Display panel feeding mechanism

Abstract

The embodiment of the utility model provides a display panel feeding mechanism which comprises a supporting frame, a conveying unit arranged on the supporting frame, a driving unit driving the conveying unit to conduct feeding action, a first limiting unit arranged on one side of the conveying unit and a second limiting unit arranged at the tail end of the conveying unit. The conveying unit is composed of a plurality of conveying assemblies arranged at intervals in the conveying direction. The driving unit is composed of a plurality of driving assemblies arranged corresponding to the conveying assemblies. The display panel is conveyed to the position below the feeding arm in a rolling wheel mode of the conveying assembly, the friction force between the conveying assembly and the display panel is reduced, and the surface damage risk caused by friction in the feeding process of the display panel is effectively reduced; through the adjusting function of the transverse limiting part and the longitudinal limiting part, the feeding requirements of display panels of different sizes can be met, and precise limiting is achieved; and through cooperative work of the first limiting unit and the switch unit, the manual feeding mode and the upstream equipment online feeding mode can be flexibly switched, and the equipment applicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to display panel feeding technical field, especially display panel feeding mechanism. BACKGROUND

[0002] In the field of display panel manufacturing, with the continuous development of liquid crystal display panel (LCD), organic light emitting diode display panel (OLED) and other technologies, the size of display panel is getting larger and larger, and the precision and stability of production equipment are increasingly required. As the beginning of the display panel production line, the feeding mechanism is responsible for accurately and stably conveying the display panel to the feeding station, and its performance directly affects the production efficiency and product quality of the display panel.

[0003] At present, the traditional display panel feeding mechanism mostly adopts belt drive or chain drive mode. The belt drive is prone to slipping and wear after long-term use, which leads to a decrease in transmission precision and makes it difficult to meet the demand for high-precision transmission of large-size display panels. Although the chain drive is reliable in transmission, it produces a lot of noise during operation and needs regular maintenance and lubrication, which increases the use cost and maintenance difficulty of the equipment. In addition, the existing feeding mechanism limiting unit design is not reasonable, the limiting precision is low, and it cannot accurately position display panels of different sizes. During the conveying process, the display panel may deviate or collide, which not only affects the production efficiency, but also may cause damage to the display panel and increase the production cost.

[0004] Therefore, it is urgent to design a new type of display panel feeding mechanism to solve the problems of display panel damage, incompatible feeding of display panels of different sizes, inaccurate limiting, and incompatible online feeding with upstream equipment and manual feeding in the prior art. INVENTION CONTENTS

[0005] The utility model provides a kind of display panel feeding mechanism to solve the technical problems that display panel is damaged in the feeding process of prior art, incompatible feeding of display panels of different sizes, inaccurate limiting, and incompatible online feeding with upstream equipment and manual feeding.

[0006] To solve the above problems, the technical scheme adopted by the utility model is:

[0007] The utility model provides a kind of display panel feeding mechanism, for conveying display panel to carry out feeding action, including support frame, the transmission unit of being located on support frame, the drive unit of driving transmission unit and carrying out feeding action, the first limiting unit of being located at the side of transmission unit, the second limiting unit of being located at the end of transmission unit, transmission unit is by the multiple groups of transmission component that are arranged at intervals along the direction of transmission, and drive unit is by the multiple groups of drive component that are correspondingly arranged with transmission component composition;

[0008] Further, each group of conveying components comprises a first transmission shaft, two sides of the first transmission shaft are rotatably fixed to the support frame through first bearing seats, a plurality of rollers are sleeved on the first transmission shaft at intervals, the rollers are used for supporting and conveying the display panel, and a first magnetic wheel is further sleeved on one end of the first transmission shaft, the first magnetic wheel is located outside the first bearing seat and rotates synchronously with the first transmission shaft;

[0009] Further, each group of driving components comprises a second transmission shaft, the second transmission shaft is rotatably fixed to the support frame through a second bearing seat and is arranged perpendicularly to the first transmission shaft, a plurality of second magnetic wheels are arranged on the second transmission shaft at intervals, the second magnetic wheels are perpendicular to the first magnetic wheel and are coupled and driven by magnetic force, and the second transmission shaft is fixed to the support frame through the second bearing seat;

[0010] Further, the driving components further comprise a motor for driving the second transmission shaft to rotate, a first synchronous wheel connected to an output shaft of the motor, a second synchronous wheel sleeved on the second transmission shaft, and a synchronous belt arranged between the first synchronous wheel and the second synchronous wheel, the synchronous belt is used for transmitting power of the motor to the second transmission shaft;

[0011] Further, the second transmission shaft is provided with an axial perforation, the synchronous belt passes through the perforation and is connected with the second synchronous wheel, so as to form a closed-loop transmission structure;

[0012] Further, the first limiting unit is slidably fixed through a long-slot-shaped notch on the support frame, the first limiting unit is provided with a first sensing part for detecting a side edge position of the display panel and a switch unit matched with the first limiting unit;

[0013] Further, the second limiting unit comprises a transverse limiting part and a longitudinal limiting part, a transverse driving part for driving the transverse limiting part to move transversely, and a longitudinal driving part for driving the longitudinal limiting part to move longitudinally, and the transverse limiting part is correspondingly provided with a second sensing part for detecting an end position of the display panel;

[0014] Further, the transverse limiting part and the longitudinal limiting part are both provided with a plurality of positioning blocks made of an anti-static material;

[0015] Further, the first magnetic wheel and the second magnetic wheel are provided with a magnetic wheel cover plate at a position where the first magnetic wheel and the second magnetic wheel are coupled and driven by magnetic force, and the switch unit is fixed to the magnetic wheel cover plate;

[0016] Further, adjacent rollers in the conveying direction have at least a 3x3 array overlapping area, so as to ensure that at least 9 rollers simultaneously support the display panel during the conveying process.

[0017] Compared with the prior art, the display panel conveying device has the following beneficial effects:

[0018] The utility model provides a kind of display panel feeding mechanism, display panel is conveyed to the below of feeding arm by the roller type of conveying component, reduce the friction between with display panel, effectively reduce the surface damage risk caused by friction in the process of feeding of display panel;By the adjusting function of horizontal limiting part and longitudinal limiting part, the feeding demand of different size display panel can be adapted, accurate limiting is realized;By the cooperative work of first limiting unit and switch unit, manually feeding and upstream equipment on-line feeding mode can be flexibly switched, improve equipment applicability. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme provided by the utility model, the following will be described in detail in conjunction with embodiments and drawings, it should be understood that the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can change these drawings under the concept of the utility model.

[0020] Figure 1 The assembly perspective view of the display panel feeding mechanism provided by the utility model is provided.

[0021] Figure 2 The assembly perspective view of the conveying unit and the driving unit provided by the utility model is provided.

[0022] Figure 3 The assembly perspective view of the embodiment of the second limiting unit provided by the utility model is provided.

[0023] 1, support frame;2, conveying unit;21, first transmission shaft;22, roller;23, first magnetic wheel;24, first bearing seat;3, driving unit;31, second transmission shaft;32, second bearing seat;33, second magnetic wheel;34, motor;35, first synchronous wheel;36, second synchronous wheel;37, synchronous belt;4, first limiting unit;5, second limiting unit;51, horizontal limiting part;52, longitudinal limiting part;53, positioning block;54, horizontal driving part;55, longitudinal driving part;6, switch unit. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model, and similar components are represented by similar component symbols in the drawings. Obviously, the following described embodiments are only some of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] It should be understood that the terms "comprise" and "include" as used in the specification and the appended claims indicate the presence of the described features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0026] It should also be understood that the terms used in the present embodiment of the utility model are only for the purpose of describing specific embodiments and are not intended to limit the present embodiment of the utility model. As used in the present embodiment of the utility model specification and the appended claims, unless the context clearly indicates otherwise, the singular form "a", "an" and "the" is intended to include the plural form.

[0027] Please refer to Figure 1 The utility model provides a display panel feeding mechanism for conveying display panel and carrying out feeding action, including support frame 1, the transmission unit 2 of being located on support frame 1, the drive unit 3 of driving transmission unit 2 and carrying out feeding action, the first limiting unit 4 of being located at one side of transmission unit 2, the second limiting unit 5 of being located at the end of transmission unit 2, transmission unit 2 is composed of multiple groups of transmission assemblies that are arranged at intervals along the conveying direction, and drive unit 3 is composed of multiple groups of drive assemblies that are arranged corresponding to transmission assemblies.

[0028] The support frame 1 is used as the basic frame of the whole feeding mechanism, adopts high-strength aluminum profile material, ensures sufficient strength and stability during conveying, and can bear the weight of the display panel during conveying and the acting force generated when each component operates.

[0029] Please refer to Figure 2 In the present embodiment, each group of transmission assemblies includes a first transmission shaft 21, the two sides of the first transmission shaft 21 are rotatably fixed to the support frame 1 through first bearing seats 24, ensuring flexible rotation without jamming. A plurality of rollers 22 are sleeved on the first transmission shaft 21 at regular intervals, and a first magnetic wheel 23 is also sleeved on one end of the first transmission shaft 21. The first magnetic wheel 23 is located outside the first bearing seat 24 and rotates synchronously with the first transmission shaft 21.

[0030] Each group of driving assembly includes a second transmission shaft 31 rotatably fixed on the support frame 1 through a second bearing seat 32 and arranged perpendicularly to the first transmission shaft 21, and a plurality of second magnetic force wheels 33 are arranged on the second transmission shaft 31 in a sleeving manner, the second magnetic force wheels 33 are perpendicular to the first magnetic force wheels 23 and are coupled and driven by magnetic force, and the second transmission shaft 31 is fixed on the support frame 1 through the second bearing seat 32. The driving assembly further includes a motor 34 for driving the second transmission shaft 31 to rotate, a first synchronous wheel 35 connected to an output shaft of the motor 34, a second synchronous wheel 36 sleeved on the second transmission shaft 31, and a synchronous belt 37 wound between the first synchronous wheel 35 and the second synchronous wheel 36, for transmitting power of the motor 34 to the second transmission shaft 31. The second transmission shaft 31 is provided with an axially extending through hole, and the synchronous belt 37 passes through the through hole and is connected to the second synchronous wheel 36, so as to form a closed-loop transmission structure.

[0031] Please refer to Figure 3 In the embodiment, the first limiting unit 4 is slidably fixed through the long slot on the support frame 1, the first limiting unit 4 is provided with a first sensing part for detecting a side position of the display panel, and a switch unit 6 matched with the first limiting unit 4. The second limiting unit 5 includes a transverse limiting part 51 and a longitudinal driving part 55, a transverse driving part 54 for driving the transverse limiting part 51 to move transversely, and a longitudinal driving part 55 for driving the longitudinal limiting part 52 to move longitudinally, and the transverse limiting part 51 is correspondingly provided with a second sensing part for detecting an end position of the display panel. The transverse limiting part 51 and the longitudinal limiting part 52 are both provided with a plurality of positioning blocks 53 made of anti-static material. The first magnetic force wheel 23 and the second magnetic force wheel 33 are provided with a magnetic force wheel cover plate at the perpendicular transmission position, and the magnetic force wheel cover plate is fixed with the switch unit 6. The adjacent rollers 22 along the conveying direction have at least a 3x3 array overlapping area, so as to ensure that at least 9 rollers 22 support the display panel simultaneously during the conveying process.

[0032] When the upstream equipment is connected online for feeding, the display panel is prepared by the upstream equipment, and a signal is transmitted to the feeding mechanism. The conveying unit 2 is started, the motor 34 drives the second transmission shaft 31 to rotate, the first magnetic force wheel 23 and the first transmission shaft 21 are driven to rotate through the synchronous belt 37 and the second magnetic force wheel 33, and the roller 22 starts to convey the display panel. During the conveying process of the display panel, when the display panel reaches the end of the conveying unit 2, the second sensing part detects the end position, that is, one side of the display panel reaches the transverse limiting part 51, and the display panel is preliminarily limited, at this time, the longitudinal limiting part 52 is accurately limited by the longitudinal driving part 55, then the transverse limiting part 51 moves outward along the transmission direction by the transverse driving part 54, so as to prevent friction during the process of sucking the display panel by the mechanical arm.

[0033] When the artificial loading operation is performed, the transmission unit 2 is first paused in movement by the switch unit 6, the operator places the display panel at the starting end of the transmission unit 2, ensures that the display panel is placed on the display panel placing roller 22, and the display panel is generally placed on the first limiting unit 4, at the same time, the first sensing part senses the display panel, the transmission unit 2 is started again by the switch unit 6, the display panel is driven by the roller 22 to move forward, when the display panel reaches the sensing position of the second sensing part, the display panel is preliminarily limited by the transverse limiting part 51, at this time, the longitudinal limiting part 52 is accurately limited by the longitudinal driving part 55, then, the transverse limiting part 51 is moved outward along the transmission direction by the transverse driving part 54, so as to prevent friction during the process of the mechanical arm sucking the display panel.

[0034] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present specification.

[0035] The above is the specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, these modifications or replacements should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A display panel feeding mechanism for conveying display panels for feeding operations, characterized in that, The device includes a support frame, a conveying unit mounted on the support frame, a drive unit for driving the conveying unit to perform a feeding action, a first limiting unit located on one side of the conveying unit, and a second limiting unit located at the end of the conveying unit. The conveying unit consists of multiple sets of conveying components spaced apart along the conveying direction, and the drive unit consists of multiple sets of drive components corresponding to the conveying components.

2. The display panel feeding mechanism as described in claim 1, characterized in that, Each of the conveying components includes a first drive shaft, both sides of which are rotatably fixed to the support frame via a first bearing seat. Multiple rollers are spaced apart on the first drive shaft for supporting and conveying the display panel. A first magnetic wheel is also fitted at one end of the first drive shaft. The first magnetic wheel is located outside the first bearing seat and rotates synchronously with the first drive shaft.

3. The display panel feeding mechanism as described in claim 2, characterized in that, Each set of drive components includes a second drive shaft, which is rotatably fixed to the support frame via a second bearing seat and is perpendicular to the first drive shaft. The second drive shaft is provided with a plurality of spaced second magnetic wheels, which are perpendicular to the first magnetic wheels and are driven by magnetic coupling. The second drive shaft is fixed to the support frame via a second bearing seat.

4. The display panel feeding mechanism as described in claim 3, characterized in that, The drive assembly further includes a motor that drives the second drive shaft to rotate, a first synchronous pulley connected to the output shaft of the motor, a second synchronous pulley sleeved on the second drive shaft, and a synchronous belt wound between the first and second synchronous pulleys. The synchronous belt is used to transmit the power of the motor to the second drive shaft.

5. The display panel feeding mechanism as described in claim 4, characterized in that, The second drive shaft has an axially extending through hole, through which the timing belt passes and connects to the second timing pulley to form a closed-loop transmission structure.

6. The display panel feeding mechanism as described in claim 5, characterized in that, The first limiting unit is slidably fixed through the elongated slot on the support frame. The first limiting unit is provided with a first sensing part for detecting the side position of the display panel and a switch unit that cooperates with the first limiting unit.

7. The display panel feeding mechanism as described in claim 1, characterized in that, The second limiting unit includes a lateral limiting part and a longitudinal limiting part, a lateral driving part for driving the lateral limiting part to move laterally, and a longitudinal driving part for driving the longitudinal limiting part to move longitudinally. The lateral limiting part is provided with a second sensing part for detecting the end position of the display panel.

8. The display panel feeding mechanism as described in claim 7, characterized in that, Both the lateral limiting part and the longitudinal limiting part are provided with multiple positioning blocks made of antistatic material.

9. The display panel feeding mechanism as described in claim 6, characterized in that, A magnetic wheel cover plate is provided at the point where the first magnetic wheel and the second magnetic wheel are perpendicularly driven, and the switch unit is fixed on the magnetic wheel cover plate.

10. The display panel feeding mechanism as described in claim 2, characterized in that, The rollers adjacent to each other along the conveying direction have at least a 3×3 array overlap area to ensure that at least 9 of the rollers support the display panel simultaneously during the conveying process.

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