CN110497606A - Seamless gradual change automatic bending machine - Google Patents

Abstract

The invention discloses a non-trace gradual automatic bending mechanism, which is mainly used for bending COP and COF of OLED flexible panels, so that COP, COF bending and Panel flexible panels can pass through Foam double-sided Adhesive fit. The R angle of COP and COF bending is completed by controlling the movement of relevant mechanical parts through the fixed trajectory parameters set by the computer program. The bending action is a smooth arc bending, and the R angle of the bending can be automatically adjusted according to the size of the product, that is, there is no crack or damage in the bending area, no peeling phenomenon of the flexible panel, and no imprinting phenomenon in the pressing area. The R-angle accuracy of the bending is about ±0.05um. Using CCD to automatically locate and detect the bending R-angle data can make the whole bending process without manual operation, automatically and quickly complete the entire bending process of the product, and ensure the high quality of the product.

Description

Seamless Gradient Automatic Bending Mechanism

technical field

The invention relates to the field of automation equipment, in particular to a traceless gradual automatic bending mechanism.

Background technique

With the rapid development of technology in the electronic industry, OLED can emit light by itself, and its relatively simple structure can realize high flexibility, thin and transparent display, fast operation speed, high photoelectric conversion rate, high contrast, low heat generation, energy saving and other characteristics. OLED is widely used in Full-screen mobile phones and flexible folding screen mobile phones, VR devices and wearable devices.

Since then, the present invention has developed a brand new non-marking bending mechanism for the bending of COP, COF, etc. of OLED flexible panels.

Contents of the invention

Aiming at the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a seamless and gradual automatic bending mechanism. The purpose of designing the automatic bending mechanism is to automatically and quickly complete the entire bending of the product without manual operation. process to ensure high-quality production of products.

In order to solve the above-mentioned technical problems, the present invention is realized through the following scheme: the automatic bending mechanism with no trace and gradual change of the present invention includes:

A product placement platform assembly, including an XYZ three-axis drive mechanism and a first θ-axis rotation mechanism that is arranged on the top movable part of the three-axis drive mechanism and is driven by the XYZ three-axis drive mechanism to move in the XYZ three-axis direction. The stage at the upper end of the first θ-axis rotation mechanism is provided with a first vacuum adsorption structure for absorbing the flexible panel, and the product placement platform assembly also includes a rotatable An upper turnover mechanism, the upper turnover mechanism is provided with a second vacuum adsorption structure for absorbing the COP package and rotating the COP package by an angle;

A correction assembly is arranged above the product placement platform assembly through a support frame, which includes two sets of CCD visual detection devices, one of which is used for the CCD visual detection device of flexible panel alignment correction, and the other A set of CCD visual detection devices is used to detect the R angle of the product after bending, and each of the two sets of CCD visual detection devices is equipped with a second X-axis drive mechanism that drives it to move in the X-axis;

A bending assembly, which is arranged on the adjacent side of the product placement platform assembly, and is provided with a bending part, a YZ adjustment mechanism for driving the bending part to adjust the YZ direction, and a device for fine-tuning the bending part rotating mechanism.

Further, the XYZ three-axis driving mechanism includes a first X-axis driving mechanism, a first Y-axis driving mechanism and a first Z-axis driving mechanism, the first Y-axis driving mechanism is arranged at the bottom, and a first X shaft drive mechanism and drives the first X-axis drive mechanism to move in the X-axis direction, and the upper end of the first X-axis drive mechanism is provided with a first Z-axis drive mechanism and drives the first Z-axis drive mechanism to make the Y-axis To move, the driving end of the first Z-axis drive mechanism up and down is connected to the first θ-axis rotation mechanism, and the rotation axis of the first θ-axis rotation mechanism is connected to the stage upwards, and the first Z-axis The seat body of the shaft drive mechanism is also fixed with an upper turnover mechanism.

Furthermore, the first X-axis driving mechanism, the first Y-axis driving mechanism and the first Z-axis driving mechanism all drive the screw on the screw to move through the rotation of the screw by the servo motor.

Furthermore, the first θ-axis rotating mechanism includes a θ-axis rotating motor and a reducer connected to the 0-axis rotating motor, the upper end of the rotating shaft of the reducer is connected to the stage, which is used to adjust the angle of the stage .

Further, the upper flap mechanism includes an upper flap, a second vacuum adsorption structure and a swing cylinder, the upper flap is pivotally connected to a limit block, and its shaft joint is connected to the driving end of the swing cylinder, The connecting end of the upper flap is provided with a limit shaft and the limit shaft is inserted on the limit arc hole on the limit block, and the upper flap is provided with a vacuum hole and the vacuum hole is connected to the second The vacuum adsorption structure is connected.

Furthermore, the side of the seat body of the first Z-axis drive mechanism is also provided with a supporting plate mechanism, the supporting plate mechanism includes a motor and an L-shaped supporting plate, and the L-shaped supporting plate is connected to the motor through a connecting block. The drive end is connected, the motor is fixed on the side of the seat body of the first Z-axis drive mechanism through the motor seat, and the L-shaped support plate is arranged above the stage at an angle.

Further, two sets of second X-axis driving mechanisms are arranged in parallel on the top of the support frame, which drive the screw to move in the X-axis through the CCD servo motor to drive the screw to rotate, and the screw is connected to the downward-facing CCD camera through the connector .

Further, the bending assembly includes:

The second Y-axis driving mechanism arranged at the bottom, the second Y-axis driving mechanism includes a servo motor and a screw mandrel, the screw mandrel is arranged in the screw mandrel installation box, the driving end of the servo motor is connected to the screw mandrel, and the screw mandrel is screwed with screw block;

The UVW platform correction mechanism is fixed on the screw block, and a fine-tuning drive device for the UVW coordinate position is arranged on it;

The second Z-axis driving mechanism is fixed on the platform of the UVW platform correction mechanism, its driving part is a Z-axis servo motor, and the driving end of the Z-axis servo motor is connected to the screw rod upward;

The bending part includes a bending indenter and a rotating mechanism that drives the bending indenter to rotate. The rotating mechanism includes a second θ-axis rotating mechanism, which is connected to the screw rod on the Z-axis servo motor through a sliding part, which slides The part is slid on a vertical double slide rail, and the vertical double slide rail is fixed on the shell of a control part. The Z-axis servo motor drives the screw to rotate to drive the second θ-axis rotation mechanism to perform lifting movement. The first The driving end of the two-theta-axis rotating mechanism is connected to the bending press head, and the bending press head extends to the bending station.

Further, the bending assembly also includes an FPC adjustment mechanism, the FPC adjustment mechanism is fixed on the rear mounting plate of the second θ-axis rotation mechanism through a connecting plate, and an air cylinder is arranged on it and driven by the air cylinder. The FPC adjustment part of the end connection.

Furthermore, the bending head is provided with a third vacuum adsorption structure.

Compared with the prior art, the beneficial effects of the present invention are: the seamless gradual automatic bending mechanism of the present invention is mainly used in the bending of COP and COF of OLED flexible panels, so that COP, COF bending and Panel flexible panels pass through Foam The double-sided tape fits together. The R angle of COP and COF bending is completed by controlling the movement of relevant mechanical parts through the fixed trajectory parameters set by the computer program. The bending action is a smooth arc bending, and the R angle of the bending can be automatically adjusted according to the size of the product, that is, there is no crack or damage in the bending area, no peeling phenomenon of the flexible panel, and no imprinting phenomenon in the pressing area. The R-angle accuracy of the bending is about ±0.05um. Using CCD to automatically locate and detect the bending R-angle data can make the whole bending process without manual operation, automatically and quickly complete the entire bending process of the product, and ensure the high quality of the product.

Description of drawings

Fig. 1 is a schematic structural diagram of the product placement platform assembly of the present invention.

Fig. 2 is a schematic structural diagram of the calibration assembly of the present invention.

Fig. 3 is a structural diagram of the bending assembly of the present invention.

FIG. 4 is a schematic structural view of the assembled three components of FIG. 1 to FIG. 3 of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention, so that the advantages and characteristics of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention Make a clearer definition. Apparently, the described embodiments of the present invention are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically or electrically connected; it can be directly connected, or indirectly connected through an intermediary, or it can be the internal communication of two components, which can be wireless or wired connect. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as there is no conflict with each other.

Embodiment 1, the concrete structure of the present invention is as follows:

Please refer to the accompanying drawings 1-4, a seamless gradual automatic bending mechanism of the present invention, including:

A product placement platform assembly 100, including an XYZ three-axis drive mechanism and a first θ-axis rotation mechanism 4 arranged at the top movable part of the three-axis drive mechanism and driven by the XYZ three-axis drive mechanism to move in the XYZ three-axis direction 1. The stage arranged on the upper end of the first θ-axis rotation mechanism 4, the stage is provided with a first vacuum adsorption structure for absorbing the flexible panel, and the product placement platform assembly 100 also includes a A side and rotatable upper turnover mechanism 5, the upper turnover mechanism is provided with a second vacuum adsorption structure for absorbing the COP package and rotating the COP package at an angle;

A correction assembly 200 is arranged above the product placement platform assembly 100 through a support frame 7, which includes two sets of CCD visual detection devices, wherein one set of CCD visual detection devices is used for CCD visual detection of flexible panel alignment correction device, another group of CCD visual detection devices is used to detect the R angle of the product after bending and forming, and each of the two groups of CCD visual detection devices is equipped with a second X-axis drive mechanism that drives it to move in the X-axis;

A bending assembly 300, which is arranged on the adjacent side of the product placement platform assembly 100, is provided with a bending part, a YZ adjustment mechanism for driving the bending part to adjust the YZ direction, and a micro adjustment mechanism for the bending part. Adjustable swivel mechanism.

A preferred technical solution of this embodiment: the XYZ three-axis drive mechanism includes a first X-axis drive mechanism 2, a first Y-axis drive mechanism 1, and a first Z-axis drive mechanism 3, and the first Y-axis drive mechanism 1 is set at the bottom, and its upper end is provided with a first X-axis drive mechanism 2 to drive the first X-axis drive mechanism 2 to move in the X-axis direction, and the upper end of the first X-axis drive mechanism 2 is provided with a first Z-axis drive mechanism mechanism 3 and drives the first Z-axis drive mechanism 3 to move in the Y-axis direction, the driving end of the first Z-axis drive mechanism 3 is connected to the first θ-axis rotation mechanism 4, and the first θ The shaft rotation mechanism 4 is connected to the platform with its rotation shaft facing upwards, and an upper turnover mechanism 5 is fixed on the base of the first Z-axis driving mechanism 3 .

A preferred technical solution of this embodiment: the first X-axis driving mechanism 2, the first Y-axis driving mechanism 1, and the first Z-axis driving mechanism 3 all drive the screw on the screw to move through the rotation of the screw by the servo motor .

A preferred technical solution of this embodiment: the first θ-axis rotating mechanism 4 includes a θ-axis rotating motor and a reducer connected to the 0-axis rotating motor, the upper end of the rotating shaft of the reducer is connected to the stage, It is used to adjust the stage angle.

A preferred technical solution of this embodiment: the upper flap mechanism 5 includes an upper flap, a second vacuum adsorption structure and a swing cylinder, the upper flap is pivotally connected to a limit block, and its shaft connection The driving end of the swing cylinder, the connecting end of the upper flap is provided with a limit shaft and the limit shaft is inserted into the limit arc hole on the limit block, and the upper flap is provided with a vacuum hole and the vacuum hole communicates with the second vacuum adsorption structure.

A preferred technical solution of this embodiment: the side of the seat body of the first Z-axis drive mechanism 3 is also provided with a supporting plate mechanism 6, the supporting plate mechanism 6 includes a motor and an L-shaped supporting plate, and the L-shaped supporting plate The supporting plate is connected with the driving end of the motor through the connecting block, and the motor is fixed on the side of the seat body of the first Z-axis driving mechanism 3 through the motor seat, and the L-shaped supporting plate is arranged at an angle on the stage above.

A preferred technical solution of this embodiment: two sets of second X-axis driving mechanisms are arranged in parallel on the top of the support frame 7, which drive the screw to rotate through the CCD servo motor 9 to drive the screw to move in the X-axis, and the screw to move in the X direction. The viewing angle is connected to the CCD camera 8 facing downwards through a connecting piece.

A preferred technical solution of this embodiment: the bending assembly 300 includes:

The second Y-axis driving mechanism 10 arranged at the bottom, the second Y-axis driving mechanism 10 includes a servo motor and a screw mandrel, the screw mandrel is arranged in the screw mandrel installation box, the driving end of the servo motor is connected to the screw mandrel, and the screw mandrel is mounted on the screw mandrel. Connected with screw block;

The UVW platform correction mechanism 11 is fixed on the screw block, and a fine-tuning driving device for the UVW coordinate position is arranged on it;

The second Z-axis driving mechanism 12 is fixed on the platform of the UVW platform correction mechanism 11, its driving part is a Z-axis servo motor, and the driving end of the Z-axis servo motor is connected to the screw rod upward;

The bending part includes a bending indenter and a rotating mechanism that drives the bending indenter to rotate. The rotating mechanism includes a second θ-axis rotating mechanism 13, which is connected to the screw rod on the Z-axis servo motor through a sliding part. The sliding part is slid on a vertical double slide rail, and the vertical double slide rail is fixed on the shell of a control part. The Z-axis servo motor drives the screw to rotate to drive the second θ-axis rotation mechanism 13 to perform lifting movement. The driving end of the second θ-axis rotating mechanism 13 is connected to the bending indenter, and the bending indenter extends to the bending station.

A preferred technical solution of this embodiment: the bending assembly 300 also includes an FPC adjustment mechanism 14, and the FPC adjustment mechanism 14 is fixed on the rear mounting plate of the second θ-axis rotation mechanism 13 through a connecting plate , which is provided with a cylinder and an FPC regulator connected to the drive end of the cylinder.

A preferred technical solution of this embodiment: the bending head is provided with a third vacuum adsorption structure.

Embodiment 2: Take OLED flexible panel as an example.

1. Place the OLED flexible panel on the stage, and absorb the OLED flexible panel through the first vacuum adsorption structure on the stage to fix it;

2. One of the CCD cameras 8 positions the OLED flexible panel before attaching;

3. The direction of the XYZ three-axis drive mechanism adjusts the position of the carrier and the OLED flexible panel on the carrier through the servo motor and the screw;

4. The first θ-axis rotation mechanism 4 corrects and adjusts the angle of the horizontal plane of the stage and the flexible OLED panel through the servo motor and the reducer;

5. The swing cylinder brings the upper flap and starts the second vacuum adsorption structure to absorb the COP package and rotate 270 degrees;

6. The bending part on the bending assembly turns over with the bending pressure head and performs alignment handover with the upper turnover plate through the third vacuum adsorption structure, so that the COP package on the upper turnover plate is adsorbed to the bending pressure. head;

7. The swing cylinder takes the upper flap and reverses 270 degrees to retreat to avoid the empty position;

8. The second Y-axis driving mechanism 10, the second Z-axis driving mechanism 12, and the UVW platform correction mechanism 11 perform interpolation and correction on the bending indenter, and then the product is bent and formed;

9. After the CCD camera 8 detects the bent R angle, the cylinder on the bending part drives the bending pressure head to press the bent COP package with the OLED flexible panel, so that the COP package passes through the Foam double-sided The glue is attached to the OLED flexible panel.

10. Repeat steps 1-9 to make the bending and bonding cycle.

To sum up, the non-trace gradual automatic bending mechanism of the present invention is mainly used for bending the COP and COF of the OLED flexible panel, so that the COP, COF bending and the Panel flexible panel are bonded together through Foam double-sided adhesive. The R angle of COP and COF bending is completed by controlling the movement of relevant mechanical parts through the fixed trajectory parameters set by the computer program. The bending action is a smooth arc bending, and the R angle of the bending can be automatically adjusted according to the size of the product, that is, there is no crack or damage in the bending area, no peeling phenomenon of the flexible panel, and no imprinting phenomenon in the pressing area. The R-angle accuracy of the bending is about ±0.05um. Using CCD to automatically locate and detect the bending R-angle data can make the whole bending process without manual operation, automatically and quickly complete the entire bending process of the product, and ensure the high quality of the product.

Using the seamless gradient automatic bending mechanism of the present invention, the COP, COF bending and FOAM bonding process of the OLED flexible panel can be quickly completed, and the position of the OLED flexible panel is automatically corrected in all directions through the CCD camera to ensure that the product is in the process of bending and bending. There is no flaw in the FOAM bonding process, and the success rate of product bending is 100%. The whole process does not require manual operation, and the entire process is automatically set. If you need to replace a new product, you only need to set the program and replace the parts related to the product. Replacement of components, so that new products can be produced quickly to meet the needs of customers for various styles of products. Greatly improve production efficiency and reduce production costs.

The above is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related All technical fields are equally included in the scope of patent protection of the present invention.

Claims (10)

1. seamless gradual change automatic bending machine characterized by comprising

One product placement platform component (100) includes XYZ Three-axis drive mechanism and is arranged on Three-axis drive mechanism top End movable part simultaneously drives the one 0 axis rotating mechanism (4) for being XYZ tri- and moving axially, setting to exist by XYZ Three-axis drive mechanism The microscope carrier of first θ axis rotating mechanism (4) upper end, the microscope carrier are provided with the first vacuum suction knot for adsorption flexible panel Structure, the product placement platform component (100) further include a flap mechanism that the microscope carrier side is arranged in and is able to rotate (5), which is equipped with the second vacuum suction structure and is used to adsorb COP packaging part and the COP packaging part is rotated one A angle；

One correction component (200), by a support frame (7) setting in the top of the product placement platform component (100), packet Two groups of CCD vision inspection apparatus are included, wherein one group of CCD vision inspection apparatus is for flexible panel to the CCD vision of bit correction Detection device, another group of CCD vision inspection apparatus is for detecting the angle product R after bending and molding, two groups of CCD vision inspections It surveys device and is each provided with its second X-axis driving mechanism for doing X axis movement of driving；

One foldable component (300), setting which is provided with bending part, driving in the adjacent side of the product placement platform component (100) The bending part makees the rotating mechanism that YZ does micro-adjustment to the YZ adjustment mechanism of adjustment and to the bending part.

2. seamless gradual change automatic bending machine according to claim 1, which is characterized in that XYZ Three-axis drive mechanism Including the first X-axis driving mechanism (2), the first Y-axis driving mechanism (1) and the first Z axis driving mechanism (3), first Y-axis is driven In bottom, the upper end is arranged the first X-axis driving mechanism (2) and drives the first X-axis driving mechanism (2) for motivation structure (1) setting It is mobile to do X axis, the upper end of the first X-axis driving mechanism (2) is provided with the first Z axis driving mechanism (3) and drives described the One Z axis driving mechanism (3) is done Y-axis and is moved, described in the driving end connection of the oscilaltion of the first Z axis driving mechanism (3) First θ axis rotating mechanism (4), the first θ axis rotating mechanism (4) rotary shaft connect the microscope carrier upward, and first Z axis drives Also side is fixed with flap mechanism (5) on the pedestal of motivation structure (3).

3. seamless gradual change automatic bending machine according to claim 2, which is characterized in that the first X-axis driving mechanism (2), the first Y-axis driving mechanism (1) and the first Z axis driving mechanism (3) drive screw rod rotation drive silk by servo motor Spiral shell block is mobile on bar.

4. seamless gradual change automatic bending machine according to claim 2, which is characterized in that the first θ axis rotating mechanism (4) speed reducer for including a θ axis rotating electric machine and being connect with the θ axis rotating electric machine, the rotary shaft upper end of the speed reducer Microscope carrier is connected, is used to adjust microscope carrier angle.

5. seamless gradual change automatic bending machine according to claim 1 or 2, which is characterized in that the flap mechanism (5) Including flap, the second vacuum suction structure and oscillating cylinder, the board shaft that turns over is connect on a limited block, and axis part connects The driving end of the oscillating cylinder is connect, the connecting pin end of the flap is provided with limit shaft and the limit shaft is plugged in limit On limit arc hole on block, vacuum hole is provided on the flap and the vacuum hole and the second vacuum suction fabric connectivity.

6. seamless gradual change automatic bending machine according to claim 2, which is characterized in that the first Z axis driving mechanism (3) pedestal side is additionally provided with supporting plate mechanism (6), and the supporting plate mechanism (6) includes motor and L-type supporting plate, the L-type supporting plate It is connect by link block with the driving end of the motor, motor is installed in the pedestal of the first Z axis driving mechanism (3) by motor base Side, it is described to state the angled top that the microscope carrier is set of L-type supporting plate.

7. seamless gradual change automatic bending machine according to claim 1, which is characterized in that two group of second X-axis driving mechanism Parallel setting on the top of support frame (7), pass through CCD servo motor (9) drive screw rod rotation drive spiral shell block do X axis Mobile, spiral shell block connects visual angle CCD camera (8) downward by connector.

8. seamless gradual change automatic bending machine according to claim 1, which is characterized in that foldable component (300) packet It includes:

Second Y-axis driving mechanism (10) arranged at the bottom, the second Y-axis driving mechanism (10) includes servo motor and silk Bar, screw rod are arranged in screw rod mounting box, and servo motor drives end connection wire rod, are bolted with spiral shell block on screw rod；

UVW platform correction mechanism (11) is fixed on the spiral shell block, is provided with the fine tuning driving device of UVW coordinate position；

Second Z axis driving mechanism (12) is fixed on the platform of the UVW platform correction mechanism (11), and driving portion is watched for Z axis Take motor, the driving end of Z axis servo motor connection wire rod upward；

Bending part, the rotating mechanism including bending pressure head and driving bending pressure head rotation, the rotating mechanism includes the 2nd θ axis Rotating mechanism (13) is connect by a sliding part with the screw rod on Z axis servo motor, and sliding part, which is slipped, is vertically arranged double cunnings one On rail, this is vertically arranged double sided slider bar and is fixed on a control unit shell, and the Z axis servo motor, which drives screw rod rotation, drives the 2nd θ axis Rotating mechanism (13) moves up and down, and the driving end of the 2nd θ axis rotating mechanism (13) connects bending pressure head, and bending pressure head is stretched To bending station.

9. seamless gradual change automatic bending machine according to claim 8, which is characterized in that the foldable component (300) is also Including FPC regulating mechanism (14), the FPC regulating mechanism (14) is fixed on the 2nd θ axis rotating mechanism by a connecting plate (13) on rear side mounting plate, be provided with cylinder and with the FPC adjustment portion that connect of cylinder driving end.

10. seamless gradual change automatic bending machine according to claim 8, which is characterized in that be arranged on the bending pressure head There is third vacuum suction structure.