CN212606391U - Automatic labeling machine - Google Patents

Abstract

The utility model relates to the technical field of labeling machines, in particular to an automatic labeling machine, which comprises a fixed frame, a conveying component, a label feeding component, a cutter component, a glue spraying component for spraying hot melt glue on label paper and a label holding component, wherein the label feeding component, the cutter component, the glue spraying component and the label holding component are all arranged on the fixed frame which is arranged beside the conveying component; the label feeding assembly comprises a label storage disc, a label feeding wheel set and a label feeding plate, label paper is rotatably arranged on the label storage disc, one end of the label paper passes through the label feeding wheel set and is tightly attached to the label feeding plate, and the cutter assembly is arranged between the label feeding wheel set and the label feeding plate; the glue spraying assembly is provided with a glue spraying head which is arranged right opposite to the label feeding plate, and the label feeding plate can be abutted to an object to be labeled; the label holding component is arranged in front of the label conveying plate and can be movably pressed on the surface of the label paper until the label paper is tightly attached to an object to be labeled. The utility model discloses wait to paste automatic mark of pasting when mark object promotes and send the mark board, automatic holding up the mark when waiting to paste the promotion of mark object and holding up the mark subassembly, the working process is simple, and automatic level is high.

Description

Automatic labeling machine

Technical Field

The utility model relates to a paste the technical field of mark machinery, more specifically relates to an automatic labeling machine.

Background

In the building industry, powdery raw materials such as putty powder, gypsum powder and the like are often packaged by a valve port tape, and a label is adhered to the position of the corner edge to seal the valve port so as to prevent the valve port from being damaged and leaked in the transfer process. Except for the building industry, other industries and universities can label the surface of the product for the purpose of product identification. For products with rough surfaces or a large amount of dust attached to the surfaces, common self-adhesive labels are difficult to firmly adhere. The hot melt adhesive label contains more colloid and has large thickness, low requirement on the cleanness of the adhered surface, firm adhesion and good effect.

Chinese patent CN201611213023.6 discloses a high-speed hot melt adhesive labeling machine, during operation, a working label enters a label feeding device through an automatic label receiving device, the working label enters a label cutting device under the action of the label feeding device, the label is cut by the label cutting device as required and then conveyed to a rubber roller device through a labeling device, the cut label is coated with adhesive by the rubber roller device, and then conveyed to a bottle support device under the action of the labeling device, meanwhile, a bottle is continuously conveyed to the bottle support device under the action of the bottle feeding device, and the label is adhered to the bottle under the action of the labeling device of the bottle support device. Although above-mentioned scheme can realize automatic subsides mark, its applicable occasion is limited, and it is applicable to the subsides mark of body of bottle or other cylinder peripheries, and to the product of other shapes, then can not obtain accurate and reliable and stable mark effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide an automatic labeling machine, can realize automatic subsides mark and hold up the mark automatically, automatic level is high, can effectively improve production efficiency.

In order to solve the technical problem, the utility model discloses a technical scheme is:

providing an automatic labeling machine which is arranged beside a conveying assembly, wherein an object to be labeled is conveyed on the conveying assembly; the automatic labeling machine comprises a fixed frame, a conveying assembly, a label feeding assembly, a cutter assembly, a glue spraying assembly and a label holding assembly, wherein the conveying assembly is used for conveying an object to be labeled, the label feeding assembly is used for conveying label paper, the cutter assembly is used for cutting the label paper, the glue spraying assembly is used for spraying hot melt glue on the label paper, the label holding assembly is used for tightly sticking the label paper to the corner position of the object to be labeled, the label feeding assembly, the cutter assembly, the glue spraying assembly and the label holding assembly are all installed on the fixed frame, and the fixed frame is installed beside the; the label feeding assembly comprises a label storage disc, a label feeding wheel set and a label feeding plate, label paper is rotatably arranged on the label storage disc, one end of the label paper passes through the label feeding wheel set and is tightly attached to the label feeding plate, and the cutter assembly is arranged between the label feeding wheel set and the label feeding plate; the label conveying plate can be abutted to an object to be labeled; the label holding component is arranged in front of the label conveying plate and can be movably pressed on the surface of the label paper until the label paper is tightly attached to an object to be labeled.

The utility model discloses an automatic labeling machine, waiting to paste the mark object and get into the conveying subassembly from the previous process interval, label scroll paper rotates and locates and deposits the mark dish, and one end of label paper is sent forward to sending the mark board and hugging closely on sending the surface of mark board via sending the mark wheelset; the cutter assembly acts to cut off the label paper to obtain label paper, and the label paper is tightly attached to the surface of the label feeding plate; the glue spraying head acts to uniformly spray the hot melt glue on the surface of the label paper, and when the front surface of the object to be labeled is abutted against the label conveying plate, the label paper is adhered to the front surface of the object to be labeled; and then, the object to be labeled and the label paper are conveyed forwards together, and the label supporting assembly is used for pressing and connecting the label paper, so that the label paper is tightly adhered to the front surface and the side surface of the object to be labeled, namely the corner edge position of the object to be labeled. The utility model discloses wait to paste automatic mark of pasting when mark object promotes and send the mark board, automatic holding up the mark when waiting to paste the promotion of mark object and holding up the mark subassembly, the working process is simple, and automatic level is high, can effectively improve production efficiency.

Furthermore, send mark wheelset to include the action wheel, follow driving wheel and a plurality of around to the wheel, action wheel, follow driving wheel all install in the mount, pass between action wheel, the follow driving wheel after a plurality of around to the wheel in one end of label paper, the action wheel is connected with driving motor, the action wheel is hugged closely with the periphery from the driving wheel.

Furthermore, a plurality of air holes are formed in the side face of the label conveying plate, the label conveying plate is communicated with a vacuum air pipe externally connected with a vacuum air source, and one end of the label paper can be adsorbed on the side face of the label conveying plate.

Further, send the mark board vertical connection to have a fixed plate, the glue spraying head is just to sending the mark board setting, the fixed plate is connected with first cylinder.

Further, send the mark board to be connected with the fixed plate is articulated, send the mark board to be connected with first elasticity cylinder, the one end of first elasticity cylinder is connected in sending the mark board, and the other end of first elasticity cylinder passes through mount pad and fixed plate fixed connection.

Furthermore, first elasticity cylinder is equipped with inductive switch, inductive switch connects in the input of controller, first cylinder is connected in the output of controller.

Further, the cutter assembly comprises a static cutter, a movable cutter and a second cylinder, the static cutter and the second cylinder are fixedly mounted on the fixed frame, the movable cutter is connected to the second cylinder, the movable cutter is hinged to the static cutter, and one end of the label paper penetrates through the space between the static cutter and the movable cutter.

Furthermore, the static knife is fixedly arranged on the fixed frame through a knife fixing seat, and the knife fixing seat is provided with a through hole for allowing the label paper to pass through; one end of the second cylinder is fixedly arranged on the fixed frame through a cylinder fixing seat, and the other end of the second cylinder is hinged with the movable knife.

Further, the outer fringe of through-hole and the marginal parallel and level of quiet sword, cutter fixing base side is equipped with the guide block, move the sword bottom outside and laminate in the guide block.

The mark supporting assembly comprises a mark supporting roller, a wheel shaft and a swing arm, the mark supporting roller is rotatably mounted on the wheel shaft, the wheel shaft is connected to one end of the swing arm, and the other end of the swing arm is hinged to the fixing frame; the swing arm is hinged with a second elastic cylinder, and the second elastic cylinder is installed on the fixing frame.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses automatic subsides mark when waiting to paste the mark object and promote and send the mark board, automatic holding up the mark when waiting to paste the mark object and promote and hold up the mark subassembly, the working process is simple, and automatic level is high, can effectively improve production efficiency.

Drawings

Fig. 1 is a perspective view of an automatic labeling machine;

FIG. 2 is a top view of an automatic labeling machine;

FIG. 3 is a schematic structural view of a label feeding assembly, a cutter assembly, a glue spraying assembly and a label supporting structure;

FIG. 4 is a schematic view of the cutter assembly;

in the drawings: 1-a fixed mount; 2-a conveying assembly; 3-a label sending component; 31-label storage disc; 32-label feeding wheel group; 321-a driving wheel; 322-driven wheel; 323-winding wheel; 33-label conveying plate; 331-a fixed plate; 34-a vacuum air pipe; 35-a first cylinder; 36-a first resilient cylinder; 37-a mounting seat; 4-a cutter assembly; 41-stationary knife; 42-moving the knife; 43-a second cylinder; 44-a tool holder; 45-through holes; 46-cylinder fixing seat; 47-a guide block; 5-spraying a glue component; 6-a tag holding component; 61-a logo supporting roller; 62-axle; 63-swing arm; 64-a second resilient cylinder; 65-fixing the bracket; 66-a connecting joint; 7-a label backing plate.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Examples

Fig. 1 to 4 show an embodiment of an automatic labeling machine of the present invention, which is disposed beside a conveying assembly 2, and an object to be labeled is conveyed on the conveying assembly 2; the automatic labeling machine comprises a fixed frame 1, a conveying assembly 2 for conveying an object to be labeled, a label conveying assembly 3 for conveying label paper, a cutter assembly 4 for cutting the label paper, a glue spraying assembly 5 for spraying hot melt glue on the label paper, and a label holding assembly 6 for tightly sticking the label paper to the corner position of the object to be labeled, wherein the label conveying assembly 3, the cutter assembly 4, the glue spraying assembly 5 and the label holding assembly 6 are all arranged on the fixed frame 1, and the fixed frame 1 is arranged beside the conveying assembly 2; the label feeding assembly 3 comprises a label storage disc 31, a label feeding wheel set 32 and a label feeding plate 33, label paper is rolled and is rotationally arranged on the label storage disc 31, one end of the label paper passes through the label feeding wheel set 32 and is tightly attached to the label feeding plate 33, and the cutter assembly 4 is arranged between the label feeding wheel set 32 and the label feeding plate 33; the glue spraying component 5 is provided with a glue spraying head which is arranged right opposite to the label feeding plate 33, and the label feeding plate 33 can be propped against an object to be labeled; the label holding component 6 is arranged in front of the label feeding plate 33, and the label holding component 6 can be movably pressed on the surface of the label paper until the label paper is tightly attached to an object to be labeled.

In the embodiment, the object to be labeled enters the conveying assembly 2 from the previous process at intervals, the label paper is rotatably arranged on the label storage disc 31, and one end of the label paper is conveyed forwards to the label conveying plate 33 through the label conveying wheel set 32 and is tightly attached to the surface of the label conveying plate 33; the cutter assembly 4 acts to cut off the label paper to obtain label paper, and the label paper is tightly attached to the surface of the label feeding plate 33; the glue spraying head acts to uniformly spray the hot melt glue on the surface of the label paper, and when the front surface of the object to be labeled is abutted against the label feeding plate 33, the label paper is adhered to the front surface of the object to be labeled; subsequently, the object to be labeled and the label paper are conveyed forward together, and the label supporting assembly 6 presses and presses the label paper, so that the label paper is tightly adhered to the front surface and the side surface of the object to be labeled, namely the corner edge position of the object to be labeled. During implementation, the label is automatically labeled when the object to be labeled pushes the label feeding plate 33, and the label is automatically supported when the object to be labeled pushes the label supporting component 6, so that the working process is simple.

In one embodiment, the conveying assembly 2 is a linear conveying form of a conveying belt, the conveying belt is wound around the peripheries of the driving rotating wheel and the driven rotating wheel, the driving wheel 321 is driven by the driving motor to rotate, and the conveying belt conveys the object to be labeled forward. In the conveying process, the object to be labeled is firstly abutted with the label conveying plate 33, and the label paper is adhered to the surface of the object to be labeled; the object to be labeled is abutted with the label supporting component 6, so that the label paper is stably laid on the surface of the object to be labeled. The object to be labeled can be in the shape of a square body, a cylinder and the like, and the labeled position can be attached to a flat surface of the object to be labeled and can also be attached to the corner edge of the object to be labeled.

In one embodiment, the conveyor assembly is in the form of an endless conveyor, and the objects to be labelled are bottles. In the conveying process, the object to be labeled is firstly abutted with the label conveying plate 33, the bottle-shaped object rotates, and the label conveying plate 33 is kept in contact with the outer surface of the bottle-shaped object, so that automatic labeling can be realized; after the object to be labeled is abutted against the label holding component 6, the bottle-shaped object rotates, the label holding component 6 keeps in contact with the outer surface of the bottle-shaped object, and automatic label holding can be realized, so that the label paper is stably laid on the surface of the object to be labeled.

In one embodiment, the label feeding wheel set 32 includes a driving wheel 321, a driven wheel 322 and a plurality of direction-winding wheels 323, the driving wheel 321 and the driven wheel 322 are both mounted on the fixing frame 1, one end of the label paper passes through the driving wheel 321 and the driven wheel 322 after passing around the plurality of direction-winding wheels 323, the driving wheel 321 is connected with a driving motor, and the driving wheel 321 is closely attached to the periphery of the driven wheel 322.

The label scroll becomes a roll, and a roll of label paper rotationally arranges in and deposits mark dish 31, and this embodiment can set up a rotation axis on depositing mark dish 31, leaves rotatory hole in the center department of label scroll, penetrates the installation that can accomplish the label stock form in the rotatory hole with the rotation axis, and is easy and simple to handle, and does benefit to the change of label paper. The mark storage plate 31 of this embodiment is installed at the lateral part of the fixing frame 1, and the fixing frame 1 is of a frame structure, so that the setting is preferable for reducing the material used by the fixing frame 1 and reducing the occupied volume of the fixing frame 1, and the restriction regulation of the present invention is not considered.

The free end of a roll of label paper is walked around to round 323 until between action wheel 321 and the follow driving wheel 322, and is not regarded as to the quantity and the position of round 323 the utility model discloses a restrictive regulation can set up according to practical application needs during the application. The driving motor in this embodiment is a servo motor, the driving wheel 321 is tightly attached to the periphery of the driven wheel 322, and the servo motor drives the driving wheel 321 to rotate, so that the length of the label pulled out each time can be determined by controlling the rotation angle of the servo motor working each time, and the length of the label pulled out each time can be ensured to be accurate and consistent.

In one embodiment, the label feeding plate 33 has a plurality of air holes on a side surface thereof, the label feeding plate 33 is connected to a vacuum air tube 34 externally connected to a vacuum air source, and one end of the label paper can be attached to the side surface of the label feeding plate 33. The label feeding plate 33 is hollow and communicated with the vacuum air pipe 34 and the vacuum air source, when the vacuum air source works, the free end of the label paper can be tightly adsorbed on the surface of the label feeding plate 33, so that the label paper can be conveniently cut off when the cutter assembly 4 works, and the label paper can still be stably adsorbed on the surface of the label feeding plate 33 after the label paper is cut off. Adopt vacuum adsorption's fixed label paper free end is for simple structure, easily realize, and do not influence other working processes and the preferred of making, does not do the utility model discloses a restrictive regulation, other can be applicable to the fixed knot structure of label paper free end also the utility model discloses a fixed knot of vacuum adsorption's mode is established.

In one embodiment, the label feeding plate 33 is vertically connected with a fixing plate 331, the glue spraying head is arranged opposite to the label feeding plate 33, and the fixing plate 331 is connected with a first air cylinder 35, as shown in fig. 3. The first air cylinder 35 works to drive the label feeding plate 33 and the fixing plate 331 to extend forwards, so that the object to be labeled is conveyed forwards and is adhered to the front surface of the object to be labeled when the object to be labeled is conveyed to the front surface of the object to be labeled and is abutted against the label feeding plate 33; after the bonding is completed, the first cylinder 35 is contracted to bring the label feeding plate 33 and the fixing plate 331 to the original position. The glue spraying component 5 adopts the existing hot melt glue spraying component 5, in the extension process of the first air cylinder 35, the label on the label feeding plate 33 passes through the glue spraying head, the glue spraying head sprays glue, and then the hot melt glue can be uniformly sprayed on the surface of the label; in the process, the glue spraying head can be still.

In one embodiment, the target conveying plate 33 is hinged to the fixing plate 331, the target conveying plate 33 is connected to a first elastic cylinder 36, one end of the first elastic cylinder 36 is connected to the target conveying plate 33, and the other end of the first elastic cylinder 36 is fixedly connected to the fixing plate 331 through a mounting seat 37, as shown in fig. 3. Specifically, the target conveying plate 33 is hinged to the fixed plate 331 through a rotating pin shaft, and the target conveying plate 33 can swing around the rotating pin shaft; when the first cylinder 35 drives the fixing plate 331 to extend and contract towards the conveying assembly 2, the fixing plate 331, the label feeding plate 33 and the first elastic cylinder 36 move back and forth together; when the object to be labeled moves to just abut against the label paper on the label feeding plate 33, the label paper is adhered to the front surface of the object to be labeled; the object to be labeled continues to move forward, the label feeding plate 33 swings around the rotating pin shaft to compress the first elastic cylinder 36, and meanwhile, the label paper is adhered to the side face of the object to be labeled under the action of the label feeding plate 33. In order to improve the adaptability of the label feeding plate 33 to the transition of the corner edge position of the object to be labeled, the end of the label feeding plate 33 is provided with an inclined surface in the embodiment. In this embodiment, the arrangement of the first elastic cylinder 36 can buffer the object to be labeled against the label feeding plate 33, so as to avoid damage to the parts caused by repeated impact. The degree of contraction of the first elastic cylinder 36 may be used as a control signal for the operation of the first cylinder 35. It should be noted that, in this embodiment, an elastic member may also be directly connected between the target plate 33 and the fixed plate 331 to buffer and provide the input signal.

When the first elastic air cylinder 36 plays a role of buffering and providing an input signal at the same time, the first elastic air cylinder 36 is provided with a sensing switch, the sensing switch is connected to the input end of the controller, and the first air cylinder 35 is connected to the output end of the controller. When the first elastic air cylinder 36 retracts to the set value, the inductive switch of the first elastic air cylinder 36 is triggered, and therefore the first air cylinder 35 is triggered to retract to the initial position. The controller in this embodiment may be built in the first cylinder 35, or may be an electric cabinet of the labeling machine.

In one embodiment, the cutter assembly 4 includes a stationary knife 41, a movable knife 42 and a second cylinder 43, the stationary knife 41 and the second cylinder 43 are fixedly mounted on the fixed frame 1, the movable knife 42 is connected to the second cylinder 43, the movable knife 42 is hinged to the stationary knife 41, and one end of the label paper passes through between the stationary knife 41 and the movable knife 42, as shown in fig. 4. Specifically, the stationary blade 41 is vertically installed on the base and the end of the stationary blade 41 and the movable blade 42 are hinged through a rotating pin: when the second air cylinder 43 contracts, the movable knife 42 is driven to rotate by taking the rotating pin as the center, the fixed knife 41 and the movable knife 42 are separated by a certain angle, and the label paper passes through the fixed knife and the movable knife; when the second cylinder 43 extends out, the movable knife 42 is driven to rotate around the rotating pin, and the cutting edges of the fixed knife 41 and the movable knife 42 are matched to cut the label paper. In this embodiment, the stationary knife 41 is fixedly mounted on the fixed frame 1 through a knife fixing seat 44, and the knife fixing seat 44 is provided with a through hole 45 for allowing the label paper to pass through; one end of the second cylinder 43 is fixedly arranged on the fixed frame 1 through a cylinder fixing seat 46, and the other end of the second cylinder 43 is hinged with the movable blade 42. Before the label paper is cut off, the label paper passes through the through hole 45 of the cutter fixing seat 44, and the guiding and positioning effects on the advancing of the label paper are achieved; after the label paper is cut, because a certain distance is arranged between the label feeding plate 33 and the cutter assembly 4, the part of the cut label paper is adsorbed on the label feeding plate 33, and the part of the cut label paper extends out of the label feeding plate 33, in order to prevent the cut label paper from curling or deforming, the label backing plate 7 is arranged between the label feeding plate 33 and the cutter assembly 4, the part of the label paper is attached on the label backing plate 7, and the part of the label paper is adsorbed on the label feeding plate 33. In addition, in order to ensure the stability of the movement of the cutter assembly 4, the outer edge of the through hole 45 of the present embodiment is flush with the edge of the stationary knife 41, a guide block 47 is arranged beside the knife fixing seat 44, and the outer side of the bottom of the movable knife 42 is attached to the guide block 47, so that the movable knife 42 can move smoothly.

In one embodiment, the landmark assembly 6 comprises a landmark roller 61, a wheel shaft 62 and a swing arm 63, wherein the landmark roller 61 is rotatably mounted on the wheel shaft 62, the wheel shaft 62 is connected to one end of the swing arm 63, and the other end of the swing arm 63 is hinged with the fixed frame 1; the swing arm 63 is hinged with a second elastic cylinder 64, and the second elastic cylinder 64 is installed on the fixed frame 1, as shown in fig. 3. Specifically, a fixed support 65 is mounted on the fixed frame 1, the other end of the swing arm 63 is hinged to the fixed support 65 through a bearing, and the output end of the second elastic cylinder 64 is hinged to the swing arm 63 through a bearing. In order to obtain a compact arrangement structure, the swing arm 63 and the second elastic cylinder 64 of the present embodiment are both disposed perpendicular to the conveying direction, and a joint 66 is connected between the swing arm 63 and the second elastic cylinder 64 to ensure the effect of the second elastic cylinder 64 on the swing arm 63. The utility model discloses can set for cutter unit spare 4 and send the interval between the initial condition of mark board 33 and send the size of mark board 33 with control absorption in the length of sending the label paper on the mark board 33 and stretch out the length of sending mark board 33 label paper, send the distance control adhesion that mark board 33 stretches out to wait to paste the length of mark object openly and waiting to paste the label paper of mark object side through control.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. An automatic labeling machine is arranged beside a conveying assembly (2), and an object to be labeled is conveyed on the conveying assembly (2); the automatic labeling machine is characterized by comprising a fixing frame (1), a label feeding assembly (3) for conveying label paper, a cutter assembly (4) for cutting the label paper, a glue spraying assembly (5) for spraying hot melt glue on the label paper, and a label holding assembly (6) for tightly sticking the label paper to the surface of an object to be labeled, wherein the label feeding assembly (3), the cutter assembly (4), the glue spraying assembly (5) and the label holding assembly (6) are all arranged on the fixing frame (1), and the fixing frame (1) is arranged beside the conveying assembly (2); the label feeding assembly (3) comprises a label storage disc (31), a label feeding wheel set (32) and a label feeding plate (33), label paper is rotatably arranged on the label storage disc (31), one end of the label paper passes through the label feeding wheel set (32) and clings to the label feeding plate (33), and the cutter assembly (4) is arranged between the label feeding wheel set (32) and the label feeding plate (33); the glue spraying assembly (5) is provided with a glue spraying head which is arranged right opposite to the label conveying plate (33), and the label conveying plate (33) can be abutted to an object to be labeled; the label holding component (6) is arranged in front of the label conveying plate (33), and the label holding component (6) can be movably pressed on the surface of the label paper until the label paper is tightly attached to an object to be labeled.

2. The automatic labeling machine according to claim 1, wherein the label feeding wheel set (32) comprises a driving wheel (321), a driven wheel (322) and a plurality of direction-winding wheels (323), the driving wheel (321) and the driven wheel (322) are both mounted on the fixing frame (1), one end of the label paper passes through the driving wheel (321) and the driven wheel (322) after passing around the plurality of direction-winding wheels (323), the driving wheel (321) is connected with a driving motor, and the driving wheel (321) is closely attached to the periphery of the driven wheel (322).

3. The automatic labeling machine according to claim 2, wherein a plurality of air holes are formed in the side surface of the label feeding plate (33), the label feeding plate (33) is communicated with a vacuum air pipe (34) externally connected to a vacuum air source, and one end of the label paper can be adsorbed on the side surface of the label feeding plate (33).

4. The automatic labelling machine according to claim 2, characterised in that a fixing plate (331) is vertically connected to said label feed plate (33), said fixing plate (331) being connected to a first air cylinder (35).

5. The automatic labeling machine according to claim 4, characterized in that the label feeding plate (33) is hinged with the fixing plate (331), the label feeding plate (33) is connected with a first elastic air cylinder (36), one end of the first elastic air cylinder (36) is connected with the label feeding plate (33), and the other end of the first elastic air cylinder (36) is fixedly connected with the fixing plate (331) through a mounting seat (37).

6. The automatic labelling machine according to claim 5, characterised in that said first elastic cylinder (36) is provided with a sensitive switch connected to an input of a controller, said first cylinder (35) being connected to an output of the controller.

7. The automatic labeling machine according to any one of claims 1 to 6, wherein the cutter assembly (4) comprises a stationary cutter (41), a movable cutter (42) and a second air cylinder (43), the stationary cutter (41) and the second air cylinder (43) are fixedly mounted on the fixed frame (1), the movable cutter (42) is connected to the second air cylinder (43), the movable cutter (42) is hinged to the stationary cutter (41), and one end of the label paper penetrates through the space between the stationary cutter (41) and the movable cutter (42).

8. The automatic labelling machine according to claim 7, characterised in that the static knife (41) is fixed to the fixed frame (1) by a knife holder (44), the knife holder (44) being provided with a through hole (45) for the label paper to pass through; one end of the second air cylinder (43) is fixedly arranged on the fixed frame (1) through an air cylinder fixed seat (46), and the other end of the second air cylinder (43) is hinged with the movable knife (42).

9. The automatic labeling machine according to claim 8, characterized in that the outer edge of the through hole (45) is flush with the edge of the stationary knife (41), the knife holder (44) is provided with a guide block (47) beside, and the outer side of the bottom of the movable knife (42) is attached to the guide block (47).

10. The automatic labeling machine according to claim 1, characterized in that said label-holding assembly (6) comprises a label-holding roller (61), a wheel axle (62) and a swing arm (63), said label-holding roller (61) is rotatably mounted on the wheel axle (62), said wheel axle (62) is connected to one end of the swing arm (63), and the other end of the swing arm (63) is hinged with the fixed frame (1); the swing arm (63) is hinged with a second elastic cylinder (64), and the second elastic cylinder (64) is installed on the fixed frame (1).

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