A label detection apparatus

Abstract

The utility model discloses an equipment for detecting label, including case, lift adjusting mechanism, left and right adjusting mechanism, rotary disc, rotary disc and NFC label detector, the case is fixed on the conveyer support of production line, lift adjusting mechanism includes lift adjusting shaft and lift locking sleeve, left and right adjusting mechanism includes sliding rail and sliding platform, rotary disc sleeve is connected in the other end of lift adjusting shaft, rotary disc and rotary disc fixed connection, NFC label detector is fixedly connected with rotary disc, and the label pasted on the material on conveyer belt is checked, and the utility model discloses through lift adjusting mechanism, left and right adjusting mechanism, rotary disc, rotary disc realizes the multidimensional adjustment of NFC label detector, satisfies the detection angle and position of product label, and accurately adjusts detection angle and position, can realize physical and data double -dimensional detection through NFC label to the comprehensive detection of NFC label, improves the detection coverage, and prevents the label damage from flowing into the next process.

Description

Technical Field

[0001] This utility model relates to the field of near-field communication, and in particular to a tag detection device. Background Technology

[0002] Near Field Communication (NFC) tags are widely used and highly effective in the anti-counterfeiting market because they have unique user identification (UID).

[0003] After NFC tag data is written, NFC tag data detection and verification is a crucial step. Existing NFC tag data detection and verification equipment can only be adjusted from a single dimension, and cannot achieve multi-dimensional adjustment of the equipment. This results in the inability to accurately detect NFC tag data on products. In addition, existing detection equipment also suffers from insufficient tag detection comprehensiveness. Single NFC detection can only verify the validity of data and cannot identify physical damage to the tag. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing a label inspection device. This device utilizes a lifting adjustment mechanism, a left-right adjustment mechanism, a rotating disk, and a turntable to achieve multi-dimensional adjustment of the NFC label detector, satisfying the detection angle and position requirements of product labels and enabling precise adjustment of these angles and positions. Furthermore, it enables dual-dimensional physical and data detection of NFC labels, thus achieving comprehensive inspection of NFC labels, improving detection coverage, and preventing damaged labels from entering the next process.

[0005] To achieve the above objectives, this utility model provides a label detection device, which is fixed on a conveying device. The conveying device includes a conveying bracket and a conveyor belt mounted on the conveying bracket. The label detection device includes a housing, a lifting adjustment mechanism, a left and right adjustment mechanism, a rotating disk, a turntable, and an NFC label detector.

[0006] The chassis is fixed on the conveyor support of the production line;

[0007] The lifting adjustment mechanism includes a lifting adjustment shaft and a lifting locking bushing; wherein, one end of the lifting adjustment shaft is fixed to the top of the chassis; and the lifting locking bushing is sleeved on the lifting adjustment shaft.

[0008] The left and right adjustment mechanism includes a sliding rail and a sliding table; wherein, the two ends of the sliding rail are fixed to the inner wall of the housing and are arranged perpendicular to the lifting adjustment shaft; the sliding table is fixedly connected to the lifting locking shaft sleeve, and the bottom of the sliding table is provided with a sliding block that slides on the sliding rail;

[0009] The rotating disk is sleeved on the other end of the lifting adjustment shaft;

[0010] The rotating disk is fixedly connected to the rotating disk and is arranged perpendicular to the rotating disk;

[0011] The NFC tag detector is fixedly connected to the rotating disk and is positioned above the conveyor belt to verify the tags affixed to the materials on the conveyor belt.

[0012] Preferably, the label detection device further includes a sensor mechanism, which includes an upstream sensor and a downstream sensor. The upstream sensor and the downstream sensor are fixed relative to each other on the inner wall of the chassis, and corresponding sensor openings are provided on the inner wall of the chassis.

[0013] The upstream sensor is a diffuse reflective type with a detection distance of 50-300mm; the downstream sensor is a through-beam type with a response time of ≤3ms.

[0014] Preferably, the NFC tag detector may include an RFID tag detection module and an NFC reader / writer module; wherein, the RFID tag detection module detects the integrity of the tag antenna through magnetic field coupling; and the NFC reader / writer module verifies the data format and encryption information.

[0015] Preferably, the lifting adjustment mechanism further includes a lifting locking knob, which passes through the lifting adjustment shaft and the lifting locking bushing to fix the lifting locking bushing on the lifting adjustment shaft, thereby achieving vertical locking of the NFC tag detector.

[0016] Preferably, there are two sliding rails, which are connected by a sliding base plate, and the sliding base plate is fixed inside the chassis;

[0017] More preferably, the left and right adjustment mechanism further includes a left and right locking knob, which passes through the sliding platform and the sliding base plate to fix the sliding platform and the sliding base plate, thereby achieving locking in the horizontal direction of the NFC tag detector.

[0018] Preferably, the tag detection device further includes a touch terminal, which is mounted on the chassis and electrically connected to the NFC tag detector.

[0019] Preferably, the rotating disk is a cross roller bearing, which rotates the NFC tag detector 360°.

[0020] Preferably, the rotating disk includes a fixed disk and a movable disk. The fixed disk is fixedly connected to the rotating disk, and the movable disk is fixedly connected to the NFC tag detector. The fixed disk and the movable disk are driven by the meshing of the racks on the sides, and the NFC tag detector is rotated 180° by the fixed disk and the movable disk.

[0021] Preferably, the chassis includes a left chassis, a main chassis, and a right chassis that are fixedly connected in sequence, and the main chassis is fastened to the left chassis and the right chassis by bolts.

[0022] This utility model provides a label inspection device that achieves multi-dimensional adjustment of the NFC label detector through a lifting adjustment mechanism, a left and right adjustment mechanism, a rotating disk, and a turntable, satisfying the detection angle and position of the product label and enabling precise adjustment of the detection angle and position. Through NFC labels, it can achieve dual-dimensional detection of physical and data, thereby comprehensively inspecting NFC labels, improving detection coverage, and preventing damaged labels from flowing into the next process. Attached Figure Description

[0023] Figure 1 A schematic diagram of a label detection device provided in an embodiment of this utility model;

[0024] Figure 2 This is a schematic diagram of the internal structure of a label detection device provided in an embodiment of the present utility model;

[0025] Figure 3 A partial structural diagram of a label detection device provided in this embodiment of the present invention. Figure 1 ;

[0026] Figure 4 A partial structural diagram of a label detection device provided in this embodiment of the present invention. Figure 2 ;

[0027] Figure 5 A schematic diagram of the structure of a rotating disk provided in an embodiment of this utility model;

[0028] Figure 6 A schematic diagram of sensor installation provided for an embodiment of this utility model;

[0029] In the picture:

[0030] 1. Chassis; 11. Left chassis; 12. Main unit chassis; 13. Right chassis;

[0031] 2. Lifting and adjusting mechanism; 21. Lifting and adjusting shaft; 22. Lifting and locking bushing; 23. Lifting and locking knob;

[0032] 3. Left and right adjustment mechanism; 31. Sliding rail; 32. Sliding table; 33. Sliding base plate; 34. Left and right locking knob;

[0033] 4. Rotating disk;

[0034] 5. Rotating disc; 51. Fixed disc; 52. Movable disc;

[0035] 6. NFC tag detector;

[0036] 7. Sensor mechanism; 71. Upstream sensor; 72. Downstream sensor;

[0037] 8. Touch screen terminal;

[0038] 9. Warning lights. Detailed Implementation

[0039] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0040] Figure 1 This is a schematic diagram of the structure of a label detection device provided in an embodiment of the present utility model. Figure 2 This is a schematic diagram of the internal structure of a label detection device provided in an embodiment of the present invention, as shown below. Figure 1 and Figure 2 As shown, the label detection device provided in this embodiment of the present invention is fixed on the conveyor equipment of the production line. The conveyor equipment includes a conveyor bracket and a conveyor belt mounted on the conveyor bracket. The conveyor bracket is used to fix the conveyor belt and the label detection device. The conveyor belt is used to convey materials. The label detection device of this application is used to detect NFC tags affixed to the materials on the conveyor belt. The label detection device provided in this embodiment of the present invention includes a chassis 1, a lifting adjustment mechanism 2, a left and right adjustment mechanism 3, a rotating disk 4, a rotating disk 5, and an NFC tag detector 6. The lifting adjustment mechanism 2, the left and right adjustment mechanism 3, the rotating disk 4, and the rotating disk 5 can be regarded as multi-dimensional adjustment mechanisms, used to realize multi-dimensional adjustment of the NFC tag detector 6, covering multi-dimensional adjustment of vertical height, left and right position, and tilt angle, to meet the multi-product angle detection requirements. The following is in conjunction with Figures 1 to 4 As shown, the structure of each part of the label inspection equipment is described in detail.

[0041] The chassis 1 is used to fix the label detection equipment. It is fixed to the conveyor support on the production line and positioned above the materials being conveyed on the conveyor belt. Specifically, chassis 1 includes a left chassis 12, a main chassis 11, and a right chassis 13, which are fixedly connected in sequence. The main chassis 11 serves as the central hub and is connected to the left and right chassis 12 and 13 by bolts. A combination of mortise and tenon joints and bolt fastening can be used to form a symmetrical frame. The left chassis 12 has a detection chamber at its front end, housing an NFC tag detector 6. The right chassis 13 has a planned sensor cable routing path, achieving structured integration of functional modules. The overall structure is welded from Q235 steel plate to ensure a rigid foundation. Preferably, chassis 1 also features an anti-resonance design: internal reinforcing ribs are added, ensuring an amplitude ≤0.05mm at a production line cycle of 30 pieces / minute, guaranteeing the relative positional stability of the NFC tag detector 6 and the labels on the products, i.e., a relative positional deviation ≤±0.2mm. The box-type frame and anti-resonance design of this application reduce the mean time between failures (MTBF) of the equipment and lower maintenance costs.

[0042] The lifting adjustment mechanism 2 is used for lifting and adjusting the label detection equipment, ensuring that the NFC label detector 6 of the label detection equipment is at a suitable detection distance from the label on the material, thus achieving accurate label detection. Specifically, the lifting adjustment mechanism 2 includes a lifting adjustment shaft 21 and a lifting locking bushing 22; one end of the lifting adjustment shaft 21 is fixed to the top of the housing 1, and the lifting locking bushing 22 is sleeved on the lifting adjustment shaft 21, allowing it to rise or fall on the lifting adjustment shaft 21 to adjust the height of the detection equipment.

[0043] In a preferred embodiment, in order to lock the lifting adjustment structure, the lifting adjustment mechanism 2 further includes a lifting locking knob 23. The lifting locking knob 23 passes through the lifting adjustment shaft 21 and the lifting locking bushing 22. After adjusting the height of the device, the lifting locking knob 23 is turned to fix the lifting locking bushing 22 on the lifting adjustment shaft 21, thereby achieving vertical locking of the NFC tag detector 6.

[0044] The left-right adjustment mechanism 3 is used for adjusting the left and right displacement of the label detection equipment, so that the NFC label detector 6 of the label detection equipment is directly above the label of the material, achieving accurate label detection. Specifically, the left-right adjustment mechanism 3 includes a sliding rail 31 and a sliding table 32; wherein, the two ends of the sliding rail 31 are fixed to the inner wall of the housing 1 and are set perpendicular to the lifting adjustment shaft 21; the sliding table 32 is fixedly connected to the lifting locking sleeve 22, and a sliding block is provided at the bottom of the sliding table 32, which slides on the sliding rail 31. By sliding the sliding block on the sliding rail 31, the left and right displacement of the NFC label detector 6 in the horizontal direction is realized, so that the NFC label detector 6 of the label detection equipment is directly above the label of the material.

[0045] In a preferred embodiment, to ensure stability during the sliding process, there are two sliding tracks 31, which are connected by a sliding base plate 33, which is fixed inside the housing 1. More preferably, in order to lock the left and right displacement, the left and right adjustment mechanism 3 also includes two left and right locking knobs 34. The left and right locking knobs 34 pass through the sliding platform 32 and the sliding base plate 33. When the left and right positions are adjusted, the left and right locking knobs 34 are turned to fix the sliding platform 32 and the sliding base plate 33, thereby locking the NFC tag detector 6 in the horizontal direction.

[0046] A rotating disk 4 is used to adjust the detection position of the NFC tag detector 6 in the horizontal direction. The rotating disk 4 is sleeved on the other end of the lifting adjustment shaft 21, that is, the bottom of the lifting adjustment shaft 21. In a preferred embodiment, the rotating disk 4 has an opening in the center, and the two are fixed by being sleeved on the bottom of the lifting adjustment shaft 21 through the opening. Preferably, the rotating disk 4 can be a crossed roller bearing, which allows the NFC tag detector 6 to rotate 360° and bear radial and axial loads, thereby realizing the rotational adjustment of the detection position of the NFC tag detector 6.

[0047] Rotating disk 5 is used to adjust the tilt angle of the detection surface of NFC tag detector 6, in conjunction with... Figure 5 As shown, rotating disk 5 and rotating disk 4 are fixedly connected and set perpendicular to rotating disk 5. The side of rotating disk 5 is fixedly connected to the side of rotating disk 4. In a specific example, rotating disk 5 specifically includes fixed disk 51 and movable disk 52. The left side of fixed disk 51 is fixedly connected to rotating disk 4, and the right side of movable disk 52 is fixedly connected to NFC tag detector 6. The contact surfaces of fixed disk 51 and movable disk 52 are provided with interlocking racks to realize the rotational connection between the two. It can be understood that fixed disk 51 and movable disk 52 are driven by the interlocking of the racks on the sides. Thus, NFC tag detector 6 can be rotated 180° through fixed disk 51 and movable disk 52. That is to say, movable disk 52 can be rotated 180° through fixed disk 51, and NFC tag detector 6 will also rotate 180° accordingly, thereby realizing the adjustment of the tilt angle of the detection surface of NFC tag detector 6.

[0048] An NFC tag detector 6, fixedly connected to the rotating disk 5 and positioned above the conveyor belt, verifies the tags affixed to materials on the conveyor belt. Specifically, the NFC tag detector 6 may include an RFID tag detection module and an NFC reader / writer module, forming a dual-dimensional "physical + data" detection system. The RFID tag detection module detects the integrity of the tag antenna through magnetic field coupling, such as whether it is damaged or displaced. The NFC reader / writer module verifies the data format and encryption information, improving detection coverage and preventing physically damaged tags from flowing into the next process. Furthermore, the RFID tag detection module and the NFC reader / writer module can be integrated into the front detection chamber of the left chassis 12, with the opening of the detection chamber facing the production line conveyor path to ensure signal coverage.

[0049] In a preferred embodiment, the label detection device further includes a sensor mechanism 7, combined with... Figure 6 As shown, a dual-sensor system is employed, specifically including an upstream sensor 71 and a downstream sensor 72. The upstream and downstream sensors 71 and 72 are fixed relative to each other on the inner wall of the housing 1. Corresponding sensor openings are provided on the inner wall of the housing 1. The upstream and downstream sensors 71 and 72 achieve detection through these openings, thereby ensuring signal stability in complex environments. Further preferably, the dual sensors employ a redundant design of "upstream trigger - downstream confirmation." Here, the upstream sensor 71 is a diffuse reflective type with a detection distance of 50-300mm, responsible for initiating detection; the downstream sensor 72 is a through-beam type with a response time ≤3ms, responsible for confirming the material passage status. The signals of both are verified through a logic AND gate, and validity is determined only when the two signals match, thereby reducing the false trigger rate. Furthermore, the sensor protection level reaches IP67, adapting to dusty workshop environments. In addition, the dual sensors can be fixed to the incoming (upstream) and outgoing (downstream) ends of the production line respectively via adjustable brackets. The cables of the sensor mechanism 7 can be routed through protective conduits inside the right housing to the main control board, eliminating dust interference.

[0050] In a preferred embodiment, the tag detection device further includes a touch terminal 8, which is mounted on the chassis 1 and electrically connected to the NFC tag detector 6. Preferably, the touch terminal 8 is embedded in the operating surface of the main chassis 11 to enable human-machine interaction. The touch terminal 8 uses an industrial touch screen and is designed with an explosion-proof film and waterproof rubber ring to adapt to oily workshop environments.

[0051] In a preferred embodiment, the label detection device also includes an emergency stop button, integrated on the side of the left housing 12 and the right housing 13, and adopts a dual-channel design to simultaneously cut off the main circuit and the control circuit.

[0052] In a preferred embodiment, the label detection device further includes an alarm light 9, which is embedded in the top center of the main unit housing 11 and directly connected to the internal control module via a hard wire. Specifically, the alarm light 9 is directly connected to the control module via a hard wire, with a trigger delay of ≤10ms. The PLC rejection signal is output with photoelectric isolation, and the entire process time from detecting abnormality to the rejection mechanism action is compressed to 50ms, which is 80% shorter than the traditional solution, thus avoiding the omission of abnormal products.

[0053] The above is a structural description of the label detection device provided in the embodiments of this utility model. Based on the understanding of its structure, its working process will be described below.

[0054] First, the NFC tag detector 6 is adjusted in multiple dimensions through a multi-dimensional adjustment mechanism, namely, the height is adjusted by the lifting adjustment mechanism 2, the left and right displacement is adjusted by the left and right adjustment mechanism 3, the rotation is adjusted by the rotating disk 4, and the tilt is adjusted by the rotating disk 5. This ensures that the position of the NFC tag detector 6 meets the detection angle and position of the product tag, and the detection angle and position are precisely adjusted.

[0055] Then, the equipment is started. After startup, the dual sensors enter standby mode. When incoming material passes through upstream sensor 71, a detection signal is triggered. The RFID tag detection module and NFC reader module of NFC tag detector 6 work together. The RFID tag detection module detects the physical integrity of the tag, such as whether it is damaged or displaced, while the NFC reader module reads the validity of the tag data, such as the data format and checksum. The detection data is transmitted to the host control module in real time. If any indicator is abnormal, the alarm light 9 immediately flashes red at a frequency of 2Hz. At the same time, the control module sends a 24V DC trigger signal to the rejection mechanism of the production line through the PLC interface to achieve accurate rejection of abnormal products. If the detection is normal, downstream sensor 72 receives the material passing signal, completing a single detection loop. During this process, the touch terminal 8 can display the detection data, abnormal records, and equipment status in real time, and supports parameter configuration and manual control.

[0056] This utility model provides a label inspection device that achieves multi-dimensional adjustment of the NFC label detector through a lifting adjustment mechanism, a left and right adjustment mechanism, a rotating disk, and a turntable, satisfying the detection angle and position of the product label and enabling precise adjustment of the detection angle and position. Through NFC labels, it can achieve dual-dimensional detection of physical and data, thereby comprehensively inspecting NFC labels, improving detection coverage, and preventing damaged labels from flowing into the next process.

[0057] In this utility model, the term "multiple" refers to two or more unless otherwise explicitly defined. The terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "linking" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0058] In the description of this utility model, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or unit referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0059] In the description herein, the terms "a specific embodiment," "some embodiments," "one embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0060] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A label inspection device, characterized in that, The label detection device is fixed on the conveying device, which includes a conveying bracket and a conveyor belt mounted on the conveying bracket; the label detection device includes a chassis, a lifting adjustment mechanism, a left and right adjustment mechanism, a rotary disk, a rotating disk, and an NFC label detector. The chassis is fixed on the conveyor support of the production line; The lifting adjustment mechanism includes a lifting adjustment shaft and a lifting locking sleeve; wherein, one end of the lifting adjustment shaft is fixed to the top of the chassis; the lifting locking sleeve is sleeved on the lifting adjustment shaft; wherein, the lifting adjustment mechanism also includes a lifting locking knob, the lifting locking knob passes through the lifting adjustment shaft and the lifting locking sleeve, and fixes the lifting locking sleeve on the lifting adjustment shaft, thereby realizing the vertical locking of the NFC tag detector; The left and right adjustment mechanism includes a sliding rail and a sliding table; wherein, the two ends of the sliding rail are fixed to the inner wall of the housing and are arranged perpendicular to the lifting adjustment shaft; the sliding table is fixedly connected to the lifting locking shaft sleeve, and the bottom of the sliding table is provided with a sliding block that slides on the sliding rail; The rotating disk is sleeved on the other end of the lifting adjustment shaft; The rotating disk is fixedly connected to the rotating disk and is arranged perpendicular to the rotating disk; The NFC tag detector is fixedly connected to the rotating disk and is positioned above the conveyor belt to verify the tags affixed to the materials on the conveyor belt.

2. The label detection device according to claim 1, characterized in that, The label detection equipment also includes a sensor mechanism, which includes an upstream sensor and a downstream sensor. The upstream sensor and the downstream sensor are fixed relative to each other on the inner wall of the chassis, and corresponding sensor openings are provided on the inner wall of the chassis. The upstream sensor is a diffuse reflective type with a detection distance of 50-300mm; the downstream sensor is a through-beam type with a response time of ≤3ms.

3. The label detection device according to claim 1, characterized in that, The NFC tag detector may include an RFID tag detection module and an NFC reader / writer module; wherein, the RFID tag detection module detects the integrity of the tag antenna through magnetic field coupling; and the NFC reader / writer module verifies the data format and encryption information.

4. The label detection device according to claim 1, characterized in that, There are two sliding rails, which are connected by a sliding base plate, which is fixed inside the chassis.

5. The label detection device according to claim 4, characterized in that, The left and right adjustment mechanism also includes left and right locking knobs, which pass through the sliding platform and the sliding base plate to fix the sliding platform and the sliding base plate, thereby achieving horizontal locking of the NFC tag detector.

6. The label detection device according to claim 1, characterized in that, The tag detection device also includes a touch terminal, which is mounted on the chassis and electrically connected to the NFC tag detector.

7. The label detection device according to claim 1, characterized in that, The rotating disk is a cross roller bearing, which rotates the NFC tag detector 360°.

8. The label detection device according to claim 1, characterized in that, The rotating disk includes a fixed disk and a movable disk. The fixed disk is fixedly connected to the rotating disk, and the movable disk is fixedly connected to the NFC tag detector. The fixed disk and the movable disk are driven by the meshing of the side racks, and the NFC tag detector is rotated 180° by the fixed disk and the movable disk.

9. The label detection device according to claim 1, characterized in that, The chassis includes a left chassis, a main chassis, and a right chassis that are fixedly connected in sequence. The main chassis is fastened to the left chassis and the right chassis by bolts.

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