Automatic labeling machine for trays

Abstract

The invention relates to an automatic labeling machine for trays. The automatic labeling machine comprises a rack, a feeding mechanism, a conveying mechanism, a transferring mechanism and a label printing mechanism, the feeding mechanism is arranged at one end of the rack and comprises a base, a rotating disc, a driving part, a stock bin and a vertical jacking part. A label printing mechanism used for printing label paper is arranged on the side portion of the machine frame, a conveying mechanism used for conveying material trays and a transferring mechanism used for transferring the material trays on the feeding mechanism to the conveying mechanism are arranged on the upper portion of the machine frame, and the conveying mechanism is arranged in the middle of the upper portion of the machine frame. The transferring mechanism is arranged on the side portion of the conveying mechanism. The automatic feeding device has the advantages of being high in automation degree, high in feeding efficiency and the like, feeding is convenient and fast through the rotating disc type stock bin, feeding can be conducted without stopping, the grabbing robot is used for carrying products, printed labels can be taken for labeling the products, visual positioning is achieved, the coverage range is wide, material taking and discharging are accurate, and the products are not damaged.

Description

Technical Field

[0001] The invention relates to the technical field of automation equipment, and in particular to an automatic tray labeling machine. Background Art

[0002] In modern industrial production, the demand for identification and tracking of various products is growing. Take trays as an example. In many industries such as electronics, medicine, and food, trays are important carriers for material storage and transportation. They need to be accurately labeled to record key data such as product information, batches, and production dates to facilitate production management, quality traceability, and logistics distribution. At present, in the labeling operation of trays, some companies still use manual labeling. Manual labeling is not only inefficient and difficult to meet the needs of large-scale production, but also prone to problems such as inaccurate labeling position, skewed labels, and missing labels due to human factors, which seriously affects the quality of product identification and subsequent management processes. In addition, in the labeling process, manual participation in code scanning and detection, manual loading, and other links are still required. The loading speed is slow and the degree of automation is limited. It is impossible to achieve efficient operation of the entire process, which increases additional labor costs and is not conducive to the development of the company. Summary of the invention

[0003] Based on this, it is necessary to provide an automatic tray labeling machine to solve the current problems of manual product picking and placing, code scanning and manual labeling, which leads to time-consuming and labor-intensive production, low labeling efficiency, slow loading speed, etc., improve labeling efficiency and reduce labor costs.

[0004] The technical solution of the present invention to solve the above technical problems is as follows: an automatic tray labeling machine, comprising: a frame, a feeding mechanism, a transmission mechanism, a transfer mechanism, and a label printing mechanism;

[0005] The feeding mechanism is arranged at one end of the frame, and the feeding mechanism includes a base, a turntable arranged on the upper part of the base, a driving member arranged at the bottom of the turntable for driving the turntable to rotate, a plurality of material bins arranged in a circular array on the upper part of the turntable, and a vertical lifting member arranged on the base near one end of the frame; a label printing mechanism for printing label paper is provided on the side of the frame, a conveying mechanism for conveying a material tray, a transfer mechanism for transferring the material tray on the feeding mechanism to the conveying mechanism and for sticking the label paper printed by the label printing mechanism on the surface of the material tray is provided on the upper part of the frame, the conveying mechanism is arranged in the middle of the upper part of the frame, and the transfer mechanism is arranged on the side of the conveying mechanism.

[0006] In one embodiment, a plurality of avoidance positions are provided on the outer side of the turntable, and the material bin includes magnets and a plurality of limit posts arranged around the avoidance positions, and the avoidance positions correspond to the material bins one by one.

[0007] In one embodiment, the vertical lifting component includes a support plate, a slide rail arranged on the side of the support plate close to the silo, a slider slidably connected to the slide rail, a lifting plate fixedly connected to the slider, a driving motor arranged on the side of the slide rail for driving the slider to slide up and down, and a driving protection chain fixed on the support plate for protecting the slider.

[0008] In one embodiment, the feeding mechanism also includes a camera light source assembly, which includes a first mounting bracket, a first camera and a first light source; the first mounting bracket is fixed to the upper part of the base and is located outside the turntable, the first camera and the first light source are fixed on the first mounting bracket in sequence, the first light source is located below the first camera, and the first camera is located directly above the lifting plate.

[0009] In one embodiment, the conveying mechanism includes a support frame arranged at equal intervals on the upper end of the frame, a conveyor belt fixed on the support frame, and a conveying motor fixed to the end of the side wall of the conveyor belt.

[0010] In one embodiment, the transfer mechanism includes a grasping robot, a material tray suction cup, a label paper suction cup and a robot control cabinet; the bottom of the grasping robot is fixed to one end of the upper part of the frame close to the feeding mechanism, the material tray suction cup and the label paper suction cup are both arranged at the upper end of the grasping robot, and the robot control cabinet is arranged inside the frame for controlling the working state of the grasping robot.

[0011] In one embodiment, the label printing mechanism includes a chassis, a printer for printing label paper, and a receiving bracket for storing printed labels, the printer is fixed on the upper part of the chassis, the label receiving bracket is fixed on the upper part of the frame, the label outlet of the printer is arranged on a side close to the label receiving bracket, and the label receiving bracket is located below the label outlet.

[0012] In one embodiment, it also includes a code scanning component arranged on the upper part of the frame, the code scanning component includes a second mounting bracket and a code scanning gun, the second mounting bracket is fixed to the upper end of the frame, the code scanning gun is fixed on the second mounting bracket and is located above the conveying mechanism.

[0013] In one embodiment, it also includes a visual inspection component for detecting the appearance of the material tray, and the visual light source component is arranged on the side of the upper end of the frame away from the feeding mechanism; the visual inspection component includes a third mounting bracket, a second camera, a light source bracket and a second light source installed on the light source bracket, and the light source bracket and the second light source are provided on both sides of the conveyor belt, the third mounting bracket is fixed on the upper end of the frame, and the second camera is fixed on the third mounting bracket and is located above the middle of the two light source brackets.

[0014] In one embodiment, a control box is further included, and the control box is arranged on the upper end surface of the frame.

[0015] The beneficial effects of the present invention are as follows: the present invention provides an automatic tray labeling machine, which, by configuring the feeding mechanism to be a turntable with multiple material bins on the turntable, enables the feeding mechanism to rotate and load materials, and the loading is convenient and quick, and the material tray can be loaded into the feeding mechanism without stopping the machine, thereby improving the loading efficiency; by configuring a grasping robot to transfer the material tray on the loading mechanism to the conveying mechanism, and the grasping robot can also stick the label paper printed in the label printing mechanism to the material tray, thereby realizing automatic labeling and improving the efficiency and accuracy of labeling, and utilizing the grasping robot for labeling, through visual positioning, so that the coverage range is wide, and the material is picked up and placed accurately without damaging the product, which is of great significance for improving production efficiency, reducing labor costs, and ensuring product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of an automatic tray labeling machine according to an embodiment of the present invention;

[0018] Figure 2 It is a structural schematic diagram of a feeding mechanism according to an embodiment of the present invention;

[0019] Figure 3 It is a structural schematic diagram of a vertical lifting component according to an embodiment of the present invention;

[0020] Figure 4 A schematic diagram of the structure of a transfer mechanism according to an embodiment of the present invention;

[0021] Figure 5 This is a schematic diagram of the structure of the automatic tray labeling machine in another direction according to one embodiment of the present invention;

[0022] Figure 6 for Figure 5 Enlarged view of part A in the middle.

[0023] In the attached drawings, 10, automatic labeling machine for material trays; 100, frame; 200, feeding mechanism; 210, base; 220, turntable; 221, avoidance position; 230, silo; 231, magnet; 232, limit column; 240, vertical lifting component; 241, support plate; 242, slide rail; 243, slider; 244, lifting plate; 245, drive motor; 246, drive protection chain; 250, camera light source assembly; 251, first mounting bracket; 252, first camera; 253, first light source; 300, transmission mechanism; 310, support Support frame; 320, conveyor belt; 330, conveying motor; 400, transfer mechanism; 410, grasping robot; 420, material tray suction cup; 430, label paper suction cup; 500, label printing mechanism; 510, chassis; 520, printer; 521, label outlet; 530, label receiving bracket; 600, code scanning component; 610, second mounting bracket; 620, code scanning gun; 700, visual detection component; 710, third mounting bracket; 720, second camera; 730, light source bracket; 740, second light source; 800, control box. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly understood.

[0025] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0027] In one embodiment, Figures 1 to 6As shown, an automatic tray labeling machine 10 includes: a frame 100, a feeding mechanism 200, a conveying mechanism 300, a transfer mechanism 400, and a label printing mechanism 500; the feeding mechanism 200 is arranged at one end of the frame 100, and the feeding mechanism 200 includes a base 210, a turntable 220 arranged on the upper part of the base 210, a driving member arranged at the bottom of the turntable 220 for driving the turntable 220 to rotate, a plurality of material bins 230 arranged in a circular array on the upper part of the turntable 220, and a vertical hopper 230 arranged at one end of the base 210 near the frame 100. A straight lifting component 240; a label printing mechanism 500 for printing label paper is provided on the side of the frame 100, and a conveying mechanism 300 for conveying a material tray, a transfer mechanism 400 for transferring the material tray on the loading mechanism 200 to the conveying mechanism 300 and for sticking the label paper printed by the label printer 520 on the surface of the material tray is provided on the upper part of the frame 100, the conveying mechanism 300 is arranged in the middle of the upper part of the frame 100, and the transfer mechanism 400 is arranged on the side of the conveying mechanism 300.

[0028] In this embodiment, a feeding mechanism 200 is provided at one end of the frame 100, and a driving member and a turntable 220 in the feeding mechanism 200 are provided on a base 210, and a protective cover is provided on the outer side of the turntable 220 to prevent the staff from accidentally touching the rotating turntable 220 and causing injury; under the action of the driving member, a plurality of bins 230 on the turntable 220 will rotate synchronously with the turntable 220, and the bins 230 will be lifted up from the bottom of the bins 230 through a vertical top member, so as to facilitate the feeding of the bins in the feeding mechanism 200 through the setting The transfer mechanism 400 at the upper end of the frame 100 is transported to the conveying mechanism 300 at the upper end of the frame 100. When the material tray in one silo 230 is lifted up by the vertical lifting component 240, the material tray can be placed in other silos 230, thereby realizing non-stop loading and improving loading efficiency; and the transfer mechanism 400 can also absorb the label paper printed by the label printing mechanism 500 and stick it to the material tray. In this way, automatic labeling can be achieved, reducing the occurrence of wrong labeling, missing labeling, etc., improving labeling efficiency, and reducing labor costs.

[0029] In one embodiment, a plurality of avoidance positions 221 are disposed on the outer side of the rotating disk 220, and the material bin 230 includes a magnet 231 and a plurality of limit posts 232 disposed around the avoidance positions 221, and the avoidance positions 221 correspond to the material bin 230 one by one. Figure 2As shown, four avoidance positions 221 recessed from the side walls of the turntable 220 toward the center are provided on the turntable 220, and the four avoidance positions 221 are distributed in a cross shape on the turntable 221, and are used for the vertical lifting component 240 to extend into the avoidance positions 221 to lift the material tray upward; magnets 231 and a plurality of limiting columns 232 arranged around the avoidance positions 221 constitute a silo 230, and the arrangement of the plurality of limiting columns 232 is the same as the arrangement of the holes reserved on the material tray, so that the silo 230 can store material trays of different sizes; the silo 230 corresponds to the avoidance positions 221 one by one, that is, the number and position of the silo 230 are the same as those of the avoidance positions 221, and the material tray is provided with limiting holes, and when the limiting holes penetrate the limiting columns 232, they can be directly attracted by the magnets 231 on the turntable 220, thereby reducing the difficulty of loading.

[0030] In one embodiment, the vertical lifting component 240 includes a support plate 241, a slide rail 242 disposed on the side of the support plate 241 close to the silo 230, a slider 243 slidably connected to the slide rail 242, a lifting plate 244 fixedly connected to the slider 243, a driving motor 245 disposed on the side of the slide rail 242 for driving the slider 243 to slide up and down, and a driving protection chain 246 fixed on the support plate 241 for protecting the slider 243. Specifically, as Figure 3 As shown, the support plate 241 in the vertical lifting component 240 is fixed to one end of the base 210 close to the frame 100, and the side of the support plate facing away from the frame 100 is provided with a slide rail 242, a slider 243, a lifting plate 244 and a driving motor 245. The slide rail 242 is vertically arranged in the middle of the side of the support plate 241, and a screw rod is arranged on the rear side of the slide rail 242. The slider 243 is sleeved on the slide rail 242 and connected to the screw rod. The driving motor 245 is arranged on the side of the slide rail 242 and is rotatably connected to the screw rod. Under the action of the driving motor 245, the screw rod is driven to rotate, thereby driving the slider 243 to move in the vertical direction. A lifting plate 244 is fixed on the slider 243, and the lifting plate 244 is used to lift the material tray in the silo 230; the size of the lifting plate 244 is smaller than the size of the avoidance position 221, so that the lifting plate 244 can pass through the avoidance position 221; a driving protection chain 246 is also provided on one side of the slide rail 242, and the driving protection chain 246 is fixed on the support plate 241 and fixedly connected to the slider 243, so as to prevent the slider 243 from overloading and accurately control the stop position of the slider 243.

[0031] In one embodiment, the feeding mechanism 200 further includes a camera light source assembly 250, and the camera light source assembly 250 includes a first mounting bracket 251, a first camera 252, and a first light source 253; the first mounting bracket 251 is fixed to the upper part of the base 210 and is located outside the turntable 220, the first camera 252 and the first light source 253 are fixed to the first mounting bracket 251 in sequence, the first light source 253 is located below the first camera 252, and the first camera 252 is located directly above the lifting plate 244. Specifically, as Figure 1 and Figure 2 As shown, in order to improve the accuracy of the transfer mechanism 400 in grasping the material tray, a camera light source assembly 250 is also provided in the loading mechanism 200, and the first mounting bracket 251 in the camera light source assembly 250 includes a first vertical rod and a first cross bar, the bottom of the first vertical rod is fixed to the upper end surface of the base 210, the first cross bar is fixed to the upper part of the first vertical rod, the first camera 252 and the first light source 253 are arranged in sequence from top to bottom at the end of the first cross bar away from the first vertical rod. In this embodiment, the first camera 252 is a CCD camera, and the first light source 253 is an annular light source. By arranging the first camera 252 and the first light source 253 directly above the lifting plate 244, the position and appearance information of the material tray are collected, so that the transfer mechanism 400 can accurately locate the position of the material tray and realize accurate material removal and placement without damaging the product.

[0032] In one embodiment, the conveying mechanism 300 includes a support frame 310 arranged at equal intervals on the upper end of the frame 100, a conveyor belt 320 fixed on the support frame 310, and a conveyor motor 330 fixed to the end of the side wall of the conveyor belt 320. Figure 1 and Figure 5 As shown, the conveying mechanism 300 is arranged at the middle of the upper end surface of the frame 100 along the length direction of the frame 100, and the conveying assembly includes a conveyor belt 320, a support frame 310 for supporting the conveyor belt 320, and a conveying motor 330 for driving the conveyor belt 320 to rotate, the support frames 310 are arranged at equal intervals on the upper end surface of the frame 100, the conveyor belt 320 is ringed on the support frame 310, and the conveying motor 330 is arranged at the end of the side wall of the conveyor belt 320 and is rotatably connected to the driving shaft of the conveyor belt 320, and the conveyor belt 320 is driven to rotate by the conveying motor 330; the material tray is conveyed to the labeling position by the conveying mechanism 300, which can realize continuous conveying of the product, so that the transfer mechanism 400 can perform labeling operations uninterruptedly, which greatly improves production efficiency.

[0033] In one embodiment, the transfer mechanism 400 includes a grabbing robot 410, a material tray suction cup 420, a label paper suction cup 430, and a robot control cabinet; the bottom of the grabbing robot 410 is fixed to one end of the upper part of the frame 100 close to the feeding mechanism 200, the material tray suction cup 420 and the label paper suction cup 430 are both arranged at the upper end of the grabbing robot 410, and the robot control cabinet is arranged inside the frame 100 for controlling the working state of the grabbing robot 410. Specifically, as Figure 1 and Figure 4 As shown, the transfer mechanism 400 is arranged on a side of the upper end surface of the frame 100 close to the feeding mechanism 200; the bottom of the grasping robot 410 is fixed to the upper part of the frame 100, and is connected to the robot control cabinet arranged inside the frame 100, and the material tray suction cup 420 and the label paper suction cup 430 are both arranged on the upper end of the grasping robot 410, the material tray suction cup 420 includes a first adjustment groove and a first suction nozzle arranged in the first adjustment groove, and the label paper suction cup 430 includes a connecting plate fixed at one end of the end of the grasping robot 410, a second adjustment groove arranged at the other end of the connecting plate, and a second suction nozzle arranged in the second adjustment groove, and the first suction nozzle and the second suction nozzle are both connected to the vacuum generator fixed at the upper end of the frame 100. In this embodiment, the grasping robot 410 is a Zu 7 six-axis robot produced by JEKA Corporation. The grasping robot 410 can transfer material trays and label them, and visual positioning can be applied to make the grasping robot 410 have a wide grasping coverage range and accurately pick up and place materials. The material tray is sucked by the first suction nozzle to reduce damage to the material tray.

[0034] In one embodiment, the label printing mechanism 500 includes a chassis 510, a printer 520 for printing label paper, and a receiving bracket 530 for storing printed labels, wherein the printer 520 is fixed to the upper part of the chassis 510, the label receiving bracket 530 is fixed to the upper part of the frame 100, and the label outlet 521 of the printer 520 is arranged on a side close to the label receiving bracket 530, and the label receiving bracket 530 is located below the label outlet 521. Specifically, as Figure 5 and Figure 6As shown, the chassis 510 is arranged on the side of the outside of the frame 100 opposite to the transfer mechanism 400, and a printer 520 is fixed on the upper end face of the chassis 510, and labels are printed by the printer 520, and the label outlet 521 of the printing frame faces the frame 100; the label receiving bracket 530 is fixed on the side of the upper end face of the frame 100 close to the chassis 510, and a receiving cylinder and a receiving table are provided on the label receiving bracket 530, and the receiving table is fixedly connected to the output end of the receiving cylinder, and the receiving table is controlled by the receiving cylinder to move to the bottom of the label outlet 521 to receive the label paper printed by the printer 520, and the label paper suction cup 430 controlled by the grasping robot 410 picks up the label on the receiving table and sticks it on the material tray.

[0035] In one embodiment, it also includes a code scanning component 600 disposed on the upper part of the frame 100, the code scanning component 600 includes a second mounting bracket 610 and a code scanning gun 620, the second mounting bracket 610 is fixed to the upper end of the frame 100, the code scanning gun 620 is fixed on the second mounting bracket 610, and is located above the conveying mechanism 300. Specifically, the code scanning component 600 is arranged behind the transfer mechanism 400 to the position where the material tray is located at the conveyor belt 320, the bottom of the second mounting bracket 610 is fixed on the upper end surface of the frame 100 and is located on the side of the conveyor belt 320, the second mounting bracket 610 is a "7"-shaped bracket, the end of the second mounting bracket 610 is located above the conveyor belt 320, and the code scanning gun 620 is fixed at the end of the second mounting bracket 610. The basic information of the material tray, such as the name, model, specifications and other basic information of the product, is queried through the code scanning component 600, and the inspector compares it with the actual situation of the product to ensure that the product is consistent with the label.

[0036] In one embodiment, it also includes a visual inspection component 700 for detecting the appearance of the material tray, and the visual light source component is arranged on the side of the upper end of the frame 100 away from the feeding mechanism 200; the visual inspection component 700 includes a third mounting bracket 710, a second camera 720, a light source bracket 730 and a second light source 740 installed on the light source bracket 730, and the light source bracket 730 and the second light source 740 are provided on both sides of the conveyor belt 320, the third mounting bracket 710 is fixed on the upper end of the frame 100, and the second camera 720 is fixed on the third mounting bracket 710, and is located above the middle of the two light source brackets 730. Specifically, the visual inspection component 700 is arranged at one end of the upper end of the frame 100 away from the feeding mechanism 200, the number of the light source bracket and the second light source are both two, the light source bracket 730 is respectively arranged on both sides of the conveyor belt 320, and the light source bracket 730 on both sides of the conveyor belt 320 is provided with a second light source 740, and the second light source 740 is a strip light source; the bottom of the third mounting bracket 710 is fixed to a corner of the upper end surface of the frame 100, the structure of the third mounting bracket 710 is the same as that of the first mounting bracket 251, and the second camera 720 is installed at the end of the third mounting bracket 710 and is located between the two light source brackets 730. In this embodiment, the second camera 720 is a CCD camera, and the visual inspection component 700 detects the position of the material tray on the conveyor belt 320 and the appearance information of the material tray, so that the grasping robot 410 can accurately attach the label to the material tray, and can also detect products with defects in appearance, remove unqualified products, and improve the quality of products.

[0037] In one embodiment, a control box 800 is further included, and the control box 800 is arranged on the upper end surface of the frame 100. Specifically, the control box 800 is provided with control programs of various motors, cylinders and the grasping robot 410, and the control box 800 is arranged at a corner outside the frame 100. The control box 800 is connected with the driving member, the driving motor 245, the conveying motor 330, the printer 520, the receiving cylinder, the camera light source assembly 250 and the visual detection assembly 700, and is used to control the working state of the above-mentioned components.

[0038] The working method of the present invention is as follows: start the automatic tray labeling machine 10, load the tray into each bin 230 on the turntable 220, the lifting plate 244 in the loading mechanism 200 can hold up a tray in a bin 230, detect the position and size of the relevant tray through the camera light source component 250, adjust the position of the first suction nozzle on the first adjustment slot to adapt to the size of the tray, move the tray suction cup 420 to the tray through the grasping robot 410, the tray suction cup 420 sucks the tray and transfers it to the conveyor belt 320; then the grasping robot 410 moves to the position of the label receiving bracket 530 to absorb the printed label paper, when the tray on the conveyor belt 320 moves to the position of the visual detection component 700, the labeling position is determined by the visual detection component 700, the grasping robot 410 moves to stick the label paper to the surface of the tray, and then the grasping robot 410 resets to the material picking position to complete a cycle. When the material tray moves on the conveyor belt 320, it passes through the code scanning component 600. The code scanning gun 620 on the code scanning component 600 scans the QR code or barcode on the material tray to determine the basic information of the material tray to prevent products of different batches and specifications from being mixed together.

[0039] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0040] The above-described implementation only expresses one implementation of the present application, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the invention patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present application, which all belong to the protection scope of the present application. Therefore, the protection scope of the patent of this application shall be based on the attached claims.

Claims

1. An automatic tray labeling machine, characterized in that: include: Frame, feeding mechanism, transmission mechanism, transfer mechanism, label printing mechanism; The feeding mechanism is arranged at one end of the frame, and the feeding mechanism includes a base, a turntable arranged on the upper part of the base, a driving member arranged at the bottom of the turntable for driving the turntable to rotate, a plurality of material bins arranged in a circular array on the upper part of the turntable, and a vertical lifting member arranged on the base near one end of the frame; a label printing mechanism for printing label paper is provided on the side of the frame, a conveying mechanism for conveying a material tray, a transfer mechanism for transferring the material tray on the feeding mechanism to the conveying mechanism and for sticking the label paper printed by the label printing mechanism on the surface of the material tray is provided on the upper part of the frame, the conveying mechanism is arranged in the middle of the upper part of the frame, and the transfer mechanism is arranged on the side of the conveying mechanism.

2. The automatic tray labeling machine according to claim 1, characterized in that: A plurality of avoidance positions are arranged on the outer side of the turntable, and the material bin comprises magnets and a plurality of limit columns arranged around the avoidance positions, and the avoidance positions correspond to the material bins one by one.

3. The automatic tray labeling machine according to claim 2, characterized in that: The vertical lifting component includes a support plate, a slide rail arranged on the side of the support plate close to the silo, a slider slidably connected to the slide rail, a lifting plate fixedly connected to the slider, a drive motor arranged on the side of the slide rail for driving the slider to slide up and down, and a drive protection chain fixed on the support plate for protecting the slider.

4. The automatic tray labeling machine according to claim 3, characterized in that: The feeding mechanism also includes a camera light source assembly, which includes a first mounting bracket, a first camera and a first light source; the first mounting bracket is fixed to the upper part of the base and is located outside the turntable, the first camera and the first light source are fixed on the first mounting bracket in sequence, the first light source is located below the first camera, and the first camera is located directly above the lifting plate.

5. The automatic tray labeling machine according to claim 1, characterized in that: The conveying mechanism comprises a supporting frame arranged at equal intervals on the upper end of the frame, a conveying belt fixed on the supporting frame, and a conveying motor fixed on the end of the side wall of the conveying belt.

6. The automatic tray labeling machine according to claim 1, characterized in that: The transfer mechanism includes a grasping robot, a material tray suction cup, a label paper suction cup and a robot control cabinet; the bottom of the grasping robot is fixed to one end of the upper part of the frame close to the feeding mechanism, the material tray suction cup and the label paper suction cup are both arranged at the upper end of the grasping robot, and the robot control cabinet is arranged inside the frame for controlling the working state of the grasping robot.

7. The automatic tray labeling machine according to claim 1, characterized in that: The label printing mechanism includes a chassis, a printer for printing label paper, and a receiving bracket for storing printed labels. The printer is fixed on the upper part of the chassis, the label receiving bracket is fixed on the upper part of the frame, the label outlet of the printer is arranged on a side close to the label receiving bracket, and the label receiving bracket is located below the label outlet.

8. The automatic tray labeling machine according to claim 1, characterized in that: It also includes a code scanning component arranged on the upper part of the frame, the code scanning component includes a second mounting bracket and a code scanning gun, the second mounting bracket is fixed to the upper end of the frame, the code scanning gun is fixed on the second mounting bracket and is located above the conveying mechanism.

9. The automatic tray labeling machine according to claim 1, characterized in that: It also includes a visual inspection component for detecting the appearance of the material tray, and the visual light source component is arranged on the side of the upper end of the frame away from the feeding mechanism; the visual inspection component includes a third mounting bracket, a second camera, a light source bracket and a second light source installed on the light source bracket, and the light source bracket and the second light source are provided on both sides of the conveyor belt, the third mounting bracket is fixed on the upper end of the frame, and the second camera is fixed on the third mounting bracket and is located above the middle of the two light source brackets.

10. The automatic tray labeling machine according to claim 1, characterized in that: It also includes a control box, which is arranged on the upper end surface of the frame.

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