A roll-up bending machine

Abstract

The present invention discloses a roll-up bending machine, including a device housing, wherein a movable side clamp and a fixed side curling clamp are provided on the upper part of the device housing, a linear slider module is provided between the movable side clamp and the fixed side curling clamp, and the movable side clamp can slide on the linear slider module; a stepper motor is also provided inside the device housing; the movable side clamp includes a bracket and a pressure strip; the pressure strip is fixed to the upper end of the bracket by an adjusting screw; a curling rotation mechanical structure is installed at one end of the fixed side curling clamp, and a fast shaft-changing mechanical structure is installed at the other end; the curling rotation mechanical structure and the fast shaft-changing mechanical structure are connected by a reel. The roll-up bending machine provided by the present invention is suitable for curling test of flexible screens, and the curling speed and time are adjustable, and the radius curvature can be changed by replacing the reel; the device has high test accuracy and is easy to maintain.

Description

Technical Field

[0001] The invention relates to the technical field of electronic equipment, and in particular to a roll-up bending machine. Background Art

[0002] With the development of economy and technology, the application of display screens is becoming more and more extensive. Among display screens, flexible screens are thinner and lighter than traditional screens due to their bendability and good flexibility. They consume less power and are much more durable than previous screens. They can reduce the probability of accidental damage to the device. At the same time, they have a profound impact on the application of wearable devices, which will make flexible screens widely used in the future as personal smart terminals continue to penetrate.

[0003] The bending resistance of the flexible screen is an important parameter of the flexible screen, which is related to the screen drift and touch-free characteristics of the finished flexible display screen. Before leaving the factory, the flexible screen needs to be tested in a flexible screen bending test equipment to ensure the bending resistance of the flexible screen, and then ensure the product yield of the finished flexible display screen.

[0004] The existing flexible screen bending test machine has a single function, and the accuracy of testing the service life of the screen is not high, which cannot meet the usage requirements. Summary of the invention

[0005] In order to solve the problems raised in the above background technology, the present invention provides a roll-up bending machine.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A roll-up bending machine comprises an equipment housing, wherein a movable side clamp and a fixed side curling clamp are arranged on the upper part of the equipment housing, and the movable side clamp and the fixed side curling clamp are separated at two ends of the equipment housing; a linear slider module is arranged between the movable side clamp and the fixed side curling clamp, and the movable side clamp can slide on the linear slider module; a stepping motor is also arranged inside the equipment housing;

[0008] The movable side clamp includes a bracket and a pressure strip; the pressure strip is fixed to the upper end of the bracket by an adjusting screw; a rubber layer is provided on the lower side of the pressure strip;

[0009] The linear slider module includes a slider and a guide rail, the guide rail is installed on the left and right sides of the device housing, and the upper end of the slider is fixedly connected to the bottom of the bracket of the movable side clamp to drive the movable side clamp to slide on the guide rail;

[0010] The fixed-side curling fixture comprises two fixed platforms, one of which is equipped with a curling rotation mechanical structure, and the other is equipped with a quick shaft-changing mechanical structure; the curling rotation mechanical structure and the quick shaft-changing mechanical structure are connected via a winding shaft.

[0011] Furthermore, the curling and rotating mechanical structure includes a reel holder and a rotating wheel, and the reel holder and the rotating wheel are connected by a fixed shaft; the reel holder and the rotating wheel are fixed on a fixed platform by an L-shaped bracket; the quick shaft changing mechanical mechanism includes a reel holder, an adjusting screw 2 and a movable base; the reel holder is fixed on the movable base; the movable base is fixed on the fixed platform by an adjusting screw 2, and the movable base can be moved left and right by loosening the adjusting screw 2.

[0012] Furthermore, positioning holes are provided at both ends of the reel, and the reel is fixed in the reel holders on both sides through the positioning holes.

[0013] Furthermore, the scroll is sucked together by two semicircular arcs, and the two semicircular arcs are used to clamp the flexible screen to be tested.

[0014] Furthermore, the stepper motor is connected to the rotating wheel through a synchronous belt to drive the reel to perform a winding action.

[0015] Furthermore, a walking channel is provided on the device housing near one side guide rail, and a connecting piece is provided at one end of the walking channel; the lower end of the connecting piece is connected to the stepper motor through a synchronous belt, and the upper end of the connecting piece is fixed to the lower side of the bracket, and the movable side clamp is driven by the stepper motor to slide along the guide rail.

[0016] Furthermore, the roll-up bending machine can change the roll-up radius of the flexible screen being tested by replacing rolls with different radius curvatures; the bracket on the movable side fixture is a height-adjustable bracket, ensuring that the two ends of the flexible screen being tested remain in the same horizontal plane.

[0017] Furthermore, a touch screen is provided on one side of the device housing, the interior of the touch screen is connected to a PLC control system, and the setting of the curling speed, the flipping path and the flipping time is realized through the touch screen.

[0018] Furthermore, the roll-bending machine also includes a power module, and the power module can be a battery or an external power source.

[0019] Furthermore, the power supply module provides power support for the entire device.

[0020] The beneficial effects of the present invention are:

[0021] The flexible screen roll-up bending machine provided by the present invention is suitable for the curling test of flexible screens. The curling speed and time are adjustable, and the radius curvature can be changed by replacing the reel part, wherein the winding angle can be 360°, 720°, 1080° or even higher; the electrical control part adopts a modular design with high integration, good versatility and easy maintenance; the main actuator adopts an imported high-torque stepper motor with a precision reducer control with high accuracy and good reliability; the electrical circuit of the equipment adopts standard control devices and assembly, which is easy to maintain and replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 This is a top view of the roll bending machine.

[0024] Figure 3 It is a schematic diagram of the structure of the movable side fixture.

[0025] Figure 4 Schematic diagram of the structure of the fixed side curling fixture.

[0026] Figure 5 yes Figure 4 Top view of the .

[0027] Figure 6 It is a scroll with different radius of curvature.

[0028] Figure 7 yes Figure 6 Side view of.

[0029] In the figure: 1-equipment housing, 2-movable side clamp, 2-1-bracket, 2-2-pressure strip, 2-3-rubber layer, 2-4-adjusting screw one, 3-fixed side curling clamp, 3-1-reel, 3-2-fixed table, 3-3-reel holder, 3-4-rotating wheel, 3-5-L-shaped support, 3-6-movable base, 3-7-adjusting screw two, 3-8-positioning hole, 4-slider, 5-guide rail, 6-stepping motor, 7-touch screen, 8-synchronous belt, 9-flexible screen to be tested, 10-walking channel, 11-connecting part. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Embodiment 1 A roll-up bending machine, the structure of which is as follows Figure 1 and 2 As shown, the device comprises a housing 1, a movable side fixture 2 and a fixed side curling fixture 3 are provided on the upper part of the housing 1, and the movable side fixture 2 and the fixed side curling fixture 3 are separated at both ends of the housing 1; a linear slider module is provided between the movable side fixture 2 and the fixed side curling fixture 3, and the movable side fixture can slide on the linear slider module; a stepping motor 6 is also provided inside the housing;

[0032] The movable side fixture 2 of the roll-up bending machine includes a bracket 2-1 and a pressure strip 2-2; Figure 3 As shown. The pressure strip 2-2 is fixed to the upper end of the bracket 2-1 by adjusting screws 2-4; the lower side of the pressure strip 2-2 is provided with a rubber layer 2-3; the linear slider module includes a slider 4 and a guide rail 5, the guide rail 5 is installed on the left and right sides of the device housing 1, and the upper end of the slider 4 is fixedly connected to the bottom of the bracket 2-1 of the movable side fixture 2 to drive the movable side fixture 2 to slide on the guide rail 5;

[0033] The fixed side curling fixture 3 includes a fixed platform 3-2, and there are two fixed platforms 3-2. A curling rotation mechanical structure is installed on one fixed platform, and a quick shaft change mechanical structure is installed on the other fixed platform. The curling rotation mechanical structure and the quick shaft change mechanical structure are connected through a winding shaft 3-1. The structure is as follows Figure 4 and Figure 5 shown.

[0034] The curling and rotating mechanical structure of the roll-up bending machine includes a reel holder 3-3 and a rotating wheel 3-4, and the reel holder 3-3 and the rotating wheel 3-4 are connected by a fixed shaft; the reel holder 3-3 and the rotating wheel 3-4 are fixed on the fixed platform 3-1 by an L-shaped bracket 3-5; the quick shaft changing mechanical mechanism includes a reel holder 3-3, an adjusting screw 3-7 and a movable base 3-6; the reel holder 3-3 is fixed on the movable base 3-6; the movable base 3-6 is fixed on the fixed platform 3-1 by an adjusting screw 3-7, and the movable base 3-6 can be moved left and right by loosening the adjusting screw 3-7.

[0035] The two ends of the reel 3-1 are provided with positioning holes 3-8, and the reel 3-1 is fixed in the reel holders 3-3 on both sides through the positioning holes 3-8. The reel 3-1 is sucked together by two semicircular arcs, and the two semicircular arcs are used to clamp the flexible screen 9 to be tested. The structure is referenced Figure 6 and 7 shown.

[0036] The stepper motor 6 of the roll-up bending machine is connected to the rotating wheel 3-4 through a synchronous belt 8 to drive the reel 3-1 to perform a rolling action. The stepper motor 6 is equipped with a precision reducer to control the accuracy.

[0037] A walking channel 11 is provided on the equipment housing 1 near the side guide rail 5, and a connecting piece 10 is provided at one end of the walking channel 11; the lower end of the connecting piece 10 is connected to the stepper motor 6 through a synchronous belt 8, and the upper end of the connecting piece 10 is fixed to the lower side of the bracket 2-1, and the movable side clamp 2 is driven by the stepper motor 6 to slide along the guide rail 5.

[0038] The roll-up bending machine can change the roll-up radius of the flexible screen being tested by replacing rolls with different radius curvatures; the bracket on the movable side fixture is a height-adjustable bracket, which ensures that the two ends of the flexible screen being tested remain in the same horizontal plane.

[0039] A touch screen 7 is also provided on one side of the device housing 1 . The interior of the touch screen 7 is connected to a PLC control system. The curling speed, the flipping path and the flipping time are set through the touch screen 7 .

[0040] The roll bending machine also includes a power module, which can be a battery or an external power supply. The power module provides power support for the entire device. The plug of the external power supply is a 15A three-pin plug; the input power of the host: single-phase ~220V / 50Hz-500W.

[0041] When the roll-up bending machine provided by the present invention is used, first, one end of the flexible screen 9 to be tested is stabilized by the pressure strip 2-2 of the movable side clamp 2; the other end of the flexible screen to be tested is clamped by the reel 3-1 on the fixed side curling clamp 3, and the height of the bracket 2-1 is adjusted to ensure that the flexible screen 9 to be tested is in the same horizontal plane, and then the power of the device is turned on, and relevant parameters such as curling speed, flipping path, flipping time, etc. are set through the touch screen 7, and then the PLC control system controls the stepper motor 6 to move, thereby realizing the curling test of the flexible screen 9 to be tested; during the curling test, through the synchronous advancement of the stepper motor 6 below, it can be ensured that the tensile force of the flexible screen 9 to be tested is infinitely close to 0 during the test.

[0042] The roll-up bending machine can also change the roll-up radius by replacing rolls with different radius curvatures. When replacing the roll 3-1, first, loosen the adjustment screw 3-7, and then the movable base 3-6 is in a free state. By moving the movable base 3-6 to one side, the distance between the two roll holders 3-3 is greater than the distance between the rolls 3-1, and the roll 3-1 can be easily replaced.

[0043] The flexible screen roll-up bending machine provided by the present invention is suitable for the curling test of flexible screens. The curling speed and time are adjustable, and the radius curvature can be changed by replacing the reel part, wherein the winding angle can be 360°, 720°, 1080° or even higher; the electrical control part adopts a modular design with high integration, good versatility and easy maintenance; the main actuator adopts an imported high-torque stepper motor with a precision reducer control with high accuracy and good reliability; the electrical circuit of the equipment adopts standard control devices and assembly, which is easy to maintain and replace.

[0044] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0045] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A roll-up bending machine, comprising an equipment housing, characterized in that: A movable side clamp and a fixed side curling clamp are provided on the upper part of the device housing, and the movable side clamp and the fixed side curling clamp are separated at both ends of the device housing; a linear slider module is provided between the movable side clamp and the fixed side curling clamp, and the movable side clamp can slide on the linear slider module; a stepping motor is also provided inside the device housing; The movable side clamp includes a bracket and a pressure strip; the pressure strip is fixed to the upper end of the bracket by an adjusting screw; a rubber layer is provided on the lower side of the pressure strip; The linear slider module includes a slider and a guide rail, the guide rail is installed on the left and right sides of the device housing, and the upper end of the slider is fixedly connected to the bottom of the bracket of the movable side clamp to drive the movable side clamp to slide on the guide rail; The fixed-side curling fixture includes a fixed platform, and there are two fixed platforms in total, one of which is equipped with a curling and rotating mechanical structure, and the other is equipped with a quick shaft-changing mechanical structure; the curling and rotating mechanical structure and the quick shaft-changing mechanical structure are connected via a winding shaft; The winding and rotating mechanical structure includes a reel holder and a rotating wheel, and the reel holder and the rotating wheel are connected by a fixed shaft; the reel holder and the rotating wheel are fixed on a fixed platform by an L-shaped bracket; the quick shaft-changing mechanical mechanism includes a reel holder, a second adjusting screw and a movable base; the reel holder is fixed on the movable base; the movable base is fixed on the fixed platform by the second adjusting screw, and the movable base can be moved left and right by loosening the second adjusting screw; Positioning holes are provided at both ends of the reel, and the reel is fixed in the reel holders on both sides through the positioning holes; the reel is sucked together by two semicircular arcs, and the two semicircular arcs are used to clamp the flexible screen to be tested.

2. The roll-up bending machine according to claim 1, characterized in that: The stepping motor is connected to the rotating wheel through a synchronous belt to drive the reel to perform a winding action.

3. The roll-up bending machine according to claim 1, characterized in that: A walking channel is provided on the device shell near one side guide rail, and a connecting piece is provided at one end of the walking channel; the lower end of the connecting piece is connected to the stepper motor through a synchronous belt, and the upper end of the connecting piece is fixed to the lower side of the bracket, and the movable side clamp is driven by the stepper motor to slide along the guide rail.

4. The roll-up bending machine according to claim 1, characterized in that: The roll-up bending machine can change the roll-up radius of the flexible screen being tested by replacing rolls with different radius curvatures; the bracket on the movable side fixture is a height-adjustable bracket, ensuring that the two ends of the flexible screen being tested remain in the same horizontal plane.

5. The roll-up bending machine according to claim 1, characterized in that: A touch screen is also provided on one side of the device housing, the interior of the touch screen is connected to a PLC control system, and the setting of the curling speed, the flipping path and the flipping time is realized through the touch screen.

6. The roll-up bending machine according to claim 1, characterized in that: The roll-up bending machine also includes a power module, which is a battery or an external power source.

7. The roll-up bending machine according to claim 6, characterized in that: The power module provides power support for the entire device.

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