LCM detection device

Abstract

The utility model discloses an LCM detection device, and relates to the detection device technology field, the LCM detection device comprises an installation bench, a test bench arranged on the top surface of the installation bench, and a shaking motor arranged on one side of the test bench, the test bench is internally provided with a fixing assembly, the fixing assembly comprises a rotating plate rotatably connected in the test bench, and the rotating plate is connected with the shaking motor. A limiting sliding groove is formed in the top surface of the rotating plate, a guiding sliding groove is formed in the top surface of the test table, the limiting sliding groove is obliquely formed, and the guiding sliding groove is linearly formed; according to the liquid crystal module clamping device, by arranging the positioning assembly, the side walls of the liquid crystal module can be abutted against from four directions, the liquid crystal module can be centered, positioned and clamped, and the clamping piece can horizontally slide within a certain range, so that the positioning assembly can also clamp the side walls of the irregular liquid crystal module within a certain range; and therefore, the device has relatively high stability and relatively high universality.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to an LCM detection device. Background Art

[0002] LCM stands for LCD Module. Specifically, it is a component that assembles liquid crystal display devices, connectors, integrated circuits, PCB circuit boards, backlight sources and structural parts together. It is also called liquid crystal module. With the rapid development of science and technology, liquid crystal modules are an important part of modern electronic equipment. Their performance and quality are crucial to ensure the stability and reliability of the entire equipment. Liquid crystal modules need to undergo a series of tests during the production process to ensure that their various performance parameters meet the standards, among which jitter testing is an important part. Jitter testing is mainly used to detect whether the liquid crystal module can remain stable and undamaged when subjected to external vibration or impact.

[0003] At present, most of the LCD module jitter test devices on the market use simple clamping methods, such as single-point clamping or double-side clamping. The single-point or double-side clamping methods cannot guarantee the stability of the LCD module during the test. The LCD module may slide out from the side that is not clamped, causing the LCD module to fall and be damaged.

[0004] In view of this, this application is hereby filed. Utility Model Content

[0005] The purpose of the utility model is to provide a LCM detection device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides an LCM detection device, including a mounting table, a test table arranged on the top surface of the mounting table, and a shaking motor installed on one side of the test table, wherein a fixing component is arranged in the test table, and the fixing component includes a rotating plate rotatably connected to the test table, a limiting slide groove is provided on the top surface of the rotating plate, a guide slide groove is provided on the top surface of the test table, the limiting slide groove is inclined, the guide slide groove is straightly provided, the limiting slide groove and the guide slide groove are staggered, a connecting block is provided at the intersection of the limiting slide groove and the guide slide groove, a positioning piece is connected to the top surface of the connecting block, there are multiple limiting slide grooves and guide slide grooves, and their number and position correspond.

[0007] Furthermore, an adjustment cavity is opened in the test bench, a partition is arranged in the adjustment cavity, the rotating plate is rotatably connected in the partition, there are four limit slide grooves and four guide slide grooves, which are opened at equal intervals in a circular array, and the guide slide grooves pass through from the top surface of the test bench to the top surface of the rotating plate.

[0008] Furthermore, a limiting strip is arranged at the top of the limiting slide groove, and the connecting block comprises two upper and lower sliding blocks, the lower sliding block is in a convex shape, the lower sliding block can only slide along the opening direction of the limiting slide groove, and the upper sliding block can only slide along the opening direction of the guide slide groove, and the upper and lower sliding blocks are connected by a columnar body.

[0009] Furthermore, a plurality of springs are arranged in a linear array on the top surface of the mounting table, the other end of the springs is fixedly connected to the bottom surface of the test table, a fixing frame is arranged on one side of the top surface of the mounting table, a latch is slidably connected in the fixing frame, and the other end of the latch is inserted into the test table.

[0010] Furthermore, a mounting plate is fixedly mounted on the top surface of the upper slider, and the positioning member is arranged on a surface of the mounting plate close to the center of the circular array of the limiting slide groove and the guide slide groove. The positioning member includes a rubber pad, and a telescopic spring and a telescopic rod are arranged between the rubber pad and the mounting plate. The telescopic rod has three telescopic rods arranged at equal intervals in a linear array, and the number of the telescopic springs corresponds to the telescopic rods, and the telescopic springs are arranged around the outer wall thereof.

[0011] Furthermore, it also includes a driving assembly for adjusting the fixing assembly, the driving assembly includes a worm rotatably connected to the test bench, the bottom end of the rotating plate passes through the partition and is arranged below the partition, and a worm wheel meshing with the worm is arranged on it.

[0012] Furthermore, the fixing components have three rows, each row has three fixing components, and are arranged at equal intervals. The number of the worms corresponds to the number of rows of the fixing components, and the worms are meshed with worm wheels arranged on the three fixing components.

[0013] Furthermore, a handle is provided on one end of the worm located on the outer side of the test bench, and the handle is in the shape of a straight slot, and the center of the straight slot is the same as the center of the worm.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By setting up a positioning component, the side walls of the liquid crystal module can be resisted from four directions, and the liquid crystal module can be centrally positioned and clamped, and the clamping member can slide horizontally within a certain range, so that the positioning component can also clamp the side walls of irregular liquid crystal modules within a certain range, thereby making the device have stronger stability and higher versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of an LCM detection device;

[0017] Figure 2 A bottom view of the cross-sectional structure of an LCM detection device;

[0018] Figure 3 A cross-sectional top view of an LCM detection device;

[0019] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0020] In the figure: 1. mounting table; 101. fixing frame; 102. latch; 2. test table; 201. adjusting chamber; 202. partition; 3. fixing assembly; 301. rotating plate; 302. limiting slide groove; 303. guide slide groove; 304. connecting block; 305. mounting plate; 306. positioning member; 4. driving assembly; 401. worm; 402. worm wheel. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 The utility model provides a technical solution: it includes a mounting table 1, a test table 2 arranged on the top surface of the mounting table 1, and a shaking motor installed on one side of the test table 2, a fixing component 3 is arranged in the test table 2, a plurality of springs are arranged in a linear array on the top surface of the mounting table 1, and the other end of the spring is fixedly connected to the bottom surface of the test table 2, a fixing frame 101 is arranged on one side of the top surface of the mounting table 1, a latch 102 is slidably connected in the fixing frame 101, and the other end of the latch 102 is plugged into the test table 2.

[0023] By adopting the above design, when it is necessary to perform a jitter test on the liquid crystal module, the liquid crystal module is first placed on the top surface of the test bench 2 and fixed by the fixing component 3, and then the pin 102 is pulled out from the test bench 2, and the jitter motor is started to drive the test bench 2 to jitter, so as to perform a jitter test on the liquid crystal model.

[0024] The fixing assembly 3 includes a rotating plate 301, an adjusting chamber 201 is provided in the test bench 2, a partition 202 is provided in the adjusting chamber 201, the rotating plate 301 is rotatably connected in the partition 202, a limiting slide groove 302 is provided on the top surface of the rotating plate 301, a guide slide groove 303 is provided on the top surface of the test bench 2, the limiting slide groove 302 is provided at an angle, the guide slide groove 303 is provided in a straight line, the limiting slide groove 302 and the guide slide groove 303 are staggered, a connecting block 304 is provided at the intersection of the limiting slide groove 302 and the guide slide groove 303, a positioning piece 306 is connected to the top surface of the connecting block 304, there are four limiting slide grooves 302 and four guide slide grooves 303, the number and position of which correspond, and they are provided in a circular array with equal intervals, and the guide slide groove 303 runs through from the top surface of the test bench 2 to the top surface of the rotating plate 301.

[0025] By adopting the above design, after the rotating plate 301 rotates, the intersections of the four limit slots 302 and the guide slots 303 will change, so that the connecting block 304, which can only exist at the intersection of the limit slots 302 and the guide slots 303, can slide along the development direction of the guide slots 303, so that the positioning piece 306 connected to the top surface of the connecting block 304 can vertically approach or move away from the center of the circular array of the limit slots 302 and the guide slots 303.

[0026] When a jitter test is required, the LCD module can be placed at the center of the circular array of the limiting slide groove 302 and the guide slide groove 303, and then the rotating plate 301 is rotated to drive the four positioning members 306 to move toward the center of the circular array, so that the LCD module can be centrally positioned and clamped from four directions simultaneously. In the process of the jitter test, the LCD module is not clamped in some directions and is thrown out by the centrifugal force greater than the friction resistance during clamping, resulting in falling and damage.

[0027] Specifically, refer to Figure 3 and Figure 4 A limiting strip is arranged at the top of the limiting slide groove 302, and the connecting block 304 includes two upper and lower sliders. The lower slider is in a convex shape. The lower slider can only slide along the opening direction of the limiting slide groove 302, and the upper slider can only slide along the opening direction of the guide slide groove 303. The upper and lower sliders are connected by a columnar body.

[0028] By adopting the above design, during the jitter test, the connection block 304 will be limited by the limit bar and cannot slide out of the limit slide groove 302, thereby preventing the liquid crystal module from being thrown out with the connection block 304 and then falling and being damaged.

[0029] See also Figure 1 , Figure 2 and Figure 4Furthermore, a mounting plate 305 is fixedly mounted on the top surface of the upper slider, and a positioning member 306 is arranged on one surface of the mounting plate 305 close to the center of the circumferential array of the limiting slide groove 302 and the guide slide groove 303. The positioning member 306 includes a rubber pad, and a telescopic spring and a telescopic rod are arranged between the rubber pad and the mounting plate 305. There are three telescopic rods arranged at equal intervals in a linear array, and the number of the telescopic springs corresponds to the telescopic springs, and the telescopic rods are arranged around the outer wall thereof.

[0030] By adopting the above design, when the rotating plate 301 is rotated to drive the positioning member 306 to clamp the edge of the liquid crystal module, the rubber pad first contacts its edge. The rubber pad is relatively soft and has a high friction force. It can prevent damage to the edge of the liquid crystal module caused by excessive clamping while clamping the liquid crystal module more stably.

[0031] In addition, the telescopic spring and telescopic rod arranged between the rubber pad and the mounting plate 305 allow the positioning member 306 to slide horizontally, thereby enabling the positioning member 306 to have an adaptive clamping function. When the edge of the liquid crystal module is an irregular shape, it can also be clamped, making the device highly versatile.

[0032] For further information, see Figure 1-3 , and also includes a driving component 4 for adjusting the fixed component 3, the driving component 4 includes a worm 401 rotatably connected to the test bench 2, the bottom end of the rotating plate 301 passes through the partition 202 and is arranged below the partition 202, and a worm wheel 402 meshing with the worm 401 is arranged thereon, the fixed component 3 has three rows, each row has three, and is arranged at equal intervals, the number of the worm 401 corresponds to the number of rows of the fixed components 3, and the worm 401 is meshed with the worm wheels 402 arranged on the three fixed components 3.

[0033] By adopting the above-mentioned design, the clamping range of the three fixed components 3 in the column can be synchronously adjusted by rotating the worm 401 even outside the test bench 2, thereby making the use of the device more convenient. Moreover, due to the one-way transmission characteristics of the worm 401 and the worm wheel 402, during the jitter test, even if the rotating plate 301 is subjected to force and vibrates, the worm wheel 402 will be limited by the worm 401 and cannot rotate, thereby making the rotating plate 301 unable to rotate, thereby ensuring stability during the test.

[0034] In addition, reference Figure 1-3 A handle is also provided on one end of the worm 401 located on the outside of the test bench 2. The handle is in the shape of a straight slot, and the center of the straight slot is the same as the center of the worm 401.

[0035] Compared with the smooth side wall of the worm 401, the handle has a larger gripping area and has certain edges and corners, which makes it easier for the staff to apply force during rotation.

[0036] Working principle:

[0037] When the LCD module needs to be tested for jitter, the LCD module is first placed on the top surface of the test bench 2, and then the worm 401 is rotated to drive the rotating plate 301 to rotate through the worm gear 402 mounting table 1, thereby driving the positioning member 306 to center the LCD module from four directions.

[0038] After the clamping is completed, the latch 102 can be pulled out from the test bench 2, and then the shaking motor can be started to drive the test bench 2 to shake, so as to perform a shaking test on the liquid crystal model.

Claims

1. An LCM detection device, comprising a mounting platform (1), a test platform (2) arranged on the top surface of the mounting platform (1), and a shaking motor installed on one side of the test platform (2), wherein a fixing component (3) is arranged in the test platform (2), characterized in that: The fixing assembly (3) comprises a rotating plate (301) rotatably connected to the test bench (2); a limiting slide groove (302) is provided on the top surface of the rotating plate (301); a guiding slide groove (303) is provided on the top surface of the test bench (2); the limiting slide groove (302) is provided at an angle; the guiding slide groove (303) is provided in a straight line; the limiting slide groove (302) and the guiding slide groove (303) are staggered; a connecting block (304) is provided at the intersection of the limiting slide groove (302) and the guiding slide groove (303); a positioning member (306) is connected to the top surface of the connecting block (304); there are a plurality of limiting slide grooves (302) and guiding slide grooves (303), and the number and position of the limiting slide grooves (302) and the guiding slide grooves (303) correspond.

2. A LCM detection device as claimed in claim 1, characterized in that: The test bench (2) is provided with an adjustment cavity (201), a partition (202) is provided in the adjustment cavity (201), the rotating plate (301) is rotatably connected in the partition (202), there are four limit slide grooves (302) and four guide slide grooves (303), which are arranged at equal intervals in a circular array, and the guide slide grooves (303) are connected from the top surface of the test bench (2) to the top surface of the rotating plate (301).

3. A LCM detection device as claimed in claim 2, characterized in that: A limiting strip is arranged at the top of the limiting slide groove (302), and the connecting block (304) comprises two upper and lower sliding blocks, wherein the lower sliding block is in a convex shape and can only slide along the opening direction of the limiting slide groove (302), and the upper sliding block can only slide along the opening direction of the guide slide groove (303), and the upper and lower sliding blocks are connected by a columnar body.

4. A LCM detection device as claimed in claim 3, characterized in that: The top surface of the mounting platform (1) is provided with a plurality of springs in a linear array, the other ends of the springs are fixedly connected to the bottom surface of the test platform (2), a fixing frame (101) is provided on one side of the top surface of the mounting platform (1), a latch (102) is slidably connected in the fixing frame (101), and the other end of the latch (102) is plugged into the test platform (2).

5. A LCM detection device as claimed in claim 4, characterized in that: A mounting plate (305) is fixedly mounted on the top surface of the upper slider, and the positioning member (306) is arranged on a surface of the mounting plate (305) close to the center of the circumferential array of the limiting slide groove (302) and the guide slide groove (303). The positioning member (306) includes a rubber pad, and a telescopic spring and a telescopic rod are arranged between the rubber pad and the mounting plate (305). The telescopic rod has three telescopic rods arranged at equal intervals in a linear array, and the number of the telescopic springs corresponds to the number of the telescopic springs, and the telescopic springs are arranged around the outer wall of the telescopic rod.

6. A LCM detection device as claimed in claim 5, characterized in that: It also includes a driving assembly (4) for adjusting the fixing assembly (3), the driving assembly (4) including a worm (401) rotatably connected to the test bench (2), the bottom end of the rotating plate (301) passing through the partition (202) and arranged below the partition (202), and a worm wheel (402) meshing with the worm (401) is arranged on the rotating plate (301).

7. A LCM detection device as claimed in claim 6, characterized in that: The fixed components (3) have three rows, each row has three worms, which are arranged at equal intervals. The number of the worms (401) corresponds to the number of rows of the fixed components (3). The worms (401) mesh with the worm wheels (402) arranged on the three fixed components (3).

8. A LCM detection device as claimed in claim 7, characterized in that: A handle is also provided on one end of the worm (401) located outside the test bench (2); the handle is in the shape of a straight slot, and the center of the straight slot is the same as the center of the worm (401).

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