A visual inspection device for detecting label quality

Abstract

The utility model discloses a visual inspection device for detecting the quality of labels, comprising a workbench, a feeding mechanism and a bearing mechanism, wherein the feeding mechanism is placed on the workbench, the bearing mechanism comprises a carrier plate, the carrier plate is connected to the workbench, a detection area is arranged on the carrier plate, a heating device is arranged at one end of the carrier plate, the top of the heating device is parallel to the detection area, the feeding mechanism is close to one end of the heating device, a visual inspection mechanism is arranged on the workbench, and the visual inspection mechanism faces the detection area. The utility model provides a visual inspection device for detecting the quality of labels, which can automatically detect the appearance of labels and improve the efficiency of detecting labels.

Description

Technical Field

[0001] The utility model relates to the field of label quality inspection, in particular to a visual inspection device for inspecting label quality. Background Art

[0002] In the sale of products, it is usually necessary to stick, hang or sew corresponding labels on the products. The labels are printed with information about the product. As the product's selling point, the appearance and materials of the labels also require merchants to carefully consider.

[0003] After the label is produced, the pattern and appearance printed on the label need to be inspected to prevent defective labels from entering the market.

[0004] The appearance inspection of labels is mostly done manually, but in the case of manual inspection, once the speed of the production line is fast, it is easy to have problems such as missed inspection and false inspection, which requires rework of multiple labels in the inspection batch. This is labor-intensive and time-consuming, increases labor intensity, and invisibly increases the cost of the enterprise, affecting the economic benefits of the enterprise. Utility Model Content

[0005] The utility model aims to provide a visual inspection device for inspecting the quality of labels, which can automatically inspect the appearance of labels and improve the efficiency of inspecting labels.

[0006] The technical solution adopted by a visual inspection device for detecting label quality disclosed in the utility model is:

[0007] It includes a workbench, a feeding mechanism and a carrying mechanism, wherein the feeding mechanism is placed on the workbench, the carrying mechanism includes a carrying plate, the carrying plate is connected to the workbench, a detection area is arranged on the carrying plate, a heating device is arranged at one end of the carrying plate, the top of the heating device is parallel to the detection area, the feeding mechanism is close to one end of the heating device, a visual detection mechanism is arranged on the workbench, and the visual detection mechanism faces the detection area.

[0008] As a preferred solution, two pressing plates are detachably mounted on the top of the carrier plate, and the two pressing plates are respectively located at two ends of the detection area. A gap is formed between the pressing plates and the carrier plate, and the material strip passes through the gap.

[0009] As a preferred solution, one end of the heating device is rotatably connected to a guide roller.

[0010] As a preferred solution, the visual inspection mechanism includes an inspection bracket and an inspection probe, the inspection bracket is connected to the workbench, the inspection probe is connected to the inspection bracket, and the inspection probe faces the inspection area.

[0011] As a preferred solution, a light box is fixedly connected to the detection bracket, and the light box is located between the carrier plate and the detection probe. A through groove is opened on the light box, and light strips are installed on both sides of the through groove. The light strips face the detection area, and the detection probe observes the detection area through the through groove.

[0012] As a preferred solution, a lifting mechanism is provided on the workbench, and the lifting mechanism includes a gear box and a lifting plate. The gear box is placed on the workbench, and a lifting screw is slidably connected to the gear box. The end of the lifting screw is rotatably connected to the lifting plate, and a light rod is fixedly connected to the lifting plate. The light rod is slidably connected to the workbench, the lifting plate is fixedly connected to the carrier plate, and the lifting plate is fixedly connected to the detection bracket.

[0013] As a preferred embodiment, the feeding mechanism includes a material tray, a driving assembly, a sensing rod and a feeding roller, the material tray is rotatably connected to the workbench, the driving assembly is placed on the workbench, the sensing rod is placed on the workbench, the feeding roller is rotatably connected to the workbench, the feeding roller is close to the guide roller, the sensing rod is located between the driving assembly and the feeding roller, and the driving assembly is located between the sensing rod and the material tray.

[0014] As a preferred solution, an expansion bracket is provided on the workbench, and a display is provided on the expansion bracket.

[0015] The beneficial effects of a visual inspection device for inspecting label quality disclosed in the utility model are:

[0016] The material strip passes through the heating device and the carrier plate in turn. When the material strip passes over the heating device, the heat emitted by the heating device can soften the material strip and make it flat, thereby reducing the error during detection. When the material strip passes over the detection area, the visual inspection mechanism above the carrier plate detects whether the appearance of the material strip below is qualified, thereby realizing automatic inspection of the material strip composed of multiple labels connected end to end, and improving the inspection efficiency of labels. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a structural schematic diagram of a visual inspection device for inspecting label quality.

[0018] Figure 2 The utility model is a schematic diagram of the structure of a feeding mechanism of a visual inspection device for inspecting label quality.

[0019] Figure 3 The utility model is a structural schematic diagram of a bearing mechanism and a visual inspection mechanism of a visual inspection device for inspecting label quality. DETAILED DESCRIPTION

[0020] The present invention is further described and illustrated below in conjunction with specific embodiments and accompanying drawings:

[0021] Please refer to Figure 1 .

[0022] The utility model discloses a visual inspection device for inspecting label quality, which comprises a workbench 1, a feeding mechanism 2, a lifting mechanism 3 and a bearing mechanism 4.

[0023] Used to detect the appearance of the material strip and the pattern printed on the material strip. The material strip is composed of multiple labels connected end to end.

[0024] A chassis is provided on the top of the workbench 1, and a control system is provided in the chassis. The control system is used to control the operation of the equipment. An expansion bracket 11 is provided on one side of the chassis. A display is provided on the expansion bracket 11. The display is electrically connected to the control system. The control system transmits the operation status of the equipment to the display for display. Workers can understand the operation status of the equipment through the display. The display is hung above the workbench 1 through the expansion bracket 11, which is convenient for workers to view the display.

[0025] Please refer to Figure 1 and Figure 2 .

[0026] The feeding mechanism 2 is placed on one side of the workbench 1, and the feeding mechanism 2 includes a material tray 21, a driving component 22, a sensing pull rod 23 and a feeding roller 24; the material tray 21 is rotatably connected to one side of the workbench 1, and the material belt is wound on the material tray 21; the driving component 22 is placed on one side of the workbench 1, and the driving component 22 includes a driving motor and two driving rollers, the driving motor is embedded in the workbench 1, the driving motor is electrically connected to the control system, and the output shaft of the driving motor passes through the outside of the workbench 1, and the center of one of the driving rollers is fixedly connected to the output shaft of the driving motor, and one side of the workbench 1 slides A driving slider is connected, and the center of another driving roller is rotationally connected to the driving slider, and the driving slider is pushed so that the other driving roller contacts one of the driving rollers; the sensing rod 23 is placed on one side of the workbench 1, the sensing rod 23 is embedded in the workbench 1, the sensing rod 23 is electrically connected to the control system, and one end of the sensing rod 23 extends out of the outside of the workbench 1; the center of the loading roller 24 is rotationally connected to one side of the workbench 1, the sensing rod 23 is located between the driving component 22 and the loading roller 24, and the driving component 22 is located between the sensing rod 23 and the material tray 21. The driving slider is pushed, and the slider drives the other driving roller away from one of the driving rollers, and the head end of the material belt is pulled out of the material tray 21. After the material belt passes between the two driving rollers, the driving slider is pushed, and the slider drives the other driving roller close to one of the driving rollers, so that the two driving rollers clamp the material belt, and the material belt bypasses the sensing rod 23 and the feeding roller 24 in turn. When the tension on the material belt is too large, the sensing rod 23 will be pulled, and the sensing rod 23 will transmit a signal to the control system, and the control system will transmit the operation signal to the drive motor, so that the drive motor drives the two driving rollers to rotate, and the two rollers will pull the material belt out of the material tray 21 faster to prevent the material belt from being broken in the material tray 21 due to excessive tension. When the tension on the material belt decreases, the force of the material belt pulling the sensing rod 23 becomes smaller, and the sensing rod 23 will transmit a signal to the control system, and the control system will transmit a stop signal to the drive motor, and the drive motor stops running.

[0027] Please refer to Figure 1 and Figure 3 .

[0028] The lifting mechanism 3 is placed on the top of the workbench 1, and the lifting mechanism 3 includes a gear box 31 and a lifting plate 33; the gear box 31 is placed on the top of the workbench 1, and an adjusting wheel is provided on the outer side of the gear box 31, and the adjusting wheel drives the gear box 31 to operate by rotating the adjusting wheel; a lifting screw 32 is slidably connected to the gear box 31, and the lifting screw 32 passes through the gear box 31, and the outer side of the lifting screw 32 is matched and connected with the gear box 31, one end of the lifting screw 32 is rotatably connected to the lifting plate 33, and the other end of the lifting screw 32 penetrates the workbench 1; a light rod is fixedly connected to the lifting plate 33, and the light rod is slidably connected to the top of the workbench 1. The gear box 31 is driven to operate by rotating the adjusting wheel, and the gear box 31 drives the lifting screw 32 to rotate, so that the lifting screw 32 slides up or down on the gear box 31 to adjust the height of the lifting plate 33.

[0029] The carrying mechanism 4 includes a carrier plate 41, which is fixedly connected to one side of the lifting plate 33. A detection area is provided on the top of the carrier plate 41. Two pressure plates are detachably installed on the top of the carrier plate 41. The two pressure plates are respectively located at the two ends of the detection area. A gap is formed between the pressure plate and the carrier plate 41, and the material belt passes through the gap; a heating device 42 is fixedly connected to one end of the carrier plate 41. In this embodiment, the top of the heating device 42 is preferably a flat plane, and the top of the heating device 42 is parallel to the detection area; a guide roller 43 is rotatably connected to one end of the heating device 42; the feeding mechanism 2 is close to one end of the heating device 42, the feeding roller 24 is close to the guide roller 43, and the material tray 21 is located below the carrier plate 41.

[0030] An external label cutting and folding machine is arranged on the outside of the workbench 1, and a feeding port is arranged on the external label cutting and folding machine. Due to the different models of external label cutting and folding machines on the market, the heights of the feeding ports of the external label cutting and folding machines are also different. By rotating the adjusting wheel to adjust the lifting plate 33 to slide up or down a certain height on the lifting screw rod 32, the other end of the adjusting carrier plate 41 is adjusted to be flush with the feeding port of the external label cutting and folding machine, so that the device can be compatible with more different models of external label cutting and folding machines on the market; the control system is electrically connected to the external label cutting and folding machine.

[0031] The material strip passes around the guide roller 43, and the two pressure plates are removed. The material strip passes around the top of the heating device 42 and the top of the detection area in turn, and then the two pressure plates are installed back to their original positions so that the material strip is limited in the gap between the pressure plate and the carrier plate 41; the heating device 42 can dissipate heat to soften the material strip at the top of the heating device 42. Since the top of the heating device 42 is a flat surface, the material strip sticks to the top of the heating device 42 after softening.

[0032] A visual inspection mechanism 5 is provided on the workbench 1, and the visual inspection mechanism 5 faces the inspection area. The visual inspection mechanism 5 includes a detection bracket 51 and a detection probe 52; the detection bracket 51 is connected to the workbench 1, and in this embodiment, the lifting plate 33 is preferably fixedly connected to the detection bracket 51, and the detection probe 52 is fixedly connected to the detection bracket 51, and the detection probe 52 is electrically connected to the control system, and the detection probe 52 faces the inspection area;

[0033] A light box 53 is fixedly connected to the detection bracket 51. The light box 53 is located between the carrier plate 41 and the detection probe 52. A through groove is opened on the light box 53. Light bars are installed on both sides of the through groove. The light bars face the detection area. The detection probe 52 observes the detection area through the through groove; the detection probe 52 detects the appearance of the material belt in the detection area. When there is a defect in the appearance of the material belt, the detection probe 52 determines that the current section of the material belt is NG. The detection probe 52 transmits the detected data to the control system. The control system transmits the detected data to the external label cutting and folding machine. The external label cutting and folding machine cuts off the section of the material belt determined to be NG; the light box 53 illuminates the detection probe 52 to improve the brightness in the detection area. In this embodiment, the carrier plate 41 is preferably made of opaque material so that the light from the light box 53 is more concentrated;

[0034] The external label cutting and folding machine is provided with a feeding mechanism, which includes a feeding motor and two feeding rollers. The feeding motor is fixedly connected to the external label cutting and folding machine, and the output shaft of the feeding motor is fixedly connected to the center of one of the feeding rollers. A feeding slider is slidably connected to the external label cutting and folding machine, and the center of another feeding roller is rotatably connected to the feeding slider. By pushing the feeding slider, another feeding roller is moved close to one of the feeding rollers.

[0035] Push the unloading slider to move the other unloading roller away from one of the unloading rollers, place the material belt between the two unloading rollers, push the unloading slider to make the other unloading roller close to one of the unloading rollers, let the two unloading rollers clamp the material belt, the unloading motor drives the unloading roller to rotate, and the two unloading rollers pull the material belt to move.

[0036] The utility model provides a visual inspection device for detecting the quality of labels. A material strip is pushed into a carrying mechanism through a feeding mechanism, and the material strip passes through a heating device and a carrier plate in sequence. When the material strip passes through the heating device, the heat emitted by the heating device can soften the material strip, making the material strip flat, thereby reducing the error during detection. When the material strip passes through the detection area, a visual inspection mechanism above the carrier plate detects whether the appearance of the material strip below is qualified, thereby realizing automatic detection of a material strip composed of multiple labels connected end to end, and improving the detection efficiency of labels.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A visual inspection device for inspecting label quality, used to inspect a strip of multiple labels connected end to end, characterized in that: It includes a workbench, a loading mechanism and a carrying mechanism; The feeding mechanism is placed on a workbench; The carrying mechanism comprises a carrying plate, the carrying plate is connected to the workbench, a detection area is arranged on the carrying plate, a heating device is arranged at one end of the carrying plate, the top of the heating device is parallel to the detection area, and the feeding mechanism is close to one end of the heating device; The workbench is provided with a visual inspection mechanism, and the visual inspection mechanism faces the inspection area.

2. A visual inspection device for inspecting label quality as claimed in claim 1, characterized in that: Two pressing plates are detachably mounted on the top of the carrier plate. The two pressing plates are respectively located at two ends of the detection area. A gap is formed between the pressing plates and the carrier plate, and the material strip passes through the gap.

3. A visual inspection device for inspecting label quality as claimed in claim 2, characterized in that: One end of the heating device is rotatably connected with a guide roller.

4. A visual inspection device for inspecting label quality as claimed in claim 3, characterized in that: The visual inspection mechanism comprises an inspection bracket and an inspection probe, wherein the inspection bracket is connected to the workbench, the inspection probe is connected to the inspection bracket, and the inspection probe faces the inspection area.

5. A visual inspection device for inspecting label quality as claimed in claim 4, characterized in that: A light box is fixedly connected to the detection bracket, and the light box is located between the carrier plate and the detection probe. A through slot is opened on the light box, and light bars are installed on both sides of the through slot. The light bars face the detection area, and the detection probe observes the detection area through the through slot.

6. A visual inspection device for inspecting label quality as claimed in claim 5, characterized in that: The workbench is provided with a lifting mechanism, which includes a gear box and a lifting plate. The gear box is placed on the workbench, and a lifting screw is slidably connected to the gear box. The end of the lifting screw is rotatably connected to the lifting plate, and a light rod is fixedly connected to the lifting plate. The light rod is slidably connected to the workbench, the lifting plate is fixedly connected to the carrier plate, and the lifting plate is fixedly connected to the detection bracket.

7. A visual inspection device for inspecting label quality as claimed in claim 6, characterized in that: The feeding mechanism includes a material tray, a driving assembly, a sensing rod and a feeding roller. The material tray is rotatably connected to the workbench, the driving assembly is placed on the workbench, the sensing rod is placed on the workbench, the feeding roller is rotatably connected to the workbench, the feeding roller is close to the guide roller, the sensing rod is located between the driving assembly and the feeding roller, and the driving assembly is located between the sensing rod and the material tray.

8. A visual inspection device for inspecting label quality as claimed in claim 7, characterized in that: An expansion bracket is arranged on the workbench, and a display is arranged on the expansion bracket.

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