Jig for sheet film detection

Abstract

The utility model discloses a jig for sheet film detection, which comprises a processing table, a movable jig, a translation mechanism and a positioning mechanism, the processing table is connected with a quadratic element detector, the processing table is provided with a groove, and the groove is provided with a through hole; the movable jig is connected into the groove in a sliding mode, and a plurality of mold grooves used for containing sheet films are formed in the movable jig; the translation mechanism is used for driving the moving jig to move along the groove, so that the plurality of mold grooves can be sequentially detected by the quadratic element detector on a moving track; the positioning mechanism comprises an infrared transmitter and a plurality of infrared receivers. The sheet film detection device has the advantages that the technical problems that in the prior art, a sheet film detection device cannot detect the length and width of a plurality of sheet films at a time, the detection efficiency is invisibly reduced, meanwhile, the mold positioning effect is poor, and the sheet films cannot be accurately moved to the position below a quadratic element detector are solved.

Description

Technical Field

[0001] This utility model relates to the field of sheet film movement technology, specifically to a fixture for sheet film testing. Background Technology

[0002] Sheet film is a type of mobile phone screen protector, also known as mobile phone beauty film or mobile phone protective film. It is a cold-laminated film used to cover the surface of mobile phone bodies, screens, and other tangible objects. There are many types, which can be divided into mobile phone screen protectors and mobile phone body protectors according to their uses. Their functions have evolved from the initial simple anti-scratch protective films to the introduction of functional protective film series, including: privacy films, mirror films, AR films, matte films, high-definition films, anti-scratch protective films, 3D films, mobile phone body anti-scratch protective films, diamond films, tempered glass films, etc. During the processing of mobile phone screen protectors, a two-dimensional measuring instrument is required to measure the size and pores of the sheet film.

[0003] Chinese utility model CN209279931U proposes "a high-precision workpiece inspection device". This device mainly solves the problem of inconvenience in cleaning existing inspection equipment. However, when actually measuring sheet film, this device can only measure one sheet film at a time, which results in low measurement efficiency. This makes it impossible to measure the length and width of multiple sheet films at once, which reduces the inspection efficiency. At the same time, the positioning effect of the mold is poor, and it is impossible to accurately move the sheet film under the two-dimensional measuring instrument. Utility Model Content

[0004] The purpose of this utility model is to overcome the above-mentioned technical deficiencies and provide a fixture for sheet film inspection, which solves the technical problem that the existing sheet film inspection device cannot inspect the length and width of multiple sheet films at one time, thus reducing the inspection efficiency. At the same time, the positioning effect of the mold is poor, and it is impossible to accurately move the sheet film under the two-dimensional inspection instrument.

[0005] To achieve the above-mentioned technical objectives, the present invention adopts the following technical solution:

[0006] In a first aspect, this utility model provides a fixture for testing sheet film, including a processing table, a two-dimensional detector connected to the processing table, a groove formed on the processing table, and a through hole formed on the groove;

[0007] A movable fixture is slidably connected to the groove, and the movable fixture has multiple mold slots for placing sheet film.

[0008] A translation mechanism is used to drive a moving fixture to move along the groove so that multiple mold slots can be sequentially detected by a two-dimensional measuring instrument on the moving trajectory.

[0009] A positioning mechanism includes an infrared emitter connected to the lower end of the secondary dimension detector and a plurality of infrared receivers disposed on the mobile jig and located above the plurality of mold grooves.

[0010] In some embodiments, the translation mechanism includes a support plate, an extension plate, and a drive end; the support plate is disposed inside the machining table, the support plate has a tooth groove formed thereon to form a moving track; one end of the extension plate is connected to the mobile jig, the other end penetrates through the through hole and extends into the machining table; the drive end is disposed on the extension plate, the drive end is connected with a shaft body, the end of the shaft body is connected with a drive gear, the drive gear is connected to the tooth groove and moves horizontally on the moving track; the mold groove includes a first groove, a second groove, and a third groove; the first groove, the second groove, and the third groove are equidistantly disposed on the mobile jig.

[0011] In some embodiments, the infrared receiver includes a first receiver, a second receiver, and a third receiver; the first receiver, the second receiver, and the third receiver are equidistantly arranged on the mobile jig and correspond to the first groove, the second groove, and the third groove respectively.

[0012] In some embodiments, the infrared emitter and the infrared receiver are model AB I 10-754, one side of the extension plate and away from the drive end is further provided with a single-chip microcomputer, the single-chip microcomputer is model AT89C51, the infrared emitter is electrically connected with the infrared receiver, the infrared receiver is electrically connected with the single-chip microcomputer, and the single-chip microcomputer is electrically connected with the drive end.

[0013] In some embodiments, the support plate includes a first plate body and a second plate body; the first plate body and the second plate body are symmetrically disposed in the inner cavity of the machining table, and the tooth groove is disposed on the first plate body and the second plate body, and the drive gear is connected to the tooth groove.

[0014] In some embodiments, the first plate body and the second plate body have an L-shaped cross section.

[0015] In some embodiments, the drive end includes a motor, a first gear, and a second gear; the motor is installed on the extension plate, the output end of the motor is connected with the first gear, the upper end of the first gear is engaged with the second gear, the shaft body is fixed on the second gear, and the drive gear is connected to both ends of the shaft body.

[0016] In some embodiments, the extension plate is further provided with a convex plate at both ends, and the convex plate is used to cooperate with the buffer ends on both sides of the inner wall of the machining table.

[0017] In some embodiments, the buffer end comprises a plurality of spring columns and a limiting plate; the two sides of the machining table in the axial direction are connected with a plurality of spring columns, and the ends of the spring columns are connected with the limiting plate.

[0018] In some embodiments, the lower end of the two-dimensional detector is provided with a detection probe.

[0019] Compared with the prior art, the jig for sheet film detection provided by the utility model has the beneficial effects that a plurality of sheet films can be detected at one time, and the infrared emitter and the infrared receiver are matched to realize fast positioning during the detection process, thereby effectively improving the moving efficiency of the translation mechanism.

[0020] One, the utility model provides beneficial effects that: a plurality of sheet films can be detected at one time, and the infrared emitter and the infrared receiver are matched to realize fast positioning during the detection process, thereby effectively improving the moving efficiency of the translation mechanism.

[0021] Two, the utility model provides beneficial effects: the sheet film to be detected is placed in the mold groove, the driving end is started, the driving end and the shaft body are matched, wherein the support plate is symmetrically arranged in the machining table inner cavity, a moving area is formed between the two support plates, and the driving gear is installed on the two sides of the shaft body, the driving gear is used for moving on the tooth groove on the support plate, since the driving end is connected on the extension plate, the upper end of the extension plate is connected on the moving jig through the through hole, therefore, when the driving end operates, the moving jig can move horizontally in the groove on the machining table. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is the expansion schematic view of the jig for sheet film detection provided by the utility model embodiment;

[0023] Figure 2 is the internal schematic view of the machining table of the jig for sheet film detection provided by the utility model embodiment;

[0024] Figure 3 is the structure schematic view of the translation mechanism of the jig for sheet film detection provided by the utility model embodiment;

[0025] Figure 4 is the structure schematic view of the jig for sheet film detection provided by the utility model embodiment; Figure 2 is the left side schematic view.

[0026] Figure 5 is the structure schematic view of the moving jig in one embodiment of the jig for sheet film detection provided by the utility model embodiment.

[0027] Explanation of reference signs: 1, processing table; 11, groove; 12, through hole; 2, two-dimensional detector; 3, moving jig; 31, mold groove; 311, first groove body; 312, second groove body; 313, third groove body; 4, translation mechanism; 41, support plate; 411, first plate body; 412, second plate body; 413, gear slot; 42, extension plate; 421, convex plate; 43, driving end; 431, motor; 432, first gear; 433, second gear; 44, shaft body; 45, driving gear; 46, buffer end; 461, spring column; 462, limiting plate; 5, positioning mechanism; 51, infrared emitter; 52, infrared receiver; 521, first receiver; 522, second receiver; 523, third receiver. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0029] In order to solve the technical problems in the prior art that the sheet film detection device cannot detect the length and width of multiple sheet films at one time, which reduces the detection efficiency, and the positioning effect of the mold is poor, and the sheet film cannot be accurately moved to the lower side of the two-dimensional detector, the utility model provides a jig for sheet film detection, which can detect multiple sheet films, and through the translation mechanism, the sheet film can be moved and accurately positioned under the two-dimensional detector during the detection process.

[0030] It should be noted that the jig for sheet film detection is used in but not limited to the field of sheet film and the like. In order to facilitate the description, in the utility model, only the jig for sheet film detection is applied to the field of sheet film as an example for description, and the principle of the jig for sheet film detection applied to other types of equipment is substantially the same as that applied to the field of sheet film, which will not be described here.

[0031] Please refer to Figure 1 , Figure 1The utility model discloses a structure schematic drawing of sheet film detection jig in one embodiment, sheet film detection jig, including processing table 1, mobile jig 3, translation mechanism 4 and positioning mechanism 5, be connected with two dimensional detector 2 on processing table 1, be provided with recess 11 on processing table 1, be provided with through -hole 12 on recess 11, mobile jig 3 is connected in recess 11 in sliding, and be provided with a plurality of mould grooves 31 on mobile jig 3, translation mechanism 4 includes support plate 41, extension plate 42 and drive end 43, support plate 41 is arranged in the inside of processing table 1, be provided with gear slot 413 on support plate 41, form a moving track, one end of extension plate 42 is connected on mobile jig 3, and the other end penetrates through through -hole 12 and extends to the inside of processing table 1, drive end 43 is set up on extension plate 42, be connected with shaft body 44 on drive end 43, the end of shaft body 44 is connected with drive gear 45, drive gear 45 is connected in gear slot 413, and moves horizontally on moving track, positioning mechanism 5 includes infrared emitter 51 and a plurality of infrared receivers 52, infrared emitter 51 is connected in two dimensional detector 2 lower end, a plurality of infrared receivers 52 are arranged on mobile jig 3, and are located above a plurality of mould grooves 31.

[0032] In the embodiment, the sheet film to be detected is placed in the mold groove 31, the drive end 43 is started, and the drive gear 45 is driven to move on the gear slot 413 of the support plate 41 through the cooperation of the drive end 43 and the shaft body 44. Since the drive end 43 is connected to the extension plate 42, and the upper end of the extension plate 42 is connected to the mobile jig 3 through the through-hole 12, when the drive end 43 operates, the mobile jig 3 can be driven to move horizontally in the recess 11 of the processing table 1. By setting the infrared emitter 51 on the two-dimensional detector 2 and the infrared receivers 52 above the mold groove 31 of the mobile jig 3, when the infrared receivers 52 receive the emitted light of the infrared emitter 51, the drive end 43 stops running. At this time, the mold groove 31 is located directly below the two-dimensional detector 2, and the sheet film in the mold groove 31 is measured by the two-dimensional detector 2.

[0033] In one of the embodiments, please refer to Figure 2To improve the inspection efficiency of sheet films, the mold groove 31 includes a first groove 311, a second groove 312, and a third groove 313; the first groove 311, the second groove 312, and the third groove 313 are equidistantly arranged on the movable fixture 3. The infrared receiver 52 includes a first receiver 521, a second receiver 522, and a third receiver 523; the first receiver 521, the second receiver 522, and the third receiver 523 are equidistantly arranged on the movable fixture 3 and correspond one-to-one with the first groove 311, the second groove 312, and the third groove 313, respectively. The infrared transmitter 51 and the infrared receiver 52 are of model AB. The I10-754 microcontroller is also provided on the side of the extension board 42 facing away from the drive end 43. The microcontroller is model AT89C51. The infrared transmitter 51 is electrically connected to the infrared receiver 52, the infrared receiver 52 is electrically connected to the microcontroller, and the microcontroller is electrically connected to the drive end 43. A detection probe is provided at the lower end of the two-dimensional detector 2.

[0034] In this embodiment, the number of mold slots 31 is at least three, namely a first slot 311, a second slot 312, and a third slot 313. The number of infrared receivers 52 corresponds one-to-one with the number of mold slots 31, namely a first receiver 521, a second receiver 522, and a third receiver 523. The first receiver 521, the second receiver 522, and the third receiver 523 are disposed above the first slot 311, the second slot 312, and the third slot 313. When the driving end 43 drives the extension plate 42 to move, it synchronously drives the moving fixture 3 to move horizontally within the groove 11. When the 11 moves below the two-dimensional measuring instrument 2, the infrared light emitted by the infrared emitter 51 is received by the first receiver 521, and the data is transmitted to the microcontroller. The microcontroller controls the drive terminal 43 to stop running, which facilitates the two-dimensional measuring instrument 2 to measure the length and width of the sheet film inside the first tank 311. After the sheet film in the first tank 311 is inspected, the drive terminal 43 restarts, driving the moving fixture 3 to continue moving. When the second receiver 522 receives the infrared light, the microcontroller controls the drive terminal 43 to stop running again, and the two-dimensional measuring instrument 2 inspects the sheet film inside the second tank 312.

[0035] In one embodiment, please refer to Figure 1 - Figure 3In order to improve the working efficiency of the translation mechanism 4, the supporting plate 41 comprises a first plate body 411 and a second plate body 412; the first plate body 411 and the second plate body 412 are symmetrically arranged in the inner cavity of the machining table 1, and the first plate body 411 and the second plate body 412 are both provided with a gear groove 413, the gear groove 413 is connected with a driving gear 45, the cross section of the first plate body 411 and the second plate body 412 is L-shaped, and the driving end 43 comprises a motor 431, a first gear 432 and a second gear 433; the motor 431 is installed on the extension plate 42, the output end of the motor 431 is connected with the first gear 432, the upper end of the first gear 432 is engaged with the second gear 433, the second gear 433 is fixedly provided with a shaft body 44, and the two ends of the shaft body 44 are both connected with the driving gear 45.

[0036] In the embodiment, two L-shaped first plate bodies 411 and second plate bodies 412 are arranged at the top of the machining table 1, gear grooves 413 are arranged on the first plate bodies 411 and the second plate bodies 412, the lower end of the moving jig 3 is connected with the extension plate 42, the motor 431 is installed on the extension plate 42, the motor 431 drives the first gear 432 to rotate, the first gear 432 cooperates with the second gear 433, drives the shaft body 44 to rotate, the shaft body 44 drives the driving gears 45 at the two ends to move in the gear grooves 413, and one end of the shaft body 44 penetrates through the extension plate 42, so that the extension plate 42 can push the whole moving jig 3 to move horizontally in the groove 11, and the first groove body 311, the second groove body 312 and the second groove body 312 can be moved to the lower side of the detection probe for detection.

[0037] In one of the embodiments, please refer to Figure 1 In order to avoid that the extension plate 42 collides with the inner wall of the machining table 1, the two ends of the extension plate 42 are further provided with convex plates 421, the convex plates 421 are used for cooperating with buffer ends 46 on the two sides of the inner wall of the machining table 1, the buffer end 46 comprises a plurality of spring columns 461 and a limiting plate 462; the two sides of the machining table 1 in the axial direction are both connected with the plurality of spring columns 461, and the tail ends of the spring columns 461 are connected with the limiting plate 462.

[0038] In the embodiment, the convex plates 421 are arranged on the two sides of the extension plate 42, when the extension plate 42 approaches the inner wall of the machining table 1, the limiting plate 462 is extruded by the convex plate 421, the spring column 461 is extruded by the limiting plate 462, the spring column 461 is deformed, and thus the buffer efficiency of the equipment is improved, and the extension plate 42 is prevented from colliding with the inner wall of the machining table 1.

[0039] In order to better understand the utility model, the following will be combined with Figures 1 to 4The technical scheme of the utility model is explained in detail: the staff places sheet films of different models in the first groove body 311, the second groove body 312 and the third groove body 313, and starts the motor 431, drives the first gear 432 to rotate through the motor 431, cooperates the first gear 432 and the second gear 433, thereby making the shaft body 44 drive the driving gear 45 at both ends to move in the tooth groove 413 of the first plate body 411 and the second plate body 412, drives the whole moving fixture 3 to move horizontally in the groove 11 through the extension plate 42, the number of infrared receivers 52 corresponds to the number of mold grooves 31 one by one, which are respectively the first receiver 521, the second receiver 522 and the third receiver 523; and the first receiver 521, the second receiver 522 and the third receiver 523 are arranged above the first groove body 311, the second groove body 312 and the third groove body 313, when the first groove body 311 moves below the two-dimensional detector 2, the infrared light emitted by the infrared emitter 51 is received by the first receiver 521, and the data is transmitted to the single-chip microcomputer, the driving end 43 is controlled to stop running by the single-chip microcomputer, at this time, the two-dimensional detector 2 is convenient for measuring the length and width of the sheet film in the first groove body 311, after detecting the sheet film in the first groove body 311, the driving end 43 is re-run, drives the moving fixture 3 to continue moving, when the second receiver 522 receives the infrared light, the single-chip microcomputer controls the driving end 43 to stop running again, and detects the sheet film in the second groove body 312 through the two-dimensional detector 2, the device is simple to operate, can measure multiple sheet films at the same time, and can accurately position the sheet film during movement, thereby improving the detection efficiency, the working principle of the two-dimensional detector 2 is based on optical distance sensing technology, a complete measurement system is formed by using a camera, a light source and an image processing system; after the object to be measured is placed on the measurement platform of the instrument, the light source irradiates light onto the object to be measured, and the light is reflected back to the sensor in the camera, forming a two-dimensional image; through processing and analysis of the image, the length, width, diameter, angle and other geometric parameters of the object can be measured; in addition, the two-dimensional detector 2 also performs high-magnification imaging on the object to be measured through an optical lens, after the magnified object image is sent into the computer through the CCD camera system, the profile and surface shape size, angle and position of various complex workpieces can be efficiently detected, especially the micro-detection and quality control of precision parts; the measurement data can be directly input into AUTOCAD to become a complete engineering drawing, or DXF documents can be generated, since the two-dimensional detector 2 is a conventional device in the field and is not the technical feature to be protected in the application, it is not repeated here.

[0040] The specific implementation of the utility model above does not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A jig for sheet film detection, comprising a processing table, a two-dimensional detector connected to the processing table, characterized in that: The processing table is provided with a groove, and a through hole is formed in the groove; A moving jig is slidably connected in the groove, and a plurality of mold grooves for placing sheet films are formed in the moving jig; A translation mechanism is used to drive the moving jig to move along the groove, so that the plurality of mold grooves can be sequentially detected by the two-dimensional detector in sequence; A positioning mechanism includes an infrared emitter and a plurality of infrared receivers, the infrared emitter is connected to the lower end of the two-dimensional detector, and the plurality of infrared receivers are arranged on the moving jig and above the plurality of mold grooves.

2. The sheet film detecting jig according to claim 1, wherein: The translation mechanism includes a support plate, an extension plate and a drive end; the support plate is arranged inside the processing table, the support plate is provided with a gear slot to form a moving track; one end of the extension plate is connected to the moving jig, the other end penetrates through the through hole and extends into the processing table; the drive end is arranged on the extension plate, the drive end is connected with a shaft body, the end of the shaft body is connected with a drive gear, the drive gear is connected with the gear slot and moves horizontally on the moving track; the mold groove includes a first groove body, a second groove body and a third groove body; the first groove body, the second groove body and the third groove body are equidistantly arranged on the moving jig.

3. The sheet film detecting jig according to claim 2, wherein: The infrared receiver includes a first receiver, a second receiver and a third receiver; the first receiver, the second receiver and the third receiver are equidistantly arranged on the moving jig and correspond to the first groove body, the second groove body and the third groove body respectively.

4. The sheet film detecting jig according to claim 3, wherein: The model of the infrared emitter and the infrared receiver is ABI10-754, one side of the extension plate and away from the drive end is also provided with a single-chip microcomputer, the model of the single-chip microcomputer is AT89C51, the infrared emitter is electrically connected with the infrared receiver, the infrared receiver is electrically connected with the single-chip microcomputer, and the single-chip microcomputer is electrically connected with the drive end.

5. The sheet film detecting jig according to claim 2, wherein: The support plate includes a first plate body and a second plate body; the first plate body and the second plate body are symmetrically arranged in the inner cavity of the processing table, and the gear slot is formed on the first plate body and the second plate body, and the drive gear is connected to the gear slot.

6. The sheet film detecting jig according to claim 5, wherein: The cross section of the first plate body and the second plate body is L-shaped.

7. The sheet film detecting jig according to claim 5, wherein: The drive end includes a motor, a first gear and a second gear; the motor is installed on the extension plate, the output end of the motor is connected with the first gear, the upper end of the first gear is engaged with the second gear, the shaft body is fixed on the second gear, and the drive gears are connected to both ends of the shaft body.

8. The sheet film detecting jig according to claim 7, wherein: Both ends of the extension plate are also provided with a convex plate, which is used to cooperate with the buffer end on both sides of the inner wall of the processing table.

9. The sheet film detecting jig according to claim 8, wherein: The buffer end includes a plurality of spring columns and a limiting plate; a plurality of spring columns are connected to both sides of the processing table in the axial direction, and the limiting plate is connected to the end of the spring column.

10. The sheet film detecting jig according to claim 1, wherein: A detection probe is arranged at the lower end of the two-dimensional detector.

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