Automatic testing device for compressive property of liquid crystal screen
By introducing protective and sealing devices into the automatic testing device for the compressive strength of LCD screens, the problem of workers being scratched by LCD screen fragments has been solved, thus improving safety and testing accuracy.
Patent Information
- Application Number
- CN202423138993.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-19
AI Technical Summary
During use, existing automatic testing devices for the compressive strength of LCD screens are prone to splintering of LCD screen fragments, which can cause workers to be cut.
An automatic testing device for the compressive strength of an LCD screen, including a crusher, a main frame, and a protective device, was designed. By setting up a protective device and a sealing device, the first motor drives the adjusting rod and the protective cover to block splashed fragments, preventing workers from being scratched. The sealing device also prevents fragments from falling into the chute, thus preventing them from affecting the test accuracy.
It effectively protects workers from cuts caused by glass shards, improving the safety and accuracy of the testing equipment.
Smart Images
Figure CN223650293U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of LCD screen testing technology, and in particular to an automatic testing device for the compressive strength of LCD screens. Background Technology
[0002] An LCD screen is a screen made of liquid crystal material as its basic component. It achieves its display function by changing the arrangement of molecules within the liquid crystal material through voltage. An LCD screen fills the space between two parallel plates with liquid crystal material. Current stimulates the liquid crystal molecules to produce dots, lines, and surfaces, which, together with a backlight, form the image. LCD screens have low power consumption, making them suitable for battery-powered electronic devices. Key features of LCD screens include: low power consumption (due to their working principle, their power consumption is far lower than traditional displays, making them suitable for portable devices); softer image (compared to cathode ray tube displays, LCD screen images are softer and less likely to cause eye strain); and smaller size (LCD screens are typically thinner and lighter than CRT displays, making them easier to carry and use). LCD screens have a wide range of applications, commonly found in televisions, computers, and various portable electronic devices. Due to their low power consumption and thinness, LCD screens hold an important position in the consumer electronics market. An automatic LCD screen pressure resistance testing device is a device used to test the pressure resistance of LCD screens, belonging to the field of LCD screen pressure resistance testing technology.
[0003] Existing equipment, such as CN114798471A, is an automatic testing device for the compressive strength of LCD screens, belonging to the field of LCD screen compressive strength testing technology. It includes a testing platform with a recessed cavity with an opening at the top. A central seat is located within the recessed cavity, and a receiving plate is elastically slidably attached to the top of the central seat. A top cover corresponding to the opening is vertically slidably connected above the testing platform. A test pressure plate is located on the bottom surface of the top cover, directly above the receiving plate. A cleaning section is located within the recessed cavity. The testing platform also includes a defective product collection area and a material handling mechanism. This automatic testing device for the compressive strength of LCD screens scientifically and rationally combines the testing process, cleaning process, and material handling and conveying process, effectively improving the safety and efficiency of the LCD screen testing process. It also has a high degree of integration and automation, reducing the need for manual intervention in the testing process.
[0004] When workers need to conduct pressure resistance tests on LCD screens, they place the screens on the testing device for testing. However, existing testing devices sometimes experience screen breakage during use, causing fragments of the LCD screen to scatter in all directions, resulting in workers being scratched. Utility Model Content
[0005] The purpose of this invention is to address the shortcomings of existing technologies that may result in workers being scratched, and to propose an automatic testing device for the pressure resistance of LCD screens.
[0006] To achieve the above objectives, this utility model adopts the following technical solution: an automatic testing device for the compressive strength of an LCD screen, comprising a press, a main frame, and a protective device. The press is mounted on the surface of the main frame, and the drive end of the press is slidably connected to a groove on the surface of the main frame. The protective device is disposed on the surface of the main frame and includes a first motor, which is fixedly connected to one side of the surface of the main frame. An adjusting rod is fixedly connected to the drive end of the first motor. A movable frame is placed on one side of the surface of the main frame, and a guide groove is formed on the surface of the movable frame. The guide groove is slidably connected to the surface of the main frame. The adjusting rod is threadedly connected to the surface of the movable frame. A first protective cover is fixedly connected to one side of the surface of the movable frame, and a second protective cover is fixedly connected to one side of the surface of the movable frame. The first and second protective covers are symmetrically arranged and slidably connected to the surface of the main frame. The surface of the main frame has multiple grooves, which are symmetrically arranged and can cooperate with the main frame to guide the sliding of a slider.
[0007] Preferably, both the first protective cover and the second protective cover have sliders fixedly connected to their surfaces. The sliders are slidably connected to the surface of the groove, and the sliders can cooperate with the first and second protective covers to guide the first and second protective covers.
[0008] Preferably, the surface of the extruder is provided with a sealing device, the sealing device including slots, two slots are formed on the surface of the extruder, the two slots are symmetrically arranged, and the slots can cooperate with the first baffle and the second baffle to achieve the purpose of accommodating the first baffle and the second baffle.
[0009] Preferably, a first baffle is placed on the surface of the slot, and a second baffle is placed on the surface of the slot. The first baffle and the second baffle are placed on the surface of the main frame. Two insert rods are fixedly connected to the surface of the first baffle. The two insert rods pass through the extruder and the two insert rods pass through the second baffle. The second baffle can cooperate with the insert rods to achieve the purpose of restricting the second baffle.
[0010] Preferably, a guide block is fixedly connected to one side of the second baffle, and a bolt is threadedly connected to the inner surface of the guide block. The bolt is inserted into the inner surface of the insertion rod, and the guide block can cooperate with the second baffle to guide the bolt.
[0011] Preferably, a hexagonal block is fixedly connected to the top of the bolt. The hexagonal block is placed on the surface of the guide block. The top of the main frame has four symmetrically arranged through holes. The hexagonal block can cooperate with the bolt to facilitate the worker's adjustment of the bolt.
[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0013] 1. In this utility model, by setting a protective device, the first motor is started, the first motor drives the adjusting rod, the adjusting rod rotates and adjusts the moving frame, the moving frame is guided by the main frame, the moving frame slides and drives the first protective shell and the second protective shell, the first protective shell and the second protective shell block the splashed fragments. By setting a protective device, the workers can be effectively protected and prevented from being scratched by splashed glass fragments, thereby improving the safety of the testing device. Attached Figure Description
[0014] Figure 1 This utility model provides a three-dimensional structural schematic diagram of an automatic testing device for the compressive strength of an LCD screen;
[0015] Figure 2 This utility model provides a schematic diagram of the protective device structure for an automatic testing device for the compressive strength of an LCD screen.
[0016] Figure 3 This invention proposes an automatic testing device for the compressive strength of an LCD screen. Figure 2 Schematic diagram of the structure at point A in the middle;
[0017] Figure 4 This utility model provides a schematic diagram of the enclosed device structure of an automatic testing device for the compressive strength of an LCD screen;
[0018] Figure 5 This invention proposes an automatic testing device for the compressive strength of an LCD screen. Figure 4 Schematic diagram of the structure at point B.
[0019] Legend:
[0020] 1. Extruder; 2. Main frame; 3. Protective device; 31. First motor; 32. Adjusting rod; 33. Guide groove; 34. Second protective cover; 35. First protective cover; 36. Slider; 37. Slide groove; 38. Moving frame; 4. Sealing device; 41. Guide block; 42. Hexagonal block; 43. Bolt; 44. Insert rod; 45. First baffle; 46. Slot; 47. Second baffle; 48. Through hole. Detailed Implementation
[0021] Please see Figure 1-5 This utility model provides a technical solution: an automatic testing device for the compressive strength of an LCD screen, including a squeezer 1, a main frame 2 and a protective device 3. The squeezer 1 is installed on the surface of the main frame 2, and the driving end of the squeezer 1 is slidably connected to a groove 37 opened on the surface of the main frame 2. The protective device 3 is set on the surface of the main frame 2.
[0022] The specific design and function of its protection device 3 and sealing device 4 will be explained below.
[0023] In this embodiment: the protective device 3 includes a first motor 31, which is fixedly connected to the surface of one side of the main frame 2. An adjusting rod 32 is fixedly connected to the drive end of the first motor 31. A movable frame 38 is placed on the surface of one side of the main frame 2. A guide groove 33 is opened on the surface of the movable frame 38. The guide groove 33 is slidably connected to the surface of the main frame 2. The adjusting rod 32 is threadedly connected to the surface of the movable frame 38. A first protective cover 35 is fixedly connected to the surface of one side of the movable frame 38. A second protective cover 34 is fixedly connected to the surface of one side of the movable frame 38. The first protective cover 35 and the second protective cover 34 are symmetrically arranged and are slidably connected to the surface of the main frame 2.
[0024] Specifically, the surface of the main frame 2 is provided with multiple sliding grooves 37, which are symmetrically arranged. The sliding grooves 37 can cooperate with the main frame 2 to guide the slider 36 to slide.
[0025] Specifically, sliders 36 are fixedly connected to the surfaces of the first protective cover 35 and the second protective cover 34, and the sliders 36 are slidably connected to the surface of the groove 37.
[0026] In this embodiment, the slider 36 can cooperate with the first protective cover 35 and the second protective cover 34 to guide the first protective cover 35 and the second protective cover 34.
[0027] In this embodiment: the surface of the extruder 1 is provided with a sealing device 4, the sealing device 4 includes a slot 46, two slots 46 are opened on the surface of the extruder 1, the two slots 46 are symmetrically arranged, the slots 46 can cooperate with the first baffle 45 and the second baffle 47 to achieve the purpose of receiving the first baffle 45 and the second baffle 47.
[0028] Specifically, a first baffle 45 is placed on the surface of the slot 46, and a second baffle 47 is placed on the surface of the slot 46. The first baffle 45 and the second baffle 47 are placed on the surface of the main frame 2. Two insert rods 44 are fixedly connected to the surface of the first baffle 45. The two insert rods 44 pass through the extruder 1 and the two insert rods 44 pass through the second baffle 47.
[0029] In this embodiment, the second baffle 47 can cooperate with the insertion rod 44 to achieve the purpose of restricting the second baffle 47.
[0030] Specifically, a guide block 41 is fixedly connected to one side of the second baffle 47, and a bolt 43 is threadedly connected to the inner surface of the guide block 41. The bolt 43 is inserted into the inner surface of the insert rod 44, and the guide block 41 can cooperate with the second baffle 47 to guide the bolt 43.
[0031] Specifically, a hexagonal block 42 is fixedly connected to the top of the bolt 43. The hexagonal block 42 is placed on the surface of the guide block 41. Four symmetrically arranged through holes 48 are opened at the top of the main frame 2.
[0032] In this embodiment, the hexagonal block 42 can be engaged with the bolt 43 to facilitate the worker's adjustment of the bolt 43.
[0033] Working principle: By setting up the protection device 3, the first motor 31 is started. The first motor 31 drives the adjusting rod 32, which rotates and adjusts the moving frame 38. The moving frame 38 is guided by the main frame 2. The moving frame 38 slides and drives the first protective shell and the second protective shell. The first protective shell and the second protective shell block the splashed fragments. By setting up the protection device 3, the operator can be effectively protected from being scratched by splashed glass fragments, thereby improving the safety of the testing device. In addition, by setting up the sealing device 4, the second baffle 47 is first placed on one slot 46, and then the first baffle 45 is placed on another slot 46. The first baffle 45 pushes the insertion rod 44. The insertion rod 44 passes through the extruder 1 and the second baffle 47. The hexagonal block 42 is rotated, which drives the bolt 43. The guide block 41 guides the bolt 43, and the bolt 43 is inserted into the insertion rod 44. By setting up the sealing device 4, the LCD screen fragments can be effectively prevented from falling on the sliding groove 37 on the inner side of the main frame 2, avoiding the impact of LCD screen fragments on the testing accuracy of the testing device, thereby improving the accuracy of the testing device.
Claims
1. An automatic testing device for the compressive strength of an LCD screen, comprising a crusher (1), a main frame (2), and a protective device (3), characterized in that: The extruder (1) is mounted on the surface of the main frame (2). The drive end of the extruder (1) is slidably connected to a groove (37) on the surface of the main frame (2). The protective device (3) is disposed on the surface of the main frame (2). The protective device (3) includes a first motor (31). The first motor (31) is fixedly connected to the surface of one side of the main frame (2). An adjusting rod (32) is fixedly connected to the drive end of the first motor (31). A movable frame (38) is placed on the surface of one side of the main frame (2). The surface of the main frame (2) is provided with a guide groove (33), the guide groove (33) is slidably connected to the surface of the main frame (2), the adjusting rod (32) is threadedly connected to the surface of the movable frame (38), a first protective cover (35) is fixedly connected to one side of the surface of the movable frame (38), a second protective cover (34) is fixedly connected to one side of the surface of the movable frame (38), the first protective cover (35) and the second protective cover (34) are symmetrically arranged, and the first protective cover (35) and the second protective cover (34) are slidably connected to the surface of the main frame (2).
2. The automatic testing device for the compressive strength of a liquid crystal display screen according to claim 1, characterized in that: The surface of the main frame (2) is provided with a plurality of sliding grooves (37), and the plurality of sliding grooves (37) are arranged symmetrically.
3. The automatic testing device for the compressive strength of a liquid crystal display screen according to claim 2, characterized in that: The surfaces of the first protective cover (35) and the second protective cover (34) are both fixedly connected with sliders (36), and the sliders (36) are slidably connected to the surface of the groove (37).
4. The automatic testing device for the compressive strength of a liquid crystal display screen according to claim 1, characterized in that: The surface of the extruder (1) is provided with a sealing device (4), the sealing device (4) includes a slot (46), two slots (46) are opened on the surface of the extruder (1), and the two slots (46) are arranged symmetrically.
5. The automatic testing device for the compressive strength of a liquid crystal display screen according to claim 4, characterized in that: A first baffle (45) is placed on the surface of the slot (46), and a second baffle (47) is placed on the surface of the slot (46). The first baffle (45) and the second baffle (47) are placed on the surface of the main frame (2). Two insert rods (44) are fixedly connected to the surface of the first baffle (45). The two insert rods (44) pass through the extruder (1) and the two insert rods (44) pass through the second baffle (47).
6. The automatic testing device for the compressive strength of a liquid crystal display screen according to claim 5, characterized in that: A guide block (41) is fixedly connected to one side of the second baffle (47), and a bolt (43) is threadedly connected to the inner surface of the guide block (41), and the bolt (43) is inserted into the inner surface of the insert rod (44).
7. The automatic testing device for the compressive strength of a liquid crystal display screen according to claim 6, characterized in that: The top of the bolt (43) is fixedly connected to a hexagonal block (42), which is placed on the surface of the guide block (41). The top of the main frame (2) has four symmetrically arranged through holes (48).