CN218034881U

CN218034881U - Metal film offset correction device

Info

Publication number: CN218034881U
Application number: CN202222228862.2U
Authority: CN
Inventors: 陈杰
Original assignee: LG Display Optoelectronics Technology China Co Ltd
Current assignee: LG Display Optoelectronics Technology China Co Ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2022-12-13
Anticipated expiration: 2032-08-23

Abstract

The utility model discloses a metal film offset correction device, which comprises a rotary platform, a detection mechanism and a film fixing mechanism, wherein the rotary platform comprises a platform body connected with a rotary driving piece, the platform body is horizontally arranged, the rotary driving piece is used for driving the platform body to rotate along the vertical central axis of the platform body, and a supporting surface for supporting a metal film to be corrected is arranged on the platform body; the detection mechanism is arranged above the platform body and comprises four cameras which are distributed in a rectangular shape and used for shooting the positions of four corners of the metal film; the film fixing mechanism is arranged on the platform body and used for flatly fixing the metal film on the supporting surface. The utility model discloses a metal film skew correcting unit simple structure, calibration time is short, and corrects the precision height.

Description

Metal film offset correction device

Technical Field

The utility model relates to a display device makes the field, especially relates to a metal film skew correcting unit.

Background

In the manufacturing process of the display panel, a metal film is adhered to the back side of the panel, the metal film is generally stacked in a specified area before being adhered, and when the film is required to be adhered, the metal film is adsorbed to the upper side of the panel by carrying a sucker group through a manipulator and then is subjected to film adhering treatment. Before film pasting, a metal film is generally subjected to offset correction, as shown in fig. 1 and 2, a metal film 2 'is placed on a buffer platform 1', a positioning area 11 'is arranged on the buffer platform 1', whether the metal film 2 'deflects relative to the buffer platform 1' is judged manually, that is, whether the metal film 2 'is completely positioned in the positioning area 11', if so, the metal film 2 'does not deflect, at the moment, a manipulator carries a sucker group to adsorb the metal film 2' to a panel for film pasting, if the metal film 2 'is not completely positioned in the positioning area 11', the metal film 2 'deflects, and at the moment, position adjustment of the metal film 2' needs to be performed by other manipulators. The prior art has the following defects: after the metal film 2' is deviated, the correction time is longer, and other mechanical hands are required to be occupied for assisting correction.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: provided is a metal film offset correction device which has a simple structure, a short correction time, and a high correction accuracy.

In order to achieve the purpose, the utility model adopts the following technical proposal:

provided is a metal film offset correction device including:

the rotary platform comprises a rotary driving piece and a platform body connected with the rotary driving piece, the platform body is horizontally arranged, the rotary driving piece is used for driving the platform body to rotate along the vertical central axis of the platform body, and a supporting surface for supporting a metal film to be corrected is arranged on the platform body;

the detection mechanism is arranged above the platform body and comprises four cameras which are distributed in a rectangular shape and used for shooting the positions of four corners of the metal film;

and the film fixing mechanism is arranged on the platform body and is used for flatly fixing the metal film on the supporting surface.

As a preferable scheme of the metal film offset correction device, the film fixing mechanism includes two film pressing plates disposed on the supporting surface at intervals, the two film pressing plates are disposed at two opposite ends of the metal film, and the film pressing plates and four corners of the metal film are disposed at intervals.

As a preferable embodiment of the metal film deviation correcting device, the squeeze film plate is rotatably disposed on the supporting surface, the squeeze film plate has a working position abutting against the metal film and a non-working position separated from the metal film, and when the squeeze film plate is rotated to the non-working position, the squeeze film plate is spaced on one side of the metal film.

As a preferred scheme of metal film skew correcting unit, the sunken holding tank that is provided with on the holding surface, press mold board is including the connecting portion that are the contained angle setting and support tight portion, support tight portion be used for with the metal film supports tightly, connecting portion through the pivot with this body coupling of platform, the pivot sets up the holding tank is close to on the cell wall of metal film, just the pivot is adjacent to the notch of holding tank, press mold board is located during the inoperative position, press mold board rotate extremely in the holding tank.

As a preferable scheme of the metal film deviation correction device, a rotating motor is arranged in the accommodating groove, and an output shaft of the rotating motor is connected with the rotating shaft to drive the rotating shaft to rotate around the axis of the rotating shaft.

As a preferable scheme of the metal film offset correction device, the film fixing mechanism includes a vacuum chamber, the vacuum chamber is arranged in the platform body, a plurality of suction holes are uniformly arranged on the supporting surface, the suction holes are communicated with the vacuum chamber, and the vacuum chamber is connected with a suction assembly through a gas pipe.

As an optimal scheme of the metal film deviation correction device, a base is arranged below the rotary platform, a stand column is arranged on the base, the upper end of the stand column extends to the upper portion of one side of the platform body, a support is arranged at the upper end of the stand column, and the camera is arranged on the support.

As a preferable scheme of the metal film offset correction device, two opposite sides of the rotating platform are respectively provided with one upright, the support comprises two beams arranged in parallel, the beams are horizontally arranged, the top of each upright is provided with one beam, and each beam is provided with two cameras at intervals.

As a preferred scheme of the metal film deviation correction device, two opposite sides of the cross beam are provided with slide rails, the length of each slide rail extends along the length direction of the cross beam, two slide blocks are arranged on the slide rails in a sliding manner, and each slide block is provided with one camera.

As a preferable mode of the metal film deviation correcting device, the bottom of the base is provided with wheels.

The utility model has the advantages that: the four cameras which are distributed in a rectangular shape are arranged above the platform body, so that when the four corners of the metal film can be shot by the four cameras respectively, the metal film is not subjected to position deviation, and when the metal film cannot be shot by one camera, the metal film is subjected to position deviation, the platform body is driven to rotate by the rotary driving piece, so that the platform body rotates to adjust the position of the metal film until the four corners of the metal film can be shot by the four cameras respectively; because the metal film is a film with thinner thickness, the bending condition can occur on the platform body, and the detection of the camera can be influenced by the condition, so that the metal film can be flatly laid on the supporting surface by the arrangement of the film fixing mechanism, and the detection and correction precision is further ensured.

Drawings

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

Fig. 1 is a state diagram of a conventional metal film offset correction (when the metal film is not offset).

Fig. 2 is a state diagram at the time of metal film offset correction of the related art (at the time of metal film offset).

Fig. 3 is a schematic structural diagram of a metal film offset correction apparatus according to an embodiment of the present invention.

Fig. 4 is an assembly diagram of the platform body and the film fixing mechanism according to an embodiment of the present invention.

Fig. 5 is an assembly diagram of the platform body and the film fixing mechanism according to another embodiment of the present invention.

Fig. 6 is an assembly diagram of a beam, a slide rail, a slider, and a camera according to another embodiment of the present invention.

In fig. 1 and 2:

1', a buffer platform; 11', a counterpoint region; 2', a metal film.

In fig. 3 to 6:

1. rotating the platform; 11. a rotary drive member; 12. a platform body; 121. a support surface; 122. accommodating grooves; 2. a camera; 3. a film fixing mechanism; 31. a film pressing plate; 311. a connecting portion; 312. a tightening part; 32. a rotating shaft; 33. a vacuum chamber; 34. a suction hole; 35. an air tube; 36. an air extraction assembly; 4. a base; 5. a column; 6. a cross beam; 7. a slide rail; 8. a slider; 9. a wheel; 10. buffering foam;

100. a metal film.

Detailed Description

The advantages and features of the present invention and the methods of accomplishing the same will become apparent with reference to the following detailed description of the embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and the embodiments are provided only to accomplish the disclosure of the present invention and to enable those skilled in the art to sufficiently understand the scope of the present invention, and the present invention is limited only by the scope of the claims. Like reference numerals denote like constituent elements throughout the specification.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 3, the utility model discloses a metal film skew correcting unit, the skew correction process before the mainly used metal film 100 pad pasting, metal film 100 from range upon range of position of stacking transfer to this metal film skew correcting unit after, proofread the position, make the position after not having the skew completely, remove the position to the panel pad pasting again and carry out the pad pasting operation.

Specifically, as shown in fig. 3, the metal film deviation correction device includes a rotary platform 1, a detection mechanism, and a film fixing mechanism 3, wherein the rotary platform 1 includes a platform body 12 having a rotary driving member 11 connected to the rotary driving member 11, the platform body 12 is horizontally disposed, the rotary driving member 11 is used for driving the platform body 12 to rotate along a vertical central axis of the platform body 12, and a supporting surface 121 for supporting the metal film 100 to be corrected is disposed on the platform body 12; the detection mechanism is arranged above the platform body 12 and comprises four cameras 2 which are distributed in a rectangular shape, and the four cameras 2 are used for shooting the four corners of the metal film 100; the film fixing mechanism 3 is disposed on the platform body 12, and the film fixing mechanism 3 is used for flatly fixing the metal film 100 on the supporting surface 121. By arranging the four cameras 2 which are distributed in a rectangular shape above the platform body 12, the position of the metal film 100 can be shot, when the four corners of the metal film 100 can be shot by the four cameras 2 respectively, at this time, it is indicated that the metal film 100 has no position deviation, and when only one camera 2 cannot shoot the metal film 100, it is indicated that the metal film 100 has the position deviation, at this time, the rotary driving piece 11 drives the platform body 12 to rotate, so that the platform body 12 rotates to adjust the position of the metal film 100 until the four corners of the metal film 100 can be shot by the four cameras 2 respectively; since the metal film 100 is a thin film, the platform body 12 may be bent, which may affect the detection of the camera 2, and the film fixing mechanism 3 may lay the metal film 100 on the supporting surface 121 smoothly, thereby ensuring the detection and correction accuracy.

In this embodiment, the rotary driving member 11 is a rotary motor, and an output shaft of the rotary motor is connected to a central position of the lower surface of the platform body 12. Certainly not being restricted to adopting the rotating electrical machines to drive platform body 12 rotatory, can also realize through other drive structures, for example, motor and belt transmission's structure, the lower surface of platform body 12 sets up the rotation axis, the lower extreme of rotation axis passes through the bearing and rotates with the mounted position to be connected, the fixed driving wheel that sets up on the rotation axis, the motor sets up in one side from the driving wheel, the output axle head of motor sets up the action wheel, the action wheel passes through the belt with follow the driving wheel and connects, when the motor drive action wheel rotates, the action wheel passes through the belt and drives from the driving wheel rotation, drive the rotation axis rotation from the driving wheel, and then make platform body 12 rotate in order to adjust the position of metallic film 100.

In one embodiment, as shown in fig. 3 and 4, the film fixing mechanism 3 includes two film pressing plates 31 disposed on the supporting surface 121 at intervals, the two film pressing plates 31 are disposed at two opposite ends of the metal film 100, and the film pressing plates 31 are disposed at intervals with four corners of the metal film 100. Through setting up the lamination board 31, can push down the metallic film 100 from the relative both ends of metallic film 100 for platform body 12 can not make the metallic film 100 take place for the removal of platform body 12 before rotatory with rotatory, and the lamination board 31 can also flatten crooked metallic film 100, guarantees that the whole laminating of metallic film 100 can be levelly and smoothly on the holding surface 121 of platform body 12.

In the present embodiment, the squeeze film plate 31 is rotatably disposed on the supporting surface 121, the squeeze film plate 31 has an operating position abutting against the metal film 100 and a non-operating position separated from the metal film 100, and when the squeeze film plate 31 is rotated to the non-operating position, the squeeze film plate 31 is spaced at one side of the metal film 100. By providing the squeeze film plate 31 to rotate, the squeeze film plate 31 can be prevented from obstructing the transfer of the metal film 100.

Further, the support surface 121 is provided with an accommodating groove 122 in a recessed manner, the film pressing plate 31 includes a connecting portion 311 and a fastening portion 312, which are arranged at an included angle, the fastening portion 312 is used for fastening with the metal film 100, the connecting portion 311 is connected with the platform body 12 through the rotating shaft 32, the rotating shaft 32 is arranged on a groove wall of the accommodating groove 122 close to the metal film 100, the rotating shaft 32 is adjacent to a notch of the accommodating groove 122, and when the film pressing plate 31 is located at a non-working position, the film pressing plate 31 rotates into the accommodating groove 122. By arranging the accommodating groove 122, the lamination plate 31 can be completely hidden in the platform body 12 when in a non-working position, and the collision of the edge of the metal film 100 with the lamination plate 31 when the metal film is transferred is completely avoided.

Preferably, a rotating motor is arranged in the accommodating groove 122, and an output shaft of the rotating motor is connected with the rotating shaft 32 to drive the rotating shaft 32 to rotate around the axis of the rotating shaft. Through setting up the rotating electrical machines, can the automatic drive pressure membrane board 31 rotate and realize compressing tightly metal film 100 or separate with metal film 100, reduce the operation degree of difficulty, and the rotating electrical machines can also provide the packing force for pressure membrane board 31, namely after the rotating electrical machines rotated to the position, the rotation was stopped, can keep at current position, if pressure membrane board 31 was supported when pressing at the upper surface of metal film 100 this moment, the rotating electrical machines kept pressure membrane board 31 motionless this moment, can guarantee that pressure membrane board 31 supports the upper surface at metal film 100 all the time.

Of course, the rotation of the squeeze film plate 31 is not limited to the rotation of the squeeze film plate 31 driven by the rotating motor, and the squeeze film plate 31 may be rotated manually, that is, when the metal film 100 is transferred onto the platform body 12, the operator manually rotates the squeeze film plate 31 to make the squeeze film plate 31 abut against the upper surface of the metal film 100 by its own weight. In addition, a torsion spring may be additionally provided, and the elastic force of the torsion spring is used to increase the acting force of the film pressing plate 31 against the upper surface of the metal film 100. Specifically, the torsional spring cover is established on pivot 32, one of them arm of elasticity of torsional spring is connected with pressure membrane board 31, another arm of elasticity is connected with platform body 12, the torsional spring has drive pressure membrane board 31 all the time and rotates (rotate towards the operating position of pressure membrane board 31 promptly) towards one side that compresses tightly metal film 100, when pressure membrane board 31 rotates to the non-operating position, can set up the locking piece and lock pressure membrane board 31 at the non-operating position, avoid external force to withdraw from back pressure membrane board 31 and get back to operating position under the effort of torsional spring.

In addition, in order to avoid the rigid collision between the squeeze film plate 31 and the metal film 100, the buffer foam 10 is disposed on the abutting portion 312 of the squeeze film plate 31, and the buffer foam 10 is in direct contact with the metal film 100, so as to avoid the surface of the metal film 100 from being scratched or pressed and deformed by the squeeze film plate 31. Preferably, the cushion foam 10 is adhered to the fastening portion 312 by an adhesive. The fixing of the buffering foam 10 in the sticking mode is simple to operate and convenient to replace. Of course, the fixing method is not limited to the adhering method for fixing the cushion foam 10, and other fixing methods may be adopted, for example, the fixing method may be a screw fixing method, a hook and loop fastening method, or the like.

As shown in fig. 5, the film fixing mechanism 3 is not limited to the structure of the film pressing plate 31 of the above embodiment, and may also be a structure of vacuum adsorption fixing, specifically, the film fixing mechanism 3 includes a vacuum chamber 33, the vacuum chamber 33 is disposed in the platform body 12, a plurality of suction holes 34 are uniformly formed on the supporting surface 121, the suction holes 34 are communicated with the vacuum chamber 33, and the vacuum chamber 33 is connected to the air suction assembly 36 through an air pipe 35. When the vacuum cavity 33 is evacuated by the evacuation component 36, the metal film 100 is adsorbed by the suction holes 34 communicated with the vacuum cavity 33, so that the metal film 100 is fixed on the supporting surface 121, the suction force of the uniformly distributed suction holes 34 is uniform, the metal film 100 can be smoothly attached to the supporting surface 121, after the position of the metal film 100 is adjusted, the evacuation component 36 conveys a certain amount of air into the vacuum cavity 33, the adsorption force of the suction holes 34 on the metal film 100 is relieved, and at the moment, the manipulator can easily transfer the metal film 100 to the position of the panel pasting film by carrying the suction cup group.

In one embodiment, as shown in fig. 3, a base 4 is disposed below the rotary platform 1, a column 5 is disposed on the base 4, an upper end of the column 5 extends above one side of the platform body 12, a bracket is disposed at an upper end of the column 5, and the camera 2 is disposed on the bracket. Through setting up base 4, camera 2 passes through support and stand 5 to be fixed on base 4, and rotary platform 1 also sets up on base 4, makes whole metal film skew correcting unit modularization, is convenient for remove to the arbitrary position that needs the detection.

Preferably, in order to further improve the convenience of moving the metal film offset correction device, the bottom of the base 4 is further provided with wheels 9, and the wheels 9 can be provided with brakes, so that the metal film offset correction device can be fixed after being moved to the right position, and the influence on the accuracy of shooting by the camera 2 and rotating and adjusting the rotating platform 1 is reduced.

In this embodiment, two opposite sides of the rotating platform 1 are respectively provided with a stand column 5, the bracket comprises two parallel beams 6, the beams 6 are horizontally arranged, the top of each stand column 5 is provided with one beam 6, and two cameras 2 are arranged on each beam 6 at intervals. By arranging two horizontal beams 6 which are parallel to each other, each beam 6 supports two cameras 2, the structure of the bracket is simplified, the two beams 6 are not connected, and the area where the metal film 100 is placed and transferred is located between the two beams 6, so that the position interference generated in the transfer of the metal film 100 can be avoided.

In one embodiment, as shown in fig. 6, two opposite sides of the two beams 6 are provided with a slide rail 7, a length of the slide rail 7 extends along a length direction of the beam 6, two sliders 8 are slidably disposed on the slide rail 7, and each slider 8 is provided with one camera 2. By arranging the slide rail 7 and the slider 8, the distance between the two cameras 2 on each beam 6 can be adjusted to detect the metal films 100 of different widths.

In addition, the vertical columns 5 may be provided in a movable structure with respect to the base 4 so that the two vertical columns 5 can be moved toward and away from each other by an adjustment distance to fit different lengths of the metal film 100. Specifically, set up the horizontal track along the length direction of metallic film 100 on base 4, the lower extreme of two stands 5 all slides and sets up on this horizontal track, the one end of horizontal track sets up driving motor, be provided with the drive lead screw on driving motor's the output shaft, set up the screw thread section that both ends screw thread revolves to opposite on the drive lead screw, set up the screw hole that supplies the drive lead screw to pass on two stands 5, the drive lead screw passes behind two screw holes and rotates with the support of taking the bearing to be connected, when driving motor started, can drive the drive lead screw and rotate, and then make two stands 5 relative or back of the body mutually move, with the distance of two stands 5 apart from platform body 12 centers that change simultaneously, realize the equidistant removal of two stands 5.

In other embodiments, only one upright 5 may be driven to move to adjust the distance between two uprights 5.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above embodiments, but may be manufactured in various forms, and those skilled in the art will understand that the present invention may be embodied in other specific forms without changing the technical spirit or essential features of the invention. It is therefore to be understood that the above described embodiments are illustrative and not restrictive in all respects.

Claims

1. A metal film offset correction apparatus, comprising:

and the film fixing mechanism is arranged on the platform body and used for flatly fixing the metal film on the supporting surface.

2. The metal film deviation correcting device according to claim 1, wherein the film fixing mechanism includes two film pressing plates disposed at intervals on the supporting surface, the two film pressing plates are disposed at opposite ends of the metal film, respectively, and the film pressing plates are disposed at intervals from four corner positions of the metal film.

3. The metal film displacement correcting apparatus according to claim 2, wherein the squeeze film plate is rotatably disposed on the support surface, the squeeze film plate has an operating position abutting against the metal film and a non-operating position separated from the metal film, and the squeeze film plate is spaced apart on one side of the metal film when the squeeze film plate is rotated to the non-operating position.

4. The metal film deviation correcting device of claim 3, wherein the supporting surface is concavely provided with a receiving groove, the pressing plate includes a connecting portion and a tightening portion arranged at an included angle, the tightening portion is used for tightening the metal film, the connecting portion is connected to the platform body through a rotating shaft, the rotating shaft is arranged on a groove wall of the receiving groove close to the metal film, the rotating shaft is adjacent to a notch of the receiving groove, and when the pressing plate is located at the non-working position, the pressing plate rotates into the receiving groove.

5. The metal film deviation correcting device of claim 4, wherein a rotating motor is disposed in the accommodating groove, and an output shaft of the rotating motor is connected with the rotating shaft to drive the rotating shaft to rotate around its axis.

6. The metal film offset correction device of claim 1, wherein the film fixing mechanism comprises a vacuum chamber, the vacuum chamber is formed in the platform body, a plurality of suction holes are uniformly formed in the supporting surface, the suction holes are communicated with the vacuum chamber, and the vacuum chamber is connected with a suction assembly through a gas pipe.

7. The metal film deviation correcting device according to any one of claims 1 to 6, wherein a base is disposed below the rotary platform, a column is disposed on the base, an upper end of the column extends above one side of the platform body, a bracket is disposed on an upper end of the column, and the camera is disposed on the bracket.

8. The metal film deviation correcting device of claim 7, wherein two opposite sides of the rotating platform are respectively provided with one of the pillars, the bracket comprises two beams arranged in parallel, the beams are horizontally arranged, one beam is arranged at the top of each pillar, and two cameras are arranged on each beam at intervals.

9. The metal film offset correction apparatus according to claim 8, wherein two opposite sides of the cross beam are each provided with a slide rail, a length of each slide rail extends along a length direction of the cross beam, and two sliders are slidably disposed on the slide rails, and each slider is provided with one camera.

10. The metal film displacement correction device of claim 7, wherein the bottom of the base is provided with wheels.