CN116331880B

CN116331880B - Feeding sucker and feeding device for film

Info

Publication number: CN116331880B
Application number: CN202310050556.0A
Authority: CN
Inventors: 胡小平; 宋良浩; 马密
Original assignee: Sichuan Tuobule Technology Co ltd
Current assignee: Sichuan Tuopule Technology Co ltd
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-08-11
Anticipated expiration: 2043-02-01
Also published as: CN116331880A

Abstract

The application relates to the technical field of suction cups, in particular to a feeding suction cup for a film and a feeding device, wherein the disclosed feeding suction cup for the film comprises a suction cup body and a vibration module, the vibration module is connected with the suction cup body and has at least one vibration direction, and an included angle between the vibration direction and the suction direction of the suction cup body is larger than 45 degrees and smaller than or equal to 90 degrees; in the above scheme, the vibration module can drive the film absorbed by the sucker body to generate vibration different from the absorption direction, so that external air flow can easily enter between two layers of adjacent films through the seam between the two layers of adjacent films, thereby eliminating the vacuum area existing between the two layers of adjacent films, and the adjacent two films are automatically separated due to the disappearance of the adhesion force, so that the sucker body only grabs the absorbed film, and the subsequent procedures are satisfied.

Description

Feeding sucker and feeding device for film

Technical Field

The application relates to the technical field of suckers, in particular to a feeding sucker for a film and a feeding device.

Background

The thin film is a thin and soft transparent sheet, is made of plastics, adhesives, rubber or other materials, and is widely applied to industries such as electronics, machinery, printing and the like.

In the related art, a sucker is generally used for grabbing the film, however, in the process of grabbing the film by the sucker, at least two layers of films are grabbed at one time, so that at least two layers of films grabbed by the sucker are required to be separated to meet actual production requirements. In the current scheme, the redundant film is stripped by adopting a manual separation mode, on one hand, the production smoothness of the manual separation film is reduced, the production efficiency is reduced, and on the other hand, the manual separation can cause stains on the surface of the film, influence the quality of the product and reduce the yield.

In view of the above, it is an urgent technical problem to provide a suction device capable of separating the redundant films.

Disclosure of Invention

The application discloses a feeding sucker and a feeding device for films, which are used for solving the technical problem that a sucker in the related art can grasp at least two layers of films at one time.

In order to solve the problems, the application adopts the following technical scheme:

in a first aspect, the application provides a feeding sucker for a film, which comprises a sucker body and a vibration module, wherein the vibration module is connected with the sucker body, the vibration module has at least one vibration direction, and an included angle between the vibration direction and the suction direction of the sucker body is larger than 45 degrees and smaller than or equal to 90 degrees.

Further, the vibration module comprises a first vibration unit, the first vibration unit vibrates along a first direction, and a first included angle alpha between the first direction and the suction direction meets 45 degrees < alpha less than or equal to 90 degrees.

Further, the vibration module further comprises a second vibration unit, the second vibration unit vibrates along a second direction, and a second included angle beta between the second direction and the suction direction meets 45 degrees < beta < 90 degrees;

and a third included angle gamma between the projections of the first direction and the second direction on an X-Y plane is more than 45 degrees and less than or equal to 90 degrees, and the X-Y plane is perpendicular to the suction direction.

Further, the vibration module comprises an intermediate adapter, and the intermediate adapter is connected with the first vibration unit and the second vibration unit.

Further, the first vibration unit and the second vibration unit are distributed along the axial direction of the intermediate adapter, and at least part of the projection of the first vibration unit on the X-Y plane overlaps with the projection of the second vibration unit on the X-Y plane.

Further, the first vibration unit is any one of a piezoelectric ceramic plate, a piezoelectric ceramic stack and a magnetic vibration component, and the second vibration unit is any one of the piezoelectric ceramic plate, the piezoelectric ceramic stack and the magnetic vibration component.

Further, the vibration frequency of the first vibration unit is not less than 200Hz, and/or the vibration frequency of the second vibration unit is not less than 200Hz.

Further, the vibration module further comprises a first mounting piece and a second mounting piece, the first vibration unit is connected with the first mounting piece and the second mounting piece, and the sucker body is arranged on the second mounting piece.

Further, the first mounting member and the second mounting member are each L-shaped.

In a second aspect, an embodiment of the application discloses a feeding device for a film, wherein the feeding device for the film comprises the feeding sucker for the film.

The technical scheme adopted by the application can achieve the following beneficial effects:

the vibration module can drive the film adsorbed by the sucker body to vibrate in a direction different from the adsorption direction, so that external air flow easily enters between two adjacent films through a seam between the edges of the two adjacent films, thereby eliminating a vacuum area between the two adjacent films, and the two adjacent films are automatically separated due to disappearance of adhesion force, so that the sucker body only grabs the adsorbed film to meet the actual requirement of subsequent procedures;

under the condition that the first included angle alpha is more than 45 degrees and less than 90 degrees, the directions of the seam openings between the edges of two layers of adjacent films are generally consistent with the first direction, the films absorbed by the sucker body can move transversely relative to the adjacent films to increase the size of the seam openings, and the films can move obliquely downwards together, so that a large amount of external air flows through the seam openings to be poured between the two layers of adjacent films to eliminate vacuum, and the separation efficiency between the two layers of adjacent films is remarkably improved.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a feeding suction cup for a film according to a first embodiment of the present application;

FIG. 2 is a schematic vibration diagram of a film loading chuck according to a first embodiment of the present application;

FIG. 3 is a schematic view of a first embodiment of the present application for gripping a film with a feed chuck;

FIG. 4 is an enlarged partial schematic view at A in FIG. 3;

FIG. 5 is a schematic diagram of an external airflow breaking vacuum in accordance with an embodiment of the present application;

FIG. 6 is a schematic structural view of a feeding suction cup for a film according to a second embodiment of the present application;

FIG. 7 is a schematic vibration diagram of a film loading chuck according to a second embodiment of the present application;

FIG. 8 is a schematic view of a second embodiment of the present application for gripping a film with a feed chuck;

FIG. 9 is an enlarged partial schematic view at B in FIG. 8;

FIG. 10 is a schematic structural view of a feeding suction cup for a film according to a third embodiment of the present application;

FIG. 11 is a schematic vibration diagram of a film loading chuck according to a third embodiment of the present application;

fig. 12 is a schematic structural view of an intermediate adapter according to a third embodiment of the present application.

In the figure:

a suction cup body;

200-vibration module, 210-first vibration unit, 220-second vibration unit, 230-intermediate adapter, 231-first mounting face, 232-second mounting face, 240-first mounting piece, 250-second mounting piece; 300-first film, 400-second film; l1-a first direction, L1' -a first direction projection; l2-second direction, L2' -second direction projection, P-outside air flow.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, based on the examples herein, which are within the scope of the application as defined by the claims, will be within the scope of the application as defined by the claims.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

In the existing design, in the process of grabbing the film by the sucker, because the surface of the film is smooth, the adjacent two layers of films are closely contacted to almost completely isolate air, the film forms partial vacuum with the adjacent films when being grabbed, and adhesion force is easy to be generated between the two layers of films, so that the sucker grabs at least two layers of films at one time.

In order to solve the technical problem that a sucker can grab at least two layers of films at one time in the related art, the embodiment of the application provides a feeding sucker for films. The following describes in detail the feeding suction cup and the feeding device for a thin film according to the embodiments of the present application through specific embodiments and application scenarios thereof with reference to fig. 1 to 12.

Referring to fig. 1 to 5, an embodiment of the present application discloses a feeding suction cup for a film, and the feeding suction cup for a film disclosed in the embodiment of the present application includes a suction cup body 100 and a vibration module 200.

Wherein, sucking disc body 100 has work end and installation end, and the work end of sucking disc body 100 has the adsorption surface of indent, and the installation end of sucking disc body 100 is used for installing sucking disc body 100, and when negative pressure equipment and sucking disc body 100 switch-on, the adsorption surface of sucking disc body 100 can be attached on the film surface, produces the adsorption force to the film to reach the effect of snatching the film.

In the embodiment of the present application, the film that is in adsorption connection with the suction cup is defined as the first film 300, and the film adjacent to the first film 300 is defined as the second film 400, and for convenience of explanation, only the first film 300 and the second film 400 are used as the description objects in the embodiment of the present application.

The vibration module 200 is connected with the sucker body 100 to drive the sucker body 100 to vibrate, the vibration module 200 has at least one vibration direction, and an included angle between the vibration direction and the suction direction of the sucker body 100 is greater than 45 ° and less than or equal to 90 °.

It should be noted that, because the vibration is performed reciprocally, the vibration direction includes a first movement direction and a second movement direction which are opposite to each other, and an included angle is formed between the first movement direction and the second movement direction and the suction direction, respectively, and the two included angles are complementary angles. In the embodiment of the application, for convenience of explanation, when two included angles are unequal, a small value in the two included angles is taken as the included angle between the vibration direction and the suction direction; when the two included angles are equal and 90 degrees, the included angle between the vibration direction and the suction direction is 90 degrees.

Referring to fig. 2, the suction direction of the chuck body 100 is defined as a Z-axis direction, and an included angle between the vibration direction of the vibration module 200 and the suction direction of the chuck body 100 is greater than 45 ° and less than or equal to 90 °, that is, the vibration module 200 has a first vibration displacement component falling in the X-Y plane and a second vibration displacement component parallel to the Z-axis, and the first vibration displacement component is greater than the second vibration displacement component, or the vibration direction of the vibration module 200 falls in the X-Y plane.

In an alternative embodiment, the vibration module 200 has a vibration direction, specifically, referring to fig. 2, the vibration module 200 may include a first vibration unit 210, where the first vibration unit 210 vibrates along a first direction L1, and a first included angle α=90° between the first direction L1 and a suction direction (Z axis), and in this embodiment, the first direction L1 may be defined as an X-axis direction, and the vibration direction of the first vibration unit 210 falls in an X-Y plane.

The inventors of the present application found during the course of the study that, when the suction cup is arranged, in order to avoid the suction cup from leaking, and ensure the suction effect of the suction cup on the film, the suction cup is generally distributed on the inner side of the peripheral edge of the film, that is, the suction cup has a certain distance from the peripheral edge of the film, and under this arrangement, referring to fig. 3, when the suction cup grabs at least two layers of film, the edge portion between two adjacent layers of film is easy to communicate with air to generate a seam.

In the technical solution of this embodiment, referring to fig. 3 to 5, when the chuck body 100 grabs the first film 300 and separates from the stack, the second film 400 is adhered to the first film 300 due to the adhesion force, and during the vibration process of the vibration module 200, the second film 400 has a tendency to remain stationary due to the inertia force, and the vibration module 200 drives the first film 300 to vibrate along the X-axis direction relative to the second film 400, so that the external air flow P easily enters between the first film 300 and the second film 400 through the slit, thereby eliminating the vacuum area existing between the first film 300 and the second film 400, and the first film 300 and the second film 400 are automatically separated due to the disappearance of the adhesion force, so that the chuck body 100 can only grab the first film 300 when grabbing the film material, thereby achieving the purpose of single-layer grabbing.

The inventors of the present application have also found during the course of the study that, referring to fig. 4, the edges of the first film 300 and the second film 400 are prone to partially oblique sagging under the force of gravity, resulting in the aforementioned slit being obliquely downward.

Based on this phenomenon, in another alternative embodiment, referring to fig. 6 to 7, the first vibration unit 210 of the vibration module 200 vibrates along the first direction L1, and the first angle α between the first direction L1 and the suction direction (Z axis) satisfies 45 ° < α < 90 °, that is, the first vibration unit 210 vibrates obliquely with respect to the X-Y plane, so that the first direction L1 is substantially consistent with the direction of the seam.

With this arrangement, referring to fig. 8 to 9, in the process of the first vibration unit 210 vibrating obliquely downward, the first film 300 can move laterally relative to the second film 400 to increase the size of the seam, and the first film 300 and the second film 400 can move obliquely downward together (the second film 400 is pushed by the first film 300), so that a large amount of external air flow P is poured between the first film 300 and the second film 400 to eliminate the vacuum area, and the vibration mode can significantly improve the separation efficiency of the first film 300 and the second film 400, reduce the vibration time of the vibration module 200, and further reduce the feeding time of the films.

It should be understood that the orientation of the slit is related to the material and the size of the film and the arrangement position of the chuck body relative to the first film 300, so the vibration direction of the first vibration unit 210 may be adaptively designed according to the material and the size of the film and the arrangement position of the chuck body relative to the first film 300, so that the orientation of the slit is substantially consistent with the first direction L1.

In the foregoing solution, the first included angle α satisfies 45 ° < α+.ltoreq.90°, so that the first vibration unit 210 mainly generates transverse vibration, which can ensure that the first film 300 generates vibration relative to the second film 400 in the transverse direction, and is beneficial for the external air to flow through the slit and enter the vacuum region between the two; compared with the mode that the first vibration unit 210 mainly generates longitudinal vibration, the technical scheme of the embodiment of the application can avoid the linkage condition of the first film 300 and the second film 400 due to the overlarge adhesion area, and can obviously improve the separation efficiency of the first film 300 and the second film 400.

In an embodiment of the present application, the vibration module 200 may further include a first mounting member 240 and a second mounting member 250, the first mounting member 240 being capable of functioning as a mounting base of the first vibration unit 210, and the second mounting member 250 being capable of functioning as a mounting base of the suction cup body 100. Specifically, one end of the first vibration unit 210 is connected to the first mounting member 240, the other end of the first vibration unit 210 is connected to the second mounting member 250, and the suction cup body 100 is connected to the second mounting member 250, and in the case that the first vibration unit 210 vibrates in the first direction L1, the suction cup body 100 vibrates with the vibration of the first vibration unit 210 through the second mounting member 250.

In a further technical solution, please refer to fig. 1 and fig. 2, the first mounting member 240 and the second mounting member 250 are both L-shaped, and the two are enclosed to form a containing space for containing the first vibration unit 210, so that the space occupation of the vibration module 200 can be reduced by the layout, and the distribution layout of the suction cups for the thin film on the feeding device for the thin film in this embodiment is optimized.

In an embodiment of the present application, the first vibration unit 210 may be any one of a piezoelectric ceramic sheet, a piezoelectric ceramic stack, or a magnetic vibration assembly.

In the case where the first vibration unit 210 is a piezoelectric ceramic plate or a piezoelectric ceramic stack, an electrical excitation signal is applied to the piezoelectric ceramic plate, and the piezoelectric ceramic plate mechanically deforms according to the voltage and frequency changes, the piezoelectric ceramic stack includes a plurality of piezoelectric ceramic plates, and the stroke of the piezoelectric ceramic stack is greater than the free stroke of a single piezoelectric ceramic plate.

In the case that the first vibration unit 210 is a magnetic vibration assembly, the magnetic vibration assembly may include a magnet assembly and a coil assembly, the magnet assembly may be fixedly disposed on the first mounting member 240, the coil assembly may be connected with the second mounting member 250, and an electrical excitation signal is applied to the magnetic vibration assembly, so that the magnet assembly and the coil assembly generate magnetic attraction or magnetic repulsion, thereby achieving the purpose of vibration.

It can be understood that whether the first film 300 can generate the motion relative to the second film 400 depends on the vibration frequency of the first vibration unit 210, and if the vibration frequency of the first vibration unit 210 is low, the second film 400 moves together with the first film 300 due to the adhesion force, so that the purpose of separating the first film 300 and the second film 400 is not achieved. Therefore, in the embodiment of the present application, in order to enhance the separation effect of the vibration module 200 on the first film 300 and the second film 400, the vibration frequency of the first vibration unit 210 is not less than 200Hz, for example, may be 250Hz to 350Hz, and in some other embodiments, the first vibration unit 210 may also be ultrasonic vibration.

Referring to fig. 10 to 11, the vibration module 200 may further include a second vibration unit 220, where the second vibration unit 220 vibrates along a second direction L2, and a second included angle β between the second direction L2 and the suction direction (Z axis) satisfies 45 ° < β+.ltoreq.90°.

The first direction L1 has a first direction projection L1 'on the X-Y plane, the second direction L2 has a second direction projection L2' on the X-Y plane, and a third included angle gamma between the first direction projection L1 'and the second direction projection L2' satisfies 45 DEG < gamma < 90 deg. It can be understood that, in the case where the first direction L1 falls on the X-Y plane, l1=l1'; in the case where the second direction L2 falls on the X-Y plane, l2=l2'.

In an alternative embodiment, please continue to refer to fig. 10-11, where γ=90°, the first direction projection L1 'may be defined as the X-axis direction and the second direction projection L2' may be defined as the Y-axis direction; with this arrangement, since the vibration module 200 can vibrate in the X-axis direction and also vibrate in the Y-axis direction in a top view, the first film 300 and the second film 400 can introduce the external air flow P into the slit in the X-axis direction and also into the slit in the Y-axis direction, and the peeling efficiency of the first film 300 and the second film 400 can be improved. Of course, in some other embodiments, γ may satisfy 45 ° < γ < 90 °, as the application is not limited in this regard.

Of course, the size of the slits of the first film 300 and the second film 400 in the X-axis direction may be different from the size of the slits in the Y-axis direction according to the material, the size and the distribution position of the suction cups of the films, and one of the first vibration unit 210 and the second vibration unit 220 may be selectively activated, or the first vibration unit 210 and the second vibration unit 220 may be simultaneously activated, which is not limited in the present application.

In the embodiment of the present application, the second vibration unit 220 may be any one of a piezoelectric ceramic sheet, a piezoelectric ceramic stack, or a magnetic vibration assembly, and the first vibration unit 210 may be the same as or different from the second vibration unit 220, which is not limited in the present application.

In a further technical solution, in the case that the vibration module 200 includes the first vibration unit 210 and the second vibration unit 220, the vibration module 200 may further include an intermediate adaptor 230, where the intermediate adaptor 230 connects the first vibration unit 210 and the second vibration unit 220, and the intermediate adaptor 230 can improve convenience of assembling the first vibration unit 210 and the second vibration unit 220 to form the vibration module 200, and can avoid mutual interference caused by direct connection of the first vibration unit 210 and the second vibration unit 220.

In a further embodiment, referring to fig. 12, the first vibration unit 210 and the second vibration unit 220 are distributed along the axial direction of the intermediate adapter 230, specifically, the intermediate adapter 230 has a first mounting surface 231 and a second mounting surface 232, the first mounting surface 231 and the second mounting surface 232 are staggered up and down, the first vibration unit 210 is connected to the first mounting surface 231, and the second vibration unit 220 is connected to the second mounting surface 232.

Based on the above scheme, the first vibration unit 210 and the second vibration unit 220 are distributed up and down, so that the projection of the first vibration unit 210 on the X-Y plane and the projection of the second vibration unit 220 on the X-Y plane can have mutually overlapped parts, the radial dimension of the vibration module 200 is reduced, the problem that the radial dimension of the vibration module 200 is far greater than the radial dimension of the sucker body 100 to influence the density of the sucker set by the feeding device for the film is avoided, and the stable and reliable adsorption effect of the feeding device for the film on the first film 300, for example, the adsorbed first film 300 has better flatness, is ensured.

In the embodiment of the present application, the vibration frequency of the second vibration unit 220 is not less than 200Hz, for example, may be 250Hz to 350Hz. Of course, in some other embodiments, the second vibration unit 220 may be ultrasonic vibration. The vibration frequency of the first vibration unit 210 may be the same as or different from that of the second vibration unit 220, and the present application is not limited thereto.

The embodiment of the application also discloses a feeding device for the film, which comprises the feeding sucker for the film.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application.

Claims

1. The utility model provides a material loading sucking disc for film which characterized in that includes:

a suction cup body (100);

the vibration module (200) is connected with the sucker body (100), the vibration module (200) is provided with at least one vibration direction, and an included angle between the vibration direction and the suction direction of the sucker body (100) is more than 45 degrees and less than or equal to 90 degrees;

the vibration module (200) comprises a first vibration unit (210), wherein the first vibration unit (210) vibrates along a first direction, and a first included angle alpha between the first direction and the suction direction meets 45 degrees < alpha less than or equal to 90 degrees;

the vibration module (200) further comprises a second vibration unit (220), the second vibration unit (220) vibrates along a second direction, and a second included angle beta between the second direction and the suction direction meets 45 degrees being less than or equal to 90 degrees;

2. The film feeding suction cup as claimed in claim 1, wherein the vibration module (200) includes an intermediate adapter (230), and the intermediate adapter (230) connects the first vibration unit (210) and the second vibration unit (220).

3. The film loading chuck as recited in claim 2, wherein the first vibration unit (210) and the second vibration unit (220) are distributed along an axial direction of the intermediate adapter (230), and at least a portion of a projection of the first vibration unit (210) on an X-Y plane overlaps with a projection of the second vibration unit (220) on the X-Y plane.

4. A feeding suction cup for a thin film according to any one of claims 1 to 3, wherein the first vibration unit (210) is any one of a piezoelectric ceramic sheet, a piezoelectric ceramic stack and a magnetic vibration assembly, and the second vibration unit (220) is any one of a piezoelectric ceramic sheet, a piezoelectric ceramic stack and a magnetic vibration assembly.

5. A feeding suction cup for a film according to any one of claims 1 to 3, wherein the vibration frequency of the first vibration unit (210) is not less than 200Hz, and/or the vibration frequency of the second vibration unit (220) is not less than 200Hz.

6. The feeding suction cup for a film according to claim 1, wherein the vibration module (200) further comprises a first mounting member (240) and a second mounting member (250), the first vibration unit (210) is connected to the first mounting member (240) and the second mounting member (250), and the suction cup body (100) is provided to the second mounting member (250).

7. The film feeding suction cup as set forth in claim 6, wherein the first mounting member (240) and the second mounting member (250) are each L-shaped.

8. A feeding device for a film, characterized by comprising the feeding suction cup for a film according to any one of claims 1 to 7.