CN219916121U - Automatic testing equipment for liquid crystal display - Google Patents

Abstract

The utility model discloses automatic testing equipment for a liquid crystal display, which comprises a fixed seat, wherein detection tables are fixedly arranged on two sides of the fixed seat, a fixed plate, a protection pad and a positioning plate are arranged on the upper parts of the two groups of detection tables, a first motor is arranged on the rear end face of the two groups of fixed plates in a penetrating manner, a rotating seat is fixedly sleeved on the side wall of the output end of the first motor, detectors are fixedly arranged on the lower parts of the two groups of rotating seats, four groups of rubber columns are fixedly arranged on the lower parts of the two groups of detectors, indicator lamps are fixedly arranged on the upper parts of the two groups of rotating seats, a plurality of groups of conveying rollers are arranged in the grooves in a rotating manner. The beneficial effects are that: according to the utility model, the rubber plate is adopted, and the stop structure is provided, so that the accidental lateral movement of the liquid crystal screen can be avoided, and a guarantee is brought for the detection and use of the automatic liquid crystal screen testing equipment.

Description

Automatic testing equipment for liquid crystal display

Technical Field

The utility model relates to the technical field of liquid crystal display testing, in particular to automatic liquid crystal display testing equipment.

Background

The liquid crystal screen is a planar ultrathin display device, which consists of a certain number of color or black-and-white pixels, is placed in front of a light source or a reflecting surface, and has the main principle that the liquid crystal molecules are stimulated by current to generate points, lines and surfaces to be matched with back lamp tubes to form pictures, and the produced liquid crystal screen is mostly used for completing the detection work of a pin assembly of the liquid crystal screen by using an automatic testing device.

The prior art discloses the publication number: CN209281104U an intelligent LCD screen testing arrangement, including the fixing base, the bar groove, the LCD screen, the wire, the pin subassembly, the test bench, the protection pad, the pivot, servo motor, the roating seat, a detector, the sleeve pipe, the pilot lamp, rubber column and bar elastic piece, during the use, firstly place the LCD screen that waits to detect on the fixing base, place the pin subassembly that passes through the wire connection on the LCD screen on the test bench, then with this intelligent LCD screen testing arrangement external good power, open servo motor, servo motor drives the roating seat through the pivot and rotates, make the bar elastic piece that the detector bottom inlayed and the pin subassembly on the test bench laminating each other, just can inspect the pin subassembly through the detector this moment, whole device is complete to be operated.

Said utility model is characterized by that when the pin component is pressed by rotating seat, the liquid crystal screen has no stop structure, when the external object is accidentally touched on the liquid crystal screen, the liquid crystal screen can be accidentally displaced, in this process, the liquid crystal screen and pin component can pull wire, and when the wire is serious, the wire can be broken, so that it can bring a hidden trouble for detection and use.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides automatic testing equipment for a liquid crystal display, which has the advantages of stopping structure and being capable of avoiding accidental lateral movement of the liquid crystal display, thereby solving the problems in the background art.

(II) technical scheme

In order to realize the advantages of stopping the structure and avoiding accidental lateral movement of the liquid crystal screen, the utility model adopts the following specific technical scheme:

the utility model provides an automatic test equipment of LCD screen, includes the fixing base, the equal fixed mounting in both sides of fixing base has the detection platform, and two sets of the upper portion of detection platform all is provided with fixed plate, protection pad and locating plate, two sets of the rear end face of fixed plate all runs through and installs first motor, and two sets of the output lateral wall of first motor has all fixedly cup jointed the roating seat, and two sets of the equal fixed mounting in lower part of roating seat has the detector, two sets of the equal fixed mounting in lower part of detector has four groups rubber column, two sets of the equal fixed mounting in upper portion of roating seat has the pilot lamp, the upper portion of fixing base is provided with the recess, and the inside rotation of recess runs through there is the multiunit conveyer roller to the multiunit conveyer roller's lateral wall has cup jointed the conveyer belt, the second motor is installed to one side of fixing base, the upper portion of conveyer belt is provided with the LCD screen, and one side of LCD screen is provided with the wire to the one side of LCD screen to the tip of wire subassembly, two sets of guide pin assembly, two sets of guide arms have the guide holes on the portal frame, two sets of guide rails have the guide rails, two sets of guide rails have the tip and two sets of guide rails are all fixed to be connected to the inside.

Further, the rubber plate and the liquid crystal screen are both positioned on the same vertical line.

Further, two sets of the opposite surfaces of the locating plate are provided with two sets of through holes and buzzer alarms, the inside of each through hole on the same side is provided with a T-shaped rod in a sliding and penetrating mode, one end portion of each T-shaped rod on the same side is fixedly provided with a movable plate, one set of locating plate on the same side and one set of movable plate are fixedly provided with two sets of elastic springs, the far away surface of each locating plate is fixedly provided with a battery box, and the opposite surfaces of each buzzer alarm are fixedly provided with a pressing switch.

Further, batteries are arranged in the two groups of battery boxes, and the two groups of press switches are electrically connected with the two groups of batteries and the two groups of buzzer alarms through wires respectively.

Further, the vertical section size of the limit ends of the four groups of T-shaped rods is larger than the vertical section size of the four groups of through holes.

Further, the electric cabinet is fixedly installed on the upper portion of the portal frame, a control panel and a storage battery are installed in the electric cabinet, and the control panel is electrically connected with the two groups of the first motor, the second motor and the electromagnet through electric wires.

Further, the conveying rollers are all positioned on the same horizontal line.

(III) beneficial effects

Compared with the prior art, the utility model provides the automatic testing equipment for the liquid crystal display, which has the following beneficial effects:

(1) According to the utility model, the rubber plate is adopted, when the automatic liquid crystal screen testing equipment is actually used, the control panel is utilized, the second motor starts to work, the output end of the second motor drives the group of conveying rollers to do synchronous rotary motion, the group of conveying rollers can push the conveying belt to displace, the conveying belt can drive the liquid crystal screen to do transverse motion, when the liquid crystal screen moves to an expected position, the control panel is utilized, the electromagnet is electrified, the second motor is stopped at the same time, the magnetic force generated by the electromagnet can enable the electromagnet to move towards the upper part of the portal frame, in the process, the electromagnet enables the rubber plate to move downwards through the two groups of guide rods, meanwhile, the electromagnet extrudes the two groups of telescopic springs to be gradually in a compressed state, when the rubber plate is in contact with the liquid crystal screen, the use position of the liquid crystal screen is fixed, after detection is finished, an operator uses the control panel to enable the electromagnet to be powered off, the electromagnet loses the magnetic force, the two groups of telescopic springs are pushed by the self-elastic force to enable the rubber plate to move upwards to reset, and the next use is waited for the next use, and the automatic liquid crystal screen testing equipment is provided with a stopping structure, so that the accidental transverse motion of the liquid crystal screen can be avoided.

(2) According to the utility model, the positioning plate is adopted, when the automatic testing equipment for the liquid crystal display is actually used, the control panel is utilized, the output ends of the two groups of first motors are reversely rotated, the two groups of rotating seats are respectively impacted by the two groups of moving plates in the rotating process of the two groups of first motors, in the process, four groups of elastic springs are gradually in a compressed state, when the two groups of moving plates impact the two groups of push switches, the two groups of buzzing alarms make sounds to prompt an operator, the rotating seats rotate to the maximum angle, the two groups of first motors can be stopped, and when the two groups of rotating seats are reset, the four groups of elastic springs are under the action of self elasticity, reset motion is carried out by pushing the two groups of moving plates, the next use is waited, the occurrence of shaking in the traversing process of the two groups of moving plates can be avoided, and through the positioning plate arranged, the operation can be prompted to timely close the motor structure, so that the electric power resource is saved for the use of the automatic testing equipment for the liquid crystal display.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an automatic test equipment for LCD screen according to the present utility model;

FIG. 2 is a perspective view of an electromagnet according to the present utility model;

FIG. 3 is an enlarged view of FIG. 1A in accordance with the teachings of the present utility model;

FIG. 4 is an enlarged view of B of FIG. 1 in accordance with the teachings of the present utility model;

fig. 5 is an enlarged view of C in fig. 1 according to the present utility model.

In the figure:

1. a fixing seat; 2. a detection table; 3. a fixing plate; 4. a protective pad; 5. a positioning plate; 6. a first motor; 7. a rotating seat; 8. a detector; 9. a rubber column; 10. an indicator light; 11. a groove; 12. a conveying roller; 13. a conveyor belt; 14. a second motor; 15. a liquid crystal panel; 16. a wire; 17. a pin assembly; 18. a rubber plate; 19. a portal frame; 20. a guide hole; 21. a guide rod; 22. a telescopic spring; 23. an electromagnet; 24. a through hole; 25. a T-bar; 26. a moving plate; 27. an elastic spring; 28. a buzzer alarm; 29. pressing the switch; 30. and a battery case.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the utility model, an automatic testing device for a liquid crystal display is provided.

The utility model will be further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-5, an automatic testing device for a liquid crystal display according to the embodiment of the utility model comprises a fixed seat 1, wherein both sides of the fixed seat 1 are fixedly provided with a detection table 2, the upper parts of the two groups of detection tables 2 are respectively provided with a fixed plate 3, a protection pad 4 and a positioning plate 5, the rear end surfaces of the two groups of fixed plates 3 are respectively provided with a first motor 6 in a penetrating way, the side walls of the output ends of the two groups of first motors 6 are respectively fixedly sleeved with a rotating seat 7, the lower parts of the two groups of rotating seats 7 are respectively fixedly provided with a detector 8, the lower parts of the two groups of detectors 8 are respectively fixedly provided with four groups of rubber columns 9, the upper parts of the two groups of rotating seats 7 are respectively fixedly provided with an indicator lamp 10, the upper parts of the fixed seat 1 are provided with a groove 11, the inner parts of the groove 11 are rotatably penetrated by a plurality of groups of conveying rollers 12, the side walls of the plurality of groups of conveying rollers 12 are sleeved with a conveying belt 13, the second motor 14 is arranged on one side of the fixed seat 1, the output end part of the second motor 14 is clamped with one end part of one group of conveying rollers 12, a liquid crystal screen 15 is arranged on the upper part of the conveying belt 13, a wire 16 is arranged on one side of the liquid crystal screen 15, a pin assembly 17 is arranged on one end part of the wire 16, a rubber plate 18 is arranged above the liquid crystal screen 15, a portal frame 19 is welded on the upper part of the two groups of detection tables 2, two groups of guide holes 20 are arranged on the upper part of the portal frame 19, guide rods 21 are respectively and slidably penetrated in the two groups of guide holes 20, an electromagnet 23 is fixedly arranged on one end part of the two groups of guide rods 21, extension springs 22 are respectively sleeved on the side walls of the two groups of guide rods 21, the other end part of the two groups of guide rods 21 is fixedly connected with the upper part of the rubber plate 18, and the two groups of guide rods are provided with stop structures through the arranged rubber plate 18, so that accidental lateral movement of the liquid crystal screen 15 can be avoided, the detection and use of the automatic testing equipment for the liquid crystal display are guaranteed.

In one embodiment, the rubber plate 18 and the liquid crystal screen 15 are located on the same vertical line, so that the rubber plate 18 can press the liquid crystal screen 15.

In one embodiment, two groups of through holes 24 and buzzer alarms 28 are respectively arranged on opposite surfaces of two groups of positioning plates 5, T-shaped rods 25 are respectively and slidably penetrated in the two groups of through holes 24 on the same side, movable plates 26 are fixedly arranged at one end parts of the two groups of T-shaped rods 25 on the same side, two groups of elastic springs 27 are fixedly arranged between one group of positioning plates 5 and one group of movable plates 26 on the same side, battery boxes 30 are respectively and fixedly arranged on far surfaces of the two groups of positioning plates 5, press switches 29 are respectively and fixedly arranged on opposite surfaces of the two groups of buzzer alarms 28, and operators can be prompted to timely close motor structures through the arranged positioning plates 5, so that electric power resources are saved for use of the automatic liquid crystal display testing equipment.

In one embodiment, batteries are disposed inside the two battery boxes 30, and the two pressing switches 29 are respectively electrically connected to the two batteries and the two buzzer alarms 28 through wires, and the two batteries supply power to the two buzzer alarms 28.

In one embodiment, the vertical cross-sectional dimension of the limiting ends of the four sets of T-bars 25 is greater than the vertical cross-sectional dimension of the four sets of through holes 24, avoiding the four sets of T-bars 25 from disengaging from the two sets of positioning plates 5.

In one embodiment, the electric cabinet is fixedly mounted on the upper portion of the portal frame 19, and the control panel and the storage battery are mounted in the electric cabinet, the control panel is electrically connected with the two groups of the first motor 6, the second motor 14 and the electromagnet 23 through electric wires, the control panel can be realized through simple programming by a person skilled in the art, and the control panel is only used and not modified, so that the control mode and the circuit connection are not described in detail.

In one embodiment, the multiple groups of conveying rollers 12 are all positioned on the same horizontal line, so that the conveying stability of the liquid crystal display 15 is ensured.

Working principle:

when the automatic testing equipment for the liquid crystal display is actually used, the control panel is utilized to enable the second motor 14 to start working, the output end of the second motor 14 drives a group of conveying rollers 12 to synchronously rotate, the conveying rollers 12 push the conveying belt 13 to displace, the conveying belt 13 drives the liquid crystal display 15 to transversely move, when the liquid crystal display 15 moves to an expected position, the control panel is utilized to enable the electromagnet 23 to be electrified, meanwhile, the second motor 14 is stopped, the magnetic force generated by the electromagnet 23 can enable the electromagnet 23 to move towards the upper part of the portal frame 19, in the process, the electromagnet 23 enables the rubber plate 18 to move downwards through two groups of guide rods 21, meanwhile, the electromagnet 23 extrudes two groups of telescopic springs 22 to enable the rubber plate 18 to be gradually in a compressed state, when the rubber plate 18 contacts with the liquid crystal display 15, the using position of the liquid crystal display 15 is fixed, after detection is finished, a worker is operated to enable the electromagnet 23 to be powered off through the control panel, the electromagnet 23 loses magnetic force, the two groups of telescopic springs 22 push the electromagnet 23 under the action of self elasticity to enable the rubber plate 18 to move upwards and reset to wait for the next use, the arranged rubber plate 18 is provided with a stopping structure, so that the accidental lateral movement of the liquid crystal screen 15 can be avoided, a guarantee is brought to the detection use of the automatic liquid crystal screen testing equipment, meanwhile, when the automatic liquid crystal screen testing equipment is actually used, the output ends of the two groups of first motors 6 are reversely rotated by utilizing the control panel, the output ends of the two groups of first motors 6 drive the two groups of rotating seats 7 to rotate, the two groups of rotating seats 7 respectively strike the two groups of moving plates 26, in the process, the four groups of elastic springs 27 are gradually in a compressed state, when the two groups of moving plates 26 strike the two groups of pressing switches 29, the two groups of buzzing alarms 28 sound to prompt operators, the rotating seat 7 rotates to the maximum angle, can stop two sets of first motors 6, when two sets of rotating seats 7 reset, four sets of elastic springs 27 receive self elasticity effect, through promoting two sets of movable plates 26, make it reset the motion, wait for next use, four sets of T shape poles 25 and four sets of through holes 24, can avoid two sets of movable plates 26 sideslip in-process, the condition emergence that appears rocking, through the locating plate 5 of setting, can prompt the operation workman in time to close motor structure, save electric power resources for the use of LCD screen automatic test equipment.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (7)

1. The utility model provides an automatic test equipment of LCD screen, its characterized in that, including fixing base (1), the equal fixed mounting in both sides of fixing base (1) has detection platform (2), and two sets of the upper portion of detection platform (2) all is provided with fixed plate (3), protection pad (4) and locating plate (5), and two sets of the rear end face of fixed plate (3) all runs through and installs first motor (6), and two sets of the output lateral wall of first motor (6) all has fixedly cup jointed roating seat (7), and two sets of the lower part of roating seat (7) all fixed mounting has detector (8), and two sets of the lower part of detector (8) all fixed mounting has four sets of rubber post (9), and two sets of the upper portion of roating seat (7) all fixed mounting has pilot lamp (10), the upper portion of fixing base (1) is provided with recess (11), and the inside rotation of recess (11) runs through and has multiunit conveying roller (12) to multiunit conveying roller (12)'s lateral wall has cup jointed conveyer belt (13), one side of motor (1) has detector (14) and one side (14) and one end (16) of LCD screen (15) have, one side of the end (15) is provided with on the conveyer screen (15), and one end tip of wire (16) is provided with pin subassembly (17), rubber slab (18) are installed to the top of LCD screen (15), two sets of the upper portion welding of detecting table (2) has portal frame (19), and two sets of guide holes (20) have been seted up on the upper portion of portal frame (19), and two sets of the inside of guide hole (20) all slides and runs through has guide arm (21), and two sets of one end tip fixed mounting of guide arm (21) has electro-magnet (23), two sets of the lateral wall of guide arm (21) has all cup jointed extension spring (22), two sets of the other end tip of guide arm (21) and the upper portion fixed connection of rubber slab (18).

2. An automatic test equipment for liquid crystal display according to claim 1, characterized in that the rubber plate (18) and the liquid crystal display (15) are both located on the same vertical line.

3. An automatic testing device for a liquid crystal display according to claim 1, wherein two groups of through holes (24) and buzzer alarms (28) are respectively arranged on opposite surfaces of two groups of positioning plates (5), T-shaped rods (25) are respectively and slidably penetrated in the through holes (24) on the same side, a movable plate (26) is fixedly arranged at one end part of each T-shaped rod (25) on the same side, two groups of elastic springs (27) are fixedly arranged between one group of positioning plates (5) and one group of movable plates (26) on the same side, battery boxes (30) are respectively and fixedly arranged on opposite surfaces of the two groups of positioning plates (5), and a pressing switch (29) is respectively and fixedly arranged on opposite surfaces of the buzzer alarms (28).

4. An automatic test equipment for a liquid crystal display according to claim 3, wherein batteries are arranged in the two groups of battery boxes (30), and the two groups of push switches (29) are respectively and electrically connected with the two groups of batteries and the two groups of buzzer alarms (28) through electric wires.

5. A liquid crystal display automatic test equipment according to claim 3, wherein the vertical cross-sectional dimensions of the limit ends of the four groups of T-shaped rods (25) are larger than the vertical cross-sectional dimensions of the four groups of through holes (24).

6. An automatic testing device for a liquid crystal display according to claim 1, wherein an electric cabinet is fixedly installed on the upper portion of the portal frame (19), a control panel and a storage battery are installed in the electric cabinet, and the control panel is electrically connected with the two groups of the first motor (6), the second motor (14) and the electromagnet (23) through electric wires.

7. An automatic test equipment for liquid crystal display according to claim 1, wherein the plurality of sets of the conveying rollers (12) are all positioned on the same horizontal line.