Label attaching device and label attaching method
By designing an automated label application device that integrates automatic label peeling, automatic product picking and placing, and visual guidance positioning, the problem of instability and low efficiency of manual operation in the process of labeling small and medium-sized loudspeakers has been solved, achieving precise bonding and efficient production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-03-10
- Publication Date
- 2026-04-07
AI Technical Summary
In the production of small and medium-sized loudspeakers, the label bonding process relies on manual operation, resulting in poor stability, low precision, and high cost, making it difficult to meet the requirements of large-scale production.
Design a label application device that integrates automatic label peeling, automatic product picking and placing, visual guidance positioning, precise pasting and smoothing functions, and realizes the automated bonding process through multi-axis slide rails and flipping mechanism.
It achieves precise bonding between small and medium-sized speakers and labels, improving production efficiency and quality consistency, reducing labor costs, and eliminating safety hazards.
Smart Images
Figure CN121799754A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of label application technology, and in particular to a label application device and a label application method. Background Technology
[0002] Currently, in the production process of small and medium-sized speakers in the domestic consumer electronics industry, the bonding process between the speaker and the label still generally adopts the traditional operation mode of manual peeling and manual pasting. This mode has many significant drawbacks: 1. Manual operation is highly subjective and unstable, which can easily lead to quality problems such as dirty labels, crooked pasting, and misaligned positions, seriously affecting the bonding accuracy and appearance consistency of the product; 2. To ensure the final bonding effect, companies need to invest a lot of manpower and resources to carry out manual sampling and re-inspection throughout the entire process, which significantly increases production and management costs; 3. Manual operation has a clear ceiling in efficiency, which not only makes it difficult to match the pace requirements of large-scale production, but also easily creates capacity bottlenecks in key processes, which is contrary to the company's long-term development strategy of intelligentization and high efficiency.
[0003] To completely overcome this production pain point, there is an urgent need to develop automated / semi-automated technical solutions that are adapted to the layout of the production line. The solution needs to integrate core functions such as automatic label peeling, automatic product picking and placing, visual guidance positioning, precise pasting, and post-application smoothing. Through full-process automated control, it can simultaneously improve process efficiency, bonding quality, and product consistency. Summary of the Invention
[0004] The technical problem to be solved by the present invention is to provide a label attaching device and a label attaching method to quickly, stably and accurately meet the label bonding requirements of small and medium-sized loudspeaker products.
[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: On one hand, embodiments of the present invention provide a label attaching device, comprising: Base; The product pick-and-place mechanism is located on the base and is used to pick up and move the product to be labeled to the label attaching mechanism, and pick up and transport the product after the label is attached and smoothed away from the label attaching mechanism. A label attaching mechanism is provided on the base. The label attaching mechanism includes a first slide rail extending along the X-axis, a first slider on the first slide rail, a flipping mechanism above the first slider, and a flip-up product placement seat on the flipping mechanism. When the product placement seat is located at the end of the first slide rail near the product pick-and-place mechanism, the product placement seat has a feeding position and a smoothing position. When the product placement seat is located at the end of the first slide rail away from the product pick-and-place mechanism, the product placement seat has a label attaching position. A label peeling mechanism, located on the base, is used to peel labels off the material strip; A label picking and placing mechanism is provided on the base for picking up a label from the label peeling mechanism and placing the picked-up label onto the product to be labeled when the product placement seat is in the labeling position. A label smoothing mechanism is provided on the base for smoothing the labels already attached to the product when the product placement seat is in the smoothing position.
[0006] In some embodiments of the present invention, the product picking and placing mechanism includes a first mounting bracket, a second slide rail extending along the Y-axis on the first mounting bracket, a second slider on the second slide rail, a third slide rail extending along the Z-axis on the second slider, a third slider on the third slide rail, and a product picking and placing gripper on the third slider.
[0007] In some embodiments of the present invention, the third slider is provided with a rotating component, which is connected to the product pick-and-place gripper; And / or, the base is provided with a feeding mechanism, the feeding mechanism includes a conveyor belt, the conveyor belt is provided with tooling for carrying products, a product picking and placing mechanism is provided above one end of the conveyor belt, a tooling positioning mechanism is provided below one end of the conveyor belt and corresponding to the product picking and placing mechanism, and a unloading mechanism is provided at the other end of the conveyor belt.
[0008] In some embodiments of the present invention, the flipping mechanism includes a pair of support frames, the product placement seat is rotatably connected to the pair of support frames via a rotating shaft, and the end of the rotating shaft is provided with a driven wheel; the flipping mechanism also includes a servo motor, the servo motor is driven and connected to a driving wheel, and the driving wheel and the driven wheel are connected via a synchronous belt.
[0009] In some embodiments of the present invention, the label attaching mechanism further includes a driven slide rail arranged parallel to the first slide rail, the driven slide rail being provided with a driven slider, one support frame being fixed to the first slider, and the other support frame being fixed to the driven slider.
[0010] In some embodiments of the present invention, the product placement seat is provided with a product receiving slot, wherein: The product receiving slot is provided with a clearance groove on its side; And / or, the product receiving groove is provided with a stepped surface; And / or, the side of the product receiving slot is provided with a positioning post; And / or, the side of the product receiving slot is provided with a rotatable and retractable product pressing cylinder, and the product pressing cylinder is driven and connected to a product pressing head.
[0011] In some embodiments of the present invention, the label picking and placing mechanism includes a second mounting bracket, the second mounting bracket is provided with a fourth slide rail extending along the Y-axis, the fourth slide rail is provided with a fourth slider, the fourth slider is provided with a fifth slide rail extending along the Z-axis, the fifth slide rail is provided with a fifth slider, the fifth slider is provided with a suction nozzle driving cylinder, and the suction nozzle driving cylinder is driven and connected to a suction nozzle.
[0012] In some embodiments of the present invention, the label peeling mechanism has a label peeling and placement area at one end near the label picking and placing mechanism; the label picking and placing mechanism is also provided with a visual guidance mechanism, which is used to acquire images of the peeled label, calculate the offset of the label on the X-axis and Y-axis based on the images, and compensate the offset on the X-axis to the first slider and the offset on the Y-axis to the fourth slider. The visual guidance mechanism includes a camera disposed on the fifth slider for capturing images of the peeled label.
[0013] In some embodiments of the present invention, the suction nozzle has a suction surface, and the suction surface is provided with a plurality of suction holes. Two suction holes located at both ends of the suction surface are arranged along the center line of the suction surface, and the suction holes located in the middle of the suction surface are arranged along a straight line parallel to and deviating from the center line by a certain distance. And / or, the visual guidance mechanism further includes a light source bracket disposed on the fifth slider, the light source bracket being provided with a light source for supplementing light to the camera; And / or, the camera has a shooting wait position and a shooting end position, the tag picking and placing mechanism has a tag picking wait position, and the shooting end position coincides with the tag picking wait position; And / or, the label smoothing mechanism is located on the outer side of one end of the first slide rail near the product pick-and-place mechanism, the label smoothing mechanism includes a third mounting bracket, the third mounting bracket is provided with a smoothing drive cylinder, and the smoothing drive cylinder is driven to connect a smoothing head.
[0014] On the other hand, embodiments of the present invention provide a method for applying labels using the above-described label application device, comprising: The label attaching mechanism and the flipping mechanism position the product placement seat at the feeding position, and the product picking and placing mechanism picks up and moves the product to be labeled to the product placement seat. The label attaching mechanism and the flipping mechanism move the product placement seat to the labeling position, and the label picking and placing mechanism picks up the label from the label peeling mechanism and places the picked-up label on the product to be labeled; The label attaching mechanism and the flipping mechanism move the product placement seat to the smoothing position, and the label smoothing mechanism smooths the label already attached to the product. The label attaching mechanism and the flipping mechanism move the product placement seat to the feeding position, and the product picking and placing mechanism picks up and transports the product after the label is attached and smoothed away from the product placement seat.
[0015] The present invention has the following beneficial effects: The label attaching device and method of this invention achieve perfect bonding between the speaker and the label by integrating automatic label peeling, automatic product picking and placing, visual guidance positioning, attaching, smoothing, unloading, and transmission between equipment stations. This meets the precise bonding requirements of small and medium-sized speakers and labels. Compared with manual label attaching, it can meet the bonding requirements of small and medium-sized speaker products and labels more quickly, stably, and accurately, and can also eliminate various safety hazards in the process. Attached Figure Description
[0016] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a schematic diagram of the label attaching device in one direction according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the label attaching device from another direction according to an embodiment of the present invention; Figure 3 This is a schematic diagram of the product picking and placing mechanism in an embodiment of the present invention; Figure 4 This is a schematic diagram of the label attaching mechanism in one direction according to an embodiment of the present invention; Figure 5 This is a schematic diagram of the label attaching mechanism from another direction in an embodiment of the present invention; Figure 6 This is a schematic diagram of the label peeling mechanism in an embodiment of the present invention; Figure 7 This is a schematic diagram of the label picking and placing mechanism and the visual guidance mechanism in an embodiment of the present invention; Figure 8 for Figure 7 A front view schematic diagram of the relevant components on the fifth slider in the middle; Figure 9 for Figure 7 A bottom view of the structure of the relevant components on the fifth slider; Figure 10 This is a schematic diagram of the operation of the label smoothing mechanism in an embodiment of the present invention; Figure 11 This is a schematic diagram of the structure of the product to be labeled in an embodiment of the present invention; Figure 12 This is a flowchart illustrating the label affixing method according to an embodiment of the present invention.
[0017] Figure label: 1. Base 2. Product picking and placing mechanism; 21. First mounting bracket; 22. Second slide rail; 23. Second slider; 24. Third slide rail; 25. Third slider; 26. Product picking and placing claw; 27. Rotating assembly. 3. Label attaching mechanism; 31. Product placement seat; 311. Product receiving slot; 3111. Clearance slot; 3112. Stepped surface; 3113. Positioning post; 312. Product clamping cylinder; 313. Product clamping head; 32. First slide rail; 33. First slider; 34. Driven slide rail; 35. Driven slider. 4. Tilting mechanism; 41. Support frame; 42. Rotating shaft; 43. Servo motor; 44. Driven wheel; 45. Driven wheel. 5. Label peeling mechanism; 51. Label peeling placement area. 6. Label picking and placing mechanism; 61. Second mounting bracket; 62. Fourth slide rail; 63. Fourth slider; 64. Fifth slide rail; 65. Fifth slider; 66. Suction nozzle drive cylinder; 67. Suction nozzle; 671. Suction surface; 672. Suction hole. 7. Label smoothing mechanism; 71. Third mounting bracket; 72. Smoothing head; 721. Smoothing surface. 8. Visual guidance mechanism; 81. Camera mounting bracket; 82. Light source bracket; 83. Light source. 9. Unloading mechanism, 10. Tooling positioning mechanism; 101. Support arm; 11. Product to be labeled; 111. Lug; 112. Mounting hole. 12. Material strip. Detailed Implementation
[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.
[0019] This invention provides a label attaching device, such as... Figure 1-11 As shown, it includes: Base 1; Product pick-and-place mechanism 2, located on base 1, is used to pick up and move the product 11 to be labeled to the label attaching mechanism 3, and pick up and transport the product 11 after the label is attached and smoothed away from the label attaching mechanism 3. Label attaching mechanism 3, located on base 1, includes a first slide rail 32 extending along the X-axis, a first slider 33 on the first slide rail 32, a flipping mechanism 4 above the first slider 33, and a flippable product placement seat 31 on the flipping mechanism 4. When the product placement seat 31 is located at the end of the first slide rail 32 closest to the product pick-and-place mechanism 2 (i.e., Figure 1 When the label attaching mechanism 3 / right end of the first slide rail 32 is in use, the product placement seat 31 has a loading position and a smoothing position. When the product placement seat 31 is located at the end of the first slide rail 32 away from the product picking and placing mechanism 2 (i.e. Figure 1 When the label attaching mechanism 3 / the left end of the first slide rail 32 is in the middle, the product placement seat 31 has a labeling position; during operation, the first slide rail 32, the first slider 33 and the flipping mechanism 4 work together to drive the product placement seat 31 to switch between the loading position, the labeling position and the smoothing position; it can be understood that the product picking and placing mechanism 2 is used to pick up and move the product 11 to be labeled to the label attaching mechanism 3 when the product placement seat 31 is in the loading position, and pick up and transport the product 11 after the label is attached and smoothed away from the label attaching mechanism 3; The label peeling mechanism 5 is located on the base 1 and is used to peel the label off the material strip 12. The label picking and placing mechanism 6 is located on the base 1 and is used to pick up the label from the label peeling mechanism 5. When the product placement seat 31 is in the labeling position, the picked-up label is placed and affixed to the product 11 to be labeled, so as to achieve the initial adhesion between the label and the product 11. The label smoothing mechanism 7 is located on the base 1 and is used to smooth the label already attached to the product 11 when the product placement seat 31 is in the smoothing position.
[0020] In this embodiment of the invention, the product 11 to be labeled can be various electronic products, such as small and medium-sized speakers.
[0021] Corresponding to the label attaching device described above, embodiments of the present invention provide a label attaching method, such as... Figure 12 As shown, it includes: Step S100: The label attaching mechanism 3 and the flipping mechanism 4 position the product placement seat 31 at the feeding position, and the product picking and placing mechanism 2 picks up and moves the product 11 to be labeled to the product placement seat 31; Step S200: The label attaching mechanism 3 and the flipping mechanism 4 move the product placement seat 31 to the labeling position, and the label picking and placing mechanism 6 picks up the label from the label peeling mechanism 5 and places the picked-up label on the product 11 to be labeled; Step S300: The label attaching mechanism 3 and the flipping mechanism 4 move the product placement seat 31 to the smoothing position, and the label smoothing mechanism 7 smooths the label already attached to the product 11. Step S400: The label attaching mechanism 3 and the flipping mechanism 4 move the product placement seat 31 to the feeding position, and the product picking and placing mechanism 2 picks up and transports the product 11 after the label is attached and smoothed away from the product placement seat 31.
[0022] The label attaching device and label attaching method of this invention achieve perfect bonding between the speaker and the label by integrating automatic label peeling, automatic product picking and placing, attaching, smoothing and transmission between equipment stations. This meets the precise bonding requirements of small and medium-sized speakers and labels. Compared with manual label attaching, it can meet the bonding requirements of small and medium-sized speaker products and labels more quickly, stably and accurately, and can also eliminate various safety hazards in the process.
[0023] In some embodiments of the present invention, such as Figure 3 As shown, the product picking and placing mechanism 2 includes a first mounting bracket 21, a second slide rail 22 extending along the Y-axis on the first mounting bracket 21, a second slider 23 on the second slide rail 22, a third slide rail 24 extending along the Z-axis on the second slider 23, a third slider 25 on the third slide rail 24, and a product picking and placing gripper 26 on the third slider 25. Thus, through the multi-axis sliding cooperation of the second slide rail 22 along the Y-axis and the third slide rail 24 along the Z-axis, the product picking and placing gripper 26 can move flexibly in the YZ plane, realizing the multi-position action requirements of product 11 such as grasping, moving and placing.
[0024] Furthermore, the third slider 25 can also be equipped with a rotating component 27, which is connected to the product pick-and-place gripper 26. In this way, it can be used to pick up and place different types of products at different angles. The angle of the product pick-and-place gripper 26 can be adjusted as needed to better grip the product 11. In specific implementation, the product pick-and-place gripper 26 can be set to two pairs of grippers, a total of four grippers. Each pair of grippers is controlled by a cylinder, and the four grippers together hold the product 11 around its perimeter.
[0025] In some embodiments of the present invention, such as Figure 1-2As shown, a feeding mechanism is provided on the base 1, which includes a conveyor belt (not shown). A tooling (not shown) for carrying the product 11 is provided on the conveyor belt. A product pick-and-place mechanism 2 is provided above one end of the conveyor belt, and a tooling positioning mechanism 10 is provided below one end of the conveyor belt and corresponding to the product pick-and-place mechanism 2. A discharge mechanism 9 is provided at the other end of the conveyor belt. In this way, automatic feeding and discharge can be realized, improving processing efficiency. In specific implementation, the length of the tooling is greater than the width of the conveyor belt, that is, both ends of the tooling have a pair of ends protruding from the conveyor belt. The tooling positioning mechanism 10 includes a support arm 101 for pushing the pair of ends. When the tooling carrying the product 11 is conveyed to the position, the support arm 101 of the tooling positioning mechanism 10 pushes the pair of ends of the tooling upward, so that the tooling is removed from the conveyor belt, so that the product pick-and-place mechanism 2 can pick up the product 11 to be labeled from the tooling and move it to the label attaching mechanism 3, and pick up the product 11 with the label attached and smoothed from the label attaching mechanism 3 and return it to the tooling to continue to flow backward. The unloading mechanism 9 is used to remove the product 11 after the label has been affixed from the conveyor belt. Its specific structure can be built with reference to the tooling positioning mechanism 10 and the product picking and placing mechanism 2, which will not be described in detail here.
[0026] In some embodiments of the present invention, such as Figure 4-5 As shown, the flipping mechanism 4 includes a pair of support frames 41. The product placement seat 31 is rotatably connected to the pair of support frames 41 via a rotating shaft 42. A driven wheel 44 is provided at the end of the rotating shaft 42. The flipping mechanism 4 also includes a servo motor 43 (which can be specifically mounted on one of the support frames 41). The servo motor 43 drives a driving wheel 45, which is connected to the driven wheel 44 via a synchronous belt (not shown). Thus, the servo motor 43 drives the driving wheel 45, which in turn drives the driven wheel 44 at the end of the rotating shaft 42 via the synchronous belt 46, thereby causing the product placement seat 31 to flip. This allows the product placement seat 31 to be adjusted to different flipping angles, achieving precise label attachment and smoothing.
[0027] Furthermore, the label attaching mechanism 3 also includes a driven slide rail 34 arranged parallel to the first slide rail 32. A driven slider 35 is mounted on the driven slide rail 34, with one support frame 41 fixed to the first slider 33 and the other support frame 41 fixed to the driven slider 35. Thus, by having the first slide rail 32 (as the driving slide rail) and the driven slide rail 34 jointly support the flipping mechanism 4, stable mounting of the flipping mechanism 4 can be achieved, while ensuring stable movement of the flipping mechanism 4 along the X-axis. It is understood that the driven slide rail 34 and the driven slider 35 are in a driven position, eliminating the need for a separate power device to drive the driven slider 35.
[0028] It should be noted that, in this embodiment of the invention, the purpose of setting the feeding position, labeling position, and smoothing position is to reasonably arrange the product picking and placing mechanism 2, the label picking and placing mechanism 6, and the label smoothing mechanism 7 around the label attaching mechanism 3 to avoid interference, and to expose the label attaching position on the product 11 to be labeled, so that the label picking and placing mechanism 6 and the label smoothing mechanism 7 can work smoothly. Specifically, the feeding position facilitates the product picking and placing mechanism 2 to pick up and move the product 11 to be labeled to the label attaching mechanism 3. At this time, the label attaching position on the product 11 is usually located on the side of the product 11; the labeling position causes the product placement seat 31 to flip, so that the label attaching position on the product 11 is vertically upward, which is convenient for label attaching; the smoothing position causes the product placement seat 31 to flip further, so that the label attaching position on the product 11 is horizontally facing the label smoothing mechanism 7, which is convenient for label smoothing. Therefore, preferably, as Figure 1 and Figure 4 As shown, the feeding position is located on the right side of the first slide rail 32, the labeling position is located on the left end of the first slide rail 32, and the smoothing position is located on the right end of the first slide rail 32. It is conceivable that, in some cases, the feeding position and the smoothing position can be the same.
[0029] In some embodiments of the present invention, the following continues... Figure 4 As shown, the product placement seat 31 is provided with a product receiving groove 311, and the side of the product receiving groove 311 is provided with a clearance groove 3111 to expose the label affixing position on the product 11 to be labeled; the product receiving groove 311 may be provided with a stepped surface 3112, which can adapt to the shape of the product 11 to be labeled, improving the placement stability of the product 11 to be labeled in the product receiving groove 311; the side of the product receiving groove 311 may be provided with positioning posts 3113, such as... Figure 11 As shown, the product to be labeled 11 can be a speaker. The speaker has a pair of lugs 111 on its side. The positioning post 3113 can cooperate with the mounting holes 112 on the lugs 111 to further improve the placement stability of the product to be labeled 11. In addition, the product placement seat 31 can also be provided with a rotatable and retractable product pressing cylinder 312 on the side of the product receiving groove 311. The product pressing cylinder 312 is driven by a product pressing head 313. Initially, the product pressing head 313 is located above the side of the product receiving groove 311. When the product pick-and-place mechanism 2 places the product to be labeled 11 into the product receiving groove 311, the product pressing cylinder 312 drives the product pressing head 313 to rotate to the top of the product receiving groove 311 and press down to fix the product to be labeled 11, thereby ensuring that the product to be labeled 11 is placed stably.
[0030] In some embodiments of the present invention, such as Figure 7-9As shown, the label picking and placing mechanism 6 includes a second mounting bracket 61, a fourth slide rail 62 extending along the Y-axis on the second mounting bracket 61, a fourth slider 63 on the fourth slide rail 62, and a fifth slide rail 64 extending along the Z-axis on the fourth slider 63. Figure 7 The fourth slider 63 and the fifth slide rail 64 are temporarily shown in a separated state. The fifth slide rail 64 is equipped with a fifth slider 65, and the fifth slider 65 is equipped with a suction nozzle drive cylinder 66. Figure 7 The fifth slider 65 is connected to the nozzle drive cylinder 66 via a support plate (the fifth slider 65 and the support plate are shown in a temporarily separated state). The nozzle drive cylinder 66 drives the nozzle 67. In this way, through the multi-axis sliding cooperation of the fourth slide rail 62 along the Y-axis and the fifth slide rail 64 along the Z-axis, the nozzle 67 can move flexibly in the YZ plane, and the requirements for multiple positional actions such as label picking, moving, and placing are also realized.
[0031] Furthermore, such as Figure 9 As shown, the suction nozzle 67 has a suction surface 671 with several suction holes 672. Two suction holes 672 at each end of the suction surface 671 are arranged along the center line of the suction surface 671, while the suction holes 672 in the middle of the suction surface 671 are arranged along a straight line parallel to and offset from the center line by a certain distance. Experiments have verified that this specific arrangement of the suction holes 672 effectively prevents label shifting during label suction, improving label application and positioning accuracy. The number, spacing, and offset distance of the suction holes 672 from the center line can be flexibly set as needed, and will not be elaborated here. The label pick-and-place mechanism 3 and the product pick-and-place mechanism 2 can be located on opposite sides of the first slide rail 32, thus providing sufficient space on the base 1 to arrange the label pick-and-place mechanism 3 and the product pick-and-place mechanism 2, avoiding interference.
[0032] In some embodiments of the present invention, such as Figure 6-9 As shown, the label peeling mechanism 5 has a label peeling and placement area 51 (specifically, a non-stick plate) at one end near the label picking and placing mechanism 6. After the label is peeled off by the label peeling mechanism 5, it is conveyed to the label peeling and placement area 51. The label peeling mechanism 5 can be implemented using technology known in the art, which will not be described in detail here. The label picking and placing mechanism 6 is also equipped with a visual guidance mechanism 8, which is used to acquire images of the peeled label, calculate the offset of the label on the X-axis and Y-axis based on the image, and compensate the X-axis offset to the first slider 33 and the Y-axis offset to the fourth slider 63. In this way, through the cooperation of the first slider 33 and the fourth slider 63, dual-axis linkage compensation is achieved, which improves the label application accuracy. The visual guidance mechanism 8 includes a camera (not shown, but can be installed on the camera mounting bracket 81) located on the fifth slider 65 for capturing images of the peeled label. The camera adopts a flying acquisition method, which can complete image acquisition while in motion, thereby improving process efficiency.
[0033] In some embodiments of the present invention, such as Figure 7-9 As shown, the visual guidance mechanism 8 also includes a light source bracket 82 located on the fifth slider 65, and the light source bracket 82 is equipped with a light source 83 for supplementing light to the camera. This improves the clarity of image acquisition, thereby enhancing the label positioning accuracy.
[0034] In some embodiments of the present invention, the camera has a shooting waiting position and a shooting ending position, and the label picking and placing mechanism 6 has a label picking waiting position, with the shooting ending position coinciding with the label picking waiting position. Initially, the suction nozzle 67 of the label picking and placing mechanism 6 is located directly above the label to be picked up, which is the label picking waiting position. When the peeled label is ready in the peeled label placement area 51 and needs to be picked up, the visual guidance mechanism 8 moves the camera to the shooting waiting position (specifically, it can be located to the side and above the label to be photographed) through the fifth slide rail 64 and the fifth slider 65. Then, the fifth slider 65 moves, driving the camera to the shooting ending position. During this process, the camera passes directly above the label to be photographed, completing the shooting of the label. In this embodiment, the shooting ending position coincides with the label picking waiting position, so that the suction nozzle 67 can be directly driven to pick up the label after the shooting is completed, improving process efficiency.
[0035] In some embodiments of the present invention, such as Figure 1 and Figure 10 As shown, the label smoothing mechanism 7 is located on the outer side of the end of the first slide rail 32 near the product pick-and-place mechanism 2. The label smoothing mechanism 7 includes a third mounting bracket 71, on which a smoothing drive cylinder (not shown) is mounted. The smoothing drive cylinder drives and connects to a smoothing head 72. In use, after the label and product 11 are initially attached at the label attaching mechanism 3, the first slide rail 32, the first slider 33, and the flipping mechanism 4 work together to move the product placement seat 31 from the labeling position to the smoothing position, while simultaneously making the label attachment position of product 11 face the label smoothing mechanism 7. At this time, the smoothing drive cylinder drives the smoothing head 72 to smooth and squeeze the label attachment position of product 11, eliminating air bubbles and ensuring that the label is firmly bonded to product 11 with a smooth surface and no curling edges. In this way, label smoothing can be achieved well.
[0036] In practice, the smoothing head 72 can be a flexible part, such as foam or silicone, to protect the label and product from scratches. The smoothing head 72 has a smoothing surface 721, which can be a flat surface. In this way, the middle part of the smoothing surface 721 can first press against the product 11, and after the smoothing surface 721 is deformed, the other parts will successively press against the product, thereby effectively squeezing and smoothing the label and eliminating air bubbles. Figure 10The center represents the state after the smoothing surface 721 is completely pressed onto the product 11, resulting in the deformation of the smoothing surface 721. Furthermore, it is understood that, except for the driven slide rail 34 and the driven slider 35, the engagement of each slide rail and slider can be driven by an electric cylinder as the power device.
[0037] In the embodiment shown in the figure, the product picking and placing mechanism 2, label attaching mechanism 3, label peeling mechanism 5, label picking and placing mechanism 6, label smoothing mechanism 7, visual guidance mechanism 8, unloading mechanism 9, and tooling positioning mechanism 10 can be selected according to different product position requirements. The required position parameters for different products can be set and adjusted through the open touchscreen in the electronic control system and saved to the corresponding product parameter program to achieve rapid switching of product programs and precise positioning down to 0.01mm. The base 1 ensures mechanical connection positioning and allows for positioning adjustments when needed, ensuring high stability and reliability of each mechanism.
[0038] The electrical control system can be a flexible and open system, consisting of a power supply, PLC controller, electric cylinder driver, touch screen, I / O, vision guidance platform, etc. Through the touch screen configuration screen, different mechanisms can be configured with personalized settings such as working position and running speed for different products, as well as real-time status monitoring, abnormal self-diagnosis alarm, and one-click product switching. While meeting the needs of fast and accurate product handling, it also meets the personalized management or technical needs of personnel in different positions such as production, equipment, process, and quality.
[0039] The operation of the label attaching device shown in the embodiment is as follows: 1. Powering on the device and initializing the system After the equipment is powered on, the system completes self-test and initialization. Press and hold the initialization button on the HMI (Human Machine Interface) panel, and all electric cylinders, servo motors, grippers, and actuators will perform origin reset to ensure that the coordinate reference of each axis is consistent and the mechanism status is reliable.
[0040] 2. Automatic mode preparation After initialization is complete, press the auto-run button, and the system will enter automatic preparation mode: The product handling mechanism 2, visual guidance mechanism 8, label attaching mechanism 3, label smoothing mechanism 7, and unloading mechanism 9 sequentially move to the preset waiting position, waiting for the product to flow in.
[0041] 3. Product inflow and tooling precision positioning After the product 11 to be labeled is automatically transferred from the previous station to the labeling station (i.e., the station corresponding to the label attaching device of the present invention) along with the tooling, the tooling positioning mechanism 10 lifts the tooling and performs mechanical precision positioning to ensure that the product is stable in position and has reliable repeatability in the subsequent labeling process.
[0042] 4. Product gripping, transplanting, and clamping positioning (a) The product pick-up and place mechanism 2 smoothly removes the product 11 from the tooling and moves it to the product placement seat 31 of the label attaching mechanism 3; (b) The product placement seat 31 of the label attaching mechanism 3 can adopt a quick-change process. According to different product types, corresponding placement and positioning sub-tools can be installed to adapt to the attaching process of different categories of products. (c) After product 11 is placed in place, product clamping cylinder 312 performs clamping and positioning to ensure that the product posture is fixed; it moves forward with the flipping mechanism 4 to prepare for labeling.
[0043] 5. Automatic label peeling and conveying; label peeling mechanism 5 peels labels at a rate of 4 pieces per row. (a) After the label is peeled off by the label peeling mechanism 5, it is conveyed to the peeled label placement area 51; (b) The system confirms that the tag has been delivered to the correct location by using fiber optic sensor signals plus a delay. (c) Due to factors such as conveying delay and belt deviation, the actual position of the label may be offset in the X and Y directions, which needs to be compensated and corrected by the vision guidance mechanism 8.
[0044] 6. Y-axis visual aerial photography and intelligent compensation: The Y-axis of the label picking and placing mechanism 6 is equipped with a vision system (i.e., the visual guidance mechanism 8) to perform dynamic aerial photography. (a) The visual guidance mechanism 8 moves directly from the waiting position to the end position (coinciding with the waiting position for picking up the target), eliminating the traditional fixed-shot waiting time and improving the efficiency of the beat; (b) For 4pcs labels, a 2pcs interval mode is adopted. The program has a built-in vision algorithm to accurately identify the position and status of the labels to be taken. (c) After the aerial photography is completed, the system first performs OCR / appearance inspection on the label content to determine whether there are any NG (bad) items such as dirt, defects, or missing prints. If so, the label is discarded directly (and rendered invalid). (d) Compare the actual position of the label with the standard position (the standard position is the visual calibration position during debugging, which is the judgment benchmark), calculate the offset in the X / Y direction, and compensate it in real time to the target position of the X-axis of the label attaching mechanism 3 and the Y-axis of the label picking and placing mechanism 6.
[0045] 7. Precise label pickup: The label pickup and placement mechanism 6 moves to the label pickup position based on the visual positioning result. (a) The suction nozzle 67 descends along the Z-axis to the preset sampling height; (b) The two suction nozzles drive the cylinders 66 to move into position in sequence; (c) Maintain a safe gap (200μm recommended) between the nozzle 67 and the label, turn on vacuum suction, and gently adsorb the label; (d) When the negative pressure value reaches the set threshold, the sampling is considered successful; (e) After the label is taken, the suction nozzle 67 rises along the Z-axis to the avoidance position (the suction nozzle drive cylinder 66 returns to its original position) to avoid interference.
[0046] 8. Precise labeling positioning (a) The label picking and placing mechanism 6 moves to the target position according to the Y-axis compensation value; (b) The label attaching mechanism 3 carries the product 11 and moves it to the attaching target position according to the X-axis compensation value; high-precision labeling is achieved through dual-axis linkage compensation.
[0047] 9. Labeling Operation (a) The fifth slider 65 on the label picking and placing mechanism 6 descends along the Z-axis to the attachment position; (b) The suction nozzle 67 closes the vacuum and turns on the air blowing to accurately attach the label to the designated area on the surface of the product 11; (c) After the label is attached, turn off the air supply and the fifth slider 65 moves back along the Z-axis to make way; (d) The label attaching mechanism 3 returns to the product pick-up position, and the flipping mechanism 4 flips and resets (that is, in the embodiment shown in the figure, the loading position and the smoothing position are the same).
[0048] 10. Smooth and compact the label. The label smoothing mechanism has 7 actions to roll / smooth the attached label, remove air bubbles, and ensure that the label is firmly bonded to the product and that the surface is flat without any curling edges.
[0049] 11. Product return to tooling and release at the workstation (a) The product pick-up and place mechanism 2 takes out the labeled product 11 and transfers it back to the original tooling; (b) The tooling positioning mechanism 10 descends and releases the tooling, allowing it to move to the next workstation.
[0050] 12. Finished product unloading and output The tooling is automatically transferred to the unloading station, where the unloading mechanism 9 removes the finished product from the tooling and completes the unloading process, allowing the equipment to enter the next cycle.
[0051] During the above process, if the visual guidance label offset compensation exceeds the limit or a character recognition error occurs, the label will be automatically discharged to the label discharge area. If the continuous discharge exceeds the set quantity, the equipment will alarm and require manual confirmation. This equipment realizes automatic product attachment and transfer, saving 3 people's manpower after on-site implementation.
[0052] In summary, the label attaching device and method of this invention achieve perfect bonding between the speaker and the label by integrating automatic label peeling, automatic product picking and placing, visual guidance positioning, attaching, smoothing, unloading, and transmission between equipment stations. This meets the precise bonding requirements of small and medium-sized speakers and labels. Compared with manual label attaching, it can meet the bonding requirements of small and medium-sized speaker products and labels more quickly, stably, and accurately, and can also eliminate various safety hazards in the process.
[0053] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.
[0054] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.
[0055] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the 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.
[0056] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims
1. A label attaching device, characterized in that, include: Base; The product pick-and-place mechanism is located on the base and is used to pick up and move the product to be labeled to the label attaching mechanism, and pick up and transport the product after the label is attached and smoothed away from the label attaching mechanism. A label attaching mechanism is provided on the base. The label attaching mechanism includes a first slide rail extending along the X-axis, a first slider on the first slide rail, a flipping mechanism above the first slider, and a flip-up product placement seat on the flipping mechanism. When the product placement seat is located at the end of the first slide rail near the product pick-and-place mechanism, the product placement seat has a feeding position and a smoothing position. When the product placement seat is located at the end of the first slide rail away from the product pick-and-place mechanism, the product placement seat has a label attaching position. A label peeling mechanism, located on the base, is used to peel labels off the material strip; A label picking and placing mechanism is provided on the base for picking up a label from the label peeling mechanism and placing the picked-up label onto the product to be labeled when the product placement seat is in the labeling position. A label smoothing mechanism is provided on the base for smoothing the labels already attached to the product when the product placement seat is in the smoothing position.
2. The label attaching device according to claim 1, characterized in that, The product picking and placing mechanism includes a first mounting bracket, a second slide rail extending along the Y-axis on the first mounting bracket, a second slider on the second slide rail, a third slide rail extending along the Z-axis on the second slider, a third slider on the third slide rail, and a product picking and placing gripper on the third slider.
3. The label attaching device according to claim 2, characterized in that, The third slider is provided with a rotating component, which is connected to the product pick-and-place gripper. And / or, the base is provided with a feeding mechanism, the feeding mechanism includes a conveyor belt, the conveyor belt is provided with tooling for carrying products, a product picking and placing mechanism is provided above one end of the conveyor belt, a tooling positioning mechanism is provided below one end of the conveyor belt and corresponding to the product picking and placing mechanism, and a unloading mechanism is provided at the other end of the conveyor belt.
4. The label attaching device according to claim 1, characterized in that, The flipping mechanism includes a pair of support frames, and the product placement seat is rotatably connected to the pair of support frames via a rotating shaft. The end of the rotating shaft is provided with a driven wheel. The flipping mechanism also includes a servo motor, which drives a driving wheel. The driving wheel and the driven wheel are connected via a synchronous belt.
5. The label attaching device according to claim 4, characterized in that, The label attaching mechanism also includes a driven slide rail arranged parallel to the first slide rail. The driven slide rail is provided with a driven slider, one of which is fixed to the first slider and the other is fixed to the driven slider.
6. The label attaching device according to claim 4, characterized in that, The product placement base is provided with a product receiving slot, wherein: The product receiving slot is provided with a clearance groove on its side; And / or, the product receiving groove is provided with a stepped surface; And / or, the side of the product receiving slot is provided with a positioning post; And / or, the side of the product receiving slot is provided with a rotatable and retractable product pressing cylinder, and the product pressing cylinder is driven and connected to a product pressing head.
7. The label attaching device according to any one of claims 1-6, characterized in that, The label picking and placing mechanism includes a second mounting bracket, a fourth slide rail extending along the Y-axis on the second mounting bracket, a fourth slider on the fourth slide rail, a fifth slide rail extending along the Z-axis on the fourth slider, a fifth slider on the fifth slide rail, and a suction nozzle driving cylinder on the fifth slider, the suction nozzle driving cylinder driving a suction nozzle connected to it.
8. The label attaching device according to claim 7, characterized in that, The label peeling mechanism has a label placement area at one end near the label picking and placing mechanism; the label picking and placing mechanism is also provided with a visual guidance mechanism, which is used to acquire images of the peeled label, calculate the offset of the label on the X-axis and Y-axis based on the images, and compensate the X-axis offset to the first slider and the Y-axis offset to the fourth slider. The visual guidance mechanism includes a camera located on the fifth slider for capturing images of the peeled label.
9. The label attaching device according to claim 8, characterized in that, The nozzle has a suction surface, and the suction surface is provided with a plurality of suction holes. Two suction holes located at both ends of the suction surface are arranged along the center line of the suction surface, and the suction holes located in the middle of the suction surface are arranged along a straight line parallel to and deviating from the center line by a certain distance. And / or, the visual guidance mechanism further includes a light source bracket disposed on the fifth slider, the light source bracket being provided with a light source for supplementing light to the camera; And / or, the camera has a shooting wait position and a shooting end position, the tag picking and placing mechanism has a tag picking wait position, and the shooting end position coincides with the tag picking wait position; And / or, the label smoothing mechanism is located on the outer side of one end of the first slide rail near the product pick-and-place mechanism, the label smoothing mechanism includes a third mounting bracket, the third mounting bracket is provided with a smoothing drive cylinder, and the smoothing drive cylinder is driven to connect a smoothing head.
10. A method for affixing labels using any one of the label affixing apparatuses according to claims 1-9, characterized in that, include: The label attaching mechanism and the flipping mechanism position the product placement seat at the feeding position, and the product picking and placing mechanism picks up and moves the product to be labeled to the product placement seat. The label attaching mechanism and the flipping mechanism move the product placement seat to the labeling position, and the label picking and placing mechanism picks up the label from the label peeling mechanism and places the picked-up label on the product to be labeled; The label attaching mechanism and the flipping mechanism move the product placement seat to the smoothing position, and the label smoothing mechanism smooths the label already attached to the product. The label attaching mechanism and the flipping mechanism move the product placement seat to the feeding position, and the product picking and placing mechanism picks up and transports the product after the label is attached and smoothed away from the product placement seat.