Feeding and discharging device for liquid crystal module testing

Abstract

The utility model relates to a loading and unloading device for liquid crystal module testing, which comprises a feed conveying mechanism, a discharge conveying mechanism and a material taking mechanism, the material taking mechanism comprises a first transmission track, a loading assembly and an unloading assembly, the loading assembly comprises a first material taking part and a loading motion part, and the unloading assembly comprises a second material taking part and an unloading motion part; the first material taking part is provided with a first multi-suction-cup operation piece capable of adjusting the position relation of the suction cups, and the second material taking part is provided with a second multi-suction-cup operation piece capable of adjusting the position relation of the suction cups. The liquid crystal module of the feeding conveying mechanism is automatically grabbed to the testing platform through the feeding assembly, the liquid crystal module of the testing platform is automatically grabbed to the discharging conveying mechanism through the discharging assembly, and manual participation is not needed in the whole process. The first multi-suction-cup operation piece and the second multi-suction-cup operation piece can adjust the shape of the material taking part according to the liquid crystal modules of different sizes, shapes or thicknesses so as to adapt to automatic grabbing operation in the testing process of various liquid crystal modules, and a clamp needs to be replaced.

Description

Technical Field

[0001] This utility model relates to the field of testing devices, and in particular to a loading and unloading device for testing liquid crystal modules. Background Technology

[0002] Liquid Crystal Modules (LCMs), as core components of display devices, are widely used in smartphones, tablets, laptops, televisions, and other fields. LCMs require rigorous testing to ensure their performance, yield, and reliability. In LCM testing, loading and unloading methods rely on manual operation or semi-automated equipment. Manual operation is inefficient; semi-automated equipment typically uses specialized fixtures, which are difficult to handle LCMs of different sizes, shapes, or thicknesses, leading to frequent fixture changes. Utility Model Content

[0003] Therefore, it is necessary to provide a loading and unloading device for LCD module testing, which addresses the problem that traditional LCD module loading and unloading methods rely on manual labor or require frequent fixture changes.

[0004] This utility model provides a loading and unloading device for testing liquid crystal modules, including a feeding conveying mechanism, an unloading conveying mechanism, and a picking mechanism. The picking mechanism includes a first transmission track, a loading component, and a unloading component. The loading component includes a first picking part and a loading motion part, and the unloading component includes a second picking part and an unloading motion part.

[0005] The first material handling unit is fixedly connected to the loading motion unit via a first connecting member, and the second material handling unit is fixedly connected to the unloading motion unit via a second connecting member; the feeding conveying mechanism and the discharging conveying mechanism are disposed at both ends of the first transmission track, with the feeding conveying mechanism located between the first material handling unit and the loading motion unit, and the discharging conveying mechanism located between the second material handling unit and the unloading motion unit; the loading motion unit and the unloading motion unit are slidably connected to the first transmission track;

[0006] The first material handling unit is equipped with a first multi-suction cup operating component that can adjust the position relationship of the suction cups, and the second material handling unit is equipped with a second multi-suction cup operating component that can adjust the position relationship of the suction cups.

[0007] In some embodiments, the feeding motion unit includes a feeding track, a feeding slider, and a first slider, the first slider being slidably connected to the first transmission track; the first slider being fixedly connected to the feeding track, and the sliding direction of the first slider being perpendicular to the sliding direction of the feeding slider; the feeding slider being fixedly connected to the first picking unit through the first connecting member.

[0008] In some embodiments, the first material handling unit includes a first cylinder and a first multi-suction cup operating component. The first multi-suction cup operating component includes a first connecting plate, a first extended folding rod, and a plurality of first vacuum suction cups. The first cylinder is fixedly connected to the first connecting component, and the pushing direction of the first cylinder is perpendicular to the conveying plane of the feeding conveying mechanism. One end of the first connecting plate is fixedly connected perpendicularly to the first cylinder. The other end of the first connecting plate is provided with an elongated hole, and the first vacuum suction cup is fixedly connected to the elongated hole, and the first vacuum suction cup is perpendicular to the conveying plane of the feeding conveying mechanism. One end of the first extended folding rod is fixedly connected to the first connecting plate, and the other end of the first extended folding rod is fixedly connected to the first vacuum suction cup.

[0009] In some embodiments, the feeding motion unit includes a feeding track, a feeding slider, and a second slider, the second slider being slidably connected to the first transmission track; the second slider being fixedly connected to the feeding track, and the sliding direction of the second slider being perpendicular to the sliding direction of the feeding slide; the feeding slider being fixedly connected to the second picking unit via the second connecting member.

[0010] In some embodiments, the second material handling unit includes a second cylinder and a second multi-suction cup operating component. The second multi-suction cup operating component includes a second connecting plate, a second extended folding rod, and a plurality of second vacuum suction cups. The second cylinder is fixedly connected to the second connecting component, and the pushing direction of the second cylinder is perpendicular to the conveying plane of the material conveying mechanism. One end of the second connecting plate is fixedly connected perpendicularly to the second cylinder. The other end of the second connecting plate is provided with an elongated hole, and the second vacuum suction cup is fixedly connected to the elongated hole, with the second vacuum suction cup perpendicular to the conveying plane of the material conveying mechanism. One end of the second extended folding rod is fixedly connected to the second connecting plate, and the other end of the second extended folding rod is fixedly connected to the second vacuum suction cup.

[0011] In some embodiments, the feeding conveying mechanism includes a first fixed frame, a first drive shaft, a first rolling shaft, and a first conveyor belt. The first drive shaft and the first rolling shaft are respectively fixedly connected to both ends of the first fixed frame, and the first conveyor belt surrounds the first fixed frame and meshes with the first drive shaft and the first rolling shaft.

[0012] The discharge conveying mechanism includes a second fixed frame, a second drive shaft, a second rolling shaft, and a second conveyor belt. The second drive shaft and the second rolling shaft are respectively fixedly connected to both ends of the second fixed frame. The second conveyor belt surrounds the second fixed frame and meshes with the second drive shaft and the second rolling shaft.

[0013] In some embodiments, the feeding conveying mechanism further includes a material collection assembly, which includes a crossbar, a driving member, and a support rod. One end of the support rod is fixedly connected to one side of the first fixed frame, and the other end of the support rod is fixedly connected to the driving member. The driving member is fixedly connected to the crossbar to drive the crossbar to move perpendicular to the movement direction of the first conveyor belt. The distance between the crossbar and the first conveyor belt is less than the thickness of the liquid crystal module to be tested.

[0014] In some embodiments, the first fixing frame is provided with a first baffle at one end near the second fixing frame.

[0015] In some embodiments, the second bracket has a second baffle at the end away from the first bracket.

[0016] In some embodiments, a defective product conveying mechanism is also included, which is adjacent to the discharge conveying mechanism and the conveying direction of the defective product conveying mechanism is away from the unloading component.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The feeding component automatically picks up the LCD modules from the feeding conveyor and transfers them to the testing platform. The unloading component automatically picks up the LCD modules from the testing platform and transfers them to the unloading conveyor. The entire process requires no manual intervention. The first picking section is equipped with a first multi-suction cup operating component, and the second picking section is equipped with a second multi-suction cup operating component. The shape of the picking section can be adjusted for LCD modules of different sizes, shapes, or thicknesses to adapt to the automatic picking operation of various LCD module testing processes. The fixtures need to be changed. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of a loading and unloading device for testing liquid crystal modules, as shown in an embodiment of the present invention.

[0020] Figure 2 This is a schematic diagram of the material handling mechanism shown in an embodiment of the present invention;

[0021] Figure 3 As shown in the embodiments of this utility model Figure 2 A magnified view of a portion of the first material handling section;

[0022] Figure 4 This is a schematic diagram showing the result of the feeding and conveying mechanism in an embodiment of the present utility model;

[0023] Figure 5 As shown in the embodiments of this utility model Figure 4 A cross-sectional schematic diagram. Detailed Implementation

[0024] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0025] It should be noted that when an element is said to be "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is said to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. Conversely, when an element is said to be "directly on" another element, there is no intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0027] See Figure 1 and Figure 2 This embodiment illustrates a loading and unloading device for testing liquid crystal modules, including a feeding conveying mechanism 1, an unloading conveying mechanism 2, and a picking mechanism 3. The picking mechanism 3 includes a first transmission track 31, a loading component 32, and a unloading component 33. The loading component 32 includes a first picking part 321 and a loading motion part 322. The unloading component 33 includes a second picking part 331 and a unloading motion part 332.

[0028] The first material-picking part 321 and the loading motion part 322 are fixedly connected by a first connecting member 323, and the second material-picking part 331 and the unloading motion part 332 are fixedly connected by a second connecting member 333; the feeding conveying mechanism 1 and the discharging conveying mechanism 2 are disposed at both ends of the first transmission track 31, and the feeding conveying mechanism 1 is located between the first material-picking part 321 and the loading motion part 322, and the discharging conveying mechanism 2 is located between the second material-picking part 331 and the unloading motion part 332; the loading motion part 322 and the unloading motion part 332 are slidably connected to the first transmission track 31;

[0029] The first material handling unit 321 is provided with a first multi-suction cup operating member 3211 that can adjust the position relationship of the suction cups, and the second material handling unit 331 is provided with a second multi-suction cup operating member 3311 that can adjust the position relationship of the suction cups.

[0030] In this embodiment, the testing platform for the liquid crystal module can be positioned above the first transmission track 31, between the first picking unit 321 and the loading motion unit 322, and between the second picking unit 331 and the unloading motion unit 332. When the liquid crystal module is conveyed closer to the loading assembly 32 by the feeding conveyor 1, the first picking unit 321 grabs the liquid crystal module on the feeding conveyor 1, and the loading motion unit 322 drives the first picking unit 321 to move towards the testing platform on the first transmission track 31. The first picking unit 321 then places the liquid crystal module on the testing platform and returns to its initial position. After the liquid crystal module is tested, the unloading motion unit 332 drives the second picking unit 331 to move towards the testing platform on the first transmission track 31. The second picking unit 331 grabs the liquid crystal module on the testing platform and returns to its initial position, placing the liquid crystal module on the unloading conveyor 2 to complete the automated testing of the liquid crystal module.

[0031] The first multi-suction cup operating component 3211 and the second multi-suction cup operating component 3311 are both equipped with multiple suction cups, and the positional relationship between the suction cups can be adjusted by a damped folding structure to adapt to the automated loading and unloading requirements of LCD modules of different specifications.

[0032] In some embodiments, see Figure 2 The feeding motion unit 322 includes a feeding track 3221, a feeding slider 3222, and a first slider 3223. The first slider 3223 is slidably connected to the first transmission track 31. The first slider 3223 is fixedly connected to the feeding track 3221, and the sliding direction of the first slider 3223 is perpendicular to the sliding direction of the feeding slider 3222. The feeding slider 3222 is fixedly connected to the first picking unit 321 through the first connecting member 323.

[0033] In this embodiment, the testing platform can be as follows: Figure 2 In this configuration, the first slider 3223 moves left and right on the first transmission track 31, while the loading slider 3222 moves back and forth on the loading track 3221, achieving dual-axis motion to facilitate the gripping of the LCD module onto the testing platform.

[0034] In some embodiments, see Figure 2 and Figure 3The first material handling unit 321 includes a first cylinder 3212 and a first multi-suction cup operating component 3211. The first multi-suction cup operating component 3211 includes a first connecting plate 3213, a first extended folding rod 3214, and a plurality of first vacuum suction cups 3215. The first cylinder 3211 is fixedly connected to the first connecting component 323, and the pushing direction of the first cylinder 3211 is perpendicular to the conveying plane of the feeding conveying mechanism 1. One end of the first connecting plate 3213 is fixedly connected to the first cylinder 3211 perpendicularly. The other end of the first connecting plate 3213 is provided with an elongated hole, and the first vacuum suction cup 3215 is fixedly connected to the elongated hole, and the first vacuum suction cup 3215 is perpendicular to the conveying plane of the feeding conveying mechanism 1. One end of the first extended folding rod 3214 is fixedly connected to the first connecting plate 3213, and the other end of the first extended folding rod 3214 is fixedly connected to the first vacuum suction cup 3215.

[0035] In this embodiment, the elongated hole on the first connecting plate 3213 facilitates adjustment of the position of the first vacuum suction cup 3215; the first extended folding rod 3214 can be folded in multiple sections to accommodate various position adjustments. Optionally, the position of the first vacuum suction cup 3215 in the elongated hole can be manually fixed or adjusted using a position adjustment structure; the position of the first extended folding rod 3214 can be manually adjusted based on a damping element or automatically adjusted based on a position adjustment structure such as a cylinder.

[0036] In some embodiments, the feeding motion unit 332 includes a feeding track, a feeding slider, and a second slider. The second slider is slidably connected to the first transmission track 31. The second slider is fixedly connected to the feeding track, and the sliding direction of the second slider is perpendicular to the sliding direction of the feeding slider. The feeding slider is fixedly connected to the second picking unit 331 through the second connecting member 333.

[0037] In this embodiment, the specific structure and working method of the unloading motion unit 332 are similar to those of the loading motion unit 322, and will not be repeated here. Please refer to the relevant description of the loading motion unit 322.

[0038] In some embodiments, the second material handling unit 331 includes a second cylinder and a second multi-suction cup operating component. The second multi-suction cup operating component includes a second connecting plate, a second extended folding rod, and a plurality of second vacuum suction cups. The second cylinder is fixedly connected to the second connecting component 333, and the pushing direction of the second cylinder 3311 is perpendicular to the conveying plane of the material conveying mechanism 2. One end of the second connecting plate is fixedly connected to the second cylinder perpendicularly. The other end of the second connecting plate is provided with an elongated hole, and the second vacuum suction cup is fixedly connected to the elongated hole, and the second vacuum suction cup is perpendicular to the conveying plane of the material conveying mechanism. One end of the second extended folding rod is fixedly connected to the second connecting plate, and the other end of the second extended folding rod is fixedly connected to the second vacuum suction cup.

[0039] In this embodiment, the specific structure and operation of the second material handling unit 331 are similar to those of the first material handling unit 321, and will not be repeated here. Please refer to the relevant description of the first material handling unit 321.

[0040] In some embodiments, see Figure 4 and Figure 5 The feeding conveying mechanism 1 includes a first fixed frame 11, a first drive shaft 12, a first rolling shaft 13 and a first conveyor belt 14. The first drive shaft 12 and the first rolling shaft 13 are respectively fixedly connected to the two ends of the first fixed frame 11. The first conveyor belt 14 surrounds the first fixed frame 11 and meshes with the first drive shaft 12 and the first rolling shaft 13.

[0041] The discharge conveying mechanism 2 includes a second fixed frame, a second drive shaft, a second rolling shaft, and a second conveyor belt. The second drive shaft and the second rolling shaft are respectively fixedly connected to both ends of the second fixed frame 21. The second conveyor belt surrounds the second fixed frame and meshes with the second drive shaft and the second rolling shaft.

[0042] In this embodiment, the feeding conveyor 1 and the discharging conveyor 2 transport the liquid crystal module via a conveyor belt, and can be connected to the liquid crystal module production line so that the liquid crystal module can be directly transferred to the testing equipment for testing after production. The diagram of the discharging conveyor 2 can be referenced to that of the feeding conveyor 1.

[0043] In some embodiments, see Figure 4The feeding and conveying mechanism 1 further includes a material collection assembly 15, which includes a crossbar 151, a driving member 152, and a support rod 153. One end of the support rod 153 is fixedly connected to one side of the first fixed frame 11, and the other end of the support rod 153 is fixedly connected to the driving member 152. The driving member 152 is fixedly connected to the crossbar 151 to drive the crossbar 151 to move perpendicular to the movement direction of the first conveyor belt 14. The distance between the crossbar 151 and the first conveyor belt 14 is less than the thickness of the liquid crystal module to be tested.

[0044] In this embodiment, the material collection assembly 15 drives the crossbar 151 to move on the first conveyor belt 14 via the drive component 152, so as to sweep the liquid crystal module to the designated position, thereby facilitating the first material picking unit 321 to pick it up. At the same time, the first material picking unit 321 can be set to multiple stations, so that after the material collection assembly 15 sweeps the liquid crystal module to the designated position, it can pick up multiple liquid crystal modules at one time and send them to the multi-station test platform for testing.

[0045] In some embodiments, the first fixing frame 11 is provided with a first baffle 16 at one end near the second fixing frame 21, and the first baffle 16 can prevent the liquid crystal module from falling out of the feeding conveying mechanism 1.

[0046] In some embodiments, the second fixing frame 21 is provided with a second baffle at the end away from the first fixing frame 11.

[0047] In some embodiments, see Figure 1 It also includes a defective product conveying mechanism 4, which is adjacent to the discharge conveying mechanism 2, and the conveying direction of the defective product conveying mechanism 4 is away from the unloading component 33. The second picking unit 331 also classifies the completed LCD modules according to the test results of the test platform, and picks up the LCD modules that fail the test and sends them to the defective product conveying mechanism 4 for recycling, reducing manual post-processing.

[0048] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0049] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A feeding and discharging device for liquid crystal module testing, characterized in that, Including feeding conveying mechanism, discharging conveying mechanism and taking mechanism, the taking mechanism includes first transmission rail, feeding assembly and discharging assembly, the feeding assembly includes first taking part and feeding movement part, the discharging assembly includes second taking part and discharging movement part; The first taking part and the feeding movement part are fixedly connected through the first connecting piece, the second taking part and the discharging movement part are fixedly connected through the second connecting piece;The feeding conveying mechanism and the discharging conveying mechanism are arranged at both ends of the first transmission rail, and the feeding conveying mechanism is located between the first taking part and the feeding movement part, and the discharging conveying mechanism is located between the second taking part and the discharging movement part;The feeding movement part and the discharging movement part are slidably connected with the first transmission rail; The first taking part is provided with the first multi-suction cup operating part for adjusting the position relationship of the suction cup, and the second taking part is provided with the second multi-suction cup operating part for adjusting the position relationship of the suction cup.

2. The feeding and discharging device for liquid crystal module testing according to claim 1, characterized in that, The feeding movement part includes feeding rail, feeding slider and first slider, the first slider is slidably connected with the first transmission rail;The first slider is fixedly connected with the feeding rail, and the sliding direction of the first slider is perpendicular to the sliding direction of the feeding slider;The feeding slider is fixedly connected with the first taking part through the first connecting piece.

3. The feeding and discharging device for liquid crystal module testing according to claim 1, characterized in that, The first taking part includes first cylinder and the first multi-suction cup operating part, the first multi-suction cup operating part includes first connecting plate, first extension folding rod and a plurality of first vacuum suction cups, the first cylinder is fixedly connected with the first connecting piece, and the pushing direction of the first cylinder is perpendicular to the conveying plane of the feeding conveying mechanism;One end of the first connecting plate is fixedly connected with the first cylinder;The other end of the first connecting plate is provided with a long hole, the first vacuum suction cup is fixedly connected with the long hole, and the first vacuum suction cup is perpendicular to the conveying plane of the feeding conveying mechanism;One end of the first extension folding rod is fixedly connected with the first connecting plate, and the other end of the first extension folding rod is fixedly connected with the first vacuum suction cup.

4. The feeding and discharging device for liquid crystal module testing according to claim 1, characterized in that, The discharging movement part includes discharging rail, discharging slider and second slider, the second slider is slidably connected with the first transmission rail;The second slider is fixedly connected with the discharging rail, and the sliding direction of the second slider is perpendicular to the sliding direction of the discharging slider;The discharging slider is fixedly connected with the second taking part through the second connecting piece.

5. The feeding and discharging device for liquid crystal module testing according to claim 1, characterized in that, The second material taking part comprises a second cylinder and a second multi-suction disc operating element, the second multi-suction disc operating element comprises a second connecting plate, a second extended folding rod and a plurality of second vacuum suction discs, the second cylinder is fixedly connected with the second connecting element, and the pushing direction of the second cylinder is perpendicular to the conveying plane of the material discharging conveying mechanism; one end of the second connecting plate is fixedly connected with the second cylinder perpendicularly; the other end of the second connecting plate is provided with a long hole, the second vacuum suction disc is fixedly connected with the long hole, and the second vacuum suction disc faces the conveying plane of the material discharging conveying mechanism perpendicularly; one end of the second extended folding rod is fixedly connected with the second connecting plate, and the other end of the second extended folding rod is fixedly connected with the second vacuum suction disc.

6. The feeding and discharging device for liquid crystal module testing according to claim 1, characterized in that, The feeding conveying mechanism comprises a first fixed frame, a first driving shaft, a first rolling shaft and a first conveying belt, the first driving shaft and the first rolling shaft are fixedly connected with two ends of the first fixed frame respectively, the first conveying belt surrounds the first fixed frame, and is engaged with the first driving shaft and the first rolling shaft; The discharging conveying mechanism comprises a second fixed frame, a second driving shaft, a second rolling shaft and a second conveying belt, the second driving shaft and the second rolling shaft are fixedly connected with two ends of the second fixed frame respectively, the second conveying belt surrounds the second fixed frame, and is engaged with the second driving shaft and the second rolling shaft.

7. The feeding and discharging device for liquid crystal module testing according to claim 6, characterized in that, The feeding conveying mechanism further comprises a material collecting assembly, the material collecting assembly comprises a cross rod, a driving element and a supporting rod, one end of the supporting rod is fixedly connected with one side of the first fixed frame, the other end of the supporting rod is fixedly connected with the driving element, the driving element is fixedly connected with the cross rod, so as to drive the cross rod to move perpendicularly to the movement direction of the first conveying belt, and the spacing between the cross rod and the first conveying belt is smaller than the thickness of the liquid crystal module to be tested.

8. The feeding and discharging device for liquid crystal module testing according to claim 7, characterized in that, The first fixed frame is provided with a first baffle at one end close to the second fixed frame.

9. The feeding and discharging device for liquid crystal module testing according to claim 6, characterized in that, The second fixed frame is provided with a second baffle at one end away from the first fixed frame.

10. The feeding and discharging device for liquid crystal module testing according to claim 1, characterized in that, Further comprising a defective product conveying mechanism, the defective product conveying mechanism is adjacent to the material discharging conveying mechanism, and the conveying direction of the defective product conveying mechanism is away from the discharging assembly.

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