CN113457995B - Test method of vehicle-mounted display screen - Google Patents
Test method of vehicle-mounted display screen Download PDFInfo
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- CN113457995B CN113457995B CN202110770660.8A CN202110770660A CN113457995B CN 113457995 B CN113457995 B CN 113457995B CN 202110770660 A CN202110770660 A CN 202110770660A CN 113457995 B CN113457995 B CN 113457995B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
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Abstract
The invention discloses a method for testing a vehicle-mounted display screen, which comprises the following steps: the method comprises the steps of box body processing, clamping mechanism installation, feeding mechanism installation, testing mechanism installation and vehicle-mounted display screen testing. The testing method disclosed by the invention is simple in steps, not only is beneficial to automatic loading and unloading of the vehicle-mounted display screen, but also can realize automatic clamping and testing of the vehicle-mounted display screen, and unqualified and qualified vehicle-mounted display screens are conveyed separately after the testing is finished, so that the testing efficiency and sorting efficiency of the vehicle-mounted display screen are greatly improved, and the labor intensity of manual operation is reduced.
Description
Technical Field
The invention relates to a method for testing a vehicle-mounted display screen.
Background
In recent years, with the development of society and the advancement of technology, vehicles with high intelligence and informatization are increasing, and a vehicle-mounted display screen becomes an important component in modern intelligent vehicles.
The vehicle-mounted display screen need carry out the roughness to the vehicle-mounted display screen after the assembly and detect in actual production process, and the roughness of vehicle-mounted display screen not only influences its aesthetic property, influences the content demonstration of display screen moreover, but generally simple among the prior art detects its roughness, can not realize the quick letter sorting of assembly line to unqualified vehicle-mounted display screen, has reduced production efficiency.
Disclosure of Invention
The invention aims to provide the technical scheme of the testing method of the vehicle-mounted display screen aiming at the defects in the prior art, the testing method of the vehicle-mounted display screen is simple in step, not only is the automatic loading and unloading of the vehicle-mounted display screen facilitated, but also the automatic clamping and testing of the vehicle-mounted display screen can be realized, unqualified and qualified vehicle-mounted display screens are separately conveyed after the testing is finished, the testing efficiency and the sorting efficiency of the vehicle-mounted display screen are greatly improved, and the labor intensity of manual operation is reduced.
In order to solve the technical problems, the invention adopts the following technical scheme:
the test method of the vehicle-mounted display screen is characterized by comprising the following steps:
1) Box processing
a. Firstly, determining the size of a box body according to design requirements, manufacturing a corresponding box body, arranging a circular groove for mounting a test board along the center of the top surface of the box body, connecting the test board to the box body through a rotating assembly, and uniformly arranging discharge notches along the test board, so that the discharge notches are uniformly distributed in an annular shape, and the design of the circular groove greatly improves the stability and reliability of the test board during rotation;
b. then respectively arranging discharge ports along the front side and the left side of the box body, simultaneously arranging corresponding discharge holes at set positions of the box body to enable the discharge ports to be communicated with the discharge holes, installing a first discharge conveyer belt on the discharge port positioned at the front side, installing a second discharge conveyer belt on the discharge port positioned at the left side, and sorting qualified and unqualified vehicle-mounted display screens by enabling the detected vehicle-mounted display screens to enter the corresponding discharge ports through the discharge holes and outputting the vehicle-mounted display screens through the first discharge conveyer belt or the second discharge conveyer belt;
c. then, the mounting positions of the feeding mechanism and the testing mechanism are respectively determined according to the top surface of the box body, so that the mounting stability of the feeding mechanism and the testing mechanism is improved, and the clamping mechanism can conveniently rotate along the corresponding stations;
2) Mounting of clamping mechanism
a. Firstly, the mounting position of the clamping mechanism is determined along the top surface of the test board, and marks are made, each clamping mechanism corresponds to a corresponding discharge notch, so that a tested vehicle-mounted display screen can directly fall into the corresponding discharge notch, the mechanical structure of discharging is simplified, and the test steps are shortened;
b. then processing a corresponding first support frame and a second support frame according to design requirements, installing the two first support frames on the top surface of the test board in parallel and on two sides of a corresponding discharging notch, fixedly installing the second support frame on the test board and on the outer side of the first support frame on one side, selecting a proper first motor, fixedly installing the first motor on the second support frame, installing a speed reducer between the first support frame and the second support frame, connecting the speed reducer with the first motor, improving the stability and reliability of installation of the first motor by the second support frame, and driving the cross beam to rotate through the speed reducer by the first motor to meet the requirement of actual processing;
c. then, a proper cross beam is selected according to the distance between the two first support frames, rotating plates are symmetrically installed along the two ends of the cross beam and are respectively connected to the first support frames on the two sides in a rotating mode, an output shaft of the speed reducer is connected with the rotating plate on the corresponding side, the first support frames improve the stability and reliability of cross beam installation and further improve the stability of vehicle-mounted display screen testing, the cross beam can be driven to rotate through the speed reducer, and then the vehicle-mounted display screen is driven to rotate and fall into a corresponding discharge chute;
d. finally, a clamping assembly is arranged on the cross beam and used for clamping and positioning the vehicle-mounted display screen;
3) Feed mechanism installation
a. Firstly, determining a first cantilever and a first upright post according to design requirements, horizontally and fixedly installing the first cantilever at the top end of the first upright post, and fixing the first upright post on a box body, so that a vehicle-mounted display screen to be tested can be conveniently and stably conveyed to a test bench;
b. then, a second guide groove is horizontally formed along the side face of the first cantilever, a second motor is installed along the end portion of the first cantilever, a first screw is connected to the second motor, the first screw is located in the first cantilever, the first screw is driven to be screwed through the second motor, the horizontal moving plate can be driven to horizontally move along the second guide groove, and the moving stability and reliability of the clamping assembly are improved;
c. processing a horizontal moving plate with a corresponding size according to design requirements, wherein the horizontal moving plate is connected with a first screw rod through a boosting block, a base plate is installed along the bottom of the horizontal moving plate, a clamping component is installed on the base plate, a feeding conveyer belt is installed below the clamping component, a vehicle-mounted display screen to be tested on the feeding conveyer belt can be clamped through the clamping component and is horizontally conveyed to a test board through the horizontal moving plate, and the feeding efficiency of the vehicle-mounted display screen to be tested is greatly improved;
4) Test mechanism installation
a. Firstly, processing a corresponding second upright post according to design requirements, vertically installing a guide rod along the inside of the second upright post, simultaneously installing a third motor along the inside of the second upright post, connecting a second screw rod along the top of the third motor, enabling the second screw rod to be parallel to the guide rod, driving the second screw rod to rotate through the third motor, enabling a lifting block to drive a second cantilever to ascend or descend, adjusting the distance between a detection box and a vehicle-mounted display screen to be tested, improving the test precision, improving the stability and reliability of the up-and-down movement of the lifting block through the guide rod, and further improving the stability and reliability of the movement of the second cantilever;
b. then, a corresponding second cantilever is machined according to design requirements, a lifting block is arranged along one end of the second cantilever, the lifting block is sleeved on a second screw rod and a guide rod, and a positioning strip is horizontally arranged along the front side surface of the second cantilever, so that the movement stability and reliability of the detection box are improved by the positioning strip, and the test precision is improved;
c. then, a fourth motor, a third screw rod and a positioning block are arranged along the top of the second cantilever, the fourth motor is connected with the positioning block through the third screw rod, the third screw rod is driven to rotate through the fourth motor, and then the detection box can be driven to horizontally move, so that the test requirements of vehicle-mounted display screens with different sizes are met;
d. and finally, selecting a proper detection box according to design requirements, connecting the detection box to the positioning strip and the third screw rod, and installing a corresponding sensor in the detection box.
5) Vehicle mounted display screen testing
a. Firstly, conveying an assembled vehicle-mounted display screen to be tested through a feeding conveying belt, stopping the feeding conveying belt to move when the vehicle-mounted display screen to be tested is conveyed to the position below a clamping component, and clamping the vehicle-mounted display screen to be tested through the clamping component;
b. then a second motor on the first cantilever is started, the horizontal moving block and the clamping component are driven to move horizontally through the first screw rod, and the vehicle-mounted display screen to be tested is driven to move to the position above the test board;
c. then, loosening the clamping assembly to enable the vehicle-mounted display screen to be tested to fall into the clamping assembly on the clamping mechanism, and positioning the vehicle-mounted display screen to be tested through the clamping assembly;
d. then starting the rotating assembly, driving the test board to rotate through the rotating assembly, moving the vehicle-mounted display screen to be tested on the clamping assembly to the lower part of the detection box, and detecting the flatness of the vehicle-mounted display screen to be tested through the detection box;
e. after the test is qualified, the test board rotates to the position of the second discharging conveyer belt, the tested vehicle-mounted display screen falls into a discharging hole in the second discharging conveyer belt through the rotation of the clamping assembly, and the vehicle-mounted display screen is conveyed to a packaging station through the second discharging conveyer belt;
f. when the detection is unqualified, the test board rotates to the position of the first discharging conveyer belt, the tested vehicle-mounted display screen falls into a discharging hole in the first discharging conveyer belt through the rotation of the clamping assembly, and the vehicle-mounted display screen is conveyed to a defective area through the first discharging conveyer belt;
g. and circulating the steps to realize the continuous test of the vehicle-mounted display screen.
The testing method of the vehicle-mounted display screen is simple in steps, not only is automatic loading and unloading of the vehicle-mounted display screen facilitated, but also automatic clamping and testing of the vehicle-mounted display screen can be achieved, unqualified vehicle-mounted display screens and qualified vehicle-mounted display screens are conveyed separately after testing is finished, testing efficiency and sorting efficiency of the vehicle-mounted display screen are greatly improved, and labor intensity of manual operation is reduced.
Further, the rotating assembly comprises a driving motor and a transmission shaft, the driving motor is arranged in the box body, the center of the bottom surface of the test board is connected with the driving motor through the transmission shaft, the driving motor can drive the test board to rotate through the transmission shaft, the flatness test requirement of the vehicle-mounted display screen is met, automatic control is convenient to achieve, and the labor intensity of manual operation is reduced.
Further, all install the wedge in the discharge gate, install the buffering foam pad on the inclined plane of wedge, the on-vehicle display screen that the design of wedge was convenient for drop directly falls on first ejection of compact conveyer belt or second ejection of compact conveyer belt, has improved the efficiency of output greatly, and the buffering foam pad can play the effect of protection on-vehicle display screen, avoids causing the damage.
Further, the rotation angle of the rotating plate in the step 2) process C is 0-360 degrees, and the design of the rotation angle is convenient for supporting the vehicle-mounted display screen, improves the flatness testing precision, and can enable the detected vehicle-mounted display screen to fall into the discharge chute after rotation, so that the vehicle-mounted display screen is convenient to output.
Further, step 2) clamping unit in the process d includes clamping box and first cylinder, clamping box and first cylinder locate the upper and lower both sides of crossbeam respectively, be provided with the standing groove that is used for placing on-vehicle display screen on the clamping box, one side of standing groove is provided with the draw-in groove, the opposite side removal of standing groove is connected with the pinch-off blades, the first cylinder is connected to the pinch-off blades, the bottom of standing groove is provided with two first guide ways that are parallel to each other, after on-vehicle display screen fell into the standing groove of clamping box, start first cylinder, drive the pinch-off blades along first guide way horizontal migration, realize the clamp tightly to on-vehicle display screen, the other end of on-vehicle display screen is spacing in the draw-in groove, after the crossbeam upset, unclamp the pinch-off blades and can make on-vehicle display screen drop.
Further, the centre gripping subassembly in step 3) process C includes the second cylinder that two symmetries set up, and the second cylinder is connected with the supporting rod respectively through the piston rod, and two supporting rod antiport can drive the supporting rod horizontal migration through the second cylinder through the piston rod, realize the clamp tight or loosen on-vehicle display screen.
Further, the size of ejection of compact notch is greater than vehicle-mounted display screen's size, and the vehicle-mounted display screen after the test of being convenient for can fall into the ejection of compact notch smoothly in.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the testing method for the vehicle-mounted display screen is simple in steps, not only is beneficial to automatic loading and unloading of the vehicle-mounted display screen, but also can realize automatic clamping and testing of the vehicle-mounted display screen, unqualified vehicle-mounted display screens and qualified vehicle-mounted display screens are conveyed separately after testing is finished, testing efficiency and sorting efficiency of the vehicle-mounted display screen are greatly improved, and labor intensity of manual operation is reduced.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic connection diagram of a box body, a clamping mechanism, a feeding mechanism and a testing mechanism in the testing method of the vehicle-mounted display screen;
FIG. 2 is a schematic view of the connection between the test station and the rotary assembly of the present invention;
FIG. 3 is a schematic view of the connection between the first discharge conveyor and the box of the present invention;
FIG. 4 is a schematic structural view of a clamping mechanism according to the present invention;
FIG. 5 is a schematic view of the feed mechanism of the present invention;
FIG. 6 is a schematic structural diagram of a testing mechanism according to the present invention.
In the figure: 1-a box body; 2-a test bench; 3-a clamping mechanism; 4-a feeding mechanism; 5-a testing mechanism; 6-a feed conveyor belt; 7-a first discharge conveyor belt; 8-a second discharge conveyor belt; 9-a drive motor; 10-a transmission shaft; 11-discharge slot; 12-a discharge hole; 13-a wedge plate; 14-a first support frame; 15-a second support; 16-a first electric machine; 17-a reducer; 18-a rotating plate; 19-a cross beam; 20-clamping box; 21-placing a groove; 22-a card slot; 23-a first guide groove; 24-a clamping plate; 25-a first cylinder; 26-a first cantilever; 27-a first upright; 28-a second guide groove; 29-a second motor; 30-a first screw; 31-horizontal moving block; 32-a substrate; 33-a second cylinder; 34-a piston rod; 35-a clamping bar; 36-a second upright; 37-a second cantilever; 38-a third motor; 39-a second screw; 40-a guide bar; 41-lifting block; 42-a positioning bar; 43-detection box; 44-a fourth motor; 45-third screw; 46-positioning block.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terms first, second and the like in the description and in the claims, and in the drawings, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
As shown in fig. 1 to 6, the method for testing the vehicle-mounted display screen of the present invention includes the following steps:
1) Machining of the tank 1
a. Firstly, determining the size of a box body 1 according to design requirements, manufacturing the corresponding box body 1, arranging a circular groove for installing a test board 2 along the center of the top surface of the box body 1, connecting the test board 2 to the box body 1 through a rotating assembly, and uniformly arranging discharge notches 11 along the test board 2, so that the discharge notches 11 are uniformly distributed in an annular shape, and the stability and the reliability of the test board 2 during rotation are greatly improved due to the design of the circular groove; the rotating assembly comprises a driving motor 9 and a transmission shaft 10, the driving motor 9 is arranged in the box body 1, the center of the bottom surface of the test board 2 is connected with the driving motor 9 through the transmission shaft 10, the driving motor 9 can drive the test board 2 to rotate through the transmission shaft 10, the flatness test requirement of the vehicle-mounted display screen is met, the automatic control is convenient to achieve, and the labor intensity of manual operation is reduced. The size of discharge slot opening 11 is greater than the size of on-vehicle display screen, and the on-vehicle display screen after the test of being convenient for can fall into discharge slot opening 11 smoothly.
b. Then respectively arranging discharge ports along the front side and the left side of the box body 1, simultaneously arranging corresponding discharge holes 12 at set positions of the box body 1 to enable the discharge ports to be communicated with the discharge holes 12, installing a first discharge conveyer belt 7 on the discharge port positioned on the front side, installing a second discharge conveyer belt 8 on the discharge port positioned on the left side, and sorting qualified and unqualified vehicle-mounted display screens by enabling the detected vehicle-mounted display screens to enter the corresponding discharge ports through the discharge holes 12 and outputting the vehicle-mounted display screens through the first discharge conveyer belt 7 or the second discharge conveyer belt 8; all install wedge 13 in the discharge opening 12, install the buffering foam pad on wedge 13's the inclined plane, the on-vehicle display screen that the design of wedge 13 is convenient for drop directly falls on first ejection of compact conveyer belt 7 or second ejection of compact conveyer belt 8, has improved the efficiency of output greatly, and the buffering foam pad can play the effect of protection on-vehicle display screen, avoids causing the damage.
c. Then, the mounting positions of the feeding mechanism 4 and the testing mechanism 5 are respectively determined according to the top surface of the box body 1, so that the mounting stability of the feeding mechanism 4 and the testing mechanism 5 is improved, and the clamping mechanism 3 can conveniently rotate along the corresponding stations;
2) The clamping mechanism 3 is installed
a. Firstly, the mounting position of the clamping mechanisms 3 is determined along the top surface of the test board 2, and marks are made, each clamping mechanism 3 corresponds to the corresponding discharging notch 11, so that the tested vehicle-mounted display screen can directly fall into the corresponding discharging notch 11, the mechanical structure of discharging is simplified, and the testing steps are shortened;
b. then, corresponding first supporting frames 14 and second supporting frames 15 are processed according to design requirements, the two first supporting frames 14 are arranged on the top surface of the test bench 2 in parallel and located on two sides of the corresponding discharging notch 11, the second supporting frame 15 is fixedly arranged on the test bench 2 and located on the outer side of the first supporting frame 14 on one side, a proper first motor 16 is selected, the first motor 16 is fixedly arranged on the second supporting frame 15, a speed reducer 17 is arranged between the first supporting frame 14 and the second supporting frame 15, the speed reducer 17 is connected with the first motor 16, the second supporting frame 15 improves the stability and reliability of the installation of the first motor 16, and the first motor 16 can drive the cross beam 19 to rotate through the speed reducer 17 to meet the requirements of actual processing;
c. then, a proper cross beam 19 is selected according to the distance between the two first support frames 14, rotating plates 18 are symmetrically installed along two ends of the cross beam 19, the rotating plates 18 are respectively and rotatably connected to the first support frames 14 on two sides, an output shaft of a speed reducer 17 is connected with the rotating plate 18 on the corresponding side, the first support frames 14 improve the stability and reliability of installation of the cross beam 19, the stability of testing of the vehicle-mounted display screen is further improved, the cross beam 19 can be driven to rotate through the speed reducer 17, and the vehicle-mounted display screen is further driven to rotate and fall into the corresponding discharging notch 11; the rotation angle of rotor plate 18 is 0 ~ 360, and this rotation angle's design not only is convenient for to the support of on-vehicle display screen, improves roughness measurement accuracy, can make it drop to ejection of compact notch 11 in moreover after the on-vehicle display screen rotation after detecting, the output of being convenient for.
d. Finally, a clamping assembly is arranged on the cross beam 19 and used for clamping and positioning the vehicle-mounted display screen; clamping assembly includes clamping box 20 and first cylinder 25, the upper and lower both sides of crossbeam 19 are located respectively to clamping box 20 and first cylinder 25, be provided with the standing groove 21 that is used for placing the on-vehicle display screen on the clamping box 20, one side of standing groove 21 is provided with draw-in groove 22, the opposite side of standing groove 21 is removed and is connected with clamp plate 24, clamp plate 24 connects first cylinder 25, the bottom of standing groove 21 is provided with two first guide ways 23 that are parallel to each other, after the on-vehicle display screen falls into the standing groove 21 of clamping box 20, start first cylinder 25, drive clamp plate 24 along 23 horizontal migration of first guide way, the realization is tight to the clamp of on-vehicle display screen, the other end of on-vehicle display screen is spacing in draw-in groove 22, after crossbeam 19 overturns, unclamp clamp plate 24 and can make the on-vehicle display screen drop.
3) The feeding mechanism 4 is installed
a. Firstly, determining a first cantilever 26 and a first upright 27 according to design requirements, horizontally and fixedly installing the first cantilever 26 on the top end of the first upright 27, and fixing the first upright 27 on the box body 1, so that a vehicle-mounted display screen to be tested can be conveniently and stably conveyed to the test bench 2;
b. then, a second guide groove 28 is horizontally formed along the side surface of the first cantilever 26, a second motor 29 is installed along the end part of the first cantilever 26, a first screw 30 is connected to the second motor 29, the first screw 30 is located in the first cantilever 26, the first screw 30 is driven to be screwed through the second motor 29, the horizontal moving plate can be driven to horizontally move along the second guide groove 28, and the moving stability and reliability of the clamping assembly are improved;
c. then, a horizontal moving plate with a corresponding size is processed according to design requirements, the horizontal moving plate is connected with the first screw 30 through a boosting block, a base plate 32 is installed along the bottom of the horizontal moving plate, a clamping component is installed on the base plate 32, a feeding conveyer belt 6 is installed below the clamping component, a vehicle-mounted display screen to be tested on the feeding conveyer belt 6 can be clamped through the clamping component and is horizontally conveyed to the test bench 2 through the horizontal moving plate, and the feeding efficiency of the vehicle-mounted display screen to be tested is greatly improved; the clamping assembly comprises two symmetrical second cylinders 33, the second cylinders 33 are respectively connected with clamping rods 35 through piston rods 34, the two clamping rods 35 move in opposite directions, the second cylinders 33 can drive the clamping rods 35 to move horizontally through the piston rods 34, and clamping or loosening of the vehicle-mounted display screen is achieved.
4) Test mechanism 5 mounting
a. Firstly, processing a corresponding second upright post 36 according to design requirements, vertically installing a guide rod 40 along the inside of the second upright post 36, installing a third motor 38 along the inside of the second upright post 36, connecting a second screw rod 39 along the top of the third motor 38, enabling the second screw rod 39 to be parallel to the guide rod 40, driving the second screw rod 39 to rotate through the third motor 38, enabling a lifting block 41 to drive a second cantilever 37 to ascend or descend, adjusting the distance between a detection box 43 and a vehicle-mounted display screen to be tested, improving the testing precision, improving the stability and reliability of the up-and-down movement of the lifting block 41 through the guide rod 40, and further improving the stability and reliability of the movement of the second cantilever 37;
b. then, a corresponding second cantilever 37 is machined according to design requirements, a lifting block 41 is installed along one end of the second cantilever 37, the lifting block 41 is sleeved on a second screw rod 39 and a guide rod 40, and a positioning strip 42 is horizontally installed along the front side surface of the second cantilever 37, so that the stability and reliability of the movement of the detection box 43 are improved by the positioning strip 42, and the test precision is improved;
c. then, a fourth motor 44, a third screw 45 and a positioning block 46 are installed along the top of the second cantilever 37, the fourth motor 44 is connected with the positioning block 46 through the third screw 45, the third screw 45 is driven to rotate through the fourth motor 44, and the detection box 43 can be driven to horizontally move, so that the test requirements of vehicle-mounted display screens with different sizes are met;
d. finally, selecting a proper detection box 43 according to design requirements, connecting the detection box 43 to the positioning strip 42 and the third screw rod 45, and installing a corresponding sensor in the detection box 43.
5) Vehicle mounted display screen testing
a. Firstly, conveying an assembled vehicle-mounted display screen to be tested through a feeding conveying belt 6, stopping the feeding conveying belt 6 to move when the vehicle-mounted display screen to be tested is conveyed to the position below a clamping component, and clamping the vehicle-mounted display screen to be tested through the clamping component;
b. then, a second motor 29 on the first cantilever 26 is started, a horizontal moving block 31 and the clamping component are driven to move horizontally through a first screw 30, and the vehicle-mounted display screen to be tested is driven to move to the position above the test board 2;
c. then, the clamping assembly is loosened, the vehicle-mounted display screen to be tested falls into the clamping assembly on the clamping mechanism 3, and the vehicle-mounted display screen to be tested is positioned through the clamping assembly;
d. then, starting the rotating assembly, driving the test board 2 to rotate through the rotating assembly, moving the vehicle-mounted display screen to be tested on the clamping assembly to the position below the detection box 43, and detecting the flatness of the vehicle-mounted display screen to be tested through the detection box 43;
e. after the test is qualified, the test bench 2 rotates to the position of the second discharging conveyer belt 8, the tested vehicle-mounted display screen falls into the discharging hole 12 on the second discharging conveyer belt 8 through the rotation of the clamping assembly, and the vehicle-mounted display screen is conveyed to a packaging station through the second discharging conveyer belt 8;
f. when the detection is unqualified, the test bench 2 rotates to the position of the first discharging conveyer belt 7, the tested vehicle-mounted display screen falls into the discharging hole 12 on the first discharging conveyer belt 7 through the rotation of the clamping assembly, and the vehicle-mounted display screen is conveyed to a defective area through the first discharging conveyer belt 7;
g. and circulating the steps to realize the continuous test of the vehicle-mounted display screen.
The testing method of the vehicle-mounted display screen is simple in steps, not only is automatic loading and unloading of the vehicle-mounted display screen facilitated, but also automatic clamping and testing of the vehicle-mounted display screen can be achieved, unqualified vehicle-mounted display screens and qualified vehicle-mounted display screens are conveyed separately after testing is finished, testing efficiency and sorting efficiency of the vehicle-mounted display screen are greatly improved, and labor intensity of manual operation is reduced.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple variations, equivalent substitutions or modifications based on the present invention to achieve substantially the same technical effects are within the scope of the present invention.
Claims (7)
1. The test method of the vehicle-mounted display screen is characterized by comprising the following steps:
1) Box processing
a. Firstly, determining the size of a box body according to design requirements, manufacturing a corresponding box body, arranging a circular groove for installing a test board along the center of the top surface of the box body, connecting the test board to the box body through a rotating assembly, and uniformly arranging discharge notches along the test board to ensure that the discharge notches are uniformly distributed in an annular shape;
b. then respectively arranging discharge ports along the front side and the left side of the box body, simultaneously arranging corresponding discharge holes at set positions of the box body to enable the discharge ports to be communicated with the discharge holes, installing a first discharge conveyer belt on the discharge port positioned at the front side, and installing a second discharge conveyer belt on the discharge port positioned at the left side;
c. then respectively determining the installation positions of the feeding mechanism and the testing mechanism according to the top surface of the box body;
2) Mounting of clamping mechanism
a. Firstly, determining the mounting position of a clamping mechanism along the top surface of a test board, marking, and enabling each clamping mechanism to correspond to a corresponding discharging notch;
b. then processing a corresponding first support frame and a second support frame according to design requirements, installing the two first support frames on the top surface of the test board in parallel and on two sides of a corresponding discharge notch, fixedly installing the second support frame on the test board and on the outer side of the first support frame on one side, selecting a first motor, fixedly installing the first motor on the second support frame, and meanwhile installing a speed reducer between the first support frame and the second support frame to connect the speed reducer with the first motor;
c. selecting a cross beam according to the distance between the two first support frames, symmetrically installing rotating plates along two ends of the cross beam, respectively and rotatably connecting the rotating plates to the first support frames on two sides, and connecting an output shaft of the speed reducer with the rotating plate on the corresponding side;
d. finally, a clamping assembly is arranged on the cross beam and used for clamping and positioning the vehicle-mounted display screen;
3) Feed mechanism installation
a. Firstly, determining a first cantilever and a first upright post according to design requirements, horizontally and fixedly installing the first cantilever at the top end of the first upright post, and fixing the first upright post on a box body;
b. then horizontally arranging a second guide groove along the side surface of the first cantilever, installing a second motor along the end part of the first cantilever, and connecting a first screw rod on the second motor, wherein the first screw rod is positioned in the first cantilever;
c. processing a horizontal moving plate with a corresponding size according to design requirements, wherein the horizontal moving plate is connected with the first screw rod through a boosting block, a base plate is arranged along the bottom of the horizontal moving plate, a clamping component is arranged on the base plate, and a feeding conveyer belt is arranged below the clamping component;
4) Test mechanism installation
a. Firstly, processing a corresponding second upright post according to design requirements, vertically installing a guide rod along the inside of the second upright post, simultaneously installing a third motor along the inside of the second upright post, and connecting a second screw rod along the top of the third motor to enable the second screw rod and the guide rod to be parallel to each other;
b. then processing a corresponding second cantilever according to design requirements, installing a lifting block along one end of the second cantilever, sleeving the lifting block on a second screw rod and a guide rod, and horizontally installing a positioning strip along the front side surface of the second cantilever;
c. then, a fourth motor, a third screw rod and a positioning block are arranged along the top of the second cantilever, and the fourth motor is connected with the positioning block through the third screw rod;
d. finally, selecting a detection box according to design requirements, connecting the detection box to the positioning strip and the third screw rod, and installing a corresponding sensor in the detection box;
5) Vehicle mounted display screen testing
a. Firstly, conveying an assembled vehicle-mounted display screen to be tested through a feeding conveying belt, stopping the feeding conveying belt to move when the vehicle-mounted display screen to be tested is conveyed to the position below a clamping component, and clamping the vehicle-mounted display screen to be tested through the clamping component;
b. then a second motor on the first cantilever is started, the horizontal moving block and the clamping component are driven to move horizontally through the first screw rod, and the vehicle-mounted display screen to be tested is driven to move to the position above the test board;
c. then, loosening the clamping assembly to enable the vehicle-mounted display screen to be tested to fall into the clamping assembly on the clamping mechanism, and positioning the vehicle-mounted display screen to be tested through the clamping assembly;
d. then starting the rotating assembly, driving the test board to rotate through the rotating assembly, moving the vehicle-mounted display screen to be tested on the clamping assembly to the lower part of the detection box, and detecting the flatness of the vehicle-mounted display screen to be tested through the detection box;
e. after the test is qualified, the test board rotates to the position of the second discharging conveyer belt, the tested vehicle-mounted display screen falls into a discharging hole in the second discharging conveyer belt through the rotation of the clamping assembly, and the vehicle-mounted display screen is conveyed to a packaging station through the second discharging conveyer belt;
f. when the detection is unqualified, the test board rotates to the position of the first discharging conveyer belt, the tested vehicle-mounted display screen falls into a discharging hole in the first discharging conveyer belt through the rotation of the clamping assembly, and the vehicle-mounted display screen is conveyed to a defective area through the first discharging conveyer belt;
g. and circulating the steps to realize the continuous test of the vehicle-mounted display screen.
2. The method for testing the vehicle-mounted display screen according to claim 1, characterized in that: the rotating assembly comprises a driving motor and a transmission shaft, the driving motor is arranged in the box body, and the center of the bottom surface of the test board is connected with the driving motor through the transmission shaft.
3. The method for testing the vehicle-mounted display screen according to claim 1, characterized in that: all install the wedge board in the discharge gate, install the buffering foam pad on the inclined plane of wedge board.
4. The method for testing the vehicle-mounted display screen according to claim 1, characterized in that: the rotating angle of the rotating plate in the step 2) is 0-360 degrees.
5. The method for testing the vehicle-mounted display screen according to claim 1, characterized in that: the clamping assembly in the step 2) comprises a clamping box and a first air cylinder, the clamping box and the first air cylinder are respectively arranged on the upper side and the lower side of the cross beam, a placing groove used for placing the vehicle-mounted display screen is formed in the clamping box, a clamping groove is formed in one side of the placing groove, a clamping plate is movably connected to the other side of the placing groove, the clamping plate is connected with the first air cylinder, and two first guide grooves which are parallel to each other are formed in the bottom of the placing groove.
6. The method for testing the vehicle-mounted display screen according to claim 1, characterized in that: and in the step 3), the clamping assembly comprises two symmetrically arranged second cylinders, the second cylinders are respectively connected with clamping rods through piston rods, and the two clamping rods move in opposite directions.
7. The method for testing the vehicle-mounted display screen according to claim 1, characterized in that: the size of the discharging notch is larger than that of the vehicle-mounted display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110770660.8A CN113457995B (en) | 2021-07-08 | 2021-07-08 | Test method of vehicle-mounted display screen |
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| CN202110770660.8A CN113457995B (en) | 2021-07-08 | 2021-07-08 | Test method of vehicle-mounted display screen |
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| CN113457995B true CN113457995B (en) | 2023-03-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105319744A (en) * | 2015-11-16 | 2016-02-10 | 太原风华信息装备股份有限公司 | Liquid crystal display screen testing device |
| CN109950413B (en) * | 2019-04-04 | 2020-11-27 | 京东方科技集团股份有限公司 | Test method, screening method and OLED design method |
| CN110497198B (en) * | 2019-08-30 | 2021-03-26 | 珠海格力智能装备有限公司 | Display screen production line |
| CN212093323U (en) * | 2020-03-25 | 2020-12-08 | 深圳昭银科技有限公司 | Liquid crystal display automatic sorting mechanism based on CCD detects |
| CN212314822U (en) * | 2020-04-26 | 2021-01-08 | 长春一汽延锋伟世通电子有限公司 | Automatic turnover device for mounting and testing vehicle-mounted display screen assembly |
| CN111537194B (en) * | 2020-04-26 | 2022-03-01 | 深圳市晟君安科技有限公司 | Display screen testing tool and display screen testing method |
| CN111495799B (en) * | 2020-05-25 | 2024-02-23 | 浙江新力光电科技有限公司 | Quality detection device and method for vehicle-mounted display screen |
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