Packaging box outer transparent film detection device

By combining laser sensors and reflectors, the accuracy and cost issues of transparent film detection have been resolved, achieving low-cost, high-precision transparent film detection suitable for automated production lines.

CN223756915UActive Publication Date: 2026-01-02BOZHON PRECISION IND TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520400056.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-01-02
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

Existing transparent film detection devices suffer from problems such as inaccurate detection, high cost, and low reproducibility. In particular, traditional through-beam optical fibers and sensors are difficult to detect transparent films, and manual adjustment results in large errors.

Method used

A combination of laser sensor and reflector is used. The laser sensor emits and receives light, and the reflector reflects the light. The presence of the transparent film is determined based on the light intensity. The detection height is adjusted by a manual slide.

Benefits of technology

It achieves low-cost, high-precision transparent film detection with good reproducibility and is easy to maintain and debug.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223756915U_ABST
    Figure CN223756915U_ABST
Patent Text Reader

Abstract

The utility model relates to a device for detecting a transparent film outside a packaging box, which comprises a laser sensor provided with a transmitting end and a receiving end, the transmitting end of the laser sensor is used for transmitting light, and the receiving end of the laser sensor is used for receiving reflected light; the reflecting surface of the reflecting plate is opposite to the emitting end of the laser sensor, and the reflecting surface of the reflecting plate is used for reflecting light emitted by the emitting end of the laser sensor; and when the to-be-detected workpiece passes through the space between the laser sensor and the reflecting surface of the reflecting plate, whether a transparent film exists on the surface of the to-be-detected workpiece or not is judged according to the light intensity received by the receiving end of the laser sensor. According to the device for detecting the transparent film outside the packaging box, when the outer film of the packaging box is not torn and flows between the laser sensor and the reflecting plate through the conveying line, the state or the existence of the transparent film on the surface of the packaging box is detected, the cost is low, the precision is relatively high, and the reproducibility is high.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to detection technical field especially is a kind of packaging box outer transparent film detection device. BACKGROUND

[0002] As a kind of better practicality product, transparent film is applied to industry, electronic equipment and each aspect.In the outer packaging of many products, transparent film is needed, and transparent film is coated on the outer surface of product packaging box.Before the production process of a kind of packaging box, the transparent film outside packaging box needs to be torn off, because once transparent film is found to be raised and flowed into subsequent work station, it will affect packaging box information printing or scratch nozzle, in order to ensure the stable production of subsequent packaging box, packaging box must be detected before subsequent production, and only the transparent film that passes detection can be put into subsequent production.

[0003] However, the transparent film detection device in the prior art has the following problems:

[0004] 1, traditional opposite emission fiber and sensor cannot detect transparent film;

[0005] 2, camera, lens and light source are used for detection, and AI learning is needed, which is costly;

[0006] 3, manual adjustment of sensor height through slot hole has large error and low reproducibility. INVENTION CONTENTS

[0007] Therefore, the technical problem to be solved by the utility model is to overcome the problem that current technical means cannot realize accurate detection when detecting transparent film in the prior art.

[0008] To solve the above technical problems, the utility model provides a kind of packaging box outer transparent film detection device, including: laser sensor, its upper is equipped with emission end and receiving end, the emission end of laser sensor is used to emit light, and the receiving end of laser sensor is used to receive reflected light;Reflective surface of reflector is opposite to the emission end of laser sensor, and the reflective surface of reflector is used to reflect the light emitted by the emission end of laser sensor;Wherein, when passing through the workpiece to be detected between the laser sensor and the reflective surface of reflector, whether transparent film exists on the surface of the workpiece to be detected is judged according to the light intensity received by the receiving end of laser sensor.The packaging box outer transparent film detection device of the utility model detects the state or presence or absence of transparent film on the surface of packaging box when packaging box outer film is not torn, passes through between laser sensor and reflector by conveying line, not only cost is lower, precision is relatively higher and reproducibility is high.

[0009] In an embodiment of the utility model, the detection device further includes a sliding table, the laser sensor is installed on the sliding table, and the sliding table is used for adjusting the position of the laser sensor and the light board. The laser sensor Z axis is adjusted to a specified detection height by the manual sliding table, and the light board is matched to detect the transparent film.

[0010] In an embodiment of the utility model, the sliding table is E-EIC01-40.

[0011] In an embodiment of the utility model, the detection device further includes a lower base plate, a support frame, a conveying line and a jig, the support frame is fixedly arranged on the lower base plate, the conveying line is installed on the support frame, the jig is provided with a workpiece to be detected, the jig is located between the laser sensor and the light board, the jig is connected with the conveying line, and the conveying line is used to convey the jig to realize that the workpiece to be detected passes between the laser sensor and the light board.

[0012] In an embodiment of the utility model, the lower base plate is provided with a support seat one and a support seat two, the support seat one and the support seat two are separately arranged on the two sides of the conveying line, the sliding table is installed on the support seat one, and the light board is installed on the support seat two.

[0013] In an embodiment of the utility model, the conveying line includes a driving motor, a driving wheel, a conveying belt and a plurality of driven wheels, the driving motor, the driving wheel and the plurality of driven wheels are all installed on the support frame, the output end of the driving motor is connected with the driving wheel, the driving wheel and the plurality of driven wheels are driven through the conveying belt, and the jig is connected with the conveying belt.

[0014] In an embodiment of the utility model, the jig includes a jig base plate and a plurality of positioning blocks, the jig base plate is in contact with the conveying belt, the plurality of positioning blocks are fixedly arranged on the jig base plate, the workpiece to be detected is arranged on the jig base plate, and the workpiece to be detected is positioned through the plurality of positioning blocks.

[0015] In an embodiment of the utility model, one end of the support frame is provided with a material blocking assembly, and the material blocking assembly is used to block the jig.

[0016] In an embodiment of the utility model, the material blocking assembly includes a material blocking driving cylinder, a connecting plate, a sliding plate, a limiting rod, a linear guide rail and a sliding block, the material blocking driving cylinder and the linear guide rail are all installed on the support frame, the output end of the material blocking driving cylinder is connected with the connecting plate and the sliding plate, one end of the limiting rod is installed on the sliding plate, the material blocking driving cylinder drives the limiting rod to block the jig, the sliding plate is connected with the sliding block, the sliding block is arranged on the linear guide rail, and the sliding block can slide along the linear guide rail.

[0017] In an embodiment of the utility model, the model of laser sensor is E3NC_LH03.

[0018] The above technical scheme of the utility model has the following beneficial effects compared with the prior art:

[0019] 1. Laser sensor and reflector replace camera and lens, with the advantage of lower cost;

[0020] 2. Manual slide table is used to adjust the detection height of sensor, with high precision and good reproducibility, facilitating adjustment;

[0021] 3. The combination of laser sensor and reflector is convenient for maintenance in terms of camera and lens parameter adjustment and setting. DRAWINGS

[0022] In order to make the content of the utility model more easily understood, the utility model is further described in detail below according to the specific embodiments of the utility model and in combination with the drawings, wherein

[0023] Figure 1 Structure diagram of packaging box outer transparent film detection device in preferred embodiment of the utility model Figure One ;

[0024] Figure 2 Structure diagram of packaging box outer transparent film detection device in preferred embodiment of the utility model Figure Two ;

[0025] Figure 3 Structure diagram of conveying line in preferred embodiment of the utility model

[0026] Figure 4 Structure diagram of jig in preferred embodiment of the utility model

[0027] Figure 5 Structure diagram of material blocking assembly in preferred embodiment of the utility model.

[0028] Description of drawing signs of the specification: laser sensor 1, reflector 2, slide table 3, lower bottom plate 4, support seat one 41, support seat two 42, support frame body 5, conveying line 6, driving motor 61, driving wheel 62, conveying belt 63, driven wheel 64, jig 7, jig bottom plate 71, positioning block 72, material blocking assembly 8, material blocking driving cylinder 81, connecting plate 82, sliding plate 83, limiting rod 84, linear guide rail 85, sliding block 86, workpiece to be detected 100. DETAILED DESCRIPTION

[0029] The utility model will be further described below in combination with the drawings and specific embodiments, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model. Embodiment

[0030] Refer to Figure 1 , 2 The utility model discloses a packing box outer transparent film detection device, include: laser sensor 1 and reflector 2 two parts, laser sensor 1, be equipped with the transmitting end and receiving end on it, the transmitting end of laser sensor 1 is used to emit light, and the receiving end of laser sensor 1 is used to receive reflected light, reflector 2, the reflection surface of its is opposite to the transmitting end of laser sensor 1 and is set up, and the reflection surface of reflector 2 is used to reflect the light of transmitting end of laser sensor 1 emission, wherein, when passing through the workpiece to be detected between laser sensor 1 and the reflection surface of reflector 2, according to the light intensity of the receiving end of laser sensor 1 reception judges whether the transparent film exists on the surface of workpiece to be detected, laser sensor 1 is the sensor that utilizes laser technology to measure, and it is composed of laser, laser detector and measuring circuit.

[0031] The principle that above-mentioned laser sensor 1 and reflector 2 detect transparent film is: when laser sensor 1 works, workpiece to be detected 100 is placed between laser sensor 1 and reflector 2, first by laser emitting diode aiming at target emits laser pulse, after target, namely reflector 2 reflection, laser returns to laser sensor 1 receiver, by the strength of the signal received by laser sensor 1 receiver, whether transparent film exists between laser sensor 1 and reflector 2 is judged.

[0032] Preferably, the model of laser sensor 1 is E3NC_LH03.The model of slide platform 3 is E-EIC01-40. Embodiment

[0033] The packaging box outer transparent film detection device based on the structure of the first embodiment comprises a laser sensor 1, a reflector 2, a sliding table 3, a lower bottom plate 4, a support frame body 5, a conveying line 6 and a jig 7, is suitable for an automatic production workshop, and detects the transparent film on the workpiece 100 to be detected in the automatic conveying process of the conveying line 6. The laser sensor 1 is installed on the sliding table 3, the sliding table 3 is used for adjusting the position of the laser sensor 1 and the reflector 2 (which is suitable for different workpieces 100 to be detected by adjusting the sliding table 3), the support frame body 5 is fixedly arranged on the lower bottom plate 4, the conveying line 6 is installed on the support frame body 5, the jig 7 is provided with the workpiece to be detected, the jig 7 is located between the laser sensor 1 and the reflector 2, the jig 7 is connected with the conveying line 6, and the conveying line 6 is used for conveying the jig 7 to realize that the workpiece to be detected passes between the laser sensor 1 and the reflector 2. This second embodiment is specifically applied to an automatic production line. When the workpiece 100 (which can be a packaging box in particular) to be detected flows between front and rear stations along with the conveying line 6, the conveying line 6 carries the jig 7 to pass between the laser sensor 1 and the reflector 2, and the laser sensor 1 tests whether there is still transparent film on the outer surface of the workpiece 100 to be detected.

[0034] When applied to a specific production line, support seats one 41 and two 42 are arranged on the lower bottom plate 4, the support seats one 41 and two 42 are arranged on the two sides of the conveying line 6, the sliding table 3 is installed on the support seat one 41, and the reflector 2 is installed on the support seat two 42. The laser sensor 1 and the reflector 2 are respectively installed on the support seat one 41 and the support seat two 42, so that the signal between the laser sensor 1 and the reflector 2 tests the workpiece 100 to be detected conveyed on the conveying line 6.

[0035] In the above structure, the conveying line 6 comprises a driving motor 61, a driving wheel 62, a conveying belt 63 and a plurality of driven wheels 64, the driving motor 61, the driving wheel 62 and the plurality of driven wheels 64 are all installed on the support frame body 5, the output end of the driving motor 61 is connected with the driving wheel 62, the driving wheel 62 and the plurality of driven wheels 64 are driven through the conveying belt 63, and the jig 7 is connected with the conveying belt 63. The jig 7 has a certain friction with the conveying belt 63, and the jig 7 is driven to slide along the support frame body 5 through the conveying belt 63.

[0036] For the specific embodiment of the rectangular packaging box, the jig 7 comprises a jig bottom plate 71 and a plurality of positioning blocks 72, the jig bottom plate 71 is in contact with the conveying belt 63, the plurality of positioning blocks 72 are fixedly arranged on the jig bottom plate 71, the workpiece to be detected is arranged on the jig bottom plate 71, and the workpiece to be detected is positioned by the plurality of positioning blocks 72. The number of the plurality of positioning blocks 72 is four, and the four positioning blocks 72 are respectively arranged at four corner positions of the rectangle. The position of the workpiece to be detected 100 is just limited by the four positioning blocks 72 to avoid falling.

[0037] In the above structure, one end of the support frame body 5 is provided with a material blocking assembly 8 for blocking the jig 7. The material blocking assembly 8 is located at the end of the conveying line 6 in the conveying direction to stop the jig 7. Preferably, the material blocking assembly 8 is provided in two groups and located on both sides of the jig 7. Specifically, the material blocking assembly 8 comprises a material blocking driving cylinder 81, a connecting plate 82, a sliding plate 83, a limiting rod 84, a linear guide rail 85 and a sliding block 86. The material blocking driving cylinder 81 and the linear guide rail 85 are both mounted on the support frame body 5. The output end of the material blocking driving cylinder 81 is connected through the connecting plate 82 and the sliding plate 83. One end of the limiting rod 84 is mounted on the sliding plate 83, and the material blocking driving cylinder 81 drives the limiting rod 84 to block the jig 7. The sliding plate 83 is connected with the sliding block 86, the sliding block 86 is arranged on the linear guide rail 85, and the sliding block 86 can slide along the linear guide rail 85. When the jig is normally conveyed, the piston rod of the material blocking driving cylinder 81 is retracted, so that the limiting rod 84 avoids the jig 7. When working, the piston rod of the material blocking driving cylinder 81 is extended to drive the limiting rod 84 to extend to the conveying range of the conveying line 6. In this way, when the jig 7 moves to the position of the limiting rod 84, it will be blocked by the limiting rod 84.

[0038] Obviously, the above embodiments are only examples for clearly illustrating, and are not limitation to the embodiments. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments are not required to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A device for detecting the outer transparent film of a packaging box, characterized in that, The detection device comprises a laser sensor, a reflecting plate and a workpiece. The laser sensor comprises a transmitting end and a receiving end. The transmitting end of the laser sensor is used for transmitting light. The receiving end of the laser sensor is used for receiving reflected light.

2. The package outer transparent film inspection apparatus according to claim 1, characterized by: The reflecting plate is arranged opposite to the transmitting end of the laser sensor.

3. The apparatus of claim 2, wherein: The reflecting plate is used for reflecting the light transmitted by the transmitting end of the laser sensor.

4. The apparatus of claim 2, wherein: When the workpiece passes between the laser sensor and the reflecting plate, the intensity of the light received by the receiving end of the laser sensor is used to determine whether the surface of the workpiece has a transparent film.

5. The apparatus of claim 4, wherein: The detection device further comprises a sliding table.

6. The apparatus of claim 4, wherein: The laser sensor is mounted on the sliding table.

7. The package outer transparent film inspection apparatus according to claim 6, characterized by: The sliding table is used for adjusting the position of the laser sensor and the reflecting plate.

8. The apparatus of claim 4, wherein: The sliding table is of the E-EIC01-40 model.

9. The package-outer film inspection apparatus of claim 8, wherein: The detection device further comprises a lower base plate, a support frame, a conveying line and a jig.

10. The package outer transparent film inspection apparatus according to claim 1, characterized by: The support frame is fixedly arranged on the lower base plate. The conveying line is mounted on the support frame. The jig is arranged on the conveying line. The jig is located between the laser sensor and the reflecting plate. The jig is connected to the conveying line. The conveying line is used for conveying the jig to pass the workpiece between the laser sensor and the reflecting plate. The lower base plate is provided with a support seat one and a support seat two. The support seat one and the support seat two are arranged on the two sides of the conveying line. The sliding table is mounted on the support seat one. The reflecting plate is mounted on the support seat two. The conveying line comprises a driving motor, a driving wheel, a conveying belt and a plurality of driven wheels. The driving motor, the driving wheel and the plurality of driven wheels are mounted on the support frame. The output end of the driving motor is connected to the driving wheel. The driving wheel and the plurality of driven wheels are connected through the conveying belt. The jig is connected to the conveying belt. The jig comprises a jig base plate and a plurality of positioning blocks. The jig base plate is in contact with the conveying belt. The plurality of positioning blocks are fixedly arranged on the jig base plate. The workpiece is arranged on the jig base plate and positioned by the plurality of positioning blocks. One end of the support frame is provided with a material blocking assembly. The material blocking assembly is used for blocking the jig. The material blocking assembly comprises a material blocking driving cylinder, a connecting plate, a sliding plate, a limiting rod, a linear guide rail and a sliding block. The material blocking driving cylinder and the linear guide rail are mounted on the support frame. The output end of the material blocking driving cylinder is connected to the connecting plate and the sliding plate. One end of the limiting rod is mounted on the sliding plate. The material blocking driving cylinder drives the limiting rod to block the jig. The sliding block is connected to the sliding plate. The sliding block is arranged on the linear guide rail and can slide along the linear guide rail. The laser sensor is of the E3NC_LH03 model.