Labeling device for fire extinguisher

Abstract

The labeling device comprises a U-shaped frame, an L-shaped plate is arranged on the right side of the U-shaped frame, supporting legs are arranged at the bottoms of the U-shaped frame and the L-shaped plate, a conveyor is arranged on the inner side wall of the U-shaped frame, a labeling mechanism is arranged on the U-shaped frame, and the labeling mechanism is arranged on the U-shaped frame. A material control mechanism for controlling circulation of a fire extinguisher is arranged at the right end of the inner side wall of the U-shaped frame, a clamping mechanism is arranged on the left side of the vertical end of the L-shaped plate, a position adjusting mechanism is arranged between the clamping mechanism and the L-shaped plate, and a discharging port communicating with the front end of the L-shaped plate is formed in the top of the transverse end of the L-shaped plate. The labeling mechanism comprises transverse plates, a rolling roller, a first motor, a first limiting roller, a second limiting roller, a baffle, a rotating roller, a second motor, a first air cylinder, a connecting plate and a roller, the transverse plates are arranged on the front side and the rear side of the U-shaped frame correspondingly, the labeling device for the fire extinguisher can automatically carry the fire extinguisher to transportation equipment, the working efficiency is improved, meanwhile, manual carrying is replaced, and the labor intensity of workers is relieved. And the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of fire extinguishers, in particular to a labeling device for fire extinguishers. Background Art

[0002] A fire extinguisher is a portable fire-fighting tool and one of the common fire prevention facilities. When a fire occurs, it can spray out fire extinguishing agents through internal pressure to extinguish the initial fire or control the spread of the fire. Different types of fire extinguishers are suitable for different types of fires. For example, dry powder fire extinguishers can be used to extinguish fires of flammable liquids, combustible gases and electrical equipment. Fire extinguishers are easy to operate and can work quickly and effectively. They play a vital role in preventing and responding to fires and are one of the important tools to protect people's lives and property.

[0003] The current fire extinguisher labeling devices generally only have a single function of labeling. However, after the fire extinguisher labeling work is completed, the fire extinguishers need to be manually removed one by one, placed on a transport vehicle or transport rack, and finally transported to the inspection station for inspection. This manual operation method has obvious shortcomings. On the one hand, its manual operation speed is relatively slow, affecting overall work efficiency and resulting in low work efficiency. On the other hand, long-term repetitive work can easily make workers feel tired, increasing their labor intensity.

[0004] Therefore, a fire extinguisher labeling device is proposed to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a labeling device for fire extinguishers to solve the above problems.

[0006] To achieve this purpose, the present invention adopts the following technical solutions:

[0007] A labeling device for a fire extinguisher comprises a concave frame, an L-shaped plate is provided on the right side of the concave frame, support legs are provided at the bottom of the concave frame and the L-shaped plate, a conveyor is provided on the inner side wall of the concave frame, a labeling mechanism is provided on the concave frame, a material control mechanism for controlling the flow of fire extinguishers is provided at the right end of the inner side wall of the concave frame, a clamping mechanism is provided on the left side of the vertical end of the L-shaped plate, a positioning mechanism is provided between the clamping mechanism and the L-shaped plate, and a discharge port connected to the front end of the L-shaped plate is provided at the top of the horizontal end of the L-shaped plate.

[0008] Preferably, the labeling mechanism includes a cross plate, a rolling roller, a motor, a limit roller, a limit roller, a baffle, a rotating roller, a motor, a cylinder, a connecting plate and a roller, the front and rear sides of the concave frame are provided with cross plates, a connecting plate is provided above the concave frame, and rollers are provided at the left and right ends of the connecting plate, the top of the front cross plate is provided with a cylinder one connected to the front side of the connecting plate with a telescopic shaft, the top of the rear cross plate is provided with a baffle extending to the front thereof and in an inclined state, the top of the rear cross plate is provided with two limit rollers one at the top of the rear cross plate and located on both sides of the baffle, the top of the rear cross plate is provided with a limit roller two located on the upper left side of the limit roller one, the left and right ends of the bottom of the rear cross plate are provided with an output shaft passing through the motor two above it, the output shaft of the motor two is coaxially connected to the rotating roller, the front side of the bottom of the rear cross plate is provided with an output shaft passing through the motor one above it, the output shaft of the motor one is coaxially connected to the rolling roller, and the outer end of the rolling roller extends to the front of the rear cross plate.

[0009] Preferably, the material control mechanism includes two cylinders, one connecting rod, one limit plate, a slider and a bottle baffle. A limit plate is provided on the right side of the inside of the concave frame. A connecting rod is provided between the two ends of the front side of the limit plate and the inner wall of the concave frame. Two cylinders are provided at intervals on the front side of the concave frame, and the telescopic shafts of the two cylinders pass through the inside. The telescopic shafts of the two cylinders are both provided with bottle baffles. Sliders are slidably sleeved on the two connecting rods, and the lower ends are connected to the top of the bottle baffle on the same side.

[0010] Preferably, a second limiting plate is provided on the left side inside the concave frame, the second limiting plate and the first limiting plate are in the same horizontal plane, and a plurality of connecting rods are fixedly connected between the front side of the second limiting plate and the inner side wall of the concave frame.

[0011] Preferably, the positioning mechanism includes a third cylinder, a telescopic rod and an electric slide. An electric slide is provided on the left side of the vertical end of the L-shaped plate along the front-to-back direction. Both ends of the right side of the electric slide are provided with a telescopic rod that passes through the right side of the vertical end of the L-shaped plate. The right side of the vertical end of the L-shaped plate is provided with a telescopic shaft and a cylinder three connected to the right side of the electric slide.

[0012] Preferably, the clamping mechanism includes a clamping cylinder and an arc block, the movable end of the electric slide is provided with a clamping cylinder, and both ends of the clamping cylinder are provided with an arc block.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: fire extinguishers can be transported by the conveyor, and the labeling mechanism will label each fire extinguisher one by one, then, the controlled material mechanism controls the fire extinguishers to be transported to the right end of the conveyor one by one, then, the clamping mechanism clamps the rightmost fire extinguisher and cooperates with the positioning mechanism to adjust the position of the fire extinguisher to correspond to a certain position of the transport equipment, then release the fire extinguisher, let the fire extinguisher pass through the discharge port and fall on the transport equipment, repeat this cycle, place multiple fire extinguishers on the transport equipment, so as to realize automatic transportation of fire extinguishers to the transport equipment, thereby improving work efficiency, and at the same time, replacing the workers in the transportation, reducing the workers' labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings further illustrate the present invention, but the contents in the accompanying drawings do not constitute any limitation to the present invention.

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model Figure 1 ;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model Figure 2 ;

[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of the material control mechanism of the utility model;

[0018] Figure 4 It is a three-dimensional structural diagram of the labeling mechanism and the concave character frame of the utility model.

[0019] In the attached drawings: 1. concave frame; 2. L-shaped plate; 3. supporting leg; 4. conveyor; 5. labeling mechanism; 51. horizontal plate; 53. rolling roller; 54. motor 1; 55. limit roller 1; 56. limit roller 2; 57. baffle; 58. rotating roller; 59. motor 2; 521. cylinder 1; 522. connecting plate; 523. roller; 6. material control mechanism; 61. cylinder 2; 62. connecting rod 1; 63. limit plate 1; 64. slider; 65. bottle baffle; 7. clamping mechanism; 71. clamping cylinder; 72. arc block; 8. positioning mechanism; 81. cylinder 3; 82. telescopic rod; 83. electric slide; 91. limit plate 2; 92. connecting rod 2; 10. discharge port. DETAILED DESCRIPTION

[0020] The following describes embodiments of the present invention in detail, with examples of the embodiments illustrated in the accompanying drawings. Throughout, identical or similar reference numerals denote identical or similar elements or elements having identical or similar functions. The embodiments described below with reference to the accompanying drawings are illustrative and intended solely for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. In the description of the present invention, it should be understood that terms such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise" indicate positions or positional relationships based on those shown in the accompanying drawings. These terms are intended solely for the purpose of describing the present invention and simplifying the description. They do not indicate or imply that the devices or elements referred to must have, be constructed, or operate in a specific orientation, and are therefore not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly specifying the number of the technical features indicated. Thus, features designated "first" or "second" may explicitly or implicitly include one or more of the aforementioned features. In the description of the present invention, “a plurality of” means two or more, and “a number of” means one or more, unless otherwise clearly defined.

[0021] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections, electrical connections, or connections that allow for mutual communication; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0022] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0023] The disclosure below provides many different embodiments or examples for realizing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. In addition, the present invention may repeat reference numbers and / or reference letters in different examples. Such repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides examples of various specific processes and materials, but a person of ordinary skill in the art will recognize the application of other processes and / or the use of other materials.

[0024] In this embodiment, Figure 1-4 A labeling device for a fire extinguisher is given. The utility model includes a concave frame 1, an L-shaped plate 2 is provided on the right side of the concave frame 1, support legs 3 are provided at the bottom of the concave frame 1 and the L-shaped plate 2, a conveyor 4 is provided on the inner wall of the concave frame 1, a labeling mechanism 5 is provided on the concave frame 1, a material control mechanism 6 for controlling the flow of fire extinguishers is provided at the right end of the inner wall of the concave frame 1, a clamping mechanism 7 is provided on the left side of the vertical end of the L-shaped plate 2, a positioning mechanism 8 is provided between the clamping mechanism 7 and the L-shaped plate 2, and a discharge port 10 connected to the front end of the L-shaped plate 2 is opened at the top of the horizontal end of the L-shaped plate 2.

[0025] In this embodiment, the transport equipment is pushed to the bottom of the L-shaped plate 2 and corresponds to the discharge port 10. At the same time, when the fire extinguisher is placed on the conveyor 4, it will be transported to the right. During this process, the labeling mechanism 5 will label each fire extinguisher one by one, and then the controlled material mechanism 6 will control the fire extinguishers to be transported to the right end of the conveyor 4 one by one. Then, the clamping mechanism 7 clamps the rightmost fire extinguisher and cooperates with the positioning mechanism 8 to adjust the position of the fire extinguisher and correspond to a certain position of the transport equipment. Then, the fire extinguisher is released and allowed to fall on the transport equipment. This cycle is repeated to place multiple fire extinguishers on the transport equipment to realize automatic transportation of fire extinguishers to the transport equipment, thereby improving work efficiency and reducing the labor intensity of workers by replacing the workers in the transportation.

[0026] Preferably, as another embodiment of the present invention, the labeling mechanism 5 includes a horizontal plate 51, a rolling roller 53, a motor 54, a limiting roller 55, a limiting roller 2 56, a baffle 57, a rotating roller 58, a motor 2 59, a cylinder 1 521, a connecting plate 522 and a roller 523. The front and rear sides of the concave frame 1 are provided with horizontal plates 51, the top of the concave frame 1 is provided with a connecting plate 522, and the left and right ends of the connecting plate 522 are provided with rollers 523. The top of the front horizontal plate 51 is provided with a cylinder 1 521 connected to the front side of the connecting plate 522 by a telescopic shaft, and the top of the rear horizontal plate 51 is provided with a cylinder 1 521 extending to the top of the rear horizontal plate 51. A baffle 57 is provided in the front and is in an inclined state. Two limiting rollers 55 are provided on the top of the rear horizontal plate 51 and are located on both sides of the baffle 57. A limiting roller 2 56 is provided on the top left of the limiting roller 1 55. The left and right ends of the bottom of the rear horizontal plate 51 are provided with a motor 2 59 with an output shaft extending through the top thereof. The output shaft of the motor 2 59 is coaxially connected to the rotating roller 58. The front side of the bottom of the rear horizontal plate 51 is provided with a motor 1 54 with an output shaft extending through the top thereof. The output shaft of the motor 1 54 is coaxially connected to the rolling roller 53. The outer end of the rolling roller 53 extends to the front of the rear horizontal plate 51.

[0027] In this embodiment, the label roll is put on the right rotating roller 58, and then one end of the label roll is passed around the right limiting roller 1 55, the front end of the baffle 57, the left limiting roller 1 55 and the limiting roller 2 56 in sequence, and then connected to the left rotating roller 58. When the fire extinguisher is transported to the right, the right motor 2 59 drives the right rotating roller 58 to rotate, so that the label roll is unloaded. At the same time, the left motor 2 59 drives the left rotating roller 58 to rotate, and rewinds the waste of the label roll, so that one end of the label leaks out at the front end of the baffle 57. As the fire extinguisher continues to be transported to the right, the label will stick to the fire extinguisher. Then, the cylinder 1 521 drives the connecting plate 522 and the two rollers 523 to move backward, so that the two rollers 523 press the fire extinguisher against the rolling roller 53. Then, the motor 1 54 drives the rolling roller 53 to rotate. During this process, the fire extinguisher in contact with the rolling roller 53 will also rotate, so that all the labels are stuck to the fire extinguisher.

[0028] Preferably, as another embodiment of the present invention, a limiting plate 2 91 is provided on the left side inside the concave frame 1, and the limiting plate 2 91 and the limiting plate 1 63 are in the same horizontal plane. A plurality of connecting rods 2 92 are fixedly connected between the front side of the limiting plate 2 91 and the inner side wall of the concave frame 1.

[0029] In this embodiment, the limiting plate 91 can limit the fire extinguisher on the conveyor 4 to avoid deviation and ensure the subsequent labeling process, and the connecting rod 92 can install the limiting plate 91 on the concave frame 1 to provide stable support.

[0030] Preferably, as another embodiment of the present invention, the material control mechanism 6 includes a second cylinder 61, a connecting rod 62, a limit plate 63, a slider 64 and a bottle blocking plate 65. A limit plate 63 is provided on the right side of the inner side of the concave frame 1, and a connecting rod 62 is provided between the two ends of the front side of the limit plate 63 and the inner side wall of the concave frame 1. Two cylinders 61 with telescopic shafts passing through the interior thereof are provided at intervals on the front side of the concave frame 1. The telescopic shafts of the two cylinders 61 are both provided with a bottle blocking plate 65, and the two connecting rods 62 are both slidably sleeved with a slider 64 whose lower end is connected to the top of the bottle blocking plate 65 on the same side.

[0031] In this embodiment, during the transportation of the fire extinguishers, the right cylinder 2 61 drives the right bottle blocking plate 65 to extend to block the transported fire extinguisher. Then, the left cylinder 2 61 drives the left bottle blocking plate 65 to extend. The left bottle blocking plate 65 will be inserted between the two fire extinguishers, and the rightmost fire extinguisher will be between the two bottle blocking plates 65. At this time, the right cylinder 2 61 drives the right bottle blocking plate 65 to retract, and the rightmost fire extinguisher can be transported, thereby completing the effect of transporting one by one.

[0032] Preferably, as another embodiment of the present invention, the clamping mechanism 7 includes a clamping cylinder 71 and an arc block 72, the moving end of the electric slide 83 is provided with a clamping cylinder 71, and both ends of the clamping cylinder 71 are provided with an arc block 72, the positioning mechanism 8 includes a cylinder three 81, a telescopic rod 82 and an electric slide 83, an electric slide 83 is provided on the left side of the vertical end of the L-shaped plate 2 along the front-to-back direction, and both ends of the right side of the electric slide 83 are provided with a telescopic rod 82 that passes through the right side of the vertical end of the L-shaped plate 2, and a cylinder three 81 connected to the right side of the electric slide 83 with a telescopic shaft is provided on the right side of the vertical end of the L-shaped plate 2.

[0033] In this embodiment, the clamping cylinder 71 can drive the two arc blocks 72 to approach each other or to turn away from each other to complete the clamping or release of the fire extinguisher, and the electric slide 83 and cylinder three 81 can adjust the front and rear position and left and right position of the clamped fire extinguisher to facilitate placing the fire extinguisher in different positions. The process is that the electric slide 83 drives the clamping cylinder 71 to move forward and backward, and the cylinder three 81 drives the electric slide 83 to move left and right, wherein the electric slide 83 can drive the telescopic rod 82 to slide on the L-shaped plate 2, and the telescopic rod 82 can provide support for the clamping cylinder 71, the arc block 72 and the electric slide 83.

[0034] Working principle: put the label roll on the right rotating roller 58, then pass one end of the label roll around the right limit roller 1 55, the front end of the baffle 57, the left limit roller 1 55 and the limit roller 2 56 in sequence, and then connect it to the left rotating roller 58. Then, push the transportation equipment under the discharge port 10, and then place the fire extinguisher on the conveyor 4. The fire extinguisher will be transported to the right. During this process, the right motor 2 59 drives the right rotating roller 58 to rotate, so that the label roll is discharged. At the same time, the left motor 2 59 drives the left rotating roller 58 to rotate, rewinding the waste of the label roll, and then letting one end of the label leak out from the front end of the baffle 57, and as the fire extinguisher continues to be transported to the right, the label will stick to the fire extinguisher. Then, the cylinder 1 521 drives the connecting plate 522 and the two rollers 523 to move backward, so that the two rollers 523 press the fire extinguisher against the rolling roller 53, and then, the motor 1 54 drives the rolling roller 53 to rotate. This process is the same as the rolling roller 53. The fire extinguisher contacted by the roller 53 will also rotate, so that all the labels are stuck to the fire extinguisher. Then, the right cylinder 2 61 drives the right bottle baffle 65 to extend to block the transported fire extinguisher. Then, the left cylinder 2 61 drives the left bottle baffle 65 to extend. The left bottle baffle 65 will be inserted between the two fire extinguishers, and the fire extinguisher on the far right will be between the two bottle baffles 65. At this time, after the right cylinder 2 61 drives the right bottle baffle 65 to retract, the fire extinguisher on the far right continues to be transported for a distance and then stops transporting. Next, the clamping cylinder 71 drives the two arc blocks 72 to move closer to each other to clamp the fire extinguisher, and the electric slide 83 and the cylinder 3 81 can adjust the front and rear position and left and right position of the clamped fire extinguisher, so as to place the fire extinguisher at different positions. The released fire extinguisher falls back on the transport equipment, and this cycle is repeated. The fire extinguisher can be automatically transported to the transport equipment, thereby improving work efficiency and reducing the labor intensity of the workers by replacing the workers in the transport.

[0035] Throughout this specification, reference to terms such as "an embodiment," "one embodiment," "certain embodiments," "illustrative embodiments," "example," "specific example," or "some examples" means that a specific feature, structure, material, or characteristic described in conjunction with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, 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 any one or more embodiments or examples.

[0036] The technical principles of the present invention have been described above with reference to specific embodiments. These descriptions are intended solely to illustrate the principles of the present invention and should not be construed in any way as limiting the scope of protection of the present invention. Based on the explanations herein, those skilled in the art will be able to devise other specific embodiments of the present invention without inventive effort, and such equivalent variations or substitutions are encompassed within the scope of the claims of this application.

Claims

1. A labeling device for a fire extinguisher, characterized in that: The invention comprises a concave frame (1), an L-shaped plate (2) is provided on the right side of the concave frame (1), support legs (3) are provided at the bottom of the concave frame (1) and the L-shaped plate (2), a conveyor (4) is provided on the inner side wall of the concave frame (1), a labeling mechanism (5) is provided on the concave frame (1), a material control mechanism (6) for controlling the flow of fire extinguishers is provided at the right end of the inner side wall of the concave frame (1), a clamping mechanism (7) is provided on the left side of the vertical end of the L-shaped plate (2), a positioning mechanism (8) is provided between the clamping mechanism (7) and the L-shaped plate (2), and a discharge port (10) connected to the front end of the L-shaped plate (2) is provided at the top of the horizontal end.

2. A fire extinguisher labeling device according to claim 1, characterized in that: The labeling mechanism (5) comprises a horizontal plate (51), a rolling roller (53), a motor (54), a limiting roller (55), a limiting roller (56), a baffle (57), a rotating roller (58), a motor (59), a cylinder (521), a connecting plate (522) and a roller (523). The front and rear sides of the concave frame (1) are both provided with horizontal plates (51), the top of the concave frame (1) is provided with a connecting plate (522), and the left and right ends of the connecting plate (522) are both provided with rollers (523). The top of the front horizontal plate (51) is provided with a cylinder (521) connected to the front side of the connecting plate (522) with a telescopic shaft. The top of the rear horizontal plate (51) is provided with a tilted extending front portion thereof. The baffle (57) is in a state, the top of the rear side transverse plate (51) is provided with two limiting rollers (55) located on both sides of the baffle (57), the top of the rear side transverse plate (51) is provided with a limiting roller (56) located on the upper left of the limiting roller (55), the left and right ends of the bottom of the rear side transverse plate (51) are provided with a motor (59) with an output shaft extending therethrough, the output shaft of the motor (59) is coaxially connected to a rotating roller (58), the front side of the bottom of the rear side transverse plate (51) is provided with a motor (54) with an output shaft extending therethrough, the output shaft of the motor (54) is coaxially connected to a rolling roller (53), and the outer end of the rolling roller (53) extends to the front of the rear side transverse plate (51).

3. A fire extinguisher labeling device according to claim 1, characterized in that: The material control mechanism (6) includes a second cylinder (61), a first connecting rod (62), a first limiting plate (63), a slider (64) and a bottle blocking plate (65). The right side of the inner portion of the concave frame (1) is provided with a first limiting plate (63). The two ends of the front side of the first limiting plate (63) and the inner side wall of the concave frame (1) are both provided with a first connecting rod (62). The front side of the concave frame (1) is provided with two second cylinders (61) with telescopic shafts passing through the interior thereof. The telescopic shafts of the two second cylinders (61) are both provided with a bottle blocking plate (65). The two first connecting rods (62) are both provided with a slider (64) whose lower end is connected to the top of the bottle blocking plate (65) on the same side.

4. A fire extinguisher labeling device according to claim 3, characterized in that: A second limiting plate (91) is provided on the left side of the interior of the concave frame (1), wherein the second limiting plate (91) and the first limiting plate (63) are located at the same horizontal plane, and a plurality of second connecting rods (92) are fixedly connected between the front side of the second limiting plate (91) and the inner side wall of the concave frame (1).

5. The fire extinguisher labeling device according to claim 1, characterized in that: The positioning mechanism (8) includes a cylinder three (81), a telescopic rod (82) and an electric slide (83). The electric slide (83) is provided on the left side of the vertical end of the L-shaped plate (2) along the front-back direction. Both ends of the right side of the electric slide (83) are provided with a telescopic rod (82) extending to the right side of the vertical end of the L-shaped plate (2). The right side of the vertical end of the L-shaped plate (2) is provided with a cylinder three (81) connected to the right side of the electric slide (83) by a telescopic shaft.

6. A fire extinguisher labeling device according to claim 5, characterized in that: The clamping mechanism (7) comprises a clamping cylinder (71) and an arc block (72); the movable end of the electric slide (83) is provided with the clamping cylinder (71); and both ends of the clamping cylinder (71) are provided with an arc block (72).

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