CN114199830B

CN114199830B - Detection apparatus for optical long-focus light-resistant film

Info

Publication number: CN114199830B
Application number: CN202210144325.1A
Authority: CN
Inventors: 张雪飞
Original assignee: Snowhite Display Technology Co ltd
Current assignee: Snowhite Display Technology Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-05-17
Anticipated expiration: 2042-02-17
Also published as: CN114199830A

Abstract

The invention discloses a detection device of an optical long-focus anti-reflection film, which relates to the field of anti-reflection film detection and comprises a light-shielding shell, wherein a reflection detection device is arranged on the upper side in the shell, a screen changing device is arranged on the lower side in the shell, a clamping device is arranged between the reflection detection device and the screen changing device, the anti-reflection film is clamped on the clamping device, and a moving device is arranged between the clamping device and the reflection detection device.

Description

Detection apparatus for optical long-focus light-resistant film

Technical Field

The invention relates to the field of light-resistant film detection, in particular to a detection device of an optical long-focus light-resistant film.

Background

AG anti-glare series protective films (AG films for short) are novel frosted films developed and improved on the basis of common frosted films, and adopt imported PET materials. Because of the characteristics of good fingerprint resistance, oil stain resistance, high light transmission and the like, the AG film is widely used by the public in the current market, the AG film adopts a three-layer structure, the surface layer is a frosted layer, the invasion of fingerprints can be effectively resisted, and the marks are not easy to leave when the fingers touch; even if sweat and stains are left, the sweat and the stains can be cleaned only by lightly wiping with hands, and the visual effect of the surface of the screen of the equipment is ensured to the maximum extent.

According to the characteristics of anti-glare series protective films, light absorption materials are added, and then a long-focus optical anti-light film with a nine-layer optical structure is manufactured through a refraction principle and a reflection technology. The material is treated by a special process, so that strong glare is effectively eliminated, the outdoor use of equipment is improved, and the AG film has the characteristics of high wear resistance, high transmittance, high sensitivity and the like, so that the transmittance of the AG film is required to be detected.

Chinese patent publication No. CN105181654B discloses a light transmittance detection device, which includes: the device comprises a light source, a first spherical reflector, a second spherical reflector, a third spherical reflector, a fourth spherical reflector, a sample holder, a 100% light quantity regulator, a fifth plane mirror, a fan-shaped chopper mirror, a shallow elliptic mirror, a reference holder, an optical wedge, a sixth plane reflector, an eighth plane reflector, a fan-shaped chopper motor, a tenth plane mirror, an incidence slit, an off-axis parabolic mirror, a rotating reflector, a first grating and a second grating; an exit slit, a band-pass filter, a fourteenth plane reflector, an ellipsoid reflector and a thermocouple; a transformer, a field effect transistor; the main amplifier, diode annular demodulator, the wave filter, the modulator, power amplifier, servo motor, the recording pen, still include the scanning motor, this scanning motor drives first grating and second grating and scans, first grating and second grating are synchronous with the recording pen, the absorption spectrogram of infrared spectrum is recorded to the recording pen to the luminousness of output sample, the optical long focus resists the mainly index of blooming and is luminousness and reflectivity, and need sealed environment when measuring two indexes of luminousness and reflectivity. When the light-resistant film is placed at the same time, if the light-resistant film is not placed flatly, the measured value is inaccurate.

Disclosure of Invention

The invention discloses a detection device of an optical long-focus anti-reflection film, aiming at the technical problem, the detection device comprises a light-tight shell, a switchable cover plate is arranged on the shell, a reflection detection device is arranged on the upper side in the shell, a screen changing device is arranged on the lower side in the shell, a clamping device is arranged between the reflection detection device and the screen changing device, the anti-reflection film is clamped on the clamping device, and a moving device is arranged between the clamping device and the reflection detection device.

The reflection detection device comprises two translation devices, and a light source and a detection head are respectively arranged on the two translation devices; the mobile device comprises a mobile component, a viewing frame is arranged on the mobile component, and the frame of the viewing frame is made of opaque materials; the screen changing device comprises a dragging component, and a light screen and a blackboard are arranged on the dragging component; the clamping device comprises a lower-layer slide rail II, a vertical slide rail I and a vertical slide rail IV are transversely arranged on the lower-layer slide rail II in a sliding manner, a lower roller II and a lower roller I are respectively arranged on the vertical slide rail I and the vertical slide rail IV in a rotating manner, the vertical slide rail I and the vertical slide rail IV are jointly vertically arranged with the same upper-layer slide rail II in a sliding manner, the upper-layer slide rail II is positioned on the upper side of the lower-layer slide rail II, an upper roller II and an upper roller I are arranged on the upper-layer slide rail II in a rotating and sliding manner, driving assemblies are arranged on the vertical slide rail I and the vertical slide rail IV and drive the vertical slide rail I and the vertical slide rail IV to move in the reverse direction, a lifting assembly is arranged on the upper-layer slide rail II to drive the upper-layer slide rail II to lift, a rack IV is fixedly arranged on the upper-layer slide rail II, a walking gear III is fixedly arranged on the upper roller II and is meshed with the rack IV, and a traveling gear IV is fixedly arranged on the upper roller I and is meshed with the rack IV, and the traveling gear III and the traveling gear IV are positioned on the upper side of the rack IV.

Further, a rack III is fixedly arranged on the lower-layer sliding rail II, a walking gear I is fixedly arranged on the lower roller I, the walking gear I is meshed with the rack III, a walking gear II is fixedly arranged on the lower roller II, the walking gear II is meshed with the rack III, and the walking gear II and the upper sliding block I are located on the lower side of the rack III.

Further, drive assembly includes motor III, and fixed two-way threaded rod I that is equipped with in motor III's the pivot, the both ends screw thread of two-way threaded rod I revolves to opposite, all set up the screw hole on vertical slide rail I and the vertical slide rail IV, two screw holes respectively with I cooperation of two-way threaded rod.

Furthermore, an upper sliding block III is vertically and slidably arranged in the vertical sliding rail I, the upper sliding block III is rotatably connected with the upper roller II, an upper sliding block IV is vertically and slidably arranged in the vertical sliding rail IV, and the upper sliding block IV is rotatably connected with the upper roller I.

Further, the removal subassembly includes rack II and oblique slide, and the oblique slide divide into two sections, first section level, and the slope of second section sets up, rack II sets up for the level, and the fixed short rack that is equipped with on rack II, short rack with the slope section inclination of oblique slide is the same, fix on the frame of finding a view and be equipped with the sliding shaft, the sliding shaft is in slide and rotate in the oblique slide, fix on the frame of finding a view and be equipped with motor II, fix in the pivot of motor II and be equipped with gear II, gear II meshes with short rack and rack II.

Further, the dragging assembly comprises a moving track, the middle part of the moving track is provided with a track protruding upwards, and the light screen and the blackboard are both installed in the moving track in a sliding mode through short shafts.

Further, pull the subassembly and still include motor IV, fixedly on the pivot of band pulley II be equipped with band pulley III, fixedly on the band pulley III be equipped with the first end that removes area III, remove the second end of taking III with optical screen fixed connection, the first end that removes area II is fixed to be equipped with on the optical screen, removes the second end and the blackboard fixed connection of taking II, and the first end that removes area I is fixed to be equipped with on the blackboard, removes the second end and the shell fixed connection of taking I.

Compared with the prior art, the invention has the beneficial effects that: (1) the clamping device is provided with the four rollers, and the four rollers can roll when clamping the light-resistant film, so that the light-resistant film is more flatly unfolded, and the detection accuracy can be improved; (2) according to the clamping device, the roller is driven to rotate by the power expanded by the roller, so that a driving part can be saved, the complexity of control is reduced, and the working process is simplified; (3) the viewing frame can sink and cling to the light-resistant film in the moving process, so that light is prevented from being reflected everywhere, a fixed detection area is determined, and the detection accuracy is improved; (4) the moving track in the screen replacing device is provided with the upward convex section, so that the light screen or the blackboard can be tightly attached to the light-resistant film from the lower side, the step of tightly attaching is saved, the tight contact is ensured, and the detection accuracy is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the structure of the housing of the present invention.

Fig. 3 is a schematic view of a screen changer according to the present invention.

Fig. 4 is an enlarged schematic view of C in fig. 3.

Fig. 5 is an enlarged schematic view of E in fig. 3.

Fig. 6 is a diagram showing a broken moving track according to the present invention.

FIG. 7 is a schematic view of a clamping device of the present invention.

FIG. 8 is another perspective view of the clamping device of the present invention.

Fig. 9 is an enlarged schematic view of a portion a in fig. 8.

Fig. 10 is an enlarged view of B in fig. 8.

Fig. 11 is an enlarged schematic view at G in fig. 7.

Fig. 12 is an enlarged schematic view at H in fig. 7.

Fig. 13 is a schematic view of a mobile device according to the present invention.

Fig. 14 is an enlarged view of D in fig. 13.

FIG. 15 is a schematic structural diagram of a reflection detecting apparatus according to the present invention.

Fig. 16 is an enlarged schematic view at F in fig. 15.

Reference numerals: 1-a reflection detection device; 2-a mobile device; 3-a clamping device; 4-screen changing device; 5-a housing; 101-a horizontal slide; 102-a rack I; 103-motor I; 104-gear I; 105-connecting plate I; 106-connecting plate II; 107-a detection head; 108-a light source; 201-rack II; 202-a pallet; 203-landing leg I; 204-long slide; 205-a view finder; 206-motor II; 207-gear II; 208-short rack; 209-inclined slide; 210-a sliding shaft; 211-leg ii; 301-cushion blocks; 302-motor iii; 303-pulley I; 304-a vertical slide rail I; 305-a bidirectional threaded rod I; 306-Belt I; 307-pulley II; 308-vertical sliding rail II; 309-bidirectional threaded rod II; 310-vertical slide rail III; 311-strut; 312-upper layer slide rail I; 313-cylinder I; 314-a walking gear i; 315-cylinder bracket i; 316-upper roller I; 317-lower roller I; 318-cylinder support II; 319-cylinder II; 320-upper layer sliding rail II; 321-a lower sliding rail II; 322-cylinder bracket iii; 323-cylinder III; 324-upper slide i; 325-upper roller II; 326-lower roller II; 327-running gear ii; 328-rack iii; 329-upper slide ii; 330-lower layer slide rail I; 331-lower slider ii; 332-a vertical slide rail IV; 333-lower slide III; 334-running gear iii; 335-upper slide iii; 336-upper sliding block IV; 337-a traveling gear IV; 338-rack IV; 339-lower slide IV; 340-cylinder IV; 341-cylinder support IV; 342-fast gliding I; 401-moving track; 402-a light screen; 403-blackboard; 404-moving belt I; 405-moving zone ii; 406-moving belt III; 407-motor IV; 408-pulley III; 501-a bottom plate; 502-boarding; 503-a top plate; 504-cover plate; 505-a handle.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The embodiment is as follows: the utility model provides a detection device of optical long focus anti-light film, including shell 5 that is used for the light-resistant, reflection detection device 1 is equipped with to upside in the shell 5, downside in the shell 5 is equipped with trades screen device 4, reflection detection device 1 and trade and be equipped with clamping device 3 between the screen device 4, the centre gripping has anti-light film on the clamping device 3, mobile device 2 is equipped with between clamping device 3 and the reflection detection device 1, wherein shell 5 includes bottom plate 501, the fixed bounding wall 502 that is equipped with on the bottom plate 501, the fixed roof 503 that is equipped with on the bounding wall 502, set up the opening in the middle of the roof 503, the opening part articulates there is apron 504, apron 504 slightly is greater than the opening on the roof 503, the fixed handle 505 that is equipped with in the position that the pin joint was kept away from to apron 504.

The screen changing device 4 comprises a dragging component, a light screen 402 and a blackboard 403, wherein the dragging component drags the light screen 402 and the blackboard 403 to move, in the embodiment, the dragging component comprises two moving rails 401, the two moving rails 401 are arranged in parallel and fixed on the moving rails 401, a rail in the middle of the moving rails 401 is provided with a convex part, the moving rails 401 are provided with the light screen 402 and the blackboard 403 in a sliding manner, short shafts are arranged on the light screen 402 and the blackboard 403 and rotate and slide in the moving rails 401, the convex part of the moving rails 401 is provided with a horizontal section, the length of the convex horizontal section is the same as that of the light screen 402 and the blackboard 403, a motor IV 407 is fixedly arranged on the moving rails 401, a rotating shaft of the motor IV 407 is fixedly provided with a belt wheel III 408, the belt wheel III 408 is rotatably arranged on the moving rails 401 through a small support, and a first end of a moving belt 406 is fixedly arranged on the belt wheel III 408, the second end of the moving belt III 406 is fixedly connected with the light screen 402, the first end of the moving belt II 405 is fixedly arranged on the light screen 402, the second end of the moving belt II 405 is fixedly connected with the blackboard 403, the first end of the moving belt I404 is fixedly arranged on the blackboard 403, the second end of the moving belt I404 is curled through the motor, and the light screen 402 or the blackboard 403 is conveyed to the convex part of the moving track 401 through the curling control of the two motors.

The clamping device 3 comprises a cushion block 301 and a supporting rod 311, the cushion block 301 is fixedly installed on a bottom plate 501, a motor III 302 is fixedly installed on the cushion block 301, a bidirectional threaded rod I305 is fixedly installed on a rotating shaft of the motor III 302, the bidirectional threaded rod I305 is rotatably installed on the supporting rod 311, the supporting rod 311 is fixedly installed on the bottom plate 501, a bidirectional threaded rod II 309 is further rotatably installed on the supporting rod 311, opposite-direction threads are arranged at two ends of the bidirectional threaded rod II 309 and the bidirectional threaded rod I305, a belt wheel II 307 is fixedly installed at one end of the bidirectional threaded rod II 309, a belt wheel I303 is fixedly installed at one end of the bidirectional threaded rod I305, and a belt I306 is installed between the belt wheel I303 and the belt wheel II 307; the bottom plate 501 is fixedly provided with an air cylinder bracket III 322 and an air cylinder bracket II 318, the air cylinder bracket III 322 and the air cylinder bracket II 318 are fixedly provided with a lower-layer slide rail II 321, the air cylinder bracket III 322 is fixedly provided with an air cylinder III 323, the air cylinder bracket II 318 is fixedly provided with an air cylinder II 319, the cylinder arms of the air cylinder II 319 and the air cylinder III 323 are fixedly provided with an upper-layer slide rail II 320, the upper-layer slide rail II 320 is positioned at the upper side of the lower-layer slide rail II 321, a lower slide block III 333 and a lower slide block IV 339 are transversely slidably provided in the lower-layer slide rail II 321, an upper slide block III 335 and an upper slide block IV 336 are transversely slidably provided on the upper-layer slide rail II 320, vertical slide rail I304 is vertically installed on the lower slide block III 333 and the upper slide block III 335 in a sliding mode, a threaded hole I is formed in the vertical slide rail I304, the threaded hole I is matched with the bidirectional threaded rod I305, a vertical slide rail IV 332 is installed on the upper slide block IV 336 and the lower slide block IV 339 in a sliding mode, and a threaded hole II is formed in the vertical slide rail IV 332. And the threaded hole II is matched with the bidirectional threaded rod I305.

An air cylinder support I315 and an air cylinder support IV 341 are fixedly installed on the bottom plate 501, a lower-layer slide rail I330 is fixedly installed on the air cylinder support I315 and the air cylinder support IV 341 together, an air cylinder I313 is fixedly installed on the air cylinder support I315, an air cylinder IV 340 is fixedly installed on the air cylinder support IV 341, an upper-layer slide rail I312 is fixedly installed on a cylinder arm of the air cylinder I313 and the air cylinder IV 340, the upper-layer slide rail I312 is higher than the lower-layer slide rail I330, a lower sliding block II 331 and a lower sliding block I342 are transversely installed in the lower-layer slide rail I330 in a sliding manner, an upper sliding block I324 and an upper sliding block II 329 are transversely installed in the upper-layer slide rail I312 in a sliding manner, a vertical slide rail III 310 is installed on the lower sliding block II 331 and the upper sliding block II 329 in a sliding manner, a threaded hole III is formed in the vertical slide rail III 310, the threaded hole III is matched with a bidirectional threaded rod II 309, a vertical slide rail II 308 is installed on the lower sliding block I342 and the upper sliding block I324, a threaded hole IV is formed in a sliding manner, the threaded hole IV is matched with the bidirectional threaded rod II 309.

An upper roller I316 is rotatably arranged between an upper sliding block IV 336 and an upper sliding block II 329, a lower roller I317 is rotatably arranged between a lower sliding block II 331 and a lower sliding block IV 339, an upper roller II 325 is rotatably arranged between an upper sliding block III 335 and an upper sliding block I324, a lower roller II 326 is rotatably arranged between a lower sliding block III 333 and a lower sliding block I342, a walking gear II 327 is fixedly arranged on the lower roller II 326, a walking gear I314 is fixedly arranged on the lower roller I317, a walking gear IV 337 is fixedly arranged on the upper roller I316, a walking gear III 334 is fixedly arranged on the upper roller II 325, a rack IV 338 is fixedly arranged on the upper sliding rail I312 or the upper sliding rail II 320, the rack IV 338 is meshed with the walking gear III 337 and the walking gear 334, the rack IV 338 is positioned at the lower side of the walking gear III 337, a rack III 328 is fixedly arranged on the lower sliding rail II 321 or the lower sliding rail I330, and the rack III is meshed with the walking gear I314 and the walking gear 327, the rack III 328 is located the upside of walking gear II 327 and walking gear I314, and the reverse translation of drive vertical slide rail I304 and vertical slide rail IV 332, vertical slide rail II 308 and vertical slide rail III 310 can all constitute drive assembly and replace, and lifting unit is four cylinders in this embodiment.

The mobile device 2 comprises a mobile component, a viewing frame 205 is slidably mounted on the mobile component, a square hole is formed in the middle of the viewing frame 205, and the frame is made of opaque materials and is painted like black; the movable assembly comprises a supporting plate 202, a supporting leg I203 and a supporting leg II 211 which are fixedly mounted on a bottom plate 501, a long slide way 204 is fixedly mounted on the supporting leg I203, an oblique slide way 209 is fixedly mounted on the supporting leg II 211, a rack II 201 is fixedly mounted on the supporting plate 202, the oblique slide way 209 is arranged in parallel with the long slide way 204, the oblique slide way 209 is divided into a horizontal section and an oblique section, the oblique section inclines downwards, a short rack 208 is fixedly mounted on the rack II 201, the oblique angle of the short rack 208 is the same as that of the oblique slide way 209, a slide shaft 210 is fixedly mounted on a viewing frame 205, the slide shaft 210 rotates and slides in the oblique slide way 209 and the long slide way 204, a motor II 206 is fixedly mounted on the viewing frame 205, a gear II 207 is fixedly mounted on a rotating shaft of the motor II 206, and the gear II 207 is respectively meshed with the short rack 208 and the rack II 201 when moving.

The reflection detection device 1 comprises two groups of translation devices, the two translation devices are identical in structure and are respectively provided with a detection head 107 and a light source 108, each translation device comprises a horizontal slide way 101 and a rack I102, the horizontal slide way 101 and the rack I102 are fixedly arranged on a top plate 503, a motor I103 is slidably arranged on the horizontal slide way 101, a gear I104 is fixedly arranged on a rotating shaft of the motor I103, the gear I104 is meshed with the rack I102, a connecting plate I105 is fixedly arranged on the motor I103, the detection head 107 or the light source 108 is arranged on the connecting plate I105, a connecting plate II 106 is fixedly arranged on the other group of translation devices, the detection head 107 or the light source 108 is arranged on the connecting plate II 106, in the embodiment, the detection head 107 is arranged on the connecting plate II 106, and the light source 108 is arranged on the connecting plate I105.

The working principle is as follows: in an initial state, two rollers on the lower side are close to each other, four cylinders extend out, an upper roller is far away from a lower roller, an anti-light film is placed on the two lower rollers, the four cylinders start to contract, the upper roller presses down, the two rollers clamp the anti-light film, a motor III 302 is started, the motor III 302 drives a bidirectional threaded rod I305 to rotate and simultaneously drives a belt wheel I303 to rotate, the belt wheel I303 drives a belt wheel II 307 to rotate through a belt I306, the belt wheel II 307 drives a bidirectional threaded rod II 309 to rotate, the bidirectional threaded rod I305 rotates to move a vertical sliding rail I304 and a vertical sliding rail IV 332 to two sides, the upper roller II 325 and a lower roller II 326 are simultaneously driven to be far away from the lower roller II 326 and a lower roller I317, meanwhile, gears on the rollers are meshed with racks, the four rollers rotate while moving, the inner sides rotate towards the middle direction, and the gear ratio of the gears and the racks is designed, the transverse moving speed of the roller is the same as the rotating linear speed of the roller, so that the light-resistant film can be completely unfolded without folds.

Then a motor II 206 is started, the motor II 206 drives a gear II 207 to rotate, the viewfinder frame 205 is moved through the cooperation with a rack II 201, the viewfinder frame 205 is moved to be right above the light-resistant film, the viewfinder frame 205 and the light-resistant film are tightly attached to each other through the inclined section of an inclined slide way 209, then the light transmittance or the reflectivity needs to be selected for detection, when the light transmittance is selected, a motor IV 407 is started, the motor IV 407 rotates to drive a belt pulley III 408 to rotate, the belt pulley III 408 winds a moving belt III 406, the moving belt III 406 pulls the light screen 402 and the blackboard 403 to move, the light screen 402 is positioned at a convex part, the convex part enables the light screen 402 and the light-resistant film to be tightly attached to each other, then a translation device carrying a detection head 107 is started, the motor I103 drives a gear I104 to rotate, the gear I104 is meshed with the rack I102 to enable the motor I103 to slide on the horizontal slide way 101, finally the detection head 107 is positioned above the light-resistant film, the detection head 107 is electrified and emits light, detection is performed by the detection head 107 through the light-resistant film; if the reflectivity needs to be detected, the blackboard 403 is closely attached to the light-resistant film, and the detection head 107 and the light source 108 move to the upper side of the light-resistant film simultaneously, so that one light is emitted for detection.

Claims

1. The utility model provides a detection device of optical long focus anti-light film, includes shell (5) that is used for keeping out of the sun, set up switch's apron (504) on shell (5), its characterized in that: a reflection detection device (1) is arranged on the upper side in the shell (5), a screen changing device (4) is arranged on the lower side in the shell (5), a clamping device (3) is arranged between the reflection detection device (1) and the screen changing device (4), a light-resisting film is clamped on the clamping device (3), and a moving device (2) is arranged between the clamping device (3) and the reflection detection device (1);

the reflection detection device (1) comprises two translation devices, and a light source (108) and a detection head (107) are respectively arranged on the two translation devices; the mobile device (2) comprises a mobile component, a viewing frame (205) is arranged on the mobile component, and the frame of the viewing frame (205) is made of opaque materials; the screen changing device (4) comprises a dragging component, and a light screen (402) and a blackboard (403) are arranged on the dragging component; the clamping device (3) comprises a lower-layer sliding rail II (321), a vertical sliding rail I (304) and a vertical sliding rail IV (332) are transversely installed on the lower-layer sliding rail II (321), a lower roller II (326) and a lower roller I (317) are respectively and rotatably installed on the vertical sliding rail I (304) and the vertical sliding rail IV (332), the vertical sliding rail I (304) and the vertical sliding rail IV (332) are vertically and jointly and slidably installed with an upper-layer sliding rail II (320), the upper-layer sliding rail II (320) is positioned on the upper side of the lower-layer sliding rail II (321), an upper roller II (325) and an upper roller I (316) are installed on the upper-layer sliding rail II (320), the upper roller II (325) and the upper roller I (316) rotate and slide in the upper-layer sliding rail II (320), driving assemblies are arranged on the vertical sliding rail I (304) and the vertical sliding rail IV (332), and drive the vertical sliding rail I (304) and the vertical sliding rail IV (332) to reversely move, a lifting assembly is arranged on the upper sliding rail II (320) to drive the upper sliding rail II (320) to lift, a rack IV (338) is fixedly arranged on the upper sliding rail II (320), a traveling gear III (334) is fixedly arranged on the upper roller II (325), the traveling gear III (334) is meshed with the rack IV (338), a traveling gear IV (337) is fixedly arranged on the upper roller I (316), the traveling gear IV (337) is meshed with the rack IV (338), and the traveling gear III (334) and the traveling gear IV (337) are positioned on the upper side of the rack IV (338);

the dragging assembly comprises a moving track (401), the middle part of the moving track (401) is provided with an upward convex track, the moving track (401) is provided with a light screen (402) and a blackboard (403) in a sliding manner, short shafts are arranged on the light screen (402) and the blackboard (403), the short shafts rotate and slide in the moving track (401), the convex part of the moving track (401) is provided with a horizontal section, the length of the convex horizontal section is the same as that of the light screen (402) and the blackboard (403), the moving track (401) is fixedly provided with a motor IV (407), a rotating shaft of the motor IV (407) is fixedly provided with a belt wheel III (408), the belt wheel III (408) is rotatably arranged on the moving track (401) through a small support, the first end of a moving belt III (406) is fixedly arranged on the belt wheel III (408), the second end of the moving belt III (406) is fixedly connected with the light screen (402), and the first end of a moving belt II (405) is fixedly arranged on the light screen (402), the second end of the moving belt II (405) is fixedly connected with the blackboard (403), the first end of the moving belt I (404) is fixedly arranged on the blackboard (403), the second end of the moving belt I (404) is curled through the motor, and the light screen (402) or the blackboard (403) is conveyed to the convex part of the moving track (401) through the curling control of the two motors.

2. The detecting device for an optically long focus light-resistant film according to claim 1, wherein: the lower sliding rail II (321) is fixedly provided with a rack III (328), the lower roller I (317) is fixedly provided with a walking gear I (314), the walking gear I (314) is meshed with the rack III (328), the lower roller II (326) is fixedly provided with a walking gear II (327), the walking gear II (327) is meshed with the rack III (328), and the walking gear II (327) and the upper sliding block I (324) are located on the lower side of the rack III (328).

3. The detecting device for an optically long focus light-resistant film according to claim 2, wherein: the driving assembly comprises a motor III (302), a bidirectional threaded rod I (305) is fixedly mounted on a rotating shaft of the motor III (302), threads at two ends of the bidirectional threaded rod I (305) are opposite in rotating direction, threaded holes are formed in a vertical sliding rail I (304) and a vertical sliding rail IV (332), and the two threaded holes are respectively matched with the bidirectional threaded rod I (305).

4. The detecting device for an optically long focus light-resistant film according to claim 3, wherein: an upper sliding block III (335) is vertically and slidably arranged in the vertical sliding rail I (304), the upper sliding block III (335) is rotatably connected with the upper roller II (325), an upper sliding block IV (336) is vertically and slidably arranged in the vertical sliding rail IV (332), and the upper sliding block IV (336) is rotatably connected with the upper roller I (316).

5. The detecting device for an optically long focus light-resistant film according to claim 4, wherein: remove the subassembly and include rack II (201) and oblique slide (209), oblique slide (209) divide into two sections, first section level, second section slope setting, rack II (201) are the level setting, and fixed being equipped with on rack II (201) short rack (208), short rack (208) with the slope section inclination of oblique slide (209) is the same, it is equipped with slide-shaft (210) to fix on frame (205) to find a view, and slide-shaft (210) are in slide and rotate in oblique slide (209), it is equipped with motor II (206) to fix on frame (205) to find a view, fixes being equipped with gear II (207) in the pivot of motor II (206), gear II (207) and short rack (208) and rack II (201) meshing.