CN111469392B

CN111469392B - Film sticking device

Info

Publication number: CN111469392B
Application number: CN202010249254.2A
Authority: CN
Inventors: 郭冰勋; 刘俊德; 王亚林; 陈国强
Original assignee: Shenzhen Liande Automation Equipment Co ltd
Current assignee: Shenzhen Liande Automation Equipment Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2022-03-01
Anticipated expiration: 2040-04-01
Also published as: CN111469392A

Abstract

The invention relates to a film sticking device, which comprises: the adsorption assembly comprises a vacuum suction plate, an auxiliary sucker and a power element, wherein the power element is used for driving the auxiliary sucker to move relative to the vacuum suction plate so as to enable the adsorption surface of the auxiliary sucker to be flush with the adsorption surface of the vacuum suction plate; the rolling component is arranged on one side of the adsorption component and can be pressed on the binding surface of the workpiece; the rotating assembly is used for driving the rolling assembly to rotate, and the rotating shaft direction of the rotating assembly is parallel to the adsorption surface of the vacuum suction plate; and the film pasting platform is used for placing the workpiece to be pasted and driving the workpiece to move. Above-mentioned pad pasting device adsorbs the marginal area of protection film through supplementary sucking disc for the protection film is the flat state, makes things convenient for formation of image and location. After the position correction of the protective film is finished, the power element drives the auxiliary sucker to reset so as to avoid interference on the movement of the rolling assembly.

Description

Film sticking device

Technical Field

The invention relates to the technical field of film sticking, in particular to a film sticking device.

Background

The curved screen has the following advantages: (1) the slightly curved screen can provide better surrounding impression, a naked eye 3D visual effect is simulated, the visual angle is wider, the feeling of the curved screen to people is larger, and panoramic experience is brought; (2) the curved screen can bring comfortable viewing experience, the appearance is cool and dazzling, the grade of experience is promoted, and the mobile phone adopting the curved screen is more and more popularized in recent years. To protect the mobile phone screen, a protective film is usually attached to the curved cover plate. When the protective film is attached, the relative positions of the protective film and the curved cover plate need to be corrected firstly, so that the protective film is aligned with the area to be attached of the curved cover plate. The curved surface apron includes plane portion and the arc edge that is located plane portion both sides, and the protection film includes central zone and the marginal zone that is located central zone both sides, and central zone corresponds with the plane portion of curved surface apron, and the marginal zone corresponds with the arc edge of curved surface apron. Before the laminating, absorb the protection film through the vacuum suction plate and shift the protection film to curved surface apron top, need shoot the counterpoint at this in-process. In order to avoid interference generated by the attaching action of the roller arranged on the side surface of the vacuum suction plate, the adsorption area of the existing vacuum suction plate is consistent with the central area of the protective film, the protective film is usually made of flexible materials, and the edge area of the protective film is in a sagging state due to the action of gravity, so that interference is caused to imaging and positioning.

Disclosure of Invention

Accordingly, it is necessary to provide a film attaching apparatus for solving the problem that the edge region of the protective film is in a sagging state due to gravity, which interferes with image formation and positioning.

A film applicator, comprising:

the adsorption assembly comprises a vacuum suction plate, an auxiliary sucker and a power element, wherein the power element is used for driving the auxiliary sucker to move relative to the vacuum suction plate so as to enable the adsorption surface of the auxiliary sucker to be flush with the adsorption surface of the vacuum suction plate;

the rolling component is arranged on one side of the adsorption component and can be pressed on the binding surface of the workpiece;

the rotating assembly is used for driving the rolling assembly to rotate, and the rotating shaft direction of the rotating assembly is parallel to the adsorption surface of the vacuum suction plate; and a process for the preparation of a coating,

and the film pasting platform is used for placing a workpiece to be pasted and driving the workpiece to move.

Above-mentioned pad pasting device, before the laminating, need to rectify the relative position of protection film and curved surface screen, concrete operation is as follows: the image of protection film is acquireed to the module of making a video recording, and control system calculates the deviation value of protection film and curved screen, according to the position of deviation value adjustment protection film. The edge area of the protective film is adsorbed through the auxiliary sucker, so that the protective film is in a flat state and is convenient to image and position. After the position correction of the protective film is finished, the power element drives the auxiliary sucker to reset so as to avoid interference on the movement of the rolling assembly.

In one embodiment, the adsorption assembly further comprises a support and a connecting block, the support is fixedly connected with the vacuum suction plate, the connecting block is connected with the support in a sliding mode, the connecting block can move relative to the support under the driving of the power element, an included angle theta is formed between the moving direction of the connecting block and the adsorption surface of the vacuum suction plate, the included angle theta is 0 degrees < theta <30 degrees, and the auxiliary suction cup is arranged at the end of the connecting block.

In one embodiment, a side surface of the vacuum suction plate adjacent to the auxiliary suction cup is a first surface, and an included angle between the first surface and a suction surface of the vacuum suction plate is less than 90 °.

In one embodiment, the suction assembly further comprises a rotating unit, the rotating unit is used for driving the vacuum suction plate to rotate, and the rotating shaft direction of the rotating unit is perpendicular to the suction surface of the vacuum suction plate.

In one embodiment, the number of the rolling assemblies is 2, and 2 rolling assemblies are respectively arranged on two sides of the adsorption assembly.

In one embodiment, the rolling assembly comprises a roller and a linear motion unit, and the linear motion unit is used for driving the roller to approach or depart from the workpiece.

In one embodiment, the rolling assembly further comprises a side plate and a sliding block arranged on the side plate, one end of the side plate is connected with the output end of the linear motion unit, the other end of the side plate is connected to the roller, the film sticking device further comprises a mounting seat and a sliding rail, the sliding rail is arranged on the side face of the mounting seat, and the sliding block is arranged on the sliding rail in a sliding manner.

In one embodiment, the linear motion unit includes a cylinder.

In one embodiment, the film sticking device further comprises a transfer assembly, the transfer assembly comprises a first motion module and a second motion module, the first motion module is used for driving the adsorption assembly and the rolling assembly to move in the horizontal direction, and the second motion module is used for driving the adsorption assembly and the rolling assembly to lift.

In one embodiment, the rotating assembly includes a rotating motor and a reducer.

Drawings

FIG. 1 is a schematic view of a film deposition apparatus according to an embodiment;

FIG. 2 is a schematic view of a film application device according to an embodiment;

FIG. 3 is a partial schematic view of a transfer assembly and a rotary assembly of the film laminating apparatus shown in FIG. 1;

FIG. 4 is a schematic view of an adsorption component of the film laminating apparatus shown in FIG. 1;

FIG. 5 is a partial schematic view of the adsorbent assembly of FIG. 4;

FIG. 6 is a schematic view of a rolling assembly of the film laminating apparatus shown in FIG. 1;

FIG. 7 is a schematic view of a film-sticking state of the film-sticking apparatus shown in FIG. 1;

fig. 8 is a schematic view showing another state of the film sticking apparatus shown in fig. 1.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a film laminating apparatus 100 includes an absorption assembly 10, a rolling assembly 20, a transfer assembly 30, a rotation assembly 40, and a film laminating platform 60. The absorption assembly 10 is used for absorbing the protective film 200 and transferring the protective film to the upper part of the workpiece under the drive of the transfer assembly 30. The rolling assembly 20 is used for pressing the protective film 200 on the workpiece, and the protective film 200 is gradually attached to the surface of the workpiece as the film attaching platform 60 drives the workpiece to move along the horizontal direction. The rotating assembly 40 is used for driving the adsorption assembly 10 and the rolling assembly 20 to rotate, the adsorption assembly 10 comprises a vacuum suction plate 11, and the rotating shaft direction of the rotating assembly 40 is parallel to the adsorption surface 11b of the vacuum suction plate 11. When the curved surface part of the workpiece is attached, the rotating assembly 40 drives the rolling assembly 20 to incline to a certain degree, so that the roller 21 of the rolling assembly 20 is ensured to be tangent to the surface of the workpiece, and the protective film 200 is completely attached to the surface of the workpiece.

The film pasting device 100 further comprises a mounting seat 50, the mounting seat 50 is formed by splicing a plurality of metal plates and comprises a first mounting plate 51, a second mounting plate 52 and two third mounting plates 53, the first mounting plate 51 and the second mounting plate 52 are vertically arranged, and the two third mounting plates 53 are respectively arranged on two sides of the second mounting plate 52. Referring to fig. 3, the rotating assembly 40 includes a rotating motor 41 and a speed reducer 42, the rotating motor 41 is disposed on the first mounting plate 51, and an output shaft of the rotating motor 41 penetrates through the first mounting plate 51 and is connected to the speed reducer 42. The transfer unit 30 includes an attachment plate 32, and an end of the decelerator 42 remote from the rotation motor 41 is fixed to the attachment plate 32. The rolling assembly 20 is disposed on the third mounting plate 53, and the adsorption assembly 10 is disposed under the second mounting plate 52 and located in a space defined by the second mounting plate 52 and the two third mounting plates 53. When the rotating motor 41 rotates, the mounting seat 50 connected thereto rotates, and the rolling assembly 20 and the suction assembly 10 provided in the mounting seat 50 rotate synchronously.

In an embodiment, referring to fig. 2, the film pasting apparatus 100 can be used to paste the protection film 200 on the curved cover plate 300, and the curved cover plate 300 includes a planar portion 310, a first arc-shaped edge 321 and a second arc-shaped edge 322 located at two sides of the planar portion 310.

Referring to fig. 4 and 5, the suction assembly 10 includes an auxiliary suction cup 12 and a power element 13, wherein the power element 13 is used for driving the auxiliary suction cup 12 to move relative to the vacuum suction plate 11, so that the suction surface of the auxiliary suction cup 12 is flush with the suction surface 11b of the vacuum suction plate 11. Before the lamination, the relative position between the protection film 200 and the curved cover plate 300 needs to be corrected, and the specific operations are as follows: the camera module acquires the image of the protective film 200, the control system calculates the deviation value of the positions of the protective film 200 and the curved cover plate 300, and the position of the protective film 200 is adjusted according to the deviation value. The edge area of the protective film 200 is adsorbed by the auxiliary suction cup 12, so that the protective film 200 is in a flat state, and imaging and positioning are facilitated. After the position correction of the protective film 200 is finished, the power element 13 drives the auxiliary suction cup 12 to reset, so as to avoid interference to the movement of the rolling assembly 20.

The adsorption assembly 10 further comprises a support 14 and a connecting block 15, the support 14 is fixedly connected with the vacuum suction plate 11, the connecting block 15 is connected with the support 14 in a sliding mode and can move relative to the support 14 under the driving of the power element 13, an included angle theta is formed between the moving direction of the connecting block 15 and the adsorption surface 11b of the vacuum suction plate 11, the included angle theta is 0 degrees < theta <30 degrees, and the auxiliary suction disc 12 is arranged at the end portion of the connecting block 15. The motion track of the auxiliary suction cup 12 forms an included angle theta relative to the adsorption surface 11b of the vacuum suction plate 11, that is, the motion of the auxiliary suction cup 12 in the horizontal direction and the motion of the auxiliary suction cup 12 in the vertical direction are synchronously performed, so that the extension and the reset of the auxiliary suction cup 12 are more efficient and faster. Moreover, since the horizontal direction movement unit and the vertical direction movement unit do not need to be separately arranged, the overall structure of the adsorption assembly 10 is more simplified.

The side surface of the vacuum suction plate 11 opposite to the auxiliary suction cup 12 is a first surface 11a, and the included angle between the first surface 11a and the suction surface 11b is smaller than 90 degrees, so that the auxiliary suction cup 12 is prevented from colliding with the vacuum suction plate 11 in the movement process.

The absorption assembly 10 further includes a rotation unit 16, and the rotation unit 16 is configured to rotate the vacuum absorption plate 11 so as to correct the positions of the protection film 200 and the curved cover plate 300 absorbed on the vacuum absorption plate 11. It can be understood that the rotation axis direction of the rotation unit 16 is perpendicular to the suction surface 11b of the vacuum suction plate 11. In some embodiments, the rotary unit 16 may be a direct drive motor.

Referring to fig. 2, the number of the rolling assemblies 20 is 2, and 2 rolling assemblies 20 are respectively located at two sides of the adsorption assembly 10. Specifically, the 2 rolling assemblies 20 are respectively a first rolling assembly 20a and a second rolling assembly 20b, and the first rolling assembly 20a and the second rolling assembly 20b are respectively located at two sides of the vacuum suction plate 11. When the plane portion 310 of the curved cover plate 300 is attached, the first rolling assembly 20a is pressed downward to press the protection film 200 on the curved cover plate 300, and the film attaching platform 60 drives the curved cover plate 300 to move along the horizontal direction, so that the protection film 200 is gradually attached to the plane portion 310 of the curved cover plate 300. After the planar portion 310 is attached, the rotating assembly 40 drives the first rolling assembly 20a to deflect in the direction along the pointer, so that the protective film 200 is gradually attached to the first arc-shaped edge 321 of the curved cover plate 300. Then the film pasting platform 60 drives the curved cover plate 300 to move along the horizontal direction until the second rolling assembly 20b is located at the junction of the plane portion 310 and the second arc-shaped edge 322, and the rotating assembly 40 drives the second rolling assembly 20b to deflect in the counterclockwise direction, so that the protective film 200 is pasted on the second arc-shaped edge 322 of the curved cover plate 300. The first rolling assembly 20a and the second rolling assembly 20b are respectively used for attaching the first arc-shaped edge 321 and the second arc-shaped edge 322 of the curved cover plate 300, specifically, when the first arc-shaped edge 321 of the curved cover plate 300 is attached, the first rolling assembly 20a is located between the vacuum suction plate 11 and the curved cover plate 300, so as to prevent the curved cover plate 300 from being damaged by the contact between the edge of the vacuum suction plate 11 and the curved cover plate 300 during the attachment of the curved cover plate 300.

Referring to fig. 6, the rolling assembly 20 includes a roller 21 and a linear motion unit 22, and the linear motion unit 22 is configured to drive the roller 21 to approach the workpiece, so that the roller 21 is pressed on the bonding surface of the workpiece. After the bonding is completed, the linear motion unit 22 drives the roller 21 to move in a direction away from the workpiece.

The rolling assembly 20 further comprises a side plate 23 and a sliding block 24 arranged on the side plate 23, one end of the side plate 23 is connected with the output end of the linear motion unit 22, the other end of the side plate is connected to the roller 21, the adsorption assembly 10 further comprises a sliding rail 17, the sliding rail 17 is arranged on the third mounting plate 53, and the sliding block 24 is arranged on the sliding rail 17 in a sliding manner. The sliding block 24 is matched with the sliding rail 17 and plays a guiding role in the process that the linear motion unit 22 drives the roller 21 to move.

The linear motion unit 22 includes an air cylinder, a cylinder body of which is fixed to the third mounting plate 53, and an expansion link of which is connected to the side plate 23.

Referring to fig. 3, the transfer assembly 30 includes a first motion module (not shown) and a second motion module 31, wherein the first motion module is used for driving the suction assembly 10 and the rolling assembly 20 to move in a horizontal direction. After the vacuum suction plate 11 sucks the protective film 200 from the feeding station, the protective film is transferred to the upper side of the film pasting platform 60 under the driving of the first motion module. The second motion module 31 is used for driving the absorption assembly 10 and the rolling assembly 20 to move up and down so as to approach or separate from the curved cover plate 300.

The working process of the film sticking device 100 is as follows:

(1) the power element 13 drives the auxiliary suction cup 12 to extend out, the auxiliary suction cup 12 adsorbs the edge area of the protective film 200, and the vacuum suction plate 11 adsorbs the central area of the protective film 200;

(2) the first motion module drives the vacuum suction plate 11 to move along the horizontal direction and reach the upper part of the camera module, the camera module takes the image of the protective film 200 and transmits the image to the control system, the control system calculates the deviation value of the positions of the protective film 200 and the curved cover plate 300 and sends a motion signal to the rotation unit 16, and the rotation unit 16 drives the vacuum suction plate 11 to deflect at a certain angle so as to realize the alignment of the protective film 200 and the curved cover plate 300;

(3) the power element 13 drives the auxiliary suction cup 12 to reset, the first motion module drives the vacuum suction plate 11 to move to the position above the film sticking platform 60, and the second motion module 31 drives the vacuum suction plate 11 to descend to be close to the curved surface cover plate 300;

(4) the linear motion unit 22 of the first rolling assembly 20a drives the roller 21 to press the protection film 200 onto the curved cover plate 300, and the film pasting platform 60 drives the curved cover plate 300 to move linearly to the right, so that the protection film 200 is gradually pasted with the planar portion 310 of the curved cover plate 300;

(5) after the planar portion 310 of the curved cover plate 300 is attached, referring to fig. 7, the rotating assembly 40 drives the first rolling assembly 20a to deflect in the direction along the pointer, so as to attach the protective film 200 to the first arc-shaped edge 321 of the curved cover plate 300;

(6) the rotating assembly 40 drives the first rolling assembly 20a to reset, and the film sticking platform 60 moves leftwards until the second arc-shaped edge 322 which is not stuck on the curved surface cover plate 300 is opposite to the second rolling assembly 20 b;

(7) referring to fig. 8, the linear motion unit 22 of the second rolling assembly 20b presses the roller 21 downward, and the rotating assembly 40 drives the second rolling assembly 20b to deflect counterclockwise, so that the protective film 200 is attached to the second arc-shaped edge 322 of the curved cover 300.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A film laminating apparatus, comprising:

adsorption component, including vacuum suction plate, auxiliary suction cup, power component, support and connecting block, power component is used for driving auxiliary suction cup is relative vacuum suction plate motion, so that auxiliary suction cup's adsorption plane with vacuum suction plate's adsorption plane flushes, the support with vacuum suction plate fixed connection, the connecting block with support sliding connection, the connecting block can be relative under power component's the drive the support removes, the moving direction of connecting block with vacuum suction plate's adsorption plane is formed with contained angle theta, 0 ≦ theta <30, auxiliary suction cup locates the tip of connecting block, auxiliary suction cup moves with the motion along vertical direction in step, vacuum suction plate border on in auxiliary suction cup's side is first surface, first surface with vacuum suction plate's adsorption plane's contained angle is less than 90, so as to avoid collision with the vacuum suction plate in the process of the movement of the auxiliary suction cup;

2. The film sticking device as claimed in claim 1, wherein the adsorption assembly further comprises a rotating unit, the rotating unit is used for driving the vacuum suction plate to rotate, and the rotating shaft direction of the rotating unit is perpendicular to the adsorption surface of the vacuum suction plate.

3. The film laminating device of claim 2, wherein the rotating assembly is a direct drive motor.

4. The film laminating device of claim 1, wherein the number of the rolling assemblies is 2, and 2 rolling assemblies are respectively arranged on two sides of the adsorption assembly.

5. The film laminating device of claim 1, wherein the rolling assembly comprises a roller and a linear motion unit, and the linear motion unit is used for driving the roller to approach or separate from the workpiece.

6. The film laminating device of claim 5, wherein the rolling assembly further comprises a side plate and a slide block arranged on the side plate, one end of the side plate is connected with the output end of the linear motion unit, the other end of the side plate is connected with the roller, the film laminating device further comprises a mounting seat and a slide rail, and the slide rail is arranged on the side surface of the mounting seat.

7. The film laminating device of claim 6, wherein the slide block is slidably disposed on the slide rail to guide the linear motion unit to drive the roller to move.

8. The film laminating apparatus of claim 5, wherein the linear motion unit comprises an air cylinder.

9. The film laminating device of claim 1, further comprising a transfer assembly, wherein the transfer assembly comprises a first motion module and a second motion module, the first motion module is used for driving the adsorption assembly and the rolling assembly to move in the horizontal direction, and the second motion module is used for driving the adsorption assembly and the rolling assembly to lift and lower.

10. The film laminating apparatus of claim 1, wherein the rotating assembly comprises a rotating motor and a speed reducer.