Labeling machine

Abstract

The labeling machine comprises a movable base, a conveying assembly, a receiving roller, a traction roller, a lifting seat, a mounting seat, a discharging disc, a tensioning assembly, a labeling assembly, a first driving device, a second driving device and a third driving device, the conveying assembly is installed on the top face of the movable base and used for conveying products, a fixing rod is arranged on the top face of the movable base, the lifting base is installed on the fixing rod in a vertically movable mode and provided with an installation column, and the first driving device is used for driving the lifting base to move vertically. The labeling machine provided according to the content solves the problems that in the labeling process of a labeling machine in the prior art, due to the fact that a label belt is loosened or collapsed, label pasting is skewed and deviated, and labeling efficiency and labeling quality are affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to label pasting technical field especially relates to a labeling machine. BACKGROUND

[0002] The working principle of the labeling machine is based on the synergistic effect of key components such as sensors, drive wheels, stripping plates and labeling rollers. When the sensor detects the signal that the object to be labeled is ready to be labeled, the drive wheel starts to rotate, and the reel label is in a tension state on the device. With the bottom paper closely attached to the stripping plate to change the direction of operation, the label is forced to detach from the front end due to its own material having a certain stiffness, preparing for labeling. At this time, the labeling object is just located below the label, and under the action of the labeling roller, the label is evenly and smoothly pasted on the object to be labeled. After labeling, the sensor under the reel label sends a signal to stop running, and the drive wheel is stationary, ending a labeling cycle.

[0003] However, the labeling machine in the prior art has the phenomenon of label tape loosening or sagging during labeling, which causes the label to be pasted obliquely and offset, affecting the labeling efficiency and labeling quality. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a labeling machine, solving the problem of the labeling machine in the prior art, which has the phenomenon of label tape loosening or sagging during labeling, causing the label to be pasted obliquely and offset, affecting the labeling efficiency and labeling quality.

[0005] To achieve this purpose, the utility model adopts the following technical scheme:

[0006] A labeling machine, comprising a mobile base, a conveying assembly, a material receiving roller, a traction roller, a lifting seat, a mounting seat, a material feeding disc, a tensioning assembly, a labeling assembly, a first driving device, a second driving device and a third driving device;

[0007] The conveying assembly is installed on the top surface of the mobile base, and the conveying assembly is used for conveying products. The top surface of the mobile base is provided with a fixing rod, and the lifting seat is movably installed on the fixing rod. The lifting seat is provided with a mounting column, and the first driving device is used for driving the lifting seat to move up and down.

[0008] The mounting seat is movably installed on the mounting column, and the second driving device is used for driving the mounting seat to move forward and backward. The material feeding disc is installed on the upper left side of the mounting seat, and the material feeding disc is provided with a mounting strip. The material receiving roller and the traction roller are rotatably installed on the mounting seat. The third driving device is used for synchronously driving the material receiving roller and the traction roller to rotate.

[0009] The tensioning assembly comprises a first tensioning roller, a second tensioning roller, a third tensioning roller, a fourth tensioning roller, a fifth tensioning roller and a pressing roller.

[0010] The first tensioning roller is mounted on the mounting strip and located above the mounting seat, the second tensioning roller, the third tensioning roller, the fourth tensioning roller, the fifth tensioning roller and the pressing roller are respectively mounted on the mounting seat, the second tensioning roller is located below and left of the first tensioning roller, the third tensioning roller is located below and right of the second tensioning roller, the fourth tensioning roller is located below and left of the third tensioning roller, the fifth tensioning roller is located left of the fourth tensioning roller and between the material collecting roller and the traction roller, the pressing roller is located above the traction roller and can abut against the traction roller.

[0011] The labeling assembly is mounted on the lower right side of the mounting seat and located above the conveying assembly, and is used for labeling products passing below.

[0012] Further, the labeling assembly comprises a connecting plate, a mounting plate, a separating plate, a first tensioning rod, a second tensioning rod and a connecting block.

[0013] One end of the connecting plate is connected to the lower right side of the mounting seat, the other end of the connecting plate is provided with the mounting plate, the separating plate is mounted on the mounting plate, the end of the separating plate is provided with a rounded corner, one end of the first tensioning rod and one end of the second tensioning rod are respectively mounted on the connecting plate, the other end of the first tensioning rod and the other end of the second tensioning rod are connected through the connecting block, and the first tensioning rod and the second tensioning rod are respectively located on the left side of the mounting plate.

[0014] Specifically, the labeling assembly further comprises an adjusting rod and a locking nut.

[0015] The mounting plate is swingably mounted on the connecting plate, the connecting plate is provided with a first adjusting groove, one end of the adjusting rod is connected to the mounting plate, the other end of the adjusting rod can swing along the length direction of the first adjusting groove, and the locking nut is mounted on the other end of the adjusting rod.

[0016] Preferably, the mounting plate is provided with a recess, the separating plate is mounted on the recess, the separating plate is provided with a second adjusting groove, and the separating plate can move along the length direction of the second adjusting groove.

[0017] In some embodiments, a connecting seat is further included, one end of the connecting seat is movably mounted on the two fixed rods, and the other end of the connecting seat is connected to the conveying assembly.

[0018] Further, the first driving device comprises a first hand wheel, a first screw rod, a first rod sleeve and a fixing plate;

[0019] The fixing plate is mounted on the top of the two fixing rods, the first screw rod is rotatably mounted on the fixing plate, the first rod sleeve is movably mounted on the first screw rod, the outer periphery of the first rod sleeve is mounted on the lifting seat, and the first hand wheel is mounted on the top of the first screw rod.

[0020] Specifically, the second driving device comprises a second hand wheel, a second screw rod and a second rod sleeve;

[0021] The second screw rod is rotatably mounted in the mounting column, the second hand wheel is mounted on the end of the second screw rod, the mounting plate is provided with a sliding sleeve, the mounting column is provided with a third adjusting groove, the second rod sleeve is movably mounted on the second screw rod, and the second rod sleeve is connected to the sliding sleeve through the third adjusting groove.

[0022] Preferably, the third driving device comprises a first pulley, a second pulley, a third pulley, a motor, a protective cover and a transmission belt;

[0023] The first pulley is mounted on the end of the material collecting roller, the second pulley is mounted on the end of the traction roller, the motor is mounted on the mounting seat, the end of the motor is provided with the third pulley, the third pulley is connected to the first pulley and the second pulley through the transmission belt, and the protective cover is mounted on the rear side of the mounting seat and covers the first pulley, the second pulley, the third pulley and the transmission belt.

[0024] In some embodiments, the conveying assembly comprises a conveying frame, a conveying belt, a baffle, a mounting block and a connecting rod;

[0025] The conveying frame is mounted on the top surface of the moving base, the mounting block is mounted on the front and rear sides of the conveying frame respectively, one end of the connecting rod is movably mounted on the mounting block, the other end of the connecting rod is connected to the baffle, and the conveying belt is mounted on the conveying frame.

[0026] Compared with the prior art, one of the above technical solutions has the following beneficial effects:

[0027] Through the mobile base, the fixed rod, the conveying assembly, the material receiving roller, the traction roller, the lifting seat, the mounting column, the mounting seat, the material placing disc, the mounting strip, the tensioning assembly, the labeling assembly, the first driving device, the second driving device and the third driving device, the labeling assembly can be adjusted to move up and down and move forward and backward, suitable for labeling different products, improving the versatility of the labeling machine, and through the arrangement of the first tensioning roller, the second tensioning roller, the third tensioning roller, the fourth tensioning roller, the fifth tensioning roller and the pressing roller, the label tape is always in a tensioning state, avoiding the label tape from loosening or sagging to cause label pasting to be skewed and offset, further, the third driving device synchronously drives the traction roller and the material receiving roller, avoiding the phenomenon of differential conveying and winding. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a structural schematic view of a labeling machine of one embodiment of the present application;

[0029] Figure 2 is a structural schematic view of a tensioning assembly of one embodiment of the present application;

[0030] Figure 3 is a structural schematic view of a protective cover of one embodiment of the present application;

[0031] Figure 4 is a structural schematic view of a labeling assembly of one embodiment of the present application;

[0032] Figure 5 is a structural schematic view of a first driving device of one embodiment of the present application;

[0033] Figure 6 is a structural schematic view of a conveying assembly of one embodiment of the present application;

[0034] The moving base 1, the fixed rod 11, the conveying assembly 2, the conveying frame 21, the conveying belt 22, the baffle 23, the mounting block 24, the connecting rod 25, the material collecting roller 31, the traction roller 32, the lifting seat 4, the mounting column 41, the third adjusting groove 411, the mounting seat 5, the sliding sleeve 51, the material placing disc 6, the mounting strip 61, the tensioning assembly 7, the first tensioning roller 71, the second tensioning roller 72, the third tensioning roller 73, the fourth tensioning roller 74, the fifth tensioning roller 75, the compression roller 76, the labeling assembly 8, the connecting plate 81, the first adjusting groove 811, the mounting plate 82, the groove 821, the separating plate 83, the rounded corner 831, the second adjusting groove 832, the first tensioning rod 84, the second tensioning rod 85, the connecting block 86, the adjusting rod 87, the locking nut 88, the first driving device 91, the first hand wheel 911, the first lead screw 912, the first rod sleeve 913, the fixed plate 914, the second driving device 92, the second hand wheel 921, the second lead screw 922, the third driving device 93, the first pulley 931, the second pulley 932, the third pulley 933, the motor 934, the protective cover 935, the connecting seat 10. DETAILED DESCRIPTION

[0035] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only, and are used only for explaining the present application, and cannot be understood as a limitation of the present application.

[0036] In the description of the present application, it should be understood that the terms 'center', 'longitudinal', 'transverse', 'length', 'width', 'thickness', 'upper', 'lower', 'left', 'right', 'front','rear','vertical', 'horizontal', 'top', 'bottom', 'inner', 'outer', 'inboard', 'outboard', 'inner end', 'outer end', 'axial', 'radial', 'circumferential' and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In addition, the features defined as 'first' and'second' can explicitly or implicitly include one or more of the features, which are used to distinguish the described features, and have no order or importance. In the description of the present application, unless otherwise stated, the meaning of 'a plurality of' is two or more.

[0037] In one embodiment of the present application, as Figures 1-6As shown, a kind of labeling machine, including mobile base 1, conveying assembly 2, material receiving roller 31, traction roller 32, lifting seat 4, mounting seat 5, material disc 6, tensioning assembly 7, labeling assembly 8, first driving device 91, second driving device 92 and third driving device 93;The conveying assembly 2 is installed on the top surface of the mobile base 1, the conveying assembly 2 is used to convey product, the top surface of the mobile base 1 is equipped with fixed rod 11, the lifting seat 4 can be installed on the fixed rod 11 and move up and down, the lifting seat 4 is equipped with mounting column 41, and the first driving device 91 is used to drive the lifting seat 4 to move up and down;The mounting seat 5 can be installed on the mounting column 41 and move forward and backward, and the second driving device 92 is used to drive the mounting seat 5 to move forward and backward, and the material disc 6 is installed on the left upper side of the mounting seat 5, the material disc 6 is equipped with mounting strip 61, and the material receiving roller 31 and the traction roller 32 can be rotatably installed on the mounting seat 5, the material receiving roller 31 is located on the left side of the traction roller 32, and the third driving device 93 is used to synchronously drive the material receiving roller 31 and the traction roller 32 to rotate;The tensioning assembly 7 includes first tensioning roller 71, second tensioning roller 72, third tensioning roller 73, fourth tensioning roller 74, fifth tensioning roller 75 and compression roller 76;The first tensioning roller 71 is installed on the mounting strip 61, and the first tensioning roller 71 is located above the mounting seat 5, the second tensioning roller 72, the third tensioning roller 73, the fourth tensioning roller 74, the fifth tensioning roller 75 and the compression roller 76 are installed on the mounting seat 5 respectively, the second tensioning roller 72 is located below the left side of the first tensioning roller 71, the third tensioning roller 73 is located below the right side of the second tensioning roller 72, the fourth tensioning roller 74 is located below the left side of the third tensioning roller 73, the fifth tensioning roller 75 is located on the left side of the fourth tensioning roller 74, the fifth tensioning roller 75 is located between the material receiving roller 31 and the traction roller 32, the compression roller 76 is located above the traction roller 32, and the compression roller 76 can be abutted to the traction roller 32;The labeling assembly 8 is installed on the right lower side of the mounting seat 5, the labeling assembly 8 is located above the conveying assembly 2, and the labeling assembly 8 is used to label the product passing below.In the embodiment, four universal wheels are arranged at the four corners of the bottom of the mobile base 1, so as to facilitate movement. The top surface of the mobile base 1 is provided with two fixing rods 11. Before starting labeling, the height position of the lifting seat 4 needs to be adjusted according to the specifications and sizes of products through the first driving device 91, so as to adjust the height position of the labeling assembly 8. The position of the mounting seat 5 in the front-rear direction is adjusted through the second driving device 92, so as to ensure the accuracy of labeling of the labeling assembly 8. Then, the label roll is placed on the feeding disc 6, and the label is pulled out and wound around the top of the first tensioning roller 71, the bottom of the second tensioning roller 72 and the top of the third tensioning roller 73 in sequence, and then passes between the pressing roller 76 and the traction roller 32, and then is wound around the bottom of the traction roller 32, the bottom of the fourth tensioning roller 74, the labeling assembly 8 and the top of the fifth tensioning roller 75 in sequence, and finally is wound around the collecting roller 31. The conveying assembly 2 is provided with a corresponding sensor. The sensor is linked with the third driving device 93. When working, the conveying assembly 2 conveys products. The products pass below the labeling assembly 8 and contact the labeling end of the labeling assembly 8. In the movement process of the products, the label is attached to the surface of the products. The sensor detects that the products with completed labeling pass, and feeds back information to the third driving device 93. The third driving device 93 synchronously drives the traction roller 32 and the collecting roller 31 to rotate, so as to move the label strip and prepare for the next round of labeling. Through the mobile base 1, the fixing rod 11, the conveying assembly 2, the collecting roller 31, the traction roller 32, the lifting seat 4, the mounting column 41, the mounting seat 5, the feeding disc 6, the mounting strip 61, the tensioning assembly 7, the labeling assembly 8, the first driving device 91, the second driving device 92 and the third driving device 93, the labeling assembly 8 can be moved up and down and adjusted and moved forward and backward, which is suitable for labeling different products and improves the universality of the labeling machine. Furthermore, the third driving device 93 synchronously drives the traction roller 32 and the collecting roller 31, so as to avoid the phenomenon of differential conveying and winding.

[0038] As Figures 1-4As shown, the labeling assembly 8 comprises a connecting plate 81, a mounting plate 82, a separating plate 83, a first tensioning rod 84, a second tensioning rod 85 and a connecting block 86; one end of the connecting plate 81 is connected to the lower right side of the mounting seat 5, the other end of the connecting plate 81 is provided with the mounting plate 82, the separating plate 83 is mounted on the mounting plate 82, the end of the separating plate 83 is provided with a rounded corner 831, one end of the first tensioning rod 84 and one end of the second tensioning rod 85 are respectively mounted on the connecting plate 81, the other end of the first tensioning rod 84 and the other end of the second tensioning rod 85 are connected through the connecting block 86, and the first tensioning rod 84 and the second tensioning rod 85 are respectively located on the left side of the mounting plate 82. In this embodiment, during operation, the label tape is wound out from the top of the fourth tensioning roller 74, and then wound on the top of the first tensioning rod 84, the end of the separating plate 83, the bottom of the second tensioning rod 85 and the top of the fifth tensioning roller 75 in sequence, and finally wound by the take-up roller 31. The first tensioning rod 84 and the second tensioning rod 85 are added to ensure that the label tape is always tensioned, avoid the phenomenon of slackening, and the first tensioning rod 84 and the second tensioning rod 85 are connected and fixed through the connecting block 86, so that the integrality is better and the structure is more stable. Further, the rounded corner 831 is arranged at the bottom of the separating plate 83, so that the label tape carrier can be wound back and collected after the label tape is separated, and the label tape carrier is prevented from being scraped off by the edge.

[0039] As shown in Figure 4 the labeling assembly 8 further comprises an adjusting rod 87 and a locking nut 88; the mounting plate 82 is swingably mounted on the connecting plate 81, the connecting plate 81 is provided with a first adjusting groove 811, one end of the adjusting rod 87 is connected to the mounting plate 82, the other end of the adjusting rod 87 can swing along the length direction of the first adjusting groove 811, and the locking nut 88 is mounted on the other end of the adjusting rod 87. In this embodiment, when it is necessary to swing and fine-tune the inclination angle of the mounting plate 82, the mounting plate 82 can be swung along the hinge, specifically, the adjusting rod 87 swings in the first adjusting groove 811, after adjustment, the locking nut 88 is tightened and mounted on the other end of the adjusting rod 87 until the end face of the locking nut 88 is flush with the connecting plate 81, which is convenient and fast.

[0040] As shown in Figure 4As shown, the mounting plate 82 is provided with a recess 821, the dividing plate 83 is mounted in the recess 821, the dividing plate 83 is provided with a second adjusting groove 832, and the dividing plate 83 can move along the length direction of the second adjusting groove 832. In this embodiment, when the position of the dividing plate 83 needs to be finely adjusted, specifically, the dividing plate 83 is moved in the recess 821 along the length direction of the second adjusting groove 832, and after the adjustment is completed, the dividing plate 83 is locked and fixed by using a locking screw, which is convenient and fast.

[0041] As shown in Figure 1 The connecting seat 10 is movably mounted at one end of the two fixing rods 11, and the other end of the connecting seat 10 is connected to the conveying assembly 2. In this embodiment, the connecting seat 10 is arranged, which not only can strengthen the connection stability between the two fixing rods 11, but also can strengthen the connection stability with the conveying frame of the conveying assembly 2, so that the three are better integrated, and the structure is more stable.

[0042] As shown in Figure 1 and Figure 5 The first driving device 91 includes a first hand wheel 911, a first lead screw 912, a first rod sleeve 913, and a fixed plate 914. The fixed plate 914 is mounted at the top of the two fixing rods 11. The first lead screw 912 is rotatably mounted on the fixed plate 914. The first rod sleeve 913 is movably mounted on the first lead screw 912. The outer periphery of the first rod sleeve 913 is mounted on the lifting seat 4. The first hand wheel 911 is mounted at the top of the first lead screw 912. In this embodiment, during work, the first hand wheel 911 is rotated to rotate the first lead screw 912, so that the first rod sleeve 913 drives the lifting seat 4 to move up and down, which is convenient and fast. Further, the lifting seat 4 is provided with a clearance hole to avoid collision with the bottom of the fourth rod 912.

[0043] As shown in Figure 1 and Figure 5As shown, the second driving device 92 comprises a second hand wheel 921, a second screw rod 922 and a second rod sleeve; the second screw rod 922 is rotatably installed inside the mounting column 41, the second hand wheel 921 is installed at the end of the second screw rod 922, the mounting plate 5 is provided with a sliding sleeve 51, the mounting column 41 is provided with a third adjusting groove 411, and the second rod sleeve is movably installed on the second screw rod 922 and connected with the sliding sleeve 51 through the third adjusting groove 411. In this embodiment, the second screw rod 922 and the second rod sleeve are both arranged inside the mounting column 41, the inner periphery of the second rod sleeve is installed on the outer periphery of the second screw rod 922, and the outer periphery of the second rod sleeve is connected with the inner periphery of the sliding sleeve 51 through the third adjusting groove 411. During work, the second screw rod 922 is rotated by rotating the second hand wheel 921, and the mounting plate 5 is driven by the sliding sleeve 51 to move back and forth along the length direction of the third adjusting groove 411, which is convenient and fast.

[0044] As shown in Figures 1-3 , the third driving device 93 comprises a first pulley 931, a second pulley 932, a third pulley 933, a motor 934, a protective cover 935 and a transmission belt; the first pulley 931 is installed at the end of the material collecting roller 31, the second pulley 932 is installed at the end of the traction roller 932, the motor 934 is installed on the mounting base 5, the end of the motor 934 is provided with the third pulley 933, the third pulley 933 is connected with the first pulley 931 and the second pulley 932 through the transmission belt, and the protective cover 935 is installed on the rear side of the mounting base 5 and covers the first pulley 931, the second pulley 932, the third pulley 933 and the transmission belt. In this embodiment, the material collecting roller 31, the traction roller 32 and the motor 934 are respectively installed on the front side of the mounting base 5, and the first pulley 931, the second pulley 932 and the third pulley 933 are all located on the rear side of the mounting base 5. During work, the third pulley 933 at the output end of the motor 934 is driven to rotate, and the third pulley 933 simultaneously drives the first pulley 931 and the second pulley 932 to rotate through the transmission belt, which is convenient and fast, has high transmission efficiency, and the protective cover 935 is arranged to cover the first pulley 931, the second pulley 932 and the third pulley 933, so as to ensure the stability of work and prevent external interference.

[0045] As shown in Figure 1 and Figure 6As shown, the conveying assembly 2 comprises a conveying frame 21, a conveying belt 22, a baffle 23, a mounting block 24 and a connecting rod 25; the conveying frame 21 is mounted on the top surface of the mobile base 1, the mounting blocks 24 are respectively mounted on the front and rear sides of the conveying frame 21, one end of the connecting rod 25 is movably mounted on the mounting blocks 24, the other end of the connecting rod 25 is connected to the baffle 23, and the conveying belt 22 is mounted on the conveying frame 21. In this embodiment, the number of the mounting blocks 24 and the connecting rod 25 is four respectively, two mounting blocks 24 are respectively mounted on the front and rear sides of the conveying frame 21, the mounting blocks 24 are connected to the baffle 23 through the connecting rod 25, and the baffle 23 can be moved and adjusted in the front and rear directions, and the two baffles 23 can be moved close to or away from each other to be suitable for guiding products of different sizes.

[0046] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0047] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A labelling machine characterised in that: The application relates to a product labeling device, which comprises a mobile base, a conveying assembly, a material collecting roller, a traction roller, a lifting seat, a mounting seat, a material placing disc, a tensioning assembly, a labeling assembly, a first driving device, a second driving device and a third driving device. The conveying assembly is installed on the top surface of the mobile base, and the top surface of the mobile base is provided with a fixing rod; the lifting seat is movably installed on the fixing rod; the lifting seat is provided with a mounting column; the first driving device is used for driving the lifting seat to move up and down. The mounting seat is movably installed on the mounting column; the second driving device is used for driving the mounting seat to move forward and backward; the material placing disc is installed on the left upper side of the mounting seat; the material placing disc is provided with a mounting strip; the material collecting roller and the traction roller are rotatably installed on the mounting seat; the material collecting roller is located on the left side of the traction roller; and the third driving device is used for synchronously driving the material collecting roller and the traction roller to rotate. The tensioning assembly comprises a first tensioning roller, a second tensioning roller, a third tensioning roller, a fourth tensioning roller, a fifth tensioning roller and a pressing roller. The first tensioning roller is installed on the mounting strip and located above the mounting seat; the second tensioning roller, the third tensioning roller, the fourth tensioning roller, the fifth tensioning roller and the pressing roller are respectively installed on the mounting seat; the second tensioning roller is located below and left of the first tensioning roller; the third tensioning roller is located below and right of the second tensioning roller; the fourth tensioning roller is located below and left of the third tensioning roller; the fifth tensioning roller is located on the left side of the fourth tensioning roller and between the material collecting roller and the traction roller; the pressing roller is located above the traction roller and can abut against the traction roller. The labeling assembly is installed on the lower right side of the mounting seat and located above the conveying assembly; and the labeling assembly is used for labeling products passing below.

2. A labelling machine according to claim 1, characterised in that: The labeling assembly comprises a connecting plate, a mounting plate, a labeling plate, a first tensioning rod, a second tensioning rod and a connecting block. One end of the connecting plate is connected to the lower right side of the mounting seat; the other end of the connecting plate is provided with the mounting plate; the labeling plate is installed on the mounting plate; the end of the labeling plate is provided with a round corner; one end of the first tensioning rod and one end of the second tensioning rod are respectively installed on the connecting plate; the other end of the first tensioning rod and the other end of the second tensioning rod are connected through the connecting block; and the first tensioning rod and the second tensioning rod are respectively located on the left side of the mounting plate.

3. A labelling machine according to claim 2, characterised in that: The labeling assembly further comprises an adjusting rod and a locking nut. The mounting plate is swingably installed on the connecting plate; the connecting plate is provided with a first adjusting groove; one end of the adjusting rod is connected to the mounting plate; the other end of the adjusting rod can swing along the length direction of the first adjusting groove; and the locking nut is installed on the other end of the adjusting rod.

4. A labelling machine according to claim 2, characterised in that: The mounting plate is provided with a recess; the labeling plate is installed on the recess; the labeling plate is provided with a second adjusting groove; and the labeling plate can move along the length direction of the second adjusting groove.

5. A labelling machine according to claim 1, characterised in that: The connecting seat is movably installed at one end of the two fixing rods and is connected to the conveying assembly at the other end.

6. A labelling machine according to claim 1, characterised in that: The first driving device comprises a first hand wheel, a first screw rod, a first rod sleeve and a fixing plate. The fixing plate is installed at the top of the two fixing rods, the first screw rod is rotatably installed on the fixing plate, the first rod sleeve is movably installed on the first screw rod, the outer periphery of the first rod sleeve is installed on the lifting seat, and the first hand wheel is installed at the top of the first screw rod.

7. A labelling machine according to claim 2, characterised in that: The second driving device comprises a second hand wheel, a second screw rod and a second rod sleeve. The second screw rod is rotatably installed inside the mounting column, the second hand wheel is installed at the end of the second screw rod, the mounting plate is provided with a sliding sleeve, the mounting column is provided with a third adjusting groove, the second rod sleeve is movably installed on the second screw rod, and the second rod sleeve is connected to the sliding sleeve through the third adjusting groove.

8. A labelling machine according to claim 1, characterised in that: The third driving device comprises a first pulley, a second pulley, a third pulley, a motor, a protective cover and a transmission belt. The first pulley is installed at the end of the material collecting roller, the second pulley is installed at the end of the traction roller, the motor is installed on the mounting seat, the end of the motor is provided with the third pulley, the third pulley is connected to the first pulley and the second pulley through the transmission belt, and the protective cover is installed on the rear side of the mounting seat.

9. A labelling machine according to claim 1, characterised in that: The conveying assembly comprises a conveying frame, a conveying belt, a baffle, a mounting block and a connecting rod. The conveying frame is installed on the top surface of the moving base, the mounting blocks are respectively installed on the front and rear sides of the conveying frame, one end of the connecting rod is movably installed on the mounting blocks, the other end of the connecting rod is connected to the baffle, and the conveying belt is installed on the conveying frame.

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