CN106949834B - Mobile phone screen connector computer function testing equipment and detection method - Google Patents
Mobile phone screen connector computer function testing equipment and detection method Download PDFInfo
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- CN106949834B CN106949834B CN201710266985.6A CN201710266985A CN106949834B CN 106949834 B CN106949834 B CN 106949834B CN 201710266985 A CN201710266985 A CN 201710266985A CN 106949834 B CN106949834 B CN 106949834B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
Abstract
The invention discloses a testing device and a detecting method for computer functions of a mobile phone screen connector, wherein the testing device comprises a machine body, a testing jig, a positioning mechanism, a feeding mechanism, a transferring mechanism and a discharging mechanism, wherein the testing jig, the positioning mechanism, the feeding mechanism, the transferring mechanism and the discharging mechanism are arranged on the machine body; the test fixture is provided with a detection station; the mobile phone screen connector on the mobile phone screen to be detected is adjusted and the angle is positioned to the required angle through the positioning mechanism so as to adapt to the position of the detection station, so that the crimping detection of the mobile phone screen connector realizes accurate positioning, the detection operation process is quick, the automation degree is high, and the detection efficiency is high. The detection equipment is simple and reasonable in structure, convenient to use, space-saving, stable in application, capable of achieving accurate positioning and high in cost performance.
Description
Technical Field
The invention relates to the field of electronic product production equipment, in particular to computer function testing equipment and a testing method for a mobile phone screen connector.
Background
With the advancement of science and technology and the development of society, smart phones have been rapidly popularized, and the thinning of smart phones has become the development trend of mobile phones. With the increasing quality requirements of people for digital products, whether a screen has light leakage or other defects is often the key to detect the quality of the electronic device. Generally, a device for inspecting a screen is used to judge whether the screen is defective or not from an image display result by lighting the screen and then photographing the screen by a camera or a camera. Specifically when detecting the screen, can install a slice cell-phone screen connector (FPC) on detecting the screen usually, when detecting the screen and placing in detection tool, this cell-phone screen connector can be used for counterpointing with detection tool electric contact, realizes detecting the fixed of detecting the screen through the fixed of cell-phone screen connector promptly, convenient detection. However, the existing screen for detection is often complex in machine structure, troublesome in operation process, low in automation degree and low in detection efficiency.
Disclosure of Invention
The present invention provides a device and a method for testing computer functions of a mobile phone screen connector, aiming at the above-mentioned defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: provides a computer function testing device of a mobile phone screen connector, which comprises a machine body,
the testing jig is arranged on the machine body, a detection station is arranged on the testing jig, and the testing jig is used for detecting the mobile phone screen to be detected on the detection station;
the positioning mechanism is arranged on the machine body and used for adjusting and positioning the angle of the mobile phone screen connector on the mobile phone screen to be detected to a required angle so as to adapt to the position of the detection station;
the feeding mechanism is arranged on the machine body and used for clamping and transporting an external mobile phone screen to be detected;
the transfer mechanism is arranged on the machine body and used for clamping and transferring the detected mobile phone screen to the blanking station;
install the unloading mechanism on the organism, this unloading mechanism is used for pressing from both sides from the unloading station and gets and transport and detect cell-phone screen to outside assembly line.
Preferably, the test fixture comprises a test carrier and a pressing block; the detection station is arranged on the test platform, a first probe profiling groove is formed in one end of the detection station, a second probe profiling groove is formed in the lower end of the pressing block, and the first probe profiling groove and the second probe profiling groove are staggered in position.
Preferably, the positioning mechanism comprises
The upper CCD mechanism is arranged above the first probe profiling groove and is used for photographing and positioning the angle of the first probe profiling groove;
the lower CCD mechanism is arranged below the second probe profiling groove and is used for photographing and positioning the angle of the second probe profiling groove;
the correcting mechanism is arranged above the test platform deck; the mobile phone screen clamping and transferring device is used for clamping and transferring a mobile phone screen and adjusting the angle of a mobile phone screen connector on the mobile phone screen to be detected according to the angle of the first probe profiling groove;
when the angle of the first probe profile groove and the angle of the second probe profile groove are matched with a preset template, the mobile phone screen connector after the angle is adjusted is placed into the first probe profile groove, and the pressing block starts to be pressed downwards for testing.
Preferably, the correction mechanism comprises a bracket;
the grabbing device is arranged on the support and used for rotating the mobile phone screen connector according to the angle of the first probe profiling groove photographed and positioned by the upper CCD mechanism so as to adjust the angle of the mobile phone screen connector on the mobile phone screen to be detected;
the horizontal sliding device is arranged on the support and used for adjusting the horizontal position of the gripping device.
Preferably, the gripping device comprises a sucker for adsorbing the mobile phone screen, a sucker fixing plate for fixing the sucker, and a servo motor for driving the sucker fixing plate to position the angle of the first probe profiling groove according to the photographing of the upper CCD mechanism so as to drive the mobile phone screen connector to rotate; the servo motor is fixed on the fixing plate, an opening is formed in the fixing plate, and the power output end of the servo motor extends out of the opening of the fixing plate and is fixedly connected with the sucker fixing plate.
Preferably, the horizontal sliding device comprises a sliding rail, a sliding block, a fixing plate, a fixing nut, a screw rod and a driving device; the sliding rail is fixed on the bracket; the sliding block slides along the length direction of the sliding rail; the fixed plate is fixed on the sliding block; the fixed nut is fixed on the fixed plate, sleeved on the screw rod and in transmission connection with the screw rod, and the driving device drives the screw rod to rotate; the upper CCD mechanism and the grabbing device are both fixed on the fixing plate.
Preferably, the mobile phone screen connector computer function test equipment further comprises a turnover mechanism for turning over an external mobile phone screen to be detected by 180 degrees; the turnover mechanism comprises a fixed frame, a turnover table for turning the mobile phone screen 180 degrees, a pivot for connecting the turnover table to the fixed frame, a sucker for adsorbing and fixing the mobile phone screen, and a driving device for driving the turnover table to rotate forwards or backwards 180 degrees; the overturning platform is hinged on the fixed frame through a pivot; the sucker is fixed on the overturning platform; the driving device is in transmission connection with the pivot; the mobile phone screen is adsorbed on the overturning platform, and the driving device drives the pivot to rotate so as to overturn the overturning platform by 180 degrees, so that the mobile phone screen is overturned from the front to the back.
Preferably, the computer function test equipment of the mobile phone screen connector further comprises a pre-positioning mechanism for pre-positioning the mobile phone screen to be detected, wherein the pre-positioning mechanism comprises an object carrying platform for bearing the mobile phone screen, a transverse adjusting mechanism for transversely clamping the mobile phone screen and a longitudinal adjusting mechanism for longitudinally clamping the mobile phone screen; the transverse adjusting mechanisms and the longitudinal adjusting mechanisms are mutually vertically staggered and are positioned below the loading platform; the carrying platform is provided with a transverse sliding chute and a longitudinal sliding chute; the transverse adjusting mechanism comprises two transverse clamps which are respectively positioned at the left side and the right side of the mobile phone screen; the longitudinal adjusting mechanism comprises two longitudinal clamps which are respectively positioned at the upper side and the lower side of the mobile phone screen; the transverse clamp and the longitudinal clamp respectively extend out of the transverse sliding groove and the longitudinal sliding groove of the object carrying platform and are close to or far away from each other along the length direction of the sliding grooves so as to clamp or release the mobile phone screen.
Preferably, the transverse adjusting mechanism and the longitudinal adjusting mechanism both further comprise two clamp fixing seats, two belt pulleys, a belt sleeved on the two belt pulleys, a sliding block and a sliding seat; the transverse clamp is fixed on a clamp fixing seat, and the clamp fixing seats are respectively fixed on the outer sides of the belts; the sliding block slides on the sliding seat in a reciprocating manner; the clamp fixing seat is fixedly connected with the sliding block; the belt drives the transverse clamps or the longitudinal clamps on the two clamp fixing seats to mutually approach or separate through synchronous forward rotation or reverse rotation of the belt pulley so as to clamp or loosen the left side or the right side or the upper side and the lower side of the mobile phone screen.
The invention also provides a method for detecting the computer function of the mobile phone screen connector, which comprises the following steps:
(1) Before testing, according to the crimping requirement of the mobile phone screen connector, an upper CCD mechanism is adopted to obtain the coordinate location of a first probe copy-shaped groove on a testing jig, and a lower CCD mechanism is adopted to obtain the coordinate location of a second probe copy-shaped groove on the testing jig, and the two coordinate locations are used as standard templates;
(2) A lower CCD mechanism of the positioning mechanism moves to the position below the second probe profiling groove, and the upper CCD mechanism shoots to position the angle of the second probe profiling groove;
(3) The feeding mechanism clamps the mobile phone screen from an external assembly line and transfers the mobile phone screen to the turnover mechanism; the turnover mechanism turns the mobile phone screen 180 degrees to the pre-positioning mechanism;
(4) The mobile phone screen is transferred to the pre-positioning mechanism and is fixed on the carrying platform for pre-positioning under the adjustment of the transverse adjusting mechanism and the longitudinal adjusting mechanism;
(5) Then a grabbing device of the correcting mechanism adsorbs the mobile phone screen to move to the carrying platform to begin to take materials;
(6) The upper CCD mechanism moves to the upper part of the first probe profiling groove under the action of a horizontal sliding device of the correcting mechanism, and photographs to position the angle of the first probe profiling groove;
(7) The grabbing device of the correction mechanism drives the sucker fixing plate to rotate through the servo motor according to the angle of the first probe profiling groove, so that the adsorbed mobile phone screen is driven to rotate, and the mobile phone screen connector on the mobile phone screen is adjusted to the angle to be processed;
(8) When the angle of the first probe copy-shaped groove and the angle of the second probe copy-shaped groove are matched with a preset template, the positioning of the mobile phone screen connector is finished, the mobile phone screen connector with the adjusted angles is placed into the first probe copy-shaped groove, and the pressing block starts to be pressed downwards for testing;
(9) The blanking mechanism clamps and transports the detected mobile phone screen to a blanking station;
(10) The blanking mechanism clamps and transports the detected mobile phone screen to an external production line from a blanking station.
The device and the method for testing the computer function of the mobile phone screen connector have the following advantages that:
(1) This scheme will wait to detect cell-phone screen connector adjustment and location angle on the cell-phone screen to required angle in order to adapt to and detect the station position through positioning mechanism for the crimping of cell-phone screen connector detects and realizes accurate positioning, and the detection operation process is quick, and degree of automation is high, and detection efficiency is high, and this check out test set simple structure, reasonable facilitates the use, practices thrift the space, and the application is stable, can reach accurate positioning, the sexual valence relative altitude.
(2) Furthermore, by arranging the upper CCD mechanism and the lower CCD mechanism and utilizing the CCD mark grabbing principle, before testing, a standard template is manufactured by utilizing a standard product photographed picture, then the product photographed picture is matched and compared with a preset standard template in the processing and testing process, the actual center and angle of the product are calculated by utilizing the relative coordinate relation, and when the product photographed picture is completely matched with the preset standard template, the positioning of the mobile phone screen connector is completed, so that the crimping test can be carried out. The double-CCD vision accurate positioning connection is adopted, so that the connector is not damaged, and the accurate positioning function is realized. The positioning mechanism is simple and reasonable in structure, convenient to use, space-saving, stable in application, capable of achieving accurate positioning and high in cost performance.
(3) Furthermore, the servo motor in the correction mechanism drives the sucker fixing plate to rotate along the axial direction of the output shaft of the servo motor, so that the mobile phone screen connector adsorbed on the sucker is adjusted to the required angle to be processed. The rotation angle is controlled through the servo motor, so that the rotation angle of the mobile phone screen connector is accurately controlled, and the position of the station is accurately corrected.
(4) Furthermore, in the pre-positioning mechanism, one of the two fixture fixing seats is set to be an elastic structure so as to clamp the mobile phone screen more firmly; when the transverse/longitudinal clamp of the transverse/longitudinal adjusting mechanism approaches to the mobile phone screen, the mobile phone screen is clamped by the left clamp, the right clamp, the upper clamp and the lower clamp under the action of the movable block, the spring and the fixed block, the clamping effect is ideal, and meanwhile, the mobile phone screen is not easy to be damaged by clamping, so that the mobile phone screen is damaged. Of course, the two clamp fixing seats can be arranged to be of an elastic structure, so that the clamping effect is better.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic structural diagram of a computer function testing device of a mobile phone screen connector according to a preferred embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a feeding mechanism, a turnover mechanism and a pre-positioning mechanism;
FIG. 3 is a schematic structural diagram of the turnover mechanism and the pre-positioning mechanism;
FIG. 4 is a schematic structural view of the spacing damping mechanism of FIG. 3;
FIG. 5 is a schematic structural view of a pre-positioning mechanism;
FIG. 6 is a schematic view of the lateral adjustment mechanism and the longitudinal adjustment mechanism of FIG. 5;
FIG. 7 is a schematic view of a portion of the lateral adjustment mechanism of FIG. 5;
FIG. 8 is a schematic structural view of the first fixture mount of FIG. 5;
FIG. 9 is a schematic structural diagram of the pre-positioning mechanism, the positioning mechanism and the test fixture;
FIG. 10 is a schematic structural diagram of a test fixture;
FIG. 11 is a schematic structural view of a correction mechanism;
FIG. 12 is a partial schematic view of a calibration mechanism;
the reference signs are: 1. a body; 2. testing the fixture; 21. testing the carrier; 211. a first probe profiling groove; 22. briquetting; 221. a second probe profiling groove; 23. a first driving device; 3. a positioning mechanism; 31. an upper CCD mechanism; 311. a CCD image sensor; 312. a mounting frame; 32. a lower CCD mechanism; 33. a correction mechanism; 331. a support; 332. a gripping device; 3321. a suction cup; 3322. a sucker fixing plate; 3323. a servo motor; 333. a horizontal sliding device; 3331. a slide rail; 3332. a slider; 3333. a fixing plate; 3334. fixing a nut; 3335. a screw rod; 4. a turnover mechanism; 41. a fixed mount; 42. a turning table; 421. mounting holes; 422. a chute; 43. a pivot; 44. a suction cup; 45. a second driving device; 451. a gear; 452. a tooth bar; 453. a cylinder; 454. a slider; 455. a guide seat; 46. a limiting and damping mechanism; 461. a fixed block; 462. a limit screw; 463. a shock absorber; 5. a pre-positioning mechanism; 51. a loading platform; 511. a transverse chute; 512. a longitudinal chute; 52. a lateral adjustment mechanism; 521. a transverse clamp; 522. a first clamp fixing seat; 5221. a fixed block; 5222. a guide post; 5223. a spring; 5224. a movable block; 523. a first pulley; 524. a first belt; 525. a first slider; 526. a first slider; 53. a longitudinal adjustment mechanism; 531. a longitudinal clamp; 532. a second clamp fixing seat; 533. a second pulley; 534. a second belt; 535. a second slider; 536. a second slide; 6. a feeding mechanism; 61. a first slide rail; 62. a second slide rail; 63. a first manipulator; 7. a transfer mechanism; 8. a blanking mechanism; 9. a support stand.
Detailed Description
The invention is further described with reference to the following drawings and detailed description:
as shown in fig. 1-12, a computer function testing device for a mobile phone screen connector comprises a body 1,
the testing jig 2 is arranged on the machine body, a detection station is arranged on the testing jig, and the testing jig is used for detecting a mobile phone screen to be detected on the detection station;
the positioning mechanism 3 is arranged on the machine body and is used for adjusting and positioning the angle of the mobile phone screen connector on the mobile phone screen to be detected to a required angle so as to adapt to the position of the detection station;
the turnover mechanism 4 is arranged on the machine body and used for turning the external mobile phone screen to be detected for 180 degrees;
a pre-positioning mechanism 5 arranged on the body, the pre-positioning mechanism is used for pre-positioning the mobile phone screen to be detected;
the feeding mechanism 6 is arranged on the machine body and used for clamping and transporting an external mobile phone screen to be detected to the turnover mechanism;
the transfer mechanism 7 is arranged on the machine body and used for clamping the mobile phone screen detected on the test fixture and transferring the mobile phone screen to the blanking station;
install unloading mechanism 8 on the organism, this unloading mechanism is used for pressing from both sides from the unloading station and gets and transport and detect cell-phone screen to outside assembly line.
The feeding mechanism and the discharging mechanism are respectively arranged on the left side and the right side of the machine body; the five test fixtures are sequentially arranged between the feeding mechanism and the discharging mechanism side by side; the turnover mechanism and the pre-positioning mechanism are arranged on one side of the test fixture and are positioned in the conveying direction of the feeding mechanism; a support platform 9 crossing the machine body is arranged on the machine body, and the transfer mechanism slides above the feeding mechanism and the discharging mechanism along the length direction of the support platform; the positioning mechanism is arranged above the test jigs, is driven by the driving device to slide left and right above the five test jigs along the length direction of the support table, and is driven by the other driving device to move up and down along the vertical direction.
Preferably, the test fixture 2 includes a test stage 21 and a press block 22; the detection station is arranged on the test carrier, a first probe profiling groove 211 is arranged at one end of the detection station, a second probe profiling groove 221 is arranged at the lower end of the pressing block, and the first probe profiling groove and the second probe profiling groove are staggered. The pressing block moves up and down under the driving of the first driving device 23, and the pressing block is used for pressing against the top end face of the mobile phone screen connector when moving downwards.
Preferably, the positioning mechanism 3 comprises an upper CCD mechanism 31, which is arranged above the first probe-shaped groove and used for photographing and positioning the angle of the first probe-shaped groove; the lower CCD mechanism 32 is arranged below the second probe profiling groove and used for photographing and positioning the angle of the second probe profiling groove; a correcting mechanism 33 provided above the test stage; the mobile phone screen clamping and transferring device is used for clamping and transferring a mobile phone screen and adjusting the angle of a mobile phone screen connector on the mobile phone screen to be detected according to the angle of the first probe profiling groove;
the upper CCD mechanism and the lower CCD mechanism each include a CCD image sensor 311 and a mounting bracket 312 that fixes the CCD image sensor. According to the scheme, a CCD mark grabbing principle is utilized, before testing, according to the crimping requirement of the mobile phone screen connector, a standard template is manufactured by utilizing a standard product photographing picture, namely coordinate positioning of a first probe copy groove and a second probe copy groove is respectively obtained and used as the standard template, then the product picture is grabbed and compared with a preset standard template in the processing and testing process, the actual center and angle of the product are calculated by utilizing the relative coordinate relation, when the product picture is completely matched, the positioning of the mobile phone screen connector is completed, and the crimping test can be carried out.
Specifically, the correction mechanism 33 includes a holder 331; the grabbing device 332 is arranged on the support and used for rotating the mobile phone screen connector according to the angle of the first probe profiling groove photographed and positioned by the upper CCD mechanism so as to adjust the angle of the mobile phone screen connector on the mobile phone screen to be detected; a horizontal sliding device 333 arranged on the bracket is used for adjusting the horizontal position of the gripping device.
The grabbing device 332 comprises a suction cup 3321 for adsorbing the mobile phone screen, a suction cup fixing plate 3322 for fixing the suction cup, and a servo motor 3323 for driving the suction cup fixing plate to position the angle of the first probe profiling groove according to the photographing of the upper CCD mechanism so as to drive the mobile phone screen connector to rotate; the servo motor is fixed on the fixing plate, an opening is formed in the fixing plate, and a power output end of the servo motor extends out of the opening of the fixing plate and is fixedly connected with the sucker fixing plate. The servo motor drives the sucker fixing plate to rotate along the axial direction of the output shaft of the servo motor, so that the mobile phone screen connector adsorbed on the sucker is adjusted to a required angle to be processed. The rotating angle is controlled through the servo motor, so that the rotating angle of the mobile phone screen connector is accurately controlled, and the position of a station is accurately corrected. In addition, the number of the suckers on the fixing plate and the installation position can be set according to products with different sizes so as to adapt to products with different sizes of various signals.
The horizontal sliding device 333 comprises a slide rail 3331, a slide block 3332, a fixing plate 3333, a fixing nut 3334, a screw 3335 and a driving device (not shown); the sliding rail is fixed on the bracket; the sliding block slides along the length direction of the sliding rail; the fixed plate is fixed on the sliding block; the fixed nut is fixed on the fixed plate, sleeved on the screw rod and in transmission connection with the screw rod, and the driving device drives the screw rod to rotate; the upper CCD mechanism and the grabbing device are fixed on the fixing plate. The horizontal sliding device can provide a sliding track in the horizontal direction for the upper CCD mechanism and the grabbing device so as to correct the horizontal position of the mobile phone screen connector.
Wherein, as the preferred scheme of this application, the slide rail is two, all is equipped with the slider on every slide rail, and the fixed plate is fixed between two sliders. Fix the fixed plate at the purpose between two slide rails and make CCD mechanism and grabbing device horizontal migration more steadily to the accurate angular position's of servo motor for correction mechanism control provides firm platform.
The turnover mechanism 4 comprises a fixed frame 41, a turnover table 42 for turning the mobile phone screen 180 degrees, a pivot 43 for connecting the turnover table to the fixed frame, a suction cup 44 for adsorbing and fixing the mobile phone screen, a second driving device 45 for driving the turnover table to rotate forwards or backwards 180 degrees, and a limiting and damping mechanism 46 for correcting the turnover angle of the turnover table; the overturning platform is hinged on the fixed frame through a pivot; the sucker is fixed on the overturning platform; the second driving device is in transmission connection with the pivot; the mobile phone screen is adsorbed on the overturning platform, and the second driving device drives the pivot to rotate so as to overturn the overturning platform by 180 degrees, so that the mobile phone screen is overturned from the front to the back. The turnover mechanism adsorbs the mobile phone screen through the sucking disc, then the turnover table is turned over for 180 degrees, the mobile phone screen can be turned over for 180 degrees from the front side to the back side, processing or assembling of mobile phone accessories is facilitated, automatic turnover is realized, working efficiency is improved, and labor cost is reduced; the turnover mechanism is simple and reasonable in structure, convenient to use, space-saving, stable in application and high in cost performance, and can adapt to various types of products with different sizes.
The overturning platform is provided with a mounting hole 421; the sucker extends out of the mounting hole and is fixed on the overturning platform. The overturning platform is also provided with a chute 422 for adjusting the position of the sucker; the spout of this scheme includes horizontal spout and vertical spout, and the sucking disc can transversely slide or vertically slide in above-mentioned spout to adapt to the not cell-phone screen of equidimension, increase its suitability.
The second driving device 45 comprises a gear 451 sleeved at one end of the pivot, a toothed rod 452 engaged with the gear, a cylinder 453 in transmission connection with the toothed rod, a slide block 454 fixed at the bottom of the toothed rod and a guide seat 455 for limiting the moving position of the slide block; the cylinder telescopic link fixed connection is in the one end of tooth pole. The slide block slides on the guide seat in a reciprocating way. The second driving device drives the tooth rod to reciprocate left and right on the guide seat through the cylinder, so as to drive the gear sleeved on the pivot to rotate forwards or backwards, and finally drive the overturning platform fixed on the pivot to realize front overturning or reverse rotating. The second driving device converts the rotating angle of the overturning platform into the meshing distance of the gear on the tooth rod, and can accurately control the overturning angle.
The limit damping mechanism 46 includes a fixing block 461, a limit screw 462 fixed to the fixing block, and a damper 463. The spacing damper who sets up, pat on spacing damper when the upset of roll-over table, spacing screw restriction roll-over table continues to rotate on the one hand, and on the other hand bumper shock absorber slows down the impact force of roll-over table, protects whole upset platform can keep smooth and easy upset always. Preferably, the number of the limiting shock absorption mechanisms is two, and the two limiting shock absorption mechanisms are respectively and correspondingly arranged at the front end and the tail end of the moving track of the overturning platform, namely the left side and the right side of the pivot, so that the whole overturning platform can be overturned smoothly all the time.
The pre-positioning mechanism 5 comprises a loading platform 51 for bearing the mobile phone screen, a transverse adjusting mechanism 52 for transversely clamping the mobile phone screen, and a longitudinal adjusting mechanism 53 for longitudinally clamping the mobile phone screen;
the loading platform 51 is provided with a transverse sliding groove 511 and a longitudinal sliding groove 512; the transverse adjusting mechanism and the longitudinal adjusting mechanism are both arranged below the loading platform; the transverse adjusting mechanism and the longitudinal adjusting mechanism are vertically staggered;
the transverse adjusting mechanism 52 comprises two transverse clamps 521, two first clamp fixing seats 522, two first belt pulleys 523, a first belt 524 sleeved on the two first belt pulleys, a first sliding block 525 and a first sliding seat 526; the transverse clamps are respectively positioned at the left side and the right side of the mobile phone screen and are correspondingly fixed on the first clamp fixing seat; the first clamp fixing seats are respectively fixed on the outer sides of the first belts; the first slide block 525 slides back and forth on the first slide seat; the first clamp fixing seat is fixedly connected with the first sliding block. When the two first belt pulleys are driven by the motor to synchronously rotate, the first belt is driven to rotate, and then the two first clamp fixing seats are driven by the first belt to mutually approach or keep away from each other so that the transverse clamp can clamp or loosen the left side and the right side of the mobile phone screen.
The longitudinal adjusting mechanism 53 comprises two longitudinal clamps 531, two second clamp fixing seats 532, two second pulleys 533, a second belt 534 sleeved on the two second pulleys, a second sliding block 535 and a second sliding seat 536; the longitudinal clamps are respectively positioned at the upper side and the lower side of the mobile phone screen and are correspondingly fixed on the second clamp fixing seats; the second clamp fixing seats are respectively fixed on the outer sides of the second belts; the second sliding block slides on the second sliding seat in a reciprocating manner; the second clamp fixing seat is fixedly connected with the second sliding block. When the motor drives the two second belt wheels to synchronously rotate, the second belt is driven to rotate, and then the two second clamp fixing seats are driven to mutually approach or keep away from each other through the second belt so that the longitudinal clamp clamps or loosens the upper side and the lower side of the mobile phone screen.
Preferably, one of the first clamp fixing seats 522 of the lateral adjustment mechanism includes a fixed block 5221, a guide pillar 5222, a spring 5223, a movable block 5224; the spring is sleeved on the guide pillar, one end of the guide pillar is fixed on the fixed block, and the other end of the guide pillar is inserted on the movable block; the transverse clamp is fixed on the movable block; the movable block moves along the length direction of the guide post under the action of the spring. When horizontal adjustment mechanism's horizontal anchor clamps were close to the cell-phone screen, under the effect through movable block, spring, fixed block, made the cell-phone screen tight by the anchor clamps of the left and right sides, the tight effect of clamp is ideal, is difficult to press from both sides bad cell-phone screen simultaneously, makes the cell-phone screen damaged.
The pre-positioning mechanism enables one of the two fixture fixing seats to be in an elastic structure, and in order to clamp the mobile phone screen more firmly, the two fixture fixing seats can be in the elastic structure, so that the clamping effect is better. The structure of the fixture fixing seat of the longitudinal adjusting mechanism is the same as that of the transverse adjusting mechanism, and one fixture fixing seat of the longitudinal adjusting mechanism also comprises a fixing block, a guide pillar, a spring and a movable block; the spring is sleeved on the guide pillar, one end of the guide pillar is fixed on the fixed block, and the other end of the guide pillar is inserted on the movable block; the longitudinal clamp is fixed on the movable block; the movable block moves along the length direction of the guide post under the action of the spring.
The transverse clamp and the longitudinal clamp respectively extend out of the transverse sliding groove and the longitudinal sliding groove of the object carrying platform and are close to or far away from each other along the length direction of the sliding grooves so as to clamp or release the mobile phone screen.
The feeding mechanism 6 and the blanking mechanism 8 both comprise a first slide rail 61, a second slide rail 62 slidably connected to the first slide rail, and a first manipulator 63 slidably connected to the second slide rail; the second slide rail slides along the length direction of the first slide rail, and the first manipulator slides along the length direction of the second guide rail. The first manipulator is a vacuum chuck and is used for clamping a mobile phone screen to be detected on an external assembly line onto a turnover table of the turnover mechanism.
The transfer mechanism 7 comprises a third slide rail and a second manipulator, the third slide rail slides along the length direction of the support table, and the second manipulator slides along the length direction of the third guide rail. The second manipulator is a vacuum chuck.
The detection method of the computer function test equipment of the mobile phone screen connector comprises the following steps:
(1) Before testing, according to the crimping requirement of the mobile phone screen connector, an upper CCD mechanism is adopted to obtain the coordinate location of a first probe profiling groove on the testing jig, and a lower CCD mechanism is adopted to obtain the coordinate location of a second probe profiling groove on the testing jig, and the two coordinate locations are used as standard templates;
(2) A lower CCD mechanism of the positioning mechanism moves to the position below the second probe profiling groove, and the upper CCD mechanism takes pictures to position the angle of the second probe profiling groove;
(3) The feeding mechanism clamps the mobile phone screen from an external assembly line and transfers the mobile phone screen to the turnover mechanism; the turnover mechanism turns the mobile phone screen 180 degrees to the pre-positioning mechanism;
(4) The mobile phone screen is transferred to the pre-positioning mechanism and is fixed on the carrying platform for pre-positioning under the adjustment of the transverse adjusting mechanism and the longitudinal adjusting mechanism;
(5) Then a grabbing device of the correcting mechanism adsorbs the mobile phone screen to move to the carrying platform to begin to take materials;
(6) The upper CCD mechanism moves to the upper part of the first probe profiling groove under the action of a horizontal sliding device of the correcting mechanism, and photographs and positions the angle of the first probe profiling groove;
(7) The grabbing device of the correction mechanism drives the sucker fixing plate to rotate through the servo motor according to the angle of the first probe profiling groove, so that the adsorbed mobile phone screen is driven to rotate, and a mobile phone screen connector on the mobile phone screen is adjusted to the angle to be processed;
(8) When the angle of the first probe copy-shaped groove and the angle of the second probe copy-shaped groove are matched with a preset template, the positioning of the mobile phone screen connector is finished, the mobile phone screen connector with the adjusted angles is placed into the first probe copy-shaped groove, and the pressing block starts to be pressed downwards for testing;
(9) The blanking mechanism clamps and transports the detected mobile phone screen to a blanking station;
(10) The blanking mechanism clamps and transports the detected mobile phone screen to an external production line from a blanking station.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (8)
1. The computer function test equipment of the mobile phone screen connector is characterized by comprising a machine body,
the testing jig is arranged on the machine body, a detection station is arranged on the testing jig, and the testing jig is used for detecting a mobile phone screen to be detected on the detection station;
the positioning mechanism is arranged on the machine body and used for adjusting and positioning the angle of the mobile phone screen connector on the mobile phone screen to be detected to a required angle so as to adapt to the position of the detection station;
the feeding mechanism is arranged on the machine body and used for clamping and transporting an external mobile phone screen to be detected;
the transfer mechanism is arranged on the machine body and used for clamping and transferring the detected mobile phone screen to the blanking station;
the blanking mechanism is arranged on the machine body and used for clamping and transferring the detected mobile phone screen from a blanking station to an external production line;
the test fixture comprises a test carrying platform and a pressing block; the detection station is arranged on the test platform, a first probe profiling groove is formed in one end of the detection station, a second probe profiling groove is formed in the lower end of the pressing block, and the first probe profiling groove and the second probe profiling groove are staggered in position;
the positioning mechanism comprises
The upper CCD mechanism is arranged above the first probe profiling groove and is used for photographing and positioning the angle of the first probe profiling groove;
the lower CCD mechanism is arranged below the second probe profiling groove and is used for photographing and positioning the angle of the second probe profiling groove;
the correcting mechanism is arranged above the test platform deck; the mobile phone screen clamping and transferring device is used for clamping and transferring a mobile phone screen and adjusting the angle of a mobile phone screen connector on the mobile phone screen to be detected according to the angle of the first probe profiling groove;
when the angle of the first probe profiling groove and the angle of the second probe profiling groove are matched with a preset template, the mobile phone screen connector after the angle is adjusted is placed into the first probe profiling groove, and the pressing block starts to be pressed downwards to conduct testing.
2. The device for testing computer functions of a mobile phone screen connector according to claim 1, wherein the calibration mechanism comprises a bracket;
the grabbing device is arranged on the support and used for rotating the mobile phone screen connector according to the angle of the first probe profiling groove photographed and positioned by the upper CCD mechanism so as to adjust the angle of the mobile phone screen connector on the mobile phone screen to be detected;
the horizontal sliding device is arranged on the support and used for adjusting the horizontal position of the gripping device.
3. The mobile phone screen connector computer function test equipment of claim 2, wherein the gripping device comprises a suction cup for sucking the mobile phone screen, a suction cup fixing plate for fixing the suction cup, and a servo motor for driving the suction cup fixing plate to position the first probe imitation groove according to the angle of the upper CCD mechanism for photographing and driving the mobile phone screen connector to rotate; the servo motor is fixed on the fixing plate, an opening is formed in the fixing plate, and a power output end of the servo motor extends out of the opening of the fixing plate and is fixedly connected with the sucker fixing plate.
4. The mobile phone screen connector computer function testing device of claim 2, wherein the horizontal sliding device comprises a sliding rail, a sliding block, a fixing plate, a fixing nut, a screw rod and a driving device; the sliding rail is fixed on the bracket; the sliding block slides along the length direction of the sliding rail; the fixed plate is fixed on the sliding block; the fixed nut is fixed on the fixed plate, sleeved on the screw rod and in transmission connection with the screw rod, and the driving device drives the screw rod to rotate; the upper CCD mechanism and the grabbing device are both fixed on the fixing plate.
5. The mobile phone screen connector computer function test device of claim 1, further comprising a turnover mechanism for turning over an external mobile phone screen to be tested by 180 °; the turnover mechanism comprises a fixed frame, a turnover table for turning the mobile phone screen 180 degrees, a pivot for connecting the turnover table to the fixed frame, a sucker for adsorbing and fixing the mobile phone screen, and a driving device for driving the turnover table to rotate forwards or backwards 180 degrees; the overturning platform is hinged on the fixed frame through a pivot; the sucker is fixed on the overturning platform; the driving device is in transmission connection with the pivot; the mobile phone screen is adsorbed on the overturning platform, and the driving device drives the pivot to rotate so as to overturn the overturning platform by 180 degrees, so that the mobile phone screen is overturned from the front to the back.
6. The mobile phone screen connector computer function test device of claim 1, further comprising a pre-positioning mechanism for pre-positioning a mobile phone screen to be detected, wherein the pre-positioning mechanism comprises a carrying platform for carrying the mobile phone screen, a transverse adjusting mechanism for transversely clamping the mobile phone screen, and a longitudinal adjusting mechanism for longitudinally clamping the mobile phone screen; the transverse adjusting mechanisms and the longitudinal adjusting mechanisms are mutually vertically staggered and are positioned below the loading platform; the carrying platform is provided with a transverse sliding chute and a longitudinal sliding chute; the transverse adjusting mechanism comprises two transverse clamps which are respectively positioned at the left side and the right side of the mobile phone screen; the longitudinal adjusting mechanism comprises two longitudinal clamps which are respectively positioned at the upper side and the lower side of the mobile phone screen; the transverse clamp and the longitudinal clamp respectively extend out of the transverse sliding groove and the longitudinal sliding groove of the object carrying platform and are close to or far away from each other along the length direction of the sliding grooves so as to clamp or release the mobile phone screen.
7. The mobile phone screen connector computer function testing device of claim 6, wherein the transverse adjusting mechanism and the longitudinal adjusting mechanism each further comprise two clamp fixing seats, two belt pulleys, a belt sleeved on the two belt pulleys, a sliding block and a sliding seat; the transverse clamp is fixed on a clamp fixing seat, and the clamp fixing seats are respectively fixed on the outer sides of the belts; the sliding block slides on the sliding seat in a reciprocating manner; the clamp fixing seat is fixedly connected with the sliding block; the belt drives the transverse clamps or the longitudinal clamps on the two clamp fixing seats to mutually approach or separate through synchronous forward rotation or reverse rotation of the belt pulley so as to clamp or loosen the left side or the right side or the upper side and the lower side of the mobile phone screen.
8. A method for detecting the computer function of a mobile phone screen connector is characterized by comprising the following steps:
(1) Before testing, according to the crimping requirement of the mobile phone screen connector, an upper CCD mechanism is adopted to obtain the coordinate location of a first probe copy-shaped groove on a testing jig, and a lower CCD mechanism is adopted to obtain the coordinate location of a second probe copy-shaped groove on the testing jig, and the two coordinate locations are used as standard templates;
(2) A lower CCD mechanism of the positioning mechanism moves to the position below the second probe profiling groove, and the upper CCD mechanism takes pictures to position the angle of the second probe profiling groove;
(3) The feeding mechanism clamps the mobile phone screen from an external assembly line and transfers the mobile phone screen to the turnover mechanism; the turnover mechanism turns the mobile phone screen 180 degrees to the pre-positioning mechanism;
(4) The mobile phone screen is transferred to the pre-positioning mechanism and is fixed on the carrying platform for pre-positioning under the adjustment of the transverse adjusting mechanism and the longitudinal adjusting mechanism;
(5) Then a grabbing device of the correcting mechanism adsorbs the mobile phone screen to move to the carrying platform to begin to take materials;
(6) The upper CCD mechanism moves to the upper part of the first probe profiling groove under the action of a horizontal sliding device of the correcting mechanism, and photographs to position the angle of the first probe profiling groove;
(7) The grabbing device of the correction mechanism drives the sucker fixing plate to rotate through the servo motor according to the angle of the first probe profiling groove, so that the adsorbed mobile phone screen is driven to rotate, and a mobile phone screen connector on the mobile phone screen is adjusted to the angle to be processed;
(8) When the angle of the first probe copy-shaped groove and the angle of the second probe copy-shaped groove are matched with a preset template, the positioning of the mobile phone screen connector is finished, the mobile phone screen connector with the adjusted angles is placed into the first probe copy-shaped groove, and the pressing block starts to be pressed downwards for testing;
(9) The blanking mechanism clamps and transports the detected mobile phone screen to a blanking station;
(10) The blanking mechanism clamps and transports the detected mobile phone screen to an external production line from a blanking station.
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