CN212229377U - Test bench for LCM (liquid crystal module) finished product test - Google Patents
Test bench for LCM (liquid crystal module) finished product test Download PDFInfo
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- CN212229377U CN212229377U CN202021010681.7U CN202021010681U CN212229377U CN 212229377 U CN212229377 U CN 212229377U CN 202021010681 U CN202021010681 U CN 202021010681U CN 212229377 U CN212229377 U CN 212229377U
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Abstract
The utility model discloses a testboard for LCM finished product test, including the testboard, install the PCB board that is equipped with detection LCM finished product procedure in the testboard, the top of testboard is provided with places the board, the upper surface of testboard is provided with U type support perpendicularly, be provided with the holding down plate in the U type support, the relative both sides of holding down plate slide and connect in two relative inboards of U type support, the holding down plate is located the top of placing the board, be provided with the drive assembly that drives the holding down plate up-and-down reciprocating motion in the U type support, the drive assembly includes the horizontal reciprocating screw who rotates to be connected in U type support lateral wall, slide and connect in the sliding block of horizontal reciprocating screw, set up in the hinge bar of the two-phase opposite side wall of sliding block and; the upper end of the hinged rod is hinged to the sliding block, and the lower end of the hinged rod is hinged to the upper surface of the lower pressing plate. The stability of the LCM finished product on the test bench can be enhanced, and therefore the test efficiency of the LCM finished product is improved.
Description
Technical Field
The utility model relates to a LCM test field, in particular to a testboard for LCM finished product test.
Background
LCM (LCD module), namely LCD display module and liquid crystal module, refers to a component which assembles the peripheral circuits such as liquid crystal display devices, connecting pieces, control and drive, PCB circuit board, backlight source, structural components and the like.
In order to ensure the performance of the LCM finished product, after the LCM finished product is finished, the performance, such as display effect, stability, electrical performance and the like, of the LCM finished product is tested. At present, when testing an LCM finished product, the LCM finished product is generally placed on a test bench, a PCB is installed in the test bench, a program for testing and setting the LCM finished product is arranged in the PCB, then a worker connects a terminal of the LCM finished product with an interface on the test bench, and puts tested data on a display screen, and then compares the tested data with a tested range of an LCM sample, thereby judging the quality of the LCM finished product.
However, most of the existing testing methods simply place the LCM finished product on the testing platform, and then connect the terminal of the LCM finished product with the interface on the testing platform, so that the LCM finished product is easy to move during testing, the terminal is disconnected from the interface on the testing platform, and no data can be measured during testing, so that the staff needs to place the LCM finished product on the testing platform again, and then the testing speed is affected.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a testboard for LCM finished product test, it can strengthen the stability of LCM finished product on the testboard to, improve its efficiency of software testing.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a test board for LCM finished product testing comprises a test board, wherein a PCB (printed Circuit Board) provided with a program for detecting LCM finished products is installed in the test board, a placing board is arranged above the test board, a U-shaped support is vertically arranged on the upper surface of the test board, a lower press plate is arranged in the U-shaped support, two opposite sides of the lower press plate are connected to two opposite inner sides of the U-shaped support in a sliding mode, the lower press plate is located above the placing board, a driving assembly for driving the lower press plate to reciprocate up and down is arranged in the U-shaped support, and the driving assembly comprises a transverse reciprocating lead screw rotatably connected to the side wall of the U-shaped support, a sliding block slidably connected to the transverse reciprocating lead screw, hinge rods arranged on two opposite side walls of the sliding block and a driving; the upper end of the hinged rod is hinged to the sliding block, and the lower end of the hinged rod is hinged to the upper surface of the lower pressing plate.
By adopting the technical scheme, when the test of the LCM finished product is carried out, the LCM finished product is placed on the placing plate of the test board firstly, the driving piece is started, the driving piece drives the transverse reciprocating screw rod to rotate, the transverse reciprocating screw rod drives the sliding block to move rightwards, the sliding block drives the hinge rod to move downwards, the hinge rod drives the lower pressing plate to move downwards, the lower surface of the lower pressing plate is in contact with the LCM finished product, the fixing of the LCM finished product is realized, the test platform is convenient for testing the LCM finished product, the test is to be finished, the driving piece is started again, the driving piece drives the transverse reciprocating screw rod to rotate, the transverse reciprocating screw rod drives the sliding block to move leftwards, the sliding block drives the hinge rod to move upwards, the hinge rod drives the lower pressing plate to move upwards, the lower surface of the lower pressing. The stability of the LCM finished product on the test bench can be enhanced, and therefore the test efficiency of the LCM finished product is improved.
The utility model discloses further set up to: horizontal reciprocating screw, sliding block and hinge bar all are provided with two, two horizontal reciprocating screw is coaxial to be set up, and two horizontal reciprocating screw shares a driving piece.
Through adopting above-mentioned technical scheme, all set up horizontal reciprocal lead screw, sliding block and hinge bar into two, the stability that the reinforcing holding down plate slided from top to bottom.
The utility model discloses further set up to: the driving piece is a driving handle.
Through adopting above-mentioned technical scheme, set up the driving piece into the drive handle, make things convenient for the staff to rotate horizontal reciprocating screw, further realize the drive to horizontal reciprocating screw.
The utility model discloses further set up to: the lateral wall of U type support is provided with the spacing subassembly that prevents the rotation of drive handle.
Through adopting above-mentioned technical scheme, the setting of spacing subassembly to prevent that horizontal reciprocal lead screw from taking place the rotation, influence the stability of pushing down of holding down plate, thereby, further strengthen the stability between holding down plate and the LCM finished product.
The utility model discloses further set up to: the limiting assembly comprises a ratchet wheel fixedly arranged on the transverse reciprocating screw rod and a pawl hinged to the side wall of the U-shaped support, and the pawl is clamped on the ratchet wheel.
Through adopting above-mentioned technical scheme, adopt pawl and ratchet matched with mode for the horizontal reciprocal lead screw of restriction takes place the rotation, simple structure, and convenient operation.
The utility model discloses further set up to: the outer wall of U type support has set firmly the connecting axle, the pawl rotates to be connected in the connecting axle, be provided with the torsional spring between pawl and the U type support, the one end of torsional spring sets firmly in U type support outer wall, the other end sets firmly in the pawl and is close to one side of U type support outer wall.
Through adopting above-mentioned technical scheme, the setting of torsional spring for when the pawl joint in the ratchet, keep the joint of pawl and ratchet constantly, prevent under the artificial condition of not operating, the pawl oneself breaks away from the ratchet.
The utility model discloses further set up to: the upper surface of the placing plate is respectively provided with sliding holes at four end corners of the placing plate, and the placing plate is provided with a bounce component which is convenient for LCM finished products to take.
Through adopting above-mentioned technical scheme, the setting of subassembly is bounced, makes things convenient for the staff to put on or take off the LCM finished product.
The utility model discloses further set up to: the mounting groove has been seted up in the position department of sliding the hole to place the board, the subassembly that bounces is including wearing to locate the spring post in sliding the hole and installing the compression spring in the mounting groove, the one end of spring post in the mounting groove has set firmly spacing outer bulge loop, compression spring's one end butt in spacing outer bulge loop, other end butt in the diapire of mounting groove.
Through adopting above-mentioned technical scheme, after LCM finished product test, lift the holding down plate for holding down plate and LCM finished product separation, under compression spring's effect, the bullet post is bounced, upwards jacks up the LCM finished product, and the staff of being convenient for takes off it.
The utility model discloses further set up to: the test board is divided into two parts and comprises an upper test board and a lower test board, wherein one end, close to each other, of the upper test board and one end, close to each other, of the lower test board are hinged through a hinge, and the other ends of the upper test board and the lower test board are locked and fixed through a lock catch.
Through adopting above-mentioned technical scheme, because the staff need detect the PCB board in the testboard sometimes, guarantee the accuracy of test result, perhaps when the PCB board needs to be changed and maintain, generally need open the testboard, open the testboard for the staff, divide into two parts with the testboard, including last test board and lower test board, the articulated together of one end of the two for the staff only need lift up the one end of going up the test board, just can open the testboard, thereby make opening of testboard more convenient.
To sum up, the utility model discloses following beneficial effect has: when the LCM finished product is tested, firstly, the LCM finished product is placed on a placing plate of a test bench, a driving piece is started, the driving piece drives a transverse reciprocating screw rod to rotate, the transverse reciprocating screw rod drives a sliding block to move rightwards, the sliding block drives a hinge rod to move downwards, the hinge rod drives a lower pressure plate to move downwards, the lower surface of the lower pressure plate is in contact with the LCM finished product, the LCM finished product is fixed, the test bench can conveniently test the LCM finished product, the test bench can test the LCM finished product, the driving piece is started again, the driving piece drives the transverse reciprocating screw rod to rotate, the transverse reciprocating screw rod drives the sliding block to move leftwards, the sliding block drives the hinge rod to move upwards, the hinge rod drives the lower pressure plate to move upwards, the lower surface of the lower pressure plate is separated. The stability of the LCM finished product on the test bench can be enhanced, and therefore the test efficiency of the LCM finished product is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic cross-sectional view of the plate and the pop-up assembly of the present invention;
fig. 5 is an enlarged view of a portion B in fig. 4.
In the figure, 1, a test stand; 11. an upper test board; 12. a lower test board; 21. a PCB board; 22. locking; 23. a hinge; 3. placing the plate; 31. a sliding hole; 32. mounting grooves; 4. a U-shaped bracket; 5. a lower pressing plate; 6. a drive assembly; 61. a transversely reciprocating lead screw; 62. a sliding block; 63. a hinged lever; 64. a drive handle; 7. a limiting component; 71. a ratchet wheel; 72. a pawl; 73. a connecting shaft; 74. a torsion spring; 8. a pop-up assembly; 81. bouncing up the column; 811. a limiting convex ring; 82. compressing the spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, fig. 2, for the utility model discloses a testboard for LCM finished product test, including testboard 1, testboard 1 includes and surveys test panel 11 and survey test panel 12 down, and it is articulated that hinge 23 is passed through to the one end of surveying two liang of butt joints of test panel 11 and survey test panel 12 down on, the other end of two liang of butt joints passes through hasp 22 locking fixed, and testboard 1 is inside to survey test panel 11 and survey and install PCB board 21 (not shown in the figure) down between test panel 12 on, and PCB board 21 is equipped with the off-the-shelf procedure of detection LCM for detect the LCM finished.
Referring to fig. 1 and 4, the upper surface of the upper test plate 11 is fixedly connected with a placing plate 3, sliding holes 31 are respectively formed in four corners of the upper surface of the placing plate 3, and the placing plate 3 is provided with a bounce component 8 at the position of the sliding hole 31 for facilitating taking of an LCM product.
Referring to fig. 4 and 5, the bouncing assembly 8 includes a bouncing post 81 and a compression spring 82, the placing plate 3 is provided with an installation groove 32 at the position of the sliding hole 31, the bouncing post 81 is inserted into the sliding hole 31, the end part inserted into the sliding hole 31 is arranged in the installation groove 32, one end of the bouncing post 81 arranged in the installation groove 32 is integrally formed with a limiting outer convex ring 811, and the limiting outer convex ring 811 axially slides along the groove wall of the installation groove 32; the compression spring 82 is installed in the installation groove 32, and one end of the compression spring 82 abuts against the limit convex ring 811 and the other end abuts against the bottom wall of the installation groove 32.
Bounce post 81 and place the one end outside board 3 in and be the toper setting, make things convenient for the off-the-shelf placing of LCM, when using, place the LCM finished product on placing board 3 earlier, and will bounce the through-hole cooperation on post 81 and the LCM finished product corner, make the accurate stable placing of LCM finished product on placing board 3, bounce post 81 plays the effect of support under compression spring 82, make things convenient for the staff to take the LCM finished product.
Referring to fig. 1 and 2, a U-shaped bracket 4 is vertically arranged on the upper surface of an upper test plate 11, the lower end of the U-shaped bracket 4 is fixedly connected to the upper surface of the upper test plate 11, a lower press plate 5 is arranged in the U-shaped bracket 4, two opposite sides of the lower press plate 5 are connected to two opposite inner sides of the U-shaped bracket 4 in a sliding manner, and the lower press plate 5 is always positioned above a placing plate 3; the rubber pad 51 is arranged at the position where the lower surface of the lower pressing plate 5 is contacted with the LCM finished product, so that the LCM finished product cannot be damaged when the lower pressing plate 5 is contacted with the LCM finished product.
In the test of the LCM finished product, because the LCM finished product is precise, a small static electricity can break down tiny components on the LCM finished product, so that the LCM finished product is discarded, in order to reduce the generation of the static electricity, the test bench 1 and the U-shaped bracket 4 are made of plastic or glass, and the lower pressing plate 5 and the placing plate 3 are also made of plastic or glass.
A driving assembly 6 is arranged in the U-shaped support 4 and used for driving the lower pressing plate 5 to reciprocate up and down, the driving assembly 6 comprises a driving handle 64, two transverse reciprocating screw rods 61, sliding blocks 62 corresponding to the two transverse reciprocating screw rods 61 one by one and four hinged rods 63, and every two hinged rods 63 correspond to one sliding block 62; the two transverse reciprocating lead screws 61 are coaxially arranged, one end of one transverse reciprocating lead screw 61 is rotatably connected to the inner wall of the U-shaped support 4, the end part penetrating through the inner wall of the U-shaped support 4 is fixedly connected with the driving handle 64, the other end of the transverse reciprocating lead screw is fixedly connected with the other transverse reciprocating lead screw 61, and the other end of the other transverse reciprocating lead screw 61 is rotatably connected to the inner wall of the U-shaped support 4 far away from the driving handle 64; the two sliding blocks 62 are respectively in threaded connection with the transverse reciprocating screw 61, the upper ends of two hinge rods 63 corresponding to the sliding blocks 62 are respectively hinged to two opposite sides of the sliding blocks 62 through upper hinge shafts, and the lower ends of the two hinge rods are hinged to the upper surface of the lower pressing plate 5 through lower hinge shafts.
The driving handle 64 is rotated, the driving handle 64 drives the two transverse reciprocating lead screws 61 to rotate coaxially, and the two transverse reciprocating lead screws 61 drive the two sliding blocks 62 to be close to or away from each other, so that the lower pressing plate 5 is driven to reciprocate up and down, and the LCM finished product is pressed and fixed.
Referring to fig. 2 and 3, the side wall of the U-shaped bracket 4 is provided with a limiting component 7 at the position of the driving handle 64 for preventing the driving handle 64 from rotating.
The limiting assembly 7 comprises a connecting shaft 73, a torsion spring 74, a ratchet wheel 71 and a pawl 72, the connecting shaft 73 is fixedly connected to the outer wall of the U-shaped support 4, the pawl 72 is rotatably connected to one end, away from the U-shaped support 4, of the connecting shaft 73, the torsion spring 74 is sleeved on the outer peripheral surface of the connecting shaft 73, one end of the torsion spring 74 is fixedly connected to the outer wall of the U-shaped support 4, and the other end of the torsion spring 74 is fixedly connected to one side, close to the outer; the ratchet 71 is fixedly connected to the outer peripheral surface of the traverse reciprocating screw 61, and the pawl 72 is engaged with the ratchet 71.
After the lower pressing plate 5 compresses and fixes the LCM finished product, the pawl 72 is pulled, so that the pawl 72 is clamped on the ratchet wheel 71, the transverse reciprocating lead screw 61 cannot rotate, and the stability of the lower pressing plate 5 for compressing and fixing the LCM finished product is enhanced.
The implementation principle of the embodiment is as follows: when testing the LCM finished product, firstly placing the LCM finished product on a placing plate 3 of an upper testing plate 11, matching a bouncing column 81 with a through hole on the corner of the LCM finished product, so that the LCM finished product is accurately and stably placed on the placing plate 3, rotating a driving handle 64, driving the driving handle 64 to drive two transverse reciprocating lead screws 61 to rotate coaxially, driving the two transverse reciprocating lead screws 61 to drive two sliding blocks 62 to approach each other, so that a lower pressing plate 5 moves downwards to press and fix the LCM finished product, then pulling a pawl 72, so that the pawl 72 is clamped on a ratchet 71, and the transverse reciprocating lead screws 61 cannot rotate and then test; after the test is finished, the driving handle 64 is rotated again, the driving handle 64 drives the two transverse reciprocating lead screws 61 to rotate coaxially, the two transverse reciprocating lead screws 61 drive the two sliding blocks 62 to be away from each other, so that the lower pressing plate 5 moves upwards, the lower pressing plate 5 is separated from the LCM finished product, the bouncing columns 81 bounce up under the action of the compression springs 82 to jack the LCM finished product upwards, a worker can take the LCM finished product down conveniently, and the whole test work is finished. It can strengthen the stability of LCM finished product on testboard 1 to, improve its test efficiency.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. A test bench for LCM finished product test comprises a test bench (1), wherein a PCB (21) for detecting LCM finished product programs is installed in the test bench (1), and the test bench is characterized in that: a placing plate (3) is arranged above the test board (1), a U-shaped bracket (4) is vertically arranged on the upper surface of the test board (1), a lower pressing plate (5) is arranged in the U-shaped bracket (4), two opposite sides of the lower pressing plate (5) are connected with two opposite inner sides of the U-shaped bracket (4) in a sliding way, the lower pressing plate (5) is positioned above the placing plate (3), a driving component (6) for driving the lower pressing plate (5) to reciprocate up and down is arranged in the U-shaped bracket (4), the driving assembly (6) comprises a transverse reciprocating screw rod (61) rotatably connected to the side wall of the U-shaped support (4), a sliding block (62) connected to the transverse reciprocating screw rod (61) in a sliding mode, hinged rods (63) arranged on two opposite side walls of the sliding block (62) and a driving piece for driving the transverse reciprocating screw rod (61) to rotate; the upper end of the hinged rod (63) is hinged to the sliding block (62), and the lower end of the hinged rod is hinged to the upper surface of the lower pressing plate (5).
2. A test bench for LCM product testing according to claim 1 wherein: horizontal reciprocating lead screw (61), sliding block (62) and hinge bar (63) all are provided with two, two horizontal reciprocating lead screw (61) coaxial setting, and two horizontal reciprocating lead screw (61) a driving piece of sharing.
3. A test bench for LCM product testing according to claim 1 wherein: the driving piece is a driving handle (64).
4. A test bench for LCM product testing according to claim 3 wherein: and the side wall of the U-shaped bracket (4) is provided with a limiting component (7) for preventing the driving handle (64) from rotating.
5. A test bench for LCM finished product testing according to claim 4, characterized in that: the limiting assembly (7) comprises a ratchet wheel (71) fixedly arranged on the transverse reciprocating lead screw (61) and a pawl (72) hinged to the side wall of the U-shaped support (4), and the pawl (72) is connected with the ratchet wheel (71) in a clamping mode.
6. A test bench for LCM finished product testing according to claim 5, characterized in that: the outer wall of U type support (4) sets firmly connecting axle (73), pawl (72) rotate to be connected in connecting axle (73), be provided with torsional spring (74) between pawl (72) and U type support (4), the one end of torsional spring (74) sets firmly in U type support (4) outer wall, the other end sets firmly in pawl (72) and is close to one side of U type support (4) outer wall.
7. A test bench for LCM product testing according to claim 1 wherein: the upper surface of the placing plate (3) is respectively provided with sliding holes (31) at four corners of the upper surface, and the placing plate (3) is provided with a bounce component (8) which is convenient for the LCM finished product to take at the positions of the sliding holes (31).
8. A test bench for LCM finished product testing according to claim 7, characterized in that: place board (3) and seted up mounting groove (32) in the position department of sliding hole (31), bounce subassembly (8) including wear to locate bounce post (81) of sliding hole (31) and install compression spring (82) in mounting groove (32), the one end of bouncing post (81) in mounting groove (32) has set firmly spacing outer bulge loop (811), the one end butt of compression spring (82) in spacing outer bulge loop (811), the other end butt in the diapire of mounting groove (32).
9. A test bench for LCM product testing according to claim 1 wherein: the test board (1) is divided into two parts and comprises an upper test board (11) and a lower test board (12), wherein one end, close to each other, of the upper test board (11) and the lower test board (12) is hinged through a hinge (23), and the other end of the upper test board and the other end of the lower test board are locked and fixed through a lock catch (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021010681.7U CN212229377U (en) | 2020-06-04 | 2020-06-04 | Test bench for LCM (liquid crystal module) finished product test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021010681.7U CN212229377U (en) | 2020-06-04 | 2020-06-04 | Test bench for LCM (liquid crystal module) finished product test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212229377U true CN212229377U (en) | 2020-12-25 |
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ID=73930962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021010681.7U Expired - Fee Related CN212229377U (en) | 2020-06-04 | 2020-06-04 | Test bench for LCM (liquid crystal module) finished product test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212229377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114163024A (en) * | 2021-12-10 | 2022-03-11 | 江苏龙净科杰环保技术有限公司 | Novel water treatment system |
-
2020
- 2020-06-04 CN CN202021010681.7U patent/CN212229377U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114163024A (en) * | 2021-12-10 | 2022-03-11 | 江苏龙净科杰环保技术有限公司 | Novel water treatment system |
| CN114163024B (en) * | 2021-12-10 | 2022-10-04 | 江苏龙净科杰环保技术有限公司 | Water treatment system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |