CN220181310U - Automatic labeller - Google Patents

Abstract

The utility model belongs to the technical field of labeling machines, and provides an automatic labeling machine. The utility model comprises a material conveying mechanism for inputting and/or outputting materials to a preset labeling station; the guiding and positioning mechanism is arranged on the material conveying mechanism and comprises a first guiding and positioning assembly, a second guiding and positioning assembly and a first limiting assembly; the label receiving and releasing mechanism is arranged at one side of the transmission direction of the material conveying mechanism and comprises a first label receiving and releasing mechanism and a second label receiving and releasing mechanism, and the first label receiving and releasing mechanism and the second label receiving and releasing mechanism can both provide labels; the labeling mechanism is arranged above the material conveying mechanism and comprises an adsorption head, wherein the adsorption head is used for adsorbing the labels and attaching the labels to preset labeling positions of the materials. The utility model realizes the accurate positioning of the materials on the material conveying mechanism and ensures the consistency of the subsequent labeling.

Description

Automatic labeller

Technical Field

The utility model relates to the technical field of labeling machines, in particular to an automatic labeling machine.

Background

The labeling machine is a device for sticking labels on products or product packages, and can finish various operations such as plane sticking, single-sided or multi-sided sticking of packages, cylindrical sticking, partial or full sticking, sinking, corner sticking and the like. The labeller has wide application scope, has unique feed divider, can be used alone, also can use with the production line cooperation, replaces traditional artificial attached mode.

With the development of industry and the increasing proliferation of market environments, the labeling requirements for products or product packages are increasing. Therefore, when the product or the product package is labeled, the product or the product package is required to be positioned, so that the label can be adhered to the same position of the product or the product package each time, and the consistency of the product or the product package is ensured.

In view of the foregoing, there is a need for an automatic labeling machine that can automatically calibrate each time a label is applied.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide an automatic labeling machine for solving the problem of accurate positioning of materials in the prior art.

To achieve the above and other related objects, the present utility model provides an automatic labeling machine, which specifically includes a material conveying mechanism, wherein a material is placed on the material conveying mechanism, so as to input and/or output the material into and/or from a preset labeling station; the guide positioning mechanism is arranged on the material conveying mechanism and comprises a first guide positioning assembly, a second guide positioning assembly and a first limiting assembly, wherein the first guide positioning assembly and the second guide positioning assembly are respectively arranged at two sides of the conveying direction of the material conveying mechanism and can be far away or close to each other, and the first limiting assembly is arranged on the conveying direction of the material conveying mechanism so as to prevent the material from continuously advancing; the label receiving and releasing mechanism is arranged at one side of the transmission direction of the material conveying mechanism and comprises a first label receiving and releasing mechanism and a second label receiving and releasing mechanism, and the first label receiving and releasing mechanism and the second label receiving and releasing mechanism can both provide labels; the labeling mechanism is arranged above the material conveying mechanism and comprises an adsorption head, wherein the adsorption head is used for adsorbing the labels and attaching the labels to preset labeling positions of the materials.

Optionally, the guiding and positioning mechanism further includes a first guiding portion, and the first guiding and positioning component and the second guiding and positioning component are both connected with the first guiding portion and far away from or near along the first guiding portion.

Optionally, the first guiding and positioning assembly includes a first driving piece, with a first lead screw that the drive end of first driving piece is connected, with a first mounting panel that the first lead screw is connected, through a first support piece with a first baffle that the first mounting panel is connected, and with a first sensor that the first support piece is connected, a first lead screw with first guide parallel arrangement, just a first mounting panel simultaneously with a first lead screw with a first guide is connected, a first driving piece drive a lead screw is rotatory in order to drive a mounting panel removes.

Optionally, the second guiding and positioning assembly includes first executive component, with the second lead screw that first executive component is connected, with the second mounting panel that the second lead screw is connected, through second support piece with the second baffle that the second mounting panel is connected, and with the second sensor that the second support piece is connected, the second lead screw with first guide parallel arrangement, just the second mounting panel simultaneously with the second lead screw with first guide is connected, first executive component drives the second lead screw is rotatory in order to drive the second mounting panel removes.

Optionally, the first baffle and the second baffle are both provided with second guiding parts towards the incoming direction of the material conveying mechanism.

Optionally, the first spacing subassembly includes second driving piece, with the third baffle that the drive end of second driving piece is connected, second driving piece drive third baffle round trip movement.

Optionally, the labeling mechanism further includes a moving portion and a third sensor, more than one adsorption head is disposed on the moving portion, and each adsorption head is disposed with the third sensor.

Optionally, the material conveying mechanism comprises a roller conveying line and a fourth sensor, and the fourth sensor is arranged on two sides of the roller conveying line along the conveying direction.

Optionally, the first label receiving and releasing mechanism is arranged below the second label receiving and releasing mechanism, and the first label receiving and releasing mechanism and the second label receiving and releasing mechanism are both provided with more than one label receiving and releasing assembly.

Optionally, the automatic labeling machine further comprises a frame, an operation panel and an alarm mechanism, wherein the operation panel and the alarm mechanism are arranged on the frame, and the material conveying mechanism, the guiding and positioning mechanism, the label retracting mechanism and the labeling mechanism are all arranged on the frame.

As described above, the automatic labeling machine has the following beneficial effects:

the first guiding and positioning assembly, the second guiding and positioning assembly and the first limiting assembly are arranged on the material conveying mechanism, and the first guiding and positioning assembly and the second guiding and positioning assembly are respectively arranged at two sides of the conveying direction of the material conveying mechanism and can be far away from or close to each other, so that the center line of the material is consistent with the center line of the conveying direction of the material conveying mechanism; the first limiting component is arranged in the transmission direction of the material conveying mechanism, so that the material is prevented from continuously advancing on the material conveying mechanism, and the consistency of the material in the transmission direction of the material conveying mechanism is ensured; the accurate positioning of the materials on the material conveying mechanism is realized, and the consistency of the subsequent labeling is ensured.

Drawings

Fig. 1 shows a schematic structural diagram of an automatic labeling machine according to an embodiment of the present utility model;

FIG. 2 is a schematic view showing a material conveying mechanism according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a first guiding and positioning assembly and a second guiding and positioning assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic structural view of a first limiting component according to an embodiment of the present utility model;

FIG. 5 is a schematic structural view of a labeling mechanism according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a tag folding and unfolding mechanism according to an embodiment of the present utility model.

Description of the part reference numerals

1-a material conveying mechanism; 11-roller conveyor line; 12-fourth sensor; 13-a protective cover;

2-a guiding and positioning mechanism; 21-a first guide; 22-a first limiting assembly; 221-a second driver; 222-a third baffle; 223-a third mounting plate; 23-a first guiding and positioning assembly; 231-a first driver; 232-a first screw rod; 233-a first mounting plate; 234-a first support; 235-a first baffle; 236-a first sensor; 237-a gear belt drive assembly; 24-a second guiding and positioning assembly; 241-first actuator; 242-second screw rod; 243-a second mounting plate; 244-a second support; 245-a second baffle; 246-second sensor; 247-second guide;

3-a label receiving and releasing mechanism; 31-a first tag retraction mechanism; 311-a first label adsorption platform; 32-a second tag retraction mechanism; 321-a second label adsorption platform;

4-labeling mechanism; 41-an adsorption head; 42-a moving part; 43-a third sensor;

5-a frame;

6-an operation panel;

7-alarm mechanism.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

It should be noted that the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of each component in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated. The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the structures, proportions, sizes, etc. disclosed in the specification, so that those skilled in the art may easily understand and read the structures, proportions, etc. without limiting the scope of the utility model, which is otherwise, used by the claims, and which may be modified or otherwise, used by the claims, without departing from the spirit and scope of the utility model.

As shown in fig. 1, some embodiments of the present utility model provide an automatic labeling machine including a material conveying mechanism 1, a guiding and positioning mechanism 2, a label retracting mechanism 3, and a labeling mechanism 4. The material is placed on the material conveying mechanism 1, and a preset labeling station is input and/or output through the material conveying mechanism 1. When the material enters the preset labeling station, the first limiting component 22 blocks the material at the preset labeling station. At the same time, the first guiding and positioning assembly 23 and the second guiding and positioning assembly 24 are close to each other, so that the center line of the material is consistent with the center line of the conveying direction of the material conveying mechanism 1. So far, the guiding and positioning mechanism 2 finishes the accurate positioning of the materials. After the positioning of the material is completed, the adsorption head 41 adsorbs the label and attaches the label to a preset labeling position of the material, so that the consistency of labeling of the material is ensured. After the labeling of the material is completed, the first limiting component 22 contacts the blocking of the material, and meanwhile, the first guiding and positioning component 23 and the second guiding and positioning component 24 are far away, so that the material leaves the preset labeling station along with the material conveying mechanism 1.

In some embodiments, the material handling mechanism 1, the guiding and positioning mechanism 2, the label holding and releasing mechanism 3 and the labelling mechanism 4 are all mounted on a frame 5. And an operation panel 6 is arranged on one side of the frame 5 away from the material conveying mechanism 1 and is used for controlling the automatic labeling machine, such as startup, shutdown, debugging and the like. An alarm mechanism 7 is arranged at the top of the frame 5, and when the automatic labeling machine of the utility model has abnormal conditions, an alarm is given to prompt a field operator to perform abnormal treatment on the equipment of the utility model.

Specifically, the frame 5 may be formed by splicing square tubes, sectional materials and metal plates.

For example, the alarm mechanism 7 may be configured as a three-color light, which is displayed as red flashing when an abnormality occurs in the automatic labeling machine of the present utility model, and sounds an alarm to prompt a field operator to perform abnormality treatment on the apparatus of the present utility model.

Fig. 2 is a schematic block diagram of a material handling mechanism according to some embodiments of the utility model. As can be seen in fig. 2, in some embodiments the material conveying mechanism 1 comprises a roller conveyor line 11, which roller conveyor line 11 is provided with fourth sensors 12 on both sides in its conveying direction. The material is placed on the roller conveyor line 11 for transport, and the fourth sensor 12 is used for detecting the current position of the material so that other mechanisms react in time.

In particular, the fourth sensor 12 may be provided with a plurality, such as 2, 3, 4, etc., in order to precisely detect the position of the material on the roller conveyor line 11. In view of cost saving, the fourth sensor 12 may be provided in 2, one of which is provided in the middle of the preset labeling station, to detect whether the material enters the preset labeling station, and if the fourth sensor 12 therein detects the material, then the first guide positioning assembly 23 and the second guide positioning assembly 24 are separated or moved close. The other is arranged at the starting end of the preset labeling station, whether the material is about to enter the preset labeling station is detected, and if the fourth sensor 12 detects the material, the first limiting component 22 blocks the material from leaving the preset labeling station along with the roller conveying line 11.

By way of example, the fourth sensor 12 may be provided as a correlation-type photoelectric sensor or the like.

In some embodiments, the material handling mechanism 1 further comprises a protective cover 13 on the side facing away from the label holding mechanism 3 in the direction of its material handling. The protective cover 13 is composed of a section bar and transparent acrylic, and can enable on-site operators to see the equipment through the transparent acrylic while protecting the on-site operators.

Fig. 3 is a schematic block diagram of a first guide positioning assembly and a second guide positioning assembly shown in accordance with some embodiments of the utility model. As can be seen in fig. 3, in some embodiments, the guiding and positioning mechanism 2 further includes a first guiding portion 21, and the first guiding and positioning assembly 23 and the second guiding and positioning assembly 24 are connected to the first guiding portion 21, so that the first guiding and positioning assembly 23 and the second guiding and positioning assembly 24 are far away from or near along the first guiding portion 21, so that the relative movement of the two positions the material better.

For example, the first guide part 21 may be provided as a first guide rod and a second guide rod disposed in parallel with each other, and in order to smooth the operation of the first guide positioning assembly 23 and the second guide positioning assembly 24, the first guide positioning assembly 23 and the second guide positioning assembly 24 are simultaneously connected to the first guide rod and the second guide rod, and move in the axial direction of the first guide rod and the second guide rod to move apart from or close to each other.

In other embodiments, the first guide portion 21 may be configured as a first guide rail and a second guide rail disposed parallel to each other, and in order to smooth the operation of the first guide positioning assembly 23 and the second guide positioning assembly 24, the first guide positioning assembly 23 and the second guide positioning assembly 24 are simultaneously connected to the first guide rail and the second guide rail, and move along the axial directions of the first guide rail and the second guide rail to move away from or approach to each other.

In some embodiments, the first guide positioning assembly 23 includes a first driving member 231, a first lead screw 232 connected to a driving end of the first driving member 231, a first mounting plate 233 connected to the first lead screw 232, a first baffle 235 connected to the first mounting plate 233 through a first support 234, and a first sensor 236 connected to the first support 234. The first screw 232 is disposed parallel to the first guide portion 21, and the first mounting plate 233 is connected to both the first screw 232 and the first guide portion 21. The first driving member 231 drives the first screw rod 232 to rotate so as to drive the first mounting plate 233 and the second guiding and positioning assembly 24 to be far away from or close to each other, i.e. the first baffle 235 is far away from or close to the material. When the first sensor 236 detects the material, the first driving member 231 stops driving the first baffle 235 to continue to advance, so as to avoid damage to the material.

By way of example, the first sensor 236 may be provided as a proximity switch or the like.

Specifically, the first driving member 231 is connected with the first screw rod 232 through a gear belt transmission assembly 237, so as to adjust the rotating speed of the first screw rod 232, and then adjust the moving speed of the first baffle 235 away from or approaching to the material.

For example, the first driving member 231 may be provided as a stepping motor, a servo motor, or the like.

In some embodiments, the second guiding and positioning assembly 24 includes a first actuator 241, a second screw 242 coupled to the first actuator 241, a second guiding rod disposed parallel to the second screw 242, a second mounting plate 243 coupled to both the second screw 242 and the second guiding rod, a second baffle 245 coupled to the second mounting plate 243 through a second support 244, and a second sensor 246 coupled to the second support 244. The second screw 242 is disposed parallel to the first guide portion 21, and the second mounting plate 243 is connected to both the second screw 242 and the first guide portion 21. The first executing piece 241 drives the second screw rod 242 to rotate so as to drive the second mounting plate 243 to move, i.e. the second baffle 245 is far away from or near to the material. When the second sensor 246 detects the material, the first actuator 241 stops driving the first baffle 235 to move forward, so as to avoid damage to the material.

It should be noted that, before the materials of each specification are put into production, the automatic labeling machine of the utility model needs to be debugged for the materials of each specification. During the commissioning process, the position of the second guiding and positioning assembly 24 is determined, and after the material is put into production, the position of the second guiding and positioning assembly 24 is kept stationary under non-special conditions.

Illustratively, the first actuator 241 may be configured as a hand wheel or the like, which is manually rocked to rotate the second screw 242, thereby improving the controllability of the present utility model.

By way of example, the second sensor 246 may be provided as a proximity switch or the like.

In some embodiments, both the first baffle 235 and the second baffle 245 are provided with a second guide 247 towards the incoming direction of the material conveying mechanism 1 to guide the material into between the first guiding and positioning assembly 23 and the second guiding and positioning assembly 24.

Specifically, the first baffle 235 and the second baffle 245 may be made of sheet metal, and the second guide portion 247 is configured to bend outwards along a direction away from the material, so as to guide the material into between the first guide positioning assembly 23 and the second guide positioning assembly 24.

It should be noted that, the connection portions of the first supporting member 234 and the first baffle 235, and the connection portions of the second supporting member 244 and the second baffle 245 are respectively provided with bar-shaped holes, so as to adjust the dimensions of the first baffle 235 and the second baffle 245 in the height direction relative to the first supporting member 234 and the second supporting member 244, respectively.

Fig. 4 is a schematic block diagram of a first spacing assembly according to some embodiments of the present utility model. As can be seen in fig. 4, in some embodiments, the first spacing assembly 22 includes a second driver 221, a third baffle 222 coupled to the driving end of the second driver 221. When the material enters the preset labeling station, the second driving piece 221 drives the third baffle plate 222 to move upwards so as to prevent the material from moving continuously along with the material conveying mechanism 1, and the material is fixed at the preset labeling station. When the labeling of the material is completed, the second driving piece 221 drives the third baffle plate 222 to move downwards, and the material continues to move along with the material conveying mechanism 1 to output a preset labeling station.

For example, the second driving member 221 may be provided as a linear cylinder or the like.

Specifically, the first limiting assembly 22 further includes a third mounting plate 223 connected to the second driving member 221, and is connected to the frame 5 through the third mounting plate 223.

Fig. 5 is a schematic block diagram of a labeling mechanism according to some embodiments of the utility model. As can be seen in fig. 5, in some embodiments, the labelling mechanism 4 further comprises a moving part 42 and a third sensor 43, one end of the moving part 42 being connected to the frame 5 and the other end being connected to the suction head 41. The moving part 42 drives the adsorption head 41 to move so as to adsorb labels and attach labels to materials.

Specifically, the adsorption heads 41 are provided with more than one, such as 1, 2, 3, 4, etc., and are selected according to the actual conditions. And all install third sensor 43 on every absorption head 41, detect the distance between absorption head 41 and label or the material through third sensor 43 to absorption head 41 is when adsorbing the label or carry out the attached label to the material, avoids causing the damage to label or material, leads to the material to become the defective products.

For example, the moving part 42 may be configured as a flexible mechanical arm, and in the debugging stage, the moving amounts of the flexible mechanical arm in the X axis, the Y axis and the Z axis are determined, so as to ensure that in the normal operation stage, the flexible mechanical arm drives the adsorption head 41 to adsorb and attach the label at each time, so as to achieve the purpose of labeling consistency of materials.

By way of example, the third sensor 43 may be provided as a proximity switch or the like.

Fig. 6 is a schematic block diagram of a tag receiving and releasing mechanism according to some embodiments of the present utility model. As shown in fig. 6, in some embodiments, the first label receiving and releasing mechanism 31 is disposed below the second label receiving and releasing mechanism 32, so that at least two stations for adsorbing labels by the labeling mechanism 4 are provided, and at least two labels may be provided in specification, which improves the versatility of the present utility model.

In some embodiments, the first tag receiving and releasing mechanism 31 is provided with one or more tag receiving and releasing components, and is named as a first tag receiving and releasing component for distinguishing from the tag receiving and releasing components of the second tag receiving and releasing mechanism 32. The number of the first label receiving and releasing components can be set to be 1, 2, 3, 4 and the like, and the first label receiving and releasing components can be selected according to actual working conditions.

Specifically, each first label winding and unwinding assembly is provided with a first label unwinding roller, a first tensioning roller set, a first label base paper winding roller and a first label adsorption platform 311. The rolled label is disposed on a first label unwind roller. The coiled label is unfolded and wound on the first tensioning roller group to form a label strip unfolding section, so that the label strip unfolding section is in a tight state, and the label strip unfolding section is prevented from being folded. And the label tape development section is laid on the first label suction stage 311 so that the suction head 41 sucks the label. The first label backing paper winding roller is used for collecting label backing paper.

It should be noted that, the first label retrieving and releasing mechanism 31 may print the label to satisfy different requirements for the content on the label. The first tag receiving and releasing mechanism 31 further includes a display screen to display the content of the current tag printing or the number of prints, etc.

In some embodiments, the second tag receiving and releasing mechanism 32 is provided with one or more tag receiving and releasing components, and is named as a second tag receiving and releasing component for distinguishing from the tag receiving and releasing components of the first tag receiving and releasing mechanism 31. The number of the second label receiving and releasing assemblies can be set to be 1, 2, 3, 4 and the like, and the second label receiving and releasing assemblies can be selected according to actual working conditions.

Specifically, each second label winding and unwinding assembly is provided with a second label winding and unwinding roller, a second tensioning roller set, a second label base paper winding roller and a second label adsorption platform 321. The roll label sets up on the second label unreeling roller, and roll label is unwound and is established on second tensioning roller group and form label area expansion section, and label area expansion section lays at second label absorption platform 321 to adsorb the label by absorption head 41, and second label backing paper wind-up roll is used for collecting the label backing paper.

It should be noted that, in the operation process of the automatic labeling machine of the present utility model, the first label receiving and releasing mechanism 31 and the second label receiving and releasing mechanism 32 may be put into production at the same time, or one of them may be put into production separately, and may be selected according to the actual working conditions.

In summary, according to the automatic labeling machine provided by the utility model, the first guiding and positioning assembly, the second guiding and positioning assembly and the first limiting assembly are arranged on the material conveying mechanism, and the first guiding and positioning assembly and the second guiding and positioning assembly are respectively arranged at two sides of the conveying direction of the material conveying mechanism and can be far away from or close to each other, so that the center line of a material is consistent with the center line of the conveying direction of the material conveying mechanism; the first limiting component is arranged in the transmission direction of the material conveying mechanism, so that the material is prevented from continuously advancing on the material conveying mechanism, and the consistency of the material in the transmission direction of the material conveying mechanism is ensured; the accurate positioning of the materials on the material conveying mechanism is realized, and the consistency of the subsequent labeling is ensured.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model, and it is intended that the appended claims be interpreted as covering all equivalent modifications and variations as fall within the true spirit and scope of the utility model.

Claims (10)

1. An automatic labeller, characterized in that: comprising

The material conveying mechanism is provided with a material so as to input and/or output the material into a preset labeling station;

the guide positioning mechanism is arranged on the material conveying mechanism and comprises a first guide positioning assembly, a second guide positioning assembly and a first limiting assembly, wherein the first guide positioning assembly and the second guide positioning assembly are respectively arranged at two sides of the conveying direction of the material conveying mechanism and can be far away or close to each other, and the first limiting assembly is arranged on the conveying direction of the material conveying mechanism so as to prevent the material from continuously advancing;

the label receiving and releasing mechanism is arranged at one side of the transmission direction of the material conveying mechanism and comprises a first label receiving and releasing mechanism and a second label receiving and releasing mechanism, and the first label receiving and releasing mechanism and the second label receiving and releasing mechanism can both provide labels;

the labeling mechanism is arranged above the material conveying mechanism and comprises an adsorption head, wherein the adsorption head is used for adsorbing the labels and attaching the labels to preset labeling positions of the materials.

2. The automatic labeling machine of claim 1, wherein: the guiding and positioning mechanism further comprises a first guiding part, and the first guiding and positioning assembly and the second guiding and positioning assembly are connected with the first guiding part and far away from or close to each other along the first guiding part.

3. The automatic labeling machine of claim 2, wherein: the first guide positioning assembly comprises a first driving piece, a first screw rod connected with the driving end of the first driving piece, a first mounting plate connected with the first screw rod, a first baffle connected with the first mounting plate through a first supporting piece, and a first sensor connected with the first supporting piece, wherein the first screw rod is arranged in parallel with the first guide part, the first mounting plate is simultaneously connected with the first screw rod and the first guide part, and the first driving piece drives the first screw rod to rotate so as to drive the first mounting plate to move.

4. An automatic labelling machine according to claim 3, wherein: the second guiding and positioning assembly comprises a first executing piece, a second screw rod connected with the first executing piece, a second mounting plate connected with the second screw rod, a second baffle connected with the second mounting plate through a second supporting piece and a second sensor connected with the second supporting piece, the second screw rod is arranged in parallel with the first guiding part, the second mounting plate is connected with the second screw rod and the first guiding part at the same time, and the first executing piece drives the second screw rod to rotate so as to drive the second mounting plate to move.

5. The automatic labeling machine of claim 4, wherein: the first baffle and the second baffle are both provided with second guide parts towards the incoming direction of the material conveying mechanism.

6. The automatic labeling machine of claim 1, wherein: the first limiting assembly comprises a second driving piece and a third baffle connected with the driving end of the second driving piece, and the second driving piece drives the third baffle to move back and forth.

7. The automatic labeling machine of claim 1, wherein: the labeling mechanism further comprises a moving part and a third sensor, more than one adsorption head is arranged on the moving part, and each adsorption head is provided with the third sensor.

8. The automatic labeling machine of claim 1, wherein: the material conveying mechanism comprises a roller conveying line and a fourth sensor, and the fourth sensor is arranged on two sides of the roller conveying line along the conveying direction.

9. The automatic labeling machine of claim 1, wherein: the first label receiving and releasing mechanism is arranged below the second label receiving and releasing mechanism, and the first label receiving and releasing mechanism and the second label receiving and releasing mechanism are both provided with more than one label receiving and releasing assembly.

10. The automatic labeling machine of claim 1, wherein: the automatic labeling machine further comprises a frame, an operation panel and an alarm mechanism, wherein the operation panel and the alarm mechanism are arranged on the frame, and the material conveying mechanism, the guiding and positioning mechanism, the label retracting and releasing mechanism and the labeling mechanism are all arranged on the frame.