CN210236835U

CN210236835U - Bernoulli sucker for fixing air path

Info

Publication number: CN210236835U
Application number: CN201921053711.XU
Authority: CN
Inventors: Junyi Hua; 华俊义
Original assignee: Kunshan Mindray Kay Precision Industry Co ltd
Current assignee: Kunshan Mindray Kay Precision Industry Co ltd
Priority date: 2018-08-09
Filing date: 2019-07-08
Publication date: 2020-04-03
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a Bernoulli sucking disc of fixed gas circuit, including the sucking disc main part, be equipped with the mounting hole in the sucking disc main part, there is the sucking disc core through fixing bolt fixed mounting in the mounting hole, the bottom of sucking disc main part is equipped with the arcwall face round the sucking disc core, be equipped with inlet channel in the sucking disc core, the central position of sucking disc core bottom is equipped with the air lock, inlet channel passes through the air lock and forms circular air outlet channel, the lateral wall of sucking disc core is equipped with a plurality of ventholes along the even symmetry of circumferencial direction. The utility model discloses a be equipped with circular air outlet channel in the admission line to communicate evenly distributed's venthole, these ventholes are fixed appointed gas circuit, and more even when making compressed air give vent to anger like this, the bernoulli suction surface of formation is more level and more smooth, because suction is even, it is better to hang down straightness when adsorbing the object, simultaneously, because the diameter of venthole designs into 1 mm, piles up the dust including being difficult, has avoided the influence of dust to the adsorption effect.

Description

Bernoulli sucker for fixing air path

Technical Field

The utility model relates to a sucking disc field, concretely relates to bernoulli sucking disc of fixed gas circuit.

Background

The Bernoulli sucker has the working principle that high-pressure air enters the sucker core and is ejected out through the outlet of the special structure of the sucker core to form a cyclone, the gas flow velocity of the upper surface of a workpiece is higher than that of the lower surface of the workpiece, and pressure difference can be generated on the upper side and the lower side of the workpiece by utilizing the principle that the higher the flow velocity is, the smaller the pressure intensity is, so that upward lifting force can be formed at the bottom of the workpiece. The cyclone is formed by high-pressure air sprayed from the center of the sucker, so that a suspension distance of an air surface is formed between an object and the bottom surface of the sucker, and the non-contact effect and the sucking of the object are achieved. The existing air outlet mode of the Bernoulli chuck is that two parts are screwed, a fine interval is left in the middle, and air is ejected from the interval to form suction force, so that the following problems exist:

1. because the two parts are fixed by the screw threads, the interval of one circle is within the tolerance, and the tolerance directly causes the suction force of the sucker to be larger and smaller;

2. because the air outlet interval is only 0.2 mm-0.5 mm, ash is blocked in the process of adsorbing products such as silicon wafers, and the suction force is directly influenced;

SUMMERY OF THE UTILITY MODEL

In view of the above prior art's shortcoming, the utility model aims to provide a bernoulli's sucking disc of fixed gas circuit for solve among the prior art suction inhomogeneous, the problem of stopping up easily is given vent to anger the interval too little.

For realize above-mentioned purpose and other relevant mesh, the utility model provides a bernoulli sucking disc of fixed gas circuit, including the sucking disc main part, be equipped with the mounting hole in the sucking disc main part, there is sucking disc core through fixing bolt fixed mounting in the mounting hole, the bottom of sucking disc main part is equipped with the arcwall face round sucking disc core, be equipped with inlet channel in the sucking disc core, the central point of sucking disc core bottom puts and is equipped with the air lock, inlet channel passes through the air lock and forms circular outlet channel, the lateral wall of sucking disc core is equipped with a plurality of ventholes along the even symmetry of circumferencial direction, the one end and the circular outlet channel intercommunication of venthole, the other end accesss to the arcwall face.

Preferably, the upper end of the sucker main body is in threaded connection with a joint, an air inlet hole is formed in the joint and communicated with the air inlet channel

Preferably, the lower extreme of sucking disc main part is divided into outer dish and inner disc, the outward flange cover of inner disc is equipped with the outer dish, the inner disc is located same water flat line with the outer dish, the outer dish is connected through evenly distributed's connecting rod with the inner disc.

Preferably, the bottom surfaces of the outer disc and the inner disc are provided with arc-shaped buffer pads which are uniformly distributed

Preferably, the number of the air outlet holes can be 6, 10 or 12.

Preferably, the diameter of the air outlet hole is 0.1 cm.

Preferably, the upper end of the sucker main body is uniformly provided with locking screw holes.

Compared with the prior art, the beneficial effects of the utility model are that: through being equipped with circular air outlet channel in the inlet duct, and communicating evenly distributed's venthole, these ventholes are fixed appointed gas circuit, more even when making compressed air give vent to anger like this, and the bernoulli suction surface that forms is more level and more smooth, because suction is even, straightness that hangs down is better when adsorbing the object, simultaneously, because the diameter of venthole designs into 0.1 cm, is difficult for piling up the dust including, has avoided the influence of dust to the adsorption effect.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of a bernoulli chuck for fixing a gas circuit provided by the present invention;

FIG. 2 is a bottom cross-sectional view of a Bernoulli chuck with a fixed gas circuit provided by the present invention;

FIG. 3 is a bottom perspective view of a Bernoulli chuck for holding a gas circuit in accordance with the present invention;

fig. 4 is a top view of the bernoulli chuck for fixing the gas circuit provided by the present invention.

Wherein the reference numerals are specified as follows: the suction cup comprises a suction cup main body 1, an outer plate 101, an inner plate 102, a fixing bolt 2, a suction cup core 3, an arc-shaped surface 4, an air inlet channel 5, an air plug 6, a circular air outlet channel 7, an air outlet hole 8, a joint 9, a connecting rod 10, an arc-shaped cushion pad 11 and a locking screw hole 12.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure herein.

Please refer to fig. 1-4. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Referring to fig. 1-2, the utility model provides a bernoulli sucking disc of fixed gas circuit, including sucking disc main part 1, be equipped with the mounting hole in the sucking disc main part 1, there is sucking disc core 3 through 2 fixed mounting of fixing bolt in the mounting hole, the bottom of sucking disc main part 1 is equipped with arcwall face 4 round sucking disc core 3, be equipped with inlet channel 5 in the sucking disc core 3, the central point of sucking disc core 3 bottom puts and is equipped with air plug 6, inlet channel 5 forms circular outlet channel 7 through air plug 6, the lateral wall of sucking disc core 3 is equipped with a plurality of ventholes 8 along the even symmetry of circumferencial direction, the quantity of venthole 8 can be 6, 10 or 12, the one end and the circular outlet channel 7 intercommunication of venthole 8, the other end accesss to arcwall face 4.

The upper end threaded connection of sucking disc main part 1 has the joint 9, convenient to detach, is equipped with the inlet port in the joint 9, and the inlet port communicates inlet channel 5.

Through the technical scheme, after the compressed air is introduced into the air inlet channel 5 through the joint 9, the compressed air can be uniformly ejected from the air outlet holes 8 and the circular air outlet channel 7 through air flow and is in contact with the arc-shaped surface 4 to form a cyclone, so that a stable pressure difference is formed on a workpiece.

Referring to fig. 3, the lower end of the suction cup body 1 is divided into an outer plate 101 and an inner plate 102, the outer edge of the inner plate 102 is sleeved with the outer plate 101, the inner plate 102 and the outer plate 101 are located on the same horizontal line, and the outer plate 101 and the inner plate 102 are connected through uniformly distributed connecting rods 10.

The bottom surfaces of the outer disc 101 and the inner disc 102 are provided with arc-shaped buffer pads 11 which are uniformly distributed.

Through above technical scheme, can increase the adsorption area of work piece through outer dish 101, improve the stability in the transportation, arc blotter 11 has good heat resistance and wearability simultaneously, and the difficult condition that takes place to rotate, displacement of work piece for adsorption effect is better

The diameter of the air outlet 8 is 0.1 cm, and dust is not easy to accumulate.

The upper end of the sucker main body 1 is uniformly provided with locking screw holes 12.

The specific implementation process comprises the following steps: the joint 9 is screwed into the air inlet channel 5, when the sucker main body 1 moves to the upper part of a workpiece, compressed air is led into the air inlet channel 5 through an air inlet in the joint 1 and is rapidly ejected through the circular air outlet channel 7 and the air outlet 8, ejected air flow is rapidly diffused in contact with the arc-shaped surface 4, the air flow speed of the upper surface of the workpiece is greater than that of the lower surface of the workpiece, so that pressure difference can be generated on two sides of the workpiece, lifting force can be generated below the workpiece, adsorption action is completed, when the workpiece moves to a specified position, the leading-in of the compressed air is stopped, the workpiece can fall from the lower part of the sucker main body 1, and transportation action is completed.

To sum up, the utility model discloses a be equipped with circular air outlet channel in the inlet duct to communicate evenly distributed's venthole, these ventholes are fixed appointed gas circuit, and it is more even when making compressed air give vent to anger like this, and the bernoulli suction surface of formation is more level and more smooth, because suction is even, straightness that hangs down is better when adsorbing the object, simultaneously, because the diameter of venthole designs into 0.1 cm, is difficult including piling up the dust, has avoided the influence of dust to the adsorption effect. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value. The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a bernoulli's sucking disc of fixed gas circuit, a serial communication port, including sucking disc main part (1), be equipped with the mounting hole in sucking disc main part (1), there is sucking disc core (3) through fixing bolt (2) fixed mounting in the mounting hole, the bottom of sucking disc main part (1) is equipped with arcwall face (4) round sucking disc core (3), be equipped with inlet channel (5) in sucking disc core (3), the central point of sucking disc core (3) bottom puts and is equipped with air plug (6), inlet channel (5) form circular outlet channel (7) through air plug (6), the lateral wall of sucking disc core (3) is equipped with a plurality of ventholes (8) along the even symmetry of circumferencial direction, the one end and the circular outlet channel (7) intercommunication of venthole (8), the other end accesss to arcwall face (4).

2. The bernoulli chuck for fixing an air passage according to claim 1, wherein: the upper end of the sucker main body (1) is in threaded connection with a connector (9), an air inlet is formed in the connector (9), and the air inlet is communicated with the air inlet channel (5).

3. The bernoulli chuck for fixing an air passage according to claim 2, wherein: the lower extreme of sucking disc main part (1) is divided into outer dish (101) and inner disc (102), the outward flange cover of inner disc (102) is equipped with outer dish (101), inner disc (102) are located same water flat line with outer dish (101), outer dish (101) are connected through evenly distributed's connecting rod (10) with inner disc (102).

4. A gas circuit-securing bernoulli chuck according to claim 3, wherein: the bottom surfaces of the outer disc (101) and the inner disc (102) are provided with arc-shaped buffer pads (11) which are uniformly distributed.

5. The bernoulli chuck for fixing an air passage according to claim 1, wherein: the number of the air outlet holes (8) can be 6, 10 or 12.

6. The bernoulli chuck for fixing an air passage according to claim 1, wherein: the diameter of the air outlet hole (8) is 1 mm.

7. The bernoulli chuck for fixing an air passage according to claim 1, wherein: the upper end of the sucker main body (1) is uniformly provided with locking screw holes (12).