Electronic paper detection equipment

Abstract

The invention relates to the technical field of electronic paper detection, in particular to electronic paper detection equipment which comprises a protective cover assembly, a workbench is arranged in the protective cover assembly, a feeding device, a feeding and discharging arm, a plurality of detection stations and a discharging device are arranged on the workbench, the feeding device is used for feeding electronic paper, the feeding and discharging arm is used for feeding and discharging the electronic paper, and the detection stations are arranged on the workbench. The detection station is used for detecting electronic paper, the discharging device is used for discharging the electronic paper, the feeding and discharging arm comprises a feeding arm body and a discharging arm body, a buffering assembly is arranged on the feeding arm body, and the situation that the feeding arm body is damaged due to violent shaking generated during sudden stop during feeding is avoided by arranging the buffering assembly on the feeding arm body; a top plate, a side plate and a bottom plate are arranged on the discharging arm, the bottom plate is perpendicular to the side plate, the top plate is perpendicular to the side plate, the top plate is parallel to the bottom plate, when the camera assembly, the light source assembly and the suction cup assembly are matched for work, the camera assembly, the light source assembly and the suction cup assembly avoid one another, and damage caused by improper matching is prevented.

Description

Technical Field

[0001] The present invention relates to the technical field of electronic paper detection, and in particular to an electronic paper detection device. Background Art

[0002] Electronic paper is an ultra-thin and ultra-light display screen that is as comfortable to read as paper and is ultra-thin and lightweight. It has been widely used. When in use, electronic paper is electrically connected and driven by a gold finger to control the electronic paper to display images. Due to the display characteristics of electronic paper, how to improve the display effect of electronic paper has become the focus of attention. Image detection of electronic paper is an important step in ensuring the image quality of electronic paper during production.

[0003] At present, electronic paper screen inspection mainly adopts manual screen testing and test result judgment. When manual screen testing is performed, the product to be tested needs to be manually plugged into the test fixture, which has a high risk of product defects. The test results rely on the subjective judgment of the inspectors, and the accuracy and reliability are low. Moreover, manual inspection takes a long time, which reduces production efficiency. Summary of the invention

[0004] In view of the above technical problems in the prior art, the present invention provides an electronic paper detection device.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] An electronic paper detection device comprises a shield assembly, a workbench is arranged inside the shield assembly, a feeding device, a loading and unloading arm, a plurality of detection stations and a discharging device are arranged on the workbench, the feeding device is the same as the electronic paper feeding, the loading and unloading arm is used for loading and unloading the electronic paper, the detection station is used for detecting the electronic paper, and the discharging device is used for discharging the electronic paper;

[0007] The loading and unloading arms include a crossbeam frame, a loading arm and a unloading arm. The crossbeam frame spans across both ends of the workbench and is located above multiple inspection stations. An X-axis linear motor is fixed on the crossbeam frame. The loading arm and the unloading arm are slidably connected to the X-axis linear motor respectively. The loading arm includes a first mounting bracket, a first Z-axis linear motion module and a second mounting bracket. The first mounting bracket is slidably connected to the X-axis linear motor. The second mounting bracket is slidably connected to the first mounting bracket through the first Z-axis linear motion module. The bottom of the second mounting bracket is connected to an electric rotating slide. The bottom of the electric rotating slide is connected to a loading suction cup assembly. A buffer assembly is also connected to the side wall of the second mounting bracket, and the buffer assembly cooperates with the loading suction cup assembly.

[0008] The unloading arm includes a third mounting bracket, which includes a top plate, a side plate and a bottom plate. The top plate and the side plate are vertically arranged, the bottom plate and the side plate are vertically arranged, the top plate and the bottom plate are parallel to each other, an adjustment bracket is provided at the bottom of the top plate, a camera assembly is slidably connected to the adjustment bracket, a second Z-axis linear motion module is provided on the side plate, a second light source assembly is slidably connected to the second Z-axis linear motion module, a Y-axis linear motion module is provided at the bottom of the bottom plate, and the Y-axis linear motion module is slidably connected to a unloading suction cup assembly.

[0009] Preferably, an electric rotary slide, a loading suction cup assembly and a buffer assembly are each provided with a pair, and the pair of electric rotary slides are mirror-imaged and arranged at the bottom of the second mounting bracket, the loading suction cup assembly includes a holder, a first suction cup arm and a first vacuum suction nozzle, the truss is an integrally formed structure which includes a bending rod and a straight rod, the first vacuum suction nozzle is connected to the first suction cup arm, the first suction cup arm is arranged in parallel on both sides of the straight rod, and the distance between adjacent first suction cup arms is adjustable, the buffer assembly includes a first connecting plate, a second connecting plate and a first slide cylinder, the second connecting plate is arranged below the first connecting plate, the first connecting plate and the second connecting plate are slidably connected by the first slide cylinder, the first connecting plate is connected to the side wall of the second mounting bracket, and the second connecting plate cooperates with the loading suction cup assembly under the drive of the first slide cylinder to clamp or separate the bending rod, a groove is provided at one end of the second connecting plate, a buffer block is fixed in the groove, a slot is provided on the buffer block, and the second connecting plate clamps the bending rod through the slot on the buffer block.

[0010] Preferably, a first extension plate is also provided on the second mounting bracket, a positioning camera is provided on the first extension plate, a pair of positioning cameras are arranged in parallel on the first extension plate, a first manual displacement platform is also provided between the first extension plate and the positioning camera, the manual displacement platform is also provided with a pair of positioning cameras for adjusting the positioning camera up and down, a first light source assembly is also provided on the first extension plate, the first light source assembly is provided with a pair and is located below the positioning camera, the first light source assembly includes a first light source bracket and a positioning light source, the first light source bracket is connected to the extension plate, and the positioning light source is arranged at the bottom of the first light source bracket.

[0011] Preferably, a second light source assembly is provided below the camera assembly to cooperate with the camera assembly, the second light source assembly includes a second light source bracket and a detection light source, the second light source bracket is connected to the second Z-axis linear motion module, the detection light source is arranged at the bottom of the second light source bracket, the camera assembly includes a camera mounting frame and a detection camera, one end of the camera mounting frame is connected to the slider, and the other end is connected to the detection camera, a pair of detection cameras are provided, and a second manual displacement platform is provided between the detection camera and the camera mounting frame, and the second manual displacement platform is used to adjust the detection camera up and down.

[0012] Preferably, the unloading suction cup assembly is arranged below the second light source assembly, and the unloading suction cup assembly includes a connecting frame, a suction cup frame, a second suction cup arm and a second vacuum suction nozzle. One end of the connecting frame is slidably connected to the Y-axis linear motion module, and the other end is connected to the suction cup frame. The second vacuum suction nozzle is connected to the suction cup arm. The suction cup arms are arranged in parallel on both sides of the suction cup frame, and the distance between adjacent suction cup arms is adjustable. A second slide cylinder is provided between the connecting frame and the suction cup frame, and the connecting frame and the suction cup frame are slidably connected through the second slide cylinder. The suction cup frame and the second slide cylinder are each provided with a pair and are arranged in parallel on the connecting frame.

[0013] Preferably, the loading arm is used to carry the electronic paper on the feeding device to each inspection station. The feeding device includes a feeding support frame, a feeding transmission mechanism, a feeding manipulator, an intermediate transfer platform, and a code scanning mechanism arranged between the feeding transmission mechanism and the intermediate transfer platform. The feeding transmission mechanism is arranged on the feeding support frame. The feeding support frame is also provided with a positioning module to cooperate with the feeding transmission mechanism. The feeding transmission mechanism is used to transport the electronic paper to the bottom of the feeding manipulator. The feeding manipulator is used to suck the electronic paper onto the intermediate transfer platform. The code scanning mechanism is used to scan the code during the feeding manipulator carrying the electronic paper.

[0014] The unloading arm is used to carry the electronic paper on the detection station to the unloading device. The unloading device includes a unloading support frame and a unloading transmission mechanism. The unloading transmission mechanism is arranged on the unloading support frame.

[0015] Preferably, the detection station includes a supporting frame, a porous vacuum suction cup and a needle membrane assembly arranged on the supporting frame, the needle membrane assembly and the porous vacuum suction cup are used together to detect electronic paper, the needle membrane assembly includes a fixed base, a lit needle membrane and a cover plate, a needle membrane groove is opened on the fixed base, the lit needle membrane is arranged in the needle membrane groove, a protruding block is provided on the lit needle membrane, a number of probes are provided on the protruding block, the cover plate is hinged to the fixed base, a pressure head is provided on the cover plate for pressing the protruding block, and a first positioning hole and a second positioning hole are also provided on the fixed base, and the distance from the first positioning hole to the left side of the protruding block is the same as the distance from the second positioning hole to the right side of the protruding block.

[0016] Preferably, a driving device is further provided on the inspection station, the driving device is connected to the cover plate and is used to drive the cover plate to open or close, and the driving device includes a cylinder driving assembly and a connecting rod assembly;

[0017] The cylinder drive assembly includes a connecting block, a push rod cylinder, a displacement block and a stabilizing block. One end of the connecting block is connected to the push rod cylinder, and the other end is connected to the stabilizing block. The push rod cylinder is connected to the displacement block to push the displacement block up and down. A floating joint that cooperates with the push rod cylinder is provided at the bottom of the displacement block. A straight rack is also provided on the left side wall of the displacement block. The stabilizing block cooperates with the displacement block, a slide rail is provided on the right side wall of the stabilizing block, and a slider that cooperates with the slide rail is provided on the left side wall of the displacement block.

[0018] Preferably, the connecting rod assembly includes a first support plate, a second support plate, a rotating rod, a gear and a push arm, the first support plate and the second support plate are arranged at both ends of the support frame, a first rolling bearing is arranged in the first support plate, a second rolling bearing is arranged in the second support plate, one end of the rotating rod is connected to the first rolling bearing, and the other end is connected to the second rolling bearing, the gear sleeve is arranged on the rotating rod and cooperates with the spur rack, and a pair of push arms are arranged on both sides of the gear, wherein one end of the push arm is connected to the rotating rod, and the other end is connected to the cover plate;

[0019] The driving device also includes a protective cover which is fixedly connected to the displacement block and is used for covering the gear and the spur rack.

[0020] Preferably, a frame is also provided on the workbench, a plasma wind rod is connected to the frame, and the plasma wind rod is arranged above the detection station for cleaning the detection station.

[0021] Beneficial effects of the present invention:

[0022] Compared with the prior art, the loading and unloading arm provided by the present invention has the following advantages:

[0023] 1. The feeding device, loading and unloading arm, inspection station and discharging device are set on the workbench to integrate the work flow, avoid the dispersion of processes and improve work efficiency.

[0024] 2. A buffer assembly is provided on the loading arm to prevent the loading suction cup assembly in the loading upper arm from shaking violently under the action of inertia when the loading arm stops suddenly, thereby damaging the electric rotary slide.

[0025] 3. A top plate, side plate and bottom plate are arranged on the unloading arm, the bottom plate and the side plate are arranged perpendicular to each other, the top plate and the side plate are arranged perpendicular to each other, and the top plate and the bottom plate are arranged parallel to each other. When the camera assembly on the top plate, the light source assembly on the side plate and the suction cup assembly on the bottom plate work in coordination, the camera assembly, the light source assembly and the suction cup assembly avoid each other to prevent damage to the mechanism due to improper coordination. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional diagram of an electronic paper detection device in an embodiment.

[0027] Figure 2 It is a three-dimensional diagram of the feeding mechanism in the embodiment.

[0028] Figure 3 It is a stereogram of the overall structure of the shield in the embodiment.

[0029] Figure 4 It is a three-dimensional diagram of the loading and unloading arms in the embodiment.

[0030] Figure 5 It is a three-dimensional diagram of the loading arm in the embodiment.

[0031] Figure 6 It is a stereoscopic view of the loading suction cup assembly in the embodiment.

[0032] Figure 7 It is a three-dimensional diagram of the buffer component in the embodiment.

[0033] Figure 8 A three-dimensional diagram of the unloading arm in the embodiment

[0034] Fig. 9 It is a stereoscopic view of the bottom plate and the unloading suction cup assembly in the embodiment.

[0035] Fig.10 It is a three-dimensional diagram of the detection station in the embodiment.

[0036] Fig.11 It is a stereoscopic view of the needle membrane assembly in the embodiment.

[0037] Fig.12 It is a partial enlarged view of A in the embodiment.

[0038] Fig.13 It is a three-dimensional diagram of the driving mechanism in the embodiment.

[0039] Fig.14 It is a three-dimensional diagram of the cylinder drive assembly in the embodiment.

[0040] Fig.15 It is a stereoscopic diagram of the discharging device in the embodiment.

[0041] Reference numerals: 1. shield assembly;

[0042] 2. Workbench; 201. Loading and unloading arm; 202. Beam frame; 203. X-axis linear motor; 204. Loading arm; 205. First mounting bracket; 206. Second mounting bracket; 207. First Z-axis linear motion module; 208. Electric rotary slide; 209. Loading suction cup assembly; 210. Truss; 211. Bending rod; 212. Straight rod; 213. First suction cup arm; 214. First vacuum nozzle; 215. Buffer assembly; 216. First connecting plate; 217. First slide cylinder; 218. Second connecting plate; 219. Groove; 220. Buffer block; 221. Card slot; 222. First extension plate; 223. Positioning camera; 224. First manual displacement stage; 225. First light source assembly; 226. First light source bracket; 227. Positioning light source;

[0043] 228, unloading arm; 229, third mounting bracket; 230, top plate; 231, adjustment bracket; 232, camera assembly; 233, camera mounting bracket; 234, detection camera; 235, second manual displacement stage; 236, side plate; 237, second Z-axis linear motion module; 238, second light source assembly; 239, second light source bracket; 240, detection light source; 241, bottom plate; 242, Y-axis linear motion module; 243, unloading suction cup assembly; 244, connecting frame; 245, suction cup frame; 246, second suction cup arm; 247, second vacuum nozzle; 248, second slide cylinder;

[0044] 249, skeleton; 250, plasma wind rod;

[0045] 3. Feeding device; 301. Feeding support frame; 302. Feeding transmission mechanism; 303. Feeding manipulator; 304. Intermediate transfer platform; 305. Code scanning mechanism;

[0046] 4. Inspection station; 401. Support frame; 402. Porous vacuum suction cup; 403. Needle membrane assembly; 404. Fixed base; 405. Needle membrane groove; 4041. First positioning hole; 4042. Second positioning hole; 406. Light up the needle membrane; 407. Raised block; 408. Probe; 409. Cover plate; 410. Press head; 411. Drive device; 412. Cylinder drive assembly; 413. Connecting block; 414. Push rod cylinder; 415. Displacement block; 416. Floating joint; 417. Straight rack; 418. Sliding block; 419. Stabilizing block; 420. Slide rail;

[0047] 421, connecting rod assembly; 422, first support plate; 423, first rolling bearing; 424, second support plate; 425, second rolling bearing; 426, rotating rod; 427, gear; 428, push arm; 429, protective cover;

[0048] 5. Discharging device; 501. Discharging support frame; 502. Discharging transmission mechanism. DETAILED DESCRIPTION

[0049] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0050] An electronic paper detection device, combined with Figure 1 and 3As shown, it includes a shield assembly 1, a workbench 2 is provided inside the shield assembly 1, a feeding device 3, a loading and unloading arm 201, a plurality of inspection stations 4 and a discharging device 5 are provided on the workbench 2, and a plasma blower is provided inside the shield assembly 1. The plasma blower is arranged above the feeding device 3 and is used to remove static electricity and dust on the surface of the electronic paper to ensure the cleanliness of the surface of the electronic paper.

[0051] Further, according to Figure 2 As shown, the feeding device 3 includes a feeding support frame 301, a feeding transmission mechanism 302, a feeding robot 303, a code scanning mechanism 305 and an intermediate transfer platform 304. The feeding support frame 301 is connected to the workbench 2, and the feeding transmission mechanism 302 is arranged on the feeding support frame 301. The feeding transmission mechanism 302 is used to transport the electronic paper to the bottom of the feeding robot 303. A positioning module is also provided on the feeding support frame 301. The positioning module cooperates with the feeding transmission mechanism 302 to be used for the initial positioning of the electronic paper to facilitate the feeding robot 303 to grab the electronic paper. Among them, the feeding transmission mechanism 302 is preferably a conveyor belt. The feeding robot 303 is used to transport the electronic paper to the intermediate transfer platform 304. A linear motor is provided under the feeding robot 303, and the linear motor is arranged on the workbench 2 to drive the feeding robot 303 to move back and forth. The barcode scanning mechanism 305 is arranged between the feeding transmission mechanism 302 and the intermediate transfer platform 304. A pair of barcode scanning guns are arranged on the barcode scanning mechanism 305. The barcode scanning lenses of the pair of barcode scanning guns are illuminated on the movement path of the feeding robot 303. When the feeding robot 303 carries the electronic paper through the barcode scanning mechanism 305, the barcode scanning guns will scan the code on the electronic paper so that the electronic paper can be traced more conveniently during subsequent inspections.

[0052] Further, combined with Figure 4-7 As shown, the loading and unloading arm 201 includes a crossbeam frame 202, a loading arm 204 and a unloading arm 228. An X-axis linear motor 203 is fixedly installed on the top of the crossbeam frame 202. The loading arm 204 and the unloading arm 228 are respectively slidably connected to the X-axis linear motor 203. The X-axis linear motor 203 is used to drive the loading arm 204 and the unloading arm 228 to operate alternately. Among them, the loading arm 204 is used to move the electronic paper on the intermediate transfer platform 304 to the inspection station 4. The loading arm 204 includes a first mounting bracket 205, a first Z-axis linear motion module 207 and a second mounting bracket 206. The first mounting bracket 205 is slidably connected to the X-axis linear motor 203, and the second mounting bracket 206 is slidably connected to the first mounting bracket 205 through the first Z-axis linear motion module 207. The bottom of the second mounting bracket 206 is connected to an electric rotating slide 208, and the bottom of the electric rotating slide 208 is detachably connected to a loading suction cup assembly 209. The electric rotating slide 208 can drive the loading suction cup assembly 209 to move along the X-axis, the Y-axis, and drive the loading suction cup assembly 209 to swing, so as to realize the correction of the loading suction cup assembly 209.

[0053] A buffer assembly 215 that cooperates with the loading suction cup assembly 209 is provided on the second mounting bracket 206. The buffer assembly 215 is used to prevent the loading suction cup assembly 209 from shaking violently under the action of inertia when the loading arm 204 stops suddenly, thereby causing damage to the electric rotating slide 208. The buffer assembly 215 includes a first connecting plate 216, a second connecting plate 218 and a first slide cylinder 217. The second connecting plate 218 is arranged below the first connecting plate 216. The first connecting plate 216 and the second connecting plate 218 are slidably connected through the first slide cylinder 217. The first connecting plate 216 is connected to the side wall of the second mounting bracket 206. The second connecting plate 218 cooperates with the loading suction cup assembly 209 under the drive of the first slide cylinder 217 to clamp or separate the loading suction cup assembly 209. Among them, the loading suction cup assembly 209 includes a bracket, a first suction cup arm 213 and a first vacuum suction nozzle 214, wherein the truss 210 is an integrally formed structure, the truss 210 includes a bending rod 211 and a straight rod 212, one end of the bending rod 211 is connected to the electric rotating slide 208, and the other end of the bending rod 211 is fixedly connected to the straight rod 212, the first vacuum suction nozzle 214 is connected to the first suction cup arm 213, the first suction cup arms 213 are arranged side by side along both sides of the straight rod 212, and the distance between adjacent first suction cup arms 213 is adjustable. Among them, a groove 219 is provided at one end of the second connecting plate 218, and a buffer block 220 is provided on the groove 219. The buffer block 220 is made of silicone or rubber, and is fixedly arranged in the groove 219. The buffer block 220 is also provided with a slot 221. The second connecting plate 218 cooperates with the bending rod 211 through the slot 221 on the buffer block 220 to clamp the feeding suction cup assembly 209. Among them, the electric rotary slide 208, the feeding suction cup assembly 209 and the buffer assembly 215 are all a pair, and the pair of electric rotary slides 208 are all arranged at the bottom of the second mounting bracket 206 and the pair of electric rotary slides 208 are mirror-imaged. The working efficiency of the feeding arm 204 is improved by arranging a pair of electric rotary slides 208 and a pair of feeding suction cup assemblies 209.

[0054] A first extension plate 222 is also provided on the second mounting bracket 206, and a positioning camera 223 is provided on the first extension plate 222. A pair of positioning cameras 223 are arranged in parallel on the first extension plate 222. The positioning camera 223 is arranged above the loading suction cup assembly 209 and cooperates with the loading suction cup assembly 209. A first manual displacement platform 224 is also provided between the first extension plate 222 and the positioning camera 223. The first manual displacement platform 224 is also provided with a pair. The first manual displacement platform 224 is used to adjust the positioning camera 223 up and down. The first manual displacement platform 224 expands the range of movement of the camera. A first light source assembly 225 is also provided on the first extension plate 222. The first light source assembly 225 is provided with a pair and is located below the positioning camera 223 and cooperates with the positioning camera 223 to illuminate the positioning camera 223. The first light source assembly 225 includes a first light source bracket 226 and a positioning light source 227. The first light source bracket 226 is connected to the extension plate, and the positioning light source 227 is arranged at the bottom of the first light source bracket 226.

[0055] Further, combined with Figure 8-9 As shown, the unloading arm 228 includes a third mounting bracket 229, and the third mounting bracket 229 includes a top plate 230, a side plate 236 and a bottom plate 241, wherein the bottom plate 241 and the side plate 236 are arranged perpendicular to each other, the bottom plate 241 and the side plate 236 are arranged perpendicular to each other, the top plate 230 and the bottom plate 241 are arranged parallel to each other, and an adjustment bracket 231 is provided at the bottom of the top plate 230, and the adjustment bracket 231 is slidably connected to the camera assembly 232, and a second Z-axis linear motion module 237 is fixed on the side plate 236, and the second A second light source assembly 238 is slidably connected to the Z-axis linear motion module 237, and the second light source assembly 238 is arranged below the camera assembly 232. The driving motor on the second Z-axis linear motion module 237 drives the second light source assembly 238 to move along the Z-axis. A Y-axis linear motion module 242 is fixed to the bottom of the base plate 241, and a material unloading suction cup assembly 243 is slidably connected to the Y-axis linear motion module 242. The driving motor on the Y-axis linear motion module 242 can drive the material unloading suction cup assembly 243 to move along the Y-axis. By separately arranging the camera assembly 232, the second light source assembly 238 and the unloading suction cup assembly 243, each mechanism is relatively independent and has a larger range of motion. When the camera assembly 232, the second light source assembly 238 and the unloading suction cup assembly 243 work in coordination with each other, the camera assembly 232 cooperates with the adjustment bracket 231, the second light source assembly 238 cooperates with the second Z-axis linear motion module 237, and the unloading suction cup assembly 243 cooperates with the Y-axis linear motion module 242, so that the camera assembly 232, the second light source assembly 238 and the unloading suction cup assembly 243 avoid each other, thereby preventing damage to the mechanism due to improper coordination.

[0056] The camera assembly 232 is arranged below the adjustment bracket 231. The camera assembly 232 includes a camera mounting frame 233 and a detection camera 234. One end of the camera mounting frame 233 is connected to the adjustment bracket 231. The adjustment bracket 231 is used to realize forward and backward movement to expand the range of motion of the camera assembly 232. The other end of the camera mounting frame 233 is connected to the detection camera 234. A pair of detection cameras 234 are arranged in parallel on the camera mounting frame 233. A second manual displacement platform 235 is also arranged between the camera mounting frame 233 and the detection camera 234. The second manual displacement platform 235 enables the detection camera 234 to be adjusted up and down to expand the range of motion of the detection camera 234. A second light source assembly 238 is also arranged below the camera assembly 232. The second light source assembly 238 cooperates with the camera assembly 232. The second light source assembly 238 includes a second light source bracket 239 and a detection light source 240. The second light source bracket 239 is slidably connected to the second Z-axis linear motion module 237. The detection light source 240 is arranged at the bottom of the second light source bracket 239.

[0057] The unloading suction cup assembly 243 is arranged below the second light source assembly 238, and the unloading suction cup assembly 243 includes a connecting frame 244, a suction cup frame 245, a second suction cup arm 246 and a second vacuum suction nozzle 247, wherein one end of the connecting frame 244 is slidably connected to the Y-axis linear motion module 242, and the other end is connected to the suction cup frame 245, the second vacuum suction nozzle 247 is connected to the second suction cup arm 246, and the second suction cup arms 246 are arranged in parallel on both sides of the suction cup frame 245, and the distance between adjacent suction cup arms is adjustable. Among them, a second sliding cylinder 248 is also provided between the connecting frame 244 and the suction cup frame 245. The connecting frame 244 is slidably connected to the suction cup frame 245 through the sliding cylinder. By further providing a sliding cylinder between the connecting frame 244 and the suction cup frame 245, the movable range of the unloading suction cup assembly 243 is expanded. A pair of suction cup frames 245 and sliding cylinders are each provided. A pair of suction cup frames 245 and sliding cylinders are arranged in parallel on the connecting frame 244. By arranging a pair of suction cup frames 245 on the connecting frame 244, its working efficiency is improved.

[0058] Further, combined with Figure 10-14As shown, the detection station 4 includes a supporting frame 401, a porous vacuum suction cup 402 and a needle membrane assembly 403. The porous vacuum suction cup 402 is arranged on the supporting frame 401. The porous vacuum suction cup 402 can suck the material to prevent the corners of the material from curling up. The porous vacuum suction cup 402 is provided with a plurality of vacuum suction holes, and the plurality of vacuum suction holes form a first suction area and a second suction area, so that the detection station 4 can check two pieces of electronic paper at a time to improve work efficiency. The needle membrane assembly 403 is also arranged on the support frame 401 to cooperate with the porous vacuum suction cup 402 to detect the electronic paper. The needle membrane assembly 403 includes a cover plate 409, a lighting needle membrane 406 and a fixed base 404, wherein the fixed base 404 is connected to the support frame 401, and the lighting needle membrane 406 is arranged on the fixed base 404. Specifically, a needle membrane groove 405 cooperating with the lighting needle membrane 406 is opened on the fixed base 404, and a protruding block 407 is provided on the lighting needle membrane 406. A plurality of probes 408 are provided on the protruding block 407. When the gold finger on the electronic paper is connected to the probe 408, the probe 408 is energized to detect the material. The cover plate 409 is hinged to the fixed base 404, and a pressure head 410 is provided on the cover plate 409 for pressing the protruding block 407 to fix the gold finger on the electronic paper to prevent the material from shifting during the detection process.

[0059] The detection station 4 also includes a driving device 411, which is connected to the cover plate 409 and is used to drive the cover plate 409 to open or close to illuminate the needle membrane 406. The driving component is arranged on the support frame 401. The driving device 411 includes a cylinder driving component 412 and a connecting rod component 421. The connecting rod component 421 is connected to the cover plate 409. The cylinder driving component 412 cooperates with the connecting rod component 421 to drive the connecting rod component 421.

[0060] Among them, the cylinder drive assembly 412 includes a connecting block 413, a push rod cylinder 414, a displacement block 415 and a stabilizing block 419. One end of the connecting block 413 is connected to the push rod cylinder 414, and the other end is connected to the stabilizing block 419. The push rod cylinder 414 is connected to the displacement block 415 to push the displacement block 415 up and down. A floating joint 416 that cooperates with the push rod cylinder 414 is provided at the bottom of the displacement block 415. A straight rack 417 is also provided on the left side wall of the displacement block 415. The stabilizing block 419 cooperates with the displacement block 415. A slide rail 420 is provided on the right side wall of the stabilizing block 419. A slider 418 that cooperates with the slide rail 420 is provided on the left side wall of the displacement block 415. Fig.14 Direction) By setting a slide rail 420 on the stabilizing block 419 and a slider 418 on the displacement block 415, the displacement block 415 is prevented from shaking when the push rod cylinder 414 drives the displacement block 415 to move up and down.

[0061] The connecting rod assembly 421 includes a first support plate 422, a second support plate 424, a rotating rod 426, a gear 427 and a pushing arm 428. The first support plate 422 and the second support plate 424 are arranged at both ends of the support frame 401. The first support plate 422 is provided with a first rolling bearing 423, and the second support plate 424 is provided with a second rolling bearing 425. One end of the rotating rod 426 is connected to the first rolling bearing 423, and the other end is connected to the second rolling bearing 425. The gear 427 is sleeved on the rotating rod 426 and cooperates with the spur rack 417. A pair of pushing arms 428 are arranged on both sides of the gear 427, wherein one end of the pushing arm 428 is connected to the rotating rod 426, and the other end is connected to the cover plate 409. During use, when the electronic paper is placed on the detection station 4, the push rod cylinder 414 will push the displacement block 415 to move upward, the straight rack 417 on the displacement block 415 will push the gear 427 to rotate, the gear 427 will drive the rotating rod 426 to rotate, and the rotating rod 426 will drive the pushing arm 428 to light up the needle membrane 406 to cover it.

[0062] The driving device 411 also includes a protective cover 429, which is fixedly connected to the displacement block 415. The protective cover 429 is used to cover the gear 427 and the spur rack 417 to prevent materials from accidentally falling and being caught in the gear 427 and the spur rack 417 during movement, thereby damaging the driving device 411.

[0063] Further, combined with Figure 5 , 11 As shown, the needle film assembly 403 cooperates with the feeding arm 204 to position the electronic paper. Specifically, a first positioning hole 4041 and a second positioning hole 4042 are provided on the fixed base 404. The first positioning hole 4041 and the second positioning hole 4042 are arranged opposite to each other, wherein the distance from the first positioning hole 4041 to the left edge of the protruding block 407 is the same as the distance from the second positioning hole 4042 to the right edge (with the attached Fig.11 When in use, when the loading arm 204 carries the electronic paper to the top of the detection station 4, it first moves downward through the first Z-axis linear motion module 207. When the electronic paper is 40.5cm-1.00cm away from the detection station, the positioning camera 223 on the loading arm 204 takes a picture to determine the range of the electric rotary slide 208 that needs to be corrected. At this time, the second connecting plate 218 moves downward under the drive of the first slide cylinder 217, and the electric rotary slide 208 starts to correct the deviation. When the positioning camera 223 detects that the distance from the first positioning hole 4041 to the left side of the gold finger is the same as the distance from the second positioning hole 4042 to the right side of the gold finger (with the attached Fig.11 After the positioning is completed, the first Z-axis linear motion module 207 continues to move downward to place the electronic paper on the porous vacuum suction cup 402. At this time, the gold fingers on the electronic paper completely cover the probe 408 on the raised block 407. Finally, the cylinder drive component 412 drives the cover plate 409 to press the gold fingers.

[0064] Further, according to Figure 1 As shown, a frame 249 is also provided on the workbench 2, and a plasma wind rod 250 is connected to the frame 249, wherein the plasma wind rod 250 is arranged above the detection station 4. The plasma fan 102 on the workbench 2 can remove static electricity and dust on the surface of the material to ensure the cleanliness of the material surface.

[0065] Further, combined with Figure 8 , 15 As shown, after the loading arm 204 carries the electronic paper to the inspection station 4, the loading arm 204 will move to one side of the beam frame 202 and then be inspected by the unloading arm 228. Specifically, the unloading arm 228 starts to move along the X-axis driven by the X-axis linear motor 203. When the unloading arm 228 moves to the top of the inspection station 4, the second Z-axis linear motion module 237 will drive the second light source assembly 238 to move downward. At the same time, the Y-axis linear motion module 242 drives the unloading suction cup assembly 243 to move backward to avoid the second light source assembly 238 from colliding with the unloading suction cup assembly 243. After the inspection is completed, the unloading suction cup assembly 243 on the unloading arm 228 Component 243 moves the electronic paper on the detection station 4 to the discharging device 5. Specifically, the second light source component 238 moves upward under the drive of the second Z-axis linear module, and the Y-axis linear motion module 242 drives the unloading suction cup arm to move forward. When the unloading suction cup component 243 reaches the top of the detection station 4, the second slide cylinder 248 drives the suction cup frame 245 to move downward to absorb the electronic paper and transport it to the discharging device 5, wherein the discharging device 5 includes a discharging support frame 501 and a discharging transmission mechanism 502, the discharging support frame 501 is arranged on the workbench 2, and the discharging transmission mechanism 502 is arranged on the discharging support frame 501, and the discharging transmission mechanism 502 is preferably a conveyor belt.

[0066] In the description of the present invention, it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments. The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations.

[0067] Therefore, the above detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts are within the scope of protection of the present invention.

[0068] In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0069] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "disposed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. An electronic paper detection device, characterized in that: The invention comprises a shield assembly (1), wherein a workbench (2) is arranged inside the shield assembly (1), and a feeding device (3), a loading and unloading arm (201), a plurality of detection stations (4) and a discharging device (5) are arranged on the workbench (2), wherein the feeding device (3) is the same as the electronic paper feeding device, the loading and unloading arm (201) is used for loading and unloading the electronic paper, the detection station (4) is used for detecting the electronic paper, and the discharging device (5) is used for discharging the electronic paper; The loading and unloading arm (201) comprises a crossbeam frame (202), a loading arm (204) and a unloading arm (228); the crossbeam frame (202) spans across two ends of a workbench (2) and is located above a plurality of inspection stations (4); an X-axis linear motor (203) is arranged on the crossbeam frame (202); the loading arm (204) and the unloading arm (228) are respectively slidably connected to the X-axis linear motor (203); the loading arm (204) comprises a first mounting bracket (205), a first Z-axis linear motion module (207) and a second mounting bracket (2 06), the first mounting bracket (205) is slidably connected to the X-axis linear motor (203), the second mounting bracket (206) is slidably connected to the first mounting bracket (205) through the first Z-axis linear motion module (207), the bottom of the second mounting bracket (206) is connected to an electric rotating slide (208), the bottom of the electric rotating slide (208) is connected to a loading suction cup assembly (209), and a buffer assembly (215) is also connected to the side wall of the second mounting bracket (206), and the buffer assembly (215) cooperates with the loading suction cup assembly (209); The unloading arm (228) comprises a third mounting bracket (229), and the third mounting bracket (229) comprises a top plate (230), a side plate (236) and a bottom plate (241). The top plate (230) and the side plate (236) are arranged perpendicularly to each other, and the bottom plate (241) and the side plate (236) are arranged perpendicularly to each other. The top plate (230) and the bottom plate (241) are arranged parallel to each other. An adjusting bracket (231) is arranged at the bottom of the top plate (230), and a camera assembly (232) is slidably connected to the adjusting bracket (231). A second Z-axis linear motion module (237) is arranged on the side plate (236), and a second light source assembly (238) is slidably connected to the second Z-axis linear motion module (237). A Y-axis linear motion module (242) is arranged at the bottom of the bottom plate (241), and the Y-axis linear motion module is slidably connected to the unloading suction cup assembly (243).

2. The electronic paper detection device according to claim 1, characterized in that: The electric rotary slide (208), the loading suction cup assembly (209) and the buffer assembly (215) are each provided with a pair. The pair of electric rotary slides (208) are mirror-imaged and arranged at the bottom of the second mounting bracket (206). The loading suction cup assembly (209) includes a bracket, a first suction cup arm (213) and a first vacuum suction nozzle (214). The truss (210) is an integrally formed structure, which includes a bending rod (211) and a straight rod (212). The first vacuum suction nozzle (214) is connected to the first suction cup arm (213). The first suction cup arms (213) are arranged in parallel on both sides of the straight rod (212), and the distance between adjacent first suction cup arms (213) is adjustable. The buffer assembly (215) includes a first connecting plate (216), a second connecting plate (218) and a first slide air The first connecting plate (216) and the second connecting plate (218) are slidably connected via the first slide cylinder (217); the first connecting plate (216) and the second connecting plate (218) are connected to the side wall of the second mounting bracket (206); the second connecting plate (218) cooperates with the loading suction cup assembly (209) under the drive of the first slide cylinder (217) to clamp or separate the bending rod (211); a groove (219) is provided at one end of the second connecting plate (218); a buffer block (220) is fixedly provided in the groove (219); a clamping groove (221) is provided on the buffer block (220); the second connecting plate (218) clamps the bending rod (211) via the clamping groove (221) on the buffer block (220).

3. The electronic paper detection device according to claim 2, characterized in that: The second mounting bracket (206) is also provided with a first extension plate (222), a positioning camera (223) is provided on the first extension plate (222), a pair of positioning cameras (223) are arranged in parallel on the first extension plate (222), a first manual displacement platform (224) is also provided between the first extension plate (222) and the positioning camera (223), the manual displacement platform is also provided with a pair of for adjusting the positioning camera (223) up and down, a first light source assembly (225) is also provided on the first extension plate (222), the first light source assembly (225) is provided with a pair and is located below the positioning camera (223), the first light source assembly (225) comprises a first light source bracket (226) and a positioning light source (227), the first light source bracket (226) is connected to the extension plate, and the positioning light source (227) is arranged at the bottom of the first light source bracket (226).

4. The electronic paper detection device according to claim 1, characterized in that: A second light source assembly (238) is provided below the camera assembly (232) and cooperates with the camera assembly (232). The second light source assembly (238) includes a second light source bracket (239) and a detection light source (240). The second light source bracket (239) is connected to the second Z-axis linear motion module (237). The detection light source (240) is arranged at the bottom of the second light source bracket (239). The camera assembly (232) includes a camera mounting frame (233) and a detection camera (234). One end of the camera mounting frame (233) is connected to the slider (418), and the other end is connected to the detection camera (234). A pair of detection cameras (234) are provided. A second manual displacement platform (235) is provided between the detection camera (234) and the camera mounting frame (233). The second manual displacement platform (235) is used to adjust the detection camera (234) up and down.

5. The electronic paper detection device according to claim 4, characterized in that: The unloading suction cup assembly (243) is arranged below the second light source assembly (238), and the unloading suction cup assembly (243) includes a connecting frame (244), a suction cup frame (245), a second suction cup arm (246) and a second vacuum suction nozzle (247). One end of the connecting frame (244) is slidably connected to the Y-axis linear motion module, and the other end is connected to the suction cup frame (245). The second vacuum suction nozzle (247) is connected to the suction cup arm. The suction cup arms are arranged in parallel on both sides of the suction cup frame (245), and the distance between adjacent suction cup arms is adjustable. A second slide cylinder (248) is arranged between the connecting frame (244) and the suction cup frame (245). The connecting frame (244) and the suction cup frame (245) are slidably connected through the second slide cylinder (248). The suction cup frame (245) and the second slide cylinder (248) are each provided with a pair, which are arranged in parallel on the connecting frame (244).

6. The electronic paper detection device according to claim 1, characterized in that: The loading arm (204) is used to carry the electronic paper on the feeding device (3) to each inspection station (4). The feeding device (3) comprises a feeding support frame (301), a feeding transmission mechanism (302), a feeding manipulator (303), an intermediate transfer platform (304), and a code scanning mechanism (305) arranged between the feeding transmission mechanism (302) and the intermediate transfer platform (304). The feeding transmission mechanism (302) is arranged on the feeding support frame (301). The feeding support frame (301) is also provided with a positioning module to cooperate with the feeding transmission mechanism (302). The feeding transmission mechanism (302) is used to transport the electronic paper to the bottom of the feeding manipulator (303). The feeding manipulator (303) is used to suck the electronic paper onto the intermediate transfer platform (304). The code scanning mechanism (305) is used to scan the code when the feeding manipulator (303) is carrying the electronic paper. The unloading arm (228) is used to carry the electronic paper on the detection station (4) to the unloading device (5). The unloading device (5) comprises an unloading support frame (501) and an unloading transmission mechanism (502). The unloading transmission mechanism (502) is arranged on the unloading support frame (501).

7. The electronic paper detection device according to claim 1, characterized in that: The detection station (4) comprises a support frame (401), a porous vacuum suction cup (402) and a needle film assembly (403) arranged on the support frame (401); the needle film assembly (403) cooperates with the porous vacuum suction cup (402) to detect the electronic paper; the needle film assembly (403) comprises a fixed base (404), a lighted needle film (406) and a cover plate (409); a needle film groove (405) is provided on the fixed base (404); the lighted needle film (406) is arranged in the needle film groove (405); the lighted needle film (406) 406) is provided with a protruding block (407), and a plurality of probes (408) are provided on the protruding block (407). The cover plate (409) is hinged to the fixed base (404), and a pressure head (410) is provided on the cover plate (409) for pressing the protruding block (407). The fixed base (404) is also provided with a first positioning hole (4041) and a second positioning hole (4042), and the distance from the first positioning hole (4041) to the left side of the protruding block (407) is the same as the distance from the second positioning hole (4042) to the right side of the protruding block (407).

8. The electronic paper detection device according to claim 7, characterized in that: The detection station (4) is also provided with a driving device (411), which is connected to the cover plate (409) and is used to drive the cover plate (409) to open or close, and the driving device (411) includes a cylinder driving assembly (412) and a connecting rod assembly (421); the cylinder driving assembly (412) includes a connecting block (413), a push rod cylinder (414), a displacement block (415) and a stabilizing block (419), one end of the connecting block (413) is connected to the push rod cylinder (414), and the other end is connected to the stabilizing block (419). The push rod cylinder (414) is connected to the displacement block (415) to push the displacement block (415) to move up and down. A floating joint (416) matching with the push rod cylinder (414) is provided at the bottom of the displacement block (415). A straight rack (417) is also provided on the left side wall of the displacement block (415). A stabilizing block (419) matches with the displacement block (415). A slide rail (420) is provided on the right side wall of the stabilizing block (419). A slider (418) matching with the slide rail (420) is provided on the left side wall of the displacement block (415).

9. The electronic paper detection device according to claim 8, characterized in that: The connecting rod assembly (421) comprises a first support plate (422), a second support plate (424), a rotating rod (426), a gear (427) and a pushing arm (428); the first support plate (422) and the second support plate (424) are arranged at two ends of the supporting frame (401); a first rolling bearing (423) is arranged in the first support plate (422); a second rolling bearing (425) is arranged in the second support plate (424); one end of the rotating rod (426) is connected to the first rolling bearing (423), and the other end is connected to the second rolling bearing (425); the gear (427) is sleeved on the rotating rod (426) and matched with the spur rack (417); a pair of pushing arms (428) are arranged on both sides of the gear (427); one end of the pushing arm (428) is connected to the rotating rod (426), and the other end is connected to the cover plate (409); The driving device (411) further comprises a protective cover (429), which is fixedly connected to the displacement block (415) and is used to cover the gear (427) and the spur rack (417).

10. The electronic paper detection device according to claim 1, characterized in that: A frame (249) is also provided on the workbench (2), and a plasma wind rod (250) is connected to the frame (249). The plasma wind rod (250) is arranged above the detection station (4) and is used for cleaning the detection station (4).

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