CN213660369U

CN213660369U - Circular Bernoulli sucking disc

Info

Publication number: CN213660369U
Application number: CN202023031492.0U
Authority: CN
Inventors: 刘忠进
Original assignee: Suzhou Wochi Intelligent Technology Co ltd
Current assignee: Suzhou Wochi Intelligent Technology Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-07-09
Anticipated expiration: 2030-12-16

Abstract

The utility model relates to a haulage equipment technical field discloses a circular Bernoulli sucking disc, include: the back surface of the sucker core is provided with a gas port, the front surface of the sucker core is provided with a diversion trench, the gas port is communicated with the diversion trench through a gas path, the sucker core is also provided with a diversion hole, one end of the diversion hole is communicated with the diversion trench, and the other end of the diversion hole is communicated with the outer peripheral surface of the sucker core; the sucking disc body of disc is equipped with installation cavity and central gasket on the sucking disc body, and central gasket is located the positive center of sucking disc body, and the circumference evenly distributed of central gasket is followed to a plurality of installation cavities, and a plurality of sucking disc core one-to-ones are installed in a plurality of installation cavities, form the air current guide way between the outer peripheral face of sucking disc core and the internal face of installation cavity, and the compressed gas that lets in from the gas port can be followed splitter box and air current guide way and flowed out. The air flow in the round Bernoulli chuck is distributed evenly, and the round Bernoulli chuck has the advantages of even distribution of adsorption force, strong adsorption force and low noise.

Description

Circular Bernoulli sucking disc

Technical Field

The utility model relates to a haulage equipment technical field especially relates to a circular Bernoulli sucking disc.

Background

A bernoulli chuck is a chuck suitable for handling thin, delicate and fragile workpieces, and is usually used in conjunction with a robot, for example, for handling solar cells in the photovoltaic industry.

At present, most of the existing Bernoulli chucks adopt a multi-component assembly structure, cannot be used as single components, and are not popular in functional application. The material of sucking disc is mostly rubber products, easily wearing and tearing in the use, and the life of sucking disc is short. In addition, in the prior commonly used Bernoulli chuck, the airflow distribution is uneven, the adsorption force is unstable, so that the adsorption index of the Bernoulli chuck is not high, the air consumption is high, and the noise is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circular Bernoulli sucking disc, the air current distribution among this circular Bernoulli sucking disc is even, and it is even to have the adsorption affinity and distribute, and the adsorption affinity is strong, advantage that the noise is little.

To achieve the purpose, the utility model adopts the following technical proposal: a circular bernoulli chuck comprising: the back surface of the sucker core is provided with a gas port, the front surface of the sucker core is provided with a diversion trench, the gas port is communicated with the diversion trench through a gas path, the sucker core is also provided with a diversion hole, one end of the diversion hole is communicated with the diversion trench, and the other end of the diversion hole is communicated with the outer peripheral surface of the sucker core; the sucking disc body, the sucking disc body sets up to the disc, be equipped with installation cavity and central gasket on the sucking disc body, central gasket is located the positive center of sucking disc body, the quantity of installation cavity with the quantity of sucking disc core equals, and is a plurality of the installation cavity is followed the circumference evenly distributed of central gasket, and is a plurality of sucking disc core one-to-one is installed in a plurality of in the installation cavity, just the outer peripheral face of sucking disc core with form the air current guide way between the internal face of installation cavity, follow the compressed gas that the gas port lets in can be followed the splitter box with the air current guide way flows.

As a preferred scheme of the circular bernoulli chuck, the chuck core is a cylinder, the splitter box is an annular groove, and the central axis of the air port and the central axis of the splitter box are both coincident with the central axis of the chuck core.

As a preferred scheme of the round Bernoulli chuck, the air passages are arranged in a plurality, and the air passages are evenly distributed by taking the central axis of the annular groove as the center.

As a preferable scheme of the circular bernoulli chuck, the plurality of the shunting holes are provided, and the plurality of shunting holes are uniformly distributed by taking the central axis of the annular groove as a center.

As a preferred scheme of the round Bernoulli chuck, the number of the shunting holes is equal to that of the air passages, and the shunting holes and the air passages are arranged in one-to-one correspondence along the radial direction of the chuck core.

As a preferred scheme of the round bernoulli chuck, the front surface of the chuck core and the front surface of the chuck body are both provided with supporting gaskets, and the supporting gaskets are used for forming air permeable gaps between the chuck core and the chuck body and a workpiece to be conveyed.

As a preferred scheme of the round bernoulli chuck, the supporting pads on the chuck body are provided in plurality, and the supporting pads are uniformly distributed on the outer side of the mounting cavity along the circumferential direction.

As an optimal scheme of the round Bernoulli chuck, a buffer gasket is further arranged on the front face of the chuck body and can be clamped between the chuck body and a workpiece to be conveyed.

As a preferable scheme of the round bernoulli chuck, the buffer gaskets are provided in plurality, and the buffer gaskets are uniformly distributed on the front surface of the chuck body.

As an optimal scheme of the round Bernoulli chuck, the chuck body is further provided with an inductor mounting opening, and the back of the chuck body is provided with a sensor bracket mounting hole and a fixed mounting hole.

The utility model has the advantages that:

the utility model provides a circular Bernoulli sucking disc, this circular Bernoulli sucking disc include the sucking disc body of sucking disc core and disc, and a plurality of sucking disc cores are installed in a plurality of installation cavities of the positive of sucking disc body along circumference one-to-ones for the effort that the work piece was treated to the sucking disc core evenly distributed on the sucking disc body, makes the atress of treating the transport even, treats that the transport is difficult for droing. The front and the back of sucking disc core have been seted up splitter box and gas port respectively, gas port and splitter box pass through the gas circuit intercommunication, the one end of diffluence hole communicates in the splitter box, the other end communicates in the outer peripheral face of sucking disc core, make the outer peripheral face of splitter box and sucking disc core and the air current guide way intercommunication of the internal face of installation cavity, make the compressed gas that the gas port lets in can follow splitter box and air current guide way and flow, produce the laminar air current of rapid flow on the front of sucking disc core and sucking disc body, thereby make the speed of treating to carry work piece upper surface air current be greater than the air current speed of lower surface, make and to treat to carry and produce pressure differential between the work piece upper and lower side, the downside of treating to carry the work piece produces ascending lifting force, thereby make and treat to carry the work piece and. Because the splitter box has still been seted up on the front of sucking disc core for the air current can pass through splitter box at the front evenly distributed of this circular Bernoulli sucking disc, makes this circular Bernoulli sucking disc have that the adsorption affinity distributes evenly, and the adsorption affinity is strong, the little advantage of noise.

Drawings

FIG. 1 is a schematic view of a suction cup core provided in an embodiment of the present invention;

FIG. 2 is an angled cross-sectional view of a suction cup core provided in accordance with an embodiment of the present invention;

FIG. 3 is a cross-sectional view of another angle of the suction cup core provided by an embodiment of the present invention;

FIG. 4 is a bottom view of a circular Bernoulli chuck according to embodiments of the present invention;

fig. 5 is a top view of a circular bernoulli chuck according to embodiments of the present invention.

In the figure:

1. a sucker core; 11. a gas port; 12. a shunt slot; 13. a gas circuit; 14. a shunt hole; 2. a suction cup body; 21. a mounting cavity; 22. an airflow guide slot; 23. a center pad; 3. a support pad; 4. a cushion pad; 5. an inductor mounting port; 6. a sensor bracket mounting hole; 7. and fixing the mounting hole.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the circular bernoulli chuck according to the present invention is further described by the following embodiments with reference to the accompanying drawings.

The present embodiment provides a round bernoulli chuck, which can be used for adsorbing thin, precise and fragile workpieces, so that the workpieces are convenient to carry. This circular Bernoulli's sucking disc includes sucking disc core 1 and sucking disc body 2, has seted up installation cavity 21 on sucking disc body 2's the front, and sucking disc core 1 installs in installation cavity 21. Preferably, as shown in fig. 1, the outer side wall of the sucker core 1 close to the back surface is provided with a connecting thread, and the sucker core 1 is connected in the mounting cavity 21 by adopting the thread, so that the sucker core 1 can be mounted and dismounted more conveniently.

In this embodiment, the number of the sucker cores 1 and the installation cavity 21 is equal and is provided with a plurality of sucker cores 1, and the sucker cores 1 are installed in the installation cavity 21 in a one-to-one correspondence manner. Preferably, the sucking disc body 2 sets up to the disc, still is equipped with central gasket 23 on the front of sucking disc body 2, central gasket 23 is located the positive center of sucking disc body 2, the circumference evenly distributed of central gasket 23 is followed to a plurality of installation cavitys for a plurality of sucking disc cores 1 are along the circumference evenly distributed of central gasket 23, make sucking disc core 1 treat the effort of transport work piece evenly distributed on sucking disc body 2, make the atress of treating the transport even, make and treat that the transport is difficult for droing.

As shown in fig. 1 to 3, an air flow guide groove 22 is formed between the outer peripheral surface of the chuck core 1 and the inner wall surface of the mounting cavity 21, and compressed air can flow out from the air flow guide groove 22, so that a thin layer air flow flowing fast is generated on the front surface of the circular bernoulli chuck, the speed of the air flow on the upper surface of the workpiece to be conveyed is higher than that of the air flow on the lower surface, a pressure difference is generated between the upper surface and the lower surface of the workpiece to be conveyed, an upward lifting force is generated on the lower side surface of the workpiece to be conveyed, and the workpiece to be conveyed is adsorbed on the circular bernoulli chuck.

In this embodiment, gas port 11 has been seted up at the back of sucking disc core 1, gas port 11 is used for letting in compressed gas, splitter box 12 has been seted up in sucking disc core 1's front, be equipped with gas circuit 13 in sucking disc core 1, gas port 11 and splitter box 12 pass through gas circuit 13 intercommunication, still be equipped with reposition of redundant personnel hole 14 on the sucking disc core 1, the one end of reposition of redundant personnel hole 14 communicates in splitter box 12, the other end of reposition of redundant personnel hole 14 communicates in the outer peripheral face of sucking disc core 1, make the partial compressed gas that gas port 11 let in can flow from splitter box 12 through gas circuit 13, partial compressed gas can pass through gas circuit 13 in proper order, splitter box 12, flow out from air current guiding groove 22 behind the reposition of redundant personnel hole 14, make the thin layer air current that produces the rapid flow. The splitter box 12 not only can promote the even flow of inlet air and can also reduce the noise that produces because of air friction, in addition because compressed gas can flow from the splitter box 12, can flow from the air current guide way 22 again, make the air current can be through the evenly distributed on the front of this circular bernoulli's sucking disc, make the upper and lower side of treating the transport work piece can form stable pressure difference, thereby make this circular bernoulli's sucking disc have that the adsorption affinity distributes evenly, the adsorption affinity is strong, the gas consumption is little and the advantage that the noise is little.

Preferably, the suction cup core 1 is provided as a cylinder, the splitter box 12 is an annular groove, and the central axis of the air port 11 and the central axis of the splitter box 12 are both coincident with the central axis of the suction cup core 1, so that the arrangement, processing and manufacturing of the structure of the suction cup core 1 are facilitated.

In this embodiment, the gas circuit 13 is provided with a plurality of, and a plurality of gas circuits 13 use the central axis of ring channel as the center along same circumference evenly distributed for the air current that lets in the splitter box 12 evenly distributed in the splitter box 12, not only is favorable to the air current evenly to flow into in the diffluence orifice 14, still makes the air current distribution of splitter box 12 exhaust even. In this embodiment, there are 6 air passages 13 on the suction cup core 1, and the 6 air passages 13 are uniformly distributed on the same circumferential surface along the same circumferential direction with the central axis of the annular groove as the center, so that the air flow introduced into the splitter box 12 has a certain ventilation amount.

Preferably, the plurality of branch holes 14 are provided, and the plurality of branch holes 14 are uniformly distributed along the same circumferential direction with the central axis of the annular groove as the center, so that the airflow in the branch groove 12 can uniformly flow out into the airflow guide groove 22, and the airflow in the airflow guide groove 22 can be uniformly distributed and uniformly flow out.

In this embodiment, the number of the distribution holes 14 is also set to be 6 (that is, the number is equal to that of the air paths 13), and the distribution holes 14 and the air paths 13 are arranged in a one-to-one correspondence manner along the radial direction of the chuck core 1, so that the resistance of the air flow in the process of flowing through the air paths 13, the distribution grooves 12 and the distribution holes 14 is small, and reduction of energy consumption is facilitated.

As shown in fig. 1 and 4, preferably, the front surface of the suction cup core 1 and the front surface of the suction cup body 2 are both provided with a support pad 3, and the support pads 3 are used for forming air permeable gaps between the suction cup core 1 and the suction cup body 2 and a workpiece to be carried, so as to ensure that air flow can rapidly flow on the front surface of the circular bernoulli suction cup. Specifically, support gasket 3 on the sucking disc body 2 is equipped with a plurality ofly, and along circumference evenly distributed in the outside of installation cavity 21 for all evenly arranged support gasket 3 on the sucking disc body 2's in every installation cavity 21 outside the front, can guarantee that the air permeable gap that forms between sucking disc core 1 and the work piece of treating to carry is ventilative smooth and easy, makes the high velocity air can follow airflow guide way 22 and smoothly flow to sucking disc body 2 on the front.

As shown in fig. 4, the front surface of the suction cup core 1 is preferably provided with a support pad 3 at the center, so that the circular bernoulli suction cup can better support the workpiece to be conveyed, prevent the workpiece to be conveyed from deforming and prevent the diversion channel 12 and the airflow guide channel 22 from ventilating outwards, and ensure that the thin airflow on the front surface of the circular bernoulli suction cup can be formed smoothly.

More preferably, the support pad 3 is a PEEK pad, which is a traceless material, so that the circular bernoulli chuck does not mark the workpiece to be transported when the workpiece to be transported is adsorbed onto the circular bernoulli chuck.

In this embodiment, the front surface of the suction cup body 2 is further provided with a buffer pad 4, the buffer pad 4 can be clamped between the suction cup body 2 and the workpiece to be carried when the workpiece to be carried is adsorbed, the acting force between the suction cup body 2 and the workpiece to be carried can be buffered, and the workpiece to be carried is prevented from being scratched. Similarly, the center spacer 23 can be held between the suction cup body 2 and the workpiece to be conveyed when the workpiece to be conveyed is sucked, and can further buffer the force acting between the suction cup body 2 and the workpiece to be conveyed, and further prevent the workpiece to be conveyed from being scratched.

Preferably, the buffer pads 4 are provided in plurality, and the plurality of buffer pads 4 are uniformly distributed on the front surface of the suction cup body 2, so that the acting force between the suction cup body 2 and the workpiece to be carried is uniformly distributed.

Preferably, the buffer spacer 4 and the center spacer 23 are made of ethylene and vinyl acetate through copolymerization, and compared with a conventional silica gel spacer, the silica gel spacer has excellent elasticity, wear resistance and heat insulation, so that the suction cup body 2 can absorb a workpiece to be carried more effectively, and has a good anti-static effect, thereby providing good protection for a semiconductor component.

In this embodiment, the suction cup body 2 is further provided with an inductor mounting opening 5, and the inductor mounting opening 5 is a through hole for mounting an inductor. Specifically, the back surface of the suction cup body 2 is provided with a sensor bracket mounting hole 6 and a fixed mounting hole 7, which are respectively used for mounting the sensor bracket and the circular bernoulli suction cup on other carrying mechanisms such as a manipulator. Because be equipped with sensor bracket mounting hole 6 on this sucking disc body 2 for the sensor bracket can follow-up the installation on this sucking disc body 2, makes the circular bernoulli sucking disc of this embodiment compare in prior art's circular bernoulli sucking disc overall structure frivolous more.

Preferably, sucking disc core 1 and sucking disc body 2 all adopt the aluminum alloy to make, light in weight, and the cost is lower, and has better ductility, and difficult emergence extrusion deformation when with treating the contact of transport work piece to the condition of piece, rotation and displacement is difficult for taking place to the feasible work piece of treating transport when being absorb by this circular Bernoulli sucking disc.

In this embodiment, as shown in fig. 4 and 5, 4 chuck cores 1 are provided on the circular bernoulli chuck, so that the circular bernoulli chuck has a strong adsorption capability and can adsorb a heavy workpiece to be conveyed.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A circular Bernoulli chuck, comprising:

the novel vacuum suction disc comprises a plurality of suction disc cores (1), wherein the back surfaces of the suction disc cores (1) are provided with air ports (11), the front surfaces of the suction disc cores (1) are provided with splitter boxes (12), the air ports (11) are communicated with the splitter boxes (12) through air passages (13), the suction disc cores (1) are further provided with splitter holes (14), one ends of the splitter holes (14) are communicated with the splitter boxes (12), and the other ends of the splitter holes (14) are communicated with the outer peripheral surfaces of the suction disc cores (1);

sucking disc body (2), sucking disc body (2) set up to the disc, be equipped with installation cavity (21) and central gasket (23) on sucking disc body (2), central gasket (23) are located the positive center of sucking disc body (2), the quantity of installation cavity (21) with the quantity of sucking disc core (1) equals, and is a plurality of installation cavity (21) are followed the circumference evenly distributed of central gasket (23), and is a plurality of sucking disc core (1) one-to-one is installed in a plurality of in installation cavity (21), just the outer peripheral face of sucking disc core (1) with form air current guide way (22) between the internal face of installation cavity (21), follow the compressed gas that gas port (11) let in can be followed splitter box (12) with air current guide way (22) flow out.

2. A circular bernoulli chuck according to claim 1, wherein the chuck core (1) is provided as a cylinder, the splitter box (12) is an annular groove, and the central axis of the air port (11) and the central axis of the splitter box (12) both coincide with the central axis of the chuck core (1).

3. A circular bernoulli chuck according to claim 2, wherein said air passages (13) are provided in plurality, and a plurality of said air passages (13) are evenly distributed around the central axis of said annular groove.

4. A circular bernoulli chuck according to claim 3, wherein said diverter aperture (14) is provided in a plurality, and a plurality of said diverter apertures (14) are evenly distributed about the central axis of said annular groove.

5. The circular Bernoulli chuck according to claim 4, wherein the number of the shunting holes (14) is equal to the number of the air passages (13), and the shunting holes (14) and the air passages (13) are arranged in a one-to-one correspondence along the radial direction of the chuck core (1).

6. The circular bernoulli chuck according to claim 1, wherein a support pad (3) is provided on each of the front face of the chuck core (1) and the front face of the chuck body (2), said support pads (3) being adapted to form an air-permeable gap between the chuck core (1) and the chuck body (2) and a workpiece to be handled.

7. The circular Bernoulli chuck according to claim 6, wherein a plurality of supporting pads (3) are provided on the chuck body (2), and the supporting pads (3) are uniformly distributed on the outer side of the mounting cavity (21) along the circumferential direction.

8. The circular bernoulli chuck according to claim 1, wherein a bumper pad (4) is further provided on the front face of the chuck body (2), said bumper pad (4) being capable of being clamped between the chuck body (2) and a workpiece to be handled.

9. The circular bernoulli chuck according to claim 8, wherein said plurality of cushion pads (4) is provided, and a plurality of said cushion pads (4) are evenly distributed on the front face of the chuck body (2).

10. The circular Bernoulli chuck according to claim 1, wherein the chuck body (2) is further provided with an inductor mounting opening (5), and the backside of the chuck body (2) is provided with a sensor bracket mounting hole (6) and a fixing mounting hole (7).