fig. 5, when the vacuum is required to be broken, the positive pressure air source is connected to the first detection port/vacuum breaking port 32, so that the action effect of rapid suction and discharge can be realized.

The Bernoulli sucker is simple in structure and low in design cost, can be used for carrying sensitive plastic parts, printed circuit boards, textiles, composite textile materials, fragile products and the like, and is good in adsorption effect, high in reliability, small in air consumption, and soft in sucking or putting down articles, and damage to the articles is avoided.

The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A bernoulli chuck structure, characterized in that: including installation roof, connecting rod, sucking disc main part, bottom plate of giving vent to anger, first gasket and second gasket, the installation roof passes through the connecting rod and is connected with the sucking disc main part, the top of sucking disc main part is equipped with the air inlet, be equipped with vacuum chamber in the sucking disc main part, air inlet and vacuum chamber intercommunication, the bottom of sucking disc main part is equipped with mounting groove, the bottom plate of giving vent to anger sets up in mounting groove to form the outside gas flow groove of intercommunication between the cell wall with mounting groove, the week side of bottom plate of giving vent to anger evenly is equipped with the gap of giving vent to anger of a plurality of intercommunication vacuum chamber and gas flow groove respectively, first gasket sets up in the bottom of giving vent to anger the bottom of bottom plate, the second gasket sets up in the bottom week side of sucking disc main part and first gasket and is located the coplanar, evenly be equipped with a plurality of and the narrow passageway of gap one-to-one and intercommunication gas flow groove and outside respectively on the second gasket.

2. The bernoulli chuck structure of claim 1, wherein: the walls of the gas flow channels are designed obliquely downwards towards the narrow channels.

3. The bernoulli chuck structure of claim 1, wherein: the sucking disc main part is last still to be equipped with first detection mouth/broken vacuum mouth, first detection mouth/broken vacuum mouth and vacuum cavity intercommunication, be equipped with the second detection mouth/broken vacuum mouth that corresponds with first detection mouth/broken vacuum mouth on bottom plate, the first gasket of giving vent to anger.

4. The bernoulli chuck structure of claim 1, wherein: the installation roof is connected with the sucker main body through a plurality of evenly distributed connecting rods.

5. The bernoulli wand assembly of claim 1 or 4, wherein: the connecting rod is an adjustable rod.